Solid Body Light Emitter (e.g., Led) Patents (Class 345/82)
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Patent number: 12388053Abstract: The present disclosure provides a display device, including first to fourth LEDs, a line structure, and first to fourth lines. The second LED is arranged in a first direction corresponding to the first LED. The fourth LED is arranged in a second direction corresponding to the third LED. The line structure includes first to third line segments. The first line is coupled to the first LED. The second line is coupled to the second LED. The third line is coupled to the third LED. The fourth line is coupled to the fourth LED. A portion of the first line and a portion of the second line are in parallel with the first line segment, a portion of the third line is in parallel with the second line segment, and a portion of the fourth line is in parallel with the third line segment.Type: GrantFiled: July 12, 2022Date of Patent: August 12, 2025Assignee: AUO CORPORATIONInventors: Jeng-Lin Cai, Chung-Hsien Hsu, Ming-Hung Tu, Ya-Fang Chen, Chih-Hsiang Yang
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Patent number: 12382562Abstract: An LED control device includes: an LED driver controlling a current flow for driving the LED matrix by supplying an applied voltage VLED to digit lines connecting a plurality of LED anode terminals to a plurality of digit pins and supplying a ground voltage VSS to segment lines connecting a plurality of LED cathode terminals to a plurality of segment pins within the LED matrix; a key scanner detecting a signal input to the key matrix by performing key scanning on the key matrix; a first abnormal light emission remover supplying the ground voltage VSS to the digit lines through the digit pins; a second abnormal light emission remover supplying the applied voltage VLED to the segment lines through the segment pins; and a control unit controlling operation states of the LED driver, the key scanner, the first abnormal light emission remover, and the second abnormal light emission remover.Type: GrantFiled: October 20, 2023Date of Patent: August 5, 2025Assignee: FINDEACHIP CO. LTD.Inventor: Dongyeol Ryu
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Patent number: 12380848Abstract: A pixel circuit includes a capacitor, a light emitting control transistor, a driving transistor, and multiple light emitting transistors. The light emitting control transistor includes a gate electrode coupled to a light emitting control signal, a source electrode coupled to a supply voltage, and a drain electrode. The driving transistor includes a gate electrode coupled to the capacitor, a source electrode coupled to the drain electrode of the light emitting control transistor, and a drain electrode. Each light emitting transistor includes a gate electrode coupled to a respective light emitting signal, a source electrode coupled to the drain electrode of the driving transistor, and a drain electrode coupled to a respective light emitting element. Each light emitting signal turns on the respective light emitting transistor during a respective light emitting period within a frame period to cause the respective light emitting element to emit a light.Type: GrantFiled: November 8, 2023Date of Patent: August 5, 2025Assignee: VIEWTRIX TECHNOLOGY CO., LTD.Inventors: Jing Gu, Po-Yi Shih
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Patent number: 12374291Abstract: Embodiments of the disclosure relate to a display device and a method for driving the same and, specifically, may stably supply current to the driving voltage line by controlling the output current by the first gain when the difference in magnitude between the sensing current and the target current is larger than the reference data and controlling the output current by the second gain when the difference in magnitude between the sensing current and the target current is the reference data or less.Type: GrantFiled: February 22, 2024Date of Patent: July 29, 2025Assignee: LG Display Co., Ltd.Inventors: YongKyu Park, JaeKook Ahn
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Patent number: 12367844Abstract: Provides are a drive method of a display panel and a display apparatus. The drive method of the display panel includes: obtaining a current temperature of the display panel; obtaining a current overdrive lookup table corresponding to the current temperature according to the current temperature and initial overdrive lookup tables corresponding to prestored set temperatures, wherein the initial overdrive lookup tables include a plurality of different first gray-scale values, a plurality of different second gray-scale values and initial gray-scale values corresponding to any first gray-scale value and any second gray-scale value, and the current overdrive lookup table includes a plurality of different first gray-scale values, a plurality of different second gray-scale values and current gray-scale values corresponding to any first gray-scale value and any second gray-scale value; and driving sub-pixels in the display panel to charge corresponding data voltages according to the current overdrive lookup table.Type: GrantFiled: April 15, 2022Date of Patent: July 22, 2025Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Pengfei Hu, Jianhua Huang, Dongchuan Chen, Yingying Qu, Shulin Yao, Yue Yang, Wenpeng Ma, Zheng Zhang
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Patent number: 12364131Abstract: A display device includes a plurality of subpixel emissive areas of a first color, a second color, and a third color arranged in an array having a plurality of rows and columns. Rows of the array include subpixel emissive areas arranged in a repeating pattern of a first color subpixel emissive area, a second color subpixel emissive area, a third color subpixel emissive area, and a second color subpixel emissive area. Alternating columns of the array include subpixel emissive areas: (a) arranged in a repeating pattern of a subpixel emissive area of the first color and a subpixel emissive areas of the third color, and (b) including only subpixel emissive areas of the second color. The display device further includes a plurality of scan lines, a plurality of column lines, and a plurality of electronic subpixel circuits arranged in the array.Type: GrantFiled: February 7, 2020Date of Patent: July 15, 2025Assignee: Google LLCInventors: Sangmoo Choi, Sun-il Chang
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Patent number: 12361881Abstract: A display panel comprises a display portion comprising sub-pixel rows and a gate driver circuit comprising gate driver units in cascade. Each sub-pixel row comprises sub-pixel units, and a pixel circuit comprising a switching transistor, a first reset transistor and a second reset transistor is provided in each sub-pixel unit. Each gate driver unit comprises first and second signal output terminals. Agate of the switching transistor in a b-th row is connected to the second signal output terminal of the gate driver unit at an a-th stage, a gate of the first reset transistor in the b-th row is connected to the first signal output terminal of the gate driver unit at a b-th stage, and a gate of the second reset transistor in the b-th row is connected to the first signal output terminal of the gate driver unit at a c-th stage.Type: GrantFiled: January 31, 2024Date of Patent: July 15, 2025Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Xiang Zhou, Weiyao Wei, Baixiang Han, Guangyao Li
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Patent number: 12354547Abstract: A pixel circuit includes a driving transistor, a first capacitor including a first electrode and a second electrode, a write transistor that writes a data voltage to a control electrode of the driving transistor in response to a write gate signal, a first emission transistor that provides a first power supply voltage to the second electrode of the first capacitor in response to a first emission signal, a first initialization transistor that provides a first initialization voltage to the control electrode of the driving transistor in response to an initialization gate signal, a second initialization transistor that provides a second initialization voltage to a second electrode of the driving transistor in response to a bias gate signal, and a light emitting element that emits light.Type: GrantFiled: February 7, 2024Date of Patent: July 8, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jiyoung Lee, Hyunyoung Choi, Woogun Kang, Wonhyouk Jang
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Patent number: 12356812Abstract: A display device includes a first active pattern disposed on a substrate and including a first material, a second active pattern including a second material that is different from the first material of the first active pattern, a voltage line disposed under the second active pattern, a horizontal transmission line disposed on the second active pattern, and extending in a first direction and a connection pattern spaced apart from the horizontal transmission line, disposed on a same layer as the horizontal transmission line, and making electrical contact with the second active pattern and the voltage line. The horizontal transmission line and the voltage line may be spaced apart from each other and the second active pattern and the voltage line may make contact with each other through the connection pattern. Accordingly, a contact resistance value may be reduced, and a distribution of contact resistance values may resultantly be reduced.Type: GrantFiled: October 18, 2021Date of Patent: July 8, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung-Hwan Cho, Wonsuk Choi, Jiryun Park, Seokje Seong, Seungwoo Sung, Hyeonwoo Shin
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Patent number: 12353107Abstract: To suppress a malfunction of a circuit due to deterioration in a transistor. In a transistor which continuously outputs signals having certain levels (e.g., L-level signals) in a pixel or a circuit, the direction of current flowing through the transistor is changed (inverted). That is, by changing the level of voltage applied to a first terminal and a second terminal (terminals serving as a source and a drain) every given period, the source and the drain are switched every given period. Specifically, in a portion which successively outputs signals having certain levels (e.g., L-level signals) in a circuit including a transistor, L-level signals having a plurality of different potentials (L-level signals whose potentials are changed every given period) are used as the signals having certain levels.Type: GrantFiled: November 16, 2023Date of Patent: July 8, 2025Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Hajime Kimura
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Patent number: 12356834Abstract: An organic light emitting diode display device can include a substrate including at least one subpixel having a non-emitting area and an emitting area, a thin film transistor in the non-emitting area on the substrate, an overcoating layer on the thin film transistor and having a plurality of microlenses at a top surface of the overcoating layer, and a light emitting diode in the emitting area on the overcoating layer and connected to the thin film transistor. The surface of the plurality of microlenses can be divided into a plurality of convex portions and a plurality of concave portions with respect to a central surface. Further, the adjacent edge portions of adjacent two of the plurality of microlenses can constitute a first high portion, and the adjacent edge portions of adjacent three of the plurality of microlenses constitute a second high portion.Type: GrantFiled: May 1, 2023Date of Patent: July 8, 2025Assignee: LG DISPLAY CO., LTD.Inventors: Keum-Kyu Min, Min-Geun Choi, Yong-Hoon Choi
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Patent number: 12354540Abstract: An electronic apparatus and/or method which may improve the performance of a sensor module. An electronic apparatus may include: a display panel; a fingerprint sensor arranged to overlap at least part of the display panel; and a processor operatively connected to the display panel and the fingerprint sensor, wherein the processor may: execute a fingerprint authentication function using the fingerprint sensor; identify an AMOLED off ratio (AOR) and luminance setting value of the display panel on the basis of the fingerprint authentication function being executed; linearly adjust the AOR according to a section to which the luminance setting value belongs or set the AOR to a designated minimum value; and perform fingerprint authentication by using the fingerprint sensor while the AOR is maintained at the minimum value. The present disclosure may further include various other embodiments.Type: GrantFiled: August 30, 2023Date of Patent: July 8, 2025Assignee: Samsung Electronics Co., Ltd.Inventors: Youngdo Kim, Jongsik Kang, Gyudong Eom, Dongheon Shin, Namhyeon Jeon, Woonbo Yeo, Dongseop Lee
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Patent number: 12352702Abstract: A method for evaluating a lifespan of an organic light emitting display panel includes: aging an organic light emitting display panel, including first light emitting elements for emitting a first color, second light emitting elements for emitting a second color, and third light emitting elements for emitting a third color, during a preset aging period by displaying the first color in a first pattern area of the organic light emitting display panel and displaying a fourth color in a second pattern area of the organic light emitting display panel; measuring luminances of the first pattern area and the second pattern area by displaying the first color in the first pattern area and the second pattern area during a measurement period; and calculating a lifespan of the first light emitting elements based on the measured luminance of the first pattern area and the measured luminance of the second pattern area.Type: GrantFiled: July 8, 2022Date of Patent: July 8, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Si Jin Sung, Jae Hong Kim, Hyo Min Kim, Ill Soo Park, Jong Seok Han
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Patent number: 12345409Abstract: A light-mixing cover includes a base plate and multiple lens groups. The base plate has a lens plane, and the multiple lens groups are arranged on the lens plane in a first direction. Each of the lens groups includes multiple lenses arranged at intervals in a second direction perpendicular to the first direction. At least one of the lenses is different in structure from an adjacent lens. A lighting device might include a housing, a lamp board with a plurality of lamp beads forming groups, and the light-mixing cover. At least one of the lamp beads is different in structure from an adjacent lamp bead.Type: GrantFiled: December 29, 2023Date of Patent: July 1, 2025Assignee: Aputure Imaging Industries Co., Ltd.Inventor: Huaiyou Mo
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Patent number: 12336064Abstract: A modular construction system light matrix comprising a housing having side walls, an end wall and a front edge encircling a front opening of said housing. The light matrix has an array of light emitting elements. The light matrix has a compartment grid, arranged in said housing and having compartment grid walls extending towards said front opening of the housing, one compartment for each light emitting element. The light matrix has a light diffusing element arranged at said opening of the housing having a plurality of diffuser tiles, each diffuser tile covering a compartment of the compartment grid. The diffusing element comprises a diffuser grid providing a barrier between mutually facing sidewalls of the diffuser tiles. The diffuser grid is formed in a different material from the diffuser tiles. A lower side of the diffuser grid adapted to abut an upper side of the compartment grid.Type: GrantFiled: March 24, 2022Date of Patent: June 17, 2025Assignee: LEGO A/SInventors: Arthur Sacek, Ole Terp, Jonathan Ørnstrup, Sebastian Hjort, Jacob Thomsen Juhl
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Patent number: 12332505Abstract: Eyewear devices including a tether with a battery and methods for identifying characteristics of the battery and proper installation of the tether. An eyewear device includes transmission lines extending through the temples to electrical and electronic components positioned adjacent to edges of a frame. A tether including a battery is attached to the temples to provide power and enable communication flow between the electrical and electronic components rather than through the frame. Proper installation is identified based on communications passing between the eyewear device and the tether.Type: GrantFiled: August 25, 2020Date of Patent: June 17, 2025Assignee: Snap Inc.Inventor: Yoav Ben-Haim
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Patent number: 12326997Abstract: An apparatus includes a backplane, a light emitting layer, a sensing layer, and a cover layer. The backplane includes an array of display pixel circuits and an array of sensing pixel circuits formed on a same substrate. The light emitting layer includes an array of light emitting elements above the backplane. Each display pixel circuit is configured to drive a plurality of light emitting elements. The sensing layer includes an array of optical sensing elements above the light emitting layer. Each sensing pixel circuit is configured to drive a respective optical sensing element. The cover layer is above the sensing layer. When an object is in contact with the cover layer, at least one optical sensing element is configured to detect optical information of the object based, at least in part, on light generated by at least one light emitting element and reflected by the object.Type: GrantFiled: January 7, 2020Date of Patent: June 10, 2025Assignees: VIEWTRIX TECHNOLOGY CO., LTD., KUNSHAN GOVISIONOX OPTOELECTRONICS.CO., LTD.Inventors: Jing Gu, Xiujian Zhu
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Patent number: 12315447Abstract: Disclosed is a pixel circuit and a display device including the pixel circuit. The pixel circuit includes a driving element connected to a first node, a second node, and a third node; a first capacitor connected between the second node and a fourth node; a second capacitor connected between the third node and the fourth node; a light emitting element; a first switch element supplying an initialization voltage to the fourth node; a second switch element supplying the initialization voltage to the second node; a third switch element supplying a data voltage to the second node; and a fourth switch element supplying a reference voltage to the third node or to a fifth node connected to an anode electrode of the light emitting element.Type: GrantFiled: November 10, 2023Date of Patent: May 27, 2025Assignee: LG Display Co., Ltd.Inventors: Yong Won Lee, Ki Young Kwon, Jung Woo Ko
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Patent number: 12315457Abstract: A display device includes: a display panel including a first area and a second area; and a panel driver configured to drive the display panel, to provide a first mode control signal to pixels in the first area, and to provide a second mode control signal to pixels in the second area, wherein the first area is configured to be driven in a first mode to display an image having a first viewing angle or a second mode to display an image having a second viewing angle narrower than the first viewing angle based on the first mode control signal, and wherein the second area is configured to be driven in the first mode or the second mode based on the second mode control signal.Type: GrantFiled: January 10, 2024Date of Patent: May 27, 2025Assignee: Samsung Display Co., Ltd.Inventors: Do Yeon Hwang, Kwang-Min Kim, Inhyeok Yeo
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Patent number: 12315436Abstract: A display panel and a pixel circuit thereof are provided. A pulse width signal generator turns on a charge sharing switch during a light-emitting period, and performs charge sharing with a control end of a positive feedback switch of a positive feedback circuit, so as to control the positive feedback switch to provide a positive feedback voltage to the pulse width signal generator to increase a voltage at an output end of the pulse width signal generator and thus to accelerate a rising speed of a voltage for controlling a driving current generator to provide a driving current.Type: GrantFiled: July 16, 2024Date of Patent: May 27, 2025Assignee: AUO CorporationInventors: Chih-Lung Lin, Yi-Jui Chen, Cheng-Han Ke, Ming-Yang Deng, Chia-Tien Peng
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Patent number: 12315448Abstract: A pixel circuit and a driving method thereof, and a display device are disclosed. The pixel circuit includes a driving circuit, a data writing circuit, a reset circuit, a light-emitting control circuit and a light-emitting element. The driving circuit includes a control terminal, a first terminal and a second terminal; the data writing circuit is connected to a first node to apply a data voltage; the reset circuit is connected to the first node to apply a reference voltage. The pixel circuit further includes a partition control circuit, which is connected to the first node and the control terminal, and is configured to apply the data voltage and the reference voltage to the control terminal; the reset circuit is connected to one of the first terminal and the second terminal of the driving circuit, and the reset circuit is further configured to apply an initialization voltage to the driving circuit.Type: GrantFiled: January 12, 2023Date of Patent: May 27, 2025Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhidong Yuan, Pan Xu, Yongqian Li, Can Yuan
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Patent number: 12316313Abstract: An electronic device is provided. The electronic device includes a first circuit, a second circuit, and an electronic component. The first circuit, the second circuit, and the electronic component are electrically connected to a node. The first circuit receives a first operation voltage, and the second circuit receives a second operation voltage. The electronic component receives a third operation voltage, and the third operation voltage is between the first operation voltage and the second operation voltage.Type: GrantFiled: May 16, 2024Date of Patent: May 27, 2025Assignee: Innolux CorporationInventor: Kazuyuki Hashimoto
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Patent number: 12300173Abstract: The present disclosure provides a pixel circuit, a display panel and a display apparatus, belongs to the field of display technology, and can solve a problem that a current time for compensating a threshold voltage is limited, and is easily affected by a sub-threshold voltage. The pixel circuit includes a reset sub-circuit, a data writing sub-circuit, a threshold compensation sub-circuit, a sub-threshold compensation sub-circuit, a driving transistor, a first storage capacitor, a first light emitting control sub-circuit, a second light emitting control sub-circuit and a light emitting device; the sub-threshold compensation sub-circuit is configured to store a voltage of a fourth node and compensate a sub-threshold of the driving transistor by using the voltage of the fourth node; the fourth node is a connection point between the sub-threshold compensation sub-circuit, a second electrode of the driving transistor, the data writing sub-circuit and the second light emitting control sub-circuit.Type: GrantFiled: January 19, 2023Date of Patent: May 13, 2025Assignees: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhidong Yuan, Yongqian Li
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Patent number: 12302059Abstract: A measurement system includes earphones configured to be worn on left and right ears of a user respectively and a wireless terminal. The earphones measure and accumulate usage time during the earphones are used by a user, and transmit accumulated usage time to the wireless terminal. The wireless terminal acquires the accumulated usage time from the earphones, determines whether the accumulated usage time exceeds predetermined time, and generates a notification for urging the user to clean the earphones when it is determined that the accumulated usage time exceeds the predetermined time.Type: GrantFiled: September 20, 2022Date of Patent: May 13, 2025Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventor: Takeshi Takahashi
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Patent number: 12298486Abstract: A mosaic scan filter array has a plurality of identical tiles, each tile have n rows and m columns where n is equal to a greater than 1 and m is equal to a greater than 2. One row of tiles extends a width of a detector array and constitutes a base pattern. The base pattern is repeated M times and each repetition is laterally offset in one direction by one pixel width. The base pattern and laterally offset repetitions constitute a repeat pattern. There are MxN filters selected from the group of one or more of the following: RGBW filters, fluorescence emission filters and a series of narrow spectral band filters covering a continuous spectral range. The mosaic scan filter arrays can be used with a scanning microscope or a scanning camera.Type: GrantFiled: August 25, 2017Date of Patent: May 13, 2025Assignee: Huron Technologies International Inc.Inventor: Arthur Edward Dixon
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Patent number: 12295220Abstract: A display device includes a substrate, a transistor, an interlayer insulating layer, a first conductive line, a pixel electrode, a passivation layer, a common electrode, and a light emitting element layer. The transistor overlaps the substrate. The interlayer insulating layer overlaps the transistor and includes a first groove. The first conductive line is electrically connected to the transistor and is at least partially disposed inside the first groove. The pixel electrode is electrically connected to the transistor and overlaps the first conductive line. The passivation layer is disposed between the pixel electrode and the first conductive line and directly contacts at least one of the pixel electrode and the first conductive line. The common electrode overlaps the pixel electrode. The light emitting element layer is disposed between the common electrode and the pixel electrode.Type: GrantFiled: January 21, 2021Date of Patent: May 6, 2025Assignee: Samsung Display Co., Ltd.Inventors: Jun Hee Lee, Nak Cho Choi, Min Yeul Ryu, Dong Ki Lee, Choong Youl Im, Beohm Rock Choi
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Patent number: 12295229Abstract: A light emitting display apparatus includes a display area including pixels in first to mth horizontal lines parallel to a first direction over a first substrate, gate lines at the first to mth horizontal lines of the display area, gate control lines between the plurality of pixels, and a gate driving circuit including first to mth stage circuit parts at the display area and coupled to the gate lines and the gate control lines. Each of the first to mth stage circuit parts includes a plurality of branch circuits dispersively between the pixels along the first direction and coupled to the gate control lines, and a branch network coupled to the plurality of branch circuits. Each of the branch network of the first stage circuit unit and the mth stage circuit unit is disposed between two adjacent pixels along the second direction.Type: GrantFiled: December 29, 2021Date of Patent: May 6, 2025Assignee: LG Display Co., Ltd.Inventors: KyungMin Kim, EunJi Park, YoungIn Jang
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Patent number: 12288507Abstract: A light emitting display device includes a display panel including a first pixel group including a plurality of pixels in 2N rows. The light emitting display device further includes a second pixel group disposed subsequent to the first pixel group and including a plurality of pixels in 2N rows. The light emitting display device further includes an emission signal unit including a first emission stage for applying the same first emission signal to the first pixel group and a second emission stage for applying the same second emission signal to the second pixel group. In a first frame, a falling time of the first emission signal and a rising time of the second emission signal are different from each other.Type: GrantFiled: December 22, 2023Date of Patent: April 29, 2025Assignee: LG Display Co., Ltd.Inventors: Jeong Ki Kim, Joon Young Park, Jae Woo Park, Sung Min Cho, Hyeong Kyu Kim
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Patent number: 12288800Abstract: A monolithic semiconductor LED display system comprising a layered semiconductor material system fabricated to form a plurality of light emitting switch devices. Each of the light emitting switch devices extends along a different axis from a common substrate and comprises a driver device and a light emitting diode. Each of the driver devices comprises, in adjacent order from the substrate and in series, a first type of doped region, a second type of doped region and another of the first type of doped region. Areas of the layered semiconductor material system not utilized for the LED elements are fabricated to form circuitry in two or more of the doped regions for each of the light emitting switch devices.Type: GrantFiled: November 16, 2021Date of Patent: April 29, 2025Assignee: INNOVATION SEMICONDUCTORInventor: Matthew T. Hartensveld
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Patent number: 12283232Abstract: A luminance compensation circuit includes: a light-emitting circuit; a luminance detector electrically connected to a first power terminal, a second power terminal, and a first node; a reading device electrically connected to the first node; and a timing controller electrically connected to the reading device and the light-emitting circuit.Type: GrantFiled: December 7, 2023Date of Patent: April 22, 2025Assignee: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., LTd.Inventor: Wei Wu
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Patent number: 12276790Abstract: Systems, devices, and methods for accommodating multiple sets of laser light sources in an optical engine of a display system such as a laser projection system are described. Laser light beams may be combined via wavelength-, polarization-, and/or angular-separation-based techniques. First and second sets of laser light beams may be angularly separated such that different sets of partially overlapping pixels are projected by the system, thereby increasing the display pixel density and/or an expanding the field of view of the display. One or more laser die may be mounted to each submount of the optical engine. For embodiments with two laser dies on each submount, collimating lenses may introduce angular separation between laser light beams output by each pair of commonly mounted laser dies. A retroreflector prism may be disposed at a beam combiner to provide a compact extension of the optical path through the beam combiner.Type: GrantFiled: January 21, 2022Date of Patent: April 15, 2025Assignee: GOOGLE LLCInventors: Daniel Adema, Stuart James Myron Nicholson
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Patent number: 12270681Abstract: Operation of a hubodometer includes orbiting detection and cancelation. In particular, in a hubodometer having a housing that rotates relative to a pendulous assembly, such operation includes detecting, by at least one orbiting sensor operatively connected to the pendulous assembly, an orbiting condition of the pendulous assembly, the orbiting condition being at least partly defined by an orbiting direction. Thereafter, and responsive to the detection of the orbiting condition, operation of the hubodometer further comprises applying, by an electric actuator operatively connected to the pendulous assembly, a countervailing force to the pendulous assembly in a direction opposite the orbiting direction. Through application of the countervailing force, the orbiting condition may be canceled.Type: GrantFiled: January 4, 2023Date of Patent: April 8, 2025Assignee: DYNAPAR CORPORATIONInventor: Kenneth L. Dickinson
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Patent number: 12274127Abstract: An array substrate is configured to carry a plurality of light emitting units with different light emitting colors. The array substrate includes a plurality of pixel driving circuits, a first voltage input line and a second voltage input line. The plurality of pixel driving circuits include at least one first driving circuit and at least one second driving circuit. The first voltage input line is coupled to the at least one first driving circuit, and is configured to transmit a first voltage to the at least one first driving circuit. The second voltage input line is coupled to the at least one second driving circuit, and is configured to transmit a second voltage to the at least one second driving circuit. The first voltage is different from the second voltage.Type: GrantFiled: February 24, 2021Date of Patent: April 8, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Dongni Liu, Minghua Xuan, Haoliang Zheng, Jiao Zhao
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Patent number: 12272312Abstract: A pixel including: a light emitting element; a first transistor including a first electrode, a second electrode electrically connected to the light emitting element, a gate electrode, and a body electrode; a second transistor connected between a first driving voltage line for receiving a first driving voltage and the first electrode of the first transistor and including a gate electrode for receiving a first emission control signal; a first circuit which provides a reference voltage to the gate electrode of the first transistor in response to a first scan signal and a second scan signal; and a second circuit which provides an initialization voltage to the body electrode of the first transistor in response to the first scan signal, the second scan signal, and a second emission control signal.Type: GrantFiled: May 23, 2023Date of Patent: April 8, 2025Assignee: Samsung Display Co., Ltd.Inventors: Wonjun Lee, Cholho Kim
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Patent number: 12266281Abstract: A display substrate and a display device are provided. The display substrate includes a display region and a non-display region at least partially surrounding the display region and including a binding region. A plurality of first pads are located in the binding region, and configured to be electrically coupled to an external electrical test circuitry at a panel test stage, and bound to a circuit board so as to transmit an electric signal from the circuit board to the display region at a display stage. A plurality of second pads are located in the binding region, and configured to be bound to the circuit board so as to transmit the electric signal from the circuit board to the display region at the display stage.Type: GrantFiled: June 1, 2021Date of Patent: April 1, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.Inventors: Lili Du, Hongjun Zhou, Feng Wei
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Patent number: 12266305Abstract: Embodiments relate to a display device including pixels that compensate a threshold voltage of a driving transistor, the pixels arranged in a plurality of rows. The gate of the driving transistor of each pixel is coupled to a pixel data switch and a reference voltage switch, configured to selectively provide pixel data provided via a data line and a reference voltage provided via a separate reference voltage line to the gate of the driving transistor, respectively. As pixel data and the reference voltage are provided to the driving transistor via separate lines, the compensation period of the pixel may overlap in time with a data writing period of pixels of a previous row of the display device, increasing the rate at which the display device is able to program the pixels of each row.Type: GrantFiled: March 16, 2023Date of Patent: April 1, 2025Assignee: META PLATFORMS TECHNOLOGIES, LLCInventors: Gyungmin Kim, Min Hyuk Choi, Takanori Shibasaki
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Patent number: 12260808Abstract: A transparent display module includes: a transparent substrate; a line pattern provided on the transparent substrate in a form of a two-dimensional grid; a plurality of micro-pixel integrated circuits (ICs) provided on the line pattern; a plurality of inorganic light emitting elements provided on the line pattern or the plurality of micro-pixel ICs; a plurality of transparent areas formed in areas in which the line pattern is not provided, and at least one pixel circuit configured to supply a driving current to the plurality of inorganic light emitting elements.Type: GrantFiled: February 24, 2023Date of Patent: March 25, 2025Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seungryong Han, Jaeseok Kim, Jaehoo Park, Sangkyun Im, Kilsoo Jung
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Patent number: 12262589Abstract: A pixel includes: a driving transistor including a semiconductor layer and a gate electrode; and a compensation transistor connected to the gate electrode and the semiconductor layer of the driving transistor, wherein the first thin-film transistor includes: a first sub-transistor including a first gate electrode receiving a first scan signal having a first voltage level during a period; and a second sub-transistor connected to the first sub-transistor in parallel and comprising a second gate electrode receiving a second scan signal having a second voltage level that is an inverted level of the first voltage level during the same period.Type: GrantFiled: October 26, 2020Date of Patent: March 25, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Keunwoo Kim, Hyena Kwak, Sangsub Kim, Hanbit Kim
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Patent number: 12260818Abstract: A sensing circuit includes a first line selection switch which connects a first sensing line to a sensing channel in a first sub-sensing period, a first noise selection switch which connects the first sensing line to a reference channel in a second sub-sensing period, a second line selection switch which connects a second sensing line to the sensing channel in the second sub-sensing period, and a second noise selection switch which connects the second sensing line to the reference channel in the first sub-sensing period. The sensing channel samples a first sensing voltage and noise of the first sensing line and the reference channel samples noise of the second sensing line in a first sampling period, and the sensing channel samples a second sensing voltage and noise of the second sensing line and the reference channel samples noise of the first sensing line in a second sampling period.Type: GrantFiled: May 10, 2023Date of Patent: March 25, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hayong Jung, Wook Lee, Sung Hwan Kim, Jaehoon Shin
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Patent number: 12260800Abstract: A pixel may include: a first transistor including a second electrode, a first electrode electrically connected to a first power line, and a gate electrode connected to a first node; a second transistor including a second electrode, a first electrode electrically connected to a data line, and a gate electrode electrically connected to a first scan line; a third transistor connected between the first node and the data line, and including a gate electrode electrically connected to a second scan line; a first capacitor including a first electrode connected to the second electrode of the second transistor, and a second electrode connected to the first node; a second capacitor connected between the first power line and the first node; and a light emitting element between a second power line and the first transistor, and including a second electrode electrically connected to the second power line.Type: GrantFiled: March 20, 2024Date of Patent: March 25, 2025Assignee: Samsung Display Co., Ltd.Inventors: Sang Hyun Heo, Joon Chul Goh, Oh Jo Kwon, Dong Soo Kim, Hyung Gun Ma, Jung Hun Yi
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Patent number: 12254841Abstract: A display substrate a driving method therefor, and a display apparatus. The display substrate comprises: M rows and N columns of sub-pixels, N data signal lines and a data reset circuit, wherein at least one sub-pixel comprises a pixel circuit; an ith data signal line is connected to pixel circuits in an ith column, where M?1, N?1, and 1?i?N; and the data reset circuit is electrically connected to a data reset control end, a data initial signal end and the N data signal lines, and is configured to provide a signal of the data initial signal end to the N data signal lines under the control of the data reset control end.Type: GrantFiled: December 20, 2021Date of Patent: March 18, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Haoliang Zheng, Yan Qu, Dongni Liu, Li Xiao, Jiao Zhao, Xiaorong Cui, Seungwoo Han, Minghua Xuan
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Patent number: 12254836Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate; a plurality of pixels; and a light emitting control line and a first power supply line which are electrically connected to a light emitting control circuit of the pixel. The light emitting control circuits of pixels located in two adjacent rows share the same light emitting control line. The light emitting control circuit includes a light emitting control transistor, the gate of the light-emitting control transistor is electrically connected to the light emitting control line, one of the first electrode and the second electrode of the light emitting control transistor is connected to the first power supply line, and the first power supply line extends in parallel to the light emitting control line.Type: GrantFiled: July 8, 2021Date of Patent: March 18, 2025Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.Inventors: Yongqian Li, Can Yuan
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Patent number: 12253233Abstract: A vehicle lighting device and a vehicle lamp are provided. The vehicle lighting includes a socket; a substrate provided on one end portion side of the socket; light emitting elements provided on the substrate; and a control element provided on the substrate and electrically connected to the light emitting elements. The control element turns on some of the light emitting elements when the input voltage is lower than a first voltage; turns on all of the light emitting elements when the input voltage exceeds a second voltage higher than the first voltage; and turns on all of the light emitting elements and changes at least one of total luminous flux of the light emitting elements and current flowing through the light emitting elements according to the input voltage when the input voltage is equal to or higher than the first voltage and equal to or lower than the second voltage.Type: GrantFiled: March 8, 2023Date of Patent: March 18, 2025Assignee: Toshiba Lighting & Technology CorporationInventors: Hiraku Mori, Daisuke Kosugi
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Patent number: 12249272Abstract: Provided are a display device and a tiled display comprising the same. The display device includes PWM data lines for respectively receiving PWM data voltages, first to third data lines for respectively receiving first to third data voltages, sub-pixels respectively connected to the PWM data lines, respectively connected to the first to third data lines, and respectively including at least one light-emitting element, a global power supply line for receiving a global power supply voltage, and a first demultiplexer between the PWM data lines and the global power supply line, wherein the PWM data voltages have grayscale voltages from a black grayscale voltage to a white grayscale voltage, the black grayscale voltage being greater than or equal to the global power supply voltage.Type: GrantFiled: October 13, 2023Date of Patent: March 11, 2025Assignee: Samsung Display Co., Ltd.Inventors: Sang Jin Jeon, Min Chul Shin, Jung Hwan Hwang, Sung Hwan Kim, Ji Youn Seo, Kye Uk Lee
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Patent number: 12248211Abstract: A display device includes a display panel having a curved shape in section along one axis, the display panel including a display screen that includes a concave surface, wherein a radius of curvature (R) of the curved shape of the display screen is larger than 2000 mm.Type: GrantFiled: May 31, 2013Date of Patent: March 11, 2025Assignee: SATURN LICENSING LLCInventor: Shinpei Nagatani
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Patent number: 12243495Abstract: A pixel circuit and a display device including the same are disclosed. The pixel circuit includes a driving element including a first electrode connected to a first power line, a gate electrode connected to a first node, and a second electrode connected to a second node, a first switch element connected between a data line through which a first or second data voltage is applied and the first node, and supplies the first data voltage to the first node responsive to a first gate signal, a second switch element connected between the data line and the second node and supplies the second data voltage to the second node responsive to a second gate signal, a light-emitting element including an anode connected to the second node and a cathode connected to a second power line, and a capacitor connected between the first and second nodes.Type: GrantFiled: October 16, 2023Date of Patent: March 4, 2025Assignee: LG Display Co., Ltd.Inventors: Hyun Soo Lee, Sung Ho Hong, Seo Jun Yeom
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Patent number: 12243488Abstract: A pixel includes a light emitting element, a first transistor including an electrode connected to a first power source line via a first node, another electrode connected to a second power source line via a second node and the light emitting element, and another electrode connected to a third node. The pixel further includes a second transistor connected between a data line and the second node and having a gate electrode connected to a scan line, a third transistor connected between the first node and the third node and having a gate electrode connected to the scan line, a fourth transistor connected between the first power source line and the first node and having a gate electrode connected to an emission control line, a first capacitor connected between the second node and the third node, and a second capacitor connected between a third power source line and the third node.Type: GrantFiled: October 19, 2023Date of Patent: March 4, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Woo Kim, Kwi Hyun Kim, Yeon Kyung Kim
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Patent number: 12245474Abstract: An array substrate is provided. The array substrate includes a gate line; a data line; a voltage supply line; and a pixel driving circuit. The pixel driving circuit includes a plurality of transistors and a storage capacitor. The storage capacitor includes a first capacitor electrode, a second capacitor electrode, and an insulating layer between the first capacitor electrode and the second capacitor electrode. The second capacitor electrode is electrically connected to the voltage supply line. The second capacitor electrode includes a first portion and a second portion as parts of a first unitary structure in a respective subpixel. The voltage supply line crosses over the first portion by a first crossing-over distance. The data line crosses over the second portion by a second crossing-over distance. The first crossing-over distance is greater than the second crossing-over distance.Type: GrantFiled: December 25, 2020Date of Patent: March 4, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Siyu Wang, Tinghua Shang, Yi Zhang, Chang Luo, Huijuan Yang, Xiaofeng Jiang, Yongjie Song, Shun Zhang, Lulu Yang
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Patent number: 12236863Abstract: A display comprising a light emitting OLED stack on top of a silicon-based backplane with individually addressable pixels and control circuitry wherein the control circuitry of the silicon-based backplane comprises at least one driving transistor where a first terminal of the driving transistor is electrically connected to an external power source VDD, and the second terminal of the driving transistor is electrically connected to the bottom electrode of the OLED stack; wherein the gate of the driving transistor is controlled by a data signal which supplied by a scan transistor controlled by a signal from select line SELECT1; and the control circuitry additionally comprises a protection circuit comprising a bipolar junction transistor. There can be a switch transistor between the scan transistor and the gate of the driving transistor for microdisplay applications. The OLED stack can comprise two or more OLED light-emitting units.Type: GrantFiled: January 26, 2021Date of Patent: February 25, 2025Assignees: OLEDWorks LLC, Fraunhofer-Gesellschaft e.V.Inventors: John Hamer, Jeffrey Spindler, Marina Kondakova, Bernd Richter, Philipp Wartenberg, Gerd Bunk, Uwe Vogel
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Patent number: 12236829Abstract: A pixel driving circuit includes a driving circuit, a first reset circuit, and a second reset circuit. The driving circuit is coupled to a first node and a second node, and is configured to output a driving current according to a voltage difference between the first node and the second node. The first reset circuit is coupled to the first node, a first initial signal terminal and a first reset signal terminal, and is configured to transmit a signal of the first initial signal terminal to the first node in response to a signal of the first reset signal terminal. The second reset circuit is coupled to the second node and a first power terminal, and is configured to transmit a signal of the first power supply terminal to the second node in response to a control signal.Type: GrantFiled: July 30, 2021Date of Patent: February 25, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Huaping Sun, Kai Zhang, Erlong Song, Qiang Fu, Xingrui Cai