Display Driving Control Circuitry Patents (Class 345/204)
  • Patent number: 11915664
    Abstract: According to an aspect, a display device, includes: a display panel having a display region in which a plurality of pixels are provided; a plurality of temperature sensors; and a control integrated circuit (IC) configured to control operations of the display panel and the temperature sensors. A plurality of temperature detection regions in which the temperature sensors are arranged are provided to overlap the display region. The display region has a plurality of partial regions that overlap the temperature detection regions, respectively. The control IC is provided capable of controlling the display region on a partial region basis. At least either signal lines of the display panel or scan lines of the display panel, and the temperature sensors are coupled to the control IC.
    Type: Grant
    Filed: November 14, 2022
    Date of Patent: February 27, 2024
    Assignee: Japan Display Inc.
    Inventor: Masashi Takahata
  • Patent number: 11917310
    Abstract: An image sensor includes: a first pixel having a first photoelectric conversion unit that photoelectrically converts light to generate a charge, a first accumulation unit that accumulates the charge generated by the first photoelectric conversion unit, and a first output unit that is connected to the first accumulation unit; a second pixel having a second photoelectric conversion unit that photoelectrically converts light to generate a charge, a second accumulation unit that accumulates the charge generated by the second photoelectric conversion unit, and a second output unit that is connected to and disconnected from the second accumulation unit via a second connection unit; and an adjustment unit that adjusts capacitances of the first accumulation unit and the second accumulation unit if a signal based on the charges generated by the first photoelectric conversion unit and the second photoelectric conversion unit is output from the first output unit.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: February 27, 2024
    Assignee: NIKON CORPORATION
    Inventor: Shigeru Matsumoto
  • Patent number: 11909145
    Abstract: A detecting circuit of an external display device includes a first connector, a display circuit configured to provide a display signal to the external display device through the first connector, a switch circuit, a power supply circuit configured to provide power needed for operating the display circuit through the switch circuit when the switch circuit is on, and a control circuit configured to turn on the switch circuit upon detecting the external display device so as to connect the power supply circuit to the display circuit. When the switch circuit is on, the control circuit accumulates a duration or a number of times of detection that the external display device is continually not detected, and then turns off the switch circuit to disconnect the power circuit from the display circuit when the duration reaches a time threshold or the number of times of detection reaches a count threshold.
    Type: Grant
    Filed: January 13, 2023
    Date of Patent: February 20, 2024
    Assignee: GETAC TECHNOLOGY CORPORATION
    Inventors: Kuan-Yu Chen, Yao-Wei Yang, Hsueh-Mao Cheng
  • Patent number: 11908413
    Abstract: A display device includes a display panel and a display panel driver. The display panel includes a pixel having a switching element of a first type and a switching element of a second type different from the first type. The display panel driver drives the display panel. In a first mode, the display panel driver drives the switching element of the first type and the switching element of the second type with a high driving frequency. In a second mode, the display panel driver drives the switching element of the first type with the high driving frequency and the switching element of the second type with low driving frequency which is lower than the high driving frequency. In a third mode, the display panel driver drives the switching element of the first type and the switching element of the second type with the low driving frequency.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: February 20, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyo-Jin Lee, Sehyuk Park
  • Patent number: 11908378
    Abstract: The present application provides a gate driving circuit and a display panel. The gate driving circuit includes a plurality of cascaded gate driving units, where each of the plurality of cascaded gate driving units includes a pull-up control module, an inversion module and a feedback module. The potential of the pull-up node is stepwise increased by the pull-up control module, so that the feedback module can be controlled to be turned off by the inversion module when the potential of the pull-up node is lower, thereby improving a phenomenon of leakage of the pull-up node through the feedback module.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: February 20, 2024
    Assignees: Huizhou China Star Optoelectronics Display Co., Ltd., TCL China Star Optoelectronics Technology Co., Ltd.
    Inventor: Wenbo Shi
  • Patent number: 11908400
    Abstract: A system including a display module and a system module. The display module is integrated in a portable device with a display communicatively coupled to one or more of a driver unit, a measurement unit, a timing controller, a compensation sub-module, and a display memory unit. The system module is communicatively coupled to the display module and has one or more interface modules, one or more processing units, and one or more system memory units. At least one of the processing units and the system memory units is programmable to calculate new compensation parameters for the display module during an offline operation.
    Type: Grant
    Filed: November 17, 2022
    Date of Patent: February 20, 2024
    Assignee: Ignis Innovation Inc.
    Inventor: Gholamreza Chaji
  • Patent number: 11900865
    Abstract: A light-emitting diode (LED) driving circuit for driving an LED channel including a plurality of LED elements includes a switch-capacitor amplifier circuit configured to sample received input current and amplify an input voltage corresponding to the input current, a replica circuit configured to connect to the switch-capacitor amplifier circuit in a first period to define a first feedback loop, and an output circuit configured to connect to the switch-capacitor amplifier in a second period to define a second feedback loop. The second period is after the first period, and the output circuit is configured to generate output current according to an output voltage of the switch-capacitor amplifier circuit and provide the output current to the LED.
    Type: Grant
    Filed: November 17, 2022
    Date of Patent: February 13, 2024
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Yongsik Kwak, Sunkwon Kim, Yongil Kwon, Uijong Song, Moonsuk Jeong, Youngkil Choi
  • Patent number: 11896443
    Abstract: A surgical system assembly is disclosed. The surgical system assembly includes a first surgical system and a second surgical system coupled to the first surgical system. The second surgical system includes a control circuit. The control circuit is configured to operate in a first mode or a second mode and control one or more functions of the first surgical system when the second surgical system is in the second mode.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: February 13, 2024
    Assignee: Cilag GmbH International
    Inventors: Frederick E. Shelton, IV, Jason L. Harris, Taylor W. Aronhalt
  • Patent number: 11901369
    Abstract: A pixel array substrate, including multiple pixel structures, multiple data lines, multiple scan line groups, multiple transfer line groups, multiple connection terminal groups, and multiple bridge line groups, is provided. The multiple data lines are electrically connected to the multiple pixel structures and arranged in a first direction. Each scan line group includes multiple scan lines arranged in a second direction. The multiple scan lines of the multiple scan line groups are electrically connected to the multiple pixel structures. Each transfer line group includes multiple transfer lines arranged in the first direction. The multiple transfer lines of each transfer line group are electrically connected to the multiple scan lines of a corresponding scan line group. The bridge line groups are structurally separated. Each bridge line group is electrically connected to a corresponding transfer line group and a corresponding connection terminal group.
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: February 13, 2024
    Assignee: Au Optronics Corporation
    Inventors: Mu-Kai Wang, Ai-Ju Tsai, Kuo-Yu Huang, Yueh-Hung Chung
  • Patent number: 11893951
    Abstract: A display device comprises: a panel driving unit comprising panel driving circuitry; a display panel including a plurality of pixels; and a processor configured to control the panel driving unit, wherein: the processor is configured to: control the panel driving unit so that gate signals are sequentially output to a plurality of gate lines one gate line at a time, to process, in a first mode, image data in a first driving frequency, and control the panel driving unit so that the gate signals are output to the plurality of gate lines at least two gate lines at a time, to process, in a second mode, the image data in a second driving frequency higher than the first driving frequency; wherein, in the second mode, the respective gate lines output to the plurality of gate lines at least two gate lines at a time can have output timings that differ from each other.
    Type: Grant
    Filed: February 1, 2023
    Date of Patent: February 6, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sungjin Lim, Changhoon Kim, Hyejin Kim, Jeongphil Seo
  • Patent number: 11895443
    Abstract: A projector includes: an electro-optical panel including a plurality of pixels; an optical-path shift element configured to change an optical path of light emitted from the plurality of pixels; and an image processing circuit configured to, in a unit period, supply an image signal to the plurality of pixels in an order, the unit period being included in one frame period for displaying an image of one frame indicated by an input image signal, the image signal corresponding to the plurality of pixels and being generated on a basis of the input image signal, in which the image processing circuit includes an adjustment circuit configured to adjust a response velocity of the plurality of pixels when the image displayed by the electro-optical panel is switched, on a basis of an order of supply of the image signal or of a position of a pixel at the electro-optical panel.
    Type: Grant
    Filed: June 24, 2022
    Date of Patent: February 6, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Toru Aoki
  • Patent number: 11893154
    Abstract: An electronic device, while the electronic device is worn over a predefined portion of the user's body, displays, via a display generation component arranged on the electronic device opposite the predefined portion of the user's body, a graphical representation of an exterior view of a body part that corresponds to the predefined portion of the user's body. The electronic device detects a change in position of the electronic device with respect to the predefined portion of the user's body. The electronic device, in response to detecting the change in the position of the electronic device with respect to the predefined portion of the user's body, modifies the graphical representation of the exterior view of the body part that corresponds to predefined portion of the user's body in accordance with the detected change in position of the electronic device with respect to the predefined portion of the user's body.
    Type: Grant
    Filed: February 8, 2023
    Date of Patent: February 6, 2024
    Assignee: APPLE INC.
    Inventors: Alfred B. Huergo Wagner, Seung Wook Kim, Felipe Bacim De Araujo E Silva, William A. Sorrentino, III, Thomas S. Hulbert, Karlin Y. Bark
  • Patent number: 11893929
    Abstract: A display screen frequency conversion method and a terminal (1100). The method is applied to a DDIC chip of an OLED display screen, including: initializing display screen parameters according to a first refresh rate; in response to receiving first image data sent by an AP, performing an image scanning according to the first refresh rate; in response to not receiving second image data sent by the AP within a preset delay duration of a VFP corresponding to the first refresh rate, adjusting the first refresh rate to a second refresh rate; wherein the second refresh rate is less than the first refresh rate; and adjusting the display screen parameters according to the second refresh rate.
    Type: Grant
    Filed: July 14, 2022
    Date of Patent: February 6, 2024
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Le Yang, Zhijia Cui
  • Patent number: 11893967
    Abstract: The present teaching relates to method, system, medium, and implementations for LED display. A first signal is received that signals a timing for a next data transfer. In response to the first signal, a bit-based image block stored in a memory is transferred, via a bus connected thereto, to one of a pair of alternate buffers pointed to by a write buffer pointer, which is subsequently toggled to point to another of the pair of alternate buffers. A second signal is received that signals a timing for refreshing the LED display. In response to the second signal, the bit-based image block is retrieved from the one of the pair of alternate buffers pointed to by a read buffer pointer, which is then toggled to point to the other of the pair of alternate buffers. The lights of the LED display are then refreshed in accordance with control signals generated based on the bit-based image block.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: February 6, 2024
    Assignee: ALPHASCALE TECHNOLOGIES, INC.
    Inventors: Qi Dong, Minglang Wang, Gufeng Xi
  • Patent number: 11895446
    Abstract: A control device controls projection by a plurality of projection units having different projection ranges. A control unit projects, by the plurality of projection units a first image in which a content is disposed on a first projection range having the projection ranges of the plurality of projection units. An acquisition unit acquires first attribute information associated with the content and indicating whether an aspect ratio is made to be changeable or is maintained in a case in which a size of the content is adjusted. The control unit projects a second image in which at least a part of the contents is disposed on a second projection range, and, in a state in which projection is performed by a projection unit except a part of the plurality of projection units, adjusts the size of the content in generation of the second image based on the first attribute information.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: February 6, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Kazuki Ishida, Akihiro Ishizuka, Tomonori Masuda, Kazuki Inoue
  • Patent number: 11887539
    Abstract: A display apparatus includes a display panel including a pixel to display an image based on input image data, a driving controller which determines a driving frequency of a first display area of the display panel to be a first driving frequency and determines a driving frequency of a second display area of the display panel to be a second driving frequency less than the first driving frequency when the first display area displays a moving image and the second display area of the display panel displays a still image, and an emission driver which outputs a moving image emission signal corresponding to the first driving frequency and a still image emission signal corresponding to the second driving frequency to the display panel. A width of a non-emission period of the still image emission signal is greater than a width of a non-emission period of the moving image emission signal.
    Type: Grant
    Filed: October 17, 2022
    Date of Patent: January 30, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soon-Dong Kim, Sangan Kwon, Taehoon Kim, Hui Nam, Junheyung Jung
  • Patent number: 11884157
    Abstract: An apparatus and methods for rotating a console display device of a vehicle are disclosed. The apparatus includes a display device; a rotation mechanism connected to the display device and configured to rotate the display device between a portrait orientation and a landscape orientation; a touch bar having at least one button; and a memory storing instructions. The instructions include receiving a request from a user via the touch bar to rotate the display device from the portrait orientation to the landscape orientation; sending a message to the user via the display device providing a time for the user to cancel the request; executing, via the rotation mechanism, a rotation of the display device from the portrait orientation to the landscape orientation after the provided time to cancel the request elapses; and sending a signal to disable vehicle movement.
    Type: Grant
    Filed: September 9, 2022
    Date of Patent: January 30, 2024
    Assignee: Fisker Inc.
    Inventors: Henrik Fisker, Todd Omotani, Nadya Arnaout
  • Patent number: 11887527
    Abstract: A special-shaped display panel includes: a special-shaped display area (S) having gate lines (G), some of the gate lines (G) being cut off in a non-display sub-area (S2) of the special-shaped display area (S); a first gate drive circuit set (A1) located on one side of the special-shaped display area (S), electrically connected to one ends of gate lines (G) which are not cut off by the non-display sub-area (S2), and electrically connected to gate lines (G) on one side which are cut off by the non-display sub-area (S2); and a second gate drive circuit set (A2) located on the other side of the special-shaped display area (S), electrically connected to the other ends of gate lines (G) which are not cut off by the non-display sub-area (S2), and electrically connected gate lines (G) on the other side which are cut off by the non-display sub-area (S2).
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: January 30, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Pan Xu, Yicheng Lin, Guoying Wang, Xing Zhang, Ying Han, Zhan Gao, Dacheng Zhang
  • Patent number: 11887521
    Abstract: A pixel circuit may include a light-emitting element, a driving transistor which applies a driving current to the light-emitting element, a storage capacitor connected to a control electrode of the driving transistor, a data voltage-applying transistor which applies a data voltage to the storage capacitor, an emission transistor which connects the driving transistor to the light-emitting element in response to an emission signal, and a bias capacitor disposed between a first electrode of the driving transistor and a control electrode of the emission transistor.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: January 30, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Gunwoo Yang
  • Patent number: 11881140
    Abstract: A display panel is provided. The display panel includes a display array and a plurality of shift registers. The display array is disposed in an active region. The shift registers are disposed in the active region, and configured to drive the display panel. Each shift register is divided into a plurality of sub-circuits including a first sub-circuit and a second sub-circuit. The first sub-circuit is disposed in a first column of the display array. All first sub-circuits disposed in the first column are coupled to at least one global signal line. The second sub-circuit is disposed in a second column of the display array. The second sub-circuit disposed in the second column are serially coupled as at least one string through a plurality of jump signal lines.
    Type: Grant
    Filed: December 28, 2022
    Date of Patent: January 23, 2024
    Assignee: AUO Corporation
    Inventor: Cheng-Hsing Lin
  • Patent number: 11881189
    Abstract: The present invention provides a display device and a control method thereof. The display device includes a display panel and a voltage processing module. The display panel includes a common electrode and a plurality of data lines; wherein the voltage processing module is connected to the common electrode to determine a difference between a common voltage signal in an nth frame and a standard voltage, and is connected to at least one of the common electrode and the plurality of data lines, and controls a voltage of the at least one of the common electrode and the plurality of data lines in an (n+k)th frame, wherein both n and k are positive integers.
    Type: Grant
    Filed: August 15, 2022
    Date of Patent: January 23, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yong Sun, Huangzheng Liu, Weijie Chen, Jinmei Zhou
  • Patent number: 11881175
    Abstract: A pixel driving circuit, a display panel, and a display device. The pixel driving circuit includes a driving transistor, a data-writing sub-circuit; and a voltage stabilization sub-circuit. The voltage stabilization sub-circuit is coupled to a first control terminal of the driving transistor and is configured to keep a voltage at the first control terminal of the driving transistor to be stable in a reset stage. The voltage at the first control terminal of the driving transistor is kept stable through the voltage stabilization sub-circuit in the reset stage, so that the voltage at the output of the driving transistor is relatively constant, characteristics of a switching element of the driving transistor is ensured, an effect of homogeneous luminance is realized, and a display effect and a stability of displaying of the display panel are improved.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: January 23, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Xiufeng Zhou, Xin Yuan, Rongrong Li
  • Patent number: 11881149
    Abstract: The signal processing device according to an embodiment of the present disclosure includes: a frame buffer to store an input image and output an output image, an output synchronization signal calculator to calculate an output synchronization signal based on an input synchronization signal and a size or a position of the output image in comparison with the input image, and an output synchronization signal output interface to output a variable output synchronization signal of which a start timing changes based on a signal from the output synchronization signal calculator, wherein a difference between a start timing of the input synchronization signal and a start timing of the output synchronization signal changes based on the size of the output image. Accordingly, a delay time may be reduced in response to the output image having a size different from a size of the input image being output.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: January 23, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Hyunchul Noh, Kyejong Yim
  • Patent number: 11881182
    Abstract: Aa light-emitting device driver chip, a backlight module, and a display panel are provided. The light-emitting device driver chip includes at least two current control circuits and a parallel control circuit. Each of the at least two current control circuits includes a current control module. A control output node of the current control module is electrically connected to a corresponding one of the output ports. The parallel control circuit is electrically connected between the at least two current control circuits and is configured to control, according to a parallel control signal received from a first input port, the current control modules of the at least two current control circuits to be electrically connected to enable the current control modules of the at least two current control circuits to output the same current to corresponding ones of the output ports through the control output nodes.
    Type: Grant
    Filed: August 29, 2022
    Date of Patent: January 23, 2024
    Assignee: TCL China Star Optoelectronics Technology Co., Ltd.
    Inventor: Xiaoying Guo
  • Patent number: 11880240
    Abstract: The present embodiment may comprise: a display module; a link assembly connected to the display module; and a rotation mechanism connected to the link assembly so as to rotate the link assembly. In addition, the link assembly may comprise: a pair of links; and a link joint to which each link, of the pair of links, is rotatably connected. At least one link, of the pair of links, may comprise: an arm from which at least one gear coupling part protrudes; a gear; and a fastening member for fastening the gear to the gear coupling part. A first fastening hole may be formed in the gear coupling part; a second fastening hole, matching with the first fastening hole, may be formed in the gear; and the fastening member may couple the gear to the gear coupling part by being inserted in the first fastening hole and the second fastening hole.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: January 23, 2024
    Assignee: LG ELECTRONICS INC.
    Inventor: Jonggil Pyo
  • Patent number: 11881173
    Abstract: This application provide a display module and an electronic device, to reduce a probability of a display flicker. A display module includes a display, a display driver circuit, and at least one driver group; the display includes M rows of sub pixels; each driver group includes M gating circuits; an Nth gating circuit is configured to: receive a first initial voltage Vinit1 and a second initial voltage Vinit2 from the display driver circuit, output the second initial voltage Vinit2 to a second electrode of a first reset transistor and a first electrode of a voltage modulation transistor, and output the first initial voltage Vinit1 to the second electrode of the first reset transistor and the first electrode of the voltage modulation transistor.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: January 23, 2024
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Chun Yen Liu, Ying Chieh Chen, Chihche Liu, Dustin Yuk Lun Wai, Chiaching Chu
  • Patent number: 11875745
    Abstract: A display may have an array of pixels each of which has a light-emitting diode such as an organic light-emitting diode. A drive transistor and an emission transistor may be coupled in series with the light-emitting diode of each pixel between a positive power supply and a ground power supply. The pixels may include first and second switching transistors. A data storage capacitor may be coupled between a gate and source of the drive transistor in each pixel. Signal lines may be provided in columns of pixels to route signals such as data signals, sensed drive currents from the drive transistors, and predetermined voltages between display driver circuitry and the pixels. The switching transistors, emission transistors, and drive transistors may include semiconducting-oxide transistors and silicon transistors and may be n-channel transistors or p-channel transistors.
    Type: Grant
    Filed: February 21, 2023
    Date of Patent: January 16, 2024
    Assignee: Apple Inc.
    Inventors: Chin-Wei Lin, Hung Sheng Lin, Shih Chang Chang, Shinya Ono
  • Patent number: 11869444
    Abstract: A display device includes a timing controller for supplying a clock training signal through a data clock signal line in a first period of one frame period, and supplying image data through the data clock signal line in a second period of the one frame period, a data driver for generating a clock signal, based on the clock training signal in a clock training period in the first period, and generating a data signal, based on the clock signal and the image data in the second period, and a pixel unit for displaying an image, based on the data signal. The clock training signal includes a plurality of signal levels, and the data driver determines the clock training period, based on the signal levels of the clock training signal.
    Type: Grant
    Filed: July 28, 2022
    Date of Patent: January 9, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chae Hee Park, Jong Soo Kim, Heen Dol Kim, Ji Ye Lee, Young Suk Jung
  • Patent number: 11871519
    Abstract: A display device includes a driver including flexible circuit boards connected to a display panel. The driver includes a first source circuit board, a second source circuit board, a main circuit board including a controller that generates a power source voltage and applying the power source voltage to each of the first source circuit board and the second source circuit board, and a connector connecting the first source circuit board and the second source circuit board. The connector is electrically connected to a first voltage line that is the most adjacent to the second source circuit board among the voltage lines of the first source circuit board and a second voltage line that is the most adjacent to the first source circuit board among the voltage lines of the second source circuit board.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: January 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventor: Taejin Kim
  • Patent number: 11862070
    Abstract: A source driver includes: a first gradation voltage generation unit generating a gradation voltage of a first polarity supplied to a pixel on a first source line; a first amplifier receiving the gradation voltage of the first polarity to an input end, amplifying it, and outputting a voltage from an output end; a second gradation voltage generation unit generating a gradation voltage of a second polarity opposite to the first polarity to be supplied to a pixel on a second source line provided in the vicinity of the first source line; a second amplifier receiving the gradation voltage of the second polarity to an input end, amplifying it, and outputting a voltage from an output end; and a voltage comparison unit comparing a voltage of the input end of the second amplifier with the voltage of the output end of the second amplifier and outputs a comparison result.
    Type: Grant
    Filed: March 13, 2022
    Date of Patent: January 2, 2024
    Assignee: LAPIS Technology Co., Ltd.
    Inventors: Kenichi Shiibayashi, Kenichi Shigeta
  • Patent number: 11856311
    Abstract: Motion detection in a video signal stream representing a series of rows in one or more image frames includes filtering the video signal stream for one or more features, generating a plurality of masked video signal streams by multiplying the feature video signal stream with a plurality of mask signal streams, which correspond to an image mask region within one or more image frames, determining a value of an intensity-based parameter of the feature in the plurality of mask signal streams, and determining a change in the value of the intensity-based parameter to detect motion over image frames.
    Type: Grant
    Filed: June 14, 2023
    Date of Patent: December 26, 2023
    Assignee: ASPINITY, INC.
    Inventors: Michael Fuhrman, Brandon David Rumberg
  • Patent number: 11854471
    Abstract: The present disclosure provides a method for a display driver system and a display driver system.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: December 26, 2023
    Assignee: NOVATEK MICROELECTRONICS CORP.
    Inventors: Hsu-Chih Wei, Po-Hsiang Fang, Keko-Chun Liang, Che-Wei Yeh, Ju-Lin Huang
  • Patent number: 11854487
    Abstract: A pixel drive circuit, a display panel and a display device. The pixel drive circuit includes a drive transistor, a first compensation capacitor, and a second compensation capacitor. The drive transistor has a first control end, a second control end, an output end, and an input end. The drive transistor is configured as a four-terminal drive device having two control ends, and between each control end and the output end, a compensation element is arranged, so that the compensations to the threshold voltage of the front and rear channels are performed simultaneously when the drive transistor is driven. Meanwhile, each control end is equipped with a capacitor to eliminate the influence of a current difference caused by the threshold voltage of the secondary channel in the 4-terminal device.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: December 26, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Xiufeng Zhou, Xin Yuan, Rongrong Li
  • Patent number: 11854496
    Abstract: The display device includes a display panel in which a first display area and a second display area adjacent to the first display area are defined, a data driving circuit which drives the plurality of data lines, a scan driving circuit which drives the plurality of scan lines, and a driving controller which receives an image signal and a control signal, and controls the data driving circuit and the scan driving circuit based on an operation mode, where the driving controller includes a luminance deviation compensation unit which compensates for luminance deviation of the first display area and the second display area when the operation mode is a multi-frequency mode in which the first display area is driven at a first frequency and the second display area is driven at a second frequency different from the first frequency.
    Type: Grant
    Filed: November 7, 2022
    Date of Patent: December 26, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soon-Dong Kim, Sangan Kwon, Changnoh Yoon, Seungjae Lee
  • Patent number: 11854454
    Abstract: A display device includes blocks each including two or more pixels commonly coupled to a first power line, and a first power voltage controller for determining a margin value of a first power voltage supplied to the first power line, based on load values of the blocks. The first power voltage controller determines the load values based on grayscale values of the pixels included in each of the blocks. The magnitude of the first power voltage is determined to become smaller as the margin value becomes larger. The margin value includes a first margin value. The first power voltage controller determines the first margin value according to a degree of distribution of load values of first blocks arranged in a first direction among the blocks.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: December 26, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ki Hyun Pyun, Hee Sook Park
  • Patent number: 11847978
    Abstract: A display device includes a display panel, a luminance compensator, and a data driver. The display panel includes a plurality of pixels. The luminance compensator is configured to calculate a scaling factor based on a target current, a black image current, and a sensing current. The target current is calculated based on an input current input to the display panel. The sensing current is measured from the display panel. The data driver is configured to generate a data voltage based on input image data to supply the data voltage to the pixels. The data voltage has a voltage level adjusted based on the scaling factor.
    Type: Grant
    Filed: August 8, 2022
    Date of Patent: December 19, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Namjae Lim, Sungjae Park, Seungho Park, Seunghwan Park, Jaehoon Lee, Jinho Lee, Youngwoon Choi
  • Patent number: 11847973
    Abstract: The present disclosure relates to a display device including first pixels disposed in a first pixel area, and connected to first scan lines; second pixels disposed in a second pixel area, and connected to second scan lines; a timing controller configured to supply a first clock signal and a second clock signal to a first clock line and a second clock line, respectively; a first scan driver configured to receive the first clock signal through the first clock line, and to supply a first scan signal to the first scan lines; and a second scan driver configured to receive the second clock signal through the second clock line, and to supply a second scan signal to the second scan lines, wherein the second pixel area has a smaller width than the first pixel area.
    Type: Grant
    Filed: July 22, 2022
    Date of Patent: December 19, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Tae Jeong, Tae Hoon Kwon, Min Ku Lee, Ji Hyun Ka, Seung Kyu Lee, Seung Ji Cha
  • Patent number: 11847982
    Abstract: A backlight LED driver circuit with current regulating function is provided. The backlight LED driver circuit includes: a LED light-emitting element, a first transistor, a first amplifier, a current regulator module, and a voltage regulator module; the current regulator module including a plurality of current channels, each including one second transistor and one third transistor; the voltage regulator module including a fourth transistor, a fifth transistor, and a sixth transistor; the fourth transistor, the fifth transistor, and the sixth transistor in the voltage regulator module and the second transistor and one third transistor of each of the current channels in the current regulator module constitute a current mirror; and the current regulator module further including a decoder configured to generate a signal for controlling on and off states of the plurality of second transistors in the plurality of current channels in response to an input digital control signal.
    Type: Grant
    Filed: July 31, 2023
    Date of Patent: December 19, 2023
    Assignee: X-SIGNAL INTEGRATED CO., LTD.
    Inventors: Guanou Yang, Huijiao Jin
  • Patent number: 11847942
    Abstract: A semiconductor device using a pass transistor is provided. The semiconductor device includes a first circuit, a second circuit, a plurality of input terminals, and an output terminal. The first circuit includes a plurality of first transistors functioning as pass transistors, and the second circuit includes a plurality of second transistors functioning as pass transistors. Note that the number of the first transistors is larger than the number of the second transistors, a gate of the first transistor is supplied with a first signal, and a gate of the second transistor is supplied with a second signal. The first circuit is supplied with grayscale signals through x input terminals, and the first circuit selects y grayscale signals of the grayscale signals with the first signal. The second circuit is supplied with y (y<x) grayscale signals, the second circuit outputs z (z<y) grayscale signals of the y grayscale signals to the output terminal with the second signal.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: December 19, 2023
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kouhei Toyotaka, Kiyotaka Kimura
  • Patent number: 11847977
    Abstract: A display device may include a display panel and a driver circuit. The display panel may include subpixels, data lines, and reference voltage lines. The driver circuit may drive the data lines. A first subpixel may be connected to a first data line and a first reference voltage line. A driving time of the first subpixel may include a first initialization time in which a reference voltage is applied to the first reference voltage line and a first tracking time in which a voltage of the first reference voltage line increases from the reference voltage. During the first tracking time, a first data signal transferred to the first subpixel through the first data line may be changed from a first voltage value to a reference driving voltage value. The first voltage value may be higher than the reference driving voltage value. The display device may reduce a sensing time.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: December 19, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: MooKyoung Hong, Kwangmo Park
  • Patent number: 11842671
    Abstract: A video display unit includes a display panel with gate drivers and source drivers. Each of the source drivers receives an encoded analog signal representing a video stream over a transmission medium and decodes the signal to produce samples for output to the display. Gate driver control signals synchronize the gate drivers with the source drivers. The source drivers are integrated with the display panel glass in part or in whole. Amplifiers and level shifters of each source driver are implemented on the panel glass and the collector and decoder are not. Or, the amplifiers, shifters and collector are implemented on the panel glass and the decoder is not. Or, the amplifiers, shifters, collector and decoder of each source driver are implemented on the panel glass. The source drivers may drive a display of a mobile device. Thin-film transistors are used to implement the source drivers on glass.
    Type: Grant
    Filed: March 3, 2023
    Date of Patent: December 12, 2023
    Assignee: HYPHY USA INC.
    Inventor: Alex Henzen
  • Patent number: 11843762
    Abstract: A switchable floating image display device, including a light-emitting stack layer, a light-emitting pattern stack layer, a transparent barrier layer, an optical imaging module, and a power supply module, is provided. The light-emitting stack layer is configured to generate a first pattern beam. The light-emitting pattern stack layer is configured to generate a second pattern beam. The transparent barrier layer is disposed between the light-emitting stack layer and the light-emitting pattern stack layer. The optical imaging module is configured to enable the first pattern beam to form a first floating image, and enable the second pattern beam to form a second floating image. The power supply module is electrically connected to the light-emitting stack layer and the light-emitting pattern stack layer, and configured determine whether to generate the first or second floating image by switching between the light-emitting stack layer and the light-emitting pattern stack layer to emit light.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: December 12, 2023
    Assignee: Industrial Technology Research Institute
    Inventors: Yi-Hsiang Huang, Yu-Hsiang Liu, Chia-Ping Lin
  • Patent number: 11837165
    Abstract: From a back side of an insulating substrate 90, a laser beam is applied to a spot where an initialization line Vini is superimposed on the semiconductor layer SI that serves as a first conductive terminal of a second initialization transistor T7 while sandwiching an insulating film therebetween. Thus, a gate insulating film 91 and a first interlayer insulating film 92, which are sandwiched between the semiconductor layer SI and the initialization line Vini, disappear by evaporation, and a laser irradiation area LA of the semiconductor layer SI is connected to the initialization line Vini, by which a connection portion CP is formed. As a result, a voltage to be applied to the organic EL element OLED becomes equal to or less than a threshold voltage. Therefore, the organic EL element OLED is constantly in a lighting-off state, and the pixel circuit 11 is constantly kept black.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: December 5, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Tomoo Furukawa
  • Patent number: 11836311
    Abstract: A display device can include a display panel having data lines, gate lines and subpixels; a data driver to supply a video data signal including a first signal segment and a second signal segment maintaining a predetermined voltage difference to each of the data lines, and output readout data in response to signal sensing through each of the data lines; and a touch controller. Also, the video data signal serves as both a display driving signal and a touch driving signal, and in the video data signal, the second signal segment has a variable voltage representing a gray level for image display, the predetermined voltage difference is substantially constantly maintained so the video data signal serves as a touch driving signal, and the first signal segment has a variable voltage configured to maintain the predetermined voltage difference in accordance with the variable voltage of the second signal segment.
    Type: Grant
    Filed: December 23, 2022
    Date of Patent: December 5, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jaehun Jun, Hyunkyu Park
  • Patent number: 11837461
    Abstract: An object is to reduce leakage current and parasitic capacitance of a transistor used for an LSI, a CPU, or a memory. A semiconductor integrated circuit such as an LSI, a CPU, or a memory is manufactured using a thin film transistor in which a channel formation region is formed using an oxide semiconductor which becomes an intrinsic or substantially intrinsic semiconductor by removing impurities which serve as electron donors (donors) from the oxide semiconductor and has larger energy gap than that of a silicon semiconductor. With use of a thin film transistor using a highly purified oxide semiconductor layer with sufficiently reduced hydrogen concentration, a semiconductor device with low power consumption due to leakage current can be realized.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: December 5, 2023
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Jun Koyama, Hiroyuki Miyake, Kei Takahashi, Kouhei Toyotaka, Masashi Tsubuku, Kosei Noda, Hideaki Kuwabara
  • Patent number: 11835820
    Abstract: A display device including a backlight module is provided. The backlight module includes: a substrate, a backlight cavity, a plurality of light emitting elements, and an optical adjustment layer. The backlight cavity is located on the substrate. The plurality of light emitting elements is disposed in the backlight cavity. The optical adjustment layer covers the plurality of light emitting elements and fills the remaining space of the backlight cavity. The optical adjustment layer has a refractive index n greater than the refractive index no of the air.
    Type: Grant
    Filed: September 20, 2022
    Date of Patent: December 5, 2023
    Assignee: INNOLUX CORPORATION
    Inventors: Chin-Lung Ting, Ming-Hui Chu, Fang-Ho Lin, Chia-Lun Chen, Yen-Liang Chen
  • Patent number: 11836413
    Abstract: A thin film video device is mounted onto a card stock and incorporated into a card, such as a greeting card. The thin film video device comprises a thin film video display coupled to a computer chip and a speaker. The thin film video device is powered by a local power source such as a small battery. The thin film video device is activated when the user unfolds the card, at which time an audiovisual message is displayed on the thin film video display and through the speaker.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: December 5, 2023
    Assignee: Quizzit, Inc.
    Inventors: Daniel A. DeVito, Michael Kubisek
  • Patent number: 11830391
    Abstract: A novel display panel that is highly convenient, useful, or reliable is provided. The display panel includes a display region, a first support, and a second support, the display region includes a first region, a second region, and a third region, the first region and the second region each have a belt-like shape extending in one direction, and the third region is sandwiched between the first region and the second region. The first support overlaps with the first region and is less likely to be warped than the third region, and the second support overlaps with the second region and is less likely to be warped than the third region. The second support can pivot on an axis extending in the one direction with respect to the first support.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: November 28, 2023
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shingo Eguchi, Taiki Nonaka, Daiki Nakamura, Nozomu Sugisawa, Kazuhiko Fujita, Shunpei Yamazaki
  • Patent number: 11832362
    Abstract: The present disclosure discloses a backlight driving circuit and a display device. The backlight driving circuit includes a power supply chip, light-emitting diodes connected to the power supply chip, and a voltage protection sub-circuit connected to both the light-emitting diodes and the power supply chip. By adding the voltage protection sub-circuit, when a negative terminal voltage of the light-emitting diode is abnormal, the voltage protection sub-circuit will output a feedback signal to the power supply chip to stop the power supply chip from working, thereby improving reliability of the backlight driving circuit.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: November 28, 2023
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Shijiong Tang
  • Patent number: 11830453
    Abstract: A display apparatus includes a liquid crystal panel, a power supply, a backlight unit including a plurality of sub-blocks configured to radiate light to the liquid crystal panel, and a controller configured to determine a peak voltage and a source voltage supplied to each of the plurality of sub-blocks. Each of the plurality of sub-blocks includes a first switching element configured to receive the peak voltage as a gate voltage, and a second switching element including a drain terminal connected to a source terminal of the first switching element, the second switching element configured to receive an amount of charges corresponding to the source voltage through a gate terminal.
    Type: Grant
    Filed: May 12, 2022
    Date of Patent: November 28, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jonghoon Jung, Sungyeol Kim, Seungyong Shin, Junsung Choi