Display Driving Control Circuitry Patents (Class 345/204)
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Patent number: 11277160Abstract: Technologies for dynamic wireless noise mitigation include a computing device having a wireless modem and one or more antennas. The computing device activates one or more components of the computing device, monitors platform activity, and measures wireless noise received by the antennas. The computing device trains a noise prediction model based on the platform activity and the measured noise. The computing device may monitor platform activity and predict a noise prediction with the noise prediction model based on the monitored activity. The computing device may mitigate wireless noise received by the wireless antennas based on the noise prediction. The computing device may provide the noise prediction to the wireless modem. Other embodiments are described and claimed.Type: GrantFiled: April 6, 2020Date of Patent: March 15, 2022Assignee: Intel CorporationInventors: Shahrnaz Azizi, Vinod Kristem, Jie Gao, Eduardo Alban, Kae-an Liu, Janardhan Koratikere Narayan, Xintian Lin, Ulun Karacaoglu, Atsuo Kuwahara, Timothy F. Cox, Vallabhajosyula Srinivasa Somayazulu, Maruti Gupta Hyde
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Patent number: 11270659Abstract: A liquid crystal display apparatus includes: a liquid crystal display panel having a first substrate, a second substrate, and a vertical alignment type liquid crystal layer; and a control circuit configured to generate a display signal voltage. The first substrate has pixel electrodes to which the display signal voltage is applied, and a first alignment film. The second substrate has a counter electrode to which a common voltage is applied, and a second alignment film. Each pixel has liquid crystal domains having different reference alignment directions defined by the first and second alignment films. The pixel electrode has slits. The control circuit is configured to generate, as the display signal voltage, a voltage obtained by adding a predetermined offset voltage to an original voltage corresponding to a gray level. The offset voltage is substantially the same for gray levels higher than or equal to a predetermined intermediate gray level.Type: GrantFiled: March 10, 2020Date of Patent: March 8, 2022Assignees: SAKAI DISPLAY PRODUCTS CORPORATION, SHARP KABUSHIKI KAISHAInventors: Ichiro Takada, Kentaroh Irie, Mitsuaki Hirata, Fumikazu Shimoshikiryoh
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Patent number: 11271070Abstract: One embodiment of the present invention provides a highly reliable display device. In particular, a display device to which a signal or a power supply potential can be supplied stably is provided. Further, a bendable display device to which a signal or a power supply potential can be supplied stably is provided. The display device includes, over a flexible substrate, a display portion, a plurality of connection terminals to which a signal from an outside can be input, and a plurality of wirings. One of the plurality of wirings electrically connects one of the plurality of connection terminals to the display portion. The one of the plurality of wirings includes a first portion including a plurality of separate lines and a second portion in which the plurality of lines converge.Type: GrantFiled: May 27, 2020Date of Patent: March 8, 2022Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Kensuke Yoshizumi
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Patent number: 11271014Abstract: A photosensitive device comprising a first oxide thin film transistor and a second oxide thin film transistor. Wherein, a drain of the first oxide thin film transistor is electrically connected to a gate of the second oxide thin film transistor. The photosensitive device according to the present application adopts oxide thin film transistors arranged in a plurality of layers, which greatly improves the response amplitude to ambient light and breaks through the limitations of the single thin film transistor's low light response which makes it impossible to be used as a visible light detecting component. Therefore, the photosensitive device according to the present application can realize detection of ambient light and can expand the scope in which it can be applied.Type: GrantFiled: May 14, 2019Date of Patent: March 8, 2022Inventors: Macai Lu, Nian Liu
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Patent number: 11267793Abstract: Methods and systems are disclosed relating to a lens system that allows for simultaneous focus of near and far-away images with one pair of glasses, heads-up-displays (HUDs), and the like, without the need to move the user's eyes. This lens system may be used in a HUD application, for example, where the user may focus on a display lens that may be approximately one inch from the eye to view computer-generated information such as altitude, temperature, directions, and the like, and simultaneously view the individual's surroundings. The lens system may include a liquid lens that when modulated may vary from a near-focus state to a far-focus state rapidly by using an electrowetting or piezoelectric hydraulic actuator. This variable rate lens may be multiplexed at a rate that allows both near and far-away images to appear in focus simultaneously through the advantageous use of a user's persistence of vision.Type: GrantFiled: October 7, 2019Date of Patent: March 8, 2022Assignee: Valve CorporationInventor: Benjamin David Krasnow
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Patent number: 11270644Abstract: A pixel driving circuit in each of the pixels includes: a first switching circuit that is turned on in response to the (n?2)th scan signal to provide a V1 voltage to a first node, provide a V3 voltage to a third node, and provide a V2 voltage to an anode of the light-emitting element; a second switching circuit turned on in response to the nth scan signal to electrically connect the first node to a second node, provide a V5 voltage to the third node, and provide a data voltage to a fourth node; and an emission control circuit turned on in response to the nth emission signal to electrically connect a second node to the anode and provide a reference voltage to the fourth node.Type: GrantFiled: November 30, 2020Date of Patent: March 8, 2022Assignee: LG Display Co., Ltd.Inventor: Sung Wook Chang
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Patent number: 11270095Abstract: An electronic circuit for driving a panel including touch sensors and fingerprint sensors is provided. The electronic circuit includes a touch sensing circuit, a fingerprint sensing circuit and a display driving circuit. The touch sensing circuit senses a touch of a finger and determines a first area corresponding to the touch on the panel. The fingerprint sensing circuit senses a fingerprint image of the finger corresponding to the first area of the panel. The display driving circuit drives pixels over the panel with respective first gray levels during a first phase, and drives pixels of the first area with respective second gray levels and pixels of a second area outside the first area with respective third gray levels during a second phase. The respective second gray levels are higher than the respective first gray levels, and the respective third gray levels are lower than the respective second gray levels.Type: GrantFiled: July 6, 2020Date of Patent: March 8, 2022Assignee: Novatek Microelectronics Corp.Inventors: Wei-Lun Shih, Tzu-Wen Hsieh, Huan-Teng Cheng, Huang-Chin Tang, Yueh-Teng Mai, Shi-Hao Huang, Jung-Chung Lee
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Patent number: 11271049Abstract: The present disclosure provides an array substrate, a preparation method thereof and a related device. The array substrate includes a plurality of sub-pixel areas, each of the plurality of sub-pixel areas includes a pixel drive circuit and a photo compensation circuit arranged above a substrate, the pixel drive circuit includes a pixel storage capacitor coupled with a drive transistor, and the photo compensation circuit includes a photosensitive storage capacitor coupled with a photosensitive device; and the pixel storage capacitor and the photosensitive storage capacitor are arranged in a laminated manner, and the pixel storage capacitor and the photosensitive storage capacitor share a same electrode plate.Type: GrantFiled: December 20, 2019Date of Patent: March 8, 2022Assignee: BOE Technology Group Co., Ltd.Inventors: Guoying Wang, Zhen Song
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Patent number: 11272149Abstract: The luminance atmosphere that the creator intends is excellently reproduced on the receiving end. The transmission video data is obtained by applying a predetermined opto-electrical transfer function to the input video data. The transmission video data is transmitted together with the luminance conversion acceptable range information about a set region in the screen. For example, a transmitting unit transmits a video stream obtained by encoding the transmission video data while inserting the luminance conversion acceptable range information into a layer of the video stream. The receiving end obtains display video data by applying an electro-optical transfer function corresponding to the predetermined opto-electrical transfer function to the transmission video data, and performing a luminance conversion process in each of the set regions independently in accordance with the luminance conversion acceptable range information.Type: GrantFiled: July 16, 2020Date of Patent: March 8, 2022Assignee: SONY CORPORATIONInventor: Ikuo Tsukagoshi
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Patent number: 11270636Abstract: A pixel circuit and a driving method are provided. The pixel circuit includes a switching transistor, a driving transistor, a storage capacitor, a light emitting device, and a reset module. The reset module is configured to output a reset signal to a gate of the driving transistor according to a reset control signal in a reset signal writing and reset stage, to neutralize bias stress on the driving transistor in a data signal writing and light emitting stage. This suppresses further drift of a threshold voltage and ensures stability of light emitting brightness of a light emitting device.Type: GrantFiled: December 17, 2019Date of Patent: March 8, 2022Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Longqiang Shi
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Patent number: 11269902Abstract: This application discloses a time series data management method, device, and apparatus. A device receives a data query request, wherein the data query request includes an identifier of the first object. The device obtains first time series data corresponding to the first object in a target data table according to the identifier of the first object. The device determines a second storage location that is in a location index table and that is stored in a first storage location corresponding to the first object. Further, the device obtains second time series data of the first object and a third storage location corresponding to the second time series data that are stored in the second storage location, The device also obtains other time series data corresponding to the first object according to the third storage location.Type: GrantFiled: May 23, 2019Date of Patent: March 8, 2022Assignee: Huawei Technologies Co., Ltd.Inventors: Weijie Ou, Zhibiao Chen
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Patent number: 11270645Abstract: The present disclosure provides an organic light emitting display device capable of sensing changes in characteristics due to a heat of an analogue-to-digital converting portion to convert sensing voltages corresponding to the threshold values into digital values with the threshold voltages when the threshold voltages of the driving transistors of an organic light emitting display panel are sensed in each horizontal line unit.Type: GrantFiled: December 11, 2020Date of Patent: March 8, 2022Assignee: LG DISPLAY CO., LTD.Inventors: Mangyu Park, Zonggun Oh, Miso Kim
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Patent number: 11263969Abstract: A pixel circuit, a parameter detection method, a display panel and a display device are provided. The pixel circuit includes a data writing-in circuit, a driving circuit, a reset control circuit, a detection control circuit, and a light emitting element. The detection control circuit is configured to control the connection or disconnection between the first electrode of the light emitting element and the sensing line under the control of a detection control signal provided by the detection control line. The reset control circuit is configured to control the connection or disconnection between the first electrode of the light emitting element and the second electrode of the light emitting element under the control of a reset control signal provided by the reset control line.Type: GrantFiled: July 23, 2020Date of Patent: March 1, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Fei Yang, Song Meng, Xiaolong Wei
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Patent number: 11263979Abstract: The present invention provides a method of driving a display panel and a driving device. The present invention determines sub-pixels shared by sub-pixel rendering technology through comparing differences of the color components, and the sub-pixels shared by the display image are not fixed. Since the sub-pixels with the smallest absolute value of the color component difference are selected for sharing, a contrast of an edge region of an image is improved, and distortion of an edge region of an image is reduced.Type: GrantFiled: December 3, 2019Date of Patent: March 1, 2022Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Bo Yang
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Patent number: 11263958Abstract: A pixel driving circuit and a driving method thereof, a display panel and a display device are provided. A second light emitting control device controls, in a case that a first light emitting control device controls a floating signal to be transmitted to a gate of a drive transistor for a first predetermined time period, a driving current to be transmitted to a light emitting element, and the light emitting element can emit light. In this way, the light emitting element can be driven to emit light after a fluctuation period of a voltage of the gate of the drive transistor during which the floating signal is initially inputted to the gate of the drive transistor is passed, improving the stability of the pixel driving circuit in driving the light emitting element.Type: GrantFiled: July 30, 2020Date of Patent: March 1, 2022Assignee: Shanghai Tianma AM-OLED Co., Ltd.Inventors: Yingteng Zhai, Chenhang Sheng
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Patent number: 11257457Abstract: A display device operating at high speed is provided. The display device includes a pixel provided with a first memory circuit, a second memory circuit, and a display unit, in which the first memory circuit and the second memory circuit are electrically connected to one electrode of the display unit. The operation of the display device includes a first period of writing first image data to the first memory circuit and writing second image data to the second memory circuit, a second period of supplying a first potential to the first memory circuit, a third period of displaying a first image corresponding to the first image data, a fourth period of setting a potential of the one electrode of the display unit to a second potential, a fifth period of supplying the first potential to the second memory circuit, and a sixth period of displaying a second image corresponding to the second image data.Type: GrantFiled: February 14, 2019Date of Patent: February 22, 2022Inventors: Susumu Kawashima, Kouhei Toyotaka, Koji Kusunoki, Kei Takahashi, Kentaro Hayashi
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Patent number: 11257881Abstract: The present invention provides a pixel arrangement structure, a vapor deposition mask and an irregular-shaped display screen. The pixel arrangement structure is used for irregular-shaped display of an irregular-shaped display screen, the pixel arrangement structure is provided with several rows and/or several columns of pixel display units, wherein neighboring rows and/or neighboring columns of the pixel display units are arranged in parallel within an irregular-shaped display region (105). By arranging the pixel display units within the irregular-shaped display region (105) in such a way that the neighboring rows and/or neighboring columns of the pixel display units are parallel rows or columns, a confusion phenomenon at the interface between an irregular-shaped display region (105) and a non-display region (107) on an edge of the irregular-shaped display region (105) can be eliminated.Type: GrantFiled: January 24, 2017Date of Patent: February 22, 2022Assignees: Kunshan New Flat Panel Display Technology Center Co., Ltd., Kunshan Go-Visionox Opto-Electronics Co., Ltd.Inventors: Wang Zhixiang, Hu Siming, Zhang Tingting, Zhu Hui
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Patent number: 11257860Abstract: A micro LED display panel includes a display area, a plurality of micro light-emitting elements and a plurality of micro control elements. The plurality of micro light-emitting elements is disposed in the display area and include a plurality of first color micro LEDs and a plurality of second color micro LEDs. A light wavelength of each of the first color micro LEDs is different from a light wavelength of each of the second color micro LEDs. The plurality of micro control elements is disposed in the display area, and include a plurality of first color micro circuit-chips and a plurality of second color micro circuit-chips. The plurality of first color micro circuit-chips control the plurality of first color micro LEDs, and the plurality of second color micro circuit-chips control the plurality of second color micro LEDs.Type: GrantFiled: January 7, 2021Date of Patent: February 22, 2022Assignee: PlayNitride Display Co., Ltd.Inventors: Pei-Hsin Chen, Yi-Chun Shih, Yi-Ching Chen, Ying-Tsang Liu, Yu-Chu Li, Tzu-Yang Lin, Yu-Hung Lai
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Patent number: 11257446Abstract: A plurality of pieces of serial data are supplied to a liquid crystal display device from an outside. An SI signal selection circuit switches processing target data to be captured between one piece of serial data included in the plurality of pieces of serial data and the plurality of pieces of serial data in accordance with a serial data selection signal. The processing target data captured by the SI signal selection circuit is converted into parallel data by a data conversion circuit. In accordance with one clock pulse of a serial clock, serial-parallel conversion processing is performed in parallel on a plurality pieces of serial data.Type: GrantFiled: August 4, 2020Date of Patent: February 22, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Takahiro Yamaguchi, Shuji Nishi, Shige Furuta, Hiroyuki Adachi, Nami Nagira
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Patent number: 11249595Abstract: Provided are a shift register unit of a gate driving circuit (GOA), a gate driving circuit and a driving method. The shift register unit includes an input sub-circuit, configured to output an input signal to a first node; a pull-up control sub-circuit, configured to charge a pull-up node through a first power supply terminal under the control of a potential of the first node; an output sub-circuit, configured to output a clock signal of a clock signal terminal to an output terminal under the control of a potential of the pull-up node; a first touch control sub-circuit configured to pull down levels of the pull-up node and the output terminal to a second potential through the second power supply terminal under the control of a touch control keeping signal of the touch control keeping signal terminal.Type: GrantFiled: April 17, 2018Date of Patent: February 15, 2022Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wei Xue, Silin Feng, Zhifu Dong
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Patent number: 11249365Abstract: Various embodiments set forth liquid crystal (LC) patterning control systems in which LCs are aligned using locally applied magnetic fields. The index of refraction experienced by light propagating through an anisotropic LC is dependent on orientation. As a result, a phase difference may be imparted to an optical beam that is passed through, or reflected from, an array of LCs whose orientations are controlled via locally applied magnetic fields. In some embodiments, the locally applied magnetic fields may be generated by driving currents through wires that intersect at micro or nanomagnetic particles or at magnetic domains, or by applying voltages to micro or nanocoils wrapped around high-permeability cores, among other things.Type: GrantFiled: September 5, 2019Date of Patent: February 15, 2022Assignee: FACEBOOK TECHNOLOGIES, LLCInventors: Erik Shipton, Oleg Yaroshchuk
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Patent number: 11250796Abstract: A display driving circuit and a liquid crystal display panel are provided. The display driving circuit includes: a control board used to provide a control signal; a plurality of display chips electrically connected to the control board and providing a driving signal according to the control signal; a plurality of equalizing resistors corresponding to the display chips, wherein an end of the equalizing resistors is connected to the control board, and other end of the equalizing resistors is connected to the display chips, and they are used to equalize an impedance the display driving circuit; a plurality of fan-out routes, wherein each of the fan-out routes is connected to the two adjacent display chips; and a pixel bus connected to the plurality of fan-out routes and used to transmit the driving signal to each of pixel units. The present disclosure effectively improves display effect by that mentioned above.Type: GrantFiled: December 12, 2019Date of Patent: February 15, 2022Assignee: SHENZEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Daijin Liu
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Patent number: 11244594Abstract: The present application discloses a gate driver control circuit including an encoder configured to encode instruction information to obtain a coded instruction and to transmit the coded instruction. The gate driver control circuit further includes a decoder coupled to the encoder and configured to decode the coded instruction to obtain the instruction information. Additionally, the gate driver circuit includes at least one multiplexer coupled to the decoder. Each multiplexer is configured to receive a first set of multiple timing-control signals and the instruction information, to adjust the first set of multiple timing-control signals to a second set of multiple timing-control signals based on the instruction information, and to output the second set of multiple timing-control signals. The gate driver control circuit further includes at least one gate-array sub-circuit.Type: GrantFiled: September 21, 2018Date of Patent: February 8, 2022Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.Inventors: Hsinchung Lo, Ming Chen, Jieqiong Wang
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Patent number: 11244134Abstract: Provided are a display panel and display device. The display panel includes a display region and a border region. The border region is provided with a display cascade scanning circuit and a fingerprint-identification cascade scanning circuit. The display region is provided with multiple display scanning lines and multiple fingerprint scanning lines. The display cascade scanning circuit is electrically connected to the multiple display scanning lines and configured to output display scanning signals to the multiple display scanning lines respectively. The fingerprint-identification cascade scanning circuit is electrically connected to the multiple fingerprint scanning lines and configured to generate and output fingerprint scanning signals to the multiple fingerprint scanning lines respectively.Type: GrantFiled: May 6, 2020Date of Patent: February 8, 2022Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Xiai Xu, Xiaoxiao Wu, Bozhi Liu, Min Huang
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Patent number: 11244598Abstract: The present application discloses pixel circuit including a current-control circuit coupled respectively to a first data-signal terminal, a first voltage terminal, a first scan-signal terminal, and a first output node. The current-control circuit is configured to output a driving current to the first output node based on a first data signal and a first voltage signal in response to a first scan signal. The pixel circuit further includes a timing-control circuit coupled respectively to a second data-signal terminal, a second scan-signal terminal, multiple modulation-signal terminals, the first output node, and a second output node. The timing-control circuit is configured to select one modulation signal based on a second data signal in response to a second scan signal and to output the driving current from the current-control circuit via the second output node to a light-emitting device based on the modulation signal.Type: GrantFiled: January 7, 2019Date of Patent: February 8, 2022Assignee: BOE Technology Group Co., Ltd.Inventors: Han Yue, Xiaochuan Chen, Minghua Xuan, Can Zhang, Can Wang, Ming Yang, Ning Cong
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Patent number: 11238769Abstract: The present disclosure provides a shift register unit, including an input sub-circuitry, a pull-up node control sub-circuitry, a pull-down node control sub-circuitry, a gate driving output sub-circuitry and a carry signal output sub-circuitry. The input sub-circuitry is connected to an input end, a second clock signal input end and a pull-up node. The pull-up node control sub-circuitry is connected to the pull-up node, a pull-down node, a first clock signal input end and a first voltage input end. The pull-down node control sub-circuitry is connected to the pull-down node, the pull-up node, the first clock signal input end, the first voltage input end and a second voltage input end.Type: GrantFiled: January 3, 2019Date of Patent: February 1, 2022Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ying Wang, Hongmin Li, Dong Wang, Fengjing Tang
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Patent number: 11238803Abstract: The present disclosure provides a pixel circuit and a method for driving the same, and a display panel. The pixel circuit includes a driving sub-circuit and a light-emitting control sub-circuit. The driving sub-circuit is configured to transmit a first power voltage at a first power signal terminal to a second node. The light-emitting control sub-circuit is configured to: transmit a voltage at the second node and a second power voltage at the second power signal terminal to the first electrode of the first light-emitting element and the second electrode of the first light-emitting element respectively in a first period, to the first electrode of the second light-emitting element and the second electrode of the second light-emitting element respectively in a second period, and to the first electrode of the third light-emitting element and the second electrode of the third light-emitting element respectively in a third period.Type: GrantFiled: July 22, 2020Date of Patent: February 1, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Weixing Liu, Tieshi Wang, Zhiqiang Xu, Shengnan Li, Wanpeng Teng, Chunfang Zhang, Xiaolong Li, Wei Qin, Kai Guo, Kuanjun Peng
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Patent number: 11239436Abstract: Disclosed herein is a display apparatus, including: a foldable substrate; a pixel array section including a plurality of pixels disposed on the substrate and each including an electro-optical device; the foldable substrate being folded at a substrate end portion at least on one side thereof around the pixel array section; a peripheral circuit section disposed on the substrate end portion and adapted to drive the pixels of the pixel array section; and a pad section provided on the substrate end portion on which the peripheral circuit section is provided and adapted to electrically connect the peripheral circuit section to the outside of the substrate.Type: GrantFiled: August 25, 2020Date of Patent: February 1, 2022Assignee: JOLED INC.Inventors: Tetsuo Minami, Katsuhide Uchino
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Patent number: 11231617Abstract: A backlight unit includes a central area and a peripheral area disposed outside the central area, the backlight unit includes a bottom chassis, a plurality of light sources disposed on a surface of the bottom chassis, a reflective layer disposed on the surface of the bottom chassis, where a plurality of light source insertion holes and a plurality of opening patterns are defined through the reflective layer, and a light correction material layer disposed between the bottom chassis and the reflective layer in the peripheral area, where the light source insertion holes expose the light sources, respectively, and the opening patterns are disposed in the peripheral area to expose at least a portion of the light correction material layer in a thickness direction.Type: GrantFiled: November 25, 2020Date of Patent: January 25, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji Eun Nam, Do Hun Kim, Ju Youn Son, Young Keun Lee
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Patent number: 11234127Abstract: A non-transitory computer readable medium contains computer readable codes as a program to execute a method of a mobile device configured to generate an object image from an object disposed to face the mobile device, the method including sensing a motion of the mobile device by using a sensor in a motion detection process, activating a user identification process of photographing the object to generate the object image and determining that the object image represents an authorized user, in response to the sensed motion of the mobile device, and unlocking the mobile device to access a normal mode of the mobile device according to a password input in a security check process of a security mode or according to the determination of the user identification process.Type: GrantFiled: November 9, 2019Date of Patent: January 25, 2022Inventor: Seungman Kim
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Patent number: 11232745Abstract: A flat-panel display device and method to unify response times for all possible grey level transitions in a flat-panel display or an augmented reality display. A pixel drive compensator compares the current frame from a graphics processing unit and two previous frames to compensate for grey-level changes at a pixel level.Type: GrantFiled: April 17, 2020Date of Patent: January 25, 2022Assignee: APPLE INC.Inventors: Aaron L. Holsteen, Xiaokai Li
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Patent number: 11233104Abstract: A light emitting diode display device including: an organic light emitting diode including an anode electrode; a first transistor for providing a current to the anode electrode of the organic light emitting diode; a second transistor for transmitting a voltage to a gate electrode of the first transistor; a first capacitor for storing the voltage transmitted to the gate electrode of the first transistor; and a second capacitor disposed between a first electrode of the second transistor and a data line, wherein the first electrode of the second transistor is directly connected to the anode electrode of the organic light emitting diode.Type: GrantFiled: July 23, 2020Date of Patent: January 25, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Ho Park, Yeon Hong Kim, Jin Yeong Kim, Jin Taek Kim, Soo hyun Moon, Mi Jin Park, Tae Hoon Yang, Sung-Jin Lee, Jin Woo Lee, Kwang Taek Hong
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Patent number: 11233999Abstract: A method implemented in a Virtual or Augmented Reality (VR/AR) system having a display device (112) associated with a user (110) and a central control device (116) involves capturing a video feed from a camera (126) associated with the user (110) or the display device (112), the video feed recording changes in the position of the user (110) in a physical space, compressing the video feed from the camera (126), and transmitting the compressed video feed to the central control device (116) to enable the central control device (116) to determine movement of the user (110) within the physical space.Type: GrantFiled: December 14, 2018Date of Patent: January 25, 2022Assignee: DISPLAYLINK (UK) LIMITEDInventor: Richard Akester
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Patent number: 11227550Abstract: An electronic panel, a display device, and a driving method are disclosed. In the electronic panel, each sub-pixel unit includes a light emitting unit, a pixel driving circuit for driving the light emitting unit to emit light, and a sensing circuit for sensing the pixel driving circuit; the gate driving circuit includes N+1 output terminals, and is configured to output gate scanning signals that turn on the N rows of the plurality of sub-pixel units row by row; the pixel driving circuits of the sub-pixel units in a j-th row are connected to a j-th output terminal of the gate driving circuit to receive the gate scanning signal as a scanning driving signal, and the sensing circuits of the sub-pixel units in the j-th row are connected to a (j+1)-th output terminal of the gate driving circuit to receive the gate scanning signal as a sensing driving signal.Type: GrantFiled: September 26, 2019Date of Patent: January 18, 2022Assignees: HEFEI BOEJO INTTECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xuehuan Feng, Yongqian Li, Zhidong Yuan, Can Yuan
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Patent number: 11227527Abstract: A display panel and a display device are disclosed. The display panel includes a number of sub-pixels formed in a display region. Each sub-pixel includes a light-emitting unit and a drive switch. Each light-emitting unit includes a first electrode, and the drive switch is electrically connected to the first electrode. The light-emitting units in the multiple sub-pixels form a pixel array including a number of pixel columns, and light-emitting units in at least one pixel column of the pixel array correspond to sub-pixels of at least two different colors. The drive switches in the multiple sub-pixels form a drive array including a number of drive columns. The drive array includes two drive columns in which, the drive switches electrically connected to light-emitting units of a same color are connected to a same data line.Type: GrantFiled: May 10, 2018Date of Patent: January 18, 2022Assignee: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD.Inventor: Jianlong Wu
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Patent number: 11223797Abstract: A video device includes at least one of an input connector and an output connector connectible with a video-signal cable, wherein the input connector is connected to a first resistor coupled with a predetermined potential and oppositely connected to a first signal line of the video-signal cable connected to a second resistor of a second video device, and wherein the output connector is connected to a third resistor coupled with a ground potential and oppositely connected to a second signal line of the video-signal cable connected to a fourth resistor of a third video device; and a connection determination part configured to determine a normal connection of the video-signal cable connected to the input connector based on a potential of the first signal line or to determine a normal connection of the video-signal cable connected to the output connector based on a potential of the second signal line.Type: GrantFiled: September 6, 2017Date of Patent: January 11, 2022Assignee: SHARP NEC DISPLAY SOLUTIONS, LTD.Inventor: Nobutaka Yamamoto
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Patent number: 11222572Abstract: Disclosed is a driving apparatus for a display, which drives pixels using a double rate driving (DRD) method. The driving apparatus includes a first latch circuit storing first pixel data, a second latch circuit storing second pixel data, a first selection circuit selecting one of the first pixel data and the second pixel data and outputting selection data, and a second selection circuit selecting one of the selection data of a pair of adjacent first selection units and outputting source data.Type: GrantFiled: December 2, 2020Date of Patent: January 11, 2022Assignee: Silicon Works Co., Ltd.Inventors: Hyun Woo Jeong, Young Uk Chang, Ju Ho Lee
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Patent number: 11215860Abstract: A display panel and a touch display device are provided. The display panel includes a thin film transistor substrate, a planarization layer, and a through hole. The through hole exposes a source/drain electrode of the thin film transistor substrate. A first intermediate layer, a metal wire layer, a second intermediate layer, a first common electrode layer, a first passivation layer, and a first pixel electrode layer are stacked on each other and arranged corresponding to the source/drain electrode at one side of the through hole. A second common electrode layer, a second passivation layer, and a second pixel electrode layer are stacked on each other at another side of the through hole. The first common electrode layer is electrically connected to the metal wire layer, and the first pixel electrode layer is electrically connected to the second pixel electrode layer through and along the through hole.Type: GrantFiled: January 25, 2019Date of Patent: January 4, 2022Inventor: Bangrong Li
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Patent number: 11217143Abstract: A display device includes a substrate, gate lines, a driving circuit, and auxiliary gate lines. The substrate has a display area. The gate lines are disposed on the display area, and are in parallel with a first edge of the display area. The gate lines include a first gate line which is farthest from the first edge. The driving circuit is disposed adjacent to the first edge. The auxiliary gate lines substantially perpendicular to the gate lines are connected to the gate lines, and are in parallel with a second edge of the display area. The auxiliary gate lines include a first auxiliary gate line and at least one auxiliary gate line. The first auxiliary gate line is configured to connect the first gate line to the driving circuit. The at least one auxiliary gate line is disposed between the second edge and the first auxiliary gate line.Type: GrantFiled: October 27, 2020Date of Patent: January 4, 2022Assignee: AU OPTRONICS CORPORATIONInventors: Shih-Wei Lin, Chen-Yi Wu
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Patent number: 11211007Abstract: A pixel structure and a method of driving the same, a display panel and a display device. The pixel structure includes: at least two pixel circuits and a conduction control circuit connected to the at least two pixel circuits. The conduction control circuit is configured to connect the at least two pixel circuits in parallel in response to a first control signal and to connect the at least two pixel circuits in series in response to a second control signal.Type: GrantFiled: April 18, 2019Date of Patent: December 28, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Liang Chen, Lei Wang, Li Xiao, Dongni Liu, Minghua Xuan, Xiaochuan Chen, Shengji Yang, Detao Zhao
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Patent number: 11211022Abstract: The present application provides a GOA circuit, a GOA circuit driving method, a GOA driving circuit and a display device, the GOA circuit includes: a front-end GOA circuit, which is connected to a connection signal input terminal, a reset signal terminal, a first power supply voltage terminal, and a second power supply voltage terminal, a third power supply voltage terminal, a clock signal terminal, and a front-end output terminal, and is configured to output a clock signal at the clock signal terminal to the front-end output terminal when an input signal at the signal input terminal is at an active input level; and a repair circuit, which is connected to the front-end output terminal, a frame start signal, the first power supply voltage terminal, and an output terminal of the GOA circuit.Type: GrantFiled: October 25, 2017Date of Patent: December 28, 2021Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.Inventors: Xin Xiong, Xiong Xiong, Hengzhen Liang, Rongcheng Liu
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Patent number: 11211023Abstract: A display method of a display device and the display device are provided. The display method includes: acquiring an abnormality of signal of a front-end system; outputting a normal timing signal and a specified data signal to a display panel, until an end of a current frame.Type: GrantFiled: March 13, 2018Date of Patent: December 28, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Siqing Fu, Xinghong Liu, Xu Lu, Shuai Hou
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Patent number: 11212382Abstract: A mobile device includes a photographing unit to photograph an object to generate an object image, a display unit having a panel to display a screen, a sensor configured to sense a motion of the mobile device, and a control unit configured to unlock the mobile device to access the normal mode according to either one of a first unlocking process using a password and a second unlocking process using the sensed motion and the object image in response to the sensed motion.Type: GrantFiled: November 8, 2019Date of Patent: December 28, 2021Inventor: Seungman Kim
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Patent number: 11211002Abstract: An electrooptical device and apparatus are disclosed. In one example, an electrooptical device includes a scanning line, a signal line, a feed line to which a low potential is supplied, a pixel circuit, a drive circuit for driving the pixel circuit, a level shift block connected to the signal line, a first capacitor on the level shift block, and a second capacitor formed by a parasitic capacitance between the signal line and the feed line. A video signal voltage is written into the pixel circuit by capacitive coupling between the first capacitor and the second capacitor. The signal line is formed of a first metal layer. The feed line is formed of a second metal layer that is approximately equal in width to the first metal layer. The first metal layer and the second metal layer form the first capacitor and the second capacitor.Type: GrantFiled: September 3, 2019Date of Patent: December 28, 2021Assignee: Sony Semiconductor Solutions CorporationInventor: Naobumi Toyomura
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Patent number: 11205372Abstract: A source driving circuit includes a buffer amplifier configured to generate a driving signal from an original driving signal. The buffer amplifier includes a first amplifier and a second amplifier. A high-level terminal of the first amplifier is coupled to the first power signal terminal, a low-level terminal is coupled to the second power signal terminal, and an output terminal is configured to output a positive polarity driving signal. A high-level terminal of the second amplifier is coupled to the third power signal terminal, a low-level terminal is coupled to the fourth power signal terminal, and an output terminal is configured to output a negative polarity driving signal. The voltage of the second power signal terminal is less than the voltage of the third power signal terminal.Type: GrantFiled: September 23, 2019Date of Patent: December 21, 2021Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yan Yang, Chinghua Hung, Rui Liu, Wei Sun, Ming Chen, Qibing Gu, Xiangyi Chen
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Patent number: 11205396Abstract: The present disclosure provides a display panel, a method for driving the display panel, and a display device. In embodiments of the present disclosure, the display panel includes a display area, where pixels arranged in an array are arranged in the display area, each pixel includes a plurality of sub-pixels, and at least some sub-pixels among the sub-pixels included in each pixel have different colors. The driving method includes: driving, polarities of display signals inputted to some sub-pixels among the sub-pixels having the same color in at least one row of sub-pixels to be different.Type: GrantFiled: December 8, 2019Date of Patent: December 21, 2021Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Zhiwei Zheng, Zhijie Wang, Jiaqian Wu
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Patent number: 11204624Abstract: An electronic device is provided, which includes a first housing, a second housing, a hinge structure, a flexible display configured to form a front surface of the first housing and the second housing while the electronic device is in an unfolded state, a first support member disposed between the flexible display and the first housing, a first bimetal member disposed between the flexible display and the first support member, a first magnet disposed between the flexible display and the first bimetal member, and a second magnet disposed between the flexible display and the second housing. The first bimetal member has a first length at a first temperature and a second length longer than the first length at a second temperature higher than the first temperature. The first support member has a reception space having a length greater than or equal to the first length and less than the second length that provides space for the first bimetal member to bend at the second temperature.Type: GrantFiled: July 30, 2020Date of Patent: December 21, 2021Inventors: Woosik Cho, Taewon Kim
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Patent number: 11199707Abstract: A head-mounted display device including a display panel including a planar portion and a curved portion extending from the planar portion, a controller to provide, to the display panel, a data signal representing an image to be displayed on the planar portion and the curved portion, and a case part on which the display panel is mounted, in which the controller is configured to provide a data signal representing an image that is reduced at a predetermined ratio to the curved portion, as compared with the planar portion.Type: GrantFiled: October 16, 2018Date of Patent: December 14, 2021Assignee: Samsung Display Co., Ltd.Inventors: Dongyong Shin, Jang-Youp Shim
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Patent number: 11200852Abstract: Provided herein may be a display device, which may include a display panel including a pixel column having a first pixel and a second pixel, a first data line coupled to the first pixel, and a second data line coupled to the second pixel, a data driver configured to output a data signal for the pixel column to an output line, a signal distribution circuit configured to receive the data signal through the output line, and to alternately transmit the data signal to the first data line and to the second data line, and a signal transmission circuit coupled between the data driver and the output line, and configured to transmit the data signal to the output line during a first period and a second period, and to block transmission of the data signal during a third period that is between the first period and the second period.Type: GrantFiled: August 6, 2019Date of Patent: December 14, 2021Assignee: Samsung Display Co., Ltd.Inventors: Ok Kwon Shin, Bong Ho Bae, Chong Guk Lee, Myeong Bin Lim, Hyun Ho Lim, Se Hui Jang
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Patent number: 11201123Abstract: A substrate structure includes a glass substrate, a first circuit layer, a second circuit layer, and at least one conductive region. The glass substrate has a first surface and a second surface opposing the first surface. The first circuit layer is disposed on the first surface. The second circuit layer is disposed on the second surface. The conductive region includes a plurality of conductive micro vias. The conductive micro vias penetrate through the glass substrate. The conductive micro vias are electrically connected to the first circuit layer and the second circuit layer, and the conductive micro vias have a via size of 2 ?m to 10 ?m.Type: GrantFiled: November 5, 2019Date of Patent: December 14, 2021Assignee: Unimicron Technology Corp.Inventors: Chun-Hsien Chien, Po-Chen Lin, Wen-Liang Yeh, Chien-Chou Chen