Patents Examined by Adam J Snyder
  • Patent number: 11380254
    Abstract: In a display device including pixels that are coupled to data lines, that are supplied with a data signal during a display period, and that are configured to emit light corresponding to the data signal during a bias period, the display device includes a source capacitor coupled to each of the data lines, and a data driver configured to supply the data signal during the display period, to supply a bias signal during a first period in the bias period, and to not supply the bias signal during a second period.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: July 5, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Soo Kim, Woo Chul Kim, Hyun Su Kim, Young Min Bae
  • Patent number: 11380243
    Abstract: The present disclosure provides a shift register and a driving method thereof, a scan driving circuit, a display panel, and a display device. The shift register includes an input module; a control module; a reset module; a first output module; a second output module; and a stabilization module, that a phase of a signal output from the second output module lags behind a phase of a signal output from the first output module, and does not overlap with the phase of the signal output from the first output module.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: July 5, 2022
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Qingjun Lai, Yihua Zhu, Shaorong Yu
  • Patent number: 11361703
    Abstract: A gate driving unit, a gate driving method, a gate driving circuit, a display panel and a display device are provided. The gate driving unit includes a start terminal, a first gate driving signal output terminal, a second gate driving signal output terminal, a pull-up control node control circuit, a pull-up node control circuit, configured to control a potential of a first pull-up node and a potential of a second pull-up node based on the potential of the pull-up control node, a first gate driving signal output circuit, a second gate driving signal output circuit, and a pull-down node control circuit, configured to control and maintain the potential of the pull-down node under the control of a third clock signal and a fourth clock signal, and control to reset the potential of the pull-down node under the control of the potential of the pull-up control node.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: June 14, 2022
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Peng Liu, Bailing Liu, Fuqiang Li, Zhichong Wang, Jing Feng, Xinglong Luan
  • Patent number: 11347335
    Abstract: A touch device includes: a touch panel including a plurality of touch electrodes; a driver/receiver for applying a first driving signal to the touch panel while driven in a first mode, and applying a second driving signal that is different from the first driving signal to the touch panel while driven in a second mode; and a controller for comparing first detection signals received from the touch panel with a first threshold value to obtain first touch data while driven in the first mode, and comparing second detection signals received from the touch panel with a second threshold value to obtain second touch data while driven in the second mode, wherein the controller determines the second threshold value based on at least part of the first detection signals.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: May 31, 2022
    Assignee: HIDEEP INC.
    Inventors: Hwanhee Lee, Seyeob Kim, Bonkee Kim, Hyoungwook Woo, Kiryoung Jung
  • Patent number: 11348538
    Abstract: The present disclosure is directed to systems and methods of optimizing display image quality on display devices having a plurality of display power modes.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: May 31, 2022
    Assignee: Intel Corporation
    Inventors: Junhai Qiu, Nandini Mahendran, Ajit Joshi, Shravan Kumar Belagal Math, Sherine Abdelhak
  • Patent number: 11340739
    Abstract: The present disclosure relates to an input device and a method of producing the device. The input device includes a flat panel defining an array of control surfaces, a support disposed on a side of the panel facing away from an operator, and a flat film layer structure disposed between the flat panel and the support which defines an array of capacitive sensors; wherein each capacitive sensor forms a measuring capacitance assigned to one of the control surfaces; wherein the support forms at least one web, which protrudes towards the flat panel and connects to the flat panel to fix the film layer structure between the flat panel and the support.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: May 24, 2022
    Assignee: Preh GMBH
    Inventors: David Heurich, Matthias Lembach, Ronald Schmidt
  • Patent number: 11335276
    Abstract: A display driving device, which adjusts a brightness of an image on the basis of an ambient illumination even without an increase in amount of power consumption, includes a controller determining a clipping ratio for clipping input image data by using an ambient illumination value when the ambient illumination value is input thereto, a gain calculator calculating a frame gain which is to be applied to the input image data, based on the clipping ratio, an input image clipping unit clipping the input image data by applying the frame gain in the input image data, and a gamma converter gamma-converting clipped input image data to generate output image data.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: May 17, 2022
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Jin Ho Lee, Heung Lyeol Lee, Hyun Kyu Jeon
  • Patent number: 11328652
    Abstract: A gate driving unit, a gate driving method, a gate driving circuit, a display panel and a display device are provided. The gate driving unit includes a start terminal, a first gate driving signal output terminal, a second gate driving signal output terminal, a pull-up control node control circuit, a pull-up node control circuit, configured to control a potential of a first pull-up node and a potential of a second pull-up node based on the potential of the pull-up control node, a first gate driving signal output circuit, a second gate driving signal output circuit, and a pull-down node control circuit, configured to control and maintain the potential of the pull-down node under the control of a third clock signal and a fourth clock signal, and control to reset the potential of the pull-down node under the control of the potential of the pull-up control node.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: May 10, 2022
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Peng Liu, Bailing Liu, Fuqiang Li, Zhichong Wang, Jing Feng, Xinglong Luan
  • Patent number: 11328672
    Abstract: A shift register unit and a driving method thereof, a gate driving circuit, and a display device are provided. The shift register unit includes: a first input circuit, a second input circuit, an output circuit, and a compensation circuit, the first input circuit is configured to write a first input signal to the first node in response to a first control signal; the second input circuit is configured to input a second input signal to the second node in response to a detection control signal and configured to transmit a level of the second node to the first node in response to a second control signal; the compensation circuit is configured to compensate the level of the second node; and the output circuit is configured to output a composite output signal to the output terminal under control of a level of the first node.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: May 10, 2022
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuehuan Feng, Yongqian Li
  • Patent number: 11315473
    Abstract: A gate-on-array (GOA) driving circuit is provided, and the GOA driving circuit includes a plurality of cascading GOA driving units. Each of the GOA driving units further includes a first GOA driving sub-unit including a first signal source and a second GOA driving sub-unit including a second signal source. The first GOA driving sub-unit operates when the first signal source transmits a first signal with a high voltage, and the second GOA driving sub-unit transmitting a second signal operates when the first signal source transmits the first signal with a low voltage.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: April 26, 2022
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Haiyan Quan, Xiaowen Lv
  • Patent number: 11315513
    Abstract: A driving circuit for display panel is provided. Wherein, a first and a second power supply circuits produce a first and a second supply voltages. The electric charge provided by the second power supply circuit is less than that provided by the first power supply circuit. A plurality of drivers include a plurality of first power input terminals and a plurality of second power input terminals. The first power input terminals are coupled to the first power supply circuit and receives the first supply voltage. The second power input terminals are coupled to the second power supply circuit and receives the second supply voltage. The drivers increase the voltage levels of a plurality of gate signals in a voltage rising period according to the first supply voltage. The drivers hold the voltage levels of gate signals in a voltage holding period according to the second supply voltage.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: April 26, 2022
    Assignee: Sitronix Technology Corp.
    Inventors: Kuan-Chao Liao, Sheng-Yu Lin
  • Patent number: 11308872
    Abstract: The present disclosure relates to an OLED display panel for minimizing the size of a bezel and includes: an active area including data lines, scan lines intersecting the data lines, and sub-pixels arranged at each intersection; and a stage of a GIP driving circuit distributed and arranged in a plurality of unit pixel regions driven by m (m being a natural number) scan lines in the active area, to supply scan pulses to the corresponding scan lines, wherein the active area further includes m GIP internal connection lines parts respectively adjacent to the m scan lines, and a plurality of internal connection lines for connecting elements constituting each stage is distributed and arranged in the m GIP internal connection line parts.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: April 19, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kyung-Min Kim, In-Hyo Han, Hun-Ki Shin
  • Patent number: 11307699
    Abstract: A display device includes: a base substrate; a light emitting element located on the base substrate; a thin-film encapsulation layer located on the light emitting element; touch electrodes located on the thin-film encapsulation layer, each of the touch electrode including an opening; and a strain gauge including: resistance lines located in the openings, respectively, the resistance lines located in the same layer as the touch electrodes and having variable resistance values changed in response to a touch input; a first connection line connecting two resistance lines neighboring each other along a first direction; and a second connection line connecting two resistance lines neighboring each other along a second direction, the second direction intersecting the first direction, wherein the first connection line and the second connection line are located between the thin-film encapsulation layer and the resistance lines.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: April 19, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ga Young Kim, Jang Hui Kim, A Ra Jo
  • Patent number: 11307418
    Abstract: A display apparatus includes a display element, a micro lens array, and a first light shielding element. The display element provides sub-image beams. The micro lens array is located in a transmission path of the sub-image beams, and has optical regions and first connection portions. Each first connecting portion is adapted to connect at least two adjacent optical regions, and each optical region is adapted to allow each sub-image beam to penetrate. The first light shielding element is located between the display element and the micro lens array, and has first light shielding regions and first light transmission regions. Each first light transmission region is disposed corresponding to each optical region and is adapted to allow each sub-image beam to penetrate. Each first light-shielding region is disposed corresponding to each first connecting portion and is adapted to prevent each sub-image beams from passing through each first connecting portion.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: April 19, 2022
    Assignee: Coretronic Corporation
    Inventors: Hung-Ta Chien, Hsin-Hsiang Lo, Chuan-Chung Chang
  • Patent number: 11302242
    Abstract: A shift register unit, a driving method thereof, a gate driving circuit and a display device are provided. The shift register unit includes a reset circuit and a reset control circuit, the reset circuit is connected to a pull-up node, and configured to reset a potential of the pull-up node during a reset stage; and the reset control circuit is connected to the reset circuit and configured to maintain the potential of the pull-up node at a first voltage during an output stage of each display period.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: April 12, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuainan Liu, Lidong Wang, Huan Bao, Jianye Tang, Desheng Xiang
  • Patent number: 11301102
    Abstract: Disclosed is a display device having touch sensors which may improve visibility. In the display device, the touch sensors having a multilayer structure including a blackened layer are arranged on an encapsulation assembly arranged to cover light emitting elements, and touch pads having a multilayer structure including a partially transparent conductive layer are arranged on a region of a substrate exposed by the encapsulation assembly. Therefore, the blackened layer may prevent reflection of external light and thus visibility may be improved, and the partially transparent conductive layer may lower sheet resistance of the touch pads and thus contact resistance between the touch pads and a driver integrated circuit may be reduced.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: April 12, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Yong-Il Kim, Chang-Hyun Song
  • Patent number: 11302241
    Abstract: Embodiments of the present disclosure provide a pixel circuit and a driving method thereof. The pixel circuit includes a data write circuit, which provides a data signal to a first node according to a control signal, a first control circuit, which provides a threshold compensation signal or an initialization signal to a second node according to the control signal, a capacitor, which stores a voltage difference between the first node and the second node, a second control circuit, which provides a first voltage signal to the driving circuit according to the control signal, a compensation circuit, which provides the threshold compensation signal to the first control circuit, a driving circuit, which provides a driving current to the light emitting device according to the voltage of the first node and the first voltage signal, and a light emitting device, which emits light according to the driving current.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: April 12, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Jiawei Qu
  • Patent number: 11296305
    Abstract: A foldable display device including: a display panel; an input sensor directly disposed on the display panel and having an upper surface; an anti-reflector disposed on the upper surface of the input sensor, the anti-reflector including: a polarizer; and at least one lower retarder disposed between the input sensor and the polarizer; an upper retarder disposed on the anti-reflector, the upper retarder having a Young's modulus of about 4 GPa to about 100 GPa; a window disposed on the upper retarder and having an upper surface facing away from the upper retarder; and at least one adhesion member disposed between the input sensor and the window, wherein a thickness from the upper surface of the input sensor to the upper surface of the window is about 130 ?m to about 540 ?m.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: April 5, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Minju Oh, Heeyoung Lee
  • Patent number: 11289038
    Abstract: The present disclosure relates to the field of display technology and, in particular, to a pixel charging method, a pixel charging circuit, a display device, and a display control method. The pixel charging method includes acquiring a state of a backlight source and adjusting a charging time of a sub-pixel corresponding to the backlight source according to the state of the backlight source. When the backlight source is in an on state, the charging time of the sub-pixel corresponding to the backlight source is a first charging time. When the backlight source is in an off state, the charging time of the sub-pixel corresponding to the backlight source is a second charging time, the second charging time being shorter than the first charging time.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: March 29, 2022
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhihua Sun, Yinshu Zhang, Jian Li, Senwang Li, Guohuo Su, Jianhua Huang, Hui Zhang
  • Patent number: 11281422
    Abstract: A method and a device of displaying video data are provided. The method includes receiving playing-window filling data sent from a server, determining player information, playing window information and a data channel identifier based on the playing-window filling data, displaying a player interface corresponding to the player information at a client, determining the playing window corresponding to the playing window information based on the player interface, and displaying the video data corresponding to the data channel identifier in the playing window. The technical solutions of the present disclosure ensure that the player interface synchronizes with the playing window for video data, so that the client may correctly display the video data and the user experience may be improved.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: March 22, 2022
    Assignee: NEW H3C CLOUD TECHNOLOGIES CO., LTD.
    Inventors: Lei Hao, Yonggang Zeng