Patents Examined by Amr Awad
  • Patent number: 12170042
    Abstract: There is provided a detection circuit, a display panel and a detection method. The detection circuit includes: a conversion circuit configured to acquire a photoelectric sensing signal in real time and convert the acquired photoelectric sensing signal into a luminance value; a storage circuit configured to store N luminance values from the conversion circuit on a first input first output basis; a discrimination circuit connected to the storage circuit and configured to determine whether at least two of the N luminance values meet a preset condition; and an output circuit connected to the discrimination circuit and the storage circuit, and configured to output a preset default luminance value in response to the at least two luminance values meeting the preset condition and output at least one of the N luminance values in response to the at least two luminance values not meeting the preset condition.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: December 17, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Lianghao Zhang, Xinle Wang, Yifan Song, Wenchao Han, Zhaohui Meng, Wanzhi Chen, Jing Liu
  • Patent number: 12165553
    Abstract: A gate driver includes: a pull-up circuit configured to pull up a gate output signal to a high voltage in response to a signal at a first node of the pull-up circuit; a first pull-down circuit configured to pull down the gate output signal to a low voltage in response to a signal at a second node of the first pull-down circuit; a second pull-down circuit configured to pull down the gate output signal to the low voltage in response to a signal at a third node of the second pull-down circuit; a first selection circuit configured to activate the first pull-down circuit and deactivate the second pull-down circuit based on a first selection signal; and a second selection circuit configured to activate the second pull-down circuit and deactivate the first pull-down circuit based on a second selection signal.
    Type: Grant
    Filed: January 10, 2023
    Date of Patent: December 10, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hai-Jung In, Chulkyu Kang, Kimyeong Eom, Soon-Gi Kwon, Min Jeong Kim
  • Patent number: 12154472
    Abstract: An electronic device. The electronic device includes a first processor configured to generate a first display signal, and a second processor configured to generate a second display signal and output to a display area. The second processor includes a forwarding module, the first processor is connected to the forwarding module, and the first display signal generated by the first processor is output to the display area through the forwarding module.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: November 26, 2024
    Assignee: LENOVO (BEIJING) LIMITED
    Inventors: Jingang Peng, Feng Shen
  • Patent number: 12148338
    Abstract: The present disclosure provides a display module and an electronic terminal. The display module includes a panel including a display area and a non-display area on at least one side of the display area, where a gate driving circuit is disposed in the non-display area; and a gate control chip including a first output pin and a second output pin, where both the first output pin and the second output pin are electrically connected to the gate driving circuit, where, the gate control chip is configured to, when a first signal outputted from the first output pin is abnormal, control the second output pin to output a second signal, and control the first output pin not to output the first signal.
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: November 19, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yunhai Bai, Guoqing Gao, Xinying Luo, Jinao Chen, Jianzhong Xiao, Mingyao Chen
  • Patent number: 12148328
    Abstract: A spliced screen and a display device are disclosed. The spliced screen includes: a spliced unit screen, wherein the spliced unit screen includes a plurality of unit screens, and a splicing gap is defined between the unit screens adjacent to each other; a light-emitting diode (LED) strip light, wherein the LED strip light is disposed on the splicing gap; and a light-emitting cover plate, wherein the light-emitting cover plate is disposed above the spliced unit screen. By disposing the light-transmitting cover plate, the splicing gap between the unit screens adjacent to each other can be eliminated by the LED strip light without forming an uneven display surface of the spliced screen. Therefore, an entire visual effect of the spliced screen is improved.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: November 19, 2024
    Assignees: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Ping Luo
  • Patent number: 12141392
    Abstract: The present invention discloses a display panel and a display device. The display panel comprises a plurality of common electrode blocks and a plurality of display regions. During a display period, one or more common electrode blocks corresponding to one of the display regions which is to be displayed during the display period are coupled to a common voltage; and during the display period, one or more of the common electrode blocks corresponding to the display regions which are not to be displayed during the display period are kept in a floating state.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: November 12, 2024
    Assignee: Novatek Microelectronics Corp.
    Inventors: Keko-Chun Liang, Jhih-Siou Cheng, Hsu-Chih Wei, Jui-Chan Chang, Ju-Lin Huang, Po-Ying Chen, Wen-Yi Hsieh
  • Patent number: 12142202
    Abstract: This application discloses a display brightness adjustment method, including: an electronic apparatus obtains a to-be-displayed image and calculates an average pixel level APL of the to-be-displayed image. The electronic apparatus determines, based on the third light adjustment curve, an actual display brightness value corresponding to the average pixel level of the to-be-displayed image. The electronic apparatus adjusts display brightness of the to-be-displayed image based on the actual display brightness value. In this way, impact exerted on contrast when brightness is turned down at a low APL can be ensured, and a high contrast effect of image brightness of an HDR display can be ensured.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: November 12, 2024
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventor: Xiufeng Zhang
  • Patent number: 12135585
    Abstract: Disclosed are techniques for automatically aligning a wrist-mounted display device to a primary display device to facilitate simultaneous use of both display devices. Historical usage information corresponding to a user using both devices is leveraged to determine usage patterns for the devices together. Subsequently, when the primary display device is used by the user, the usage patterns are used to determine when the wrist-mounted display device can be used together with the primary display device. Position information from each device is used to determine a position for the wrist-mounted display device to automatically relocate to for aligning the wrist-mounted display device and the primary display device to have similar viewing directions. The wrist-mounted display device is automatically aligned to the position, and a usage of the aligned wrist-mounted display device is initiated based on the historical usage patterns.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: November 5, 2024
    Assignee: International Business Machines Corporation
    Inventors: Venkata Vara Prasad Karri, Sarbajit K. Rakshit, Saraswathi Sailaja Perumalla, Sirisha Akella
  • Patent number: 12136373
    Abstract: A pixel circuit includes a first transistor, a second transistor including a control electrode receiving a write gate signal generated based on clock signals having a duration of M horizontal time, M being a positive integer greater than or equal to 2, a first electrode receiving a data voltage, and a second electrode electrically connected to the first transistor, a third transistor including a control electrode receiving a compensation gate signal generated based on a first next write gate signal applied after the write gate signal is applied, a first and second electrodes electrically connected to the first transistor, and a fourth transistor including a control electrode receiving an initialization gate signal generated based on a previous write gate signal applied before the write gate signal is applied, a first electrode receiving a first initialization voltage, and a second electrode electrically connected to the first transistor.
    Type: Grant
    Filed: March 9, 2023
    Date of Patent: November 5, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sunho Kim, Yoomin Ko, Juchan Park, Pilsuk Lee
  • Patent number: 12136372
    Abstract: Disclosed are a display driver for a low power driving and a timing controller for the display device. The display device may include the timing controller configured to transmit a packet to which one of first option information corresponding to a static pattern or second option information corresponding to a dynamic pattern is applied, and a source driver configured to receive the packet and to perform a low power mode corresponding to the static pattern based on the first option information or adaptive charge sharing corresponding to the dynamic pattern based on the second option information.
    Type: Grant
    Filed: December 16, 2022
    Date of Patent: November 5, 2024
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Nam Seok Seo, Sea Ho Kim, Hae Ju Kim, Je Jin Myoung, Won Sik Chae
  • Patent number: 12135590
    Abstract: An electronic device is provided. The electronic device includes a housing and a sensor module disposed in at least a portion of the housing. The sensor module includes a fingerprint recognition sensor, a protective layer covering the fingerprint recognition sensor, an adhesive member placed on the protective layer, and a ceramic layer placed on the adhesive member, wherein the edge of the ceramic layer, the edge of the adhesive member, and the edge of a part of the protective layer include machined surfaces. Other embodiments are also possible.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: November 5, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byungseon Hwang, Deokhee Lee, Sunggyu Lee
  • Patent number: 12131089
    Abstract: A display control system includes a personal attribute information acquirer, a content specifier, and a display output. The personal attribute information acquirer acquires personal attribute information indicating an attribute of people present in an area including a vicinity of a display area for displaying video content based on a captured image of the area. The content specifier specifies target video content items, which are video content items to be displayed on the display area, based on the personal attribute information. The display output sets a plurality of screen areas in the display area based on the number of the target video content items and allocates and outputs the target video content items to the plurality of screen areas.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: October 29, 2024
    Assignee: SHARP NEC DISPLAY SOLUTIONS, LTD.
    Inventor: Ryoichi Araki
  • Patent number: 12118964
    Abstract: A display controller having an automatic data underrun recovery function, comprising: a direct memory access (DMA) controller coupled to an image data processor; the image data processor coupled to an image layer synthesizer; the image layer synthesizer coupled to a first-in first-out (FIFO) memory; a display timing generation circuit (DTC) coupled to the FIFO memory, the display timing generation circuit (DTC) being coupled to an external display device; and an underrun state machine separately coupled to the display timing generation circuit (DTC), an underload data counter, the DMA controller, the image data processor, the image layer synthesizer, and the FIFO memory. The provided display controller has an automatic data underrun recovery function.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: October 15, 2024
    Assignee: NANJING SEMIDRIVE TECHNOLOGY CO., LTD.
    Inventor: Qiaoyu Ye
  • Patent number: 12118906
    Abstract: A method for sensing a display panel includes: sensing an electrical characteristic parameter of a driving transistor of a pixel circuit of a sub-pixel in an X-th row in a blank stage between an N-th frame and an (N+1)-th frame, wherein X is a random number, and both N and X are positive integers.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: October 15, 2024
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xiaolong Wei, Fei Yang, Song Meng, Jingbo Xu, Jianbo Xian
  • Patent number: 12112677
    Abstract: The present application discloses a drive circuit. The drive circuit includes: a first module, configured to generate image data; and a second module, configured to set a state value corresponding to the next image data based on a frame refresh rate corresponding to the current image data, a state value corresponding to the current image data and a state value corresponding to the previous image data.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: October 8, 2024
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Jhenwei He
  • Patent number: 12106598
    Abstract: A fingerprint sensing device has a sensing area, an operation area, and a peripheral area, and the operation area is disposed between the sensing area and the peripheral area. The fingerprint sensing device includes a substrate, a sensing element located at the sensing area, an operation element located at the operation area, a first signal line located at the peripheral area, a first planarization layer, a first insulating layer, and a first shading layer. The first planarization layer is located on the substrate and has a first trench, and the first trench overlaps the first signal line. The first insulating layer is located on the first planarization layer and in the first trench, and the first insulating layer has a first opening located in the first trench. The first shading layer is located on the first insulating layer and connected to the first signal line through the first opening.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: October 1, 2024
    Assignee: Au Optronics Corporation
    Inventors: Shu-Wen Tzeng, Yan-Liang Chen, Jui-Chi Lo
  • Patent number: 12094383
    Abstract: A display driver and a charge recycling method are provided. The display driver includes a charging and discharging circuit and a control circuit. A first terminal of the charging and discharging circuit is coupled to at least one of the scan lines, and a second terminal of the charging and discharging circuit is coupled to at least one of the data lines. The control circuit is coupled to a first control terminal and a second control terminal of the charging and discharging circuit. The charging and discharging circuit receives a first current generated by discharging the at least one of the scan lines to charge the capacitor based on a first control signal. The charging and discharging circuit discharges the capacitor to generate a second current for charging the at least one of the data lines based on a second control signal.
    Type: Grant
    Filed: February 21, 2023
    Date of Patent: September 17, 2024
    Assignee: Novatek Microelectronics Corp.
    Inventors: Chieh-An Lin, Keko-Chun Liang, Jhih-Siou Cheng
  • Patent number: 12093085
    Abstract: A system can include a display housing that includes a display; a keyboard housing that includes a keyboard, a processor and memory accessible to the processor; a sensor operatively coupled to the processor; a hinge assembly that rotatably couples the display housing and the keyboard housing; and adjustment circuitry that determines a recommended position for adjustment of the display housing with respect to the keyboard housing using sensor data generated by the sensor.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: September 17, 2024
    Assignee: Lenovo (Singapore) Pte. Ltd.
    Inventors: Mengnan Wang, Barrett J. Bryson, Song Wang
  • Patent number: 12087197
    Abstract: A display driver comprises control circuitry configured to store a default gamma curve, determine a count of in-region pixels of a target pixel in a display panel and neighboring pixels of the target pixel, the in-region pixels being located in a predetermined region of the display panel, and determine a scale factor based on a ratio of the count of the in-region pixels to a total number of the target pixel and the neighboring pixels. The control circuitry also determines a modified gamma curve by scaling the default gamma curve with the scale factor. The display driver further comprises image processing circuitry configured to apply a gamma transformation based on the modified gamma curve to image data defined for the target pixel to generate output voltage data for the target pixel.
    Type: Grant
    Filed: August 11, 2022
    Date of Patent: September 10, 2024
    Assignee: Synaptics Incorporated
    Inventors: Hirobumi Furihata, Tomoo Minaki, Masao Orio, Takashi Nose
  • Patent number: 12086346
    Abstract: This display device includes: a grouping processing unit that groups a plurality of drive lines into a plurality of groups each having a set grouped number of adjacent drive lines; a setting processing unit that sets a display magnification of a display screen according to the grouped number; a display processing unit that causes a display panel to display the display screen in the display magnification; and a determination processing unit that determines, in a state where the display screen is displayed on the display panel in the display magnification, a position of a touch operation on the display screen that is displayed in the display magnification based on an output signal that is output from a plurality of sense lines in response to an input signal that is input to each of the grouped number of drive lines.
    Type: Grant
    Filed: July 6, 2023
    Date of Patent: September 10, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Koichi Sugiyama