Patents Examined by Van N Chow
  • Patent number: 12045536
    Abstract: An always on display method and an electronic device are provided and relate to the field of terminal technologies, to perform always on display according to a usage status of the electronic device, so that the usage status of the electronic device is vividly and effectively conveyed to a user in a screen-off state, making always on display content more real-time and interesting. The method includes: receiving, by an electronic device, a screen-off event; in response to the screen-off event, entering, by the electronic device, a screen-off state; and displaying, by the electronic device, a first target screen-off animation in a first display area, where the first target screen-off animation is associated with usage data of the electronic device, and the usage data is used to indicate a usage status of the electronic device.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: July 23, 2024
    Assignee: Honor Device Co., Ltd.
    Inventors: Xiaohang Zhang, Liwei Huang, Shishu Yang, Jie Ren
  • Patent number: 12039952
    Abstract: A display apparatus which includes a driver with low power consumption and in which an output voltage of the driver is boosted by a pixel is provided. The source driver in which a logic unit and an amplifier unit operate appropriately by the same low voltage is included, and the pixel has a function of retaining first data, a function of adding second data to the first data to generate third data, and a function of supplying the third data to a display device. Thus, even when a voltage output from the source driver is low, the voltage can be boosted by the pixel; accordingly, the display device can operate appropriately.
    Type: Grant
    Filed: April 13, 2023
    Date of Patent: July 16, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kouhei Toyotaka, Motoharu Saito
  • Patent number: 12033597
    Abstract: The present application discloses a method and a device for eliminating a brightness mura defect of a liquid crystal display, and relates to the technical field of liquid crystal displays. The method disclosed by the present application includes the following steps: acquiring an image to be displayed, wherein the image to be displayed includes a plurality of pixels; determining a compensation coefficient corresponding to each channel of each of the pixels according to an original gray scale value corresponding to each channel of each of the pixels; calculating a compensation gray scale value corresponding to each channel of each of the pixels according to the original gray scale value and the compensation coefficient corresponding to each channel of each of the pixels; and outputting and displaying the image to be displayed according to the compensation gray scale value corresponding to each channel of each of the pixels.
    Type: Grant
    Filed: December 2, 2022
    Date of Patent: July 9, 2024
    Assignees: Haining ESWIN IC Design Co., Ltd., Beijing ESWIN Computing Technology Co., Ltd.
    Inventors: Meng Guo, Qiqiang Han
  • Patent number: 12027125
    Abstract: A display device according to one aspect of the present disclosure includes: a substrate including a display area and a non-display area enclosing the display area; a plurality of pixels disposed in the display area; and a gate driving unit disposed in the non-display area on both sides of the display area and including a plurality of stages. The plurality of stages includes a plurality of normal output stages and a plurality of dummy stages which does not output a signal. The plurality of dummy stages may be connected to a gate low voltage line.
    Type: Grant
    Filed: November 9, 2022
    Date of Patent: July 2, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventor: TaeKeun Lee
  • Patent number: 12026334
    Abstract: A touch panel display driver includes a source driver circuit, a touch detection circuit, a selector circuit, a register a plurality of source terminals, a plurality of touch detection terminals, and a plurality of selection terminals. The selector circuit electrically connects the source driver circuit to each of the source terminals, electrically connects the touch detection circuit to each of the touch detection terminals, and electrically connects each of the selection terminals to the source driver circuit or the touch detection circuit.
    Type: Grant
    Filed: April 14, 2023
    Date of Patent: July 2, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Daisuke Suehiro, Daiji Kitagawa, Noriyuki Tanaka, Tatsuhiko Suyama, Jin Miyazawa, Yousuke Nakamura
  • Patent number: 12020665
    Abstract: A first ladder resistor circuit including multiple first resistors connected to each other in series between a first connection point to which a first reference voltage is supplied and a second connection point to which a second reference voltage is supplied, and outputting multiple first divided voltages as the first reference voltages of multiple reference voltages; and a second ladder resistor circuit including multiple second resistors connected to each other in series in at least one of an area between the first connection point and a power supply terminal to which a power supply voltage higher than the first reference voltage is supplied and an area between the second connection point and a grounding terminal to which a ground potential lower than the second reference voltage is supplied, and outputting at least one second divided voltage as the second reference voltage of the plurality of reference voltages are provided.
    Type: Grant
    Filed: March 22, 2023
    Date of Patent: June 25, 2024
    Assignee: LAPIS Technology Co., Ltd.
    Inventor: Kenichi Shigeta
  • Patent number: 12020662
    Abstract: A pixel circuit and a display device, which include a plurality of pixel driving modules, wherein each of the pixel driving modules includes a primary pixel control assembly including a primary switch and a primary pixel electrode, wherein the primary switch is configured to be controlled by a scan signal on a present-stage scan line to transfer a data signal on a data line to the primary pixel electrode; a secondary pixel control assembly including a secondary switch and a secondary pixel electrode, wherein the secondary switch is configured to be controlled by the scan signal on the present-stage scan line to transmit the data signal on the data line to the secondary pixel electrode; and a sharing switch configured to be controlled by a sharing scan signal on a sharing scan line to reduce the electric potential at the secondary pixel electrode.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: June 25, 2024
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yoonsung Um, Jing Liu, Qi Zhang, Kaili Qu, Chuwei Liang
  • Patent number: 12020513
    Abstract: An electronic device having an authentication method with high security is provided. The electronic device includes a pixel portion, a sensor portion, and an authentication portion. The pixel portion includes a display element and a light-receiving element. The pixel portion includes a first region and has a function of making the display element of the first region emit light. The pixel portion has a function of obtaining first authentication information by capturing an image of an object that is in contact with the first region with the use of the light-receiving element. The sensor portion includes a second region and has a function of obtaining second authentication information by capturing an image of an object that is in contact with the second region. The authentication portion has a function of performing first authentication processing using the first authentication information.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: June 25, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Daisuke Kubota, Koji Kusunoki, Shunpei Yamazaki
  • Patent number: 12019820
    Abstract: Disclosed is a wearable electronic device including: a housing including a first surface forming a front surface of the wearable electronic device, a second surface facing away from the first surface, and a side surface surrounding an internal space between the first surface and the second surface, a first electrode area positioned in a part of the first surface and the side surface and including a plurality of electrodes, an antenna positioned in a part of the first surface and the side surface and defined by the first electrode area and a segment area, a display visible through at least part of the first surface, a second electrode area positioned on the second surface, a processor, and a memory operatively connected to the processor and including instructions.
    Type: Grant
    Filed: November 21, 2022
    Date of Patent: June 25, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jaehyuck Park, Jeongmin Park, Namseok Chang
  • Patent number: 12014698
    Abstract: A dot-matrix display device includes a display, a converter circuit, and a control circuit. The display includes multiple gate signal lines, multiple source signal lines, and multiple pixel circuits arranged at intersections of the multiple gate signal lines and source signal lines. The converter circuit obtains a serial signal SI in synchronization with a first clock signal SCK input from outside and converts the obtained serial signal to a parallel signal. The serial signal is input from outside serially. The serial signal includes address data for specifying, of the multiple pixel circuits, a pixel circuit to undergo a refresh of image data, and the image data to be provided to the specified pixel circuit. The control circuit generates, based on a second clock signal ENB_V having a lower frequency than the first clock signal, a control signal for controlling timing of serial-to-parallel conversion performed by the converter circuit.
    Type: Grant
    Filed: April 6, 2021
    Date of Patent: June 18, 2024
    Assignee: Kyocera Corporation
    Inventor: Takanobu Suzuki
  • Patent number: 12014693
    Abstract: A system includes a display, and a central programming unit, wherein the central programming unit is configured to automatically adjust a brightness of the display based on factors of the environment surrounding the display.
    Type: Grant
    Filed: June 3, 2022
    Date of Patent: June 18, 2024
    Assignee: B/E AEROSPACE, INC.
    Inventor: Hans Huijsing
  • Patent number: 11989978
    Abstract: A method of detecting a user interaction by an electronic device according to various embodiments may include acquiring, through a camera, a first image of a real document in which at least one first area is printed, determining whether at least one first part corresponding to the at least one first area and included in the first image is changed, and performing a function of the electronic device corresponding to the at least one first part, based on determining that the at least one first part is changed.
    Type: Grant
    Filed: December 27, 2022
    Date of Patent: May 21, 2024
    Assignees: WOONGJIN THINKBIG CO., LTD., ARTYGENSPACE CO., LTD.
    Inventors: Jeongwook Park, Myeonghyeon Hwang, Suhyoung Lim, Jungwoo Choi, Youngsun Seo
  • Patent number: 11967270
    Abstract: Disclosed is a LED display system and a control method thereof. The display system comprises a control card outputting clock signals and data signals; at least one driving circuit group, coupled with the control card, and each including a plurality of cascaded driving circuits, receiving a clock signal and a data signal and transmitting them among the plurality of driving circuits, wherein at least one stage of driving circuit in each driving circuit group comprises an inverter, which inverts the clock signal received by the current stage of driving circuit to obtain an inverted clock signal. The LED display system of the present disclosure can effectively avoid excessive attenuation of the clock signal in the cascaded driving circuits, ensure data sampling correctness based on the clock signal, and ensure display effect of the LED display screen.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: April 23, 2024
    Assignee: HANGZHOU SHIXIN TECHNOLOGY CO., LTD
    Inventor: Lingjun Kong
  • Patent number: 11967289
    Abstract: Embodiments of the present disclosure provide a method for detecting light leakage of a screen, a method for detecting ambient light, and an apparatus for detecting ambient light. The method for detecting light leakage of a screen includes: acquiring a brightness value of the screen and grayscale values of pixel points within a preset display region of the screen; clustering the pixel points based on a plurality of preset grayscale value intervals and the grayscale values of the pixel points, to obtain a plurality of pixel point sets; obtaining light leakage values corresponding to the pixel point sets based on the brightness value and fused grayscale values corresponding to the pixel point sets; and obtaining a light leakage value of the screen based on the light leakage values corresponding to the pixel point sets.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: April 23, 2024
    Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
    Inventor: Chao He
  • Patent number: 11967600
    Abstract: To make the dimension of an electrostatic protection circuit small with the same maintained high in sensitivity. The electrostatic protection circuit is of the configuration that a first diode and a second diode are connected in series, wherein a semiconductor layer owned by each diode is configured to be sandwiched between a gate electrode and a conductive light shielding film. The light shielding film is formed to overlap with the semiconductor layer and has a wider area than the semiconductor layer. This results in having a gate covering the semiconductor layer from an upper side and a back gate covering the semiconductor layer from a lower side, so that the sensitivity can be maintained high irrespective of decreasing the electrostatic protection circuit in dimension.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: April 23, 2024
    Assignee: Japan Display Inc.
    Inventors: Koji Yamamoto, Tatsuya Ishii
  • Patent number: 11961467
    Abstract: A compensation circuit, a control chip, and a display device are provided to solve a problem of low luminance of OLED display panels due to an existence of drifting of threshold voltage of the OLED display panels. The compensation circuit is applied to a drive circuit which includes a first TFT, a second TFT, an OLED, and a capacitance. The compensation circuit includes a third TFT and a detection circuit. A control electrode of the third TFT is configured to be connected with a second electrode of the second TFT, a first electrode of the third TFT is configured to be connected with a control electrode of the second TFT. The detection circuit is configured to be turned off and turned on respectively when receiving two continuous voltage signals output from the second electrode of the third TFT.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: April 16, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Renjie Zhou, Haijiang Yuan
  • Patent number: 11961439
    Abstract: A display panel, a driving method and a display device are disclosed. The display panel is divided into a first area and a second area arranged along a data line direction. Multiple sub-pixels corresponding to a same row of scan line are connected to data lines in one-to-one correspondence. In the first area and second area, each column of sub-pixels is arranged between two adjacent data lines, where the same column of sub-pixels includes multiple sub-pixel groups, each of which includes at least one sub-pixel. Among two adjacent data lines, one data line is connected with the sub-pixels in the odd groups, and the other is connected with the sub-pixels in the even groups. The sub-pixel groups in the first area and the corresponding sub-pixel groups in the second area are axially symmetrical with respect to a boundary line between the first area and the second area.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: April 16, 2024
    Assignee: HKC CORPORATION LIMITED
    Inventors: Jie Chen, Jianlei Li, Haijiang Yuan
  • Patent number: 11961487
    Abstract: According to an aspect, a display device includes: a display panel having a display area provided with pixels; a dimming panel disposed so as to face the display panel and having a dimming area provided with dimming pixels; and a light source configured to emit light that travels from the dimming panel toward the display panel. When a pixel among the pixels is controlled to be lit up in white, blurring processing is applied so as to cause more than one of the dimming pixels including a dimming pixel overlapping the pixel to transmit light, and light from the light source is transmitted through the blurring area and the pixel. The blurring area is determined based on a positional misalignment with respect to a predetermined positional relation between the display area and the dimming area.
    Type: Grant
    Filed: June 27, 2023
    Date of Patent: April 16, 2024
    Assignee: Japan Display Inc.
    Inventors: Junji Kobashi, Tomoyuki Ishihara
  • Patent number: 11955060
    Abstract: A display substrate and a display panel are provided. The display substrate includes a base substrate; the base substrate includes a display region and a peripheral region on at least one side of the display region; the peripheral region includes a first peripheral sub-region and a second peripheral sub-region, the display region includes a first display sub-region corresponding to the first peripheral sub-region and a second display sub-region corresponding to the second peripheral sub-region, and the second display sub-region is different from the first display sub-region; the second peripheral sub-region includes a first gate driving circuit, and the first gate driving circuit is configured to be connected to a plurality of gate scanning signal lines in the first display sub-region through a plurality of connecting lines in the display region, to respectively providing a gate scanning signal to a plurality of rows of pixel units in the first display sub-region.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: April 9, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Donghui Tian, Rong Wang, Xiangdan Dong, Mengmeng Du, Fan He, Cong Fan, Yujing Li
  • Patent number: 11948527
    Abstract: The application discloses a liquid crystal display panel and a display device. In the liquid crystal display panel, each pixel unit includes a first sub-pixel and a second sub-pixel. The polarities of the data voltages received by two adjacent pixel units sharing the same data line are opposite. In each pixel unit, the driving timing of the first sub-pixel is earlier than the driving timing of the second sub-pixel, and the duty cycle of the scan signal received by the first sub-pixel is greater than the duty cycle of the scan signal received by the second sub-pixel.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: April 2, 2024
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Kyunho Kim, Youngil Ban, Anle Hu, Jianjian Ying, Yingying Liu