Patents Examined by Van N Chow
  • 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: 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: 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: 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: 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: 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: 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
  • Patent number: 11934606
    Abstract: This disclosure provides a flexible circuit board and a manufacturing method therefor, and a display device. The flexible circuit board includes a main body sub-circuit board and a bridge sub-circuit board. The main body sub-circuit board includes a first substrate, as well as a first bridge connection end, a second bridge connection end, a first wiring portion, and a second wiring portion disposed on the first substrate. The bridge sub-circuit board includes a second substrate, as well as a third bridge connection end, a fourth bridge connection end, and a third wiring portion used for a first functional wiring, all disposed on the second substrate.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: March 19, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Ren Xiong, Qiang Tang, Huiqiang Song
  • Patent number: 11934734
    Abstract: A display apparatus of a vehicle includes a first display device to display an image including first information and second information related to the vehicle, to a first display region, a second display device to display the image to a second display region, a first controller to control an operation of the first display device, based on acquired information on a behavior of the vehicle, and a second controller to control an operation of the second display device, based on the acquired information on the behavior of the vehicle.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: March 19, 2024
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventor: Myeong Je Kim
  • Patent number: 11935481
    Abstract: Provided is a display device, which includes: a reference voltage line formed along a circular outer line and configured to provide a reference voltage; a first reference voltage auxiliary line electrically connected to the reference voltage line and formed to be parallel with a predetermined interval; and a conductive line forming a contact with the reference voltage line and the first reference voltage auxiliary line and configured to provide the reference voltage to a cathode.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: March 19, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung Han Jo, Min Chae Kwak, Kyeong Hwa Kim, Mi Hae Kim, Kyong Hwan Oh, Su Mi Jang, Jae-Ho Choi
  • Patent number: 11922866
    Abstract: A pixel includes: a first transistor including a gate electrode electrically connected to a first node, a second node to which a first power voltage for driving the light emitting element is applied, and a third node electrically connected to the light emitting element; a first emission control transistor having an on-off timing controlled by a first emission control signal; and a second emission control transistor having an on-off timing controlled by a second emission control signal. A time interval exists between a time at which the first emission control signal having a turn-on level is input such that a voltage of the second node is dropped from a bias voltage having a voltage level higher than a voltage level of the first power voltage and a time at which the second emission control signal having a turn-on level is input.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Ha Sohn, Se Hyuk Park, Jin Wook Yang, Dong Gyu Lee, Jae Hyeon Jeon
  • Patent number: 11908371
    Abstract: In an automatic gamma adjustment system with environmental adaptability, the system is installed in a display device and an image signal source is selected, such that an image signal is received and converted into first YUV signals, while detecting the surrounding situation to obtain at least one environmental data, and obtaining a gamma control parameter of a display screen of the display device according to the environmental data. When the environmental data is calculated to obtain a maximum brightness current value, the gamma control parameter is used to calculate the first YUV signals as second YUV signals, and the maximum brightness current value and the second YUV signals are sent to the display device for displaying the image. Therefore the grayscale layering effect of an image presented to people can be adjusted by automatically correcting the gamma value according to the surrounding situation at any time.
    Type: Grant
    Filed: May 23, 2023
    Date of Patent: February 20, 2024
    Assignee: STARLIGHT DISPLAY CORPORATION
    Inventors: Shao-Wei Chiu, Yi-Yu Tsai, Yin-Cheng Huang
  • Patent number: 11899848
    Abstract: A method includes: sensing, by a mobile device when the mobile device is tethered to a head-mounted display (HMD) and when the mobile device is held by a first hand, first data; detecting, by the mobile device, information indicating which hand is used to perform a gesture from the first data; sending, by the mobile device, the information to the HMD; receiving, by the HMD, the information, and not detecting, by the HMD, the information by an image-based detection method; wherein the gesture is performed by a second hand and the information is an updated indication with respect to the gesture considering a hand switch state during a first elapsed duration from a sensing time of the first data to a sensing time of the first image data; and performing, by the HMD, side-adapted hand pose estimation on the first image data using the information.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: February 13, 2024
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Yi Xu, Yang Zhou
  • Patent number: 11893194
    Abstract: According to an aspect, a detection device includes: drive electrodes; detection electrodes; and dummy electrodes in a floating state. The drive electrodes include a first electrode extending in a first direction, and a second electrode disposed at a predetermined interval from the first electrode in a second direction intersecting the first direction. The detection electrodes include a third electrode extending in the second direction. The dummy electrodes include a fourth electrode disposed at a predetermined interval from the third electrode in the first direction. The first electrode includes a first extension part, a second extension part, and a first coupling part. The second electrode includes a third extension part, a fourth extension part, and a second coupling part. The third electrode includes a fifth extension part, a sixth extension part, and a third coupling part. The fourth electrode includes a seventh extension part, and an eighth extension part.
    Type: Grant
    Filed: September 23, 2022
    Date of Patent: February 6, 2024
    Assignee: Japan Display Inc.
    Inventors: Koichi Miyasaka, Yoshikatsu Imazeki, Yoichi Kamijo, Shuichi Osawa, Toshinori Uehara
  • Patent number: 11893949
    Abstract: When binary pixel data is written to a pixel circuit, of an H-level (3V) and a L-level (0V), a voltage of the level indicating the binary pixel data is held at a first node, and a voltage of the inverted level thereof is held at a second node. The first and second nodes are connected to a third node via N-channel transistors, respectively, and first and second selection control signals are supplied to gate terminals of the transistors, respectively. Voltage levels of the first and second selection control signals are periodically switched between 5V indicating the H-level and 0V indicating the L-level in a mutually inverted manner. As a result, the voltage of the first node and the voltage of the second node are alternately selected and applied to a pixel electrode of a display element.
    Type: Grant
    Filed: May 5, 2023
    Date of Patent: February 6, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Yasushi Sasaki, Yuhichiroh Murakami, Shuji Nishi, Takahiro Yamaguchi
  • Patent number: 11893931
    Abstract: An electronic device including a power supply circuit according to the disclosure may include: a battery; a display module including a display panel; a regulator; a power supply circuit configured to: based on an input voltage of the battery, provide a first voltage and a second voltage to the display module, and provide a third voltage to the regulator; and a switch control circuit configured to: control a switching operation of the power supply circuit, wherein the power supply circuit includes: a first power circuit and a second power circuit, wherein the first power circuit includes multiple switch elements, a first capacitor, a second capacitor, a third capacitor, and a first inductor, and is configured to: for a first time interval, based on a drive signal of the switch control circuit, charge the first capacitor and the second capacitor, based on a current of the first inductor and discharge the third capacitor to provide a first output current to the display module, and for a second time interval, bas
    Type: Grant
    Filed: November 22, 2022
    Date of Patent: February 6, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hangseok Choi, Sangwoo Kang