Liquid Crystal Display Elements (lcd) Patents (Class 345/87)
  • Patent number: 11631721
    Abstract: An organic light emitting display device includes a plurality of pixels including a first pixel and a second pixel. Each of the first pixel and the second pixel includes at least one red sub pixel, a plurality of green sub pixels, and at least one blue sub pixel. The red sub pixels and the blue sub pixels are aligned in a first direction, and the plurality of green sub pixels is disposed between the at least one red sub pixel and at least one blue sub pixel of each pixel. The red sub pixel, the plurality of green sub pixels, and the blue sub pixel of the first pixel form a first group, and the red sub pixel, the plurality of green sub pixels, and the blue sub pixel of the second pixel form a second group.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: April 18, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: EuiHyun Chung, Yongmin Jeong
  • Patent number: 11631356
    Abstract: A display panel and a display device are provided, the display panel includes a gate driving circuit, a first pixel module, and a second pixel module, the first pixel module includes a first pixel circuit, and the second pixel module includes a second pixel circuit; the gate driving circuit respectively provides corresponding gate driving signals for the first pixel circuit and the second pixel circuit; in the first display region, the number of columns of the pixel circuit included by the first pixel module is greater than the maximum number of columns of the pixel circuit included by the second pixel module in the second display region; the display panel further includes a loading structure arranged in a non-display region; the load structure is electrically connected to the gate wiring; the gate wiring is wiring between the gate driving circuit and the second pixel circuit for providing the corresponding gate driving signals to the second pixel circuit.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: April 18, 2023
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xueguang Hao, Hongfei Cheng, Yongda Ma
  • Patent number: 11626051
    Abstract: The present application discloses a cross voltage compensation method for a display panel, a display panel and a display device. The cross voltage compensation method includes steps of transmitting a preset voltage signal to in-plane data lines after scan of scanning lines of a last row of a current frame is completed and before scanning lines of a first row of a next frame are started, keeping all the scanning lines at a close state while transmitting the preset voltage signal to in-plane data lines, and keeping all the scanning lines at a close state after scan of scanning lines of a last row of a current frame is completed and before scanning lines of a first row of a next frame are started, that is, V-blank time.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: April 11, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventor: Liang Zhang
  • Patent number: 11625064
    Abstract: Various embodiments include methods and systems for providing sleep clock edge-based global counter synchronization in a multiple-chiplet system. A system-on-a-chip (SoC) may include a first chiplet including a first chiplet global counter subsystem, and a second chiplet including a second chiplet global counter subsystem. The SoC may further include an interface bus communicatively coupling the first chiplet and the second chiplet, and a power management integrated circuit (PMIC) configured to supply a sleep clock to the first chiplet and the second chiplet. The first chiplet may be configured to transmit a global counter synchronization pulse trigger to the second chiplet across the interface bus. The second chiplet may be configured to load a global counter synchronization value into the second chiplet global counter subsystem at a sleep clock synchronization edge of the sleep clock in response to receiving the global counter synchronization pulse trigger.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: April 11, 2023
    Assignee: QUALCOMM Incorporated
    Inventors: Naveen Kumar Narala, Matthew Severson, Haobo Zhao
  • Patent number: 11620930
    Abstract: A display device is provided and includes: a display panel, disposed with a gate driving circuit and a source driving circuit; a X-board, disposed with a driving circuit board assembly including a display control circuit and a first connector, the display control circuit is connected with the gate driving circuit, the source driving circuit and the first connector; a system board, disposed with a second connector and a system-on-chip (SOC) connected to the second connector, the SOC includes an optical performance adjustment intellectual property core; and a connecting part, connected between the first connector and the second connector. By disposing the driving circuit board assembly on the X-board to make the X-board have some of TCON functions, completely independent of the SOC when debugging and changing Panel Timing, and can be developed independently, panel manufacturers can complete the panel debugging and changing independently without relying on changing the SOC.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: April 4, 2023
    Assignee: XIANYANG CAIHONG OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Yuan-Liang Wu, Yu-Yeh Chen, Lei Sun, Zihan Liu, Jun Shi
  • Patent number: 11615756
    Abstract: A semiconductor device includes a display device and a source driver. Each of a plurality of pixels included in the display device is supplied with a first data potential and a second data potential included in a range of a first potential or higher to a second potential or lower. The first data potential makes the pixel display an image with a first gray level. The pixel performs calculation with the first data potential and the second data potential to generate a third data potential. The third data potential makes the pixel display an image with a second gray level. A reference potential of the first data potential is an intermediate potential between the first potential and the second potential, and the gray level width that can be displayed by the second data potential is larger than the gray level width that can be displayed by the first data potential.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: March 28, 2023
    Inventors: Kei Takahashi, Koji Kusunoki, Susumu Kawashima, Shigeru Onoya, Takahiro Fukutome, Shunpei Yamazaki
  • Patent number: 11615561
    Abstract: A method and system is disclosed for displaying acquired image data of a subject. The image may include a high resolution of clear image based on the acquired image data. The image may assist in evaluating the subject.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: March 28, 2023
    Assignee: Medtronic Navigation, Inc.
    Inventors: Rebecca L. Vincelette, Erez Shani, Christine R. Drown
  • Patent number: 11605352
    Abstract: Provided is a display panel including n pixel sets. Each pixel set includes 2m pixel rows arranged along a first direction. n and m are positive integers. Each pixel row includes pixel circuits arranged along a second direction intersecting with the first direction. Each pixel circuit includes a driving transistor, a first reset module configured to transmit, in response to a first scan signal provided by a first scan signal line, a first reset signal provided by a first reset signal line to a gate electrode of the driving transistor, and a second reset module configured to transmit, in response to a second scan signal provided by a second scan signal line, a second reset signal provided by a second reset signal line to an anode of an organic light-emitting element. The gate electrode receives high and low levels that are configured to reset the gate electrode.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: March 14, 2023
    Assignee: WUHAN TIANMA MICROELECTRONICS CO., LTD.
    Inventors: Baonan Wang, Xin Li, Dongliang Dun, Zhiqiang Xia
  • Patent number: 11605334
    Abstract: A host processor includes a high-speed driver which generates first high-speed data, a coupling circuit which receives the first high-speed data from the high-speed driver, and removes a direct-current (“DC”) component of the first high-speed data to generate second high-speed data, a low-power driver which generates low-power data, and a passive switch which receives the second high-speed data from the coupling circuit, receives the low-power data from the low-power driver, and selectively outputs the second high-speed data or the low-power data to a display apparatus.
    Type: Grant
    Filed: January 19, 2022
    Date of Patent: March 14, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jongman Bae, Jundal Kim, Kyungyoul Min
  • Patent number: 11601625
    Abstract: An electronic device includes a frequency analyzing circuit and a color difference calculating circuit. The frequency analyzing circuit receives an image signal including information about a subject, may convert the image signal into first color data which are based on a first color domain, converts the first color data into frequency data which are based on a frequency domain, and applies frequency weights corresponding to the frequency data to the first color data to generate processed color data. The color difference calculating circuit calculates color difference values for evaluating a color stain generated by the image signal, based on the processed color data. The frequency weights are selected based on sensitivity information of an observer according to a frequency change of the frequency data.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: March 7, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kundong Kim, Sungsu Kim, Younghoon Kim, Jungmin Lee
  • Patent number: 11600222
    Abstract: A light-emitting circuit is provided herein, which includes a light-emitting unit, a driving transistor, and a bypass transistor. The driving transistor is configured to drive the light-emitting unit. The bypass circuit diverts the current flowing from the driving transistor to the light-emitting unit for reducing the possibility of the light-emitting unit illuminating in the dark state.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: March 7, 2023
    Assignee: INNOLUX CORPORATION
    Inventors: Ming-Chun Tseng, Kung-Chen Kuo, Lien-Hsiang Chen, Chi-Lun Kao
  • Patent number: 11594063
    Abstract: Provided are a display module and a display apparatus. The display module includes: sub-pixels arranged in an array along a first direction and a second direction; and an array substrate including an underlay substrate, a fingerprint recognition unit, and a first light-shielding layer. The fingerprint recognition unit includes a photosensitive semiconductor layer, and an orthographic projection of the photosensitive semiconductor layer on a plane of the underlay substrate is located between two adjacent sub-pixels along the second direction. The first light-shielding layer is located on a side of the photosensitive semiconductor layer close to the underlay substrate, and an orthographic projection of the first light-shielding layer on a plane of the photosensitive semiconductor layer completely covers the photosensitive semiconductor layer, and along the first direction, a length of the first light-shielding layer is larger than or equal to twice a length of each of the plurality of sub-pixels.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: February 28, 2023
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd
    Inventors: Bingping Liu, Xiaoxiao Wu, Guozhao Chen
  • Patent number: 11592720
    Abstract: A display device includes a first conductive layer including horizontal scan lines, and island-type electrodes, which are spaced apart from the horizontal scan lines; a first insulating layer disposed on the first conductive layer; a second conductive layer disposed on the first insulating layer, the second conductive layer including data lines, and a plurality of vertical scan lines; a second insulating layer disposed on the second conductive layer; and a third conductive layer disposed on the second insulating layer and including first shield electrodes, which cover first edges of the vertical scan lines, and second shield electrodes, which are spaced apart from the first shield electrodes, and cover second edges of the vertical scan lines, wherein the vertical scan lines are electrically connected to the island-type electrodes via contact holes that extend through the first insulating layer.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: February 28, 2023
    Inventors: Si Hyun Ahn, Na Hyeon Cha, Sun Kwun Son
  • Patent number: 11586048
    Abstract: Aspects of the present disclosure relate to modular expansion systems for use in head-worn computing systems. In an head-worn computer, an electrical connector is adapted to electrically connect with a modular expansion module, wherein the modular expansion module adds a capability to the head-worn computer and is removeably mounted to the head-worn computer, and a mount is adapted to physically secure the modular expansion module to the head-worn computer.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: February 21, 2023
    Assignee: Mentor Acquisition One, LLC
    Inventors: Ralph F. Osterhout, Robert Michael Lohse
  • Patent number: 11585702
    Abstract: A temperature detection device includes: a temperature detection element; a constant current circuit configured to supply a driving current to the temperature detection element; and a temperature signal generation unit configured to convert a voltage of the temperature detection element when the driving current is supplied to the temperature detection element into a temperature signal. The temperature detection device includes a driving current monitoring circuit configured to monitor change in the driving current outputted from the constant current circuit. The driving current monitoring circuit includes a current-voltage conversion unit voltage of which changes corresponding to a change in the driving current, and outputs by a switching circuit the voltage when the driving current is supplied from the constant current circuit to the current-voltage conversion unit.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: February 21, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Shinsuke Fujikawa
  • Patent number: 11587518
    Abstract: A semiconductor device includes a display device and a source driver. Each of a plurality of pixels included in the display device is supplied with a first data potential and a second data potential included in a range of a first potential or higher to a second potential or lower. The first data potential makes the pixel display an image with a first gray level. The pixel performs calculation with the first data potential and the second data potential to generate a third data potential. The third data potential makes the pixel display an image with a second gray level. A reference potential of the first data potential is an intermediate potential between the first potential and the second potential, and the gray level width that can be displayed by the second data potential is larger than the gray level width that can be displayed by the first data potential.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: February 21, 2023
    Inventors: Kei Takahashi, Koji Kusunoki, Susumu Kawashima, Shigeru Onoya, Takahiro Fukutome, Shunpei Yamazaki
  • Patent number: 11586080
    Abstract: An active matrix substrate includes a glass substrate 26, a plurality of pixel electrodes 40 arrayed in a matrix, a plurality of TFTs 43, a plurality of common electrodes 42, a terminal group 60 provided at one end of a Y-axis direction on top of the glass substrate 26 and constituted by a plurality of terminals 61 and 62 placed along an X-axis direction, wires 71 that electrically connect the terminals 61 to the TFTs 43, and wires 72 that electrically connect the terminals 62 to the common electrodes 42.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: February 21, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Yohsuke Fujikawa
  • Patent number: 11580937
    Abstract: An image display system includes a graphic processor which generates an image signal, a control signal, and a variable frequency signal; and a display device which displays an image at a frame frequency corresponding to the variable frequency signal from the graphic processor. The display device includes pixels connected to emission control lines, data lines, and scan lines; a controller which provides reference data including information on reference cycles, which are cycles in which an emission control start signal is output, to the graphic processor, outputs the emission control start signal based on the control signal, and adjusting an output timing of a scan start signal based on the variable frequency signal; an emission driver which supplies emission control signals to the emission control lines based on the emission control start signal; and a scan driver which supplies scan signals to the scan lines based on the scan start signal.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: February 14, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Gyu Lee, Ji Hye Kim, Jin Wook Yang, Jae Hyeon Jeon
  • Patent number: 11580929
    Abstract: An image system dynamically updates drive sequences in an image system. Drive sequences are image display settings or display driving characteristics with which a display is operated. The image system may determine the drive sequence at least partially based on input from one or more sensors. For example, the image system may include sensors such as an inertial measurement unit, a light sensor, a camera, a temperature sensor, or other sensors from which sensor data may be collected. The image system may analyze the sensor data to calculate drive sequence settings or to select a drive sequence from a number of predetermined drive sequences. Displaying image content on a display includes providing the display with image data and includes operating the display with various drive sequences.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: February 14, 2023
    Assignee: Snap Inc.
    Inventors: Andrew Iverson, Howard Goetz, Glen Sands, Kevin Ferguson
  • Patent number: 11581364
    Abstract: A preparation method of a display panel includes: forming multiple compensation groups on a substrate to obtain an array substrate, where the multiple compensation groups include at least first compensation group and second compensation group, and brightness difference of light-emitting elements of same light-emitting color in the first compensation group and the second compensation group under a same gray scale is larger than a preset value; calculating thicknesses of first color film layer, second color film layer and third color film layer corresponding to each of the multiple compensation groups respectively; forming the first color film layer, the second color film layer and the third color film layer on light-emitting side of the first light-emitting element, the second light-emitting element, and the third light-emitting element respectively according to the thicknesses of the first color film layer, the second color film layer and the third color film layer obtained by calculation.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: February 14, 2023
    Assignee: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventor: Jujian Fu
  • Patent number: 11568778
    Abstract: According to the embodiments of the present disclosure, there is provided gate driving circuit comprising 2N stages of shift registers, the 2N stages of shift registers comprising N first shift registers arranged alternately with N second shift registers, wherein the N first shift registers are cascaded-coupled as N stages of first shift registers, and are configured to generate N first output signals under control of K first clock signals; and wherein the N second shift registers are cascaded-coupled as N stages of second shift registers, and are configured to generate N second output signals under a control of K second clock signals, wherein K and N are both integers greater than 1, and K?N.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: January 31, 2023
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingmeng Miao, Changchen Liu, Zhihua Sun, Yanping Liao, Seungmin Lee, Xibin Shao, Cong Wang, Feng Qu
  • Patent number: 11557267
    Abstract: A display device includes a first display area including a plurality of first pixel areas, a second display area including a plurality of second pixel areas and a plurality of transmission areas, a plurality of pixels arranged in a matrix form in the first and second display areas, and a first signal line and a second signal line disposed to correspond to each pixel column in the plurality of pixels. In each pixel column, one of the first and second signal lines may extend over the first and second display areas, and a remaining one of the first and second signal lines may not be disposed in the second display area.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: January 17, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Won Choi, Jae Won Kim, Jun Young Min
  • Patent number: 11557262
    Abstract: A display device which can reproduce kinematic parallax and express a high sense of realism without using image display means are provided. The display device includes an image display unit having a stripe structure having subpixels of a plurality of colors disposed so that subpixels of the same color are arranged in a first direction and enabling an observer to observe, through an aperture, an image formed by pixels, each pixel being constituted by the subpixels of a plurality of colors. The aperture has a shape that has been smoothed to reduce a number of corners in which areas of the subpixels of the plurality of colors which can be seen through the aperture are uniform, and in which a numerical aperture decreases along a second direction orthogonal to the first direction. A plurality of the apertures are provided so as not to overlap with each other.
    Type: Grant
    Filed: October 1, 2021
    Date of Patent: January 17, 2023
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Munekazu Date, Megumi Isogai, Hideaki Kimata
  • Patent number: 11557246
    Abstract: A pixel circuit includes an input circuit and a time control circuit. The input circuit is configured to output a driving signal to an element to be driven, so that the element to be driven emits light. The time control circuit is coupled to the input circuit, and is configured to control a light-emitting duration of the element to be driven to be a first duration by controlling the input circuit in response to a first control signal provided by a first control signal terminal, and control the light-emitting duration to be a second duration by controlling the input circuit in response to a second control signal provided by a second control signal terminal and a third control signal provided by a third control signal terminal. The second duration is less than the first duration, and the second duration includes a plurality of interval time periods.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: January 17, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Minghua Xuan, Xue Dong
  • Patent number: 11557240
    Abstract: A driving controller includes an oscillator and a signal generator. The oscillator is configured to generate an oscillation signal based on an input current. The signal generator is configured to generate a gate driving signal and a data driving signal based on the oscillation signal. The oscillator is configured to maintain a frequency of one horizontal period of the oscillation signal to be constant when an oscillation fundamental frequency is shifted. When the oscillation fundamental frequency is f0 and a fundamental constant is N0, the frequency of one horizontal period is f0/N0.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: January 17, 2023
    Inventor: Sang Kuk Kim
  • Patent number: 11551614
    Abstract: A system and method for encoding, transmitting and updating a display based on demura calibration information for a display device comprises generating demura correction coefficients based on display color information, separating coherent components from the demura correction coefficients to generate residual information, and encode the residual information using a first encoding technique. Further, the image data may be divided into data streams, compressed and transmitted to from a host device to a display driver of a display device. The display driver decompresses and drives subpixels of the pixels in based on the decompressed data. The display driver updates the subpixels of a display using corrected greyscale values for each subpixel are determined from the decompressed data.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: January 10, 2023
    Assignee: Synaptics Incorporated
    Inventors: Damien Berget, Hirobumi Furihata, Joseph Kurth Reynolds, Takashi Nose
  • Patent number: 11551621
    Abstract: The present disclosure relates to an electroluminescence display device including a display panel including a pixel driving circuit and a light emitting element, a power supply circuit for generating a logic voltage to be applied to the pixel driving circuit, and a timing controller for supplying a voltage control signal to the power supply circuit. The power supply circuit may include a power IC, a booster circuit, and a voltage regulator. In the electroluminescence display device, degradation noise of the pixel can be reduced, and thereby, the image quality of the display panel can be improved.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: January 10, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Daehun Kim, DongYoup Shin
  • Patent number: 11551748
    Abstract: A circuit for recycling energy in bit lines (BL and BLB) of SRAM during write operation by (i) storing the charges BL and BLB to an intermediate voltage source (VLB) in a discharge phase and (ii) restoring the charges from the intermediate voltage, back to the BL or BLB in a recovery phase. The circuit includes an inductor, a pair of NMOS transistors, a series resonance node, and an energy source (VLB) in addition to the components of an SRAM input-output circuit shown as in FIG. 1. During the SRAM write operation, the BL or BLB is discharged to the energy source VLB through the pair of NMOS transistors and, the inductor and the series resonance node. The remaining energy in the BL and the BLB is discharged to ground using the write complementary write drivers.
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: January 10, 2023
    Assignee: Rezonent Microchips Pvt. Ltd.
    Inventors: Ignatius Bezzam, Biprangshu Saha, Chirag Gulati
  • Patent number: 11543712
    Abstract: A display apparatus includes: a display panel includes: a plurality of pixels to display an image; a gate driver to drive the pixels; a first part electrically connected to the pixels; and a second part electrically connected to the gate driver. The gate driver includes: a plurality of stages to generate a gate signal to be provided to the pixels; k number of clock wirings to provide k number of clock signals to the plurality of stages; and k number of clock bar wirings to provide k number of clock bar signals to the plurality of stages (where k is a natural number of one or greater), and the second part includes: k number of clock pads electrically connected to the k number of clock wirings, respectively; and k number of clock bar pads electrically connected to the k number of clock bar wirings, respectively.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: January 3, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Hee Shin, Geunho Lee, Yonghee Lee
  • Patent number: 11545099
    Abstract: A display apparatus is provided. The A display apparatus includes a plurality of subpixels, the plurality of subpixels comprising a plurality of first subpixels, a plurality of second subpixels, and a plurality of third subpixels. The plurality of third subpixels are arranged in an array of I columns and J rows. The display apparatus includes a plurality of repeating units. A respective repeating unit of the plurality of repeating units includes one of the plurality of first subpixels, one of the plurality of second subpixels, and two of the plurality third subpixels. The two of the plurality third subpixels in the respective repeating unit are arranged along a first direction or a second direction, the one of the plurality of first subpixels and the one of the plurality of second subpixels in the respective repeating unit are arranged along the second direction or the first direction.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: January 3, 2023
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Lujiang Huangfu, Zhenzhen Li, Wenjing Tan
  • Patent number: 11545100
    Abstract: A display device according to an embodiment of the present invention uses, as a threshold value based on which it is determined whether to switch clip processing on or to switch the clip processing off, an activation grayscale level difference threshold value (or an activation grayscale voltage difference threshold value), a deactivation grayscale level difference threshold value (or a deactivation grayscale voltage difference threshold value), an activation pixel number threshold value, and a deactivation pixel number threshold value. The deactivation grayscale level difference threshold value (or the deactivation grayscale voltage difference threshold value) is smaller than the activation grayscale level difference threshold value (or the activation grayscale voltage difference threshold value). The deactivation pixel number threshold value is smaller than the activation pixel number threshold value.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: January 3, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Haruhito Yabuki
  • Patent number: 11538420
    Abstract: A display device may include a substrate including a circular display area and a non-display area, a plurality of pixels including a first pixel and a second pixel disposed on the display area of the substrate, a first sub-demux circuit connected to the first pixel and disposed on the non-display area, a second sub-demux circuit connected to the second pixel and disposed on the non-display area, a first connection line connected to the first sub-demux circuit and the second sub-demux circuit and disposed on the non-display area to transfer first and second data input signals to the first and second sub-demux circuits, and a plurality of gate stages connected to the pixels and disposed on the non-display area to transfer gate signals to the pixels. Some of the gate stages are disposed between the first sub-demux circuit and the second sub-demux circuit.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: December 27, 2022
    Inventors: Minchae Kwak, Kyeonghwa Kim, Mihae Kim, Kyonghwan Oh, Sumi Jang, Seunghan Jo, Jae-Ho Choi
  • Patent number: 11537023
    Abstract: A liquid crystal cell includes a first substrate, a second substrate and a liquid crystal layer disposed between the first substrate and the second substrate. The first substrate includes a first base, and an electrochromic layer disposed on a side of the first base. The second substrate includes a second base, and a plurality of spacers arranged at intervals and disposed on a side of the second base proximate to the first substrate. An orthographic projection of at least one spacer of the plurality of spacers arranged at intervals on the first base is within a range of an orthographic projection of the electrochromic layer on the first base.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: December 27, 2022
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhiqiang Zhao, Hongliang Yuan, Xiaojuan Wu, Qi Zheng, Yao Bi, Xuan Zhong, Zhangxiang Cheng, Jiaxing Wang, Donghua Zhang, Baoqing Hou, Lei Zhang
  • Patent number: 11532644
    Abstract: A display panel and a display device are provided. The display panel includes: a first substrate including a display area and a wiring area, wherein active switches and pixel units are disposed in the display area, and the pixel units couple to the active switches; a second substrate disposed opposite the first substrate; a first drive line portion disposed in the wiring area and including first circuit leads; a second drive line portion disposed in the wiring area and including second circuit leads; a first interface unit connected to the first circuit leads; and a virtual bit interface unit connected to the second circuit leads. The first drive line portion is mounted around the second drive line portion, and the first interface unit is connected to the virtual bit interface unit, so the second drive line portion is coupled to the first drive line portion to form parallel circuits.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: December 20, 2022
    Assignee: HKC CORPORATION LIMITED
    Inventor: Beizhou Huang
  • Patent number: 11532262
    Abstract: A display driver includes first and second level shifters, respectively receiving a digital signal's most significant bit (MSB) and the digital signal's non-MSB. The first level shifter includes a first input terminal, a first output terminal via which a signal input to the first input terminal is output, a second input terminal, and a second output terminal via which a signal input to the second input terminal is output. The second level shifter includes a third input terminal, a third output terminal via which a signal input to the third input terminal is output, a fourth input terminal, and a fourth output terminal via which a signal input to the fourth input terminal is output. The first input terminal receives an inverted MSB, the second input terminal receives the MSB, the third input terminal receives the non-MSB, and the fourth input terminal receives the inverted non-MSB.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: December 20, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung Moon Kim, In-Suk Kim, Chan Bong Yu
  • Patent number: 11526038
    Abstract: A viewing angle limiting device, including a polymer substrate and a plurality of dye molecules, is provided. The dye molecules are dispersedly arranged in the polymer substrate. The dye molecules have a first absorption coefficient in a thickness direction of the polymer substrate. The dye molecules have a second absorption coefficient in a direction perpendicular to the thickness direction. A ratio of the first absorption coefficient to the second absorption coefficient is between 10 and 1000. A manufacturing method of the viewing angle limiting device and a display device including the viewing angle limiting device are also provided. The display device, the viewing angle limiting device, and the manufacturing method thereof provided by the invention have a large viewing angle filtering effect and have higher light transmittance in a viewing angle direction.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: December 13, 2022
    Assignee: Coretronic Corporation
    Inventors: Ping-Yen Chen, Wen-Chun Wang, Chung-Yang Fang, Yang-Ching Lin
  • Patent number: 11521557
    Abstract: A display apparatus includes a data signal output unit, a first light emitting element, a first transistor, a first capacitive element, a second transistor, and a third transistor. The first transistor is connected to the first light emitting element and includes a gate. The first capacitive element includes a first node and a second node. The second transistor is provided on a first input path through which a signal from the data signal output unit is input to the gate. The third transistor is provided on a second input path through which a signal from the data signal output unit is input to the gate and which is different from the first input path. The first node is connected to the second transistor, the third transistor, and the gate. The second node is configured to be supplied with a power source potential.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: December 6, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Takehiko Soda
  • Patent number: 11521568
    Abstract: A display panel, a display device and a driving method for a display panel are provided. The display panel includes multiple pixel units and a display control unit. Each of the pixel units includes a first color pixel, a second color pixel and a third color pixel. The first color pixel, the second color pixel and the third color pixel each include a first sub-pixel, a second sub-pixel and a third sub-pixel. The display control unit includes a first controller, a second controller and a third controller. By means of combining three kinds of gramma curves e.g., first through third gamma curves and taking a 4-domain pixel structure as a basis, a display effect based on a 12-domain pixel structure can be realized, so that the color shift problem in side view of the display panel can be significantly improved.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: December 6, 2022
    Assignee: XIANYANG CAIHONG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yu-Yeh Chen
  • Patent number: 11513631
    Abstract: A touch-sensitive display device includes one or more touch-sensitive displays each including a plurality of touch-sensitive electrodes. A free touch-sensitive electrode is identified on the one or more touch-sensitive displays that is (1) at least temporarily unaffected by proximity of one or more input objects to the one or more touch-sensitive displays, and (2) affected by an electrical noise caused by display of image content on the one or more touch-sensitive displays. The electrical noise affecting the free touch-sensitive electrode is measured. Based at least in part on the measured electrical noise affecting the free touch-sensitive electrode, and using a trained neural network, an amount of electrical noise caused by the display of image content that is affecting an occupied touch-sensitive electrode is estimated, the occupied touch-sensitive electrode being affected by proximity of the one or more input objects to the one or more touch-sensitive displays.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: November 29, 2022
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Gilad Pundak, Nadav Linenberg
  • Patent number: 11513200
    Abstract: The present technology relates to a distance measuring device and a distance measuring method that inhibit possible noise in a pixel signal based on reflected light from an object to allow accuracy of distance measurement to be maintained. A distance measuring device according to an aspect of the present technology includes a light emitting section emitting irradiation light, a light receiving section receiving reflected light corresponding to the irradiation light reflected at an object, a calculation section calculating a distance to the object on the basis of a time from emission of the irradiation light until reception of the reflected light, and a control section controlling emission of the irradiation light. The light receiving section includes a plurality of AD converting section AD-converting pixel signals read from the pixels.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: November 29, 2022
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventor: Katsuya Ikezawa
  • Patent number: 11514835
    Abstract: The present disclosure relates to a display substrate, a method for driving the same, and a display panel. The display substrate includes a base substrate as well as gate lines, data lines and a gate driver on the base substrate, the gate line being connected to the gate driver, and electrostatic rings and control components corresponding to at least one gate line are further disposed on the base substrate, each of the gate lines being connected to the electrostatic ring by a corresponding control component. The electrostatic ring is configured to load a control voltage to turn on the corresponding control component after the display panel is turned off, and the corresponding control component is configured to be turned on to change a voltage on the gate line into a turn-on voltage after the display panel is turned off.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: November 29, 2022
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Ruifang Du, Xibin Shao, Rui Ma, Xiaoye Ma
  • Patent number: 11516549
    Abstract: An electronic apparatus includes a communication interface, a display, and a processor configured to, based on a content being received from a source apparatus via the communication interface, obtain feature information of the received content, and transmit the obtained feature information to an external server, receive, from the external server, identification information of the content, the identification information being obtained based on the transmitted feature information, based on a predetermined mode of the display being turned on according to a signal that is received from the source apparatus via the communication interface, obtain information regarding a first time point when the predetermined mode is turned on, and based on the predetermined mode of the display being turned off, obtain information regarding a second time point when the predetermined mode is turned off after the first time point.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: November 29, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jongmyoung Joh, Taeung Jung
  • Patent number: 11508791
    Abstract: The present disclosure provides an organic light-emitting diode (OLED) display panel and a display device. Because, in this structure, a light transparency area is included in an electronic device display area, external light passes through the light transparency area and enters a camera. Thus, the camera can be directly positioned under the display panel without the need of forming a hole, thus solving the problems existing in prior art where the electronic device display area cannot display images due to formation of the hole. Full screen display is achieved.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: November 22, 2022
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Tao Chen
  • Patent number: 11506949
    Abstract: A liquid crystal display device having an outer shape of a display region formed other than a rectangle. A driver for supplying a video signal is disposed outside the display region. A selector with selector TFT is disposed between the display region and the driver. A video signal line is disposed between the driver and the selector, and a drain line is disposed between the selector and the display region. A scanning circuit for supplying a scanning signal to the scanning line is disposed outside the display region. The selector is disposed between the scanning line and the display region, and covered with ITO as the common electrode. The common bus wiring is disposed outside the selector.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: November 22, 2022
    Assignee: Japan Display Inc.
    Inventors: Takayuki Suzuki, Hiroyuki Abe
  • Patent number: 11508311
    Abstract: An electronic device includes a display including a first display area and a second display area. The electronic device further includes a main controller configured to send a first clock signal separately to a first display driver circuit and a second display driver circuit. The first display driver circuit is configured to receive the first clock signal and to output a first GOA clock signal to the display. The first GOA clock signal is generated based on the first clock signal. The second display driver circuit is configured to receive the first clock signal, and is further configured to output a second GOA clock signal to the display. The second GOA clock signal is generated based on the first clock signal.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: November 22, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Dustin Yuk Lun Wai, Chun Yen Liu
  • Patent number: 11508339
    Abstract: An electronic device is provided. The electronic device includes a display, a camera module configured to be positioned below the display, a memory configured to store instructions, and a processor configured to be functionally connected to the display, the camera module, and the memory, wherein the processor is configured, by executing the instructions, to cause the electronic device to identify a change in an operating state of the camera module while displaying a predetermined image in an area of the display surrounding the camera module, change a size of the area surrounding the camera module in response to identifying the change in the operating state of the camera module, and display the predetermined image in the changed area.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: November 22, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seoghee Jeong, Ilsik Kim, Sangheon Kim, Changhoon Kang, Kwangkyu Park, Yeunwook Lim
  • Patent number: 11507212
    Abstract: A display device includes a switching element that switches, based on data held by a memory circuit, between a state in which a pixel electrode and a first wiring line are connected to each other and a state in which the pixel electrode and a second wiring line are connected to each other, a power source circuit for white color that supplies a first signal having the opposite phase to a phase of a drive signal, to the first wiring line provided at a pixel in which a Tx electrode is disposed, and a power source circuit for black color that supplies, to the second wiring line, a second signal having the same phase as the phase of the drive signal.
    Type: Grant
    Filed: April 4, 2022
    Date of Patent: November 22, 2022
    Assignee: Sharp Display Technology Corporation
    Inventors: Kazutoshi Kida, Yasuhiro Sugita
  • Patent number: 11506902
    Abstract: An eyewear device that adjusts aspects of a displayed object as a function of a user's eyeglass prescription. A detector identifies object edges for displayed far objects. A correction chart stores brightness corrections as a function of eyeglass prescriptions. The object edges are brightened as a function of the brightness corrections to sharpen objects displayed for a user with nearsightedness and/or farsightedness.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: November 22, 2022
    Assignee: Snap Inc.
    Inventor: Stephen Pomes
  • Patent number: 11508310
    Abstract: A scan driver and an organic light emitting display apparatus including the same, where a narrow bezel is realized, are provided. The scan driver includes a plurality of stages, wherein each of the plurality of stages includes a Q1 node controller controlling a voltage of a Q1 node by using first and second clock signals whose phases are opposite to each other, a QB node controller controlling a voltage of a QB node by using the first and second clock signals, an output clock signal, and a start signal, a first transistor outputting a gate low voltage as a scan signal while the QB node is activated, and a second transistor outputting a gate high voltage as the scan signal while a Q2 node is activated, and outputting the gate low voltage as the scan signal when the Q2 node is bootstrapped to a voltage lower than the gate low voltage.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: November 22, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Yong Seok Park
  • Patent number: 11502113
    Abstract: An array substrate and a display panel are disclosed. The array substrate includes a base substrate, a driver circuit, and a first chip-on-film structure. The array substrate further includes a plurality of transition modules and a plurality of array lines. A gate driver on array (GOA) circuit is separate from the driver circuit to be independently electrically connected to the transition modules and is connected to the base substrate through the array lines, so that problems of occurrence of corner regions in the array lines and heat likely to be produced in the corner regions can be avoided, and display quality of the display panel can be improved.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: November 15, 2022
    Inventors: Yanan Gao, Zhe Yu, Ilgon Kim