Patents Examined by Kenneth B Lee, Jr.
  • Patent number: 11568797
    Abstract: A light-emitting driving circuit includes a driving sub-circuit, a control sub-circuit, a data writing sub-circuit and a compensation sub-circuit. The control sub-circuit is configured to initialize voltages of a first node and a control terminal of the driving sub-circuit in response to a second scan signal. The data writing sub-circuit is configured to write a data signal into a first terminal of the driving sub-circuit in response to a first scan signal. The driving sub-circuit is configured to output, from a second terminal of the driving sub-circuit, the data signal and a compensation signal. The compensation sub-circuit is configured to transmit the data signal and the compensation signal to the first node in response to the first scan signal, and adjust the voltage of the control terminal according to the data signal, the compensation signal, the initialized voltages of the first node and the control terminal.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: January 31, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongni Liu, Minghua Xuan, Haoliang Zheng, Li Xiao, Seungwoo Han, Liang Chen, Hao Chen, Jiao Zhao
  • Patent number: 11562700
    Abstract: Embodiments of the present disclosure relate to a display device comprising a display panel on which a plurality of gate lines, a plurality of data lines, a plurality of reference voltage lines, and a plurality of subpixels are disposed, a gate driving circuit providing scan signals to the plurality of gate lines, a data driving circuit providing data voltages to the plurality of data lines, and including at least one reference voltage switch for controlling reference voltages supplied to the plurality of reference voltage lines, and a timing controller controlling the gate driving circuit and the data driving circuit, and maintaining the reference voltage of the reference voltage line at a level of turning off a light emitting element while at least one scan transistor disposed on the plurality of subpixels is turned off before a sensing process for sensing a characteristic value of the plurality of subpixels is performed.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: January 24, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Sunho Lee, SangJun Lee
  • Patent number: 11552230
    Abstract: A pixel array substrate includes a base, pixel structures, first bonding pads, first wirings, and a first testing element. The pixel structures are disposed on an active area of a first surface of the base. The first bonding pads are disposed on a peripheral region of the first surface. Each of the first wirings is disposed on a corresponding first bonding pad, a first sidewall of the base, and a corresponding second bonding pad. The first testing element is disposed on the active area of the first surface and has a first testing line. The first testing line is electrically connected to at least one of the first bonding pads, and an end of the first testing line is substantially aligned with an edge of the base.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: January 10, 2023
    Assignee: Au Optronics Corporation
    Inventors: Shang-Jie Wu, Hao-An Chuang, Yu-Chieh Kuo, He-Yi Cheng, Che-Chia Chang, Yi-Jung Chen, Yi-Fan Chen, Yu-Hsun Chiu, Mei-Yi Li, Yu-Chin Wu
  • Patent number: 11551619
    Abstract: A gate driver circuit can include a plurality of stage circuits, in which each of the plurality of stage circuits supplies a gate signal to gate lines arranged in a display panel, and includes an M node, a Q node, a QH node, a QB node, a line selector, a Q node controller, a Q node and QH node stabilizer, an inverter, a QB node stabilizer, a carry signal output circuit portion, a gate signal output circuit portion, and a Q node bootstrapper, in which the Q node bootstrapper is connected between the carry signal output circuit portion and the gate signal output circuit portion, or the gate signal output circuit portion is connected between the carry signal output circuit portion and the Q node bootstrapper.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: January 10, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Jeongrim Seo
  • Patent number: 11545605
    Abstract: A display panel including a pixel circuit substrate, a planarization layer, a plurality of bonding pads, a plurality of light-emitting devices, a plurality of auxiliary electrodes, and a reflective structure layer is provided. The pixel circuit substrate has a plurality of signal lines. The planarization layer covers the signal lines. The bonding pads are disposed on the planarization layer and are electrically connected to the signal lines. The light-emitting devices are electrically bonded to the bonding pads. The auxiliary electrodes are disposed between the bonding pads. The reflective structure layer is disposed between the light-emitting devices and overlaps at least part of the auxiliary electrodes and the bonding pads. A method of fabricating the display panel is also provided.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: January 3, 2023
    Assignee: Au Optronics Corporation
    Inventors: Hsun-Yi Wang, Chan-Jui Liu, Chiao-Li Huang, Ching-Liang Huang, Chun-Cheng Cheng
  • Patent number: 11545092
    Abstract: A display device including: a display panel including a pixel connected to a first scan line, second scan line, and data line, the pixel including: a first switch connected to the first scan line; a second switch connected to the second scan line; and a light emitting element; a low-frequency driving controller to output a first power control signal having a first level in a first mode and a second power control signal having a second level in a second mode; a scan driver including first and second scan drivers to drive the first and second scan lines, wherein one of the first and second scan drivers operates in the second mode; and a data driver to operate in the second mode in response to the power control signal having the second level, wherein the data driver operates at a frequency lower than a reference frequency in the second mode.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: January 3, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyojin Lee, Sehyuk Park, Jinyoung Roh, Geunjeong Park, Eunho Lee, Hui Nam, Bonghyun You
  • Patent number: 11545058
    Abstract: An electronic device includes: a video signal processing unit that receives a video signal and outputs a predetermined type of signal; an arithmetic processing unit that transfers a correction segment data corresponding to a different segment between a current unevenness correction data and a previous unevenness correction data; and an unevenness correction unit that corrects the predetermined type of signal based on the current unevenness correction data.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: January 3, 2023
    Assignee: SHARP NEC DISPLAY SOLUTIONS, LTD.
    Inventor: Hiroshi Sunagare
  • Patent number: 11539501
    Abstract: A clock data recovery circuit includes the following elements: a phase detector for outputting a phase adjustment signal by comparing a clock signal of a first node and an input signal; a charge pump for adjusting a charge amount of a second node according to the phase adjustment signal; a first switch including one end coupled to the second node and including another end coupled to a third node; a second switch including one end which receives a bias voltage and including another end coupled to the third node; a capacitor including a first electrode coupled to the third node; third switches; and voltage control oscillators including control terminals coupled to the third node and including output terminals coupled to the first node through the third switches.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: December 27, 2022
    Inventors: Ki Hyun Pyun, Min Young Park, Jong Min Shim
  • Patent number: 11538426
    Abstract: A display panel includes a display area and a first peripheral area located around the display area. A first gate driver is provided in the first peripheral area. The display panel is further provided with a plurality of first driving signal lines and a plurality of second driving signal lines. The plurality of first driving signal lines are arranged in a different layer from a layer in which the plurality of second driving signal lines are located. The m-th first driving signal line of the plurality of first driving signal lines and the k-th second driving signal line of the plurality of second driving signal lines are both electrically connected, in the first peripheral area, to an m-th output terminal of the first gate driver, where m is an integer greater than or equal to 1 and k is also an integer greater than or equal to 1.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: December 27, 2022
    Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xinwei Wu, Zhen Zhang, Wei Zhang, Cunzhi Li, Jonguk Kwak, Yanyan Xu
  • Patent number: 11531390
    Abstract: Systems, devices, media, and methods are presented for an immersive augmented reality (AR) experience using an eyewear device. A portable eyewear device includes a processor, a memory, and a display projected onto at least one lens assembly. The memory has programming stored therein that, when executed by the processor, captures information depicting an environment surrounding the device and identifies a match between objects in that information and predetermined objects in previously obtained information for the same environment. When the position of the eyewear device reaches a preselected location with respect to the matched objects, a physical output is provided to produce the immersive experience. The physical output changes as the position of the eyewear device moves to maintain the immersive experience.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: December 20, 2022
    Assignee: Snap Inc.
    Inventors: Ilteris Canberk, Shin Hwun Kang, Doug Mead
  • Patent number: 11531428
    Abstract: The disclosure provides a method for driving an OLED touch-and-display device, a driving circuit, and an OLED touch-and-display device. The method includes: generating gate driving signals that are sequentially shifted based on the first clock signal (GCK); sequentially applying the gate driving signals that are sequentially shifted to the plurality of GLs; writing display data in a display driving period for each row of pixels, to the row of pixels, wherein a time length of the display driving period depends on a corresponding gate driving signal and is smaller than the clock cycle; and for a display driving period for each of at least one row of pixels, setting a touch detection period corresponding to the display driving period or corresponding to the display driving period for previous row of pixels at least partially overlapping with the display driving period in time.
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: December 20, 2022
    Assignee: NOVATEK MICROELECTRONICS CORP.
    Inventors: Chun-Hung Chen, Kai-Wen Shao, Feng-Lin Chan, Shuo-Wen Jang
  • Patent number: 11527214
    Abstract: An image processing method, an image processing circuit and a display apparatus are provided. The image processing method includes: converting an RGB gray-scale value of each pixel in a current image frame into an RGB luminance value; converting the RGB luminance value into a first RGBW luminance value; determining a luminance level of the current image frame according to the first RGBW luminance value corresponding to each pixel; determining a luminance gain value of the current image frame according to the luminance level of the current image frame; calculating a second RGBW luminance value according to the luminance gain value and the first RGBW luminance value; and converting the second RGBW luminance value into an RGBW gray-scale value.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: December 13, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Song Meng, Zhongyuan Wu
  • Patent number: 11520467
    Abstract: In some embodiments, a device displays functionality information in response to receiving an indication of a first input for which a contact meets functionality display criteria. In some embodiments, a device generates a user interface that includes a navigation bar including images from different positions in a respective content item, and a representation of an adjacent content item. In some embodiments, a device moves a selection-indicator in a user interface by a predefined amount in response to receiving an indication of a first input that meets unitary movement criteria. In some embodiments, a device interprets movement of a contact of an input based at least in part on a grip of a user. In some embodiments, a device displays a plurality of character selection options when a text entry field is not tolerant of character ambiguity and a first input corresponds to a plurality of candidate characters.
    Type: Grant
    Filed: July 31, 2020
    Date of Patent: December 6, 2022
    Assignee: Apple Inc.
    Inventors: Marcel Van Os, William M. Bachman, Elbert D. Chen, Jeffrey L. Robbin, Joe Howard, Joshua McGlinn, Jonathan Lochhead, Benjamin W. Keighran, Jennifer L. C. Folse, Lynne Kress, Julian Missig, Imran Chaudhri, Alessandro Sabatelli, Nicholas Zambetti
  • Patent number: 11520377
    Abstract: Reconfigurable touch screen computing devices with folding configurations that include flexible displays which are made up of segments that can be reconfigured from a compact state to an expanded state. The form factor of the compact state is roughly the size of a typical handheld phone, with an integrated speaker and microphone. The form factor of the expanded state is roughly the size of a tablet. Both states may provide a configuration which includes a touch screen display on a front side and a protective housing on a back side. The computing devices may further include sensors to indicate the state of configuration and mechanisms for alignment, locking, and structural support. In one embodiment, a module attached to, situated within, or otherwise associated with at least one segment may contain all or substantially all processing and memory, along with a communications system, all of which may be used in either state.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: December 6, 2022
    Assignee: Lepton Computing LLC
    Inventor: Stephen E. Delaporte
  • Patent number: 11520378
    Abstract: Reconfigurable touch screen computing devices with folding configurations that include flexible displays made up of segments reconfigured from a folded state to an expanded state are described. The form factor of the folded state is the size of a handheld phone (including an integrated speaker and microphone). The form factor of the expanded state is the size of a tablet computer. Both states provide a configuration including a touch screen display on a front side and a protective housing on a back side. The computing devices include sensors indicating the state and mechanisms for folding, alignment, and structural support, and magnets for the devices to be locked in the folded or unfolded state. A module attached to at least one segment may contain substantially all processing and memory, and a communications system, all which may be used in either state.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: December 6, 2022
    Assignee: Lepton Computing LLC
    Inventor: Stephen E. Delaporte
  • Patent number: 11514846
    Abstract: A display device includes a light-emitting diode including a first conductivity-type semiconductor, an active layer, and a second conductivity-type semiconductor; a first voltage line to which a first voltage is applied; a second voltage line to which a second voltage is applied; a first transistor including a source electrode electrically connected to the first voltage line and a drain electrode electrically connected to a first electrode of the light-emitting diode and to the first conductivity-type semiconductor; a second transistor including a drain electrode electrically connected to a gate electrode of the first transistor and a source electrode electrically connected to a data line to apply a data signal; a capacitor electrically connected to the gate electrode of the first transistor and the first electrode; and a third transistor including a source electrode electrically connected to the second voltage line and a drain electrode electrically connected to the first electrode.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: November 29, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min Jae Jeong, Kyung Bae Kim, Chong Chul Chai, Kyung Hoon Chung
  • Patent number: 11514844
    Abstract: A pixel drive circuit includes a data write sub-circuit, an input and read sub-circuit, a drive sub-circuit, and a first output control sub-circuit. The data write sub-circuit is configured to transmit data signals input from a first data voltage terminal at different times to a first node. The input and read sub-circuit is configured to: transmit a signal of a signal transmission terminal to a second node in a write period, and transmit an electrical signal of the second node to the signal transmission terminal in a threshold voltage read period. The drive sub-circuit is configured to output a drive signal. The first output control sub-circuit is configured to: be coupled to an element to be driven, and transmit the drive signal output by the drive sub-circuit to the element to be driven.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: November 29, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Li Xiao, Minghua Xuan, Dongni Liu, Jing Liu, Qi Qi, Haoliang Zheng, Zhenyu Zhang, Liang Chen, Hao Chen
  • Patent number: 11514862
    Abstract: A device for increasing a slew rate of a driving amplifier includes a driving amplifier, a slew rate improvement circuit, and a controller. The driving amplifier is configured to amplify an input voltage and output an output voltage. The slew rate improvement circuit is configured to provide or receive a current to increase the slew rate of the driving amplifier. The controller is configured to control an operation of the slew rate improvement circuit based on a difference between a first code corresponding to the input voltage of the driving amplifier during a current horizontal line time and a second code corresponding to the input voltage during a next horizontal line time.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: November 29, 2022
    Assignee: MagnaChip Semiconductor, Ltd.
    Inventors: Dong Ho Kim, Chel Ho Chung, Hee Jung Kim, Hyeong Sik Choi
  • Patent number: 11507267
    Abstract: A force sensing system for determining if a user input has occurred, the system comprising: an input channel, to receive an input from at least one force sensor; an activity detection stage, to monitor an activity level of the input from the at least one force sensor and, responsive to an activity level which may be indicative of a user input being reached, to generate an indication that an activity has occurred at the force sensor; and an event detection stage to receive said indication, and to determine if a user input has occurred based on the received input from the at least one force sensor.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: November 22, 2022
    Assignee: Cirrus Logic, Inc.
    Inventors: Hamid Sepehr, Pablo Peso Parada, Willem Zwart, Tom Birchall, Michael Allen Kost, Tejasvi Das, Siddharth Maru, Matthew Beardsworth, Bruce E. Duewer
  • Patent number: 11508301
    Abstract: An embodiment of the present disclosure provides a pixel circuit, including: a reference writing circuit configured to write a reference voltage to a control electrode of a driving transistor; a data writing circuit configured to write a data voltage to a threshold compensation circuit; the threshold compensation circuit configured to acquire a threshold voltage of the driving transistor, and to supply a first control voltage to the control electrode of the driving transistor and supply a second control voltage to a second electrode of the driving transistor; a reset circuit configured to write a reset voltage to the pixel circuit; and the driving transistor having a first electrode electrically coupled to a first operating voltage terminal and the second electrode electrically coupled to a first electrode of a light emitting element, and configured to drive the light emitting element to emit light.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: November 22, 2022
    Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventor: Tian Dong