Patents Examined by Andrew Sasinowski
  • Patent number: 11694612
    Abstract: A display device includes: pixel circuits arranged in a first direction on each of a first pixel row and a second pixel row; dummy sensor circuits arranged in a predetermined interval between the pixel circuits on the first pixel row; sensor circuits arranged in the interval between the pixel circuits on the second pixel row; light emitting elements disposed on the pixel circuits and connected to each of the pixel circuits; first light receiving elements on at least some of the pixel circuits of the first pixel row and the dummy sensor circuits; and second light receiving elements on at least some of the pixel circuits of the second pixel row and the sensor circuits. One of the sensor circuits is connected to at least two of the first light receiving elements and at least two of the second light receiving elements.
    Type: Grant
    Filed: June 2, 2022
    Date of Patent: July 4, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Cheol Gon Lee, Hee Jean Park, Hee Rim Song, Yu Jin Lee, Mu Kyung Jeon
  • Patent number: 11694600
    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. The time control circuit is configured to control a light-emitting duration of the element in a light-emitting phase to be a first duration by controlling the input circuit coupled thereto in response to a first control signal from a first control signal terminal, and control the light-emitting duration in another light-emitting phase to be a second duration by controlling the input circuit in response to a second control signal from a second control signal terminal and a third control signal from a third control signal terminal. The second duration is less than the first duration. The second duration includes interval time periods. The third control signal has a frequency multiple times that of the first control signal or the second control signal.
    Type: Grant
    Filed: December 7, 2022
    Date of Patent: July 4, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Minghua Xuan, Xue Dong
  • Patent number: 11688332
    Abstract: A control method includes A) determining intrinsic activation times of individual semiconductor emitters of a display device. The display device includes a plurality of light-emitting semiconductor emitters with different intrinsic activation times. The method also includes B) determining and storing in each case an activation delay and/or a turn-on current change for each individual one of the semiconductor emitters. The method further includes C) energizing the individual semiconductor emitters according to the previously determined activation delay and/or turn-on current change, so that in a display mode of the display device the semiconductor emitters have equally long starting times for a light emission.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: June 27, 2023
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Daniel Richter, Marcel Severin
  • Patent number: 11688324
    Abstract: A display panel and a display device are provided. In the display panel, each composite pixel row includes a plurality of auxiliary sub-pixels disposed in a functional additional area and a plurality of main sub-pixels disposed in a main display area. Each of auxiliary pixel drive circuita is connected to a plurality of auxiliary sub-pixels. Each of main pixel drive circuits is connected to a corresponding main sub-pixel. A plurality of stages of gate drive circuits are correspondingly connected to the plurality of auxiliary pixel drive circuits and the plurality of main pixel drive circuits through a plurality of scanning signal lines to improve a display mismatch problem.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: June 27, 2023
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Chujun Yi, Tao Chen
  • Patent number: 11688335
    Abstract: A display apparatus is disclosed. The display apparatus includes a display panel including first pixels and second pixels, and a display panel driver which drives the display panel. In a first mode, the display panel driver drives both the first pixels and the second pixels. In a second mode, the display panel driver drives the second pixels in a first part for one frame, and drives the first pixels in a second part for the one frame.
    Type: Grant
    Filed: March 2, 2022
    Date of Patent: June 27, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeonuk Won, Dohyun Kang, Jungkook Park, Donghak Pyo
  • Patent number: 11675442
    Abstract: An image processing method and a flexible-screen terminal are provided. The method includes: receiving a first input by a flexible-screen terminal user, the first input being used for bending the flexible-screen terminal; in response to the first input, displaying a number N of images in a first display area of the flexible-screen terminal and displaying an operational control zone in a second display area of the flexible-screen terminal; receiving a second input by the user, the second input being used for selecting a number M of target images from the number N of images; in response to the second input, displaying the number M of target images selected by the second input in the operational control zone; displaying text information of the number M of target images in the first display area.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: June 13, 2023
    Assignee: VIVO MOBILE COMMUNICATION CO., LTD.
    Inventor: Yaokun Zhang
  • Patent number: 11670222
    Abstract: The disclosure provides a driving backplate and a display device. The driving backplate includes a substrate having a plurality of light source regions where light sources are disposed, the plurality of light source regions being arranged in an array; and a plurality of control chips arranged in an array on the substrate, the plurality of control chips being in one-to-one correspondence with the plurality of light source regions and each configured to provide a driving signal to the light source in a corresponding light source region, wherein each column of control chips is divided into at least two groups, each group of control chips are coupled in series through a same signal line, and the at least two groups of control chips are coupled in parallel with each other.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: June 6, 2023
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qin Zeng, Zouming Xu, Jian Tian, Jie Lei, Jie Wang, Jianying Zhang, Xintao Wu, Chunjian Liu
  • Patent number: 11670227
    Abstract: Disclosed are to a pixel circuit, a method for driving the pixel circuit and a display panel. The pixel circuit includes a data write module, a storage module, a drive module and a light emitting device. The drive module includes a first control terminal and a second control terminal. The data write module is configured to write, at a data write stage, a data signal into the first control terminal of the drive module, the storage module is configured to maintain a potential of the first control terminal, the second control terminal is electrically connected to a pulse-width modulation (PWM) signal input terminal of the pixel circuit, and is configured to control the drive module to provide discontinuous drive current according to a PWM signal from the PWM signal input terminal at a light emission stage, and the light emitting device emits light in response to the discontinuous drive current.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: June 6, 2023
    Assignee: SOUTH CHINA UNIVERSITY OF TECHNOLOGY
    Inventors: Miao Xu, Lei Zhou, Min Li, Hongmeng Li, Hua Xu, Zikai Chen, Jianhua Zou, Lei Wang, Junbiao Peng, Hong Tao
  • Patent number: 11662777
    Abstract: Apparatus, systems, articles of manufacture, and methods are disclosed for physical keyboards with multi-display computing devices. An example keyboard includes a plurality of keys and a translucent backplate having a first side and a second side. The example keyboard also includes a coating between the first side of the backplate and the plurality of keys, the coating to pass light to illuminate the plurality of keys, and the coating to obscure the plurality keys when viewed from the second side of the backplate.
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: May 30, 2023
    Assignee: Intel Corporation
    Inventors: Jeff Ku, Tim Liu, Yihua Lai, Lance Lin, Gavin Sung
  • Patent number: 11663944
    Abstract: A display device is disclosed. The display device includes an array substrate and at least two driving units. The array substrate includes a peripheral region and a display region, the peripheral region surrounds the display region, the array substrate further includes a peripheral grounding line, and the peripheral grounding line is located in the peripheral region and surrounds the display region. The at least two driving units are located on at least one side of the array substrate, the driving unit includes at least two grounding pins, a grounding pin of at least one of the driving units is connected to the peripheral grounding line, and each of at least one grounding pin of one of two adjacent driving units is electrically connected to a corresponding grounding pin of the other adjacent driving unit.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: May 30, 2023
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bingqing Yang, Wenkai Mu, Haoliang Ji, Bo Feng, Xiaoxiao Chen, Tianxin Zhao, Ji Dong, Zhiying Bao, Wenjun Xiao, Yang Wang, Shijun Wang, Hao Xu
  • Patent number: 11662595
    Abstract: Disclosed is a method for switching user input modality of a displaying device displaying an interactable region. The displaying device is in communication with a first input modality and a second input modality. The first input modality is an eye tracker configured to determine gaze data of a user and the second input modality is an input modality other than an eye tracker configured to determine a pointing ray. The first input modality is selected as the input modality of the displaying device. The method comprises determining whether the pointing ray of the second input modality is intersecting with the interactable region. The method further comprises, based on the determining switching the input modality of the displaying device to the second input modality when the pointing ray of the second input modality is intersecting with the interactable region.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: May 30, 2023
    Assignee: Tobii AB
    Inventors: Niklas Blomqvist, Robin Thunström, Dennis RĂ¥dell, Ralf Biedert
  • Patent number: 11663955
    Abstract: A pixel circuit, a drive method, a display substrate, and a display device are provided. The pixel circuit includes a light emitting device, a current supply sub-circuit, and a time control sub-circuit. The current supply sub-circuit is connected to a scanning signal terminal, a data signal terminal, a light emitting control terminal, a first power voltage terminal, the time control sub-circuit, and the light emitting device, and is configured to receive a data voltage of the data signal terminal and provide a drive current for the light emitting device. The time control sub-circuit is connected to the scanning signal terminal, a time length signal terminal, a second power voltage terminal, a direct current control signal terminal, and a direct current voltage terminal, and is configured to receive a time length voltage of the time length signal terminal and a direct current voltage input by the direct current voltage terminal.
    Type: Grant
    Filed: February 7, 2021
    Date of Patent: May 30, 2023
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Ning Cong, Minghua Xuan, Can Zhang, Ming Yang, Can Wang, Angran Zhang, Hao Chen, Xiaochuan Chen
  • Patent number: 11645974
    Abstract: A display device includes a pixel unit including pixels, a timing controller configured to generate image data based on input image data, a data driver configured to generate a data signal corresponding to the image data and supply the data signal to the pixels, a power supply configured to supply a power voltage to the pixel unit, and a power controller configured to calculate a load value and a peak grayscale value based on the input image data, and to generate a power control signal to change a voltage level of the power voltage based on the load value and the peak grayscale value.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: May 9, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Hyun Pyun, Jang Mi Lee, Eun Jin Choi
  • Patent number: 11640792
    Abstract: A method of driving a display device including a sensing line, a light-emitting element, a capacitor, and a driving transistor, the driving transistor comprising a control terminal that is connected to the capacitor, an input terminal, and an output terminal, the method including: connecting the control terminal and the output terminal; connecting the control terminal and the output terminal to a ground voltage and then disconnecting the control terminal and the output terminal from the ground voltage; sensing a first voltage of the control terminal through the sensing line; and calculating a threshold voltage of the driving transistor based on the first voltage.
    Type: Grant
    Filed: April 1, 2022
    Date of Patent: May 2, 2023
    Assignees: Samsung Display Co., Ltd., IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Ung-Gyu Min, Oh-Kyong Kwon
  • Patent number: 11640784
    Abstract: A micro light emitting diode (micro LED) display and a controller thereof are provided. The micro LED display includes a circuit board, a plurality of micro LED devices, and the controller. The micro LED devices are disposed on a first surface of the circuit board. The micro LED devices respectively have a plurality of pixel arrays. The controller is carried by the circuit board and is configured to transmit a plurality of control signals to respectively control display statuses of the pixel arrays of the micro LED devices.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: May 2, 2023
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Po-Jen Su, Kun-Hua Tsai
  • Patent number: 11636803
    Abstract: A display device and a driving method therefor. The display device includes pixel units and pixel scanning circuits, and each of the pixel scanning circuits corresponds to the pixel units of a row. The driving method for the display device includes: driving, by a first driving signal corresponding to a first scanning frequency, the pixel scanning circuits, the first driving signal having row periods corresponding to a frame of image under the first scanning frequency; obtaining a switching signal, and driving, by a second driving signal corresponding to a second scanning frequency, the pixel scanning circuits according to the switching signal. The second driving signal has row periods corresponding to a frame of image under the second scanning frequency, the first scanning frequency is less than the second scanning frequency, and the row period of the first driving signal is greater than the row period of the second driving signal.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: April 25, 2023
    Assignee: Kunshan Go-Visionox Opto-Electronics Co., Ltd.
    Inventors: Yuan Yao, Shuai Ye, Guangyuan Sun, Wenyuan Xi
  • Patent number: 11636798
    Abstract: A display device includes: a pixel unit including pixels connected to data lines and scan lines, and signal output lines, where at least one signal output line of the signal output lines is connected to each of the scan lines through a contact point; a data driver disposed at one side of the pixel unit to drive the data lines; a scan driver disposed at the one side of the pixel unit together with the data driver to drive the scan lines; and a timing controller controlling the data driver and the scan driver. The data driver includes: output buffers outputting data signals to the data lines, respectively; and a slew rate controller adjusting a slew rate of the data signals by controlling a bias value supplied to the output buffers in units of pixel rows based on positions of the pixels and a change in the data signals.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: April 25, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Hyun Pyun, Min Young Park, Eun Jin Choi
  • Patent number: 11631366
    Abstract: According to one embodiment, a display device includes pixels, gate lines, source lines, a first driver, and a second driver selecting a gradation voltage corresponding to a gradation value of input image data from either of a plurality of gradation voltages of a first system and gradation voltages of a second system, and supplying the selected gradation voltage to the corresponding source line of the plurality of source lines. In at least a gradation region of all gradation regions of the image data, a value of the corresponding gradation voltage of the second system is relatively different from a value of the corresponding gradation voltage of the first system, for each of same gradation values.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: April 18, 2023
    Assignee: Japan Display Inc.
    Inventor: Tadafumi Ozaki
  • Patent number: 11631431
    Abstract: Apparatus and method for transferring data in a data storage system, such as but not limited to a hard disc drive (HDD). An optical link is provided between an analog front end (AFE) of a data storage device controller circuit (SOC) and a preamplifier/driver circuit (preamp) mounted to a rotary actuator to transfer an analog domain signal. A selected component is extracted from the signal using a modulation element such as a micro-resonance ring (MRR) or a Mach-Zehnder Interferometer Modulation (MZM) device. The extracted component is forwarded to a processing circuit to facilitate a transfer of data between a local memory and a non-volatile memory (NVM). The optical link includes a flexible portion in a flex circuit affixed to the rotary actuator and which supports the preamp. Multiplexed read, write, and power control signals are concurrently transmitted via the optical link. The link can concurrently service multiple head-disc assemblies (HDAs).
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: April 18, 2023
    Assignee: Seagate Technology LLC
    Inventors: Kevin A. Gomez, Aditya Jain, Anil J. Reddy, Todd Michael Lammers
  • Patent number: 11631369
    Abstract: A pixel circuit, a method of driving a pixel circuit and a display panel. The pixel circuit (10) includes: a drive circuit (100), a data writing circuit (200), a compensation circuit (300), and a light emitting element (500). The drive circuit (100) includes a control terminal (130), a first terminal (110) and a second terminal (120), and is configured to control a drive current flowing through the first terminal (110) and the second terminal (120) for driving the light emitting element (500) to emit light. The data writing circuit (200) is configured to write a data signal to a first terminal (110) of the drive circuit (100) in response to a first scanning signal. The compensation circuit (300) is configured to store a data signal written by the data writing circuit (200) and compensate the drive circuit (100) in response to a second scanning signal.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: April 18, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Sang Won Lee, Yidan Zhu