Patents Examined by Andrew Sasinowski
  • Patent number: 11145239
    Abstract: A display device includes a display panel including gate lines, data lines, and pixels; a gate driver that provides gate signals to the pixels through the gate lines; a data driver that provides data signals to the pixels through the data lines; and a timing controller that obtains pre-charging gray scale values based on gray scale values of the pixels. The gate driver simultaneously supplies the gate signals to the gate lines in a first period, and sequentially supplies the gate signals to the gate lines in a second period. The data driver supplies data signals corresponding to the pre-charging gray scale values to the data lines in the first period, and supplies data signals corresponding to the gray scale values of the pixels to the data lines in the second period.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: October 12, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Hyun Pyun, Jang Hoon Kwak
  • Patent number: 11132941
    Abstract: A display panel and a pixel circuit of the display panel are provided. The pixel circuit includes a driving transistor and a light-emitting time length modulator. The driving transistor has a control terminal receiving a pulse width control signal and an amplitude control signal, and the driving transistor generates a driving signal. In a first time period, the light-emitting time length modulator modulates a time length of a plurality of second time periods for providing the driving signal to a light-emitting device according to a light-emitting time control signal.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: September 28, 2021
    Assignee: Au Optronics Corporation
    Inventors: Peng-Bo Xi, Chen-Chi Lin, Yan-Ru Chen, Cheng-Nan Yeh, Sheng-Yu Hsu, Chia-Che Hung, En-Chih Liu
  • Patent number: 11127337
    Abstract: The present embodiment relates to a device for driving pixels arranged on a display panel, and a data driving device according to the present embodiment can transmit image data to a plurality of channel groups by including two or more mapping units for mapping the image data to a channel link or by using one data mapping unit connected to a plurality of multiplexers.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: September 21, 2021
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Min Young Jeong, Yong Jung Kwon, Ho Sung Hong, Jung Bae Yun, Jeung Hie Choi
  • Patent number: 11127359
    Abstract: The present disclosure provides a display panel, a method thereof and a display device. The display panel includes a gate line group, a gate driving circuit, and a sub-pixel unit group. The sub-pixel unit group includes N rows of sub-pixel units, the gate line group includes (N+1) gate lines. The sub-pixel unit includes a light emitting unit, a pixel driving circuit, and a sensing circuit. The gate driving circuit includes output terminals, and is configured to sequentially output gate scanning signals through the output terminals. Each gate line is coupled to one corresponding output terminal. In the sub-pixel unit group, the pixel driving circuit in a sub-pixel unit in an n-th row is coupled to an n-th gate line; and the sensing circuit in the sub-pixel unit in the n-th row is coupled to a (n+1)-th gate line, where 1?n?N, and n is an integer.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: September 21, 2021
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Yuan, Yongqian Li, Zhidong Yuan
  • Patent number: 11125532
    Abstract: Head up displays are provided. A head up display may have a base adapted for mounting to a firearm; a window positioned by the base so that a user of the firearm can observe a field of view through the window; an illuminator operable to generate a divergent illumination light; a light valve configured to modulate the divergent illumination light in accordance with an image provided by an image generator; and a collimating optic in an optical path between the light valve and the window that substantially collimates the image modulated illumination light. The window reflects at least a portion of the image modulated collimated light so that the observer observes the image substantially in focus with objects in field of view. Images presented may include data and images, including but not limited to thermal images.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: September 21, 2021
    Assignee: LMD Applied Science, LLC
    Inventors: Brian L. Olmsted, Jeffrey W. Mock
  • Patent number: 11120729
    Abstract: A shift register includes a node control circuit configured to set a potential at a first node under control of an input signal, a reset signal, and a potential at a second node, and to set the potential at the second node under control of a second clock signal and the potential at the first node. Also included is an output circuit and a threshold voltage control circuit configured. The output circuit includes a de-noising transistor to achieve a balance between a gate voltage and a source voltage of the de-noising transistor during a time interval.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: September 14, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Peng Chen
  • Patent number: 11119323
    Abstract: Architectures are provided for expanding the exit pupil of systems including one or more waveguides. Various embodiments include a display device including one or more waveguides. One or more physical/optical parameters of the one or more waveguides and/or a wavelength of light input to the waveguide can be varied as the angle at which incoming light is incident on the waveguide varies in order to maintain phase correlation between different beamlets of the output light beam emitted from the one or more waveguides.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: September 14, 2021
    Assignee: Magic Leap, Inc.
    Inventor: John Graham Macnamara
  • Patent number: 11114012
    Abstract: The present discloses provides a display panel driving circuit and a display device. The display panel driving circuit includes a memory; a control chip; and a timing controller including data transmission ends and a control end, the data transmission ends are connected with a control signal output end of a communication switching circuit and a data output end of the memory, and the control end is connected with a controlled end of the communication switching circuit. The timing controller is configured to receive a control signal output by the control chip when controlling the communication switching circuit to be turned on and to read software data of the memory when controlling the communication switching circuit to be turned off.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: September 7, 2021
    Assignee: HKC CORPORATION LIMITED
    Inventor: Xiaoyu Huang
  • Patent number: 11112827
    Abstract: An electronic device may include a glass housing member that includes an upper portion defining a display area, a lower portion defining an input area, and a transition portion joining the upper portion and the lower portion and defining a continuous, curved surface between the upper portion and the lower portion. The electronic device may include a display coupled to the glass housing member and configured to provide a visual output at the display area. The electronic device may include an input device coupled to the glass housing member and configured to detect inputs at the input area. The electronic device may include a support structure coupled to the glass housing member and configured to support the computing device.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: September 7, 2021
    Assignee: APPLE INC.
    Inventors: Keith J. Hendren, Paul X. Wang, Adam T. Garelli, Brett W. Degner, Christiaan A. Ligtenberg, Dinesh C. Mathew
  • Patent number: 11114011
    Abstract: A display driver circuit for high resolution and high frame rate and a display device using the same are provided. A display driver circuit for high resolution and high frame rate includes a GAMMA output circuit, multiple digital-to-analog converters (DACs), multiple source operation amplifiers and at least a pre-charging circuit. The GAMMA output circuit outputs multiple grayscales of GAMMA voltages. Each DAC receives the GAMMA voltages and provides an output data voltage according to display data. Input terminals of the source operation amplifiers correspondingly coupled to output terminals of the DACs receive the corresponding output data voltages. The pre-charging circuit coupled between the input terminal of at least one of the source operation amplifiers and the output terminal of at least one of the DACs pre-charges the input terminal of the coupled source operation amplifier, so that an output terminal of the coupled source operation amplifier has fast response to the received output data voltage.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: September 7, 2021
    Assignee: FOCALTECH SYSTEMS CO., LTD.
    Inventors: Li-Shen Chang, Chien-Hsien Lin, Ko-Ming Su, Wen-Shian Shie
  • Patent number: 11107394
    Abstract: An image display device includes pixel circuits arranged in a matrix configuration between a first power supply line and a second power supply line. Each of the pixel circuits includes a light-emitting element and a first circuit connected to the light-emitting element and configured to set a duration during which a current is supplied to the light-emitting element based on a result of comparing a first signal and a first direct current voltage. The first signal includes a triangular wave signal. The first direct current voltage is set in a prescribed period. At least one of the pixel circuits includes a second circuit connected in series to the first circuit. The second circuit is configured to control a current supplied to the first circuit based on a second direct current voltage set in a period different from the prescribed period.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: August 31, 2021
    Assignee: NICHIA CORPORATION
    Inventor: Hajime Akimoto
  • Patent number: 11100836
    Abstract: The present application discloses a driving method for a display panel, a driving device thereof and a display device. The driving method includes: performing square wave conversion on drive data to obtain data line signals, where square wave signals generated by the conversion of different gray scales in the corresponding drive data have an identical high level, and the time of high level output is different.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: August 24, 2021
    Assignee: HKC CORPORATION LIMITED
    Inventor: Sheng Dong
  • Patent number: 11100851
    Abstract: The present disclosure provides a pixel circuit including: a reset circuit, a threshold compensation circuit, a data writing circuit, a light emitting control circuit and a driving transistor, where the reset circuit, the threshold compensation circuit, the data writing circuit and a control electrode of the driving transistor are coupled to a control node; the reset circuit is configured to write a reset voltage to the control node; the threshold compensation circuit is configured to perform threshold compensation on the driving transistor; the data writing circuit is configured to charge the control node according to a data voltage; the light emitting control circuit is configured to control a second electrode of the driving transistor to be electrically coupled to or decoupled from a first electrode of the light emitting element; the driving transistor is configured to output a corresponding driving current according to a voltage at the control node.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: August 24, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongni Liu, Minghua Xuan
  • Patent number: 11099394
    Abstract: Systems, devices, and methods for aligning a diffractive element in a wearable heads-up display (“WHUD”) are described. A WHUD that includes a projector, a transparent combiner, a WHUD frame, and a diffractive optical element (DOE) embedded in the transparent combiner, requires alignment between the DOE and the eye of the user and/or the projector. A WHUD includes a DOE aligned with an eye of a user when the WHUD is worn on the head of the user. A method of aligning a DOE in a WHUD with an eye of a user when the WHUD is worn on a head of a user includes aligning a first part of the WHUD frame with a first part of the face of the user, and aligning the DOE with a second part of the WHUD frame.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: August 24, 2021
    Assignee: Google LLC
    Inventors: Arnett Weber, Darren Ihmels
  • Patent number: 11100852
    Abstract: The present invention relates to a display device of separated type in which a panel and a main board are spaced apart from each other. The display device includes a display body including a panel, a housing spaced apart from the display body to transmit or receive a signal to or from the display body, and a cable configured to connect the display body and the housing, wherein the display body further includes a converter configured to converter power supplied from the housing via the cable into driving power for the panel.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: August 24, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Seunghak Ryu, Sungyeon Cho
  • Patent number: 11099698
    Abstract: Disclosed is a touchscreen panel capable of achieving an enhancement in active pen touch performance while securing a desired finger touch performance. A touchscreen integrated display device using the touchscreen panel is also disclosed. The touchscreen panel includes first touch electrodes each extending in a first direction while having a bar shape, second touch electrodes insulated from the first touch electrodes, each second touch electrode extending in a second direction while having a bar shape, to overlap with the first touch electrodes at predetermined portions thereof, first wing patterns formed at opposite longitudinal sides of each first touch electrode in regions where the first touch electrode does not overlap with the second touch electrodes, respectively, and second wing patterns formed at opposite longitudinal sides of each second touch electrode in regions where the second touch electrode does not overlap with the first touch electrodes, respectively.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: August 24, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Young-Gyu Moon, Chang-Seok Oh
  • Patent number: 11086393
    Abstract: There is provided an information processing device capable of identifying an object, individually sensing a state of the object, and providing information in accordance with a result of the sensing. The information processing device includes: a detection unit that senses an object that is present in a sensing-possible region; and a processing unit that causes the detection unit to sense the object corresponding to an identifier that is transmitted from an external device via a network and that is associated with the object in response to reception of a request that designates the identifier and transmits a response to the request to the external device on the basis of a result of the sensing.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: August 10, 2021
    Assignee: SONY CORPORATION
    Inventor: Tetsuo Ikeda
  • Patent number: 11087667
    Abstract: There are provided a pixel charging method, a circuit, a display device and a computer storage medium. The method includes: acquiring a gray-scale value of each row of sub-pixels in an image frame of an image to be displayed; determining a charging time of each row of the sub-pixels according to the gray-scale value thereof; and charging each row of the sub-pixels according to the charging time thereof when a display panel displays the image frame. The charging time of each row of sub-pixels is determined according to the gray-scale value of each row of the sub-pixels, so as to reduce a charging rate difference between two rows of sub-pixels which have a relatively larger gray-scale value difference therebetween, and achieve an effect of improving the uniformity of the charging rates of all rows of sub-pixels in the display panel.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: August 10, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Luqiang Guo, Xue Dong, Ming Chen, Shou Li, Xin Duan
  • Patent number: 11087711
    Abstract: The present disclosure provides a common voltage compensation circuit including a feedback signal input terminal and a compensation sub-circuit. The compensation sub-circuit is configured to generate a compensation voltage for compensating a common voltage according to a feedback signal from the feedback signal input terminal and a reference common voltage. The common voltage compensation circuit also includes a first filter sub-circuit, a first terminal of the first filter sub-circuit is electrically coupled to the feedback signal input terminal, and a second terminal of the first filter sub-circuit is electrically coupled to a first clock signal line. The feedback signal line arranged is adjacent to a second clock signal line, and a first clock signal in the first clock signal line and a second clock signal in the second clock signal line are inverted relative to each other. The present disclosure also provides a display driver and a display device.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: August 10, 2021
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dianzheng Dong, Weitao Chen, Xiaopeng Cui, Wenpeng Xu, Wan Lin, Haixu Wang
  • Patent number: 11079861
    Abstract: In certain embodiments, an input device includes a housing, a processor disposed in the housing, and an image sensor to track a movement of the input device with respect to an underlying surface. The image sensor includes a pixel array and operates in two modes of operation including a first mode of operation where the processor causes the image sensor to utilize a first plurality of pixels in the pixel array when tracking the movement of the input device or a second mode of operation where the processor causes the image sensor to utilize a second plurality of pixels in the pixel array when tracking the movement of the input device, where the second plurality of pixels has fewer pixels than the first plurality of pixels.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: August 3, 2021
    Assignee: Logitech Europe S.A.
    Inventors: François Morier, Olivier Theytaz