Patents Examined by Kenneth B Lee, Jr.
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Patent number: 11915648Abstract: A display apparatus includes a display panel and an emission time control chip. The display panel has a plurality of sub-pixels, and each sub-pixel includes a light emitting device, a pixel driving circuit, and an emission time control circuit. The pixel driving circuit is configured to provide a driving signal for driving the light emitting device to emit light. The emission time control circuit is configured to connect the pixel driving circuit to the light emitting device in response to an emission control signal to control a duration of transmission of the driving signal to the light emitting device. The light emitting time control chip includes at least one output terminal. The emission time control chip is configured to transmit emission time control signals to the light emitting time control circuits of the plurality of sub-pixels through the at least one output terminal.Type: GrantFiled: February 19, 2021Date of Patent: February 27, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xu Lu, Wen Xu, Lianbin Liu, Lingyuan Zeng, Hui Wen, Zhaolun Liu
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Patent number: 11915643Abstract: A display substrate and a drive method thereof and a display device. The display substrate includes a base substrate and a plurality of sub-pixels on the base substrate, each sub-pixel includes a pixel circuit, and the pixel circuit includes a first reset sub-pixel. The first reset sub-pixel is configured to apply a first reset voltage to a light-emitting element in response to a first reset control voltage to reversely bias the light-emitting element.Type: GrantFiled: May 6, 2020Date of Patent: February 27, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hongting Lu, Yuhsiung Feng, Xin Mou, Chenyu Chen, Shuang Zhao, Zhongliu Yang, Jing Yang, Wenbo Chen
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Patent number: 11916174Abstract: An interpolated flat-panel display comprises a display substrate, pixel controllers disposed in a controller array over the display substrate, and pixels disposed in a pixel array over the display substrate. Each pixel controller is connected to one or more control lines and is operable to output pixel information. Each pixel is operable to emit light in response to pixel information received from a pixel controller. The pixel array is larger than the controller array, each pixel is connected to at least one pixel controller, and at least some pixels are interpolated pixels connected to at least two pixel controllers and are operable to emit light in response to pixel information received from the at least two pixel controllers.Type: GrantFiled: December 22, 2022Date of Patent: February 27, 2024Assignee: X Display Company Technology LimitedInventors: Christopher Andrew Bower, Ronald S. Cok, Matthew Alexander Meitl
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Patent number: 11906743Abstract: An augmented reality or virtual reality display device is disclosed. A first input grating (6; 106; 306; 406; 506) is provided on a waveguide assembly to receive light from a first projector (2; 102; 202; 302; 402; 502) and to couple the light into the at least one waveguide. A second input grating (116; 316; 416; 516) is provided to receive light from a second projector (12; 112; 212; 312; 412; 512) and couple the light into the at least one waveguide. An output diffractive optical element couples light out of the at least one waveguide towards a notional viewing position. The first projector provides light to the first input diffractive optical element in a direction that is at a first angle to a waveguide normal vector, and the second projector is configured to provide light to the second input diffractive optical element in a direction that is at a second angle to the waveguide normal vector.Type: GrantFiled: January 20, 2020Date of Patent: February 20, 2024Assignee: Snap Inc.Inventor: Mohmed Salim Valera
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Patent number: 11896893Abstract: An information processing device obtains information regarding the position of each fingertip of a user in a real space, and determines contact between a virtual object set within a virtual space and a finger of the user. The information processing device sets the virtual object in a partly deformed state such that a part of the virtual object, the part corresponding to the position of the finger determined to be in contact with the object among the fingers of the user, is located more to a far side from a user side than the finger, and displays the virtual object having the shape set thereto as an image in the virtual space on a display device.Type: GrantFiled: February 27, 2023Date of Patent: February 13, 2024Assignee: Sony Interactive Entertainment Inc.Inventor: Yoshinori Ohashi
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Patent number: 11892710Abstract: A system comprises an eyewear device that includes a frame, a temple connected to a lateral side of the frame, a fingerprint sensor, and a sensing circuit. The fingerprint sensor includes an input surface to receive input of a finger skin surface. The sensing circuit is configured to track a pattern of fingerprint ridges of the finger skin surface on the input surface. Execution of programming by a processor configures the system to perform functions to track, via the sensing circuit, the pattern of fingerprint ridges of the finger skin surface on the input surface; generate a fingerprint image having the tracked pattern of fingerprint ridges; extract fingerprint features from the fingerprint image; and authorize the user to utilize the eyewear device based on the extracted fingerprint features.Type: GrantFiled: August 23, 2022Date of Patent: February 6, 2024Assignee: Snap Inc.Inventors: Julio Cesar CastaƱeda, Rajeev Ramanath
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Patent number: 11875742Abstract: A display drive circuit, a drive method thereof, and a display device are disclosed. The display drive circuit includes: a pixel circuit and a compensation circuit, the pixel circuit includes: a drive transistor, a light emitting device, a storage capacitor, and a gating sub-circuit configured to control connection and disconnection between the control electrode of the drive transistor and a control terminal of the compensation circuit and connection and disconnection between a second electrode of the light emitting device and a sensing terminal of the compensation circuit in response to a signal of a scanning line; the compensation circuit includes: a voltage generating sub-circuit configured to generate a sensing voltage according to the drive current and a target data voltage, and a voltage adjusting sub-circuit configured to adjust a voltage of the control terminal according to the sensing voltage and a voltage of a second power supply terminal.Type: GrantFiled: May 19, 2021Date of Patent: January 16, 2024Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenpeng Xu, Dianzheng Dong, Qiang Zhang, Guangxing Wang, Haiqin Huang, Wan Lin, Haixu Wang, Leiyang Wang
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Patent number: 11875733Abstract: A method of driving a display device, includes: supplying a first sensing data signal corresponding to a first grayscale, first power having a first sensing voltage, and a reference voltage to a pixel during a first sensing period; sensing a first sensing current, generated based on the first sensing voltage, from the pixel during the first sensing period; supplying a second sensing data signal corresponding to a second grayscale and different from the first sensing data signal, the first power having a second sensing voltage, and the reference voltage to the pixel during a second sensing period; sensing a second sensing current, generated based on the second sensing voltage different from the first sensing voltage, from the pixel during the second sensing period; and calculating characteristics of a driving transistor of the pixel using the first sensing current and the second sensing current.Type: GrantFiled: June 12, 2020Date of Patent: January 16, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young Soo Hwang, Hideo Yoshimura
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Patent number: 11862070Abstract: A source driver includes: a first gradation voltage generation unit generating a gradation voltage of a first polarity supplied to a pixel on a first source line; a first amplifier receiving the gradation voltage of the first polarity to an input end, amplifying it, and outputting a voltage from an output end; a second gradation voltage generation unit generating a gradation voltage of a second polarity opposite to the first polarity to be supplied to a pixel on a second source line provided in the vicinity of the first source line; a second amplifier receiving the gradation voltage of the second polarity to an input end, amplifying it, and outputting a voltage from an output end; and a voltage comparison unit comparing a voltage of the input end of the second amplifier with the voltage of the output end of the second amplifier and outputs a comparison result.Type: GrantFiled: March 13, 2022Date of Patent: January 2, 2024Assignee: LAPIS Technology Co., Ltd.Inventors: Kenichi Shiibayashi, Kenichi Shigeta
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Patent number: 11862119Abstract: According to an aspect, a display device includes a display panel configured to display an image; and a light source configured to emit light to the display panel. The light source includes a first light source configured to emit light in a first primary color, a second light source configured to emit light in a second primary color, and a third light source configured to emit light in a third primary color. A frame period that is a display period of one frame image includes a predetermined number of subframe periods, the predetermined number is four or greater, and color reproduction of the one frame image is performed by a combination of colors that are output in the predetermined number of subframe periods. An output order of colors of the subframe periods is an order of colors in a clockwise direction or in a counterclockwise direction in a hue circle.Type: GrantFiled: October 6, 2021Date of Patent: January 2, 2024Assignee: Japan Display Inc.Inventor: Tomoyuki Ishihara
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Patent number: 11854496Abstract: The display device includes a display panel in which a first display area and a second display area adjacent to the first display area are defined, a data driving circuit which drives the plurality of data lines, a scan driving circuit which drives the plurality of scan lines, and a driving controller which receives an image signal and a control signal, and controls the data driving circuit and the scan driving circuit based on an operation mode, where the driving controller includes a luminance deviation compensation unit which compensates for luminance deviation of the first display area and the second display area when the operation mode is a multi-frequency mode in which the first display area is driven at a first frequency and the second display area is driven at a second frequency different from the first frequency.Type: GrantFiled: November 7, 2022Date of Patent: December 26, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Soon-Dong Kim, Sangan Kwon, Changnoh Yoon, Seungjae Lee
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Patent number: 11854483Abstract: The present application discloses a current-driven display device of an internal compensation type in which threshold compensation of a drive transistor is appropriately performed without causing a decrease in display quality or a decrease in yield during manufacturing, and display luminance is improved while a drive voltage is maintained. A pixel circuit 15 in the display device includes first and second drive transistors M1a, M1b, and the gate terminals thereof are connected to each other and connected to a holding capacitor Cs. During the data write period, a voltage of a corresponding data signal line Dj is written to the holding capacitor Cs via the first drive transistor M1a, having been set in a diode connection mode by a threshold compensation transistor M3, to perform data writing accompanied by threshold compensation.Type: GrantFiled: October 31, 2019Date of Patent: December 26, 2023Assignee: SHARP KABUSHIKI KAISHAInventors: Naoki Ueda, Ryohei Morita
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Patent number: 11854478Abstract: The present application discloses a current-driven display device that can perform accurate external compensation in consideration of a temperature distribution in a display panel while preventing the configuration from being complicated. A display portion of an organic EL display device is provided with a plurality of temperature detection circuits in addition to pixel circuits arranged in a matrix. A data-side drive circuit measures a current flowing through a transistor in each temperature detection circuit.Type: GrantFiled: May 31, 2019Date of Patent: December 26, 2023Assignee: SHARP KABUSHIKI KAISHAInventors: Masaaki Moriya, Masafumi Ueno, Naoki Shiobara
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Patent number: 11854493Abstract: The present disclosure provides a display substrate and a display device, and belongs to the field of display technology. The display substrate of the present disclosure includes: a base substrate; and a plurality of pixel units arranged in an array, a plurality of signal lines and signal supply modules on the base substrate; wherein the signal supply module includes: a signal supply circuit and a redundant signal supply circuit; each of the signal supply modules is electrically coupled to at least one of the plurality of pixel units through at least one of the plurality of signal lines.Type: GrantFiled: November 27, 2019Date of Patent: December 26, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiao Zhao, Li Xiao, Minghua Xuan, Haoliang Zheng, Dongni Liu, Jing Liu, Qi Qi
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Patent number: 11847962Abstract: The present invention provides an active mini LED display and driving method thereof. The driving method comprises: controlling a gate voltage of the metal oxide field effect transistor by a voltage to modulate the current and luminous brightness required to driver the light emitting diode; processing display data to generate timing-controlled channel signals and scanning signals to driver transistors and light emitting diodes to achieve image display; modulating scanning voltage signals or channel voltage signals into analog-type voltages and/or pulse-width-type voltages, and then compensating the unevenness in brightness produced by the epitaxy of each light-emitting diode. The driving method of the active mini LED display of the present invention can reduce the power loss of transmission, and can integrate with various light emitting diodes within a small pixel pitch to manufacture various displays by means of heterogeneous polycrystalline wafer-level packaging.Type: GrantFiled: February 10, 2023Date of Patent: December 19, 2023Inventors: Tai-Hui Liu, Chung-Hsi Liu
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Patent number: 11841508Abstract: A light source includes an array of micro-light emitting diodes (micro-LEDs), an array of micro-lenses, and a bonding layer bonding the array of micro-lenses to the array of micro-LEDs. Each micro-LED of the array of micro-LEDs includes a first mesa structure formed in a plurality of semiconductor layers. The array of micro-lenses is bonded to a first semiconductor layer of the plurality of semiconductor layers by the bonding layer. The first semiconductor layer includes an array of second mesa structures formed therein. The first mesa structure and the second mesa structure are on opposite sides of the plurality of semiconductor layers. Each second mesa structure of the array of second mesa structures is aligned with a respective micro-lens of the array of micro-lenses and the first mesa structure of a respective micro-LED of the array of micro-LEDs.Type: GrantFiled: April 13, 2022Date of Patent: December 12, 2023Assignee: META PLATFORMS TECHNOLOGIES, LLCInventors: Samir Mezouari, Andrea Pinos, Wei Sin Tan, John Lyle Whiteman
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Patent number: 11836829Abstract: In a display control method for displaying a first image and a second image each indicating a page constituting a document side by side on a virtual axis of a display face, the method includes adding, to the first image, an object extending outside an image face of the first image when a first operation is received from a user on the first image; and moving the second image in a predetermined direction when a second operation is received from the use on the second image.Type: GrantFiled: April 25, 2022Date of Patent: December 5, 2023Assignee: Seiko Epson CorporationInventor: Yusuke Yamada
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Patent number: 11837187Abstract: A driving method of a display panel, a driving device, a display device, and a storage medium are provided. The driving method of the display panel includes: obtaining an input image that is to be displayed; determining a display picture corresponding to the plurality of display pixels of the display screen according to the input image; determining a first dimming picture corresponding to the plurality of dimming pixels of the dimming screen according to the input image, and processing the first dimming picture to obtain a second dimming picture; providing the display picture to make the dimming screen perform backlight modulation on the display screen according to the second dimming picture, and providing the second dimming picture to make the display screen display the input image according to the display picture.Type: GrantFiled: May 31, 2021Date of Patent: December 5, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY PRESY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yanhui Xi, Tiankuo Shi, Xiaomang Zhang, Yan Sun, Shuo Zhang, Zhihua Ji, Wei Sun, Ming Chen
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Patent number: 11837142Abstract: The present disclosure relates to an array substrate and a display device. The array substrate includes a plurality of initialization signal lines and a plurality of connection lines. The initialization signal lines are arranged in a conductive layer, extend along a first direction and are arranged at intervals along a second direction, and are used to provide initialization signals to the sub-pixels. The connection lines are arranged in another conductive layer, extend along the second direction and are arranged at intervals along the first direction. Projections of at least one initialization signal line and at least one connection line on the base substrate intersect, and the at least one initialization signal line and the at least one connection line are connected through a via hole, so that the projections of the initialization signal lines and the connection lines on the substrate form a grid-like structure.Type: GrantFiled: February 4, 2021Date of Patent: December 5, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Long Han, Libin Liu, Lujiang Huangfu
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Patent number: 11837137Abstract: A display panel, an electronic device and a method are provided. The display panel includes: a base substrate; a plurality of sub-pixels arranged in a matrix; a plurality of data lines and a plurality of gate lines, the data line intersect the gate line; at least some of the plurality of sub-pixels are divided into a plurality of sub-pixel association groups, each sub-pixel association group includes a plurality of sub-pixels of a same color electrically connected to a same data line; the display panel further includes an associated pixel control circuit configured to independently perform data writing on the plurality of sub-pixels of the same color in the sub-pixel association group in the first image display mode; and synchronously perform data writing on the plurality of sub-pixels of the same color electrically connected to the same data line in the sub-pixel association group in the second image display mode.Type: GrantFiled: January 6, 2021Date of Patent: December 5, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kuanjun Peng, Tieshi Wang, Hui Zhang