Patents Examined by Long D Pham
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Patent number: 11984097Abstract: A display apparatus and a display method for a multi-layer superimposition are provided. When a display presents a user interface, a touch trajectory from a user can be detected via a touch component, and a touch trajectory pattern is present in a first layer; upon obtaining the touch trajectory pattern, an interpolation operation can also be performed on the touch trajectory pattern in the first layer according to a background pattern in a second layer; finally, a converted pattern obtained after the interpolation operation and the background pattern are superimposed and presented on the display.Type: GrantFiled: January 20, 2023Date of Patent: May 14, 2024Assignee: HISENSE VISUAL TECHNOLOGY CO., LTD.Inventors: Baocheng Li, Min Wang, Zhenbao Zhang, Ying Cao, Jiashan Liu, Hong Yu
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Patent number: 11974471Abstract: The present disclosure provides a display panel and a display device. The display panel includes a first substrate, a first driving circuit layer located on the first substrate, a second substrate located on the first driving circuit layer, and a second driving circuit layer located on the second substrate, and a pixel electrode layer located on the second driving circuit layer.Type: GrantFiled: July 20, 2020Date of Patent: April 30, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Huihui Zhao, Wenxu Xianyu
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Patent number: 11967287Abstract: A column driver integrated circuit (IC) which drives a first group of pixel lines connected to a first group of pixels included in a display panel, and a second group of pixel lines connected to a second group of pixels included in the display panel, the column driver IC including: a master gray scale voltage generation circuit configured to divide a reference voltage to generate tap voltages, and to generate a first low-power mode gray scale voltage based on at least one of the tap voltages; and a first low-power mode amplifier configured to drive the first group of pixel lines based on the first low-power mode gray scale voltage.Type: GrantFiled: September 22, 2022Date of Patent: April 23, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Donghan Lee, Yong-Hun Kim
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Patent number: 11967272Abstract: A sweep voltage generator and a display panel are provided. The sweep voltage generator includes an output node, a current generating block and a voltage regulating block. The output node is used to provide a sweep signal. The current generating block is coupled to the output node, includes a detection path for detecting an output load variation on the output node, and adjusts the sweep signal provided by the output node based on the output load variation. The voltage regulating block is coupled to the output node for regulating a voltage of the output node.Type: GrantFiled: December 9, 2022Date of Patent: April 23, 2024Assignees: AUO Corporation, National Cheng-Kung UniversityInventors: Chih-Lung Lin, Yi-Chen Huang, Chih-I Liu, Po-Cheng Lai, Ming-Yang Deng, Chia-En Wu, Ming-Hung Chuang, Chia-Tien Peng
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Patent number: 11961482Abstract: A pixel circuit and a pixel drive method. The pixel circuit includes at least two sub-pixel drive sub-circuits, the sub-pixel drive sub-circuits include an input component, a compensation component, a drive component, a first light-emitting control component and a first light-emitting element, the input component is configured to receive a data voltage signal and a first scan signal. The compensation component is configured to receive a second scan signal. The first light-emitting control component is configured to receive a power supply signal and a first control signal. An output of the drive component in the plurality of sub-pixel drive sub-circuits is coupled to an output of a first reset sub-circuit, and the first reset sub-circuit is configured to receive an initial voltage signal and a third scan signal.Type: GrantFiled: December 21, 2022Date of Patent: April 16, 2024Assignee: HKC CORPORATION LIMITEDInventors: Zhaoyang Lu, Haoxuan Zheng
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Patent number: 11955076Abstract: An example method includes estimating, based on content to be displayed at a display of a mobile computing device at a future time, an amount of power to be used by the display at the future time; selecting, based on the estimated power level, a power converter of a plurality of power converters of the mobile computing device, each of the plurality of power converters optimized for a different output power range; and causing electrical power from the selected power converter to be supplied to the display at the future time.Type: GrantFiled: July 10, 2020Date of Patent: April 9, 2024Assignee: Google LLCInventors: Ji Hoon Lee, Sun-il Chang, Sang Young Youn
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Patent number: 11948486Abstract: An integrated circuit with data communication stability in a noise environment includes at least one input section through which a signal is input from a user, at least one output section through which information is output in a predetermined form, and a microcontroller unit (MCU), independently of the microcontroller unit (MCU), and communicates with the microcontroller unit to control, on the basis of the input signal generated from the at least one input section, output driving of the output section corresponding thereto, the integrated circuit including: a serial interface that includes an Rx pin for receiving a data signal from the microcontroller unit by forming a signal reception line with respect to the microcontroller unit and a Tx pin for transmitting a data signal to the microcontroller unit by forming a signal transmission line with respect to the microcontroller unit.Type: GrantFiled: October 27, 2022Date of Patent: April 2, 2024Assignee: FINDEACHIP Inc.Inventors: Dong Yeol Ryu, Kwang Hyun Ryoo, Yeon Hun Choi
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Patent number: 11942025Abstract: A display device includes a substrate, a plurality of pixel electrodes on the substrate and spaced apart from each other, a plurality of light-emitting elements on the plurality of pixel electrodes, respectively, and a common electrode layer on the plurality of light-emitting elements and to which a common voltage is applied. The plurality of light-emitting elements include a first light-emitting element that is configured to emit first light according to a first driving current and a second light-emitting element that is configured to emit second light according to a second driving current. An active layer of the first light-emitting element is the same as an active layer of the second light-emitting element.Type: GrantFiled: June 30, 2022Date of Patent: March 26, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jin Wan Kim, Seung Geun Lee, Sang Jo Kim, Su Jeong Kim, Young Jin Song, Byung Ju Lee
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Patent number: 11942043Abstract: Provided is a display device.Type: GrantFiled: November 21, 2022Date of Patent: March 26, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Changnoh Yoon, Soon-Dong Kim, Sangan Kwon, Seungjae Lee, Junheyung Jung
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Patent number: 11935485Abstract: A display device that includes a plurality of scanning lines, a plurality of data lines, and a pixel unit in which a pixel is specified by the scanning line and the data line, in which image data of one line is simultaneously displayed for a plurality of adjacent scanning lines, image data to be simultaneously displayed is made different between an N frame and an (N+1) frame that are temporally consecutive, and the image data is shifted by one line, and the image data of a last scanning line of at least one of the N frame or the (N+1) frame is hidden.Type: GrantFiled: December 7, 2020Date of Patent: March 19, 2024Assignee: Sony Semiconductor Solutions CorporationInventors: Chiaki Kon, Noboru Tanigawa, Takafumi Nishioka, Kouichi Hashikaki, Toshinobu Sekiuchi
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Patent number: 11935453Abstract: A display device includes four pixel arrays, a data driver, and a demultiplexer. The data driver is electrically connected to first and second data output lines. The demultiplexer electrically connects first and second data lines to the first data output line and electrically connects third and fourth data lines to the second data output line. The first to fourth pixel arrays are adjacent to the first to fourth data lines, respectively. Each of the first to fourth pixel arrays includes first and second color pixels. The first color pixels in the second pixel array are connected to the second data line, the second color pixels in the second pixel array are connected to the third data line, the second color pixels in the third pixel array are connected to the third data line, and the first color pixels in the third pixel array are connected to the second data line.Type: GrantFiled: December 20, 2021Date of Patent: March 19, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sehyuk Park, Jinyoung Roh, Woomi Bae, Hae-Kwan Seo, Youngha Sohn, Jin-Wook Yang
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Patent number: 11928260Abstract: A control method and an electronic device are provided. The method includes: receiving a first input for a function control in a case that the function control is displayed in a first manner; and displaying, in response to the first input, the function control in a second manner, outputting a first current at a first position of the function control, and outputting a second current at a second position of the function control, where an input position of the first input includes at least one of the first position and the second position.Type: GrantFiled: October 3, 2022Date of Patent: March 12, 2024Assignee: Vivo Mobile Communication Co., Ltd.Inventor: Chuangjie Luo
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Patent number: 11922543Abstract: A method, performed by a coloring apparatus, of coloring a sketch image includes adding a color pointer on the sketch image, according to an input of a user; determining an object related to a point where the color pointer is located, from among objects configuring the sketch image; and generating a colored image by coloring the determined object, based on a color of the color pointer.Type: GrantFiled: January 18, 2022Date of Patent: March 5, 2024Assignee: NAVER WEBTOON LTD.Inventors: Jun Hyun Park, Yu Ra Shin, Du Yong Lee, Joo Young Moon
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Patent number: 11915654Abstract: A drive circuit of a display panel and a display device are provided in the disclosure. The drive circuit includes a voltage output module. The voltage output module includes a voltage input terminal, a voltage output terminal, a detection module, and an isolation module. The voltage input terminal is configured to receive a voltage signal. The voltage output terminal is electrically coupled with the display panel. The detection module is electrically coupled with the voltage input terminal and configured to determine whether a voltage value of the voltage signal received at the voltage input terminal is greater than or equal to a preset voltage threshold. The detection module is configured to output a second control signal when the voltage value of the voltage signal is less than the preset voltage threshold.Type: GrantFiled: December 29, 2022Date of Patent: February 27, 2024Assignee: HKC CORPORATION LIMITEDInventors: Renjie Zhou, Rongrong Li
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Patent number: 11908422Abstract: A digital-analog converter of the disclosure converts digital image data to generate analog data signals. The digital-analog converter includes a voltage divider which generates a plurality of gamma reference voltages based on a first reference voltage and a second reference voltage; a global ramp including a plurality of gamma decoders which generates a plurality of global gamma voltages based on the gamma reference voltages; a decoder which selects one of the global gamma voltages according to the digital image data to generate the analog data signals; and a ramp controller which turns off at least some of the gamma decoders based on the digital image data.Type: GrantFiled: November 14, 2022Date of Patent: February 20, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyung Gun Ma, Oh Jo Kwon, Ji Woong Kim, Jun Yong Song, Seong Joo Lee, Sang Hyun Heo
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Display apparatus having an initial period with multiple refreshes and method for operating the same
Patent number: 11908421Abstract: Disclosed are a display apparatus capable of changing a refresh period to improve response characteristics under a low-speed operation mode, and a method for operating the apparatus. The display apparatus includes a display panel; and a panel driving circuit configured to drive the display panel, wherein in a low-speed operation mode, the apparatus is configured to control the panel driving circuit to: perform multiple refreshes during an initial period of the first frame; and, after the multiple refreshes, change a refresh period and perform refreshes based on the changed refresh period.Type: GrantFiled: October 20, 2022Date of Patent: February 20, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Sanghun Yoon, Kyeongtaek Min -
Patent number: 11900884Abstract: A display substrate and a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, including a pixel array region and a peripheral region; and a first scan driving circuit, a plurality of power lines, a first signal line group, and a second signal line group, which are in the peripheral region and located on a first side of the base substrate. The first scan driving circuit includes a plurality of cascaded first shift registers; the plurality of power lines are configured to provide a plurality of power voltages to the plurality of cascaded first shift registers in the first scan driving circuit; the first signal line group includes at least one timing signal line; and the second signal line group is on a side of the plurality of power lines and the first signal line group away from the pixel array region.Type: GrantFiled: June 30, 2022Date of Patent: February 13, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chao Zeng, Weiyun Huang, Yue Long, Yao Huang, Meng Li
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Patent number: 11881175Abstract: A pixel driving circuit, a display panel, and a display device. The pixel driving circuit includes a driving transistor, a data-writing sub-circuit; and a voltage stabilization sub-circuit. The voltage stabilization sub-circuit is coupled to a first control terminal of the driving transistor and is configured to keep a voltage at the first control terminal of the driving transistor to be stable in a reset stage. The voltage at the first control terminal of the driving transistor is kept stable through the voltage stabilization sub-circuit in the reset stage, so that the voltage at the output of the driving transistor is relatively constant, characteristics of a switching element of the driving transistor is ensured, an effect of homogeneous luminance is realized, and a display effect and a stability of displaying of the display panel are improved.Type: GrantFiled: December 14, 2022Date of Patent: January 23, 2024Assignee: HKC CORPORATION LIMITEDInventors: Xiufeng Zhou, Xin Yuan, Rongrong Li
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Patent number: 11881174Abstract: An OLED drive circuit and an OLED display device. The OLED drive circuit includes a sub-drive circuit, a sub-switch circuit, a sub-detection circuit and a sub-compensation circuit; the sub-drive circuit is configured to output a driving voltage to an OLED; the sub-detection circuit is configured to detect the driving voltage of the sub-drive circuit when a circuit path between the sub-drive circuit and the OLED is disconnected; and the sub-compensation circuit is configured to output a data voltage output by the data line according to the driving voltage detected by the sub-detection circuit. According to the OLED drive circuit, a change of the driving current flowing into the OLED can be reduced, and an image quality of the OLED display device can be improved accordingly.Type: GrantFiled: December 14, 2022Date of Patent: January 23, 2024Assignee: HKC CORPORATION LIMITEDInventor: Xueyong Huang
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Patent number: 11869444Abstract: A display device includes a timing controller for supplying a clock training signal through a data clock signal line in a first period of one frame period, and supplying image data through the data clock signal line in a second period of the one frame period, a data driver for generating a clock signal, based on the clock training signal in a clock training period in the first period, and generating a data signal, based on the clock signal and the image data in the second period, and a pixel unit for displaying an image, based on the data signal. The clock training signal includes a plurality of signal levels, and the data driver determines the clock training period, based on the signal levels of the clock training signal.Type: GrantFiled: July 28, 2022Date of Patent: January 9, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chae Hee Park, Jong Soo Kim, Heen Dol Kim, Ji Ye Lee, Young Suk Jung