Patents Examined by Kenneth Bukowski
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Patent number: 11605331Abstract: A display device may include a display panel which displays an image based on a data voltage, a driving controller including a net power control setter which determines a scale factor for adjusting a gray scale of (N+1)th frame data based on a load of Nth frame data and a net power control reference value, where the driving controller generates a data signal based on input image data, and N is a natural number greater than or equal to 2, a data driver which converts the data signal into the data voltage and outputs the data voltage to the display panel, and a power supply voltage generator which senses a power supply current applied to the display panel in an Nth frame and generates a power supply voltage based on a current level of the power supply current.Type: GrantFiled: December 20, 2021Date of Patent: March 14, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kihyun Pyun, Sung-Mo Yang
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Patent number: 11594167Abstract: A driving method of a display device including a power source which supplies a power voltage to a power base line, and pixels connected to power branch lines commonly connected to the power base line, includes calculating a first scale factor based on input grayscales received during a first frame period; calculating first output grayscales by applying the first scale factor to first input grayscales received during a second frame period, where the second frame period is a frame period immediately next to the first frame period; displaying an image by at least a part of the pixels based on the first output grayscales; and providing a first current limiting signal to the power source and calculating a second scale factor smaller than the first scale factor when a current of the power base line exceeds a reference value.Type: GrantFiled: October 27, 2021Date of Patent: February 28, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Byeong Doo Kang, Jong Man Kim, Jae Woo Ryu, Yoon Sup Kim, Yoon Ju Kim
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Patent number: 11594166Abstract: Provided are a mura compensation circuit and a driving apparatus for a display applying the same. The mura compensation circuit includes a data remapping unit configured to remap display data of a pixel having mura so that an original gray scale range of the display data has a changed gray scale range and to provide the display data having the gray scale range in which the highest gray scale of the original gray scale range is lowered to a first gray scale of the gray scale range and the lowest gray scale of the original gray scale range is raised to a second gray scale by the remapping, and a mura compensation unit configured to perform mura compensations on the display data having the changed gray scale range and to provide the display data on which the mura compensations have been performed.Type: GrantFiled: December 23, 2020Date of Patent: February 28, 2023Assignee: SILICON WORKS CO., LTD.Inventors: Jun Young Park, Ji Won Lee
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Patent number: 11594164Abstract: A display device includes: a display panel including first and second display areas adjacent to each other; and first and second data drivers configured to drive the first and second display areas, respectively, wherein the first data driver includes: a first afterimage detector configured to receive an input image and to detect a first afterimage area including an afterimage of the first display area from the input image; a first comparator configured to compare an afterimage detection result of the first display area with an afterimage detection result of the second display area received from the second data driver; and a first coordinate corrector configured to correct coordinates of the first afterimage area in response to the afterimage detection result of the first display area and the afterimage detection result of the second display area satisfying a preset reference.Type: GrantFiled: October 28, 2021Date of Patent: February 28, 2023Assignee: Samsung Display Co., Ltd.Inventors: Hyun Jun Lim, Hyeon Min Kim, Young Wook Yoo, Jun Gyu Lee, Byung Ki Chun
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Patent number: 11587527Abstract: An embodiment method of command of an electronic device comprises controlling a screen to alternate periodically between a first phase in which the screen emits light and a second phase in which no light is emitted by the screen, and precharging a charge pump of an ambient light sensor during the first phases, the ambient light sensor comprising at least a single photon avalanche diode powered by the charge pump.Type: GrantFiled: December 18, 2020Date of Patent: February 21, 2023Assignee: STMicroelectronics (Research & Development) LimitedInventor: Jeffrey M. Raynor
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Patent number: 11587489Abstract: A method for driving display panel includes: for one of adjacent two frames of displayed images, when scanning odd-numbered row of sub-pixels, inputting data signals to the data lines coupled to the data selector in first order by a data selector; when scanning even-numbered row of sub-pixels, inputting data signals to the data lines coupled to the data selector in second order by the data selector; first and second orders each represents an order of inputting data signals to the data lines; first order is opposite to second order; for the other of the adjacent two frames of displayed images, when scanning odd-numbered row of sub-pixels, inputting data signals to the data lines coupled to the data selector in second order by the data selector; when scanning even-numbered row of sub-pixels, inputting data signals to the data lines coupled to the data selector in first order by the data selector.Type: GrantFiled: October 29, 2021Date of Patent: February 21, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhenguo Zhou, Xuewen Cao, Site Cai, Jian Ren, Xiaoping Zhang, Litao Fan, Xiaojuan Gao, Jian Zhang, Shuqian Dou, Yingxue Yu, Yujie Liu, Dongxu Yang, Yaodong Wang, Luo Zhang, Siqi Yin, Xianfeng Mao, Mengxing Xu
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Patent number: 11579734Abstract: A touch sensor including a base layer including a sensing area and a non-sensing area, first and second sensor patterns disposed in the sensing area and arranged along first and second directions, respectively, first bridge patterns arranged along the first direction, second bridge patterns arranged along the second direction, and sensing lines disposed in the non-sensing area and connected to each of the first and second sensor patterns, in which each of the sensing lines includes a first metal layer and a second metal layer with an insulating layer interposed therebetween, each of the sensing lines has a first portion and a second portion, the second portion corresponding to at least one of the first bridge patterns disposed at a corner portion of the sensing area, and the second portion of at least one of the sensing lines has a single layer structure including only the second metal layer.Type: GrantFiled: January 10, 2022Date of Patent: February 14, 2023Assignee: Samsung Display Co., Ltd.Inventors: Deok Young Choi, Jin Yup Kim, Dan Bee Seong, Chae Young Sung, Ha Gyeong Song, Hyun Ki Hwang
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Patent number: 11574602Abstract: The display device includes a first data line group including data lines connected to pixels arranged at a first resolution; a second data line group including data lines connected to pixels arranged at the first resolution and pixels arranged at a second resolution; a first gamma compensation voltage generation unit that divides a first reference voltage and outputs a gamma compensation voltage; a second gamma compensation voltage generation unit that divides a second reference voltage and outputs gamma compensation voltages; a first data drive unit that converts pixel data into the gamma compensation voltage output from the first gamma compensation voltage generation unit and outputs a data voltage to the first data line group; and a second data drive unit that converts pixel data into the gamma compensation voltage output from the second gamma compensation voltage generation unit and outputs a data voltage to the second data line group.Type: GrantFiled: July 9, 2021Date of Patent: February 7, 2023Assignee: LG Display Co., Ltd.Inventors: Seung Jin Yoo, Hyun Gi Hong
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Patent number: 11568784Abstract: The present disclosure relates to an apparatus and method for compensating for pixel data, a display panel and a storage medium. In one or more embodiments, the method includes: obtaining a first display area and a second display area of the display panel; obtaining, by mapping respective initial pixel data of pixels in the first display area using a preset grayscale target value, respective intermediate pixel data of the pixels in the first display area; and obtaining, by compensating for respective initial pixel data of pixels in the second display area and the respective intermediate pixel data of the pixels in the first display area using preset compensation coefficients, respective target pixel data of pixels in the second display area and the first display area.Type: GrantFiled: December 21, 2021Date of Patent: January 31, 2023Assignees: BOE MLED Technology Co, , Ltd., BOE Technology Group Co., Ltd.Inventors: Mengmeng Wang, Zhitao Zhang, Xiurong Wang, Lingyun Shi, Tao Yang, Shicai Cao
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Patent number: 11562598Abstract: Examples are disclosed that relate to representing recorded hand motion. One example provides a computing device comprising a logic subsystem and a storage subsystem comprising instructions executable by the logic subsystem to receive a recorded representation of hand motion determined relative to a virtual model aligned to a first instance of an object, receive image data corresponding to an environment, and recognize a second instance of the object in the environment. The instructions are further executable to align the virtual model to the second instance of the object, and output a parametric representation of hand motion for display relative to the virtual model as aligned to the second instance of the object, such that the parametric representation is spatially consistent with the recorded representation of hand motion relative to the virtual model as aligned to the first instance of the object.Type: GrantFiled: August 1, 2019Date of Patent: January 24, 2023Assignee: Microsoft Technology Licensing, LLCInventors: Harpreet Singh Sawhney, Ning Xu
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Patent number: 11556621Abstract: A method, system, and computer program product for encoding a key touch on a device. The method may include detecting a key touch at one of two of more subareas of a key area and encoding the detected key touch into one code of a plurality of codes. Each code may be associated with one key area and one subarea of the key area. The method may perform an operation to determine whether to authorize access to a resource by determining whether the code, at least in part, authorizes the access. The key area may be marked with an indicia. The two or more subareas of the key area may be unmarked and may be of equal size. The key area may be divided into the two or more subareas by specifying two or more subregions of sensor pixels of a region of sensor pixels of a touch-sensitive screen.Type: GrantFiled: February 25, 2019Date of Patent: January 17, 2023Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Valerio Bontempi, Crescenzo Migliaccio, Simone Rutigliano, Gianluca Carugno, Antonio Di Cocco, Umberto Manganiello
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Patent number: 11551628Abstract: Disclosed are a driving method including: acquiring a first preset scanning driving signal, a second preset scanning driving signal and a preset data driving signal, and shortening the driving time of the second preset scanning driving signal so as to shorten the driving time of the second preset scanning driving signal compared to the driving time of the preset data driving signal. The even-numbered column pixels in the first row and the odd-numbered column pixels in the second row in the driving period are driven by a first preset scanning driving signal, and the odd-numbered column pixels in the first row and the even-numbered column pixels in the second row in the driving period are driven by a second preset scanning driving signal.Type: GrantFiled: February 26, 2019Date of Patent: January 10, 2023Assignee: HKC CORPORATION LIMITEDInventor: Jianfeng Shan
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Patent number: 11550158Abstract: Three-dimensional integrated circuit component(s) are described including a System-on-a-Chip (SoC) die and a separate static random-access memory (SRAM) subcomponent in a vertically stacked arrangement. Such stacked SoC/SRAM integrated circuit components may form part of a system to render artificial reality images.Type: GrantFiled: June 24, 2020Date of Patent: January 10, 2023Assignee: META PLATFORMS TECHNOLOGIES, LLCInventor: Rajendra D. Pendse
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Patent number: 11551600Abstract: A display panel is provided. The display panel includes a pixel array, multiple data lines and first scan lines. The pixel array is arranged in multiple pixel rows by multiple pixel columns, and includes a first pixel row, a second pixel row, and a third pixel row which are adjacent pixel rows. The first scan line is coupled to multiple first pixel groups. Each first pixel group includes multiple first pixels in the first pixel row and multiple second pixels in the second pixel row adjacent to the first pixel row. A display driving circuit for driving a display panel is also provided.Type: GrantFiled: January 14, 2021Date of Patent: January 10, 2023Assignee: Novatek Microelectronics Corp.Inventors: Yen-Cheng Cheng, Hsiu-Hui Yang
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Patent number: 11545076Abstract: According to one embodiment a display device includes first and second sub-pixels, first and second power lines, and a reset line. The first sub-pixel includes a first light emitting element and a first pixel circuit. The second sub-pixel includes a second light emitting element and a second pixel circuit. The first power line supplies power to the first pixel circuit. The second power line supplies power to the second pixel circuit. Reset signal is supplied to the reset line. The reset line and the power lines are arranged in a display region. The reset line is connected to both the pixel circuits. A width of the first power line is larger than a width of the second power line.Type: GrantFiled: July 2, 2021Date of Patent: January 3, 2023Assignee: Japan Display Inc.Inventors: Yoshinori Aoki, Akihiro Ogawa, Masanobu Ikeda
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Patent number: 11538442Abstract: A method of presenting visual information to a user includes detecting a position of a display relative to a surrounding environment, detecting movement of the display relative to the surrounding environment in real time, and updating a present of visual information on the display relative to a virtual reference frame updated in real time based upon the movement of the display relative to the surrounding environment.Type: GrantFiled: April 13, 2018Date of Patent: December 27, 2022Assignee: Microsoft Technology Licensing, LLCInventors: Kae-Ling Jacquline Gurr, Young Soo Kim, Ryan Eugene Whitaker, Aaron Naoyoshi Sheung Yan Woo, Bryan Kim Mamaril
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Patent number: 11538423Abstract: A display device includes a timing controller for calculating an average luminance for each subpixel with respect to an input image, calculating afterimage influence for each subpixel for determining a possibility of causing afterimage for each subpixel position on the basis of the average luminance, and deriving a compensation gain for each subpixel on the basis of the afterimage influence for each subpixel to provide the input image as a compensated image, a data driver for outputting a data voltage on the basis of the compensated image output from the timing controller, and a display panel for displaying an image on the basis of the data voltage.Type: GrantFiled: September 23, 2021Date of Patent: December 27, 2022Assignee: LG Display Co., Ltd.Inventor: Min Cheol Kim
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Patent number: 11538282Abstract: Examples are disclosed that relate to representing recorded hand motion. One example provides a computing device comprising a logic subsystem and a storage subsystem comprising instructions executable by the logic subsystem to receive a recorded representation of hand motion determined relative to a virtual model aligned to a first instance of an object, receive image data corresponding to an environment, and recognize a second instance of the object in the environment. The instructions are further executable to align the virtual model to the second instance of the object, and output a parametric representation of hand motion for display relative to the virtual model as aligned to the second instance of the object, such that the parametric representation is spatially consistent with the recorded representation of hand motion relative to the virtual model as aligned to the first instance of the object.Type: GrantFiled: August 1, 2019Date of Patent: December 27, 2022Assignee: Microsoft Technology Licensing, LLCInventors: Harpreet Singh Sawhney, Ning Xu
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Patent number: 11538388Abstract: A light regulation method is described that includes: obtaining actual brightness of light of a first color in a pixel unit, based on brightness and color coordinate of a pinhole light-emitting area, brightness and color coordinate of a first sub-pixel light-emitting area in the pixel unit, and relative position information of the pinhole light-emitting area and the pixel unit; obtaining standard brightness of the light of the first color in the pixel unit under a preset gray-scale white balance, based on the color coordinates of the first sub-pixel light-emitting area, a second sub-pixel light-emitting area and a third sub-pixel light-emitting area; and comparing the actual brightness with the standard brightness of the pixel unit, and changing the brightness of the first sub-pixel light-emitting area until the actual brightness of the light of the first color in the pixel unit is equal to the standard brightness of the light of the first color.Type: GrantFiled: May 26, 2021Date of Patent: December 27, 2022Assignee: Beijing BOE Technology Development Co., Ltd.Inventor: Wenxiu Zhu
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Patent number: 11532260Abstract: Disclosed are display panel and display device. The display panel includes plurality of pixel repetitive units arranged in array. Each pixel repetitive unit includes two first sub-pixels, two second sub-pixels and four third sub-pixels, and light emitting colors of two first sub-pixels, two second sub-pixels and four third sub-pixels are different. For each pixel repetitive unit, centers of four third sub-pixels constitute first virtual square, one first sub-pixel located inside the first virtual square, and center of the first virtual square doesn't overlap center of one first sub-pixel located inside the first virtual square; and centers of two first sub-pixels and centers of two second sub-pixels constitute first virtual parallelogram, and one third sub-pixel located inside the first virtual parallelogram. The arrangement of the third sub-pixels can reduce display serrated sense of vertical line array and improve display effect of vertical line, thereby improving display effect of display panel.Type: GrantFiled: August 12, 2021Date of Patent: December 20, 2022Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Wei Huang, Lu Xiao, Qin Yue, Yangzhao Ma, Zhongjie Zhang