Patents Examined by Kenneth Bukowski
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Patent number: 11663951Abstract: Provided is a technology for resolving a mura phenomenon in a display panel to which gamma is applied, in which demura compensation values are generated in a log domain to improve a problem of nonlinearity due to gamma.Type: GrantFiled: November 19, 2021Date of Patent: May 30, 2023Assignee: LX SEMICON CO., LTD.Inventors: Jun Young Park, Do Yeon Kim, Min Ji Lee, Gang Won Lee, Young Kyun Kim, Ji Won Lee
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Patent number: 11662813Abstract: A method, system, computer readable media and cloud systems are provided. In one example a method includes generating a virtual reality (VR) environment to be rendered for a head mounted display (HMD) of an HMD player during a session. The HMD player is provided with an HMD view that is controlled by movement of a character in the VR environment by the HMD player. The method includes providing a spectator view into the VR environment. The spectator view is associated with a viewing spot directed into the VR environment. Then, automatically moving said viewing spot of the spectator view to other viewing spots that follow the character in the VR environment. Moving the viewing spot of the spectator view has a delay in movement to follow the HMD view, and said delay in movement does not delay time progress for the session.Type: GrantFiled: November 1, 2021Date of Patent: May 30, 2023Assignee: Sony Interactive Entertainment Inc.Inventors: Richard Marks, Steven Osman
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Patent number: 11656712Abstract: An example a method of detecting a force applied to a side of an input device including sensor electrodes, the method including: detecting first capacitive responses corresponding to a first plurality of sensor electrodes disposed near the side of the input device; detecting second capacitive responses corresponding to a second plurality of sensor electrodes disposed near a center of the input device; and determining a magnitude of the force applied to the side of the input device based on at least one of: a number of the second capacitive responses satisfying a first threshold; or magnitudes of the second capacitive responses.Type: GrantFiled: July 5, 2018Date of Patent: May 23, 2023Assignee: Synaptics IncorporatedInventors: Tetsuo Tanemura, Shunsuke Araki
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Patent number: 11650733Abstract: In accordance with some embodiments, a method is performed at a first device with one or more processors, non-transitory memory, and a display. The method includes displaying, on the display, a device control transfer affordance while operating the first device based on user input from an input device that is in communication with the first device. The method includes receiving a device control transfer user input from the input device selecting the device control transfer affordance that is displayed on the display of the first device. In response to receiving the device control transfer user input, the method includes configuring a second device to be operated based on user input from the input device and ceasing to operate the first device based on user input from the input device.Type: GrantFiled: March 18, 2020Date of Patent: May 16, 2023Assignee: APPLE INC.Inventors: Christopher Brian Fleizach, Clare T. Kasemset, Darren Christopher Minifie, Gregory F. Hughes, Ibrahim G. Yusuf, James Nathan Cartwright, James Plowden Craig, Patti P. Hoa
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Patent number: 11645963Abstract: A gamma correction method is disclosed that performs gamma correction for a display device. A plurality of correction matrices respectively corresponding to a plurality of spectrums of different test display devices is obtained. A spectrum of the display device is measured. A correction matrix corresponding to the spectrum of the display device is selected from the plurality of correction matrices. Tristimulus data of the display device are measured and the measured tristimulus data are converted into perception tristimulus data by using the selected correction matrix. The gamma correction for the display device is performed based on the perception tristimulus data.Type: GrantFiled: November 18, 2021Date of Patent: May 9, 2023Assignee: Samsung Display Co., Ltd.Inventors: Young Jun Seo, Yongwoo Yi, Eunjung Lee, Sungchan Jo
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Patent number: 11626055Abstract: A display device includes a display panel including a gate line, a data line, and a pixel electrically connected to the gate line and the data line and that displays an image based on input image data, a gate driver which outputs a gate signal to the gate line, a data driver which outputs a data voltage to the data line, and a driving controller which controls the gate driver and the data driver. The pixel includes a first pixel that emits light in a first mode and does not emit light in a second mode and a second pixel that emits light in both the first mode and the second mode, where the second pixel has a narrower viewing angle than the first pixel. The gate line includes a first gate line connected only to the first pixel and a second gate line connected only to the second pixel.Type: GrantFiled: November 19, 2021Date of Patent: April 11, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun-Seok Jeong, Jungkook Park
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Patent number: 11626057Abstract: Embodiments of the present disclosure relate to a display assembly with color calibration for improving accuracy of displayed colors under thermal shifts. A data processing circuit of the display assembly determines color compensation coefficients corresponding to an operating temperature of a display panel, each color compensation coefficient accounting for a thermal shift of a respective color component at the operating temperature. The data processing circuit applies the color compensation coefficients to color transform elements corresponding to an initial temperature to determine a corrected version of the color transform elements corresponding to the operating temperature.Type: GrantFiled: April 1, 2022Date of Patent: April 11, 2023Assignee: Meta Platforms Technologies, LLCInventors: Yongmin Park, Haomiao Jiang, Zhang Jia, Xiaobo Tian, Agnes Lee
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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: 11605332Abstract: Systems and methods are provided for providing Response Time Compensation (RTC) by generating multiple overdrive look-up tables (LUTs) for a display device are described. In some embodiments, an Information Handling System (IHS) may include a controller and a memory coupled to the controller, the memory having program instructions stored thereon that, upon execution, cause the controller to generate multiple LUTs each having alternate grey levels selected to implement RTC in a Liquid Crystal Display (LCD), wherein the alternate grey levels of each of the LUTs is calculated, at least in part, by taking into account one of a plurality of pixel lines of a video stream.Type: GrantFiled: February 11, 2022Date of Patent: March 14, 2023Assignee: Dell Products, L.P.Inventors: Lei Guo, Zhinan Chen
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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: 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: 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: 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