Patents Examined by Ariel Balaoing
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Patent number: 11011086Abstract: A display device includes a display panel including a plurality of pixels, a power management circuit configured to generate an analog driving voltage, a correction data memory configured to store a plurality of unevenness correction data sets respectively corresponding to a plurality of analog driving voltage ranges, a controller configured to determine, among the plurality of analog driving voltage ranges, a current analog driving voltage range to which the analog driving voltage output from the power management circuit belongs, to select an unevenness correction data set corresponding to the current analog driving voltage range from the plurality of unevenness correction data sets stored in the correction data memory, and to correct image data based on the selected unevenness correction data set, and a source driver configured to receive the corrected image data from the controller, and to provide the plurality of pixels with data voltages corresponding to the image data.Type: GrantFiled: June 21, 2019Date of Patent: May 18, 2021Assignee: Samsung Display Co., Ltd.Inventors: Jinwoo Park, Eun Suk Kim, Hoemi Kim, Kwangyoul Lee
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Patent number: 10984739Abstract: The invention relates to a ghost relieving circuit for a display panel including a digital-to-analog converter, a first switching circuit, a second switching circuit, and a gamma chip. The gamma chip is connected to the digital-to-analog converter and configured to provide a plurality of reference voltages to the digital-to-analog converter. The digital-to-analog converter is individually connected to the first switching circuit and the second switching circuit, the first switching circuit is connected to receive a first working voltage and a positive-polarity reference voltage and has an positive-polarity data voltage output end, the second switching circuit is connected to receive a second working voltage and a negative-polarity reference voltage and has a negative-polarity data voltage output end, and the positive-polarity reference voltage is less than the negative-polarity reference voltage.Type: GrantFiled: April 29, 2019Date of Patent: April 20, 2021Assignee: XIANYANG CAIHONG OPTOELECTRONICS TECHNOLOGY CO., LTDInventors: Yuyeh Chen, Yuan-Liang Wu, Lei Sun
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Patent number: 10969891Abstract: Disclosed are a display panel and a display device. The display panel includes a display region; a non-display region around the display region; a touch layer including first touch electrodes and second touch electrodes, the first touch electrodes extend along a first direction and are arranged along a second direction, the second touch electrodes extend along the second direction and are arranged along the first direction, the first direction intersects with the second direction; a touch chip, each first touch electrode is connected to the touch chip through a first touch lead, each second touch electrode is connected to the touch chip through a second touch lead; an electrostatic protective layer disposed around the display region; an encapsulation element disposed around the display region. In a direction perpendicular to the display panel, the electrostatic protective layer covers at least the first touch lead and covers the encapsulation element.Type: GrantFiled: October 28, 2019Date of Patent: April 6, 2021Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Pei He, Tao Peng, Shanfu Yuan
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Patent number: 10969884Abstract: There is provided a handheld device for an interactive system. The handheld device identifies the timing that a user operates the handheld device to determine whether to turn on an indicating light for optical sensing to avoid the unnecessary power consumption.Type: GrantFiled: June 12, 2020Date of Patent: April 6, 2021Assignee: PIXART IMAGING INC.Inventor: Yi-Hsien Ko
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Patent number: 10963056Abstract: A touch panel and a display apparatus include a backlight apparatus serving as a supporting substrate, a transparent protective plate that is arranged spaced apart from the backlight apparatus and includes an operating surface on an opposite side of the backlight apparatus; a plurality of vibrators for vibrating the transparent protective plate; and a resilient supporting member arranged between the backlight apparatus and the transparent protective plate to support the transparent protective plate and extend and contract diagonally across a thickness direction of the transparent protective plate.Type: GrantFiled: January 24, 2018Date of Patent: March 30, 2021Assignee: KYOCERA CORPORATIONInventors: Kouichi Nagasaki, Takashi Shimizu, Fumiaki Nakao
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Patent number: 10942576Abstract: Examples include techniques for real object and hand representation in virtual reality content. In some examples, one or more hands of a user of a head-mounted display (HMD) may be tracked while receiving sensor data from an identified object including one or more embedded sensors. Virtual reality content visible to the user on the HMD may be modified based on the tracking of the one or more hands and based on the received sensor data.Type: GrantFiled: July 26, 2018Date of Patent: March 9, 2021Assignee: INTEL CORPORATIONInventor: Glen J. Anderson
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Patent number: 10928683Abstract: A gamma automatic adjusting method and a gamma automatic adjusting system are provided. The method includes steps as follows: acquiring parameters of main affecting factors a gamma value in a liquid crystal panel light alignment; using a gamma model upon detecting a varied parameter of the main affecting factor; calculating and outputting an adjusting parameter of the main affecting factor by the gamma model to a UV irradiating machine; and irradiating the liquid crystal panel by the UV irradiating machine according to the adjusting parameter to keep the gamma value within a predetermined range.Type: GrantFiled: March 12, 2018Date of Patent: February 23, 2021Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Zhengxing Xu
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Patent number: 10915194Abstract: A touch display panel is provided. The touch display panel includes a touch film layer and a fingerprint identification film layer. An orthographic projection of the fingerprint identification film layer on the touch film layer is located in a preset hollow region of the touch film layer. Two ends of at least one specific electrode in touch film layer are connected to a first driver chip via a signal transmission line, and the specific electrode includes a touch drive electrode and/or a touch inductive electrode, cut off by a preset hollow region.Type: GrantFiled: September 25, 2019Date of Patent: February 9, 2021Assignee: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD.Inventors: Shengzu Zhu, Weiguo Li, Zhihua Zhang
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Patent number: 10902807Abstract: A display device for motion blur reduction effect is provided which includes a liquid-crystal display panel, a driving module, a backlight module and a processing module. The processing module receives input display data to generate output display data. The output display data includes an output frame data section for performing data transmission with an output pixel clock higher than an input pixel clock and an output blank section within the same frame time. The processing module drives the liquid-crystal display panel to generate a display frame according to the output display data and controls the backlight module to turn on within the output blank section after the liquid-crystal display panel finished reacting to output frame data corresponding to the output frame data section.Type: GrantFiled: July 23, 2019Date of Patent: January 26, 2021Assignee: REALTEK SEMICONDUCTOR CORPORATIONInventors: Li-Ang Chen, Ting-Lun Hsu
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Patent number: 10891009Abstract: A touch substrate, a method for manufacturing the same and a touch control device are provided. The touch substrate includes a touch region, and a wiring region arranged adjacent to the touch region and covered with a protection structure. The protection structure includes at least two organic layers and at least two inorganic layers arranged alternately one on another.Type: GrantFiled: May 31, 2018Date of Patent: January 12, 2021Inventors: Ting Zeng, Ming Zhang, Haifeng Hu, Fuwei Zou, Shichao Fei, Xing Tang
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Patent number: 10885849Abstract: A system is provided for controlling an array of pixels in a display in which each pixel includes a light-emitting device and a reference voltage source that controllably supplies a reference voltage having a magnitude that turns off the light-emitting device. While the reference voltage is coupled to a drive transistor, a control voltage is supplied to the gate of the drive transistor to cause the drive transistor to transfer to a node common to the drive transistor and the light-emitting device, a voltage that is a function of the threshold voltage and mobility of the drive transistor. During an emission cycle, the current conveyed through the light emitting device via the drive transistor is controlled by a voltage stored in the storage capacitor, which is a function of the threshold voltage and mobility of the drive transistor so that the current supplied to the light-emitting device remains stable.Type: GrantFiled: September 6, 2019Date of Patent: January 5, 2021Assignee: Ignis Innovation Inc.Inventor: Gholamreza Chaji
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Patent number: 10877601Abstract: A display device including: a display panel for generating an image; and an input sensing layer disposed on the display panel, the input sensing layer sensing a user input. The display panel includes: pixels each including an organic light emitting diode that emits light, corresponding to a driving current flowing from a first power source to a second power source; and a noise detector for generating a noise voltage by detecting noise from the second power source. The input sensing layer includes: first sensing electrodes and second sensing electrodes intersecting each other; and a readout circuit for removing the noise included in a sensing voltage received from the second sensing electrodes based on the noise voltage.Type: GrantFiled: December 10, 2018Date of Patent: December 29, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jang Hui Kim, Sang Chul Lee
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Patent number: 10877269Abstract: A head-mounted display apparatus includes a display device configured to form a virtual display region by a virtual image of an electronic video in a visual field of a user, an image pickup device configured to pick up an image of an image pickup range including a part or a whole of visual field of the user, and a processor. The processor determines, with signal processing for a picked-up image by the image pickup device, an observation necessary range in the picked-up image and performs display control for displaying, in the virtual display region, an image portion of the observation necessary range in the picked-up image.Type: GrantFiled: July 12, 2019Date of Patent: December 29, 2020Assignee: OLYMPUS CORPORATIONInventors: Tatsuyuki Uemura, Hirofumi Endo, Takao Shibasaki, Yoji Osanai, Seiji Tatsuta
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Patent number: 10872934Abstract: Disclosed is a display device including: a plurality of pixel electrodes; a plurality of opposing electrodes located over the plurality of pixel electrodes and arranged in a stripe shape; and an EL layer sandwiched between the plurality of pixel electrodes and the plurality of opposing electrodes. The plurality of opposing electrodes is electrically independent from one another. Each of the opposing electrodes may be electrically independent from the plurality of metal films. The plurality of metal films may be electrically floating.Type: GrantFiled: June 8, 2017Date of Patent: December 22, 2020Assignee: Japan Display Inc.Inventors: Shuji Hayashi, Hayato Kurasawa, Takayuki Nakanishi, Mitsuhide Miyamoto, Hiroshi Mizuhashi, Yoshitoshi Kida
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Patent number: 10867565Abstract: A pixel array substrate including a substrate, a first scan line, a first sub-pixel, a second scan line, a second sub-pixel, and a common electrode is provided. The substrate has a first region and a second region. A length of the first region is smaller than a length of the second region. Two opposite sides of the second region correspond to two opposite sides of the substrate respectively. At least one side of the first region does not correspond to one of the two opposite sides of the substrate. The first scan line is disposed on the first region. The first sub-pixel is electrically connected to the first scan line. The second scan line is disposed on the second region. The second sub-pixel is electrically connected to the second scan line. The common electrode is disposed on the substrate. A vertical distance between the common electrode and the first scan line is V11, a vertical distance between the common electrode and the second scan line is V2, and V2>V11.Type: GrantFiled: December 10, 2018Date of Patent: December 15, 2020Assignee: Au Optronics CorporationInventors: Chao-Yu Chu, Hsin-Chun Huang, Shao-Syuan Ji, Mei-Shan Lin, Wen-Rei Guo
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Patent number: 10861363Abstract: A display driver (100) includes a drive circuit (130) that drives an electro-optical panel (200), a control circuit (110) that controls the drive circuit (130), an error detection circuit (115) that detects an error in the display driver (100), and a counter (125) that performs count processing with respect to information regarding the number of times of error detection in an operating period of the display driver (100). The control circuit performs control such that information regarding the accumulated number of times of detection of the error is stored in a nonvolatile memory that can retain storage contents even if power is not supplied, based on the information regarding the number of times of detection.Type: GrantFiled: June 24, 2019Date of Patent: December 8, 2020Assignee: SEIKO EPSON CORPORATIONInventor: Norichika Muraki
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Patent number: 10860276Abstract: A portable information handling system having a barrel hinge with a cylindrical surface includes a display film disposed over the cylindrical surface and configured to present a selected of plural preset user interfaces or an extended operating system user interface based upon a sensed context. In one example embodiment, user interfaces presented at the hinge display include a selected of gaming, task and leisure user interfaces based upon sensed context.Type: GrantFiled: January 29, 2019Date of Patent: December 8, 2020Assignee: Dell Products L.P.Inventors: Deeder M. Aurongzeb, Mohammed K. Hijazi, Vinh Xuan Bui, Christopher A. Torres
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Patent number: 10852820Abstract: Systems and methods for enabling gaze-based virtual content control may include (1) displaying an artificial scene with one or more virtual elements to a user wearing a head-mounted display system, (2) identifying the user's eye gaze based on gazing data collected by one or more sensors in the head-mounted display system, (3) determining that the user's eye gaze is focused on a specific virtual element, and (4) in response to determining that the user's eye gaze is focused on the specific virtual element, increasing the specific virtual element's visibility to the user. Various other methods, systems, and computer-readable media are also disclosed.Type: GrantFiled: February 22, 2019Date of Patent: December 1, 2020Assignee: Facebook Technologies, LLCInventors: Andre Golard, Bo Asp Andersen, Immo Andreas Schuetz, Karol Constantine Hatzilias, Kelly Ingham, Martin Henrik Tall, Neeraj Choubey, Sharvil Shailesh Talati, Robert Dale Cavin, Thomas Scott Murdison
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Patent number: 10847074Abstract: A display driving circuit is provided. The display driving circuit includes: at least one gate driving circuit, each of the at least one gate driving circuit generating a driving signal so that display pixels update pixel data according to each of the driving signals; and at least two enable-selecting circuits, generating a zone start-updating signal and a zone end-updating signal according to a zone scan-control signal and the driving signals and enabling the at least one gate driving circuit of a first portion according to the zone start-updating signal and the zone end-updating signal. In this way, the at least one gate driving circuit of the first portion generates the driving signals to update part of the display pixels, and that power saving is achieved.Type: GrantFiled: July 11, 2019Date of Patent: November 24, 2020Assignee: Au Optronics CorporationInventors: Ming-Hsien Lee, Che-Chia Chang
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Patent number: 10845897Abstract: A touch display has conductors that are able to determine measurements of signals received due to touch events with a user's hand. The touch display is also able to determine measurements of signals received due to interaction with a stylus. Additionally the touch display is able to discriminate interactions between the hand holding the stylus and the free hand. Interactions with the touch display between all three may be measured and discriminated simultaneously.Type: GrantFiled: April 15, 2019Date of Patent: November 24, 2020Assignee: Tactual Labs Co.Inventor: Clifton Forlines