Patents Examined by Patrick F Marinelli
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Patent number: 11881177Abstract: A display device that can be easily and more flexibly designed is provided. The display device includes a pixel circuit and a driver circuit in a display portion. The driver circuit includes a plurality of pulse output circuits. Each of the plurality of pulse output circuits has a function of driving a gate line. The pixel circuit is electrically connected to the gate line. Each of the plurality of pulse output circuits includes a first transistor. The pixel circuit includes a second transistor. A layer including the second transistor is over a layer including the first transistor, and the first transistor and the second transistor overlap with each other.Type: GrantFiled: August 25, 2021Date of Patent: January 23, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hidetomo Kobayashi, Kouhei Toyotaka
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Patent number: 11881165Abstract: The present disclosure provides a display device. The display device includes a gain provider for gradually decreasing a gain value from a first time when a first period elapses from a time at which an enable signal is generated, and a plurality of pixels for receiving data voltages determined by the gain value and the input grayscale values. The gain provider determines a length of the first period according to a first load value based on the input grayscale values at the time at which the enable signal is generated.Type: GrantFiled: October 27, 2021Date of Patent: January 23, 2024Assignee: Samsung Display Co., Ltd.Inventors: Ki Hyun Pyun, Hee Sook Park
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Patent number: 11880519Abstract: A display module includes a display area and a non-display area disposed outside the display area on a plane. The display module includes a base layer, a circuit device layer, a display device layer, a thin film encapsulation layer, and a touch sensing layer. An inorganic layer of the touch sensing layer contacts an inorganic layer of the circuit device layer exposed by an organic layer of the circuit device layer. An inorganic layer of the thin film encapsulation layer is disposed between the inorganic layer of the touch sensing layer and the inorganic layer of the circuit device layer to block a moisture penetration path which causes delamination of the thin film encapsulation layer.Type: GrantFiled: June 1, 2021Date of Patent: January 23, 2024Assignee: Samsung Display Co., Ltd.Inventors: Yong-hwan Park, Miyoung Kim, Nayun Kwak
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Patent number: 11869432Abstract: Provided are a display panel and a driving method. The display panel includes a pixel driving circuit including a drive transistor, a data write module, a light emission control module, a threshold compensation module and a bias adjustment module. The control terminal of the drive transistor is connected to the first node. The first terminal of the drive transistor is connected to a third node. The second terminal of the drive transistor is connected to a second node. The light emission control module is connected in series with the drive transistor and connected in series with a light-emitting element. The threshold compensation module is connected in series between the control terminal of the drive transistor and the second terminal of the drive transistor. The first terminal of the bias adjustment module is connected to a bias signal terminal. The second terminal is connected to the second terminal of the drive transistor.Type: GrantFiled: July 6, 2022Date of Patent: January 9, 2024Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Jieliang Li, Gaojun Huang
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Patent number: 11869452Abstract: In an image processing device, for each of one or two or more picture elements among a plurality of picture elements, the one or two or more picture elements having an input grayscale value included in the input image data being equal to or less than a first predetermined value, the second panel data correction unit corrects the second aperture ratio of each of at least one pixel among the plurality of pixels, the at least one pixel facing the one or two or more picture elements, so that an actual transmittance gets closer to a theoretical transmittance, and the first panel data generation unit generates the first aperture ratio for each of the plurality of picture elements by dividing a normalized input grayscale value included in the input image data by a normalized luminance included in the panel luminance distribution data.Type: GrantFiled: January 10, 2023Date of Patent: January 9, 2024Assignee: Sharp Display Technology CorporationInventor: Naoko Goto
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Patent number: 11862065Abstract: A timing control device for the display panel includes a control circuit. The control circuit is configured to generate a plurality of gate scanning control signals and a data transmission control signal. In response to that a display refresh rate changes from a first frequency to a second frequency, the control circuit adjusts the plurality of gate scanning control signals to generate a plurality of adjusted gate scanning control signals, or adjusts the data transmission control signal to generate an adjusted data transmission control signal, for driving a display panel under the second frequency as the display refresh rate.Type: GrantFiled: March 11, 2022Date of Patent: January 2, 2024Assignee: Novatek Microelectronics Corp.Inventors: Grace Li, Jen-Ta Yang, Yen-Tao Liao, Yu-Hung Su
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Patent number: 11853518Abstract: A multipoint touch surface controller is disclosed herein. The controller includes an integrated circuit including output circuitry for driving a capacitive multi-touch sensor and input circuitry for reading the sensor. Also disclosed herein are various noise rejection and dynamic range enhancement techniques that permit the controller to be used with various sensors in various conditions without reconfiguring hardware.Type: GrantFiled: February 8, 2021Date of Patent: December 26, 2023Assignee: Apple Inc.Inventors: Steven P. Hotelling, Christoph H. Krah, Brian Q. Huppi
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Patent number: 11854294Abstract: An electronic device includes a display panel and a biometric sensor. The display panel includes a light emitter. The biometric sensor is stacked with the display panel and is configured to detect light emitted from the display panel and reflected by a recognition target that is external to the electronic device. The biometric sensor includes a silicon substrate and a photoelectric conversion element on the silicon substrate. The photoelectric conversion element includes a photoelectric conversion layer having wavelength selectivity.Type: GrantFiled: September 1, 2021Date of Patent: December 26, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Kyung Bae Park, Sung Han Kim, Sung Young Yun, Seon-Jeong Lim, Chul Joon Heo
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Patent number: 11854481Abstract: A display panel includes a display area and a non-display area surrounding the display area. The display area includes a plurality of display lines and a plurality of display sub-pixels arranged in arrays. The non-display area further includes a dummy sub-pixel, a driver chip, a feedback line and a compensation line. The driver chip is used for acquiring a current signal of a light-emitting element in the dummy sub-pixel through the feedback line, and generating a compensation signal when the current signal fed back by the feedback line is not equal to the preset threshold value, and also for generating a display compensation signal when the current signal fed back by the feedback line is equal to the preset threshold value, and the display compensation signal is transmitted to the pixel driving circuit of the display sub-pixel through the display line.Type: GrantFiled: December 19, 2022Date of Patent: December 26, 2023Assignee: HKC CORPORATION LIMITEDInventors: Dujuan Yin, Haoxuan Zheng
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Patent number: 11843948Abstract: A method of a wearable device displaying icons is provided. The method includes displaying a plurality of circular icons comprising a first circular icon located in a center area of a touch display in a first size and a second circular icon located outside of the center area of the touch display in a second size smaller than the first size, and based on a direction of a touch input received on the touch display, moving the plurality of circular icons such that the first circular icon is moved to a first position located outside of the center area of the touch display and the second circular icon is moved from a second position located outside the center area of the touch display to the center area of the touch display and enlarged in size from the second size to the first size.Type: GrantFiled: September 17, 2021Date of Patent: December 12, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Joon-kyu Seo, Young-joon Choi, Ji-yeon Kwak, Hyun-jin Kim, Yeo-jun Yoon
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Patent number: 11842669Abstract: Independent refresh rates may be enabled for multiple monitors. Any displays that are presenting content in a full screen mode are refreshed at a rate set by the application presenting the content. All other devices are refreshed at a rate that is determined by a window manager based on various factors including the type of application(s) executing, the size of the applications presenting content, the location of the applications presenting content, hardware configurations, and so forth.Type: GrantFiled: June 30, 2022Date of Patent: December 12, 2023Assignee: Microsoft Technology Licensing, LLCInventors: Michael Paul Erich Von Hippel, Reiner Fink, Leonardo Esteban Blanco
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Patent number: 11829525Abstract: Systems, apparatuses and methods may provide away to enhance an augmented reality (AR) and/or virtual reality (VR) user experience with environmental information captured from sensors located in one or more physical environments. More particularly, systems, apparatuses and methods may provide a way to track, by an eye tracker sensor, a gaze of a user, and capture, by the sensors, environmental information. The systems, apparatuses and methods may render feedback, by one or more feedback devices or display device, for a portion of the environment information based on the gaze of the user.Type: GrantFiled: April 19, 2021Date of Patent: November 28, 2023Assignee: Intel CorporationInventors: Altug Koker, Michael Apodaca, Kai Xiao, Chandrasekaran Sakthivel, Jeffery S. Boles, Adam T. Lake, James M. Holland, Pattabhiraman K, Sayan Lahiri, Radhakrishnan Venkataraman, Kamal Sinha, Ankur N. Shah, Deepak S. Vembar, Abhishek R. Appu, Joydeep Ray, Elmoustapha Ould-Ahmed-Vall
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Patent number: 11823481Abstract: In some implementations a method may involve presenting a graphical user interface in a first configuration on a display of an apparatus. The first configuration may correspond with a first display area. The method may involve enabling operation of a fingerprint sensor system in a first fingerprint sensor area corresponding with at least a portion of the first display area. The method may involve presenting the graphical user interface in a second configuration on the display and enabling fingerprint sensor system operation only in a second fingerprint sensor area corresponding with the second configuration.Type: GrantFiled: December 29, 2021Date of Patent: November 21, 2023Assignee: QUALCOMM IncorporatedInventors: Kritpal Singh Dhindhsa, Rakesh Pallerla
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Patent number: 11812267Abstract: A method of a wearable device displaying icons is provided. The method includes displaying a plurality of circular icons comprising a first circular icon located in a center area of a touch display in a first size and a second circular icon located outside of the center area of the touch display in a second size smaller than the first size, and based on a direction of a touch input received on the touch display, moving the plurality of circular icons such that the first circular icon is moved to a first position located outside of the center area of the touch display and the second circular icon is moved from a second position located outside the center area of the touch display to the center area of the touch display and enlarged in size from the second size to the first size.Type: GrantFiled: September 17, 2021Date of Patent: November 7, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Joon-kyu Seo, Young-joon Choi, Ji-yeon Kwak, Hyun-jin Kim, Yeo-jun Yoon
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Patent number: 11782542Abstract: The first and second touch electrodes constitute a mesh shape of staying away from overlap with the light-emitting pixels. Each electrode body has a first slim portion between adjacent light-emitting pixels in the first direction. Each electrode body has a first wide portion between adjacent light-emitting pixels in the second direction. The first wide portion is wider than the first slim portion. The jumper electrode has a second slim portion between adjacent light-emitting pixels in the first direction. The jumper electrode has a second wide portion between adjacent light-emitting pixels in the second direction. The second wide portion is wider than the second slim portion. The light-emitting pixels each have a planar shape longer in the second direction than in the first direction. The first and second wide portions are overlapped and electrically conductive, penetrating the insulation film.Type: GrantFiled: October 13, 2020Date of Patent: October 10, 2023Assignee: Japan Display Inc.Inventors: Mitsuhide Miyamoto, Hajime Akimoto
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Patent number: 11776299Abstract: A photoelectric sensor and a method for driving the same, and a display apparatus are provided. The photoelectric sensor includes a photosensitive circuit including a photoelectric diode, a reset transistor, a voltage conversion transistor, a read control transistor, and a read transistor that is a p-type transistor. The reset transistor, a first electrode of the photoelectric diode, and a control electrode of the voltage conversion transistor are electrically connected to a first node. The voltage conversion transistor, read control transistor, and a control electrode of read transistor are all electrically connected to a second node. The reset transistor is turned on by its control electrode to reset the first node. The voltage conversion transistor and read control transistor are turned on by their control electrodes, respectively, to control a voltage of the second node. The read transistor outputs a detection signal under control of its control electrode.Type: GrantFiled: October 28, 2021Date of Patent: October 3, 2023Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventor: Qijun Yao
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Patent number: 11775109Abstract: The use of multiple stimulation signals having one or more frequencies and one or more phases to generate an image of touch on a touch sensor panel is disclosed. Each of a plurality of sense channels can be coupled to a column in a touch sensor panel and can have one or more mixers. Each mixer in the sense channel can utilize a circuit capable generating a demodulation frequency of a particular frequency. At each of multiple steps, various phases of one or more selected frequencies can be used to simultaneously stimulate the rows of the touch sensor panel, and the one or more mixers in each sense channel can be configured to demodulate the signal received from the column connected to each sense channel using the one or more selected frequencies. After all steps have been completed, the demodulated signals from the one or more mixers can be used in calculations to determine an image of touch for the touch sensor panel at each of the one or more frequencies.Type: GrantFiled: August 30, 2021Date of Patent: October 3, 2023Assignee: Apple Inc.Inventors: Christoph Horst Krah, Steven Porter Hotelling, Sean Erik O'Connor, Wayne Carl Westerman
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Patent number: 11775108Abstract: A touch display apparatus, a corresponding driving circuit, and a driving method are provided. The touch display apparatus includes a driving circuit configured to, during the touch sensing stage, provide a first signal to a common electrode for realizing touch detection during the touch sensing stage, a second signal used to control a thin film transistor of the touch display apparatus to be switched off and is used to decrease charge and discharge capacity of a capacitor formed by the common electrode and the gate line, and a third signal used to decrease charge and discharge capacity of a capacitor formed by the common electrode and a data line. The third signal is used to control the data line to enter a floating state during the touch sensing stage.Type: GrantFiled: May 2, 2021Date of Patent: October 3, 2023Assignee: FOCALTECH ELECTRONICS, LTD.Inventors: Lianghua Mo, Xinxi Jiang, Junqiao Liu
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Patent number: 11769455Abstract: Disclosed is a shift register unit set, a gate driving circuit and a display apparatus, the shift register set including: cascaded n shift register units, and an ith stage of shift register unit in the shift register unit set includes: a first input sub-circuit and a second input sub-circuit, wherein the first input sub-circuit includes: a charging sub-circuit, a storing sub-circuit, an isolating sub-circuit, an output sub-circuit, a first electric leakage prevention sub-circuit configured to input an operation potential to the isolating sub-circuit under the control of the blanking pull-up control node, and a second electric leakage prevention sub-circuit configured to input the operation potential to a second electrode of the isolating transistor under the control of the first pull-up node, wherein there is an overlap among n composite output signals output by the n shift register units, n and i are positive integers, and 1?i?n.Type: GrantFiled: May 19, 2022Date of Patent: September 26, 2023Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xuehuan Feng, Yongqian Li
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Patent number: 11769457Abstract: Disclosed is a shift register, a gate driving circuit, a display apparatus and a driving method, the shift register including a first input sub-circuit, configured to receive a first input signal from a first input terminal and output a banking output control signal to a first node in a blanking period of time of a frame; a second input sub-circuit, configured to receive a second input signal from a second input terminal and output a display output control signal to the first node in a display period of time of the frame; an output sub-circuit, configured to output a composite output signal via an output terminal under control of a first node, wherein the composite output signal includes a display output signal outputted in a display period of time and a blanking output signal outputted in a blanking period of time which are independent of each other.Type: GrantFiled: July 8, 2022Date of Patent: September 26, 2023Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xuehuan Feng, Yongqian Li