Patents Examined by Aaron Midkiff
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Patent number: 12057085Abstract: A set circuit in a unit circuit in a gate driver of a display device includes a setting transistor, a first auxiliary transistor, and a second auxiliary transistor. The setting transistor includes a source terminal connected to an internal node, a gate terminal connected to a set input terminal, and a drain terminal connected to the set input terminal via the first auxiliary transistor and also connected to an input terminal via the second auxiliary transistor in a diode-connected form. Each transistor is controlled to be in an on state and an off state during normal drive and is controlled to be in the off state and the on state during a pause period by a control signal supplied to the input terminal.Type: GrantFiled: August 14, 2023Date of Patent: August 6, 2024Assignee: Sharp Display Technology CorporationInventors: Jun Nishimura, Kengo Hara, Yohei Takeuchi, Yoshihito Hara, Tohru Daitoh
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Patent number: 12056222Abstract: A display device including: a display panel including a display area in which an image is displayed; and a fingerprint sensor disposed on a first surface of the display panel and including a sensing area for sensing a fingerprint of a user, wherein the display device is configured to authenticate the fingerprint of the user by using data for a portion of the sensing area.Type: GrantFiled: January 20, 2021Date of Patent: August 6, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Soon Gyu Lee, Jin Woo Kim, Jung Hak Kim, Jae Hyung Jo
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Patent number: 12057083Abstract: A display device is disclosed. The display device includes a control module and a display panel connected to the control module. Wherein, the display panel includes a plurality of pixel electrodes; a plurality of first common electrodes disposed opposite to the pixel electrodes and connected to the control module by common connecting lines; and a liquid crystal layer disposed between the first common electrodes and the pixel electrodes. Wherein, the control module is configured to allow a constant electrical potential difference to exist between the first common electrodes and the pixel electrodes.Type: GrantFiled: April 29, 2021Date of Patent: August 6, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Xiaochen Li, Gui Chen, Qiang Gong
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Patent number: 12045091Abstract: A display device includes a display panel including a button area, a button assembly disposed under the button area of the display panel, and a support layer disposed between the display panel and the button assembly and including a slit portion. The slit portion may include at least one slit surrounding at least a portion of the button area.Type: GrantFiled: November 17, 2021Date of Patent: July 23, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Yongkwon Soh
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Patent number: 12039022Abstract: Provided is a processing system including a moving body identification information acquisition unit that acquires moving body identification information for identifying a moving body, an authentication unit that executes an inspector authentication process, based on biological information of an inspector, an inspection item identification information acquisition unit that acquires inspection item identification information for identifying an inspection item, and an output unit that stores the moving body identification information, the inspection item identification information, and inspector identification information of the inspector which is authenticated in the inspector authentication process in a storage unit in association with each other.Type: GrantFiled: February 11, 2020Date of Patent: July 16, 2024Assignee: NEC CORPORATIONInventor: Shingo Ogawa
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Patent number: 12033420Abstract: The present disclosure provides a display device with fingerprint sensor in a manner capable of strengthening a display device integrating the fingerprint sensor. The display device includes a display panel including a display area, a cover panel, a fingerprint sensor, and a reinforcing member. The cover panel is disposed on a rear surface of the display panel and includes an opening. The fingerprint sensor is disposed on the rear surface of the display panel in the opening of the cover panel and includes a sensor layer. The reinforcing member is disposed on a rear surface of the fingerprint sensor. The reinforcing member includes a sidewall surrounding at least one area of the sensor layer while being in contact with the rear surface of the fingerprint sensor, and a bottom surface which extends from the sidewall and is spaced apart from the sensor layer.Type: GrantFiled: March 19, 2021Date of Patent: July 9, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji Hun Ryu, Kwang Hyun Baek, Su Yul Seo, Dong Hwan Lee, Jae Hyung Jo, Sung Ho Jin
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Patent number: 12029095Abstract: Disclosed is a display device with integrated touch screen, which prevents external light from being reflected by touch electrodes without a polarizer. The display device includes an organic light emitting device layer disposed on a substrate, a plurality of color filters disposed on the organic light emitting device layer, a plurality of first touch electrodes and a plurality of second touch electrodes disposed on the plurality of color filters to overlap a boundary portion between the plurality of color filters, and a black matrix disposed on the plurality of first touch electrodes and the plurality of second touch electrodes to overlap the plurality of first touch electrodes and the plurality of second touch electrodes.Type: GrantFiled: April 7, 2022Date of Patent: July 2, 2024Assignee: LG Display Co., Ltd.Inventors: JungSik Jo, JongGeun Yoon
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Patent number: 12014564Abstract: An electronic circuit adapted to control an operation of a gate driver circuit is provided. The electronic circuit includes a gate control circuit. The gate control circuit outputs control signals to the gate driver circuit in a display period and a fingerprint sensing period via the same output nodes. The control signals include a start pulse signal and a switch control signal. The switch control signal controls the gate driver circuit to operate in the display period or the fingerprint sensing period. The gate driver circuit includes a plurality of shift register groups and a switch circuit. The shift register groups output scan signals according to the start pulse signal. The switch circuit receives and outputs the scan signals to display scan lines in the display period and outputs the scan signals to fingerprint scan lines in the fingerprint sensing period according to the switch control signal.Type: GrantFiled: August 19, 2021Date of Patent: June 18, 2024Assignee: Novatek Microelectronics Corp.Inventors: Wei-Lun Shih, Wu Wei Lin, Kuei Jung Chen
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Patent number: 12008831Abstract: A sensing device substrate includes a substrate and a sensing device. The sensing device is disposed on the substrate and includes a first electrode, a second electrode, a sensing layer, a conductive layer, and a first insulating layer. The first electrode is located on the substrate. The second electrode is overlapped with the first electrode. The sensing layer is located between the second electrode and the first electrode. The conductive layer is overlapped with the second electrode and electrically connected to the first electrode. The conductive layer has a first opening, and the first opening is overlapped with the sensing layer. The first insulating layer is located between the conductive layer and the second electrode. A display apparatus including the sensing device substrate is also provided.Type: GrantFiled: June 23, 2021Date of Patent: June 11, 2024Assignee: Au Optronics CorporationInventors: Ming-Yao Chen, Jui-Chi Lo, Wei-Ming Huang
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Patent number: 11985871Abstract: Provided are a display device and a method of manufacturing the display device, the display device including a substrate including a pixel area where a pixel is placed, and a wire area where wires connected to the pixel are placed, a first power line placed on the substrate, and through which driving power is applied to the pixel, an active layer including a first connection pattern, a second connection pattern, and a third connection pattern that are placed above the first power line in the wire area, the third connection pattern being connected to the first power line, and a first gate line connected to the first connection pattern, and a second gate line connected to the second connection pattern, the first gate line and the second gate line being placed on the active layer in the wire area, wherein the first to the third connection pattern are island-shaped electrodes.Type: GrantFiled: December 21, 2020Date of Patent: May 14, 2024Assignee: LG Display Co., Ltd.Inventors: Yongsun Jo, Woojung Byun, Hangyu Jung, Deuksoo Jung
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Patent number: 11983040Abstract: A portable information handling system couples a display film to a housing with a minimal bezel by forming a slot in a corner of the display film having rounded portions on opposing sides of the slot that conform to a rounded shape of the housing perimeter support for the display film. In an embodiment having a dual housing display configuration, the display film folds over a hinge and has a slot formed in each corner with a hinge indent aligned at the hinge coupling location to accept a hinge end cover.Type: GrantFiled: October 15, 2020Date of Patent: May 14, 2024Assignee: Dell Products L.P.Inventors: Duck Soo Choi, Jong Seo Lee
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Patent number: 11893821Abstract: A sensor device including a fingerprint sensor and an antenna. The a fingerprint sensor has a silicon-based area sensor, a sensor area, and an electrically conductive contact region arranged laterally adjacent to the sensor area and configured to be touched upon the contact area being touched by a finger in order to bring the finger to a predetermined potential. The antenna is coupled to the fingerprint sensor to inductively couple the fingerprint sensor to a booster antenna.Type: GrantFiled: March 30, 2021Date of Patent: February 6, 2024Assignee: Infineon Technologies AGInventors: Jens Pohl, Frank Pueschner
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Patent number: 11875598Abstract: An electronic device detects a first operation of a user; the electronic device obtains a fingerprint image and a touch signal in response to the first operation; and the electronic device determines, based on the fingerprint image and the touch signal, that the fingerprint image is a fingerprint image of a real finger or a fingerprint image of a fake finger.Type: GrantFiled: July 15, 2020Date of Patent: January 16, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Xiaona Zhao, Bing Chang, Shuiping Long, Teng Shi, Danhong Li, Li Zhang
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Patent number: 11854456Abstract: An electro-optic display having a plurality of pixels is driven from a first image to a second image using a first drive scheme, and then from the second image to a third image using a second drive scheme different from the first drive scheme and having at least one impulse differential gray level having an impulse potential different from the corresponding gray level in the first drive scheme. Each pixel which is in an impulse differential gray level in the second image is driven from the second image to the third image using a modified version of the second drive scheme which reduces its impulse differential The subsequent transition from the third image to a fourth image is also conducted using the modified second drive scheme but after a limited number of transitions using the modified second drive scheme, all subsequent transitions are conducted using the unmodified second drive scheme.Type: GrantFiled: October 28, 2022Date of Patent: December 26, 2023Assignee: E Ink CorporationInventors: Demetrious Mark Harrington, Kenneth R. Crounse, Karl Raymond Amundson, Teck Ping Sim, Matthew J. Aprea
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Patent number: 11847957Abstract: A plurality of pixel drive circuits form part of an array of emissive elements. The plurality of pixel drive circuits are disposed to form a plurality of rows and a plurality of columns. The plurality of pixel drive circuits are organized into sets of pixel drive circuits, and each set comprises at least one pixel drive circuit. A FET of a set of pixel drive circuits shares a common well with other FETs of similar function in the same set of pixel drive circuits positioned therein, such that the variance of the threshold voltages of those FETs is substantially reduced. Each of the pixel drive circuits comprises a circuit operative to deliver a current at a predetermined voltage to an emissive device and a memory circuit operative to receive modulation data and to use same to modulate the current output of the pixel drive circuit.Type: GrantFiled: December 15, 2021Date of Patent: December 19, 2023Assignee: GOOGLE LLCInventors: Edwin Lyle Hudson, Bo Li
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Patent number: 11829553Abstract: A display apparatus and a method of powering the display apparatus are provided. The display apparatus includes: a main control circuit, configured to provide a first control signal; a touch display driving circuit, configured to provide a second control signal; a power supply circuit, coupled to the touch display driving circuit, and configured to provide a power supply voltage to the touch display driving circuit; and a logic circuit coupled to the main control circuit, the touch display driving circuit, and the power supply circuit, and configured to continuously enable the power supply circuit in a first mode and intermittently enable the power supply circuit in a second mode, under a control of the first control signal and the second control signal.Type: GrantFiled: August 28, 2020Date of Patent: November 28, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Pin Xiao, Xiuyun Chen, Zongze He, Zhenguo Xu, Yehao Zhang, Yadong Huang, Jing Zhao
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Patent number: 11782531Abstract: The present disclosure generally relates to methods and apparatuses for detecting gestures on a reduced-size electronic device at locations off of the display, such as gestures on the housing of the device or on a rotatable input mechanism (e.g., a digital crown) of the device, and responding to the gestures by, for example, navigating lists of items and selecting items from the list; translating the display of an electronic document; or sending audio control data to an external audio device.Type: GrantFiled: January 18, 2017Date of Patent: October 10, 2023Assignee: Apple Inc.Inventor: Colin M. Ely
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Patent number: 11749010Abstract: A fingerprint recognition module, a display panel and driving method, and a display device are provided. The fingerprint recognition module includes a first electrode layer including a plurality of first electrodes, and a piezoelectric layer disposed on a side of the first electrode layer. The fingerprint recognition module also includes a second electrode layer disposed on a side of the piezoelectric layer facing away from the first electrode layer. The second electrode layer includes a plurality of second electrodes that are arranged along a first direction, and one second electrode overlaps at least two first electrodes. Moreover, the fingerprint recognition module includes a flexible circuit board bonded and connected to the plurality of second electrodes. In a plane parallel to the first electrode layer, the plurality of second electrodes and the flexible circuit board are arranged along a second direction, and the first direction intersects the second direction.Type: GrantFiled: April 28, 2021Date of Patent: September 5, 2023Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Qijun Yao, Bo Zhang, Feng Lu
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Patent number: 11749143Abstract: Active Matrix Organic Light Emitting Diode (AMOLED) displays, novel pixel circuits therefor, and methods of programming the pixel circuit and measuring the current of the pixel circuit and OLED thereof are disclosed. One pixel circuit includes four TFT transistors, a storage capacitor and an OLED device and is programmed with use of voltage supplied through a data line. One method measures currents of the OLED and the pixel circuit through the data line by a readout circuit.Type: GrantFiled: November 22, 2018Date of Patent: September 5, 2023Assignee: Ignis Innovation Inc.Inventors: Arash Moradi, Jafar Talebzadeh, Junhu He, Shuenn-Jiun Tang
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Patent number: 11736803Abstract: Disclosed herein is a full-screen display device capable of sufficiently securing light transmittance of a sensor area overlapping a sensor unit in a pixel array and minimizing deterioration in perceived image quality of the sensor area. The pixels are arranged in the sensor area overlapping the sensor unit in the pixel array of the full-screen display device such that the number of pixels gradually decreases from the outer periphery toward the center of the sensor area in units of masks, and the area of a transmission portion gradually increases from the outer periphery toward the center of the sensor area in units of masks.Type: GrantFiled: June 22, 2022Date of Patent: August 22, 2023Assignee: LG Display Co., Ltd.Inventors: Young-Tae Kim, Jun-Woo Jang, Tae-Yong Park, Woong-Jin Seo