Patents Examined by Sanjiv D Patel
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Patent number: 11762497Abstract: A peripheral wiring region of a display device includes a first insulating layer on a substrate, a first wiring layer on the first insulating layer, a second insulating layer which is present on the first insulating layer and covers the first wiring layer, and a second wiring layer on the second insulating layer. A plurality of video signal wirings are arranged in the first wiring layer. A plurality of touch detection wirings arranged in a matrix in an X direction and a Y direction and a conductor pattern to which a fixed potential is supplied are formed in the second wiring layer. The conductor pattern is arranged at a position overlapping a part of the plurality of video signal wirings and is capacitively coupled to the part of the plurality of video signal wirings.Type: GrantFiled: June 28, 2022Date of Patent: September 19, 2023Assignee: JAPAN DISPLAY INC.Inventors: Kazune Matsumura, Seiichi Uramoto, Gen Koide
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Patent number: 11755139Abstract: A touch sensor and a display apparatus are disclosed. The touch sensor includes a first opening region, first touch electrodes, second touch electrodes, and a conducting structure. The first touch electrodes include first touch sub-electrodes; the second touch electrodes include second touch sub-electrodes; each of a first group of second touch electrodes further includes a transition touch electrode; a virtual straight line passing through the center of the first opening region respectively intersects with two sides of the transition touch electrode at a first position and a second position, and a distance between the first position and the second position is less than a maximum width of at least one of the second touch sub-electrodes; and the conducting structure at least partially surrounds an edge of the first opening region, and is connected with the transition touch electrode in parallel and electrically.Type: GrantFiled: March 19, 2020Date of Patent: September 12, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenxiao Niu, Hengzhen Liang, Fan Li, Wei Liao, Xu Lu
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Patent number: 11756464Abstract: A display device includes a main body configured to have a display module to which an image is output, a bending module located at a center of a back surface of the main body, and a controller. The controller controls the bending module to change a curvature of the display module to any one of a flat mode in which the display module is flat, a first bending mode in which the display module has a first curvature, and a second bending mode in which the display module has a second curvature. The second curvature is a maximum curvature of the display module.Type: GrantFiled: May 13, 2022Date of Patent: September 12, 2023Assignee: LG ELECTRONICS INC.Inventors: Sanghee Lee, Yuri Lee
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Patent number: 11755147Abstract: Provided is a display device having a touch sensor capable of improving touch sensitivity by removing the influence of display noise. The display device includes: a display panel including pixels connected to data lines and scan lines; a scan driver for supplying scan signals to the pixels through the scan lines; a data driver for receiving digital image data, converting the digital image data into an analog data signal, and supplying the analog data signal to the pixels through the data lines; a data variance calculator for calculating a variance in image data for each data channel by using the digital image data, and summing the variance in image data for each data channel to calculate an integrated data variance value; and a plurality of correction value calculators for calculating a touch correction value for each sensing channel by using the integrated data variance value.Type: GrantFiled: August 19, 2019Date of Patent: September 12, 2023Assignee: ACONIC INC.Inventor: Min Jae Lee
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Patent number: 11740743Abstract: The present disclosure relates to a display device, a touch panel and a manufacturing method thereof. The touch panel includes a substrate and a touch layer. The touch layer is disposed on a side of the substrate, and includes a first touch area and a border area surrounding the first touch area. The border area includes at least one second touch area, the second touch area includes a plurality of button portions. The button portions include at least one mutual-capacitance button portion, and the mutual-capacitance button portion includes a first touch electrode, a second touch electrode, and a dummy electrode disposed in a same layer, and there is a gap between the first touch electrode and the second touch electrode. The dummy electrode is disposed in the gap between the first touch electrode and the second touch electrode, and separated from the first touch electrode and the second touch electrode.Type: GrantFiled: September 10, 2020Date of Patent: August 29, 2023Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chunjian Liu, Jian Tian, Xintao Wu, Jie Lei, Jie Wang, Zouming Xu, Tianqing Liu
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Patent number: 11744133Abstract: A display panel includes a plurality of emission areas disposed in a first display area and a second display area at least partially surrounded by the first display area. A transmission area is disposed between two adjacent emission areas in the second display area. An encapsulation layer is disposed on the emission areas. An input sensing layer is disposed on the encapsulation layer and includes touch electrodes. A reflection prevention layer is disposed on the input sensing layer and includes a light blocking layer and a plurality of color filters. The light blocking layer has a plurality of opening portions overlapping the emission areas. The plurality of color filters overlaps the emission areas. Each touch electrode includes a conductive mesh pattern having a plurality of mesh holes, and a particular emission area in the second display area and the transmission area are disposed in a same mesh hole.Type: GrantFiled: January 5, 2022Date of Patent: August 29, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyeonbum Lee, Seongmin Wang
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Patent number: 11735133Abstract: A driver circuit includes first to third transistors, a first circuit, and a second circuit. In the first transistor, a first terminal is electrically connected to a second wiring, a second terminal is electrically connected to a first wiring, and a gate is electrically connected to the second circuit and a first terminal of the third transistor. In the second transistor, a first terminal is electrically connected to the first wiring, a second terminal is electrically connected to a sixth wiring, a gate is electrically connected to the first circuit and a gate of the third transistor. A second terminal of the third transistor is electrically connected to the sixth wiring. The first circuit is electrically connected to a third wiring, a fourth wiring, a fifth wiring, and the sixth wiring. The second circuit is electrically connected to the first wiring, the second wiring, and the sixth wiring.Type: GrantFiled: October 6, 2022Date of Patent: August 22, 2023Inventor: Atsushi Umezaki
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Patent number: 11721256Abstract: A flexible display device includes a flexible display panel having a first display area that is adjacent to a first end of the flexible display panel and a second display area that is adjacent to a second end of the flexible display panel, a data driver configured to output a data voltage to the flexible display panel, and a driving controller configured to control the data driver. Here, a second image displayed in the second display area compensates for a first image displayed in the first display area.Type: GrantFiled: March 1, 2022Date of Patent: August 8, 2023Assignee: Samsung Display Co., LTD.Inventors: Dale Yim, Wonbok Lee
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Patent number: 11720207Abstract: A capacitive touch screen display operates by: receiving a plurality of sensed signals indicating variations in mutual capacitance associated with a plurality of cross points formed by a plurality of electrodes; generating capacitance image data associated with the plurality of cross points that includes positive capacitance variation data corresponding to positive variations of the capacitance image data from a nominal value and negative capacitance variation data corresponding to negative variations of the capacitance image data from the nominal value; determining, based on the positive capacitance variation data and the negative capacitance variation data, an upper threshold and a lower threshold; generating compensated capacitance image data, based on the upper threshold and the lower threshold, to compensate for noise in the capacitance image data; and processing the compensated capacitance image data to determine a proximal condition of the touch screen display.Type: GrantFiled: September 23, 2022Date of Patent: August 8, 2023Assignee: SigmaSense, LLC.Inventors: Richard Stuart Seger, Jr., Michael Shawn Gray, Daniel Keith Van Ostrand, Hans Howard Eilers, Kevin Joseph Derichs, Sarah Marie Derichs, Patrick Troy Gray, Phuong Huynh
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Patent number: 11715400Abstract: A display panel and a display device are provided. The display panel includes a flexible substrate and a plurality of display sections and retractable sections disposed on the flexible substrate in an array, wherein the retractable sections are configured to connect the display sections to each other. Each of the retractable sections includes at least four arc sections, one C-shaped section, and four straight sections. Under external forces in all directions, the arc sections and the C-shaped section extend and are deformed along different directions in a plane, and the straight sections can buffer stresses caused by extension and deformation.Type: GrantFiled: November 23, 2020Date of Patent: August 1, 2023Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Wenqiang Wang, Liang Sun, Bingkun Yin, Shijuan Yi, Li Hu, Likun Cheng
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Patent number: 11709558Abstract: A display panel is provided. The display panel includes a first hole in a first window region and a second hole in a second window region. The display panel includes a touch electrode layer including a plurality of first touch electrodes and a plurality of second touch electrodes. In the inter-window region, a first respective one of the plurality of first touch electrodes and a second respective one of the plurality of second touch electrodes directly adjacent to each other are spaced apart by a first gap having a first gap width. In the display region, a third respective one of the plurality of first touch electrodes and a fourth respective one of the plurality of second touch electrodes directly adjacent to each other are spaced apart by a second gap having a second gap width. The first gap width is greater than the second gap width.Type: GrantFiled: August 7, 2020Date of Patent: July 25, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Kemeng Tong, Fan He, Cong Fan
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Patent number: 11704927Abstract: An ultrasonic fingerprint sensor apparatus is provided. The ultrasonic fingerprint sensor apparatus includes a base substrate; a first electrode layer on the base substrate, and including an array of a plurality of first electrodes spaced apart from each other by an inter-electrode region; a piezoelectric layer on a side of the first electrode layer away from the base substrate; a second electrode layer on a side of the piezoelectric layer away from the base substrate, and including one or more second electrodes; and a first reference electrode layer configured to provide a first reference voltage. An orthographic projection of the first electrode layer on the base substrate is substantially non-overlapping with an orthographic projection of the second electrode layer on the base substrate. The first electrode layer and the first reference electrode layer are between the base substrate and the piezoelectric layer.Type: GrantFiled: November 14, 2019Date of Patent: July 18, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Yingming Liu, Haisheng Wang, Xiaoliang Ding, Pengpeng Wang, Xiufeng Li, Chenyang Zhang
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Patent number: 11703984Abstract: A touch sensor includes a sensing electrode that receives a touch input disposed on a sensing area of a substrate; and a plurality of sensing lines disposed on a non-sensing area of the substrate. Each of the plurality of sensing lines includes a first area and a second area, and first and second metal layers electrically coupled to the sensing electrode. The second metal layer is disposed on the first metal layer, and an insulating layer is interposed between the first and second metal layers. The sensing lines include first and second sensing lines. The first and second sensing lines include the first and second metal layers in the first area. The first sensing line includes the first metal layer without the second metal layer in the second area, and the second sensing line includes the second metal layer without the first metal layer in the second area.Type: GrantFiled: August 1, 2022Date of Patent: July 18, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kwang Hyeok Kim, Mi Young Kim, So Yeon Park, Yong Hwan Park, Sang Huyn Jun
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Patent number: 11699394Abstract: A pixel circuit, a driving method thereof and a display device are disclosed. The pixel circuit includes: a reset sub-circuit, a drive sub-circuit, a write sub-circuit, a compensation sub-circuit, a light-emitting control sub-circuit and a light-emitting element. The drive transistor is in the on-bias state in the reset period; the write sub-circuit is configured to write a data voltage of the data voltage terminal into the drive sub-circuit; the compensation sub-circuit is configured to compensate a threshold voltage of the drive transistor in the drive sub-circuit; the light-emitting control sub-circuit is configured to transmit a drive current, generated by the drive sub-circuit under action of the first voltage terminal, the second voltage terminal and the data voltage written into the drive sub-circuit, to the light-emitting element; and the light-emitting element is configured to emit light according to the drive current.Type: GrantFiled: July 27, 2022Date of Patent: July 11, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Chengchung Yang
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Patent number: 11694468Abstract: Disclosed is a display device including a display module, and a sensor layer below the display module for detecting light reflected from the display module, and including a base layer, a sensing layer on the base layer and including a sensing element that detects the light, and an optical pattern layer between the sensing layer and the display module, and including a light-shield section defining openings arranged at intervals when viewed in a plan view, and transmission sections respectively located in the openings.Type: GrantFiled: February 9, 2021Date of Patent: July 4, 2023Assignee: Samsung Display Co., Ltd.Inventors: Byung Han Yoo, Dae-Young Lee, Chaungi Choi, Gee-Bum Kim, Jaeik Lim
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Patent number: 11696483Abstract: An OLED touch and display driver integration chip is provided, including: a group of display driving pads for providing display driving signals to the OLED touch display panel; a group of touch pads for providing touch driving signals to touch electrodes on the OLED touch display panel and/or receiving touch sensing signals from the touch electrodes, and adjacently arranged with the group of display driving pads; and at least one isolation pad arranged between the group of display driving pads and the group of touch pads.Type: GrantFiled: July 5, 2022Date of Patent: July 4, 2023Assignee: NOVATEK MICROELECTRONICS CORP.Inventors: Chang-Hung Chen, Kun-Zheng Lin, Wei-Chieh Lin, Po-Sheng Liao, Yu-Huang Chen
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Patent number: 11694620Abstract: A display device is provided including a substrate. The substrate includes a display region that includes a plurality of pixels and a sensing region provided in at least one region of the display region. A circuit element layer is disposed on the substrate, the circuit element layer includes a plurality of conductive layers. A light emitting element layer is provided on the circuit element layer. The light emitting element layer includes a plurality of light emitting elements. A sensor layer is disposed on the substrate. The sensor layer includes a plurality of photo sensor units each including sensor pixels. The photo sensor units are arranged in an irregular pattern in the sensing region.Type: GrantFiled: January 31, 2022Date of Patent: July 4, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji Hun Ryu, Il Nam Kim, Jong Hyun Lee, Jae Kyoung Kim, Eun Jin Sung, Seong Ryong Lee
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Patent number: 11687180Abstract: A method for transmitting a touch control driving signal, a touch control chip and an electronic device are provided, which could effectively reduce the influence of the touch control driving signal in a touch control screen on a display screen. The method includes: acquiring a pixel update interval of a pixel circuit in a display screen, the pixel update interval being a time interval during which the pixel circuit receives a data driving signal; and generating a touch control driving signal of a touch control screen according to the pixel update interval, part of the touch control driving signal that is located within the pixel update interval being a constant value.Type: GrantFiled: September 20, 2021Date of Patent: June 27, 2023Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.Inventor: Hong Jiang
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Patent number: 11688345Abstract: Provided are a pixel driving circuit, a driving method and a display panel. The pixel driving circuit includes a driving transistor, a storage sub-circuit, a data writing sub-circuit, an initialization sub-circuit, a first light-emission control sub-circuit, a second light-emission control sub-circuit and a light-emitting element. The data writing sub-circuit is configured to write a data signal to a first electrode of the driving transistor in response to a second scan signal. The storage sub-circuit is configured to store the data signal written by the data writing sub-circuit. The initialization sub-circuit is configured to apply a reset voltage of an initial voltage terminal to the light-emitting element in response to a first scan signal. The first light-emission control sub-circuit is configured to apply a voltage of a first power terminal to the first electrode of the driving transistor in response to a first light-emission signal.Type: GrantFiled: August 16, 2022Date of Patent: June 27, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yao Huang, Yue Long, Weiyun Huang, Benlian Wang
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Patent number: 11681388Abstract: A display device includes a plurality of upper layer electrodes including a first upper layer electrode and a second upper layer electrode electrically separated from the first upper layer electrode, and a lower layer electrode provided in common with the first upper layer electrode and a second upper layer electrode and overlapping with the first upper layer electrode and the second upper layer electrode via an insulating film. The first upper layer electrode includes a first protrusion protruding toward the second upper layer electrode, and the second upper layer electrode includes a second protrusion protruding toward the first upper layer electrode. The lower layer electrode is provided with a wide portion having a width greater than those of the first protrusion and the second protrusion, the wide portion overlapping at least with a gap between the first protrusion and the second protrusion.Type: GrantFiled: April 19, 2019Date of Patent: June 20, 2023Assignee: SHARP KABUSHIKI KAISHAInventors: Masaki Yamanaka, Yi Sun, Takao Saitoh, Masahiko Miwa, Yohsuke Kanzaki