Patents Examined by Jennifer T. Nguyen
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Patent number: 11737341Abstract: According to one embodiment, a detection device comprises a base, a sensor layer, a collimator, a plurality of lenses, and a spacer. The sensor layer is placed on the base and includes a plurality of sensors which output detection signals corresponding to incident light. The collimator layer is placed on the sensor layer and includes a collimator having a plurality of openings which overlap the sensors, respectively. The plurality of lenses are placed on the collimator layer and overlap the openings, respectively. The spacer protrudes more than the lenses in a stacking direction of the base, the sensor layer and the collimator layer.Type: GrantFiled: March 10, 2022Date of Patent: August 22, 2023Assignee: Japan Display Inc.Inventors: Tomoyuki Ito, Jin Hirosawa
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Patent number: 11733792Abstract: A touch display device includes a plurality of photo sensors, a plurality of display pixels, and a touch sensing layer. The touch sensing layer disposed over the plurality of photo sensors and including a plurality of collimating openings corresponding to the plurality of photo sensors respectively to collimate light from different locations to the plurality of optical sensors.Type: GrantFiled: February 2, 2021Date of Patent: August 22, 2023Assignee: Novatek Microelectronics Corp.Inventors: Yi-Ying Lin, Chih-Chang Lai
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Patent number: 11727881Abstract: A pixel circuit and a display panel are provided. The display includes the pixel circuit. The pixel circuit includes a data line, a scan line, a plurality of hierarchical 2T1C circuits, a step-down circuit, and a reset circuit. The data line is configured to transmit a source data signal. The scan line is configured to transmit a scan signal. Each input of the plurality of hierarchical 2T1C circuits is connected to the scan line in parallel. An input of the step-down circuit is connected to the data line and an output of the step-down circuit is connected to another input of each 2T1C circuit. The reset circuit is connected to the input of the step-down circuit.Type: GrantFiled: April 15, 2020Date of Patent: August 15, 2023Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Yong Chen, Jun Li, Liang Sun
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Patent number: 11730043Abstract: A display device includes: an electronic module; and an electronic panel including: a base layer including an upper surface having a recessed portion and a dam portion; and an alignment mark disposed on the base layer, wherein the electronic panel includes: a first area including the electronic module; a second area surrounding at least a portion of the first area in a plan view; and an active area surrounding at least a portion of the second area in a plan view, wherein: the recessed portion and the dam portion are disposed in the second area, the second area includes a pattern area surrounding the first area and a line area surrounding the pattern area, and the alignment mark includes a conductive pattern and are disposed in the pattern area.Type: GrantFiled: September 4, 2022Date of Patent: August 15, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jongsoo Lee, Jong-Won Choo
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Patent number: 11727879Abstract: A display device includes: a display panel in which a non-display region and a display region surrounding the non-display region are defined, wherein the display panel includes: a base layer comprising a first region in which a hole is defined corresponding to the non-display region, a second region surrounding the first region, and a third region corresponding to the display region; and first signal line parts disposed on the second region and the third region, the first signal line parts arrayed spaced apart from each other in a first direction, and each of the first signal line parts includes: a first line; a second line spaced apart from the first line; and a first connection part configured to connect the first line and the second line.Type: GrantFiled: August 28, 2022Date of Patent: August 15, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jun-yong An, Jaewon Kim, Hyunae Park, Hyungjun Park, Seungwoo Sung, Young-soo Yoon, Ji-eun Lee, Yun-kyeong In, Donghyeon Jang, Junyoung Jo
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Patent number: 11723255Abstract: A display device includes: a display panel including a substrate, where the display panel is divided into a first display region in which a plurality of first pixels is disposed and a second display region in which a plurality of second pixels is disposed; and a sensor overlapping the second display region of the display panel. The second display region includes a plurality of unit pixel blocks, each including two second pixels adjacent to each other in a first direction and two second pixels adjacent to each other in a second direction intersecting the first direction, and a transmissive region through which light is transmitted. A distance between two unit pixel blocks adjacent to each other in the first direction is greater than a distance between two unit pixel blocks adjacent to each other in an oblique direction inclined to the first direction.Type: GrantFiled: January 27, 2021Date of Patent: August 8, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung Jin Hong, Gun Shik Kim, Tae Hoon Yang, Ja Eun Lee, Sun Ho Kim
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Patent number: 11710454Abstract: An electro-optical device includes one or more control lines that include a scanning line, a data line and a pixel circuit. The pixel circuit has a drive transistor, a write-in transistor with a gate which is electrically connected to the scanning line, a light-emitting element that emits light at a brightness that depends on the size of a current that is supplied through the drive transistor, and a control line which overlaps the gate of the drive transistor when viewed from a direction that is perpendicular to a surface of a substrate on which the pixel circuit is formed is included in the one or more control lines.Type: GrantFiled: July 7, 2022Date of Patent: July 25, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Takashi Toya, Takehiko Kubota
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Patent number: 11705077Abstract: A control method is provided for suppressing a flicker phenomenon even if frame periods vary in length. The control method controls an emission period and an extinction period of a frame period, which is a period in which one image continues to be displayed. When a signal indicating start of a frame period is detected, as the frame period, n subframe periods that configure the frame period, where n is an integer greater than or equal to 2, are sequentially started from the first subframe period, after a predetermined period of time has elapsed since the detection of the signal. All of the n subframe periods are controlled to have a substantially same length determined in advance and to have a substantially same ratio between the emission period and the extinction period, determined in advance, the ratio being referred to as a duty ratio.Type: GrantFiled: July 29, 2022Date of Patent: July 18, 2023Assignee: JOLED INC.Inventor: Hiroaki Ishii
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Patent number: 11703965Abstract: A display device includes a light-emitting element, an encapsulation layer covering the light-emitting element and including an organic thin film, an organic dielectric layer on the encapsulation layer and an input-sensing part on the organic dielectric layer. The organic dielectric layer includes an organic material and has a thickness smaller than a thickness of the organic layer of the encapsulation layer.Type: GrantFiled: April 26, 2021Date of Patent: July 18, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Changyeong Song, Jongwoo Kim, Yongchan Ju, Jaeheung Ha, Wonjong Kim, Heeyeon Park, Hyein Yang, Woosuk Jung
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Patent number: 11699381Abstract: The application provides a display device and a driving method thereof, and an electronic device. The display device driving method obtains a first driving parameter and a first compensation value of the display device, determines an abnormal driving parameter of the display device based on the first driving parameter and the first compensation value of the display device, then determines a second compensation value of the display device based on the abnormal driving parameter of the display device, and drives the display device using the second compensation value and the first driving parameter.Type: GrantFiled: April 30, 2021Date of Patent: July 11, 2023Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Huilan Zhan
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Patent number: 11693498Abstract: A touch display panel includes a substrate including display region and non-display region; light-emitting elements disposed in the display region; encapsulation layer including at least one inorganic layer and at least one organic layer that are stacked; touch layer disposed on a side of the at least one inorganic layer facing away from the light-emitting elements; plurality of touch wires extending to the non-display region along first direction; and step region including first region with at least one wall and second region with plurality of touch terminals, where at least part of the touch terminals are electrically connected to the touch wires in one-to-one manner, the second region includes at least one blocking column which extends along second direction and configured to prevent the at least one inorganic layer disposed between the touch layer and the substrate and in the encapsulation layer from extending to the touch terminals.Type: GrantFiled: June 30, 2021Date of Patent: July 4, 2023Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCHInventors: Lin Cheng, Yingying Wu, Peng Zhang, Xinzhao Liu
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Patent number: 11694647Abstract: According to one embodiment, a display device includes a first substrate, a second substrate including a common electrode, and a display function layer which is partly switched between a transparent state and a scattering state. The first substrate includes a first scanning line, a first signal line, an insulating layer, a first switching element, and a first pixel electrode. The first signal line includes a first coupling portion and a first line portion. The first scanning line intersects the first coupling portion and is provided in a same layer as the first line portion. The insulating layer is interposed between the first coupling portion and the first scanning line.Type: GrantFiled: June 10, 2021Date of Patent: July 4, 2023Assignee: Japan Display Inc.Inventor: Hirotaka Hayashi
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Patent number: 11696482Abstract: A display device includes: a display panel including a base substrate having a display region and a hole region included in the display region; a touch sensor including a light blocking member disposed on the display panel, a first sensing insulating layer covering the light blocking member, a sensing electrode layer disposed on the first sensing insulating layer, and a second sensing insulating layer covering the sensing electrode layer; a polarizing layer disposed on the touch sensor; and a cover window disposed on the polarizing layer. At least one of the first sensing insulating layer and the second sensing insulating layer exposes at least a portion of the hole region.Type: GrantFiled: April 18, 2022Date of Patent: July 4, 2023Assignee: Samsung Display Co., Ltd.Inventors: Chun Gi You, Tae Ik Kim, Hyun Sik Park
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Patent number: 11665928Abstract: An optical module includes a first electro-optical device including a first pixel, a second electro-optical device including a second pixel and a third pixel, and a prism. An area of the second pixel is larger than an area of the first pixel, and an area of the third pixel is smaller than the area of the second pixel. A width of the third pixel in a direction corresponding to a first direction in a synthesized image is not less than 0.5 times and less than 1 time a width of the first pixel in the direction corresponding to the first direction, and a width of the third pixel in a direction corresponding to a second direction in the synthesized image is 0.5 times or more and less than 1 time a width of the first pixel in the direction corresponding to the second direction.Type: GrantFiled: March 28, 2022Date of Patent: May 30, 2023Assignee: SEIKO EPSON CORPORATIONInventors: Hitoshi Ota, Tsuyoshi Tamura, Shinichi Iwata
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Patent number: 11657775Abstract: A display device includes a first light-transmitting substrate, a second light-transmitting substrate opposed to the first light-transmitting substrate, a liquid crystal layer comprising polymer dispersed liquid crystals filled between the first light-transmitting substrate and the second light-transmitting substrate, at least one light emitter opposed to at least one of a side surface of the first light-transmitting substrate and a side surface of the second light-transmitting substrate, and a first electrode and a second electrode disposed so as to sandwich the liquid crystal layer.Type: GrantFiled: March 3, 2021Date of Patent: May 23, 2023Assignee: Japan Display Inc.Inventors: Kojiro Ikeda, Kentaro Okuyama, Masaaki Kabe
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Patent number: 11653546Abstract: A display device includes a display area and a peripheral area. A display layer includes a plurality of display elements arranged thereon. A thin-film encapsulation layer is arranged on the display layer and includes first, second, and third encapsulation layers. The second encapsulation layer is on the first encapsulation layer. The third encapsulation layer is on the second encapsulation layer. A touch sensing layer is arranged on the thin-film encapsulation layer and includes touch electrodes and trace lines. The display area is partially bent about an axis, and the third encapsulation layer is bent along the axis and has a structure in which a first layer and a second layer are alternately stacked. The first layer includes an inorganic insulating material, and the second layer includes a silicon carbon compound material.Type: GrantFiled: December 28, 2020Date of Patent: May 16, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sunhee Lee, Sunho Kim, Gunhee Kim, Donghwan Shim, Taehoon Yang, Choelmin Jang
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Patent number: 11645970Abstract: A display device is in a multi-monitor system in which a plurality of display devices are connected using a daisy chain to display an image signal. The display device may include, but is not limited to, a reception unit configured to receive signal information that is information regarding a display of the image signal on a display device from the display device connected to an own display device; a comparison unit configured to compare the received signal information and signal information of the image signal in the own display device; and an output unit configured to output an instruction to perform a reset on at least one of the plurality of display devices when the two types of signal information are determined to be different as a result of the comparison.Type: GrantFiled: September 7, 2021Date of Patent: May 9, 2023Assignee: SHARP NEC DISPLAY SOLUTIONS, LTD.Inventor: Daisuke Moriwaki
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Patent number: 11640203Abstract: An operation system including: a prediction unit configured to determine a predicted value of a motion of an operator at a prediction time that is a time after elapse of a prediction time interval from the present using a predetermined machine learning model from a biomedical signal of the operator; a control unit configured to control a motion of a robot on the basis of the predicted value; and a prediction time setting unit configured to determine the prediction time interval on the basis of a delay time from a current value of the motion of the operator to the motion of the robot.Type: GrantFiled: May 26, 2022Date of Patent: May 2, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Takahide Yoshiike, Christopher Garry
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Patent number: 11634637Abstract: There is provided a composition including a first polymer compound having a photoreactive functional group, a second polymer compound, and an ultraviolet absorber having a benzotriazole skeleton, wherein a content of the ultraviolet absorber is less than 20 parts by mass per 100 parts by mass of a total of the first polymer compound and the second polymer compound.Type: GrantFiled: May 24, 2018Date of Patent: April 25, 2023Assignee: SHARP KABUSHIKI KAISHAInventors: Tomonori Itoh, Masanobu Mizusaki
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Patent number: 11620963Abstract: An electronic display system and a screen brightness adjusting method thereof are disclosed. The electronic display system includes an electronic display device and a signal connection cable. The electronic display device is electrically connected to a computer system via the signal connection cable, and the signal connection cable can be selectively connected to a mains power supply. The electronic display device comprises a connection port, a control chip, a screen, and a screen brightness adjustment module. After connecting the signal connection cable, the control chip determines whether the signal connection cable is connected to the power supply end to cause the screen brightness adjustment module controls an adjustable maximum brightness of the screen to be equal to a maximum default brightness or lower than the maximum default brightness.Type: GrantFiled: June 5, 2020Date of Patent: April 4, 2023Assignees: MAINTEK COMPUTER (SUZHOU) CO., LTD., PEGATRON CORPORATIONInventor: Xiao-Wei Li