Patents Examined by Sardis F Azongha
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Patent number: 11393893Abstract: A display device includes: a plurality of pixels arranged in a display area that has a non-quadrangular shape; and a plurality of driving circuits arranged in a peripheral area outside the display area and connected to the plurality of pixels, wherein a plurality of sub-driving circuits included in each of the plurality of driving circuits are distributed in a line in the peripheral area.Type: GrantFiled: June 18, 2020Date of Patent: July 19, 2022Assignee: Samsung Display Co., Ltd.Inventors: Junyoung Jo, Byungsun Kim, Minhee Choi, Minchae Kwak, Ilgoo Youn, Jieun Lee, Seunghan Jo
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Patent number: 11386837Abstract: A display substrate, a manufacturing method thereof and a display apparatus are provided. The display substrate includes a base substrate structure and a display structure on the base substrate structure, the display structure includes a plurality of light emitting units and is divided into multiple light-transmissive regions and multiple opaque regions; and a driving circuit for driving the display structure to display and comprising a pixel driving circuit between the base substrate structure and the display structure, and a peripheral circuit driving the pixel driving circuit and arranged on a side of the base substrate structure distal to the display structure and in the opaque regions, and the peripheral circuit is coupled to the pixel driving circuit through at least one through hole formed in the base substrate structure. The display substrate can realize frameless display, which is beneficial to realize seamless splicing display of a plurality of display substrates.Type: GrantFiled: March 20, 2020Date of Patent: July 12, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Renquan Gu, Qi Yao, Jaiil Ryu, Yingwei Liu, Zhiwei Liang, Muxin Di, Wusheng Li
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Patent number: 11380261Abstract: A pixel circuit, a pixel driving method and a display device are provided. The pixel circuit includes a light emitting element, a driving circuit, an energy storage circuit, an initialization circuit, a compensation control circuit, a light emitting control circuit and a written-in control circuit. The initialization circuit writes an initialization voltage into a control end of the driving circuit under the control of a first gate driving signal so as to conduct the connection between a first end of the driving circuit and a second end of the driving circuit; the compensation control circuit is configured to conduct the connection between the control end of the driving circuit and the second end of the driving circuit under the control of the second gate driving signal.Type: GrantFiled: January 20, 2020Date of Patent: July 5, 2022Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventor: Zhichong Wang
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Patent number: 11380263Abstract: An organic light emitting diode display includes: a substrate; an overlapping layer on the substrate; a pixel on the substrate and the overlapping layer; and a scan line, a data line, a driving voltage line, and an initialization voltage line that are connected to the pixel. The pixel includes: an organic light emitting diode; a second transistor connected to the scan line and the data line; a driving transistor including a gate electrode, an input terminal, and an output terminal, and to apply a current to the organic light emitting diode from the output terminal; and a voltage application transistor to apply a voltage to the overlapping layer. An output of the second transistor is connected to the input terminal of the driving transistor, and the overlapping layer is between the driving transistor and the substrate while overlapping with the driving transistor on a plane.Type: GrantFiled: May 22, 2019Date of Patent: July 5, 2022Assignee: Samsung Display Co., Ltd.Inventors: Ju-Won Yoon, Gun Hee Kim, Sang Ho Park, Seung Chan Lee, Joo Hee Jeon
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Patent number: 11373598Abstract: A display substrate and a display device are provided. A sub-pixel of the display substrate includes a light emitting element and a pixel circuit which includes a first connecting portion, a driving transistor and a threshold compensation transistor, an electrode of the threshold compensation transistor is electrically connected with a gate electrode of the driving transistor through the first connecting portion. The sub-pixel includes a first color sub-pixel pair which includes a first pixel block and a second pixel block. A ratio of an overlapping area between orthographic projections of the second electrode and the first connecting portion of the first pixel block on the base substrate to an overlapping area between orthographic projections of the second electrode and the first connecting portion of the second pixel block on the base substrate is in a range from 0.8 to 1.2.Type: GrantFiled: July 31, 2020Date of Patent: June 28, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tinghua Shang, Yang Zhou, Haigang Qing, Linhong Han, Ling Shi, Yao Huang
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Patent number: 11374067Abstract: A display device includes: a display panel including a plurality of pixels and a plurality of panel lines connected to the pixels; a plurality of sensing electrodes on the display panel; a plurality of sensing lines connected to the sensing electrodes on the display panel; and a plurality of pads connected to the panel lines and the sensing lines, wherein, at a fan-out part between the pixels and the pads, the panel lines are grouped into a plurality of first line groups, the sensing lines are grouped into a plurality of second line groups, and the first line groups and the second line groups are alternately arranged.Type: GrantFiled: September 17, 2020Date of Patent: June 28, 2022Assignee: Samsung Display Co., Ltd.Inventors: Yong-Hwan Park, Miyoung Kim, Soyeon Park
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Patent number: 11366557Abstract: An array substrate, including: a plurality of data lines, a plurality of touch lines, a plurality of touch electrodes, and a plurality of first switching devices. Each of the touch electrodes is electrically connected to at least one of the touch lines, each of the first switching devices is electrically connected to one of the data lines and one of the touch electrodes respectively, and each of the first switching devices is configured to selectively turn on or turn off the data line and the touch electrode which are connected.Type: GrantFiled: January 20, 2020Date of Patent: June 21, 2022Assignees: Hefei Xinsheng Optoelectronics Technology Co., LTD, BOE Technology Group Co., LTD.Inventor: Suzhen Mu
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Patent number: 11360621Abstract: A display apparatus includes a substrate including a display region and a non-display region, a display element layer, a pad group, a touch electrode layer, and a touch insulating layer. The display element layer includes display elements provided in the display region in a plan view. The pad group may include output pads provided on substrate and provided in the non-display region in the plan view. The touch electrode layer is provided on the display element layer. The touch insulating layer is provided on the display element layer and contacts the touch electrode layer. An intaglio pattern is provided in the touch insulating layer overlapped with the non-display region, and the intaglio pattern is not overlapped with the pad group.Type: GrantFiled: April 26, 2021Date of Patent: June 14, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kiwook Kim, Kyongtae Park, Hyesong Kwun, Dae-won Lee, Donghoon Jeong, Won-kyu Kwak, Kwangmin Kim, JoongSoo Moon, Changkyu Jin, Kyu-Sik Cho, Sungho Cho
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Patent number: 11361690Abstract: Provided are a display substrate, a method for detecting the same and a display device. The display substrate includes a display area and a non-display area surrounding the display area, the display substrate further includes data lines extending from the display area to the non-display area, the non-display area is provided with at least one switching transistor, a first electrode of each switching transistor is coupled to one of the data lines, a second electrode of each switching transistor is coupled to a data voltage supply circuit, at least one crack detecting wire, corresponding to the at least one switching transistor in one-to-one correspondence, is provided in the display area, an end of the crack detecting wire is coupled to a control electrode of the switching transistor corresponding to the crack detecting wire, another end of the crack detecting wire is coupled to a switching voltage supply circuit.Type: GrantFiled: November 8, 2018Date of Patent: June 14, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Taoran Zhang, Zailong Mo, Da Zhou
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Patent number: 11360572Abstract: Program actions may be initiated after detection of a predefined gesture by a user with a real-world object. Users may interact with their physical environment in an augmented reality by detecting interactions with real objects using a combination of location and motion detection, material identification using wearable sensors, or both. Based on detected sensor data from user interaction with a real-world object, a predefined gesture may be identified and a program action associated with that target interaction for the real-world object may be executed. In some cases, the user experience may be enhanced by providing haptic feedback in response to tactile gestures and resulting events.Type: GrantFiled: April 2, 2021Date of Patent: June 14, 2022Assignee: PCMS Holdings, Inc.Inventor: Vincent Levesque
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Patent number: 11342395Abstract: An organic light-emitting diode display may have thin-film transistor circuitry formed on a substrate. The display and substrate may have rounded corners. A pixel definition layer may be formed on the thin-film transistor circuitry. Openings in the pixel definition layer may be provided with emissive material overlapping respective anodes for organic light-emitting diodes. A cathode layer may cover the array of pixels. A ground power supply path may be used to distribute a ground voltage to the cathode layer. The ground power supply path may be formed from a metal layer that is shorted to the cathode layer using portions of a metal layer that forms anodes for the diodes, may be formed from a mesh shaped metal pattern, may have L-shaped path segments, may include laser-deposited metal on the cathode layer, and may have other structures that facilitate distribution of the ground power supply.Type: GrantFiled: May 14, 2021Date of Patent: May 24, 2022Assignee: Apple Inc.Inventors: Chin-Wei Lin, Stephen S. Poon, Warren S. Rieutort-Louis, Cheng-Ho Yu, ChoongHo Lee, Doh-Hyoung Lee, Ting-Kuo Chang, Tsung-Ting Tsai, Vasudha Gupta, Younggu Lee
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Patent number: 11341918Abstract: A method of driving a pixel includes providing a driving transistor having a first end connected to a first node, a control end connected to a second node, and a second connected to the third node end; a writing circuit connected a data signal end, a first scanning end and the first node; a first control circuit connected to a first power end, a light emitting control end and the first node; a reset circuit connected to a reference signal end, a second scanning end, and the second node; a compensation circuit connected between the second node and the third node; a second control circuit connected to the third node, a light emitting element, and the light emitting control end; and an energy storage circuit connected between the first power end and the second node. The second end of the light emitting element receives a second voltage signal.Type: GrantFiled: April 20, 2021Date of Patent: May 24, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tieshi Wang, Xueling Gao, Zhiqiang Xu, Chengchung Yang, Haoran Liu
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Patent number: 11335275Abstract: The present disclosure discloses a source driver capable of accurately sensing characteristics of a display panel by minimizing the influence of a floating channel. The source driver may include normal channels connected to pixels of a display panel, a floating channel under no-load; and a sampling circuit configured to sample signals of the normal channels and the floating channel. The source driver may provide a first reference voltage to the floating channel in a first period in which characteristics of the pixels are sensed.Type: GrantFiled: May 11, 2021Date of Patent: May 17, 2022Assignee: Silicon Works Co., Ltd.Inventors: Won Kim, Young Bok Kim
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Patent number: 11315485Abstract: A shift register circuit comprises a shift register, and a signal output circuit including J number of scan signal output circuits (J is an integer of 2 or more) operating by being connected with the shift register to respectively output J number of scan signals. The J number of scan signal output circuits share a first QB node and a second QB node of the shift register, a common output terminal of the shift register, and a first voltage line, operate based on a potential of the first QB node, a potential of the second QB node, a common output signal output through the common output terminal, a first voltage transferred through the first voltage line, and an Ith clock signal transferred through an Ith clock signal line, and output the J number of scan signals through output terminals which are respectively divided.Type: GrantFiled: December 21, 2020Date of Patent: April 26, 2022Assignee: LG DISPLAY CO., LTD.Inventor: SungHak Jo
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Patent number: 11315499Abstract: A display device comprises a first pattern disposed on a substrate and receiving a driving voltage, a second pattern disposed on the first pattern and receiving the driving voltage, an intermediate pattern disposed on the first pattern and receiving the driving voltage, a first source pattern disposed on the intermediate pattern and contacting the first pattern, the second pattern, and the intermediate pattern, a second source pattern disposed in the same layer as the first source pattern and contacting the intermediate pattern, and a third source pattern disposed on the second source pattern and contacting the second source pattern.Type: GrantFiled: May 11, 2021Date of Patent: April 26, 2022Inventors: Jonghyun Choi, Hoongi Lee
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Patent number: 11309364Abstract: Provided are a sensor, a display panel and an electronic device. The sensor includes a flexible substrate, a plurality of sensing units disposed on a first side of the flexible substrate, and at least one inorganic blocky structure and at least one organic layer which are disposed on the first side of the flexible substrate, where each of the plurality of sensing units is disposed corresponding to a respective one of the at least one blocky structure, and a vertical projection of at least part of the respective one of the at least one blocky structure on a plane where the flexible substrate is located overlaps with the corresponding one of the plurality of sensing units, and where the at least one organic layer is filled adjacent blocky structures.Type: GrantFiled: January 21, 2021Date of Patent: April 19, 2022Assignee: Hubei Yangtze Industrial Innovation Center of Advanced Display Co., Ltd.Inventors: Shaolong Ma, Feng Lu
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Patent number: 11308889Abstract: A detection method of a pixel circuit, a driving method of a display panel, and a display device are disclosed. The pixel circuit includes a driving transistor; and the detection method of the pixel circuit includes: in the first charge cycle, applying a first data voltage to a gate electrode of the driving transistor, acquiring a first sensing voltage at a first electrode of the driving transistor within the first duration after the application of the first data voltage and before the driving transistor is switched off, and determining whether the first sensing voltage is equal to reference sensing voltage.Type: GrantFiled: August 24, 2018Date of Patent: April 19, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Danna Song, Yi Cheng Lin, Pan Xu, Zhongyuan Wu
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Patent number: 11301069Abstract: The present invention provides a touch display panel and a manufacturing method thereof, and a touch display device. The touch display panel includes a substrate layer, a light emitting layer, a thin film encapsulation layer, a polarizer, and a cover plate which are arranged in sequence. The light emitting layer includes a planarization layer, a first pixel definition layer, and a first touch electrode layer which are arranged in sequence.Type: GrantFiled: January 13, 2020Date of Patent: April 12, 2022Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Ming Xie
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Patent number: 11302269Abstract: An organic light emitting diode (OLED) display includes pixel rows, and a panel driver configured to drive the display panel. The panel driver includes a determining circuit configured to select one pixel row from the plurality of pixel rows, to determine load data based on input image data for the one pixel row, and to determine target mobility data corresponding to the load data, a sensing circuit configured to generate mobility sensing data corresponding to mobility values of driving transistors of a plurality of pixels included in the one pixel row by performing a mobility sensing operation on the one pixel row, and a current control circuit configured to compare the mobility sensing data and the target mobility data to generate a result, and to adjust a panel current flowing through the display panel according to the result.Type: GrantFiled: April 22, 2021Date of Patent: April 12, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyunho Kim, Sangan Kwon, Yong-Jin Shin, Joonsuk Baik
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Patent number: 11296180Abstract: A display apparatus includes a substrate including a transmitting area, a display area surrounding the transmitting area, a first non-display area disposed between the transmitting area and the display area, and a second non-display area surrounding the display area. A plurality of pixels is arranged in the display area. A set of 2n connection wirings (where n is a positive integer) is disposed in the first non-display area and each of the 2n connection wirings extends along at least a part of an edge of the transmitting area. Each of a plurality of voltage wirings extends in a first direction and is connected to at least some of pixels disposed in a common row from among the plurality of pixels. Each of the plurality of voltage wirings is connected to one of the 2n connection wirings.Type: GrantFiled: April 12, 2021Date of Patent: April 5, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyeonghwa Kim, Nuree Um, Kyunghoon Kim, Mihae Kim, Jaedu Noh, Kyonghwan Oh, Seunghee Lee