In Array Having Structure For Use As Imager Or Display, Or With Transparent Electrode Patents (Class 257/72)
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Patent number: 12261227Abstract: The present disclosure provides a thin film transistor, a display substrate and a display device, and belongs to the field of display technology. The thin film transistor of the present disclosure includes: a base, and a gate, an active layer, a source and a drain located on the base, where the gate includes a first gate and a second gate which are sequentially provided on the base and are electrically connected to each other; the active layer is located between the first gate and the second gate, and orthographic projections of the first gate and the second gate on the base are partially overlapped with an orthographic projection of the active layer on the base, and the orthographic projections of the first gate and the second gate on the base are partially overlapped with each other.Type: GrantFiled: May 21, 2021Date of Patent: March 25, 2025Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chenglong Wang, Yezhou Fang, Feng Li, Lei Yao, Lei Yan, Kai Li, Lin Hou, Xiaogang Zhu, Yun Gao, Yanzhao Peng, Teng Ye, Hua Yang
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Patent number: 12249283Abstract: According to one embodiment, a display apparatus includes a plurality of semiconductor layers, a first insulation film, a first conductive layer, a second insulation film and a display element includes a second conductive layer. The first conductive layer and the second conductive layer are opposed to each other to form a capacitance unit.Type: GrantFiled: January 9, 2024Date of Patent: March 11, 2025Assignee: Japan Display Inc.Inventors: Kazuyoshi Omata, Hiroyuki Kimura, Makoto Shibusawa, Hiroshi Tabatake
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Patent number: 12243876Abstract: A display device includes a first substrate including a display area and a non-display area adjacent to the display area, a first voltage line disposed on the first substrate and supplying a first voltage, a second substrate disposed on the first voltage line, and a thin film transistor layer disposed on the second substrate and comprising a plurality of thin film transistors and a second voltage line disposed in the non-display area and electrically connected to the first voltage line through a first contact hole penetrating the second substrate.Type: GrantFiled: December 7, 2021Date of Patent: March 4, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Doo Hyun Lee
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Patent number: 12219791Abstract: The present disclosure provides a display substrate, a manufacturing method thereof, and a display device. The display substrate includes a substrate, and a compensation electrode, an auxiliary electrode, a light-emitting functional layer, and a cathode layer arranged on one side of the substrate. The auxiliary electrode is arranged on one side of the compensation electrode away from the substrate, and coupled to the compensation electrode. A first notch is formed in a side surface of the auxiliary electrode, and at least a part of the first notch extends in a direction parallel to the substrate. The light-emitting functional layer is arranged on one side of the auxiliary electrode away from the substrate, and interrupted at the first notch. The cathode layer is arranged on one side of the light-emitting functional layer away from the substrate, and coupled to the auxiliary electrode at the first notch.Type: GrantFiled: April 21, 2021Date of Patent: February 4, 2025Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Can Yuan, Yongqian Li, Bin Zhou, Ning Liu, Zhidong Yuan
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Patent number: 12219821Abstract: A display device includes a substrate, a thin film transistor on the substrate, an interlayer insulating layer on the thin film transistor, an electrode on the interlayer insulating layer, the electrode including an emission region, a contact region overlapping the thin film transistor, and a dummy region protruding from the emission region in a direction different from the contact region, and an emission layer on the electrode, the emission region of the electrode overlapping the emission layer.Type: GrantFiled: June 21, 2023Date of Patent: February 4, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sun-Kyu Joo, In Seok Song, Keun Chan Oh, Byung-Chul Kim, In Ok Kim, Gak Seok Lee, Chang-Soon Jang
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Patent number: 12219825Abstract: A display substrate includes sub-pixels on a base substrate and each including a sub-pixel aperture area, a reflective layer, an insulating layer, independent anode patterns, a light-emitting function layer and a cathode. An orthographic projection of the reflective layer onto the base substrate at least partially overlaps an orthographic projection of the sub-pixel aperture area onto the base substrate. Each of orthographic projections of the anode patterns onto the base substrate at least partially overlaps the orthographic projection of the sub-pixel aperture area onto the base substrate. An orthographic projection of the light-emitting function layer onto the base substrate is within the orthographic projection of the sub-pixel aperture area onto the base substrate. An orthographic projection of the cathode onto the base substrate covers the orthographic projection of the light-emitting function layer onto the base substrate.Type: GrantFiled: February 9, 2021Date of Patent: February 4, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yanliu Sun, Pengxia Liang, Ge Shi, Jiahui Han, Xue Dong, Shiyu Zhang, Yujie Liu, Song Yang, Yuyao Wang
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Patent number: 12213352Abstract: A display device includes a display area including a plurality of pixels and a non-display area located around the display area. The display device further includes a base substrate, a lower metal line disposed on the base substrate and surrounding at least a portion of the display area in a plan view, and a gate layer disposed on the lower metal line. In the non-display area, the lower metal line does not overlap the gate layer.Type: GrantFiled: June 7, 2021Date of Patent: January 28, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hee Rim Song, Hae Min Kim
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Patent number: 12190836Abstract: An electro-optic display including a first subpixel electrode and a second subpixel electrode associated with a display pixel, and an electrophoretic display medium disposed between a common electrode and the first and second subpixel electrodes. The electro-optic display also includes a display controller circuit in electrical communication with the common electrode and a first transistor associated with the display pixel. The display controller circuit is capable of applying waveforms to the display pixel by applying one or more time-dependent voltages between the common electrode and the first subpixel electrode via the first transistor, where the one or more time-dependent voltages are applied to the first subpixel electrode. The electro-optic display also includes a second transistor in electrical communication with the first subpixel electrode and the second subpixel electrode.Type: GrantFiled: January 23, 2024Date of Patent: January 7, 2025Assignee: E Ink CorporationInventors: Timothy J. O'Malley, Karl Raymond Amundson, Chih-Hsiang Ho, Jonathan L. Zalesky, Yi Lu, Ian French
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Patent number: 12189250Abstract: Embodiments of the present disclosure provide a display substrate having a display region and a frame region. The display substrate includes a plurality of display pixels and a plurality of dummy pixels arranged in an array; the display pixels are distributed in the display region; the dummy pixels are distributed in the frame region. Each display pixel includes a first pixel electrode and a first common electrode; and a first voltage difference exists between the first pixel electrode and the first common electrode. Each dummy pixel includes a second pixel electrode and a second common electrode; and a second voltage difference exists between the second pixel electrode and the second common electrode. A difference between the first voltage difference and the second voltage difference is less than a set value. Embodiments of the present disclosure further provides a display panel and a display apparatus.Type: GrantFiled: November 30, 2021Date of Patent: January 7, 2025Assignees: Wuhan BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yiyi Zhang, Wei Wu, Yan Chen, Dang Zhang, Junfeng Dai, Xiang Liu, Yichen Zhou, Hao Zhang, Mingyu Xiao, Zizheng Liu, Yuan Tong, Qi Chen, Taohe Zhu
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Patent number: 12183744Abstract: A display substrate, a display device, a method of forming a display substrate, and a method of forming a display device are provided. The display substrate includes: a first insulation structure, including a display area and a frame area, where the frame area is arranged around the display area, and at least one first groove is arranged in the first insulation structure of the display area; a first wiring layer arranged on the first insulating structure and covering a side surface and a bottom surface of the first groove; a second insulation structure arranged on the first wiring layer, where at least one first through-hole is formed in the second insulation structure of the frame area; a first conductive structure covering a part of an upper surface of the second insulating structure and at least a sidewall and a bottom surface of the first via-hole.Type: GrantFiled: December 13, 2021Date of Patent: December 31, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jingyi Feng, Yingsong Xu, Changlong Yuan, Zhenhua Zhang, Xilei Cao, Qian Ma
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Patent number: 12170336Abstract: The present disclosure relates to oxide semiconductor transistors, methods of manufacturing the same, and/or memory devices including the oxide semiconductor transistors. The oxide semiconductor transistor includes first and second compound layers provided on a substrate, a channel layer in contact with the first and second compound layers, a first electrode facing a portion of the channel layer, a second electrode facing the first compound layer with the channel layer therebetween, and a third electrode facing the second compound layer with the channel layer therebetween. An oxygen concentration of a region of the channel layer facing the first electrode is greater than that of the remaining regions of the channel layer. A buffer layer may further be provided between the channel layer and the second and third electrodes. The first and second compound layers may include oxygen and a metal.Type: GrantFiled: December 2, 2021Date of Patent: December 17, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Kwanghee Lee, Sangwook Kim
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Patent number: 12165592Abstract: There is provided a display device including a substrate, a circuit layer, and an element layer. A display area of the substrate includes a main display area in which emission areas are arranged side by side, and at least one sub-display area surrounded by the main display area. The at least one sub-display area further includes light transmission areas located between the emission areas. The circuit layer includes light-emitting pixel drivers respectively electrically connected to the light-emitting elements of the element layer, data lines transmitting data signals to the light-emitting pixel drivers, first dummy lines extending in a first direction intersecting the data lines, and second dummy lines extending parallel to the data lines and paired with the data lines, respectively. The second dummy lines include reset transmission lines extending from the non-display area to the at least one sub-display area.Type: GrantFiled: December 18, 2023Date of Patent: December 10, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jeong Hun Bang, Ji Hyun Ka, Kyung Hoon Kim, Joong Soo Moon, Jae Sic Lee, Jae Yong Lee
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Patent number: 12164187Abstract: Embodiments of the present disclosure provide a display substrate and a display panel. The display substrate has a light-transmissive region and a light-shielding region, and the light-shielding region includes a main support region and a secondary support region. The display substrate includes a substrate, an alignment layer on the substrate, and a convex structure on the alignment layer. The convex structure is on a side of the alignment layer distal to the substrate and at least in the main support region, and a distance from a surface of the convex structure distal to the substrate to the substrate is greater than a distance from a surface of the alignment layer distal to the substrate to the substrate.Type: GrantFiled: January 21, 2021Date of Patent: December 10, 2024Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kai Li, Feng Li, Yezhou Fang, Xinguo Wu, Lei Yao, Chenglong Wang, Zhixuan Guo, Lei Yan
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Patent number: 12161019Abstract: A display apparatus includes a display panel module including a front surface displaying an image and a rear surface opposite the front surface, and a heat dissipation member disposed on the rear surface of the display panel module and including a first portion, that is in contact with the display panel module, and a second portion that is spaced farther apart from the display panel module than the first portion is. The heat dissipation member includes at least one portion that is bent between the first portion and the second portion with respect to a bending axis parallel to the rear surface.Type: GrantFiled: July 28, 2023Date of Patent: December 3, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Byoungkyoo Park, Jooyoung Kim, Weejoon Jeong, Jangun Choi
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Patent number: 12147132Abstract: A display device includes a substrate, a first data fan-out line disposed on the substrate, a first data line disposed on the first data fan-out line and comprising a repair area overlapping the first data fan-out line, a color filter disposed on the first data line and overlapping the repair area, and a connection electrode disposed in the repair area and being in direct contact with the first data fan-out line and the first data line.Type: GrantFiled: March 29, 2023Date of Patent: November 19, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyeon Cheol Kang, Soo San Mun, Yong Seok Lee
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Patent number: 12142213Abstract: A display device includes: a light emitting diode; a driving transistor configured to transmit driving current to the light emitting diode; a bias transistor including an input terminal electrically connected to a bias voltage line; a first light emission control transistor including an output terminal electrically connected to an in put terminal of the driving transistor, and a gate electrode configured to receive a light emission control signal; a second light emission control transistor including an input terminal electrically connected to an output terminal of the driving transistor, and a gate electrode configured to receive the light emission control signal; a bias bridge electrode electrically in contact with each of an output terminal of the bias transistor and the input terminal of the driving transistor; and a first light emission control bridge electrode configured to receive the light emission control signal.Type: GrantFiled: February 27, 2023Date of Patent: November 12, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jinsung An, Youngtaek Oh, Sungho Kim, Yongjae Kim, Sugwoo Jung
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Patent number: 12127443Abstract: A display device, includes: a substrate including pixel areas and a transmissive area between the pixel areas; a pixel circuit layer including at least one transistor on each of the pixel areas; and a light-emitting element layer on the pixel circuit layer and including at least one light-emitting element at each of the pixel areas and coupled to the at least one transistor, and a transparent organic layer at the transmissive area, wherein the light-emitting element layer further includes: a first electrode at the pixel areas, a first inorganic layer at the first electrode, an organic layer covering the first inorganic layer and the transparent organic layer, and a second inorganic layer on the organic layer.Type: GrantFiled: June 12, 2023Date of Patent: October 22, 2024Assignee: Samsung Display Co., Ltd.Inventors: Joo Hee Jeon, Tae Hoon Yang, Gun Hee Kim, Sung Jin Hong
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Patent number: 12125855Abstract: According to one embodiment, a display device includes first semiconductor layers crossing a first scanning line in a non-display area, the first semiconductor layers being a in number, second semiconductor layers crossing a second scanning line in the non-display area, the second semiconductor layers being b in number, and an insulating film disposed between the first and second semiconductor layers and the first and second scanning lines, wherein a and b are integers greater than or equal to 2, and a is different from b, and the first and second semiconductor layers are both entirely covered with the insulating film.Type: GrantFiled: September 1, 2023Date of Patent: October 22, 2024Assignee: Japan Display Inc.Inventor: Masato Nakamura
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Patent number: 12124648Abstract: The present application provides an array base plate and a preparing method thereof, and a display panel. The array base plate includes a plurality of touch-controlling units that are disposed on the substrate and are arranged in an array, wherein the first electrodes of all of the sub-pixels of the touch-controlling units are electrically connected; a plurality of driving electrode lines, wherein at least part of orthographic projections of the driving electrode lines on the substrate are disposed between orthographic projections on the substrate of two neighboring rows of the first electrodes, and the driving electrode lines are electrically connected to at least one of the first electrodes; in the two neighboring rows of the first electrodes, all of the rows of the first electrodes are arranged in a direction of the driving electrode lines.Type: GrantFiled: August 26, 2021Date of Patent: October 22, 2024Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenxing Xi, Xin Fang, Bin Lin, Rong Wu, Zhenyou Zou, Fadian Le, Daelim Choi
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Patent number: 12124126Abstract: A backlight unit A backlight unit comprises first and second glass substrates, a resin layer between the first and second glass substrates, light sources on the first and second glass substrates, first and second transistors on the first and second glass substrates and electrically connected with the light sources, and spaced apart from each other, first conductive layers on a portion of an upper surface of the first glass substrate, second conductive layers on a portion of an upper surface of the second glass substrate, and third conductive layers on the first glass substrate, the second glass substrate, and the resin layer, wherein one of the third conductive layers is electrically connected with one of the first conductive layers and one of the second conductive layers and is on a portion of an upper surface of the resin layer.Type: GrantFiled: November 1, 2022Date of Patent: October 22, 2024Assignee: LG Display Co., Ltd.Inventors: EuiJung Kim, ChangKyeong Kong, HyunCheol Cho
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Patent number: 12108645Abstract: Provided is a display panel including first bypass wirings electrically coupling main pixel circuits in a first direction, and bypassing along one side of a pixel group at an outermost portion of the component area, horizontal wirings electrically coupled to the main pixel circuits and auxiliary pixel circuits and extending in a first direction, and extension wirings between two pixel groups adjacent to each other along the first direction, and extending in the first direction, wherein the extension wirings are electrically coupled to the horizontal wirings included in each of the two pixel groups, and the number of the extension wirings is less than the number of the horizontal wirings.Type: GrantFiled: July 12, 2023Date of Patent: October 1, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sunghwan Kim, Wonkyu Kwak, Youngsoo Yoon
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Patent number: 12101991Abstract: Provided are (i) a solution for forming an organic semiconductor layer which solution has excellent coating property, (ii) an organic semiconductor which is produced with use of the solution and which has high heat resistance, (iii) a layer which contains the organic semiconductor, and (iv) an organic thin film transistor which exhibits high electrical properties. A composition containing: an organic semiconductor; and a polymer (1) having at least one unit selected from the group consisting of units represented by formulae (1-a), (1-b) and (1-c) given below. A composition containing the organic semiconductor, the polymer (1) and an organic solvent can be suitably used as a solution for forming an organic semiconductor layer.Type: GrantFiled: December 19, 2019Date of Patent: September 24, 2024Assignee: TOSOH CORPORATIONInventors: Takahiro Mori, Takashi Fukuda
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Patent number: 12096664Abstract: The disclosure provides a thin film transistor (TFT) array substrate provided with a display area and a bending area, including a substrate layer and a functional layer disposed on the substrate layer, wherein the functional layer includes a plurality of insulating layers and a plurality of metal layers. In the bending area, the metal layers include a first metal layer, a second metal layer, and a second gate layer. The first metal layer is disposed on a side end of a filling layer and connects to the second gate layer by a through hole. The second metal layer is disposed on an insulating layer on an outer side of the first metal layer.Type: GrantFiled: November 18, 2019Date of Patent: September 17, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Xing Ming, Zhongtao Cao
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Patent number: 12087784Abstract: A detection element, a manufacturing method thereof and a flat panel detector are disclosed. The detection element includes: a base substrate; a first electrode on the base substrate; a photoelectric conversion layer; a transparent electrode and a second electrode electrically connected with the transparent electrode on a side of the photoelectric conversion layer away from the first electrode. An orthographic projection of the photoelectric conversion layer on the base substrate completely falls within an orthographic projection of the first electrode on the base substrate, in a plane parallel to the base substrate, the transparent electrode is located at a middle portion of the photoelectric conversion, an orthographic projection of the second electrode on the base substrate includes a ring surrounding an orthographic projection of the transparent electrode on the base substrate.Type: GrantFiled: May 18, 2023Date of Patent: September 10, 2024Inventors: Xuecheng Hou, Pengcheng Tian, Chuncheng Che, Chia Chiang Lin, Xin Li
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Patent number: 12080722Abstract: A pixel array, a display panel, and a display device are provided. The pixel array includes a first pixel electrode, a first data line, and a second data line. The first pixel electrode includes a first side and a second side opposite to the first side. The first data line is electrically connected to the first pixel electrode. The first data line is adjacent to the first side of the first pixel electrode and extends to the second side. The second data line is adjacent to the first data line. At least a portion of the second data line is disposed between the second side and the first data line. The first data line and the second data line are respectively configured to transmit signals with opposite polarities.Type: GrantFiled: October 25, 2021Date of Patent: September 3, 2024Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Yichen Bai, Zhijuan Long, Hongquan Wei
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Patent number: 12082453Abstract: A display device may include a substrate including a display area, a thin film transistor disposed on the substrate, a via layer disposed on the thin film transistor, where a via hole is defined through the via layer to expose a part of the thin film transistor, a lower electrode disposed on the via layer, a pixel defining layer disposed on the via layer, where a step structure is defined in the pixel defining layer to overlap the via hole, and a transmission preventing pattern disposed on the pixel defining layer and overlapping the via hole.Type: GrantFiled: July 14, 2021Date of Patent: September 3, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Junhee Lee, Minyeul Ryu, Beohmrock Choi
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Patent number: 12073788Abstract: A pixel circuit, a display substrate, a display panel, and a display device are provided. The pixel circuit includes: a first driving circuit, a second driving circuit, a first light-emitting control circuit, and a second light-emitting control circuit. The first light-emitting control circuit is configured to control a connection between the first driving circuit and the light-emitting element and a connection between the first driving circuit and the first power line to be turned on or off; the second light-emitting control circuit is configured to control a connection between the second driving circuit and the light-emitting element and a connection between the second driving circuit and the second power line to be turned on or off; the first driving circuit and the second driving circuit are configured to control a driving current for driving the light-emitting element to emit light based on the same data voltage.Type: GrantFiled: May 17, 2021Date of Patent: August 27, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Pinchao Gu, Weiyun Huang, Yudiao Cheng, Chao Wu
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Patent number: 12072592Abstract: According to one embodiment, a semiconductor substrate comprises a pixel partitioned by a first gate line and a second gate line among a plurality of gate lines and by a first source line and a second source line among a plurality of source lines, a first transistor and a second transistor that are arranged in the pixel, and a first pixel electrode disposed between the first source line and the second source line and a second pixel electrode adjacent to the first pixel electrode in the second direction, wherein the first transistor and the second transistor are connected to the first pixel electrode, and the first gate line does not overlap the first pixel electrode but overlaps the second pixel electrode.Type: GrantFiled: May 2, 2022Date of Patent: August 27, 2024Assignee: Japan Display Inc.Inventor: Hirotaka Hayashi
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Patent number: 12066723Abstract: The present application provides a display panel and a display device. The display panel includes: thin film transistors arranged on the first substrate; a common electrode layer arranged on the thin film transistors; auxiliary conductive patterns disposed on the common electrode layer and connected to the common electrode layer; a pixel electrode layer electrically insulated from the common electrode layer and the auxiliary conductive patterns; and spacers arranged between the first substrate and the second substrate and staggered with respect to the auxiliary conductive patterns.Type: GrantFiled: October 11, 2021Date of Patent: August 20, 2024Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Jiha Kim, Bin Liu
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Patent number: 12069926Abstract: A display device includes first to third light emitting units disposed on a substrate, an encapsulation layer disposed on the first to third light emitting units, a sensor electrode disposed on the encapsulation layer, an insulating layer disposed on the sensor electrode, first to third color filters disposed on the touch insulating layer and overlapping the first to third light emitting units in a thickness direction of the substrate, respectively. The sensor electrode overlaps at least one of the first color filter, the second color filter, and the third color filter in the thickness direction of the substrate.Type: GrantFiled: June 28, 2021Date of Patent: August 20, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Hyeong Lee, Su Jeong Kim, Jin A Seo, Yi Seop Shim, Yun Ho Lee, Eun Bee Lee, Sung Gyu Jang
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Patent number: 12069914Abstract: An organic light emitting diode display includes a substrate, a semiconductor layer on the substrate, the semiconductor layer including a doped area and an undoped area, a first insulation layer that covers the semiconductor layer, a first conductor on the first insulation layer, a second insulation layer that covers the first conductor, a second conductor on the second insulation layer, a third insulation layer that covers the second conductor, and a third conductor on the third insulation layer, wherein, in the semiconductor layer that overlaps the first conductor, the doped area is between undoped areas.Type: GrantFiled: November 22, 2021Date of Patent: August 20, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung Hwan Kim, Won Kyu Kwak, Sang Moo Choi, Ji-Hyun Ka, Chul Kyu Kang, Dong Wook Kim, Won Se Lee
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Patent number: 12063822Abstract: A flexible display panel and a display device are provided. The display device includes a display area and a bending area located outside the display area. The bending area includes: a first flexible area, a first metal layer, an organic insulating layer, and a second metal layer. The first metal layer includes a plurality of traces, and the second metal layer includes a plurality of metal patterns. Orthographic projections of the plurality of metal patterns on the first flexible area completely cover orthographic projections of the first traces and the second traces on the first flexible area.Type: GrantFiled: August 30, 2021Date of Patent: August 13, 2024Inventor: Jian Ye
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Patent number: 12048226Abstract: Disclosed herein are a display device and a mobile terminal device including the same, which include a display panel including a screen in which a plurality of display pixels which are sequentially scanned, and a plurality of sensor pixels which are exposed to a light during an exposure time to convert the light into an electric current are disposed. While the display pixels disposed in the first area of the screen are scanned, the sensor pixels are exposed. While the display pixels in the second area of the screen are scanned, sensor data is output from the sensor pixels and then the sensor pixels are initialized.Type: GrantFiled: July 20, 2021Date of Patent: July 23, 2024Assignee: LG Display Co., Ltd.Inventors: Dong Gun Lee, Joung Mi Choi, Man Hyeop Han
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Patent number: 12041830Abstract: A method of fabricating a conductive pattern includes forming a conductive metal material layer and a conductive capping material layer on a substrate, forming a photoresist pattern as an etching mask on the conductive capping material layer, forming a first conductive capping pattern by etching the conductive capping material layer with a first etchant, forming a conductive metal layer and a second conductive capping pattern by etching the conductive metal material layer and the first conductive capping pattern with a second etchant, and forming a conductive capping layer by etching the second conductive capping pattern with a third etchant. The second conductive capping pattern includes a first region overlapping the conductive metal layer and a second region not overlapping the conductive metal layer, and the forming of the conductive capping layer includes etching the second region of the second conductive capping pattern to form the conductive capping layer.Type: GrantFiled: December 19, 2022Date of Patent: July 16, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Uoon Kim, Hong Sick Park, Jong Hyun Choung
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Patent number: 12034014Abstract: A display panel includes a base substrate, a bonding pattern, and a planarization layer pattern. The bonding pattern includes one or more conductive blocks. A bonding region is disposed on a surface, distal from the base substrate, of the conductive block. The planarization layer pattern is provided with an opening region and an occlusion region. An orthographic projection of the bonding region onto the base substrate is within an orthographic projection of the opening region onto the base substrate. The planarization layer pattern covers at least part of a side surface of the conductive block.Type: GrantFiled: September 29, 2020Date of Patent: July 9, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventor: Zhongliu Yang
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Patent number: 12027530Abstract: A transparent display device is disclosed, which may improve yield and reduce a tact time, and may reduce resistance of a power line. The transparent display device includes a substrate provided with a display area, in which a plurality of subpixels are disposed, and a non-display area adjacent to the display area. The device further includes first and second pads provided over the substrate, a first pixel power line extended between a pad area in which the first pad and the second pad are disposed and the display area in a first direction, a first common power line extended between the first pixel power line and the display area in the first direction, a first common power connection electrode electrically connecting the second pad with the first common power line, and a second common power connection electrode disposed in a layer different from the first common power connection electrode, electrically connecting the second pad with the first common power line.Type: GrantFiled: December 11, 2020Date of Patent: July 2, 2024Assignee: LG Display Co., Ltd.Inventors: KiSeob Shin, ChangSoo Kim, EuiTae Kim, Soyi Lee
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Patent number: 12022695Abstract: A display panel includes a base layer, a first thin film transistor disposed on the base layer and including a silicon semiconductor pattern, a first control electrode is spaced apart from the silicon semiconductor pattern. A first input electrode is connected to a first side of the silicon semiconductor pattern. A first output electrode is connected to a second side of the silicon semiconductor pattern. The display panel includes a second thin film transistor. An organic light emitting diode includes a first electrode connected to the first thin film transistor, a second electrode, and an emission layer. A first insulating layer includes openings exposing the first side and the second side of the silicon semiconductor pattern, respectively. The first input electrode and the first output electrode are positioned in the openings respectively.Type: GrantFiled: July 5, 2022Date of Patent: June 25, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yoonjee Shin, Kyunghyun Baek, Seokje Seong, Wooho Jeong, Yoon-jong Cho
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Patent number: 12020635Abstract: A display panel of a display device includes first and second pixel circuits disposed in a first row and connected to 0-th and second data lines, respectively, third and fourth pixel circuits disposed in a second row and connected to first and third data lines, respectively, a first light-emitting area connected to the first pixel circuit via a first connection wiring, a second light-emitting area at least partially overlapping the second pixel circuit and connected to the second pixel circuit, a third light-emitting area at least partially overlapping the third pixel circuit and connected to the third pixel circuit, and a fourth light-emitting area connected to the fourth pixel circuit via a second connection wiring.Type: GrantFiled: July 31, 2023Date of Patent: June 25, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jinyoung Roh, Hae-Kwan Seo, Bon-Seog Gu, Jaekeun Lim
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Patent number: 11974462Abstract: Disclosed are a display panel and a display device. The display panel includes a base substrate; a plurality of data signal lines on the base substrate, and a plurality of pixel units; and each pixel unit has a transparent area and a non-transparent area; the pixel unit includes a plurality of sub-pixels in the non-transparent area. All sub-pixels in the display panel are arranged in an array, each column of sub-pixels corresponds to a respective one of the data signal lines, and at least part of the data signal lines are arranged around the transparent areas.Type: GrantFiled: February 25, 2020Date of Patent: April 30, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Ling Wang, Yicheng Lin, Pan Xu, Guoying Wang, Guang Yan
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Patent number: 11974481Abstract: A display panel includes: a substrate including a main display area, a component area, and a peripheral area; a main sub-pixel and a main pixel circuit, the main sub-pixel being in the main display area on the substrate, and the main pixel circuit being connected to the main sub-pixel; a plurality of auxiliary sub-pixels in the component area on the substrate; a plurality of auxiliary pixel circuits in the peripheral area on the substrate; a plurality of connecting lines connecting the plurality of auxiliary sub-pixels to the plurality of auxiliary pixel circuits, respectively; and a dummy line extending in a direction in which the plurality of connecting lines extend in the component area.Type: GrantFiled: July 8, 2021Date of Patent: April 30, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sunyoung Jung, Hyunho Kim, Chungsock Choi, Gunhee Kim, Donghwan Shim, Sanghee Jang
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Patent number: 11949022Abstract: A method to fabricate a three dimensional memory structure may include creating a stack of layers including a conductive source layer, a first insulating layer, a select gate source layer, and a second insulating layer, and an array stack. A hole through the stack of layers may then be created using the conductive source layer as a stop-etch layer. The source material may have an etch rate no faster than 33% as fast as an etch rate of the insulating material for the etch process used to create the hole. A pillar of semiconductor material may then fill the hole, so that the pillar of semiconductor material is in electrical contact with the conductive source layer.Type: GrantFiled: February 23, 2022Date of Patent: April 2, 2024Assignee: Micron Technology, Inc.Inventors: Zhenyu Lu, Hongbin Zhu, Gordon A. Haller, Roger W. Lindsay, Andrew Bicksler, Brian J. Cleereman, Minsoo Lee
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Patent number: 11950457Abstract: A display device includes a first display area including a plurality of first pixel electrodes, and a second display area including a plurality of second pixel electrodes. A first pitch in a first direction of the plurality of first pixel electrodes is smaller than a second pitch in the first direction of the plurality of second pixel electrodes, and a length in the first direction of the first pixel electrodes is smaller than a length in the first direction of the second pixel electrode.Type: GrantFiled: June 17, 2022Date of Patent: April 2, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji-Hyun Ka, Tae Geun Kim, Gyeong-Im Lee
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Patent number: 11943974Abstract: A display panel includes: a substrate including a first area, a second area, and a third area; a stacked structure corresponding to a plurality of display elements in the second area, the stacked structure including a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode; and a plurality of grooves in the third area, wherein the stacked structure includes at least one organic material layer that is disconnected by the plurality of grooves, at least one groove of the plurality of grooves is defined in a first multi-layer including a first lower layer and a first upper layer, and at least one of the first lower layer and the first upper layer includes a plurality of sub-layers.Type: GrantFiled: February 17, 2022Date of Patent: March 26, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jongbaek Seon, Jaehak Lee, Juncheol Shin, Kyungchan Chae, Jieun Choi
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Patent number: 11942053Abstract: Disclosed are a display panel and a driving method therefor, and a display device. Two adjacent rows of sub-pixels are taken as a row group, and the row group is provided with a first sub row group and a second sub row group that are arranged in a column direction; a gate electrode of a first transistor in the first sub row group is electrically connected to a first gate line; a gate electrode of a second transistor in the second sub row group is electrically connected to a second gate line; two adjacent sub-pixels in the column direction share one third transistor, and a gate electrode of the third transistor in the row group is electrically connected to a third gate line; and the first transistor and the second transistor in one column of sub-pixels are electrically connected to a data line by means of the shared third transistor.Type: GrantFiled: February 20, 2020Date of Patent: March 26, 2024Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xianglei Qin, Jian Lin, Yong Zhang, Limin Zhang, Zepeng Sun, Zhichao Yang, Liangzhen Tang, Zhilong Duan, Honggui Jin, Yashuai An, Lingfang Nie, Jian Wang, Li Tian, Jing Pang, Xuechao Song
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Patent number: 11929358Abstract: Provided is a display backplate including an array substrate and a plurality of pairs of connection structures on the array substrate, wherein the array substrate includes a plurality of thin-film transistors and a common electrode signal line, wherein at least one of the plurality of thin-film transistors is connected to one of a pair of connection structures and the common electrode signal line is connected to the other of the pair of connection structures; and an area of a first section of the connection structure is negatively correlated with a distance between the first section and a surface of the array substrate, and the first section is parallel to the surface of the array substrate.Type: GrantFiled: April 21, 2023Date of Patent: March 12, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhiwei Liang, Wenqian Luo, Yingwei Liu, Ke Wang, Qi Yao, Huijuan Wang, Haixu Li, Zhanfeng Cao, Guangcai Yuan, Xue Dong, Guoqiang Wang, Zhijun Lv
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Display panel having first scan lines and second scan lines connected in parallel and display device
Patent number: 11921387Abstract: The present invention provides a display panel and a display device using the display panel. By connecting a plurality of second scan lines in parallel, resistance between output terminals of chips on film (COF) and first scan lines are reduced, and differences between output resistances of the COF corresponding to different first scan lines are reduced, so differences between signals in different first scan lines are reduced, and uneven display problems in existing display panels are solved.Type: GrantFiled: November 5, 2020Date of Patent: March 5, 2024Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Bangqing Xiao, Sen Xu -
Patent number: 11916081Abstract: The present invention provides a display panel, including a substrate, a dielectric layer, and a sensing electrode layer. Touch control traces are disposed in the dielectric layer. In the present invention, protrusions are disposed on left and right sides of a first linear part of the touch control traces. When the touch control traces are subjected to shear stress, diagonal directions of the protrusions on the left and right sides compensate for a deformation of the panel and buffer the stress on the touch control traces, reducing the stress on the touch control traces and preventing trace breakage.Type: GrantFiled: June 18, 2020Date of Patent: February 27, 2024Inventor: Xiaohui Nie
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Patent number: 11910689Abstract: A display device including a substrate having a display area and a peripheral area defined outside the display area, a circuit layer disposed on the substrate, a device layer disposed on the display area, an encapsulation layer covering the device layer, a touch sensing unit including at least one touch insulating layer disposed on the encapsulation layer, touch electrodes disposed on the encapsulation layer, and touch signal lines connected to the touch electrodes, a first section disposed in the peripheral area and including a first part having a first thickness, a second part having a second thickness less than the first thickness and overlapping the touch signal lines, and an intermediate part connecting the first part and the second part and being inclined, and a first thickening pattern overlapping at least the intermediate part.Type: GrantFiled: November 29, 2022Date of Patent: February 20, 2024Assignee: Samsung Display Co., Ltd.Inventors: Yong-hwan Park, Miyoung Kim, Jongseok Kim
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Patent number: 11910659Abstract: A display device is provided. A display device includes a non-display area where no image is displayed, and a display area where images are displayed, and including a first area and a second area having different light transmittances, and a first pixel and a second pixel, wherein a transistor and an anode electrode of the first pixel are in the first area, wherein an anode electrode of the second pixel is in the second area, and a transistor of the second pixel is outside the second area, wherein the anode electrode and the transistor of the second pixel are electrically connected by a connection line, and wherein at least a part of the connection line is in at least one of the first area and the second area, and is covered by an anti-reflection layer.Type: GrantFiled: August 26, 2021Date of Patent: February 20, 2024Assignee: Samsung Display Co., Ltd.Inventors: Gyung Min Baek, Ju Hyun Lee, Tae Wook Kang, Hyun Eok Shin
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Patent number: 11908870Abstract: A TFT array substrate includes a substrate layer and a metal layer disposed on the substrate layer. The metal layer includes a metal layer bridging structure having a first metal layer and a bridging second metal layer. An insulating layer is disposed between the first metal layer and the bridging second metal layer. The first metal layer includes two segments of a first segment and a second segment of the first metal layer, which are disposed at intervals. The first segment and the second segment of the first metal layer are connected by the bridging second metal layer. The TFT array substrate has a bending region adopting a new metal layer routing structure, and routing of the first metal layer in the bending region is prevented from passing through two holes of a filling layer (OILD), thereby effectively reducing the risk of subsequent breakage due to over-etching.Type: GrantFiled: October 22, 2019Date of Patent: February 20, 2024Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Xing Ming, Zhongtao Cao