Interdigited (comb-shaped) Electrodes Patents (Class 349/141)
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Patent number: 12261177Abstract: A display device includes a substrate; at least one data line disposed on the substrate; a first pattern disposed on the substrate and spaced apart from the data line; a first insulating layer at least partially disposed on the data line and the first pattern; an active layer disposed on the first insulating layer and at least partially overlapping with the first pattern; a first gate insulating layer disposed on the active layer; and a first electrode disposed on the first gate insulating layer and overlapping with the active layer, wherein the first electrode does not overlap with the data line in a direction parallel to an upper surface of the first insulating layer.Type: GrantFiled: December 1, 2022Date of Patent: March 25, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Chul Shin, Hyun Sup Lee, Kang Young Lee, Gye Hwan Lim
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Patent number: 12255211Abstract: The present disclosure provides an array substrate and a manufacturing method thereof, and a display apparatus. The array substrate includes a plurality of gate lines (20) and a plurality of data lines (50) disposed on a base substrate (11), the plurality of gate lines (20) extend along a first direction, the plurality of data lines (50) extend in a second direction, the plurality of gate lines (20) and the plurality of data lines (50) are intersected to define a plurality of sub-pixels, the sub-pixel includes a thin film transistor (10), a pixel electrode (80) and a common electrode (90), the common electrode (90) in one sub-pixel is connected with the common electrode (90) in the adjacent sub-pixel through a common connection portion (110).Type: GrantFiled: October 15, 2021Date of Patent: March 18, 2025Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Min Cheng, Ke Dai, Haipeng Yang, Maoxiu Zhou, Jiaqing Liu, Xipeng Wang
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Patent number: 12248223Abstract: An electrode structure, a display panel, an electronic device are provided, the electrode structure includes a first electrode portion, a second electrode portion and a conductive connection portion, the first electrode portion includes a first connection bar having a first side and a second side and a plurality of first electrode strips, ends of adjacent first electrode strips away from the first connection bar are open; the second electrode portion includes a second connection bar at a position of the first side away from the second side and a plurality of second electrode strips, the second connection bar includes a third side and a fourth side; the second electrode strips are connected with the second connection bar, ends of adjacent second electrode strips away from the second connection bar are open; ends of the conductive connection portion are connected with the first connection bar and the second connection bar.Type: GrantFiled: July 1, 2024Date of Patent: March 11, 2025Assignees: WUHAN BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaoxiao Chen, Yang Hu, Chuang Chen, Yuanhui Guo, Peng Jiang, Xia Shi, Yujie Gao, Ning Zhu, Yun Li, Jiantao Liu
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Patent number: 12235545Abstract: An electronic device is provided. The electronic device includes: a first substrate structure and a second substrate structure. The first substrate structure has first overlapping region, first two protruding regions, a second overlapping region, second two protruding regions, and third two protruding regions. One of the first overlapping region and the second overlapping region is located between the third two protruding regions. The second substrate structure is disposed opposite to the first substrate structure and includes a main spacer and a sub spacer. The main spacer overlaps the first overlapping region of the first substrate structure. The sub spacer overlaps the second overlapping region of the first substrate structure. The first overlapping region is located between the first two protruding regions, and the second overlapping region is located between the second two protruding regions.Type: GrantFiled: August 21, 2023Date of Patent: February 25, 2025Assignee: Innolux CorporationInventors: Luca Hung, Lynn Kuo
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Patent number: 12238997Abstract: A display substrate and a display device are provided. The display substrate includes repeating units, each repeating unit includes one first color sub-pixel, one second color sub-pixel pair and one third color sub-pixel, the second color sub-pixel pair includes two second color sub-pixels. In each repeating unit, a distance, along the first direction, between a center of the third color sub-pixel and a center of the second color sub-pixel pair is a first distance; two adjacent repeating units located in a same repeating unit group include a first repeating unit and a second repeating unit, a distance between a center of a second color sub-pixel pair in a third repeating unit adjacent to both the first repeating unit and the second repeating unit and a center of a third color sub-pixel in the first repeating unit is a second distance, and the first distance is different from the second distance.Type: GrantFiled: March 19, 2020Date of Patent: February 25, 2025Assignees: Beijing BOE Technology Development Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.Inventors: Tinghua Shang, Yi Zhang, Tingliang Liu, Yang Zhou, Linhong Han, Pengfei Yu
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Patent number: 12222609Abstract: A display panel including a plurality of sub-pixel units disposed on a first base substrate is provided, wherein a size of an opening region of a first sub-pixel unit along a first direction is greater than that of a second sub-pixel unit; wherein at least one of the sub-pixel units includes a first electrode provided with at least one slit extending along the first direction, and an orthographic projection of the slit on the first base substrate is located within a range of an orthographic projection of the opening region of the sub-pixel unit on the first base substrate; and wherein a size of the slit in the first sub-pixel unit along a second direction intersecting the first direction is smaller than that in the second sub-pixel unit. A display device is further provided.Type: GrantFiled: December 30, 2021Date of Patent: February 11, 2025Assignees: NANJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventor: Guanglan Sun
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Patent number: 12197088Abstract: An array substrate includes a first electrode. The first electrode includes first, second, third and fourth side walls and first and second bottom walls. Ends of the third and fourth side walls are connected by the second bottom wall. A shortest distance d1 is from the first bottom wall to the second bottom wall. A distance d2 is from an end of the first side wall away from the second side wall to an end of the third side wall away from the fourth side wall. A distance d3 is from an end of the second side wall away from the first side wall to an end of the fourth side wall away from the third side wall, and d1<d2, d1<d3.Type: GrantFiled: February 10, 2022Date of Patent: January 14, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yunfei Wu, Yongkai Li, Cong Tan
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Patent number: 12181760Abstract: The present application discloses an array substrate and a liquid crystal display panel. In the array substrate and the liquid crystal display panel provided in the present application, a common electrode signal is transmitted to an auxiliary wire through a first signal lead wire and transmitted to a common electrode through a second signal lead wire by providing the first signal lead wire and the second signal lead wire. When the auxiliary wire is disconnected, the common electrode signal can be maintained through a plurality of paths.Type: GrantFiled: November 24, 2021Date of Patent: December 31, 2024Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Qian Liu
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Patent number: 12169603Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes: a plurality of gate lines extending in a first direction, and a plurality of data lines extending in a second direction and crossing the gate lines to define a plurality of sub-pixels; a plurality of touch signal lines extending in the second direction and arranged in light shielding regions of the sub-pixels; a plurality of touch electrodes insulated from each other; and a plurality of metal pattern units corresponding to the sub-pixels respectively and arranged in the light shielding region of each sub-pixel. The metal pattern unit includes a first metal strip arranged on at least one side of the data line and extending in the second direction.Type: GrantFiled: September 1, 2021Date of Patent: December 17, 2024Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiao Wang, Xiaofeng Yin, Weitao Chen, Yan Yan, Yu Ma
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Patent number: 12147134Abstract: The present disclosure provides an array substrate, a liquid crystal display panel and a liquid crystal display device, including: a base substrate; gate lines each extending in a first direction on the base substrate; data lines each extending in a second direction intersecting the first direction; pixel units located in regions defined by the gate lines and the data lines; each pixel unit has a first side and a second side each extending in the second direction and opposite to each other in the first direction; each pixel unit includes a first electrode including a plurality of strip-shaped electrodes, at least part of the strip-shaped electrodes each have a first part and a second part extending in different directions, first parts are connected at the first side, second parts are disconnected at the second side, and lengths of the first part and the second part are different.Type: GrantFiled: June 8, 2021Date of Patent: November 19, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Meina Yu, Zheng Fang, Hyunsic Choi, Pengxia Liang, Xiaochuan Chen, Hui Zhang, Liwei Liu, Changfeng Li, Fuqiang Li, Yuyao Wang, Ge Shi, Jiahui Han, Song Yang, Yujie Liu, Shiyu Zhang, Yanliu Sun
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Patent number: 12130520Abstract: A liquid crystal display device includes a substrate, and a pixel electrode disposed on the substrate, the pixel electrode including a first stem portion that extends in a first direction, a second stem portion that extends in a second direction crossing the first direction and intersecting with the first stem portion, a plurality of branch portions, the branch portions extending to the first direction and the second direction from the first stem portion or the second stem portion, a first connection portion that connects distal ends of some of the branch electrodes to each other, extends in the first direction and intersects with the second stem portion, and a first edge electrode that is connected to one distal end of the second stem portion and extends in the first direction.Type: GrantFiled: August 8, 2022Date of Patent: October 29, 2024Assignee: SAMSUNG DISPLAY CO. LTD.Inventors: Se Hyun Lee, Hak Sun Chang, Cheol Shin
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Patent number: 12117679Abstract: Provided is a liquid crystal display device that can switch between the privacy mode and the public mode and achieve a high contrast ratio even during display in the privacy mode. The liquid crystal display panel includes: a liquid crystal panel; and a control circuit. The active matrix substrate sequentially includes a first substrate, a first electrode, a first insulating layer, and second electrodes each including a first linear electrode. The color filter substrate includes a second substrate, a black matrix, a color filter layer, a third electrode, and a fourth electrode which is disposed between the black matrix and the third electrode and to which constant voltage is applied. The third electrode includes second linear electrodes and overlaps a portion of the black matrix in a plan view. The control circuit switches between application of driving voltage and application of constant voltage to the third electrode.Type: GrantFiled: January 13, 2023Date of Patent: October 15, 2024Assignee: Sharp Display Technology CorporationInventors: Koji Murata, Hiroshi Tsuchiya, Shinpei Higashida, Takahiro Sasaki, Takashi Satoh, Shinji Shimada
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Patent number: 12085825Abstract: According to one embodiment, a display device includes a first common electrode, a second common electrode spaced apart from the first common electrode, a first signal line overlapping the first common electrode and the second common electrode, a first metal line overlapping the first signal line and the first common electrode, and a second metal line overlapping the first signal line and the second common electrode and spaced apart from the first metal line. The first metal line includes an extension portion extending between the first common electrode and the second common electrode.Type: GrantFiled: July 11, 2023Date of Patent: September 10, 2024Assignee: Japan Display Inc.Inventor: Masateru Morimoto
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Patent number: 12078898Abstract: An electrode structure, a display panel, and an electronic device are provided, the electrode structure includes a first electrode portion, a second electrode portion and a conductive connection portion, the first electrode portion includes a first connection bar having a first side and a second side and a plurality of first electrode strips, ends of adjacent first electrode strips away from the first connection bar are open; the second electrode portion includes a second connection bar at a position of the first side away from the second side and a plurality of second electrode strips, the second connection bar includes a third side and a fourth side; the second electrode strips are connected with the second connection bar, ends of adjacent second electrode strips away from the second connection bar are open; ends of the conductive connection portion are connected with the first connection bar and the second connection bar.Type: GrantFiled: January 13, 2022Date of Patent: September 3, 2024Assignees: Wuhan BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaoxiao Chen, Yang Hu, Chuang Chen, Yuanhui Guo, Peng Jiang, Xia Shi, Yujie Gao, Ning Zhu, Yun Li, Jiantao Liu
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Patent number: 12072603Abstract: Certain exemplary embodiments can provide a system, machine, apparatus, device, manufacture, circuit, composition of matter, and/or user interface adapted for and/or resulting from, and/or a process, method, and/or machine-readable medium comprising machine-implementable instructions for, activities that can comprise and/or relate to, generating a gradient in an index of refraction of a material.Type: GrantFiled: November 14, 2022Date of Patent: August 27, 2024Assignees: e-Vision Smart Optics, Inc., Kent State UniversityInventors: Liwei Li, Anthony Van Heugten, Dwight P. Duston, Phil Bos, Douglas Bryant
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Patent number: 12066722Abstract: An array base plate and a display panel. The array base plate includes a substrate and a plurality of sub-pixels that are provided on the substrate and are arranged in an array; each of the sub-pixels includes a first slit electrode (1) and a second slit electrode (2) that are arranged in a first direction the first slit electrode (1) includes a plurality of first slits (11) that are arranged parallelly and separately, and the second slit electrode (2) includes a plurality of second slits (21) that are arranged parallelly and separately, and a direction of extension of the first slits (11) and a direction of extension of the second slits (21) are different; and the sub-pixel further includes a dark-region light shielding part (6) located over the first slit electrode (1) and the second slit electrode (2).Type: GrantFiled: June 17, 2021Date of Patent: August 20, 2024Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xueqiang Qian, Dongchuan Chen, Xinli Ma, Bingyang Liu, Tianyu Xu
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Patent number: 12055828Abstract: An array substrate includes a first substrate, a driver layer and a transparent electrode layer. The transparent electrode layer is provided at a side of the driver layer away from the first substrate in an insulating manner. The driver layer includes a data line. The transparent electrode layer includes a plurality of electric field generating patterns arranged in an array and an electric field shielding pattern located between adjacent two columns of electric field generating patterns. The electric field generating pattern includes a plurality of common electrode bars and a plurality of pixel electrode bars alternately arranged in a row direction and provided with a first gap therebetween. The electric field shielding pattern is spaced from the electric field generating pattern and is used for writing the same common potential as the common electrode bar. The electric field shielding pattern covers the data line.Type: GrantFiled: December 19, 2022Date of Patent: August 6, 2024Assignee: HKC CORPORATION LIMITEDInventors: Hong Hu, Baohong Kang
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Patent number: 12057456Abstract: An array substrate and a display panel are provided by the present application. The array substrate includes a substrate, a thin film transistor (TFT) driving layer, a color filter layer, and a common electrode layer. The TFT driving layer includes at least two metal lines. A color filter opening of the color filter layer is provided with at least two openings separated. At least two electrode lines of the common electrode layer are electrically connected with the metal wires through the at least two openings. The array substrate further includes a pad layer located between the substrate and the color filter layer, and an orthographic projection of an inner edge of the color filter opening on the substrate falls within an orthographic projection of the pad layer on the substrate.Type: GrantFiled: June 7, 2023Date of Patent: August 6, 2024Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Lei Huang, Shumin Tang, Liu Yang
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Patent number: 12050388Abstract: An array substrate, a display panel and a method of fabricating the array substrate are disclosed. The array substrate is applied to the display panel, and includes a substrate, multiple scan lines, multiple data lines, a color filter layer, and a planarization layer. The color filter layer at least includes a plurality of first color filters, at least one of which has a raised portion in a region adjacent to the respective data line, and a middle portion in a region away from the respective data line, where a thickness of the raised portion is greater than that of the middle portion. The planarization layer defines at least one first elongated groove corresponding to the raised portion and extending along an extending direction of the data lines. The pixel electrode branch and/or the common electrode branch disposed corresponding to the raised portion is disposed in the respective first elongated groove.Type: GrantFiled: December 12, 2022Date of Patent: July 30, 2024Assignee: HKC CORPORATION LIMITEDInventors: Hui Li, Baohong Kang
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Patent number: 12038660Abstract: An array substrate and a method of manufacturing the same are provided. The array substrate includes a substrate, a thin film transistor, a first passivation layer, an organic film layer, a common electrode, a second passivation layer and a pixel electrode layer. The organic film layer includes a first via. The common electrode covers the pixel area and includes a second via and a sloped wall surrounding the second via. The second via is connected with the first via, and a gap is located between the bottom edge of the sloped wall and the top edge of the first via. The second passivation layer includes a third via communicating with the second via. The pixel electrode layer is arranged on the second passivation layer and is connected with the second metal layer through the first via, the second via, and the third via.Type: GrantFiled: December 16, 2021Date of Patent: July 16, 2024Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Qian Liu
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Patent number: 12025895Abstract: A liquid crystal display device includes: a plurality of scan lines and signal lines on one of a pair of substrates arranged to be opposed to each other with a liquid crystal layer sandwiched therebetween, the scan lines and signal lines extending in different directions; and an orientation film, pixel electrode, insulating layer and common electrode, the orientation film being rubbed in a rubbing direction having a given inclination with respect to a pixel arrangement direction. The pixel electrode is partitioned by the scan lines and signal lines and has subpixels made up of first and second regions. The first region has a plurality of slit-shaped openings having a given inclination in a first direction with respect to the rubbing direction. The second region has a plurality of slit-shaped openings having a given inclination in a second direction with respect to the rubbing direction.Type: GrantFiled: May 3, 2023Date of Patent: July 2, 2024Assignee: Japan Display Inc.Inventors: Daisuke Ito, Hideyuki Omori
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Patent number: 11994780Abstract: According to one embodiment, a display device includes a first electrode, a second electrode, a first wiring electrically connected to the first electrode, a second wiring electrically connected to the second electrode, and a controller electrically connected to the first wiring and the second wiring, wherein the first electrode and the second electrode are located in a display area, the first electrode is connected to the first wiring in a position away from the controller than the second electrode, the second electrode is connected to the second wiring in a position closer to the controller than the first electrode, and a number of the first wiring being greater than a number of the second wiring.Type: GrantFiled: December 5, 2022Date of Patent: May 28, 2024Assignee: Japan Display Inc.Inventors: Naoyuki Obinata, Daichi Hosokawa, Masakatsu Kitani
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Patent number: 11966130Abstract: According to one embodiment, a semiconductor substrate including, a switching element, a first organic insulating film, first and second metal lines arranged in a first direction and extending in a second direction, and a metal electrode located between the first and second metal lines. The first organic insulating film includes first and second surfaces. The switching element is covered with the first surface. The first and second metal lines and the metal electrode are located on the second surface side. The first metal line includes a first portion extending in the second direction and a second portion having a width larger than a width of the first portion. The second portion includes arcuate first and second edge. The metal electrode has a polygonal shape having n corners or an elliptic shape where n is larger than four.Type: GrantFiled: December 16, 2022Date of Patent: April 23, 2024Assignee: JAPAN DISPLAY INC.Inventor: Gen Koide
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Patent number: 11967670Abstract: A display device includes a first pixel and a second pixel adjacent to each other in a first direction, first voltage wires disposed in the first pixel and the second pixel in a second direction, a second wire disposed along a boundary between the first pixel and the second pixel in the second direction, first electrodes disposed between the first voltage wires and the second wire in the first pixel an the second pixel, a second electrode disposed between and spaced apart from the first electrodes in the first pixel and the second pixel, and light-emitting elements disposed at each of the first pixel and the second pixel and disposed on the first electrodes and the second electrode, wherein the first voltage wires, the first electrodes, and the light-emitting elements are symmetric with respect to the second wire.Type: GrantFiled: February 17, 2021Date of Patent: April 23, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: An Na Ryu, Sung Hoon Kim, Sang Ho Park
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Patent number: 11953773Abstract: A display device is provided and includes first substrate; first line extending in first direction on first substrate; second line extending in a second direction crossing the first lines; pixel electrode on the first substrate; insulating film on the pixel electrode; common electrode on the insulating film, including a first electrode arranged in a second direction and a plurality of second electrodes connected to the first electrode; second substrate facing first substrate; liquid crystal layer provided between first and second substrates; and wherein, in plan view, pixel electrode is rectangular in shape, and in plan view, part of first electrode overlaps second line.Type: GrantFiled: May 10, 2023Date of Patent: April 9, 2024Assignee: Japan Display Inc.Inventor: Toshiharu Matsushima
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Patent number: 11940690Abstract: A display panel and a display device are provided. The display panel includes a first substrate, a second substrate, and a liquid crystal layer between the first substrate and the second substrate. The liquid crystal layer comprises a plurality of liquid crystal molecules. When the display panel is in a first display mode, the plurality of liquid crystal molecules rotate in a slanted plane parallel to a first direction and a second direction. The first direction is slanted with respect to a thickness direction of the display panel, and the second direction is perpendicular to the thickness direction of the display panel and the first direction.Type: GrantFiled: December 15, 2021Date of Patent: March 26, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wei Cheng, Rui He, Xindong Mei
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Patent number: 11927853Abstract: The embodiments of the present disclosure relate to the field of display technology, and in particular to a display substrate, a display panel, and a display device. The display substrate includes a first electrode, a first wire, and a second wire; the first electrode is provided with a plurality of slits; the first wire is provided on a side of the first electrode, and a first gap is provided between the first wire and the first electrode, and the first wire being electrically connected to the first electrode; a second wire provided on a side of the first electrode away from the first wire, and a second gap being provided between the second wire and the first electrode; wherein each of the slits is provided with a first end and a second end opposed to each other, and the first end is close to the first wire, and the second end is close to the second wire, and a light-transmitting part of the first end is larger than a light-transmitting part of the second end.Type: GrantFiled: April 3, 2020Date of Patent: March 12, 2024Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yunfei Liu, Wei Zhang, Jilei Gao, Bin Li, Benzhi Xu, Chao Li, Lu Niu, Qi Liu
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Patent number: 11929369Abstract: An electronic device includes a first substrate including a first surface and a first side-surface adjacent to the first surface, a second substrate including a second surface and a second side-surface adjacent to the second surface, a plurality of first conductive wires disposed on the first surface, a plurality of dam walls disposed on the first surface and located between any adjacent two of the first conductive wires respectively and a plurality of second conductive wires disposed on the first side-surface and the second side-surface. The plurality of first conductive wires are electrically connected to the plurality of second conductive wires respectively.Type: GrantFiled: January 6, 2021Date of Patent: March 12, 2024Assignee: InnoLux CorporationInventor: Shuhei Hosaka
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Patent number: 11923378Abstract: The present disclosure provides an electronic device including a substrate, a common electrode, and a plurality of pixels. The common electrode is disposed on the substrate. The pixels are disposed on the substrate, and at least one of the pixels includes a thin film transistor, a first electrode, a second electrode, and an auxiliary electrode. The first electrode is electrically connected to the thin film transistor. The auxiliary electrode is partially overlapped with the first electrode in a top view direction of the electronic device. The auxiliary electrode is electrically connected to the common electrode and electrically isolated from the first electrode, and the first electrode and the auxiliary electrode have a minimum distance less than a minimum distance between the first electrode and the common electrode.Type: GrantFiled: February 20, 2023Date of Patent: March 5, 2024Assignee: InnoLux CorporationInventors: Chi-Lun Kao, Ker-Yih Kao, Ming-Chun Tseng, Kung-Chen Kuo
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Patent number: 11917868Abstract: An organic light emitting diode (OLED) display device and a method of manufacturing thereof are provided. The organic light emitting diode display device includes a display area and a non-display area. The display area includes a pixel area and a photosensitive area disposed between the pixel areas. The photosensitive area includes a first thin film transistor. The pixel area includes a second thin film transistor, which the same type as the first thin film transistor. The non-display area includes a third thin film transistor, which is a different type from the first thin film transistor.Type: GrantFiled: August 12, 2020Date of Patent: February 27, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Xuyang Liu, Chao Liang
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Patent number: 11899320Abstract: The present disclosure provides an array substrate and a liquid crystal display panel, belonging to the file of display technology. The array substrate includes a base substrate, a first electrode, an insulating dielectric layer and a second electrode stacked in sequence; the second electrode is provided with at least one hollow hole, and the hollow hole is in a shape of convex polygon, circle or ellipse.Type: GrantFiled: January 29, 2021Date of Patent: February 13, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Hongpeng Li, Pengxia Liang, Zheng Fang, Ge Shi, Hyunsic Choi, Yanliu Sun, Jiahui Han, Song Yang, Yujie Liu
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Patent number: 11892736Abstract: An array substrate and a display panel are disclosed. A common electrode layer on the array substrate includes a common electrode trunk and multiple common electrode branches. A pixel electrode layer includes multiple interconnected pixel electrode branches, each of which includes a branch body and a branch end connected therewith. The branch end includes a first side opposite to the common electrode trunk to form a first gap, and a second side and a third side respectively disposed opposite to the corresponding common electrode branches to form a second gap and a third gap. A fourth gap is formed between the branch body and the common electrode branch. Of the first, the second and the third gaps, the width value corresponding to at least one gap is smaller than the width of the fourth gap.Type: GrantFiled: December 5, 2022Date of Patent: February 6, 2024Assignee: HKC CORPORATION LIMITEDInventors: Xinglong Zheng, Jiheng Feng
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Patent number: 11869978Abstract: To provide a liquid crystal display device suitable for a thin film transistor which uses an oxide semiconductor. In a liquid crystal display device which includes a thin film transistor including an oxide semiconductor layer, a film having a function of attenuating the intensity of transmitting visible light is used as an interlayer film which covers at least the oxide semiconductor layer. As the film having a function of attenuating the intensity of transmitting visible light, a coloring layer can be used and a light-transmitting chromatic color resin layer is preferably used. An interlayer film which includes a light-transmitting chromatic color resin layer and a light-blocking layer may be formed in order that the light-blocking layer is used as a film having a function of attenuating the intensity of transmitting visible light.Type: GrantFiled: April 15, 2021Date of Patent: January 9, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Tetsuji Ishitani, Daisuke Kubota
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Patent number: 11860485Abstract: According to an aspect, a liquid-crystal display device includes a first substrate, a second substrate, and a liquid-crystal layer. The first substrate includes a first electrode and a second electrode, and one of the first electrode and the second electrode is a pixel electrode provide, the first electrode includes an electrode base portion extending in a first direction and comb tooth portions extending in a second direction and protruding in a comb teeth shape from the electrode base portion with a predetermined distance interposed therebetween, and adjacent comb tooth portions include adjacent comb tooth portions having a relation in which a first long side of one comb tooth portion closest to a boundary between pixels is not parallel to a first long side of the other comb tooth portion.Type: GrantFiled: November 1, 2021Date of Patent: January 2, 2024Assignee: Japan Display Inc.Inventor: Toshiharu Matsushima
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Patent number: 11852928Abstract: A display device is provided and includes first and second substrates; a liquid crystal layer filled between the first and second substrates; a counter electrode pattern formed on the first substrate; scanning lines extending in a first direction; signal lines; and a first pixel electrode pattern and a second pixel electrode pattern formed on the first substrate, wherein the first pixel electrode pattern and the second pixel electrode pattern are located in line symmetry with respect to a first scanning line of the scanning lines.Type: GrantFiled: January 9, 2023Date of Patent: December 26, 2023Assignee: Japan Display Inc.Inventors: Yoshihiro Sakurai, Hironao Tanaka, Hidemasa Yamaguchi
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Patent number: 11846859Abstract: A display panel is disclosed, including a substrate, a first metal layer, a first insulation layer, an active layer, and a second metal layer stacked sequentially, wherein the first metal layer includes a first electrode, the second metal layer includes a second electrode, the first electrode and the second electrode are partially overlapped to form a first overlapping region, a plurality of pads are disposed between the first insulation layer and the second metal layer, and a part of the pads are at least located in the first overlapping region, to improve an anti-static ability of the first electrode and the second electrode on an overlapping location.Type: GrantFiled: July 26, 2021Date of Patent: December 19, 2023Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Feifei Xie, Mengyang Liu, Wuhui Wang
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Patent number: 11841588Abstract: According to one embodiment, a display device includes a first substrate with a first alignment film, a second substrate with a second alignment film, and a liquid crystal layer interposed therebetween. The first substrate has first and second electrodes. An initial alignment direction of liquid crystal molecules of the liquid crystal layer is parallel to a first direction or a direction orthogonal to the first direction. The second electrode includes comblike electrodes extending parallel to the first direction and a connecting portion which connects the comblike electrodes. The connecting portion includes a projection which projects in a second direction more than an outermost comblike electrode.Type: GrantFiled: March 6, 2023Date of Patent: December 12, 2023Assignee: Japan Display Inc.Inventor: Toshiharu Matsushima
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Patent number: 11815773Abstract: A display device has a frame region in a displaying region. The frame region includes a first scan line, and a first signal line and a second signal line adjacent to each other. The first signal line has a first wide section, and the first signal line intersects the first scan line at the first wide section in plan view. The first scan line has a second wide section. The second signal line has a pair of third wide sections, and the second signal line intersects the second wide section of the first scan line at the pair of third wide sections in plan view. The first wide section of the first signal line is opposite to the second signal line between the pair of third wide sections without being opposite to the pair of third wide sections.Type: GrantFiled: February 22, 2021Date of Patent: November 14, 2023Assignee: Japan Display Inc.Inventor: Hideki Shiina
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Patent number: 11818924Abstract: Provided is a flexible organic electroluminescent device and a method for fabricating the same. In the flexible electroluminescent device, line hole patterns are formed on surfaces of a plurality of inorganic layers positioned in a pad region in which a flexible printed circuit board is connected to prevent a path of cracks caused by repeated bending and spreading of the organic electroluminescent device from spreading to the interior of the device.Type: GrantFiled: October 7, 2021Date of Patent: November 14, 2023Assignee: LG Display Co., Ltd.Inventors: Su Ho Kim, Sang Bae Kim, Jun Tae Jeon, Yong Sam Lee
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Patent number: 11796868Abstract: A display panel has a display region including a first display region and a second display region. In an embodiment, the display panel includes sub-pixels located in the display region, an array substrate and the color filter substrate that are opposite to each other, and liquid crystal molecules located between the array substrate and the color filter substrate. In an embodiment, the sub-pixels include first sub-pixels located in the first display region and second sub-pixels located in the second display region. In an embodiment, in the second display region, some of the second sub-pixels are first-type sub-pixels. In an embodiment, the first-type sub-pixel includes a first electrode and a second electrode.Type: GrantFiled: July 1, 2021Date of Patent: October 24, 2023Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Hailiang Wang, Yaying Li, Wenhuan Zhang, Yan Yang, Ting Zhou, Junyi Li
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Patent number: 11789299Abstract: A driving substrate and a display panel are provided. The driving substrate includes a plurality of driving units. Each of driving unit includes a first metal layer. The first metal layer includes a shielding common electrode and a storage capacitance common electrode. A light-shielding portion of the shielding common electrode extends toward the storage capacitance common electrode. A pixel accommodating region is enclosed by the shielding common electrode and the storage capacitance common electrode. There is a gap between the light-shielding portion of the shielding common electrode and the storage capacitance common electrode.Type: GrantFiled: December 12, 2022Date of Patent: October 17, 2023Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventors: Zhengqin Lian, Yoonsung Um, Lixia Li, Chungching Hsieh
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Patent number: 11774814Abstract: According to one embodiment, a display device includes a plurality of detection electrodes, a first shield electrode and a second shield electrode. The plurality of detection electrodes are disposed in a peripheral area surrounding a display area configured to display an image. The first shield electrode is disposed on a first substrate and in at least the peripheral area, the first shield electrode having a predetermined fixed potential. The second shield electrode is disposed on a second substrate and in at least the peripheral area, the second shield electrode having the predetermined fixed potential. The first shield electrode and the second shield electrode are disposed, in a plan view, on a side of the display area with respect to each of the detection electrodes.Type: GrantFiled: November 8, 2021Date of Patent: October 3, 2023Assignee: Japan Display Inc.Inventors: Kaoru Ito, Akihiko Fujisawa
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Patent number: 11733575Abstract: A liquid crystal display device includes first and second substrates facing and spaced apart from each other; a liquid crystal layer between the first and second substrates; a thin film transistor in a subpixel on an inner surface of first substrate; a pixel electrode connected to the thin film transistor; a common electrode generating an electric field with the pixel electrode; a black matrix in a border portion of the subpixel on an inner surface of the second substrate, the black matrix including a metallic material, and a voltage applied to the black matrix; and a color filter layer in a center portion of the subpixel on the black matrix.Type: GrantFiled: September 3, 2021Date of Patent: August 22, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Ji-Hoon Yu, Hye-Ji Jeon, Kyoung-Seok Park, Key-Young Yang, Si-Hyun Kim, Hyun-Ho Park
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Patent number: 11710748Abstract: An array substrate, a touch panel and a manufacturing method of an array substrate are provided. The array substrate includes a base substrate and a plurality of gate lines, a plurality of data lines, a common electrode layer and a plurality of pixel units arranged in an array disposed on the base substrate. Each of the pixel units includes a plurality of sub-pixel units defined by gate lines and data lines disposed to intersect each other laterally and vertically. The common electrode layer includes a plurality of common electrode blocks that double as self-capacitance electrodes, each of the common electrode blocks is connected with at least one wire, and the wires are in the middle of sub-pixel units of a same column.Type: GrantFiled: September 17, 2021Date of Patent: July 25, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Haisheng Wang, Xue Dong, Hailin Xue, Xi Chen, Yingming Liu, Xiaoliang Ding, Weijie Zhao, Shengji Yang, Hongjuan Liu, Changfeng Li, Wei Liu
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Patent number: 11686960Abstract: An optical forming device includes a resin tank that holds a photocurable resin, a light source that emits light for curing the photocurable resin, and an optical modulator. The optical modulator includes a liquid crystal, a first substrate and a second substrate that sandwich the liquid crystal, and a first electrode and a second electrode that apply voltage to the liquid crystal. The optical modulator modulates, in a pattern based on the shape of a three-dimensional shaped object, light that causes the photocurable resin to cure, and irradiates the modulated light on the photocurable resin. The optical modulator includes a plurality of modulation regions including a first region and a second region that have mutually different voltage transmittance characteristics.Type: GrantFiled: October 8, 2021Date of Patent: June 27, 2023Assignee: TIANMA JAPAN, LTD.Inventor: Chikaaki Mizokuchi
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Patent number: 11681175Abstract: Display device is provided and includes first substrate; first and second lines; first electrode on first substrate; insulating film on first electrode; second electrode including connection electrode arranged in parallel with second lines and comb electrodes connected to the connection electrode; second substrate facing first substrate; liquid crystal layer provided between first and second substrates; and light shielding portion extending along extending direction of first lines, wherein in plain view, part of comb electrodes arranged at end of comb electrodes and part of first electrode overlaps with light shielding portion in the same area.Type: GrantFiled: March 21, 2022Date of Patent: June 20, 2023Assignee: Japan Display Inc.Inventor: Toshiharu Matsushima
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Patent number: 11675240Abstract: A liquid crystal display device includes: a plurality of scan lines and signal lines on one of a pair of substrates arranged to be opposed to each other with a liquid crystal layer sandwiched therebetween, the scan lines and signal lines extending in different directions; and an orientation film, pixel electrode, insulating layer and common electrode, the orientation film being rubbed in a rubbing direction having a given inclination with respect to a pixel arrangement direction. The pixel electrode is partitioned by the scan lines and signal lines and has subpixels made up of first and second regions. The first region has a plurality of slit-shaped openings having a given inclination in a first direction with respect to the rubbing direction. The second region has a plurality of slit-shaped openings having a given inclination in a second direction with respect to the rubbing direction.Type: GrantFiled: January 11, 2022Date of Patent: June 13, 2023Assignee: Japan Display Inc.Inventors: Daisuke Ito, Hideyuki Omori
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Patent number: 11664843Abstract: An electronic modulating device is provided. The electronic modulating device includes a substrate, a plurality of first electrodes, a plurality of second electrodes, and a plurality of second electrodes. The plurality of first electrodes are disposed on the substrate. The plurality of second electrodes are disposed on the substrate. The common electrode is disposed opposite to the plurality of first electrodes and the plurality of second electrodes, and includes a plurality of openings. The electronic modulating device modulates an electromagnetic wave of radio frequency in a range from 1 G Hz to 100 T Hz.Type: GrantFiled: November 11, 2021Date of Patent: May 30, 2023Assignee: INNOLUX CORPORATIONInventors: Tsung-Han Tsai, Kuan-Feng Lee
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Patent number: 11656552Abstract: A device having color resists pattern and method for manufacturing are disclosed. The device includes a substrate, at least two color resist layers. The at least color resist layers are formed on the curved and construct a visible pattern, wherein at a boundary of the color resist pattern, the at least two color resist layers form a ramp structure and each of the at least two color resist layers contacts the substrate; and the ramp structure is formed in sequential order by one exposure process, one removal process and one baking process of the at least two color resist layers.Type: GrantFiled: July 15, 2016Date of Patent: May 23, 2023Inventors: Ming-An Hsu, Wen-Fu Lin
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Patent number: 11644726Abstract: A display device includes two adjacent pixel electrodes spaced apart from each other by a gap extending in a first direction, at least one signal line extending in the first direction and having at least one protrusion at at least one side thereof, and two adjacent common electrode lines spaced apart from each other. The orthogonal projection of one/the other common electrode line on the substrate is located between the orthogonal projection of the signal line on the substrate and the orthogonal projection of one/the other pixel electrode on the substrate. Each common electrode line has a bend segment bending away from the signal line, wherein the protrusion of the at least one signal line positionally corresponds to the bend segment of each common electrode line, and the length of the protrusion is not larger than the length of the bend segment.Type: GrantFiled: March 24, 2022Date of Patent: May 9, 2023Assignee: Au Optronics CorporationInventors: Hung-Che Lin, Yi-Chu Wang, Chien-Huang Liao, Yi-Tse Lin, Fu-ming Yu