In Active Matrix With Separate Dedicated Capacitor Line Patents (Class 349/39)
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Patent number: 12147137Abstract: An array substrate includes a base substrate, pixel electrodes and common electrodes, first scan lines, second scan lines and data lines. The pixel electrode has first electrode strips disposed at intervals in a row direction. The common electrodes and the pixel electrodes are disposed on the same layer, and the common electrodes have second electrode strips disposed at intervals. The second electrode strips and the first electrode strips are alternatively arranged. The first scan line is located between two adjacent rows of pixel electrodes. The second scan line is located between two adjacent columns of pixel electrodes and is electrically connected to the first scan line, and the second scan line has a scan signal input terminal. The data line has a data signal input terminal. An orthographic projection of the data line on the base substrate intersects with a central region of the pixel electrode on the base substrate.Type: GrantFiled: October 16, 2023Date of Patent: November 19, 2024Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO. , LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Maoxiu Zhou, Yanping Liao, Yingmeng Miao, Yuntian Zhang, Lei Guo, Ke Dai, Haipeng Yang, Zhihua Sun, Xibin Shao, Zhangtao Wang
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Patent number: 12117705Abstract: A liquid crystal display apparatus includes a TFT substrate including first and second gate bus lines, source bus lines, and pixels and a liquid crystal layer. The pixel includes a pixel electrode, a common electrode, an auxiliary electrode, and first to third TFTs. The gates of the first and second TFTs are connected to one of the first and second gate bus lines, and the drains are connected to the pixel electrode and the auxiliary electrode, respectively. The gate of the third TFT is connected to the other of the first and second gate bus lines, and the source and drain of the third TFT are connected to the pixel electrode and the auxiliary electrode, respectively. Gate signals are applied to the first and second gate bus lines so that the TFTs connected to the first and second gate bus lines are turned on at different points in time.Type: GrantFiled: October 9, 2023Date of Patent: October 15, 2024Assignee: Sharp Display Technology CorporationInventor: Masakatsu Tominaga
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Patent number: 12118956Abstract: The present application provides a display panel control method and a display module. A display voltage corresponding to corresponding pixel unit can be compensated for based on a difference between a first feed-through voltage generated by a pixel electrode when a first transistor is turned from on to off and a second feed-through voltage generated by a common electrode when a second transistor is turned from on to off, so as to improve the problem such as the flicker or the image sticking in the display picture due to the unevenness of the feed-through voltages.Type: GrantFiled: June 16, 2022Date of Patent: October 15, 2024Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Ruiming Huang
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Patent number: 12105922Abstract: The touch panel includes a base which has a black matrix thereon, and openings in the black matrix and spaced from each other, the touch panel is divided into first regions and second regions, a portion of a touch structure is arranged in a first part of the openings and in the first regions; a color filter layer is arranged in a second part of the openings and in the second regions; the first regions include first sub-regions and second sub-regions, first electrodes for forming the touch structure are arranged in the first sub-regions, and second electrodes for forming the touch structure are arranged in the second sub-regions; each first electrode include two electrode bodies and a bridge electrode connecting the two electrode bodies together; and an insulating layer is arranged in the first part of the openings and is made of a material of the color filter layer.Type: GrantFiled: August 1, 2023Date of Patent: October 1, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Guoyi Cui, Peng Hou, Yang Yang, Xiaoqi Ding, Huaisen Ren, Jie Li, Li Jia
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Patent number: 12035601Abstract: Provided is a display device including a display panel partitioned into a display region and a non-display region, and an input sensing unit including a sensing pad in a pad region overlapping the non-display region, a sensing electrode overlapping the display region, and a signal line electrically connecting the sensing pad and the sensing electrode, wherein the display panel has a spacer overlapping the non-display region, and defining an opening in which a first portion of the signal line is located, the first portion of the signal line having a greater width than a second portion adjacent thereto.Type: GrantFiled: September 1, 2022Date of Patent: July 9, 2024Assignee: Samsung Display Co., Ltd.Inventors: Eunyoung Kim, Wonkyu Kwak
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Patent number: 11921382Abstract: The liquid crystal display device includes an island-shaped first semiconductor film 102 which is formed over a base insulating film 101 and in which a source 102d, a channel forming region 102a, and a drain 102b are formed; a first electrode 102c which is formed of a material same as the first semiconductor film 102 to be the source 102d or the drain 102b and formed over the base insulating film 101; a second electrode 108 which is formed over the first electrode 102c and includes a first opening pattern 112; and a liquid crystal 110 which is provided over the second electrode 108.Type: GrantFiled: April 19, 2023Date of Patent: March 5, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Hajime Kimura
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Patent number: 11888073Abstract: A transistor with small parasitic capacitance can be provided. A transistor with high frequency characteristics can be provided. A semiconductor device including the transistor can be provided. Provided is a transistor including an oxide semiconductor, a first conductor, a second conductor, a third conductor, a first insulator, and a second insulator. The first conductor has a first region where the first conductor overlaps with the oxide semiconductor with the first insulator positioned therebetween; a second region where the first conductor overlaps with the second conductor with the first and second insulators positioned therebetween; and a third region where the first conductor overlaps with the third conductor with the first and second insulators positioned therebetween. The oxide semiconductor including a fourth region where the oxide semiconductor is in contact with the second conductor; and a fifth region where the oxide semiconductor is in contact with the third conductor.Type: GrantFiled: February 10, 2023Date of Patent: January 30, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Masayuki Sakakura
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Patent number: 11875726Abstract: A drive circuit for a display panel, including a generation module, an output module and a switch control module. The output module is in electric connection with the generation module and the switch control module. The output module is configured to output a generation signal to a gate driver according to a switch control signal. The output module is further configured to output a first clock signal and a second clock signal to the gate driver according to the switch control signal. The refresh rate of the display panel can be changed in real time, and the power consumption of the display panel having high refresh rate is reduced; meanwhile, the signals outputted by the output module can be continuous, so as to improve the display effect of the display panel and prolong the service life of the display panel.Type: GrantFiled: June 30, 2022Date of Patent: January 16, 2024Assignee: HKC CORPORATION LIMITEDInventors: Tingting Shen, Haijiang Yuan
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Patent number: 11841595Abstract: To suppress a variation in characteristics of a transistor due to a released gas from an organic insulating film so that reliability of a display device is increased. The display device includes a transistor, an organic insulating film which is provided over the transistor in order to reduce unevenness due to the transistor, and a capacitor over the organic insulating film. An entire surface of the organic insulating film is not covered with components (a transparent conductive layer and an inorganic insulating film) of the capacitor, and a released gas from the organic insulating film can be released to the outside from exposed part of an upper surface of the organic insulating film.Type: GrantFiled: December 21, 2022Date of Patent: December 12, 2023Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Masatoshi Yokoyama, Shigeki Komori, Manabu Sato, Kenichi Okazaki, Shunpei Yamazaki
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Patent number: 11829041Abstract: An array substrate includes a base substrate, pixel electrodes and common electrodes, first scan lines, second scan lines and data lines. The pixel electrode has first electrode strips disposed at intervals in a row direction. The common electrodes and the pixel electrodes are disposed on the same layer, and the common electrodes have second electrode strips disposed at intervals. The second electrode strips and the first electrode strips are alternatively arranged. The first scan line is located between two adjacent rows of pixel electrodes. The second scan line is located between two adjacent columns of pixel electrodes and is electrically connected to the first scan line, and the second scan line has a scan signal input terminal. The data line has a data signal input terminal. An orthographic projection of the data line on the base substrate intersects with a central region of the pixel electrode on the base substrate.Type: GrantFiled: September 7, 2020Date of Patent: November 28, 2023Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Maoxiu Zhou, Yanping Liao, Yingmeng Miao, Yuntian Zhang, Lei Guo, Ke Dai, Haipeng Yang, Zhihua Sun, Xibin Shao, Zhangtao Wang
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Patent number: 11815771Abstract: A display panel includes a first substrate and multiple pixel structures. The pixel structure includes at least one active element, at least one pixel electrode, a first common electrode, and a second common electrode. The at least one pixel electrode includes a first sub-electrode, a second sub-electrode, and a third sub-electrode. The first sub-electrode is electrically connected to one of the at least one corresponding active element and the second sub-electrode. The third sub-electrode is electrically connected to the second sub-electrode. The first sub-electrode, the second sub-electrode, and the third sub-electrode are different layers. The first common electrode is disposed between the first sub-electrode and the first substrate, and overlaps the first sub-electrode. The second common electrode is disposed between the first sub-electrode and the third sub-electrode, and overlaps the first sub-electrode and the third sub-electrode.Type: GrantFiled: October 13, 2022Date of Patent: November 14, 2023Assignee: HannStar Display CorporationInventors: Mu-Kai Kang, Cheng-Yen Yeh, Sz-Kai Huang, Jing-Xuan Chen, Yen-Chung Chen
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Patent number: 11793448Abstract: A detection device detecting changes in positive and negative feelings related to mild cognitive impairment is provided. This detection device includes: a detector detecting heartbeat information of a subject; a calculating unit calculating a maximum Lyapunov exponent from the heartbeat information, the maximum Lyapunov exponent indicating to what extent heartbeat intervals vary; a feeling determination unit determining whether the subject has a negative feeling with brain fatigue, anxiety or depression, or a positive feeling without brain fatigue, anxiety and depression, based on the maximum Lyapunov exponent; a change determination unit determining whether the positive or negative feeling of the subject has changed, based on frequency of occurrence of the negative or positive feeling in a predetermined period; and an output unit outputting a result of determination by the change determination unit.Type: GrantFiled: October 13, 2017Date of Patent: October 24, 2023Assignee: CITIZEN WATCH CO., LTD.Inventor: Hideki Shimizu
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Patent number: 11768413Abstract: Provided are an array substrate, a display panel, a display device, and a driving method. The array substrate includes a plurality of pixel circuit rows arranged in sequence in a column direction, where each pixel circuit row includes a plurality of pixel circuits arranged in a row direction; and a plurality of scan line groups arranged in sequence in the column direction, where the scan line groups are in one-to-one correspondence with the pixel circuit rows. The each pixel circuit row includes a plurality of pixel circuit groups. Each scan line group includes a plurality of scan lines. Each scan line extends in the row direction. The pixel circuit groups are in one-to-one correspondence with the scan lines in a scan line group corresponding to the pixel circuit groups.Type: GrantFiled: July 1, 2020Date of Patent: September 26, 2023Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Changzhi Wu, Ying Sun, Yumin Xu
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Patent number: 11769834Abstract: A display substrate including a base substrate, a first thin film transistor disposed on the base substrate and including a first gate electrode and a first semiconductor active layer; a second thin film transistor electrically connected to the first thin film transistor, the second thin film transistor including a second gate electrode and a second semiconductor active layer; and an organic light emitting device electrically connected to the second thin film transistor. The first semiconductor active layer includes a first material and the second semiconductor active layer includes a second material different from the first material.Type: GrantFiled: December 6, 2021Date of Patent: September 26, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jong Yun Kim, Taekyung Ahn, Youngdae Kim
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Patent number: 11754895Abstract: An electro-optical device includes a substrate, a pixel electrode disposed at the substrate, and a pixel circuit portion disposed between the substrate and the pixel electrode. The pixel circuit portion includes a scanning line disposed along a first direction, a data line disposed along a second direction intersecting the first direction, a first constant potential line disposed along the scanning line, a second constant potential line disposed along the data line, and a transistor disposed corresponding to an intersection position of the scanning line and the data line and including a gate electrode electrically coupled to the scanning line, a source region electrically coupled to the data line, and a drain region electrically coupled to the pixel electrode. The pixel circuit portion also includes a coupling portion disposed corresponding to the intersection position and configured to electrically couple the first constant potential line and the second constant potential line.Type: GrantFiled: April 26, 2022Date of Patent: September 12, 2023Assignee: SEIKO EPSON CORPORATIONInventor: Satoshi Ito
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Patent number: 11742359Abstract: An electronic device of an embodiment of the disclosure includes a first substrate, a second substrate, and a driving layer. The first substrate and the second substrate are disposed opposite to each other, and the driving layer is disposed between the first substrate and the second substrate. The driving layer includes a scan line and a data line. The scan line is disposed on the first substrate and includes a first scan line segment. The first scan line segment has an opening and includes a first branch and a second branch. The first branch and the second branch are located on two opposite sides of the opening and are electrically connected in parallel with each other. The data line is disposed on the first substrate and intersects with the scan line. The electronic device of the embodiment of the disclosure may exhibit ideal display effect.Type: GrantFiled: April 14, 2022Date of Patent: August 29, 2023Assignee: Innolux CorporationInventors: Hung-Kun Chen, Li-Wei Sung, Shuo-Ting Hong, Chung-Le Chen
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Patent number: 11703727Abstract: According to one embodiment, a display device includes a first line extending in a first direction, an insulating layer covering the first line, a second line disposed on the insulating layer and extending in a second direction, and a drive circuit including an output line extending in the first direction and connected to the first line through a contact portion. The contact portion includes a first portion to which the first line is connected at a first position, and a second portion to which the output line is connected at a second position which is apart from the first position in the second direction, the second portion facing the first portion with the insulating layer interposed therebetween while being electrically connected to the first portion.Type: GrantFiled: December 9, 2021Date of Patent: July 18, 2023Assignee: Japan Display Inc.Inventor: Akira Yokogawa
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Patent number: 11698561Abstract: According to one embodiment, a display device includes a switching element, a common electrode, an insulating film covering the common electrode, a first pixel electrode electrically connected to the switching element in a first contact hole penetrating the insulating film, and a transparent conductive film electrically connected to the common electrode in a second contact hole penetrating the insulating film. The first pixel electrode and the transparent conductive film are arranged in a first direction in a same layer. A size of the first contact hole and a size of the second contact hole are different from each other in planar view.Type: GrantFiled: September 14, 2022Date of Patent: July 11, 2023Assignee: Japan Display Inc.Inventor: Hideki Shiina
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Patent number: 11694648Abstract: A display device capable of performing image processing is provided. A memory node is provided in each pixel included in the display device. An intended correction data is held in the memory node. The correction data is calculated by an external device and written into each pixel. The correction data is added to image data by capacitive coupling, and the resulting data is supplied to a display element. Thus, the display element can display a corrected image. The correction enables image upconversion, for example.Type: GrantFiled: April 5, 2022Date of Patent: July 4, 2023Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Susumu Kawashima, Koji Kusunoki, Kazunori Watanabe, Kouhei Toyotaka, Naoto Kusumoto, Shunpei Yamazaki
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Patent number: 11676973Abstract: A display device includes a substrate, a transistor, a first insulating layer, a transfer pad, a second insulating layer, and a pixel electrode. The transistor is disposed on the substrate and includes a drain. The first insulating layer is disposed on the transistor and includes a first contact hole. The transfer pad is disposed on the first insulating layer and contacts the drain through the first contact hole. The transfer pad is filled into a bottom of the first contact hole to form a first contact region. The second insulating layer is disposed on the transfer pad and includes a second contact hole. A bottom of the second contact hole exposes part of the transfer pad to form a second contact region. The pixel electrode is disposed on the second insulating layer and contacts the transfer pad through the second contact hole.Type: GrantFiled: May 4, 2021Date of Patent: June 13, 2023Assignee: Innolux CorporationInventors: Ming-Jou Tai, Chia-Hao Tsai
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Patent number: 11656507Abstract: A thin film transistor substrate comprises: a substrate; a scan line disposed on the substrate and extending along a first direction; a semiconductor layer disposed on the scan line; and a drain electrode disposed on the semiconductor layer and comprising an arc edge outside the scan line, wherein a part of the semiconductor layer extends along a second direction perpendicular to the first direction and the arc edge overlaps the part of the semiconductor layer.Type: GrantFiled: September 14, 2022Date of Patent: May 23, 2023Assignee: INNOLUX CORPORATIONInventors: Tsung-Han Tsai, Hsia-Ching Chu, Mei-Chun Shih
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Patent number: 11646325Abstract: The present disclosure discloses a pixel structure, an array substrate and a display panel. The pixel structure includes a first data line; a first gate line and a second gate line; a first pixel unit and a second pixel unit. The first pixel units and second pixel units arranged along a second direction; a first pixel electrode relative to the second pixel electrode is close to the first data line, a first thin film transistor and second thin film transistors are arranged close to the first data line; first connecting trace is set between the first drain electrode and the first pixel electrode, a second connecting trace is set between the second drain electrode and the second pixel electrode to make a capacitance of the first pixel unit matching with a capacitance of the second pixel unit.Type: GrantFiled: March 19, 2021Date of Patent: May 9, 2023Assignee: HKC CORPORATION LIMITEDInventors: Hung-chun Lin, Tienhao Chang, Yunqin Hu, Hongyan Chang, Ming hung Shih, Cheng-hung Chen, Wei Li
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Patent number: 11644720Abstract: The liquid crystal display device includes an island-shaped first semiconductor film 102 which is formed over a base insulating film 101 and in which a source 102d, a channel forming region 102a, and a drain 102b are formed; a first electrode 102c which is formed of a material same as the first semiconductor film 102 to be the source 102d or the drain 102b and formed over the base insulating film 101; a second electrode 108 which is formed over the first electrode 102c and includes a first opening pattern 112; and a liquid crystal 110 which is provided over the second electrode 108.Type: GrantFiled: September 2, 2022Date of Patent: May 9, 2023Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Hajime Kimura
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Patent number: 11614665Abstract: According to one embodiment, a display device includes a first substrate, a second substrate opposed to the first substrate, and a liquid crystal layer provided between the first substrate and the second substrate. The first substrate includes a first signal line and a second signal line and being adjacent to each other in a first direction, a first scanning line and a second scanning line and being adjacent to each other in a second direction intersecting the first direction, a semiconductor layer connected to the first signal line and the first scanning line, a first transparent electrode in contact with the semiconductor layer, an organic insulating layer including a contact hole, and a second transparent electrode in contact with the first transparent electrode.Type: GrantFiled: January 27, 2021Date of Patent: March 28, 2023Assignee: Japan Display Inc.Inventor: Osamu Itou
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Patent number: 11568785Abstract: Disclosed is a display device for increasing an aperture ratio of a transmissive part. The display device includes data lines overlapping with one or more of the pixels emitting light to display an image. Each pixel includes subpixels arranged within the pixel along a same direction as the data lines. The display device further includes transmissive parts arranged in the first direction and corresponding to adjacent pixels. In addition to the data lines overlapping the pixels, the display device may include power lines and reference voltage lines parallel with the data lines and overlapping with the pixels. The display device may include scan lines and sensing lines arranged to cross the transmissive parts and data lines. As a result, the number of lines crossing the transmissive parts is reduced, thereby increasing an aperture ratio of the transmissive parts.Type: GrantFiled: February 22, 2022Date of Patent: January 31, 2023Assignee: LG Display Co., Ltd.Inventors: Jeong Hyeon Choi, Binn Kim, Joon Soo Han
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Patent number: 11545069Abstract: A display panel is provided. The display panel includes at least one transistor of a split structure. The transistor of the split structure comprises a control electrode, a first electrode and a second electrode; the first electrode comprises N first electrode portions, the second electrode comprises N second electrode portions, and N is an integer greater than 2; the N first electrode portions are electrically coupled, and the N second electrode portions are electrically coupled; the display panel has a plurality of transistor regions arranged at intervals, an n-th first electrode portion and an n-th second electrode portion are located in a same transistor region, an m-th first electrode portion and an (m+1)-th first electrode portion are respectively located in two adjacent transistor regions, n and in are an positive integers, n is less than or equal to N, and in is less than or equal to N?1.Type: GrantFiled: October 18, 2019Date of Patent: January 3, 2023Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Xiaoyuan Wang, Yan Fang, Wu Wang, Guangdi Cao, Wenlong Feng
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Patent number: 11526061Abstract: A light modulating liquid crystal cell, a display panel, and a display device are provided. The light modulating liquid crystal cell has a light-exiting area and a non-light-exiting area surrounding the light-exiting area and includes first pixels located in the light-exiting area. Each first pixel includes first sub-pixels, and each first sub-pixels includes a first transistor. The first sub-pixels include at least two first sub-pixels arranged in a first direction and at least two first sub-pixels arranged in a second direction, and the first direction intersects the second direction. In the first sub-pixels of one first pixel, gate electrodes of the first transistors are electrically connected to a same first scanning line, and source electrodes of the first transistors are electrically connected to a same first data line.Type: GrantFiled: December 30, 2020Date of Patent: December 13, 2022Assignee: Tianma Micro-Electronics Co., Ltd.Inventors: Cheng Qian, Xu Jiang, Kaihong Huang, Mingji Xu
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Patent number: 11526062Abstract: A display device includes a display substrate, a plurality of source drive circuit elements, gate drive circuits, and a plurality of gate connection lines. The plurality of gate connection lines pass through inter-element regions between the source drive circuit elements in plan view, and pass through mounting regions. Gate terminals connected to the gate connection lines are formed at positions facing the inter-element regions in a direction from the inter-element regions toward an FPC (Y2 direction).Type: GrantFiled: April 4, 2022Date of Patent: December 13, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Yoshihiro Asai, Isao Ogasawara
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Patent number: 11522090Abstract: The present disclosure provides a flat panel detection substrate, a fabricating method thereof and a flat panel detector. The flat panel detection substrate according to the present disclosure includes a base substrate; a bias electrode and a sense electrode on the base substrate; and a semiconductor layer over the bias electrode and the sense electrode, the semiconductor layer having a thickness greater than 100 nm.Type: GrantFiled: December 16, 2019Date of Patent: December 6, 2022Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Kui Liang, Xiaohui Liu, Hu Meng, Dali Liu, Liye Duan, Chiachiang Lin
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Patent number: 11474400Abstract: A display device is disclosed, which includes: a substrate; a scan line disposed on the substrate; a drain electrode, disposed on the substrate and including an arc edge; a first transparent conductive layer disposed on the substrate; and a second transparent conductive layer disposed between the substrate and the first transparent conductive layer, wherein the arc edge is located outside the scan line, and the arc edge is not overlapped with the second transparent conductive layer.Type: GrantFiled: August 21, 2020Date of Patent: October 18, 2022Assignee: REXON INDUSTRIAL CORP., LTD.Inventors: Tsung-Han Tsai, Hsia-Ching Chu, Mei-Chun Shih
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Patent number: 11404469Abstract: A flat panel detector is provided, which includes a substrate and a plurality of photodiodes on the substrate. The flat panel detector further includes a first transparent conductive layer disposed on a side of the photodiodes away from the substrate. An orthographic projection of the first transparent conductive layer on the substrate at least partially overlaps the orthographic projection of each photodiode of the plurality of photodiodes on the substrate. The flat panel detector can mitigate or reduce the influence of external static electricity and improve the working stability.Type: GrantFiled: April 24, 2019Date of Patent: August 2, 2022Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yong Zhang, Gang Hua, Yanna Xue, Jian Lin, Zhiying Bao, Lei Mi, Lu Bai, Haobo Fang, Jingpeng Wang, Limin Zhang
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Patent number: 11392002Abstract: An array substrate includes a base substrate; a data line and a common electrode line on the base substrate; and a first gate line and a second gate line on the base substrate, wherein both the first gate line and the second gate line cross both the data line and the common electrode line to define a sub-pixel. The sub-pixel includes: a pixel electrode; a common electrode; and an insulating layer between the pixel electrode and the common electrode. The common electrode includes a plurality of slits, and the slits extend in the same direction as the data line. The slits include a first slit close to the data line, the pixel electrode includes a first side surface close to the data line, and an orthographic projection of the first side surface on the base substrate is located within an orthographic projection of the first slit on the base substrate.Type: GrantFiled: August 27, 2019Date of Patent: July 19, 2022Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaoyuan Wang, Wu Wang, Yan Fang, Ruilin Bi, Yajie Bai, Yujie Gao, Seungmin Lee
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Patent number: 11373594Abstract: A display apparatus includes pixels two-dimensionally arranged. Each of the pixels includes a light-emitting element, a capacitor which retains a voltage of a data signal, a drive transistor which feeds a current according to the voltage of the data signal to the light-emitting element, a first write transistor connected between a data signal line and a gate electrode of the drive transistor, a second write transistor connected between the first write transistor and a gate electrode of the drive transistor, and a counter transistor including a source electrode and a drain electrode, one of the source electrode and the drain electrode being connected between the first write transistor and the second write transistor. The other of the source electrode and the drain electrode of the counter transistor is connected to a counter voltage line which feeds a counter voltage.Type: GrantFiled: April 16, 2021Date of Patent: June 28, 2022Assignee: JOLED INC.Inventor: Masanori Ohara
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Patent number: 11374077Abstract: A light emitting device includes a transistor, a light reflection layer, a first insulation layer that includes a first layer thickness part, a second layer thickness part, and a third layer thickness part, a pixel electrode that is provided on the first insulation layer, a second insulation layer that covers a peripheral section of the pixel electrode, a light emission functional layer, a facing electrode, and a conductive layer that is provided on the first layer thickness part. The pixel electrode includes a first pixel electrode which is provided in the first layer thickness part, a second pixel electrode which is provided in the second layer thickness part, and a third pixel electrode which is provided in the third layer thickness part. The first pixel electrode, the second pixel electrode, and the third pixel electrode are connected to the transistor through the conductive layer.Type: GrantFiled: June 3, 2020Date of Patent: June 28, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Takeshi Koshihara, Ryoichi Nozawa
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Patent number: 11340500Abstract: A liquid crystal display device, comprising: a first substrate; a second substrate disposed opposite to the first substrate; a liquid crystal layer; and a spacer, wherein the first substrate includes a first pixel row, a second pixel row, a first source line and a second source line that extend in the second direction, a first gate line that extends in the first direction between the first pixel row and the second pixel row, a first thin film transistor to which the first source line, and the first gate line are electrically connected, and a second thin film transistor to which the second source line, and the first gate line are electrically connected, and the spacer is disposed so as to overlap with at least a portion of the first thin film transistor and at least a portion of the second thin film transistor in plan view.Type: GrantFiled: January 29, 2020Date of Patent: May 24, 2022Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.Inventor: Teruhisa Nakagawa
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Patent number: 11329109Abstract: The present invention provides a display panel and a display device, the display panel has an array substrate, and the array substrate has a substrate, a first inorganic film layer, at least one auxiliary cathode, a second inorganic film layer, and at least one via hole. The via hole is arranged in at least two voltage drop regions that are arranged sequentially. The via hole in each of the voltage drop regions is distributed evenly. A first voltage drop region is disposed opposite to a center or a side edge of the substrate.Type: GrantFiled: December 16, 2019Date of Patent: May 10, 2022Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Zhibin Han
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Patent number: 11270630Abstract: The embodiments of the present disclosure provide a driving circuit, a driving method thereof and a display apparatus, and relates to the field of display technology. The driving circuit is configured to drive a to-be-driven element and includes a driving element. The driving element and the to-be-driven element are coupled in series between a first operating voltage terminal and a second operating voltage terminal. The driving element comprises a driving sub-circuit, a writing sub-circuit and a gray scale control sub-circuit. The writing sub-circuit writes a first data voltage provided by the first data signal terminal into the driving sub-circuit. The gray scale control sub-circuit transmits the first operating voltage provided by the first operating voltage terminal to the driving sub-circuit. The driving sub-circuit generates a drive current. The gray scale control sub-circuit also controls an on-state duration of the current path.Type: GrantFiled: June 28, 2019Date of Patent: March 8, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Minghua Xuan, Xiaochuan Chen, Han Yue, Ning Cong
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Patent number: 11249322Abstract: The problem of 3D panel display systems either (a) requiring special glasses to separate left and right viewing images, or (b) having auto-stereoscopic 3D with compromised fidelity, is solved by providing a projection three dimensional (3D) display system for providing glass-free, 3D display to a plurality of viewing volumetric pairs (VVAs) in space corresponding to a hypothetical plurality of viewers' eye aperture pairs, the projection 3D display system comprising: (a) a dual-image projector configured to project both a left viewing tri-color image and a right viewing tri-color image; and (b) means for (1) receiving a tri-color mixed input beam encompassing the left and right viewing tri-color images, (2) multiplying the tri-color mixed input beam into a plurality of tri-color mixed output beams, and (3) focusing the plurality of tri-color mixed beams for viewing at the VVAs.Type: GrantFiled: December 9, 2020Date of Patent: February 15, 2022Inventors: John C. Pokotylo, Jason Chen
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Patent number: 11221524Abstract: The present application discloses an array substrate, a display panel and a display device. The array substrate comprises: a plurality of data lines and a plurality of gate lines, a plurality of pixel units defined by the plurality of data lines and the plurality of gate lines, each pixel unit comprising a first pixel electrode, a second pixel electrode, and at least three thin film transistors, the pixel unit further comprising: a charge-discharge element, the charge-discharge element and a third thin film transistor in the at least three thin film transistors charging and discharging the pixel unit such that the pixel unit forms a first voltage region and a second voltage region with different voltages.Type: GrantFiled: March 29, 2019Date of Patent: January 11, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenbo Li, Xinyin Wu, Pan Li, Hongfei Cheng, Jianbo Xian
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Patent number: 11194202Abstract: A substrate for a display device includes image lines arranged in a first direction, scanning lines arranged in a second direction intersecting the first direction, pixel electrodes arranged in the first direction and the second direction, a first switching element, and a second switching element. Each of the pixel electrodes has an elongated shape extending in the first direction. The first switching element is connected to one of two scanning lines sandwiching the pixel electrodes, one of the pixel electrodes located at an even-numbered position from an end in the first direction, and one of the image lines adjacent to the even-numbered pixel electrode. The second switching element is connected to the other scanning line, one of the pixel electrodes located at an odd-numbered position from the end in the first direction, and one of the image lines adjacent to the odd-numbered pixel electrode.Type: GrantFiled: January 23, 2020Date of Patent: December 7, 2021Assignee: SHARP KABUSHIKI KAISHAInventor: Masakatsu Tominaga
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Patent number: 11177335Abstract: A display device includes a substrate including a display area and a peripheral area disposed outside of the display area. The display area includes a plurality of pixels. The display device further includes an inorganic insulating layer disposed in the display area. The inorganic insulating layer includes a groove disposed in a region between the plurality of pixels. The display device further includes an organic material layer filling the groove, a first connection wiring, and a second connection wiring. The first connection wiring is disposed on the organic material layer, overlaps the plurality of pixels, and extends in a second direction. The second connection wiring is insulated from the first connection wiring, and extends in a first direction that crosses the second direction.Type: GrantFiled: October 9, 2018Date of Patent: November 16, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Juchan Park, Sunho Kim, Younggug Seol, Sunhee Lee, Joosun Yoon, Jonghyuk Lee, Jonghyun Choi
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Patent number: 11143922Abstract: According to one embodiment, a display device includes a substrate, a switching element provided on the substrate and including a relay electrode, a first electrode provided further away from the substrate than the switching element, a first insulating film provided on the first electrode and having a first thickness, a second electrode provided on the first insulating film, a second insulating film provided on the second electrode and having a second thickness and a third electrode provided on the second insulating film and supplied with a same potential as that of the first electrode. The second thickness is greater than the first thickness.Type: GrantFiled: July 6, 2020Date of Patent: October 12, 2021Assignee: Japan Display Inc.Inventors: Yoshitaka Ozeki, Seiji Uejima, Nobutaka Ozaki
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Patent number: 11139322Abstract: A semiconductor device with high aperture ratio is provided. The semiconductor device includes a transistor and a capacitor having a pair of electrodes. An oxide semiconductor layer formed over the same insulating surface is used for a channel formation region of the transistor and one of the electrodes of the capacitor. The other electrode of the capacitor is a transparent conductive film. One electrode of the capacitor is electrically connected to a wiring formed over the insulating surface over which a source electrode or a drain electrode of the transistor is provided, and the other electrode of the capacitor is electrically connected to one of the source electrode and the drain electrode of the transistor.Type: GrantFiled: September 10, 2019Date of Patent: October 5, 2021Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Yuta Endo
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Patent number: 11048122Abstract: A liquid crystal display panel and a liquid crystal display device are provided. The liquid crystal display panel comprises a liquid crystal layer containing reactive monomers, a backlight layer disposed on a side of the liquid crystal layer and used to emit backlight to the liquid crystal layer, and a light conversion film layer disposed between the backlight layer and the liquid crystal layer and used to absorb ultraviolet light in the backlight. The present disclosure can improve the display quality of liquid crystal display panels by the above method.Type: GrantFiled: December 27, 2019Date of Patent: June 29, 2021Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Qian Li
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Patent number: 11018262Abstract: A field-effect transistor including: a gate electrode, which is configured to apply gate voltage; a source electrode and a drain electrode, which are configured to take electric current out; an active layer, which is disposed between the source electrode and the drain electrode and is formed of an oxide semiconductor; and a gate insulating layer, which is disposed between the gate electrode and the active layer, the source electrode and the drain electrode each including a metal region formed of a metal and an oxide region formed of one or more metal oxides, and a part of the oxide region in each of the source electrode and the drain electrode being in contact with the active layer, and rest of the oxide region being in contact with one or more components other than the active layer.Type: GrantFiled: July 14, 2017Date of Patent: May 25, 2021Assignee: Ricoh Company, Ltd.Inventors: Minehide Kusayanagi, Naoyuki Ueda, Yuki Nakamura, Yukiko Abe, Shinji Matsumoto, Yuji Sone, Ryoichi Saotome, Sadanori Arae
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Patent number: 10986329Abstract: Discussed is an autostereoscopic three-dimensional (3D) display including: a display panel having a plurality of pixels and an aperture area disposed at each pixel; a lens film disposed on a front surface of the display panel and having a plurality of lenticular lens, the lenticular lenses having a slanted angle and continuously arrayed in a lateral direction, and the aperture area having at least two sub-aperture areas; a central black strip disposed between two sub-aperture areas; and side black strips disposed at a left, side and a right side of the aperture area, respectively.Type: GrantFiled: June 30, 2017Date of Patent: April 20, 2021Assignee: LG DISPLAY CO., LTD.Inventors: Byungjoo Lee, Seounguk Heo, Juhoon Jang, Youyong Jin, Wonsik Lee
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Patent number: 10984757Abstract: To improve the display quality of a display device. To provide a method of correcting image data input to the display device. To provide a novel image correction method or an image correction system. Machine learning for a neural network correcting image data input to the display device is performed by the following method: second image data based on an image that is displayed on the display device by input of first image data to the display device is obtained; third image data is generated by obtaining a difference between the first image data and the second image data; fourth image data is generated by adding the first image data and the third image data; and a weight coefficient is updated so that output data obtained by input of the first image data to the neural network is close to the fourth image data.Type: GrantFiled: May 7, 2018Date of Patent: April 20, 2021Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Yuki Okamoto
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Patent number: 10964729Abstract: A liquid crystal display device with high aperture ratio is provided. The liquid crystal display device includes a first conductive layer, a second conductive layer, and a liquid crystal element where a liquid crystal layer is positioned between a third conductive layer and a fourth conductive layer. The first to fourth conductive layers transmit visible light and include a region where the first to fourth conductive layers overlap with each other. The second conductive layer is positioned between the first conductive layer and the third conductive layer. An insulating layer is positioned between the first conductive layer and the second conductive layer. An insulating layer is positioned between the second conductive layer and the third conductive layer. Therefore, two capacitors each including the second conductive layer as an electrode are stacked. The two capacitors transmit light and overlap with the liquid crystal element; thus, aperture ratio can be increased.Type: GrantFiled: March 3, 2020Date of Patent: March 30, 2021Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Hideaki Shishido
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Patent number: RE49048Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a scan line formed over a substrate, a data line formed over the substrate, and a driving voltage line configured to receive a driving voltage. The data line and driving voltage line cross the scan line and are electrically insulated from the scan line. A switching transistor is electrically connected to the scan line and the data line and includes a switching drain electrode. A driving transistor includes a driving source electrode electrically connected to the switching drain electrode and a driving gate electrode including a first storage electrode. A storage line includes a second storage electrode overlapping the first storage electrode. An OLED is electrically connected to the driving transistor, the second storage electrode including an extension at least partially overlapping the data line.Type: GrantFiled: October 1, 2019Date of Patent: April 19, 2022Assignee: Samsung Display Co., Ltd.Inventors: Seung-Kyu Lee, Chae Han Hyun, Mi Hae Kim, Myeong Hee Seo, Ki Myeong Eom, Ji-Eun Lee
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Patent number: RE49992Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a scan line formed over a substrate, a data line formed over the substrate, and a driving voltage line configured to receive a driving voltage. The data line and driving voltage line cross the scan line and are electrically insulated from the scan line. A switching transistor is electrically connected to the scan line and the data line and includes a switching drain electrode. A driving transistor includes a driving source electrode electrically connected to the switching drain electrode and a driving gate electrode including a first storage electrode. A storage line includes a second storage electrode overlapping the first storage electrode. An OLED is electrically connected to the driving transistor, the second storage electrode including an extension at least partially overlapping the data line.Type: GrantFiled: April 18, 2022Date of Patent: May 28, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung-Kyu Lee, Chae Han Hyun, Mi Hae Kim, Myeong Hee Seo, Ki Myeong Eom, Ji-Eun Lee