Insulating Layer Patents (Class 349/138)
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Patent number: 11809035Abstract: A color filter substrate, a display panel and a display device are provided. The color filter substrate includes: a base substrate; a color conversion layer on the base substrate; a covering layer on a side of the color conversion layer away from the base substrate; and a polarizing layer on a side of the covering layer away from the base substrate. The polarizing layer includes a wire grid polarizer. The covering layer includes a first covering sub-layer and a second covering sub-layer, the first covering sub-layer is located on the side of the color conversion layer away from the base substrate, the second covering sub-layer is located on a side of the first covering sub-layer away from the base substrate, and a material of the first covering sub-layer is different from a material of the second covering sub-layer.Type: GrantFiled: January 11, 2021Date of Patent: November 7, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ge Shi, Yujie Liu, Shi Shu, Wei Huang, Shiyu Zhang, Yuyao Wang, Yunsik Im, Xiaochuan Chen, Xue Dong, Ming Zhu, Song Yang
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Patent number: 11789304Abstract: A display device is provided and includes first display area in which first pixel is provided; second display area in which second pixel is provided, second display area provided next to first display area; light shield surrounding first and second display areas, light shield having first slit surrounding first display area and second slit surrounding second display area; first sealant surrounding first and second display areas; and second sealant located between first and second display areas, second sealant having at least one opening which communicates first and second display areas to each other; wherein first slit is provided along first and second sealants and second slit is provided along first and second sealants, and part of first and second slits are parallelly extended along opening between first and second display areas.Type: GrantFiled: December 7, 2022Date of Patent: October 17, 2023Assignee: Japan Display Inc.Inventor: Koichiro Adachi
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Patent number: 11774806Abstract: Liquid crystal display device is provided and includes first substrate having a first surface; second substrate having second surface opposed to and spaced from first surface; liquid crystal layer disposed between first and second surfaces, signal lines extending in parallel including first signal line; and spacers protruding from second surface to first surface, spacers including first spacer and second spacer adjacent to first spacer, wherein spacers overlap signal lines, first and second spacers overlap first signal line, and arrangement of spacers on one signal line is staggered, such that: center of first spacer shifts to right side of first signal line; and center of second spacer shifts to left side of first signal line.Type: GrantFiled: July 20, 2022Date of Patent: October 3, 2023Assignee: Japan Display Inc.Inventor: Morikazu Nomura
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Patent number: 11719983Abstract: The present disclosure provides a display panel, a manufacturing method thereof, and a display device. The display panel includes: a first medium and a first spacer wall between the first substrate and the second substrate, wherein the first sub-panel has filter pixels arranged at intervals, the first spacer wall is black and arranged along spaces between filter pixels, and a dielectric coefficient of the first spacer wall is greater than that of the first medium; and a second sub-panel on a light emergent side of the first sub-panel and including a second medium and a second spacer wall between the third substrate and the fourth substrate, wherein the second sub-panel has display pixels arranged at intervals, the second spacer wall is black and arranged along spaces between display pixels, and a dielectric coefficient of the second spacer wall is greater than that of the second medium.Type: GrantFiled: August 6, 2020Date of Patent: August 8, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yang Yue, Qi Yao, Yong Yu, Hua Huang, Tong Yang, Shi Shu, Chuanxiang Xu, Xue Jiang, Haitao Huang, Xiang Li, Zhao Cui
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Patent number: 11681188Abstract: An exemplary embodiment of the present inventive concept provides a display device including: a substrate; a metal layer disposed on the substrate; a pixel electrode disposed on the metal layer and including a protrusion overlapping the metal layer; a first insulating layer covering the metal layer and the pixel electrode; an extension of a drain electrode disposed on the first insulating layer and overlapping a portion of the protrusion; a second insulating layer covering the first insulating layer and the extension; and a pixel electrode connector disposed on the second insulating layer and overlapping the protrusion and the extension, wherein the first insulating layer and the second insulating layer include a first opening exposing an upper surface of the protrusion and an upper surface of the extension, and the pixel electrode connector contacts the upper surface of the extension and the upper surface of the protrusion through the first opening.Type: GrantFiled: April 24, 2020Date of Patent: June 20, 2023Assignee: Samsung Display Co., Ltd.Inventor: In Woo Kim
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Patent number: 11668982Abstract: In a liquid crystal display device, a common electrode is formed on an organic passivation film, an interlayer insulating film is formed on the common electrode, a pixel electrode with a slit is formed on the interlayer insulating film, and a through hole is formed in the organic passivation film and the interlayer insulating film, so that the pixel electrode is connected to a source electrode of a TFT through the through hole. Further, the taper angle around the upper base of the through hole is smaller than the taper angle around the lower base. Thus, the alignment film material can easily flow into the through hole when the dimeter of the through hole is reduced to connect the pixel and source electrodes, preventing display defects such as uneven brightness due to the absence of the alignment film or due to the alignment film irregularity around the through hole.Type: GrantFiled: September 16, 2022Date of Patent: June 6, 2023Assignee: Japan Display Inc.Inventors: Yasushi Tomioka, Yosuke Hyodo, Hidehiro Sonoda, Noboru Kunimatsu
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Patent number: 11664385Abstract: A display device includes a first transistor having an oxide semiconductor layer, a gate wiring opposite the oxide semiconductor layer, a gate insulating layer between the semiconductor layer and the gate wiring, a first insulating layer including at least one insulating layer having a first contact hole outside the gate wiring, a planarization film having a second contact hole overlapping the first contact hole, a first transparent conductive layer including an area overlapping the gate wiring, a second insulating layer covering a side of the second contact hole, a second transparent conductive layer in contact with the oxide semiconductor layer through the first and second contact hole, a first resin filling the first and second contact hole coated by the second transparent conductive layer, and a third transparent conductive layer on the second transparent conductive layer and the first resin.Type: GrantFiled: September 28, 2022Date of Patent: May 30, 2023Assignee: Japan Display Inc.Inventors: Yoshitaka Ozeki, Nobutaka Ozaki, Koshiro Moriguchi
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Patent number: 11662639Abstract: The present disclosure discloses a display panel and a display device. A part of the display panel corresponding to each pixel unit includes a pixel electrode layer, a first metal layer, a second metal layer, and a common electrode layer. The second metal layer includes a first data line and a second data line. The common electrode layer includes a common electrode, a main slot disposed on the common electrode, and a first slot and a second slot respectively located at different longitudinal positions. The first slot overlaps the first data line relative to the pixel electrode layer, and the second slot overlaps the second data line relative to the pixel electrode layer.Type: GrantFiled: September 3, 2021Date of Patent: May 30, 2023Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yi Liu
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Patent number: 11645995Abstract: An array substrate has a display area and a bonding region. The display area includes a distal region away from the bonding region. The array substrate includes a base, a common electrode located in the display area, and at least one first common signal line and at least one feedback signal line that are disposed on the base. The at least one first common signal line and the at least one feedback signal line are coupled to a portion of the common electrode located in the distal region, and extend to the bonding region to be coupled to a circuit board. A feedback signal line transmits a common voltage signal of the portion of the common electrode located in the distal region to the circuit board. A first common signal line transmits a first compensation common voltage signal to the portion of the common electrode located in the distal region.Type: GrantFiled: December 28, 2020Date of Patent: May 9, 2023Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiao Wang, Yan Yan, Yu Ma
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Patent number: 11643751Abstract: An apparatus and method is provided for coating a surface of a material with a film of porous coordination polymer. A first substrate having a first surface to be coated is positioned in a processing chamber such that the first surface is placed in a substantially opposing relationship to a second surface. In some embodiments, the second surface is provided by a wall of the processing chamber, and in other embodiments the second surface is provided by a second substrate to be coated. The first substrate is held such that a gap exists between the first and second surfaces, and the gap is filled with at least one reaction mixture comprising reagents sufficient to form the crystalline film on at least the first surface. A thin gap (e.g., having a thickness less than 2 mm) between the first and second surfaces is effective for producing a high quality film having a thickness less than 100 ?m.Type: GrantFiled: March 10, 2021Date of Patent: May 9, 2023Assignee: MATRIX SENSORS, INC.Inventors: David K Britt, Paul R Wilkinson, Steven Yamamoto
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Patent number: 11609450Abstract: An electro-optical device includes a first member having a translucent property, a second member having a translucent property and opposed to the first member with a space being disposed therebetween, and a plurality of pixel electrodes provided at an opposite side from the first member with respect to the second member. The first member includes a substrate body. The second member includes a transparent film. A plurality of lens surfaces having a protruding curved surface and each overlapping, in plan view, with corresponding one of the plurality of pixel electrodes are formed at a surface of the second member that is opposed to the first member. A pillar that extends through the space and is in contact with the first member and the second member is provided between the first member and the second member. The space can be formed by removing a sacrificial layer provided between the first member and the second member.Type: GrantFiled: April 6, 2021Date of Patent: March 21, 2023Assignee: SEIKO EPSON CORPORATIONInventor: Yohei Sugimoto
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Patent number: 11573471Abstract: The present application provides an array substrate and a liquid crystal display panel. The array substrate includes: a substrate including a display area and a light-transmitting functional area; a buffer layer disposed on the substrate and covering the display area and the light-transmitting functional area; a thin film transistor array layer disposed on the buffer layer, the thin film transistor array layer is provided with an aperture, and the aperture and the light-transmitting functional area are aligned with each other; and a support filling structure disposed in the aperture.Type: GrantFiled: August 21, 2019Date of Patent: February 7, 2023Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Wei Tang, Gaiping Lu
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Patent number: 11573447Abstract: A display device is provided and includes first display area including first pixel; second display area including second pixels and provided next to first display area; light shield surrounding first and second display areas separately, first slit provided in light shield, first sealant surrounding first and second display areas; and second sealant located between first and second display areas, wherein second sealant comprises at least one opening which communicates first and second display areas to each other, and first slit is provided along outer circumference of first display area and outer circumference of second display area, and overlaps base end of second sealant which is connected with first sealant.Type: GrantFiled: December 13, 2021Date of Patent: February 7, 2023Assignee: Japan Display Inc.Inventor: Koichiro Adachi
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Patent number: 11506924Abstract: A first organic insulating film is arranged in a circumference area outside an active area on a first substrate. A circumference color filter is arranged in the circumference area on a second substrate. A second organic insulating film covers the circumference color filter. A seal material is arranged between the first and second organic insulating films to attach the first substrate and the second substrate. The seal material extends up to a position in which end portions of the first and second substrates overlap. A first spacer is arranged between the first and second organic insulating films in the circumference area. The first spacer is arranged on an active area side in the seal material. A second spacer is formed between the first and second organic insulating films in a position in which the end portions of the substrates overlap.Type: GrantFiled: March 16, 2021Date of Patent: November 22, 2022Assignee: Japan Display Inc.Inventor: Ayumi Mori
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Patent number: 11495772Abstract: A display substrate including: a base substrate with a display region, an encapsulation region and an edge region on a periphery of the encapsulation region, the edge region includes a bonding region on at least one side of the base substrate; a plurality of stacked inorganic film layers on a side of the base substrate; a plurality of first grooves, at the edge region, spaced apart from each other in a direction distal from the encapsulation region, and extending along a periphery of the base substrate, at least one of the plurality of first groove runs through at least one inorganic film layer of the plurality of inorganic film layers, and a distance between each first groove and the display region is larger than that between each first groove and an edge of the base substrate; and an organic layer.Type: GrantFiled: June 14, 2019Date of Patent: November 8, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Zhiliang Jiang, Pan Zhao
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Patent number: 11480833Abstract: In a liquid crystal display device, a common electrode is formed on an organic passivation film, an interlayer insulating film is formed on the common electrode, a pixel electrode with a slit is formed on the interlayer insulating film, and a through hole is formed in the organic passivation film and the interlayer insulating film, so that the pixel electrode is connected to a source electrode of a TFT through the through hole. Further, the taper angle around the upper base of the through hole is smaller than the taper angle around the lower base. Thus, the alignment film material can easily flow into the through hole when the diameter of the through hole is reduced to connect the pixel and source electrodes, preventing display defects such as uneven brightness due to the absence of the alignment film or due to the alignment film irregularity around the through hole.Type: GrantFiled: September 15, 2021Date of Patent: October 25, 2022Assignee: Japan Display Inc.Inventors: Yasushi Tomioka, Yosuke Hyodo, Hidehiro Sonoda, Noboru Kunimatsu
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Patent number: 11476283Abstract: According to one embodiment, a display device includes a switching element including a drain electrode, a first insulating film including a first through-hole penetrated to the drain electrode, and being formed of an organic insulating material, a first connection electrode which is in contact with the drain electrode at the first through-hole, and is formed of a metal material, a second insulating film which is located on the first insulating film, is formed of an organic insulating material, and includes a second through-hole penetrated to the first connection electrode, and a pixel electrode electrically connected to the first connection electrode.Type: GrantFiled: September 16, 2020Date of Patent: October 18, 2022Assignee: Japan Display Inc.Inventors: Motoharu Miyamoto, Yoshinori Aoki
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Patent number: 11401467Abstract: The present invention relates to a display device using a two-dimensional phase transition material including: a substrate; a metal layer formed on the substrate; an insulation layer formed on the metal layer; a transparent electrode layer formed on the insulation layer; a light absorption layer formed on the transparent electrode layer and formed of a phase transition material; and a passivation layer formed on the light absorption layer, wherein the light absorption layer undergoes reversible phase transition depending on any of temperature, magnetic field and electric field.Type: GrantFiled: December 11, 2019Date of Patent: August 2, 2022Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Kyoungsik Yu, Jung Hoon Park, Yeonghoon Jin, Youngjae Jeong, Taewon Park
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Patent number: 11402698Abstract: According to one embodiment, a display device includes first to third scanning lines, first and a second protrusion portions disposed on the second scanning line and arranged in a first direction, third and seventh protrusion portions disposed on a side close to the third scanning line on the second scanning line, fourth and sixth protrusion portions disposed on a side close to the first scanning line on the second scanning line, and a fifth protrusion portion disposed between the first protrusion portion and the second protrusion portion. The third and sixth protrusion portions are arranged in the second direction, and the fourth and seventh protrusion portions are arranged in the second direction.Type: GrantFiled: March 18, 2021Date of Patent: August 2, 2022Assignee: Japan Display Inc.Inventor: Koichiro Adachi
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Patent number: 11392004Abstract: The manufacturing yield of a display device is improved. The resistance of a display device to ESD is increased. The display device includes a substrate, a display portion, a connection terminal, a first wiring, and a second wiring. The first wiring is electrically connected to the connection terminal and includes a portion positioned between the connection terminal and the display portion. The second wiring is electrically connected to the connection terminal, is positioned between the connection terminal and an end portion of the substrate, and includes a portion in which a side surface is exposed at an end portion of the substrate. The display portion includes a transistor. The transistor includes a semiconductor layer, a gate insulating layer, and a gate electrode. The semiconductor layer and the second wiring include a metal oxide.Type: GrantFiled: November 25, 2019Date of Patent: July 19, 2022Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Kenichi Okazaki, Yukinori Shima, Daisuke Kurosaki, Masataka Nakada
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Patent number: 11392001Abstract: The present invention provides a pixel structure and a liquid crystal display panel. The pixel structure includes a plurality of sub-pixels and a plurality of pixel electrodes, wherein a boundary of each of the sub-pixels has a hexagonal shape, each of the pixel electrodes includes at least three main electrodes disposed to intersect each other, all of the main electrodes intersect each other at an intersection, and the main electrodes define an area in each of the sub-pixels as a plurality of domains that are independent from each other.Type: GrantFiled: November 6, 2019Date of Patent: July 19, 2022Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Wu Cao
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Patent number: 11391995Abstract: A display device comprising: an array substrate; a counter substrate provided with color filters; and a liquid crystal layer between the array substrate and the counter substrate; wherein one surface of the array substrate includes a plurality of signal lines arranged side by side in a first direction with a gap interposed therebetween, a plurality of scanning lines arranged side by side in a second direction with a gap interposed therebetween, a first organic insulating film provided on the signal lines, and a second organic insulating film provided on the first organic insulating film; and each region surrounded by the corresponding scanning line and the corresponding signal line includes a semiconductor layer, a first contact conductive layer, a second contact conductive layer, and a first electrode.Type: GrantFiled: January 6, 2021Date of Patent: July 19, 2022Assignee: Japan Display Inc.Inventors: Motoharu Miyamoto, Tomokazu Ishikawa
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Patent number: 11294214Abstract: According to one embodiment, a display device includes a first substrate including an electrode, a second substrate overlaid on the first substrate, an optical sheet overlaid on the second substrate, a conductive member located between the second substrate and the optical sheet, and a connecting member making electric connection between the conductive member and the electrode. The first substrate includes a first region overlaid on the second substrate, and a second region extending more than the second substrate and including the electrode. The second substrate includes a substrate end portion located on a boundary between the first region and the second region and extending along a first direction. The connecting member is in contact with the electrode and the conductive member.Type: GrantFiled: January 12, 2021Date of Patent: April 5, 2022Assignee: JAPAN DISPLAY INC.Inventor: Yasushi Nakano
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Patent number: 11249567Abstract: A pad connection structure includes a substrate, a lower insulation layer formed on a top surface of the substrate, a pad electrode disposed on the lower insulation layer, and an upper insulation layer including an opening through which a top surface of the pad electrode. A step height via the opening is reduced by the lower insulation layer so that connecting reliability with a conductive connection structure is improved.Type: GrantFiled: November 29, 2018Date of Patent: February 15, 2022Assignee: DONGWOO FINE-CHEM CO., LTD.Inventors: Ju In Yoon, Jae Hyun Lee, Keon Kim
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Patent number: 11237434Abstract: A display panel includes a display area and a non-display area surrounding the display area; the display panel includes: a first substrate; a second substrate disposed opposite and spaced apart from the first substrate; a liquid crystal layer disposed between the first substrate and the second substrate; a seal (240) disposed between the first substrate (210) and the second substrate (220) and located in the non-display area (22); and a multi-function layer (250) disposed on the first substrate (210) and located in the non-display area (22); the multi-function layer (250) includes a support portion (252) embedded in the seal (240) and is in surface contact with the second substrate (220) so as to effect an electrical connection between the first substrate (210) and the second substrate (220).Type: GrantFiled: November 14, 2018Date of Patent: February 1, 2022Assignees: Chongqing HHC Optoelectronics Technology Co., Ltd, HKC Corporation LimitedInventor: Zhenli Song
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Patent number: 11226527Abstract: A display device according to an embodiment of the present inventive concept includes: a substrate including a first region and a second region; and a plurality of pixels disposed on the substrate, wherein the plurality of pixels each include a first data line and a second data line overlapping a pixel electrode, a first capacitance between the first data line and the pixel electrode is smaller than a second capacitance between the second data line and the pixel electrode in a pixel disposed in the first region, and the first capacitance between the first data line and the pixel electrode is larger than the second capacitance between the second data line and a pixel electrode in the pixel disposed in the second region.Type: GrantFiled: February 26, 2020Date of Patent: January 18, 2022Inventors: Gwon-Heon Ryu, Kwi Hyun Kim, Kook Hyun Choi, Woo Gun Kang, Kyung Won Park, Jin Su Lee
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Patent number: 11217703Abstract: A minute transistor is provided that includes a first insulator, a second insulator, a first, conductor, a second conductor, and third conductor, in which an angle is formed between a side surface of the first insulator and a top surface of the first conductor, and a length between the first conductor and a surface of the second conductor closest to the first conductor is at least greater than a length between the first conductor and the third conductor.Type: GrantFiled: June 18, 2020Date of Patent: January 4, 2022Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Satoshi Toriumi, Takashi Hamada, Tetsunori Maruyama, Yuki Imoto, Yuji Asano, Ryunosuke Honda, Shunpei Yamazaki
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Patent number: 11199738Abstract: According to one embodiment, a display device includes a first display area in which a first pixel is provided, a second display area provided next to the first display area, in which a second pixel is provided and a light shield surrounding the first display area and the second display area separately, and the light shield includes a first slit surrounding at least one of the first display area and the second display area.Type: GrantFiled: February 21, 2020Date of Patent: December 14, 2021Assignee: Japan Display Inc.Inventor: Koichiro Adachi
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Patent number: 11194189Abstract: Disclosed herein is a display apparatus. The display apparatus includes a display panel having a quantum dot color filter and an absorption type color filter disposed in front of the quantum dot color filter, a backlight unit configured to supply light to the display panel, and a quantum dot sheet disposed between the display panel and the backlight unit.Type: GrantFiled: August 30, 2018Date of Patent: December 7, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Kwan Sik Min
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Patent number: 11189641Abstract: An array substrate, a manufacturing method thereof, and a display apparatus are provided. The array substrate includes a display area and a non-display area in the periphery of the display area, the display area includes pixel regions, the display and non-display areas are provided with via holes, wherein each pixel region is provided, at a side facing a display side, with a reflection layer configured to reflect light irradiated thereon from an external light source to form a display image; and an anti-deterioration layer in contact with the reflection layer is provided in the via holes in the display and non-display areas. Thus, by using a new material, utilization of external light source is improved without additional masking process, and connection in via holes in the display area, and especially in the non-display area is achieved, which prevents deterioration of the via holes and poor contact resistance.Type: GrantFiled: July 5, 2018Date of Patent: November 30, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Shoukun Wang, Huibin Guo, Hao Han, Fangbin Fu, Yongzhi Song
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Patent number: 11187946Abstract: A display device includes: a display substrate including an upper surface, a lower surface facing the upper surface, and a side surface connected to the upper surface and the lower surface; a plurality of drivers disposed on the side surface of the display substrate; and a connection wiring film attached to the side surface of the display substrate, and electrically connecting the drivers.Type: GrantFiled: December 31, 2018Date of Patent: November 30, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Changsoo Lee, Byoungsun Na
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Patent number: 11175546Abstract: A liquid crystal display device comprising a TFT substrate having pixels each including a common electrode formed on an organic passivation film, an interlayer insulating film formed so as to cover the common electrode, a pixel electrode having a slit and formed on the interlayer insulating film, a through-hole formed in the organic passivation film and the interlayer insulating film, and a source electrode electrically conducted to the pixel electrode via the through-hole. A taper angle at a depth of D/2 of the through-hole is equal to or more than 50 degrees. The pixel electrode covers part of a side wall of the through-hole but does not cover the remaining part of the side wall of the through-hole. This configuration facilitates the alignment film material to flow into the through-hole, thereby solving a thickness unevenness of the alignment film in vicinity of the through-hole.Type: GrantFiled: November 23, 2020Date of Patent: November 16, 2021Assignee: Japan Display Inc.Inventors: Yasushi Tomioka, Toshimasa Ishigaki, Hidehiro Sonoda, Sumito Ueta
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Patent number: 11150521Abstract: The reliability of a spacer is improved in comparison to conventional ones. A light control film which is obtained by sandwiching a liquid crystal layer between first and second laminates that are provided with at least alignment layers and which controls light transmitted therethrough by controlling the alignment of liquid crystal molecules in the liquid crystal layer by driving electrodes that are provided on the first and second laminates. With respect to the first laminate, a base that is formed of a transparent film material is provided with a spacer that maintains the thickness of the liquid crystal layer. With respect to the first and second laminates, the Vickers hardness of the spacer is from 16.9 to 40.2 inclusive, and the Vickers hardness of a part of the second laminate, the part being in contact with the front end of the spacer, is from 11.8 to 35.9 inclusive.Type: GrantFiled: June 26, 2020Date of Patent: October 19, 2021Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Keisuke Miura, Yusuke Hagiwara, Tsubasa Honda, Noriko Katashima, Norio Ishii, Tomoya Kawashima
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Patent number: 11150523Abstract: In a liquid crystal display device, a common electrode is formed on an organic passivation film, an interlayer insulating film is formed on the common electrode, a pixel electrode with a slit is formed on the interlayer insulating film, and a through hole is formed in the organic passivation film and the interlayer insulating film, so that the pixel electrode is connected to a source electrode of a TFT through the through hole. Further, the taper angle around the upper base of the through hole is smaller than the taper angle around the lower base. Thus, the alignment film material can easily flow into the through hole when the diameter of the through hole is reduced to connect the pixel and source electrodes, preventing display defects such as uneven brightness due to the absence of the alignment film or due to the alignment film irregularity around the through hole.Type: GrantFiled: November 20, 2020Date of Patent: October 19, 2021Assignee: Japan Display Inc.Inventors: Yasushi Tomioka, Yosuke Hyodo, Hidehiro Sonoda, Noboru Kunimatsu
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Patent number: 11101447Abstract: An apparatus includes a substrate; a display panel on the substrate; and a protective film protecting one of the substrate and the display panel, wherein the protective film includes a first protective film and a second protective film, wherein the first protective film is disposed closer to the display panel than the second protective film, and wherein the first protective film includes a polymerizable compound having an adhesive strength that changes with energy irradiated onto the polymerizable compound.Type: GrantFiled: March 23, 2020Date of Patent: August 24, 2021Assignee: LG Display Co., LtdInventors: JungHan Kim, Wonjin Choi, GeeSung Chae
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Patent number: 11099419Abstract: The present disclosure relates to a display device that includes: a first conductor provided on a substrate; a first insulating layer provided on the first conductor; a second conductor provided on the first insulating layer; a second insulating layer provided on the second conductor; and a third conductor provided on the second insulating layer, wherein, the first conductor has a first edge and a second edge extending in different directions, the second conductor includes a first extension and a second extension extending in different directions, the first insulating layer and the second insulating layer collectively include a first opening provided on the first conductor and the second conductor, the third conductor is electrically connected to the first conductor and the second conductor through the first opening, the first extension extends parallel to the first edge, and the second extension extends parallel to and overlaps with the second edge.Type: GrantFiled: May 5, 2020Date of Patent: August 24, 2021Inventors: Eon-Young Kim, Jae Hong Kim, Nam-Wook Lee, Jang-Bog Ju
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Patent number: 11088181Abstract: The present application discloses a method of fabricating an array substrate. The method includes forming a first conductive material layer on a base substrate; forming an insulating layer on a side of the first conductive material layer distal to the base substrate, the insulating layer formed to cover a first part of the first conductive material layer, exposing a second part of the first conductive material layer; over-etching the first conductive material layer to remove the second part of the first conductive material layer, and remove a portion of a periphery of the first part of the first conductive material layer to form a recess between the insulating layer and the base substrate, thereby forming a first electrode; and subsequent to forming the first electrode and the recess, annealing the insulating layer to mobilize a portion of the insulating layer above the recess and fill the recess with a mobilized insulating material.Type: GrantFiled: January 10, 2018Date of Patent: August 10, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., Beijing BOE Display Technology Co., Ltd.Inventors: Lianjie Qu, Bingqiang Gui, Yonglian Qi, Guangdong Shi, Shuai Liu, Hebin Zhao
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Patent number: 11061292Abstract: A display panel includes a first base substrate, a second base substrate facing the first base substrate, an insulating structure including a non-pad portion having an end aligned with a side surface of the second base substrate and a pad portion having an end laterally recessed from the side surface of the second base substrate, a pixel overlapping a display area and disposed between the first and second base substrates, a signal line on the first base substrate and connected to the pixel, and a connection pad including a portion disposed in a connection region defined between the side surface of the second base substrate and the end of the pad portion. The signal line overlaps the pad portion. The connection pad is in contact with the signal line. The insulating structure is disposed between the first and second base substrates and overlaps a non-display area outside the display area.Type: GrantFiled: February 5, 2019Date of Patent: July 13, 2021Assignee: Samsung Display Co., Ltd.Inventors: Yangho Bae, Jinjoo Ha, Seungki Song, Chansol Yoo, Joonhyeong Kim, Yunseok Lee
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Patent number: 10978524Abstract: An electroluminescent display substrate and a manufacturing method thereof, a display panel and a display apparatus are disclosed. The electroluminescent display substrate includes: a base substrate including a display area and a peripheral area surrounding the display area, wherein at least one OLED device is in the display area; a pixel defining layer in the display area and the peripheral area; at least one groove in the pixel defining layer in the peripheral area; wherein the at least one OLED device has a first electrode, the first electrode is on a side of the pixel defining layer away from the base substrate and extends to cover the groove.Type: GrantFiled: May 22, 2018Date of Patent: April 13, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Cuili Gai, Yi Cheng Lin, Pan Xu, Baoxia Zhang, Quanhu Li, Ling Wang
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Patent number: 10962842Abstract: A liquid crystal display device is provided and including a first substrate having a first surface; a second substrate having a second surface that is opposed to and spaced from the first surface; and a liquid crystal layer and a plurality of spacers arranged between the first and second surfaces, the spacers each including a first spacer section having a first center in a first direction, the first spacer section protruding from the first surface into the liquid crystal layer, a second spacer section having a second center in the first direction, the second spacer section protruding from the second surface into the liquid crystal layer and opposed to and spaced from the first spacer section or being in contact with the first spacer section, wherein, in each of the spacers, the second center position is different from the first center position in the first direction.Type: GrantFiled: August 12, 2019Date of Patent: March 30, 2021Assignee: Japan Display Inc.Inventor: Morikazu Nomura
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Patent number: 10962822Abstract: An optical device may include an optical filter array comprising an array of bandpass filters, and a liquid-crystal (LC) panel comprising an array of LC regions. An aspect ratio of the LC panel may match an aspect ratio of the optical filter array such that each LC region, of the array of LC regions, is associated with a respective bandpass filter of the array of bandpass filters A LC region, of the array of LC regions, may selectively transmit light that is incident on the LC region.Type: GrantFiled: June 6, 2018Date of Patent: March 30, 2021Assignee: VIAVI Solutions Inc.Inventors: Valton Smith, William D. Houck
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Patent number: 10955710Abstract: A display panel includes a first scan line and a second scan line adjacent to the first scan line disposed on the first substrate. A common electrode line is adjacent to the first scan line or the second scan line. The common electrode line has an enlarged portion, and an extending direction of the common electrode line is substantially the same as an extending direction of the first scan line. A first data line and a second data line adjacent to the first data line are disposed on the first substrate. In a direction perpendicular to the extending direction of the common electrode line, the enlarged portion has a maximum width, a part of the common electrode line overlapping the first data line has a maximum width, and the maximum width of the enlarged portion is greater than the maximum width of the first data line.Type: GrantFiled: February 14, 2020Date of Patent: March 23, 2021Assignee: INNOLUX CORPORATIONInventors: Bo-Chin Tsuei, Hsia-Ching Chu, Ming-Chien Sun, Kuei-Ling Liu
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Patent number: 10942383Abstract: A display device includes: a liquid crystal panel having a first surface including a display region and a second surface opposite to the first surface, as curved surfaces curved in a first direction; a contact member attached to the second surface; a pressure member attached to the contact member, and applying a pressing force to the panel, the pressing force countering an elastic force acting to restore the panel as a flat plate; and a fixing chassis fixing the pressure member at a position opposing the contact member; the panel includes a seal tracing an inner circumference of the curved surface and sealing liquid crystal, and a contact region between the contact member and the panel is located inside the seal along a third axis being perpendicular to a first axis defining a non-curved side of the curved surface, and to a second axis defining the first direction.Type: GrantFiled: August 8, 2019Date of Patent: March 9, 2021Assignee: TIANMA JAPAN, LTD.Inventor: Tetsuroh Asakura
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Patent number: 10937993Abstract: An organic light-emitting diode display panel and a display device are provided. By disposing the electrode layer in each light transmissive area within the electronic-component display area as the transparent electrode layer, external light passes through the transparent electrode layer to reach the electronic component located below the display screen, and the electronic-component display area can be displayed normally without removing the display material above the electronic component, that is, the boring is not required, thereby solving the defect that the prior art requires boring, and realizing the full-screen.Type: GrantFiled: April 1, 2019Date of Patent: March 2, 2021Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY CO., LTD.Inventors: Rui Tang, Wenzhi Zhang
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Patent number: 10884542Abstract: A display device includes a first organic insulating layer covering video signal lines; a first metal layer provided above the first organic insulating layer; a first conductive layer provided above the first organic insulating layer and connected to a switching element via a first contact hole; a first inorganic insulating layer covering the first conductive layer and the first metal layer; a second conductive layer provided above the first inorganic insulating layer and connected to the first metal layer; a second inorganic insulating layer provided above the second conductive layer; a third conductive layer provided above the second inorganic insulating layer and connected to the first conductive layer via a second contact hole; and a fourth conductive layer provided above the second inorganic insulating layer, connected to the first metal layers via a third contact hole, and connected to the second conductive layer via a fourth contact hole.Type: GrantFiled: January 22, 2020Date of Patent: January 5, 2021Assignee: Japan Display Inc.Inventor: Yoshinori Aoki
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Patent number: 10877337Abstract: A liquid crystal display device comprising a TFT substrate having pixels each including a common electrode formed on an organic passivation film, an interlayer insulating film formed so as to cover the common electrode, a pixel electrode having a slit and formed on the interlayer insulating film, a through-hole formed in the organic passivation film and the interlayer insulating film, and a source electrode electrically conducted to the pixel electrode via the through-hole. A taper angle at a depth of D/2 of the through-hole is equal to or more than 50 degrees. The pixel electrode covers part of a side wall of the through-hole but does not cover the remaining part of the side wall of the through-hole. This configuration facilitates the alignment film material to flow into the through-hole, thereby solving a thickness unevenness of the alignment film in vicinity of the through-hole.Type: GrantFiled: February 11, 2019Date of Patent: December 29, 2020Assignee: Japan Display Inc.Inventors: Yasushi Tomioka, Toshimasa Ishigaki, Hidehiro Sonoda, Sumito Ueta
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Patent number: 10877325Abstract: In a liquid crystal display device, a common electrode is formed on an organic passivation film, an interlayer insulating film is formed on the common electrode, a pixel electrode with a slit is formed on the interlayer insulating film, and a through hole is formed in the organic passivation film and the interlayer insulating film, so that the pixel electrode is connected to a source electrode of a TFT through the through hole. Further, the taper angle around the upper base of the through hole is smaller than the taper angle around the lower base. Thus, the alignment film material can easily flow into the through hole when the diameter of the through hole is reduced to connect the pixel and source electrodes, preventing display defects such as uneven brightness due to the absence of the alignment film or due to the alignment film irregularity around the through hole.Type: GrantFiled: February 12, 2019Date of Patent: December 29, 2020Assignee: Japan Display Inc.Inventors: Yasushi Tomioka, Yosuke Hyodo, Hidehiro Sonoda, Noboru Kunimatsu
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Patent number: 10859881Abstract: The present invention provides an array substrate and a method of fabricating the same, wherein the array substrate includes a base substrate, a gate layer, a gate insulating layer, a source/drain layer, a first passivation layer, a color resist layer and a second passivation layer, wherein a passivation layer via hole is provided above the source/drain layer, and gas in the color resist layer releases from a surface of the color resist layer on a side of the passivation layer via hole. The invention realizes the purpose of completely discharging the gas in the color resist layer before a cell formation process.Type: GrantFiled: March 10, 2017Date of Patent: December 8, 2020Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Zhiguang Yi
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Patent number: 10845661Abstract: A liquid crystal display device comprises: a plurality of pixels arranged in a first direction and a second direction intersecting the first direction, the plurality of pixels including a first pixel, a second pixel, and a third pixel; a plurality of subpixel electrodes arranged in each of the plurality of pixels in the second direction; a plurality of source lines extending in the first direction and crossing a space between the plurality of subpixel electrodes and a space between the first pixel and the second pixel; a first gate lead line extending in the first direction and crossing a space between the first pixel and the second pixel; and a first gate line extending in the second direction, crossing a space between the first pixel and the third pixel, and is electrically connected to the first gate lead line.Type: GrantFiled: February 25, 2019Date of Patent: November 24, 2020Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventor: Teruhisa Nakagawa
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Patent number: 10838270Abstract: A liquid crystal display device includes additional common electrode patterns to shield data lines and common lines and, thus, to avoid undesired fringe fields. The liquid crystal display device prevents crosstalk and enhances visibility.Type: GrantFiled: December 9, 2019Date of Patent: November 17, 2020Assignee: LG Display Co., Ltd.Inventor: Jin-Sam Kim