Patents Examined by Angela K Davison
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Patent number: 11360341Abstract: A display device is provided and including first and second substrates, wherein the first substrate includes a first area, a second area overlapping the second substrate, a first edge extending in a first direction, a first terminal portion on the first area; the second substrate has a first protruding portion protruding toward the first edge of the first substrate and a second edge including a linear portion along the first edge and a curved portion connected to the linear portion and extending toward the first edge, the curved portion constitutes a part of a edge of the first protruding portion, and a width in the first direction of the first protruding portion gradually decreases toward the first edge.Type: GrantFiled: May 19, 2020Date of Patent: June 14, 2022Assignee: Japan Display Inc.Inventors: Koji Ishizaki, Hayato Kurasawa, Masanobu Ikeda
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Patent number: 11360356Abstract: A liquid crystal display device includes a first substrate and a second substrate facing each other; a thin film transistor in a pixel region on the first substrate; a first electrode on the thin film transistor; and a second electrode on the first electrode and connected to the thin film transistor, wherein the second electrode includes a first rib electrode and a second rib electrode, wherein the first rib electrode and the second rib electrode are connected by a connection electrode, wherein a vertical opening is between the first rib electrode and the second rib electrode and along a first direction, and wherein the connection electrode includes a hole at a region adjacent to the vertical opening.Type: GrantFiled: July 3, 2020Date of Patent: June 14, 2022Assignee: LG DISPLAY CO., LTD.Inventors: Won-Taeck Kim, Kyung-Su Ha
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Patent number: 11347092Abstract: A liquid crystal display device includes a thin film transistor (TFT) disposed on a substrate. The TFT is divided into pixel regions. Pixel electrodes are disposed in the pixel regions, respectively. The pixel electrodes are electrically connected with the TFT. A roof layer is disposed over the pixel electrodes. Fine spaces, which are spaced apart from each other, are each disposed between each of the pixel electrodes and the roof layer. The fine spaces include a first region and a second region that is below the first region. The second region includes a protrusion protruding in a direction substantially parallel to the substrate with respect to the first region. An alignment layer is disposed on an inner surface of each of the fine spaces. Liquid crystal molecules fill each of the fine spaces.Type: GrantFiled: May 1, 2020Date of Patent: May 31, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Boram Lee, Jiseong Yang, Taehwan Kim, Jonghwan Lee, Seokjoon Hong
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Patent number: 11347112Abstract: To improve the display quality of a display device, the display device includes a display section and a frame section surrounding a periphery of the display section. A substrate in the display device includes a conductor pattern constituting a circuit section and an insulating film serving as an organic film covering the conductor pattern. The insulating film extends to a peripheral edge of the substrate. A slit, which penetrates the insulating film in a thickness direction, is formed in a corner part of the insulating film. The slit is formed at a position not overlapping the circuit section.Type: GrantFiled: November 12, 2020Date of Patent: May 31, 2022Assignee: Japan Display Inc.Inventors: Koichi Igeta, Hirotaka Imayama
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Patent number: 11347119Abstract: An electronic device includes a screen module and a light collection functional module. The screen module includes a display member and an electrochromic member. The display member is provided with a light transmitting hole therein. The light collection functional module is arranged below the screen module and corresponds to the light transmitting hole in terms of positions. At least a part of the electrochromic member is fitted with the light transmitting hole to display a color or an image according to a preset state, which includes a light transmitting state and an auxiliary display state. When the electrochromic member is in the light transmitting state, the light collection functional module cooperates with the electrochromic member to obtain lights. When in the auxiliary display state, the electrochromic member shows a color or an image matched with the display member.Type: GrantFiled: November 28, 2019Date of Patent: May 31, 2022Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventors: Jing Gao, Shaoxing Hu
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Patent number: 11340503Abstract: According to one embodiment, a display device including a first substrate including a first electrode, a second electrode located above the first electrode and having potential different from the first electrode, and a third electrode located above the second electrode and electrically connected to the first electrode, a second substrate facing the first substrate, and a liquid crystal layer held between the first substrate and the second substrate, wherein at least one of the second electrode and the third electrode includes a first side, and a second side which faces the first side and is not parallel to the first side.Type: GrantFiled: January 18, 2018Date of Patent: May 24, 2022Assignee: Japan Display Inc.Inventors: Makoto Uchida, Takanori Tsunashima
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Patent number: 11333813Abstract: An optical film is an optical film in which a cholesteric liquid crystalline phase is fixed and a helical axis of the cholesteric liquid crystalline phase is aligned in an in-plane uniaxial direction, and an Nz is 0.2 to 0.75.Type: GrantFiled: October 9, 2019Date of Patent: May 17, 2022Assignee: FUJIFILM CorporationInventors: Yukito Saitoh, Kunihiro Atsumi, Teruki Niori, Shinichi Morishima
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Patent number: 11327369Abstract: An electro-optical device includes a first substrate including a layered body including a plurality of insulating layers, and a pixel electrode disposed at the layered body, a second substrate including a common electrode, an electro-optical layer disposed between the pixel electrode and the common electrode, the electro-optical layer having optical characteristics varying according to an electric field, a spacer coupled to the first substrate, the spacer defining a distance between the pixel electrode and the common electrode, in which the spacer has a first portion overlapping with the pixel electrode when viewed in a thickness direction of the first substrate, and a second portion not overlapping with the pixel electrode when viewed in the thickness direction.Type: GrantFiled: November 19, 2020Date of Patent: May 10, 2022Assignee: SEIKO EPSON CORPORATIONInventor: Satoshi Ito
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Patent number: 11307463Abstract: The liquid crystal display panel includes a first substrate, a second substrate, and a liquid crystal layer provided between the first substrate and the second substrate. The first substrate includes a first dielectric substrate, a first electrode and a second electrode provided on the first dielectric substrate and capable of generating a horizontal electric field in the liquid crystal layer, and a first alignment film being in contact with the liquid crystal layer. The second substrate includes a second dielectric substrate and a second alignment film provided on the second dielectric substrate and being in contact with the liquid crystal layer. The first alignment film has an azimuthal anchoring strength lower than the second alignment film. The liquid crystal layer includes a nematic liquid crystal material and a polymer network.Type: GrantFiled: March 27, 2020Date of Patent: April 19, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Koji Murata, Kiyoshi Minoura, Akira Sakai, Yuichi Kawahira, Kohzoh Nakamura
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Patent number: 11287711Abstract: A display panel, a method for manufacturing a display panel, and a display device are provided. The display panel includes a first substrate and a second substrate disposed opposite to each other. The first substrate is provided with a first common electrode and a pixel electrode disposed in different layers, and the first common electrode is closer to the second substrate comparing with the pixel electrode. The second substrate is provided with a second common electrode, and the second electrode is electrically connected to the first common electrode. An orthographic projection of the second common electrode on the first substrate has an overlapping area with data lines on the first substrate, and an orthographic projection of the first common electrode on the first substrate has no overlapping area with the data lines.Type: GrantFiled: January 4, 2018Date of Patent: March 29, 2022Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY LTD.Inventors: Haifeng Liu, Xiaoye Ma, Rui Ma
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Patent number: 11281053Abstract: The present disclosure provides a display panel, a display substrate, and a manufacturing method thereof. The display substrate comprises a substrate, a first planar layer, and a BPS light-shielding layer. Wherein the BPS light-shielding layer is made of a composite material including polydopamine and graphene oxide, which can strengthen a binding force between the BPS light-shielding layer and the first planar layer and improve light-shielding effect of the BPS light-shielding layer. The manufacturing method of the display substrate is simple, and making liquid crystals uniformly filled, thereby improving display quality of panels.Type: GrantFiled: November 26, 2019Date of Patent: March 22, 2022Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Zhiming Xu
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Patent number: 11281041Abstract: According to an aspect of the present disclosure, a cover glass structure includes: a cover glass; a polarizing layer disposed under the cover glass and including a liquid crystal and a dye; and a phase retardation layer disposed under the polarizing layer. The polarization layer polarizes light propagating through the polarizing layer and the phase retardation layer delays a phase of light propagating through the phase retardation layer.Type: GrantFiled: December 3, 2019Date of Patent: March 22, 2022Assignee: LG Display Co., Ltd.Inventors: KyungHwan Oh, Sejin Jang, YuLim Won, Youngjoo Park
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Patent number: 11281039Abstract: A liquid crystal display apparatus is disclosed. The liquid crystal display apparatus includes: a liquid crystal display panel; an infrared transmitting reflector plate configured to transmit an infrared light and reflect a visible light; an infrared source configured to emit an infrared light which is to be transmitted through the infrared transmitting reflector plate and the liquid crystal display panel to a fingerprint to be identified on a light exit side of the liquid crystal display panel; and a fingerprint identification module disposed on the side of the infrared transmitting reflector plate facing away from the liquid crystal display panel, and configured to receive a part of the infrared light emitted by the infrared source. The part of the infrared light being reflected by the fingerprint to reach the fingerprint identification module through the liquid crystal display panel and the infrared transmitting reflector plate for performing a fingerprint identification.Type: GrantFiled: June 9, 2020Date of Patent: March 22, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jinzhao Zhou, Litao Fan, Meiling Jin, Qin Xin, Zhiqiang Zhang, Jingfu Tao, Pengfei Cheng, Jian Zhang, Yujie Liu, Shubai Zhang, Haiwei Sun, Ming Zhai, Yutao Hao, Site Cai, Tingting Zhao
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Patent number: 11275277Abstract: The disclosure provides a color filter substrate, including a base substrate and a black matrix in multiple rows and multiple columns arranged on the base substrate; a color filter layer on the base substrate, including a plurality of color channels arranged at intervals and defined by the multiple columns of the black matrix, and each color channel including a plurality of color units defined by the multiple rows of the black matrix; and at least one spacer reference structure, each including at least two sub-structures respectively arranged in at least two adjacent color channels and on a same row of the black matrix, each sub-structure being arranged on a surface of the black matrix distal to the base substrate; a height difference between surfaces of the at least two sub-structures distal to the base substrate is less than a first threshold.Type: GrantFiled: March 18, 2019Date of Patent: March 15, 2022Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiongwei Wang, Baojie Zhao, Jian Li, Li Wang, Xiang Hui, Yan Zhao, Qinglin Ma, Chunhong Ma
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Patent number: 11275266Abstract: This application relates to a laminate which comprises: a first polarization rotation layer; a second polarization rotation layer; and a positive C plate provided between the first polarization rotation layer and the second polarization rotation layer, the first polarization rotation layer comprises a first quarter wave plate, and the second polarization rotation layer comprises a first three-quarter wave plate and a liquid crystal display comprising the same.Type: GrantFiled: June 3, 2019Date of Patent: March 15, 2022Assignee: LG CHEM, LTD.Inventors: Junwon Chang, Moon Soo Park, Kyun Il Rah, Sun Kug Kim, Nayoung Shin
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Patent number: 11262624Abstract: The displacement between a TFT substrate and a counter substrate and the cut of an alignment film caused by a columnar spacer are prevented. A liquid crystal display device includes: a TFT substrate including a scanning line extending in a first direction, a picture signal line extending in a second direction, a pixel electrode formed in a region surrounded by the scanning line and the picture signal line, and a common electrode formed as opposed to the pixel electrode through an insulating film; a counter substrate disposed as opposed to the TFT substrate and having a spacer; and a liquid crystal sandwiched between the substrates. A common metal interconnection is formed to cover the picture signal line or the scanning line, and stacked on the common electrode. A through hole is formed on the common metal interconnection. The tip end of the spacer is disposed inside the through hole.Type: GrantFiled: June 23, 2020Date of Patent: March 1, 2022Assignee: Japan Display Inc.Inventors: Masateru Morimoto, Saori Sugiyama, Motoharu Miyamoto
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Patent number: 11256130Abstract: A display device includes a first display panel including a light emitting element; a light condensing element at a side portion of the first display panel; a light guide plate below the first display panel; The light condensing element transmits external light to the light guide plate.Type: GrantFiled: April 16, 2020Date of Patent: February 22, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jong Uk Bang, Jang Sik Park, Joo Young Lee
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Patent number: 11237436Abstract: A spacer includes a first layer, a second layer and a third layer which are disposed in a stacked manner, the second layer includes an upper portion and a lower portion, the lower portion is embedded in the first layer, at least a part of the upper portion is embedded in the third layer, and a hardness of a material of the second layer is higher than a hardness of a material of each of the first layer and the third layer.Type: GrantFiled: December 11, 2017Date of Patent: February 1, 2022Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Biyu Zhao, Kwanggyun Jang, Chang Zhang
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Patent number: 11215888Abstract: An embodiment of the present inventive concept provides a liquid crystal display, including: a first gate line; a first data line crossing the first gate line; a first transistor including a gate electrode connected to the first gate line, a source electrode connected to the first data line, and a drain electrode; a first connecting line connected to the drain electrode; a first contact portion connected to the first connecting line; and a first pixel electrode connected to the first contact portion, wherein the first pixel electrode may be disposed between the first transistor and the first contact portion.Type: GrantFiled: January 8, 2020Date of Patent: January 4, 2022Inventors: Dong Hee Shin, Kyung Ho Kim, Yoo Mi Ra, Seong Young Lee, Yong Hee Lee
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Patent number: 11209682Abstract: A display device includes a back cover; a plurality of light sources coupled to the back cover; a guide panel positioned at the back cover, the guide panel including a seating portion, and a guide wall portion; a display panel supported on the seating portion of the guide panel; a top case including a front part covering an edge portion of a front surface of the display panel and a lateral part covering the guide wall portion of the guide panel. Further, the lateral part of the top case includes a first part and a second part, the first part being further recessed than the second part. In addition, a fastener that couples the top case, the guide panel, and the back cover by penetrating the first part of the top case, the guide wall portion of the guide panel and an edge of the back cover, a first end of the fastener is placed at the first part of the top case.Type: GrantFiled: March 26, 2020Date of Patent: December 28, 2021Assignee: LG ELECTRONICS INC.Inventors: Honghae Do, Jonggil Pyo, Jongman Park, Jein Lee, Kwangho Choi