Patents Examined by Jessica M Merlin
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Patent number: 11635651Abstract: The invention provides a display panel, which includes a first substrate, a second substrate, a liquid crystal layer, a light shielding pattern layer and a plurality of pixel structures. The liquid crystal layer is disposed between the first substrate and the second substrate, and includes a plurality of negative liquid crystal molecules. Each of the pixel structures includes a first electrode and a second electrode. The first electrode has an electrode opening and a first finger portion extending into the electrode opening. The second electrode has two second finger portions overlapping the electrode opening. The first finger portion and the two second finger portions are alternately arranged along a first direction inside the electrode opening and extend in a second direction.Type: GrantFiled: October 12, 2021Date of Patent: April 25, 2023Assignee: HannStar Display CorporationInventors: Chia-Hua Yu, Kun Tsai Huang, Feng-Wei Kuo, Luo-Yi Wu
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Patent number: 11628710Abstract: A light control system for a windshield can change a visible light transmittance of an upper part and a non-upper part of each of a front windshield, a right side windshield, and a left side windshield. A controller that controls a change includes a mode changing unit that changes a mode depending on whether a vehicle is not in a driving state or in a driving state. When the vehicle is not in a driving state, a change of reducing the visible light transmittance of the upper part and the non-upper part to be lower than a predetermined value is permitted. When the vehicle is in a driving state, a change of reducing the visible light transmittance of the upper part to be lower than the predetermined value is permitted and a change of reducing the visible light transmittance of the non-upper part to be lower than the predetermined value is prohibited.Type: GrantFiled: September 16, 2020Date of Patent: April 18, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Ryusuke Tanaka
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Patent number: 11619841Abstract: A display device includes: an array substrate; a counter substrate; a liquid crystal layer between the array substrate and the counter substrate; and a light source. The array substrate includes: signal lines; scanning lines; a grid-shaped organic insulating layer that extends along the scanning lines and the signal lines and overlies the scanning lines and the signal lines; pixel electrodes provided in regions surrounded by the scanning lines and the signal lines; and a first orientation film that covers the pixel electrodes. A portion of each pixel electrodes overlaps a slant surface of the organic insulating layer. The counter substrate includes: a common electrode overlapping the respective pixel electrodes; a protective film that has an insulating capability and a light transmitting capability and covers a side of the common electrode facing the array substrate at least in the display region; and a second orientation film that covers the protective film.Type: GrantFiled: December 6, 2021Date of Patent: April 4, 2023Assignee: Japan Display Inc.Inventors: Hiroki Sugiyama, Kentaro Okuyama, Yoshihide Ohue, Yuuji Oomori
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Patent number: 11614654Abstract: Provided is an optical member. The optical member includes a color filter member including quantum dots and a low-refractive index layer below the color filter member and including a first hollow particle and a second hollow particle. The first hollow particle may have a particle size different from a particle size of the second hollow particle.Type: GrantFiled: September 21, 2021Date of Patent: March 28, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jin-soo Jung, Younggu Kim, Taekjoon Lee, Jongmin Ok, Sun-young Chang, Hyelim Jang, Baekkyun Jeon, Kyungseon Tak
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Patent number: 11599234Abstract: A touch panel including a liquid crystal panel, a first polarizer, touch units, and a second polarizer is provided. The liquid crystal panel includes a first substrate, a second substrate, an active array, and a liquid crystal layer. Each of the touch units includes a first electrode extending along a first extending direction and a second electrode extending along a second extending direction. The first electrode includes two of first touch electrodes electrically connected to each other. Each of the first touch electrodes has a first deviation amount in the second extending direction. The second electrode includes two of second touch electrodes electrically connected to each other. Each of the second touch electrodes has a second deviation amount in the first extending direction. The two of the second touch electrodes and the two of the first touch electrodes have four overlapping points.Type: GrantFiled: November 15, 2021Date of Patent: March 7, 2023Assignee: Au Optronics CorporationInventors: Wei-Lin Lin, Yu-Feng Chien
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Patent number: 11596068Abstract: The application discloses a dual-layer display assembly and a display device. The dual-layer display assembly includes a first display screen, a second display screen, a first print circuit board, a second print circuit board and a fixing structure, where the second display screen is arranged in layers with the first display screen; the first print circuit board drives the first display screen; the second print circuit board drives the second display screen; and the fixing structure connects and fixes the first print circuit board and the second print circuit board.Type: GrantFiled: March 11, 2021Date of Patent: February 28, 2023Assignee: HKC CORPORATION LIMITEDInventors: Xiaogang Hu, Haijiang Yuan
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Patent number: 11592701Abstract: A display system and method are disclosed that includes an electronic display device and a backlight comprising a light-emitting array, a reflector adjacent to the light-emitting array, a diffuser opposite the reflector, a first brightness enhancing layer adjacent the diffuser, and an optical film in the backlight unit that includes at least one light conversion material or at least one light conversion material. The light conversion material is structured and configured to reduce hazardous blue light emissions between about 400 nm to about 500 nm. The disclosed display device can include a liquid crystal panel configured to control transmission of light from the backlight to a viewer. The display device also includes one or more optical films that incorporate one or more light conversion or light absorbing materials. The optical films can be positioned between the layers of the disclosed display device and give enhanced blue-light absorption to the display device.Type: GrantFiled: June 15, 2021Date of Patent: February 28, 2023Assignee: EYESAFE INC.Inventors: Arkady Garbar, Derek Harris, Kelly Mitzel
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Patent number: 11579494Abstract: A switchable glass panel, a method of forming switchable glass panel and a method of forming switchable glass are provided. The method includes: forming a first electrode layer and a first alignment layer sequentially on a first substrate, and forming a second electrode layer and a second alignment layer sequentially on a second substrate; forming first sealants distributed along a first direction, second sealants distributed along a second direction and an edge sealant at the edge of the first alignment layer on the first alignment layer, where the first sealants and the second sealants form a grid with a plurality of openings; forming a plurality of liquid crystal layers corresponding to the plurality of openings on the second alignment layer; and oppositely arranging the first substrate and the second substrate to form a cell, and curing the first sealants and the second sealants.Type: GrantFiled: November 29, 2021Date of Patent: February 14, 2023Assignees: Beijing BOE Sensor Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Ying Wang, Zhan Li, Sikai Zhang, Juan Chen, Changyin Wang, Peng Liang, Deshen Zhai, Chunlei Wang, Yue Shi, Chuncheng Che, Feng Liu, Hao Liu
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Patent number: 11573463Abstract: An electro-optical apparatus includes an electro-optical panel having a first end portion, a first connector that is flexible, and a reinforcement member on the first connector. The first connector has a second end portion and a third end portion opposite to the second end portion. The second end portion is connected to the first end portion. The first connector has a first surface connected to the electro-optical panel, and a second surface opposite to the first surface. The reinforcement member is located on the first surface, and extends from an end surface at the first end portion of the electro-optical panel to the third end portion. The first connector has first and second side edges, at least one of which has a first cutout depressed inward. The first and second side edges connect the second and third end portions to each other.Type: GrantFiled: August 25, 2022Date of Patent: February 7, 2023Assignee: Trivale TechnologiesInventors: Takahiro Ueno, Toru Kiyohara, Tomohiro Tashiro
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Patent number: 11573448Abstract: In a liquid crystal device serving as an electro-optical device, a liquid crystal layer as an electro-optical element is disposed between a base material 10s as a first substrate and a base material 20s as a second substrate which are disposed to face each other via a photo-curable type seal material, the substrate 10s and the substrate 20s are transmissive and include a plurality of light-shielding patterns disposed at intervals in a seal region of the substrate 10s where the seal material is disposed, and on the substrate 10s, a semiconductor layer of a transistor included in a driving circuit for driving the electro-optical element is disposed to overlap, in plan view, with at least one of the plurality of light-shielding patterns.Type: GrantFiled: May 18, 2022Date of Patent: February 7, 2023Assignee: SEIKO EPSON CORPORATIONInventor: Shinsuke Fujikawa
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Patent number: 11573360Abstract: In polarization-based optical systems, preserving a state-of-polarization (SOP) over a prescribed range of incidence angles and wavelengths may be necessary. Optical materials with local normal tilted with respect to an incident ray can introduce an undesirable polarization nonuniformity that can be substantially corrected using a compensator as disclosed herein. The compensator may include a uniaxial retarder and a z-partial polarizer (ZPP). The ZPP may include a uniaxial material with an absorption axis normal to the substrate.Type: GrantFiled: April 13, 2020Date of Patent: February 7, 2023Assignee: Meta Platforms Technologies, LLCInventor: Gary D. Sharp
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Patent number: 11561425Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer and a seal. The second substrate is opposed to the first substrate. The liquid crystal layer is disposed between the first substrate and the second substrate. The seal bonds the first substrate to the second substrate together and seals the liquid crystal layer. The first substrate includes a light source disposed at a position overlapping the seal in a planar view. The light source is sealed by the seal.Type: GrantFiled: June 13, 2022Date of Patent: January 24, 2023Assignee: JAPAN DISPLAY INC.Inventor: Masanobu Ikeda
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Patent number: 11561431Abstract: The present disclosure provides a binding backplane and a manufacturing method thereof, a backlight module and a display device. The binding backplane includes: a substrate; a first trace layer on the substrate; a planarizing layer on a side of the first trace layer away from the substrate; a second trace layer on the planarizing layer and including a connecting portion and a binding portion; a surface protective layer on the second trace layer away and exposing the binding portion; and a conductive reflection structure on a side of the surface protective layer close to the substrate, wherein the conductive reflection structure includes a grounding portion, a distance between a surface of the grounding portion away from the substrate and the substrate is not greater than a distance between a surface of the binding portion away from the substrate and the substrate.Type: GrantFiled: July 29, 2019Date of Patent: January 24, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shengguang Ban, Shuilang Dong
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Patent number: 11550195Abstract: A display device including a substrate having a first TFT of an oxide semiconductor and a second TFT of a polysilicon semiconductor comprising: the oxide semiconductor 109 is covered by a first insulating film, a first drain electrode 110 is connected to the oxide semiconductor 109 via a first through hole 132 formed in the first insulating film, a first source electrode 111 is connected to the oxide semiconductor 109 via second through hole 133 formed in the first insulating film in the first TFT, a second insulating film is formed covering the first drain electrode 110 and the first source electrode 111, a drain wiring connects 12 to the first drain electrode 110 via a third through hole 130 formed in the second insulating film, a source wiring 122 is connected to the first source electrode 111 via a fourth through hole 131 formed in the second insulating film.Type: GrantFiled: October 21, 2021Date of Patent: January 10, 2023Assignee: JAPAN DISPLAY INC.Inventors: Toshihide Jinnai, Hajime Watakabe, Akihiro Hanada, Ryo Onodera, Isao Suzumura
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Patent number: 11550088Abstract: Provided are a phase difference film that has a small change in tint in a case where the phase difference film is combined with a polarizer and then applied as a circularly polarizing plate to a display device, and the display device is observed from an oblique direction at all azimuthal angles; as well as a circularly polarizing plate and a display device. The phase difference film includes a first optically anisotropic layer, a second optically anisotropic layer, a third optically anisotropic layer, and a fourth optically anisotropic layer in this order, in which the first optically anisotropic layer is a C-plate, the second optically anisotropic layer is an A-plate, the third optically anisotropic layer is a layer formed by fixing a liquid crystal compound twist-aligned along a helical axis extending in a thickness direction, and the first, second, third, and fourth optically anisotropic layers have a predetermined configuration.Type: GrantFiled: May 25, 2022Date of Patent: January 10, 2023Assignee: FUJIFILM CorporationInventors: Yuta Takahashi, Yusuke Furuki, Toshihiro Konishi, Hiroki Kuwahara
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Patent number: 11543721Abstract: Display device is provided and includes first and second substrates; display region in which pixels are provided on first substrate; peripheral region positioned between edge of first substrate and display region; scanning lines extending in first direction; signal lines extending in second direction; terminals arranged in first direction in peripheral region of first substrate; connection lines in first region and that connect terminals and signal lines; dummy electrodes disposed in second region separated from connection lines in planar view, and signal output lines that couple terminals and connection lines, wherein dummy electrodes are provided in second region surrounded by end of first substrate and signal output lines.Type: GrantFiled: November 15, 2021Date of Patent: January 3, 2023Assignee: Japan Display Inc.Inventors: Keita Sasanuma, Masaki Kajiyama, Kengo Shiragami, Naoyuki Obinata
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Patent number: 11543692Abstract: A high laser damage threshold reflective optically addressed liquid crystal spatial light modulator for shaping 1053 nm linearly polarized light beams, comprising a computer-controlled LCoS electrical addressable spatial light modulator, polarization beam splitter, and polarizer, Liquid crystal cell, analyzer, AC power supply, where the liquid crystal cell comprises a transparent conductive film antireflection film layer, a transparent conductive film base layer, a first transparent conductive layer, a liquid crystal alignment layer, a liquid crystal layer, an alignment element, a reflective film layer, a light guide layer, and a second transparent conductive layer. By changing the transparent conductive layer material of the light-transmitting part of the liquid crystal cell from ITO to gallium nitride material, the damage threshold of the high-energy laser is improved, which facilitates application of beam shaping in high-power laser devices.Type: GrantFiled: December 11, 2020Date of Patent: January 3, 2023Assignee: Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of SciencesInventors: Wei Fan, Zhibo Xing, Dajie Huang, He Cheng, Gang Xia
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Patent number: 11536876Abstract: Provided are a composite membrane, a touchpad and a display device. The composite membrane includes a first graded-refractive-index layer, a first dielectric layer and a second graded-refractive-index layer which are stacked in sequence; where the first graded-refractive-index layer includes at least two first sub-layers, and the second graded-refractive-index layer includes at least two second sub-layers; in a direction from the first graded-refractive-index layer to the first dielectric layer, refractive indexes of first sub-layers sequentially increase, and refractive indexes of second sub-layers sequentially decrease; a refractive index of a first sub-layer adjacent to the first dielectric layer is less than or equal to a refractive index of the first dielectric layer; and a refractive index of a second sub-layer adjacent to the first dielectric layer is less than or equal to the refractive index of the first dielectric layer.Type: GrantFiled: June 30, 2020Date of Patent: December 27, 2022Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Yuefeng Gu, Jun Zhou, Ruifen Fu, Jiandong Wang
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Patent number: 11537000Abstract: The present disclosure provides a display module, including a display panel and a cover plate covering a light-exiting surface of the display panel. The cover plate includes a display panel setting region and a functional module setting region, a light shielding structure is connected to a side wall of the display panel close to the functional module setting region, the functional module setting region includes a light shielding region and a light transmitting region for exposing a functional module, the light shielding region surrounds the light transmitting region, and the light shielding region is provided with an alignment mark for the attachment of a protective film configured for covering the light transmitting region. The present disclosure further provides a display device.Type: GrantFiled: June 24, 2020Date of Patent: December 27, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing BOE Technology Development Co., Ltd.Inventors: Fan Li, Dong Liu, Xiaolong Zhu
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Patent number: 11537010Abstract: An electronic modulating device is provided. The electronic modulating device includes a first substrate. The first substrate includes a first portion and a second portion. The electronic modulating device also includes a second substrate disposed opposite to the first substrate. The electronic modulating device further includes at least one working device disposed between the first substrate and the second substrate, wherein the working device overlaps the first portion and does not overlap the second portion. In addition, the electronic modulating device includes a first adjustment unit disposed between the first portion of the first substrate and the second substrate. The first adjustment unit has a first elastic coefficient. The electronic modulating device also includes second adjustment unit disposed between the second portion of the first substrate and the second substrate. The second adjustment unit has a second elastic coefficient that is greater than the first elastic coefficient.Type: GrantFiled: July 28, 2021Date of Patent: December 27, 2022Assignee: INNOLUX CORPORATIONInventors: Tang-Chin Hung, Zhi-Fu Huang