Patents Examined by Phu Vu
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Patent number: 12253774Abstract: A display panel comprising a plurality of sub-pixels, wherein the display panel comprises: a first substrate; a data wire disposed on the first substrate; one or more shield electrodes disposed on a side of the data wire away from the first substrate; a plurality of pixel electrodes disposed on a side of the shield electrodes away from the data wire, wherein the plurality of pixel electrodes are disposed corresponding to the plurality of sub-pixels, respectively, and wherein in each of the sub-pixels, the shield electrode comprises a first electrode and a second electrode that are independent of each other.Type: GrantFiled: August 10, 2023Date of Patent: March 18, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yoonsung Um, Jing Liu
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Patent number: 12253776Abstract: A method of forming an electronic device including: providing an assembly, wherein the assembly includes a substrate, an optical film, a plurality of color filters and a defect, wherein the plurality of color filters and the defect are disposed between the substrate and the optical film; and using a laser pulse to form a first processed area that corresponds to the defect in the optical film, wherein the first processed area at least partially overlaps at least two of the plurality of color filters.Type: GrantFiled: March 25, 2024Date of Patent: March 18, 2025Assignee: INNOLUX CORPORATIONInventors: Tai-Chi Pan, Chin-Lung Ting, I-Chang Liang, Chih-Chiang Chang Chien, Po-Wen Lin, Kuang-Ming Fan, Sheng-Nan Chen
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Patent number: 12242154Abstract: Embodiments relate to a display device including: a display panel configured to display an image; a backlight unit below the display panel, the blacklight unit configured to emit light; and an optical path control member interposed between the display panel and the backlight unit. The optical path control member includes a first electrode, a second electrode, and a light conversion layer interposed between the first electrode and the second electrode. The light conversion layer includes: a partition portion; and receiving portions which are formed in a pyramid shape within the partition portion and in which scattered particles are dispersed.Type: GrantFiled: October 31, 2023Date of Patent: March 4, 2025Assignee: LG Display Co., Ltd.Inventors: Yongseok Lee, Hyukjoon Yoon
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Patent number: 12235559Abstract: A double-layer cholesteric liquid crystal display and its manufacturing method are disclosed. The double-layer cholesteric liquid crystal display includes three transparent substrates, two opposing electrode layers, two cholesteric liquid crystal layers, and a first light-absorbing layer. Additionally, the double-layer cholesteric liquid crystal display incorporates two drive ICs and a second light-absorbing layer. The two drive ICs can be positioned either on the same side or on opposite sides within the non-display area of the double-layer cholesteric liquid crystal display. Furthermore, the first cholesteric liquid crystal layer exhibits a first color light, and the second cholesteric liquid crystal layer exhibits a second color light, where the colors are selected as contrasting colors. Additionally, the two cholesteric liquid crystal layers possess mutually opposite optical rotary properties.Type: GrantFiled: June 3, 2024Date of Patent: February 25, 2025Assignee: IRIS OPTRONICS CO., LTD.Inventors: Cheng-Yu Lin, Cheng-Hong Yao, Chi-Chang Liao
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Patent number: 12228816Abstract: A display panel and a manufacture method thereof, and a display apparatus are provided. The display liquid crystal panel includes a first substrate and a second substrate opposite to each other; the light control panel includes a third substrate and a fourth substrate opposite to each other. The second substrate and the third substrate are between the first substrate and the fourth substrate. The light control liquid crystal layer is between the first polarizer and the second polarizer; the first polarizer is between the second polarizer and the third polarizer, and the display liquid crystal layer is between the first polarizer and the third polarizer. The first polarizer, the second polarizer, and the third polarizer are configured to allow backlight to emit out of the fourth substrate after passing through the second polarizer, the first polarizer, and the third polarizer in sequence.Type: GrantFiled: December 4, 2023Date of Patent: February 18, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guangcai Yuan, Haixu Li
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Patent number: 12228748Abstract: A display device includes a display panel including pixels, a polarization layer disposed on the display panel and configured to polarize light in a first polarization direction, a liquid crystal layer disposed on the polarization layer and including liquid crystal molecules, a lens array disposed on the liquid crystal layer and including lenses, and a polarization pattern disposed between the lenses and polarizing light in a second polarization direction that intersects the first polarization direction.Type: GrantFiled: June 11, 2024Date of Patent: February 18, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Su Jung Huh, Jeong Woo Park
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Patent number: 12228807Abstract: The invention discloses a variable tint lens and glasses. The variable tint lens includes a first polarizer, a second polarizer, and a liquid crystal layer arranged between the first polarizer and the second polarizer, a first conductive film arranged between the first polarizer and the liquid crystal layer, and a second conductive film arranged between the second polarizer and the liquid crystal layer, the first conductive film and the second conductive film are also connected to a power supply device. The arrangement direction of the liquid crystal molecules in the liquid crystal layer changes according to the voltage provided by the power supply device, so that the refractive index of the liquid crystal molecules to the light is changed, and the color of the light passing through the liquid crystal layer is changed. Compared with the prior art, the present invention can continuously change the color of light passing through the variable tint lens and adjust the brightness of the light.Type: GrantFiled: August 22, 2022Date of Patent: February 18, 2025Assignee: WICUE USA INC.Inventors: Fenghua Li, Cai Guo
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Patent number: 12222598Abstract: A liquid crystal display device includes a first liquid crystal display panel in which a first main pixel including subpixels is arranged in a matrix, and that displays a color image, and a second liquid crystal display panel that includes a second main pixel corresponding to a plurality of the first main pixel, and that displays a monochrome image. The second main pixel is divided into a plurality of regions, and has pixel electrodes disposed in the plurality of regions and a plurality of light shields. At least a portion of the plurality of light shields is formed from a switching element that connects to each of the pixel electrodes, and the plurality of light shields is arranged in a staggered manner. The light shields positioned within one set of the regions formed from adjacent regions forms one set of the light shields.Type: GrantFiled: June 21, 2024Date of Patent: February 11, 2025Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Tomomi Honda, Mitsuhiro Sugimoto, Hidenori Ikeno, Takayuki Konno, Shinya Onda, Satoshi Inada
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Patent number: 12222599Abstract: An optical system includes a lens layer including a plurality of microlenses arranged along orthogonal first and second directions, and at least one optically opaque mask layer spaced apart from the lens layer and defining a plurality of through openings therein arranged along the first and second directions. There is a one-to-one correspondence between the microlenses and the openings, such that for each microlens, the microlens and corresponding openings are substantially centered on a straight line making a same oblique angle with the lens layer. An optical layer can include the lens layer and the optically opaque mask layer embedded in the optical layer.Type: GrantFiled: December 1, 2020Date of Patent: February 11, 2025Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Zhaohui Yang, Przemyslaw P. Markowicz, Mark A. Roehrig, Tri D. Pham, Serena L. Schleusner, David A. Rosen, Yang Liu
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Patent number: 12216346Abstract: A display device includes a display panel including a polymer-dispersed liquid crystal layer between a pair of substrates, a transparent substrate disposed on at least one side of the display panel, and a lighting unit configured to project light from the side of the transparent substrate. The lighting unit includes at least one light source, at least one light guide incident with the light emitted from the light source, and a support member having an L-shaped cross section and extending along one side of the display panel to which the at least one light source and the at least one light guide are fixed. The at least one light source and the at least one light guide are disposed on different sides of the support member. The lighting unit is fixed to the transparent substrate or the display panel by the support member.Type: GrantFiled: November 21, 2023Date of Patent: February 4, 2025Assignee: Japan Display Inc.Inventors: Kazuki Ichihara, Naoyuki Asano, Motoki Tsuda
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Patent number: 12197066Abstract: An optical film includes a low-refractive-index layer that includes a plurality of lens portions, and a high-refractive-index layer that fills a space between the plurality of lens portions. The lens portions each have a columnar shape and have a flat portion at an end thereof, and are arranged two-dimensionally. Distances between portions of the lens portions satisfy the following equation: ((PA?((AIN+AEX)/2))×(PB?((BIN+BEX)/2)))/(PA×PB) is 0.42 or greater and 0.70 or less.Type: GrantFiled: January 13, 2021Date of Patent: January 14, 2025Assignee: Dai Nippon Printing Co., Ltd.Inventors: Tsuyoshi Kashiwagi, Takahiro Takeshima
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Patent number: 12197067Abstract: The present invention provides a liquid crystal display with improved structure. A liquid crystal display includes a cover plate, a polarizing layer, and a liquid crystal display unit layer. The cover plate is placed on the polarizing layer, and the polarizing layer is placed on the liquid crystal display unit layer. Between the cover plate and the polarizing layer or between the polarizing layer and the liquid crystal display unit layer, an optical adhesive layer may further be included. The present invention further includes a filling layer, enabling the area between the cover plate and the polarizing layer, between the polarizing layer and the liquid crystal display unit layer, or between the polarizing layer and the optical adhesive layer to be completely filled. The present invention solves the problem of uneven appearance or structural defects in the liquid crystal display caused by difficulties in controlling the adhesive dispensing quantity.Type: GrantFiled: August 29, 2023Date of Patent: January 14, 2025Assignees: Interface Technology (ChengDu) Co., Ltd., Interface Optoelectronics (ShenZhen) Co., Ltd., General Interface Solution LimitedInventors: Hung-Chieh Chin, Hsuan-Man Chang, Ching-Lin Li
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Patent number: 12197074Abstract: Methods and systems relating generally to information displays, and more particularly to systems and methods for backlight assemblies for information displays that include light expanding structures. A backlight assembly may include light expander structures that include a plurality of layer sets, wherein each layer set includes a reflective polarizer layer and a wave retarder layer. The layer sets may together be operative transform point light source, such as a laser light beam, into a surface light source for use as a backlight for various types of information displays.Type: GrantFiled: February 9, 2022Date of Patent: January 14, 2025Assignee: Valve CorporationInventors: Joshua Mark Hudman, Kameron Wade Rausch, Douglas Vanderwel
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Patent number: 12197065Abstract: An optical film and a display device are provided. The optical film includes a substrate and a plurality of protrusions disposed on a surface of the substrate. The protrusion includes a center plane, a first inclined surface, and a second inclined surface. The first inclined surface is connected to the center plane. The first inclined surface extends away from the surface of the substrate in a direction away from the center plane. The second inclined surface is connected between the first inclined surface and the surface of the substrate. The second inclined surface approaches the surface of the substrate in the direction away from the center plane.Type: GrantFiled: September 17, 2021Date of Patent: January 14, 2025Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Zhiyuan Yin, Lixuan Chen, Ming Xu
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Patent number: 12189222Abstract: A display device and a dimming device are provided. A dimming layer is located between a first polarizer and a second polarizer whose transmission axes are parallel to each other. When the display device is in a first display mode, long axes of the liquid crystal molecules distributed in the first polymer network are arranged along the second direction, and long axis of the liquid crystal molecules distributed in the second polymer network are arranged along the third direction. The third direction and the second direction respectively point to opposite sides of a normal line of the first polarizer.Type: GrantFiled: December 22, 2021Date of Patent: January 7, 2025Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Rui He, Xindong Mei, Wenlong Ye, Qian Deng, Wei Cheng
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Patent number: 12181755Abstract: A variable transmittance optical stack and a manufacturing method for the same, and a smart window including the same are proposed, and the variable transmittance optical stack includes a first polarizing plate, a first electrode layer formed on one surface of the first polarizing plate, a second polarizing plate opposing the first polarizing plate, a second electrode layer formed on one surface of the second polarizing plate, and opposing the first electrode layer, and a liquid crystal layer provided between the first electrode layer and the second electrode layer, wherein the first electrode layer and the second electrode layer includes conductive polymers, and the first electrode layer and the second electrode layer have physical alignment structures on at least a part of regions thereof by a rubbing manner.Type: GrantFiled: April 18, 2024Date of Patent: December 31, 2024Assignee: DONGWOO FINE-CHEM CO., LTD.Inventors: Hyung-Hun Kim, Jin-Ho Kim, Hyun-Sun Ryu, Sub Heo
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Patent number: 12174482Abstract: Provided is a display device in which warping of a display panel is sufficiently reduced or prevented. The display device includes: a display panel; and a polarizer, the polarizer being provided with at least one notch that extends inward from an outer edge of the polarizer.Type: GrantFiled: August 29, 2023Date of Patent: December 24, 2024Assignee: Sharp Display Technology CorporationInventors: Ryosuke Saigusa, Akira Sakai, Yuichi Kawahira, Masahiro Hasegawa
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Patent number: 12174478Abstract: A display panel relates to the field of display technology, and includes: a first base substrate and a second base substrate arranged oppositely; a liquid crystal layer and a plurality of conductive layers, wherein the liquid crystal layer and the plurality of conductive layers are located between the first base substrate and the second base substrate; and a plurality of heating elements, wherein the plurality of heating elements are distributed in at least one of the conductive layers.Type: GrantFiled: May 11, 2022Date of Patent: December 24, 2024Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jianyun Xie, Peng Liu, Jingyi Xu, Hong Liu, Peirong Huo, Zhiming Li, Guodong Wang
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Patent number: 12164198Abstract: In order to avoid generation of black unevenness caused by the water intrusion into a liquid crystal display device, there is to provide a liquid crystal display device including a display area and a terminal portion, in which a TFT substrate with an organic passivation film formed and an opposite substrate are adhered to each other by a seal portion and a liquid crystal is enclosed there, wherein in the seal portion of the TFT substrate, a groove-shaped through-hole is formed in the organic passivation film to surround the display area, a water absorption layer formed of the same material in the same process as that of the organic passivation film is formed within the groove-shaped through-hole, and the water absorption layer is not covered with the inorganic insulating film.Type: GrantFiled: November 16, 2023Date of Patent: December 10, 2024Assignee: Japan Display Inc.Inventors: Tomonori Nishino, Masato Shimura, Tomokazu Ishikawa, Yuki Kuramoto, Satoshi Hashimoto
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Patent number: 12153298Abstract: A display device including a peripheral circuit portion with high operation stability. The display device includes a first substrate and a second substrate. A first insulating layer is on a first plane of the first substrate, and a second insulating layer is on a first plane of the second substrate. An area of the first plane of the first substrate is the same as an area of the first plane of the second substrate. The first plane of the first substrate and the first plane of the second substrate face each other. A bonding layer is between the first insulating layer and the second insulating layer. A protection film is in contact with the first substrate, the first insulating layer, the bonding layer, the second insulating layer, and the second substrate.Type: GrantFiled: April 21, 2023Date of Patent: November 26, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Yoshiharu Hirakata, Tetsuji Ishitani, Daisuke Kubota, Ryo Hatsumi, Masaru Nakano, Takashi Hamada