Patents Examined by Jia X Pan
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Patent number: 11537011Abstract: A display device includes a first substrate including a display area including pixels, a non-display area disposed around the display area, and a base substrate, a second substrate facing the first substrate, and a printed circuit board attached to side surfaces of the first substrate and the second substrate, wherein the first substrate includes a plurality of connection wirings connected to the pixels, arranged on the base substrate, extending along a first direction, and spaced apart from each other along a second direction intersecting the first direction, and a plurality of connection pads arranged on the side surface of the first substrate and the side surface of the second substrate, connected to the connection wirings, extending along a thickness direction, and spaced apart from each other along the second direction, the first substrate further includes a coupling member disposed between the printed circuit board and the side surface of the first substrate and between the printed circuit board and theType: GrantFiled: September 3, 2020Date of Patent: December 27, 2022Assignee: Samsung Display Co., Ltd.Inventor: Byoung Yong Kim
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Patent number: 11526046Abstract: According to one embodiment, a display device includes a first transparent substrate, a second transparent substrate having a first side surface and a second side surface, and a liquid crystal layer including a stripe-shaped polymer and liquid crystal molecules. The liquid crystal layer has a first region and a second region. When no voltage is applied to the liquid crystal layer, a first intersection angle of a first director of a first liquid crystal molecule and a first extension axis of the polymer included in the first region is different from a second intersection angle of a second director of a second liquid crystal molecule and a second extension axis of the polymer included in the second region.Type: GrantFiled: March 31, 2021Date of Patent: December 13, 2022Assignee: Japan Display Inc.Inventors: Kojiro Ikeda, Tenfu Nakamura, Kentaro Okuyama
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Patent number: 11526056Abstract: A display device is described that includes an optical member such as a camera. According to an exemplary embodiment, the display device includes: a substrate that overlaps a light transmission area, a display area that surrounds the light transmission area, and a boundary area that is disposed between the light transmission area and the display area; a first light blocking member that is disposed on the substrate and overlaps the boundary area; a window that overlaps the substrate; and a second light blocking member that is disposed between the first light blocking member and the window, and overlaps the boundary area, wherein the first light blocking member includes a first opening that overlaps the light transmission area, the second light blocking member includes a second opening that overlaps the light transmission area, and a diameter of the first opening is larger than a diameter of the second opening.Type: GrantFiled: January 24, 2020Date of Patent: December 13, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Jung Hyun Kim
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Patent number: 11520192Abstract: The present disclosure relates to an array substrate. The array substrate may include a base substrate; a first electrode layer on the base substrate, and at least one connection electrode at a periphery of the first electrode unit. The first electrode layer may include a plurality of first electrodes, each of the plurality of first electrodes may include at least one first electrode unit, the first electrode unit may include a plurality of strip electrodes, and a plurality of slits are between the plurality of strip electrodes. The plurality of strip electrodes are electrically connected to the connection electrode, and the connection electrode disconnects at one or more positions such that corresponding ends of one or more of the plurality of slits form openings at the one or more positions of the connection electrode.Type: GrantFiled: March 25, 2019Date of Patent: December 6, 2022Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Xiaoyuan Wang, Wu Wang, Yan Fang, Yajie Bai, Ruilin Bi
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Patent number: 11520187Abstract: A liquid crystal display panel and a liquid crystal display device are provided. The liquid crystal display panel includes a substrate comprising a first substrate and a second substrate, a plurality of spacers comprising a plurality of first spacers and a plurality of second spacers, and at least one retaining wall disposed between the first spacer and the second spacer or between the second spacers.Type: GrantFiled: November 28, 2019Date of Patent: December 6, 2022Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Huihua Liao
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Patent number: 11506941Abstract: The present disclosure relates to a display panel. The display panel may include a first substrate, a second substrate opposite the first substrate, and a frame supporting structure between the first substrate and the second substrate in a frame area of the display panel. The frame area of the display panel may surround a display area of the display panel. The frame supporting structure may include a first frame supporting portion on at least one part of a circumference of the display area, the first frame supporting portion comprises an elastic material, and an elastic recovery rate of the elastic material is above about 80%.Type: GrantFiled: April 3, 2019Date of Patent: November 22, 2022Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Lin Zhang, Hongliang Wang, Ke Dai
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Patent number: 11506926Abstract: Optical film stacks are described. More particularly, optical film stacks including a half-wave retardation layer are described. Achromatic half-wave retardation layers, including achromatic half-wave layers formed from a quarter-wave and a three-quarters-wave retardation layer, are described. Film stacks including reflective polarizers tuned to reduce wavelength dispersion of the half-wave retardation layer are also described.Type: GrantFiled: September 10, 2018Date of Patent: November 22, 2022Assignee: 3M Innovative Properties CompanyInventors: Sun-Yong Park, Song-Geun Lee, Matthew B. Johnson, Adam D. Haag
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Patent number: 11506938Abstract: A lighting unit includes a glass laminate structure including a base layer formed from a first glass composition with a refractive index nbase and a surface layer fused to a surface of the base layer and formed from a second glass composition with a refractive index nsurface. The surface layer includes a high refractive index region with a refractive index nhigh and a low refractive index region with a refractive index nlow. nbase and nsurface satisfy the equation |nsurface?nbase?0.001, nhigh is greater than or equal to nbase 1, and nlow is less than nbase. The high refractive index region is optically coupled to the base layer such that at least a portion of light propagating through the base layer leaks out of the base layer and into the high refractive index region. A display device or a luminaire can include the lighting unit.Type: GrantFiled: July 11, 2017Date of Patent: November 22, 2022Assignee: CORNING INCORPORATEDInventors: Venkata Adiseshaiah Bhagavatula, Natesan Venkataraman
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Patent number: 11493796Abstract: Disclosed are a display screen module and a terminal device. The display screen module may include: a backlight module, an LCD screen arranged above the backlight module, a light-transmissible cover plate arranged above the LCD screen, a first light source arranged in a backlight light source of the backlight module, a reflective component arranged between the LCD screen and the cover plate, and a light-receiving module configured to receive light reflected by the reflective component so as to carry out fingerprint recognition.Type: GrantFiled: October 9, 2020Date of Patent: November 8, 2022Assignee: ZTE CORPORATIONInventor: Jiacheng He
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Patent number: 11493807Abstract: A substrate on which a specific type spacer is formed, a substrate comprising an alignment film formed on the spacer, and an optical device using such a substrate are disclosed herein. By controlling the shape of the spacer formed on the substrate, even when the alignment film is formed on the top of the spacer and the orientation treatment is performed, the uniform orientation treatment can be performed without any influence by the step or the like of the spacer, whereby a substrate or the like capable of providing a device having excellent optical performance can be provided.Type: GrantFiled: December 20, 2019Date of Patent: November 8, 2022Inventors: Han Min Seo, Ji Young Hwang, Cheol Ock Song, Nam Seok Bae, Seung Heon Lee, Dong Hyun Oh, Jung Sun You
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Patent number: 11493787Abstract: A projection type transparent display includes a polarization modulator and a reflective layer. The polarization modulator is stacked in sequence by a linear polarizer, a liquid crystal layer and a phase retarder. The reflective layer is stacked on the phase retarder. A projection light is incident on the linear polarizer to form a linearly polarized light. The liquid crystal layer changes a polarization direction of the linearly polarized light. Two kinds of linearly polarized projection lights with polarization directions orthogonal to each other are respectively formed and pass through the phase retarder to respectively form two kinds of circularly polarized projection lights with opposite rotation directions. A background light is incident on the reflective layer.Type: GrantFiled: June 17, 2021Date of Patent: November 8, 2022Assignee: NATIONAL SUN YAT-SEN UNIVERSITYInventors: Tsung-Hsien Lin, Heng-Yi Tseng, Cheng-Chang Li, Li-Min Chang, Kuan-Wu Lin
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Patent number: 11487152Abstract: The present invention provides a laminate and an image display device, in which alignment defects of a liquid crystal layer provided on an optical alignment layer are suppressed. The laminate includes an optical alignment layer and a liquid crystal layer provided on the optical alignment layer. In the laminate, the liquid crystal layer is formed from a liquid crystal composition containing a liquid crystal compound and a surfactant, and the liquid crystal compound is immobilized in a horizontal alignment state, and the surfactant is a copolymer having a repeating unit containing a fluorinated alkyl group and having a repeating unit containing a mesogenic group.Type: GrantFiled: June 3, 2021Date of Patent: November 1, 2022Assignee: FUJIFILM CorporationInventor: Wataru Hoshino
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Patent number: 11467443Abstract: The present application discloses a polarizer and a preparation method thereof and a display device. Embodiments of the present disclosure provides a polarizer, wherein the polarizer includes: a polarizing layer, and a depolarizing layer located on a light emitting side of the polarizing layer; the depolarizing layer includes: nanoparticles, and a reflective part covering the nanoparticles; and the reflective part covering the nanoparticles generates resonance scattering with incident light.Type: GrantFiled: April 14, 2021Date of Patent: October 11, 2022Assignees: Beijing BOE Display Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Yu Zhang, Guangyun Tong, Zhuolong Li, Mingzhe Ye, Bochang Wang
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Patent number: 11460734Abstract: A display device includes a first substrate comprising an insulating film, a first organic layer on the insulating film, and a plurality of pixels arranged in a matrix in an active area. The display device further includes a second substrate comprising a black matrix and a second organic layer stacked on the black matrix. The display device also includes a seal material that attaches the first substrate and the second substrate in a circumference area outside the active area. The first organic layer includes a first opening portion which exposes the insulating film, the second organic layer includes a second opening portion which exposes the black matrix, and the first opening portion and the second opening portion overlap the seal material.Type: GrantFiled: April 19, 2021Date of Patent: October 4, 2022Assignee: JAPAN DISPLAY INC.Inventor: Ayumi Mori
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Patent number: 11409146Abstract: The present disclosure relates to a dual-display digital cluster for use with a vehicle, which includes a plastic lens having a plurality of curvatures, super retardation films (SRFs) adhered to a plurality of positions on a rear surface of the plastic lens by using an optically clear adhesive (OCA), a plurality of liquid crystal displays (LCDs) each adhered to rear surfaces of the super retardation films by using an optically clear resin (OCR), a carrier bezel configured to be assembled to a rear side of the plastic lens, to support the plurality of LCDs closely, and to prevent the plastic lens from being deformed, a rear cover assembled to a rear side of the carrier bezel, and at least one printed circuit board (PCB) disposed between the carrier bezel and the rear cover.Type: GrantFiled: October 6, 2020Date of Patent: August 9, 2022Assignee: HYUNDAI MOBIS CO., LTD.Inventor: Joung Hoon Lee
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Patent number: 11397349Abstract: The present invention provides a backlight module and a method of regulating transmittance thereof. The backlight module includes: a substrate; a plurality of miniature light emitting diodes (mini-LEDs) disposed on the substrate at intervals; a polymer network liquid crystal layer disposed above the plurality of mini-LEDs, wherein the polymer network liquid crystal layer is a multilayered structure or a single-layered structure; and an optical functional layer disposed above the polymer network liquid crystal layer.Type: GrantFiled: September 5, 2019Date of Patent: July 26, 2022Inventor: Fancheng Liu
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Patent number: 11397353Abstract: A display panel, a display module, and a display device are provided. The display panel includes a total reflection display unit and a frame enclosing the reflective display unit. The frame includes a light-shielding portion and a reflective layer. The light-shielding portion has a first surface parallel to a first direction and a second surface oppositely located to the first surface. The reflective layer covers the first surface or the second surface. The reflective layer can reflect the light irradiated on the surface of the light shielding portion or entering the light shielding portion back to the total reflection display unit again, avoiding the waste caused by the scattered light caused by the propagation path of the light, thereby improving the utilization rate of light.Type: GrantFiled: April 13, 2021Date of Patent: July 26, 2022Assignee: JRD Communication (Shenzhen) LTD.Inventors: Ping Chen, Ke Lin, Yang Yu, Jitao Ma, Yafang Xi
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Patent number: 11391986Abstract: A display apparatus includes a display panel configured to display an image; a light source module provided behind a rear surface of the display panel and configured to emit light to the display panel, the light source module including a glass substrate and a light source provided behind a rear surface of the glass substrate; and a rear chassis covering the display panel and the light source module, wherein the light source is provided between the glass substrate and the rear chassis.Type: GrantFiled: January 29, 2021Date of Patent: July 19, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sungho Kim, Chanhong Park, Junghyun Yoon, Hyojae Jang, Sungho Choi
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Patent number: 11372274Abstract: The present disclosure provides a display device and a frame for the display device, which relate to display technologies. The display device includes an optical film layer, a frame and a positioning member. The optical film layer is provided with a positioning hole. The frame is provided with a first supporting surface for supporting the optical film layer and a first positioning groove opened on the first supporting surface. The positioning member penetrates through the positioning hole and is fixed to the first positioning groove.Type: GrantFiled: June 26, 2019Date of Patent: June 28, 2022Assignees: K-Tronics (Suzhou) Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guangning Hao, Tao Ni, Yaojun Sun
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Patent number: 11333916Abstract: According to one embodiment, a display device includes a first substrate and a second substrate. The first substrate includes a first area including a display portion, a second area adjacent to the first area, and an organic film. The second substrate has a substrate end along a boundary between the first area and the second area, and overlaps the first area. The first substrate includes an alignment film located in the display portion, terminals located in the second area and connected to a signal source, and a first groove formed in the organic film and located between the substrate end of the second substrate and the terminals in the second area. The terminals are arranged in a first direction. The first groove extends in the first direction along the terminals.Type: GrantFiled: February 1, 2021Date of Patent: May 17, 2022Assignee: JAPAN DISPLAY INC.Inventors: Tomokazu Ishikawa, Hitomi Hasegawa, Masashi Shishikura