Patents Examined by Michael H. Caley
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Patent number: 11513386Abstract: A color filter and a manufacturing method thereof, and a display device are provided. The color filter includes a color filter substrate, a plurality of sub-pixel regions, wherein each of the sub-pixel regions includes a first signal region, a second signal region, and a laser path disposed between the first signal region and the second signal region, a first light-shielding sheet disposed on the first signal region and covered with a first indium tin oxide layer, and a second light-shielding sheet disposed on the second signal region and covered with a second indium tin oxide layer. Wherein, the first signal region receives signals through the first indium tin oxide layer, and the second signal region receives signals through the second indium tin oxide layer, therefore improving the problem of signal transmission delay caused by the regional signal impedance difference of the indium tin oxide layer.Type: GrantFiled: December 18, 2019Date of Patent: November 29, 2022Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Wei Ren
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Patent number: 11506922Abstract: A light modulating device including: a light transmissive plate having a curved surface; a light modulating cell; and an optically transparent adhesive film which is disposed between the curved surface of the light transmissive plate and the light modulating cell and attaches one side of the light modulating cell to the curved surface of the light transmissive plate.Type: GrantFiled: March 8, 2021Date of Patent: November 22, 2022Assignee: DAI NIPPON PRINTING CO., LTD.Inventor: Yusuke Hagiwara
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Patent number: 11506925Abstract: A liquid crystal display device includes a first liquid crystal display panel including a first light-transmitting substrate (thickness T2?0.3 mm), a substrate, a first liquid crystal, a first polarizing plate having a second main surface that is adhered to the first light-transmitting substrate; an adhering layer provided on a first main surface of the first polarizing plate; and a second light-transmitting substrate (thickness T3?0.3 mm) adhered to the first main surface by the adhering layer (thickness T1?0.15 mm). An adhesion parameter ? is 1.04 or less when a maximum height of an unevenness of the first main surface 0.0005 mm or less, and the adhesion parameter ? is 0.43 or less when the maximum height of the unevenness of the first main surface is greater than 0.0005 mm and 0.001 mm or less.Type: GrantFiled: December 18, 2020Date of Patent: November 22, 2022Assignees: TIANMA JAPAN, LTD., Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Jin Matsushima, Tetsuroh Asakura, Yukie Keicho
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Patent number: 11480821Abstract: A display apparatus according to a concept of the disclosure includes: a display panel displaying an image in a front direction; a middle mold causing the display panel to be rested at a first position; and a chassis coupled with the middle mold in the front direction of the display panel, wherein the middle mold includes a restricting rib for restricting the display panel from departing from the first position and restricting the display panel from moving in a side direction, and the chassis includes a pressing rib being in an inclined shape and pressing the display panel toward the first position when the chassis is coupled with the middle mold in the state in which the display panel departs from the first position.Type: GrantFiled: December 12, 2019Date of Patent: October 25, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ik Hwan Kim, Kyoung Youn Lee
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Patent number: 11448935Abstract: A liquid crystal display (LCD) device and an organic light-emitting diode (OLED) display device are disclosed. The LCD device includes a base substrate, a display module, and a liquid crystal lens layer. The display module includes a fingerprint recognition sensor. The OLED display device includes a base substrate, a fingerprint recognition sensor, a two-layered liquid crystal lens layer, and an OLED display. The liquid crystal lens layer is configured to be switchable between a non-lens state and a lens state. By adopting liquid crystal lenses with holes, utilization of reflected light reflected by a fingerprint can be improved and imaging quality can be optimized.Type: GrantFiled: December 19, 2019Date of Patent: September 20, 2022Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Guowei Zha, Fancheng Liu
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Patent number: 11435607Abstract: A liquid crystal composite material is disclosed, including a polymer matrix, and a light-blocking body dispersed in the polymer matrix, wherein when no voltage is applied, the light-blocking body is randomly oriented so that the liquid crystal composite material is in a black state, and wherein when a voltage is applied, the light-blocking body is orderly oriented and the polymer matrix scatters incident light, so that the liquid crystal composite material is in a scattering state. A light switching device, a display device and methods for manufacturing the liquid crystal composite material, the light switching device, and the display device are further disclosed.Type: GrantFiled: July 6, 2020Date of Patent: September 6, 2022Assignees: Beijing BOE Technology Development Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventor: Wenbo Li
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Patent number: 11409154Abstract: A display device includes a first substrate; a second substrate covering the first substrate; a liquid crystal layer between the first substrate and the second substrate; a plurality of pixels on the first substrate; and a light blocking member disposed on at least one of the first substrate and the second substrate, the light blocking member disposed in a curved area and defining a display area and a non-display area. The plurality of pixels includes a first pixel outside the curved area; and a second pixel in the curved area, and a pixel electrode of the first pixel has a different shape from a shape of a pixel electrode of the second pixel.Type: GrantFiled: February 26, 2019Date of Patent: August 9, 2022Inventors: Changil Tae, Seungjun Yu, Younggoo Song
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Patent number: 11402676Abstract: A viewing angle switchable display apparatus including a display panel, an electrically controlled viewing angle switching device, an electrically controlled light scattering switching device, and a backlight module is provided. The electrically controlled viewing angle switching device includes two first transparent substrates, two first transparent conductive layers, a liquid crystal layer, and a first polarizer located on a side of the electrically controlled viewing angle switching device which is far away from the display panel. The liquid crystal layer includes liquid crystal molecules, and optical axes of the liquid crystal molecules are parallel or perpendicular to a transmission axis of the first polarizer. The electrically controlled light scattering switching device is located between the display panel and the backlight module and includes two second transparent substrates, two second transparent conductive layers, and an electronically controlled polymer material layer.Type: GrantFiled: November 30, 2017Date of Patent: August 2, 2022Assignee: Coretronic CorporationInventors: Chung-Yang Fang, Wen-Chun Wang, Ping-Yen Chen, Hsiung-Chun Hsu, Chien-Hui Lee
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Patent number: 11397347Abstract: A color filter substrate, a manufacturing method thereof and a display device are disclosed. The color filter substrate includes a base substrate and a plurality of filter units located on the base substrate. Each filter unit includes a photonic crystal layer configured to transmit light of one color, and includes a first photonic crystal sub-layer and a second photonic crystal sub-layer that are stacked in a direction perpendicular to the base substrate.Type: GrantFiled: June 26, 2019Date of Patent: July 26, 2022Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lin Wang, Yongzhi Song, Ruirui Wang, Huabin Chen, Xingliang Li, Yang Liu, Yingqiang Gao
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Patent number: 11397290Abstract: A filter structure and a method for manufacturing the same, and a display device. The filter structure includes a base substrate and a plurality of filter units positioned on the base substrate, at least part of the filter units including a quantum dot filter layer. The filter units further include a reflective structure whose orthographic projection on the base substrate surrounds the orthographic projection of the quantum dot filter layer on the base substrate. A distance between a plane of the reflective structure away from the base substrate and the base substrate is greater than a distance between a plane of the quantum dot filter layer close to the base substrate and the base substrate.Type: GrantFiled: December 13, 2019Date of Patent: July 26, 2022Assignee: BOE Technology Group Co., Ltd.Inventors: Xiaoxin Song, Feng Zhang, Wenqu Liu, Zhijun Lv, Liwen Dong, Zhao Cui, Qi Yao
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Liquid crystal display panel, array substrate, opposite substrate, and liquid crystal display device
Patent number: 11391998Abstract: A liquid crystal display panel includes a first substrate and a second substrate that are disposed opposite to each other; the liquid crystal display panel has a display region and at least one non-display region disposed beside the display region. One of the first substrate and the second substrate includes a plurality of protrusions disposed in the at least one non-display region, and the other of the first substrate and the second substrate includes a plurality of grooves disposed in the at least one non-display region, each protrusion of the plurality of protrusions is corresponding to one groove of the plurality of grooves, and the protrusion is matched with the corresponding groove.Type: GrantFiled: December 13, 2019Date of Patent: July 19, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hui Li, Xinyin Wu, Yong Qiao, Jianbo Xian -
Patent number: 11390053Abstract: A display device in one example includes a display panel, a supporting frame supporting the display panel, and an adhesive between the display panel and the supporting frame. The supporting frame includes a case, and a thermal shape changing part constituting a portion of the case. The thermal shape changing part includes a shape memory material.Type: GrantFiled: October 2, 2017Date of Patent: July 19, 2022Assignee: LG DISPLAY CO., LTD.Inventors: A-Ram Sohn, Jae-Chul Hwang, Won-Bong Jang, Hye-Ran Park
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Patent number: 11378726Abstract: The present disclosure provides a filter structure, a filter layer and a display panel. The filter structure includes a first transflective layer, a second transflective layer and a transparent film between the first transflective layer and the second transflective layer. The filter structure is configured to make light of a specific wavelength range in incident light incident from the first transflective layer into the filter structure be emergent from the second transflective layer by adjusting at least one of a thickness and the refractive index of the transparent film, a thickness and the refractive index of the first transflective layer, and a thickness and the refractive index of the second transflective layer, and make a transmittance of the light of the specific wavelength range be not less than 90%, by adjusting at least one of the thickness, the refractive index, and an extinction coefficient of the second transflective layer.Type: GrantFiled: January 23, 2019Date of Patent: July 5, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xianqin Meng, Wei Wang, Xiaochuan Chen
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Patent number: 11378719Abstract: An article is described herein that includes: a translucent substrate comprising opposing major surfaces; and an optical film structure disposed on a first major surface of the substrate, the optical film structure comprising an outer surface and a plurality of periods such that each period comprises an alternating low refractive index layer and high refractive index layer. The article exhibits a hardness of 10 GPa or greater measured at an indentation depth of about 100 nm by a Berkovich Indenter Hardness Test. Further, the article exhibits a single side average photopic light reflectance of at least 50% of non-polarized light as measured at the outer surface from near-normal incidence to an incident angle of 60 degrees over a portion of at least 10 nm within the visible spectrum. In addition, each low refractive index layer comprises SiO2 or doped-SiO2 and each high refractive index layer comprises AlOxNy, SiOxNy, SiuAlvOxNy, SiNx or ZrO2.Type: GrantFiled: August 27, 2020Date of Patent: July 5, 2022Assignee: Corning IncorpratedInventors: Jaymin Amin, Shandon Dee Hart, Karl William Koch, III, Carlo Anthony Kosik Williams, Thien An Thi Nguyen
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Patent number: 11360336Abstract: Provided is a privacy protection film. The privacy protection film includes a transparent base substrate, a light control layer disposed on the transparent base substrate and including a plurality of optical pattern structures each having an upwardly protruding prism shape, a first electrode disposed on the light control layer, a second electrode spaced apart from the first electrode, and a variable light diffusion layer disposed between the first electrode and the second electrode and formed of a polymer dispersed liquid crystal (PDLC).Type: GrantFiled: December 22, 2020Date of Patent: June 14, 2022Assignee: LG DISPLAY CO., LTD.Inventors: Seong-Il Kim, Sooyoun Kim, Junehwan Kim, Seokho Lee, Youngwook Ha
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Patent number: 11353768Abstract: A hybrid lens includes a transmissive adaptive liquid lens and an optical element including liquid crystals. The adaptive liquid lens includes a layer of optical fluid on a substrate. A focal length of the adaptive liquid lens is adjustable. The optical element including liquid crystals is optically coupled with the adaptive liquid lens. The optical element including liquid crystals is configured to adjust a refractive index across the optical element including liquid crystals in conjunction with adjusting the focal length of the adaptive liquid lens so that the optical element reduces optical artifacts caused by the adaptive liquid lens.Type: GrantFiled: December 29, 2020Date of Patent: June 7, 2022Assignee: Facebook Technologies, LLCInventors: Lu Lu, Andrew John Ouderkirk, Scott Charles McEldowney
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Patent number: 11346996Abstract: According to one embodiment, a display device includes a first substrate, a second substrate opposed to the first substrate and including an end portion, a liquid crystal layer provided between the first substrate and the second substrate and including a polymer in a shape of a streak and a liquid crystal molecule, a light-emitting element having a light emitting portion opposed to the end portion, and a light guide located between the end portion and the light emitting portion.Type: GrantFiled: May 11, 2021Date of Patent: May 31, 2022Assignee: Japan Display Inc.Inventors: Kentaro Okuyama, Yudai Numata
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Patent number: 11342360Abstract: According to an aspect, an array substrate includes a first scan line, a second scan line, and a signal line. A semiconductor film has a coupling portion coupling one end of a first linear portion to one end of a second linear portion. Another end of the first linear portion of the semiconductor film and another end of the second linear portion of the semiconductor film are coupled to the signal line. In a plan view, the semiconductor film is disposed between the first scan line and the second scan line, the first linear portion intersects two first gate electrodes, and the second linear portion intersects two second gate electrodes.Type: GrantFiled: July 14, 2020Date of Patent: May 24, 2022Assignee: Japan Display Inc.Inventor: Tadayoshi Katsuta
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Patent number: 11320690Abstract: A color filter substrate includes: a first base, a first metal wire grid polarizing layer, and first sub-pixel units, second sub-pixel units and third sub-pixel units. The first sub-pixel unit includes a first light conversion pattern emitting light of a second color under excitation of incident light of a first color and a first reflective pattern reflecting the light of the first color and transmitting the light of the second color. The second sub-pixel unit includes a second light conversion pattern emitting light of a third color under the excitation of the incident light of the first color and a second reflective pattern reflecting the light of the first color and transmitting the light of the third color. The third sub-pixel unit is configured to receive the light of the first color and emit light of a fourth color or the light of the first color.Type: GrantFiled: June 17, 2020Date of Patent: May 3, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Meina Yu, Weili Zhao, Mingxing Liu, Rui Li
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Patent number: 11320691Abstract: Provided are a manufacturing method of a display substrate, a display substrate and a display device, which belongs to the field of display technologies. The manufacturing method of the display substrate includes: forming a first planarization layer on a base substrate on which a patterned film layer is formed; forming a first buffer layer on the side, away from the base substrate, of the first planarization layer; forming a second buffer layer on the side, away from the base substrate, of the first buffer layer; and forming a Wire Grid Polarizer (WGP) on the side, away from the base substrate, of the second buffer layer.Type: GrantFiled: July 11, 2019Date of Patent: May 3, 2022Assignee: BOE Technology Group Co., Ltd.Inventors: Jiangnan Lu, Shi Shu, Kang Guo, Qi Yao