Patents Examined by Lucy P. Chien
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Patent number: 11846851Abstract: A display panel includes: a first substrate and a second substrate which are oppositely disposed. The first substrate may include one or more light-emitting unit, and the second substrate may include two or more reflective electrodes. All first reflective electrodes in the display panel are capable of reflecting light emitted by the light-emitting unit to a first view zone, and all second reflective electrodes are capable of emitting the light emitted by the light-emitting unit to a second view zone.Type: GrantFiled: October 20, 2020Date of Patent: December 19, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Yanliu Sun, Pengxia Liang, Shiyu Zhang, Ge Shi, Zheng Fang, Yuyao Wang, Meina Yu, Jiahui Han
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Patent number: 11828958Abstract: A display device and a manufacturing method thereof are provided. The display device includes a display panel and an optical modulation component on a light-emitting side of the display panel; the display panel includes multiple pixel units, the optical modulation component includes multiple optical modulation units in one-to-one correspondence with the multiple pixel units, and each optical modulation unit includes multiple prisms; and the prism is configured to refract light emitted from the corresponding pixel units so that the refracted light exits at a preset angle.Type: GrantFiled: December 26, 2019Date of Patent: November 28, 2023Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bin Wan, Min Li, Yuanhong Peng, Ruilin Bi
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Patent number: 11822167Abstract: A display module and a display device are provided in the embodiments of the present disclosure. The display module includes a display panel, the display panel includes a first surface and a second surface opposite to each other, at least one of the first surface and the second surface is a display surface, and the display module further includes an optical modulation structure arranged on at least one of the first surface and the second surface of the display panel. The optical modulation structure includes: a first transparent substrate and a second transparent substrate arranged opposite to each other, a charged particle arranged between the first transparent substrate and the second transparent substrate, and a first transparent electrode structure arranged between the first transparent substrate and the second transparent substrate and configured to form an electric field for driving the charged particle to move.Type: GrantFiled: March 10, 2021Date of Patent: November 21, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiuyun Chen, Lingyu Sun, Jingjun Du, Peng Zhong, Tingxiu Hou, Jian Zhao, Min Wang, Fei Liang
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Patent number: 11822204Abstract: An electronic paper package structure, including a substrate, an electronic ink layer, a cover plate, a water vapor barrier film and an adhesive layer, is provided. The electronic ink layer is disposed on the substrate. The cover plate covers the electronic ink layer. The water vapor barrier film covers the substrate and the electronic ink layer. The adhesive layer is directly bonded between the cover plate and the water vapor barrier film to seal the substrate and the electronic ink layer. The adhesive layer is not bonded between the cover plate and the electronic ink layer.Type: GrantFiled: March 9, 2021Date of Patent: November 21, 2023Assignee: E INK HOLDINGS INC.Inventors: Jen-Shiun Huang, Huang-Kai Shen, Ko-Fan Tu
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Patent number: 11809053Abstract: An electrical color control film includes: an underlying layer located on a metal plate; a first transparent conductive layer located on the underlying layer; an electrochromic layer located on the first transparent conductive layer; and a second transparent conductive layer located on the EC layer. The EC layer is configured in such a manner that color of the EC layer is controlled by electricity.Type: GrantFiled: March 21, 2022Date of Patent: November 7, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuki Murai, Shinji Tani
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Patent number: 11796871Abstract: A highly reliable display device is provided. In a flexible display device including at least a first display region and a second display region, at least a portion of a wiring provided in the first display region or the second display region has a meandering shape or a chain-like shape. Since the wiring has a meandering shape or a chain-like shape, a short-circuit, a disconnection, or the like of the wiring due to curving or bending of the display device does not occur easily. The wiring having a meandering shape or a chain-like shape can prevent defective operation, lowered reliability, or the like of the display device.Type: GrantFiled: July 28, 2021Date of Patent: October 24, 2023Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Daisuke Kubota, Hideki Uochi
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Patent number: 11796879Abstract: Provided are an array substrate, a display panel, and a display device. The array substrate includes a base substrate, a thin-film transistor disposed on one side of the base substrate, a pixel electrode, and at least two color resist layers disposed between the TFT and the pixel electrode. A medium layer is disposed between any two adjacent color resist layers. The pixel electrode is electrically connected to a first electrode of the thin-film transistor through a via.Type: GrantFiled: June 22, 2020Date of Patent: October 24, 2023Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Jiao Gao, Yingzhang Qiu, Limin Lin, Xiaoli Liu, Yongjin Teng
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Patent number: 11789328Abstract: The present invention provides a liquid crystal display panel and an alignment method of the liquid crystal display panel. By inputting a voltage equal to a pixel voltage into data black-matrix less (DBS) electrodes at a gray scale 255, rotation of liquid crystals at the DBS electrodes can be consistent with rotation of liquid crystals at the pixel electrodes during an alignment process. Therefore, the present invention improves brightness at the DBS electrodes of the liquid crystal display panel at the gray scale 255, and increases light transmittance of the liquid crystal display panel.Type: GrantFiled: May 31, 2021Date of Patent: October 17, 2023Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yue Xu, Yani Chen
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Patent number: 11782309Abstract: A high dynamic range display includes a light source, a first display and a second display. The light source is configured to generate a backlight. The first display is aligned with the light source and has multiple first pixels. Each first pixel is configured to selectively pass and block the backlight. The second display is aligned with the first display and has multiple second pixels. A particular pixel is controlled to pass the backlight at a first transmit level. The particular pixel corresponds with an aligned pixel of the first pixels controlled to pass the backlight at a second transmit level and a multiple parallax pixels controlled to pass the backlight. The second transmit level is based on the first transmit level. The second transmit level offsets leakage of the backlight through the second display at the first transmit level to produce a high dynamic range final image.Type: GrantFiled: February 24, 2020Date of Patent: October 10, 2023Assignee: Visteon Global Technologies, Inc.Inventor: Paul Fredrick Luther Weindorf
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Patent number: 11774816Abstract: A display device with a high aperture ratio is provided. The display device includes, in a pixel, a first transistor, a second transistor, a first insulating layer, a second insulating layer, a conductive layer, a pixel electrode, a layer containing a liquid crystal material, and a common electrode. The first insulating layer is positioned over a channel formation region of the first transistor. The conductive layer is positioned over the first insulating layer. The second insulating layer is positioned over the first transistor, the second transistor, the first insulating layer, and the conductive layer. The pixel electrode is positioned over the second insulating layer, the layer containing a liquid crystal material is positioned over the pixel electrode, and the common electrode is positioned over the layer containing a liquid crystal material. The common electrode overlaps with the conductive layer with the layer containing a liquid crystal material and the pixel electrode therebetween.Type: GrantFiled: October 22, 2019Date of Patent: October 3, 2023Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Koji Kusunoki, Susumu Kawashima, Daisuke Kubota, Tetsuji Ishitani, Akio Yamashita
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Patent number: 11774798Abstract: A light-emitting device includes a board on which light sources are disposed; a sectioning member including a ridge part having segments that configures a grid pattern, and a wall part surrounding the light sources, and extending from the ridge part toward the board such that an interval between two adjacent portions of the wall part joining along the ridge part becomes wider toward the board; and one or more integrated circuits configured to drive the light sources. The sectioning member and the integrated circuits are disposed on the same side of the board as the light sources. A space is defined between the back surface of the sectioning member and the board. One of the one or more integrated circuits is square or rectangular, and overlaps an intersection of segments of the ridge part, such that the sides are oblique with respect to the ridge part.Type: GrantFiled: August 1, 2022Date of Patent: October 3, 2023Assignee: NICHIA CORPORATIONInventor: Koichiro Sonobe
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Patent number: 11762240Abstract: A side-edge type surface light emitting apparatus includes: a light guide plate having a first light emitting surface, a light distribution controlling surface, and a light incident surface; a light source; an upper prism sheet disposed on the upper side of the light guide plate, the upper prism sheet having multiple first prisms on a lower side and a second light emitting surface on an upper side; and a first lower prism sheet disposed on the lower side of the light guide plate, the first lower prism sheet having multiple second prims on an upper side and a first flat surface on a lower side.Type: GrantFiled: July 8, 2022Date of Patent: September 19, 2023Assignee: STANLEY ELECTRIC CO., LTD.Inventors: Lingwei Goh, Yoji Oki
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Patent number: 11762248Abstract: The present invention provides a light control film, including: a first transparent substrate; a first transparent electrode layer; a light control layer which contains a liquid crystal compound, and which enables switching between a light transmitting state and a light scattering state in accordance with a voltage to be applied; a second transparent electrode layer; and a second transparent substrate in the stated order, wherein the first transparent substrate has a front retardation of 50 nm or less, wherein the second transparent substrate has a front retardation of 50 nm or less, and wherein the light control film has a total light transmittance of from 85% to 99% in the light transmitting state.Type: GrantFiled: April 12, 2019Date of Patent: September 19, 2023Assignee: NITTO DENKO CORPORATIONInventors: Masanori Otsuka, Hiroyuki Takemoto, Mariko Hirai, Jin Yoshikawa, Akiko Sugino
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Patent number: 11762235Abstract: A backlight module and a display device are disclosed. The backlight module includes a light emitting element array including a plurality of light emitting elements that emit blue light; a quantum dot film disposed on a light-emergent side of the light emitting element array and having a middle area and an edge area, the edge area surrounding the middle area; and a light conversion layer disposed on the light-emergent side of the light emitting element array, wherein an orthographic projection of the light conversion layer on the quantum dot film is located in the edge area of the quantum dot film, a material of the light conversion layer includes a first light conversion material configured to emit red light under excitation of light from the light emitting element and a second light conversion material configured to emit green light under excitation of light from the light emitting element.Type: GrantFiled: March 30, 2020Date of Patent: September 19, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhiqiang Wang, Fangyu Song, Xin Ma, Qiuli Wang, Jianfeng Yao, Chuan Sun
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Patent number: 11733569Abstract: According to one embodiment, a liquid crystal display apparatus includes a display region including a plurality of display pixels arrayed in a matrix, an array substrate including a plurality of first electrodes which are arrayed in a matrix, second electrodes which are arranged on the same layer as a layer of the first electrodes and connect the first electrodes to each. other, and third electrodes which are arrayed in a matrix on the first electrodes and the second electrodes, a countersubstrate which is arranged to face the array substrate, and a liquid crystal layer which is interposed between the array substrate and the countersubstrate.Type: GrantFiled: June 23, 2022Date of Patent: August 22, 2023Assignee: Japan Display Inc.Inventors: Takashi Doi, Toshihiro Ninomiya
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Patent number: 11719985Abstract: A non-mechanical liquid crystal tunable filter (LCTF) assembly capable of switching between a multi-conjugate filter mode and a conformal filter mode is described. The non-mechanical LCTF architecture can include a plurality of LCTF components that each comprises a first optical filter comprising a first optical axis, a second optical filter comprising a second optical axis, wherein the second optical axis is rotated 90° relative to the first optical axis, and a first twisted nematic cell positioned between the first optical filter and the second optical filter, the first twisted nematic cell configured to polarize received light by 90° when a voltage is not applied and not polarize the received light when the voltage is applied. The non-mechanical LCTF assembly is configured to switch between a conformal filter mode and a multi-conjugate filter mode based on whether the voltage is applied to each of the plurality of LCTF components.Type: GrantFiled: July 19, 2022Date of Patent: August 8, 2023Assignee: ChemImage CorporationInventors: Lei Shi, George Ventouris
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Patent number: 11714322Abstract: The present invention provides a display panel and a manufacturing method Thereof. The display panel includes a plurality of sub-pixel regions distributed in an array. Each of the sub-pixel regions includes a primary pixel region and a secondary pixel region arranged adjacently. Each of the sub-pixel regions is provided with a color resist. The color resist disposed in the secondary pixel region is provided with a first hollowed-out portion, so that a thickness of the color resist disposed in the secondary pixel region is less than a thickness of the color resist disposed in the corresponding primary pixel region, and brightness of the secondary pixel region is less than brightness of the corresponding primary pixel region.Type: GrantFiled: February 20, 2020Date of Patent: August 1, 2023Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Hanting Tang
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Patent number: 11698555Abstract: A liquid crystal display device according to FFS technology is provided, which sufficiently provides a common electrode with common electric potential and improves an aperture ratio of pixels. A pixel electrode is formed of a first layer transparent electrode. A common electrode made of a second layer transparent electrode is formed above the pixel electrode interposing an insulation film between them. The common electrode in an upper layer is provided with a plurality of slits. The common electrode extends over all the pixels in a display region. An end of the common electrode is disposed on a periphery of the display region and connected with a peripheral common electric potential line that provides a common electric potential Vcom. There is provided neither an auxiliary common electrode line nor a pad electrode, both of which are provided in a liquid crystal display device according to a conventional art.Type: GrantFiled: October 12, 2020Date of Patent: July 11, 2023Assignee: Japan Display Inc.Inventors: Tomohide Onogi, Yasuo Segawa
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Patent number: 11698552Abstract: According to one embodiment, an illumination device comprises a plurality of light emitting elements that are disposed on a main surface of a wiring board, a light diffusion distance maintaining layer, a wavelength conversion layer, and a prism sheet, wherein the main surface of the wiring board is divided into a plurality of segment regions, n (n>1) light emitting elements are provided in each of the segment regions, the light emitting elements are independently driven in units of the segment regions, and a thickness of the light diffusion distance maintaining layer is ½ times or more a pitch of the segment regions adjacent to each other.Type: GrantFiled: August 24, 2022Date of Patent: July 11, 2023Assignee: Japan Display Inc.Inventor: Takashi Ota
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Patent number: 11693286Abstract: The present disclosure provides a COA substrate and a liquid crystal display panel, the COA substrate comprises a plurality of crisscrossed data lines and scan lines, and a pixel unit composed of the data lines and the scan lines. The pixel unit is divided into an opening region of the pixel unit and a non-opening region of the pixel unit. The data lines, the scan lines, transistor units, a data line black matrix less (DBS) common electrode line, and a pixel through-hole are electrically connected to the transistor unit, which are disposed in the non-opening region. The DBS common electrode line in the non-opening region of the pixel unit bypasses the pixel through-hole.Type: GrantFiled: January 1, 2020Date of Patent: July 4, 2023Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTDInventors: Qi Zhang, Wu Cao