Patents Examined by Angela K Davison
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Patent number: 11467430Abstract: A light source device with a safety mechanism includes a wavelength converting device and a laser light source configured to provide a laser beam. The wavelength converting device includes a substrate facing toward the laser light source, an optical converting layer disposed on the substrate, and a safety examination layer disposed on one side of the optical converting layer. After the laser beam passes through the safety examination layer, the laser beam enters the optical converting layer. The safety examination layer includes a first conductive film arranged along a first direction and a second conductive film arranged along a second direction. The first conductive film and the second conductive film intersect each other.Type: GrantFiled: February 25, 2020Date of Patent: October 11, 2022Assignee: TAIWAN COLOR OPTICS, INC.Inventors: Hsin-An Chen, Shih-Hsin Chang
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Patent number: 11469258Abstract: A display panel and a display device are provided that relate to the field of display technology. The display panel includes a first signal line having a first and a second sub-portions; at least one insulating layer disposed on the first signal line; and a second signal line having a third and a fourth sub-portions disposed on the insulating layer. The second sub-portion and the fourth sub-portion have an overlapping part therebetween, the first sub-portion and the third sub-portion do not overlap each other, the second sub-portion has a varying line width, and at least one edge of the second sub-portion is extended away from a straight line connecting two vertices of the edge so that a distance D between and the straight line and a first point of the edge extending farthest from the straight line is in the range of 0.05 ?m to 0.8 ?m.Type: GrantFiled: June 3, 2021Date of Patent: October 11, 2022Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventor: Wusheng Li
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Patent number: 11454748Abstract: The present invention describes articles comprising a substrate including opposed front and back surfaces, wherein the front surface and the back surface each comprise surface structures that are randomly oriented on each surface, wherein the front surface and the back surface each have a surface roughness and a gloss value, and wherein the surface roughness of the front surface does not equal the surface roughness of the back surface and/or the gloss value of the front surface does not equal the gloss value of the back surface. Display system stacks utilizing the described articles are also provided.Type: GrantFiled: November 12, 2019Date of Patent: September 27, 2022Assignee: Europtec USA, Inc.Inventors: Darren K. Huckaby, Andreas Ruefenacht, Eric S. Miller, David L. Soberanis
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Patent number: 11448905Abstract: A semiconductor device according to the present invention includes a substrate, an active layer provided on the substrate, a cladding layer provided on the active layer, a contact layer provided on the cladding layer, the contact layer having an upper surface, a back surface which is a surface on an opposite side to the upper surface, and a side surface connecting the upper surface and the back surface, the contact layer is larger in width than the cladding layer; and an electrode that is in contact with the upper surface of the contact layer and the side surface of the contact layer from an upper end to a lower end of the side surface of the contact layer.Type: GrantFiled: November 17, 2017Date of Patent: September 20, 2022Assignee: Mitsubishi Electric CorporationInventor: Kazuyuki Onoe
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Patent number: 11435625Abstract: This application discloses a display panel and a display device. The display panel includes an Au ball fixing area and a boundary area, where the boundary area is provided on one side of the Au ball fixing area adjacent to a display area; and a surface of the Au ball fixing area is lower than a surface of the boundary area.Type: GrantFiled: November 21, 2018Date of Patent: September 6, 2022Assignee: HKC CORPORATION LIMITEDInventor: Jia-Ren Lin
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Patent number: 11435513Abstract: A wire grid polarizer (WGP) can include an array of support-ribs on a substrate. Sides of the support-ribs can be inclined to one side. A wire can be applied on an upper-side and distal end of each support-rib, each wire being separate from wires on adjacent support-ribs. The WGP can be made with reduced or no etching.Type: GrantFiled: August 13, 2020Date of Patent: September 6, 2022Assignee: Moxtek, Inc.Inventors: R. Stewart Nielson, Bradley R. Williams, Bob West
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Patent number: 11435512Abstract: Each wire of a wire grid polarizer (WGP) can include the following layers moving outwards from the substrate: a high-index-layer, a low-index-layer, and a reflective-layer. Each wire can have a distal-end, farthest from the substrate, with a convex shape. These layers and the convex shape can be combined for a more stable and improved Rs.Type: GrantFiled: July 2, 2020Date of Patent: September 6, 2022Assignee: Moxtek, Inc.Inventors: R. Stewart Nielson, Bradley R. Williams
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Patent number: 11422398Abstract: According to one embodiment, a display device includes a first transparent substrate including a first main surface and a second main surface, a second transparent substrate including a third main surface, pixels arrayed in a matrix, a sealant surrounding the pixels without a break, a polymer dispersed liquid crystal layer sealed by the sealant, a third transparent substrate including a first end portion and bonded to the first main surface, and first light sources opposed to the first end portion.Type: GrantFiled: December 14, 2020Date of Patent: August 23, 2022Assignee: Japan Display Inc.Inventor: Makoto Miyao
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Patent number: 11409156Abstract: An optical device, comprising: —a first electrode layer; —a second electrode layer provided at a distance from the first electrode layer; —the first and second electrode layer being light transmitting; wherein the optical device further comprises, in between the first and the second electrode layers: o a diffractive optical element adjacent to the first electrode layer and comprising at least one sloped surface; and o a liquid crystalline material filling a space between the sloped surface and the second electrode layer; the liquid crystalline material having a pretilt that compensates for a slope angle of the at least one sloped surface.Type: GrantFiled: August 24, 2018Date of Patent: August 9, 2022Assignee: SIHTO N.V.Inventors: Jelle De Smet, Paul Wilfried Cecile Marchal, Peter Cirkel
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Patent number: 11402702Abstract: A display apparatus includes a display panel and a switching panel disposed outside the display panel. The switching panel includes a first base, a first electrode, a second electrode, a second base, a third electrode, a fourth electrode and a liquid crystal layer. The first electrode and the second electrode are disposed on the first base. The first electrode has branches, and the branches of the first electrode are arranged in a first direction. The second base is disposed opposite to the first base. The third electrode and the fourth electrode are disposed on the second base. The third electrode has branches, and the branches of the third electrode are arranged in a second direction, and the first direction is interlaced with the second direction. The liquid crystal layer is disposed between the first base and the second base.Type: GrantFiled: July 9, 2020Date of Patent: August 2, 2022Assignee: Au Optronics CorporationInventors: Kun-Cheng Tien, Chien-Huang Liao, Cian-Rou Wu, Chin-An Lin, Wei-Cheng Cheng
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Patent number: 11402555Abstract: A display panel, a manufacturing method therefor and a display device are provided. The display panel includes a first substrate and color resists. An alignment film is formed on outer surfaces of the color resists. The first substrate includes a display color resist region and a dummy color resist region. A channel depth of the dummy color resist region is smaller than a channel depth of the display color resist region.Type: GrantFiled: October 31, 2018Date of Patent: August 2, 2022Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITEDInventor: Chuan Wu
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Patent number: 11397355Abstract: A liquid crystal display device is provided and includes first substrate having first and second surfaces; a liquid crystal layer; and spacers arranged between first and second surfaces, spacers including first spacer section protruding from first surface toward second surface and second spacer section protruding from second surface toward first surface, second spacer section being opposed to first spacer section with gap, or being in contact with the first spacer section, wherein spacers are arrayed in first direction and second direction crossing first direction, and spacers are connected to at least one adjacent spacer via connection section.Type: GrantFiled: March 29, 2021Date of Patent: July 26, 2022Assignee: Japan Display Inc.Inventor: Morikazu Nomura
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Patent number: 11397356Abstract: According to one embodiment, a display device includes a first drain electrode, a first insulating film which is organic, a first metal electrode in contact with the first drain electrode in a first through-hole of the first insulating film, a second insulating film which is organic, a first transparent electrode in contact with the first metal electrode in a second through-hole of the second insulating film and formed of a transparent conductive material, a third insulating film which is inorganic, a pixel electrode in contact with the first transparent electrode in a third through-hole of the third insulating film and a metal wire located between the first insulating film and the second insulating film and formed of a material identical to that of the first metal electrode.Type: GrantFiled: April 19, 2021Date of Patent: July 26, 2022Assignee: JAPAN DISPLAY INC.Inventor: Hideki Shiina
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Patent number: 11391997Abstract: A display panel and a display device are provided. The display panel includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate comprises a substrate, an array structure layer, a color resist layer, a pixel electrode layer, and a column spacer layer. The column spacer layer includes at least one spacer column, the color resist layer includes at least one supporting color resist block supporting the spacer column, a supporting compensation block is disposed on one side of any of the supporting color resist blocks, the supporting compensation block is disposed on the array structure layer, and the spacer column is disposed on the supporting color resist block and the supporting compensation block.Type: GrantFiled: April 28, 2020Date of Patent: July 19, 2022Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Munan Lin, Bangyin Peng, Ilgon Kim
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Patent number: 11385733Abstract: A touch control display panel having a subpixel region and an inter-subpixel region is provided. The touch control display panel includes an array substrate and a counter substrate facing the array substrate. The counter substrate includes a base substrate; a first black matrix layer on the base substrate; a plurality of touch electrodes on the base substrate; and a second black matrix layer on a side of the plurality of touch electrodes away from the first black matrix layer. The first black matrix layer, the second black matrix layer, and the plurality of touch electrodes are limited in the inter-subpixel region. Orthographic projections of the first black matrix layer and the second black matrix layer on the base substrate substantially cover an entirety of an orthographic projection of the plurality of touch electrodes on the base substrate.Type: GrantFiled: June 25, 2019Date of Patent: July 12, 2022Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Guiyu Zhang, Zouming Xu, Tsungchieh Kuo, Chen Huang
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Patent number: 11385507Abstract: According to one embodiment, an electro-optical device includes a panel, a sealant, a liquid crystal layer, a light source and a reflective layer. The panel includes first and second transparent substrates, an electro-optical area and a peripheral area. The seal is provided in the peripheral area and adheres the substrates. The liquid crystal layer contains a polymer liquid crystal composition. The light source opposes a side surface of the first or second substrates. The reflective layer is between the substrates. The panel includes a first edge, and the reflective layer overlaps a portion of the sealant, located along the first edge.Type: GrantFiled: December 4, 2020Date of Patent: July 12, 2022Assignee: JAPAN DISPLAY, INC.Inventors: Yasuhiro Takahashi, Yuji Maede
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Patent number: 11378857Abstract: The present application discloses a display panel and a display device. The display panel is divided into a display area and a non-display area. The non-display area is located at a periphery of the display area. A retaining wall structure configured to block an alignment liquid is disposed between the display area and the non-display area, and the retaining wall structure surrounds the display area and is connected end to end; the non-display area of the display panel includes a fan-out area, and the retaining wall structure includes a metal layer. The metal layer of the retaining wall structure and a metal layer of the fan-out area are formed at different layers.Type: GrantFiled: November 27, 2018Date of Patent: July 5, 2022Assignee: HKC CORPORATION LIMITEDInventor: Chunhui Yang
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Patent number: 11372281Abstract: A display panel includes: a substrate, a pixel layer and a sensing layer. The pixel layer is disposed on the substrate. The pixel layer includes pixel units arranged in an array. The sensing layer is disposed on one side of the substrate away from the pixel layer or disposed on one side of the substrate close to the pixel layer and is configured to convert a received optical signal into an electrical signal.Type: GrantFiled: November 29, 2019Date of Patent: June 28, 2022Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventor: Quanhua He
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Patent number: 11366360Abstract: A display panel and a manufacturing method for display panel are disclosed. The display panel including: a first substrate, a second substrate, first protrusions, and second protrusions. A gap is disposed between the adjacent first protrusions and the adjacent second protrusions, and the first protrusions and the second protrusions are inserted into the gap corresponding to each other to form a fastening interlock structure. The fastening interlock structure effectively releases a bending stress formed by the bending of the panel and protects the display panel.Type: GrantFiled: November 5, 2019Date of Patent: June 21, 2022Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Bingkun Yin
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Patent number: 11360303Abstract: A head up display system is provided and includes an image source, an image adjustment device, a controller, and a reflector. The image source is adapted to output an image with an image light traveling in a light path. The image adjustment device is positioned on the light path of the image light, wherein the image adjustment device comprises a liquid crystal panel. The controller is adapted to control the image adjustment device. The reflector is adapted to reflect the image light passing through the image adjustment device to a projection screen. A display method of a head up display system is also provided in the disclosure.Type: GrantFiled: June 30, 2021Date of Patent: June 14, 2022Assignee: Himax Display, Inc.Inventor: Kuan-Hsu Fan-Chiang