Patents Examined by Angela K Davison
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Patent number: 11644728Abstract: A display panel and a display device are disclosed. 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 as different layers.Type: GrantFiled: June 1, 2022Date of Patent: May 9, 2023Assignee: HKC CORPORATION LIMITEDInventor: Chunhui Yang
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Patent number: 11641761Abstract: The present disclosure provides a black matrix and a method for manufacturing the same, and a color filter substrate and a method for manufacturing the same. The method for manufacturing the black matrix includes: providing a substrate; forming a sacrificial layer on the substrate, the sacrificial layer including a plurality of sacrificial patterns; forming a light shielding film layer on the sacrificial layer, wherein the light shielding film layer includes a plurality of first light shielding patterns and a plurality of second light shielding patterns, and each of the second light shielding patterns and an adjacent first light shielding pattern are separated by the sacrificial pattern; removing the sacrificial layer and the second light shielding pattern and forming the black matrix.Type: GrantFiled: March 16, 2021Date of Patent: May 2, 2023Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventor: Jian Li
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Patent number: 11630353Abstract: According to one embodiment, a display device includes a substrate, a switching element provided on the substrate and including a relay electrode, a first electrode provided further away from the substrate than the switching element, a first insulating film provided on the first electrode and having a first thickness, a second electrode provided on the first insulating film, a second insulating film provided on the second electrode and having a second thickness and a third electrode provided on the second insulating film and supplied with a same potential as that of the first electrode. The second thickness is greater than the first thickness.Type: GrantFiled: August 30, 2021Date of Patent: April 18, 2023Assignee: Japan Display Inc.Inventors: Yoshitaka Ozeki, Seiji Uejima, Nobutaka Ozaki
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Patent number: 11630339Abstract: A display element according to an embodiment of the present technology includes an optical control layer and a lens layer. The optical control layer modulates incident light for each pixel. The lens layer includes an incident surface, a plurality of refractive lenses disposed for each pixel, and a plurality of diffractive lenses disposed for each pixel to face the plurality of refractive lenses, and emits light incident from the incident surface and passing through the plurality of refractive lenses and the plurality of diffractive lenses to the optical control layer.Type: GrantFiled: December 24, 2019Date of Patent: April 18, 2023Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventor: Yoshiaki Kouyama
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Patent number: 11624832Abstract: An illumination device includes a display panel including a first surface on which an image is displayed, a second surface opposite to the first surface, display pixels interposed between the first surface and the second surface, and a transmitting window interposed between the first surface and the second surface. The illumination device further includes a light source disposed on a side of the second surface of the display panel, and emitting light toward the second surface, and a light transmitter interposed between the light source and the display panel, and transmitting the emitted light to the transmitting window, the transmitted light being incident on the second surface of the display panel and being transmitted through the transmitting window toward the first surface of the display panel. The illumination device further includes a diffuser diffusing the light transmitted through the transmitting window.Type: GrantFiled: June 7, 2019Date of Patent: April 11, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seunghoon Han, Jangwoo You, Byunghoon Na
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Patent number: 11626578Abstract: An electronic device may be provided with a display mounted in a housing. The display may have an array of display pixels that provide image light to a user. The array of display pixels may form an active display structure with a rectangular shape. The rectangular active display structure may be surrounded by an inactive border region. Optical structures such as a sheet of glass or another optical member may have portions that are configured to bend light from the display pixels along the periphery of the active display structure. The optical member may have an area that is larger than the area of the active display structure, so that the presence of the optical member may serve to enlarge the apparent size of the display. Solidified liquid polymer may be used to support the optical structures and may be interposed between the optical structures and the active display structures.Type: GrantFiled: September 22, 2021Date of Patent: April 11, 2023Assignee: Apple Inc.Inventors: Tseng-Mau Yang, Christopher D. Prest, Dale N. Memering
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Patent number: 11614661Abstract: A display device includes a display region, a peripheral region around the display region, a sealing portion provided in the peripheral region to seal the liquid crystal layer, and a liquid crystal supply portion provided at a part of the sealing portion and interconnecting an outside of the sealing portion and the display region. The liquid crystal supply portion is provided along one side of the peripheral region. The peripheral region includes a first peripheral region located between the display region and the sealing portion. An insulating film is removed in the first peripheral region. In the first peripheral region, a plurality of second spacer members and a plurality of third spacer members to support the plurality of second spacer members are provided.Type: GrantFiled: March 25, 2022Date of Patent: March 28, 2023Assignee: Japan Display Inc.Inventors: Koji Kitamura, Yoshihide Ohue, Kentaro Okuyama, Hiroya Morimoto, Masato Kesho
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Patent number: 11609458Abstract: 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: June 22, 2022Date of Patent: March 21, 2023Assignee: JAPAN DISPLAY INC.Inventor: Hideki Shiina
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Patent number: 11573458Abstract: To improve the display quality of a display device, the display device includes a display section and a frame section surrounding a periphery of the display section. A substrate in the display device includes a conductor pattern constituting a circuit section and an insulating film serving as an organic film covering the conductor pattern. The insulating film extends to a peripheral edge of the substrate. A slit, which penetrates the insulating film in a thickness direction, is formed in a corner part of the insulating film. The slit is formed at a position not overlapping the circuit section.Type: GrantFiled: May 4, 2022Date of Patent: February 7, 2023Assignee: Japan Display Inc.Inventors: Koichi Igeta, Hirotaka Imayama
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Patent number: 11567374Abstract: The displacement between a TFT substrate and a counter substrate and the cut of an alignment film caused by a columnar spacer are prevented. A liquid crystal display device includes: a TFT substrate including a scanning line extending in a first direction, a picture signal line extending in a second direction, a pixel electrode formed in a region surrounded by the scanning line and the picture signal line, and a common electrode formed as opposed to the pixel electrode through an insulating film; a counter substrate disposed as opposed to the TFT substrate and having a spacer; and a liquid crystal sandwiched between the substrates. A common metal interconnection is formed to cover the picture signal line or the scanning line, and stacked on the common electrode. A through hole is formed on the common metal interconnection. The tip end of the spacer is disposed inside the through hole.Type: GrantFiled: January 20, 2022Date of Patent: January 31, 2023Assignee: Japan Display Inc.Inventors: Masateru Morimoto, Saori Sugiyama, Motoharu Miyamoto
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Patent number: 11550091Abstract: A phase difference compensation element, including: a transparent substrate; a first optical anisotropic layer that includes an inorganic material, and has a C-plate retardance; and a second optical anisotropic layer that includes an inorganic material, and includes an oblique angle vapor deposition film that does not have an O-plate retardance, wherein the phase difference compensation element including the first optical anisotropic layer and the second optical anisotropic layer in combination has a quasi-O-plate retardance.Type: GrantFiled: October 27, 2020Date of Patent: January 10, 2023Assignee: DEXERIALS CORPORATIONInventor: Junichi Sugawara
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Patent number: 11543574Abstract: A wave plate 1 according to an embodiment includes a first birefringent substrate 10 including a first main surface and an optical axis 13 in a first direction; a second birefringent substrate 20 disposed over the first birefringent substrate 10 and including a second main surface and an optical axis 23 in a second direction; and a third birefringent substrate 30 disposed over the second birefringent substrate 20 and including a third main surface and an optical axis 33 in a third direction. The first birefringent substrate 10 and the second birefringent substrate 20 are made of the same kind of birefringent material. The first main surface, the second main surface, and the third main surface are disposed in parallel to one another. The first direction and the second direction are parallel to the first main surface and the second main surface.Type: GrantFiled: February 17, 2020Date of Patent: January 3, 2023Assignee: THE JAPAN STEEL WORKS, LTD.Inventors: Kengo Ogawa, Shinya Yamada, Hiroaki Yokota
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Patent number: 11543706Abstract: A processing method for a color film substrate, the color film substrate comprising a substrate, a photoresist layer, a conductive layer and a spacer layer. The photoresist layer is disposed on the substrate; the conductive layer is disposed on the photoresist layer and completely covers the photoresist layer; and the spacer layer is disposed on the conductive layer. The method comprises: detecting the spacer layer; determining whether the spacer layer meets a preset condition; if the spacer layer meets the preset condition, removing the spacer layer using a rework liquid medicine so as to expose the conductive layer; and re-preparing a spacer layer on the exposed conductive layer, wherein the etching selection ratio of the spacer layer to the conductive layer is greater than 1.Type: GrantFiled: November 29, 2018Date of Patent: January 3, 2023Assignee: HKC Corporation LimitedInventor: Huailiang He
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Patent number: 11537004Abstract: A transparent displaying base plate and a transparent displaying device. The transparent displaying base plate includes a displaying layer (2) and a liquid-crystal grating layer (3) provided on one side of the displaying layer (2), the displaying layer (2) includes black matrixes (15) and displaying regions (A) defined by the black matrixes (15), the liquid-crystal grating layer (3) is provided with a backlight unit on one side that is further away from the displaying layer (2), and the backlight unit includes a backlight layer for exiting backlight light rays to the displaying layer (2), and at least a light focusing layer for focusing the backlight light rays directly facing the positions of the displaying regions (A) to the black matrixes (15).Type: GrantFiled: June 8, 2020Date of Patent: December 27, 2022Assignee: BOE Technology Group Co., Ltd.Inventors: Xiandong Meng, Jifeng Tan, Wei Wang, Qiuyu Ling, Xiaochuan Chen
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Patent number: 11531221Abstract: According to one embodiment, a display device includes a first substrate and a second substrate. The first substrate includes a first switching element, a second switching element, a first organic insulating layer, a second organic insulating layer, a third organic insulating layer, a first connection electrode electrically connected to the first switching element, a second connection electrode electrically connected to the first connection electrode, a pixel electrode electrically connected to the second connection electrode, and a photoelectric conversion element electrically connected to the second switching element.Type: GrantFiled: May 17, 2021Date of Patent: December 20, 2022Assignee: Japan Display Inc.Inventors: Kazuhide Mochizuki, Makoto Uchida
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Patent number: 11526054Abstract: A display device includes: a first substrate, including: a gate line having an extension direction; a switch unit electrically connecting to the gate line; a pixel electrode electrically connecting to the switch unit; and a slit in the pixel electrode, wherein a virtual line parallel to the extension direction passes through an end point of the slit which is closest to the gate line, and the pixel electrode is divided into a first portion and a second portion by the virtual line, wherein the first portion is closer to the gate line than the second portion, the first portion and the second portion respectively have a first width and a second width along the extension direction, the first width is a maximum width of the first portion, the second width is a maximum width of the second portion, and the second width is less than the first width.Type: GrantFiled: July 8, 2021Date of Patent: December 13, 2022Assignee: INNOLUX CORPORATIONInventors: Shun-Chen Yang, Ying-Tong Lin
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Patent number: 11513398Abstract: A display panel is provided. The display panel includes: a first substrate structure and a second substrate structure. The first substrate structure has an overlapping region and two protruding regions between which the overlapping region is disposed. The second substrate structure is disposed opposite to the first substrate structure and includes a main spacer and a sub spacer. The main spacer overlaps the overlapping region of the first substrate structure. The first height difference between the overlapping region and one of the two protruding regions is greater than zero and less than the thickness of the sub spacer.Type: GrantFiled: April 20, 2021Date of Patent: November 29, 2022Assignee: Innolux CorporationInventors: Luca Hung, Lynn Kuo
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Patent number: 11513385Abstract: A color conversion element and a display device including the same are provided. The color conversion element includes: a base substrate in which a first region and a second region are defined; a color conversion layer on the base substrate, in the first region, and including color conversion particles configured to convert a wavelength of incident light; and a color light transmitting layer on the base substrate and in the second region; wherein each of the color conversion particles includes a compound represented by Formula 1 (AmBnXl - - - (1)), where, in Formula 1, A is Cs, Rb, or an alloy thereof; B is at least one of Cu, Sb, Ge, Sn, and Bi, or an alloy thereof; m, n, and l are each an integer of 1 to 9; and X is at least one of F, Cl, Br, and I, or a mixture thereof.Type: GrantFiled: May 15, 2019Date of Patent: November 29, 2022Assignee: Samsung Display Co., Ltd.Inventors: Kyoung Won Park, Min Ki Nam, Sung Woon Kim, Dong Han Song
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Patent number: 11500250Abstract: A display device is provided and includes first signal line between first and second pixel areas in first direction; first switching element in first pixel area, first switching element including first relay electrode in first pixel area; second switching element in second pixel area, second switching element including second relay electrode in second pixel area; first pixel electrode in the first pixel area; and second pixel electrode in second pixel area, wherein first pixel electrode includes first connector, second pixel electrode includes second connector, first and second connectors are arranged in first direction with first signal line interposed therebetween, gap width between first connector and first signal line is different from gap width between first signal line and second connector, and gap width between first relay electrode and first signal line is different from gap width between first signal line and second relay electrode.Type: GrantFiled: December 23, 2020Date of Patent: November 15, 2022Assignee: Japan Display Inc.Inventors: Mitsufumi Sogabe, Yoshitaka Ozeki, Nobutaka Ozaki
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Patent number: 11476320Abstract: A light emitting diode display comprises a first panel, which comprises: a first layer having a substrate a second layer having a plurality of pixel circuits disposed on a first surface of the substrate; a plurality of light emitting diodes electrically connected to the pixel circuits; and a driver circuit communicatively coupled to the pixel circuits by at least one electrically conductive via traveling through the first layer; an edge of the panel having a non-emitting space having a length less than a length of a non-emitting space within the panel.Type: GrantFiled: April 26, 2021Date of Patent: October 18, 2022Assignee: V-Finity, Inc.Inventor: Heng Liu