Patents Examined by Dung T. Nguyen
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Patent number: 12085817Abstract: A display device according to an example includes a first power sharing line disposed to be parallel with a first direction, first and second pixels disposed along a second direction crossing the first direction with the first power sharing line interposed therebetween, and a second power sharing line disposed to be parallel with the first power sharing line with any one of the first and second pixels interposed therebetween.Type: GrantFiled: July 30, 2021Date of Patent: September 10, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Daeyoung Seo, Hun Jang, Soyoung Lee
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Patent number: 12085834Abstract: An electrically tunable liquid crystal lens includes a carrier substrate, a common electrode layer disposed on the carrier substrate, a liquid crystal unit, a patterned electrode layer, a terminal electrode layer, a dielectric insulating layer, and a cover. The liquid crystal unit is disposed on the common electrode layer opposite to the carrier substrate, and includes a plurality of liquid crystal molecules. The patterned electrode layer is disposed on the liquid crystal unit opposite to the common electrode layer, and has a plurality of aperture patterns located within a projection of the liquid crystal unit on the patterned electrode layer. The terminal electrode layer is disposed on the patterned electrode layer opposite to the liquid crystal unit. The dielectric insulating layer is disposed between the patterned electrode layer and the terminal electrode layer. The cover is disposed on the terminal electrode layer opposite to the dielectric insulating layer.Type: GrantFiled: June 12, 2023Date of Patent: September 10, 2024Assignee: National Yang Ming Chiao Tung UniversityInventors: Yi-Hsin Lin, Ting-Wei Huang, Wei-Cheng Cheng, Chang-Nien Mao
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Patent number: 12078891Abstract: According to one embodiment, a liquid crystal device includes a first liquid crystal cell and a second liquid crystal cell. The first liquid crystal cell and the second liquid crystal cell each include a first strip electrode, a second strip electrode, a third strip electrode and a fourth strip electrode. The extension direction of each of the first strip electrode and the second strip electrode in the first liquid crystal cell is different from the extension direction of each of the first strip electrode and the second strip electrode in the second liquid crystal cell. The extension direction of each of the first strip electrode and the second strip electrode is orthogonal to the extension direction of each of the third strip electrode and the fourth strip electrode.Type: GrantFiled: September 12, 2023Date of Patent: September 3, 2024Assignee: Japan Display Inc.Inventors: Kojiro Ikeda, Takeo Koito, Koichi Nagao, Shinichiro Tanaka
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Patent number: 12078880Abstract: According to an aspect, a liquid crystal panel includes: a light-transmitting first substrate; a light-transmitting second substrate disposed facing the first substrate with a liquid crystal interposed between the first substrate and the second substrate; a conductive layer provided on the first substrate on a side facing the liquid crystal and comprising wiring lines or electrodes; an insulating layer stacked on the conductive layer on a side facing the liquid crystal; a first electrode layer stacked on the insulating layer on a side facing the liquid crystal; a second electrode layer provided on the second substrate on a side facing the liquid crystal; and a switch capable of opening and closing a coupling path between the first electrode layer and a reset potential. A sheet resistance of the first electrode layer is higher than a sheet resistance of the conductive layer and a sheet resistance of the second electrode layer.Type: GrantFiled: June 5, 2023Date of Patent: September 3, 2024Assignee: JAPAN DISPLAY INC.Inventors: Shunichi Kimura, Toshiharu Matsushima
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Patent number: 12072584Abstract: The invention provides an electronic device, including a substrate, a semiconductor layer, a light blocking layer, and a spacer. The semiconductor layer is disposed on the substrate and has a channel area. The light blocking layer is disposed between the substrate and the channel area. The spacer is disposed on the semiconductor layer. The light blocking layer overlaps with the spacer and the channel area. The electronic device of the embodiment of the invention may have an enhanced opening rate.Type: GrantFiled: May 4, 2023Date of Patent: August 27, 2024Assignee: Innolux CorporationInventors: Chia-Hao Tsai, Ming-Jou Tai
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Patent number: 12072588Abstract: A display device includes a substrate including a display area and a peripheral area surrounding the display area, a plurality of pads in a first direction of the peripheral area of the substrate and in a second direction perpendicular to the first direction, and a circuit film on the pads. Each of the pads includes a signal line on the substrate, a first dummy pattern on the substrate and spaced apart from the signal line in the first direction, and a first insulating pattern between the signal line and the first dummy pattern on the substrate.Type: GrantFiled: May 28, 2021Date of Patent: August 27, 2024Assignee: Samsung Display Co., Ltd.Inventors: Yoo Jeong Lee, Hyunseop Song, Hakbum Choi
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Patent number: 12072597Abstract: Provided are a reflection film, which enables high visible light transmittance, an increase in the brightness of a display image, and favorable transparency of an external tint, a windshield glass, and a head-up display system. The reflection film includes a selective reflection layer formed of a cholesteric liquid crystal layer with a cholesteric liquid crystalline phase immobilized. In each of a wavelength range of 400 nm or more and less than 500 nm and a wavelength range of 500 nm or more and less than 600 nm, a maximum value of a natural light reflectivity is 10% to 25%, the greatest difference between the greatest maximum value and the smallest minimum value of the natural light reflectivity is 3% or more, and a total value of wavelength bandwidths in a region where a reflectivity is higher than an average value of the maximum value and the minimum value of the natural light reflectivity is 20 nm to 80 nm.Type: GrantFiled: June 8, 2023Date of Patent: August 27, 2024Assignee: FUJIFILM CorporationInventors: Akihiro Anzai, Shusuke Arita
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Patent number: 12066725Abstract: A display device includes a display panel including a display area in which pixels are placed to display an image, and a non-display area located around the display area; and a cover window including a light blocking area overlapping the non-display area of the display panel in a thickness direction of the display panel, and a through hole penetrating through the light blocking area, wherein the display panel further includes a first power supply line located in the non-display area to apply a first power supply voltage, and wherein the first power supply line does not overlap the through hole in the thickness direction of the display panel.Type: GrantFiled: July 14, 2020Date of Patent: August 20, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sang Hoon Lee, Seung Min Song, Min Joo Kim, Tae Woo Kim, Jong Hyun Choi
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Patent number: 12066733Abstract: A display device includes a substrate including a display area including a plurality of main pixels, and a sensor area including a plurality of auxiliary pixels and a plurality of transmission portions; and a plurality of wirings arranged along edges of the plurality of transmission portions and electrically connecting the plurality of auxiliary pixels to each other. The plurality of wrings includes a first directional wirings extending in a first direction and arranged in a second direction crossing the first direction, and a second directional wirings extending in the second direction and arranged in the first direction, and a wiring adjacent to the transmission portion from among the first directional wirings includes a first extension portion.Type: GrantFiled: July 13, 2020Date of Patent: August 20, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sung Jin Hong, Sang Hoon Kim, Tae Hoon Yang, Seung Chan Lee
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Patent number: 12066709Abstract: A display area formed in an overlapping area of a TFT substrate and a counter substrate, a terminal area formed on the TFT substrate in which the counter substrate does not overlap, and a side of the counter substrate adjacent to the terminal area extending in a first direction, in which a basic potential terminal to be connected to a basic potential, and terminal wirings are formed in the terminal area, an IC driver is installed on the terminal area, an upper polarizing plate having a transparent conductive adhesive is adhered to the counter substrate, the upper polarizing plate extends in a direction perpendicular to the first direction, and covers a part of the terminal area, the basic potential terminal is electrically connected with the transparent conductive adhesive of the upper polarizing plate via a conductive element, and the upper polarizing plate covers the driver IC.Type: GrantFiled: December 15, 2022Date of Patent: August 20, 2024Assignee: Japan Display Inc.Inventors: Shota Hasegawa, Shinichiro Tanaka
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Patent number: 12066699Abstract: A two-dimensionally extensive optical element having a light entry side and a light exit side. The optical element includes alternating transparent first regions and second regions having materials with different first refractive indices and second refractive indices. The first refractive index is higher than the second refractive index. First layers and second layers which are opaque or are switchable to be opaque are arranged at the light entry surfaces and light exit surfaces of the second regions. When the layers are opaque, the propagation directions of light passing through the optical element are limited compared to layers which are switched to be transparent.Type: GrantFiled: October 11, 2021Date of Patent: August 20, 2024Assignee: siOPTICA GmbHInventors: Andreas Bregulla, André Heber, Markus Klippstein
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Patent number: 12066740Abstract: A meta-optical device, which imparts a phase delay to incident light of a wavelength band, includes: a first electrode and a second electrode spaced apart from each other; a liquid crystal layer between the first electrode and the second electrode; a meta-surface layer located within the liquid crystal layer and including a plurality of nanostructures each having a shape dimension smaller than a center wavelength of the wavelength band; and a voltage device configured to apply a voltage between the first electrode and the second electrode. The meta-optical device may exhibit an electrically controlled variable focal length.Type: GrantFiled: December 15, 2021Date of Patent: August 20, 2024Assignees: SAMSUNG ELECTRONICS CO., LTD., Cornell UniversityInventors: Kanghee Won, Maxim Radikovich Shcherbakov, Hongseok Lee, Melissa Bosch, Gennady Shvets
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Patent number: 12061388Abstract: An integrated stereoscopic image display device is provided. The integrated stereoscopic image display device includes a display, a lens array layer, and a baffle layer. The display has a display surface and an image computing unit, and the lens array layer is disposed adjacent to the display surface. The baffle layer includes a plurality of baffles that extend along a first inclined direction, and each of the baffles has a rotation angle. The baffles are inclined to the display surface and extend along a second inclined direction, and each of the baffles has an inclination angle.Type: GrantFiled: September 26, 2022Date of Patent: August 13, 2024Assignee: LIXEL INC.Inventors: Chih-Hung Ting, Wei-An Chen, Hsin-You Hou, Chih-Wei Shih, Kuan-Yu Chen
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Patent number: 12061398Abstract: A light control sheet includes transparent electrodes including a first and second transparent electrode layers, a light control layer, a transparent support layer, and a covering layer. The transparent support layer has a support surface supporting the first transparent electrode layer, the first transparent electrode layer includes a first electrode element and a second electrode element aligned along the support surface and electrically insulated from each other by a groove extending in a direction along the support surface of the transparent support layer and that the groove is penetrating through the transparent support layer and the first transparent electrode layer in a depth direction of the groove and has an opening on the protected surface of the transparent support layer, and the covering layer is formed such that the covering layer is covering the opening of the groove formed in the transparent support layer and the first transparent electrode layer.Type: GrantFiled: May 15, 2023Date of Patent: August 13, 2024Assignee: TOPPAN Inc.Inventor: Toshiji Yasuhara
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Patent number: 12055825Abstract: A display device includes a display panel including a plurality of display pads, a portion of the plurality of display pads being extended along a first direction and arranged along a second direction intersecting the first direction, and a flexible circuit board including a plurality of substrate pads electrically connected to the plurality of display pads, and a plurality of dummy pads spaced apart from the plurality of substrate pads and arranged in parallel to the plurality of substrate pads along the second direction, a portion of the plurality of dummy pads have an extension length in the first direction and a width in the second direction substantially same as an extension length in the first direction and a width in the second direction, respectively, of the plurality of substrate pads.Type: GrantFiled: April 9, 2021Date of Patent: August 6, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eunbyul Kim, Daegeun Lee, Sukho Choi
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Patent number: 12055826Abstract: An electro-optical device includes a liquid crystal panel, and a printed circuit board that is electrically coupled to a terminal portion of the liquid crystal panel by electrically conductive particles arranged in a state of being aligned as viewed in plan view, wherein the terminal portion has a plurality of panel terminals arranged along a first direction extending along one side of the liquid crystal panel, the panel terminal has a long side extending along a second direction obliquely intersecting with the first direction and a short side extending along a direction intersecting with the second direction, and an arrangement direction of the electrically conductive particles is arranged along a third direction intersecting with the second direction.Type: GrantFiled: August 17, 2021Date of Patent: August 6, 2024Assignee: SEIKO EPSON CORPORATIONInventor: Shinsuke Fujikawa
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Patent number: 12044931Abstract: A display device has a display area and a terminal area, the terminal area being formed on the TFT area, in which the counter substrate does not overlap, a driver IC being disposed on the terminal area, a first heat dissipation plate being adhered to a back of the TFT substrate in a portion corresponding the terminal area, a second cover glass being disposed on the counter substrate, a first edge being disposed at an edge of the second cover glass, an LED as a light source being disposed at a second edge, which is an opposing edge to the first edge of the lens, a second heat dissipation plate, on which the lens and the LED are disposed, being disposed at a second cover glass side, in which the lens, the LED and the second heat dissipation plate are fixed to the TFT substrate through the first heat dissipation plate.Type: GrantFiled: May 10, 2023Date of Patent: July 23, 2024Assignee: JAPAN DISPLAY INC.Inventors: Yuta Wakabayashi, Yasuyuki Hanazawa, Michikazu Noguchi, Ryou Shimmen
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Patent number: 12044932Abstract: According to one embodiment, a liquid crystal device includes a first liquid crystal cell and a second liquid crystal cell. The first liquid crystal cell and the second liquid crystal cell each include a first strip electrode, a second strip electrode, a third strip electrode and a fourth strip electrode. The extension direction of each of the first strip electrode and the second strip electrode in the first liquid crystal cell is different from the extension direction of each of the first strip electrode and the second strip electrode in the second liquid crystal cell. The extension direction of each of the first strip electrode and the second strip electrode is orthogonal to the extension direction of each of the third strip electrode and the fourth strip electrode.Type: GrantFiled: September 12, 2023Date of Patent: July 23, 2024Assignee: Japan Display Inc.Inventors: Kojiro Ikeda, Takeo Koito, Koichi Nagao, Shinichiro Tanaka
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Patent number: 12044915Abstract: An information handling system display may include a display panel cell, a mold frame, and a chip-on-film. The chip-on-film may be coupled to the display panel cell. The chip-on-film may include one or more protrusions. A first portion of the chip-on-film may be adjacent to the one or more protrusions across a width of a first surface of the chip-on-film. The one or more protrusions may be in contact with a mold frame of the display. The first portion of the chip-on-film adjacent to the one or more protrusions may not be in contact with the mold frame of the display.Type: GrantFiled: September 17, 2020Date of Patent: July 23, 2024Assignee: Dell Products L.P.Inventors: Guentaek Oh, BongJun Lee
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Patent number: 12038656Abstract: A display device including a display area configured to display an image, a first non-display area disposed adjacent to the display area, a second non-display area disposed adjacent to the first non-display area, and a first driving voltage line disposed in the first non-display area and the second non-display area, the first driving voltage line being configured to be applied with a first driving voltage and includes a first sub-driving voltage line including first holes, and a second sub-driving voltage line disposed on the first sub-driving voltage line and including second holes, in which the second holes include first sub-holes and second sub-holes having a different size than the first sub-holes.Type: GrantFiled: June 23, 2021Date of Patent: July 16, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyung Chul Lim, Yang Hee Kim, So Yeon Park, Sang Hun Oh, Sung Woo Jung