Polarizer Patents (Class 349/96)
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Patent number: 12103292Abstract: The present invention provides: a laminate which has excellent moisture-heat resistance and includes a light-absorbing anisotropic layer sandwiched between pressure sensitive adhesive layers; and an image display device using the same. The laminate includes a pressure sensitive adhesive layer, a light-absorbing anisotropic layer, and a pressure sensitive adhesive layer in this order, in which the light-absorbing anisotropic layer contains an organic dichroic substance, a thickness of the light-absorbing anisotropic layer is 5 ?m or less, the pressure sensitive adhesive layer and the pressure sensitive adhesive layer are each a pressure sensitive adhesive layer at a closest position as viewed from the light-absorbing anisotropic layer in the laminate, and H represented by Expression (I) is 10.0 or less.Type: GrantFiled: July 6, 2021Date of Patent: October 1, 2024Assignee: FUJIFILM CorporationInventors: Naoya Shibata, Yuya Hamaguchi, Takehiro Kasahara, Naoki Koito
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Patent number: 12099190Abstract: A waveguide is provided. The waveguide includes a substrate having two outer surfaces for propagating a beam of light in the substrate by reflecting the beam from the two outer surfaces. The waveguide includes at least one polarization volume hologram (PVH) grating to couple light in and/or out of the waveguide. The PVH grating may be a multi-layer PVH grating with graded birefringence.Type: GrantFiled: December 13, 2021Date of Patent: September 24, 2024Assignee: Meta Platforms Technologies, LLCInventors: Sihui He, Maxwell Parsons, Fenglin Peng, Miaomiao Xu, Yang Yang, Yu Shi, Dianmin Lin
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Patent number: 12087807Abstract: A display device includes a first substrate, a first connection line disposed on a surface of the first substrate, a thin film transistor layer disposed on the first connection line, the thin film transistor layer including a plurality of thin film transistors, a first pad portion disposed on another surface of the first substrate, and a plurality of conductive parts disposed in the first substrate, including a material different from those of the first connection line and the first pad portion, and electrically connecting the first connection line and the first pad portion. The plurality of conductive parts include carbon nanotubes.Type: GrantFiled: September 24, 2021Date of Patent: September 10, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Jun Mo Im
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Patent number: 12078897Abstract: The display panel includes: a display substrate, wherein the display substrate includes a color film substrate and an array substrate, a surface of the color film substrate away from the array substrate is provided with a color film polarizer, at least two preset points are provided on the display substrate, the at least two preset points are electrically connected to the color film polarizer, and the at least two preset points are electrically connected to the driving circuit, so as to form at least one first anti-static ring; and at least one grounding line, wherein the at least one grounding line is electrically connected to the array substrate, and electrically connected to the driving circuit, so as to form at least one second anti-static ring surrounding the display substrate. A display device is also provided.Type: GrantFiled: July 27, 2022Date of Patent: September 3, 2024Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jinliang Hu, Chengyong Zhan, Jian Ma, Jingsen Li, Ran Zhang
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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: 12072582Abstract: A transparent substrate for a liquid crystal device includes an alignment layer that regulates an alignment direction of liquid crystal molecules contained in a liquid crystal layer of the liquid crystal device, and a base layer on which the alignment layer is formed. The transparent substrate includes a first surface and a second surface opposite the first surface. The first surface is a surface of the alignment layer, and the second surface is a surface of the base layer. The coefficient of static friction between the first surface and the second surface is less than or equal to 1.3. The transparent substrate has a hardness of F or higher in a pencil harness test on the first surface or on a surface of the base layer opposite the second surface.Type: GrantFiled: October 19, 2023Date of Patent: August 27, 2024Assignee: TOPPAN Inc.Inventors: Yusuke Takahashi, Yuji Kataoka
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Patent number: 12073800Abstract: A stacked-screen display device and a method for controlling a display device are provided. The stacked-screen display device includes a backlight module, a light control panel and a display panel which are stacked in sequence, where the backlight module includes a backplane, a reflector and a diffuser which are stacked in sequence, and the reflector is provided with a plurality of light-emitting units, the backlight module is provided with temperature sensors, the temperature sensors are configured to detect the temperature of the backlight module to compensate the display panel according to the temperature.Type: GrantFiled: November 10, 2021Date of Patent: August 27, 2024Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xin Chen, Kai Diao, Qingna Hou, Meizhen Chen, Hongzhou Xie, Renhui Yu, Ying Tian, Xiaoyang Liu, Hui Yu, Chengkun Liu
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Patent number: 12065078Abstract: Mirrors including reflective backlit displays are described. In particular, mirrors including backlit displays with a backlight, a liquid crystal cell including a liquid crystal layer disposed between two opposing transparent substrate layers, a first reflective polarizer, and a second reflective polarizer are described. The first and second reflective polarizers are each directly laminated to one of the opposing transparent substrate layers. Mirrors described herein may be configured as vehicle rear-view mirrors.Type: GrantFiled: December 6, 2016Date of Patent: August 20, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventor: Kazuhiko Toyooka
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Patent number: 12060010Abstract: A vehicle can include a window including an interior side and an exterior side. The vehicle can include a camera located on an exterior of the vehicle. The camera can be operatively positioned to capture visual data of a blind spot of an external environment of the vehicle. The vehicle can include a dual-sided transparent display forming at least a portion of the window. The vehicle can include a processor operatively connected to the camera and the dual-sided transparent display. The processor can be configured to selectively cause the dual-sided transparent display to display exterior visual information on the exterior side. The processor can be configured to selectively cause the dual-sided transparent to display interior visual information on the interior side. The interior visual information can include the visual data of the blind spot of the vehicle.Type: GrantFiled: June 15, 2021Date of Patent: August 13, 2024Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.Inventors: Sean P. Rodrigues, Hiroshi Ukegawa
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Patent number: 12055812Abstract: A display panel is provided. The display panel includes a base substrate; a bank layer on the base substrate, the bank layer defining a plurality of bank apertures; a quantum dots material layer on the base substrate, the quantum dots material layer comprising a plurality of quantum dots blocks respectively in at least some of the plurality of bank apertures; a barrier coating layer in a respective one of the plurality of bank apertures; and an encapsulating layer on a side of the barrier coating layer closer to the base substrate. At least a portion of the barrier coating layer is in direct contact with a portion of the encapsulating layer.Type: GrantFiled: September 6, 2023Date of Patent: August 6, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Haitao Huang, Shi Shu, Chuanxiang Xu, Liuqing Li, Zhao Cui, Renquan Gu
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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: 12038634Abstract: A cholesteric liquid crystal composite display device includes a cholesteric liquid crystal reflective display device and a transmissive display device. The transmissive display device is located below the cholesteric liquid crystal reflective display device. When the cholesteric liquid crystal reflective display device is displayed in a transparent state, the light transmittance of the cholesteric liquid crystal reflective display device is higher than that of the cholesteric liquid crystal reflective display device when it is displayed in a dark state through a rated driving mode. Thereby, the display of the cholesteric liquid crystal composite display device is made clearer and the display quality is improved.Type: GrantFiled: August 7, 2023Date of Patent: July 16, 2024Assignee: IRIS OPTRONICS CO., LTD.Inventors: Cheng-Hung Yao, Chi-Chang Liao
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Patent number: 12030382Abstract: A vehicle can include a window. The window can include an interior side and an exterior side. The vehicle can include a camera operatively positioned to capture visual data of a portion of an exterior environment of the vehicle. The vehicle can include a dual-sided transparent display forming at least a portion of the window. The vehicle can include a processor operatively connected to the camera and the dual-sided transparent display. The processor can be configured to selectively cause the dual-sided transparent display to display exterior visual information on the exterior side. The processor can be configured to cause the dual-sided transparent display to display interior visual information on the interior side. The interior visual information can include the visual data of the portion of the exterior environment of the vehicle.Type: GrantFiled: June 15, 2021Date of Patent: July 9, 2024Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.Inventors: Sean P. Rodrigues, Frederico Marcolino Quintao Severgnini, Ercan Mehmet Dede
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Patent number: 12008970Abstract: A display device is provided. The display device includes a mirror display, a three-dimensional camera positioned toward a front direction of the mirror display, and a controller configured to detect facial contours of a user from three-dimensional face images of the user photographed at at least two different time points by the three-dimensional camera, identify a change of the facial contours between the two time points based on the detected facial contours, and control the mirror display to display information about the change of the facial contours.Type: GrantFiled: April 22, 2022Date of Patent: June 11, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Hyunjoon Choo, Hyunsoo Jeong, Jonghwa Choi, Jongjin Ko, Kwangyoun Kim, Jangwoo Lee, Kyungah Chang
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Patent number: 11991900Abstract: An organic light emitting diode display is provided. The organic light emitting diode display comprises an organic light emitting diode panel, a quarter-wavelength retarder disposed on the organic light emitting diode panel, a polarizer disposed on the quarter-wavelength retarder, an adhesive layer disposed on the polarizer and a diffraction grating film adhered to the polarizer by the adhesive layer. The diffraction grating film comprises a substrate and a first diffraction grating layer comprising a plurality of first gratings aligned with a first direction disposed on the substrate.Type: GrantFiled: May 19, 2021Date of Patent: May 21, 2024Assignee: BenQ Materials CorporationInventors: Wei-Feng Xu, Cyun-Tai Hong, Chen-Kuan Kuo
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Patent number: 11988933Abstract: According to one embodiment, a display device includes a display panel configured to modulate a first polarization component, a first viewing angle control panel including a first liquid crystal layer containing twisted liquid crystal molecules, a second viewing angle control panel including a second liquid crystal layer containing twisted liquid crystal molecules, and a polarization axis rotation element provided between the first viewing angle control panel and the display panel. A second polarization axis of a second polarization component which passed through the first viewing angle control panel is different from a first polarization axis of the first polarization component. The polarization axis rotation element is configured to rotate the second polarization axis.Type: GrantFiled: September 22, 2022Date of Patent: May 21, 2024Assignee: JAPAN DISPLAY INC.Inventor: Toshiharu Matsushima
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Patent number: 11977308Abstract: An electrically controlled birefringence liquid crystal display device performs a normally black display. The display device includes a liquid crystal display panel including a liquid crystal layer and a reflective portion to reflect light that is incident through a display surface of the liquid crystal display panel and that passes through the liquid crystal layer, a first polarizing plate on the display surface, and a half-wavelength plate between the liquid crystal display panel and the first polarizing plate. A phase difference ?nd?1 of the liquid crystal layer is less than a half of a phase difference ?nd?2 of the half-wavelength plate. The phase difference ?nd?2 of the half-wavelength plate indicates a positively dispersive wavelength, and a low axis of the half-wavelength plate intersects with an orientation axis of liquid crystal molecules in the liquid crystal layer under no electric field being applied.Type: GrantFiled: December 14, 2020Date of Patent: May 7, 2024Assignee: Kyocera CorporationInventor: Yuji Soda
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Patent number: 11960178Abstract: According to an aspect, a display device includes: an array substrate comprising a plurality of pixel electrodes; a counter substrate comprising a common electrode in a position at least overlapping the pixel electrodes; a liquid crystal layer between the array substrate and the counter substrate; and a light source disposed so as to emit light into a side surface of the array substrate or a side surface of the counter substrate. The array substrate includes, in a display region: a plurality of signal lines arranged in a first direction with spaces between the signal lines; a plurality of scanning lines arranged in a second direction with spaces between the scanning lines; and common potential wiring provided outside the display region. The counter substrate comprises light-blocking coupling wiring that couples the common electrode to a conductive first power feeding portion.Type: GrantFiled: July 31, 2023Date of Patent: April 16, 2024Assignee: Japan Display Inc.Inventor: Yoshihide Ohue
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Patent number: 11960139Abstract: The present technology relates to a camera module that is enabled to have a lower height. The camera module includes a supporting component that includes an opening through which light from a lens collecting the light passes, the supporting component supporting an optical component between the lens and an imaging element that performs photoelectric conversion of the light, the optical component being placed so as to cover the opening and being supported on a side of the supporting component closer to the imaging element. In addition, around the opening, there is disposed a sloped portion inclined in the thickness direction of the supporting component, and the supporting component is placed such that the slope of the sloped portion and the lens face each other.Type: GrantFiled: February 13, 2019Date of Patent: April 16, 2024Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventor: Eiichiro Dobashi
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Patent number: 11947201Abstract: A liquid crystal device includes a liquid crystal panel including a liquid crystal layer as a first liquid crystal layer, a first polarizing element, a second polarizing element, a first phase difference adjusting element arranged between the first polarizing element and the liquid crystal panel and including a liquid crystal layer as a second liquid crystal layer, a second phase difference adjusting element arranged between the liquid crystal panel and the second polarizing element and including a liquid crystal layer as a third liquid crystal layer, and a first phase difference controlling element driving unit and a second phase difference controlling element driving unit as control units configured to control a value of a voltage applied to the first phase difference adjusting element and the second phase difference adjusting element, based on image data input to the liquid crystal panel.Type: GrantFiled: February 24, 2023Date of Patent: April 2, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Hiroyuki Hosaka, Akihide Haruyama
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Patent number: 11934069Abstract: An optical element includes, sequentially from a viewing surface side toward a back surface side: a viewing-surface-side polarizer; a retarder; and a back-surface-side polarizer, a transmission axis of the viewing-surface-side polarizer and a transmission axis of the back-surface-side polarizer being parallel to each other, the optical element having an average angle ? between an angle ?1 and an angle ?2 of greater than 0° and smaller than 90°, wherein the angle ?1 represents an angle formed by an optical axis of the retarder on a surface close to the back surface with the surface close to the back surface; and the angle ?2 represents an angle formed by an optical axis of the retarder on a surface close to the viewing surface with the surface close to the viewing surface.Type: GrantFiled: August 23, 2022Date of Patent: March 19, 2024Assignee: SHARP DISPLAY TECHNOLOGY CORPORATIONInventors: Akira Sakai, Yuichi Kawahira, Masahiro Hasegawa, Ryosuke Saigusa
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Patent number: 11926126Abstract: The present application realizes an anti-reflection film or the like that is a layered product having low surface reflectivity, excellent thermoformability, and satisfactory abrasion resistance. This anti-reflection film includes: a base material layer including a thermoplastic resin; and a low-refractive-index layer which is stacked on at least one surface of the base material layer and which has a refractive index that is lower than the refractive index of the base material layer, wherein the low-refractive-index layer includes a polymer of a first resin material including a fluorine-containing urethane acrylate and a (meth)acrylate.Type: GrantFiled: February 20, 2019Date of Patent: March 12, 2024Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Fumiaki Kakeya, Yasutaka Fukunaga, Ryota Kato
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Patent number: 11927847Abstract: A display panel and a display device are provided. The display panel includes a light-filtering layer, a color film substrate, a driving substrate, and a reflecting layer. The reflecting layer, the driving substrate, the light-filtering layer, and the color film substrate are stacked in sequence. The light-filtering layer includes a black matrix with multiple second openings, and each of the multiple second openings is filled with one light-filtering sub-pixel. The reflecting layer defines multiple first openings, and each of the multiple first openings is aligned with one second opening.Type: GrantFiled: December 21, 2022Date of Patent: March 12, 2024Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITEDInventors: Ye Wan, Rongrong Li
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Patent number: 11921308Abstract: An object of the present invention is to provide a polarizer with a high degree of alignment and an image display device including the polarizer. The polarizer of the present invention is a polarizer which is formed of a polarizer-forming composition containing a liquid crystal compound, a first dichroic material, and a second dichroic material, in which the first dichroic material and the second dichroic material are aligned horizontally with respect to a surface of the polarizer, the first dichroic material is a compound compatible with the liquid crystal compound, and the second dichroic material is a compound which is not compatible with the liquid crystal compound.Type: GrantFiled: November 17, 2020Date of Patent: March 5, 2024Assignee: FUJIFILM CorporationInventors: Wataru Hoshino, Yuya Hamaguchi
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Patent number: 11924547Abstract: Embodiments of the present disclosure include apparatuses and methods for sensor blocking. In a number of embodiments, a method can include operating a sensor block of an apparatus in a first mode to allow a sensor to receive inputs, and operating the sensor block in a second mode to inhibit the sensor from receiving the inputs. A sensor block can be used to prevent a sensor, such as an image sensor, from receiving an input, such as a light source input, to capture image data. A sensor block can be used to prevent a sensor from capturing image data even when an application causing to the sensor to operate, such as when applications have access to the sensor, but the user of a device is unaware that an application is using the sensor. The sensor block can be used to prevent the sensor from capturing useful images and the sensor can only capture a black image of the sensor block and not the surroundings of the device.Type: GrantFiled: February 24, 2023Date of Patent: March 5, 2024Assignee: Micron Technology, Inc.Inventors: Carla L. Christensen, Zahra Hosseinimakarem, Radhika Viswanathan, Bhumika Chhabra
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Patent number: 11914236Abstract: The liquid crystal display device of the present invention includes an active matrix substrate including a first electrode, a first insulating layer, and second electrodes including a first linear electrode; a color filter substrate including a black matrix, a color filter layer, a third electrode including second linear electrodes, and a fourth electrode which is a floating electrode. The third electrode and the fourth electrode are disposed between the black matrix and the liquid crystal layer. The second linear electrodes extend in a second direction and each overlap a portion of the black matrix extending in the second direction. The fourth electrode is disposed between the second linear electrodes and overlaps the black matrix in a plan view. The control circuit switches between application of driving voltage and application of constant voltage to the third electrode.Type: GrantFiled: January 3, 2023Date of Patent: February 27, 2024Assignee: Sharp Display Technology CorporationInventors: Koji Murata, Hiroshi Tsuchiya, Shinpei Higashida, Takahiro Sasaki, Takashi Satoh, Shinji Shimada
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Patent number: 11908869Abstract: An electronic device is disclosed, which includes: a substrate; a first metal layer, disposed on the substrate and having a first hole; a second metal layer, disposed on the substrate and having a second hole; a light detecting element for detecting a light passing through the first hole and the second hole; a transistor, disposed on the substrate; and a light shielding layer, disposed between the substrate and the transistor.Type: GrantFiled: January 12, 2023Date of Patent: February 20, 2024Assignee: INNOLUX CORPORATIONInventors: Chandra Lius, Kuan-Feng Lee
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Patent number: 11906840Abstract: Optical film stacks are described. More particularly, optical film stacks including a half-wave retardation layer are described. Achromatic half-wave retardation layers, including achromatic half-wave layers formed from a quarter-wave and a three-quarters-wave retardation layer, are described. Film stacks including reflective polarizers tuned to reduce wavelength dispersion of the half-wave retardation layer are also described.Type: GrantFiled: October 19, 2022Date of Patent: February 20, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Sun-Yong Park, Song-Geun Lee, Matthew B. Johnson, Adam D. Haag
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Patent number: 11899231Abstract: A display device includes a display panel, a polarizing plate disposed above the display panel, where the polarizing plate includes a linear polarizing layer and a retardation layer, a window member disposed above the polarizing plate, where the window includes a window and a protective layer disposed above the window, the protective layer has a retardation of about 100 nm or less or about 5000 nm or greater, an optical member disposed below the display panel, a support member disposed below the optical member, where a through-hole is defined through the support member, and an electronic module disposed to correspond to the through-hole.Type: GrantFiled: November 11, 2020Date of Patent: February 13, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jung-Hun Lee, Sungun Park, Sanghyeok Kim, Jungsun Kim, Jihwa Lee
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Patent number: 11886064Abstract: The present application provides a display panel and a display device. The display panel includes an array substrate, a color filter substrate, and a colloid layer. The array substrate includes a thin film transistor layer and a passivation layer. The passivation layer includes at least one first connection element. The color filter substrate is disposed opposite to the array substrate. The colloid layer is arranged between the passivation layer and the color filter substrate, the colloid layer is connected to the first connection element, and the colloid layer and the first connection element couple the array substrate to the color filter substrate.Type: GrantFiled: June 23, 2020Date of Patent: January 30, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Dewei Song, Fei Ai
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Patent number: 11880046Abstract: An automatic polarization control device and a method thereof are proposed. More particularly, the automatic polarization control device and the method thereof is provided to control a penetrated polarization direction of light incident on a camera by using electricity and generate a polarization image desired by a user.Type: GrantFiled: June 13, 2019Date of Patent: January 23, 2024Assignees: SAI TECHNOLOGIES CORP.Inventors: Jun Sik Kim, Seung Seo Park
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Patent number: 11880107Abstract: The present application provides a pixel electrode, a driving method of the pixel electrode, and a liquid crystal display panel, the pixel electrode comprises a frame electrode and a keel electrode, the frame electrode forms a closed region, the keel electrode is located in the closed region, the keel electrode comprises at least a first trunk and a second trunk vertically intersecting the first trunk, the first trunk and the second trunk divide the closed region into four sub areas, and a shape of an area composed of any two adjacent sub areas is pagoda shaped, to improve a light transmittance of the pixel electrode.Type: GrantFiled: May 19, 2021Date of Patent: January 23, 2024Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Yi Liu
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Patent number: 11880108Abstract: The present application discloses a display device, a method for controlling the display device, and an electronic device. The display device includes: a first panel and a second panel sequentially stacked along a direction opposite to a light-emitting direction, wherein: the first panel includes first sub-pixels, the second panel includes second sub-pixels; each first sub-pixel is provided with a first electrode, the first electrode has a first extension part, and each second sub-pixel is provided with a second electrode, the second electrode has a second extension part; and in the first panel, first extension parts of first electrodes of at least two adjacent first sub-pixels are arranged in different forms; and/or, in the second panel, second extension parts of second electrodes of at least two adjacent second sub-pixels are arranged in different forms.Type: GrantFiled: September 21, 2022Date of Patent: January 23, 2024Assignee: SHANGHAI TIANMA MICROELECTRONICS CO., LTD.Inventors: Anran Song, Yaqin Liao, Xiaohe Li, Jian Zhao, Chunli Ning
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Patent number: 11868008Abstract: A display apparatus includes a backlight component, a light adjusting component, a display panel, and a first polarizing film. The backlight component is configured to generate polarized light. The light adjusting component is disposed on one side of the backlight component, and is configured to deflect or not deflect polarized light generated by the backlight component. The first polarizing film is disposed between the light adjusting component and the display panel. In the display apparatus) provided in this application, when the polarized light obtained after passing through the light adjusting component passes through the first polarizing film, if a vibration direction of the polarized light is consistent with a transmission direction of the first polarizing film, the polarized light can be transmitted. If the vibration direction of the polarized light is perpendicular to the transmission direction of the first polarizing film, the polarized light cannot be transmitted.Type: GrantFiled: January 23, 2023Date of Patent: January 9, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yiwen Chang, Chenxiang Zhao, Kang Chung Liu
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Patent number: 11835682Abstract: A touch panel module includes a display panel, a polarizing film, a first optical clear adhesive layer, a transparent touch layer, a second optical clear adhesive layer, and a protective layer that are sequentially stacked on the display panel, and a sealing adhesive layer. The first optical clear adhesive layer extends outward from an edge of the polarizing film to form a gap with the display panel. The sealing adhesive layer is formed between the display panel and the protective layer, completely covers sidewalls of the polarizing film, the first optical clear adhesive layer, the transparent touch layer, and the second optical clear adhesive layer on the same side, and fills the gap. After undergoing a temperature shock test, a number of air bubbles with a size larger than 0.1 mm per square centimeter of the touch panel module is less than 1.Type: GrantFiled: April 19, 2023Date of Patent: December 5, 2023Assignee: TPK TOUCH SOLUTIONS (XIAMEN) INC.Inventors: Yau Cheng Jiang, Ren Yuan Yan, Jia Jing Chen
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Patent number: 11835814Abstract: A method of manufacturing a polarizing plate includes: preparing a polarizer including a dichroic material, the polarizer being configured to polarize incident light; forming a protective film on at least one surface of the polarizer; and forming at least one transmission region by selectively radiating a femtosecond laser onto the polarizer, a group transmittance of the at least one transmission region being 80% or more.Type: GrantFiled: September 10, 2019Date of Patent: December 5, 2023Assignee: Samsung Display Co., Ltd.Inventors: Ho Yun Byun, Hak Sun Kim, Nam Seok Roh, Seung Beom Park
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Patent number: 11829036Abstract: An optically anisotropic multi-layered product including an optically anisotropic layer (Sm), and an optically anisotropic layer (N), wherein: the optically anisotropic layer (Sm) is an optically anisotropic layer that contains a liquid crystal compound (A-Sm) fixed in a state in which a smectic liquid crystal phase is exhibited; the optically anisotropic layer (N) is an optically anisotropic layer that contains a liquid crystal compound (A-N) fixed in a state in which a nematic liquid crystal phase is exhibited; and the optically anisotropic layer (Sm) and the optically anisotropic layer (N) have a common in-plane slow axis direction. A method for producing the optically anisotropic multi-layered product is also provided.Type: GrantFiled: September 8, 2020Date of Patent: November 28, 2023Assignee: ZEON CORPORATIONInventor: Manabu Ito
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Patent number: 11822158Abstract: A back light unit includes an array of LEDs positioned in rows and columns that emit light from a top surface. A light splitting optical film includes a plurality of inverted pyramids positioned on a first side facing the top surface of the array where each of the plurality of inverted pyramids forms an apex oriented in a direction away from the top surface of the array. A plurality of linear prisms is positioned in a parallel configuration on a second side facing away from the top surface of the array where at least some of the linear prisms form an apex being oriented such that a direction of the apex forms a desired angle with respect to a direction of a row of the array of light emitting diodes.Type: GrantFiled: March 11, 2023Date of Patent: November 21, 2023Assignee: BrightView Technologies, Inc.Inventors: Kenneth L. Walker, Bing Shen, Matthew K. Pope
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Patent number: 11809036Abstract: According to one embodiment, an electronic device includes a first polarizer having a first transmission axis, a first viewing angle control panel including a first liquid crystal layer containing hybrid-aligned liquid crystal molecules, a second polarizer, a second viewing angle control panel including a second liquid crystal layer containing hybrid-aligned liquid crystal molecules and a third polarizer. In plan view, an initial alignment direction of horizontally aligned liquid crystal molecules of the first liquid crystal layer and an initial alignment direction of horizontally aligned liquid crystal molecules of the second liquid crystal layer are parallel to each other and parallel or orthogonal to the first transmission axis.Type: GrantFiled: June 23, 2022Date of Patent: November 7, 2023Assignee: JAPAN DISPLAY INC.Inventors: Toshiharu Matsushima, Shunichi Kimura
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Patent number: 11812652Abstract: A display device includes a display unit comprising a plurality of light-emitting areas emitting light. A touch sensing unit is disposed on the display unit to sense a touch. A buffer part is disposed on the touch sensing unit to cushion an external impact. A metal pattern is disposed on the buffer part and has a mesh structure. The metal pattern includes a plurality of code patterns having a cut shape that encodes position information.Type: GrantFiled: January 10, 2023Date of Patent: November 7, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Won Sang Park, Seong Jun Lee
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Patent number: 11796867Abstract: A transparent display device has a transparent region and a display region. The transparent display device includes a first panel. The first panel includes a first substrate, a reflective material disposed on the first substrate in the display region, and a first electrode disposed in the display region and transparent region. In the display region, the reflective material is disposed between the first substrate and first electrode.Type: GrantFiled: March 14, 2022Date of Patent: October 24, 2023Assignee: InnoLux CorporationInventors: Masahiro Yoshiga, Satoru Takahashi, Toshiya Inada
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Patent number: 11789318Abstract: According to one embodiment, a display device includes a first viewing angle control panel including a first liquid crystal molecule, a second viewing angle control panel including a second liquid crystal molecule, and a polarization axis rotating element. An initial alignment direction of the first liquid crystal molecule is substantially orthogonal to an initial alignment direction of the second liquid crystal molecule. A second polarization component transmitted through the first viewing angle control panel includes a second polarization axis. A third polarization component transmitted through the second viewing angle control panel includes a third polarization axis. The polarization axis rotating element rotates the third polarization axis to align the third polarization axis with the second polarization axis.Type: GrantFiled: April 6, 2022Date of Patent: October 17, 2023Assignee: JAPAN DISPLAY INC.Inventor: Toshiharu Matsushima
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Patent number: 11774787Abstract: Embodiments of a dual-sided transparent display panel are presented herein. One embodiment comprises a first panel subassembly and a second panel subassembly, each of the first and second panel subassemblies including a plurality of adjacent layers, the plurality of adjacent layers including, from an innermost layer to an outermost layer, a first electrode layer, a first polyimide layer, a liquid-crystal matrix, a second polyimide layer, a second electrode layer, and a glass layer; a waveguide disposed between an inner surface of the first electrode layer of the first panel subassembly and an inner surface of the first electrode layer of the second panel subassembly; and one or more light sources disposed along an edge of the waveguide that is perpendicular to the inner surface of the first electrode layer of the first panel subassembly and the inner surface of the first electrode layer of the second panel subassembly.Type: GrantFiled: September 7, 2022Date of Patent: October 3, 2023Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.Inventor: Sean P. Rodrigues
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Patent number: 11775122Abstract: A sensor module and a display device are provided. The sensor module includes a substrate and a touch sensor positioned on the substrate. The touch sensor includes a transmitter electrode and a receiver electrode, positioned at one side of the transmitter electrode, which is back on to the substrate. An optical sensor includes a thin film transistor. A gate of the thin film transistor and the transmitter electrode are positioned in a same layer, and a source/drain of the thin film transistor and the receiver electrode are positioned in a same layer.Type: GrantFiled: October 29, 2020Date of Patent: October 3, 2023Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Bao Zha, Miao Jiang, Jiangbo Yao, Lixuan Chen, Xin Zhang
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Patent number: 11774809Abstract: A transverse electric field type liquid crystal display panel includes a pair of substrates opposed with a liquid crystal layer interposed therebetween. A plurality of sub-pixels having at least one curved portion in a display area are provided in a matrix on one side of the pair of substrates, and a pair of electrodes having at least one curved portion are formed in the plurality of sub-pixels. A light shield layer shielding a non-display area positioned on an outer peripheral side of the display area and between the plurality of sub-pixels is formed on the other side of the pair of substrates. The light shield layer of the non-display area is formed in a shape in which the outermost peripheral side of the display area is rectangular.Type: GrantFiled: May 18, 2021Date of Patent: October 3, 2023Assignee: Japan Display Inc.Inventor: Akio Ota
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Patent number: 11768409Abstract: According to an aspect, a display device includes: an array substrate comprising a plurality of pixel electrodes; a counter substrate comprising a common electrode in a position at least overlapping the pixel electrodes; a liquid crystal layer between the array substrate and the counter substrate; and a light source disposed so as to emit light into a side surface of the array substrate or a side surface of the counter substrate. The array substrate includes, in a display region: a plurality of signal lines arranged in a first direction with spaces between the signal lines; a plurality of scanning lines arranged in a second direction with spaces between the scanning lines; and common potential wiring provided outside the display region. The counter substrate comprises light-blocking coupling wiring that couples the common electrode to a conductive first power feeding portion.Type: GrantFiled: June 3, 2022Date of Patent: September 26, 2023Assignee: Japan Display Inc.Inventor: Yoshihide Ohue
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Patent number: 11765925Abstract: A display device includes a flexible substrate including a first region including a display region, a second region including a curved region, and a third region including a terminal region; an electro-optical element located in the display region; and a resin layer continuously extending from the first region to the third region.Type: GrantFiled: December 6, 2022Date of Patent: September 19, 2023Assignee: Japan Display Inc.Inventors: Masumi Nishimura, Shinichiro Oka
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Patent number: 11743598Abstract: A clipping mitigation circuitry includes a light valve configured to reduce an amount of light captured by a camera and a controller configured to receive sensor feedback indicative of a light levels of an image captured by the camera, identify potential clipping in the image based on the light levels, and adjust the light valve based on the potential clipping to reduce the amount of light captured by the camera.Type: GrantFiled: July 14, 2020Date of Patent: August 29, 2023Assignee: NBCUNIVERSAL MEDIA, LLCInventor: Arley Christopher Seeger
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Patent number: 11733568Abstract: A transparent display device has a first substrate, a second substrate, and a display medium disposed between the first substrate and the second substrate. A pixel unit of the transparent display includes a transparent region and a display region. In the display region, a first reflective material is disposed between the first substrate and the display medium, and a second reflective material is disposed between the second substrate and the display medium.Type: GrantFiled: February 23, 2022Date of Patent: August 22, 2023Assignee: InnoLux CorporationInventors: Masahiro Yoshiga, Satoru Takahashi, Toshiya Inada
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Patent number: 11733100Abstract: A polarization imaging image-pickup system includes an image-pickup unit array that includes a plurality of image-pickup units arranged two-dimensionally, wherein the image-pickup units each include: one wavefront control element that includes a plurality of microscopic structures; and a pixel array that is arranged so as to face the wavefront control element, and includes a plurality of pixels that are associated with the wavefront control element and are two-dimensionally arranged, and light from an imaging object is spatially separated by the one wavefront control element into first polarized light, and a second polarized light that is in a direction orthogonal to the first polarized light or has a rotation direction opposite to a rotation direction of the first polarized light, the first polarized light is collected at a first collection position on the pixel array, and the second polarized light is collected at a second collection position on the pixel array.Type: GrantFiled: September 17, 2019Date of Patent: August 22, 2023Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Masashi Miyata, Mitsumasa Nakajima, Toshikazu Hashimoto