Patents Examined by Jonathan Y Jung
  • Patent number: 11867998
    Abstract: The present application provides a liquid crystal display panel and a liquid crystal display device. In the liquid crystal display panel, a light-shielding pattern is disposed on a side of a first substrate away from a liquid crystal layer, and the light-shielding pattern is disposed between two adjacent pixels. A difference between a width of the light-shielding pattern and a distance between the two adjacent pixels is less than or equal to a threshold value. A material of the light-shielding pattern includes an inorganic material. Therefore, an aperture ratio of the liquid crystal display panel is increased.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: January 9, 2024
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Xiaoling Zou
  • Patent number: 11860385
    Abstract: A tunable-liquid-crystal-grating-based holographic true 3D display system comprises a laser, a filter, a beam expander, a semi-transparent semi-reflective mirror, a spatial light modulator, a lens I, a diaphragm, a tunable liquid crystal grating, a polaroid, a signal controller, a lens II and a receiving screen. The laser, the filter and the beam expander are used for generating collimated incident light. The spatial light modulator is loaded with a hologram of a 3D object. The diaphragm is positioned behind the lens I for eliminating a high-order diffracted light in the holographic true 3D display. The tunable liquid crystal grating is located on the back focal plane of the lens I and on the front focal plane of the lens II, and the signal controller is used for synchronously controlling the voltage of the tunable liquid crystal grating and the generation and loading of the hologram.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: January 2, 2024
    Assignee: BEIHANG UNIVERSITY
    Inventors: Di Wang, Qionghua Wang, Chao Liu, Fan Chu, Yilong Li
  • Patent number: 11860464
    Abstract: An optical stack includes: a light scattering film converting light received at a light receiving surface into scattering light therein and then outputting the scattering light outside from a light output surface, and a sheet provided on the light output surface side of the light scattering film. The light scattering film includes: a functional layer formed of a light-transmissive composition including an organic polymer compound and light scattering particles. The functional layer includes a first surface receiving the light and a second surface from which the scattering light is output. The functional layer includes a particle layer formed of light scattering particles having a content of 60% by volume or higher among the light scattering particles, the particle layer expanding along the first surface and being concentrated in a direction perpendicular to the first surface.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: January 2, 2024
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventors: Shintaro Yamada, Yukio Yoshida, Atsuko Maeda, Sumire Hombo, Hideki Nakagawa, Mitsuhiro Takeba, Toshihiro Yamashita, Katsumi Kondo
  • Patent number: 11852928
    Abstract: A display device is provided and includes first and second substrates; a liquid crystal layer filled between the first and second substrates; a counter electrode pattern formed on the first substrate; scanning lines extending in a first direction; signal lines; and a first pixel electrode pattern and a second pixel electrode pattern formed on the first substrate, wherein the first pixel electrode pattern and the second pixel electrode pattern are located in line symmetry with respect to a first scanning line of the scanning lines.
    Type: Grant
    Filed: January 9, 2023
    Date of Patent: December 26, 2023
    Assignee: Japan Display Inc.
    Inventors: Yoshihiro Sakurai, Hironao Tanaka, Hidemasa Yamaguchi
  • Patent number: 11848343
    Abstract: Provided are a spectral filter, a method of manufacturing the same, and an image sensor and an electronic device each including the spectral filter. The spectral filter includes a plurality of first reflective layers provided spaced apart from each other, and a plurality of cavities provided between the plurality of first reflective layers. The cavities have different thicknesses according to a center wavelength. Each of the cavities includes a plurality of etch stop layers having a constant total thickness according to the center wavelength, and at least one dielectric layer having a total thickness which changes according to the center wavelength, wherein the etch stop layers include materials having etch selectivities different than that of the dielectric layer.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: December 19, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyochul Kim, Younggeun Roh
  • Patent number: 11846854
    Abstract: According to one embodiment, a display device including a first substrate including a first pixel and a second pixel, a second substrate, a liquid crystal layer containing polymer and liquid crystal molecules, and a light emitting element, wherein the second pixel is located between the light emitting element and the first pixel, the first substrate includes a switching element including a semiconductor layer arranged in the first pixel, a pixel electrode, and a first light shielding portion arranged in the second pixel and being adjacent to the semiconductor layer, the first light shielding portion is located between the semiconductor layer and the light emitting element in planar view and located on a side closer to the first pixel than a center of the second pixel.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: December 19, 2023
    Assignee: Japan Display Inc.
    Inventors: Kentaro Okuyama, Yoshihide Ohue, Hiroki Sugiyama, Tomoyuki Tada
  • Patent number: 11841520
    Abstract: A multilayer optical element comprises a plurality of layers arranged along an optical axis, each layer having a plurality of nanostructures, wherein a size of—, and a spacing between—, the nanostructures is selected to provide a resonant response to an optical field at different wavelengths for different layers.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: December 12, 2023
    Assignees: Technology Innovation Momentum Fund (Israel) Limited Partnership, Yeda Research and Development Co. Ltd.
    Inventors: Tal Ellenbogen, Yehiam Prior, Ori Avayu, Euclides Almeida
  • Patent number: 11835813
    Abstract: Provided are a display module, a display device and a display method. The display module includes a display panel and a lens layer on a light-exiting side of the display panel, and the display panel includes an array substrate and a color film substrate. The array substrate includes a plurality of pixel islands arranged in an array, and each pixel island includes a plurality of sub-pixels arranged in a first direction. The color film substrate includes a plurality of black matrices and a plurality of color filter elements, the black matrices and the color filter elements are arranged alternately, and each pixel island corresponds to one color filter element. The lens layer includes a plurality of cylindrical lenses arranged consecutively in the first direction, each cylindrical lens corresponds to a pixel island, and the pixel island is arranged on a focal plane of the corresponding cylindrical lens.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: December 5, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Zhongxiao Li, Wenqing Zhao, Jing Yu, Kuanjun Peng
  • Patent number: 11835680
    Abstract: An optical device comprises a first meta-lens and a second meta-lens. The first meta-lens includes a first plurality of nanostructures that define a first phase profile of the first meta-lens. The second meta-lens includes a second plurality of nanostructures that define a second phase profile of the second meta-lens. A combination of the first meta-lens having the first phase profile and the second meta-lens having the second phase profile is configured to achieve a diffraction-limited focusing and correct an aberration of light transmitted through the optical device.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: December 5, 2023
    Assignee: PRESIDENT AND FELLOWS OF HARVARD COLLEGE
    Inventors: Benedikt Groever, Wei-Ting Chen, Federico Capasso
  • Patent number: 11832495
    Abstract: Provided are a display apparatus and a manufacturing method therefor, the display apparatus comprising: a plurality of mutually independent subpixel regions; a light source (101), light emitted from the light source (101) illuminating the subpixel regions; and a light control layer (102), which is located on a light exiting side of the light source (101), the light control layer (102) comprising: color conversion structures (1021) located at the subpixel regions, the color conversion structures (1021) each comprising a nanoporous material and at least a color conversion material distributed among the nanoporous material, the color conversion material being used to convert light emitted from the light source (101) into light of a color corresponding to the subpixel region where the light is located.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: November 28, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Yong Yu, Shi Shu, Qi Yao, Guangcai Yuan, Chuanxiang Xu, Yang Yue, Haitao Huang, Xiang Li
  • Patent number: 11832496
    Abstract: In a color display, a color filter layer includes a dielectric layer with an array of photonic crystals, an electroluminescent material disposed on the color filter layer, and electrodes arranged to electrically energize the electroluminescent material to output white light. Each photonic crystal includes a two-dimensional (2D) array of features. The 2D array of features includes a central cavity within which the features of the 2D array of features are omitted. Each photonic crystal is tuned to a resonant wavelength by a periodicity of the two-dimensional array of features. The array of photonic crystals may include, for example, red, green, and blue photonic crystals arranged to form an array of pixels spanning a display area of the color display, in which each pixel includes at least one red photonic crystal, at least one green photonic crystal, and at least one blue photonic crystal.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: November 28, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company LTD
    Inventors: Hong-Shyang Wu, Kuo-Ming Wu
  • Patent number: 11815671
    Abstract: A 2D spatial differentiator operates in transmission and comprises a Si nanorod photonic crystal that can transform an image, Ein, into its second-order derivative, Eout ? ?2 Ein, allowing for direct discrimination of the edges in the image. The use of a 2D photonic crystal allows for differentiation and edge detection in all directions with a numerical aperture (NA) up to 0.315 and an experimental resolution smaller than 4 ?m. The nanophotonic differentiator is able to be directly integrated into an optical microscope and onto a camera sensor, demonstrating the ease with which it can be vertically integrated into existing imaging systems. Furthermore, integration with a metalens is demonstrated for realizing a compact and monolithic image-processing system. In all cases, the use of the nanophotonic differentiator allows for a significant reduction in size compared to traditional systems, opening new doors for optical analog image processing in applications involving computer vision.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: November 14, 2023
    Assignee: Vanderbilt University
    Inventors: Jason G. Valentine, You Zhou, Hanyu Zheng
  • Patent number: 11809035
    Abstract: A color filter substrate, a display panel and a display device are provided. The color filter substrate includes: a base substrate; a color conversion layer on the base substrate; a covering layer on a side of the color conversion layer away from the base substrate; and a polarizing layer on a side of the covering layer away from the base substrate. The polarizing layer includes a wire grid polarizer. The covering layer includes a first covering sub-layer and a second covering sub-layer, the first covering sub-layer is located on the side of the color conversion layer away from the base substrate, the second covering sub-layer is located on a side of the first covering sub-layer away from the base substrate, and a material of the first covering sub-layer is different from a material of the second covering sub-layer.
    Type: Grant
    Filed: January 11, 2021
    Date of Patent: November 7, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ge Shi, Yujie Liu, Shi Shu, Wei Huang, Shiyu Zhang, Yuyao Wang, Yunsik Im, Xiaochuan Chen, Xue Dong, Ming Zhu, Song Yang
  • Patent number: 11803078
    Abstract: The present disclosure provides a display panel and a display device, including an array substrate; and a color filter substrate disposed opposite to the array substrate, wherein a color filter layer is disposed on a side of the color filter substrate facing the array substrate, and the color filter layer comprises a plurality of first black color resist blocks arranged at intervals and a plurality of color resist blocks disposed between two adjacent first black color resist blocks, wherein heights of each of the plurality of first black color resist blocks is greater than heights of each of the plurality of color resist blocks.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: October 31, 2023
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Zhiqing Shi
  • Patent number: 11803079
    Abstract: The present invention provides a quantum dot display panel, a quantum dot display device, and a preparation method thereof. The quantum dot display panel includes an array substrate, a color film substrate, and a liquid crystal disposed between the array substrate and the color film substrate, wherein the color film substrate includes a cover plate, a light-cutoff layer, a quantum dot pixel layer, a blocking layer, a reflection layer, a coating layer, a built-in polarizing layer, an isolation unit, and a polyimide (PI) layer.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: October 31, 2023
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Chaoqun Yang, Changchih Huang, Yanchang Shi, Wei Cheng
  • Patent number: 11803076
    Abstract: A light modulating device including: a light transmissive plate having a curved surface; a light modulating cell; and an optically transparent adhesive film which is disposed between the curved surface of the light transmissive plate and the light modulating cell and attaches one side of the light modulating cell to the curved surface of the light transmissive plate.
    Type: Grant
    Filed: October 19, 2022
    Date of Patent: October 31, 2023
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventor: Yusuke Hagiwara
  • Patent number: 11796875
    Abstract: A display component includes a display panel. The display panel includes an array substrate and a counter substrate, and the display panel includes a display region, where the display region includes a pixel region, a transparent region, and a light shielding region. A first light shielding pattern located in the light shielding region is disposed on a side that is of the array substrate and that is away from the counter substrate, and the first light shielding pattern is disposed around the transparent region.
    Type: Grant
    Filed: November 30, 2019
    Date of Patent: October 24, 2023
    Assignee: Honor Device Co., Ltd.
    Inventors: Bin Yan, Yan Lv, Yankai Niu, Bangshi Yin
  • Patent number: 11789298
    Abstract: A display device provided includes a display panel, a first backlight module, a second backlight module, a light sensor, and a viewing angle adjusting component. The first backlight module includes an optical element, and the viewing angle adjusting component is disposed corresponding to a display sensing area. When the optical element is in a fog state, the viewing angle adjusting component reduces an exit angle of backlight. When the optical element is in a transparent state, external light enters the light sensor through the viewing angle adjusting component and the first backlight module, which improves uniformity of backlight viewing angle.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: October 17, 2023
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Rui He, Wei Cheng, Changchih Huang, Guanghui Liu
  • Patent number: 11782316
    Abstract: A liquid crystal display panel includes an array substrate and an opposite substrate that are disposed opposite to each other; the liquid crystal display panel has a display region and at least one non-display region disposed beside the display region. The array substrate is of a multi-layer structure and includes a pixel electrode layer and a plurality of protrusions disposed in the at least one non-display region, and the opposite substrate includes a common electrode layer. A protrusion has a structure including at least one film, and a film of the at least one film is located in a layer included in the array substrate.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: October 10, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hui Li, Xinyin Wu, Yong Qiao, Jianbo Xian
  • Patent number: 11782304
    Abstract: A display panel is provided. The display panel includes a bank layer and a quantum dots material layer on a base substrate. The bank layer defines a plurality of bank apertures. The quantum dots material layer includes a plurality of quantum dots blocks respectively in at least some of the plurality of bank apertures. At least a portion of the bank layer between two adjacent bank apertures includes a first surface, a second surface opposite to the first surface, a third surface connecting the first surface and the second surface closer to a first bank aperture, and a fourth surface connecting the first surface and the second surface closer to a second bank aperture. At least a portion of a third surface or a fourth surface of a portion of the bank layer between two adjacent bank apertures is a wavy surface including alternating convex and concave portions.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: October 10, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Haitao Huang, Shi Shu, Chuanxiang Xu, Liuqing Li, Zhao Cui, Renquan Gu