Patents Examined by Nathanael R Briggs
  • Patent number: 12235452
    Abstract: A wearable display system includes an eyepiece stack having a world side and a user side opposite the world side. During use, a user positioned on the user side views displayed images delivered by the wearable display system via the eyepiece stack which augment the user's field of view of the user's environment. The system also includes an optical attenuator arranged on the world side of the of the eyepiece stack, the optical attenuator having a layer of a birefringent material having a plurality of domains each having a principal optic axis oriented in a corresponding direction different from the direction of other domains. Each domain of the optical attenuator reduces transmission of visible light incident on the optical attenuator for a corresponding different range of angles of incidence.
    Type: Grant
    Filed: April 19, 2023
    Date of Patent: February 25, 2025
    Assignee: Magic Leap, Inc.
    Inventors: Kevin Messer, Joshua Naaman Haddock, Hui-Chuan Cheng, Vaibhav Mathur, Clinton Carlisle
  • Patent number: 12230746
    Abstract: Disclosed herein is a display apparatus. The display apparatus includes: a liquid crystal panel; and a backlight unit configured to emit light to the liquid crystal panel. The backlight unit includes: a substrate extending along a first direction; a light emitting diode provided on the substrate; a refractive cover provided on the light emitting diode to refract light emitted from the light emitting diode; and a lens provided on the substrate and the refractive cover, the lens comprising a bottom surface having a first length in the first direction that is less than a second length in a second direction perpendicular to the first direction.
    Type: Grant
    Filed: May 10, 2023
    Date of Patent: February 18, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyukjun Jang, Sungyeol Kim, Jaewoo Kim, Taeyeon Kim, Junsung Choi
  • Patent number: 12216363
    Abstract: A liquid crystal light control device in an embodiment according to the present invention includes a first liquid crystal cell, a second liquid crystal cell overlapping the first liquid crystal cell, a third liquid crystal cell overlapping the second liquid crystal cell, and a fourth liquid crystal cell overlapping the third liquid crystal, each of the first liquid crystal cell, the second liquid crystal cell, the third liquid crystal cell, and the fourth liquid crystal cell includes a first substrate arranged with a first electrode having a strip pattern, a second substrate arranged with a second electrode having a strip pattern, and a liquid crystal layer between the first substrate and the second substrate. The first substrate and the second substrate are arranged with a longitudinal direction of the strip pattern of the first electrode and second electrode intersecting.
    Type: Grant
    Filed: August 8, 2023
    Date of Patent: February 4, 2025
    Assignee: Japan Display Inc.
    Inventors: Tae Kurokawa, Takeo Koito, Kojiro Ikeda
  • Patent number: 12197064
    Abstract: A wide viewing angle liquid crystal display includes color filters having a quantum dot and scattering particles and liquid crystal layer disposed in a microcavity, a distance between the color filter and the liquid crystal layer being sized to minimize display deterioration due to parallax.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: January 14, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Byung Park, Sung Sik Yun, Jong Hyuk Kang, Hae Il Park, Hyun Min Cho
  • Patent number: 12189129
    Abstract: An augmented reality display device includes a display, a polarizing beam splitter, and a reflective liquid crystal panel. The display is configured to provide an image beam. The polarizing beam splitter is disposed on a path of the image beam. The reflective liquid crystal panel is disposed on a path of the image beam from the polarizing beam splitter. The reflective liquid crystal panel is configured to form a plurality of modulating and reflecting regions separate from each other. The modulating and reflecting regions are configured to modulate a polarized direction of the image beam and reflect the image beam back to the polarizing beam splitter. The polarizing beam splitter is configured to make the modulated image beam travel to an eye of the user. The reflective liquid crystal panel is configured to vary a pitch of the modulating and reflecting regions.
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: January 7, 2025
    Assignee: Acer Incorporated
    Inventors: Tsung-Wei Tu, Yi-Jung Chiu
  • Patent number: 12189226
    Abstract: Disclosed is an LCD device which realizes decreased thickness, simplified process, and decreased cost by using a common electrode for formation of electric field to drive liquid crystal as a sensing electrode, and removing a touch screen from an upper surface of the liquid crystal panel, the LCD device comprising gate and data lines crossing each other to define plural pixels on a lower substrate; a pixel electrode in each of the plural pixels; plural common electrode blocks patterned at the different layer from the pixel electrode, wherein the common electrode blocks, together with the pixel electrode, forms an electric field, and senses a user's touch; and plural sensing lines electrically connected with the common electrode blocks, wherein, if the sensing line is electrically connected with one of the common electrode blocks, the sensing line is insulated from the remaining common electrode blocks.
    Type: Grant
    Filed: June 17, 2023
    Date of Patent: January 7, 2025
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Heesun Shin, Seok Woo Lee, Jae Sung Yu, Ju Han Kim, Sun Jung Lee, In Hyuk Song
  • Patent number: 12191432
    Abstract: Disclosed is a light emitting diode display device comprising a light emitting diode over a substrate, and an optical element provided with liquid crystal molecule randomly distributed therein and configured to change a path of light emitted from the light emitting diode.
    Type: Grant
    Filed: July 26, 2023
    Date of Patent: January 7, 2025
    Assignee: LG Display Co., Ltd.
    Inventors: Seongyong Cho, Hoon Kang
  • Patent number: 12164123
    Abstract: In the optical sheet according to an embodiment, at least one organic dye that selectively absorbs light in a specific wavelength band is added to a prism pattern layer, whereby it is possible to provide an optical sheet by a simpler manufacturing process than before, in which the color gamut is enhanced while a decrease in luminance due to light absorption is minimized. In addition, it is possible to secure optical and mechanical properties while preventing a degradation of organic dyes due to UV curing by adjusting the composition of the prism pattern layer.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: December 10, 2024
    Assignee: SK MICROWORKS SOLUTIONS CO., LTD.
    Inventors: Hyo Gil Cha, Yong Jae Choe, Tae Hoon Kim, Kyoo Choong Cho
  • Patent number: 12147111
    Abstract: A thin image display device is provided which is free from display defects caused by the deformation of an image display part and can display high brightness and high contrast images. The image display device includes an image display part, a light-transmitting protective part arranged on the image display part, and a cured resin layer interposed between the image display part and the protective part. The cured resin layer has a light transmittance in the visible region of 90% or more and a refractive index (nD) of 1.45 or more and 1.55 or less.
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: November 19, 2024
    Assignee: DEXERIALS CORPORATION
    Inventors: Yoshihisa Shinya, Yusuke Kamata
  • Patent number: 12140840
    Abstract: A light control sheet includes transparent electrode layers including first and second transparent electrode layers, a light control layer formed between the first and second transparent electrode layers, a first transparent support layer formed on the first transparent electrode layer on the opposite side of the light control layer, and a second transparent support layer formed on the second transparent electrode layer on the opposite side of the light control layer. The first transparent support layer has a support surface supporting the first transparent electrode layer, and the first transparent electrode layer includes a first electrode element and a second electrode element such that the first and second electrode elements are formed along the support surface and electrically insulated from each other by a groove extending along the support surface and having a depth passing through the first transparent electrode layer and not passing through the first transparent support layer.
    Type: Grant
    Filed: May 16, 2023
    Date of Patent: November 12, 2024
    Assignee: TOPPAN Inc.
    Inventors: Tatsuya Yamamoto, Takashi Oonishi
  • Patent number: 12099275
    Abstract: The liquid crystal display device includes an edge backlight including a transparent light guide plate and light-emitting elements of multiple colors that are disposed such that the light-emitting elements of multiple colors are adjacent to each other, a dimming liquid crystal layer that is disposed such that the dimming liquid crystal layer overlaps at least an end portion of the transparent light guide plate that faces the light-emitting elements of multiple colors in a plan view and that has a degree of haze that increases or decreases by applying a voltage, and a transmissive liquid crystal display panel that includes pixels. With the backlight on, the dimming liquid crystal layer is in a diffusion state, and the liquid crystal display panel performs the color display. With the backlight off, the dimming liquid crystal layer is in a transmission state, and the liquid crystal display panel performs the transparent display.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: September 24, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Kohichi Aso
  • Patent number: 12092907
    Abstract: A transmittance-variable device is provided in the present application. The present application provides a transmittance-variable device, which can be applied to various applications without causing problems such as a crosstalk phenomenon, a rainbow phenomenon or a mirroring phenomenon, while having excellent transmittance-variable characteristics.
    Type: Grant
    Filed: March 9, 2023
    Date of Patent: September 17, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Eun Jung Lim, Sergey Belyaev, Min Jun Gim, Dong Hyun Oh, Jung Sun You, Nam Gyu Kim, Jin Hong Kim, Hyun Jun Lee
  • Patent number: 12085828
    Abstract: Described herein are liquid crystal (LC) assemblies that are dimmable and techniques for manufacturing LC assemblies. In one example, an LC assembly comprises: a first curved glass panel, a second curved glass panel, and a liquid crystal panel having a first outer surface and a second outer surface, a layer of a liquid adhesive attaching the first curved glass panel and the first outer surface of the liquid crystal panel, and a film adhesive attaching the second curved glass panel and the second outer surface of the liquid crystal panel.
    Type: Grant
    Filed: June 23, 2022
    Date of Patent: September 10, 2024
    Inventors: Martin Hainfellner, Fenghua Li
  • Patent number: 12072566
    Abstract: Eyewear having electrochromic lenses for controlling a light transmissive property/tinting for a user's eye and a camera. The electrochromic lenses have an eye region for controlling light transmission to a user's eye, and a separate camera region for controlling light transmission to a camera. Two or more electrochromic lenses are provided to independently control the tinting for each of the user's eye, and two or more cameras. The electrochromic lenses comprise of multiple lens layers forming a single stack. Each layer has an opening configured to receive a fill material, such as a dye, such that the fill material can have different chemistries. The displays may also have different dye chemistries to allow for different tint ranges (wavelengths of light passed).
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: August 27, 2024
    Assignee: Snap Inc.
    Inventors: Amit Singh, Stephen Andrew Steger, Samuel Bryson Thompson
  • Patent number: 12066707
    Abstract: An optical element includes a light guide plate, an incidence portion, and an emission portion, in which each of the incidence portion and the emission portion includes diffraction portions, the diffraction portion includes diffraction elements, the diffraction element includes a liquid crystal diffraction layer in which a direction of an optical axis of a liquid crystal compound changes while continuously rotating in one in-plane direction, and in a case where the direction in which the direction of the optical axis changes is set as an in-plane rotation direction and a length over which the optical axis rotates by 180° is set as an in-plane period, in-plane rotation directions of liquid crystal diffraction layers of incidence diffraction elements in at least two of a plurality of the incidence diffraction portions are different from each other.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: August 20, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Katsumi Sasata, Fumitake Mitobe, Hiroshi Sato, Yukito Saitoh
  • Patent number: 12061405
    Abstract: A method includes receiving first dimensions of an electrochromic device and second dimensions of one or more obstructions of the electrochromic device. The method further includes generating, based on the first dimensions and the second dimensions, an obstruction map that indicates at least one of an obstructed portion or an unobstructed portion of the electrochromic device. The method further includes determining, based the obstruction map, a first desired tinting state of the electrochromic device. The method further includes causing a current tinting state of the electrochromic device to correspond to the first desired tinting state.
    Type: Grant
    Filed: May 12, 2023
    Date of Patent: August 13, 2024
    Assignee: Halio, Inc.
    Inventors: Andrew McNeil, Tanguy Timmermans
  • Patent number: 12055741
    Abstract: An optical article that includes an optical element and an anisotropic coating layer formed over at least a portion of the optical element. The anisotropic coating layer can include a first light-influencing zone comprising at least one first anisotropic material and a second light-influencing zone comprising at least one second anisotropic material. The at least one of the first light-influencing zone and the second light-influencing zone further include at least one dichroic material and/or at least one photochromic-dichroic material such that the first light-influencing zone and the second light-influencing zone exhibit a different color property, a different photochromic-dichroic reversible change, a different amount of polarization, or a combination thereof.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: August 6, 2024
    Assignee: Transitions Optical, Inc.
    Inventors: Anil Kumar, David John Park, Brian Smyth, Delwin S. Jackson, Henry Nguyen, John S. Ligas, Linda K. Anderson
  • Patent number: 12050386
    Abstract: According to one embodiment, a liquid crystal device includes a first liquid crystal cell, a second liquid crystal cell, a first flexible wiring board including a first terminal and connected to the first liquid crystal cell, a second flexible wiring board including a second terminal and connected to the second liquid crystal cell, and a circuit board including a first connector connected to the first terminal and a second connector connected to the second terminal. The first flexible wiring board and the second flexible wiring board are arranged without overlapping each other in plan view. A first distance from an edge of the circuit board to the first connector and a second distance from the edge to the second connector are different from each other.
    Type: Grant
    Filed: June 16, 2023
    Date of Patent: July 30, 2024
    Assignee: Japan Display Inc.
    Inventors: Yuuichi Kanesaka, Koichi Nagao, Tomohide Oohira, Takayuki Imai
  • Patent number: 12048223
    Abstract: A display device with improved viewing angle characteristics is provided. A display device with suppressed mixture of colors between adjacent pixels is provided. The display device includes a first coloring layer, a second coloring layer, and a structure body therebetween. The structure body has a portion closer to a display surface side than a bottom surface of the first coloring layer or a bottom surface of the second coloring layer.
    Type: Grant
    Filed: June 20, 2023
    Date of Patent: July 23, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Tomoya Aoyama, Ryu Komatsu, Daiki Nakamura
  • Patent number: 12013998
    Abstract: According to an aspect, a display device with a sensor includes: a first substrate; detection electrodes arrayed in a matrix in a first direction and a second direction intersecting the first direction above the first substrate; sensor wires coupled to one of the detection electrodes; pixels each including sub-pixels and arrayed in a matrix in the first and second directions; scanning lines scanning switching elements of the sub-pixels and extending in the first direction; and signal lines coupled to the switching elements and extending in the second direction. One of the sensor wires overlaps one of the signal lines. The sensor wires each have, at a part thereof, a coupling part coupled to the corresponding detection electrode. The pixels include a first pixel with the coupling part and a second pixel without the coupling part. The first and second pixels are alternately disposed in the first and second directions.
    Type: Grant
    Filed: June 15, 2023
    Date of Patent: June 18, 2024
    Assignee: Japan Display Inc.
    Inventors: Yoshinori Aoki, Yuji Maede, Jin Hirosawa, Yuzo Kanari