Patents Examined by Nathanael R Briggs
  • Display device, driving method and electronic apparatus
    Patent number: 11112647
    Abstract: The present disclosure provides a display device, a driving method, and an electronic apparatus. The display device includes a backlight module including a substrate and a plurality of LEDs disposed on the substrate, and the plurality of LEDs being configured to emit light having at least one color of red, green, and blue; and a display panel, configured to display red light when the plurality of LEDs emits red light, to display green light when the plurality of LEDs emits green light, and to display blue light when the plurality of LEDs emits blue light. The display device does not require a color resist layer, thereby greatly improving the light transmittance of the display device.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: September 7, 2021
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Ling Wu, Boping Shen
  • Organic light emitting display panel and display device
    Patent number: 11114646
    Abstract: An organic light emitting display panel and a display device are provided. The organic light emitting display panel includes a substrate, a plurality of organic light emitting diode elements in an array on one side of the substrate, a phase compensation film on a side of the organic light emitting diode elements away from the substrate, and a circular polarizer on a side of the phase compensation film away from the organic light emitting diode elements, wherein the phase compensation film compensates for phase retardation amounts of the circular polarizer at all viewing angles, so that a phase retardation amount of light obliquely passing through the circular polarizer and the phase compensation film is substantially consistent with that of light perpendicularly passing through the circular polarizer and the phase compensation film.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: September 7, 2021
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Qian Li, Bing Zhang
  • Display panel
    Patent number: 11106088
    Abstract: The present disclosure provides a display panel including a first panel, a second panel, and a bonding layer; the first panel and the second panel are laminated by the bonding layer; the bonding layer includes at least one quantum dot material layer. The display panel of the present disclosure can achieve a display effect of a pixel-level backlight modulation, and can avoid interference fringes in the middle bonding area of the first panel and the second panel.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: August 31, 2021
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Lixuan Chen
  • Display device with optical combiner
    Patent number: 11099386
    Abstract: An optical system may include equipment with a housing that is configured to receive external equipment such as a cellular telephone. The external equipment may have a display mounted on a front face of the external equipment and may have additional components such as a front-facing camera. Communications circuitry in the equipment may support wired and wireless communications with the external equipment. An optical combiner in the equipment may be used to combine display image light emitted from pixels in the display with real-world image light received from external objects. The optical combiner may have a reflector with a concave lens shape that focuses light from the display towards eye boxes in which a viewer's eyes are located. The reflector may be a partial mirror or a reflective polarizer. The reflective polarizer and additional components may be used in implementing a tunable tint layer.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: August 24, 2021
    Assignee: Apple Inc.
    Inventors: Hyungryul Choi, Lei Zhao, Chaohao Wang, Enkhamgalan Dorjgotov, Shih-Chyuan Fan Jiang, Zhibing Ge, Graham B. Myhre
  • Liquid crystal display panel
    Patent number: 11099434
    Abstract: A liquid crystal display panel performs displaying in the normally white mode. A first and a second polarizer are disposed so that the transmission axes thereof are perpendicular to each other. A liquid crystal layer is in a twisted alignment state in the absence of an applied voltage. A first substrate has a first electrode having a plurality of rectangular openings extending in parallel to each other, and a second electrode facing the first electrode with a dielectric layer interposed therebetween. The openings each independently have a width S of more than 0.6 ?m and not more than 1.4 ?m, and each pair of adjacent openings independently has a distance L therebetween of not less than 0.3 ?m and not more than 0.7 ?m. A first and a second horizontal alignment film each have an azimuthal anchoring energy of not more than 1×10?4J/m2.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: August 24, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Koji Murata, Kohzoh Nakamura, Kiyoshi Minoura, Akira Sakai, Yuichi Kawahira
  • Liquid crystal display device and manufacturing method of the same
    Patent number: 11099421
    Abstract: A liquid crystal display device and a method of manufacturing the same are provided. The LCD device includes a substrate including a display area and a non-display area, a blue light blocking filter on the substrate, a plurality of color pattern layers spaced apart from one another in a plan view, a black matrix among the plurality of color pattern layers in a plan view, a planarization layer on the color pattern layer and the black matrix, and a polarizer on the planarization layer. The color pattern layer includes a red color conversion unit on the blue light blocking filter, which converts a light into a light having a red wavelength and a green color conversion unit on the blue light blocking filter, which converts a light into a light having a green wavelength. The red color conversion unit and the green color conversion unit include wavelength converting particles.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: August 24, 2021
    Inventors: Hoon Kang, Yonghoon Yang, Euisuk Jung, Hyein Kim, Koichi Sugitani
  • Reflective pixel unit, reflective display panel and display apparatus
    Patent number: 11092840
    Abstract: A reflective pixel unit, a reflective display panel and a display apparatus are disclosed. The reflective pixel unit includes a substrate, a reflective plate on the substrate, and a reflective filter layer on a side of the reflective plate facing away from the substrate. The reflective filter layer is configured such that a surface of the reflective filter layer facing away from the reflective plate receives visible light and reflects a part of light having wavelengths within a specific range in the visible light, and allows another part of the light having wavelengths within the specific range to pass through the reflective filter layer to the reflective plate. The reflective plate is configured to reflect the another part of the light having wavelengths within the specific range passed through the reflective filter layer.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: August 17, 2021
    Assignees: BOE OPTICAL SCIENCE AND TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hunghuei Hsu, Xiuhe Zhou
  • Optical element and sensor
    Patent number: 11092730
    Abstract: An object is to provide an optical element that is thin and can gather and reflect light in a specific wavelength range in a predetermined direction, and a sensor including the above-described optical element. The optical element includes a cholesteric liquid crystal layer, in which the cholesteric liquid crystal layer has a liquid crystal alignment pattern in which a direction of an optical axis derived from a liquid crystal compound changes while continuously rotating in at least one in-plane direction, and in a case where a length over which the direction of the optical axis rotates by 180° in the in-plane direction in which the direction of the optical axis changes while continuously rotating is set as a single period, the cholesteric liquid crystal layer has in-plane regions having different lengths of the single periods in the liquid crystal alignment pattern.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: August 17, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Yujiro Yanai, Michio Nagai, Hiroshi Sato
  • Using multiple excitation wavelengths in nanostructure based display devices
    Patent number: 11092850
    Abstract: Embodiments of a display device are described. The display device includes a first sub-pixel with a first quantum dot (QD) film and a first filter element. The QD film receives both UV light and blue light and converts a portion of the received light to emit a secondary light different from the UV and blue light. The filter element is disposed on the quantum dot film and allows the secondary light to pass through the filter element, and the filter element blocks an unconverted portion of the received light from passing through the filter element. The second sub-pixel has a second filter element that allows blue light to pass through the second filter element, and the second filter element blocks the UV light from passing through the second filter element.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: August 17, 2021
    Assignee: Nanosys, Inc.
    Inventors: Ernest C. Lee, Charlie Hotz, Jason Hartlove
  • Optical member, light-emitting device, display, and illuminator
    Patent number: 11079521
    Abstract: There is provided an optical member that achieves a desired light distribution characteristic while having a simple configuration. The optical member includes a first transparent optical sheet and a second transparent optical sheet that are superimposed on each other in a first axial direction. The first transparent optical sheet includes a structure in which a first region and a second region are alternately disposed in a second axial direction. The second transparent optical sheet includes a structure in which a third region and a fourth region are alternately disposed in a third axial direction. An angle formed by the third axial direction with respect to the second axial direction is equal to or greater than 0° and less than 45°.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: August 3, 2021
    Assignee: Saturn Licensing LLC
    Inventors: Norimasa Furukawa, Hiroki Asakawa
  • Display panel
    Patent number: 11073733
    Abstract: A display panel including a fan-out wire, an electrostatic discharge device, a signal wire, and a first conductive via structure is provided. The electrostatic discharge device has a first electrode and a second electrode. The first conductive via structure is electrically connected to the fan-out wire, the first electrode of the electrostatic discharge device, and the signal wire.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: July 27, 2021
    Assignee: Au Optronics Corporation
    Inventor: Meng-Ting Hsieh
  • Display device with switchable diffusive display and see-through lens assembly
    Patent number: 11073700
    Abstract: A display device includes a display having optically anisotropic molecules disposed between a front surface and a back surface. The display is configurable to either receive image light and diffuse the image light to output diffused image light from the front surface, or to transmit ambient light from the back surface to the front surface. The display device also includes an optical assembly that has a substrate, a reflector, and a beam splitter. The optical assembly is configurable to transmit a portion of the diffused image light at a first optical power via an optical path including reflections at the reflector and at the beam splitter and to transmit a portion of the ambient light output from the front surface of the display at a second optical power without reflection at the reflector. The second optical power is less than the first optical power.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: July 27, 2021
    Assignee: Facebook Technologies, LLC
    Inventors: Yusufu Njoni Bamaxam Sulai, Brian Wheelwright, Weichuan Gao, Alireza Moheghi, Ying Geng, Oleg Yaroshchuk
  • Integrated imaging apparatus and display device
    Patent number: 11067871
    Abstract: The present disclosure provides an integrated imaging apparatus and a display device. The integrated imaging apparatus includes: a display member, an incident light adjusting member, a lens array and a second lens that are sequentially arranged. The display member is configured to display an image; the incident light adjusting member is configured to reduce a pixel divergence angle of an incident light emitted by the display member; the lens array includes a plurality of first lens, the plurality of first lens being arranged on a plane parallel to the display member; and the second lens and the display member are coaxially arranged. The present disclosure effectively extends the field of depth, thereby improving the imaging effect of the integrated imaging apparatus.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: July 20, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Baoqiang Wei, Jifeng Tan, Xiaochuan Chen, Wenqing Zhao, Xue Dong, Chenyu Chen, Xiaochen Niu
  • Optical device and method of driving the same
    Patent number: 11067819
    Abstract: A optical device includes: a display device configured to output a display image; a lens on one side of the display device; and a polarization control unit between the display device and the lens and configured to output the display image output from the display device as first polarized light or second polarized light, wherein the lens comprises: a first polarizing mirror configured to reflect a display image of the first polarized light and to transmit a display image of the second polarized light; and a second polarizing mirror configured to reflect a display image of the second polarized light and to transmit a display image of the first polarized light.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: July 20, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Jin Cho, Jae Joong Kwon, Ju Hwa Ha, Jeong Woo Park, Su Bin Jung
  • Color filter substrate and fabricating method thereof, display panel
    Patent number: 11067846
    Abstract: The present disclosure provides a color filter substrate and a fabricating method thereof, and a display panel. The method includes: forming a black matrix on a base substrate; forming an auxiliary electrode on a side of the black matrix away from the base substrate, an orthographic projection of the black matrix on the base substrate covering an orthographic projection of the auxiliary electrode on the base substrate; and forming color filters on the base substrate and in a space defined by the black matrix on which the auxiliary electrode is formed.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: July 20, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhen Song, Guoying Wang
  • Electronic shutter for concealing and revealing a camera
    Patent number: 11054718
    Abstract: The disclosed electronic shutter may include (1) an optical structure including a medium through which light from an environment passes to a lens of a camera for capturing an image of the environment; and (2) a controlling circuit that (a) detects a first condition of a signal, where the first condition indicates an activation of the camera, (b) controls, in response, to the first condition, the optical structure such that the medium attains a transparent optical state, (c) detects a second condition of the signal, where the second condition indicates a deactivation of the camera, and (d) controls, in response to the second condition, the optical structure such that the medium attains a non-transparent optical state in a manner that prevents visual detection of the lens from the environment. Various other methods and systems are also disclosed.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: July 6, 2021
    Assignee: Facebook Technologies, LLC
    Inventors: Saara Khan, Tony David, Sam Sarmast, Fletcher Nelson, Staci Elaan, Brian Kennedy
  • Optical element and sensor
    Patent number: 11054561
    Abstract: An object is to provide an optical element that is thin and can gather and reflect light in a specific wavelength range in a predetermined direction, and a sensor including the above-described optical element. The optical element includes a cholesteric liquid crystal layer, in which the cholesteric liquid crystal layer has a liquid crystal alignment pattern in which a direction of an optical axis derived from a liquid crystal compound changes while continuously rotating in at least one in-plane direction, and in a case where a length over which the direction of the optical axis rotates by 180° in the in-plane direction in which the direction of the optical axis changes while continuously rotating is set as a single period, the cholesteric liquid crystal layer has in-plane regions having different lengths of the single periods in the liquid crystal alignment pattern.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: July 6, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Yujiro Yanai, Michio Nagai, Hiroshi Sato
  • Device for operating functional elements having electrically controllable optical properties
    Patent number: 11054681
    Abstract: A device having a functional element having electrically controllable optical properties, includes an electrical energy source having an output voltage U, a functional element having electrically controllable optical properties, and at least two supply lines, by means of which the electrical energy source and the functional element are connected. The output voltage U has an alternating voltage having a frequency f from 40 Hz to 210 Hz, a maximum amplitude Umax from 24 V to 100 V, and a slope in the range of the output voltage U between ?80% Umax and 80% Umax from 0.05*Umax/100 ?s to 0.1*Umax/100 ?s and in the range of the output voltage U between 80% Umax and ?80% Umax from ?0.05*Umax/100 ?s to ?0.1*Umax/100 ?s.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: July 6, 2021
    Assignee: SAINT-GOBAIN GLASS FRANCE
    Inventors: Florian Manz, Patrick Weber, Christian Effertz, Thorsten Dragas
  • Liquid crystal display panel and liquid crystal display device
    Patent number: 11048122
    Abstract: A liquid crystal display panel and a liquid crystal display device are provided. The liquid crystal display panel comprises a liquid crystal layer containing reactive monomers, a backlight layer disposed on a side of the liquid crystal layer and used to emit backlight to the liquid crystal layer, and a light conversion film layer disposed between the backlight layer and the liquid crystal layer and used to absorb ultraviolet light in the backlight. The present disclosure can improve the display quality of liquid crystal display panels by the above method.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: June 29, 2021
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Qian Li
  • Liquid crystal display device having rectangular-shaped pixel electrodes overlapping with comb-shaped counter electrodes in plan view
    Patent number: 11036098
    Abstract: The present invention realizes a bright image display by enhancing a numerical aperture of pixels. At least a portion of a pixel electrode is overlapped to a thin film transistor by way of a first insulation film, the pixel electrode is connected to an output electrode of the thin film transistor via a contact hole which is formed in the first insulation film, the counter electrode is arranged above the pixel electrode by way of a second insulation film in a state that the counter electrode is overlapped to the pixel electrode, the counter electrode is formed at a position avoiding the contact hole formed in the first insulation film as viewed in a plan view, and at least a portion of the counter electrode is overlapped to the thin film transistor.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: June 15, 2021
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Takahiro Ochiai, Tohru Sasaki, Hirotaka Imayama, Masateru Morimoto