Patents Examined by Hoan C. Nguyen
  • Patent number: 10866454
    Abstract: A display panel and a display device are disclosed. The display panel includes a flat display substrate and optical devices. The optical devices are arranged on a display surface of the flat display substrate, and light emitted through the display surface of the flat display substrate passes through the optical devices and forms an image in a curved surface.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: December 15, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Wang, Yafeng Yang, Jian Gao, Can Zhang, Wei Wang, Jifeng Tan, Xinli Ma
  • Patent number: 10859871
    Abstract: Provided is an optical member that can achieve a liquid crystal display apparatus that is excellent in mechanical strength, has an excellent hue, and shows little change in hue dependent on a viewing angle. The optical member includes a prism sheet and an optically functional element that are integrated with each other. The prism sheet has: a first main surface, which is flat; and a second main surface, on which a plurality of unit prisms each having a columnar shape convex toward an opposite side to the first main surface are arrayed. Convex portions formed by the plurality of unit prisms on the second main surface of the prism sheet are bonded to one main surface of the optically functional element.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: December 8, 2020
    Assignee: NITTO DENKO CORPORATION
    Inventors: Kozo Nakamura, Kazuhito Hosokawa
  • Patent number: 10852593
    Abstract: A display substrate includes a base substrate having a plurality of pixel areas and a pixel electrode in a pixel area of the plurality of pixel areas. The pixel electrode a first stem portion extending in a first direction, a second stem portion extending from the first stem portion in a second direction that intersects the first direction, a plurality of branch portions diagonally extending from at least one of the first stem portion and the second stem portion, and a bent portion extending from at least one of the plurality of branch portions.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: December 1, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyusu Ahn, Dongil Yoo, Haeryeong Park, Sangyun Lim
  • Patent number: 10845645
    Abstract: A display device is disclosed. The display device includes a display panel, a frame positioned in the rear of the display panel, a substrate positioned between the frame and the display panel, extended in an up-down direction of the frame, and mounted on the frame, a light source mounted on the substrate, and a lens covering the light source and mounted on the substrate. The lens includes a first stopper protruding and extending from a lower surface of the lens, and a first leg extended from the first stopper toward a lower part of the lens. The substrate includes a hole into which the first leg is inserted.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: November 24, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Uihyung Lee, Minho Kim, Sujin Sim, Wondo Kee, Ilsang Yeon, Juyoung Joung, Manhyuck Han, Jongho Han
  • Patent number: 10845640
    Abstract: Provided is a liquid crystal display device having a viewing-side polarizing plate, a liquid crystal panel and a light source-side polarizing plate, which are stacked sequentially, wherein the viewing-side polarizing plate comprises a first polarizer and a first protective film formed on a light output surface of the first polarizer, the light source-side polarizing plate comprises a second polarizer and a fourth protective film formed on a light incident surface of the second polarizer, and the TD shrinkage ratio of the fourth protective film is greater than the TD shrinkage ratio of the first protective film.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: November 24, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Il Woong Baek, Yeon Ju Jung, Han Saem Kang, Yoo Jin Kim, Han Su Kim, Dong Yoon Shin
  • Patent number: 10838268
    Abstract: A pixel structure includes a first, second and third electrode layers and a switch element. The second electrode layer is disposed above the first electrode layer and includes a first and second main body portions and a first and second branch portions. The first main body portion and the first branch portion extend in a first direction. The first branch portion protrudes from the first to second main body portion. The second branch portion protrudes from the second to first main body portion. The third electrode layer is disposed above the second electrode layer and includes a third and fourth main body portion and a third branch portion. The third and fourth main body portions extend in the first direction. The third branch portion connects the third to fourth main body portion. The switch element is electrically connected to the first or third electrode layer.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: November 17, 2020
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Yu-Ling Yeh, Che-Min Lin, Chu-Kuan Yu, Chun-Ru Huang
  • Patent number: 10838237
    Abstract: An electro-active lens is presented which utilizes a surface relief structures and an electro-active material, with a change in refractive index facilitating the change in optical properties. A molded structure and a liquid crystal are used to form a diffractive lens. In addition to the classical approach of utilizing diffractive optics and multiple Fresnel zones to form a lens, an additional structure is placed between Fresnel zones in order to improve the diffraction efficiency across the visible spectrum, and reduce chromatic aberration.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: November 17, 2020
    Assignee: e-Vision Smart Optics, Inc.
    Inventors: Anthony Van Heugten, Harry Milton
  • Patent number: 10831057
    Abstract: A color filter substrate, a display panel and a display device are disclosed. The color filter substrate includes a base substrate, and a color filter layer and a phase inversion pattern which are disposed on the base substrate, wherein the phase inversion pattern includes a plurality of openings corresponding to a plurality of color filter units of the color filter layer, and the phase inversion pattern defines a boundary of each of the color filter units; a projection of the phase inversion pattern on the base substrate at least partially covers a projection of an area between adjacent color filter units on the base substrate; the phase inversion pattern is configured to allow light passing through the phase inversion pattern to undergo phase inversion.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: November 10, 2020
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Peng Jiang, Liangliang Jiang, Weihua Jia, Haipeng Yang, Jaikwang Kim, Yongjun Yoon
  • Patent number: 10831291
    Abstract: Provided is a novel display panel that is highly convenient or reliable, a novel data processor that is highly convenient or reliable, or a method for manufacturing a novel display panel that is highly convenient or reliable. The display panel includes a pixel and a terminal electrically connected to the pixel. The pixel includes a first insulating film, a first contact portion in a first opening provided in the first insulating film, a pixel circuit electrically connected to the first contact portion, a second contact portion electrically connected to the pixel circuit, a first display element electrically connected to the first contact portion, and a second display element electrically connected to the second contact portion. The first insulating film includes a region lying between the first display element and the second display element. The terminal includes a surface at which contact with other component can be made.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: November 10, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Koji Kusunoki, Yoshiharu Hirakata
  • Patent number: 10816816
    Abstract: A tunable film apparatus is provided. The apparatus includes: a first and second layer, a linear polarizer disposed in front of the first layer, liquid crystal elements disposed between the first and second layer; and a tuner configured to cause temporal averaging of a light received through the linear polarizer.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: October 27, 2020
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: Kai-Han Chang
  • Patent number: 10816852
    Abstract: A backlight unit includes: a plurality of light emitting diode (LED) packages on a top surface of a circuit board; an encapsulation layer located on the circuit board and covering the plurality of LED packages; and an integrated pattern sheet on the encapsulation layer, the integrated pattern sheet including: a base layer; a plurality of lens patterns at a top surface of the base layer and respectively corresponding to the plurality of LED packages; and hollow cavity particles at a bottom surface of the base layer and at a region between the plurality of LED packages.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: October 27, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Il-Soo Kim, Dong-Hwi Kim, Ki-Seong Kim
  • Patent number: 10816869
    Abstract: An image display device includes a flat panel display, a lens array layer, and a microstructure dynamic optical layer. The lens array layer is located at a side of a display surface of the flat panel display, and can adjust light field. The microstructure dynamic optical layer is located at the side of the display surface of the flat panel display, and can be switched to have a microstructure function or not to have the microstructure function. When being switched to have the microstructure function, the microstructure dynamic optical layer can modulate a direction of light emitted from the flat panel display. Accordingly, the image display device can display a 3D dimensional image floating in mid-air, and enables a user to see the 3D dimensional image at an oblique viewing angle. The image display device can be used in different ways according to practical applications.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: October 27, 2020
    Assignee: CHERAY CO. LTD.
    Inventors: Chun-Hsiang Yang, Yi-Pai Huang, Chih-Hung Ting, Kai-Chieh Chang, Jui-Yi Wu
  • Patent number: 10809585
    Abstract: A Pancharatnam Berry Phase (PBP) liquid crystal structure for adjusting or focusing light of a plurality of color channels emitted by a display of a head-mounted display (HMD) comprises a plurality of PBP active elements. Each PBP active element of the structure is configured to act as a half waveplate for light of a corresponding color channel, such that light of the corresponding color channel is adjusted by a predetermined amount. In addition, each PBP active element acts as a one waveplate for light of the remaining color channels, such that light of the remaining color channels passes through the PBP active element substantially unaffected. As such, the PBP structure is able to adjust incident light of the plurality of color channels uniformly in an apochromatic fashion.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: October 20, 2020
    Assignee: Facebook Technologies, LLC
    Inventors: Lu Lu, Wai Sze Tiffany Lam, Scott Charles McEldowney, Pasi Saarikko
  • Patent number: 10802203
    Abstract: A lighting device includes a light source having a light exit surface, an optical member covering the light exit surface and applying an optical action to light exiting the light source, and a prism sheet coveting the optical member from an opposite side from the light source, and the prism sheet includes prism portions and a light reflecting portion that covers a part of a surface of the prism portions opposite from the optical member.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: October 13, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takeshi Masuda, Takeshi Ishida
  • Patent number: 10789444
    Abstract: A display apparatus includes a first substrate; a pixel array layer disposed on the first substrate and defining a display area and a non-display area, and the pixel array layer including a pixel signal line; a second substrate disposed opposite to the first substrate; a display medium disposed between the first substrate and the second substrate; and an ultrasonic element (UE) layer, disposed on the second substrate and including an ultrasonic signal line. Within at least parts of the display area corresponding to the ultrasonic element layer, a projection area on the first substrate by projecting the ultrasonic signal line along the normal direction of the first substrate at least partially overlaps with another projection area on the first substrate by projecting the pixel signal line along the normal direction of the first substrate.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: September 29, 2020
    Assignee: INNOLUX CORPORATION
    Inventors: Chang-Chiang Cheng, Chih-Hao Chang
  • Patent number: 10782554
    Abstract: The present application discloses a display apparatus including an image display portion for displaying an image, the image display portion emitting display light along a light propagating direction; and a light modulator assembly having a first light modulator and a second light modulator arranged in series along the light propagating direction. The second light modulator has at least a reflective optical state. The first light modulator is switchable between the reflective optical state and a transmissive optical state and is on a side of the second light modulator proximal to the image display portion. A total number of light modulators including the second light modulator and any light modulator on a side of the second light modulator proximal to the image display portion is N, N is an integer?2.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: September 22, 2020
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Jiantao Liu, Wenbo Li, Xuewen Lv
  • Patent number: 10775678
    Abstract: A display panel includes a first substrate, a second substrate, pixel structures, a sensing structure, a display medium layer, a first control structure, a second control structure, and color filter patterns. The sensing structure includes a first photosensor and a second photosensor. The display medium layer disposed between the first substrate and the second substrate includes a first modulation portion overlapping a first sensing active device of the first photosensor and a second modulation portion overlapping a second sensing active device of the second photosensor. The first control structure is disposed between the first substrate and the display medium layer. The second control structure is disposed between the second substrate and the display medium layer. The first sensing active device and the second sensing active device respectively overlap a first color filter pattern and a second color filter pattern among the color filter patterns.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: September 15, 2020
    Assignee: Au Optronics Corporation
    Inventors: Shao-Ping Lu, Chia-Wei Kuo
  • Patent number: 10732462
    Abstract: A pattern of ink applied to a display region is stabilized, and unevenness in thickness of the ink in the display region is reduced. A substrate has a hole which causes ink to be drawn into the hole, the hole has a third taper which is formed in a stepwise shape having a plurality of steps and which extends in a direction perpendicular to a direction in which the ink flows into the hole, and an angle of a tangential line connecting respective vertices of the plurality of steps of the third taper is shallower than (i) an angle of a first taper which is located on a side of the hole on which side the ink flows into the hole and (ii) an angle of a second taper which is located on a side of the hole on which side the ink is pushed out from the hole.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: August 4, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shinichi Hirato, Shohgo Kamada, Shuji Watanabe
  • Patent number: 10732470
    Abstract: An array substrate, a method for manufacturing the same, a liquid crystal display panel, and a display device are provided. The array substrate includes a first electrode, a second electrode, an insulation layer provided between the first electrode and the second electrode and a film thickness adjustment layer provided between the first electrode and the second electrode. The film thickness adjustment layer is made of a negative thermal expansion material, and is configured to adjust a distance between the first electrode and the second electrode.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: August 4, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Liangliang Jiang, Lei Guo, Ke Dai
  • Patent number: 10732453
    Abstract: The embodiments of the present disclosure relate to a display panel, a method of manufacturing therefor, and a display device. The display panel includes: a first substrate, a second substrate, and a liquid crystal layer disposed between the first substrate and the second substrate; a color film layer disposed on the side of the first substrate adjacent to the liquid crystal layer, the color film layer including a color filter layer, a black matrix, and a first reflector; a first polarizer and a second polarizer, which are respectively disposed on the first substrate and the second substrate; a light absorbing element disposed on the side of the second substrate away from the liquid crystal layer; and a backlight source disposed below the second substrate. The display panel provided by the embodiments of the present disclosure has a better display effect in a bright environment and a dark environment.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: August 4, 2020
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Yingtao Wang