Patents Examined by Ryan Crockett
  • Patent number: 10809563
    Abstract: A liquid crystal display device of the present invention includes in the following order: a liquid crystal panel in a normally black mode; a first adhesive layer; and a supporting substrate. The liquid crystal panel includes, in the order toward the first adhesive layer, a first polarizing plate, a liquid crystal cell, and a second polarizing plate. The liquid crystal cell includes a first substrate, a second substrate facing the first substrate, a liquid crystal layer held between the first substrate and the second substrate, and a second adhesive layer that surrounds the liquid crystal layer and bonds the first substrate and the second substrate at outer edges. The first adhesive layer bonds the second polarizing plate and the supporting substrate at outer edges. A Young's modulus of the first adhesive layer is equal to or higher than a Young's modulus of the second adhesive layer.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: October 20, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Yasuyuki Togashi
  • Patent number: 10795227
    Abstract: A display panel including a dimming panel and a display panel is provided. The dimming panel includes a light-shielding structure.
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: October 6, 2020
    Assignee: Au Optronics Corporation
    Inventors: Ju-Chin Chen, Min-Hsuan Chiu
  • Patent number: 10795206
    Abstract: The present invention provides a liquid crystal display device which allows a backlight case to be easily produced. A liquid crystal display device (1) includes: a liquid crystal panel (3) whose planar shape has a contour a part of which includes a curved part (31); and a backlight case (11) configured to hold therein a backlight for emitting light to the liquid crystal panel (3), the backlight case (11) including a resin part (21) and a sheet metal part (22) which are integrally formed, and the backlight case (11) having a part which corresponds to the curved part (31) and is formed by the resin part (21).
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: October 6, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Hideki Dainobu
  • Patent number: 10782553
    Abstract: A display device includes a first pixel region (FPR), a second pixel region (SPR), a color conversion pattern (CCP), a first overcoat layer (FOL), a barrier layer (BL), a second overcoat layer (SOL), a liquid crystal layer (LCL), and a switching element (SE). The FPR is configured to display a first color (FC). The SPR is adjacent the FPR, and is configured to display a second color (SC) of a shorter peak wavelength than the FC. The CCP is disposed in the FPR, and is configured to: convert a color of incident light into the FC; and output converted light of the FC. The FOL is disposed on the CCP. The BL is of an inorganic material, and is disposed on the FOL. The SOL is of an organic material, and is disposed on the BL. The LCL is disposed on the SOL. The SE is disposed on the LCL.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: September 22, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Koichi Sugitani, Hoon Kang, Hye In Kim, Yong Hoon Yang, Joo Young Yoon, Eui Suk Jung
  • Patent number: 10782582
    Abstract: Example display devices include a waveguide configured to propagate visible light under total internal reflection in a direction parallel to a major surface of the waveguide. The waveguide has formed thereon an outcoupling element configured to outcouple a portion of the visible light in a direction normal to the major surface of the waveguide. The example display devices additionally include a polarization-selective notch reflector disposed on a first side of the waveguide and configured to reflect visible light having a first polarization while transmitting the portion of the visible light having a second polarization. The example display devices further include a polarization-independent notch reflector disposed on a second side of the waveguide and configured to reflect visible light having the first polarization and the second polarization, where the polarization-independent notch reflector is configured to convert a polarization of visible light reflecting therefrom.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: September 22, 2020
    Assignee: Magic Leap, Inc.
    Inventor: Chulwoo Oh
  • Patent number: 10782555
    Abstract: A liquid crystal panel is switched between a transmission state and a reflection state. The liquid crystal panel includes an absorption type polarizing plate on one side of a liquid crystal element, and a reflection type polarizing plate on the other side thereof. In the reflection state, light incident from the absorption type polarizing plate and transmitted through the liquid crystal element has a polarization axis along the reflection axis of the reflection type polarizing plate, and is reflected by the reflection type polarizing plate. In the transmission state, the light incident from the absorption type polarizing plate and transmitted through the liquid crystal element has a polarization axis along the transmission axis orthogonal to the reflection axis, and is transmitted through the reflection type polarizing plate. The absorption type polarizing plate has an average polarization degree of 60-80% inclusive at wavelengths of 450-650 nm.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: September 22, 2020
    Assignee: NIPPON SEIKI CO., LTD.
    Inventors: Ayuko Numamae, Kazuya Ootaki
  • Patent number: 10782578
    Abstract: A method for forming a wire portion of a liquid crystal chromic device. The method includes: a) preparing a liquid crystal chromic device by forming a transparent electrode on a substrate, and forming an alignment film on the transparent electrode; b) forming two or more etching lines spaced apart by a constant interval by irradiating the alignment film with a laser; and c) applying a conductive paste to a valley region of each of the two or more etching lines. The liquid crystal chromic device includes: a substrate; a transparent electrode provided on the substrate; an alignment film provided on the transparent electrode; and two or more etching lines provided on the alignment film. The two or more etching lines are spaced apart by a constant interval, and a valley region of each of the two or more etching lines is coated with a conductive paste.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: September 22, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jeong Ho Park, Bu Gon Shin, Eun Kyu Her
  • Patent number: 10768496
    Abstract: An array board 11b includes a gate line 19, a TFT 17, a pixel electrode 18, a display pixel PX, and a second interlayer insulation film 27. The TFT 17 includes a gate electrode 17a formed from a part of the gate line 19, a channel section 17d formed from an oxide semiconductor film 24, a source section 17b connected to one end of the channel section 17d, and a drain section 17c connected to another end of the channel section 17d and formed from the oxide semiconductor film 24 having resistance lower than the channel section 17d. The pixel electrode 18 is connected to the drain section 17c. The display pixel PX includes the TFT 17 and the pixel electrode 18. The second interlayer insulation film 27 has a second hole in a position overlapping the pixel electrode and the drain section 17c and not overlapping the gate electrode 17a.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: September 8, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Seiichi Uchida, Kuniaki Okada, Naoki Ueda, Takahiro Sasaki
  • Patent number: 10761362
    Abstract: The disclosure discloses a display panel and a display device. The display panel includes: a base substrate, a reflecting layer, a dielectric grating layer, a filter layer, and a color filter layer including a first color filter element for transmitting light rays in a first color, a second color filter element for transmitting light rays in a second color, and a third color filter element for transmitting white light; the filter layer is configured to transmit light rays in first and second colors, and to reflect light rays in a third color; the dielectric grating layer includes a grating element corresponding in position to the third color filter element, and configured to reflect light rays in the first color transmitted through the filter layer to the first color filter element, and to reflect light rays in the second color transmitted through the filter layer to the second color filter element.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: September 1, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yujie Liu, Ming Zhu, Song Yang, Haijun Niu, Zheng Fang, Ge Shi, Shiyu Zhang, Jiahui Han, Yuyao Wang
  • Patent number: 10762806
    Abstract: The present disclosure provides a display device including a light source, a substrate on the light source, a first transflective layer on the substrate, a partition layer on the first transflective layer, a first light converting layer, and a second converting layer. The first transflective layer includes at least one hole, and the partition layer includes a first opening, a second opening, and a third opening overlapped with the hole. The first light converting layer is disposed in the first opening, and the second light converting layer is disposed in the second opening.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: September 1, 2020
    Assignee: InnoLux Corporation
    Inventors: Hsiao-Lang Lin, Tsung-Han Tsai
  • Patent number: 10754203
    Abstract: A liquid crystal panel includes a pair of substrates, a seal part between the pair of substrates and in a non-display region to surround and seal the liquid crystal layer, a planarizing film and a second interlayer insulating film being insulating films on the array substrate across a display region and the non-display region, an alignment film on the array substrate closer to the liquid crystal layer than the planarizing film and the second interlayer insulating film are, the alignment film being disposed across the display region and the non-display region, and a defining part formed of the planarizing film and the second interlayer insulating film, which are insulating films, the defining part being disposed at a position overlapping with the seal part in the non-display region, to define an alignment film non-disposed region where the alignment film is not disposed.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: August 25, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shigeki Tanaka, Ryoh Ueda, Yukio Kurozumi, Seiji Hamada, Ryosuke Takahashi
  • Patent number: 10754184
    Abstract: A heat exchanger for an electronic device including a light module is provided. The heat exchanger includes an internal heat exchange portion configured to be adjacently attached to the light module. The internal heat exchange portion has at least one internal heat dissipation channel. The internal heat dissipation channel is connected with a device space of the electronic device. A high temperature gas flow generated by the light module is enabled to pass through the device space and the internal heat dissipation channel.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: August 25, 2020
    Assignee: DYNASCAN TECHNOLOGY CORP.
    Inventors: Tsun-I Wang, Ching-Chun Wu, Chia-Liang Yang
  • Patent number: 10747066
    Abstract: A liquid crystal display (LCD) is provided. a liquid crystal display comprising: a first substrate and a second substrate that are opposite to each other; a liquid crystal layer arranged between the first substrate and the second substrate; a light blocking pattern including a first light blocking pattern and a second light blocking pattern arranged to extend along one direction on the first substrate; and a column spacer formed on the first light blocking pattern on the first substrate, wherein the light blocking pattern includes an open portion disposed between the first light blocking pattern and the second light blocking pattern, and formed to be spaced apart from the column spacer for a predetermined distance.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: August 18, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeon Ju Seo, Young Gu Kang, Yang Hee Kim, Eun Je Jang, Do Hyun Jung, Sung Jin Hong
  • Patent number: 10747048
    Abstract: This application relates to a color filter (CF) substrate and a method for manufacturing the same.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: August 18, 2020
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CORPORATION LIMITED
    Inventor: Yu-Jen Chen
  • Patent number: 10739501
    Abstract: Provided is a light diffusion film laminate for a reflective display device which is capable of reducing the change in the brightness of the image without reducing the visibility not only from a predetermined observation position (for example, the front direction of the screen), but also from a slightly inclined direction from the predetermined observation position (for example, the front direction of the screen), thereby having excellent display characteristics, and a reflective display device including the light diffusion film laminate.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: August 11, 2020
    Assignee: TOMOEGAWA CO., LTD.
    Inventors: Makoto Murata, Hiroto Katagiri
  • Patent number: 10739646
    Abstract: A reflective semiconductor device includes integrated circuitry disposed in a semiconductor layer. A first plurality of mirrors is formed in a mirror layer over the semiconductor layer, and each of the first plurality of mirrors is spaced apart from one another by at least a uniform width. A thin dielectric film layer covers sidewalls of the first plurality of mirrors and the semiconductor layer in the regions between the spaced apart first plurality of mirrors. A second plurality of mirrors are formed in the mirror layer between the thin dielectric film layer covered sidewalls of the first plurality of mirrors and over the thin dielectric film layer covering the semiconductor layer. Each one of the first and second plurality of mirrors has the uniform width, and is coupled to the integrated circuitry disposed in the semiconductor layer.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: August 11, 2020
    Assignee: OmniVision Technologies, Inc.
    Inventors: Ming Zhang, Yin Qian, Libo Weng, Dyson H. Tai, Chia-Ying Liu, Chia-Jung Liu
  • Patent number: 10732458
    Abstract: A backlight unit for a liquid crystal display device including a liquid crystal panel, includes: a light source including a light-emitting diode (“ED”) which generates and emits light; and a light converting layer between the light source and the liquid crystal panel, spaced apart from the light source, and converting the light from the light source into white light and emitting the white light toward the liquid crystal panel. The light converting layer includes: semiconductor nanocrystals, and a barrier material which restricts penetration of moisture or oxygen.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: August 4, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-joo Jang, Hyun-a Kang, Oul Cho
  • Patent number: 10725349
    Abstract: According to an aspect, a liquid-crystal display device includes a first substrate, a second substrate, and a liquid-crystal layer. The first substrate includes a first electrode and a second electrode, and one of the first electrode and the second electrode is a pixel electrode provide, the first electrode includes an electrode base portion extending in a first direction and comb tooth portions extending in a second direction and protruding in a comb teeth shape from the electrode base portion with a predetermined distance interposed therebetween, and adjacent comb tooth portions include adjacent comb tooth portions having a relation in which a first long side of one comb tooth portion closest to a boundary between pixels is not parallel to a first long side of the other comb tooth portion.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: July 28, 2020
    Assignee: Japan Display Inc.
    Inventor: Toshiharu Matsushima
  • Patent number: 10725331
    Abstract: A display device includes: a backlight unit configured to emit light; a first substrate positioned in a path of a light emitted from the backlight unit and including a first pixel and a second pixel displaying different colors from each other; a second substrate facing the first substrate; a light amount control layer positioned between the first substrate and the second substrate; a gate line disposed on the first substrate and extending in a first direction; a storage line disposed on the substrate and spaced apart from the gate line; and a data line disposed on the first substrate and extending in a second direction intersecting the first direction. The first pixel includes a first thin film transistor, a first pixel electrode, and a first light conversion unit. The second pixel electrode includes a second thin film transistor, and a second light conversion unit.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: July 28, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yeogeon Yoon, Kyungbae Kim, Youngmin Kim, Ilgon Kim, Jangil Kim, Cheolwoo Park, Suwan Woo, Seontae Yoon
  • Patent number: 10725328
    Abstract: The present invention relates to a temperature-controlled dimming film with a function of shielding near-infrared light, which comprises a polymer network skeleton and liquid crystal molecules, wherein the polymer network skeleton consists of a polymer-dispersed liquid crystal network structure and a polymer-stabilized liquid crystal network structure and comprises a polymer matrix with pores inside which polymer networks are vertically aligned; and the liquid crystal molecules are dispersed in the polymer network skeleton and have smectic (SmA)-cholesteric (N*) phase transition. Between the skeleton and the liquid crystal molecules, nanoparticles, having absorption at 800-3000 nm, are dispersed. In the invention, a stepwise polymerization method is utilized to construct a PD&SLC network structure between two substrates, which greatly improve the bonding strength between the two substrates and the heat insulation performance of the temperature-controlled liquid crystal dimming film.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: July 28, 2020
    Assignee: PEKING UNIVERSITY
    Inventors: Huai Yang, Xiao Liang, Mei Chen, Shumeng Guo, Lanying Zhang, Cuihong Zhang, Qian Wang, Chenyue Li, Cheng Zou