Particular Nonoptical Film Or Layer (e.g., Adhesive Layer, Barrier Layer) Patents (Class 349/122)
  • Patent number: 10824022
    Abstract: A liquid crystal cell including a first substrate, a second substrate, a liquid crystal layer and a plurality of first support pillars is provided. The first substrate has a first surface and a second surface opposite to the first surface. The second substrate is disposed beside the first substrate and has a third surface and a fourth surface opposite to the third surface. The first surface of the first substrate and the third surface of the second substrate face each other. The liquid crystal layer is disposed between the first substrate and the second substrate. The plurality of first support pillars are configured to form a cell gap of the liquid crystal cell and disposed on the first surface of the first substrate, wherein the first substrate and the plurality of first support pillars are integrally formed and made of a same material.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: November 3, 2020
    Assignee: LIQXTAL TECHNOLOGY INC.
    Inventor: Chih-Chan Lin
  • Patent number: 10823901
    Abstract: A display device having a display region and a peripheral region surrounding the display region is provided. The display device includes a first adhesion layer sandwiched between a display unit and a protective structure. The protective structure includes a first protective layer having a first length in a first direction. The protective structure also includes a second adhesion layer disposed on the first protective layer. The protective structure further includes a second protective layer disposed on the second adhesion layer, and the second protective layer has a second length in the first direction, wherein the difference between the first length and the second length is between 0 and 1 mm, and wherein the second protective layer is on the outermost side of the display device.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: November 3, 2020
    Assignee: INNOLUX CORPORATION
    Inventors: I-Chang Liang, I-Jung Lin, Yuan-Jen Cheng, Tsu-Hsien Ku, Ying-Yao Tang, Fang-Cheng Jhou, Li-Chi Luo, Ruei-Ting Huang, Chia-Wei Lai
  • Patent number: 10809839
    Abstract: A touch panel display device is provided with an active matrix substrate having multiple pixels corresponding to N-number colors (N is an odd number of three or more). The active matrix substrate includes multiple source lines, multiple common electrodes, and multiple signal lines connected to the respective common electrodes. The active matrix substrate includes, outside its display area, a source line driving circuit, a common electrode driving circuit that supplies a predetermined voltage signal to the signal lines, source line connection portions that connect between the source lines and the source line driving circuit, signal line connection portions that connect between the signal lines and the common electrode driving circuit, and multiple outside-area dummy lines having predetermined potential.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: October 20, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masakatsu Tominaga, Yasuhiro Mimura, Tomofumi Kubota
  • Patent number: 10784316
    Abstract: A display device includes a substrate including a display area and a non-display area. First, second, and third insulating layers are sequentially disposed on the substrate. Pixels are disposed in the display area. Each of the pixels including a transistor and a light emitting element connected to the transistor. A data line is disposed in the display area. The data line is configured to supply a data signal to each of the plurality of pixels. A wiring portion is disposed in the non-display area. The wiring portion includes a connecting line connected to the data line and a fan-out line connected to the connecting line. A dummy pattern is disposed in the non-display area. The dummy pattern at least partially overlaps the wiring portion.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: September 22, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Seon Lee, Moo Soon Ko, Young Woo Park, Se Wan Son, Jin Sung An, Min Woo Woo, Ju Won Yoon, Wang Woo Lee, Jeong Soo Lee, Deuk Myung Ji
  • Patent number: 10768488
    Abstract: A method for manufacturing a liquid crystal display device of the instant application includes a first substrate preparing step of preparing a first substrate including a plurality of source lines and a plurality of gate lines; a second substrate preparing step of preparing a second substrate including a color filter; and a substrate bonding step of bonding the first substrate and the second substrate together using a first seal member. In the substrate bonding step, the first seal member is disposed in a manner that at least a part of the first seal member overlaps the color filter in plan view.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: September 8, 2020
    Assignee: Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Hiroaki Iwato, Makoto Fujimoto
  • Patent number: 10761366
    Abstract: The present invention provides a method for improving visibility of an image display device which is capable of providing an image display device excellent in anti-reflection properties and bright-field contrast even using an optical layered body including a light-transmitting substrate having in-plane birefringence, such as a polyester film. The method of the present invention is a method for improving visibility of an image display device that has an optical layered body including a light-transmitting substrate having in-plane birefringence and an optical functional layer disposed on one surface of the substrate. The method includes the step of disposing the optical layered body such that the slow axis showing a greater refractive index of the light-transmitting substrate is in parallel with the vertical direction of a display screen of the image display device.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: September 1, 2020
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Takashi Kuroda, Makoto Honda
  • Patent number: 10754085
    Abstract: A lighting device 12 includes: an LED 13; an LED substrate 14 at least having an LED mounting portion 22 on which a surface of the LED 13 adjacent to a light-emitting surface 13a of the LED 13 is mounted and a first extension portion 23 extending from the LED mounting port on 22 toward a side opposite to the light-emitting surface 13a; and an LED supporting member 18 at least including an LED supporting portion 25 and a substrate contact portion 27. The LED supporting portion 25 is disposed on an opposite side from the LED substrate 14 with respect to the LED 13 and supports the LED 13 and the substrate contact portion 27 extends along a plate surface of the LED substrate 14 and is in contact with at least a part of the first extension portion 23.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: August 25, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Yasuyuki Togashi
  • Patent number: 10747058
    Abstract: According to one embodiment, the organic insulating film and the alignment film are provided on the first substrate. The alignment film is located between the liquid crystal layer and the organic insulating film and contacts the liquid crystal layer. The organic insulating film has a restricting portion on an inner side from the sealant and on an outer side from the display area. The restricting portion includes a recess and a projection extending in predetermined directions. The alignment film is formed on the restricting portion.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: August 18, 2020
    Assignee: Japan Display Inc.
    Inventors: Daiichi Suzuki, Hirofumi Wakemoto, Mitsutaka Okita, Tetsuya Kojima
  • Patent number: 10725325
    Abstract: A conductive substrate is provided that is arranged on an image display surface of a liquid crystal panel. The conductive substrate includes a transparent base material, a metal layer formed on at least one surface of the transparent base material, and a blackened layer formed on at least one surface of the transparent base material. Provided the color of the image display surface of the liquid crystal panel during backlight-off time, when converted into the CIE (L*a*b*) color space, has a b* value denoted as “b*panel”, the color of the blackened layer, when converted into the CIE (L*a*b*) color space, has a b* value that satisfies the following Formula 1: (b*panel+1)?b*?(b*panel?3.5) ??Formula 1.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: July 28, 2020
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventor: Takumi Shimoji
  • Patent number: 10718980
    Abstract: The present invention relates to a liquid crystal window, a method of manufacturing the same, an optical element comprising the liquid crystal window, and a use thereof. The liquid crystal window of the present invention and its manufacturing method have excellent fixing property of a spacer and thus excellent cell gap maintaining characteristics, and can effectively prevent thermal damage of a base layer and be economical in manufacturing processes.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: July 21, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jung Woon Kim, Su Young Ryu, Byoung Kun Jeon, Moon Soo Park
  • Patent number: 10711144
    Abstract: The present invention relates to an anti-scattering film and a method for manufacturing the same, the anti-scattering film including: a transparent film; and a hard coating layer formed on top of the transparent film, in which the hard coating layer is formed of a composition which includes a UV-curable acrylate resin, first inorganic nanoparticles, second inorganic nanoparticles, a photoinitiator, and a mixed solvent comprising a ketone-based solvent and an alcohol-based solvent, and a plurality of protruding parts is formed on an upper surface of the hard coating layer.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: July 14, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Joo-Hee Hong, Hong-Kwan Cho, Jang-Soon Kim
  • Patent number: 10670899
    Abstract: There are provided an apparatus and a method of manufacturing the apparatus. The apparatus includes: a plate-shaped base; a cover plate; and a curable resin adhering the plate-shaped base and the cover plate together. At least one of the plate-shaped base and the cover plate includes a light-shielding member covering a peripheral part of the at least one of the plate-shaped base and the cover plate. In an area which is shielded by the light-shielding member, a part of the curable resin at a side of an inner edge of the light shielding member is lower in one of an elastic modulus, a curing degree, and an adhesion strength than another part of the curable resin at a side of an outer edge of the light shielding member.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: June 2, 2020
    Assignee: TIANMA MICROELECTRONICS CO., LTD.
    Inventors: Hitoshi Yoshida, Futoshi Nakanishi, Akira Fujita
  • Patent number: 10665654
    Abstract: A display device in an embodiment according to the present invention includes a display region above a first substrate, the display region includes, a plurality of a pixels, a transistor arranged to each of the plurality of the pixels, a light emitting element arranged to each of plurality of the pixels, an interlayer insulating layer above the transistor, and a planarization film above the inter layer insulating layer, a terminal region above the first substrate in a periphery region of the display region, the terminal region including, a plurality of terminals, each of which includes a first conductive layer above the interlayer insulating layer, the planarization film is arranged in a side part of the first conductive layer, and an inorganic insulating layer covering an upper surface of planarization film and an end part of the first conductive layer.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: May 26, 2020
    Assignee: Japan Display Inc.
    Inventor: Kazuhiro Odaka
  • Patent number: 10663820
    Abstract: A method for manufacturing a display substrate includes a step of forming a pattern of a barrier layer and a pattern of a first electrode. The step of forming the pattern of the barrier layer and the pattern of the first electrode includes: forming a barrier layer film and a first electrode film sequentially; and forming the pattern of the barrier layer and the pattern of the first electrode by a single patterning process.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: May 26, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xianxue Duan, Mingji Bai, Dezhi Xu, Zhixiang Zou
  • Patent number: 10663824
    Abstract: The present invention provides a liquid crystal display panel capable of reducing display defects due to bubbles. The liquid crystal display panel of the present invention includes, sequentially from a back side to a viewing side, a first substrate, a liquid crystal layer, and a second substrate. The first substrate includes, sequentially from a liquid crystal layer side, a pixel electrode and an organic insulating film in contact with the pixel electrode. The organic insulating film is provided with a void at a position overlapping an end of the pixel electrode. Preferably, the second substrate includes a black matrix and the void overlaps the black matrix.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: May 26, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Hajime Saitoh
  • Patent number: 10627659
    Abstract: According to one embodiment, a display device includes a liquid crystal display panel, a cover panel on a display surface of the liquid crystal display panel, a backlight unit opposed to the liquid crystal display panel, a case covering the backlight unit and the liquid crystal display panel, and including at least a part fixed to the cover panel, and an adhesive provided on the cover panel along the liquid crystal display panel. The adhesive includes a surface opposite to the cover panel, a first area on the surface, and a second area on the surface, located on an inner side closer to the liquid crystal display panel than the first area. The part of the case is adhered to the second area.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: April 21, 2020
    Assignee: Japan Display Inc.
    Inventors: Tetsuro Ochi, Hiroyuki Sakakura
  • Patent number: 10621893
    Abstract: A display device with a first edge and a second edge, the first edge and the second edge extending in a same direction, the display device including a light-emitting layer, and an electronic circuit board, wherein the display device emits light toward a front side with the display device is bent as a first terminal portion disposed on a surface of an end portion on the first edge and a second terminal portion disposed on a back face of an end portion on the second edge facing one another, and the electronic circuit board includes a first surface mounted to the first terminal portion and a second surface opposite the first surface and mounted to the second terminal portion.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: April 14, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Ryoh Araki, Taketoshi Nakano, Tsuyoshi Kawaguchi
  • Patent number: 10615375
    Abstract: The invention discloses an organic light-emitting display panel, an electronic device and a method for manufacturing the same. The organic light-emitting display panel includes: pixel regions on a substrate which emit light of various colors; each pixel region includes a first electrode, a light-emitting functional layer and a second electrode, one of the first electrode and the second electrode is light exit side electrode(s); an optical coupling layer is set on one side of the light exit side electrode far from the light-emitting functional layer; the refractive index of the optical coupling layer in the blue light wavelength region is 2 to 2.3; the difference between the refractive index of the optical coupling layer in the blue light wavelength region and that in the green light wavelength region is less than or equal to 0.2.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: April 7, 2020
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Wanming Hua, Xiangcheng Wang, Hongyang Ren, Yuji Hamada, Wei He, Jinghua Niu, Chen Liu
  • Patent number: 10601113
    Abstract: An electronic device is provided. The electronic device includes a housing including a front plate, a rear plate facing away from the front plate, and a side member surrounding a space between the front plate and the rear plate, the housing including at least one antenna element extended along one portion of the side member, a display exposed through the front plate and including a display panel and a shield layer, a wireless communication circuit electrically connected to the antenna element, a support member, at least a portion of which is positioned in the space in parallel with the shield layer, and a conductive patch layer interposed between the shield layer and the support member.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: March 24, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hong Pyo Bae, Dong Yeon Kim, Ho Jung Nam, Sung Koo Park, Jae Woon Park, Min Cheol Seo, Him Chan Yun, Han Dug Lee, Hyun Woo Lee, Hyung Joo Lee, Byung Man Lim, Nak Chung Choi
  • Patent number: 10591958
    Abstract: An exemplary embodiment provides a rollable display device including: a rollable display panel including a front surface and a rear surface, a first damping layer positioned on the front surface of the rollable display panel, and a second damping layer positioned on the rear surface of the rollable display panel. The first damping layer and the second damping layer have a shear thickening characteristic.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: March 17, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Woong Kim, Khachatryan Hayk, Hyun Woo Koo, Min-Sung Kim, Jeong Ho Kim, Jin Hwan Choi
  • Patent number: 10580846
    Abstract: A display apparatus includes a display region and a peripheral region adjacent to the display region. The display apparatus further includes a first flexible substrate (FFS), a driving circuit (DC), a conductive pattern (CP), a conductive line, a light-emitting device, and a support substrate. The FFS includes a first surface and a second surface opposite the first surface. The second surface includes, in the peripheral region, a cavity extending into the FFS. The DC is on the first surface and includes at least one transistor. The CP is in the cavity and is partially exposed by the cavity. The conductive line electrically connects the CP to the DC. The light-emitting device is in the display region and is electrically connected to the DC. The support substrate is on the second surface. In a view normal to the second surface, the support substrate is spaced apart from the CP.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: March 3, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kiseong Seo, Jekil Ryu, Wonkyu Choe, Jungho Choi, Mugyeom Kim, Changyong Jeong
  • Patent number: 10564495
    Abstract: A liquid crystal display device according to one aspect of the disclosure includes: a liquid crystal panel including a first substrate and a second substrate that oppose each other, and a liquid crystal layer of a horizontal alignment type provided between the first substrate and the second substrate; and a first polarizing plate and a second polarizing plate that sandwich the liquid crystal panel. A transparent conductive film layer connected to a ground potential is formed on the first substrate. A plurality of pixel electrodes are formed above the second substrate. A distance between the liquid crystal layer and the transparent conductive film layer ranges 15 ?m to 200 ?m.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: February 18, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Mayuko Sakamoto, Kenji Misono
  • Patent number: 10549509
    Abstract: There is provided a polarizing plate, including: a polarizing layer having a thickness not greater than 20 ?m; a first protective film stacked on one surface of the polarizing layer, with a first adhesive layer formed from an active energy ray curing adhesive being interposed; and a second protective film stacked on the other surface of the polarizing layer, with a second adhesive layer formed from a water-soluble adhesive being interposed. There are also provided a polarizing plate with a pressure sensitive adhesive layer, a substrate having a polarizing plate bonded thereto, a liquid crystal display device, and an organic electroluminescence display device, all of which include the polarizing plate. Preferably, at least one of the first protective film and the second protective film has a moisture permeability not higher than 1000 g/m2/24 hr.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: February 4, 2020
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kenji Matsuno, Yuuhei Inokuchi
  • Patent number: 10553664
    Abstract: A display device includes a first panel including a pad side area at one side of the first panel, a first optically transparent adhesive member on one surface of the first panel, a printed circuit board including a first attachment portion attached to the one surface of the first panel at the pad side area, a window on the first optically transparent adhesive member, a second optically transparent adhesive member on the other surface of the first panel, and a second panel on the second optically transparent adhesive member opposite the first panel, wherein the pad side area has a connection area at which the printed circuit board is attached to the first panel, and at which an edge of the first optically transparent adhesive member extends beyond an edge of the second optically transparent adhesive member, and a non-connection area at which the printed circuit board is not attached.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: February 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon Sung Park, Jeong Jin Kim, Seong Sik Ahn
  • Patent number: 10546516
    Abstract: When display panels are arranged to form a tiled-type display apparatus, the precision of the spaces between adjacent display panels is to be increased, and display quality is to be enhanced. A display apparatus includes display panels and space forming members. Pixels are arranged on the display panels. Space forming members are disposed between a display panel and a display panel, and form a space between the display panels. As spaces are formed by the space forming members, the spaces between the display panels are prevented from changing. Thus, appearances of joints are also prevented.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: January 28, 2020
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Katsuhiro Tomoda, Akiyoshi Aoyagi
  • Patent number: 10545361
    Abstract: The present disclosure relates to a technical field of display and in particular to a display device housing and a display device. The display device housing includes a front frame and a back plate which cooperate to form an accommodation portion for accommodating a display panel and a backlight module; and at least one elastic member mounted inside the front frame, wherein at least a portion of each of the elastic members is disposed between the front frame and a side face of the display panel to be mounted. The above display device housing can avoid the appearance of discrete bright spots in a display screen of the display device generated under long-time shock, and can also alleviate or eliminate light leakage in the display device.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: January 28, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yong Song, Gang Yang
  • Patent number: 10541233
    Abstract: A display device including a circuit substrate, a plurality of pixels, and a light-shielding layer is provided. The pixels include a plurality of light-emitting elements. The light-emitting elements are disposed on the circuit substrate and are electrically connected to the circuit substrate. The light-emitting elements in the pixels are arranged along an arrangement direction. The light-shielding layer is disposed on the circuit substrate and has a plurality of pixel apertures. The pixels are disposed in a corresponding pixel aperture. The light-shielding layer includes a plurality of first light-shielding patterns extending in the arrangement direction and a plurality of second light-shielding patterns connected to the first light-shielding patterns. The extending direction of the second light-shielding patterns is different from the extending direction of the first light-shielding patterns.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: January 21, 2020
    Assignees: Industrial Technology Research Institute, Macroblock, Inc.
    Inventors: Po-Hsun Wang, Chia-Hsin Chao, Ming-Hsien Wu, Yen-Hsiang Fang, Chien-Chung Lin, Ming-Jer Kao, Feng-Pin Chang
  • Patent number: 10527769
    Abstract: The present invention relates to a method for manufacturing a polarizing plate, the method including: preparing a polarizing plate where a protection film is laminated on one surface of a polyvinyl alcohol-based polarizer dyed with at least one or more of iodine and dichromatic dyes; and forming a depolarization region having single transmittance of 80% or more at a wavelength band in a range of 400 nm to 800 nm by bringing a decoloring solution including 1 to 30 wt % of a decolorant into local contact with the other surface of the polarizer, and a polarizing plate manufactured by using the same.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: January 7, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Byung Sun Lee, Ji Young Kim, Sung Hyun Nam, Kyun Il Rah
  • Patent number: 10509246
    Abstract: A display panel and a driving method and manufacturing method thereof, and a display device. The display panel includes a base substrate, a dielectric layer provided on the base substrate, and a refractive index variable layer provided on a side of the dielectric layer away from the base substrate; the refractive index variable layer is in contact with the dielectric layer and has a contact surface with the dielectric layer, and the refractive index variable layer can change the refractive index so that the light entering from the light incident side is totally reflected or transmitted at the contact surface.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: December 17, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Xiao Zhang, Pengxia Liang, Kang Guo, Xin Gu
  • Patent number: 10502887
    Abstract: A display device having a display region and a peripheral region surrounding the display region is provided. The display device includes a first adhesion layer sandwiched between a display unit and a protective structure. The protective structure includes a first protective layer having a first length in a first direction. The protective structure also includes a second adhesion layer disposed on the first protective layer. The protective structure further includes a second protective layer disposed on the second adhesion layer, and the second protective layer has a second length in the first direction, wherein the difference between the first length and the second length is between 0 and 1 mm, and wherein the second protective layer is on the outermost side of the display device.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: December 10, 2019
    Assignee: INNOLUX CORPORATION
    Inventors: I-Chang Liang, I-Jung Lin, Yuan-Jen Cheng, Tsu-Hsien Ku, Ying-Yao Tang, Fang-Cheng Jhou, Li-Chi Luo, Ruei-Ting Huang, Chia-Wei Lai
  • Patent number: 10503016
    Abstract: Provided is a liquid crystal display device that has excellent visibility while using a protective film comprising a polyester film. The liquid crystal display device comprises a backlight light source, and a liquid crystal cell disposed between two polarizers; the backlight light source being a white light-emitting diode; each of the polarizers comprising a polarizing film and protective films laminated on both sides of the polarizing film; and at least one of the protective films being a polyester film having a retardation of 3,000 to 30,000 nm.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: December 10, 2019
    Assignee: TOYOBO CO., LTD.
    Inventors: Koichi Murata, Yasushi Sasaki
  • Patent number: 10495906
    Abstract: A viewing angle control device capable of controlling a viewing angle over a viewing surface is disclosed herein, which includes a transparent substrate and at least one light source. The transparent substrate is disposed over the viewing surface. Each light source is disposed over a side surface of the transparent substrate and is configured to emit a light into the transparent substrate from the side surface upon being turned on. The transparent substrate is provided with a plurality of dots, which are configured to scatter the light from each light source such that the viewing angle over the viewing surface is switched by turning on or off the each light source. A display apparatus including a viewing angle control device is also disclosed, where the transparent substrate of the viewing angle control device is disposed over a display surface of a display panel.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: December 3, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Chunyan Ji
  • Patent number: 10497905
    Abstract: An organic electroluminescence display device includes, from a visible side, at least: a circular polarization plate; and an organic electroluminescence display element having a pair of electrodes and an organic light emitting layer sandwiched therebetween. A high refractive index layer has a refractive index of greater than 1.7 and less than 2.1 is disposed between the plate and one of the electrodes on the visible side, the plate has a polarizer, a ?/2 plate, and a ?/4 plate in this order from the visible side, a retardation RthA (550) of the ?/2 plate in a thickness direction at a wavelength of 550 nm is within a range of greater than ?120 nm and less than ?40 nm, and a retardation RthB (550) of the ?/4 plate in a thickness direction at a wavelength of 550 nm is within a range of greater than ?60 nm and less than 20 nm.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: December 3, 2019
    Assignee: FUJIFILM Corporation
    Inventor: Shinpei Yoshida
  • Patent number: 10488721
    Abstract: A method of forming an electrical connection in a liquid crystal on silicon (LCOS) device, comprising: providing a silicon substrate including a first surface and a second surface, wherein the silicon substrate includes an conductive pad at the first surface; providing a cover glass panel that includes a cover glass, a transparent electrode layer formed upon the cover glass, and a first sealing material layer formed upon the transparent electrode layer; forming a second sealing material layer upon the first surface of the silicon substrate, wherein the second sealing material layer covers the conductive pad; forming a display layer, comprising a liquid crystal portion, a first seal portion, and a second seal portion, upon the second sealing material layer; wherein the first seal portion and the second seal portion are situated to form a space between them; and wherein the space is situated on top of the conductive pad; placing the cover glass panel upon the display layer, wherein the first sealing material la
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: November 26, 2019
    Assignee: OmniVision Technologies, Inc.
    Inventor: Chun-Sheng Fan
  • Patent number: 10488712
    Abstract: Provided is a liquid crystal display apparatus such that a liquid material for an alignment film can be prevented from entering a region for forming a sealing member so that the peeling of the sealing member caused by the deterioration of adhesion between the sealing member and a substrate can be prevented and a narrow frame can be attained. A display panel includes a rectangular-shaped TFT substrate and CF substrate bonded together with a sealing member formed at a periphery thereof, a liquid crystal layer provided at a region surrounded by the sealing member between the two substrates to form a display region, and an groove and protrusion part provided between the display region and the sealing member having a groove formed along a circumferential direction in a region between the display region and the sealing member, the groove and protrusion part having wave-like shape in a plan view.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: November 26, 2019
    Assignee: Sakai Display Products Corporation
    Inventors: Tatsuya Tezuka, Taiki Hayai, Kenichi Mukai, Naoki Kotani, Kazunori Yamamoto
  • Patent number: 10481447
    Abstract: A liquid crystal display device is formed from a first display panel and a second display panel in a stack configuration. Each of the first display panel and the second display panel has a TFT substrate. A signal circuit is disposed on the TFT substrate of the first display panel to provide data signals and timing signals. A signal connector is used to covey the data signals and timing signals from the first display panel to the second display panel. Each of the first display panel and the second display panel has a plurality of gate lines, including a first gate line and a last gate line. In the stacked configuration, the last gate line of the first display panel and last gate line of the second display panel are adjacent to the signal connector.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: November 19, 2019
    Assignee: A.U. Vista, Inc.
    Inventors: Seok-Lyul Lee, Fang-Chen Luo, Adiel Abileah, Willem Den Boer
  • Patent number: 10483113
    Abstract: There is provided a TFT substrate that prevents corrosion of a gate electrode and a method for manufacturing the TFT substrate. The TFT substrate comprises a substrate; a gate comprising a gate electrode and a gate wiring, the gate comprising copper and formed on one surface of the substrate; a protection film to cover the gate; an insulation film formed on the protection film; a semiconductor film formed on the insulation film; and a source and a drain formed on the semiconductor film and facing each other with a space therebetween above the gate electrode, wherein the protection film covers entire exposed surface of the gate.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: November 19, 2019
    Assignee: Sakai Display Products Corporation
    Inventor: Ryo Murata
  • Patent number: 10467452
    Abstract: A fingerprint identification display panel and a display device are disclosed. For the liquid crystal layer at the position corresponding to the first opening area corresponding to the photosensitive sensing unit in the light shielding layer, the initial direction of the long axis of the liquid crystal molecules is set to form an angle of 45 degrees with the transmission axis direction of the upper polarizer, and the liquid crystal layer at the position corresponding to the first opening area is controlled to form an equivalent quarter-wave plate.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: November 5, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Changfeng Li, Haisheng Wang, Yingming Liu, Rui Xu, Pengpeng Wang, Pengcheng Lu
  • Patent number: 10468634
    Abstract: The present invention provides an OLED display panel and an OLED display apparatus. The OLED display panel includes a substrate, an OLED layer, an electro-polarizing layer, a light-sensing layer and a control chip. The OLED layer is mounted on the substrate. The electro-polarizing layer is mounted on the OLED layer and has a polarized state and a non-polarized state. The light-sensing layer is used to transfer an external light signal into an electric signal. The control chip is connected to the OLED layer, the electro-polarizing layer and the light-sensing layer.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: November 5, 2019
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventor: Kui Xu
  • Patent number: 10459137
    Abstract: A metal wire grid polarization plate and a manufacturing method thereof, a display panel and a display device are provided. The metal wire grid polarization plate includes a substrate, a light absorption wire grid and a metal wire grid. The light absorption wire grid is disposed on a side of the substrate, and the metal wire grid covers the light absorption wire grid.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: October 29, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ming Zhu, Yafeng Yang, Zhen Liu, Jikai Yao
  • Patent number: 10446081
    Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a lower substrate including a display area and a non-display area surrounding the display area, wherein a plurality of pixels are formed in the display area. The OLED display also includes an embedded circuit formed in the configured to apply a plurality of signals to the pixels, and an initialization wiring formed in the non-display area and configured to apply an initialization voltage to each of the pixels. The initialization circuit is formed in a layer so as to at least partially overlap with the area of the embedded circuit.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: October 15, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Chang-Soo Pyon
  • Patent number: 10416484
    Abstract: In a liquid crystal display device, an auxiliary capacitance wiring driver changes a potential of an auxiliary capacitance wiring so that a dielectric torque of liquid crystal molecules of a pixel (PXj) to which a minimum voltage corresponding to a backlight is written becomes larger while the backlight is turned off, and a scanning signal line driver drives a scanning signal line so that image data is written to the pixel in a state in which the potential of the auxiliary capacitance wiring is changed so that the dielectric torque of the liquid crystal molecules of the pixel becomes larger.
    Type: Grant
    Filed: September 29, 2018
    Date of Patent: September 17, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Masahiro Imai
  • Patent number: 10401663
    Abstract: A curved LCD and method of manufacturing the same are disclosed. The curved LCD includes a curved LCD panel having first and second substrates. A major surface of the first substrate faces a major surface of the second substrate. A liquid crystal layer is disposed between the major surface of the first substrate and the major surface of the second substrate. A third substrate is made of a glass or a synthetic resin and is curved in geometry. A fourth substrate made of glass is curved in geometry. The LCD panel is secured to the third and fourth substrates between a major surface of the third substrate and a major surface of the fourth substrate. The fourth substrate and the LCD panel are positioned on a concave side of a curve of the fourth substrate. The third substrate is relatively thicker than the fourth substrate.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: September 3, 2019
    Assignee: Panasonic Liquid Crystal Display Co., Ltd.
    Inventor: Kazuhiko Tsuda
  • Patent number: 10401689
    Abstract: An electronic device may be provided with a display having substrate layers such as a color filter layer, thin-film transistor layer, or other display layers. An array of pixels may be formed from thin-film circuitry on a display layer. A color filter layer may be formed from an array of color filter elements on a display layer. The color filter elements may provide the array of pixels with the ability to display color images. In a liquid crystal display configuration, a liquid crystal layer may be interposed between the substrate layers. A ring of sealant may surround the liquid crystal layer and may be interposed between the substrate layers. The display may have a periphery. The substrate layers may be welded with a glass weld such as a laser glass weld or other weld on an edge surface of the substrate layers running along the periphery.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: September 3, 2019
    Assignee: Apple Inc.
    Inventors: Nathan K. Gupta, Atanas V. Gagov
  • Patent number: 10393511
    Abstract: A measuring device and method for a substrate warping amount includes a first substrate and a second substrate disposed oppositely. The measuring device includes a light source, a measuring eyepiece and a processor. The light source is configured to emit a monochromatic light to a region to be measured of the display motherboard, and form a Newton ring interference pattern. The measuring eyepiece is configured to acquire the Newton ring interference pattern and measure a diameter and a corresponding order number of each interference fringe in the Newton ring interference pattern. The processor is connected to the measuring eyepiece and configured to obtain a thickness of an air layer at each interference fringe according to the diameter and the corresponding order number of each interference fringe and a wavelength of the monochromatic light, to obtain a warping amount of the region to be measured of the display motherboard.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: August 27, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Xuebing Jiang
  • Patent number: 10379266
    Abstract: A near-eye display device includes a display panel and a plurality of light modulation units. The display panel includes a plurality of display pixel units configured to emit display light. The light modulation units are disposed on a light emitting surface of the display panel, and each of the light modulation units is disposed corresponding to one of the display pixel units. Each of the light modulation units is configured to direct the display light emitted from the corresponding display pixel unit to an eye of a user, and a width of the display light directed to the eye of the user is smaller than the pupil size of the eye. The user may still receive clear images when the near-eye display is out of focus because the display light directed to the eye has the width smaller than the pupil size.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: August 13, 2019
    Inventor: Sung-Yang Wu
  • Patent number: 10372003
    Abstract: According to one embodiment, a display device includes a first substrate including a semiconductor layer, a first inorganic insulating film provided above the semiconductor layer and including a first opening, an organic insulating film provided above the semiconductor layer and including a second opening in a region which overlaps the first opening, a metal film stacked on the semiconductor layer and a pixel electrode provided in the first opening and the second opening to be in contact with the metal film and the semiconductor layer, and the metal film is spaced from a first side surface of the first opening and a second side surface of the second opening.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: August 6, 2019
    Assignee: Japan Display Inc.
    Inventor: Yasuhiro Kanaya
  • Patent number: 10367047
    Abstract: A display device in an embodiment according to the present invention includes a display region above a first substrate, the display region includes, a plurality of a pixels, a transistor arranged to each of the plurality of the pixels, a light emitting element arranged to each of plurality of the pixels, an interlayer insulating layer above the transistor, and a planarization film above the inter layer insulating layer, a terminal region above the first substrate in a periphery region of the display region, the terminal region including, a plurality of terminals, each of which includes a first conductive layer above the interlayer insulating layer, the planarization film is arranged in a side part of the first conductive layer, and an inorganic insulating layer covering an upper surface of planarization film and an end part of the first conductive layer.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: July 30, 2019
    Assignee: Japan Display Inc.
    Inventor: Kazuhiro Odaka
  • Patent number: 10367014
    Abstract: A display device in which a peripheral circuit portion has high operation stability is provided. The display device includes a first substrate and a second substrate. A first insulating layer is provided over a first surface of the first substrate. A second insulating layer is provided over a first surface of the second substrate. The first surface of the first substrate and the first surface of the second substrate face each other. An adhesive layer is provided between the first insulating layer and the second insulating layer. A protective film in contact with the first substrate, the first insulating layer, the adhesive layer, the second insulating layer, and the second substrate is formed in the vicinity of a peripheral portion of the first substrate and the second substrate.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: July 30, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Yoshiharu Hirakata, Takashi Hamada, Kohei Yokoyama, Yasuhiro Jinbo, Tetsuji Ishitani, Daisuke Kubota
  • Patent number: 10353246
    Abstract: The present invention aims to provide a liquid crystal display device highly suppressing occurrence of rainbow interference pattern in displayed images. The present invention is a liquid crystal display device including: a back light source, a liquid crystal cell, a color filter, a polarizer, and a polarizer protective film arranged in the stated order, wherein the polarizer protective film has a retardation of not less than 6000 nm, and a difference (nx?ny) of not less than 0.05 between a refractive index (nx) in a slow axis direction that is a highest refractive index direction and a refractive index (ny) in a fast axis direction that is orthogonal to the slow axis direction, and an absorption axis of the polarizer and the slow axis of the polarizer protective film are arranged to form an angle within a range of 0°±30° or 90°±30°.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: July 16, 2019
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Takashi Kuroda, Seiichi Isojima, Norinaga Nakamura