Patents Examined by Richard Kim
  • Patent number: 10168458
    Abstract: A curved liquid crystal display device includes first and second substrates facing each other and including a central region and a peripheral region; a plurality of data lines disposed on the first substrate and being spaced apart from each other by the same distance; a plurality of gate lines disposed on the first substrate and crossing the plurality of data lines; a pixel electrode disposed on the first substrate; a common electrode on the first substrate or the second substrate; a plurality of black matrixes disposed on the second substrate, a distance between adjacent black matrixes in the central region being smaller than a distance between adjacent black matrixes in the peripheral region; and a liquid crystal layer disposed between the first and second substrates.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: January 1, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: In-Yeong Kong, Do-Sung Kim, Hee-Young Chae, Se-Hong Park, Jong-Sin Park, Ja-Young Pyun, Dong-Yoon Lee, Jae-Woong Youn
  • Patent number: 10156755
    Abstract: A liquid crystal display (LCD) includes: a substrate including a light transmitting region and a light blocking region; a thin film transistor disposed in the light blocking region, the thin film transistor including a source electrode, a drain electrode, and a gate electrode; a first insulating layer disposed on the drain electrode, the first insulating layer including a contact hole for exposing the drain electrode; a pixel electrode disposed on the first insulating layer, the pixel electrode connected to the drain electrode through the contact hole; and a protruding portion disposed on the pixel electrode, wherein the pixel electrode includes: a stem portion disposed in the light transmitting region; a plurality of branch portions connected to the stem portion; and an extension disposed in the light blocking region, the extension configured to extend from the stem portion or the branch portions, and wherein the protruding portion overlaps the extension.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: December 18, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang Yong No
  • Patent number: 10151954
    Abstract: The present application discloses an array substrate and its fabricating method thereof, the array substrate including a substrate, a gate electrode, a gate insulating layer, a channel layer, an insulating layer, and a passivation layer sequentially formed on the surface of the substrate; an oxide semiconductor layer constituting the channel layer and a plurality of first IPS electrodes spaced apart from the oxide semiconductor layer is further provided on the gate insulating layer; the insulating layer covers the oxide semiconductor layer and the oxide semiconductor layer and the plurality of first IPS electrodes; the passivation layer covers the channel layer and formed with trenches, the trenches located on a side of each of the first IPS electrode and extending to the gate insulation layer; a second IPS electrodes corresponding to the first IPS electrodes and connected to the first IPS electrodes are formed on the passivation layer.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: December 11, 2018
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Xianwang Wei, Yang Liu
  • Patent number: 10133131
    Abstract: A curved display device includes a display panel and members to curve the display panel in a first direction. The display panel includes a display substrate and a counter substrate. The display substrate comprises a pixel electrode disposed on a display area and in which first slits are formed, and the counter substrate comprises a common electrode facing the pixel electrode and in which second slits are formed. A first side area, a central area and a second side area are sequentially located in the first direction on the display area. When the display panel has a flat shape, a portion of the common electrode positioned between two adjacent second slits among the second slits overlaps the pixel electrode by an overlapping width. The length of the overlapping width in each of the first and second side areas is different from that of the overlapping width in the central area.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: November 20, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Minwook Park, Jeongman Son, JinYoung Lee
  • Patent number: 10126604
    Abstract: A liquid crystal display panel, a sealing performance testing method thereof and a display device are provided. In the liquid crystal display panel, a side of the array substrate facing the opposed substrate is provided with a plurality of independent first conductive portions, a side of the opposed substrate facing the array substrate is provided with a plurality of independent second conductive portions, sealant is an anisotropic conductive adhesive, all of the first conductive portions and all of the second conductive portions are electrically connected through the sealant to form an unclosed conductor surrounding a display region; by testing a resistance value between any two first conductive portions on the array substrate, it can be determined that there is a micro gap or breaking sealant problem upon the resistance value being abnormal.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: November 13, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Zhixiao Yao, Bin Feng, Yuxi Wang, Weitao Chen
  • Patent number: 10120219
    Abstract: A liquid crystal display device includes a thin film transistor substrate, a counter substrate that faces the thin film transistor substrate, a liquid crystal composition that is arranged between the thin film transistor substrate and the counter substrate, an oriented film that arranges orientation of the liquid crystal composition contacting with the thin film transistor substrate, a seal material that seals the liquid crystal composition between the two substrates, and a driver circuit. The driver circuit has a light transmission area that is formed inside of the driver circuit, and is higher in light transmittance than an area in which a non-transparent conductive film forming the driver circuit is formed, and a high sealing property area in which the seal material and an insulating film come into direct contact with each other between the light transmission area and an outer edge of the thin film transistor substrate.
    Type: Grant
    Filed: May 3, 2016
    Date of Patent: November 6, 2018
    Assignee: Japan Display Inc.
    Inventors: Takahiro Ochiai, Yuki Kuramoto, Masahiro Hoshiba
  • Patent number: 10108065
    Abstract: A liquid crystal display device includes a first substrate, a second substrate opposing the first substrate, a liquid crystal layer between the first substrate and the second substrate, a black matrix on one of the first substrate and the second substrate, the black matrix defining a pixel region, a gate line on the first substrate and including a line portion, an electrode portion and a compensation portion, the compensation portion having a closed loop shape, a data line intersecting the gate line, a source electrode extending from the data line and disposed on the electrode portion of the gate line, a drain electrode including one side disposed on the electrode portion of the gate line and another side at least partially disposed on the compensation portion of the gate line, and a pixel electrode connected to the drain electrode.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: October 23, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sunhwa Lee, Sanguk Lim, Meehye Jung
  • Patent number: 10101625
    Abstract: The display device includes a first substrate provided with a driver circuit region that is located outside and adjacent to a pixel region and includes at least one second transistor which supplies a signal to the first transistor in each of the pixels in the pixel region, a second substrate facing the first substrate, a liquid crystal layer between the first substrate and the second substrate, a first interlayer insulating film including an inorganic insulating material over the first transistor and the second transistor, a second interlayer insulating film including an organic insulating material over the first interlayer insulating film, and a third interlayer insulating film including an inorganic insulating material over the second interlayer insulating film. The third interlayer insulating film is provided in part of an upper region of the pixel region, and has an edge portion on an inner side than the driver circuit region.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: October 16, 2018
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Yasuharu Hosaka, Yukinori Shima, Kenichi Okazaki, Shunpei Yamazaki
  • Patent number: 10085654
    Abstract: A display assembly includes a liquid crystal display (LCD) frame, a printed circuit board (PCB), and a front housing. The LCD frame includes at least one LCD frame obround boss. The PCB includes at least one PCB obround slot, where the PCB obround slot is sized to be larger in length and diameter than the at least one LCD frame obround boss. The LCD frame is secured to a printed circuit assembly. The front housing includes a display opening and an elastomeric bezel positioned on the front housing, where the elastomeric bezel is configured to position a liquid crystal display within the display opening.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: October 2, 2018
    Assignee: WELCH ALLYN, INC.
    Inventor: Alan S. Knieriem
  • Patent number: 10088724
    Abstract: Display panel and displaying device are provided. Except for a first data line electrode layer on a first substrate, a display panel further includes a first insulating layer on the first data line electrode layer and a second data line electrode layer on the first insulating layer. The first data line electrode layer includes a plurality of first data lines, and the second data line electrode layer includes a plurality of second data lines respectively corresponding to the first data lines. A plurality of vias are disposed in the first insulating layer and expose a portion of the first data lines. The second data lines are electrically connected with the first data lines through the vias, which may decrease resistance of each data line, reduce the attenuation of a driving signal transmitted in the data lines far away from a driving circuit, and improve displaying effect of the display panel.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: October 2, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Minfu Zhang, Dong Qian, Yuan Li
  • Patent number: 10082712
    Abstract: Provided is a liquid crystal display apparatus. The liquid crystal display apparatus includes: a pixel area including a pixel array disposed on a first substrate; a peripheral area including a gate driver disposed outside the pixel array and a common voltage supply unit including openings disposed outside the gate driver; an overcoating layer disposed on the pixel array and the gate driver; a pixel electrode disposed on the overcoating layer and connected to the pixel array; a common electrode structure disposed on the overcoating layer, overlapped with the pixel electrode, and electrically connected to the common voltage supply unit; and a sealing member surrounding a liquid crystal layer disposed between the first substrate and a second substrate facing the first substrate, supporting the first substrate and the second substrate, and overlapped with the openings.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: September 25, 2018
    Assignee: LG Display Co., Ltd.
    Inventor: JinHyung Jung
  • Patent number: 10082707
    Abstract: A pixel structure including a scan line, a data line, an active device, a first protruding structure, a second protruding structure, a first electrode and a second electrode is provided. The first protruding structure has a first top surface, a first bottom surface and first side surfaces located on both sides of the first top surface and the first bottom surface. A first acute angle ?1 is formed between the first top surface and the first side surfaces. The second protruding structure has a second top surface, a second bottom surface and second side surfaces located on both sides of the second top surface and the second bottom surface. A second acute angle ?2 is formed between the second top surface and the second side surfaces. The first electrode is disposed on the first top surface, and the second electrode is disposed on the second top surface.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: September 25, 2018
    Assignee: Au Optronics Corporation
    Inventors: Tzu-Yi Tsao, Fang-Cheng Yu, Wei-Ting Lee, Cheng-Yeh Tsai
  • Patent number: 10073296
    Abstract: A display device includes: a display panel having a display area and a non-display area; a light source unit supplying light to the display panel; a bottom chassis on which the light source unit is disposed; a mold frame coupled to the bottom chassis; and a diffusion plate fixed to the mold frame and emitting light emitted from the light source unit to the display panel, wherein the mold frame may be transparent.
    Type: Grant
    Filed: June 9, 2015
    Date of Patent: September 11, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventor: Yong Il Kim
  • Patent number: 10042214
    Abstract: A manufacturing method of a liquid crystal display includes forming display pixels which display an image and dummy pixels which do not display the image on a lower substrate including a display area and a non-display area positioned in at least one side outside the display area, coating a light blocking member material layer on a first dead space area adjacent to the display area and having a dummy area where the dummy pixels are positioned, a second dead space area adjacent to the first dead space area, and a third dead space area adjacent to the second dead space area in the non-display area, and forming first to third light blocking members through exposure by using an optical mask in which at least two or more halftone regions and a full-tone region are mixed.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: August 7, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chang Hun Kwak, Hye Ran Mun, Chul Huh
  • Patent number: 10037113
    Abstract: A touch device includes a cover plate, a carrying structure, a first sensor layer, a dielectric layer and a second sensor layer. The carrying structure is disposed on the cover plate and includes a film layer and a buffer layer stacked on each other. The film is located between the cover plate and the buffer layer. The first sensor layer is at least disposed on the carrying structure. The first sensor layer and the cover plate are respectively located at two opposite sides of the carrying structure. The dielectric layer is disposed on the first sensor layer. The dielectric layer and the carrying structure are respectively located at two opposite sides of the first sensor layer. The second sensor layer is at least disposed on the dielectric layer. The second sensor layer and the first sensor layer are respectively located at two opposite sides of the dielectric layer.
    Type: Grant
    Filed: October 11, 2015
    Date of Patent: July 31, 2018
    Assignee: TPK Touch Solutions (Xiamen) Inc.
    Inventors: Ching-Shan Lin, Cheng-Chung Chiang, Chan-Hao Tseng
  • Patent number: 10031373
    Abstract: A liquid crystal display panel is disclosed. The liquid crystal display panel comprises a first baseplate; a second baseplate, arranged at a position opposite to the first baseplate and being provided with a pixel electrode and a common electrode thereon; and an auxiliary spacer, arranged between the first baseplate and the second baseplate and fixed on the first baseplate, wherein the auxiliary spacer is provided with a top electrode, and the second baseplate is provided with an extending electrode of the common electrode and an extending electrode of the pixel electrode at a position corresponding to the top electrode, so that the top electrode touches the extending electrode of the common electrode and the extending electrode of the pixel electrode and enables the common electrode and the pixel electrode to be connected with each other when the panel is pressed.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: July 24, 2018
    Assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd., Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventor: Yuejun Tang
  • Patent number: 10025142
    Abstract: A display device may include a first substrate, a second substrate opposite the first substrate, a liquid crystal layer between the first substrate and the second substrate, and a pixel electrode disposed on the first substrate and including a plurality of subpixel electrodes. The subpixel electrode may include a horizontal stem electrode, a plurality of vertical stem electrodes, and a plurality of branch electrodes extending from at least one of the horizontal stem electrode and the vertical stem electrodes.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: July 17, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su Wan Woo, Un Byoll Ko
  • Patent number: 10018879
    Abstract: To further reduce time necessary to eliminate the problem caused by static electricity. The liquid crystal display apparatus includes a plurality of unit display regions and the plurality of unit display regions are arranged along a first direction spaced from one another. At least one of a plurality of first electrodes has a plurality of electrode parts corresponding to each of the plurality of unit display regions and are mutually separated and arranged apart from one another in the first direction, a plurality of first lead wirings where each first lead wiring extends in the direction different from the first direction and extends outside an inner area, and a first crossover wiring disposed outside the inner area and mutually connects the plurality of first lead wirings.
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: July 10, 2018
    Assignee: STANLEY ELECTRIC CO., LTD.
    Inventors: Yoshihisa Iwamoto, Takahiro Matsuzaki
  • Patent number: 10001669
    Abstract: There is provided an optical member that suppresses the occurrence of moire, and can realize a liquid crystal display apparatus that is excellent in mechanical strength and has high brightness. An optical member according to an embodiment of the present invention includes a polarizing plate, a light diffusion layer, a reflective polarizer, and a prism sheet in the stated order.
    Type: Grant
    Filed: April 10, 2013
    Date of Patent: June 19, 2018
    Assignee: NITTO DENKO CORPORATION
    Inventors: Takehito Fuchida, Shouhei Maezawa, Hiroyuki Takemoto, Nao Murakami, Kozo Nakamura
  • Patent number: 9995974
    Abstract: A liquid crystal display includes a first substrate, a gate line disposed on the first substrate and extending parallel to a major horizontal reference line of the display, and a plurality of pixel unit cells disposed on and tesslating a display area of the first substrate where each unit cell includes a first field generating electrode and a second field generating electrode with an insulating layer interposed therebetween, wherein a first one of the first and second field generating electrodes has a plurality of cutouts defined therein for producing corresponding liquid crystal domains, the plurality of cutouts each including a first inclined edge portion forming a first angle with the vertical reference line and a second inclined edge portion forming a second angle with the vertical reference line that is different from the first angle, wherein a ratio of a length of the first inclined edge portion to a length of the cutout is about 80% or more, and the density of the plurality of pixels is about 200 PPI o
    Type: Grant
    Filed: April 18, 2016
    Date of Patent: June 12, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soo Jeong Huh, Yang Hee Kim, Sung In Ro