Patents Examined by James Dudek
  • Patent number: 10234716
    Abstract: A liquid crystal display device includes a display area, a peripheral area, and a boundary area between the display area and the peripheral area and further includes: a first substrate; a switching element disposed on the first substrate in the display area; a pad disposed on the first substrate in the peripheral area and electrically connected with the switching element; a protective film disposed on the first substrate in the display area, the peripheral area, and the boundary area, and covering the switching element and the pad; a color filter disposed on the protective film in the display area; and a planarization film covering the color filter and contacting the protective film in the boundary area and the peripheral area. The planarization film is provided with a first opening overlapping the pad and at least one second opening formed in the boundary area.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: March 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jee Hoon Han, O Sung Seo, Kyung Suk Jung, Yong Tae Cho
  • Patent number: 10222650
    Abstract: Provided is a side light-emitting type display device having a frame member. The side light-emitting display device having a frame member includes a display assembly configured to guide light to a side surface of the display assembly while displaying an image using light emitted from light sources; a transparent frame member which is configured to surround and fix the display assembly and through which the light guided to the side surface of the display assembly is transmitted; and a side display member provided on a side surface of the transparent frame member, and configured to display information of the image using the light guided to the side surface of the display assembly.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: March 5, 2019
    Inventors: Sug Bae Kim, Jin Soo Nam, Hong Ki Ha, Sun Mi Kim, Jong Ho Kim
  • Patent number: 10216018
    Abstract: A viewing angle control device including at least one liquid crystal panel, at least one compensation film and polarizers is provided. Each of the at least one liquid crystal panel includes two transparent conductive layers and liquid crystal molecules. The polarizers include at least one first polarizer and a second polarizer. The at least one first polarizer is located between the at least one compensation film and the at least one liquid crystal panel. The second polarizer is located at a side of the at least one liquid crystal panel, the at least one compensation film and the at least one first polarizer. When there is no potential difference between the transparent conductive layers, an optical axis of each of the liquid crystal molecules is parallel or vertical to a transmission axis of the at least one first polarizer. A viewing angle controllable display apparatus is also provided.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: February 26, 2019
    Assignee: Coretronic Corporation
    Inventors: Chong-Yang Fang, Wen-Chun Wang
  • Patent number: 10209588
    Abstract: A method of repairing a short of a pixel electrode and a storage electrode including irradiating laser to separate a portion shorted to the pixel electrode among the storage electrode to be disconnected, in which the storage electrode includes a first portion overlapping a data line between two adjacent gate lines and a second portion connected to the first portion and enclosing an edge of a pixel area except for a region where the first portion is formed, the pixel area is defined by the data line and a gate line, a thin film transistor is coupled to the data line, the gate line, and the pixel electrode, and two adjacent pixel areas are defined by the two adjacent gate lines and two adjacent data lines, and the storage electrode is branched between pixel electrodes respectively formed in the two adjacent pixel areas.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: February 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Woong Chang, Ho-Kyoon Kwon, Shin-Tack Kang
  • Patent number: 10197858
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a sealant, a liquid crystal layer, an organic insulating film, an alignment film and an inorganic insulating film. The second substrate is opposed to the first substrate. The sealant attaches the first substrate and the second substrate to each other. The liquid crystal layer is arranged between the first substrate and the second substrate. The organic insulating film, the alignment film and the inorganic insulating film are provided on the first substrate. The alignment film contacts the liquid crystal layer. The inorganic insulating film is located between the alignment film and the organic insulating film. At least part of the alignment film contacts the organic insulating film.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: February 5, 2019
    Assignee: Japan Display Inc.
    Inventors: Tetsuya Kojima, Hirofumi Wakemoto, Mitsutaka Okita, Daiichi Suzuki
  • Patent number: 10197854
    Abstract: A liquid crystal display device includes a backlight unit and a liquid crystal display panel disposed on the backlight unit, wherein the backlight unit includes a light source unit and a plurality of optical sheets, wherein an optical sheet closest to the liquid crystal display panel among the plurality of optical sheets is a polarizing optical sheet and includes a base film and an optical pattern disposed on a surface of the base film, wherein at least one of the base film and the optical pattern includes an aligned organic fluorescent material.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: February 5, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyunwoo Lee, Donghoon Kim, Kang-woo Lee
  • Patent number: 10197873
    Abstract: A display device including a first substrate having a display area and a peripheral area surrounding the display area, a second substrate facing the first substrate, a common voltage line disposed on the peripheral area of the first substrate, a color filter disposed on the common voltage line overlapping the common voltage line, a common electrode disposed below the second substrate and having an opening overlapping the common voltage line and the color filter, and a sealant disposed between the color filter and the common electrode overlapping the common voltage line, the color filter, and the opening.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: February 5, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chan Wook Shim, Ju Hyun Woo, Kook Hyun Choi, Jun Seok Lee
  • Patent number: 10197842
    Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a switching element and a pixel electrode, a second substrate including an insulating substrate, an organic layer which covers the insulating substrate in a non-display area in a shape of a frame surrounding a display area and comprises a first recess portion formed therein, and a light-shielding layer which covers the first recess portion, a sealing member which attaches the first substrate and the second substrate in the non-display area and a liquid crystal layer disposed in a space surrounded by the first substrate, the second substrate and the sealing member.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: February 5, 2019
    Assignee: Japan Display Inc.
    Inventors: Masahiro Kobayashi, Junko Nagasawa
  • Patent number: 10197852
    Abstract: A dual-mode liquid crystal display device, a color filter substrate and an array substrate are provided. The display device comprises: a color filter substrate, an array substrate assembled with the color filter substrate, and a liquid crystal layer between the color filter substrate and the array substrate. The pixel area of the array substrate comprises red, green, blue and white sub-pixels; and the color filter substrate or the array substrate is provided with a fluorescent layer at the position corresponding to the white sub-pixels.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: February 5, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lu Wang, Shiming Shi, Yanliu Sun
  • Patent number: 10192889
    Abstract: A display device includes a first substrate including a display area and a non-display area. A gate line and a gate electrode are in the display area. A data line is connected to the gate line. A gate insulating layer is on the gate line and the gate electrode. A semiconductor layer is on the gate insulating layer. A drain electrode and a source electrode are on the semiconductor layer. A first passivation layer is on the drain electrode and the source electrode. A color filter is on the first passivation layer. A common electrode is on the first passivation layer. A second passivation layer is on the common electrode. A pixel electrode is on the second passivation layer. The gate insulating layer has substantially a same shape as a shape of the gate electrode. The gate insulating layer has a width wider than a width of the gate electrode.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: January 29, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jisun Kim, Chongchul Chai
  • Patent number: 10185185
    Abstract: A display panel includes a first substrate, a second substrate and a light shielding layer located between the first substrate and the second substrate. The light shielding layer includes first connecting portions extending along a first direction, second connecting portions extending along a second direction, extending portions and sub-extending portions connected by the first and second connecting portions. The first connecting portions and the second connecting portions define sub-pixels. The sub-pixels include a first sub-pixel. A projection of the extending portions on the first substrate overlaps the first sub-pixel to form a first overlapping area. A projection of the sub-extending portions on the first substrate overlaps the first sub-pixel to form a second overlapping area. The first overlapping area is greater than the second overlapping area. A largest width of the extending portions is greater than a largest width of the sub-extending portions in the first direction.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: January 22, 2019
    Assignee: INNOLUX CORPORATION
    Inventors: Yi-Chin Lee, Yu-Lun Hsu
  • Patent number: 10175537
    Abstract: According to one embodiment, a liquid crystal display device includes second substrates, a light-shielding layer, and a liquid crystal layer. The first substrate includes pixel electrodes, a common electrode, and subpixel areas each including area in which the pixel electrode is present and a second area in which the pixel electrode is not present. Each of the subpixel areas includes first and second sides. The first area includes an axial area and branch areas. The second area includes a gap area between the adjacent branch areas. The axial area includes a projection portion projecting to the second side and in alignment with the gap area, and overlaps the light-shielding layer.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: January 8, 2019
    Assignee: Japan Display Inc.
    Inventor: Toshiharu Matsushima
  • Patent number: 10175539
    Abstract: The present application discloses a method of performing photo alignment to a liquid crystal panel and a mask, the method including: disposing a mask in one side of a liquid crystal panel, the mask including at least two regions, the two regions makes incident lights passed and generating emission lights with different polarization directions respectively; making the incident light passed through the mask, to generate the emission lights with different polarization direction, and perform a photo alignment to the different regions of the liquid crystal panel. By the approach above, the process of the photo alignment is changed in the present application, thereby reducing the time of the photo alignment process and increase productivity.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: January 8, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Jianjian Ying, Peng Du, Wen Dai
  • Patent number: 10175495
    Abstract: The present disclosure relates to wavelength selective switches. In one embodiment, a wavelength selective switch may include a liquid crystal (LC)-based attenuation switching device that has an LC switching module to switch an incident beam to one of a plurality of output paths. The LC switching module may include one or more LC switching cells. The LC-based attenuation switching device further includes a mirror to reflect the beam from the LC switching module so as to output the beam through a corresponding output port, and a temperature compensation module provided on a side of the mirror opposite to the LC switching module. The temperature compensation module may be configured to alter curvature of the mirror as temperature changes so as to compensate for deformation of the LC switching cells due to the temperature change.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: January 8, 2019
    Assignee: ACCELINK TECHNOLOGIES CO., LTD.
    Inventors: Liu Yang, Rui Yang, Zhilin Yuan, Chang'an Li, Jinping Guo, Lidan Song, Fan Wang, Yuhong Ma, Lihong Tang
  • Patent number: 10168564
    Abstract: It is an object to provide a liquid crystal display device capable of suppressing an abrasion of a first frame or a second frame due to a direct contact between the first frame and the second frame and an occurrence of shavings. A liquid crystal display device includes a rear frame being made of a metal and having a fitting claw, for being fitted with other component, which is formed by cutting and raising a part of a sidewall part from an upper end part side to project toward one surface side of the sidewall part, a middle frame being disposed to face an upper end part of the rear frame, and a relief part forming a clearance between a peripheral part of a base end of the fitting claw in the upper end part of the rear frame and a part of the middle frame facing the peripheral part.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: January 1, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventor: Isamu Miyazaki
  • Patent number: 10168577
    Abstract: A display panel and a display device are disclosed, and in a first substrate of the display panel, the first alignment film includes a plurality of first portions corresponding to the plurality of first alignment adjustment structures each having a first surface, the fluctuation direction of the first surface and the fluctuation direction of each first portion are consistent with the alignment direction of liquid crystal molecules in the liquid crystal layer induced by the first alignment film; in a second substrate of the display panel, the second alignment film includes a plurality of second portions corresponding to the plurality of second alignment adjustment structures, the fluctuation direction of the second surface and the fluctuation direction of each second portion are consistent with the alignment direction of the liquid crystal molecules in the liquid crystal layer induced by the second alignment film.
    Type: Grant
    Filed: October 9, 2015
    Date of Patent: January 1, 2019
    Assignees: BOE TECHNOLGOY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Junwei Wang, Weitao Chen, Xiaopeng Cui
  • Patent number: 10168460
    Abstract: An optical construction includes a quantum dot film element including a plurality of quantum dots, a first optical recycling element, and a first low refractive index element separating the quantum dot film element from the first optical recycling element. The first low refractive index element has a refractive index of 1.3 or less.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: January 1, 2019
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Gilles J. Benoit, John A. Wheatley, James A. Thielen, David Scott Thompson
  • Patent number: 10162093
    Abstract: A display device includes: a display substrate through which light propagates at an inner area thereof, the display substrate including a lateral surface through which the light is incident; a display unit which is on the display substrate and generates and displays an image with the light propagated through the display substrate; and a light source which is disposed at the lateral surface of the display substrate and generates and irradiates the light to the display substrate.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: December 25, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Mugyeom Kim
  • Patent number: 10151864
    Abstract: An optical film having a positive C-plate sandwiched by circular polarization reflection layers with different center wavelength of reflection band, wherein the circular polarization reflection layer closest to a light exit side of the optical film does not have the shortest center wavelength of reflection band among the circular polarization reflection layers, can suppress an oblique tint change when the optical film is incorporated into a liquid crystal display device.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: December 11, 2018
    Assignee: FUJIFILM Corporation
    Inventor: Kotaro Yasuda
  • Patent number: 10146077
    Abstract: A device for eliminating spliced borders/bezels of a liquid crystal display screen by means of edge display, which comprises an edge display unit is arranged on the spliced border/bezel of the liquid crystal display screen, a dodging layer is arranged on the edge display unit to serve as a display surface of the edge display unit, and the dodging layer and a displayable area of the liquid crystal display screen are synthesized and fused to display an original input video image.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: December 4, 2018
    Inventors: Zhanmin Xia, Weikang Ding