Patents Examined by Timothy L Rude
  • Patent number: 9448456
    Abstract: A liquid crystal optical device has a layered structure with split liquid crystal layers having alignment surfaces that define in a liquid crystal material pre-tilt angles of opposite signs. Four liquid crystal layers can provide two directions of linear polarization. In the case of a lens, the device can be a gradient index lens, and the alignment surfaces can have a spatially uniform pre-tilt.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: September 20, 2016
    Assignee: LENSVECTOR, INC.
    Inventors: Karen Asatryan, Tigran Galstian, Aram Bagramyan, Vladimir Presniakov, Amir Tork, Armen Zohrabyan, Peter P. Clark
  • Patent number: 9442324
    Abstract: A source line is provided on a layer above a substrate, and as a whole, extends in a first direction while meandering along the main surface of the substrate. An alignment film is provided on a layer above the source line, and specifies the alignment direction of a liquid crystal. A first protruding section along the source line is formed on the surface of the alignment film. In a cross-section that is parallel to the first direction and perpendicular to the substrate, and that passes through the source line, the inclination of an inclined end face on one side of the first protruding section in the first direction is steeper than the inclination of each inclined end face on the other side of the protruding section.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: September 13, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventor: Akinori Sumi
  • Patent number: 9437623
    Abstract: It is an object to obtain a liquid crystal display device in which a contact defect is reduced, increase in contact resistance is suppressed, and an opening ratio is high. The present invention relates to a liquid crystal display device having a substrate; a thin film transistor provided over the substrate, which includes a gate wiring, a gate insulating film, an island-shaped semiconductor film, a source region, and a drain region; a source wiring which is provided over the substrate and is connected to the source region; a drain electrode which is provided over the substrate and is connected to the drain region; an auxiliary capacitor provided over the substrate; a pixel electrode connected to the drain electrode; and a protective film formed so as to cover the thin film transistor and the source wiring, where the protective film has an opening, and the auxiliary capacitor is formed in the area where the opening is formed.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: September 6, 2016
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Kunio Hosoya
  • Patent number: 9436045
    Abstract: A liquid crystal display includes a pixel that includes a first sub-pixel chargeable with a first voltage and a second sub-pixel chargeable with a second voltage different from the first voltage, a pixel electrode that includes a first sub-pixel electrode in the first sub-pixel and a second sub-pixel electrode in the second sub-pixel, a common electrode that faces the pixel electrode, and a liquid crystal layer between the pixel electrode and the common electrode. The first sub-pixel electrode includes a first trunk portion and a plurality of first branch portions protruding from and extending from one side of the first trunk portion. The second sub-pixel electrode includes a second trunk portion and a plurality of second and third branch portions that protrude from both sides of the second trunk portion and extend substantially parallel to the first branch portions.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: September 6, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Heerim Song, Sang-Uk Lim, Sangjin Jeon
  • Patent number: 9423556
    Abstract: An optical assembly, a backlight module and a liquid crystal display are provided. The optical assembly includes a light guide plate and a frame. The light guide plate has at least one first circular-arc structure disposed on a side of the light guide plate. The frame is disposed around the light guide plate, in which the frame has at least one second circular-arc structure interlocked with the first circular-arc structure. A radius of the first circular-arc structure is substantially equal to a radius of the second circular-arc structure.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: August 23, 2016
    Assignee: RADIANT OPTO-ELECTRONICS CORPORATION
    Inventors: Yu-Ju Lee, Hsueh-Ju Chen, Jian-Uei Chin, Pei-Fen Hou
  • Patent number: 9423618
    Abstract: The general field of the invention is that of optical viewing systems comprising a display and a tilted optical plate arranged above this display and forming therewith substantially a dihedron. The system according to the invention comprises means for adjusting the reflection coefficient of the said tilted optical plate along an axis perpendicular to the axis of the dihedron and up to a variable height so as to ensure the total reflection of a first part of the image displayed by the display and the partial reflection of a second part of the image displayed by the display, complementary to the first part. The insertion of optical components between the display and the optical plate makes it possible to modify the distance of the display image reflected by the optical plate.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: August 23, 2016
    Assignee: Thales
    Inventors: Arnaud Petitdemange, Sebastien Pelletier, Johanna Dominici
  • Patent number: 9411206
    Abstract: A liquid crystal display includes: first and second gate lines disposed on the first substrate and which respectively transmit first and second gate signals; first, second and third data lines disposed on the first substrate; a first switching element connected to the first gate line and the first data line; a second switching element connected to the first gate line and the second data line; a third switching element connected to the second gate line and the second data line; a fourth switching element connected to the second gate line and the third data line; first and second pixel electrodes respectively connected to the first and second switching and which form a first liquid crystal capacitor; and third and fourth pixel electrodes respectively connected to the third and fourth switching elements and which form a second liquid crystal capacitor.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: August 9, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Woon Kim, Hee-Seop Kim, Hyang-Yul Kim, Joo-Nyung Jang, Hwa-Sung Woo, Cheol Shin, Dong-Chul Shin
  • Patent number: 9411093
    Abstract: A display apparatus is disclosed. The display apparatus includes a transmissive image panel configured to display a multi-view image, and a first transmissive backlight panel and the second transmissive backlight panel arranged at a predetermined distance from the transmissive image panel, and the first transmissive backlight panel and the second transmissive backlight panel are in parallel to the transmissive image panel, wherein the first backlight panel distributes the multi-view image in a first viewing zone differently from the second backlight panel distribution of the multi-view image in a second viewing zone.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: August 9, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sergey Shestak, Dae-sik Kim, Seong-woo Cho
  • Patent number: 9411377
    Abstract: A flexible display device includes a flexible display panel, a touch sensing layer on the flexible display panel, and a window on the touch sensing layer. The window may include an elastic portion and a plurality of rigid portions at a surface of the elastic portion and separated from each other. The elastic portion may be made of a soft material having elastic characteristics, and the rigid portion may be made of a hard material. The rigid portion may have a checkered pattern or a striped pattern at the surface of the elastic portion. The flexible display device may also include a barrier film at a surface of the flexible display panel. The barrier film may protect the flexible display panel and the touch sensing layer from external impacts.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: August 9, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-II Park, Jeoung Sub Lee, Min-Hoon Choi, In Sun Hwang
  • Patent number: 9411192
    Abstract: A liquid crystal display device includes a LCD panel having a first polarizer, a first substrate, a second substrate and a second polarizer are sequentially provided from a front surface side, a frame which surrounds the LCD panel and has a first opening having first to fourth sides, a planar light source disposed on the rear surface side of the LCD panel in the first opening, a plurality of optical sheet groups which are disposed between the planar light source and the LCD panel, and an adhesive layer which has a second opening formed along the first to fourth sides of the frame. A front surface side of the adhesive layer is adhered to the LCD panel along at least the first side, and a rear surface side of the adhesive layer is adhered to the plurality of optical sheet groups and the frame along at least the first side.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: August 9, 2016
    Assignees: JAPAN DISPLAY INC., PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventor: Eiji Oohira
  • Patent number: 9411190
    Abstract: A liquid crystal display with separated polarizer device comprises a frame; a backlight module, deposited in the frame; a liquid crystal panel, deposited in the frame and separated from the backlight module; a transparent substrate, deposited in the frame and separated from the liquid crystal panel; a first polarizer device, deposited on a surface of the backlight module facing the liquid crystal panel; and a second polarizer device, deposited on a surface of the transparent substrate facing the liquid crystal panel; therefore, reworking of the liquid crystal display is facilitated.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: August 9, 2016
    Assignee: LITEMAX ELECTRONICS INC.
    Inventor: Jung-Chi Lo
  • Patent number: 9405167
    Abstract: An object of the present invention is to provide a liquid-crystal lens having excellent imaging performance. A liquid-crystal lens (1) according to the present invention includes a first liquid-crystal layer (11), a second liquid-crystal layer (12), a third liquid-crystal layer (13), and a fourth liquid-crystal layer (14) which are arranged in this order along an optical axis (C). The first liquid-crystal layer (11) and the second liquid-crystal layer (12) are 90° different in alignment direction from each other in a plane perpendicular to the optical axis (C). The first liquid-crystal layer (11) and the fourth liquid-crystal layer (14) are 180° different in alignment direction from each other in the plane perpendicular to the optical axis (C). The second liquid-crystal layer (12) and the third liquid-crystal layer (13) are 180° different in alignment direction from each other in the plane perpendicular to the optical axis (C).
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: August 2, 2016
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Masaaki Kadomi, Hirokazu Tanaka, Masanori Wada, Takasi Akimoto
  • Patent number: 9400406
    Abstract: The present invention provides a liquid crystal panel in which warping is controlled. The liquid crystal panel includes a liquid crystal cell 20, a first polarizing film 31 disposed on a viewer side of the liquid crystal cell 20 and a second polarizing film 32 disposed on a side of the liquid crystal cell 20 opposite to the viewer side. A thickness (d1) of the first polarizing film 31 is smaller than a thickness (d2) of the second polarizing film 32.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: July 26, 2016
    Assignee: NITTO DENKO CORPORATION
    Inventors: Nobuyuki Haida, Yuusuke Toyama, Takeharu Kitagawa
  • Patent number: 9400412
    Abstract: An optical modulator includes a liquid crystal cell containing liquid crystal material having liquid crystal molecules oriented along a quiescent director direction in the unbiased state, and a voltage source configured to apply an electric field to the liquid crystal material wherein the direction of the applied electric field does not cause the quiescent director direction to change. An optical source is arranged to transmit light through or reflect light off the liquid crystal cell with the light passing through the liquid crystal material at an angle effective to undergo phase retardation in response to the voltage source applying the electric field. The liquid crystal material may have negative dielectric anisotropy, and the voltage source configured to apply an electric field to the liquid crystal material whose electric field vector is transverse to the quiescent director direction.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: July 26, 2016
    Assignee: KENT STATE UNIVERSITY
    Inventors: Volodymyr Borshch, Sergij V. Shiyanovskii, Oleg D. Lavrentovich
  • Patent number: 9389467
    Abstract: A liquid crystal display includes a first substrate, a second substrate facing the first substrate with a predetermined interval therebetween, a liquid crystal material filled between the first substrate and the second substrate, a column spacer disposed at the second substrate and maintaining the predetermined interval between the first substrate and the second substrate, a passivation layer disposed at the first substrate, a pixel electrode disposed on the passivation layer; and a fixing protrusion which is disposed on the first substrate, is positioned at an opposing surface of the column spacer and includes at least one of a lower layer including the passivation layer and an upper layer including the pixel electrode.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: July 12, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Min-Sik Jung, Byung-Chul Kim, Young Gu Kim, Hwa Sung Woo, Baek Kyun Jeon
  • Patent number: 9383598
    Abstract: The present invention relates to a liquid crystal module including a panel, a backlight unit arranged at a back side of the panel, and a connection structure that connects the panel and the backlight unit. The connection structure includes a supporting surface that supports the panel, and is made of stainless steel. The present invention provides advantages that the connection structure made of stainless steel satisfies borderless needs of the liquid crystal module, and the liquid crystal module is capable of avoiding light leakage when the liquid crystal panel is in a L0 black color state of grayscale. Herein, the light leakage is caused by a deformation of the panel.
    Type: Grant
    Filed: June 26, 2014
    Date of Patent: July 5, 2016
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Haijun Shi, Dan Wang, Seungmin Lee, Bin Zou, Bochang Wang, Kai Diao, Jian Yang
  • Patent number: 9377654
    Abstract: A system for displaying images including a display panel is provided. The display panel has a display area and a peripheral area. The display panel includes a metal layer disposed on a first substrate. A second substrate is disposed opposite to the first substrate. A seal is disposed at the peripheral area and between the first and the second substrates and at the peripheral area. A patterned planarization layer is disposed on the first substrate. A passivation layer disposed between the seal and the first substrate, wherein the seal is in contact with a sidewall of the passivation layer.
    Type: Grant
    Filed: October 5, 2015
    Date of Patent: June 28, 2016
    Assignees: INNOCOM TECHNOLOGY(SHENZHEN) CO., LTD, INNOLUX CORPORATION
    Inventors: Chun-Ming Wang, Hsixg-Ju Sung, Te-Yu Lee
  • Patent number: 9372367
    Abstract: A system for displaying images including a display panel is provided. The display panel has a display area and a peripheral area. The display panel includes a metal layer disposed on a first substrate. A patterned planarization layer is disposed on the metal layer, having at least one opening corresponding to the peripheral area, wherein a portion of the metal layer is disposed in the opening. A second substrate is disposed opposite to the first substrate. A seal is disposed at the peripheral area and between the first and the second substrates, wherein the seal covers the metal layer through the opening of the patterned planarization layer. A passivation layer disposed on the portion of the metal layer and covering a sidewall of the patterned planarization layer to form a first passivation sidewall, wherein the seal is in contact with the first passivation sidewall.
    Type: Grant
    Filed: October 5, 2015
    Date of Patent: June 21, 2016
    Assignees: INNOCOM TECHNOLOGY(SHENZHEN) CO., LTD, INNOLUX CORPORATION
    Inventors: Chun-Ming Wang, Hsixg-Ju Sung, Te-Yu Lee
  • Patent number: 9350983
    Abstract: The invention pertains to the display devices and can be used for displaying three-dimensional objects and scenes, particularly, in navigation, machine-aided drafting and engineering systems, for visualization of tomographic information and during complex operations in medicine, during modeling of three-dimensional problems in science and technology, in computer simulators and games, advertising, entertainment etc. Here the three-dimensional display is proposed with a volumetric screen, consisting of package of light-scattering liquid-crystal modulators, and with a video projector on the basis of microdisplay for generating images of three-dimensional object sections in the planes of light-scattering liquid-crystal modulators, where as the electrooptic medium in the light-scattering liquid-crystal modulators of the volumetric screen and in the microdisplay of video projector, the liquid crystals of smectic type with ferroelectric properties (FLC) under specified boundary conditions were chosen.
    Type: Grant
    Filed: April 19, 2011
    Date of Patent: May 24, 2016
    Inventors: Igor Nikolaevich Kompanets, Aleksandr Lvovich Andreev, Aleksandr Georgievich Sobolev
  • Patent number: 9349777
    Abstract: A display device including a bendable display panel, and an operation method thereof. The display device includes a display panel including a flexible substrate and a display unit and a bending adjusting member fixed to a rear surface of the display panel, and changeable between a flat state and a bending state by external force. The bending adjusting member is bent in a width direction to form a curvature, has elasticity in the width direction and a longitudinal direction, and is maintained in any one state between the flat state and the bending state under a condition of non-application of external force.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: May 24, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventor: Ju-Bong An