Patents Examined by Jia Pan
  • Patent number: 9329444
    Abstract: A liquid crystal display device includes a TFT substrate, an opposite substrate, and a liquid crystal between the TFT substrate and the opposite substrate. In the TFT substrate, there are formed in the following order, a first pixel electrode and a second pixel electrode, a first scan line and a second scan line which extend in a first direction and are arranged in a second direction, a first insulating film, a first video signal line and a second video signal line which extend in the second direction and are arranged in the first direction, a second insulating film, and a common electrode. The first pixel electrode and the second pixel electrode are formed in an area surrounded by the first scan line, the second scan line, the first video signal line and the second video signal line.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: May 3, 2016
    Assignee: Japan Display Inc.
    Inventor: Takahiro Nagami
  • Patent number: 9310616
    Abstract: Embodiments of the present invention provide a 3D display device and a manufacturing method thereof, which can reduce production costs. The display device comprises a grating layer and an array substrate; the array substrate comprises a plurality of pixel-units, each pixel-unit comprising a pixel-electrode and a control-circuit; the pixel-electrode of each pixel-unit comprises mutually-spaced at least two left-viewing-field pixel-electrodes and at least two right-viewing-field pixel-electrodes; the control-circuit of each pixel-unit comprises a first sub-control-circuit connected with the left-viewing-field pixel-electrodes and a second sub-control-circuit connected with the right-viewing-field pixel-electrodes.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: April 12, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Yanbing Wu
  • Patent number: 9298047
    Abstract: A liquid crystal display panel includes signal lines, scanning lines, a common line, and a planarizing film covering the lines. Pattern edge portions of a pixel electrode are arranged to be overlaid above edge portions of the signal lines and the scanning lines. Further, slits being openings formed at the pixel electrode are formed line-symmetrically to each other relative to a reference line which is the extending direction of the common line arranged to cross the center portion of a pixel part.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: March 29, 2016
    Assignee: Mitsubishi Electric Corporation
    Inventors: Koji Yonemura, Shingo Nagano
  • Patent number: 9293481
    Abstract: An array substrate, and a dual view field display device and a manufacturing method thereof are disclosed. The array substrate includes: a plurality of pixel units defined by gate lines and data lines which intersect each other, each of the pixel units including a pixel electrode and a TFT circuit; the pixel electrode of each of the pixel units comprises at least two first pixel electrodes and at least two second pixel electrodes, which are spaced from each other; the TFT circuit of each of the pixel units comprises a first sub-TFT circuit connected to the first pixel electrodes and a second sub-TFT circuit connected to the second pixel electrodes. According to the above array substrate, a dual view barrier can be produced within the display device, and the production costs can be reduced.
    Type: Grant
    Filed: December 23, 2012
    Date of Patent: March 22, 2016
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Yanbing Wu
  • Patent number: 9291859
    Abstract: A liquid crystal display includes: a first substrate; a second substrate disposed opposite to the first substrate; a light blocking member disposed on one of the first substrate or the second substrate, where the light blocking member is disposed in a display area including a plurality of pixel areas, and the light blocking member includes a plurality of extensions having a predetermined plane shape; and a plurality of first spacers disposed on one of the first substrate and the second substrate and contacting an upper surface of a plurality of thin films disposed on the other of the first substrate and the second substrate, in which the extensions of the light blocking member includes a first extension and a second extension, and the first extension overlaps the first spacers, and the second extension does not overlap the first spacers.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: March 22, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung Ho Park, Tae Yong Eom, Soo Jeong Huh
  • Patent number: 9285646
    Abstract: A display panel provided according to the present disclosure may include an optical component and two Guest Host liquid crystal cells located at two opposite sides of the optical component. The optical component is used for reflecting light with a specific wavelength and transmitting other light. The Guest Host liquid crystal cells each include a plurality of pixel units each having two operation states of transmitting natural light and linearly polarized light. When the pixel units transmit the linearly polarized light, the light reflected by the optical component cannot pass through the pixel units, thereby achieving a dark state display.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: March 15, 2016
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingtao Wang, Haoliang Zheng
  • Patent number: 9244312
    Abstract: A liquid crystal display device has a TFT substrate, a color filter (CF) substrate, a liquid crystal layer, wall structures formed on the TFT substrate, pixel electrodes provided on at least the sides of the wall structures, and common electrodes and counter electrodes formed on the TFT substrate and on the CF substrate to face each other, and a number of pixels are provided to include the TFT substrate, the CF substrate and the liquid crystal layer, wherein a light blocking region is provided around each of the number of pixels, each wall structure is arranged in the light blocking region, a support formed of a transparent and elastic material is arranged on an upper surface of each wall structure, the CF substrate is supported by the supports, and the liquid crystal layer is driven by electrical fields generated by the pixel electrodes, the common electrodes and the counter electrodes.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: January 26, 2016
    Assignee: JAPAN DISPLAY INC.
    Inventors: Miharu Otani, Takato Hiratsuka, Osamu Itou
  • Patent number: 9229243
    Abstract: A new 2D/3D switchable display apparatus matches a polarization direction of light output from a 2D image display panel with a rubbing direction of a lower alignment layer of a liquid crystal lens, and tilts a rubbing direction of an upper alignment layer of the liquid crystal lens and a direction of a polarization axis of a polarizer at a predetermined angle, thereby reducing a loss of light passing through the liquid crystal lens, making it possible to improve luminance of images, improve the quality of 3D images in the horizontal direction, prevent or reduce color separation and moire phenomena, and reduce the manufacturing cost.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: January 5, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hae-Young Yun, Il-Joo Kim, Hyun-Seung Seo, Seung-Hoon Lee, Jin-Hwan Kim, Seung-Jun Jeong
  • Patent number: 9229280
    Abstract: A method of manufacturing LCOS panel is disclosed. The method includes: providing a silicon substrate on which at least one conductive pad is formed and a transparent substrate on which a transparent electrode layer is formed; dispensing or coating a sealing material on a predetermined area of the silicon substrate or the transparent substrate; bonding the silicon substrate with the transparent substrate; singulating the bonded silicon substrate and transparent substrate such that at least one space is provided between the silicon substrate and the transparent substrate on an outer side of the sealing material and a part of the transparent electrode layer is exposed in the space; and dispensing a conductive adhesive into the space to connect the transparent electrode layer to the conductive pad. The method is able to achieve a smaller-size of the LCOS panels, a higher production yield and a lower process requirement.
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: January 5, 2016
    Assignee: OMNIVISION TECHNOLOGIES (SHANGHAI) CO., LTD.
    Inventor: Regis Fan
  • Patent number: 9201255
    Abstract: Apparatus including a first liquid crystal layer configured to receive at least a portion of an image and to provide the portion of the image across an angular viewing range; first substantially transparent electrodes positioned adjacent the first liquid crystal layer, the first electrodes being configured to have at least a first configuration in which a first subset of the electrodes provide electric fields across the first liquid crystal layer to form first transparent regions and first opaque regions in the first liquid crystal layer to provide a first angular viewing range, and a second configuration in which a second subset of the electrodes provide electric fields across the first liquid crystal layer to form second different transparent regions and second different opaque regions in the first liquid crystal layer to provide a second angular viewing range, having a different angular viewing range to the first angular viewing range.
    Type: Grant
    Filed: March 19, 2010
    Date of Patent: December 1, 2015
    Assignee: Nokia Technologies Oy
    Inventors: Liangfeng Xu, Huaya Cao, Kongqiao Wang, Ziqiang Huang, Jinbi Leng, Chenguang Cai
  • Patent number: 9195081
    Abstract: An embodiment of the present invention discloses a touch liquid crystal grating, its driving method and a 3D touch display device. The touch liquid crystal grating comprises: a first substrate and a second substrate; a liquid crystal layer; grating electrodes, located on a side of the first substrate facing the liquid crystal layer and extend along a first direction, each being located within each of strip-like regions with spacing regions being provided therebetween; touch driving electrodes, extending along the first direction and being located within the spacing regions between adjacent strip-like regions; and touch sensing electrodes, extending along a second direction, wherein the first direction is different from the second direction, and when the plurality of grating electrodes are electrified, liquid crystal molecules corresponding to each of the strip-like regions are deflected, and liquid crystal molecules corresponding to each of the spacing regions are not deflected.
    Type: Grant
    Filed: August 30, 2013
    Date of Patent: November 24, 2015
    Assignee: BEIJING BOE OPTOELECTRONICS TECHNOLOGIES CO., LTD.
    Inventor: Shengji Yang
  • Patent number: 9176348
    Abstract: A liquid crystal display panel includes switching elements, transparent pixel electrodes, and a transparent common electrode having a predetermined area overlapped with an upper layer of the transparent pixel electrode through an insulating film and driving liquid crystal with the transparent pixel electrode. In plane view, a shading layer covers at least one part of a conductive pattern where a light leakage occurs in front view by an alignment defect of the liquid crystal near a non-permeable conductive pattern disposed in the display region at the time of black display, and has eaves more protruding than the conductive pattern. The transparent common electrode is provided to overlap with the conductive pattern arranged to overlap with the light-shielding layer having the eaves in a side of the liquid crystal and to protrude compared with the light-shielding layer having the eaves in a planar view.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: November 3, 2015
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventor: Koji Yonemura
  • Patent number: 9176351
    Abstract: A liquid crystal display apparatus includes: an array substrate; a seal material; and an opposite substrate, wherein the array substrate includes: a plurality of thin film transistors formed in correspondence to respective intersection parts of a plurality of gate wirings and a plurality of source wirings; a pixel electrode connected to the thin film transistor; an opposite electrode formed to face the pixel electrode; a gate extraction wiring that connects the gate wirings and a connection terminal formed in an outer area of the seal material; a conductive film that covers the gate extraction wiring with sandwiching a first insulation film therebetween; and a second insulation film that covers the conductive film in at least part of the outer area of the seal material, and wherein the conductive film is applied with an electrical potential of the opposite electrode.
    Type: Grant
    Filed: March 19, 2012
    Date of Patent: November 3, 2015
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Shingo Nagano, Shigeaki Noumi, Osamu Miyakawa
  • Patent number: 9164329
    Abstract: A liquid crystal display includes first and second substrates facing each other, a liquid crystal layer between the substrates, first and second thin film transistors on the first substrate, and first and second pixel electrodes connected to the first and second thin film transistors, respectively, on the first substrate. A transverse center line bisects the first and second pixel electrodes into upper and lower portions. The first and second pixel electrodes include a plurality of branches which alternate. First and second regions include first and second intervals between adjacent branches of the first and second pixel electrodes, respectively, the first interval being larger then the second interval. At least one of the branches includes a first portion forming a first angle with the transverse center line, and a second portion forming a second angle with the transverse center line different from the first angle.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: October 20, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Mee Hye Jung, Hwa Sung Woo, Jae-Yong Shin, Se Hyoung Cho
  • Patent number: 9140939
    Abstract: A manufacturing method of a liquid crystal display includes forming a sacrificial layer on a liquid crystal panel, forming an etch stop layer on the sacrificial layer, forming a photo resist pattern on the etch stop layer, completing the etch stop layer using the photo resist pattern as a mask, ashing the photo resist pattern and the sacrificial layer by using the completed etch stop layer as a mask, forming a microcavity by removing a portion of the sacrificial layer and forming a liquid crystal layer in the microcavity.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: September 22, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seon Uk Lee, Won Tae Kim, Yu Jin Kim, Woo Jae Lee, Kyung-Tae Chae
  • Patent number: 9140919
    Abstract: The present invention discloses a package structure of a LCD module without additional fixing and connection devices such as screws, thereby increasing the possibility of further narrowing the frame and improving assembly efficiency of the product line. The package structure of LCD module comprises interlocking back plate, protection frame and front frame.
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: September 22, 2015
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Display Technology Co., Ltd.
    Inventor: Feng Zhao
  • Patent number: 9128317
    Abstract: The present invention discloses a liquid crystal module having F-type frames and an assembly method thereof. An F-type frame assembly according to the present invention is assembled by a plurality of F-type frames. Each of the F-type frames has a cross-section of F shape, and has a first opening portion located in an upper half thereof and a second opening portion located in a lower half thereof. Besides, the first opening portions and the second opening portions of all of the F-type frames are correspondingly facing inward, so as to form a first receiving space and a second receiving space, respectively. In the present invention, by placing a liquid crystal panel in the first receiving space and placing a backlight module in the second receiving space, a liquid crystal module is assembled.
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: September 8, 2015
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Gang Yu, Pei Jia, Liuyang Yang
  • Patent number: 9122110
    Abstract: A first polarizing plate having a polarization axis in a first direction, a second polarizing plate having a polarization axis in a second direction orthogonal to the first direction, a plurality of first structure bodies provided for the first substrate, a plurality of second structure bodies provided for the first substrate, a first electrode layer covering top surfaces and side surfaces of the plurality of first structure bodies, a second electrode layer covering top surfaces and side surfaces of the plurality of second structure bodies, and a third electrode layer that is provided for a second substrate and overlaps at least partly with the second electrode layer are provided. The side surfaces of the first structure bodies and the side surfaces of the second structure bodies are parallel to the first direction or the second direction.
    Type: Grant
    Filed: November 12, 2012
    Date of Patent: September 1, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Daisuke Kubota, Akio Yamashita, Masaru Nakano
  • Patent number: 9116397
    Abstract: A liquid crystal display device which is resistant to physical impact and can retain high-quality display characteristics is provided. Further, a liquid crystal display device with high reliability and high performance is provided. In a liquid crystal display device in which a liquid crystal composition is interposed between a pair of substrates, a spacer for keeping a gap between the substrates is provided over a structure body provided under a pixel electrode layer or a common electrode layer. The structure body is provided to make the pixel electrode layer and the common electrode layer project into the liquid crystal composition, and the structure body is provided to extend to a region where the spacer is provided. Since the structure body is formed using one continuous film, regions of the surface thereof have substantially the same height and the spacer can be stably provided with good adhesion.
    Type: Grant
    Filed: November 12, 2012
    Date of Patent: August 25, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Masaru Nakano, Daisuke Kubota, Akio Yamashita
  • Patent number: 9116374
    Abstract: An electro-optical device includes: an electro-optical panel; and a casing supporting and protecting the electro-optical panel, wherein the casing has a first frame body made by die casting supporting the electro-optical panel through a fixing layer, a second frame body protecting a lower surface of the electro-optical panel, a third frame body protecting end edges of the electro-optical panel, and a fixing portion fixing the second frame body and the third frame body to each other by a clamping force working in a first direction, and the fixing portion or the second frame body has an interference portion preventing falling-off of the first frame body in a state where a force is not applied to the first frame body in the first direction.
    Type: Grant
    Filed: January 9, 2013
    Date of Patent: August 25, 2015
    Assignee: Japan Display Inc.
    Inventors: Takuya Nishimoto, Yuichi Tsubaki