Patents Examined by Paul Lee
  • Patent number: 9645427
    Abstract: A liquid crystal display includes a substrate; a thin film transistor on the substrate; a pixel electrode connected to the thin film transistor; a first insulating layer facing the pixel electrode; a plurality of microcavities each defined between the pixel electrode and the first insulating layer and including a liquid crystal injection hole exposing an inside of the microcavity; a liquid crystal layer including liquid crystal molecules, in the microcavities; a light blocking layer between adjacent microcavities; and a passivation layer member enclosing the light blocking layer.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: May 9, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung Hwan Won, Yong Seok Kim, Tae Woo Lim, Pil Sook Kwon, Won Tae Kim, Han Joon Yoo, Dae Ho Lee, Nam Seok Roh, Woo Jae Lee
  • Patent number: 9645447
    Abstract: A liquid crystal on silicon (LCOS) display apparatus is provided, which includes a silicon substrate, a color filter layer, a first alignment layer, a second alignment layer and a liquid crystal layer. The silicon substrate has pixels arranged in a matrix. Each of the pixels has a tilting angle ranging from about 0 degrees to about 90 degrees and includes a pixel electrode. The color filter layer is disposed on the pixels. The color filter layer has a plurality of color filter units, and each of the color filter units respectively corresponds to one of the pixel electrodes. The first alignment layer is disposed on the color filter layer. The second alignment layer is disposed opposite to the first alignment layer. The liquid crystal layer is disposed between the first alignment layer and the second alignment layer. The liquid crystal layer has liquid crystal molecules with negative dielectric anisotropy.
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: May 9, 2017
    Assignee: HIMAX DISPLAY, INC.
    Inventors: Wen-Hsu Chen, Yuet-Wing Li
  • Patent number: 9645436
    Abstract: A display may have a color filter layer and a thin-film transistor layer. A liquid crystal layer may be located between the color filter layer and the thin-film transistor layer. The color filter layer may have an array of color filter elements on a transparent substrate. The array of color filter elements may include more than three colors. Colored photoimageable polymer layers may be combined to form some of the color filter elements. The color filter may have cyan, magenta, and yellow color filter elements each formed from a respective single layer of cyan, magenta, and yellow polymer and may have blue elements formed by overlapping cyan and magenta polymer, green elements formed by overlapping cyan and yellow polymer, and red elements formed by overlapping magenta and yellow polymer. Filters with white elements may also be provided.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: May 9, 2017
    Assignee: Apple Inc.
    Inventors: Yu-Cheng Chen, Young Cheol Yang, Hiroshi Osawa, Shih Chang Chang
  • Patent number: 9638975
    Abstract: The present invention provides a method for manufacturing a COA liquid crystal panel and a COA liquid crystal panel. The method includes forming a first pixel electrode layer on a color resist layer, forming a planarization layer on the first pixel electrode layer, and forming a second pixel electrode layer that is in engagement with the first pixel electrode layer on the planarization layer so as to achieve planarization of the pixel electrode layer to the maximum extent. Further, the second pixel electrode layer includes a pixel electrode block that is located in each sub pixel zone and has a lateral border located above a scan line and a longitudinal border located above a signal line so as to achieve self-shielding of light for the scan line and the signal line, allowing for omission of lateral and longitudinal black matrixes.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: May 2, 2017
    Assignee: SHENZHEN CHINA STAR OPTOELECTRICS TECHNOLOGY CO., LTD.
    Inventors: Hongyuan Xu, Bo Sun
  • Patent number: 9632382
    Abstract: The example of present invention provides an array substrate, the method for manufacturing the same, and a liquid crystal display device, wherein the array substrate comprises: a gate electrode, a gate insulating layer, a barrier layer pattern and an active semiconductor layer pattern formed by metal oxide semiconductor which are located on the gate insulating layer, a semiconductor protecting layer which covers the barrier layer pattern and the active semiconductor layer pattern, and has via holes at positions corresponding to the barrier layer pattern and the active semiconductor layer pattern; a data wire, a source electrode and a drain electrode formed by metal Cu, which are located at via holes. Metal Cu is used to form the data wire, the source electrode and the drain electrode, and the metal oxide semiconductor is used as the barrier layer for the metal Cu, and as a result, the diffusion of metal Cu into the layers such as the gate insulating layer etc.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: April 25, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Xiang Liu
  • Patent number: 9632229
    Abstract: A liquid crystal display device having high transmittance and a high color reproduction region, which includes a backlight unit including a light conversion member; and a liquid crystal cell and in which the light conversion member includes a light conversion layer containing a fluorescent material and an optical film arranged on both surfaces of the light conversion layer, the optical film includes an optical thin film forming an air interface, and a layer directly adjacent to the optical thin film, the liquid crystal display device satisfies n(535)<nu(535), n(535)×d is in a specific range, transmittance of a laminated body of the optical thin film and the layer directly adjacent to the optical thin film is in a specific range, and the backlight unit emits blue light, green light, and red light.
    Type: Grant
    Filed: February 11, 2016
    Date of Patent: April 25, 2017
    Assignee: FUJIFILM CORPORATION
    Inventors: Naoyoshi Yamada, Tatsuya Oba, Yukito Saitoh, Katsufumi Ohmuro, Akiko Watano
  • Patent number: 9632368
    Abstract: The present invention provides a liquid crystal display pixel structure and a manufacture method thereof. The liquid crystal display pixel structure comprises: a lower substrate, a passivation layer located on an upper surface of the lower substrate, a pixel electrode located on the passivation layer, an upper substrate, and a common electrode located on a lower surface of the upper substrate; each pixel comprises multi domains; in one pixel, the passivation layer comprises at least two trench structures having different depths, and the pixel electrode uninterruptedly covers on the trench structures, the trench structures having different depths divide the one pixel into different areas to realize that liquid crystals in different areas of the one pixel have different twisted angles under the same driving voltage.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: April 25, 2017
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Feng Zhao, Chungyi Chiu
  • Patent number: 9625754
    Abstract: A backlight assembly outputs light. A display panel receives the light and displays an image. A first adhesive member on an edge of the backlight assembly fixes the backlight assembly to the display panel. The backlight assembly may include a light emitting unit, a light guide plate and a reflecting member. The first adhesive member may intervene between the display panel and the reflecting member and may fix the display panel to the reflecting member.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: April 18, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD
    Inventors: Cheolyong Noh, Kise Lee, Seongsik Choi
  • Patent number: 9618689
    Abstract: Electronic devices may include displays having backlight structures that include optical films. The optical films may help guide light from the backlight structures to display layers that generate display images using the light. The optical films may be attached together at one or more locations. The optical films may be attached to a structural member of the backlight structures. The structural member may be formed along each edge of the optical films and prevent the optical films from sliding within the display. Each optical film may be designed to expand to a common lateral size when the display is operated at a display operating temperature. The optical films may each include an elongated opening such as a slot through which a pin can be placed to partially constrain the movement of the optical films while allowing the optical films to expand or contract under changing thermal conditions in the display.
    Type: Grant
    Filed: February 19, 2013
    Date of Patent: April 11, 2017
    Assignee: Apple Inc.
    Inventors: Jeremy C. Franklin, Kevin D. Gibbs, Amy Qian, John Raff
  • Patent number: 9618793
    Abstract: A liquid crystal display device includes a liquid crystal display panel and a backlight unit providing light to the liquid crystal display panel. The liquid crystal display panel includes a first substrate on which a thin film transistor is disposed, a second substrate facing the first substrate, a liquid crystal layer disposed between the first substrate and the second substrate, and a first polarizer disposed on the second substrate having a plurality of metal patterns spaced apart from each other by an interval. The backlight unit faces the second substrate.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: April 11, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung-Gun Nam, Kyoung-Tai Han, Dae-Young Lee, Dae-Hwan Jang, Gug-Rae Jo, Atsushi Takakuwa
  • Patent number: 9612473
    Abstract: A display device includes a display panel and a backlight unit. The display panel is configured to display an image. The backlight unit is configured to provide light to the display panel. The display panel includes an array substrate including a plurality of pixel areas, an opposite substrate facing the array substrate, a liquid crystal layer disposed between the array substrate and the opposite substrate, and a wavelength-selective transflective member disposed on the array substrate or the opposite substrate.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: April 4, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyundeok Im, Oleg Prudnikov, TaeWoo Kim, Moongyu Lee, Byoungho Cheong
  • Patent number: 9612469
    Abstract: Provided is a display device, including a substrate including pixel areas which are disposed in a matrix form including pixel rows and pixel columns, a thin film transistor formed on the substrate, a pixel electrode connected to the thin film transistor, a common electrode formed on the pixel electrode to be spaced apart from the pixel electrode with a microcavity therebetween, a liquid crystal layer filling the microcavity between the pixel electrode and the common electrode, a roof layer formed on the common electrode, a liquid crystal injection hole formed in the common electrode and the roof layer to expose a part of the microcavity, and an overcoat formed on the roof layer so as to cover the liquid crystal injection hole to seal the microcavity. A cross section of the microcavity has a reverse-tapered trapezoidal shape in which an upper width is larger than a lower width.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: April 4, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Suk Bang, Dae Ho Song, Seok-Joon Hong
  • Patent number: 9606403
    Abstract: Provided is a liquid crystal display device and a method for producing the same, wherein one electrode is composed of four segmented electrodes (P1, P2, P3, P4) and has segmented orientations (O1, O2, O3, O4), and the segmented electrode (p4) has the same structure as that of segmented electrodes (P?4) of adjacent pixels (at three positions of right, below, and lower right). An area surrounding four segmented electrodes (P4 (P?4)) that are present in adjacent four pixels having the same structure is processed with the same segmented orientation (O4). With this configuration, excellent viewing angle properties are maintained even with high-definition pixels, and efficient processing with segmented orientations can be performed.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: March 28, 2017
    Assignee: NLT TECHNOLOGIES, LTD.
    Inventors: Mitsuhiro Sugimoto, Ken Sumiyoshi, Shinichi Nishida, Hidenori Ikeno, Hideki Ito
  • Patent number: 9606387
    Abstract: In a liquid crystal display module, notches are disposed on limiting sections and opposite to flexible circuit boards disposed on a liquid crystal panel so that the flexible circuit boards protrude through the notches and are bent toward the connecting sections; and moreover first depressed sections configured to accommodate the flexible circuit boards may be disposed on the connecting sections and opposite to the notches; and second depressed sections depressed inward may be disposed on the folded edge and opposite to the first depressed sections so that the first depressed sections and the second depressed sections cooperate with each other.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: March 28, 2017
    Assignees: HISENSE ELECTRIC CO., LTD., HISENSE USA CORPORATION, HISENSE INTERNATIONAL CO., LTD.
    Inventor: Hao Liu
  • Patent number: 9600113
    Abstract: Flexible circuits for routing signals of a device, such as a touch sensor panel of a touch sensitive device, are provided. The flexible circuit can include a first set of traces for routing a first set of lines and a second set of traces for routing a second set of lines. The first set of traces can couple together the ends of at least a portion of the first set of lines. Additionally, the first set of traces can be non-intersecting or non-overlapping with the second set of traces. The flexible circuit can have a T-shape configuration and can be incorporated within a touch sensitive device, display device, printed circuit board, or the like. The flexible circuit can be placed over another flexible circuit, and can extend onto the device.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: March 21, 2017
    Assignee: Apple Inc.
    Inventors: Steven P. Hotelling, Joshua G. Wurzel, Steven J. Martisauskas, Thayne M. Miller, Kuo-Hua Sung
  • Patent number: 9599868
    Abstract: The present invention provides a liquid crystal display panel that, when subjected to laser repair for repairing defects, can avoid degradation of members other than the target of the laser repair.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: March 21, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hijiri Nakahara, Mitsunori Harada, Masakatsu Tominaga
  • Patent number: 9595549
    Abstract: A display device and a method of manufacturing the display device improve reliability by preventing contact between a color filter, a light blocking member and a liquid crystal layer. The display device includes: a substrate including pixel areas; a thin film transistor formed on the substrate; a pixel electrode connected to the thin film transistor and formed in the pixel areas; a roof layer formed on the pixel electrode; microcavities interposed between the pixel electrode and the roof layer; an injection hole formed in the roof layer, the injection hole configured to expose at least a portion of the microcavities; a liquid crystal layer filled in at least one of the microcavities; an encapsulation layer formed on the roof layer, the encapsulation layer configured to cover the injection hole and to seal the microcavities; and an organic layer formed on the encapsulation layer.
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: March 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Hwan Won, Seon Uk Lee, Pil Sook Kwon, Yong Seok Kim, Won Tae Kim, Han Joon Yoo, Woo Jae Lee
  • Patent number: 9588349
    Abstract: A liquid crystal lens includes a first lens electrode, a second lens electrode, bus lines, and a contact portion. The first lens electrode is disposed in at least a display area of the liquid crystal lens. The second lens electrode is disposed in at least the display area. The bus lines are disposed in a peripheral area of the liquid crystal lens, the peripheral area being disposed outside the display area, the first lens electrode and the second lens electrode being connected to respective ones of the bus lines. The contact portion overlaps the bus lines and electrically connects the respective bus lines to the first lens electrode and the second lens electrode.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: March 7, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se-Young Song, Kwang-Chul Jung, Mee-Hye Jung, Sun-Hwa Lee, In-Jae Hwang
  • Patent number: 9588427
    Abstract: A light exposure system executing a light exposure process to a plurality of assembly cells, each of which includes a first substrate, a second substrate and a liquid crystal layer disposed between the first and second substrates, comprises: a transmission device; two moving stages disposed on the transmission device and carrying the assembly cells; and a light source module including at least a light emitting element, wherein the transmission device moves at least one of the moving stages carrying the assembly cell or the light source module, and the light emitting element emits the light to the assembly cell, wherein the assembly cells include a first assembly cell and a second assembly cell, the moving stages carry the first assembly cell and the second assembly cell, respectively, wherein when the light exposure process is executed to the first assembly cell, the second assembly cell receives the work of cell replacement and alignment, electrode contact and application of electric field, wherein when the
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: March 7, 2017
    Assignee: INNOLUX CORPORATION
    Inventors: Ker-Yih Kao, Tsan-Jen Chen, Chen-Kuan Kao, Chien-Hsing Lee
  • Patent number: 9588366
    Abstract: There is provided a high-definition liquid crystal display device that can prevent flicker due to a reduction in the pixel potential in a low-frequency drive of about 10 Hz to reduce power consumption. The pixel has a TFT formed of Poly-Si as a switching element. In the pixel, a capacitance insulating film is formed on a planar first electrode on which a comb-shaped second electrode is formed. When the film thickness of the insulating film is d and the dielectric constant at 10 Hz frequency is ?, it is given that ?d?5×10?6 m at 10 Hz frequency. The capacitance insulating film does not have a hysteresis characteristic. The refractive index of the capacitance insulating film with respect to a light of a wavelength of 632.8 nm is 1.7 to 2.0.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: March 7, 2017
    Assignee: Japan Display Inc.
    Inventors: Toshiki Kaneko, Takashi Nakamura, Masahiro Tada, Yukio Tanaka, Hiroyuki Kimura, Osamu Itou