Formed As Walls (e.g., Between Pixels) Or Integral With Substrate Patents (Class 349/156)
  • Patent number: 9348166
    Abstract: The present disclosure provides a liquid crystal display panel. The liquid crystal display panel comprises an array substrate and a color filter substrate. Liquid crystal is filled between the array substrate and the color filter substrate, the array substrate includes a pixel electrode, and the color filter substrate includes a common electrode corresponding to the pixel electrode. The common electrode stores charges when an external object carrying static electricity touches a display region of the liquid crystal display panel, and thus a potential difference is formed between the pixel electrode of the array substrate and respective touch points, contacting with the external object, in the display region of the liquid crystal display panel, so that the liquid crystal between the touch point and the pixel electrode is deflected according to the formed potential difference. With such liquid crystal display panel, a process for displaying dynamically depicted graphs is simplified.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: May 24, 2016
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Display Technology Co., Ltd.
    Inventors: Libin Pang, Dongki Oh, Xuesong Gao
  • Patent number: 9341877
    Abstract: A liquid crystal display includes a thin film transistor disposed on a substrate, a pixel electrode connected to the thin film transistor, a lower insulating layer disposed facing the pixel electrode, a roof layer disposed on the lower insulating layer, and a microcavity formed between the pixel electrode and the lower insulating layer. The microcavity includes a liquid crystal layer including a liquid crystal material. The liquid crystal display further includes a first groove formed between a first pixel area and a second pixel area, a second groove formed between the first pixel area and a third pixel area, wherein the first groove is covered by the roof layer, the second groove is exposed at a portion where the roof layer is removed, the first pixel area corresponds to the pixel electrode, and the first pixel area is disposed between the second pixel area and the third pixel area.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: May 17, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Si Kwang Kim, Tae Gyun Kim, Woo Yong Sung, Hyoung Sub Lee, Ha-Young Park, Tae Woon Cha, Se Hee Han
  • Patent number: 9304360
    Abstract: Embodiments of the invention provide a liquid crystal panel and a display device. The liquid crystal panel includes an array substrate, an opposite substrate and a liquid crystal layer provided between the array substrate and the opposite substrate. Spacers are arranged on the opposite substrate, pad are arranged on the array substrate, and each of the spacers corresponds to a plurality of pads and has different contact areas with the plurality of pads.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: April 5, 2016
    Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dasheng Hui, Yongjun Yoon, Zhizhong Tu, Ying Shen, Lei Guo
  • Patent number: 9299728
    Abstract: A display panel includes: a substrate; a bottom-gate thin-film transistor above the substrate and including a gate electrode, a first electrode, and a second electrode; an insulating layer above the thin-film transistor and including a contact hole penetrating the insulating layer in a thickness direction of the insulating layer; a pixel electrode above the insulating layer and electrically connected to the second electrode via the contact hole; and a height adjusting layer selectively located below the contact hole to allow the contact hole to have a bottom at a raised level.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: March 29, 2016
    Assignee: JOLED INC.
    Inventor: Shinya Ono
  • Patent number: 9291861
    Abstract: According to exemplary embodiments of the invention, a liquid crystal display is provided which includes a plurality of spacers having different heights or a different distance or different pressure tolerance from a corresponding display panel and disposed in at least two pixel areas displaying different colors. As compared with conventional techniques (e.g., disposing the spacers only in one pixel area), the disposition density of the spacer per pixel area is lowered, such that it is possible to prevent the pressure tolerance of the spacer from intensively acting only on a specific pixel. The pressure tolerance of the spacer is uniformly maintained for every pixel, so that insufficiency of the amount of dropping liquid crystal is avoided. As a result, it is possible to prevent the light leakage caused by the insufficient liquid crystal.
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: March 22, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun-Kyu Joo, Sam Jin Hwang, Ju Hyeon Baek, Ji Young Jeong
  • Patent number: 9280018
    Abstract: A multistable liquid crystal device having liquid crystal molecules in one or more cavities, wherein at least one liquid crystal region of high distortion (100, 110) is formed in each cavity, the distortion region (100, 110) being switchable between at least two stable states on application of an electric field, the device being such that at least one of the stable states may be utilized as a reflective mode.
    Type: Grant
    Filed: June 7, 2007
    Date of Patent: March 8, 2016
    Assignee: Sybre Limited
    Inventors: Nigel Mottram, Andrew Davidson
  • Patent number: 9280019
    Abstract: A device is disclosed. The device includes a substrate, and a plurality of spacers arranged on one side of the substrate. Each spacer has a cross section taken in a direction parallel with the substrate, where a size of the cross section of each spacer in a length direction is greater than a size of the cross section of each spacer in a width direction. In addition, an angle between the length direction of the cross section of the spacer and an X-direction of the substrate is greater than about 0° and less than about 90°, or greater than about 90° and less than about 180°.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: March 8, 2016
    Assignee: Tianma Micro-Electronics Co., Ltd.
    Inventors: Xiaolin Liu, Jia Xie, Yongdong Zhang
  • Patent number: 9274366
    Abstract: A display device includes a first substrate which is light transmissive and has a display region and a periphery region surrounding the display region. A light shielding portion is formed in at least the periphery region of the first substrate and has a light passing portion in the periphery region. A first scale mark portion is formed on the first substrate so as to be arranged inside the light passing portion. A second substrate overlaps the first substrate and a second scale mark portion is formed on the second substrate and forms a pair with the first scale mark portion. A sealing member seals the first and second substrates in the periphery region between the display region and the light passing portion. A dam portion is formed on the first substrate between the display region and the light passing portion.
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: March 1, 2016
    Assignee: Japan Display Inc.
    Inventors: Takao Sato, Saori Sugiyama
  • Patent number: 9250482
    Abstract: A liquid crystal display device, includes a first substrate including a first insulating substrate, a first thin film positioned on the first insulating substrate, and a first alignment layer positioned on the first thin film and including a first exposing area that exposes the first thin film, a second substrate facing the first substrate and including a second insulating substrate, a spacer positioned between the first substrate and the second substrate and including at least a part that corresponds to the first exposing area, and a liquid crystal layer positioned between the first substrate and the second substrate.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: February 2, 2016
    Assignees: Samsung Display Co., Ltd., Industry-University Cooperation Foundation, Hanyang University
    Inventors: Wang-su Hong, Jae-hoon Kim
  • Patent number: 9239496
    Abstract: A display may have a layer of liquid crystal material between a color filter layer and a thin-film transistor layer. Column spacer structures may be formed between the color filter layer and the thin-film transistor layer to maintain a desired separation between the color filter and thin-film transistor layers. The column spacer structures may be formed from polymer structures such as photoresist pillars and may include metal pads. The metal pads may be formed on the upper surface of the thin-film transistor layer or the lower surface of the color filter layer. The photoresist pillars may be formed on a surface in the display such as the lower surface of the color filter layer. Column spacer structures may include main spacer structures, subspacer structures, and intermediate thickness spacer structures to enhance pooling mura and light leakage performance.
    Type: Grant
    Filed: April 11, 2013
    Date of Patent: January 19, 2016
    Assignee: Apple Inc.
    Inventors: Zhibing Ge, Cheng Chen, Enkhamgalan Dorjgotov, Jun Qi
  • Patent number: 9229259
    Abstract: A cholesteric liquid crystal writing board display device includes a plurality of cholesteric liquid crystal writing tablets and a front cover layer extending over the cholesteric liquid crystal writing tablets. The cholesteric liquid crystal writing tablets are tiled together by the front cover layer such that the writing board display device appears nearly seamless. Or, the writing tablets can be spaced apart from each other.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: January 5, 2016
    Assignee: KENT DISPLAYS INCORPORATED
    Inventors: Erica Montbach, John Krinock, Asad Khan
  • Patent number: 9213201
    Abstract: In a display panel and a method of manufacturing the same, the display panel includes a first display substrate, a second display substrate and a sealing member. The first display substrate includes a first alignment layer in a first display region and a first peripheral region of a first base substrate, and a first backflow-blocking pattern in the first peripheral region and having a curvature to surround a vertex portion of the first display region. The second display substrate includes a second alignment layer in a second display region which faces the first display region and a second peripheral region of a second base substrate. The sealing member includes a corner portion having substantially the same curvature as the first backflow-blocking pattern to surround an outline of the first and second peripheral regions.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: December 15, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young-Min Jung, Sang-Yeoul Lim, Kweon-Sam Hong, Hong-Joon Moon, You-Hyun Jeong, Sang-Ho Kim, Ho-Jun Lee
  • Patent number: 9213202
    Abstract: A display device includes a first substrate having a plurality of TFTs, a passivation film, and a plurality of pixel electrodes, and a second substrate arranged with a gap with the first substrate. The passivation film has a plurality of contact holes, and the plurality of pixel electrodes are connected to the plurality of TFTs via the plurality of contact holes. The second substrate has a plurality of columnar spacers for ensuring the gap with the first substrate, and a plurality of columnar projections for misalignment prevention formed at positions corresponding to the contact holes. The number of the plurality of columnar projections is less than the number of the plurality of columnar spacers.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: December 15, 2015
    Assignee: JAPAN DISPLAY INC.
    Inventors: Yasushi Tomioka, Noboru Kunimatsu, Hidehiro Sonoda, Yasuo Imanishi, Koichi Igeta
  • Patent number: 9207487
    Abstract: In a first substrate, a first organic insulating film is arranged in an active area, and includes a first surface and a first concave portion in a peripheral area outside the active area. The first concave portion is located more close to a substrate end side than the first surface. In a second substrate, a shield layer is arranged in the peripheral area facing the first substrate. A second organic insulating film includes a second surface facing the first surface and a second concave portion facing the first concave portion. The second organic insulating film overlaps the shield layer in the peripheral area. A pillar-shaped spacer is arranged between the first surface and the second surface in the peripheral area. A seal material contains the pillar-shaped spacer and is arranged between the first surface and the second surface, and between the first concave portion and the second concave portion.
    Type: Grant
    Filed: August 6, 2013
    Date of Patent: December 8, 2015
    Assignee: Japan Display Inc.
    Inventor: Atsuko Oono
  • Patent number: 9177977
    Abstract: According to one embodiment, a display device includes a first substrate including a first insulative substrate, an outer peripheral wiring formed above the first insulative substrate, an insulation film disposed on the outer peripheral wiring, a pixel electrode formed on the insulation film in an active area for displaying an image, and a first bank formed in a line shape on the insulation film in a peripheral area surrounding the active area, a second substrate including at least a second insulative substrate, and a sealant which is provided in a manner to envelop the first bank, and which attaches the first substrate and the second substrate.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: November 3, 2015
    Assignee: Japan Display Inc.
    Inventor: Muneharu Akiyoshi
  • Patent number: 9164328
    Abstract: A spacer portion for keeping a thickness of a liquid crystal layer is provided at an intersecting portion between a gate wiring and a source wiring when seen in a plan view, and a light shielding portion for spacer portion which shields the spacer portion from light is provided. The spacer portion is disposed in a region in which the light shielding portion for spacer portion is provided when seen in a plan view. Then, the source wiring has two bend portions which are bent in mutually different directions in the region in which the light shielding portion for spacer portion is provided when seen in a plan view.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: October 20, 2015
    Assignee: Japan Display Inc.
    Inventors: Shumpei Takeuchi, Akio Ota
  • Patent number: 9158159
    Abstract: A liquid crystal display panel includes a lower substrate, an upper substrate and a liquid crystal layer. The lower substrate includes a first base substrate and a pixel electrode formed on the first base substrate. The first base substrate includes a first sub pixel area and a second sub pixel area. The upper substrate includes a second base substrate and a common electrode formed on the second base substrate. The liquid crystal layer is interposed between the lower substrate and the upper substrate, and includes a first polymer disposed in the first sub pixel area and a second polymer disposed in the second pixel area. The first polymer has a first pre-tilt, and the second polymer has a second pre-tilt different from the first pre-tilt. Thus, a display quality of a liquid crystal display apparatus including the liquid crystal display panel may be enhanced.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: October 13, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hoon Kim, Ki-Chul Shin, Tae-Hoon Yoon, Ki-Han Kim, Sun-Wook Choi
  • Patent number: 9146411
    Abstract: An exemplary liquid crystal display (LCD) includes a casing and a liquid crystal panel accommodated in the casing. The casing includes a frame and a window surrounded by an inner side of the frame. The liquid crystal panel includes an outside surface essentially serving as a display screen for displaying images and a peripheral wall. The liquid crystal panel is attached to the frame, with the inner side of the frame contacting the peripheral wall of the liquid crystal panel, and the display screen exposed outside of the casing.
    Type: Grant
    Filed: March 19, 2014
    Date of Patent: September 29, 2015
    Assignee: INNOLUX CORPORATION
    Inventors: Chih-Hao Chen, Chih-Wei Ho, Chao-Yi Hung, Tsau-Hua Hsieh
  • Patent number: 9140934
    Abstract: A liquid crystal display includes a liquid crystal display panel. The liquid crystal display panel includes a substrate and a substrate which are disposed opposite to each other, columnar spacers which are disposed on a surface of the substrate, and a liquid crystal layer filled between the substrates. A peripheral edge part of a display region has a dual PS structure in which the columnar spacer and the columnar spacer are disposed. A central part of the display region has any of a main PS structure in which only the columnar spacer is disposed, a sub PS structure in which only the columnar spacer is disposed, and the dual PS structure.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: September 22, 2015
    Assignee: Mitsubishi Electric Corporation
    Inventor: Yasunori Niwano
  • Patent number: 9140924
    Abstract: A display device having a plurality of pixel units and a manufacturing method of the same are provided. The display device includes a first substrate assembly, a second substrate assembly, a liquid crystal mixture, and a pillared polymer network. The first substrate assembly includes a first substrate and a first electrode layer disposed on the first substrate. The second substrate assembly includes a second substrate. The liquid crystal mixture is disposed between the first and second substrate assemblies. The pillared polymer network is disposed between the first and second substrate assemblies and has a first end and second end. The first end abuts against the first substrate assembly and is disposed correspondingly to the first electrode layer. The second end abuts against the second substrate assembly. Each of the pixel units includes the pillared polymer network.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: September 22, 2015
    Assignee: INNOLUX CORPORATION
    Inventors: Chien-Hung Chen, Chuan-Chung Wang, Pi-Ying Chuang, Li-Chieh Hsu
  • Patent number: 9127200
    Abstract: The instant invention relates to liquid crystalline media comprising a chiral component, component A, consisting of one or more chiral compounds, optionally, a bimesogenic component, component B, consisting of one or more bimesogenic compounds, a liquid crystalline component, component C, consisting of one or more liquid crystalline, respectively mesogenic compounds, and a reactive mesogenic component, component D, comprising, one or more reactive mesogenic compounds, as defined in claim 1, to their stabilization by polymerization and to the polymer-stabilized liquid crystal materials, as well as to liquid crystal displays comprising these liquid crystal media, respectively these stabilized materials, especially to USH-displays and in particular to active matrix displays and, last not least, to the processes of preparation of the respective composite systems and of the displays comprising these systems.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: September 8, 2015
    Assignee: Merck Patent GmbH
    Inventors: Seung-Eun Lee, Sang-Kyu Lee, Heui-Seok Jin, Won-Hoon Park, Karl Skjonnemand, David Wilkes, Kevin Adlem, Patricia Saxton, Owain Llyr Parri
  • 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: 9116269
    Abstract: A microoptical device, and a method for forming cavities of the microoptical device, including: (a) forming, on the planar surface of a support substrate (10), a layer (12) of a sacrificial material, b) forming walls (6) of said cavities, the bottom of said cavities (4) being formed by said layer of sacrificial material, c) conformally depositing a layer (30) of absorbing, on tops (60) of the walls, on flanks (61, 62) of the walls, and on the bottom (4?) of the cavities, d) etching the sacrificial layer (12), and removing the material of this layer and the material of the layer (30) of absorbing material being present at the bottom of the cavities (4).
    Type: Grant
    Filed: July 20, 2011
    Date of Patent: August 25, 2015
    Assignee: Commissariat a l'energie atomique et aux energies alternatives
    Inventor: Edouard Deschaseaux
  • Patent number: 9110337
    Abstract: A display device including: a first insulation substrate and a second insulation substrate facing each other; a first field generating electrode and a second field generating electrode disposed on the first insulation substrate, wherein the first and second field generating electrodes overlap each other via an insulating layer; a first signal line and a second signal line disposed on the first insulation substrate and connected to the first field generating electrode; a slit pattern disposed in the first field generating electrode or the second field generating electrode; and a spacer disposed between the first insulation substrate and the second insulation substrate, wherein the spacer overlaps a portion of the slit pattern.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: August 18, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Hoon Yang, Jung-Hun Noh, Keun Kyu Song, Hyun Sup Lee, Sang-Hee Jang
  • Patent number: 9110336
    Abstract: Columnar spacers are formed on a TFT substrate where a TFT circuit layer is formed. The TFT circuit layer has a TFT and a pixel electrode. A spacing between the TFT substrate and a counter substrate having a color filter, a black matrix, and an overcoat film is controlled by columnar spacers. The columnar spacers are inserted into an overcoat film formed on the counter substrate. Thus, the counter substrate and the TFT substrate are protruded inward. The substrates protruded inward are unlikely to be deformed. When an external pressure is applied or the front window or the like is bonded to the liquid crystal display panel with resin, the counter substrate is unlikely to be deformed by a stress applied by shrinkage on resin curing. Moreover, the number of columnar spacers can be properly set, thereby preventing the occurrence of low-temperature air bubbles.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: August 18, 2015
    Assignee: JAPAN DISPLAY INC.
    Inventors: Setsuo Kobayashi, Sumito Ueta
  • Patent number: 9104073
    Abstract: In a display device having high reliability, even if being a narrow framing type, and a method for manufacturing thereof, having a display panel, being made up with a first substrate 101 and a second substrate 201, which are adhered with using a seal 301, a main SOC 302 is disposed like a wall, on a peripheral end portion of the first substrate 101 and the second substrate 201, and the seal 301 is disposed inwardly of the main SOC 302. Also, in a method for manufacturing thereof, the main SOC 302 is formed in a region including a cutting plane between the display panel regions neighboring with, and on the cutting plane is made the cutting thereof.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: August 11, 2015
    Assignee: JAPAN DISPLAY INC.
    Inventor: Eisuke Hatakeyama
  • Patent number: 9091889
    Abstract: To provide a structure of an electrically stable step film of a columnar spacer, which can be formed in a region of a storage capacitor without increasing the number of steps. A liquid crystal display device of the present invention further includes, in all the pixels, step films of a same area formed with a semiconductor layer within a storage capacitor forming part. The pixels includes a kind in which the columnar spacer is provided at a position abutting against a step film forming part and a kind in which the columnar spacer is provided at a position away from the step film forming part.
    Type: Grant
    Filed: November 3, 2011
    Date of Patent: July 28, 2015
    Assignee: NLT TECHNOLOGIES, LTD.
    Inventors: Hideki Ito, Shinichi Nishida, Takahiko Watanabe, Atsushi Yamamoto
  • Patent number: 9091888
    Abstract: A liquid crystal display device, includes a first substrate including a first insulating substrate, a first thin film positioned on the first insulating substrate, and a first alignment layer positioned on the first thin film and including a first exposing area that exposes the first thin film, a second substrate facing the first substrate and including a second insulating substrate, a spacer positioned between the first substrate and the second substrate and including at least a part that corresponds to the first exposing area, and a liquid crystal layer positioned between the first substrate and the second substrate.
    Type: Grant
    Filed: June 20, 2008
    Date of Patent: July 28, 2015
    Assignees: Samsung Display Co., Ltd., Industry-University Cooperation Foundation, Hanyang University
    Inventors: Wang-su Hong, Jae-hoon Kim
  • Patent number: 9081239
    Abstract: A liquid crystal display device including first and second substrates, and a liquid crystal layer sealed therebetween. The device also includes a first electrode formed on the first substrate and a second electrode formed on the second substrate; a first molecule orientation film formed on the first substrate so as to cover the first electrode; a second molecule orientation film formed on the second substrate so as to cover the second electrode; a plurality of micro structures associated with at least one of the first and second electrodes; and a plurality of rough structural patterns associated with at least one of the first and second electrodes. At least some of the micro structures extend generally parallel to each other, and the rough structural patterns extend in directions different from directions in which the micro structures extend.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: July 14, 2015
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shingo Kataoka, Arihiro Takeda, Takahiro Sasaki, Tsutomu Seino, Yoshio Koike, Hidefumi Yoshida, Yuichi Inoue, Kazutaka Hanaoka, Seiji Tanuma, Takatoshi Mayama, Kimiaki Nakamura, Hideo Chida, Seiji Doi, Tetsuya Fujikawa, Takashi Takagi, Hiroyasu Inoue
  • Patent number: 9080719
    Abstract: According to one embodiment, a display device includes a panel cell, a member structurally independent from the panel cell, and a fixing portion fixing the panel cell and the member.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: July 14, 2015
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Fumihiko Koizumi, Shinobu Ofuchi
  • Patent number: 9082941
    Abstract: A formulation incorporates nanoparticles, particularly quantum dot (QD) nanoparticles, into an optically clear medium (resin) to be used as a phosphor material in lighting and display applications, and as a down converting phosphor material in LEDs (light emitting diodes). The resin is compatible with QDs to allow high performance and stability of QD-based LEDs, lighting and display applications.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: July 14, 2015
    Assignee: Nanoco Technologies, LTD.
    Inventors: Imad Naasani, Hao Pang, Siobhan S. Daniels, Emma Fitzgerald, Mark McCairn
  • Patent number: 9069214
    Abstract: According to one embodiment, a liquid crystal display panel includes an array substrate, a counter-substrate, a liquid crystal layer and a columnar spacer. The array substrate includes a wiring including projection portion which form a dot pattern with light-blocking properties, and a first horizontal alignment film. The counter-substrate includes a second horizontal alignment film. The columnar spacer is disposed between the array substrate and the counter-substrate and is located within the dot pattern.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: June 30, 2015
    Assignee: Japan Display Inc.
    Inventor: Masato Nakamura
  • Patent number: 9057910
    Abstract: A display panel including a substrate on which a switching element is disposed, a first electrode connected to the switching element, an image displaying layer disposed under the first electrode, a second electrode disposed under the image displaying layer and insulated from the first electrode, a protective layer disposed under the second electrode and surrounding a lower surface and side surfaces of the image displaying layer, and an upper polarizing plate disposed on the substrate, and making contact with the substrate.
    Type: Grant
    Filed: January 4, 2013
    Date of Patent: June 16, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Su Kim, Seung-Beom Park, Kwang-Hyun Kim, Ji-Hoon Kim, Gwan-Young Na, Beong-hun Beon, Na-Young Shin
  • Patent number: 9036116
    Abstract: A liquid crystal display device includes a TFT substrate having a display area in which pixels are arranged, and a terminal portion, a counter substrate disposed opposite to the TFT substrate, a sealing material formed in a periphery to bond the TFT and counter substrates together, and with a liquid crystal layer interposed between an orientation film formed on the TFT substrate and an orientation film formed on the counter substrate. A first, second, or third color filter is formed corresponding to each of the pixels in the display area of the TFT substrate, and an orientation film stopper is formed by an overlapping portion of the first, second, or third color filter at least in an area between the display area and the terminal portion of the TFT substrate so that a profile of the orientation film is defined by the orientation film stopper.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: May 19, 2015
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventor: Jun Gotoh
  • Publication number: 20150124209
    Abstract: In an LCD device, the slope angle of a wall surface of a wall structure (wall-surface slope angle) is varied in accordance with the angle formed between the wall structure and an alignment treatment direction (alignment treatment angle). At places where the alignment treatment angle is small, the wall-surface slope angle is made larger; conversely, at places where the alignment treatment angle is large, the wall-surface slope angle is made smaller.
    Type: Application
    Filed: November 4, 2014
    Publication date: May 7, 2015
    Inventors: Osamu ITOU, Takato HIRATSUKA, Toshimasa ISHIGAKI, Daisuke SONODA
  • Patent number: 9025125
    Abstract: A display device includes a display section, and a light barrier element. The light barrier element includes a pair of substrates, a liquid crystal layer that is provided between the pair of substrates and has a plurality of sub-regions that transmit or block light, and a plurality of spacers provided between the pair of substrates. The plurality of spacers are randomly arranged in part or all of a region in surfaces of the substrates.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: May 5, 2015
    Assignee: Japan Display Inc.
    Inventors: Yuzo Kanari, Hironao Tanaka, Amane Higashi, Harumi Okuno, Masayuki Ito
  • Patent number: 9025108
    Abstract: A display apparatus includes a first substrate having a display area and a non-display area surrounding the display area, an organic film on the first substrate, a first trench in the organic film in the non-display area, the first trench surrounding the display area and including a first sidewall on an inner side of the display apparatus, which includes a sidewall of the organic film, and a second sidewall on an outer side of the display apparatus, which includes a sidewall of the organic film, and a first blocking film containing an inorganic material and covering a surface of the organic film in the non-display area and the sidewall of the organic film included in the first sidewall of the first trench.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: May 5, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Ho Cho, Do Hoon Kim
  • Patent number: 9019459
    Abstract: The present invention provides a liquid crystal display panel which can prevent an electric short circuit (leakage) between a pair of substrates with no additional production step in the case where a multilayer spacer is used. The present invention is a liquid crystal display panel comprising: a pair of substrates; and a liquid crystal layer between the substrates, wherein a first substrate of the substrates has a support substrate, a plurality of pixel electrodes, transparent colored layers of plural colors overlapping with the pixel electrodes, and a multilayer spacer formed of a stacked body of three or more resin layers including transparent colored layers of plural colors, and a second substrate of the substrates has a supporting substrate and a common electrode.
    Type: Grant
    Filed: November 29, 2010
    Date of Patent: April 28, 2015
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yoshitaka Okumoto, Toshinori Sugihara, Toshihide Tsubata, Keiichi Tanaka
  • Patent number: 9001302
    Abstract: A manufacturing method of a liquid crystal display includes: forming a thin film transistor on a first substrate; forming a color filter on the thin film transistor; forming a pixel electrode on the color filter; and forming a light blocking member including a column spacer protruded from the light blocking member on the color filter. The forming the light blocking member uses a mask including a first region, a second region, and a third region. The first region passes light generated from a light exposer, the second region includes a blocking filter layer which selectively passes the light generated from the light exposer, and the third region blocks the light generated from the light exposer.
    Type: Grant
    Filed: June 18, 2012
    Date of Patent: April 7, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gwan-Soo Kim, Chul Huh, Dong-Uk Kang
  • Patent number: 8994897
    Abstract: There is provided a reflective liquid crystal display device including a first liquid crystal panel containing a first liquid crystal material that reflects light of a first color, a second liquid crystal panel containing a second liquid crystal material that reflects light of a second color and a third liquid crystal material that reflects light of a third color, the second and third liquid crystal materials positioned to be distinct from each other, and a light absorption layer that is bonded to a lower surface of the second liquid crystal panel, wherein the second liquid crystal panel is bonded to a lower surface of the first liquid crystal panel, and the first to third liquid crystal materials reflect light in a planar state and transmit light in a focal conic state.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: March 31, 2015
    Assignee: Intellectual Discovery Co., Ltd.
    Inventors: Hyun Ha Hwang, Seung Gon Kang, Heon Kyu Kim
  • Patent number: 8988618
    Abstract: The present invention discloses a stereoscopic display, which includes a phase retarder a display panel, and board-like structures. The phase retarder has a plurality of first strip shapes and a plurality of second strip shapes. The first strip shapes and the second strip shapes are alternately arranged. The display panel has a plurality of pixels. The pixels are arranged into a plurality of pixel rows corresponding to the first strip shapes and the second strip shapes. The board-like structures are disposed in the liquid-crystal layer of the display panel. The pixel rows are respectively separated from each other by the board-like structures, thereby reducing a crosstalk phenomenon.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: March 24, 2015
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Chia-Yu Lee
  • Publication number: 20150077694
    Abstract: Provided is a liquid crystal display panel in which both the prevention of low-temperature bubble defects and the prevention of unevenness in brightness by pressure can be achieved without the need of forming multiple types of spacers differing in the height. In a liquid crystal display panel comprising a plurality of spacers 14 arranged between a pair of transparent substrates 11 and 12 and a liquid crystal 13 encapsulated between the transparent substrates, the spacers 14 are of a uniform height and each spacer 14 is substantially in a trapezoidal shape in which the ratio between the top area and the bottom area is 0.3 or less. The spacers 14 are formed on one of the transparent substrates 11 and 12. The spacers 14 are arranged at appropriate density so that the contact area ratio of the spacers' top surfaces in contact with the opposing substrate per unit area is within a range of 0.8%-1.0%.
    Type: Application
    Filed: September 17, 2014
    Publication date: March 19, 2015
    Inventors: Toshimasa ISHIGAKI, Daisuke SONODA, Miharu OTANI, Tsutomu ISHIBASHI
  • Publication number: 20150077687
    Abstract: A liquid crystal display device includes a first substrate, a second substrate opposite the first substrate, a fence structure, a plurality of cholesteric liquid crystals having mutually different color, and a medium layer. The fence structure is disposed between the first substrate and the second substrate to divide a space between the first substrate and the second substrate into different sub-pixel channels. The cholesteric liquid crystals are disposed into the sub-pixel channels to form different liquid crystal cells having mutually different colors. The medium layer is disposed in at least one of the sub-pixel channels to allow the liquid crystal cells to have mutually different cell gaps.
    Type: Application
    Filed: September 12, 2014
    Publication date: March 19, 2015
    Inventors: Hsien-Wei CHIANG, Guan-Ren WANG, Kuan-Hsien WU
  • Patent number: 8982311
    Abstract: A pixel electrode is formed on a TFT substrate, and a gate insulating film, an inorganic passivation film, a common electrode, and an alignment film are formed in this order thereover. A columnar spacer is formed to the counter substrate and is adapted to define a gap between the TFT substrate and the counter substrate. A through hole is formed in the gate insulating film of the TFT substrate, and the columnar spacer is disposed so as to cover a concave portion formed by the through hole. Since the area of contact between the columnar spacer and the TFT substrate is decreased, it is possible to suppress scraping of the alignment film and thus to prevent occurrence of bright spots.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: March 17, 2015
    Assignee: Japan Display East Inc.
    Inventor: Takahiro Nagami
  • Patent number: 8976330
    Abstract: The present disclosure provides a transparent liquid crystal display panel and a transparent liquid crystal display. The transparent liquid crystal display panel includes a backlight module, a color filter substrate and a TFT array substrate which are cell-assembled. Liquid crystal is filled between the color filter substrate and the TFT array substrate. Each pixel unit of the color filter substrate includes a sub-pixel unit and a transparent pixel unit. A region on the TFT array substrate that corresponds to the transparent pixel unit is transparent. A region between the color filter substrate and the TFT array substrate that corresponds to the transparent pixel unit is provided with a transparent resin spacer. A region in the backlight module that corresponds to the transparent pixel unit is a transparent region.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: March 10, 2015
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Jaegeon You, Xin Gu
  • Patent number: 8964160
    Abstract: A substrate assembly including a first substrate, a second substrate, a sealant, and a blocking structure is provided. The first substrate has an active area. The sealant is disposed between the first substrate and the second substrate. The sealant assembles the first substrate and the second substrate and separates the first substrate and the second substrate in a cell gap to define a space, wherein the sealant has an injection opening. The blocking structure is disposed on the first substrate and located outside the active area. A distance from the blocking structure to the second substrate is smaller than the cell gap, wherein the blocking structure divides the space into a first area and a second area. The injection opening is merely located inside the first area and the active area is merely located inside the second area.
    Type: Grant
    Filed: July 21, 2011
    Date of Patent: February 24, 2015
    Assignees: Dongguan Masstop Liquid Crystal Display Co., Ltd., Wintek Corporation
    Inventors: Po-Hsien Wang, Chih-Chiang Cheng
  • Patent number: 8964154
    Abstract: A liquid crystal display device using a wall electrode facilitates enclosing of liquid crystal and improves transmittance. The liquid crystal display device includes a plurality of pixels arranged in a matrix. Each of the pixels includes large walls, a small wall, a TFT-side electrode, and a wall electrode. The large walls extend in a long-side direction of the pixel at both ends of the pixel. The small wall extends parallel to the large walls between the large walls. The TFT-side electrode is formed on the small wall. The wall electrode is formed on a side surface of the large wall and formed between the large wall and the small wall. The large walls are separated between the pixels in the long-side direction. The small wall which has a height lower than the large walls is arranged between the separated large walls.
    Type: Grant
    Filed: January 4, 2013
    Date of Patent: February 24, 2015
    Assignee: Japan Display Inc.
    Inventors: Takato Hiratsuka, Osamu Itou
  • Patent number: 8928596
    Abstract: A display panel includes: a first substrate section formed on the front side of the display panel; a second substrate section which is opposed to the first substrate section; a plurality of pixel sections formed in a matrix form between the first and second substrate sections; and a plurality of sensor sections, each of the sensor sections having two electrodes, one electrode disposed with a electrode-to-electrode gap from the other between the first and second substrate sections, the electrode-to-electrode gap being removed as a result of the deformation of the first substrate section under pressure so that the one electrode is brought into contact with the other electrode, the sensor sections being provided between the first and second substrate sections with one of a plurality of electrode-to-electrode gap lengths respectively.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: January 6, 2015
    Assignee: Japan Display West Inc.
    Inventors: Shuji Hayashi, Tsutomu Tanaka, Takeo Koito, Hiroshi Muzuhashi, Yuko Yamauchi
  • Patent number: 8928846
    Abstract: An object is to provide a liquid crystal display device a driving voltage of which is reduced, which is formed using a liquid crystal material exhibiting a blue phase, and which enables higher contrast. In a liquid crystal display device including a liquid crystal layer exhibiting a blue phase, a first wall-like structure body is formed over a first electrode layer (pixel electrode layer), a second wall-like structure body is provided over a second electrode layer (common electrode layer), and a dielectric film covers them. The dielectric film is an insulator having a higher dielectric constant than the first wall-like structure body, the second wall-like structure body, and a liquid crystal material used for the liquid crystal layer, and is provided so as to protrude in the liquid crystal layer.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: January 6, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Daisuke Kubota, Akio Yamashita, Tetsuji Ishitani
  • Patent number: 8922744
    Abstract: In the disclosed liquid crystal display device, electrode portions are formed in sealing member regions on a first substrate and a second substrate, respectively, so that the electrode portions are electrically connected to each other through a conductive material in a sealing member. A control structure for controlling a flow of an alignment film material before curing is provided at least between the electrode portion and a pixel region on at least one of the first substrate or the second substrate so that at least part of the electrode portion is exposed from an alignment film.
    Type: Grant
    Filed: November 10, 2010
    Date of Patent: December 30, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Hiroyuki Moriwaki