Insulating Layer Patents (Class 349/138)
  • Patent number: 10802355
    Abstract: A liquid crystal display device includes: first and second substrates facing and spaced apart from each other, the first and second substrates having a pixel region; a gate line and a data line on an inner surface of the first substrate, the gate line and the data line crossing each other adjacent to the pixel region; a thin film transistor connected to the gate line and the data line in the pixel region; a first electrode of a plate shape over the thin film transistor; a second electrode of a bar shape over the first electrode; and a liquid crystal layer between the first and second substrates.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: October 13, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Won-Taeck Kim, You-Hyun Eom, So-Hyeong Ahn, Song-Yi Jeong
  • Patent number: 10768486
    Abstract: A display device including a first substrate including pixel electrodes arranged in first and second directions, each pixel electrode including a unit pixel electrode, a second substrate including a common electrode on which an opening pattern is formed, and a liquid crystal layer disposed between the first substrate and the second substrate. The unit pixel electrode includes a central electrode portion including diagonal sides, connection sides, a cross slit extending in the first and second directions, and central branch slits extending from the cross slit, and a branch electrode portion including branch electrodes protruding from each of the diagonal sides, in which the connection sides includes first and second connection sides extending in the first and second directions, and the central electrode portion has first outer areas adjacent to the first connection sides and on which first control slits extending in the first direction are respectively formed.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: September 8, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sehyun Lee, Haksun Chang, Cheol Shin, Seungmin Lee, Byoungsun Na, Kiwon Park
  • Patent number: 10761384
    Abstract: On the first side substrate of an electro-optical device, a first maintenance capacitance is formed by a first capacitance electrode, a first dielectric layer, and a second capacitance electrode overlapped with each other on a bottom and an inner walls of a first recess section formed in an inter-layer insulation film. The inter-layer insulation film needs to be thick and thus an inter-layer insulation film needs to be thin. A first capacitance line is formed on a surface of the inter-layer insulation film on the side of a pixel electrode. Thus, the first capacitance line shields a section between a gate electrode and the second capacitance electrode to which a drain potential is applied.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: September 1, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Shotaro Izawa, Satoshi Ito
  • Patent number: 10761385
    Abstract: A liquid crystal on silicon (LCOS) panel comprises: a silicon substrate having silicon circuit within the silicon substrate; a plurality of metal electrodes disposed on the silicon substrate, where the plurality of metal electrodes are periodically formed on the silicon substrate; a dielectric material disposed in and filling gaps between adjacent metal electrodes; and an oxide layer disposed on the plurality of metal electrodes and the dielectric material in the gaps between adjacent metal electrodes; where the refractive index of the dielectric material is higher than the refractive index of the oxide layer.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: September 1, 2020
    Assignee: OmniVision Technologies, Inc.
    Inventors: Ming Zhang, Libo Weng, Cheng Zhao, Yin Qian, Chia-Chun Miao, Zhiqiang Lin, Dyson H. Tai
  • Patent number: 10732464
    Abstract: The present invention further improves the reliability of a spacer in comparison to conventional ones. A light control film 10 which is obtained by sandwiching a liquid crystal layer 14 between first and second laminates 13, 12 that are provided with at least alignment layers 23A, 23B, and which controls light transmitted therethrough by controlling the alignment of liquid crystal molecules 14A in the liquid crystal layer 14 by driving electrodes 22B, 22A that are provided on the first and second laminates 13, 12. With respect to the first laminate 13, a base 21B that is formed of a transparent film material is provided with a spacer 24 that maintains the thickness of the liquid crystal layer 14. With respect to the first and second laminates 13, 12, the Vickers hardness Xs of the spacer 24 is from 16.9 to 40.2 (inclusive), and the Vickers hardness Xf of a part of the second laminate 12, said part being in contact with the front end of the spacer 24, is from 11.8 to 35.9 (inclusive).
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: August 4, 2020
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Keisuke Miura, Yusuke Hagiwara, Tsubasa Honda, Noriko Katashima, Norio Ishii, Tomoya Kawashima
  • Patent number: 10727032
    Abstract: A sputtering target that includes at least two consolidated blocks, each block including an alloy including molybdenum in an amount greater than about 30 percent by weight and at least one additional alloying ingredient; and a joint between the at least two consolidated blocks, the joint being free of any microstructure due to an added bonding agent (e.g., powder, foil or otherwise), and being essentially free of any visible joint line the target that is greater than about 200 ?m width (e.g., less than about 50 ?m width). A process for making the target includes hot isostatically pressing, below a temperature of 1080° C., consolidated perform blocks that may be surface prepared (e.g., roughened to a predetermined roughness value) prior to pressing.
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: July 28, 2020
    Assignee: H.C. STARCK INC.
    Inventors: Gary Alan Rozak, Mark E. Gaydos
  • Patent number: 10718977
    Abstract: A liquid crystal display according to an exemplary embodiment of the present system and method includes a first insulation substrate, a thin film transistor disposed on the first insulation substrate, a pixel electrode connected to the thin film transistor, a protrusion disposed on the pixel electrode, a second insulation substrate facing the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the pixel electrode and the common electrode, wherein one pixel includes a thin film transistor formation region where the thin film transistor is disposed and a display area where the pixel electrode is disposed, and the protrusion is disposed to overlay at least a portion of edges of the display area.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: July 21, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Youn Hak Jeong, Wan Namgung, Hong Min Yoon, Ho Jun Lee, Pil Gyu Kang, Seung Kyu Lee, Yun Seok Lee
  • Patent number: 10707283
    Abstract: An organic EL display panel in which pixels are arranged in a matrix, including: light-emitting layers disposed above pixel electrode layers in intervals between adjacent ones of column banks; an opposing electrode layer disposed above the light-emitting layers, the opposing electrode layer including a light-transmissive material; column light-shielding layers disposed higher than the pixel electrode layers, extending in the column direction, arranged side-by-side in the row direction, and overlapping row-direction edge portions of the pixel electrode layers in plan view of a substrate; and row light-shielding layers disposed higher than the pixel electrode layers, extending in the row direction, arranged side-by-side in the column direction, overlapping column-direction edge portions of the pixel electrode layers and partially overlapping contact regions in plan view of the substrate.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: July 7, 2020
    Assignee: JOLED INC.
    Inventor: Tetsuro Kondo
  • Patent number: 10680204
    Abstract: Disclosed are an encapsulation structure, a substrate and a display panel. The package structure includes an encapsulation layer and a transition layer, wherein the encapsulation layer includes a first encapsulation layer and a second encapsulation layer which are laminated with each other, the first encapsulation layer is located on a first main surface of the second encapsulation layer, the transition layer and the first encapsulation layer are juxtaposed on the first main surface, the first main surface includes a first region in contact with the first encapsulation layer and a second region in contact with the transition layer, the second region is located at an edge of the first main surface, and a bonding strength between the transition layer and the second encapsulation layer is greater than a bonding strength between the first encapsulation laver and the second encapsulation layer.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: June 9, 2020
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zi Qiao, Zhiliang Jiang
  • Patent number: 10670900
    Abstract: A liquid-crystal display device includes: a substrate on which a plurality of pixels is defined, wherein each of the pixels includes an active area where transmittance of light is controlled; an organic layer disposed on the substrate; and a pixel electrode disposed on the organic layer. The active area comprises a first area, a second area and a third area, the second and third areas are connected to the first area on both sides thereof, respectively, when viewed from a top, and the organic layer is disposed only in the first area.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: June 2, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won Jun Lee, Doo Hwan You, Young Goo Song, Youn Hak Jeong
  • Patent number: 10672856
    Abstract: A display device including a substrate, a display region, a periphery region outside of the display region, a terminal part arranged with a plurality of terminal electrodes in the periphery region, a wiring arranged between the display region and the terminal part, a plurality of inorganic insulation layers, and an organic insulation film arranged between the display region and the terminal part. At least one of the plurality of inorganic insulation layer extends between the display region and the terminal part and includes an opening part between the display region and the terminal part, the organic insulation film is arranged overlapping the opening part, the organic insulation film has a larger film thickness at a center part than an end part of the opening part, and the wiring is arranged along an upper surface of the organic insulation film.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: June 2, 2020
    Assignee: Japan Display Inc.
    Inventor: Masato Hiramatsu
  • Patent number: 10644094
    Abstract: A display device includes a display region, a peripheral region around the display region, a substrate having flexibility, a terminal group in the peripheral region, a plurality of connection wirings connected to the terminal group, extending from the terminal group in a first direction and arranged in a second direction intersecting the first direction, an inorganic insulating film in the peripheral region, and an organic insulating film in the peripheral region. The peripheral region has a peripheral region (first peripheral region) curved in a thickness direction of the substrate. The first peripheral region includes a region (first region) that overlaps each of the plurality of connection wirings and a region (second region) that does not overlap the plurality of connection wirings. The first region and the second region are arranged in the second direction.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: May 5, 2020
    Assignee: Japan Display Inc.
    Inventor: Hirohisa Miki
  • Patent number: 10634942
    Abstract: An electro-optical device includes a pixel electrode, a light shielding, a first insulator, a second insulator provided to be in contact with the first insulator on an opening region, a base member including a concave portion disposed to an outside of the second insulator and overlapped with the second insulator, and a lens member provided on the base member to cover the concave portion, and having the refractive index higher than that of the base member, in which the second insulator functions as a waveguide which reflects incident light at an interface between the second insulator and the first insulator, and propagates the incident light inside the second insulator, and the lens member refracts the incident light incident on the lens member from the second insulator or the incident light incident on the second insulator from the lens member at an interface with the concave portion.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: April 28, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Satoshi Ito, Daisuke Sawaki
  • Patent number: 10629832
    Abstract: A display device includes a substrate, a semiconductor layer disposed on the substrate, a first insulating layer disposed on the semiconductor layer, a first conductive layer disposed on the first insulating layer and electrically connected to the semiconductor layer via a first contact hole, which is defined through the first insulating layer, a second insulating layer disposed on the first conductive layer, and a second conductive layer disposed on the second insulating layer and electrically connected to the first conductive layer via a second contact hole, which is defined through the second insulating layer, where the first and second contact holes overlap each other, and a residual layer, which includes a portion of the second insulating layer, is disposed in the first contact hole.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: April 21, 2020
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Jun Hong Park, Jung Soo Lee, Gwang Min Cha, Jeong Min Park
  • Patent number: 10585318
    Abstract: A display device includes: a display panel including a first substrate and a second substrate facing each other and a liquid crystal layer; and a driving unit on a side of the display panel. The driving unit includes: a first wiring on the first substrate; a first passivation layer on the first wiring, the first passivation layer having first contact holes; a second wiring on the first passivation layer, the second wiring connected to the first wiring through the first contact hole; a second passivation layer on the second wiring, the second passivation layer having second contact holes; a third wiring on the second passivation layer, the third wiring connected to the second wiring through the second contact hole; and a driving integrated circuit (“IC”) on the third wiring.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: March 10, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bonyong Koo, Dongwon Woo
  • Patent number: 10578911
    Abstract: A display device includes a first substrate, thin film transistors, a color filter layer, a light blocking pattern, a second substrate, pixel electrodes, and, a plurality of first spacers. The first substrate includes a display area having a plurality of pixel areas and a non-display area surrounding at least part of the display area, the display area including an interior area and at least one peripheral area disposed exteriorly of the interior area. The second substrate defines with the first substrate a space to contain light transmittance material. The plurality of first spacers is disposed in the light transmittance space between the first and second substrates and only in the interior area of the display area.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: March 3, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeun Tae Kim, Min Wook Park, Sang Il Park, Ji Won Sohn, Jun Bo Sim
  • Patent number: 10566405
    Abstract: According to one embodiment, a display device includes a display panel including a first insulating substrate, a first electrode disposed above the first insulating substrate, an IC chip electrically connected to the first electrode, a first terminal electrically connected to the IC chip, and a wiring substrate including a base including a first surface and a second surface on a side opposite to the first surface, a second terminal which is disposed on the first surface and is electrically connected to the first terminal, and an electromagnetic shielding layer which is disposed on the second surface and covers at least a part of the IC chip.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: February 18, 2020
    Assignee: Japan Display Inc.
    Inventors: Shinichi Aota, Hidenori Kidani
  • Patent number: 10551696
    Abstract: The present disclosure relates to a metal electrode, an array substrate and a method of producing the same, and a display device. In an embodiment, the method includes: forming a protection layer on a metal layer; patterning the protection layer to form a protection pattern, a profile of the protection pattern being the same as a profile of a predetermined pattern of the metal electrode; and etching a part of the metal layer not covered by the protection pattern to form the metal electrode, the metal electrode being covered by the protection pattern, wherein an etching anisotropy of the protection layer is larger than an etching anisotropy of the metal layer.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: February 4, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Xiaolong Li, Xiaoxiang Zhang, Huibin Guo, Mingxuan Liu, Wenqing Xu, Zumou Wu, Yongzhi Song
  • Patent number: 10545364
    Abstract: A matrix circuit substrate, having a substrate body, having a first surface and a second surface which are opposite each other, and at least one sidewall located between the first surface and the second surface, the sidewall having at least one recess; multiple electrodes, disposed in a crisscross arrangement on the first surface; and at least one first conductive material, disposed in the recess to correspond to at least one of the electrodes, and electrically connected to the electrode. Additionally, a display apparatus having such substrate, and to a method for manufacturing such substrate.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: January 28, 2020
    Assignees: GIO OPTOELECTRONICS CORP., BARCO N.V., BARCO CONTROL ROOMS GMBH
    Inventors: Yuan-Liang Wu, Peter Gerets, Sven Schule
  • Patent number: 10539845
    Abstract: An object is to reduce parasitic capacitance of a signal line included in a liquid crystal display device. A transistor including an oxide semiconductor layer is used as a transistor provided in each pixel. Note that the oxide semiconductor layer is an oxide semiconductor layer which is highly purified by thoroughly removing impurities (hydrogen, water, or the like) which become electron suppliers (donors). Thus, the amount of leakage current (off-state current) can be reduced when the transistor is off. Therefore, a voltage applied to a liquid crystal element can be held without providing a capacitor in each pixel. In addition, a capacitor wiring extending to a pixel portion of the liquid crystal display device can be eliminated. Therefore, parasitic capacitance in a region where the signal line and the capacitor wiring intersect with each other can be eliminated.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: January 21, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Toshikazu Kondo, Jun Koyama, Shunpei Yamazaki
  • Patent number: 10497725
    Abstract: A method includes a conductive film forming process of forming a conductive film 51 covering a gate insulation film IS and a semiconductor film 42, the gate insulation film 45 covering a gate electrode 37G and a gate line 35G formed on a glass substrate 32 and the semiconductor film 42 formed on the gate insulation film 45 while overlapping the gate electrode 37G, a first etching process of etching the conductive film 51 and forming a source conductive film 46S connected to the semiconductor film 42 and a drain conductive film 46D connected to the semiconductor film 42, a resist forming process performed after the first etching process and forming a resist 53R covering the semiconductor film 42, the source conductive film 46S, and the drain conductive film 46D, and a second etching process performed after the resist forming process and performing etching for removing the conductive film 51 while using the resist 53R as a mask.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: December 3, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takao Saitoh, Yohsuke Kanzaki, Kazuatsu Ito, Seiji Kaneko
  • Patent number: 10466552
    Abstract: An array substrate, a display device, and a method for manufacturing the array substrate are disclosed. The array substrate includes a base substrate and a pixel array structure disposed on the base substrate, the pixel array structure includes at least one light shielding layer made of a light shielding material, and the light shielding material can prevent light leakage or light reflection, thereby increasing an opening ratio of the display device.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: November 5, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Shoukun Wang, Huibin Guo, Yuchun Feng, Liangliang Li, Zheng Liu
  • Patent number: 10451940
    Abstract: A display device including a substrate having a display area to display an image and a non-display area, at least one pixel provided on the substrate, a first insulating layer provided on the substrate, and including a first opening at a area adjacent to the display area, a second insulating layer provided on the first insulating layer, and including a second opening at the area adjacent to the display area, and an encapsulation layer covering the first opening, the second opening, and a portion of the non-display area. The pixel includes a first electrode provided on the first insulating layer, and a second electrode provided on the second insulating layer. At least one of the first electrode and the second electrode includes a metal layer. At least one of sides of the first opening includes a plurality of slopes having different inclinations.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: October 22, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Ryuk Park, Jin Wook Seo, Sung Young Shin
  • Patent number: 10451939
    Abstract: The present application discloses an array substrate. The array substrate includes a liquid crystal capacitor; and a storage capacitor having a first electrode, a second electrode, and an electrolyte layer sandwiched by the first electrode and the second electrode. The storage capacitor is an electrochemical capacitor coupled in parallel with the liquid crystal capacitor.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: October 22, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dacheng Zhang, Wenchu Dong
  • Patent number: 10431605
    Abstract: A thin film transistor array panel according to an exemplary embodiment of the invention includes: an insulating substrate; a gate line disposed on the insulating substrate and including a gate pad portion; a data line insulated from and crossing the gate line, and including a source electrode and a data pad portion; a drain electrode facing the source electrode; an organic insulating layer disposed on the data line and the drain electrode, and including a first contact hole; a common electrode disposed on the organic insulating layer, and including a second contact hole; a passivation layer disposed on the common electrode, and including a third contact hole; and a pixel electrode disposed on the passivation layer, and being in contact with the drain electrode, in which the third contact hole is disposed to be adjacent to one surface of the first contact hole for improvement of an aperture ratio and a stable electrode connection.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: October 1, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Hyun Park, Jun Ho Song, Jean Ho Song, Jae Hak Lee
  • Patent number: 10416503
    Abstract: A blue phase liquid crystal display module and device, and a method for manufacturing the same are disclosed. The module includes an upper substrate, a lower substrate disposed oppositely, multiple blue phase liquid crystal molecules disposed between the upper substrate and the lower substrate, multiple upper common electrodes disposed in parallel and spaced at intervals on the upper substrate, multiple lower common electrodes disposed in parallel and spaced at intervals on the lower substrate, wherein the lower common electrodes are staggered with the upper common electrodes, and a pixel electrode disposed on the lower substrate, wherein, the pixel electrode is a hollow concave-convex structure, the pixel electrode has alternating projections and depressions such that multiple oblique electric fields are generated among the pixel electrode, the upper common electrodes and the lower common electrodes in order to drive the blue phase liquid crystal molecules.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: September 17, 2019
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd
    Inventors: Yuejun Tang, Hongqing Cui, De-Jiun Li, Haiyan Sun, Dandan Liu
  • Patent number: 10409411
    Abstract: Disclosed are a display device with integrated touch screen, in which a touch sensing layer is provided on an encapsulation layer without forming a separate insulation layer, and thus, an increase in thickness caused by the touch sensing layer is minimized. The display device with integrated touch screen includes a plurality of first touch electrodes and a plurality of second touch electrodes disposed on a substrate, a black matrix disposed on the plurality of first touch electrodes and the plurality of second touch electrodes, and a plurality of bridge electrodes on the black matrix, the plurality of bridge electrodes disposed to electrically connect the plurality of first touch electrodes. The plurality of bridge electrodes are connected to the plurality of first touch electrodes through a plurality of contact holes passing through the black matrix, respectively.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: September 10, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: JoonYoung Heo, Yeonsuk Kang
  • Patent number: 10396141
    Abstract: According to one embodiment, a display device comprises a flexible substrate, a first insulating film disposed on the flexible substrate, a switching element disposed on the first insulating film, a signal wiring electrically connected with the switching element, a first organic film disposed on the signal wiring, a connection wiring disposed on the first organic film, a second organic film disposed on the connection wiring and a pad electrode disposed on the second organic film. The connection wiring is located between the first organic film and the second organic film and is in contact with the first organic film and the second organic film.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: August 27, 2019
    Assignee: Japan Display Inc.
    Inventor: Yasushi Kawata
  • Patent number: 10388677
    Abstract: A display panel is provided. The display panel includes a substrate, active switches disposed on the substrate; the active switches are disposed with metallic wires and the active switches are connected with the metallic wires. The metallic wires are disposed with a blocker; the blocker is configured to block particles from dropping on the metallic wires in the process of manufacturing display panels.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: August 20, 2019
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Chung-Kuang Chien
  • Patent number: 10365524
    Abstract: A liquid crystal display in which the common voltage line is disposed directly on or directly under the common electrode directly contacts the common electrode such that a signal delay of the common voltage line may be reduced and simultaneously a reduction in the aperture ratio of the liquid crystal display may be prevented.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: July 30, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Hoon Kim, Joo Seok Yeom, Kyu Wan Ryu, Jeong Soo Choi
  • Patent number: 10355238
    Abstract: A display device includes: a resin layer on the circuit layer including a groove surrounding and separating a display area; light-emitting elements on an upper surface of the resin layer so as to emit light with luminances controlled by the currents; a sealing layer covering the light-emitting elements; a second substrate above the sealing layer; a sealing material provided between the sealing layer and the second substrate so as to surround the display area and the groove; and a filling layer surrounded by the sealing material between the sealing layer and the second substrate. The groove is formed along a line describing a shape that is inscribed in a rectangle and not in contact with corners of the rectangle as viewed in a direction vertical to the upper surface of the resin layer.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: July 16, 2019
    Assignee: Japan Display Inc.
    Inventors: Takayasu Suzuki, Toshihiro Sato
  • Patent number: 10319742
    Abstract: The disclosure relates to an array substrate, a display panel, a display device, and methods of manufacturing them. The array substrate includes: a base substrate, a first electrode, a first insulating layer, and a second electrode, the second electrode having a plurality of second electrode portions spaced apart from one another, the first electrode having overlapped portions that overlap the plurality of second electrode portions, the first electrode is one of a common electrode and a pixel electrode and the second electrode is the other; at least one of the second electrode and the overlapped portions has a recess recessing towards the base substrate and an area of an opening of the recess is larger than an area of a bottom of the recess.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: June 11, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Xuebing Jiang, Hui Wang, Jing Sun
  • Patent number: 10310309
    Abstract: To improve the display quality of a display device, the display device includes a display section and a frame section surrounding a periphery of the display section. A substrate in the display device includes a conductor pattern constituting a circuit section and an insulating film serving as an organic film covering the conductor pattern. The insulating film extends to a peripheral edge of the substrate. A slit, which penetrates the insulating film in a thickness direction, is formed in a corner part of the insulating film. The slit is formed at a position not overlapping the circuit section.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: June 4, 2019
    Assignee: Japan Display Inc.
    Inventors: Koichi Igeta, Hirotaka Imayama
  • Patent number: 10310650
    Abstract: Disclosed are a display device with integrated touch screen, in which a touch sensing layer is provided on an encapsulation layer without forming a separate insulation layer, and thus, an increase in thickness caused by the touch sensing layer is minimized. The display device with integrated touch screen includes a plurality of first touch electrodes and a plurality of second touch electrodes disposed on a substrate, a black matrix disposed on the plurality of first touch electrodes and the plurality of second touch electrodes, and a plurality of bridge electrodes on the black matrix, the plurality of bridge electrodes disposed to electrically connect the plurality of first touch electrodes. The plurality of bridge electrodes are connected to the plurality of first touch electrodes through a plurality of contact holes passing through the black matrix, respectively.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: June 4, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: JoonYoung Heo, Yeonsuk Kang
  • Patent number: 10303023
    Abstract: In a liquid crystal display device, an upper electrode and a drain electrode are reliably connected to each other electrically, with preventing or suppressing an occurrence of an aperture ratio loss, or sufficiently reducing a parasitic capacitance between the scanning line and the lower electrode. An interlayer resin film is formed on a drain electrode, with a hole being formed on the interlayer resin film, and on the drain electrode exposed to a bottom portion of the hole, an island-shaped electrode is formed separately from a lower electrode. Moreover, on the island-shaped electrode, an inter-electrode insulating film is formed, a contact hole is formed in the inter-electrode insulating film, and an upper electrode is formed on the island-shaped electrode exposed to a bottom portion of the contact hole.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: May 28, 2019
    Assignee: Japan Display Inc.
    Inventors: Shumpei Takeuchi, Akio Ota
  • Patent number: 10297771
    Abstract: A display apparatus may include a substrate having a first bending area between a first area and a second area, the first bending area to be bent with a first bending axis that extends along a first direction, as a center; a first inorganic insulating layer on the substrate and having a first opening corresponding to the first bending area; a first organic material layer filling at least a portion of the first opening; and a first conductive layer that extends from the first area to the second area through the first bending area and is on the first organic material layer. The first organic material layer may have a concavo-convex surface at least in a portion of an upper surface thereof. At least a portion of the first conductive layer may extend along a third direction forming an angle of about 0° to about 90° with the first direction.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: May 21, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yoonsun Choi, Wonsuk Choi, Cheolsu Kim, Sangjo Lee
  • Patent number: 10288942
    Abstract: The invention prevents the display unevenness of a high-resolution liquid crystal display device that results from the presence of regions where an alignment film is not applied. The invention provides a liquid crystal display device including: a TFT substrate having scan lines, video signal lines, and pixels formed by the intersecting scan lines and video signal lines; a counter substrate; and a liquid crystal layer placed between the TFT substrate and the counter substrate. Each of the pixels includes a TFT, a pixel electrode, a common electrode, and a through-hole and an opening that are used to connect the TFT and the pixel electrode. Connective ITO is formed in and around the through-hole at the same time as the common electrode is formed. A step d is formed at an edge portion of the connective ITO and covered with an alignment film.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: May 14, 2019
    Assignee: Japan Display Inc.
    Inventor: Motoharu Miyamoto
  • Patent number: 10274794
    Abstract: A blue-phase liquid crystal display panel includes a first substrate and a second substrate parallel to the first substrate. The first substrate is spaced apart from the second substrate. The first substrate includes a first base and a first electrode layer and a second electrode layer arranged close to one side of the second substrate. A first space is arranged between the first electrode layer and the second electrode layer, and a second space is arranged between the second electrode layer and the second substrate, and a channel is configured between the first space and the second space. The first electrode layer cooperatively operates with the second electrode layer to form an electrical field within the first space and a weight of the electrical field is parallel to the first substrate or the second substrate. In addition, a manufacturing method of the blue-phase liquid crystal display panel is disclosed.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: April 30, 2019
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd
    Inventor: Yuejun Tang
  • Patent number: 10261354
    Abstract: A liquid crystal display device includes an annular seal located between a first substrate and a second substrate, and a liquid crystal layer sealed in a space surrounded by the first substrate, the second substrate, and the annular seal. The first substrate includes a first metal layer, a first insulating layer covering the first metal layer, a second metal layer formed on the first insulating layer, a second insulating layer covering the second metal layer, a third metal layer formed on the second insulating layer, a third insulating layer covering the third metal layer, an alignment layer arranged on the third insulating layer, and a display region where a plurality of pixels are formed. At least one recessed groove is formed in the third insulating layer and is located at a region between the display region and the annular seal.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: April 16, 2019
    Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventor: Hiroaki Iwato
  • Patent number: 10254600
    Abstract: The present invention realizes a bright image display by enhancing a numerical aperture of pixels. At least a portion of a pixel electrode is overlapped to a thin film transistor by way of a first insulation film, the pixel electrode is connected to an output electrode of the thin film transistor via a contact hole which is formed in the first insulation film, the counter electrode is arranged above the pixel electrode by way of a second insulation film in a state that the counter electrode is overlapped to the pixel electrode, the counter electrode is formed at a position avoiding the contact hole formed in the first insulation film as viewed in a plan view, and at least a portion of the counter electrode is overlapped to the thin film transistor.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: April 9, 2019
    Assignees: JAPAN DISPLAY INC., PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventors: Takahiro Ochiai, Tohru Sasaki, Hirotaka Imayama, Masateru Morimoto
  • Patent number: 10254589
    Abstract: A display device and a method of manufacturing the same are disclosed. The display device comprises a thin film transistor on a substrate, a protective film on the thin film transistor, and an alignment film on the protective film. The protective film includes one or more protective films, and a protective film adjacent to the alignment film among the one or more protective films has a silicon content higher than a nitrogen content. Thus, it is possible to provide a display device capable of reducing image sticking or flicker.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: April 9, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: HaJoong Lee, Kyungmin Yeo
  • Patent number: 10247990
    Abstract: In a liquid crystal display device, a common electrode is formed on an organic passivation film, an interlayer insulating film is formed on the common electrode, a pixel electrode with a slit is formed on the interlayer insulating film, and a through hole is formed in the organic passivation film and the interlayer insulating film, so that the pixel electrode is connected to a source electrode of a TFT through the through hole. Further, the taper angle around the upper base of the through hole is smaller than the taper angle around the lower base. Thus, the alignment film material can easily flow into the through hole when the diameter of the through hole is reduced to connect the pixel and source electrodes, preventing display defects such as uneven brightness due to the absence of the alignment film or due to the alignment film irregularity around the through hole.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: April 2, 2019
    Assignee: Japan Display Inc.
    Inventors: Yasushi Tomioka, Yosuke Hyodo, Hidehiro Sonoda, Noboru Kunimatsu
  • Patent number: 10247973
    Abstract: The disclosure discloses a liquid crystal display, a liquid crystal display panel and a manufacture method thereof. The manufacture method includes producing a first auxiliary base and a second auxiliary base respectively, aligning and assembling the first auxiliary base and the second auxiliary base to form a liquid crystal cell, attaching reinforcement bases on a top surface and a bottom surface of the liquid crystal cell. A total thickness of the first auxiliary base and the second auxiliary base is D, a total thickness of a first standard auxiliary base and a second standard auxiliary of a standard liquid crystal display panel met a minimum structural strength requirement is defined as d, D is less than d. Which can reduce the thickness of the liquid crystal display panel to achieve an ultrathin structure of the liquid crystal display panel.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: April 2, 2019
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd
    Inventor: Yuejun Tang
  • Patent number: 10241372
    Abstract: A liquid crystal display device comprising a TFT substrate having pixels each including a common electrode formed on an organic passivation film, an interlayer insulating film formed so as to cover the common electrode, a pixel electrode having a slit and formed on the interlayer insulating film, a through-hole formed in the organic passivation film and the interlayer insulating film, and a source electrode electrically conducted to the pixel electrode via the through-hole. A taper angle at a depth of D/2 of the through-hole is equal to or more than 50 degrees. The pixel electrode covers part of a side wall of the through-hole but does not cover the remaining part of the side wall of the through-hole. This configuration facilitates the alignment film material to flow into the through-hole, thereby solving a thickness unevenness of the alignment film in vicinity of the through-hole.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: March 26, 2019
    Assignee: Japan Display Inc.
    Inventors: Yasushi Tomioka, Toshimasa Ishigaki, Hidehiro Sonoda, Sumito Ueta
  • Patent number: 10236373
    Abstract: To suppress current leakage in a semiconductor device having a gate insulating film and a gate electrode. A gate electrode is continuously formed in a film via a gate insulating film on the bottom surface of a trench, the side surfaces of a trench, and the top surfaces of a second n-type layer in the vicinity of the side surfaces of the trench. The ends of the bottom surface of the gate electrode are aligned with the ends of the top surface of the gate insulating film, and the ends of the bottom surface of the gate insulating film are formed in contact with the surfaces of the second n-type layer facing the ends of the bottom surface of the gate electrode. The passivation film covers the entire top surface of the device except the contact holes of the gate electrode and the source electrode.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: March 19, 2019
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Junichiro Kurosaki, Tohru Oka, Junya Nishii, Tsutomu Ina
  • Patent number: 10222656
    Abstract: A liquid crystal display device includes a substrate including a display area in which display pixels are arranged in a row direction and a column direction, a first dummy area, which is adjacent to a first side, in the row direction, of the display area, and a second dummy area, which is adjacent to a second side, in the row direction, of the display area, pixel electrodes on the substrate, the pixel electrodes including display pixel electrodes, which are respectively disposed in the display pixels, first dummy pixel electrodes, which are disposed in the first dummy area in the column direction, and second dummy pixel electrodes, which are disposed in the second dummy area in the column direction, and an alignment layer disposed on the pixel electrodes, where an average thickness of the alignment layer is larger in the first and second dummy areas than in the display area.
    Type: Grant
    Filed: August 5, 2016
    Date of Patent: March 5, 2019
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Young Gu Kim, Kyung Ho Park, Su Ji Park, Baek Kyun Jeon, Min Sik Jung
  • Patent number: 10209594
    Abstract: A thin film transistor array substrate, a manufacturing method thereof and a display device are provided, and the thin film transistor array substrate includes: a base substrate, a gate electrode disposed on the base substrate, a gate insulating layer and an active layer which are disposed on the gate electrode sequentially, and a pixel electrode, a common electrode, and a transparent electrode layer which are disposed on the base substrate; the transparent electrode layer and the pixel electrode or the common electrode are prepared in a same layer and by a same material; the transparent electrode layer is disposed under the gate insulating layer; an orthogonal projection of the active layer on the base substrate is located within a region of an orthogonal projection of the transparent electrode layer.
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: February 19, 2019
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventor: Wei Feng
  • Patent number: 10209569
    Abstract: A display panel includes a first substrate, a second substrate, a display medium layer disposed between the first substrate and the second substrate, a first metal layer, a first insulation layer disposed on the first metal layer, a second metal layer, a second insulation layer disposed on the second metal layer, a pixel electrode layer and an intervening layer. The first metal layer is disposed on the first substrate to form a signal wiring and a gate. The second metal layer is disposed on the first insulation layer to form a data wiring, a source and a drain. The intervening layer is a patterned layer and disposed between the second insulation layer and the pixel electrode layer. The pixel electrode layer covers the intervening layer and the second insulation layer, and the perimeter of the intervening layer of a sub-pixel ranges between 500 ?m and 30000 ?m.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: February 19, 2019
    Assignee: INNOLUX CORPORATION
    Inventors: Yu-Sheng Ho, Mao-Shiang Lin, Hsueh-Wen Li, Ying-Jen Chen
  • Patent number: 10204923
    Abstract: The present invention provides a thin-film-transistor (TFT) array panel and manufacturing method of the same. The TFT array panel comprises a flexible baseplate, a buffer layer, and a display-element layer. The buffer layer is disposed on the flexible baseplate, a stress-elimination portion is disposed on the buffer layer, the stress-elimination portion is used to eliminate a stress of the flexible baseplate; the display-element layer is disposed on the buffer layer. The present invention is able to decrease the stress of the flexible baseplate, to prevent too large of a stress of the flexible baseplate.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: February 12, 2019
    Assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd., Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventor: Guoren Hu
  • Patent number: 10197841
    Abstract: A liquid crystal display (LCD) device and a method of manufacturing the same are discussed. The LCD device according to an embodiment includes a first substrate and a second substrate bonded to each other, an inner black matrix and an outer black matrix disposed in the bezel area of the second substrate to be spaced apart from each other, and a liquid crystal layer disposed between the first substrate and the second substrate. A display area and a bezel area surrounding the display area are defined in the first substrate and the second substrate.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: February 5, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventor: MinChul Shin