Insulating Layer Patents (Class 349/138)
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Patent number: 9335594Abstract: A liquid crystal display device includes a first substrate, a second substrate and liquid crystal. The first substrate includes pixel electrodes, a peripheral circuit and a dummy wiring. The peripheral circuit and the dummy wiring are provided outside a pixel area in which the pixel electrodes are arranged. The second substrate is opposed to the first substrate through the liquid crystal. The second substrate includes a translucent conductive film that is provided on an opposite side of the second substrate to a side where the liquid crystal is present. The dummy wiring is located on an outer peripheral side of the substrates than the peripheral circuit and is provided independently of the peripheral circuit in terms of circuit. The dummy wiring is grounded outside the first substrate.Type: GrantFiled: July 30, 2014Date of Patent: May 10, 2016Assignee: Japan Display Inc.Inventors: Yasuo Segawa, Masaaki Aota, Tomohide Onogi, Hiroshi Matsuda
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Patent number: 9329447Abstract: A display panel includes an array substrate, an opposite substrate facing the array substrate, and a liquid crystal layer disposed between the array substrate and the opposite substrate. The array substrate includes a display area and a non-display area surrounding the display area, and the non-display area includes a first non-display area disposed adjacent to a side portion of the display area and a second non-display area other than the first non-display area. The first non-display area overlaps the opposite substrate. The array substrate and the opposite substrate have the same or substantially the same area and a wire member is disposed under the array substrate to be connected to an external circuit module. Accordingly, the display panel does not need an extra space for the wire member, and thus the non-display area is reduced.Type: GrantFiled: March 14, 2013Date of Patent: May 3, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin-Soo Jung, Young Gu Kim, Byoung-Hun Sung, Baekkyun Jeon
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Patent number: 9305985Abstract: An organic light-emitting diode (OLED) display and method of manufacturing the same are disclosed. In one aspect, the OLED display includes a first substrate including a display area, a display unit formed in the display area and including an insulating layer, and a second substrate formed over the display layer. A sealant material is interposed between the first and second substrates and substantially seals the first and second substrates to each other. At least one hole is formed in a first portion of the insulating layer and at least one recess is formed in a second portion of the insulating layer. The sealant is substantially filled in the hole and the recess.Type: GrantFiled: May 19, 2014Date of Patent: April 5, 2016Assignee: Samsung Display Co., Ltd.Inventor: Dae-Won Lee
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Patent number: 9298042Abstract: An object of the present invention is to enhance transmissivity and the luminance of a screen in an IPS liquid crystal display device. To achieve the object, in the IPS liquid crystal display device according to the present invention, a counter electrode is formed flatly and solidly on an organic passivation film, a pixel electrode having a slit is formed on the counter electrode via an interlayer insulation film, and an alignment film the orientation of which is controlled by optical orientation is formed on the pixel electrode. The transmissivity is enhanced by also making the inside of the contact hole function as a transmissible area for image formation by applying optical orientation to the alignment film in the contact hole to result in enhancement of the luminance of the screen.Type: GrantFiled: April 10, 2012Date of Patent: March 29, 2016Assignee: JAPAN DISPLAY INC.Inventors: Yasushi Tomioka, Noboru Kunimatsu, Takeshi Sato, Masaki Matsumori
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Patent number: 9293513Abstract: Failure light emission of an EL element due to failure film formation of an organic EL material in an electrode hole 46 is improved. By forming the organic EL material after embedding an insulator in an electrode hole 46 on a pixel electrode and forming a protective portion 41b, failure film formation in the electrode hole 46 can be prevented. This can prevent concentration of electric current due to a short circuit between a cathode and an anode of the EL element, and can prevent failure light emission of an EL layer.Type: GrantFiled: May 22, 2014Date of Patent: March 22, 2016Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Toshimitsu Konuma, Junya Maruyama
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Patent number: 9288902Abstract: Disclosed herein are a printed circuit board and a method of manufacturing the same. The printed circuit board includes a light-blocking glass substrate; a negative photosensitive insulating layer formed on the glass substrate; and a circuit pattern formed on the glass substrate and embedded in the negative photosensitive insulating layer.Type: GrantFiled: December 4, 2013Date of Patent: March 15, 2016Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Eun Sil Kim, Sung Han Kim, Sa Yong Lee, Jin Ho Hong, Yong Il Kwon, Sang Hyun Shin, Keun Yong Lee
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Patent number: 9274387Abstract: Pixel electrodes each include a pixel plane portion expanded along a surface of the substrate, and a pixel wall portion rising up from the pixel plane portion. Common electrodes each include a common plane portion expanded along a surface of the substrate, and a common wall portion rising up from the common plane portion so as to face the pixel wall portion. Each of the compartment areas has the pixel wall portion on one of right and left sides in the lateral direction, and has the common wall portion on the other of the right and left sides. Molecules of the liquid crystal material are tilted up from the pixel wall portions in a direction of the common wall portion by the electric field. The respective pixel wall portions of the adjacent compartment areas are positioned on opposite sides to each other in the lateral direction.Type: GrantFiled: March 24, 2014Date of Patent: March 1, 2016Assignee: Japan Display Inc.Inventors: Takato Hiratsuka, Osamu Itou, Daisuke Sonoda, Toshimasa Ishigaki
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Patent number: 9274368Abstract: A COA substrate and its fabrication method as well as a display device are disclosed. The method includes steps of: forming a TFT (10) on a base substrate (1); forming a color film layer (6) pattern on the base substrate (1) having the TFT (10) formed thereon; forming a pattern which includes a color film via hole (5) on the color film layer (6) through a patterning process, the patterning process includes an ashing process; and forming a pattern comprising a pixel electrode (7) on the base substrate (1). The pixel electrode (7) is electrically connected to a drain electrode (12) of the TFT (10) by way of the color film via hole (5).Type: GrantFiled: November 27, 2013Date of Patent: March 1, 2016Assignee: BOE TECHNOLOGY GROUP CO., LTDInventor: Guanbao Hui
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Patent number: 9274633Abstract: The present invention provides a liquid crystal display device capable of reducing the number of steps and material costs and a method of producing the liquid crystal display device. A liquid crystal display device (100) of the present invention includes a liquid crystal display panel (105); and a touch panel (106). Out of the liquid crystal display panel (105) and the touch panel (106), one panel serves as a reference for alignment between the liquid crystal display panel (105) and the touch panel (106) and the other panel is aligned with the one panel. The other panel is provided with a second alignment mark that is aligned with a first alignment mark of the one panel. The second alignment mark is constituted by a transparent member.Type: GrantFiled: November 19, 2010Date of Patent: March 1, 2016Assignee: Sharp Kabushiki KaishaInventor: Katsunori Misaki
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Patent number: 9268190Abstract: The disclosure provides a pixel structure, a manufacturing method of a pixel structure, an array substrate, a display panel, and a display device. The pixel structure includes a plurality of data lines and a plurality of scan lines, and a plurality of pixel units formed by intersecting the plurality of data lines with the plurality of scan lines. A pixel unit corresponds to one of the plurality of data lines and one of the plurality of scan lines. The pixel unit includes a pixel electrode and a TFT. The pixel electrode includes a plurality of slits having corners. The pixel electrode of the pixel unit in a row is electrically connected to a TFT of a pixel unit in a preceding adjacent row of the pixel electrode of the pixel unit, and the corner of the pixel electrode close to the TFT extends toward the thin film transistor.Type: GrantFiled: April 21, 2015Date of Patent: February 23, 2016Assignees: Shanghai AVIC Optoelectronics Co., Ltd., Tianma Micro-Electronics Co., Ltd.Inventors: Yao Lin, Dandan Qin, Zhaokeng Cao, Yinghua Mo
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Patent number: 9257674Abstract: An OLED display includes: a substrate; an organic light emitting element formed on the substrate and including a first electrode, an emission layer, and a second electrode; and an encapsulation layer formed on the substrate while covering the organic light emitting element. The encapsulation layer includes an organic layer and an inorganic layer, and a protrusion and depression structure is formed in an interface between the organic layer and the inorganic layer.Type: GrantFiled: November 15, 2011Date of Patent: February 9, 2016Assignee: Samsung Display Co., Ltd.Inventors: So-Young Lee, Yoon-Hyeung Cho, Min-Ho Oh, Byoung-Duk Lee, Yong-Tak Kim, Sang-Hwan Cho, Yun-Ah Chung, Seung-Yong Song, Jong-Hyuk Lee
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Patent number: 9250491Abstract: 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: GrantFiled: October 30, 2014Date of Patent: February 2, 2016Assignee: JAPAN DISPLAY INC.Inventors: Yasushi Tomioka, Yosuke Hyodo, Hidehiro Sonoda, Noboru Kunimatsu
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Patent number: 9252163Abstract: In the present disclosure, it is provided an array substrate including a pad area, signal lines arranged on the substrate, conductive connection lines arranged at least on the pad area and directly connected to a flexible circuit, and conductive connection lines arranged at least on the pad area and directly connected to a flexible circuit. The conductive connection lines may be connected to the signal lines through a via hole, and may include a first wire and a second wire electrically connected to each other. The second wire may be arranged in such a manner that a contact area between the conductive connection lines and the flexible circuit is not less than a predetermined threshold when the flexible circuit is displaced in a first direction relative to the first wire. The first direction may be substantially perpendicular to an extending direction of the first wire.Type: GrantFiled: June 15, 2015Date of Patent: February 2, 2016Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.Inventors: Xingxing Song, Chaohuan Hsu, Zhengwei Chen, Zhenfei Cai
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Patent number: 9245910Abstract: According to one embodiment, provided is an array substrate that can effectively prevent an oxide conductive film and a silicon nitride film on the oxide conductive film from peeling without deteriorating reliability. A method for manufacturing the array substrate includes a surface treatment step and a nitride film forming step. In the surface treatment step, by plasma discharge, the oxide conductive film is cleaned without being reduced, and surface layers of the insulating film layer not covered by the oxide conductive film and portions of the insulating film layer in the regions covered by the oxide conductive film are etched to form recesses leading to portions under the oxide conductive film. In the nitride film forming step, successively from the surface treatment step, the silicon nitride film is formed by plasma CVD so as to cover the recesses and the oxide conductive film.Type: GrantFiled: November 19, 2014Date of Patent: January 26, 2016Assignee: Japan Display Inc.Inventors: Yasunori Fukumoto, Toshihide Jinnai, Koji Sato
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Patent number: 9240422Abstract: A TFT array substrate, a fabrication method thereof and a display device. The TFT array substrate, comprising: gate lines (19), data lines (20) and a plurality of pixel units, each pixel unit comprises: a common electrode line (11), a gate insulating layer (16), a passivation layer (17) and a pixel electrode (12) in this order, wherein a backup common electrode line (41) is disposed at a position between the gate insulating layer (16) and the passivation layer (17) and opposite to the common electrode line (11), the backup common electrode line (41) is electrically insulated from the data line (20). The TFT array substrate with this structure can avoid the short circuit between the pixel electrode (12) and the common electrode line (11).Type: GrantFiled: February 7, 2013Date of Patent: January 19, 2016Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Mi Zhang
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Patent number: 9229283Abstract: A display substrate includes a base substrate, a switching element, a protecting layer, an organic layer, a first pixel electrode and a second pixel electrode. The switching element is on the base substrate, and includes a gate electrode, a source electrode and a drain electrode. The protecting layer is on the switching element, and includes a first hole exposing the drain electrode. The organic layer is on the protecting layer, and includes a second hole which exposes a side surface of the protecting layer which defines the first hole and exposes a top surface of the protecting layer which is adjacent to the side surface of the protecting layer. The first pixel electrode is on the organic layer. The second pixel electrode overlaps the first pixel electrode, and is electrically connected to the drain electrode via the first and second holes.Type: GrantFiled: June 5, 2012Date of Patent: January 5, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yun-Jong Yeo, Yu-Gwang Jeong, Hong-Kee Chin, Sang-Gab Kim, Jeong-Min Park, Ji-Young Park
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Patent number: 9223170Abstract: Disclosed a color filter substrate for a liquid crystal display device performing an ordinary display for a gray scale display and a dynamic display for a bright display, which includes a transparent substrate, a transparent conductive film formed above the transparent substrate, a black matrix formed above the transparent substrate and having pixel regions which are openings partitioned into polygonal pixel shapes respectively having two parallel sides, a first transparent resin layer formed so as to cover portions corresponding to the two parallel sides of the black matrix, a color layer formed above the pixel regions, and a second first transparent resin layer formed above the color layer and having a linear depression passing a center of the pixel region.Type: GrantFiled: March 8, 2013Date of Patent: December 29, 2015Assignee: TOPPAN PRINTING CO., LTD.Inventors: Yasuhiro Hibayashi, Kenzo Fukuyoshi
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Patent number: 9224824Abstract: This thin film transistor substrate is provided with: a drain electrode that is formed on an insulating film, and comprises copper; an interlayer insulating film formed on the drain electrode; and a pixel electrode that is formed in the contact hole, which is formed in the insulating film and the interlayer insulating film, and on the interlayer insulating film, and is electrically connected to the drain electrode via the contact hole. In a plan view of the contact hole, the drain electrode is formed inside part of the contact hole in such a manner that part of the drain electrode and part of the outer periphery of the contact hole are overlapping, and part of the pixel electrode and the drain electrode are electrically connected.Type: GrantFiled: June 20, 2013Date of Patent: December 29, 2015Assignee: SHARP KABUSHIKI KAISHAInventor: Kibou Watanabe
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Patent number: 9190524Abstract: An active matrix substrate (20a) includes: an insulating substrate (10a); a first thin film transistor (5a) including a first gate electrode (11b) located on the insulating substrate (10a) and a first oxide semiconductor layer (13a) having a first channel region (Ca); a second oxide semiconductor layer (13b) including a second gate electrode (11c) located on the insulating substrate (10a) and having a second channel region (Cb); a second gate insulating film (17) covering the first oxide semiconductor layer (13a) and the second semiconductor layer (13b); and a third gate electrode (25) located on the second gate insulating film (17) and facing the first channel region (Ca) and the second channel region (Cb) with the second gate insulating film (17) interposed therebetween.Type: GrantFiled: September 2, 2011Date of Patent: November 17, 2015Assignee: Sharp Kabushiki KaishaInventor: Tadayoshi Miyamoto
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Patent number: 9182635Abstract: A liquid crystal display device includes: a pair of substrates that are bonded together with a sealing member having a closed loop shape that is formed around a display region with a space maintained from the display region; and a liquid crystal layer that is disposed between the pair of substrates so as to maintain a cell gap of a predetermined thickness, wherein, between the display region and the sealing member, a cell thick area, in which a cell gap larger than the cell gap of the display region is formed, is formed.Type: GrantFiled: January 9, 2015Date of Patent: November 10, 2015Assignee: Japan Display Inc.Inventor: Hayato Kurasawa
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Patent number: 9176344Abstract: A liquid crystal display includes a first substrate and a second substrate facing each other; a switching element disposed on the first substrate; a pixel electrode connected to the switching element and supplied with a data voltage; an opposing electrode disposed on the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate and including liquid crystal molecules. The pixel electrode includes a cutout and a liquid crystal direction controller that are alternately disposed. The cutout and the liquid crystal direction controller divide the pixel electrode into a plurality of sub-regions, and inclination directions of the liquid crystal molecules are different according to the plurality of sub-regions when the pixel electrode is supplied with the data voltage. The liquid crystal direction controller is concave downward or convex upward with respect to a surface of the first substrate.Type: GrantFiled: October 13, 2010Date of Patent: November 3, 2015Assignee: Samsung Display Co., Ltd.Inventors: Youn-Hak Jeong, Hee-Hwan Lee, Keun-Chan Oh, Jae-Jin Lyu, Yoon-Sung Um
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Patent number: 9147717Abstract: An organic EL display device includes: thin film transistors that are arranged in respective pixels within a display area which are arranged in a matrix; a planarization film that is formed over the thin film transistor and made of an organic insulating material; contact electrodes that are connected to drains or sources of the respective thin film transistors through contact holes formed within the planarization film; contact hole planarization films that are arranged over the respective contact electrodes with which the contact holes are embedded, and made of an organic insulating material; a lower electrode that is formed to be electrically connected onto the contact electrodes, and formed over the contact hole planarization film; and an organic layer that is arranged over the lower electrode to cover the overall display area, and formed of a plurality of organic material layers including a light emitting layer.Type: GrantFiled: August 20, 2014Date of Patent: September 29, 2015Assignee: Japan Display Inc.Inventors: Masamitsu Furuie, Toshihiro Sato, Mitsuhide Miyamoto
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Patent number: 9140948Abstract: A liquid crystal display panel with enhanced image quality is disclosed. The liquid crystal display panel has a plurality of gate lines, a plurality of data lines, a plurality of thin film transistors connected to gate line and data line, a plurality of pixel electrodes, and floating electrode(s). The floating electrode extends along the data line to prevent light leakage and vertical crosstalk. Throughout the whole liquid crystal display panel, the floating electrode is electrically interconnected to lessen vertical crosstalk.Type: GrantFiled: March 5, 2013Date of Patent: September 22, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jong-Woon Chang, Yeong-Keun Kwon
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Patent number: 9116405Abstract: A display device according to the present invention includes a first substrate, a driving portion formed on the first substrate, a plurality of signal lines formed on the first substrate to transmit signals to the driving portion, a second substrate facing the first substrate, and a conductive member formed on the second substrate, wherein the driving portion overlaps with the conductive member, and the signal lines are disposed at a position outside a region of overlap of the conductive member. Accordingly, the capacitances between the signal lines may be substantially the same.Type: GrantFiled: January 7, 2014Date of Patent: August 25, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Soon-Il Ahn, Seung-Soo Baek, Seong-Young Lee, Kee-Bum Park
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Patent number: 9086587Abstract: In a liquid crystal display (LCD), a thickness of a passivation layer overlapping signal lines is larger than a thickness of portion of the passivation layer not overlapping signal lines. A spacer may be formed to overlap the signal lines. In an aperture region of the LCD, a thickness of the passivation layer between a common electrode and a pixel electrode is relatively small, and therefore, it may be possible to prevent reduction in the intensity of the electric field between the common electrode and the pixel electrode. Since thickness of the passivation layer may be relatively large, it may be possible to prevent a signal delay of common voltage. A spacer may be formed overlapping signal lines with relatively thick passivation layer. The spacer may have a small height. Cell gap may be adjusted to be uniform, and prevent reduction in aperture ratio of the LCD.Type: GrantFiled: March 14, 2013Date of Patent: July 21, 2015Assignee: Samsung Display Co., Ltd.Inventors: Gyung-Soon Park, Il Gon Kim
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Patent number: 9063379Abstract: A display panel includes a first substrate, a second substrate, and a liquid crystal layer disposed between the first and second substrates. The first substrate includes a recess portion recessed into the first substrate from the surface of a common electrode and a first alignment barrier protruded from the recess portion in an area corresponding to at least a portion of an end portion of a first alignment layer.Type: GrantFiled: March 15, 2013Date of Patent: June 23, 2015Assignee: Samsung Display Co., Ltd.Inventors: Swae-Hyun Kim, Je Hyeong Park, YoungGoo Song, Kipyo Hong, Sunghee Hong, Sang Woo Whangbo
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Patent number: 9041888Abstract: The present invention provides a display device substrate, a display device substrate manufacturing method, a display device, a liquid crystal display device, a liquid crystal display device manufacturing method and an organic electroluminescent display device that allow suppressing faults derived from occurrence of gas and/or bubbles in a pixel region. The present invention is a display device substrate that comprises: a photosensitive resin film; and a pixel electrode, in this order, from a side of an insulating substrate. The display device substrate has a gas-barrier insulating film, at a layer higher than the photosensitive resin film, for preventing advance of a gas generated from the photosensitive resin film, or has a gas-barrier insulating film, between the photosensitive resin film and the pixel electrode, for preventing advance of gas generated from the photosensitive resin film.Type: GrantFiled: December 9, 2013Date of Patent: May 26, 2015Assignee: Sharp Kabushiki KaishaInventor: Hiroyuki Moriwaki
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Patent number: 9041889Abstract: The disclosed technology discloses an array substrate and a liquid crystal display panel. The array substrate comprises: a base substrate; a gate line and a data line formed on the base substrate, the gate line and the data line defining a plurality of pixel regions; and a first electrode layer and a second electrode layer formed in each pixel region; and an insulating layer provided between the first electrode layer and the second electrode layer. The first electrode layer, the insulating layer and the second electrode layer are laminated on the base substrate in this order. The first electrode layer is provided with a plurality of first apertures therein, and the first electrode layer comprises a plurality of first electrode portions located between the plurality of first apertures.Type: GrantFiled: July 30, 2012Date of Patent: May 26, 2015Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xinli Ma, Yan Li, Qiangtao Wang, Wenbing Li
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Publication number: 20150138494Abstract: The method of manufacturing a device substrate includes forming a surface modifying layer on a process substrate. The surface modifying layer has a different hydrophobicity from that of the process substrate. The process substrate is disposed on a carrier substrate. The surface modifying layer is disposed between the process substrate and the carrier substrate. A device is formed on the process substrate. The process substrate is separated from the carrier substrate.Type: ApplicationFiled: June 10, 2014Publication date: May 21, 2015Inventors: TaeHwan KIM, Myeonghee Kim, Youngbae Kim, Jong Seong Kim, Myunghwan Park, Jonghwan Lee
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Patent number: 9036124Abstract: Disclosed is a display device. The display device includes an upper substrate; a lower substrate having gate and data lines, with exposing a part of the lower surface of the upper substrate; a sealant for adhering the upper substrate to the lower substrate; a panel driver connected to the part of a lower surface of the upper substrate; a pad formed on the lower substrate, for applying a signal to the gate and data lines; and a connection part formed on the upper substrate, for connecting the pad and the panel driver. Accordingly, the thickness of the display device decreases, and a step height is not formed at a front surface of the display device, whereby the present invention can obtain an aesthetic design effect in that the front surface of the display device is shown as one structure.Type: GrantFiled: July 18, 2012Date of Patent: May 19, 2015Assignee: LG DISPLAY CO., LTD.Inventors: JaeHyung Jo, JongSin Park
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Publication number: 20150131017Abstract: A display apparatus includes a first substrate that includes a display area in which pixels are arranged and a non-display area surrounding the display area, a second substrate disposed to face the first substrate, and a sealing member disposed in the non-display area to attach the second substrate to the first substrate. The first substrate includes a base substrate, a plurality of inorganic insulating layers disposed on the base substrate in the non-display area, and an organic layer disposed on the inorganic insulating layer.Type: ApplicationFiled: May 2, 2014Publication date: May 14, 2015Applicant: Samsung Display Co., Ltd.Inventors: Sungin RO, HyunWuk KIM, Ock Soo SON, Jeanho SONG, Eunje JANG
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Patent number: 9030616Abstract: A retention capacity in which a first electrode, a lower side capacity insulation film, a second electrode, an upper side capacity insulation film, and a third electrode are laminated is formed between a pixel electrode and a TFT. The lower side capacity insulation film and the upper side capacity insulation film respectively include a plurality of insulation films, and the lamination order thereof is the same.Type: GrantFiled: August 13, 2012Date of Patent: May 12, 2015Assignee: Seiko Epson CorporationInventor: Minoru Moriwaki
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Patent number: 9031616Abstract: A body for a mobile device shaped like a sleeve is closed on all but one side and configured to receive an internal body including electronic components through the open side.Type: GrantFiled: September 9, 2011Date of Patent: May 12, 2015Assignee: Facebook, Inc.Inventors: Jacques Gagne, Gerald Kirk McGinty
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Patent number: 9025117Abstract: The present invention provides a liquid crystal display panel, which comprises: a first conductive layer, a first insulating layer, a second conductive layer, a second insulating layer, and a third conductive layer; the first insulating layer being disposed on the first conductive layer and comprising at least two first via-holes corresponding respectively to at least two first subsidiary conductive regions so that at least two first subsidiary conductive regions being partially exposed through first via-holes; the second conductive layer being disposed on the first insulating layer; the second insulating layer being disposed on the second conductive layer; the second insulating layer being disposed on the second conductive layer and comprising at least two second via-holes corresponding respectively to at least two second subsidiary; a third conductive layer being connected with first subsidiary conductive regions and a second conductive layer.Type: GrantFiled: September 7, 2012Date of Patent: May 5, 2015Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Ming-Hung Shih, Zhenghua Li, Je-Hao Hsu
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Publication number: 20150116645Abstract: According to an exemplary embodiment of the present invention, a liquid crystal display includes: a first substrate; a first subpixel electrode disposed on the first substrate, supplied with a first voltage and including a first sub region and a second sub region; a second subpixel electrode disposed on the first substrate and supplied with a second voltage; an insulating layer disposed on the first sub region of the first subpixel electrode and disposed beneath the second subpixel electrode and the second sub region of the first subpixel electrode; a second substrate facing the first substrate; and a common electrode disposed on the second substrate, in which a first region in which the first subpixel electrode is formed includes four distinct areas having different characteristics.Type: ApplicationFiled: October 23, 2014Publication date: April 30, 2015Inventors: Min Ju HAN, Su Jeong KIM, Dan Bi YANG, Ji Phyo HONG
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Publication number: 20150116644Abstract: The present invention provides an FFS-mode liquid crystal display device which can prevent trace unevenness during white screen display. The present invention provides a liquid crystal display device including: a pair of substrate; and a liquid crystal layer interposed between the pair of substrates, wherein one of the pair of substrates includes a scanning signal line, a data signal line, pixel electrodes with a comb-tooth portion, a plate-like common electrode, and an interlayer insulating film provided between the pixel electrodes and the common electrode, the comb-tooth portion of each of the pixel electrodes includes a straight portion and a bent portion, the bent portion is provided at least at one end of the comb-tooth portion, and the interlayer insulating film is thinner at a position overlapping with the bent portion than at a position overlapping with the straight portion.Type: ApplicationFiled: April 24, 2013Publication date: April 30, 2015Inventors: Katsuhiko Morishita, Takehiko Sakai, Shogo Nishiwaki, Masashi Chino, Masatoshi Kondo
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Publication number: 20150116646Abstract: In one embodiment, a first wiring line is pulled out from an active area, and a short ring circuit is provided in a peripheral portion of the active area. A first electrode is formed in the same layer as the first wiring line. A semiconductor layer is formed on the first electrode. A portion of a second electrode faces the first electrode through an insulating layer and arranged on the semiconductor layer. A third electrode is arranged on the semiconductor layer in the same layer as the second electrode. The first electrode includes a cutout portion arranged under an edge of the second electrode.Type: ApplicationFiled: December 31, 2014Publication date: April 30, 2015Applicant: Japan Display Inc.Inventor: Shin MORITA
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Patent number: 9019458Abstract: A display device includes: a substrate, on which pixel areas arranged substantially in a matrix form having pixel rows and pixel columns are defined; a thin film transistor disposed on the substrate; a pixel electrode disposed in the pixel areas and connected to the thin film transistor; common electrodes disposed on the pixel electrode and spaced apart from the pixel electrode, where a microcavity is defined between the pixel electrode and the common electrodes; a roof layer disposed on the common electrodes, where a liquid crystal injection hole is defined through the common electrodes and the roof layer and exposes the microcavity; a liquid crystal layer disposed in the microcavity; and an encapsulation layer disposed on the roof layer, where the encapsulation layer covers the liquid crystal injection hole and seals the microcavity, where the common electrodes in the pixel rows are connected to each other.Type: GrantFiled: October 7, 2013Date of Patent: April 28, 2015Assignee: Samsung Display Co., Ltd.Inventors: Won Tae Kim, Yong Seok Kim, Sung Hwan Won, Seon Uk Lee, Kyung Tae Chae, Pil Sook Kwon, Dae Ho Lee, Woo Jae Lee, Tae Woo Lim
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Publication number: 20150109568Abstract: According to one embodiment, a display device includes a first substrate including a first pixel electrode disposed on a first color pixel of red, a second pixel electrode disposed on a second color pixel of green, a third pixel electrode disposed on a third color pixel of blue, and a fourth pixel electrode disposed on a fourth color pixel of white, a second substrate including a common electrode, and a liquid crystal layer held between the first substrate and the second substrate, wherein a top voltage applied to the fourth color pixel to correspond to a maximum gradation value is set to be less than a top voltage applied to each of the first color pixel and the second color pixel to correspond to respective maximum gradation values.Type: ApplicationFiled: October 14, 2014Publication date: April 23, 2015Applicant: Japan Display Inc.Inventors: Tomoko KOZUKA, Jin Hirosawa, Yuuki Morita, Hiroyuki Kimura, Kazuya Arima, Masaaki Kabe, Yoshihiro Watanabe
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Publication number: 20150109567Abstract: According to one embodiment, a display device includes a first substrate including a first pixel electrode disposed in a red color pixel, a second pixel electrode disposed in a green color pixel, and a third pixel electrode disposed in a blue color pixel, a second substrate including a common electrode having a first slit opposed to the first pixel electrode, a second slit opposed to the second pixel electrode, and a third slit opposed to the third pixel electrode, and a liquid crystal layer held between the first substrate and the second substrate, wherein at least one of an area and an area ratio of the third slit is greater than that of the first slit and the second slit.Type: ApplicationFiled: October 14, 2014Publication date: April 23, 2015Applicant: Japan Display Inc.Inventors: Keiji TAGO, Kayoko Miyazaki, Ayumi Mori
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Patent number: 9013656Abstract: A polarizing plate according to the invention includes a first protective film; a polarizer; a second protective film; and an adhesive layer in this order, in which a moisture vapor permeability of the first protective film is less than or equal to 200 g/m2/24 hours, the second protective film contains cellulose acylate as a major component, a creep amount of the adhesive layer is less than 100 ?m, and a shrinkage force of the polarizing plate in an absorption axis direction thereof which is represented by the following expression (A) is lower than or equal to 2000 N/m. Expression (A) is the Shrinkage Force (N/m) of Polarizing Plate in Absorption Axis Direction=Elastic Modulus (GPa) of Polarizing Plate in Absorption Axis Direction×|Humidity Dimensional Change Rate (%) of Polarizing Plate in Absorption Axis Direction|×Thickness (?m) of Polarizing Plate×10.Type: GrantFiled: October 2, 2013Date of Patent: April 21, 2015Assignee: FUJIFILM CorporationInventors: Kazuya Hisanaga, Rikio Inoue, Makoto Ishiguro
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Patent number: 9013667Abstract: A liquid crystal display device includes: a pair of substrates that are bonded together with a sealing member having a closed loop shape that is formed around a display region with a space maintained from the display region; and a liquid crystal layer that is disposed between the pair of substrates so as to maintain a cell gap of a predetermined thickness, wherein, between the display region and the sealing member, a cell thick area, in which a cell gap larger than the cell gap of the display region is formed, is formed.Type: GrantFiled: January 25, 2011Date of Patent: April 21, 2015Assignee: Japan Display West Inc.Inventor: Hayato Kurasawa
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Publication number: 20150103300Abstract: A liquid crystal display includes: a first insulation substrate; a gate line and a data line formed on the first insulation substrate; a first electrode and a second electrode formed on the gate line and the data line and overlapping each other via an insulating layer interposed therebetween; a second insulation substrate facing the first insulation substrate; and a chiral dopant inserted between the first insulation substrate and the second insulation substrate. A content of the chiral dopant may be within about 1%, and liquid crystal molecules of a liquid crystal layer may be twisted with a pitch of about 10 ?m to about 100 ?m by the chiral dopant.Type: ApplicationFiled: October 2, 2014Publication date: April 16, 2015Inventors: Si Heun KIM, Chang-Hun Lee, Daisuke Inoue, Mi Suk Kim, Tae Ho Kim, So Youn Park, Keun Chan OH
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Patent number: 9007540Abstract: Provided is an electro-optical device including: a first conduction layer; and a second conduction layer which is disposed on the upper layer side of the first conduction layer with an insulation film interposed therebetween so that at least a part thereof overlaps with the first conduction layer in the plan view, wherein the insulation film is provided with a void portion formed in an area where the first conduction layer and the second conduction layer overlap with each other in the plan view.Type: GrantFiled: December 21, 2010Date of Patent: April 14, 2015Assignee: Seiko Epson CorporationInventor: Masashi Nakagawa
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Patent number: 9007550Abstract: Provided are a display device capable of reducing a weight, a thickness, a cost, and a process time and having a durable structure, and a manufacturing method thereof. The display device includes: a substrate including a plurality of pixel areas; a thin film transistor formed on substrate; a first electrode connected to the thin film transistor to be formed in the pixel area; an organic layer formed on the first electrode so as to be connected along the adjacent pixel areas in a first direction among the pixel areas; a space positioned on the first electrode, of which parts of the upper surface and the side are surrounded by the organic layer; a liquid crystal formed to fill the space; and an overcoat formed to cover the rest side of the space which is not covered by the organic layer, in which a height of the upper surface of the organic layer is gradually lowered toward both edges of the pixel area from the center of the pixel area.Type: GrantFiled: October 15, 2012Date of Patent: April 14, 2015Assignee: Samsung Display Co., Ltd.Inventors: Nak Cho Choi, Yeun Tae Kim
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Publication number: 20150098049Abstract: A liquid crystal display includes a first insulating substrate; a gate line and a data line disposed on the first insulating substrate and insulated from each other to cross each other; a thin film transistor connected to the gate line and the data line; an organic layer disposed on the thin film transistor; a pixel electrode disposed on the organic layer; a passivation layer disposed on the pixel electrode; and a common electrode disposed on the passivation layer, in which shapes of the passivation layer and the common electrode correspond to each other in a pixel area. The device reduces a DC bias generated when charges are collected on either the pixel electrode or the common electrode in a display device that displays an image by generating an electric field between two field generating electrodes of the pixel electrode and the common electrode.Type: ApplicationFiled: August 5, 2014Publication date: April 9, 2015Inventor: Chang-Hun LEE
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Publication number: 20150098041Abstract: A liquid crystal display includes a first substrate, a second substrate facing the first substrate with a predetermined interval therebetween, a liquid crystal material filled between the first substrate and the second substrate, a column spacer disposed at the second substrate and maintaining the predetermined interval between the first substrate and the second substrate, a passivation layer disposed at the first substrate, a pixel electrode disposed on the passivation layer; and a fixing protrusion which is disposed on the first substrate, is positioned at an opposing surface of the column spacer and includes at least one of a lower layer including the passivation layer and an upper layer including the pixel electrode.Type: ApplicationFiled: June 18, 2014Publication date: April 9, 2015Inventors: Min-Sik JUNG, Byung-Chul KIM, Young Gu KIM, Hwa Sung WOO, Baek Kyun JEON
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Publication number: 20150098047Abstract: A liquid crystal display includes a first substrate and a second substrate facing each other, a pixel electrode on the first substrate, a common electrode on the second substrate, and a liquid crystal layer between the first substrate and the second substrate, wherein the common electrode includes a first cutout portion, and the pixel electrode includes a first sub-pixel electrode, a second sub-pixel electrode surrounding the first sub-pixel electrode, a second cutout portion adjacent to at least one of edges of the second sub-pixel electrode and disposed along the edges, and a third cutout portion isolating the first sub-pixel electrode from the second sub-pixel electrode, and the first sub-pixel electrode and the second sub-pixel electrode are located at different heights.Type: ApplicationFiled: March 12, 2014Publication date: April 9, 2015Applicant: Samsung Display Co., Ltd.Inventors: Dong-Chul SHIN, Jae-Hong Park, Ki-Chul Shin, Hyeok-Jin Lee
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Patent number: 9001297Abstract: A liquid crystal display (LCD) includes an array of pixels over a thin film transistor (TFT) substrate. The TFT substrate includes a TFT that has a first metal layer to form a gate electrode and a second metal layer to form a source electrode and a drain electrode for each pixel. The LCD also includes an organic insulation layer disposed over the TFT substrate, where the organic insulator layer has trenches on a top surface. The LCD further includes a third metal layer disposed over the organic insulation layer in the trenches, the trenches having a trench depth at least equal to the thickness of the third metal layer. The LCD also includes a passivation layer over the third metal layer, and a pixel electrode for each pixel over the passivation layer. The LCD further includes a polymer layer over the pixel electrode, and liquid molecules on the polymer layer.Type: GrantFiled: January 29, 2013Date of Patent: April 7, 2015Assignee: Apple Inc.Inventors: Byung Duk Yang, Kyung Wook Kim, Young Bae Park, Shih Chang Chang, John Z. Zhong
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Publication number: 20150091886Abstract: A 2D/3D display system is provided. The system includes a first substrate, a second substrate arranged facing the first substrate with a distance from the first substrate, a liquid crystal layer including liquid crystal molecules and configured to provide a display area, a first electrode section and a second electrode section arranged on a first side of the liquid crystal layer, a third electrode section arranged on a second side of the liquid crystal layer, and voltage output modules. The voltage output modules are configured to receive image display adjustment signals, where the image display adjustment signals includes at least one of 2D display area position information and 3D display area position information. The voltage output modules are also configured to provide one or more driving voltages for the first electrode section, the second electrode section and the third electrode section based on the received image display adjustment signals.Type: ApplicationFiled: September 19, 2014Publication date: April 2, 2015Inventors: HONGWEI QUAN, FUZHONG GUO, XIAODA GONG