Liquid Crystal Component Patents (Class 438/30)
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Publication number: 20140055698Abstract: A mother substrate for a display device includes: a first mother substrate and a second mother substrate including a plurality of panel regions and facing each other; a first contact electrode and a second contact electrode on the first mother substrate; a common electrode, a first voltage application electrode and a second voltage application electrode separated from each other and on the second mother substrate; and a liquid crystal layer between the first mother substrate and the second mother substrate. The first voltage application electrode is connected to the first contact electrode, and the second voltage application electrode is connected to the second contact electrode. The first voltage application electrode is applied with a first voltage, and the second voltage application electrode is applied with a second voltage different from the first voltage.Type: ApplicationFiled: January 2, 2013Publication date: February 27, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Jong-In KIM, Sang Yong NO, Kook Hyun CHOI, Sang Ki KWAK, Jang Soo KIM
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Publication number: 20140055718Abstract: Disclosed are an organic light emitting diode display device, a manufacturing method for the same and a display system, for realizing compatibility of ordinary non-transparent display and transparent display in the organic light emitting diode display device, as well as the switching between ordinary non-transparent display and transparent display. The display device comprises: a transparent organic light emitting diode (OLED) display panel (20) and a light valve component (21); the light valve component (21) is disposed on a non-display surface of the transparent OLED display panel (20); and the light valve component (21) at least has two states under electric fields: a transparent state and a non-transparent state.Type: ApplicationFiled: October 18, 2012Publication date: February 27, 2014Inventor: Wenbo Li
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Patent number: 8659024Abstract: The disclosed technology is in connection with an array substrate of a thin film transistor liquid crystal display (TFT-LCD) and a method for manufacturing the same, and the array substrate comprises: a base substrate; a gate line and a data line forming on the base substrate and defining a pixel region, a pixel electrode, a thin film transistor and a common electrode are formed in the pixel region; a black matrix made of conductive thin film material, the black matrix is electrically connected with the common electrode.Type: GrantFiled: September 22, 2011Date of Patent: February 25, 2014Assignees: BOE Technology Group Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.Inventors: Won Seok Kim, Young Min Kim, Pil Seok Kim
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Publication number: 20140049717Abstract: A liquid crystal display includes a lower substrate including a pixel area and a light blocking region, a thin film transistor layer on the lower substrate and including a gate line and a data line, a color filter on the thin film transistor layer and corresponding to the pixel area, a light blocking member on the color filter and corresponding to the light blocking region, an upper substrate facing the lower substrate, and a liquid crystal layer between the lower and upper substrates. The light blocking member includes a horizontal light blocking member extending along the gate line and a vertical light blocking member extending along the data line. The color filter includes a protrusion portion overlapping a portion of the horizontal light blocking member which is in the pixel area. A sub-column spacer includes the portion of the horizontal light blocking member overlapping the protrusion portion.Type: ApplicationFiled: January 15, 2013Publication date: February 20, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Chang Hun KWAK, Chul HUH
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Patent number: 8654289Abstract: An LCD device includes first and second substrates, an alignment layer formed over at least one of the substrates, and a liquid crystal layer formed between the substrates. The alignment layer is formed of a mixture of rubbing alignment and UV alignment materials. A method of fabricating the LCD device includes preparing first and second substrates; coating an alignment layer over at least one of the substrates; performing a rubbing process on the substrate coated with the alignment layer; and irradiating polarized UV rays onto the substrate coated with the alignment layer, wherein the alignment layer is formed of a mixture of rubbing alignment a UV alignment materials. The rubbing process obtains high anchoring energy is obtained, thereby preventing afterimages. Also, the process of irradiating the polarized UV rays eliminates the problem of light leakage.Type: GrantFiled: February 7, 2013Date of Patent: February 18, 2014Assignee: LG Display Co., Ltd.Inventor: Su-Hyun Park
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Patent number: 8654299Abstract: Provided is an active matrix substrate manufacturing method, including the steps of: selectively forming a laminated structure pattern, by forming the laminated structure on a glass substrate (2), by forming a first photosensitive resin pattern (PR) on the laminated structure, and by selectively forming the laminated structure pattern using the first photosensitive resin pattern (PR), the laminated structure including a metal layer (a scanning signal line (11) material), a gate insulative layer (30), and a semiconductor layer (31, 33) (transistor material); fluorinating a surface of the first photosensitive resin pattern (PR) by dry-etching with fluorine gas; applying a coating-type transparent insulative resin (60) onto the glass substrate (2) to fill a space in the laminated structure pattern; and removing the fluorinated first photosensitive resin pattern (PR).Type: GrantFiled: April 25, 2013Date of Patent: February 18, 2014Assignee: Sharp Kabushiki KaishaInventor: Kiyohiro Kawasaki
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Publication number: 20140045287Abstract: A method of manufacturing liquid crystal display devices according to the present invention includes: forming a protective film on a first base substrate; forming a circuit element part on the first base substrate and/or the protective film; bonding a second base substrate to the first base substrate to form bonded substrates including both substrates, the circuit element part being therebetween; forming a first incision on a outer surface of the first base substrate on which the protective film is formed, at a location overlapping with the protective film; wet-etching the formed first incision to make the incision deeper; forming a second incision on an outer surface of the second base substrate at a location overlapping the first incision, and dividing the bonded substrates along the first incision and the second incision, thereby forming a plurality of individual bonded substrates.Type: ApplicationFiled: April 13, 2012Publication date: February 13, 2014Applicant: SHARP KABUSHIKI KAISHAInventors: Takatoshi Kira, Hiroki Makino
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Patent number: 8647902Abstract: A method of manufacturing an array substrate for a liquid crystal display device includes forming gate and data lines crossing each other on a substrate; forming a thin film transistor connected to the gate and data lines; forming a passivation layer on the substrate having the gate lines, data lines and the thin film transistor; forming a first conductive material layer on the passivation layer and connected to a drain electrode of the thin film transistor; oxidizing a surface of the first conductive material layer; forming a second conductive material layer on the oxidized first conductive material layer; forming a photoresist pattern on the second conductive material layer; etching the first and second conductive material layers using the photoresist pattern to form pixel and common electrodes which are alternately arranged in the pixel region and produces an in-plane electric field; and removing the photoresist pattern.Type: GrantFiled: August 1, 2012Date of Patent: February 11, 2014Assignee: LG Display Co., Ltd.Inventors: Ju-Ran Lee, Jeong-Yun Lee, Hang-Sup Cho, Doo-Hee Jang
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Patent number: 8647933Abstract: It is an object to provide a method for manufacturing a display device suitable for mass production without complicating a manufacturing process of a thin film transistor. A microcrystalline semiconductor film is formed by use of a microwave plasma CVD apparatus with a frequency of greater than or equal to 1 GHz using silicon hydride or silicon halide as a source gas, and a thin film transistor using the microcrystalline semiconductor film and a display element connected to the thin film transistor are formed. Since plasma which is generated using microwaves with a frequency of greater than or equal to 1 GHz has high electron density, silicon hydride or silicon halide which is a source gas can be easily dissociated, so that mass productivity of the display device can be improved.Type: GrantFiled: May 23, 2008Date of Patent: February 11, 2014Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Shunpei Yamazaki
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Patent number: 8642364Abstract: A high-performance thin film transistor structure which is easily manufactured is provided. The thin film transistor structure includes: a first electrode; second and third electrodes apart from each other in a hierarchical level different from that of the first electrode; first, second, and third wirings connected to the first, second, and third electrodes, respectively; a main stack body disposed so as to be opposed to the first electrode with an interlayer insulating layer in between, between the first electrode, and the second and third electrodes; and a sub stack body including an insulating layer and a semiconductor layer, disposed so as to be opposed to the first wiring with the interlayer insulating layer in between, between the first and second wirings in a position where the first and second wirings overlap and/or between the first and third wirings in a position where the first and third wirings overlap.Type: GrantFiled: April 24, 2013Date of Patent: February 4, 2014Assignee: Sony CorporationInventors: Iwao Yagi, Hideki Ono, Mari Sasaki
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Publication number: 20140028942Abstract: 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: ApplicationFiled: July 17, 2013Publication date: January 30, 2014Inventors: Shumpei Takeuchi, Akio Ota
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Publication number: 20140028925Abstract: A manufacturing method of a liquid crystal display includes: providing a thin film transistor on a substrate; providing a pixel electrode connected to the thin film transistor; providing a microcavity layer including a liquid crystal material on the pixel electrode; providing a supporting member layer on the microcavity layer; patterning the supporting member layer to form a plurality of recess portions therein; and providing a plurality of touch signal lines for transmitting a touch signal in the plurality of recess portions.Type: ApplicationFiled: November 29, 2012Publication date: January 30, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Gun CHOI, Woo Yong SUNG, Tae Woon CHA
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Organic light-emitting display apparatus that prevents a thick organic insulating layer from lifting
Patent number: 8637894Abstract: In an organic light-emitting display apparatus and a method of manufacturing the same, a pad region of the organic light-emitting display apparatus comprises a protrusion layer including a plurality of protrusion portions formed on a substrate so as to protrude, a pad lower electrode and a pad upper electrode, the pad lower electrode including a protrusion portion formed along a protrusion outline of the protrusion layer and a flat portion formed along the substrate, and the pad upper electrode being formed on the flat portion of the pad lower electrode. A source/drain electrode layer is formed on the pad upper electrode, an organic layer is formed on the source/drain electrode layer, and a counter electrode layer is formed on the protrusion portion of the pad lower electrode and the organic layer. The counter electrode layer follows the protrusion outline of the protrusion layer on the protrusion portion.Type: GrantFiled: May 3, 2011Date of Patent: January 28, 2014Assignee: Samsung Display Co., Ltd.Inventors: Yul-Kyu Lee, Chun-Gi You, Sun Park, Jong-Hyun Park, Kwang-Hae Kim -
Publication number: 20140024156Abstract: Disclosed herein is a liquid crystal display device including a plurality of pixels each having a reflecting section and a transmitting section, the pixels each including a plurality of sub-pixels resulting from alignment division, the liquid crystal display device including: an element layer formed on a substrate; an insulating film formed on the substrate so as to cover the element layer; a pixel electrode formed on the insulating film so as to be connected to the element layer; a gap adjusting layer formed on the insulating film on the element layer including a region of connection between the element layer and the pixel electrode; and a dielectric formed on a connecting part for making an electric connection between the sub-pixels.Type: ApplicationFiled: September 24, 2013Publication date: January 23, 2014Applicant: Japan Display West Inc.Inventors: Takeo KOITO, Hiroshi NISHIKAWA
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Publication number: 20140024155Abstract: A method for making a liquid crystal display module is provided. In the method, a first polarizing layer is provided. A free-standing transparent conductive layer is disposed on a surface of the first polarizing layer. At least two driving-sensing electrodes are disposed on a surface of the transparent conductive layer and spaced from the first polarizing layer. The at least two driving-sensing electrodes are spaced from each other and electrically connected with the transparent conductive layer. The first polarizing layer, the at least two driving-sensing electrodes, and the transparent conductive layer cooperatively form a polarizer. The polarizer is fixed to a liquid crystal module to form the liquid crystal display module.Type: ApplicationFiled: April 25, 2013Publication date: January 23, 2014Applicant: TIANJIN FUNAYUANCHUANG TECHNOLOGY CO.,LTD.Inventor: TIANJIN FUNAYUANCHUANG TECHNOLOGY CO., LTD.
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Patent number: 8633044Abstract: In a display region of an active matrix substrate, an interlayer insulating film made of a photosensitive organic insulating film, an insulating film different from the interlayer insulating film, and a plurality of pixel electrodes formed on a surface of the interlayer insulating film are provided. In a non-display region of the active matrix substrate, a lead line extended from the display region is formed. In a formation region for a sealing member, the interlayer insulating film is removed, the insulating film is provided to cover part of the lead line, and the sealing member is formed directly on a surface of the insulating film.Type: GrantFiled: January 25, 2012Date of Patent: January 21, 2014Assignee: Sharp Kabushiki KaishaInventors: Yoshihito Hara, Yukinobu Nakata
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Patent number: 8633043Abstract: A method of fabricating a fringe field switching (FFS)-liquid crystal display (LCD) device may have the following advantage. An inferior connection between the drain electrode and the pixel electrode may be prevented by preventing formation of a copper compound on the drain electrode, by performing a back channel etching after patterning a pixel electrode, and by performing a wet strip rather than a dry strip. This may result in a direct contact between copper and ITO, thereby reducing the number of mask processes.Type: GrantFiled: December 21, 2011Date of Patent: January 21, 2014Assignee: LG Display Co., Ltd.Inventors: Yong-Soo Cho, Young-Seok Choi, Dong-Hee Kim, Kyo-Ho Moon, Chul-Tae Kim, Kyu-Sun Choi
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Publication number: 20140017833Abstract: A manufacturing method for a liquid crystal display device according to this application is a manufacturing method for a liquid crystal display device having a transparent substrate (2), a TFT (5) formed on the transparent substrate (2), a lower insulating film (4) covering the TFT (5), an organic insulating film (6) covering the lower insulating film (4), a common electrode (7) formed on the organic insulating film (6), an upper insulating film (8) covering the common electrode (7), and a pixel electrode (9) formed on the upper insulating film (8). Annealing process is performed after formation of the organic insulating film (6) before formation of the upper insulating film (8).Type: ApplicationFiled: July 10, 2013Publication date: January 16, 2014Inventors: Ryuji MATSUMOTO, Shigekazu HORINO, Kouji HARADA
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Publication number: 20140017834Abstract: Provided is a method to manufacture a liquid crystal display device in which a contact hole for the electrical connection of the pixel electrode and one of the source and drain electrode of a transistor and a contact hole for the processing of a semiconductor layer are formed simultaneously. The method contributes to the reduction of a photography step. The transistor includes an oxide semiconductor layer where a channel formation region is formed.Type: ApplicationFiled: September 11, 2013Publication date: January 16, 2014Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Kaoru Hatano
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Publication number: 20140016054Abstract: A display device includes a substrate having a pixel region and a peripheral circuit region, peripheral circuits disposed in the peripheral circuit region, an insulation layer covering the peripheral circuits, a first electrode disposed on the insulation layer in the pixel region, at least one protection structure disposed on the insulation layer in the peripheral circuit region, and a light emitting structure or a liquid crystal layer disposed on the first electrode. The protection structure can prevent damage to the peripheral circuits caused by static electricity generated in manufacturing processes, so that the display device can have improved reliability while reducing defects of pixels in the display device.Type: ApplicationFiled: July 29, 2013Publication date: January 16, 2014Inventor: Young-Bin Kim
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Publication number: 20140017835Abstract: A liquid crystal display panel includes a substrate, a thin film transistor array, a circuit, and a dummy circuit. One surface of the substrate is divided into a display region and a wiring region. The thin film transistor array is formed on the display region. The circuit and the dummy circuit are formed on the wiring region, the dummy circuit is adjacent to the circuit, and the circuit and the dummy circuit protrude from the substrate.Type: ApplicationFiled: September 19, 2013Publication date: January 16, 2014Applicant: INNOLUX CORPORATIONInventors: Charles Chien, Shang-Yu Huang, Tsau-Hua Hsieh, Hung-Sheng Cho
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Patent number: 8628987Abstract: A liquid crystal display device is provided with high productivity at low cost by reducing manufacturing steps of the liquid crystal display device. A liquid crystal display device with less power consumption and high reliability is provided. Etching of a semiconductor layer and formation of a contact hole that connects a pixel electrode and a drain electrode are performed by one photolithography process and one etching step, whereby the number of photolithography processes is reduced. A liquid crystal display device can be provided with high productivity at low cost by reducing the number of photolithography processes. Further, an oxide semiconductor is used for the semiconductor layer, whereby a liquid crystal display device with less power consumption and high reliability can be provided.Type: GrantFiled: August 24, 2011Date of Patent: January 14, 2014Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Shunpei Yamazaki
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Patent number: 8628993Abstract: Disclosed is a method for removing individual layers of a layer stack. The layer stack includes a semiconductor layer disposed onto an optically dense electrically conductive layer which in turn is disposed upon an optically transparent layer. A laser at a first power level is projected through the optically transparent layer and onto the optically dense electrically conductive layer. The semiconductor layer is removed through heat evaporation imparted by the laser at the first power level without removing the optically dense electrically conductive layer. Optionally, the laser at a second power level, which is greater than the first power level, is projected onto the optically dense electrically conductive layer through the optically transparent layer. The optically dense electrically conductive layer is removed through heat evaporation imparted by the laser at the second power level without removing the optically transparent layer.Type: GrantFiled: November 29, 2010Date of Patent: January 14, 2014Assignee: Manz AGInventors: Vasile Raul Moldovan, Christoph Tobias Neugebauer
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Publication number: 20140009442Abstract: Disclosed is a liquid crystal display device having touch sensors embedded therein. The liquid crystal display device includes a liquid crystal layer interposed between upper and lower substrates, pixels, each of which includes pixel and common electrodes applying a horizontal electric field to the liquid crystal layer, a pixel thin film transistor to drive the pixel electrode, and a common thin film transistor to drive the common electrode, touch sensors, each of which forms a sensing capacitor between an object and the common electrode, sensor power lines, readout lines, and sensor gate lines. Each touch sensor includes the common electrode, a first sensor thin film transistor charging the common electrode with the sensing driving voltage in response to control of the previous sensor gate line, and a second sensor thin film transistor outputting the sensing signal to the readout line in response to control of the current sensor gate line.Type: ApplicationFiled: September 10, 2013Publication date: January 9, 2014Inventor: Cheol-Se Kim
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Publication number: 20140009714Abstract: An array substrate for a liquid crystal display device includes a gate line on a substrate including a display region and a non-display region at a periphery of the display region; a common line on the substrate; a data drive integrated circuit in the non-display region; first and second data lines crossing the gate line to define a pixel region in the display region, the first and second data lines having a difference in a distance from the data drive integrated circuit; first and second data link lines connected to the data drive integrated circuit, the first and second data link lines respectively connected to the first and second data lines; a thin film transistor in the pixel region connected to the gate line and one of the first and second data lines; a pixel electrode in the pixel region and connected to the thin film transistor; and a first conductive pattern in the non-display region and connected to the common line such that a common voltage is applied to the first conductive pattern, the first condType: ApplicationFiled: September 9, 2013Publication date: January 9, 2014Applicant: LG Display Co., Ltd.Inventors: Seok Ho SHIM, Dae Young SEOK
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Publication number: 20140009709Abstract: Provided is a liquid crystal display. The liquid crystal display includes: a substrate; a gate line, a common electrode line and a data line formed on the substrate; an insulating layer formed on the gate line, the common electrode line and the data line; a pixel electrode formed on the insulating layer; a microcavity formed on the pixel electrode and including a liquid crystal injection hole; a common electrode formed on the microcavity; a support member formed on the common electrode; and a capping layer formed on the support member and covering the liquid crystal injection hole, in which the common electrode line and the common electrode are connected to each other through a contact hole formed in a passivation layer.Type: ApplicationFiled: November 14, 2012Publication date: January 9, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Keun LIM, Joon-Chul GOH, Se Hyoung CHO, Chong Chul CHAI
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Patent number: 8623681Abstract: An auxiliary capacitor (6a) includes a capacitor line (11ba), a gate insulating film (12) provided so as to cover the capacitor line (11ba), a semiconductor layer (13b) provided on the gate insulating film (12) so as to overlap with the capacitor line (11b), and a drain electrode (14ba) provided on the semiconductor layer (13b) and connected to a pixel electrode (16a). The semiconductor layer (13b) made of an oxide semiconductor and the pixel electrode (16a) made of an oxide conductor contact each other.Type: GrantFiled: July 1, 2011Date of Patent: January 7, 2014Assignee: Sharp Kabushiki KaishaInventors: Yoshiki Nakatani, Yuhichi Saitoh, Tetsuya Okamoto, Yohsuke Kanzaki, Yudai Takanishi
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Publication number: 20140002764Abstract: A display device includes a substrate, a thin film transistor disposed on the substrate, where the thin film transistor includes a drain electrode, a passivation layer disposed on the substrate covering the thin film transistor, a common electrode disposed on the passivation layer, where the common electrode receives a common voltage, a liquid crystal layer disposed in a microcavity layer on the common electrode, a roof layer disposed covering the liquid crystal layer, and a pixel electrode disposed on the roof layer, and a method of manufacturing the display device is provided.Type: ApplicationFiled: November 28, 2012Publication date: January 2, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Mi SEO, Suk Won JUNG
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Publication number: 20140002777Abstract: Provided are reflective liquid crystal displays and methods of fabricating the same. the displays may include may include a first substrate, a reflective layer on the first substrate, a first electrodes on the reflective layer, a first insulating layer on the first electrodes, a second substrate facing the first substrate, a second electrode on the second substrate, a second insulating layer on the second electrode, and a liquid crystal layer between the first insulating layer and the second insulating layer. The second insulating layer has concavo-convex portions, which may be formed in contact with the liquid crystal layer to improve linearity of an incident light propagating from the second substrate toward the reflective layer and a reflected light propagating from the reflective layer toward the second substrate.Type: ApplicationFiled: January 10, 2013Publication date: January 2, 2014Applicant: Electronics and Telecommunications Research InstituteInventor: Electronics and Telecommunications Research Institute
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Publication number: 20130342781Abstract: The present disclosure relates to a liquid crystal display device and a fabricating method thereof. The liquid crystal display device includes: first and second substrates bonded to each other; gate lines aligned on the first substrate; a data line and a common line on the first substrate; a large pixel electrode at the intersecting point between the lines; a TFT at the intersecting point between the gate line and the data line; a protrusion pattern on the gate line; a passivation layer on the first substrate; branched common electrodes on the passivation layer; a pixel electrode connection pattern on the passivation layer; a black matrix and color filter layer on the second substrate; a column spacer on the second substrate; and a liquid crystal layer at between the substrates.Type: ApplicationFiled: December 26, 2012Publication date: December 26, 2013Applicant: LG DISPLAY CO., LTD.Inventors: Byung-Hyun Lee, Min-Jic Lee
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Publication number: 20130342779Abstract: 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: ApplicationFiled: March 14, 2013Publication date: December 26, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: JIN SOO JUNG, Young gu KIM, Byoung-Hun SUNG, Baekkyun JEON
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Publication number: 20130335686Abstract: The present invention relates to a liquid crystal display (LCD) panel and its manufacturing method. The LCD panel comprises a first substrate, a second substrate, a sealant, and a barrier wall. The first substrate and the second substrate are disposed relatively. The sealant disposed surrounding between the first substrate and the second substrate. The barrier wall is disposed at the outer side of the area surrounded by the sealant, and the barrier wall is respectively abutted against the first substrate and the second substrate. In summary, the present invention could improve the overflow of the sealant, reducing the difficulty for narrow frame design and the requirement for cutting precision of the LCD panel.Type: ApplicationFiled: June 21, 2012Publication date: December 19, 2013Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Cheng-hung Chen, Zui Wang
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Publication number: 20130334534Abstract: A liquid crystal display which includes a first substrate having thin film transistors, and a second substrate disposed to face the first substrate, wherein the first substrate includes: a gate electrode, a source electrode, and a drain electrode; a gate wiring; a first insulating film formed on the gate electrode and the gate wiring; a source wiring; a pixel electrode that is formed on the drain electrode to partially overlap the drain electrode; a second insulating film that covers the pixel electrode; a counter electrode; and a side wall that is formed on side portions of the source wiring, the source electrode, and the drain electrode, the third insulating film made of third insulating film; and wherein at least a part of the pixel electrode is formed to directly overlap the drain electrode and the side wall formed on the side portion of the drain electrode.Type: ApplicationFiled: June 18, 2013Publication date: December 19, 2013Inventors: Tatsuya FUJII, Toru TAKEGUCHI, Takafumi HASHIGUCHI
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Publication number: 20130335687Abstract: An embodiment of the invention provides a display panel which includes: a first substrate; a second substrate disposed oppositely to the first substrate; a first alignment layer disposed overlying the first substrate; a second alignment layer disposed overlying the second substrate; and a liquid crystal layer disposed between the first alignment layer and the second alignment layer, wherein the first alignment layer is rubbing-aligned and disposed between the first substrate and the liquid crystal layer, and the second alignment layer is photo-aligned and disposed between the second substrate and the liquid crystal layer.Type: ApplicationFiled: June 11, 2013Publication date: December 19, 2013Inventors: Hung-Ming SHEN, Wan-Ling HUANG, Kai-Neng YANG, Tsau-Hua HSIEH
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Publication number: 20130335660Abstract: A display apparatus 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, a non-display area, including first and second non-display areas, a pad area, the first non-display area adjacent to the pad area, a first base substrate disposed in the display area and in the non-display area, an organic polymer layer disposed in the pad area and in the first non-display area, a thin film transistor disposed in the display area, a pixel electrode connected to the thin film transistor, and a signal input pad connected to the thin film transistor and disposed on the organic polymer layer in the pad area. The organic polymer layer is disposed on the first base substrate in the first non-display area.Type: ApplicationFiled: February 11, 2013Publication date: December 19, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Jin-Soo JUNG, Young Gu KIM, Byoung-Hun SUNG, Baekkyun JEON
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Publication number: 20130335664Abstract: A display panel includes a substrate, a thin film transistor on the substrate, a first electrode electrically connected to the thin film transistor, a first insulation layer covering the first electrode, an image displaying layer disposed on the first insulation layer, a second insulation layer disposed on the image displaying layer, a second electrode disposed on the second insulation layer and insulated from the first electrode, and a protecting layer disposed on the second electrode. The protecting layer surrounds a portion of an upper surface and a side surface of the image displaying layer. The protecting layer includes a light curable material.Type: ApplicationFiled: January 3, 2013Publication date: December 19, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Seung-Bo SHIM, Yang-Ho JUNG, Jin-Ho JU, Da-Woon KIM, Jun-Gi KIM
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Publication number: 20130335666Abstract: A nanoprojector panel formed of an array of cells, each cell including a liquid crystal layer between upper and lower transparent electrodes, a MOS control transistor being arranged above the upper electrode, each transistor being covered with at least three metallization levels. The transistor of each cell extends in a corner of the cell so that the transistors of an assembly of four adjacent cells are arranged in a central region of the assembly. The upper metallization level extends above the transistors of each the assembly of four adjacent cells. The panel includes, for each assembly of four adjacent cells, a first conductive ring surrounding the transistors, the first ring extending from the lower metallization level to the upper electrode of each cell, with an interposed insulating material.Type: ApplicationFiled: June 18, 2013Publication date: December 19, 2013Inventors: Michel Marty, Flavien Hirigoyen, Josep Segura Puchades, Hélène Wehbe-Alause, Umberto Rossini
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Publication number: 20130335659Abstract: The present invention provides to an in-plane-switching (IPS) mode liquid crystal panel, which comprises: a first substrate, a second substrate, a coplanar transparent electrode layer and a liquid crystal layer. The first and second substrates have a first alignment film and a second alignment film, respectively. The coplanar transparent electrode layer is disposed onto the second alignment film. The liquid crystal layer is disposed in a space between the first alignment film of the first substrate and the coplanar transparent electrode layer of the second substrate. The liquid crystal layer comprises dual-frequency liquid crystal molecules and dual-frequency reactive mesogens/monomers. The liquid crystal panel of the present invention can overcome the problems of pollution and static electricity generated from the rubbing alignment in the in-plane-switching (IPS) mode, so as to simplify the manufacturing process and provide the advantages of high contrast, high response speed and wide viewing angle.Type: ApplicationFiled: June 28, 2012Publication date: December 19, 2013Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO. LTD.Inventors: Xiaolong Ma, Hong-Ji Huang
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Patent number: 8610871Abstract: A method for forming a multilayer includes a process for forming a first conductive layer on a substrate; a process for forming a first insulating layer on the first conductive layer; a process for forming a second conductive layer on the first insulating layer and patterning the deposited second conductive layer; a process for forming a second insulating layer over the substrate so as to cover the patterned the second conductive layer; a process for forming a third insulating layer on the second insulating layer, wherein an etching speed of the third insulating layer is faster than that of the second insulating layer; and a process for forming contact holes at once that expose at least a part of the first conductive layer to the first insulating layer, the second insulating layer and the third insulating layer.Type: GrantFiled: January 20, 2010Date of Patent: December 17, 2013Assignee: Casio Computer Co., Ltd.Inventors: Yoshitaka Tanaka, Hiroyuki Chikamori
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Patent number: 8610127Abstract: A thin film transistor array substrate is disclosed. The thin film transistor array substrate includes: gate lines and data lines formed to cross each other in the center of a gate insulation film on a substrate and to define pixel regions; a thin film transistor formed at each intersection of the gate and data lines; a passivation film formed on the thin film transistors; a pixel electrode formed on each of the pixel regions and connected to the thin film transistor through the passivation film; a gate pad connected to each of the gate lines through a gate linker; and a data pad connected to each of the data lines through a data linker. The data pad is formed of a gate pattern, and the data line is formed of a data pattern. The data linker is configured to connect the data pad formed of the gate pattern with the data line formed of the data pattern using a connection wiring.Type: GrantFiled: January 3, 2013Date of Patent: December 17, 2013Assignee: LG Display Co., Ltd.Inventors: Chung Wan Oh, Jae Chang Kwon, Yu Ri Shim, Chang Yeop Shin, Dong Eok Kim
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Publication number: 20130329171Abstract: Methods and devices for shielding displays from electrostatic discharge (ESD) are provided. In one example, a display of an electronic device may include a high resistivity shielding layer configured to protect electrical components from static charges. The display may also include a conductive layer electrically coupled to the high resistivity shielding layer and configured to decrease a discharge time of static charges from the high resistivity shielding layer. The display may include a grounding layer and a conductor electrically coupled between the conductive layer and the grounding layer to direct static charges from the conductive layer to the grounding layer.Type: ApplicationFiled: September 4, 2012Publication date: December 12, 2013Applicant: APPLE INC.Inventors: Ming Xu, Zhibing Ge, Cheng-Ho Yu, Cheng Chen, Abbas Jamshidi-Roudbari, Lynn Richard Youngs
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Publication number: 20130329150Abstract: A display that contains a column spacer arrangement which takes advantage of a protrusion on a TFT substrate is provided. One set of column spacers is disposed on top of the protrusion, while a second set of column spacers of substantially the same height as the first set of column spacers are disposed throughout the display. In this way, the display is adequately protected against deformation from external forces while at the same maintaining enough room to allow for a liquid crystal to spread out during the manufacturing process.Type: ApplicationFiled: September 6, 2012Publication date: December 12, 2013Inventors: Kyung-Wook KIM, Shih Chang Chang, Cheng Chen, Young-Bae Park, John Z. Zhong
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Publication number: 20130329152Abstract: The present invention provides a liquid crystal display panel and a manufacturing method thereof. The liquid crystal display panel includes a first substrate, a plurality of sub-pixel regions formed on the first substrate, liquid crystal disposed in the sub-pixel regions and containing red, green, or blue dye, and a second substrate bonded to the first substrate. Each sub-pixel regions is surrounded by four connected baffle panels, which collectively form a black matrix block wall. The second substrate is positioned on the black matrix block wall to face the first substrate so as to enclose the liquid crystal in the sub-pixel regions. The liquid crystal display panel uses liquid crystal that contains red, green, or blue dye and a black matrix block wall that blocks the liquid crystal to form the R, G, B sub-pixels, so that the manufacture steps are lessened, the structure is simple, and the cost is low.Type: ApplicationFiled: June 19, 2012Publication date: December 12, 2013Applicant: Shenzhen China Star Optoelectronics technology Co. LTD.Inventors: Xinhui Zhong, Kuancheng Lee
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Publication number: 20130329155Abstract: A liquid crystal display includes a light blocking member on a plurality of color filters, wherein the light blocking member includes a first light blocking member extending along a data line and a second light blocking member extending along a gate line. The first light blocking member is disposed between the plurality of color filters such that a first portion and a second portion of the first light blocking member overlapping an edge of at least one of the color filters respectively have a first width and a second width larger than the first width, and a sub column spacer is formed at the second portion of the first light blocking member.Type: ApplicationFiled: November 7, 2012Publication date: December 12, 2013Applicant: Samsung Display Co., Ltd.Inventors: Chang Hun KWAK, Min Jung KANG, Nu Ree UM, Chul HUH
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Patent number: 8604479Abstract: A display substrate includes a substrate, a gate line formed on the substrate, a data line formed on the substrate and crossing the gate line, a first pixel electrode formed on the substrate on which the gate and the data line are formed, an insulation layer formed on the substrate and the first pixel electrode, and a second pixel electrode formed on the insulation layer. The second pixel electrode includes a first sub-electrode that overlaps the first pixel electrode and the data line, and a second sub-electrode that is electrically connected to the data line through a switching element.Type: GrantFiled: September 7, 2011Date of Patent: December 10, 2013Assignee: Samsung Display Co., Ltd.Inventors: Jeong-Hyun Lee, Jeong-Uk Heo, Yeon-Sik Ham, Ock-Soo Son, Yeon-Mun Jeon
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Patent number: 8603843Abstract: Disclosed is a method for manufacturing an array substrate of an FFS type TFT-LCD, comprising the steps of: forming a first transparent conductive film, a first metal film and an impurity-doped semiconductor film on a transparent substrate sequentially, and then patterning the stack of the films to form patterns including source electrodes, drain electrodes, data lines and pixel electrodes; forming a semiconductor film and patterning it to form a pattern of the impurity-doped semiconductor layer and a pattern of the semiconductor layer including TFT channels; forming an insulating film and a second metal film, and patterning the stack of the films to form patterns including connection holes of the data lines in a PAD region, gate lines, gate electrodes and common electrode lines; forming a second transparent conductive film, and patterning it to form patterns including the common electrode.Type: GrantFiled: April 26, 2011Date of Patent: December 10, 2013Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.Inventors: Youngsuk Song, Seungjin Choi, Seongyeol Yoo
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Patent number: 8603844Abstract: A method for manufacturing a pixel structure is provided. A thin film transistor is formed on a substrate and an insulating layer is formed to cover the substrate and the thin film transistor. The insulating layer is patterned by a half-tone mask to form a protruding pattern, a sunken pattern connecting the protruding pattern, and a contact window inside the sunken pattern. A transparent conductive layer is formed to cover the protruding pattern and the sunken pattern, and filled in the contact window. A passivation layer is formed to cover the transparent conductive layer. A pixel electrode pattern is formed from the transparent conductive layer by removing a part of the passivation layer located on the protruding pattern, a part of the transparent conductive layer on the protruding pattern, and a part of the passivation layer located within the contact window. A pixel structure manufactured by the method is provided.Type: GrantFiled: April 24, 2012Date of Patent: December 10, 2013Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Chi-Ming Chiou, Yu-Tsung Lee, Chin-Tzu Kao
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Publication number: 20130321724Abstract: A liquid crystal display (LCD) device, an array substrate in the LCD device, and a method of manufacturing the array substrate are proposed. The LCD device includes an array substrate, a color filter (CF) substrate, and a liquid crystal (LC) layer sandwiched between the array substrate and the CF substrate. A voltage-applying circuit, an auxiliary wire, and a first test pad are disposed on the array substrate. The auxiliary wire is adjacent to the voltage-applying circuit. The auxiliary wire and the voltage-applying circuit are made of the same unit and undergo the same process. If the reference wire is examined to be defective, it could refer that the voltage-applying circuit might have a fault after references and comparisons. So the array substrate could be controlled or repaired. reducing the number of defective products.Type: ApplicationFiled: June 12, 2012Publication date: December 5, 2013Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Cheng-hung Chen
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Publication number: 20130323866Abstract: If an optical path length of an optical system is reduced and a length of a laser light on an irradiation surface is increased, there occurs curvature of field which is a phenomenon that a convergent position deviates depending on an incident angle or incident position of a laser light with respect to a lens. To avoid this phenomenon, an optical element having a negative power such as a concave lens or a concave cylindrical lens is inserted to regulate the optical path length of the laser light and a convergent position is made coincident with a irradiation surface to form an image on the irradiation surface.Type: ApplicationFiled: August 9, 2013Publication date: December 5, 2013Applicant: Semiconductor Energy Laboratory Co., LTD.Inventors: Koichiro TANAKA, Tomoaki MORIWAKA
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Patent number: 8597977Abstract: In a thin film transistor which uses an oxide semiconductor, buffer layers containing indium, gallium, zinc, oxygen, and nitrogen are provided between the oxide semiconductor layer and the source and drain electrode layers.Type: GrantFiled: December 18, 2012Date of Patent: December 3, 2013Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Junichiro Sakata, Tetsunori Maruyama, Yuki Imoto, Yuji Asano, Junichi Koezuka