With Antistatic Elements Patents (Class 349/40)
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Publication number: 20110234932Abstract: A display substrate includes a base substrate, a plurality of a gate line, a gate driving circuit, a starting pad and a first electrostatic dispersion portion. The gate lines are disposed at a display area of the base substrate and extend to the peripheral area. The gate driving circuit is disposed at a peripheral area of the base substrate, includes a plurality of a stage connected to the gate lines, and provides the gate lines with gate signals. The gate driving circuit is driven in response to a vertical starting signal applied to a first stage of the plurality of stages. The starting pad is disposed at the peripheral area and applies the vertical starting signal to the gate driving circuit. The first electrostatic dispersion portion is electrically connected to the starting pad. The first electrostatic dispersion portion disperses electrostatic applied to the gate driving circuit.Type: ApplicationFiled: October 21, 2010Publication date: September 29, 2011Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Hyung-Gi JUNG, Jeong-Young LEE, Sang-Hoon LEE
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Patent number: 8023053Abstract: In an active matrix for a liquid crystal display, including a plurality of pixel electrodes in an active zone, each of which can be addressed using one selection line among N selection lines and one data line among M data lines, a storage capacitor is connected to each pixel electrode in the matrix, and a line stabilization capacitor is provided for each selection line in the matrix. A first electrode of the stabilization capacitor is connected to the selection line and a second electrode is connected to a reference voltage. Such a structure may find application to active matrix type liquid crystal displays, particularly with integrated drivers.Type: GrantFiled: September 7, 2006Date of Patent: September 20, 2011Assignee: ThalesInventor: Thierry Kretz
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Patent number: 8018543Abstract: A liquid crystal display (LCD) panel including a first substrate, a second substrate, a liquid crystal layer, a sealant and an electrostatic protection structure is provided. The first substrate and the second substrate are disposed in parallel. The sealant is for sealing the liquid crystal layer between the first substrate and the second substrate. The electrostatic protection structure is disposed within a non-display area outside the sealant. The electrostatic protection structure includes a first line disposed on the first substrate and surrounding the edge of the first substrate.Type: GrantFiled: June 16, 2009Date of Patent: September 13, 2011Assignee: Wintek CorporationInventors: Chun-Kang Huang, Chun-Chieh Wu, Chia-Li Su
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Patent number: 8018542Abstract: A display substrate includes a base substrate, a conductive line on the base substrate, a switching element and a testing member. The switching element includes a first electrode formed on the semiconductor layer pattern and electrically connected to the conductive line, and a second electrode spaced apart from the first electrode and semiconductor layer pattern. The testing member includes a conductive line testing portion that is formed from the same layer as the conductive line and an electrode testing portion that is formed from the same layer as the first electrode. The conductive line testing portion and the electrode testing portion have substantially the same width as the conductive line and the first electrode, respectively. The testing member also includes a semiconductor layer testing portion. The display substrate lends itself to efficient manufacturing with reduced process time and cost.Type: GrantFiled: August 10, 2006Date of Patent: September 13, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Jung-Joon Park, Min-Wook Park, Dong-Hyeon Ki
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Patent number: 8018544Abstract: A flat panel display, having an anti-electrostatic configuration, comprising a plurality of gate lines and data lines formed on an insulating substrate having an emission region and a pad portion, an anti-electrostatic wire initially coupling the gate lines, and an anti-electrostatic circuit coupled to a data line. The anti-electrostatic wire between a gate line and an adjacent gate line is subsequently cut by an opening for cutting the anti-electrostatic wire to electrically isolate the respective gate lines.Type: GrantFiled: September 16, 2010Date of Patent: September 13, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Chang-Soo Kim, Chang-Su Seo
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Patent number: 8009240Abstract: Fringe field switching mode liquid crystal display (FFS LCD) devices are disclosed. A first substrate is disposed opposing a second substrate with a gap therebetween. A liquid crystal layer is interposed between the first and the second substrate. A gate line and data lines are formed on the first substrate in a matrix configuration and defining pixel areas. A counter electrode is disposed on each pixel area of the first substrate. A pixel electrode is disposed above the counter electrode with an insulating layer therebetween. The pixel electrode includes a plurality of parallel electrodes. Each electrode includes a first segment, a second segment, and a third segment, wherein the first segment has an included angle ? from the horizontal direction, the second segment has an included angle ? from the horizontal direction, and the first segment has an included angle ? from the horizontal direction.Type: GrantFiled: July 14, 2009Date of Patent: August 30, 2011Assignee: Hannstar Display Corp.Inventors: Chia-Te Liao, Shih-Min Chao, Tean-Sen Jen, Yun-Bok Lee, Chia-Hua Yu
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Patent number: 8004624Abstract: A Gate In Panel (GIP) type liquid crystal display device includes first and second substrates facing each other, an area between the first and second substrates including an active region for displaying images and a dummy region outside of the active region; a common line in a peripheral area of the dummy region of the first substrate; a GIP gate driver on one side of the dummy region of the first substrate; a GIP dummy gate driver in the dummy region between the common line and the GIP gate driver; signal lines that applying signals outputted from a timing controller to the GIP gate driver and the GIP dummy gate driver, the signal lines on the one side of the dummy region on the first substrate; and an electrostatic prevention circuit formed in the dummy region of the first substrate between the common line and the signal lines.Type: GrantFiled: December 19, 2006Date of Patent: August 23, 2011Assignee: LG Display Co., Ltd.Inventor: Wang-Seob Kil
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Patent number: 7986379Abstract: A data line and an amorphous silicon pattern are formed on a substrate. The first electrode pattern is extended from the data line and overlaps an edge of the amorphous silicon pattern. The second electrode pattern is made of the same metal as the first electrode pattern and overlaps the edge of the amorphous silicon pattern at an opposite side of the first electrode pattern. Edges of the first and the second electrode patterns are sharply formed so that a tunneling effect easily occurs through the amorphous silicon pattern. An indium-tin-oxide pattern for a capacitor is formed at the end of the second electrode pattern. The capacitor is formed between the ITO pattern and a common electrode.Type: GrantFiled: March 19, 2010Date of Patent: July 26, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Joo-Hyung Lee, Dong-Gyu Kim, Woon-Yong Park
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Patent number: 7973866Abstract: Fringe field switching mode liquid crystal display (FFS LCD) devices are disclosed. A first substrate is disposed opposing a second substrate with a gap therebetween. A liquid crystal layer is interposed between the first and the second substrate. A gate line and data lines are formed on the first substrate in a matrix configuration and defining pixel areas. A counter electrode is disposed on each pixel area of the first substrate. A pixel electrode is disposed above the counter electrode with an insulating layer therebetween. The pixel electrode includes a plurality of parallel electrodes. Each electrode includes a first segment, a second segment, and a third segment, wherein the first segment has an included angle ? from the horizontal direction, the second segment has an included angle ? from the horizontal direction, and the first segment has an included angle ? from the horizontal direction.Type: GrantFiled: October 5, 2010Date of Patent: July 5, 2011Assignee: Hannstar Display Corp.Inventors: Chia-Te Liao, Shih-Min Chao, Tean-Sen Jen, Yun-Bok Lee, Chia-Hua Yu
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Patent number: 7961262Abstract: A liquid crystal display (LCD) and a manufacturing method thereof. The LCD comprises a color filter substrate, an array substrate disposed opposite to the color filter substrate, and a liquid crystal layer sealed between the two substrates, wherein a conductive nano-particle is introduced between the two substrates.Type: GrantFiled: December 7, 2007Date of Patent: June 14, 2011Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.Inventors: Junguo Liu, Chun Bae Park, Tae Yong Eom, Hong Zhu
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Patent number: 7956945Abstract: An array substrate for a liquid crystal display device includes a substrate having a display region and a non-display region at a periphery of the display region; a gate line, a data line, a thin film transistor and a pixel electrode on the substrate and in the display region; a drive integrated circuit on the substrate and in the non-display region; first and second test pads at both sides of the drive integrated circuit, respectively; a common voltage line on the substrate and along edges of the non-display region; and first and second static electricity protecting units on the substrate and in the display region, the first static electricity protecting unit connecting the first test pad with the common voltage line, and the second static electricity protecting unit connecting the second test pad with the common voltage line.Type: GrantFiled: December 1, 2008Date of Patent: June 7, 2011Assignee: LG Display Co., Ltd.Inventor: Bung-Goo Kim
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Patent number: 7956946Abstract: A flat-panel display having simplified test architecture is disclosed for reducing substrate border area. The flat-panel display includes a plurality of data lines, a plurality of gate lines, a plurality of first conductive lines, a plurality of first one-way switching units, a plurality of second one-way switching units, a plurality of control units and a second conductive line. The gate lines are used to deliver gate signals for use in a test. Each first one-way switching unit functions to allow one-way signal transmission from a corresponding first conductive line to a corresponding gate line. Each second one-way switching unit functions to allow one-way signal transmission from a corresponding first conductive line to the second conductive line. The second conductive line is employed to deliver a corresponding gate signal furnished by a corresponding second one-way switching unit. Each control unit controls inputting of test data signals to one corresponding data line.Type: GrantFiled: February 26, 2009Date of Patent: June 7, 2011Assignee: AU Optronics Corp.Inventors: Tsung-Ying Yang, Kao-Hui Su
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Patent number: 7952653Abstract: A source electrode and a drain electrode on a silicon oxide film (31) each has a double-layered structure of an ITO film (32), a transparent electrode, and a metal film (33) formed on the ITO film (32). A gap (35), no source electrode and drain electrode region, is formed between the source electrode and the drain electrode. A silicon nitride film (34) (a gate insulating film) is formed on the source electrode and the drain electrode and in the gap (35). The silicon nitride film (34) is a first region D1 having a relatively large thickness and a second region D2 having a relatively small thickness. The region D2 of the silicon nitride film (34) is provided with an MIM structure. A gate bus layer (36) is formed on the silicon nitride film (34). An MIM structure is formed in the second region D2.Type: GrantFiled: December 14, 2004Date of Patent: May 31, 2011Assignee: TPO Hong Kong Holding LimitedInventor: Hideo Tanaka
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Patent number: 7952652Abstract: In a thin film transistor liquid crystal display (TFT-LCD), a connection is formed between the gate line and the common electrode line with TFTs. During scanning in one frame, a high voltage signal is applied to the pixels in a next row before the next row is turned on, i.e., a black image is inserted in the normal white mode. When the pixels in one row are in operation and the pixels in the next row are not turned on, a black image data is inserted into the next row. A high voltage is applied before the pixels in a row of the TFT-LCD are turned on, so that a black image is inserted and tailing of motion picture can be alleviated.Type: GrantFiled: August 9, 2010Date of Patent: May 31, 2011Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.Inventors: Wenbao Gao, Xinshe Yin, Xiangchun Xiao
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Patent number: 7944523Abstract: The present invention provides a liquid crystal display device capable of protecting a printed circuit board from electromagnetic interference. The LCD device of the present invention includes a LCD panel for presenting an image, a backlight assembly for illuminating light to the LCD panel, a bottom chassis for securing the LCD panel and the backlight assembly, a first printed circuit board seated on a rear surface of the bottom chassis for generating signals to be supplied to the LCD panel on the basis of externally input signals, a first connector coupled with a signal transfer film which provides the input signal of the first printed circuit board, a shield case made of a conductive material for protecting an upper surface of the first printed circuit board, and a first conductive adhesive member interposed between the first connector and the shield case for discharging an electromagnetic wave from the first connector to the shield case.Type: GrantFiled: July 2, 2007Date of Patent: May 17, 2011Assignee: Samsung Electronics Co.,Ltd.Inventors: Choong-Yull Kwak, Jae-Ho Jung, Dong-Sung Im, Sang-Won Lee
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Patent number: 7944228Abstract: In a mother substrate for a lower substrate, a substrate for a display panel and a method of manufacturing a display panel, the substrate for the display panel includes a lower substrate and an upper substrate facing the lower substrate. The lower substrate includes an inspection line that receives a first inspection signal externally provided, a gate driving part that outputs a second inspection signal in response to the first inspection signal from the inspection line, and a pixel part driven in response to the second inspection signal. The inspection line is disposed on a grinding area. Thus, the display panel may have an enhanced productivity and an improved yield, on which the gate driving part is formed.Type: GrantFiled: April 9, 2009Date of Patent: May 17, 2011Assignee: Samsung Electronics Co., Ltd.Inventor: Back-Won Lee
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Patent number: 7928946Abstract: The method of fine gradation display by an electro-optical device with little influence by difference in elemental devices, is disclosed, which is an object of the present invention. In case of an active matrix electro-optical device, a visual gradation display can be carried out by digitizing an analog image signal externally supplied by means of binary notation, by temporarily storing the digital signal thus obtained, by outputting the digital signal to a circuit of next step in a proper order, and by controlling the output timing of the signal so as to output the signal to the active matrix electro-optical device, and whereby digitally controlling the time for applying voltage to a picture element.Type: GrantFiled: September 15, 2004Date of Patent: April 19, 2011Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Akira Mase, Masaaki Hiroki, Yasuhiko Takemura
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Patent number: 7915070Abstract: A fabricating method of an organic light emitting display device including performing a sheet test as a sheet unit on a mother board formed with panels and sheet wires for supplying test signals to the panels on the mother board, the method including: forming drive elements for driving the panels in each of the panels and forming sheet wires electrically coupled to at least a portion of the drive elements and shorting bar electrically coupling all of the sheet wires; forming organic light emitting diodes in each of the panels and isolating the sheet wires from each other by etching open regions of the shorting bar apart from contact regions of the shorting bar for coupling the shorting bar to the sheet wires; performing the sheet test on the plurality of panels by supplying the test signals to the sheet wires; and separating the panels by scribing the mother board.Type: GrantFiled: May 5, 2009Date of Patent: March 29, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Hey-Jin Shin, Won-Kyu Kwak
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Patent number: 7903187Abstract: A static electricity preventing assembly for an electronic device, may include a substrate, a buffer layer on the substrate, the buffer layer including a plurality of contact holes exposing respective regions of the substrate, a shorting bar on the buffer layer, pad electrodes on the buffer layer, metal wiring lines on the buffer layer, wherein a first portion of each of the metal wiring lines may be electrically connected to the substrate through the contact holes, a second portion of each of the metal wiring lines may be connected to a respective one of the pad electrodes, and a third portion of each of the metal wiring lines may be connected to the shorting bar, wherein the first portion may be between the second portion and the third portion.Type: GrantFiled: December 8, 2006Date of Patent: March 8, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Hyun Soo Shin, Yeon Gon Mo, Jae Kyeong Jeong, Se Yeoul Kwon
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Patent number: 7903186Abstract: An electro-optical device includes, on a substrate, a plurality of pixel portions arranged in a pixel region; a peripheral circuit which is placed in a peripheral region located at a periphery of the pixel region, and controls the plurality of pixel portions; image signal lines that supply image signals; and ground potential lines that supply ground potentials to the peripheral circuit. The image signal lines are electrically connected to the ground potential lines via discharge resistors made of a film having a higher resistance than a conductive film constituting the image signal lines and the ground potential lines.Type: GrantFiled: January 9, 2006Date of Patent: March 8, 2011Assignee: Seiko Epson CorporationInventor: Masao Murade
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Patent number: 7889189Abstract: An electrooptic device includes: a plurality of parallel signal lines provided in a pixel array region in which a plurality of pixels is arrayed; a driving circuit electrically connected to a first end of each of the signal lines outside the pixel array region; and a protection circuit in which a diode device is electrically connected to a second end of the signal line, the diode device dissipating static electricity from the signal line. The resistance of the portion of the signal line from the center of the length to the driving circuit is higher than that of the portion of the signal line from the center to the diode device.Type: GrantFiled: November 5, 2007Date of Patent: February 15, 2011Assignee: Sony CorporationInventor: Shin Fujita
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Patent number: 7884891Abstract: In a thin film transistor liquid crystal display (TFT-LCD), a connection is formed between the gate line and the common electrode line with TFTs. During scanning in one frame, a high voltage signal is applied to the pixels in a next row before the next row is turned on, i.e., a black image is inserted in the normal white mode. When the pixels in one row are in operation and the pixels in the next row are not turned on, a black image data is inserted into the next row. A high voltage is applied before the pixels in a row of the TFT-LCD are turned on, so that a black image is inserted and tailing of motion picture can be alleviated.Type: GrantFiled: November 19, 2008Date of Patent: February 8, 2011Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.Inventors: Wenbao Gao, Xinshe Yin, Xiangchun Xiao
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Patent number: 7864254Abstract: An electrostatic discharge protection element, a liquid crystal display device having the same, and a manufacturing method. A first ESD organic TFT, a second ESD organic TFT, a third ESD organic TFT each have a gate electrode, a source electrode and a drain electrode in which the source electrode and drain electrode of the first and second ESD organic TFTs and the gate electrode of the third ESD organic TFT are electrically connected. The gate electrode and the source electrode of the first ESD organic TFT are electrically connected to a first array line and the gate electrode and the drain electrode of the second ESD organic TFT are electrically connected to a second array line. The source electrode of the third ESD organic TFT is electrically connected to a data line or a gate line and the drain of the third ESD organic TFT are electrically connected to a common voltage line.Type: GrantFiled: June 26, 2007Date of Patent: January 4, 2011Assignee: LG Display Co., Ltd.Inventors: Min Joo Kim, Ho Cheol Kang, Kyo Seop Choo
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Publication number: 20100321599Abstract: A liquid crystal display device and its fabricating method are discussed. According to an embodiment, the liquid crystal display at least one signal line disposed in a display area and extending to a non-display area located outside the display area, a common line crossing the signal line in the non-display area, at least one static electricity preventing element connected between the common line and the signal line in the non-display area, and at least one static electricity preventing auxiliary electrode projected towards the signal line from the static electricity preventing element in the non-display area.Type: ApplicationFiled: August 4, 2010Publication date: December 23, 2010Inventors: Seong Soo HWANG, Bung Goo KIM, Sang Ky JEON
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Patent number: 7847872Abstract: A liquid crystal display includes a plurality of pixel electrodes arranged in a matrix and having first and second sub-pixel electrodes differentiated in size from each other. First and second switching elements are connected to the first and second sub-pixel electrodes, respectively. First and second gate lines are connected to the first and second switching elements, respectively. A data line is connected to the first and second switching elements to transmit a data voltage. First and second gate shorting bars are connected to the first and second gate lines, respectively. The gate lines connected to the respective sub-pixels are connected to two or four gate shorting bars to allow an array test and a visual inspection test, and to thereby detect a bridge between respective sub-pixel electrode neighbors in a simplified manner.Type: GrantFiled: February 23, 2010Date of Patent: December 7, 2010Assignee: Samsung Electronics Co., Ltd.Inventor: Dong-Gyu Kim
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Patent number: 7839459Abstract: A flat panel display device includes a plurality of data lines spaced apart from each other on a substrate, power supply lines, and scan lines crossing the data lines and supply lines. First and second thin film transistors are each formed on the substrate and include a semiconductor layer, a gate insulation film, a gate electrode, a source electrode, and a drain electrode. At least one capacitor has a first electrode and a second electrode, and the first electrode is connected to the source or drain electrode of the first or second thin film transistor. An organic layer includes at least a light-emitting layer coupled to the second thin film transistor. An electrostatic discharge prevention unit is installed at an end the plurality of scan lines.Type: GrantFiled: November 15, 2005Date of Patent: November 23, 2010Assignee: Samsung Mobile Display Co., Ltd.Inventor: Keun-Soo Lee
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Patent number: 7834951Abstract: An EMI (electromagnetic interference) shielding film of a flat panel display device includes a mesh unit formed of conductive meshes that are intersected with each other, and a mesh frame for surrounding the mesh unit to support the mesh unit and to define an effective display area on a screen. Both the mesh unit and the mesh frame are formed integrally together by a base film which has PET (polyethylene terephthalate) and metal foil.Type: GrantFiled: September 20, 2006Date of Patent: November 16, 2010Assignee: LG Electronics Inc.Inventors: Kyung Ku Kim, Hong Rae Cha, Young Sung Kim, Myeong Soo Chang, Byung Gil Ryu
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Patent number: 7826000Abstract: An array substrate includes a base substrate, a dummy circuit section, a dummy pixel portion, an extended line, a common voltage line, and an overlap portion. Pixel portions are formed in a display area. The dummy circuit section is formed in a peripheral area to protect the pixel portions from static electricity. The dummy pixel portion is adjacent to the dummy circuit section. The dummy circuit section is in an electrically floating state. The extended line is extended from the dummy circuit section and electrically open with respect to the dummy pixel portion. The common voltage line is overlapped with the extended line of the dummy circuit section, the extended line being electrically open with respect to the display area, and thus the display area may be protected from the static electricity which flows into the dummy circuit section.Type: GrantFiled: January 3, 2007Date of Patent: November 2, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Ji-Suk Lim, Ae Shin
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Patent number: 7821606Abstract: A liquid crystal display device includes a liquid crystal display panel which is configured to hold a liquid crystal layer between an array substrate and a counter-substrate. The array substrate includes, on an insulating substrate, a switching element which is disposed in association with each of pixels, a pixel electrode which is connected to the switching element, and a common electrode which is separated from the pixel electrode and is common to the pixels. The counter-substrate includes a shield electrode disposed on an inner surface of an insulating substrate, which is opposed to the liquid crystal layer, and a dielectric layer disposed between the shield electrode and the liquid crystal layer.Type: GrantFiled: November 21, 2007Date of Patent: October 26, 2010Assignee: Toshiba Matsushita Display Technology Co., Ltd.Inventor: Takaharu Ogino
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Patent number: 7817216Abstract: A flat panel display, having an anti-electrostatic configuration, comprising a plurality of gate lines and data lines formed on an insulating substrate having an emission region and a pad portion, an anti-electrostatic wire initially coupling the gate lines, and an anti-electrostatic circuit coupled to a data line. The anti-electrostatic wire between a gate line and an adjacent gate line is subsequently cut by an opening for cutting the anti-electrostatic wire to electrically isolate the respective gate lines.Type: GrantFiled: March 2, 2005Date of Patent: October 19, 2010Assignee: Samsung Mobile Display Co., Ltd.Inventors: Chang-Soo Kim, Chang-Su Seo
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Patent number: 7817217Abstract: A liquid crystal display (LCD) device having electrostatic discharge (ESD) protection functionality is disclosed. The LCD device includes a flexible printed circuit board, an LCD panel, a lighting module, a first ESD protection unit, and a second ESD protection unit. The lighting module is disposed on the flexible printed circuit board. The first ESD protection unit is disposed in the LCD panel and is coupled between the first end of the lighting module and the ground of the flexible printed circuit board. The second ESD protection unit is disposed in the LCD panel and is coupled between the second end of the lighting module and the ground of the flexible printed circuit board.Type: GrantFiled: July 30, 2008Date of Patent: October 19, 2010Assignee: Au Optronics Corp.Inventors: Sue-Chen Lee, Tsang-Hsiang Tsai
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Publication number: 20100253868Abstract: The present invention relates to a metal pattern structure of restraining static damage of thin film transistor liquid crystal display. It includes a pattern discharge metal body; a pattern metal slice deposed opposite the pattern discharge metal body; and at least one pattern metal lump deposed between the pattern discharge metal body and the pattern metal slice and connected to the pattern metal slice. The present invention restrains the static damage of the pattern discharge metal body and the pattern metal slice, so as to avoid abnormal display picture like the phenomenon of the bright line.Type: ApplicationFiled: August 10, 2009Publication date: October 7, 2010Inventors: Tsu-Te Zen, Han-Tung Hsu
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Publication number: 20100238368Abstract: A display panel includes; a lower substrate including a display area which includes a pixel and a peripheral area surrounding the display area, the peripheral area including a first peripheral area, a second peripheral area, a third peripheral area and a fourth peripheral area, the lower substrate including; a signal line electrically connected to the pixel, an electrostatic control pattern disposed in the first peripheral area and which provides an electrostatic dissipation path, and a repair line disposed between the display area and the electrostatic control pattern and which is vertically aligned with the signal line, an upper substrate facing the lower substrate and a liquid crystal layer disposed between the lower substrate and the upper substrate.Type: ApplicationFiled: August 26, 2009Publication date: September 23, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yu-Jin KIM, Beom-Jun KIM, Sung-Man KIM
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Patent number: 7796202Abstract: A liquid crystal display device and its fabricating method are discussed. According to an embodiment, the liquid crystal display at least one signal line disposed in a display area and extending to a non-display area located outside the display area, a common line crossing the signal line in the non-display area, at least one static electricity preventing element connected between the common line and the signal line in the non-display area, and at least one static electricity preventing auxiliary electrode projected towards the signal line from the static electricity preventing element in the non-display area.Type: GrantFiled: December 14, 2006Date of Patent: September 14, 2010Assignee: LG Display Co., Ltd.Inventors: Seong Soo Hwang, Bung Goo Kim, Sang Ky Jeon
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Patent number: 7795684Abstract: An active device array substrate including a substrate, a plurality of pixel units, a plurality of first conductive lines, a plurality of second conductive lines, a lead line, at least one first electrostatic discharge protection circuit, and at least one second electrostatic discharge protection circuit is provided. The pixel units are arranged on the substrate. Additionally, the first conductive lines and the second conductive lines are disposed on the substrate and electrically connected to the pixel units respectively. Moreover, the lead line crosses the first conductive lines. The first electrostatic discharge protection circuit is disposed at one side of the lead line, and the second electrostatic discharge protection circuit corresponding to the first electrostatic discharge protection circuit is disposed at the other side of the lead line.Type: GrantFiled: November 24, 2006Date of Patent: September 14, 2010Assignee: Chunghwa Picture Tubes, LTD.Inventors: Chun-An Lin, Wen-Hsiung Liu
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Patent number: 7796203Abstract: A liquid crystal display device including gate wiring parts for supplying a scanning signal to switching elements formed in a matrix form in a display area, and source wiring parts for supplying a video signal to the switching elements, the liquid crystal display device having a plurality of inspection switching elements arranged in an area outside the display area, and connected to the gate wiring parts or the source wiring parts and a wiring part for electrically and mutually connecting source electrodes of the inspection switching elements by high resistance elements.Type: GrantFiled: February 7, 2008Date of Patent: September 14, 2010Assignee: Toshiba Matsushita Display Technology Co., Ltd.Inventors: Kazunori Hayakawa, Koji Nakayama
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Publication number: 20100225840Abstract: A grounding structure for a display device is provided. The grounding structure includes a substrate, a first connecting pad, a second connecting pad, a connecting structure and a grounding line. The first and second connecting pads are disposed on the substrate. The connecting structure electrically connects the first and second connecting pads. The first grounding line is disposed on the substrate, and has a length larger than two thirds of the projected length of the connecting structure on the surface of the substrate.Type: ApplicationFiled: September 16, 2009Publication date: September 9, 2010Applicant: HANNSTAR DISPLAY CORPORATIONInventors: Hsuan-Chen LIU, Sung-Chun LIN, Kun Cheng LEE, Chia Hua YU
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Patent number: 7791678Abstract: An active device array substrate including a substrate, scan lines, data lines, pixels, a bus line and voltage pull-down circuits is provided. The pixels disposed on intersections of the scan lines and the data lines are arranged in array on the substrate and are electrically connected to the scan lines and the data lines. Each of the voltage pull-down circuits including a transistor and an electrostatic discharge protection device is electrically connected between the scan line and the bus line correspondingly. Each transistor includes a source, a drain, and a gate electrically connected to a next scan line. Each gate is electrically connected to the scan line, the source, the drain and the bus line correspondingly through the electrostatic discharge protection device. The electrostatic discharge protection of the active device array substrate is enhanced effectively by the electrostatic discharge protection device.Type: GrantFiled: July 20, 2007Date of Patent: September 7, 2010Assignee: Au Optronics CorporationInventors: Lee-Hsun Chang, Shu-Fen Tsai, Yu-Wen Lin
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Patent number: 7781769Abstract: A transistor array panel includes switching elements provided in intersecting portions between gate and data lines, and display electrodes connected to the switching elements. A conductive film pattern is provided to be electrically insulated from the gate and data lines, and display electrodes, and to be overlapped on the display electrodes, thereby forming a storage capacitance between each of the display electrodes and the conductive film pattern. A protection circuit is electrically connected to the gate and data lines, and disposed in an outer peripheral portion of a display region in which the switching elements and the display electrodes are formed on the one side of the substrate. A common line is insulated from the protection circuit, connected to the conductive film pattern, and provided to be insulated from the protection circuit and to be at least partially overlapped on the protection circuit, in the outer peripheral portion of the display region.Type: GrantFiled: September 29, 2008Date of Patent: August 24, 2010Assignee: Casio Computer Co., Ltd.Inventor: Yayoi Nakamura
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Patent number: 7782411Abstract: An exemplary liquid crystal display (200) includes a liquid crystal panel (210), a driver (280), and a flexible printed circuit board (220). The liquid crystal panel includes an active area (230) and a peripheral non-active area. The driver is configured to drive the liquid crystal panel. The flexible printed circuit board includes at least one the ground line (222) electrically coupled to the ground. The non-active area includes an electrostatic guiding line (240) and a protection line (270). The electrostatic guiding line surrounds the active area, and is electrically coupled to the at least one the ground line via the driver. The protection line surrounds the electrostatic guiding line, and electrically coupled to the at least one the ground line directly.Type: GrantFiled: January 29, 2008Date of Patent: August 24, 2010Assignee: Chimei Innolux CorporationInventor: De-Ching Shie
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Publication number: 20100201899Abstract: A discharge detection circuit has an electrostatic discharge detector that has at least one of a first detector detecting a positive voltage surge and outputting a first detection signal and a second detector detecting a negative voltage surge and outputting a second detection signal, and outputs a detection signal indicating whether the surge is generated, based on at least one of the first detection signal and the second detection signal, and an external output terminal that outputs the detection signal.Type: ApplicationFiled: February 4, 2010Publication date: August 12, 2010Applicant: KABUSHIKI KAISHA TOSHIBAInventor: Ken Yamamoto
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Publication number: 20100201900Abstract: A display panel of a liquid crystal display device includes a first substrate including a display area (DA) having a plurality of pixel portions, and a peripheral area (PA) surrounding the display area. A second substrate of the display panel comprises a common electrode and an electrostatic protection member electrically disconnected from the common electrode and surrounding the common electrode. The electrostatic protection member is electrically connected to a fixed-voltage terminal through the first substrate. A liquid crystal layer is provided between the first substrate and the second substrate.Type: ApplicationFiled: February 4, 2010Publication date: August 12, 2010Inventors: Dong-Yub Lee, Seock-Cheon Song, Sung-Hee Lee
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Patent number: 7773164Abstract: An active device array substrate including a substrate, a plurality of pixel units, a plurality of driving lines, a plurality of common lines, an electrostatic discharge (ESD) protection circuit, and a plurality of switch elements is provided. The substrate has a display region and a peripheral region adjacent to the display region. The pixel units are arranged as an array in the display region of the substrate. The driving lines are disposed in the display region and the peripheral region and are electrically connected to the pixel units. The common lines are disposed in the display region and are extended into the peripheral region. The ESD protection circuit is disposed in the peripheral region of the substrate. The switch elements are disposed in the peripheral region, wherein each of the switch elements is electrically connected between one of the common lines and the ESD protection circuit.Type: GrantFiled: December 27, 2007Date of Patent: August 10, 2010Assignee: Chunghwa Picture Tubes, Ltd.Inventor: Yang-Hui Chang
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Publication number: 20100195011Abstract: The invention provides a substrate for a display which can be easily repaired even when there are problems such as inter-layer shorting attributable to invasion of static electricity. The substrate has a first wiring section disposed in a display area thereof and formed so as to outwardly extend from the inside of the display area. The substrate also has a second wiring section formed such that it intersects the first wiring section outside the display area on the substrate with an insulation film interposed between them. The substrate further has an opening formed in the second wiring section at least in a region thereof overlapping the first wiring section intersecting the same. Further, the substrate has overlapping portions formed at two ends of the opening where the first and second wiring sections overlap each other with the insulation film interposed between them.Type: ApplicationFiled: April 13, 2010Publication date: August 5, 2010Applicant: SHARP KABUSHIKI KAISHAInventors: Yoshinori Tanaka, Kenichi Nagaoka
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Patent number: 7768585Abstract: A display device includes a substrate having a display area and a non-display area. A plurality of pixel electrodes are arrayed in a matrix within the display area on the substrate. A plurality of display elements are arranged corresponding in position to the pixel electrodes. A plurality of switching thin-film transistors are connected respectively to the pixel electrodes. A plurality of scanning lines are provided to supply a scanning signal to the switching thin-film transistors. A plurality of data lines are provided to supply a data signal to the switching thin-film transistors. The non-display area of the substrate includes a driver forming area in which a driver for driving at least one of the scanning line and the data line is to be mounted, and a static-electricity protecting circuit is provided in the driver forming area.Type: GrantFiled: May 21, 2007Date of Patent: August 3, 2010Assignee: Casio Computer Co., Ltd.Inventor: Yayoi Nakamura
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Patent number: 7768590Abstract: A method of manufacturing an active matrix substrate prevents an increase in the number of production steps while simultaneously preventing electrostatic discharge at a TFT channel. The method preferably includes the steps of forming a short-circuit wiring for connecting a data signal line or a source electrode to a drain electrode or a drain side circuit; successively forming an upper insulating film having an opening for short-circuit wiring separation and a transparent conductive film at a region above the short-circuit wiring as upper layers of the short-circuit wiring; and removing at least the transparent conductive film inside the opening for short-circuit wiring separation and the short-circuit wiring below the opening for short-circuit wiring separation to perform patterning of the pixel electrode and separation of the short-circuit wiring in the same step.Type: GrantFiled: March 7, 2006Date of Patent: August 3, 2010Assignee: Sharp Kabushiki KaishaInventors: Toshifumi Yagi, Toshihide Tsubata
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Patent number: 7768601Abstract: A gate wire including a gate line and a gate electrode is formed on an insulating substrate of a TFT array panel. A semiconductor pattern made of amorphous silicon is formed on the gate insulating layer covering the gate wire. A data wire including a data line, a source electrode, and a drain electrode is formed on the semiconductor pattern or the gate insulating layer covering the gate wire. A part of the semiconductor pattern extends under the data line, and a light blocking member overlapping the semiconductor pattern under the data line is formed using the same layer as the gate wire. The light blocking member is to prevent light incident upon the substrate from a backlight from entering the amorphous silicon layers; therefore, the stripes of different brightness and waterfall phenomenon in which the stripes move up and down can be removed in an LCD using a backlight driven by a rectangular wave of ON/OFF signals outputted from inverter.Type: GrantFiled: September 18, 2008Date of Patent: August 3, 2010Assignee: Samsung Electronics Co., LtdInventor: Dong-Gyu Kim
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Patent number: 7768586Abstract: Disclosed is a method for fabricating a liquid crystal display.Type: GrantFiled: August 14, 2007Date of Patent: August 3, 2010Assignee: LG Display Co., Ltd.Inventors: So Haeng Cho, Hyun Sang Chung
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Publication number: 20100182524Abstract: A transverse-electric-field liquid crystal display apparatus includes a transparent conductive resin portion and an electrode portion. The transparent conductive resin portion is provided on a surface of a counter substrate of a liquid crystal panel. The electrode portion is provided on an electrode pad portion of the liquid crystal panel and electrically connected to the transparent conductive resin portion and also to a ground wire of a printed circuit board connected to the liquid crystal panel.Type: ApplicationFiled: January 8, 2010Publication date: July 22, 2010Inventor: Morikazu NOMURA
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Patent number: RE41873Abstract: A plurality of gate lines are formed on an insulating substrate in the horizontal direction, a gate shorting bar connected to the data lines is formed in the vertical direction and a gate insulating film is formed thereon. A plurality of data lines intersecting the gate lines are formed on the gate insulating film in the vertical direction, and a data shorting bar connected to the data lines is formed outside the display region. A first shorting bar is formed on the gate insulating film, located between the gate lines and the gate shorting bar, and connected to the odd gate lines. A second secondary shorting bar is formed parallel to the first shorting bar and connected to the even gate lines.Type: GrantFiled: December 29, 2006Date of Patent: October 26, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Sang-Kyoung Lee, Dong-Gyu Kim, Min-Hyung Moon