With Driving Circuit Having Input And Output Electrodes On Liquid Crystal Substrate Patents (Class 349/151)
-
Patent number: 8368076Abstract: To improve the reliability of contact with an anisotropic conductive film in a semiconductor device such as a liquid crystal display panel, a terminal portion of a connecting wiring on an active matrix substrate is electrically connected to an FPC by an anisotropic conductive film. The connecting wiring is made of a lamination film of a metallic film and a transparent conductive film. In the connecting portion with the anisotropic conductive film, a side surface of the connecting wiring is covered with a protecting film made of an insulating material, thereby exposure to air of the metallic film can be avoided.Type: GrantFiled: May 3, 2012Date of Patent: February 5, 2013Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Shunpei Yamazaki
-
Patent number: 8363195Abstract: A liquid crystal display panel (10) includes: an active-matrix substrate (not illustrated), a counter substrate (not illustrated), liquid crystals sandwiched between the active-matrix substrate and the counter substrate; and a plurality of pixels (P) arranged in rows and columns. Each of the rows is provided with a plurality of gate signal lines (12) for supplying scanning signals having different pulse widths from each other, and the pixels of the same row are divided into a plurality of groups according to which of the gate signal lines (12) the pixels are connected to.Type: GrantFiled: June 9, 2010Date of Patent: January 29, 2013Assignee: Sharp Kabushiki KaishaInventor: Yohsuke Yokoyama
-
Patent number: 8363197Abstract: The occurrence of the poor electric connection between the outer circuit and the liquid crystal display device can be reduced in the manufacturing method of the outer circuit and liquid display device of this invention. The liquid crystal display device has the pixel region 100P and the outer connection region 107. There are the gate metal layer 15 disposed on the gate insulating film 12, the interlayer insulating film 16 covering the gate metal layer 15, the first conductive layer 19 covering the gate metal layer 15 located on the interlayer insulating film 16, the passivation film 20 with the second opening 22 exposing the part of the first conductive layer 19 that covers the gate metal layer 15, and the second conductive layer 26 covering the first conductive layer 19 exposed from the second opening 22 in the outer connection region. The metal bump 50 of the outer circuit is connected on the second conductive layer 26 through thermal pressure treatment.Type: GrantFiled: September 25, 2008Date of Patent: January 29, 2013Assignee: Sony CorporationInventors: Hiroshi Matsuda, Hideki Kawada
-
Patent number: 8355106Abstract: A display panel includes a first substrate having a pixel thin film transistor thereon and a second substrate opposing the first substrate. The first substrate further includes a first insulation substrate having a display region in which the pixel thin film transistor is formed and a non-display region that encloses the display region, gate lines formed in the display region and electrically connected to the pixel thin film transistor, a driving part, including a driving thin film transistor, located in the non-display region and driving the pixel thin film transistor, and a dummy semiconductor layer formed in a peripheral area of the driving part.Type: GrantFiled: December 11, 2007Date of Patent: January 15, 2013Assignee: Samsung Display Co., Ltd.Inventors: Min-Kyung Jung, Yong-Koo Her
-
Patent number: 8351208Abstract: An electro-optical device may include: an electro-optical panel, a holding member that includes a main body part arranged to surround the periphery of the electro-optical panel, and a holding part protruded from the main body part and holding the electro-optical panel, and a heat radiating member that is disposed opposing the electro-optical panel through an opening of the holding member from the opposite side of the light incident plane of the electro-optical panel.Type: GrantFiled: February 11, 2011Date of Patent: January 8, 2013Assignee: Seiko Epson CorporationInventors: Hidekazu Hirabayashi, Yoshitaka Hama
-
Patent number: 8351010Abstract: Disclosed herein is a liquid crystal module having a liquid crystal display panel, and a backlight unit disposed on a back surface of the liquid crystal display panel. The liquid crystal display panel has a flexible printed wiring circuit substrate for a liquid crystal display panel. The backlight unit has a light guiding plate, a light emitting diode for emitting a light, a flexible printed wiring circuit substrate for a light emitting diode, and a case in which the light guiding plate and the flexible printed wiring circuit substrate for a light emitting diode are accommodated. The flexible printed wiring circuit substrate for a liquid crystal display panel extends along a side surface of the case. The flexible printed wiring circuit substrate for a light emitting diode has a derivation portion.Type: GrantFiled: February 18, 2011Date of Patent: January 8, 2013Assignee: Sony CorporationInventors: Takashi Koyama, Hideo Takahashi
-
Patent number: 8351009Abstract: A display panel is connected to a wiring-mounted board on which a signal supply wiring that supplies wiring supplies signals for driving the display panel is mounted. The wiring-mounted board has (i) first and second wires extending toward the display panel, and (ii) first and second terminals that are connected to the first and second wires, respectively. The display panel has a first short-circuit wire that is connected to the first and second wires at a connecting part of the display panel and the wiring-mounted board, so as to short-circuit the first and second wires.Type: GrantFiled: June 22, 2009Date of Patent: January 8, 2013Assignee: Sharp Kabushiki KaishaInventors: Yasuhiro Wakita, Seiji Muraoka, Hidetaka Mizumaki
-
Patent number: 8345210Abstract: A gate signal transmission circuit structure is provided which is disposed on a peripheral circuit region of a display panel and includes at least a driver bonding pad, at least a transmission line and a plurality of connection lines. The transmission line is disposed around the driver bonding pad. The connection lines are connected between the driver bonding pad and the transmission line, wherein a plurality of holes exist between the connection lines, and the thickness of each connection line is substantially the same as the thickness of the transmission line.Type: GrantFiled: May 26, 2010Date of Patent: January 1, 2013Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Kai-Ting Chang, Han-Tung Hsu
-
Patent number: 8345211Abstract: A display panel includes a plurality of display lines provided in each of blocks and extending in parallel with each other, a plurality of drive circuits provided outside a display region and connected to the display lines in the respective blocks, a plurality of first lines provided outside the display region and intersecting end portions closer to the drive circuits of the display lines in the respective blocks, the first lines being insulated from the display lines, and a second line provided outside the display region and intersecting end portions farther from the drive circuits of the display lines of all the blocks, the second line being insulated from the display lines. The second line is configured to intersect the first lines while being insulated from the first lines, and be supplied with a display signal from each of the drive circuits via an amplifier circuit.Type: GrantFiled: July 3, 2009Date of Patent: January 1, 2013Assignee: Sharp Kabushiki KaishaInventors: Tadatoshi Ozeki, Takaharu Yamada, Masahiro Yoshida, Kazuyori Mitsumoto
-
Patent number: 8339531Abstract: A display device in which a pixel voltage is held at low power consumption without any influence from fluctuation in threshold voltage is provided. A liquid crystal capacitor element (Clc) is formed between a pixel electrode (20) and a counter electrode (80). A counter voltage (Vcom) is applied to the counter electrode (80). The pixel electrode (20), one ends of a first switch circuit (22) and a second switch circuit (23), and a first terminal of a second transistor (T2) form an internal node (N1). The other end of the first switch circuit (22) is connected to a source line (SL). The second switch circuit (23) has the other end connected to a voltage supply line (VSL) and is a series circuit of transistors (T1 and T2). A control terminal of the transistor (T1), a second terminal of the transistor (T2), and one end of the boost capacitor element (Cbst) form an output node (N2).Type: GrantFiled: July 22, 2010Date of Patent: December 25, 2012Assignee: Sharp Kabushiki KaishaInventor: Yoshimitsu Yamauchi
-
Patent number: 8339562Abstract: Using thin film transistors (TFTs), an active matrix circuit, a driver circuit for driving the active matrix circuit or the like are formed on one substrate. Circuits such as a central processing unit (CPU) and a memory, necessary to drive an electric device, are formed using single crystalline semiconductor integrated circuit chips. After the semiconductor integrated circuit chips are adhered to the substrate, the chips are connected with wirings formed on the substrate by a chip on glass (COG) method, a wire bonding method or the like, to manufacture the electric device having a liquid crystal display (LCD) on one substrate.Type: GrantFiled: October 21, 2009Date of Patent: December 25, 2012Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Yasuhiko Takemura
-
Patent number: 8339563Abstract: The disclosed LCOS device comprises a transparent composite plate, a planar liquid crystal cell, a base plate which contains an active matrix driving circuitry. In the basic embodiment, the planar liquid crystal cell comprises a conductive seal ring which encloses liquid crystal filling and connects the transparent conductive layer underneath the transparent composite plate with the base plate and the active matrix driving circuitry. In the extended embodiment, the base plate further incorporates a set of thru-substrate via and backside bond pads. The set of thru-substrate via electrically connect a set of input-output pads of the active matrix driving circuitry to the bottom bond pads underneath the base plate. In addition, the conductive seal ring electrically connects the transparent conductive film placed underneath the transparent front plane plate, preferably made of glass, to the active matrix driving circuitry on the base plate.Type: GrantFiled: September 20, 2010Date of Patent: December 25, 2012Assignee: Shanghai Lexvu Opto Microelectronics Technology Co., LtdInventor: Herb He Huang
-
Patent number: 8334961Abstract: Electrooptical displays require conductors on both sides of the liquid crystal thin film. The two conductors face opposite sides of the display. The cost of electrically connecting to these displays can be decreased by having the conductors of the display all face the same side of the display. This invention includes a technique to allow both conductors to face the same side of the display.Type: GrantFiled: September 10, 2009Date of Patent: December 18, 2012Assignee: Kent Displays IncorporatedInventors: Erica N. Montbach, Mark Lightfoot, Todd C. Ernst
-
Patent number: 8334535Abstract: To provide a wireless identification semiconductor device provided with a display function, which is capable of effectively utilizing electric power supplied by an electromagnetic wave. The following are included: an antenna; a power source generating circuit electrically connected to the antenna; an IC chip circuit and a display element electrically connected to the power source generating circuit; a first TFT provided in the power source generating circuit; a second TFT provided in the IC chip circuit; a third TFT provided in the display element; an insulating film provided to cover the first to third TFTs; a first source electrode and a first drain electrode, a second source electrode and a second drain electrode, and a third source electrode and a third drain electrode which are formed over the insulating film; and a pixel electrode electrically connected to the third source electrode or the third drain electrode.Type: GrantFiled: December 22, 2006Date of Patent: December 18, 2012Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Hajime Tokunaga
-
Patent number: 8330925Abstract: A display panel includes a first substrate, a pixel array, a peripheral circuit, a first protection layer, a second protection layer, a display medium, and a second substrate. The first substrate array has a display area and a peripheral area, wherein the pixel array is disposed in the display area, the peripheral circuit is disposed in the peripheral area, and the pixel array and the peripheral circuit are electrically connected. The first protection layer is disposed on the display area and the peripheral area to cover the pixel array and the peripheral circuit. The second protection layer is at least disposed on the first protection layer within the peripheral area. Here, the second protection layer includes a color filter material layer, a black matrix material layer, a photo spacer material layer, or a combination thereof. The second substrate is disposed above the first substrate to expose the peripheral area.Type: GrantFiled: February 17, 2009Date of Patent: December 11, 2012Assignee: Au Optronics CorporationInventors: Yi-Tsun Lin, Chun-Jen Chiu, Yen-Heng Huang
-
Patent number: 8330927Abstract: The present invention relates to a display device including a substrate, a display signal line disposed on the substrate, a contact assistant disposed on the pad region of the substrate as a draw-out terminal of the display signal line, a driver IC chip disposed on the substrate and connected to the display signal line through the contact assistant, and a testing thin film transistor disposed between the substrate and the driver IC chip. The testing thin film transistor and the display signal line are connected to each other.Type: GrantFiled: August 20, 2008Date of Patent: December 11, 2012Assignee: Samsung Display Co., Ltd.Inventors: Yong-Koo Her, Yong-Han Park
-
Patent number: 8319718Abstract: Disclosed is a gate printed circuit board, a connector-free liquid crystal display (LCD) panel assembly, a driving-signal timing module included in the liquid crystal display (LCD) panel assembly, and a method of driving the liquid crystal display (LCD) panel assembly. According to the present invention, since a separate connector and a gate printed circuit board of a conventional LCD panel is not required for applying a gate-driving signal generated from an external information processing device, a thickness and the number of parts of the LCD device is reduced. Further, when the gate-driving signal is transmitted through the TFT substrate, the voltage Voff for maintaining a thin-film transistor (TFT) in a turned-off state is modified so that users may not recognize the imbalance in brightness.Type: GrantFiled: August 6, 2007Date of Patent: November 27, 2012Assignee: Samsung Display Co., Ltd.Inventor: Sin-Gu Kang
-
Patent number: 8319931Abstract: Certain embodiment of the invention discloses a new gate driver structure suitable for TFT (Thin Film Transistor) display apparatuses, comprising a gate driver having at least one channel for outputting voltage signals; a switch circuit for controlling the outputted voltage signals from the gate driver; and a TFT substrate wherein the gate driver and the switch circuit are positioned on the substrate.Type: GrantFiled: September 22, 2006Date of Patent: November 27, 2012Assignee: Himax Technologies LimitedInventors: Ming-Yeong Chen, Yao-Hwei Lee, Shou Kai Chiu
-
Patent number: 8319932Abstract: A wiring board of the present invention (1) is arranged so that: pads (30) arranged in a plurality of rows include: first-row pads (30a) connected to first metal wires (10a) among metal wires (10); and second-row pads (30b) connected to second metal wires (10b) among the metal wires (10), the first metal wires (10a) being longer than the second metal wires (10b); each of the first metal wires (10a) is formed so as to be separated from a corresponding one of the second-row pads (30b) by at least an insulating layer, and so as to have a widthwise center in a lower region below the corresponding second-row pad (30b); and each of the first metal wires (10a) has widthwise edges provided, in a plan view, beyond widthwise edges of a corresponding one of the second-row pads (30b) in a region in which the first metal wire (10a) overlaps with the corresponding second-row pad (30b).Type: GrantFiled: July 17, 2008Date of Patent: November 27, 2012Assignee: Sharp Kabushiki KaishaInventors: Takashi Matsui, Motoji Shiota
-
Patent number: 8314917Abstract: In a gate in panel (GIP) type liquid crystal display (LCD) device in which a gate driver is directly mounted within a thin film transistor array substrate, a column spacer structure of a GIP circuit part has the same diamond structure as a gap spacer structure of an active region, and a dummy color filter pattern is formed at the GIP circuit part to have the same step as the active region where the cap spacers are positioned to thus prevent a cell gap deficiency between the GIP circuit part and the active region.Type: GrantFiled: June 25, 2009Date of Patent: November 20, 2012Assignee: LG Display Co., Ltd.Inventors: Seung-Yeon Hwang, Jin Her
-
Patent number: 8305542Abstract: A thin film transistor array substrate comprises thin film transistors and pixel electrodes formed at respective pixels that are defined by gate lines and data lines that orthogonally intersect each other. The thin film transistor array substrate further comprises a plurality of gate pad units that group a plurality of gate pads extended from the gate lines, and a plurality of data pad units that groups a plurality of data pads extended from the data lines. The thin film transistor array substrate further includes a plurality of gate test terminals connected to the gate pad units and beside at least one side of the respective gate pad units, and a plurality of data test terminals connected to the data pad units and located beside at least one side of the respective data pad units.Type: GrantFiled: July 11, 2011Date of Patent: November 6, 2012Assignee: LG Display Co., Ltd.Inventors: Dong Woo Kang, Soung Yeoul Eom, Bong Chul Kim, Ki Soub Yang
-
Patent number: 8305546Abstract: A method of fabricating a liquid crystal display device includes forming a gate driver and array elements in at least one cell area of a mother substrate while forming a test element in at least one test area of the mother substrate, and inspecting the test element to determine an operational state of the gate driver.Type: GrantFiled: December 18, 2006Date of Patent: November 6, 2012Assignee: LG Display Co., Ltd.Inventor: Sang-Ky Jeon
-
Patent number: 8300035Abstract: A display device includes a display panel, a printed circuit board, a plurality of semiconductor devices which are film-like substrates with an IC chip, and a monolithic anisotropic conductive film disposed on the printed circuit board. Each of the semiconductor devices has a first side portion and a second side portion opposite to the first side portion. The first side portion is connected to the printed circuit board via the monolithic anisotropic conductive film, and the second side portion is connected to the display panel. Further the first side portion of each of the semiconductor devices is respectively connected at separated portions of the monolithic anisotropic conductive film.Type: GrantFiled: June 10, 2009Date of Patent: October 30, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Kazuhiro Ogawa, Kazuhiko Yanagawa
-
Patent number: 8300201Abstract: A pixel TFT formed in a pixel region is formed on a first substrate by a channel etch type reverse stagger type TFT, and patterning of a source region and a drain region, and patterning of a pixel electrode are performed by the same photomask. A driver circuit formed by using TFTs having a crystalline semiconductor layer, and an input-output terminal dependent on the driver circuit, are taken as one unit. A plurality of units are formed on a third substrate, and afterward the third substrate is partitioned into individual units, and the obtained stick drivers are mounted on the first substrate.Type: GrantFiled: August 8, 2011Date of Patent: October 30, 2012Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Jun Koyama, Yasuyuki Arai, Hideaki Kuwabara
-
Patent number: 8289492Abstract: An electro-optical device includes an electro-optical panel including a pair of first panel alignment marks having a first shape and a pair of second panel alignment marks having a second shape; a first circuit substrate provided with a first circuit substrate alignment mark which is represented by the first shape in plan view; and a second circuit substrate provided with a second circuit substrate alignment mark which is represented by the second shape in plan view.Type: GrantFiled: November 16, 2010Date of Patent: October 16, 2012Assignee: Seiko Epson CorporationInventor: Munehide Saimen
-
Patent number: 8289491Abstract: A liquid crystal display device includes a p-type driving thin film transistor and an n-type driving thin film transistor in a non-display region of a substrate. The p-type driving thin film transistor includes a first polycrystalline semiconductor pattern, a first gate electrode, a first source electrode and a first drain electrode. The n-type driving thin film transistor includes a second polycrystalline semiconductor pattern, a second gate electrode, a second source electrode and a second drain electrode. The liquid crystal display device further includes a gate line and a data line in a display region of the substrate and that cross each other to define a pixel region, and a pixel thin film transistor connected to the gate line and the data line. The pixel thin film transistor also includes a third polycrystalline semiconductor pattern, a third gate electrode, a third source electrode and a third drain electrode.Type: GrantFiled: June 8, 2006Date of Patent: October 16, 2012Assignee: LG Display Co., Ltd.Inventors: Sook-Woo Lee, Yung In Park
-
Patent number: 8284353Abstract: A display panel having a display region and a non-display region is provided. The display panel includes a first substrate, a second substrate and a display medium between the first substrate and the second substrate. The substrate has a pixel array, a plurality of lead lines, an organic layer and a conductive pattern thereon. The pixel array is disposed within the display region. The lead lines are disposed within the non-display region and electrically connected to the pixel array. The organic layer covers the pixel array and the lead lines. The conductive pattern is disposed on the organic layer in the lead lines. The second substrate has an electrode layer thereon, and the electrode layer is disposed within the display region and the non-display region. In particular, the electrode layer and the conductive pattern are electrically connected to a common voltage.Type: GrantFiled: December 15, 2009Date of Patent: October 9, 2012Assignee: Au Optronics CorporationInventors: Yen-Heng Huang, Chung-Kai Chen, Chia-Hui Pai, Wei-Yuan Cheng, Wen-Hsien Tseng, Ting-Yi Cho, Chin-An Tseng
-
Publication number: 20120249920Abstract: In an element substrate of a liquid crystal device, a peripheral electrode to which a potential Vtrap different from a common potential Vcom applied to a dummy pixel electrode and the like is applied is formed in a peripheral region which is interposed by an image display region and a sealing material. The peripheral electrode extends along the sealing material through the outside of the outside end of a data line driving circuit portion, and the outside end of a scanning line driving circuit portion, and does not intersect a data line and a scanning line.Type: ApplicationFiled: March 26, 2012Publication date: October 4, 2012Applicant: Seiko Epson CorporationInventors: Hiroyuki Hara, Tomoki Yokota
-
Patent number: 8279390Abstract: In a display device forming a board for mounting a connector which allows inputting of video data thereon and a board for mounting a display control circuit to be connected to the connector thereon on a surface of a display module opposite to an observation side, the board for mounting the connector thereon and the board for mounting the display control circuit thereon are physically separated from each other and, further, an area of the board for mounting the display control circuit thereon is set smaller than an area of the board for mounting the connector thereon.Type: GrantFiled: June 9, 2009Date of Patent: October 2, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Yoshihiro Imajo, Kazuhiko Yanagawa
-
Patent number: 8269710Abstract: An electro-optical device includes red, green, and blue sub pixels and red, green, and blue data lines connected to the corresponding sub pixels. Red, green, and blue sampling switches are provided in a peripheral region and are electrically connected to data lines of the corresponding color. The green sampling switch is located at a position that is closer to the pixel region than are the red or blue sampling switches.Type: GrantFiled: February 13, 2009Date of Patent: September 18, 2012Assignee: Seiko Epson CorporationInventor: Junichi Masui
-
Patent number: 8264655Abstract: The electro-optic device of the present invention includes an arrangement of an electro-optic panel and a lenticular lens sheet on one side of the electro-optic panel, wherein the lenticular lens sheet includes multiple cylindrical lenses arrayed parallel to one another and an alignment line extending in such a direction as to intersect with the cylindrical lenses at a predetermined angle. The lenticular lens sheet has cylindrical lenses arrayed so that the longitudinal direction of the cylindrical lenses intersects with the pixel array direction of the electro-optic panel at a predetermined angle, and has an alignment line formed in the lenticular lens sheet that is in alignment with the positioning reference portions of the electro-optic panel.Type: GrantFiled: March 17, 2010Date of Patent: September 11, 2012Assignee: Seiko Epson CorporationInventors: Takashi Shinohara, Goro Hamagishi
-
Patent number: 8259276Abstract: An active device array substrate includes a substrate, a pixel array, a peripheral circuit, and a number of marks. The substrate has an active area and a peripheral circuit area that is connected to the active area. The pixel array is disposed on the active area of the substrate. The peripheral circuit is disposed on the peripheral circuit area of the substrate. Besides, the peripheral circuit includes a number of driver bonding pads, a number of fan-out lines, and a number of connecting lines. The fan-out lines are electrically connected to the pixel array. Each of the connecting lines connects one of the driver bonding pads and one of the fan-out lines. Additionally, the connecting lines are arranged in different pitches. Each of the marks is disposed between two adjacent connecting lines.Type: GrantFiled: February 10, 2009Date of Patent: September 4, 2012Assignee: Au Optronics CorporationInventors: Kuei-Sheng Tseng, Hsiang-Pin Fan, Ming-Chang Shih
-
Patent number: 8258513Abstract: A thin film transistor matrix device including an insulating substrate and a plurality of lines arranged on the substrate. The lines are defined as odd-number-th lines alternating with even-number-th lines. A first connection line extends in a direction transverse to the plurality of lines. The first connection line and the odd-number-th lines are configured and arranged to be electrically connected to each other. A second connection line extends in a direction transverse to the plurality of lines. The second connection line and the even-number-th lines are configured and arranged to be electrically connected to each other. The first connection line and the second connection line are both formed on the same side of an image display region, when considered in plan view.Type: GrantFiled: April 29, 2010Date of Patent: September 4, 2012Assignee: Sharp Kabushiki KaishaInventors: Hidaki Takizawa, Shougo Hayashi, Takeshi Kinjo, Makoto Tachibanaki, Kenji Okamoto
-
Patent number: 8258515Abstract: To improve the reliability of contact with an anisotropic conductive film in a semiconductor device such as a liquid crystal display panel, a terminal portion (182) of a connecting wiring (183) on an active matrix substrate is electrically connected to an FPC (191) by an anisotropic conductive film (195). The connecting wiring (183) is manufactured in the same process with a source/drain wiring of a TFT on the active matrix substrate, and is made of a lamination film of a metallic film and a transparent conductive film. In the connecting portion with the anisotropic conductive film (195), a side surface of the connecting wiring (183) is covered with a protecting film (173) made of an insulating material.Type: GrantFiled: March 21, 2011Date of Patent: September 4, 2012Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Shunpei Yamazaki
-
Patent number: 8250730Abstract: In the disassembling method of a display device of the present invention, the display device has a display panel, and metal plate unit having a panel member formed of a chassis member disposed on the back surface of the display panel and a circuit board as an electric circuit member attached to the chassis member through an attaching member. The disassembling method has a mounting step of mounting metal plate unit on stage whose tilt angle can be adjusted by mechanism section and a cutting step of cutting the attaching member in parallel with the surface of stage with saw blade that abuts on the attaching member by the own weight of metal plate unit based on the tilt angle of stage.Type: GrantFiled: October 14, 2008Date of Patent: August 28, 2012Assignee: Panasonic CorporationInventors: Yoshiyuki Tani, Hiroshi Iwamoto
-
Patent number: 8253914Abstract: A liquid crystal display (LCD) is provided that comprises a rearward LCD substrate sheet that has an array of vias formed, where the vias provide electrical conduction between both sides of the rearward LCD substrate sheet. The number of vias in the array is substantially equal to or at least equivalent to a combination of a number of column drive lines and a number of row drive lines. The respective drive lines are connected to a corresponding via, such as on one side of the rearward LCD substrate sheet, and respective patterned conductors are connected to a corresponding via, such as on the other side of the rearward LCD substrate sheet. The patterned conductors provide a connection between respective drive lines and one or more corresponding drivers. In one example, this allows a “full bleed” display to be generated.Type: GrantFiled: June 23, 2010Date of Patent: August 28, 2012Assignee: Microsoft CorporationInventors: James T. Kajiya, John Turner Whitted
-
Patent number: 8249294Abstract: A driving system that drives an electro-optic device including a plurality of pixel electrodes, a counter electrode, a plurality of storage capacitor elements, and an electro-optic material is provided. The driving system includes a supply circuit that selectively supplies voltage to first and second ends of capacitor elements corresponding to a first horizontal line. A switching circuit is also provided that switches, in sequence every predetermined period, each of the voltages to be supplied to the second end of the capacitor elements from a first voltage to a second voltage or from the second voltage to the first voltage. A control circuit electrically connects the second end of the first storage capacitor elements and to each other before the voltage switched by the switching circuit is supplied to the second end of at least one of the storage capacitor elements.Type: GrantFiled: October 20, 2008Date of Patent: August 21, 2012Assignee: Epson Imaging Devices CorporationInventor: Masayuki Koga
-
Patent number: 8248569Abstract: A display device includes a display panel, and a semiconductor chip having plural bump electrodes and mounted on a substrate constituting the display panel. The plural bump electrodes include a first bump electrode arranged in the vicinity of a center for a longitudinal direction of the semiconductor chip, and a second bump electrode arranged in the vicinity of an end portion in the longitudinal direction of the semiconductor chip. The semiconductor chip has one or more than one conductive layer inside. Assuming that a surface of the semiconductor chip having the bump electrodes formed thereon is a lower side, the number of the conductive layers formed on the second bump electrode is greater than the number of the conductive layers formed on the first bump electrode. The conductive layer formed on the first and the second bump electrode includes a dummy conductive layer.Type: GrantFiled: November 16, 2010Date of Patent: August 21, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Hironobu Isami, Tatsuo Makishima
-
Patent number: 8243220Abstract: It is an object to provide a highly reliable display device. It is a feature an IC is over a substrate and a material layer having the same height is thereover. An IC is provided on one side of the substrate, and a material layer having the same height as the IC is provided on at least another side. Further, an IC is provided on one side of the substrate, and material layers having the same height as the IC are provided on the other sides. Further, an IC is provided on one side of the substrate, and a material layer having the same height as the IC is provided at a corner of the substrate.Type: GrantFiled: March 25, 2011Date of Patent: August 14, 2012Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Hajime Kimura
-
Patent number: 8243245Abstract: A BSC macrostructure for three-dimensional wiring includes a BSC (boundary scan cell) and an aperture electrode for electrode connection which is connected to the BSC.Type: GrantFiled: March 17, 2008Date of Patent: August 14, 2012Assignee: Liquid Design Systems Inc.Inventor: Seisei Oyamada
-
Patent number: 8237904Abstract: A driving circuit and a common electrode are located within a sealant region of the first substrate, wherein the driving circuit includes switch devices and turn-line structures. The common electrode is located within the sealant region of the first substrate. The planar layer is located on the first substrate, wherein the thickness of the planar layer at the turn-line structure of the driving circuit is less than the thicknesses of other portions. The conductive layer is located on the planar layer. A second substrate having an electrode thereon is disposed opposite to the first substrate. A liquid crystal layer is located within the display region between the first substrate and the second substrate. A sealant is located within the sealant region between the first substrate and the second substrate, and conductive balls are distributed in the sealant.Type: GrantFiled: December 26, 2011Date of Patent: August 7, 2012Assignee: Au Optronics CorporationInventors: Maw-Song Chen, Kuo-Yu Huang, Te-Chun Huang
-
Patent number: 8233128Abstract: A liquid crystal display (LCD) module includes: a liquid crystal panel; a backlight unit that is below the liquid crystal panel and that includes a reflector, a light guide plate, at least one optical sheet and a light emitting diode (LED) assembly, wherein the LED assembly includes a plurality of LEDs and an LED printed circuit board (PCB), and wherein the LED PCB includes a first region on which the plurality of LEDs are mounted, and a second region is soldered with a flexible printed circuit (FPC) to supply power to the plurality of LEDs; a main supporter that is made of an insulating material, that surrounds the liquid crystal panel and the backlight unit, and that includes a placement portion, on which the liquid crystal panel is, and a hole into which a top portion of the second region is inserted; a bottom case that is made of metal and that is coupled with the main supporter, wherein a portion of the bottom case facing the soldered portion of the LED PCB is removed; and a top case that is made of metaType: GrantFiled: June 24, 2010Date of Patent: July 31, 2012Assignee: LG Display Co., Ltd.Inventor: Ok-Hwan Kim
-
Patent number: 8233127Abstract: An object of the present invention is to reduce a lateral width of an FPC also with evenly aligned and arranged plurality of ICs. The liquid crystal display device according to the present invention includes a glass substrate, a plurality of ICs of COG (Chip On Glass) configuration aligned on a glass substrate along a side thereof, and an FPC (Flexible Printed Circuit) that is arranged to extend along the side of the glass substrate and that is connected to the plurality of ICs. Specified ICs from among the plurality of ICs are arranged in that extending directions of their longer sides are inclined with respect to an extending direction of the side of the glass substrate such that the longer sides face towards a central side of the FPC.Type: GrantFiled: December 1, 2008Date of Patent: July 31, 2012Assignee: Mitsubishi Electric CorporationInventor: Tomohiro Tashiro
-
Patent number: 8222644Abstract: A fan-out unit which can control a resistance difference among channels with efficient space utilization and a thin-film transistor (TFT) array substrate having the fan-out unit are presented. The fan-out unit includes: an insulating substrate; a first wiring layer which is formed on the insulating substrate and connected to a pad; a second wiring layer which is formed on the insulating substrate and connected to a TFT; and a resistance controller which is connected between the first wiring layer and the second wiring layer and includes a plurality of first resistors extending parallel to the first wiring layer and a plurality of second resistors extending perpendicular to the first resistors and alternately connecting to the first resistors, wherein the first resistors are longer than the second resistors.Type: GrantFiled: December 14, 2009Date of Patent: July 17, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Sung-Hoon Yang, So-Woon Kim, Yeon-Ju Kim, So-Hyun Lee, Kwang-Hoon Lee, Mun-Soo Park, Jung-Hyeon Kim
-
Patent number: 8223289Abstract: Using thin film transistors (TFTs), an active matrix circuit, a driver circuit for driving the active matrix circuit or the like are formed on one substrate. Circuits such as a central processing unit (CPU) and a memory, necessary to drive an electric device, are formed using single crystalline semiconductor integrated circuit chips. After the semiconductor integrated circuit chips are adhered to the substrate, the chips are connected with wirings formed on the substrate by a chip on glass (COG) method, a wire bonding method or the like, to manufacture the electric device having a liquid crystal display (LCD) on one substrate.Type: GrantFiled: September 24, 2010Date of Patent: July 17, 2012Assignee: Semiconductor Energy LaboratoryInventors: Shunpei Yamazaki, Yasuhiko Takemura
-
Patent number: 8223291Abstract: A liquid crystal display (LCD) which can prevent electronic elements from being short-circuited due to a detachment of a printed circuit board (PCB). The LCD includes a liquid crystal panel which displays an image, a first container which is disposed below the liquid crystal panel and includes one or more first protrusions that are formed on an outer surface of a sidewall of the first container, a printed circuit board (PCB) which is electrically connected to the liquid crystal panel via a plurality of connection elements, wherein the PCB is held to the sidewall of the first container, and includes one or more coupling holes that respectively correspond to and receive the first protrusions. The LCD includes a second container which covers the periphery of the liquid crystal panel, the first container and the PCB and the second container includes one or more second protrusions that are formed on a sidewall of the second container and respectively correspond to the first protrusions.Type: GrantFiled: June 23, 2008Date of Patent: July 17, 2012Assignee: Samsung Electronics Co., Ltd.Inventor: Jung-Ki Kim
-
Patent number: 8223307Abstract: A liquid crystal display device with a display region and a non-display region surrounding the display region, the liquid crystal display device comprising: a first substrate; a second substrate which faces the first substrate; and a liquid crystal layer which is interposed between the first substrate and the second substrate, the first substrate comprising: a first insulating substrate; gate and data lines which are formed on the first insulating substrate and intersecting each other; a pixel thin film transistor formed on the display region and electrically connected to the gate and data lines; a pixel electrode electrically connected to the pixel thin film transistor; a gate driver formed on the non-display region and connected to the gate line to drive the gate line; and a direct current (DC)/DC converter formed on the non-display region and comprises a converter thin film transistor and a capacitance part; the capacitance part includes: a first capacitance part which comprises a first electrode, a firstType: GrantFiled: January 23, 2008Date of Patent: July 17, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Kyung-hoon Kim, Keun-woo Park, Kook-chul Moon, Pil-mo Choi, Chul-ho Kim, Ho-suk Maeng, Sang-hoon Lee
-
Patent number: RE43505Abstract: A segment electrode group 10 is passed through a lower side portion of a sealing resin 7 to be connected to a connection terminal group for segment electrode 8. A connection terminal group for common electrode 6 is juxtaposed to the connection terminal group for segment electrode 8 along the lower side portion of the sealing resin 7. The connection terminal group for common electrode 6 is connected to a wiring pattern 5 through the lower side portion of the sealing resin 7. The wiring pattern 5 passes through an area between a right side portion of the sealing resin 7 and a display area 3 to be connected to a conduction portion between substrates Q1. The conduction portion between substrates Q1 contains numerous conductive particles so as to electrically connect the wiring pattern 5 and a common electrode group 4 to each other. By this arrangement, downsizing of a liquid crystal display device can be accomplished.Type: GrantFiled: April 19, 2006Date of Patent: July 10, 2012Assignee: Kyocera CorporationInventors: Shinji Asakura, Toshirou Motomura, Hiromi Fukuoka
-
Patent number: RE43575Abstract: A liquid crystal display (LCD) panel includes a substrate, a plurality of parallel control lines on the substrate, and a bonding pad area on the substrate having a plurality of bonding pads therein. A respective one of a plurality of interconnecting conductors connect a respective bonding pad of the bonding pad area to a respective one of the plurality of parallel control lines, each of the plurality of interconnecting conductors having a uniform resistance. According to embodiments of the invention, an interconnecting conductor of the plurality of interconnecting conductors may include a material selected to provide the uniform resistance. The interconnecting conductor may include a first portion including a first material having a first resistivity and a second portion including a second material having a second resistivity different from the first resistivity. The first and second portions may have respective first and second lengths selected to provide the uniform resistance.Type: GrantFiled: August 14, 2002Date of Patent: August 14, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Byoung-Sun Na, Dong-Gyu Kim, Woon-Yong Park
-
Patent number: RE43684Abstract: A liquid crystal display includes gate lines, data lines intersecting with the gate lines to define sub-pixels, and a transmission part including transmission lines connected with the data lines to transmit data signals, where at least one pair of the transmission lines are arranged to cross each other, some of the transmission lines cross each other so that a sequence of data signals applied to the data lines can be changed, any of the transmission lines is opened at a crossing point of the transmission lines and the opened portion is connected by a separate conductor, thereby insulating the transmission lines crossing each other from each other, and an additional process for connecting the opened portion is not needed, thereby simplifying a fabrication process for the liquid crystal display.Type: GrantFiled: January 20, 2011Date of Patent: September 25, 2012Assignee: Samsung Electronics Co., Ltd.Inventor: Dong-Gyu Kim