Patents Examined by Julie-Huyen L. Ngo
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Patent number: 7808602Abstract: A liquid crystal display (LCD) includes a first substrate, a second substrate, and a sealing member. The sealing member is sandwiched between the first and second substrates, and forms a perimeter encircling a display area of the LCD device. After delivery of at least one drop of liquid crystal, any excessive liquid crystal trapped within the perimeter is discharged through an opening broken in the sealing member. The opening is plugged to enclose an amount of liquid crystal within the perimeter.Type: GrantFiled: October 19, 2007Date of Patent: October 5, 2010Assignee: Chimei Innolux CorporationInventors: Chih-Chang Hou, Chun-Chin Huang
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Patent number: 7808601Abstract: A liquid crystal display (LCD) device includes a first substrate, a second substrate, and a sealing member. The sealing member is sandwiched between the first and second substrates, and forms a perimeter encircling a display area of the LCD device. After delivery of at least one drop of liquid crystal, any excessive liquid crystal trapped within the perimeter is discharged through a discharge port in the sealing member. The discharge port is plugged with a sealant.Type: GrantFiled: October 19, 2007Date of Patent: October 5, 2010Assignee: Chimei Innolux CorporationInventors: Chih-Chang Hou, Chun-Chin Huang
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Patent number: 7808576Abstract: The present invention provides a backlight of a liquid crystal display device having an inclination surface on a light guide plate and preventing a breakage of a liquid crystal panel, wherein light which leaks from the inclination surface is made to return to the light guide plate and the adhesiveness of the light guide plate and a flexible printed circuit board is increased. In a liquid crystal display device having a backlight which radiates light to a liquid crystal panel, LEDs are formed on a light guide plate formed on the backlight as light emitting elements. Between the plurality of light emitting elements, a projecting portion of the light guide plate is formed, and a reflection member is formed on an adhesive sheet which adheres a projection member and a flexible printed circuit board to each other.Type: GrantFiled: August 16, 2007Date of Patent: October 5, 2010Assignees: Hitachi Displays, Ltd., Hitachi Display Devices, LtdInventors: Yoshiaki Takahashi, Hiroshi Nakamoto, Hidehiro Hanada
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Patent number: 7808600Abstract: An LCD device for repairing to prevent gravity defects by forming a dual seal pattern in a non-display area of an LCD panel and storing surplus liquid crystal in an area between the dual seal patterns, which includes a liquid crystal panel including first and second substrates bonded to each other, and having a display area and non-display area, first and second seal patterns surrounding the display area and spaced apart from each other on the non-display area between the first and second substrates and defining a buffer space therebetween and a metal pattern formed on the first substrate under the first seal pattern, wherein the metal pattern is deformed by laser irradiation to form a path for liquid crystal to flow between the buffer space and the display area.Type: GrantFiled: December 20, 2006Date of Patent: October 5, 2010Assignee: LG. Display Co., Ltd.Inventor: Sun Ah Lee
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Patent number: 7796211Abstract: An exemplary backlight module (20) includes a light guide plate (250) including a light incident surface (251), a frame (280) accommodating the light guide plate and including a side wall (281), light emitting units (270) adjacent to the light incident surface of the light guide plate, and elastic members (240). The elastic members are detachably engaged with the side wall of the frame. Each elastic member is configured to elastically urge a corresponding light emitting unit such that the light emitting unit abuts the light incident surface of the light guide plate. In other examples, each elastic member elastically urges the side wall of the frame, or elastically urges the light guide plate. A liquid crystal display device using the backlight module is also provided.Type: GrantFiled: September 4, 2007Date of Patent: September 14, 2010Assignee: Chimei Innolux CorporationInventor: Chih-Chia Yu
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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: 7787099Abstract: The present invention relates to an alignment film printing mask, and more particularly, to a jig for an alignment film printing mask. A jig according to the present invention includes a plurality of supporting members each having at least one bent portion, arranged at regular intervals along a width direction of the alignment film printing mask for supporting the alignment film printing mask, at l one connection member for connecting the supporting members, and fastening units for securing the alignment film printing mask supported by the supporting members.Type: GrantFiled: December 30, 2005Date of Patent: August 31, 2010Assignee: LG Display Co., Ltd.Inventor: Cheol Joo Moon
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Patent number: 7787072Abstract: A liquid crystal display device includes a liquid crystal display module, a circuit board, and a shield case. The circuit board is mounted on the liquid crystal display module and has a socket for receiving a power supply plug. The shield case includes an offset portion on a rear part to contain the circuit board. An opening formed with holding members for securing the socket is provided at the offset portion.Type: GrantFiled: September 4, 2007Date of Patent: August 31, 2010Assignees: Innocom Technology (Shenzhen) Co., Ltd., Chimei Innolux CorporationInventors: Rui-Ye Shen, Su-Sheng Mong, Te-Hsu Wang
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Patent number: 7782414Abstract: A method for fabricating an LCD device includes forming an alignment layer and an overcoat layer substantially simultaneously. The method includes, coating a mixture of an alignment layer material and an overcoat layer material on a substrate and at least partially separating the overcoat layer material and the alignment layer material by the curing the mixture.Type: GrantFiled: December 17, 2007Date of Patent: August 24, 2010Assignee: LG Display Co., Ltd.Inventors: Hyun Sang Chung, Young Suk Park
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Patent number: 7777833Abstract: A double-side illumination apparatus includes a light source, an isotropic light guide plate including an incident plane on which light emitted from the light source is incident, an opposite plane facing the incident plane, and upper and lower surfaces through which the light is out-coupled. Isotropic micro-structures are formed on the upper and lower surfaces of the isotropic light guide plate, respectively, and first and second anisotropic layers are respectively formed on the upper and lower surfaces of the isotropic light guide plate so as to completely cover the isotropic micro-structures. Herein, the first and second anisotropic layers have different refractive indices with respect to light having first and second polarization components that are perpendicular to each other.Type: GrantFiled: August 24, 2007Date of Patent: August 17, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Seong-mo Hwang, Dong-ho Wee, Seung-ho Nam
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Patent number: 7773166Abstract: Provided are an organic semiconductor structure and a method of manufacturing the same, an organic thin film transistor (OTFT) using the organic semiconductor structure and a method of manufacturing the OTFT, and a display apparatus using the same.Type: GrantFiled: December 14, 2006Date of Patent: August 10, 2010Assignee: LG Display Co., Ltd.Inventors: Nack Bong Choi, Min Joo Kim
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Patent number: 7768605Abstract: A display stack-up (300) is provided for a mobile electronic device (100) having an internal and external display, for example, a clamshell style mobile phone. The display stack-up comprises a backlight unit (114) and an external display device (110) having bi-stable optical states. The external display device (110) is placed in contact with, and is optically coupled to, the backlight unit (114). The display stack-up further comprises an internal display device (106) which is placed in contact with, and is optically coupled to, the external display device (110).Type: GrantFiled: June 30, 2006Date of Patent: August 3, 2010Assignee: Motorola, Inc.Inventor: Robert D. Polak
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Patent number: 7768587Abstract: An array substrate for a liquid crystal display device includes a substrate, a gate line on the substrate, a data line crossing the gate line to define a pixel region, a thin film transistor including a gate electrode, an active layer, an ohmic contact layer, a buffer metallic layer, a source electrode and a drain electrode, the thin film transistor being electrically connected to the gate line and the data line and a pixel electrode in the pixel region and connected to the thin film transistor, wherein the active layer is disposed over and within the gate electrode.Type: GrantFiled: December 14, 2006Date of Patent: August 3, 2010Assignee: LG Display Co., Ltd.Inventors: Chang-Bin Lee, Byung-Kook Choi
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Patent number: 7764346Abstract: A liquid crystal display device comprising: a peripheral electrode 31 that is formed around the outside of a display region 1a on a liquid crystal panel 1 and that generates an orientation state that is equivalent to that of the display region 1a; and an inverted electrode 32 that is formed around the outside of the peripheral electrode 31 and that generates an orientation state that has polarity opposite to that of the display region 1a; wherein the peripheral electrode 31 and the inverted electrode 32 have bipectinate construction and are arranged on both sides of a non-oriented buffer region 33. Orientation defects that are generated in a seal are trapped inside the buffer region 33 due to the existence of the peripheral electrode 31 and inverted electrode 32 that have different growth directions, so the orientation defects do not intrude into the display region 1a.Type: GrantFiled: September 7, 2007Date of Patent: July 27, 2010Assignee: Fujitsu LimitedInventors: Shinji Tadaki, Yoshinori Kiyota, Toshiaki Yoshihara, Hironori Shiroto, Tetsuya Makino, Keiichi Betsui
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Patent number: 7733446Abstract: The present invention intends to provide a manufacturing method of a semi-transmissive liquid crystal display device in which method a structure and manufacturing process thereof are simplified to enable to reduce the manufacturing cost. In order to achieve the above object, a semi-transmissive liquid crystal display device in the invention has a layer constitution in which a reflective pixel electrode is formed with a second conductive film that constitutes a source electrode, a drain electrode, a source wiring and so on and on an upper layer of the second metal film a transmissive pixel electrode made of a transparent conductive film is formed through the insulating film. A TFT array substrate can be formed through 5 times of photoengraving process.Type: GrantFiled: March 30, 2005Date of Patent: June 8, 2010Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Yuichi Masutani, Shingo Nagano, Takuji Yoshida, Nobuaki Ishiga, Kazunori Inoue
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Patent number: 7728942Abstract: A brighter active matrix type liquid crystal electro-optical device with a higher contrast, yet having a wider visual angle is realized, said liquid crystal electro-optical device comprises a liquid crystal layer and means for applying an electric field to the liquid crystal layer in the direction parallel to the substrate, wherein the liquid crystal layer comprises a liquid crystal material dispersed in a polymer material. Also a liquid crystal electro-optical device comprising a liquid crystal layer disposed on a substrate is included, wherein the transmission mode or the dispersion mode of an incident light is selected by an electric field applied to the liquid crystal layer in the direction parallel to the liquid crystal layer.Type: GrantFiled: August 18, 2006Date of Patent: June 1, 2010Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yoshiharu Hirakata, Takeshi Nishi, Rumo Satake
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Patent number: 7705923Abstract: A polarizer integrated with a transparent conductive film for a liquid crystal display includes a lower film an optical film and a transparent conductive film. A touch panel integrated with the polarizer is formed by attaching an upper sheet to the upper surface of the polarizer integrated with a transparent conductive film. A flat panel display with an integral type touch panel includes a touch panel integrated with the flat panel display having a lower polarizer, a liquid crystal display and an upper polarizer.Type: GrantFiled: February 26, 2009Date of Patent: April 27, 2010Assignees: LG Display Co., Ltd., LG Chemical Co. Ltd.Inventors: Yun Cheol Jeong, Young Soo Ahn, Jang Youl Rhee, Byoung Hyun Jeong
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Patent number: 7705945Abstract: A switching element is formed on a substrate disposed proximate a liquid crystal layer. A two layer insulation film is formed on the substrate, including a lower film and an upper film. The two layer insulation film overlays the switching element. A convex/concave structure is formed on an upper surface of the two layer insulation film by removing portions of the upper film. A reflection electrode is formed on a surface of the convex/concave structure.Type: GrantFiled: July 10, 2006Date of Patent: April 27, 2010Assignees: NEC Corporation, NEC LCD Technologies, LtdInventors: Hiroshi Kanou, Yuichi Yamaguchi, Hironori Kikkawa
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Patent number: 7705937Abstract: An IPS-mode transflective LCD device includes an array of pixels each including a reflective region and a transmissive region juxtaposed. The reflective region operates in a normally-white mode, and the transmissive region operates in a normally-black mode. A common data signal is supplied to the reflective region and transmissive region, whereas the common electrode signal in the transmissive region is an inverted signal of the common electrode signal in the reflective region, to thereby obtain similar gray-scale levels.Type: GrantFiled: June 29, 2006Date of Patent: April 27, 2010Assignee: NEC LCD Technologies, Ltd.Inventors: Michiaki Sakamoto, Jin Matsushima, Hiroshi Nagai, Kenichi Mori, Hidenori Ikeno, Yasuki Kudo, Ken Sumiyoshi
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Patent number: RE41632Abstract: The present invention discloses a method of manufacturing a liquid crystal display device including a first photolithography process forming a gate electrode on a substrate; a second photolithography process including: a) depositing sequentially a gate insulating layer, first and second semiconductor layers, and a metal layer; b) applying a first photoresist on the metal layer; c) aligning a first photo mask with the substrate; d) light exposing and developing the first photoresist to produce a first photoresist pattern; e) etching the metal layer using a first etchant, the first etchant ashing the first photoresist pattern on a predetermined portion of the metal layer to produce a second photoresist pattern, thereby exposing the predetermined portion of the metal layer; and f) etching the gate insulating layer, the first and second semiconductor layer, and the predetermined portion of the metal layer using a second etchant according to the second photoresist pattern to form source and drain electrodes, an ohType: GrantFiled: November 16, 2007Date of Patent: September 7, 2010Assignee: LG Display Co., Ltd.Inventors: Kwangjo Hwang, Changwook Han