Patents Examined by Wen-Ying P. Chen
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Patent number: 8194204Abstract: A liquid crystal panel according to the present invention includes a backlight portion emitting light having a brightness distribution in a horizontally oblong oval shape assuming that a longitudinal direction of a panel is a horizontal direction; a first polarizer; a liquid crystal cell; an optical compensation layer having a refractive index profile of nx>ny>nz; and a second polarizer, in this order from a backlight side. According to the present invention, a liquid crystal panel having remarkably excellent contrast in an oblique direction, small light leakage in a black display and a small color shift is provided.Type: GrantFiled: April 20, 2006Date of Patent: June 5, 2012Assignee: Nitto Denko CorporationInventors: Nao Murakami, Hiroyuki Yoshimi
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Patent number: 8194197Abstract: A display device includes a first layer having an optically active display portion, a second layer including a photovoltaic element, and a third layer including electronics operatively coupled to the first layer, wherein the electronics are configured to drive the optically active display portion. Further, the second layer is arranged between the first and third layers.Type: GrantFiled: April 13, 2010Date of Patent: June 5, 2012Assignee: Sharp Kabushiki KaishaInventors: Allan Evans, Stephen Day, Sunay Shah, Patrick Zebedee, Lesley Parry-Jones, Gareth Nicholas
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Patent number: 8189132Abstract: A liquid crystal display having a repair circuit structure and an array substrate of the liquid crystal display are provided. Each of the repair lines of the repair circuit comprises a front repair line portion arranged to cross with a front data line portion in a substantially perpendicular manner, an end repair line portion arranged to cross with an end data line portion in a substantially perpendicular manner, and an intermediate repair line portion connecting the front and end repair line portions. At least two repair lines in the end repair line portion are positioned in different layers so that a parasitic capacitance between respective repair lines in the repair circuit structure can be reduced and signal transmission quality can be ensured.Type: GrantFiled: July 21, 2008Date of Patent: May 29, 2012Assignee: Infovision Optoelectronics (Kunshan) Co., Ltd.Inventors: Te-Chen Chung, Tean-Sen Jen
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Patent number: 8184255Abstract: A display panel includes a first substrate, a second substrate, a seal and at least one block. The second substrate is disposed opposite to the first substrate. The seal is disposed between the first substrate and the second substrate and has a first side and a second side. The first side has at least one liquid crystal inlet and connects in approximately perpendicular to the second side. The block is disposed between the first substrate and the second substrate and adjoins the first side of the seal. The block is disposed between the liquid crystal inlet and the connection of the first side and the second side. A method for fabricating a display panel is also disclosed herein.Type: GrantFiled: April 29, 2010Date of Patent: May 22, 2012Assignee: AU Optronics CorporationInventors: Yao-Hsin Hsu, Bing-Hung Chen
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Patent number: 8179494Abstract: A liquid crystal display having a repair line structure and an array substrate of the liquid crystal display are provided. The repair line comprises a front repair line portion arranged to at least partially overlap a front portion of a first signal line, an end repair line portion arranged to at least partially overlap an end portion of the first signal line, and an intermediate repair line portion electrically connecting the front and end repair line portions. The front repair line portion comprises at least a first signal connection line and an external line which are electrically isolated when the repair line has not been used to repair a defect in the first signal line.Type: GrantFiled: July 17, 2008Date of Patent: May 15, 2012Assignee: Infovision Optoelectronics (Kunshan) Co., Ltd.Inventors: Te-Chen Chung, Tean-Sen Jen
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Patent number: 8179484Abstract: The present invention provides a display medium which prevents a decrease in reflectance during storage at high temperatures, and a writing apparatus using the display medium. A photoconductive layer 24, a selective light transmission layer 22, and a liquid crystal layer 20 are laminated between substrates 12 and 14, which have electrodes 16 and 18, respectively, to form a display medium 10. The selective light transmission layer 22 as a color layer is composed of a deionized material. The ion concentration of the selective light transmission layer 22 is controlled to be within a predetermined range.Type: GrantFiled: June 23, 2008Date of Patent: May 15, 2012Assignee: Fuji Xerox Co., Ltd.Inventors: Hideo Kobayashi, Masaaki Araki, Takehito Hikichi, Takeo Kakinuma, Naoki Hiji, Chikara Manabe, Motohiko Sakamaki, Hiroe Okuyama, Shigeru Yamamoto
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Patent number: 8174652Abstract: To provide a production method of a liquid crystal display device and a liquid crystal display device, in which generation of a joint line on a display screen is suppressed and yield can be improved even if a substrate is subjected to an alignment treatment by completing exposure for the substrate through several exposures in a liquid crystal display device including pixels each having two or more domains.Type: GrantFiled: December 3, 2010Date of Patent: May 8, 2012Assignee: Sharp Kabushiki KaishaInventors: Iichiro Inoue, Hiroyuki Hakoi, Shinichi Terashita, Koichi Miyachi
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Patent number: 8169586Abstract: A liquid crystal display panel is disclosed, including: a first substrate; a second substrate opposite to the first substrate; a plurality of first, second and third spacers disposed between the first substrate and the second substrate, the distribution density of the first spacers being larger than that of the second spacers and the distribution density of the third spacers being larger than that of the first spacers. The liquid crystal display panel can effectively reduce image display defects caused by the gravity mura, the press mura and the push mura.Type: GrantFiled: July 18, 2008Date of Patent: May 1, 2012Assignee: Infovision Optoelectronics (Kunshan) Co., Ltd.Inventors: Te-Chen Chung, Tean-Sen Jen, Chia-Te Liao
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Patent number: 8164726Abstract: It is an object to provide a high-visibility antireflection film having an antireflection function which can further reduce reflection and a display device that has the antireflection film. A plurality of projections in a pyramidal shape (hereinafter, referred to as pyramidal projection) that are adjacent to each other are provided, and the refractive index of the projection is made to change by the physical pyramidal shape to the outer side (air side) from a surface of a display screen, so that reflection of light is prevented. In addition, the plurality of pyramidal projections are each covered with a film formed of a material having a higher refractive index than the pyramidal projections.Type: GrantFiled: December 5, 2007Date of Patent: April 24, 2012Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yuji Egi, Jiro Nishida, Takeshi Nishi
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Patent number: 8149359Abstract: A display panel, a display device, and a terminal device, which can achieve a high image quality by decreasing deterioration of the image quality that may be caused due to combining a reflection plate including an uneven structure with an image distributing device, are provided. The display panel includes a lenticular lens for distributing light emitted from each of pixels towards different directions from each other along an arranging direction (a first direction) of a pixel for displaying an image for a first viewpoint and a pixel for displaying an image for a second viewpoint within a pixel unit, wherein a reflection plate including an uneven structure is formed in each of the pixels, and a layout pattern of the uneven structure on the reflection plate is different to the lenticular lens.Type: GrantFiled: July 18, 2011Date of Patent: April 3, 2012Assignee: NEC LCD Technologies, LtdInventor: Shinichi Uehara
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Patent number: 8144292Abstract: The main object of the present invention is to provide a color filter for a transflective type color liquid crystal display which is easily produced and capable of displaying the same color tone with both of a reflecting light and a transmitting light, and shows light scattering in a reflective light region.Type: GrantFiled: April 18, 2011Date of Patent: March 27, 2012Assignee: Dai Nippon Printing Co., Ltd.Inventors: Masayuki Sugawara, Mitsuru Iida, Ryutaro Harada, Tomohisa Ishizawa
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Patent number: 8144303Abstract: A liquid crystal apparatus includes: a liquid crystal panel having a pair of substrates and including a display area; and a case body having an opening in an area corresponding to the display area of the liquid crystal panel and being attached to the liquid crystal panel, in which the case body includes: a plurality of panel-shaped members having a laminated structure including a clearance in the direction of the thickness of the liquid crystal panel, openings provided at portions on the side of one side of the liquid crystal panel and on the side of the other side thereof opposing the one side corresponding to the clearance, a diaphragm formed in the clearance of the plurality of panel-shaped members from the side of the one side toward the side of the other side.Type: GrantFiled: December 11, 2008Date of Patent: March 27, 2012Assignee: Seiko Epson CorporationInventors: Koichi Terao, Tsuyoshi Obikawa
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Patent number: 8130343Abstract: The main object of the present invention is to provide a color filter for a transflective type color liquid crystal display which is easily produced and capable of displaying the same color tone with both of a reflecting light and a transmitting light, and shows light scattering in a reflective light region.Type: GrantFiled: June 21, 2010Date of Patent: March 6, 2012Assignee: Dai Nippon Printing Co., Ltd.Inventors: Masayuki Sugawara, Mitsuru Iida, Ryutaro Harada, Tomohisa Ishizawa
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Patent number: 8125604Abstract: A liquid crystal display device includes a first substrate; a second substrate which faces the first substrate and comprises a common electrode; and a liquid crystal layer located between the first and second substrates, the first substrate comprises: a data line and a gate line which cross each other; and a pixel electrode which is bent at least once and comprises a first sub-pixel electrode and a second sub-pixel electrode which are separated from each other, the first sub-pixel electrode is extended along the direction of the data line, the second sub-pixel electrode comprises a first part located on the right side of the first sub-pixel electrode and a second part located on the left side of the first sub-pixel electrode, and the data line comprises a first data line passing through the first part and a second data line passing through the second part.Type: GrantFiled: October 31, 2007Date of Patent: February 28, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Seong-young Lee, Sahng-ik Jun, Dong-gyu Kim
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Patent number: 8125600Abstract: A liquid crystal display device including first and second substrates which are arranged to be opposite to each other; liquid crystal with negative dielectric anisotropy contained between the first and the second substrates; a polymer which determines directions in which liquid crystal molecules tilt when voltage is applied: and a plurality of picture elements located on the first substrate. At least one of the picture elements on the first substrate includes a switching element; a first sub picture element electrode including a plurality of band-shaped microelectrode parts and a first connecting electrode part electrically connecting the microelectrode parts of the first sub picture element electrode with one another; and a second sub picture element electrode including a plurality of band-shaped microelectrode parts and a second connecting electrode part electrically connecting the microelectrode parts of the second sub picture element electrode with one another.Type: GrantFiled: December 27, 2010Date of Patent: February 28, 2012Assignee: Sharp Kabushiki KaishaInventors: Yohei Nakanishi, Kunihiro Tashiro, Katsufumi Ohmuro, Kazutaka Hanaoka, Jin Hirosawa, Norio Sugiura, Kengo Kanii, Shota Makimoto, Naoto Kondo, Isao Tsushima, Tomonori Tanose, Takashi Takagi, Tetsuya Fujikawa
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Patent number: 8120728Abstract: The invention relates to a polarizing plate comprising at least a polarizing layer having a K value as defined by the following expression of from 0.25 to 0.75; K=(kx?kz)/(kx?ky) wherein axes which are orthogonal to each other in a plane of the polarizing layer are an x-axis and a y-axis; an axis which is orthogonal to an x-y axis plane is a z-axis; and kx, ky and kz are an absorption coefficient along the x-axis, y-axis and z-axis directions, respectively.Type: GrantFiled: June 29, 2009Date of Patent: February 21, 2012Assignee: FUJIFILM CorporationInventors: Ryo Nakamura, Hiroshi Takeuchi, Mitsuyoshi Ichihashi, Yukito Saitoh
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Patent number: 8115895Abstract: An optical compensation film comprising a light absorbing layer capable of absorbing at least light of wavelength ? nm in the visible light region is disclosed. The light absorbing layer has absorption anisotropy, light absorption coefficient kz(?) in the direction normal to the surface of layer (in the direction of z-axis), with respect to light of wavelength ? nm in the visible light region, being larger than in-plane (x-y plane) light absorption coefficients kx(?) and ky(?); and the light absorbing layer has the larger degree of absorption anisotropy at the light of longer wavelength. A liquid crystal display device employing the film is also disclosed.Type: GrantFiled: June 29, 2009Date of Patent: February 14, 2012Assignee: FUJIFILM CorporationInventors: Yukito Saitoh, Mitsuyoshi Ichihashi
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Patent number: 8111351Abstract: The disclosure relates to the backlight unit for preventing the optical sheet from cracking and the liquid crystal display using the backlight unit. The backlight unit comprises a light having a plurality of light sources; a bottom cover housing the light and having a first protrusion; a support side engaging to both open ends of the bottom cover to support the light and having a second protrusion; an optical sheet disposing on the light and including a first hook having a first elliptical hole for inserting the first protrusion and a second hook having a second elliptical hole for inserting the second protrusion; and a first slit between an edge of the first hook and the first elliptical hole within the first hook, and a second slit between an edge of the second hook and the second elliptical hole within the second hook.Type: GrantFiled: December 4, 2008Date of Patent: February 7, 2012Assignee: LG Display Co., Ltd.Inventors: Namchul Cho, Joowon Cha
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Patent number: 8107037Abstract: A display device and its fabrication method are disclosed. According to one aspect, the method for fabricating a display device includes forming a first element unit including a first reflector layer, a light emitting part and a common electrode on a lower substrate, and forming a second element unit including a floating electrode, a photocurrent layer and a signal electrode on the first element unit. A third element unit is formed on the lower substrate. The third element unit includes a second reflector layer connected with the floating electrode and also a second light emitting part and a second floating electrode disposed on the second reflector layer.Type: GrantFiled: March 29, 2011Date of Patent: January 31, 2012Assignee: LG Display Co., Ltd.Inventor: Gee-Sung Chae
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Patent number: 8102494Abstract: An anti-reflection film that can provide high visibility and has an anti-reflection function by which reflection of incident light from external can be further reduced, and a display device having such an anti-reflection film. A plurality of contiguous pyramidal projections is arranged in a geometric pattern, so that reflection of incident light is prevented. In addition, a protective layer formed of a material having a lower refractive index than the pyramidal projections is provided so as to fill a space between the plurality of pyramidal projections. The plurality of pyramidal projections has a hexagonal shape and can be densely arranged with no space therebetween. Further, since six sides of each pyramidal projection are provided at a different angle from the base, light can be effectively scattered in many directions.Type: GrantFiled: December 5, 2007Date of Patent: January 24, 2012Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Jiro Nishida, Yuji Egi, Takeshi Nishi, Shunpei Yamazaki