Patents Examined by Dennis Y Kim
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Patent number: 9291847Abstract: Embodiments of the invention provide a pixel unit and a TFT-LCD with touch function. The pixel unit comprises a data line, a gate line and a pixel electrode formed on a base substrate. The pixel unit further comprises: a first touch layer connected to the data line and not connected to the pixel electrode; and a second touch layer connected to the gate line and not connected to the pixel electrode.Type: GrantFiled: September 16, 2013Date of Patent: March 22, 2016Assignee: Beijing BOE Optoelectronics Technology Co., Ltd.Inventor: Suzhen Mu
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Patent number: 9291865Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first area, a second area located around the first area, and a third area neighboring the second area, the first area including a pixel electrode including a strip-shaped main pixel electrode, the second area including a power supply pad, and the third area including a charge elimination pad, a first pad electrically connected to the charge elimination pad, a second pad neighboring the first pad at a first pad distance and electrically connected to the power supply pad, and a third pad neighboring the second pad at a second pad distance greater than the first pad distance.Type: GrantFiled: May 21, 2012Date of Patent: March 22, 2016Assignee: Japan Display Inc.Inventor: Naoki Miyanaga
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Patent number: 9287296Abstract: Provided is a display device, in which: a plurality of spacers placed between a first substrate and a second substrate include a first spacer placed between a first thin film transistor and a second thin film transistor and a second spacer placed between the first thin film transistor and a third thin film transistor; and a distance between a center of the first spacer and a center of a line width of a first data line is smaller than a distance between a center of the second spacer and a center of a line width of a second data line.Type: GrantFiled: March 6, 2014Date of Patent: March 15, 2016Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventors: Yuuta Funahashi, Masafumi Hirata, Yugo Takeda
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Patent number: 9285635Abstract: This disclosure describes stereoscopic flat panel display systems based on the polarization encoding of sequentially displayed left and right eye images. The systems comprise line-by-line addressed liquid crystal display (LCD) panels, illuminating back light units and polarization control panels (PCPs). Right and left eye images are written sequentially onto the LCD whose polarization is controlled by a substantially synchronously driven PCP. The backlight may be continuously illuminated, or modulated temporally, spatially or both, as can the PCP.Type: GrantFiled: August 9, 2010Date of Patent: March 15, 2016Assignee: RealD Inc.Inventors: Michael G. Robinson, Jianmin Chen
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Patent number: 9274382Abstract: A display device includes: a substrate including a plurality of pixel areas; a thin film transistor formed on the substrate; a pixel electrode connected to the thin film transistor and formed in at least one of the plurality of pixel areas; a roof layer formed on the pixel electrode to be spaced apart from the pixel electrode by a microcavity therebetween; an injection hole formed on the roof layer so as to expose a part of the microcavity; a liquid crystal layer configured to fill the microcavity; at least one support member adjacent to the injection hole and formed in a column shape in the microcavity; and an encapsulation layer formed on the roof layer so as to cover the injection hole to seal the microcavity.Type: GrantFiled: October 23, 2013Date of Patent: March 1, 2016Assignee: Samsung Display Co., Ltd.Inventors: Soo Jung Lee, Yeun Tae Kim, Hee-Keun Lee, Sung Jun Kim, Sung Woo Cho
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Patent number: 9261725Abstract: A liquid crystal display has liquid crystal containerizing micro-cavities monolithically integrally formed as part of a thin film transistors substrate thereof where mouths of the micro-cavities are sealed shut by material of a capping layer and where the capping layer is patterned to have relatively thicker regions and comparatively thinner or devoid of capping material regions interposed between the thicker regions for thereby providing the capping layer with improved flexibility, the relatively thicker regions being disposed over the mouths of the microcavities.Type: GrantFiled: February 6, 2014Date of Patent: February 16, 2016Assignee: Samsung Display Co., Ltd.Inventors: Valeriy Prushinskiy, Tae Wook Kang, Min Soo Kim, Len Kaplan, Nak Cho Choi
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Patent number: 9256108Abstract: The present invention provides a dark spot repair method of a liquid crystal panel and a liquid crystal panel.Type: GrantFiled: June 26, 2013Date of Patent: February 9, 2016Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Dongzi Gao, Mei Xiong, Zhicheng Liu
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Patent number: 9256310Abstract: A touch sensor integrated type display device includes gate lines and data lines; a plurality of pixel electrodes respectively formed in pixel areas defined by crossings of the gate and data lines; a first electrode formed between first pixel electrodes and in parallel with a first gate line of the gate lines, the first pixel electrodes being adjacent to each other with the first gate line interposed therebetween; second electrodes formed between second pixel electrodes and arranged in a line in parallel with a second gate line adjacent to the first gate line, the second pixel electrodes being adjacent to each other with the second gate line interposed therebetween; and third electrodes, each of which is formed in parallel with the data lines and contacts the second electrodes, at least a portion of each of the third electrodes overlapping the first and second pixel electrodes.Type: GrantFiled: December 4, 2013Date of Patent: February 9, 2016Assignee: LG Display Co., Ltd.Inventors: Manhyeop Han, Jinseong Kim
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Patent number: 9250457Abstract: A driver for a liquid crystal lens, an imaging apparatus and a temperature controlling method thereof, include: a liquid crystal lens which adjusts a focal length according to a voltage applied thereto; a lens driver which applies the voltage to the liquid crystal lens; a sensor driver which detects a temperature of the liquid crystal lens, compensates for the detected temperature, and determines whether the compensated temperatures maintains a preset range for the driver for the liquid crystal lens to perform a control operation; and a heater driver which, according to the determination by the sensor driver, controls heat generation of the liquid crystal lens to maintain a temperature of the liquid crystal lens in the preset range. Thus, the driver detects a temperature of the liquid crystal lens accurately by compensating for a resistance value from the liquid crystal lens to thereby maintain stability of the imaging apparatus.Type: GrantFiled: November 28, 2012Date of Patent: February 2, 2016Assignee: DONGWOON ANATECH CO., LTD.Inventors: Jung-wan Park, Jung-ho Jin, Eun-tack Oh
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Patent number: 9250473Abstract: A display apparatus comprises a display panel, a first polarizing plate and a second polarizing plate. The display panel comprises a first substrate including a pixel electrode, a second substrate opposite to the first substrate, and a liquid crystal layer disposed between a first surface of the first substrate and a first surface of the second substrate. The first polarizing plate comprises a first polarizer having a first polarizing axis, and a first ?/4 phase difference plate having a refractive index between about 1.35 and about 2.05 in a thickness direction. The second polarizing plate comprises a second polarizer having a second polarizing axis crossing the first polarizing axis, and a second ?/4 phase difference plate having a refractive index between about 1.35 and about 2.05 in a thickness direction. Accordingly, light leakage in a side view may be reduced and viewing angle may be improved.Type: GrantFiled: August 9, 2013Date of Patent: February 2, 2016Assignee: Samsung Display Co., Ltd.Inventors: Kwang-Hyun Kim, Ki-Chul Shin, Seung-Hee Lee, Ji-Hoon Kim, Sang-Jae Kim
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Patent number: 9244314Abstract: A liquid crystal display includes a first substrate, a second substrate, a liquid crystal layer between the substrates and including liquid crystal molecules, a first pixel electrode, and a second pixel electrode. The pixel electrodes each include a stem at an edge of a pixel area, and a plurality of branches extended from the stem. The branches of the pixel electrodes are alternately disposed. The liquid crystal display further includes a first region including a first interval between the branches of the first pixel electrode and adjacent branches of the second pixel electrode, and a second region including a second interval between the branches of the first pixel electrode and the adjacent branches of the second pixel electrode which is smaller than the first interval. The first region is where the stems of the first pixel electrode and the second pixel electrode are not disposed.Type: GrantFiled: September 23, 2011Date of Patent: January 26, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kook Hyun Choi, Sung Hoon Kim, Hong-Jo Park, Mee Hye Jung, Woo Sung Sohn, Jae-Yong Shin
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Patent number: 9236401Abstract: A display apparatus includes: a substrate defining transistor and wiring areas; a thin film transistor in the transistor area and including a gate electrode, an active layer, and source and drain electrodes; an etch prevention layer in the transistor area, absent in the wiring area and covering the active layer, and first and second contact holes defined in the etch prevention layer and through which the active layer is electrically coupled to the source and drain electrodes; a first wiring layer in the wiring area; a first insulating layer which covers the gate electrode and the first wiring layer, and a third contact hole defined in the first insulating layer in the wiring area and exposing the first wiring layer; and a second wiring layer on the first insulating layer and in the wiring area, and electrically coupled to the first wiring layer via the third contact hole.Type: GrantFiled: March 3, 2014Date of Patent: January 12, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae-Neung Kim, Yu-Gwang Jeong, Sang-Gab Kim, Su-Bin Bae, Shin-Il Choi
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Patent number: 9235074Abstract: The present invention relates to a display device and a manufacturing method thereof, wherein a spoilage layer generated in a manufacturing process is removed, and a manufacturing method of a display device according to an exemplary embodiment of the present invention includes: forming a thin film transistor on a substrate including a plurality of pixel areas; forming a pixel electrode connected to the thin film transistor in the pixel area; forming a sacrificial layer on the pixel electrode; forming a barrier layer on the sacrificial layer; forming a common electrode on the barrier layer; forming a roof layer on the common electrode; patterning the barrier layer, the common electrode, and the roof layer to exposed a portion of the sacrificial layer thereby forming an injection hole; removing the sacrificial layer to form a microcavity for a plurality of pixel areas; removing the barrier layer.Type: GrantFiled: August 7, 2013Date of Patent: January 12, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hong Sick Park, Seon-II Kim, Min Ho Moon, Hyang-Shik Kong, Yeun Tae Kim, Chang Oh Jeong
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Patent number: 9235091Abstract: Provided is a liquid crystal display device, including: a first substrate and a second substrate. On the second substrate, a plurality of gate signal lines, a plurality of data signal lines, a plurality of pixel electrodes provided correspondingly to a plurality of pixels, and a common electrode provided so as to be opposed to the pixel electrodes are formed. An interline pitch of the gate signal lines is smaller than an interline pitch of the data signal lines. In each of the pixels, the pixel electrode overlaps, in plan view, gate signal lines adjacent to the pixel electrode.Type: GrantFiled: March 7, 2014Date of Patent: January 12, 2016Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.Inventor: Kikuo Ono
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Patent number: 9223170Abstract: Disclosed a color filter substrate for a liquid crystal display device performing an ordinary display for a gray scale display and a dynamic display for a bright display, which includes a transparent substrate, a transparent conductive film formed above the transparent substrate, a black matrix formed above the transparent substrate and having pixel regions which are openings partitioned into polygonal pixel shapes respectively having two parallel sides, a first transparent resin layer formed so as to cover portions corresponding to the two parallel sides of the black matrix, a color layer formed above the pixel regions, and a second first transparent resin layer formed above the color layer and having a linear depression passing a center of the pixel region.Type: GrantFiled: March 8, 2013Date of Patent: December 29, 2015Assignee: TOPPAN PRINTING CO., LTD.Inventors: Yasuhiro Hibayashi, Kenzo Fukuyoshi
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Patent number: 9223144Abstract: A display including a display panel and a switchable retarder is provided. The switchable retarder disposed on a light path of a polarized image having a first polarization provided by the display panel and includes a first substrate, first electrode stripes, second electrode stripes, and a retardation medium. The first electrode stripes and the second electrode stripes are disposed between the display panel and the first substrate, and are electrically independent from each other. A retardation region is defined by each first electrode stripe and one second electrode stripe. The retardation medium is located at a side of the first electrode stripes and at a side of the second electrode stripes, and is controlled by an electric field in the corresponding retardation region such that each retardation region provides a retardation. Accordingly, the polarized image having the first polarization is transformed into the polarized image having a second polarization.Type: GrantFiled: July 31, 2014Date of Patent: December 29, 2015Assignee: INNOLUX CORPORATIONInventors: Jhen-Wei He, Ching-Hua Hung, Kuan-Hsiung Wang, Yung-Hsun Wu
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Patent number: 9217909Abstract: The present application discloses a display panel, comprising: a first substrate, a second substrate, and a blue phase liquid crystal layer interposed between the first substrate and the second substrate. The first substrate and the second substrate are adapted to generate an electric field in a first direction perpendicular to the display panel. An optical path diverting device is provided between the first substrate and the second substrate, the optical path diverting device is configured so that a light entering the blue phase liquid crystal layer in the first direction from the first substrate is diverted to propagate in the blue phase liquid crystal layer in a second direction parallel to the display panel, and then the light propagating in the second direction is diverted to pass through the blue phase liquid crystal layer and exit from the second substrate in the first direction.Type: GrantFiled: December 5, 2013Date of Patent: December 22, 2015Assignee: Boe Technology Group Co., LtdInventor: Weili Zhao
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Patent number: 9201262Abstract: A display device includes a heat sink and an LCD panel having peripheral edges. The LCD panel includes a non-activated area extending inwardly a predetermined distance from the peripheral edges. A thermal link is provided, made from an anisotropic graphite material, and is in thermal contact with the heat sink and with at least a portion of the non-activated area of said LCD panel.Type: GrantFiled: April 20, 2012Date of Patent: December 1, 2015Assignee: GrafTech International Holdings Inc.Inventors: Bradley E. Reis, Robert Anderson Reynolds, III, Yin Xiong, G M Fazley Elahee, Seung Yong Lee, Gregory P. Kramer
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Patent number: 9188824Abstract: According to an aspect, a display device includes: a first substrate; a second substrate arranged opposite to the first substrate; a liquid crystal layer interposed between the first substrate and the second substrate; a plurality of pixels arranged in a matrix on the first substrate; a first scan line arranged between a first row of the pixels and a second row of the pixels adjacent to the first row; a second scan line arranged between the second row of the pixels and the first scan line; and a spacer for maintaining a gap between the first substrate and the second substrate. A first area on which the spacer is disposed overlaps at least part of a second area partitioned by the first scan line and the second scan line.Type: GrantFiled: February 12, 2014Date of Patent: November 17, 2015Assignee: Japan Display Inc.Inventors: Hirofumi Ohira, Akio Ota
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Patent number: 9188817Abstract: The present invention provides a pixel structure, which includes a TFT substrate (20), a CF substrate (30) and a liquid crystal layer (40). The TFT substrate (20) includes a first transparent substrate (22) and a pixel electrode (24). The CF substrate (30) includes a second transparent substrate (32) and a common electrode (34). The pixel electrode (24) includes a first sub pixel electrode (26) and a second sub pixel electrode (28). The common electrode (34) includes a first sub common electrode (36) and a second sub common electrode (38). The first sub pixel electrode (26) and the first sub common electrode (36) have a first voltage difference and the second sub pixel electrode (28) and the second sub common electrode (38) have a second voltage difference. The first voltage difference is greater than or less than the second voltage difference.Type: GrantFiled: January 22, 2014Date of Patent: November 17, 2015Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Shihhsun Lo, Jinbo Guo, Shishuai Huang