With Plural Alignments On The Same Substrate Patents (Class 349/129)
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Patent number: 9916794Abstract: A display system adapted to use rapid switching techniques to switch between displaying content and displaying a mask for that content so as to provide per-pixel opacity control. The display system may employ rapid synchronized switching of both a non-emissive, transparent display and a transparent backlight. In a first state, the display is operated to display content with the backlight acting as a scattering luminous backlight. In the other or second state, the display is operated to display one or more masks (for some or all objects or items of the content displayed in the first state) with the backlight functioning as a clear and unlit backlight. The display system is capable of producing opaque emissive content on a transparent field to provide a novel display and/or for use in compact spatial augmented reality applications.Type: GrantFiled: August 5, 2015Date of Patent: March 13, 2018Assignee: DISNEY ENTERPRISES, INC.Inventor: Quinn Y. Smithwick
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Patent number: 9910324Abstract: A liquid crystal display includes a first insulating substrate. A pixel electrode is formed on a top surface of the first insulating substrate. The pixel electrode has a first opening pattern at each pixel area. The pixel electrode is substantially rectangular in shape with first and second long sides, and first and second short sides. The pixel electrode is divided into an upper region defined by the first and second long sides and first short side, and a lower region defined by the first and second long sides and second short side. A common electrode is formed on a bottom surface of a second insulating substrate, and has a second opening pattern at each pixel area. The first and second opening patterns each have a plurality of openings, the openings of the first opening pattern and the second opening pattern being alternately arranged parallel to each other.Type: GrantFiled: December 29, 2016Date of Patent: March 6, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jang-Kun Song, Jae-Jin Ryu
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Patent number: 9904115Abstract: A liquid crystal panel includes a first four-domain structure, a second four-domain structure, a third four-domain structure, and a fourth four-domain structure repeatedly arranged. A reference azimuth of the rotated liquid crystal within the first four-domain structure is the same with the second, the reference azimuth of the rotated liquid crystal within the third four-domain structure is the same with the fourth, a difference between the reference azimuth of the rotated liquid crystal within the first four-domain structure and the third four-domain structure is in a range between 40 and 50 degrees. A pretilt angle of the rotated liquid crystal within the first four-domain structure is different from the second, and the pretilt angle of the rotated liquid crystal within the third four-domain structure is different from the fourth. With such configuration, the light leakage and color shift issue may be eliminated.Type: GrantFiled: January 22, 2016Date of Patent: February 27, 2018Assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd, Wuhan China Star Optoelectronics Technology Co., LtdInventor: Yuejun Tang
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Patent number: 9885919Abstract: A display panel and a method for manufacturing the same are disclosed. The display panel includes a color filter substrate, a liquid crystal layer, and a thin film transistor array substrate. Each of pixel units of the thin film transistor array substrate includes a first, second, third, and fourth domains. Liquid crystal molecules corresponding to the first, second, third, and fourth domains respectively have a first, second, third, and fourth pretilt angles. The present invention can increase the display quality of the display panel at the observation viewing angles with the large viewing angles.Type: GrantFiled: March 10, 2015Date of Patent: February 6, 2018Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yanxi Ye, Yang Zhao, Chung Yi Chiu
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Patent number: 9874789Abstract: A thin film transistor according to the present inventive concept includes: a first and a second pixel electrodes that are electrically connected to the drain electrode through the contact hole and disposed to be adjacent to each other in a column direction, wherein the first pixel electrode includes a first sub-pixel electrode and a second sub-pixel electrode that include a vertical stem part, a horizontal stem part, and a plurality of minute branches, the second pixel electrode includes a third sub-pixel electrode and a fourth sub-pixel electrode that include a vertical stem part, a horizontal stem part, and a plurality of minute branches, and the plurality of minute branches of the second sub-pixel electrode and the plurality of minute branches of the third sub-pixel electrode that are adjacent to each other to each other in the column direction form an angle of 45° or more to 135° or less.Type: GrantFiled: March 19, 2015Date of Patent: January 23, 2018Assignee: Samsung Display Co., Ltd.Inventors: Kyu Su Ahn, Hee Hwan Lee, Kyung Ho Kim, Kee Bum Park
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Patent number: 9874790Abstract: The invention provides a pixel electrode and a liquid crystal display panel. The pixel electrode does not contain a “cross-shaped” keel structure and specifically includes: a peripheral border (40), and multiple first, second, third and fourth pixel electrode branches (41, 42, 43, 44) being strip-shaped. The multiple first, second, third and fourth strip-shaped pixel electrode branches (41, 42, 43, 44) all are disposed in the interior of the peripheral border (40) and connected to the peripheral border (40) and further form an asymmetric structures, so that most of liquid crystal molecules located in the middle of the pixel electrode would be orientated along directions of spacings among the pixel electrode branches, the problem of low penetration rate of the liquid crystal display panel in the prior art caused by the “cross-shaped” keel structure of the pixel electrode can be solved and the transmittance can be increased.Type: GrantFiled: August 21, 2015Date of Patent: January 23, 2018Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Xinhui Zhong
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Patent number: 9865625Abstract: The present disclosure provides an array substrate and a method of manufacturing the same, and a display device. TA connecting portion is provided within the overlapping region between the first signal line and the second signal line, is electrically conductive and directly contacts the second signal line. Thus, even when the upper second signal line is broken due to the large step difference within the overlapping region between the first signal line and the second signal line, the connecting portion electrically connected with the broken second signal line can still electrically connect and conduct the broken second signal line, thereby avoiding transmission of signal from being adversely affected by the broken signal line within the overlapping region.Type: GrantFiled: July 16, 2015Date of Patent: January 9, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Lei Chen, Zhilong Peng, Wukun Dai, Huanping Liu
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Patent number: 9864238Abstract: A TFT array substrate, a liquid crystal display panel and a liquid crystal display device. The TFT array substrate includes: a plurality of pixel units; where each of the pixel units includes a first electrode comprising a V-shaped electrode with an angle; the plurality of pixel units include a first pixel unit and a second pixel unit, and where, the first pixel unit is closer to an edge of the TFT array substrate than the second pixel unit, and an angle of the V-shaped electrode in the first pixel unit is smaller than an angle of the V-shaped electrode in the second pixel unit.Type: GrantFiled: December 10, 2015Date of Patent: January 9, 2018Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Zhipeng Liu, Xianxiang Zhang, Shaofa Lan
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Patent number: 9857649Abstract: A display panel includes: a pixel electrode including first, second, and third sub-pixel electrodes separated from each other; a first TFT connected to the first sub-pixel electrode; second and fourth TFTs connected to the second sub-pixel electrode; a third TFT connected to the third sub-pixel electrode; a first gate line connected to the first to third TFTs; a second gate line connected to the fourth TFT; a data line electrically insulated from and intersecting the first and second gate lines and connected to the first to third TFTs; and a storage electrode connected to the fourth TFT and overlapping the first sub-pixel electrode.Type: GrantFiled: June 9, 2015Date of Patent: January 2, 2018Assignee: Samsung Display Co., Ltd.Inventors: Duk Sung Kim, Sung Hwan Bae, Young Min Jung
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Patent number: 9835916Abstract: An exemplary embodiment of the present invention provides a liquid crystal display, including: a first substrate including a first pixel electrode, the first pixel electrode having a planar shape; a second substrate disposed facing the first substrate, including a common electrode disposed on the second substrate; a liquid crystal layer including a plurality of liquid crystal molecules disposed between the first substrate and the second substrate; and a plurality of pixels disposed between the first substrate and the second substrate, each of the plurality of pixels including a plurality of domains, and liquid crystal molecules of the liquid crystal layer disposed in different domains have different pretilt directions.Type: GrantFiled: July 21, 2014Date of Patent: December 5, 2017Assignee: Samsung Display Co., Ltd.Inventors: Young Min Kim, Jae Byung Park, Gak Seok Lee, Seung-Hwan Cho
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Patent number: 9817275Abstract: A display device includes: a first substrate on which a display area and a non-display area which is outside the display area are defined; and a dam pattern disposed on at least one side of the display area and in the non-display area. The dam pattern includes a first dam pattern defining a first stem portion thereof which lengthwise extends in a first direction, and a first branch portion which extends from the first stem portion, and a second dam pattern defining a second stem portion thereof which lengthwise extends in the first direction, and a second branch portion which extends from the second stem portion and is spaced from and faces the first branch portion.Type: GrantFiled: May 9, 2016Date of Patent: November 14, 2017Assignee: SAMSUNG DISPLAY CO. LTD.Inventors: Seung Hee Oh, Joon Hyeong Kim, Sung Hwan Bae, Seung Ki Song, Chung Hyuk Lee
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Patent number: 9817286Abstract: A liquid crystal display device includes: a first substrate; a shielding electrode disposed on the first substrate and which extends in a first direction; a pixel electrode disposed on a same layer as the shielding electrode and insulated from the shielding electrode; a common electrode which overlaps the shielding electrode and the pixel electrode in a thickness direction of the first substrate; and a liquid crystal layer interposed between the common electrode and the pixel and shielding electrodes. The liquid crystal layer includes a first liquid crystal molecule disposed in a first region between the shielding electrode and the pixel electrode, and the first liquid crystal molecule is pre-tilted to have an azimuthal angle in a range of about zero degree to about +45 degrees or in a range of about ?45 degrees to about zero degree, based on the first direction.Type: GrantFiled: November 18, 2016Date of Patent: November 14, 2017Assignee: SAMSUNG DISPLAY CO. LTD.Inventors: Cheol Shin, Hak Sun Chang, Se Hyun Lee
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Patent number: 9804451Abstract: A liquid crystal display includes a first display substrate including a plurality of pixel electrodes corresponding to a plurality of pixels, respectively, a second display substrate disposed opposite to the first display substrate; and a liquid crystal layer disposed between the first and second display substrates, where each of the pixel electrodes includes first and second subpixel electrodes, which are disposed near each other in a first direction and each include a plurality of minute branches, the first subpixel electrode is divided into a plurality of first-subpixel areas including a first first-subpixel area, in which the minute branches extend in a first diagonal direction, and the second subpixel electrode includes a plurality of second-subpixel areas including a first second-subpixel area, which is disposed near the first first-subpixel area in the first direction and in which the minute branches extend in the first diagonal direction.Type: GrantFiled: January 25, 2016Date of Patent: October 31, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kee Bum Park, Yoo Mi Ra, Hyung Jin Song, Kye Uk Lee
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Patent number: 9804448Abstract: An IPS LCD that not only increases the screen luminance but also prevents the occurrence of image blurs by reducing the area of disclination and preventing the liquid crystal molecules from rising in a direction normal to the TFT substrate. A pixel electrode is disposed in the pixel surrounded by two gate lines and two data lines. A planar common electrode is located below the pixel electrode with an inter-layer insulating film provided therebetween. The pixel electrode includes slits each being open at the edge on one side and has the shape of a comb. Liquid crystals with negative dielectric anisotropy are used as liquid crystal. The above structure increases the transmissive area of the pixel up to the open edges of the slits and also prevents the liquid crystal molecules from rising in a direction normal to the TFT substrate, thereby preventing the occurrence of blurs.Type: GrantFiled: January 14, 2015Date of Patent: October 31, 2017Assignee: Japan Display Inc.Inventors: Takeyuki Tsuruma, Hidemasa Yamaguchi
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Patent number: 9799275Abstract: Provided is a display device. The display device includes: a gamma mapping unit; a compensating signal generation unit including a limit gray scale determination unit outputting a white limit gray scale value; and a hue control compensation unit including a main color compensation unit and a white compensation unit. The white compensation unit decreases a gray scale value of the white image signal based on the white limit gray scale value to generate the white compensated signal and the main color compensation unit compensates the red, green and blue image signals based on the white limit gray scale value to generate the red, green and blue compensated signals, when gray scale value of the white image signal is larger than the white limit gray scale value.Type: GrantFiled: May 4, 2015Date of Patent: October 24, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jinpil Kim, Sungjae Park, Yu-Kwan Kim, Namjae Lim
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Patent number: 9798200Abstract: A pixel structure of a liquid crystal display panel includes a substrate, a switch device, a pixel electrode, an insulating layer, and a patterned common electrode. The switch device and the pixel electrode are disposed on the substrate, and the switch device is electrically connected to the pixel electrode. The insulating layer is disposed on the substrate and covers the switch device and the pixel electrode, wherein the insulating layer includes a plurality of trenches. The patterned common electrode is disposed on the insulating layer and does not cover the trenches. The pixel structure of the liquid crystal display panel and related manufacturing method are able to enhance the driving effect of the liquid crystal molecules, reduce the driving voltage and increase alignment performance of the alignment film.Type: GrantFiled: May 25, 2016Date of Patent: October 24, 2017Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Yu-Chen Liu, Ya-Ju Lu, Kuo-Wei Wu
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Patent number: 9785015Abstract: A method of forming a plurality of post spacers between an upper substrate and lower substrate in a display apparatus comprises: applying a resin layer on an upper portion of the upper substrate or the lower substrate; arranging a plurality of through-hole forming bodies on an upper portion of the resin layer; applying a resin layer again on an upper portion of the resin layer where the plurality of through-hole forming bodies have been arranged; exposing the applied resin layer to light using a mask; removing areas other than areas where post spacers are to be formed from the applied resin layer; and removing the plurality of through-hole forming bodies from the areas where the post spacers are to be formed.Type: GrantFiled: June 13, 2017Date of Patent: October 10, 2017Assignee: HYDIS TECHNOLOGIES CO., LTD.Inventor: Hye Lyn Kim
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Patent number: 9778518Abstract: A liquid crystal display includes a first insulation substrate, a gate line, a data line configured to cross the gate line while being insulated therefrom, a thin film transistor connected to the gate line and the data line, a pixel electrode configured to include a first subpixel electrode connected to the thin film transistor and a second subpixel electrode, a second insulation substrate configured to face the first insulation substrate, a common electrode disposed on the second insulation substrate, and a liquid crystal layer disposed between the first insulation substrate and the second insulation substrate to include a plurality of liquid crystal molecules, where each of the first subpixel electrode and the second subpixel electrode includes a unit pixel electrode including a plurality of minute branches that is extended from a horizontal stem and a vertical stem.Type: GrantFiled: September 3, 2015Date of Patent: October 3, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Su Wan Woo, Min Wook Park, Young Goo Song, Ki Chul Shin
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Patent number: 9766512Abstract: A liquid crystal display panel including an array substrate, an opposite substrate disposed opposite to the array substrate and liquid crystal medium between the opposite substrate and the array substrate is provided. The array substrate includes a passivation layer, an insulation layer and a first electrode. The passivation layer has a contact hole. The insulation layer is disposed on the passivation layer and has a concave at a portion overlapped with the contact hole. The first electrode is disposed on the passivation layer and the insulation layer, and has a main portion and stripe portions, wherein a gap is formed between the two adjacent stripe portions. Each stripe portion has a connection portion, at least one turning point and an extending portion. Each connection portion is directly connected to the main portion, and the contact hole is overlapped with at least one connection portion.Type: GrantFiled: August 31, 2016Date of Patent: September 19, 2017Assignee: Au Optronics CorporationInventors: Tai-Li Hsia, Ya-Jung Wang, Sung-Yu Su
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Patent number: 9755286Abstract: A phase shifter and a method of making a phase shifter are disclosed herein. The phase shifter may include a housing, a dielectric, an electrode, and a liquid crystal layer. The housing includes first, second, third, and fourth conductive walls, each conductive wall being opposite one of the other walls. The dielectric is situated within the housing and defines a compartment within the housing. The electrode is aligned with the compartment. The liquid crystal layer fills the space of the compartment. A bias line is coupled to the electrode. The phase shifter may be integrated with as substrate integrated waveguide.Type: GrantFiled: December 5, 2014Date of Patent: September 5, 2017Assignee: Huawei Technologies Co., Ltd.Inventors: Kuangda Wang, Haiyan Jin, Ke Wu, Tarek Djerafi
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Patent number: 9746738Abstract: A liquid crystal display device including: a first substrate including a first base substrate, a first field-generating electrode disposed on the first base substrate, and a second field-generating electrode disposed on the first field-generating electrode; a second substrate facing the first base substrate and disposed spaced apart from the first substrate; a liquid crystal layer including liquid crystals, in which an electric field is formed by the first field-generating electrode and the second field-generating electrode, being disposed between the first substrate and the second substrate and contacting the second field-generating electrode; and a plurality of first projections disposed between the second field-generating electrode and the liquid crystal layer.Type: GrantFiled: July 11, 2016Date of Patent: August 29, 2017Assignee: Samsung Display Co., Ltd.Inventors: Ho Lim, Sung Yi Kim, Hyun Ku Ahn, Gi Hoon Yang, Suk Kung Chei, Ji Phyo Hong
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Patent number: 9733521Abstract: To provide a technique that prevents electrode disconnection in a liquid crystal display apparatus comprising a plurality of openings in an electrode. The apparatus comprises a first substrate, a second substrate, a first electrode, a second electrode, and a liquid crystal layer. The first electrode comprises first openings and the second electrode comprises second openings. Each first opening is disposed forming columns so that the respective longitudinal directions align with a first direction, and comprises two short-side edges that obliquely cross the first direction at an angle other than orthogonal. Each opening is disposed forming columns so that the respective longitudinal directions align with the first direction, and comprises two short-side edges that obliquely cross the first direction at an angle other than orthogonal. The first openings and second openings are alternately disposed column by column along a second direction that crosses the first direction.Type: GrantFiled: March 4, 2015Date of Patent: August 15, 2017Assignee: STANLEY ELECTRIC CO., LTD.Inventor: Yoshihisa Iwamoto
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Patent number: 9720276Abstract: The present invention provides a liquid crystal display (LCD) panel and a display apparatus using the same. The LCD panel comprises a first substrate, a second substrate, a liquid crystal layer and a half wave (?/2) retarder film, The liquid crystal layer is formed between the first substrate and the second substrate. The second substrate comprises a second electrode, wherein the second electrode comprises a trunk portion and plurality of branch portions, and there is a predetermined angle between the trunk portion and the branch portions, and the predetermined angle is less than or greater than 45 degrees. The ?/2 retarder film is bonded to an outer surface of the first substrate or the second substrate. The present invention can improve the color shift problem and the transmittance of the LCD panel.Type: GrantFiled: May 28, 2015Date of Patent: August 1, 2017Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO. LTD.Inventor: Chihtsung Kang
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Patent number: 9720294Abstract: The present disclosure discloses liquid crystal panel with short response time and display device. The first pixel electrode and the first common electrode of the liquid crystal panel are respectively provided on the two disparate substrates and corresponding to each other. The second pixel electrode and the second common electrode provided on the first substrate and/or the second substrate with an interval, which are projected between the first substrate and the second substrate, and the second pixel electrode and the second common electrode are insulated from the first pixel electrode and the first common electrode. When the liquid crystal is in the rising state, it only applies voltage to the first pixel electrode and the first common electrode. When the liquid crystal is in the falling state, it only applies voltage to the second pixel electrode and the second common electrode.Type: GrantFiled: January 27, 2016Date of Patent: August 1, 2017Assignee: Wuhan China Star Optoelectronics Technology Co., LtdInventor: Chang Xie
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Patent number: 9715133Abstract: The present invention relates to a liquid crystal display and a driving method thereof. The liquid crystal display of the present invention includes a pixel electrode including: a first subpixel electrode, a second subpixel electrode, and a third subpixel electrode electrically separated from each other; a first thin film transistor connected to the first subpixel electrode; a second thin film transistor connected to the second subpixel electrode; a third thin film transistor connected to the third subpixel electrode; a fourth thin film transistor connected to the second subpixel electrode and the third subpixel electrode; a first gate line connected to the first to third thin film transistors; a second gate line connected to the fourth thin film transistor; a data line connected to the first and second thin film transistors; and a storage electrode line connected to the third thin film transistor.Type: GrantFiled: October 10, 2014Date of Patent: July 25, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young-Wook Lee, Hwa-Yeul Oh, Pil-Sang Yun, Je-Hyeong Park
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Patent number: 9711750Abstract: A conductive material layer for forming a conductive pattern is formed on a substrate. A photosensitive organic material layer is formed on the conductive material layer. The photosensitive organic material layer is irradiated through a halftone mask. The halftone mask includes a first mask region having a boundary corresponding to an edge of the conductive pattern, a second mask region, and a third mask region disposed between the first mask region and the second mask region. A first pattern including a first region corresponding to the first mask region and a second region corresponding to the third mask region is formed by removing the photosensitive organic material layer. The conductive material layer is etched using the first pattern as a hard mask to form the conductive pattern having exposed lateral surfaces. A second pattern is formed that covers the lateral surfaces of the conductive pattern by reflowing the first pattern.Type: GrantFiled: July 20, 2016Date of Patent: July 18, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Taehyun Kim, Sangho Park, Seungmin Lee, Jungkyu Lee
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Patent number: 9709852Abstract: A curved liquid crystal display includes: a first substrate; a second substrate facing the first substrate; a liquid crystal layer between the first substrate and the second substrate and including liquid crystal molecules; a first alignment layer between the first substrate and the liquid crystal layer; and a second alignment layer between the second substrate and the liquid crystal layer. The first alignment layer and the second alignment layer respectively include a polymer having at least one main chain and a plurality of side chains connected to the main chain, and at least one of the polymer of the first alignment layer and the polymer of the second alignment layer includes at least one side chain including at least one of a photo-reactor and a photo-reactor derivative.Type: GrantFiled: February 22, 2016Date of Patent: July 18, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyeok Jin Lee, Oh Jeong Kwon, Su Jin Kim, Jin Won Kim, Dong Han Song, Ki Chul Shin, Dong-Chul Shin, Sung-Jae Yun
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Patent number: 9709853Abstract: To maintain good operation of a peripheral circuit using an oxide thin film transistor in a liquid crystal display panel to which photo alignment is applied, the liquid crystal display panel includes: a transparent substrate provided with an oxide thin film transistor in the periphery of a pixel portion in which pixel electrodes are arranged, to control the pixel electrodes; and an alignment film to align liquid crystal provided in the pixel portion. The alignment film is subjected to photo alignment treatment by ultraviolet irradiation. Further, an ultraviolet absorbing layer is provided so as to cover the oxide thin film transistor. For example, an alignment film is used for the ultraviolet absorbing layer to absorb the ultraviolet light for the photo aliment treatment of the alignment film, in the peripheral circuit portion for controlling the pixel electrodes, thereby preventing the threshold voltage of the oxide thin film transistor from shifting.Type: GrantFiled: September 9, 2014Date of Patent: July 18, 2017Assignee: Japan Display Inc.Inventors: Norihiro Uemura, Hidekazu Miyake, Isao Suzumura, Yohei Yamaguchi, Toshiki Kaneko
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Patent number: 9696596Abstract: A display panel curved in a first direction includes: first and second areas corresponding to two segments of a pixel divided by a line in a second direction perpendicular to the first direction; and a first electrode, in which first sub horizontal openings are defined in the first area, and second sub horizontal openings are defined in the second area, where the first and second sub horizontal openings extend along the first direction; a second substrate including: third and fourth areas corresponding to two segments of the pixel divided by a line in the first direction; and a second electrode, in which first vertical openings are defined in the third area, and second vertical openings are defined in the fourth area, where the first and second vertical openings extend along the second direction; and a liquid crystal layer between the first and second substrates.Type: GrantFiled: January 19, 2015Date of Patent: July 4, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jang-Il Kim, YeoGeon Yoon, Sei-yong Park, Osung Seo, Sunghee Hong
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Patent number: 9671661Abstract: A liquid crystal display includes a first substrate on which a plurality of gate lines and a plurality of data lines intersecting the gate lines are disposed, a second substrate facing the first substrate, a liquid crystal layer interposed between the first and second substrates, a linear electrode on the first substrate, a surface electrode on the first substrate, an insulating layer interposed between the linear electrode and the surface electrode, a thin film transistor electrically connected to the gate and data lines and electrically connected to the linear electrode, a black matrix disposed on any one of the first and second substrates and overlapping the gate and data lines, and a voltage storage electrode extending from one end portion of the linear electrode into the black matrix and overlapping the thin film transistor.Type: GrantFiled: December 8, 2014Date of Patent: June 6, 2017Assignee: Samsung Display Co., Ltd.Inventors: Seung Hyun Park, Hyang Yul Kim
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Patent number: 9658492Abstract: A display panel is disclosed, which comprises: a first substrate with plural sub-pixel units disposed thereon; a first photo-alignment layer disposed on the first substrate and having at least two different alignment directions corresponding to one sub-pixel unit; and plural metal pads respectively corresponding to the sub-pixel units. When light passes through each sub-pixel, a dark line pattern is exhibited, comprising: a first main dark line disposed at an interface between two different alignment directions of the first photo-alignment layer; and a metal pad pattern corresponding to the metal pad and the first main dark line. Herein, a distance difference between an edge of the first dark line and an edge of the metal pad pattern at the same side is not identical to that between another edge of the first dark line and another edge of the metal pad pattern at another same side.Type: GrantFiled: June 25, 2015Date of Patent: May 23, 2017Assignee: INNOLUX CORPORATIONInventors: Jung-Jui Kang, Bo-Chin Tsuei, Ming-Chien Sun
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Patent number: 9651832Abstract: A liquid crystal display (LCD) panel and an LCD device are disclosed. The LCD panel comprises a plurality of pixel units. Each pixel unit includes an upper substrates, a lower substrate and a liquid crystal layer disposed between the upper substrate and the lower substrate. A first common electrode, an insulating layer and a pixel electrode are sequentially disposed on one side of the lower substrate facing the liquid crystal layer. The pixel electrode includes a plurality of first electrodes and second electrodes which have strip structures and are alternately distributed. A second common electrode is disposed on one side of the upper substrate facing the liquid crystal layer. The LCD panel can improve the response speed of liquid crystal molecules and increase the transmittance of the liquid crystal layer when the pixel units are electrified.Type: GrantFiled: August 20, 2014Date of Patent: May 16, 2017Assignee: BOE Technology Group Co., Ltd.Inventors: Yingtao Wang, Jikai Yao, Jaegeon You
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Patent number: 9645462Abstract: A liquid crystal display device in which smear error is suppressed and transmittance is uniform is provided. In a liquid crystal display device which includes a plurality of pixels and uses comb-teeth-shaped transparent conductive films 110 as common wirings, the common wirings include mesh-shaped common metal wirings 101v and 101h extending in a vertical direction and a horizontal direction and the comb-teeth-shaped transparent conductive films 110 are connected between adjacent pixels.Type: GrantFiled: November 29, 2016Date of Patent: May 9, 2017Assignee: Japan Display Inc.Inventors: Saori Sugiyama, Yuji Maede, Masateru Morimoto
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Patent number: 9638960Abstract: A liquid crystal display device according to the present invention has a display area that includes a plurality of pixels (Px). The display area is made up of n kinds of domains (where n is an integer that is equal to or greater than two and equal to or smaller than four). The directors of the n kinds of domains define mutually different alignment directions. If the domain structure of each pixel (Px) is defined by the kinds of the domains that form the pixel (Px), the number k of the kinds of the domains that form the pixel (Px), and the arrangement of the domains in the pixel (Px), the display area includes a pixel, of which k is less than n and of which the domain structure is different from the domain structures of adjacent pixels.Type: GrantFiled: December 21, 2011Date of Patent: May 2, 2017Assignee: SHARP KABUSHIKI KAISHAInventors: Isamu Miyake, Tomohiko Mori, Iichiroh Inoue
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Patent number: 9638964Abstract: A liquid crystal (LCD) lens and a three-dimensional (3D) display device, which can achieve the equality of signal delay and reduce or eliminate the Moire phenomenon. The LC lens includes: a first substrate and a second substrate arranged opposite to each other, a liquid crystal layer disposed between the first substrate and the second substrate, and a plurality of parallel strip electrodes disposed on one side, close to the liquid crystal layer, of at least one of the first substrate and the second substrate. At least one strip electrode includes a plurality of strip sub-electrodes in sequential end-to-end connection. A specific included angle (?) is formed between the extension direction of each strip sub-electrode and the extension direction of the strip electrode.Type: GrantFiled: May 6, 2014Date of Patent: May 2, 2017Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Kun Wu
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Patent number: 9606381Abstract: A display device includes: pixels corresponding to respective plural colors arranged in matrix, wherein each pixel has a pixel circuit portion in which a circuit for display driving of the pixel is arranged and a pixel opening to be an area obtaining effective display light, the pixel openings of the pixels corresponding to at least one color have an area different from areas of the pixel openings of pixels corresponding to other colors, and the pixel circuit portions in respective pixels are arranged at equal pitches.Type: GrantFiled: January 14, 2013Date of Patent: March 28, 2017Assignee: Japan Display Inc.Inventors: Hidemasa Yamaguchi, Hironao Tanaka, Daisuke Ito
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Patent number: 9606403Abstract: Provided is a liquid crystal display device and a method for producing the same, wherein one electrode is composed of four segmented electrodes (P1, P2, P3, P4) and has segmented orientations (O1, O2, O3, O4), and the segmented electrode (p4) has the same structure as that of segmented electrodes (P?4) of adjacent pixels (at three positions of right, below, and lower right). An area surrounding four segmented electrodes (P4 (P?4)) that are present in adjacent four pixels having the same structure is processed with the same segmented orientation (O4). With this configuration, excellent viewing angle properties are maintained even with high-definition pixels, and efficient processing with segmented orientations can be performed.Type: GrantFiled: October 22, 2012Date of Patent: March 28, 2017Assignee: NLT TECHNOLOGIES, LTD.Inventors: Mitsuhiro Sugimoto, Ken Sumiyoshi, Shinichi Nishida, Hidenori Ikeno, Hideki Ito
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Patent number: 9594277Abstract: A multi-domain liquid crystal pixel array includes two substrate layers and liquid crystal disposed between the two substrate layers. The multi-domain liquid crystal pixel array also includes at least one alignment layer having four or more alignment zones across the multi-domain liquid crystal pixel array. Each alignment zone has a different pre-tilt liquid crystal orientation than the other alignment zones. The alignment zones are configured to generate divergent image light with respect to a center of the multi-domain liquid crystal pixel array.Type: GrantFiled: June 8, 2015Date of Patent: March 14, 2017Assignee: X Development LLCInventors: Pey Lung Fu, Mary Lou Jepsen, Philip E. Watson, Behnam Bastani, Carlin J. Vieri, Andrei S. Kazmierski, Adam E. Norton, Ya-Chi Lee, Eddy Giing-Li Chen, Hung-Yu Chen, Shenyi Tai
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Patent number: 9588374Abstract: A sub-wavelength thin-film metal grating is placed inside a liquid crystal variable optical retarder at a selected distance from a reflective electrode to form a reflective half wave plate, thereby reducing polarization dependence of the optical retardation generated by the variable optical retarder. The approach enables to form within the device the reflective half wave plate that is suitably thin without modifying the reflective electrode of the device.Type: GrantFiled: February 19, 2015Date of Patent: March 7, 2017Assignee: Lumentum Operations LLCInventors: Keith Anderson, John Michael Miller, Hery Djie, Lu Tian
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Patent number: 9588376Abstract: A liquid crystal display includes a first substrate, a second substrate disposed opposite to the first substrate; a pixel electrode disposed on the first substrate; a common electrode disposed on the second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate, where a first cutout having a cross shape is defined in the common electrode, a second cutout is defined in the pixel electrode to be adjacent to and along an edge of the pixel electrode, and the pixel electrode has a step structure, a boundary line of which is in a rhombus shape.Type: GrantFiled: January 17, 2014Date of Patent: March 7, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong-Chul Shin, Jae Hong Park, Oh Jeong Kwon, Ki Chul Shin, Sung-Jae Yun, Hyeok Jin Lee
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Patent number: 9588383Abstract: A display device includes a transistor, a data line, a pixel electrode, a common electrode, and a liquid crystal layer. The data line is connected to a source electrode of the transistor. A geometric radius of curvature associated with the display device is perpendicular to the data line. The pixel electrode is connected to a drain electrode of the transistor and includes a plate electrode. Sides of the plate electrode are oriented at acute angles with respect to the data line in a plan view associated with the display device. The common electrode overlaps the pixel electrode and has a slit. The slit has a first edge and a second edge. The first edge is perpendicular to the data line in the plan view and is longer than the second edge. The liquid crystal layer is positioned between the pixel electrode and the common electrode.Type: GrantFiled: June 25, 2015Date of Patent: March 7, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jang-Il Kim, Sang-Myoung Lee, Yeo Geon Yoon, Hyun-Ho Kang, Un Byoll Ko, Sei-Yong Park, O Sung Seo, Seung Jun Yu, Ha Won Yu, Ki Kyung Youk, Jung Wook Lee, Sung Hee Hong
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Patent number: 9583543Abstract: An organic light emitting device includes an anti-reflection film including a polarizer and a compensation film positioned on the polarizer and including a liquid crystal layer which includes liquid crystals having oriented direction tilting obliquely with respect to a surface of the liquid crystal layer extending in a horizontal direction in a cross sectional view.Type: GrantFiled: May 29, 2015Date of Patent: February 28, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Koh Kamada, Tsuyoshi Ohyama, Eun Sung Lee
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Patent number: 9581862Abstract: A liquid crystal display according to the present inventive concept includes: a substrate; a gate line and a data line crossing each other formed on the substrate; a thin film transistor connected to the gate line and the data line; a pixel electrode connected to the thin film transistor and having a slit at a center; a liquid crystal layer filling a plurality of microcavities positioned on the pixel electrode; a common electrode positioned on the liquid crystal layer; and a roof layer formed on the common electrode and having an oblique portion formed to be inclined at both outer sides of the microcavities.Type: GrantFiled: March 17, 2015Date of Patent: February 28, 2017Assignee: Samsung Display Co., Ltd.Inventors: Kwang Soo Bae, Yeun Tae Kim, Hae Ju Yun, Yong Seok Kim, Dae Ho Song
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Patent number: 9575368Abstract: A method for manufacturing a liquid crystal display (LCD) panel is disclosed. The LCD panel includes a first alignment layer formed on a first substrate and a second alignment layer formed on a second substrate. A liquid crystal layer having a plurality of liquid crystal molecules between the first alignment layer and the second alignment layer is exposed using a photomask from a side of the second substrate away from the first substrate. Thus, a portion of the liquid crystal molecules are arranged at a first pre-tilt angle and the other portion of the liquid crystal molecules are arranged at a second pre-tilt angle less than the first pre-tilt angle.Type: GrantFiled: August 6, 2015Date of Patent: February 21, 2017Assignee: Century Technology (Shenzhen) Corporation LimitedInventors: Hai-Bo Peng, Chen-Fu Mai, Yang Chen
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Patent number: 9547203Abstract: A liquid crystal display including a first substrate, a pixel electrode on the first substrate and including a first subpixel electrode and a second subpixel electrode separated from the first subpixel electrode, a second substrate facing the first substrate, a common electrode on the second substrate, and a liquid crystal layer between the first substrate and the second substrate, wherein the first subpixel electrode includes a first plate-shaped portion and first branch electrodes extending from the first plate-shaped portion, wherein the second subpixel electrode includes a second plate-shaped portion configured to enclose surroundings of the first branch electrode and second branch electrodes extending from the second plate-shaped portion, and wherein a difference between a first voltage applied to the first subpixel electrode and a common voltage applied to the common electrode is larger than a difference between a second voltage applied to the second subpixel electrode and the common voltage.Type: GrantFiled: April 23, 2015Date of Patent: January 17, 2017Assignee: Samsung Display Co., Ltd.Inventors: Se Hyun Lee, Ka Eun Kim, Ki Chul Shin, Ho Kil Oh, Hak Sun Chang
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Patent number: 9543331Abstract: An array substrate and manufacturing method thereof, and a display device are capable of preventing light reflection from a drain electrode, and guaranteeing the display effect of the display device. The array substrate includes a drain electrode of a thin film transistor unit, an insulating layer and a pixel electrode. The insulating layer is located between the drain electrode and the pixel electrode, and has a via hole formed therein, and the drain electrode and the pixel electrode are connected through the via hole. A surface of the pixel electrode at the via hole is a rough face.Type: GrantFiled: September 20, 2014Date of Patent: January 10, 2017Assignee: BOE Technology Group Co., Ltd.Inventors: Feng Zhang, Zhanfeng Cao, Qi Yao, Shi Shu
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Patent number: 9519194Abstract: A liquid crystal display, including: a first substrate; a gate line and a data line disposed on the first substrate; a pixel electrode disposed on the first substrate and including a stem portion and a plurality of branch electrodes that extends obliquely from the stem portion; a second substrate facing the first substrate; and a common electrode disposed on the second substrate, and the pixel electrode further includes a plurality of oblique portions disposed between the plurality of branch electrodes and the stem portion, and the plurality of oblique portions extends in a direction different from a direction in which the plurality of branch electrodes extends.Type: GrantFiled: July 1, 2014Date of Patent: December 13, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hee Hwan Lee, Hae Ryeong Park, Dong Il Yoo, Mun-Soo Park, Kyu Su Ahn, Yong Woo Lee
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Patent number: 9501988Abstract: A display device includes: a plurality of drive electrodes extending in a first direction and arranged side-by-side in a second direction with an inter-electrode slit in between; and a plurality of pixel electrodes arranged in matrix in the first and second directions. Each of the drive electrodes has one or more inner-electrode slits, and a center of the pixel electrode is located in the inter-electrode slit or in the inner-electrode slit.Type: GrantFiled: July 2, 2014Date of Patent: November 22, 2016Assignee: JAPAN DISPLAY INC.Inventors: Koji Noguchi, Eiji Sakai, Masanobu Ikeda, Koji Ishizaki
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Patent number: 9500924Abstract: The array substrate includes: a substrate; a plurality of scan lines and a plurality of data lines disposed on the substrate intersecting each other to define a plurality of pixel elements and insulated from each other; a first transparent conductive layer disposed on the substrate; and a second transparent conductive layer disposed on the substrate and in parallel to and insulated from the first transparent conductive layer. The data lines, the first transparent conductive layer, and the second transparent conductive layer each comprise a plurality of bended portions, and the bended portions of the second transparent conductive layer are parallel to those of the first transparent conductive layer; additionally or alternatively; the bended portions of the data lines are parallel to those of the first transparent conductive layer or the second transparent conductive layer.Type: GrantFiled: June 23, 2015Date of Patent: November 22, 2016Assignees: SHANGHAI AVIC OPTOELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Dandan Qin, Zhaokeng Cao, Yongjun Wu
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Patent number: 9495041Abstract: Touch-related information which cannot be acquired by the naked eye (dubbed here as sub-optical pattern information) has its corresponding sub-optical patterns respectively positioned within the aperture areas of respective domains such that the displayed image, as viewed from different viewing angles is not adversely affected by the embedded sub-optical patterns. One type of touch-related information which can be conveyed is that of touch location of a sub-optical pattern sensing pen positioned over one or more of the sub-optical patterns.Type: GrantFiled: October 26, 2015Date of Patent: November 15, 2016Assignee: Samsung Display Co., Ltd.Inventors: Seung Soo Baek, Woong Kwon Kim, Sang Ho Kim, Jae-Jin Song, Sang Wook Lee, Hea Chun Lee, Young Goo Song, Nam-Heon Kim, Dae Cheol Kim, Sung Ryul Kim, Jung Suk Bang, Ki Hun Jeong