Patents Examined by Jia Pan
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Patent number: 10054816Abstract: The present invention provides a liquid crystal display method capable of, when a screen thereof is observed through a polarizer such as sunglasses, ensuring an excellent visibility regardless of the angle of observation. In a liquid crystal display device at least having a backlight light source, a liquid crystal cell, and a polarizer disposed on a viewing side of the liquid crystal cell, a white light-emitting diode is used as the backlight light source; and a polymer film having a retardation of from 3,000 nm to 30,000 nm is used so as to be disposed on the viewing side of the polarizer so that an angle between an absorption axis of the polarizer and a slow axis of the polymer film becomes about 45 degrees.Type: GrantFiled: May 11, 2010Date of Patent: August 21, 2018Assignees: TOYO BOSEKI KABUSHIKI KAISHA, KEIO UNIVERSITYInventors: Yasuhiro Koike, Akihiro Tagaya
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Patent number: 10048522Abstract: The present invention provides a method for improving visibility of an image display device which is capable of providing an image display device excellent in anti-reflection properties and bright-field contrast even using an optical layered body including a light-transmitting substrate having in-plane birefringence, such as a polyester film. The method of the present invention is a method for improving visibility of an image display device that has an optical layered body including a light-transmitting substrate having in-plane birefringence and an optical functional layer disposed on one surface of the substrate. The method includes the step of disposing the optical layered body such that the slow axis showing a greater refractive index of the light-transmitting substrate is in parallel with the vertical direction of a display screen of the image display device.Type: GrantFiled: March 7, 2014Date of Patent: August 14, 2018Assignee: Dai Nippon Printing Co., Ltd.Inventors: Takashi Kuroda, Makoto Honda
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Patent number: 10042194Abstract: The present invention provides a method for improving visibility of an image display device which is capable of providing an image display device excellent in anti-reflection properties and bright-field contrast even using an optical layered body including a light-transmitting substrate having in-plane birefringence, such as a polyester film. The method of the present invention is a method for improving visibility of an image display device that has an optical layered body including a light-transmitting substrate having in-plane birefringence and an optical functional layer disposed on one surface of the substrate. The method includes the step of disposing the optical layered body such that the slow axis showing a greater refractive index of the light-transmitting substrate is in parallel with the vertical direction of a display screen of the image display device.Type: GrantFiled: May 12, 2014Date of Patent: August 7, 2018Assignee: Dai Nippon Printing Co., Ltd.Inventors: Takashi Kuroda, Makoto Honda
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Patent number: 10042196Abstract: The insulating properties of terminal lines on an array substrate can be maintained without adding any steps for avoiding formation of a counter electrode on the peripheral portion of a color filter substrate. A display includes an insulation film formed to cover an electrode formed on a surface of an array substrate, an oxide semiconductor film formed on a surface of a color filter substrate, and a seal member that is located between the insulation film and the oxide semiconductor film, which face each other, and that bonds the insulation film and the oxide semiconductor film together. An area surrounded by the seal member in plan view is taken as a display area. A portion of the oxide semiconductor film that corresponds to the display area is a conductor, and a portion of the oxide semiconductor film that corresponds to the outside of the display area is an insulator.Type: GrantFiled: June 21, 2016Date of Patent: August 7, 2018Assignee: Mitsubishi Electric CorporationInventors: Toshihiko Iwasaka, Masaru Aoki, Kazunori Inoue, Yusuke Yamagata
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Patent number: 10036915Abstract: The present invention provides a method for manufacturing a PDLC display device and a PDLC display device. The method for manufacturing a PDLC display device according to the present invention provides a black matrix and a base plate that collectively delimit a plurality of pixel cavities and fills a mixture of PDLC and red QDs, a mixture of PDLC and green QDs, and PDLC respectively into the plurality of pixel cavities to form a PDLC substrate, which is laminated with an array substrate, and installed with a blue light backlight module, so as to form a PDLC display device. Light leakage and color mixture can be eliminated and processes related to alignment layers and polarizers can be saved to thereby increase the manufacturing efficiency and lower the manufacturing cost.Type: GrantFiled: December 24, 2015Date of Patent: July 31, 2018Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Chao Ma, Yungjui Lee, Xiaolong Ma
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Patent number: 10031375Abstract: A display device array substrate includes first and second light blocking regions, a first insulation layer disposed on the first light blocking region, a second insulation layer disposed on the second light blocking region, a light blocking member including a first part disposed on the first light blocking region and the first insulation layer, a second part disposed on the second light blocking region and the second insulation layer, and a third part disposed on a boundary between the first and second light blocking regions. A minimum height from an upper surface of the first insulation substrate to an upper surface of the third part is lower than a minimum height from the upper surface of the first insulation substrate to an upper surface of the first part and a minimum height from the upper surface of the first insulation substrate to an upper surface of the second part.Type: GrantFiled: May 26, 2016Date of Patent: July 24, 2018Assignee: Samsung Display Co., Ltd.Inventors: Sun Kyu Joo, Jang Wi Ryu, Chul Huh
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Patent number: 10025025Abstract: A liquid crystal display device includes a liquid crystal display panel, a backlight unit under the liquid crystal display panel, and a guide panel surrounding the backlight unit. The guide panel includes a metal chassis, a first mold, and a second mold. The metal chassis has a plate shape, includes a plurality of through holes, and is formed of a metal material. The first mold is on at least a part of an upper surface and a lateral surface of the metal chassis and within the through holes and is formed of a light absorbing resin. The second mold is between the first mold and the backlight unit and is formed of a light reflecting resin.Type: GrantFiled: June 29, 2016Date of Patent: July 17, 2018Assignee: LG Display Co., Ltd.Inventor: JaeHyun Jin
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Patent number: 10025143Abstract: An array substrate and a fabrication method thereof and a display device are provided. The array substrate comprises: a base substrate; a plurality of gate lines and a plurality of data lines formed on the base substrate, the plurality of gate lines and the plurality of data lines intersecting with each other to define a plurality of sub-pixels, each of the sub-pixels including a thin film transistor and a pixel electrode, and the plurality of sub-pixels including a first sub-pixel; a passivation layer formed on the base substrate and covering the gate lines, the data lines and the thin film transistor, a via hole being provided in the passivation layer and the pixel electrode being formed on the passivation layer and connected with a drain electrode or a source electrode of the thin film transistor through the via hole in each of the sub-pixels; and a first spacer, provided in the via hole of the first sub-pixel.Type: GrantFiled: November 13, 2015Date of Patent: July 17, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Xiaofei Yang, Yuqing Yang, Yanxia Xin, Zailong Mo, Xue Jiang, Xun Mou
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Patent number: 10025147Abstract: A blue phase liquid crystal display device and a manufacturing method thereof are provided. The blue phase liquid crystal display device includes a plurality of pixel units arranged in a matrix, the blue phase liquid crystal display device including: a first substrate and a second substrate arranged opposite to each other, and a blue phase liquid crystal layer arranged between the first substrate and the second substrate. Each of the pixel units includes: first protrusions located on the first substrate; pixel electrodes covering the first protrusions; second protrusions located on the second substrate; and common electrodes covering the second protrusions.Type: GrantFiled: June 19, 2015Date of Patent: July 17, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Juncai Ma
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Patent number: 10018761Abstract: A compensation film includes an elongation film having an elongation rate of greater than or equal to about 200% in a uniaxial direction and having a surface energy of about 40 mJ/m2 to about 65 mJ/m2 and a liquid crystal layer disposed on one side of the elongation film and including liquid crystals.Type: GrantFiled: May 5, 2016Date of Patent: July 10, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ju Hyun Kim, Seunghyun Lee, Hyunseok Choi, Beom Seok Kim
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Patent number: 10018860Abstract: The present invention provides a method for improving visibility of an image display device which is capable of providing an image display device excellent in anti-reflection properties and bright-field contrast even using an optical layered body including a light-transmitting substrate having in-plane birefringence, such as a polyester film. The method of the present invention is a method for improving visibility of an image display device that has an optical layered body including a light-transmitting substrate having in-plane birefringence and an optical functional layer disposed on one surface of the substrate. The method includes the step of disposing the optical layered body such that the slow axis showing a greater refractive index of the light-transmitting substrate is in parallel with the vertical direction of a display screen of the image display device.Type: GrantFiled: March 7, 2014Date of Patent: July 10, 2018Assignee: Dai Nippon Printing Co., Ltd.Inventors: Takashi Kuroda, Makoto Honda
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Patent number: 10007150Abstract: The present invention provides a liquid crystal alignment method and a liquid crystal display panel. The method comprises the steps of: coating a first alignment material layer on a TFT substrate, the first alignment material layer having a plurality of first regions; coating a second alignment material layer on a CF substrate, the second alignment material layer having a plurality of second regions; and utilizing the length of each first region along the row direction as an exposing width and performing an exposing alignment procedure with the exposing width to each first region to form a first alignment layer at the side of the TFT substrate.Type: GrantFiled: May 17, 2016Date of Patent: June 26, 2018Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventor: Weina Yong
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Patent number: 10001675Abstract: There is provided a liquid crystal device having high reliability, a method of manufacturing a liquid crystal device, and an electronic apparatus. A liquid crystal device includes a seal material for sticking an element substrate and a counter substrate together, an encapsulant for filling an opening region in which the seal material is opened, a liquid crystal layer interposed by the element substrate and the counter substrate, a first inorganic alignment film provided between the element substrate and the liquid crystal layer, and a second inorganic alignment film provided between the counter substrate and the liquid crystal layer, in which at least the first inorganic alignment film is expanded and arranged in a region overlapping with the encapsulant in plan view.Type: GrantFiled: February 20, 2014Date of Patent: June 19, 2018Assignee: Seiko Epson CorporationInventors: Hideki Kitahara, Kazunari Sakamoto
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Patent number: 9995953Abstract: The present invention provides a method for improving visibility of an image display device which is capable of providing an image display device excellent in anti-reflection properties and bright-field contrast even using an optical layered body including a light-transmitting substrate having in-plane birefringence, such as a polyester film. The method of the present invention is a method for improving visibility of an image display device that has an optical layered body including a light-transmitting substrate having in-plane birefringence and an optical functional layer disposed on one surface of the substrate. The method includes the step of disposing the optical layered body such that the slow axis showing a greater refractive index of the light-transmitting substrate is in parallel with the vertical direction of a display screen of the image display device.Type: GrantFiled: May 21, 2013Date of Patent: June 12, 2018Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Takashi Kuroda, Makoto Honda
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Patent number: 9995969Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first alignment film, a second substrate including a second alignment film opposed to the first alignment film, and a liquid crystal layer held in a cell gap between the first substrate and the second substrate. The liquid crystal layer is formed of a liquid crystal material having a viscosity of 20 mPa*s or more under a condition of 65° C. The cell gap is greater than or equal to 2.3 ?m and smaller than or equal to 3.3 ?m.Type: GrantFiled: September 13, 2016Date of Patent: June 12, 2018Assignee: Japan Display Inc.Inventor: Kazuhiro Joten
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Patent number: 9989815Abstract: A liquid crystal display device includes an insulating substrate, a data line disposed on the insulating substrate and extended in a first direction, a plurality of pixel electrodes which is disposed on the insulating substrate and in which a slit pattern is defined, a common electrode facing the pixel electrodes, and a liquid crystal layer interposed between the pixel electrodes and the common electrode, where each of the pixel electrodes includes an edge electrode portion and a plurality of branch electrode portions protruding in a direction toward a central portion of the pixel electrode from the edge electrode portion, and at least a portion of the edge electrode portion overlaps the data line.Type: GrantFiled: January 25, 2016Date of Patent: June 5, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Gyun Kim, Heung Shik Park, Kyung Min Kim, Hoon Kim, Ki Chul Shin
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Patent number: 9983434Abstract: Disclosed is a transflective liquid crystal display panel and transflective liquid crystal display device. The transflective liquid crystal display panel includes: an array substrate which is provided thereon with a plurality of sub-pixel areas, each of the sub-pixel areas including a transmissive area and a reflecting area; and a polarizer arranged at an outer surface of the array substrate and having a first surface facing a backlight source. An area of the first surface, which corresponds to the reflecting area, is at least partly provided therein with a reflecting layer. The present disclosure achieves the technical effect of preventing the light emitted by a backlight source from being absorbed by the polarizer in the reflecting process, thus avoiding light loss and consequently improving the utilization rate of the backlight source. The display panel and the display device provided by the present disclosure are simple in structures, which greatly reduces the production cost thereof.Type: GrantFiled: April 23, 2015Date of Patent: May 29, 2018Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventor: Chang Xie
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Patent number: 9977277Abstract: The present invention discloses a liquid crystal panel and a liquid crystal device (LCD). The liquid crystal panel includes a color-film (CF) substrate and a thin film transistor (TFT) array substrate opposite to the CF substrate. The CF substrate and the TFT array substrate are spaced apart from each other. The CF substrate includes a first substrate, a plurality of photo-resist units, and a plurality of masking units. The photo-resist units and the masking units are arranged on a surface of the first substrate adjacent to the TFT array substrate. The photo-resist units are spaced apart from each other, and the masking unit is configured between the adjacent photo-resist units. The TFT array substrate includes a second substrate and a plurality of first transparent electrode units.Type: GrantFiled: May 26, 2016Date of Patent: May 22, 2018Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventor: Guangbao Fan
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Patent number: 9965087Abstract: A touch array substrate, a liquid crystal display panel and a liquid crystal display device. The touch array substrate includes: a substrate; a touch sensing electrode layer including a plurality of touch sensing electrodes insulated from each other, each of which is electrically connected with one touch sensing electrode line; where, the touch sensing electrode includes a first slot, and a first region, which represents a projection of the first slot onto the substrate in a direction perpendicular to the substrate and is at least partially overlapped with a second region which represents a projection of the touch sensing electrode line onto the substrate in the direction perpendicular to the substrate.Type: GrantFiled: January 21, 2016Date of Patent: May 8, 2018Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Huimin Xie, Xiufeng Zhou, Tao Peng, Zhaodong Zhang
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Patent number: 9958717Abstract: Disclosed is a method of adjusting a display size, comprising steps of: providing a display, including a first substrate, a second substrate and an image generating medium; locating first and second cutting lines on the first and second substrates, and an orthographic projection of the first cutting line on the second substrate does not overlap with the second cutting line; cutting the first substrate and the image generating medium along the first cutting line to form a first reservation part and a part of the image generating medium corresponding thereto, and cutting the second substrate along the second cutting line to form a second reservation part, and the second reservation part protrudes relative to the first reservation part to form a protruding part; adding adhesive on the protruding part to make the adhesive permeate between the first reservation part and the second reservation part to solidify the adhesive.Type: GrantFiled: April 29, 2016Date of Patent: May 1, 2018Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Jie Chen, Dike Shan, Shih-ying Sun