| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 81 | LIQUID CRYSTAL DISPLAY DEVICE | US15312724 | 2015-07-14 | US20170190972A1 | 2017-07-06 | Takeshi Kuriyama; Jouji Kawamura; Mika Yamamoto; Yasuhiro Kuwana |
| The present invention provides a liquid crystal display device that is free from a reduction in the voltage holding ratio (VHR) of the liquid crystal layer and an increase in ion density (ID) and that enables problems of defective display, such as white spots, uneven alignment, and image-sticking, to be eliminated. In particular, the present invention provides a liquid crystal display device in which a liquid crystal composition containing a liquid crystal compound having a specific structure is used in the liquid crystal layer and in which an optically anisotropic body formed through polymerization of a polymerizable liquid crystal composition containing a specific amount of a polymerizable liquid crystal compound having a specific structure is used as an in-cell retardation layer. | ||||||
| 82 | Retardation film, and optical compensation layer, optical compensation polarizing plate, liquid crystal display device and organic EL display device each using said retardation film | US15030683 | 2014-10-20 | US09671544B2 | 2017-06-06 | Ryutaro Mukai; Tomohiro Abo |
| The present invention achieves a phase difference film that is excellent in wavelength dispersion property, in-plane retardation, and film thickness, by using a polymeric material (i) which is composed of at least one type of cellulose derivative having a specific alkoxyl group substitution degree D1 and a specific 2-naphthoyl group substitution degree D2 and (ii) which has a specific total 2-naphthoyl group substitution degree D3. | ||||||
| 83 | Liquid crystal display apparatus | US14686385 | 2015-04-14 | US09618794B2 | 2017-04-11 | Manabu Hamamoto; Yoshihisa Iwamoto |
| There is provided a liquid crystal display apparatus in which a retardation Δnd of a liquid crystal layer is greater than 2 μm. Absorbing axes of the first polarizer and the second polarizer are in parallel to an alignment direction of the liquid crystal molecules on surfaces of the first substrate or the second substrate. A slow axis of the optical film and the absorbing axes of the first polarizer and the second polarizer are in parallel to each other or orthogonal to each other. An in-plane retardation of the optical film is from 300 nm to 430 nm. | ||||||
| 84 | METHOD FOR PRODUCING RETARDATION FILM | US15036591 | 2014-11-12 | US20160291229A1 | 2016-10-06 | Taku HATANO; Yasuhide FUJINO |
| A method for manufacturing a phase difference film having specific optical properties from a pre-stretch film that includes a resin layer (a) made of a resin A containing polycarbonate and a resin layer (b) made of a resin B having a negative intrinsic birefringence, wherein the pre-stretch film has a property of exhibiting a phase difference that varies depending on temperatures. The method includes a stretching step of performing uniaxial stretching two or more times at different temperatures and in different directions, so that a resin layer having a specific plane orientation coefficient is obtained by stretching the resin layer (a), and a resin layer having specific birefringence and specific Nz coefficient is obtained by stretching the resin layer (b). The resin A has a specific glass transition temperature TgA, and the TgA and a glass transition temperature TgB of the resin B satisfy a specific relationship. | ||||||
| 85 | Liquid Crystal Display and Optical Compensation Method Applied in Liquid Crystal Display | US14379702 | 2014-07-02 | US20160011449A1 | 2016-01-14 | Chihtsung KANG; Bo HAI |
| The present invention provides an LCD and an optical compensating method applied in the LCD. By changing compensation values of an uniaxial positively birefringent A-Plate and an uniaxial negatively birefringent C-Plate, especially the compensation value Rth of the uniaxial negatively birefringent C-Plate, the present invention weakens leakage light under wide viewing angle; embodying the present invention can effectively increase wide viewing angle contrast ratio and resolution. | ||||||
| 86 | Optical compensation film | US13690913 | 2012-11-30 | US09188786B2 | 2015-11-17 | Moon Yeon Lee; Hee Kyung Kim; Kyu Yeol In; Jae Hyun Kim; Hyung Jun Kim; Won Cheol Jung; Hyeon Ho Choi; Woo Joong Kim; Kyoung Ah Oh |
| An optical compensation film includes: a first layer having positive birefringence; a second layer on the first layer and having negative birefringence; and a third layer on the second layer and having positive birefringence. A retardation value of the optical compensation film for incident light having a wavelength of about 550 nm is about 135 nm to about 145 nm, and a ratio of a thickness of the first layer or of the third layer to a thickness of the second layer is about 1.1 to 2.2. | ||||||
| 87 | LIQUID CRYSTAL PANEL AND POLARIZING LAMINATE FOR USE IN THE LIQUID CRYSTAL PANEL | US14646355 | 2014-09-03 | US20150293407A1 | 2015-10-15 | Toshiyuki Iida; Takeharu Kitagawa |
| A liquid crystal panel which is capable of significantly reducing a thickness thereof as compared to conventional liquid crystal panels, and, when used in a liquid crystal display device using a liquid crystal cell such as an IPS-type liquid crystal cell, reducing oblique light leakage in a black state of the liquid crystal display device to enhance contrast. | ||||||
| 88 | Optical compensation films with mesogen groups for liquid crystal display | US11731284 | 2007-03-29 | US09096719B2 | 2015-08-04 | Dong Zhang; Frank W. Harris; Xiaoliang Joe Zheng; Jiaokai Alexander Jing; Thauming Kuo; Brian Michael King; Ted Calvin Germroth; Qifeng Zhou |
| Optical compensation films (positive C-plate) with mesogen anisotropic subunits (OASUs) that have high positive birefringence throughout the wavelength range 400 nm<λ<800 nm are provided. The optical compensation films may be processed by solution casting to yield a polymer film with high birefringence without the need for stretching, photopolymerization, or other processes. Such optical compensation films are suitable for use as a positive C-plate in LCDs, particularly IPS-LCDs. | ||||||
| 89 | OPTICALLY ANISOTROPIC SUBSTANCE AND LIQUID CRYSTAL DISPLAY | US14542957 | 2014-11-17 | US20150146156A1 | 2015-05-28 | Yoshiharu HIRAI; Nagahisa MIYAGAWA; Daisuke OOTSUKI; Mayumi TANABE; Kazumi NARA |
| To provide an optically anisotropic substance having a negative uniaxial phase difference film and a positive uniaxial phase difference film, and excellent heat resistance and sputtering resistance. The positive uniaxial phase difference film is formed in combination with a bifunctional polymerizable liquid crystal compound, the negative uniaxial phase difference film is formed in combination of the bifunctional polymerizable liquid crystal compound with an optically active compound having a polymerizable binaphthol moiety, and additional thermosetting treatment (postcure) is applied after the negative uniaxial phase difference film is photocured, and when glass transition temperature after the negative uniaxial phase difference film is cured is 85° C. or higher and 115° C. or lower, additional thermosetting treatment temperature is adjusted to 220° C. or higher and 250° C. or lower, and when the glass transition temperature is higher than 115° C., the additional thermosetting treatment temperature is adjusted to 200° C. or higher and 250° C. or lower. | ||||||
| 90 | LIQUID CRYSTAL DISPLAY DEVICE | US14382021 | 2013-02-26 | US20150029437A1 | 2015-01-29 | Akira Sakai; Hisashi Watanabe; Yuichi Iyama; Akiko Miyazaki; Yasushi Asaoka; Eiji Satoh |
| A liquid crystal display device that can prevent light leakage in black images, has an improved viewing angle of white images, and can avoid an increase in the thickness and additional costs. The liquid crystal display device includes: a collimating backlight unit; and a liquid crystal display panel. The liquid crystal display panel includes: a pair of substrates; and a liquid crystal layer disposed between the substrates, and the liquid crystal layer includes a polymer dispersed liquid crystal. | ||||||
| 91 | Liquid crystal display device having retardation film formed of liquid crystalline polyimide having photoreactive group | US13384339 | 2010-06-30 | US08730435B2 | 2014-05-20 | Kazuhiko Saigusa; Norio Tamura |
| In a liquid crystal display device having a plurality of retardation films for alleviating a deterioration in display quality depending on a viewing angle direction, and a driving liquid crystal layer selected from the group consisting of a driving liquid crystal layer typified by a VA mode wherein a liquid crystal molecule in a driving liquid crystal medium is aligned perpendicular to a substrate when no electric field is applied, a driving liquid crystal layer typified by an IPS mode wherein a liquid crystal molecule in a driving liquid crystal medium is aligned parallel to the substrate when no electric field is applied, and a driving liquid crystal layer that shows optical isotropy when no voltage is applied, a retardation film of a positive A-plate formed of a liquid crystalline polyimide having a photoreactive group is used as at least one layer of the plurality of retardation films. | ||||||
| 92 | DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME | US13672182 | 2012-11-08 | US20130065475A1 | 2013-03-14 | Hyun-cheol MOON; Jooseok YEOM |
| A method of manufacturing a display apparatus. The liquid crystal display includes a first substrate and a pixel electrode formed on the first substrate and having a plurality of branches. A plurality of alignment sections are interposed among the branches. An auxiliary liquid crystal layer having discotic liquid crystals is formed on the pixel electrode and the alignment sections. A main liquid crystal layer having a vertical alignment mode is formed on the auxiliary liquid crystal layer. A common electrode is formed on the main liquid crystal layer to apply an electric field to the main liquid crystal layer together with the pixel electrode. A second substrate is formed on the common electrode. | ||||||
| 93 | Liquid crystal panel, liquid crystal display device and terminal device | US13243562 | 2011-09-23 | US08395731B2 | 2013-03-12 | Shinichi Uehara; Jin Matsushima; Ken Sumiyoshi |
| To provide a liquid crystal panel capable of realizing excellent display performance using a circular polarizing plate therein, and a liquid crystal display device and a terminal device using the same, with respect to a semi-transmission type liquid crystal display device in a horizontal electric field mode (In-Plane Switching: IPS).A viewer-side circular polarizing plate and a backside circular polarizing plate are disposed outside of a viewer-side substrate and a backside substrate respectively, and a viewer-side compensation plate and a backside compensation plate are disposed between the respective polarizing plates and substrates to reduce a refractive index anisotropy of a liquid crystal layer. | ||||||
| 94 | Retardation film, polarizing film, liquid crystal display, and method of designing retardation film | US13370398 | 2012-02-10 | US08284358B2 | 2012-10-09 | Akira Sakai |
| To provide a retardation film in which the retardation condition is adjusted to achieve a liquid crystal display without coloration over a wide viewing angle range and having a high contrast ratio, and a method of designing the same, as well as a polarizing film and a liquid crystal display using the same. A liquid crystal display comprising a liquid crystal cell and polarizing films in a Cross-Nicol relationship with each other on both sides of the liquid crystal cell; wherein at least one polarizing film includes a retardation film having reverse wavelength dispersion property; and the liquid crystal display further includes a retardation film having a wavelength dispersion property substantially the same as a liquid crystal layer configuring the liquid crystal cell. | ||||||
| 95 | Liquid crystal display device | US13364536 | 2012-02-02 | US08223304B2 | 2012-07-17 | Motohiro Itadani; Shuhei Okude; Shunsuke Yamanaka; Kohei Arakawa |
| A liquid crystal display device of an in-plane switching mode comprises at least optically anisotropic members (A) and (B) and a liquid crystal cell disposed between a pair of polarizers having absorption axes disposed approximately perpendicularly to each other, wherein nzA>nyA and nxB>nzB (nxA, nxB: refractive indices (n) in the direction of the in-plane slow axis; nyA, nyB: n in the in-plane direction perpendicular to the above direction; nzA, nzB: n in the direction of thickness, each at 550 nm); the in-plane slow axes of (A) and (B) are approximately parallel or perpendicular to each other; and the in-plane slow axis of (A) is approximately parallel or perpendicular to the absorption axis of a polarizer closer to (A). The antireflection property, scratch resistance and durability are excellent, the angle of field is wide, and uniform display of images with great contrast can be achieved at any angle of observation. | ||||||
| 96 | RETARDATION FILM, POLARIZING FILM, LIQUID CRYSTAL DISPLAY, AND METHOD OF DESIGNING RETARDATION FILM | US13370398 | 2012-02-10 | US20120140152A1 | 2012-06-07 | Akira SAKAI |
| To provide a retardation film in which the retardation condition is adjusted to achieve a liquid crystal display without coloration over a wide viewing angle range and having a high contrast ratio, and a method of designing the same, as well as a polarizing film and a liquid crystal display using the same. A liquid crystal display comprising a liquid crystal cell and polarizing films in a Cross-Nicol relationship with each other on both sides of the liquid crystal cell; wherein at least one polarizing film includes a retardation film having reverse wavelength dispersion property; and the liquid crystal display further includes a retardation film having a wavelength dispersion property substantially the same as a liquid crystal layer configuring the liquid crystal cell. | ||||||
| 97 | LIQUID CRYSTAL DISPLAY DEVICE | US13364536 | 2012-02-02 | US20120133866A1 | 2012-05-31 | Motohiro Itadani; Shuhei Okude; Shunsuke Yamanaka; Kohei Arakawa |
| A liquid crystal display device of an in-plane switching mode comprises at least optically anisotropic members (A) and (B) and a liquid crystal cell disposed between a pair of polarizers having absorption axes disposed approximately perpendicularly to each other, wherein nzA>nyA and nxB>nzB (nxA, nxB: refractive indices (n) in the direction of the in-plane slow axis; nyA, nyB: n in the in-plane direction perpendicular to the above direction; nzA, nzB: n in the direction of thickness, each at 550 nm); the in-plane slow axes of (A) and (B) are approximately parallel or perpendicular to each other; and the in-plane slow axis of (A) is approximately parallel or perpendicular to the absorption axis of a polarizer closer to (A). The antireflection property, scratch resistance and durability are excellent, the angle of field is wide, and uniform display of images with great contrast can be achieved at any angle of observation. | ||||||
| 98 | LIQUID CRYSTAL PANEL, LIQUID CRYSTAL DISPLAY DEVICE AND TERMINAL DEVICE | US13243562 | 2011-09-23 | US20120075554A1 | 2012-03-29 | Shinichi UEHARA; Jin MATSUSHIMA; Ken SUMIYOSHI |
| To provide a liquid crystal panel capable of realizing excellent display performance using a circular polarizing plate therein, and a liquid crystal display device and a terminal device using the same, with respect to a semi-transmission type liquid crystal display device in a horizontal electric field mode (In-Plane Switching: IPS).A viewer-side circular polarizing plate and a backside circular polarizing plate are disposed outside of a viewer-side substrate and a backside substrate respectively, and a viewer-side compensation plate and a backside compensation plate are disposed between the respective polarizing plates and substrates to reduce a refractive index anisotropy of a liquid crystal layer. | ||||||
| 99 | Retardation film, polarizing film, liquid crystal display, and method of designing retardation film | US13137609 | 2011-08-30 | US08139188B2 | 2012-03-20 | Akira Sakai |
| To provide a retardation film in which the retardation condition is adjusted to achieve a liquid crystal display without coloration over a wide viewing angle range and having a high contrast ratio, and a method of designing the same, as well as a polarizing film and a liquid crystal display using the same. A liquid crystal display comprising a liquid crystal cell and polarizing films in a Cross-Nicol relationship with each other on both sides of the liquid crystal cell; wherein at least one polarizing film includes a retardation film having reverse wavelength dispersion property; and the liquid crystal display further includes a retardation film having a wavelength dispersion property substantially the same as a liquid crystal layer configuring the liquid crystal cell. | ||||||
| 100 | Liquid crystal display device | US12560949 | 2009-09-16 | US08134666B2 | 2012-03-13 | Motohiro Itadani; Shuhei Okude; Shunsuke Yamanaka; Kohei Arakawa |
| A liquid crystal display device of an in-plane switching mode comprises at least optically anisotropic members (A) and (B) and a liquid crystal cell disposed between a pair of polarizers having absorption axes disposed approximately perpendicularly to each other, wherein nzA>nyA and nxB>nzB (nxA, nxB: refractive indices (n) in the direction of the in-plane slow axis; nyA, nyB: n in the in-plane direction perpendicular to the above direction; nzA, nzB: n in the direction of thickness, each at 550 nm); the in-plane slow axes of (A) and (B) are approximately parallel or perpendicular to each other; and the in-plane slow axis of (A) is approximately parallel or perpendicular to the absorption axis of a polarizer closer to (A). The antireflection property, scratch resistance and durability are excellent, the angle of field is wide, and uniform display of images with great contrast can be achieved at any angle of observation. | ||||||
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