| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 121 | Acrylic film, optical compensation film, and ips or ffs mode liquid crystal display device using the same | JP2009086914 | 2009-03-31 | JP2010102296A | 2010-05-06 | UMIHOKO HIROYUKI; NOMURA TATSUO; TAKEGAMI RYUTA |
| <P>PROBLEM TO BE SOLVED: To provide a new optical compensation film with which a more ideal black display is achieved by reducing light leakage produced in the slanting direction when a liquid crystal display device of an IPS mode or of the like displays black. <P>SOLUTION: In a plane which is vertical to an in-plane slow axis of the film and includes the normal of the film surface, when an angle ϕ which gives the minimum value of the retardation R[ϕ] measured from a direction being slanted by ϕ° from the normal to the film surface direction is represented by an inclination angle β[°], and the retardation at a wavelength of 550 nm in the thickness direction is represented by Rth(550), the optical compensation film for the IPS has β and Rth(550) satisfying inequalities β≠0 and Rth(550)≠0. The FFS mode liquid crystal display is also provided. <P>COPYRIGHT: (C)2010,JPO&INPIT | ||||||
| 122 | Optical film, liquid crystal panel using the same and liquid crystal display device | JP2008214414 | 2008-08-22 | JP2009163210A | 2009-07-23 | UWADA KAZUTAKA; YOSHIMI HIROYUKI; TAKEDA KENTARO |
| <P>PROBLEM TO BE SOLVED: To provide an optical film for a VA (vertical alignment) mode liquid crystal cell of a multi-domain type which can improve luminance of white display at a low cost without lowering a display quality. <P>SOLUTION: The optical film 10 is used for the VA mode liquid crystal cell of a multi-domain type, having a transparent polymer film 11, a polarizer 12 and an optical compensation layer 14, laminated in this order. Further the optical film has a λ/4 plate 13 and the λ/4 plate 13 is arranged between the polarizer 12 and the optical compensation layer 14. An angle between an absorption axis of the polarizer 12 and a phase lagging axis of the λ/4 plate 13 is set in a range of 45±5°. <P>COPYRIGHT: (C)2009,JPO&INPIT | ||||||
| 123 | Ips liquid crystal display comprising compensation film for angular field of view using positive a-plate and positve c-plate | JP2009058089 | 2009-03-11 | JP2009122715A | 2009-06-04 | JEON BYOUNG KUN; SERGEY BELYAEV; YU JEONG SU; NIKOLAY MALIMONENKO |
| <P>PROBLEM TO BE SOLVED: To provide an IPS-LCD which has high-contrast characteristic and a low color shift at front and at an inclination angle, by minimizing light leakage in a black state at the inclination angle. <P>SOLUTION: The present invention relates to the IPS liquid crystal display which improves the contrast characteristics at the front and at an inclination angle thereof, and design conditions and manufacture of the compensation film for angular field of view, by using a positive A-plate and a positive C-plate of a positive uniaxial retardation film, while minimizing color shifts, according to the viewing angles in the black state. <P>COPYRIGHT: (C)2009,JPO&INPIT | ||||||
| 124 | + A- plate and + c-plate ips liquid crystal display device including a compensation film of the viewing angle with | JP2006500712 | 2004-10-22 | JP2006524347A | 2006-10-26 | ジョン−スー・ユー; セルゲイ・ビリャエフ; ニコライ・マリモネンコ; ビョン−クン・ジョン |
| 本発明は、ＩＰＳ液晶表示装置において正面と傾斜角でのコントラスト特性を向上し、暗状態での視野角による色ずれが最小化できる、正の一軸性位相差フィルムの＋Ａ−プレートと＋Ｃ−プレートを用いた視野角の補償フィルムの設計条件と作製に係る。 | ||||||
| 125 | Liquid crystal display | JP2000571307 | 1999-09-22 | JP3717054B2 | 2005-11-16 | マーティン デイビッド ティリン，; ヘニング モールセン， |
| 126 | DISPLAY DEVICE AND DISPLAY METHOD FOR DISPLAY DEVICE | US16115694 | 2018-08-29 | US20190204634A1 | 2019-07-04 | Fei LIANG; Jingjun DU; Lingyu SUN; Xiuyun CHEN |
| Embodiments of the present disclosure relate to a display device and a display method for the display device. The display device includes a reflective display panel and an optical device adjacent to the reflective display panel, wherein the optical device includes a light source and an actuation mechanism configured for actuating the light source. | ||||||
| 127 | LIQUID CRYSTAL CELLS FOR POLARIZATION ROTATION | US15969007 | 2018-05-02 | US20180335630A1 | 2018-11-22 | Lu Lu; Fenglin Peng; Mengfei Wang; Wai Sze Tiffany Lam; Scott Charles McEldowney |
| An optical element comprising a stacked liquid crystal (LC) structure for rotating polarization (e.g., handedness) of an incident circularly polarized light over a broad wavelength and incident angle for head-mounted displays (HMD)s display application is proposed. The stacked LC structure has a dual cell structures, which includes at least a first LC cell and a second LC cell, and the stacked LC structure rotates the polarized light for a broad band of light (e.g., visible spectrum) over a given field a view. The performance of designed dual LC cells structures may be optimized for narrow band wavelength and a narrow incident angle for different application cases. | ||||||
| 128 | Reflective display device | US15651457 | 2017-07-17 | US10067376B2 | 2018-09-04 | Seon Ah Cho; Young Jin Park |
| A reflective display device including: a reflection plate; a liquid crystal layer disposed on the reflection plate, the liquid crystal layer including a liquid crystal aligned vertically in an initial alignment state, a first phase delay layer disposed on the liquid crystal layer; a reflective polarizing element disposed on the first phase delay layer; and an absorptive polarizing element disposed on the reflective polarizing element, wherein external light incident on the absorptive polarizing element is in an unpolarized state. | ||||||
| 129 | COMPENSATION FILM AND ANTIREFLECTIVE FILM AND DISPLAY DEVICE | US15581910 | 2017-04-28 | US20180149784A1 | 2018-05-31 | Ju Hyun KIM; Hyunseok CHOI; Sangah GAM |
| A compensation film satisfies Inequalities 1 and 2, and an antireflective film and a display device are provided with the compensation film. 0.90 ≤ R e ( θ° ) + R e ( - θ° ) 2 R e ( 0 ° ) ≤ 1.20 [ Inequality 1 ] R e ( 450 nm ) < R e ( 550 nm ) < R e ( 650 nm ) [ Inequaltiy 2 ] | ||||||
| 130 | Image display device | US15328916 | 2015-07-08 | US09946128B2 | 2018-04-17 | Kenta Fukuoka |
| In an image display device including a first display panel and a second display panel, there are provided a first panel body, a first panel body emission-side polarizing plate disposed at a front-surface side with respect to the first panel body, a second panel body, a second panel body incidence-side polarizing plate disposed at a back-surface side with respect to the second panel body, at least one inter-panel polarizing plate disposed between the first panel body and the second panel body, and a back-surface irradiation light source configured to emit light toward the back-surface side. The back-surface irradiation light source is provided in one of regions between the first panel body emission-side polarizing plate and the second panel body incidence-side polarizing plate. | ||||||
| 131 | Liquid crystal display | US14417538 | 2015-01-05 | US09638958B2 | 2017-05-02 | Bo Hai; Chihtsung Kang |
| An LCD includes a first TAC film, a first optical uniaxial phase compensating film, an LC cell, a second optical uniaxial phase compensating film and a second TAC film from the incident surface to the emitting surface. The first optical uniaxial phase compensating film is used for providing a first compensating value and a second compensating value by adjusting thickness and by adjusting a first refractive index, a second refractive index, and a third refractive index. The second optical uniaxial phase compensating film is used for providing a third compensating value by adjusting thickness and by adjusting a fourth refractive index, a fifth refractive index, and a sixth refractive index. Leakage of light is controlled according to the first compensating value, the second compensating value, and the third compensating value in the LCD. | ||||||
| 132 | Liquid crystal panel and liquid crystal display | US14938902 | 2015-11-12 | US09632360B2 | 2017-04-25 | Chih-tsung Kang; Bo Hai |
| A liquid crystal panel and a liquid crystal display are disclosed. The liquid crystal display includes a liquid crystal cell having a light incident side and a light emitting side, a first polarizer arranged on the light incident side of the liquid crystal panel, a second polarizer arranged on the light emitting side of the liquid crystal panel, and a half wave plate arranged between the first polarizer and the liquid crystal cell. An absorbing axis of the first polarizer is parallel to the absorbing axis of the second polarizer, and an angle between a slow axis of the half wave plate and the absorbing axis of the first polarizer is 45 or 135 degrees. In this way, the liquid crystal display with the two polarizers parallel to each other can be in all-black state when no voltage is applied. In addition, the contrast is greatly enhanced. | ||||||
| 133 | Liquid crystal panel and liquid crystal display | US15069132 | 2016-03-14 | US09618795B2 | 2017-04-11 | Toshiyuki Iida; Nao Murakami |
| The liquid crystal panel includes a liquid crystal cell, a first polarizer on one side of the liquid crystal cell, a second polarizer on the other side of the liquid crystal cell, a first optically anisotropic element disposed between the liquid crystal cell and the first polarizer, and a second optically anisotropic element disposed between the first optically anisotropic element and the liquid crystal cell. Absorption axes of the first and the second polarizers are perpendicular to each other. The first optically anisotropic element has a slow axis direction parallel to the absorption axis direction of the first polarizer. The second optically anisotropic element has a slow axis direction perpendicular to the absorption axis direction of the first polarizer. The first and the second optically anisotropic elements each have in-plane and thickness-direction retardation values within specific ranges, respectively. | ||||||
| 134 | Liquid crystal display | US14160055 | 2014-01-21 | US09513509B2 | 2016-12-06 | Jin-Hoon Kim; Kwang-Hyun Kim; Dae Won Kim; Seung Beom Park; Beong-Hun Beon; Seung Hee Lee; Yun Jang; Na Young Shin; Sang-Gu Lee |
| A liquid crystal display includes a first substrate and a second substrate facing each other. A color filter is positioned on the first substrate. A liquid crystal layer is interposed between the first substrate and the second substrate. A first polarizer is positioned on an outer surface of the first substrate. A first compensation film is positioned on an outer surface of the first polarizer. A second compensation film is positioned on an outer surface of the second substrate. A third compensation film is positioned on an outer surface of the second compensation film. A second polarizer is positioned on an outer surface of the third compensation film. The second compensation film includes a negative C-plate, and the third compensation film includes a biaxial film. | ||||||
| 135 | LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY | US15069132 | 2016-03-14 | US20160274400A1 | 2016-09-22 | Toshiyuki Iida; Nao Murakami |
| The liquid crystal panel includes a liquid crystal cell, a first polarizer on one side of the liquid crystal cell, a second polarizer on the other side of the liquid crystal cell, a first optically anisotropic element disposed between the liquid crystal cell and the first polarizer, and a second optically anisotropic element disposed between the first optically anisotropic element and the liquid crystal cell. Absorption axes of the first and the second polarizers are perpendicular to each other. The first optically anisotropic element has a slow axis direction parallel to the absorption axis direction of the first polarizer. The second optically anisotropic element has a slow axis direction perpendicular to the absorption axis direction of the first polarizer. The first and the second optically anisotropic elements each have in-plane and thickness-direction retardation values within specific ranges, respectively. | ||||||
| 136 | Liquid crystal display device | US14374239 | 2013-01-25 | US09429791B2 | 2016-08-30 | Akira Sakai; Masahiro Hasegawa; Takayuki Nishiyama |
| The present invention provides a liquid crystal display device which can achieve cost reduction, excellent productivity, and a high contrast ratio within a wide viewing angle range. The liquid crystal display device of the present invention includes, in the order set forth, a first polarizer, a first λ/4 plate, a liquid crystal cell, a second λ/4 plate, a third Type-I birefringent layer, a Type-IV birefringent layer, and a second polarizer. An in-plane slow axis of the first λ/4 plate forms an angle of about 45° with an absorption axis of the first polarizer. An in-plane slow axis of the second λ/4 plate is substantially perpendicular to the in-plane slow axis of the first λ/4 plate. An absorption axis of the second polarizer is substantially perpendicular to the absorption axis of the first polarizer. An in-plane slow axis of the third Type-I birefringent layer is substantially parallel with the absorption axis of the second polarizer. The liquid crystal display device displays a black screen by aligning liquid crystal molecules in the liquid crystal layer in the direction substantially vertical to the substrate surface. | ||||||
| 137 | LIQUID CRYSTAL PANEL AND LIQUID CRYSTAL DISPLAY | US14938902 | 2015-11-12 | US20160062167A1 | 2016-03-03 | Chih-tsung KANG; Bo HAI |
| A liquid crystal panel and a liquid crystal display are disclosed. The liquid crystal display includes a liquid crystal cell having a light incident side and a light emitting side, a first polarizer arranged on the light incident side of the liquid crystal panel, a second polarizer arranged on the light emitting side of the liquid crystal panel, and a half wave plate arranged between the first polarizer and the liquid crystal cell. An absorbing axis of the first polarizer is parallel to the absorbing axis of the second polarizer, and an angle between a slow axis of the half wave plate and the absorbing axis of the first polarizer is 45 or 135 degrees. In this way, the liquid crystal display with the two polarizers parallel to each other can be in all-black state when no voltage is applied. In addition, the contrast is greatly enhanced. | ||||||
| 138 | Liquid crystal display device and phase compensation method for the same | US13943002 | 2013-07-16 | US09158158B2 | 2015-10-13 | Xuecheng Hou; Ang Xiao; Kai Lu |
| A liquid crystal display device and a phase compensation method for the same are provided. The liquid crystal display device includes: a lower substrate, an upper substrate opposed to the lower substrate, a first polarizer assembly located on a surface of the lower substrate, a second polarizer assembly located on a surface of the upper substrate and a liquid crystal layer located between the upper substrate and the lower substrate; the first polarizer assembly including a first polarizing plate and a first optical retardation thin film; the second polarizer assembly including a second polarizing plate and a second optical retardation thin film; wherein, the first polarizer assembly further includes a first wave plate; the second polarizer assembly further includes a second wave plate. | ||||||
| 139 | OPTICAL COMPENSATION FILM FOR LIQUID CRYSTAL DISPLAY AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME | US14241427 | 2014-01-21 | US20150277175A1 | 2015-10-01 | Chih-Tsung Kang; Bo Hai |
| The present disclosure proposes an optical compensation film for a liquid crystal display, including a first C-plate arranged on one side of a liquid crystal panel, a first polyvinyl alcohol layer arranged outside the first C-plate, a second C-plate arranged on the other side of the liquid crystal panel, an A-plate arranged outside the second C-plate and a second polyvinyl alcohol layer arranged outside the A-plate, wherein the in-plane compensation value for optical path difference of the A-plate lies in the range of [92, 184] nm, the compensation value for optical path difference in the thickness direction of the A-plate lies in the range of [46, 92] nm. The present disclosure also proposes a liquid crystal display including the above-mentioned optical compensation film for reducing light leakage and increasing contrast. | ||||||
| 140 | LIQUID CRYSTAL DISPLAY | US13704630 | 2012-09-06 | US20150177550A1 | 2015-06-25 | Chihtsung Kang; Bo Hai |
| An LCD includes a TAC film, a PVA film, a biaxial compensation film, an LC cell, a second TAC film, a second PVA film, and a third TAC film from the incident surface to the emitting surface. The biaxial compensation film is used for providing a first retardation value and a second retardation value by adjusting thickness and by adjusting a first refractive index, a second refractive index, and a third refractive index. The second TAC film is used for providing a third retardation value by adjusting thickness and by adjusting a fourth refractive index, a fifth refractive index, and a sixth refractive index corresponding to the light in the first direction, the light in the second direction, and the light in the third direction, respectively. Leakage of light is controlled according to the first retardation value, the second retardation value, and the third retardation value in the LCD. | ||||||
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