| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 141 | DISPLAY PANEL FOR COMPENSATING A VIEWING ANGLE AND DISPLAY APPARATUS HAVING THE SAME | US14245080 | 2014-04-04 | US20150049284A1 | 2015-02-19 | Il-yong JUNG; Tsukasa YAMADA; Seong-eun CHUNG; Seung-myen LEE |
| A liquid crystal display (LCD) panel is provided. The LCD panel includes: a liquid crystal layer configured to operate in a first preset phase retardation mode based on an operating mode of liquid crystals; a pre-tilt layer configured to guide a rotation direction of the liquid crystals; a polarizing layer formed on a surface of the upper substrate and having a wire grid structure to polarize and filter radiated light passing through the liquid crystal layer; and a retardation compensation film disposed between the polarizing layer and the upper substrate and configured to compensate phase retardation of the radiated light, wherein the retardation compensation film includes: a first compensation layer configured to retard the radiated light in a second phase retardation mode having a negative phase retardation; and a second compensation layer configured to retard the radiated light in a third phase retardation mode. | ||||||
| 142 | LIQUID CRYSTAL DISPLAY DEVICE | US14374239 | 2013-01-25 | US20140368771A1 | 2014-12-18 | 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. | ||||||
| 143 | Optical film laminate, method for producing the same, and liquid crystal display panel using the same | US13491927 | 2012-06-08 | US08902398B2 | 2014-12-02 | Takeya Sakai |
| Provided is an optical film laminate with a thinner thickness having an optical compensation function. According to the present invention is provided an optical film laminate comprising (i) a positive C plate comprising a liquid crystal material having a photosensitive group and (ii) a positive A plate, an optically biaxial plate, or an O plate, these plate comprising a liquid crystal material having a photosensitive group; wherein the both plates are directly bonded with each other to be firmly laminated without adhesive. | ||||||
| 144 | LIQUID CRYSTAL DISPLAY DEVICE WITH WIDE-VIEWING ANGLE | US14144142 | 2013-12-30 | US20140192297A1 | 2014-07-10 | Sang-Woong CHOI; Jeong-Hoon KO; Hyoun-Sung SON; Eun-Jung KIM; Dong-Ha YOO |
| An LCD device includes a liquid crystal panel; a first polarizer attached to a first surface of the liquid crystal panel and including a first polarizing film, first and second optical compensation films disposed on one surface of the first polarizing film, and a phase retardation film, a protective film and a functional film disposed on another surface of the first polarizing film; and a second polarizer attached to a second surface of the liquid crystal panel and including a second polarizing film, an inner protective film disposed on one surface of the second polarizing film, and an outer protective film disposed on another surface of the second polarizing film, wherein the first polarizing film is disposed between the phase retardation film and the liquid crystal panel, and the phase retardation film has a retardation value of λ/4. | ||||||
| 145 | METHOD OF PRODUCING AN OPTICAL COMPENSATION FILM | US14146291 | 2014-01-02 | US20140117570A1 | 2014-05-01 | Hiroyuki KAIHOKO; Tatsuho NOMURA; Ryuta TAKEGAMI |
| The invention relates to an optical compensation film for IPS or FFS-mode liquid crystal display devices, having the tilt angle β[°] not equal to zero, β[°] being defined as φ giving the minimum value of retardation R[φ] which is retardation measured for incident light coming in a direction tilted by φ° from a normal line relative to the film-plane, the direction being in a plane including the direction perpendicular to the in-plane slow axis thereof and the normal line; and having retardation along the thickness direction at a wavelength of 550 nm, Rth(550), not equal to zero. | ||||||
| 146 | SEMI-TRANSMISSIVE LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC APPARATUS | US13943203 | 2013-07-16 | US20140022499A1 | 2014-01-23 | Masaya Tamaki; Kazuyuki Maeda |
| According to an aspect, a semi-transmissive liquid crystal display device includes a plurality of pixels arranged in a matrix, a plurality of reflective electrodes, a counter electrode facing the reflective electrode, and a liquid crystal layer. The reflective electrodes are provided for each of the pixels, and each of them includes a plurality of electrodes, with a combination of the areas of which area coverage modulation is performed by using n bits. The electrodes are configured such that a ratio of the sum of the perimeter(s) of electrode(s) corresponding to each bit of the n bits satisfies 1:2: . . . :2n-1. The liquid crystal layer is provided between the reflective electrode and the counter electrode. The semi-transmissive liquid crystal display device is configured to carry out reflective display using the reflective electrode and carry out transmissive display using at least a space of the reflective electrode between the pixels. | ||||||
| 147 | Display and electronic unit having particular optical laminate | US13408595 | 2012-02-29 | US08625063B2 | 2014-01-07 | Masaya Tamaki; Kazuyuki Maeda; Masaaki Kabe |
| A display capable of obtaining high contrast and an electronic unit including the display are provided. The display includes: a liquid crystal display panel including a liquid crystal layer and a light reflective layer; and an optical laminate disposed on the liquid crystal display panel, in which the optical laminate includes a first retardation layer, a light diffuser layer, a second retardation layer, and a polarization layer in order from a side closer to the liquid crystal display panel, the first retardation layer is a negative C-plate, and the second retardation layer is a λ/4 plate or a combination of a λ/4 plate and a λ/2 plate arranged in order from a side closer to the liquid crystal display panel. | ||||||
| 148 | LIQUID CRYSTAL DISPLAY DEVICE | US13269248 | 2011-10-07 | US20130088666A1 | 2013-04-11 | Kojiro Ikeda; Tomoaki Sekime; Toshinori Uehara; Keiji Takizawa |
| A liquid crystal display device of a transverse electric field type has characteristics in the following respects. A liquid crystal layer is sandwiched between two substrates. Two polarizing plates are provided on a side of the two substrates opposite to the liquid crystal layer such that the light transmission axes thereof are orthogonal to each other. A first electrode and a second electrode are formed on one of the two substrates. The liquid crystal is driven by an electric field generated between the first electrode and the second electrode. The polarizing plate, formed on one of the two substrates, is formed of a protective film, a polarizer, and two negative biaxial films. The two negative biaxial films include first and second negative biaxial films. The first negative biaxial film and the second negative biaxial film are entirely overlapped, and are disposed on a side of one or the other substrate. | ||||||
| 149 | OPTICAL COMPENSATION FILM AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME | US13447805 | 2012-04-16 | US20120327342A1 | 2012-12-27 | Hee Kyung KIM; Jang-Kun SONG |
| A compensation film for a liquid crystal film includes a first layer including splayed rod-shaped nematic liquid crystal material and a second layer disposed on a surface of the first layer and including at least one of a biaxial layer and an A-plate. | ||||||
| 150 | OPTICAL FILM LAMINATE, METHOD FOR PRODUCING THE SAME, AND LIQUID CRYSTAL DISPLAY PANEL USING THE SAME | US13491927 | 2012-06-08 | US20120314159A1 | 2012-12-13 | Takeya SAKAI |
| Provided is an optical film laminate with a thinner thickness having an optical compensation function. According to the present invention is provided an optical film laminate comprising (i) a positive C plate comprising a liquid crystal material having a photosensitive group and (ii) a positive A plate, an optically biaxial plate, or an O plate, these plate comprising a liquid crystal material having a photosensitive group; wherein the both plates are directly bonded with each other to be firmly laminated without adhesive. | ||||||
| 151 | Liquid crystal display device having two discotic liquid crystal compensating films and two retardation films | US12827655 | 2010-06-30 | US08319923B2 | 2012-11-27 | Hiroki Sato; Kunpei Kobayashi; Mamoru Yoshida |
| A liquid crystal display device includes a liquid crystal layer which is arranged between first and second aligning films formed on inner sides of first and second substrates, has liquid crystal molecules twist-aligned in a direction from the first aligning film toward the second aligning film when an electric field is not applied between first and second electrodes, and generates retardation of substantially λ/2 with respect to transmitted light. First and second polarizing plates are arranged on outer sides of the first and second substrates. A transmission axis or an absorption axis of the first polarizing plate is substantially matched with a direction along which the liquid crystal molecules in the vicinity of the first aligning film are aligned when a sufficiently intensive electric field is applied. | ||||||
| 152 | Liquid crystal display panel with micro-lens array and liquid crystal display device | US12522448 | 2007-10-26 | US08300188B2 | 2012-10-30 | Naru Usukura |
| A liquid crystal display panel includes a liquid crystal panel having a plurality of pixels; a microlens array provided on a light-incident side of the liquid crystal panel; a first polarizing plate and a first optical compensation element provided on a light-outgoing side of the liquid crystal panel; and a second polarizing plate and a second optical compensation element provided on a light-incident side of the microlens array. The retardation of the first optical compensation element along the thickness direction is greater than the retardation of the second optical compensation element along the thickness direction. | ||||||
| 153 | LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY DEVICE | US13515731 | 2010-09-22 | US20120257147A1 | 2012-10-11 | Satoshi Shibata |
| The present invention provides a liquid crystal display panel capable of increasing the contrast not only in the front direction but also in oblique directions, and a liquid crystal display device. The liquid crystal display panel includes a first substrate; a second substrate; and a liquid crystal layer arranged between the first substrate and the second substrate, the liquid crystal display panel including a first O-type polarizing element on an outer side of the first substrate, the liquid crystal display panel including a second O-type polarizing element on an outer side of the second substrate, the liquid crystal display panel including an E-type polarizing element between the second substrate and the liquid crystal layer on an inner side of the second substrate, the liquid crystal display panel including viewing angle compensation film(s) between the first O-type polarizing element and the E-type polarizing element, wherein a thickness-direction phase difference between the first O-type polarizing element and the second O-type polarizing element is equal to or smaller than the thickness-direction phase difference between the first O-type polarizing element and the E-type polarizing element. | ||||||
| 154 | LIQUID-CRYSTAL DISPLAY DEVICE | US13499999 | 2010-05-20 | US20120200811A1 | 2012-08-09 | Akira Sakai; Kazuyoshi Sakuragi; Masahiro Hasegawa |
| The present invention provides a liquid-crystal display device that can achieve high contrast ratios in a wide range of viewing angles and reduce coloration during black display. The liquid-crystal display device according to the present invention includes a polarizer, a first quarter-wave plate adapted to satisfy nx>ny≧nz, a vertically aligned liquid crystal cell, a second quarter-wave plate provided with substantially the same Nz factor as the first quarter-wave plate and adapted to satisfy nx>ny≧nz, a birefringent layer adapted to satisfy nx |
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| 155 | IPS OR FFS-MODE LIQUID-CRYSTAL DISPLAY DEVICE | US13361649 | 2012-01-30 | US20120194767A1 | 2012-08-02 | Hiroyuki KAIHOKO |
| An IPS or FFS-mode liquid-crystal display device includes an optical compensatory film having a first retardation region and a second retardation region adjacent to the first retardation region, wherein a slow axis of the first retardation region is parallel to a slow axis of the second retardation region, retardation in-plane at a wavelength of 550 nm, Re(550) of the second retardation region is equal to or less than 20 nm, and retardation along the thickness-direction at a wavelength of 550 nm, Rth(550) of the second retardation region is from 20 nm to 120 nm, the first retardation region includes a retardation layer containing a vertically-aligned discotic liquid-crystal compound, and Re thereof at a wavelength of 450 nm, 550 nm and 650 nm, Re(450), Re(550) and Re(650) satisfy Re(450)/Re(550) of from 1 to 1.13 and Re(650)/Re(550) of from 0.94 to 1. | ||||||
| 156 | IPS OR FFS-MODE LIQUID-CRYSTAL DISPLAY DEVICE | US13361619 | 2012-01-30 | US20120194766A1 | 2012-08-02 | Hiroyuki KAIHOKO |
| An IPS or FFS-mode liquid-crystal display device includes an optical compensatory film having a first retardation region and a second retardation region adjacent to the first retardation region, wherein a slow axis of the first retardation region is orthogonal to a slow axis of the second retardation region, retardation in-plane at a wavelength of 550 nm, Re(550) of the first retardation region is equal to or less than 20 nm, and retardation along the thickness-direction at a wavelength of 550 nm, Rth(550) of the first retardation region is from 20 nm to 120 nm, the second retardation region includes a retardation layer containing a vertically-aligned discotic liquid-crystal compound. | ||||||
| 157 | LIQUID CRYSTAL DISPLAY DEVICE | US13393926 | 2010-06-14 | US20120162581A1 | 2012-06-28 | Takeyuki Ashida; Yasuhiko Sugihara |
| The present invention provides a liquid crystal display device exhibiting an excellent gray scale inversion characteristic in a state where a color close to black is displayed. The present invention is a liquid crystal display device including a first polarizer, a second polarizer disposed to face the first polarizer, a liquid crystal display panel provided between the first polarizer and the second polarizer, and a first phase plate and a second phase plate provided between the first or second polarizer and the liquid crystal display panel. In the liquid crystal display device, the liquid crystal display panel has a pair of substrates disposed to face each other and a liquid crystal layer sandwiched between the pair of substrates, the liquid crystal layer includes a homogeneously aligned liquid crystal molecule, the first phase plate includes a liquid crystal film, the liquid crystal film is formed by being set in a state where a nematic liquid crystal is hybrid-aligned, and a specific phase difference as a phase difference in a perpendicular direction of a member which is present between the first and second polarizers, excluding the liquid crystal layer and the first phase plate, is 120 nm or more. | ||||||
| 158 | Transflective Liquid Crystal Displays Using Transverse Electric Field Effect | US13044064 | 2011-03-09 | US20120120328A1 | 2012-05-17 | Ruibo Lu |
| Techniques are provided for transflective LCDs using homogeneously aligned liquid crystal materials which optical birefringence is electrically controllable. An unpaired retarder may be configured to compensate, in transmissive parts, for the effect of reflection in reflective parts. A light recycling/redirecting film may be added between a BLU and a nearby polarization layer to recycle backlight from a reflective part of an LCD unit structure into a transmissive part of the same structure to increase the optical output efficiency of the BLU. Electrodes for the transmissive part and the reflective part may be separately driven in various operating modes. Benefits include high transmittance, high reflectance, wide view angles, improved optical recycling efficiency, and low manufacturing costs. | ||||||
| 159 | Color liquid crystal display and compensation panel | US12426329 | 2009-04-20 | US08142863B2 | 2012-03-27 | Serguei Palto |
| In one aspect of the present invention there is provided an optically anisotropic compensation panel with spectrally controllable dispersion of refractive indices. The compensation panel comprises at least one optically anisotropic layer based on an ordered guest-host system. The guest-host system comprises an anisotropic host matrix including an organic compound transparent to electromagnetic radiation in the visible spectral range, and guest component having guest particles. In another aspect the present invention provides a method of producing an optically anisotropic compensation panel disclosed. And in yet another embodiment the present invention provides a liquid crystal display with the compensation panel disclosed. | ||||||
| 160 | Dioxetane compound, cationically polymerizable composition, optical film, and liquid crystal display device | US12281008 | 2006-10-17 | US07998543B2 | 2011-08-16 | Takashi Seki; Takeshi Kataoka; Hitoshi Mazaki; Hirofumi Aizono |
| A novel dioxetane compound is provided having a cationically polymerizable oxetane group, which compound is excellent in compatibility with a liquid crystalline compound and a non-liquid crystalline compound. An optical film is also provided with excellent liquid crystal orientation retention properties and mechanical strength, produced by aligning a composition of the dioxetane compound and a cationically polymerizable compound in a liquid crystal orientation and fixing the liquid crystal orientation by polymerization. Further, a liquid crystal display device is provided with the optical film. | ||||||
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