| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 201 | In-plane switching liquid crystal display including viewing angle compensation film using +A-plate | US12219626 | 2008-07-24 | US07847896B2 | 2010-12-07 | Byoung Kun Jeon; Sergey Belyaev; Jeong Su Yu; Nikolay Malimonenko; Jun Won Jang |
| Disclosed is an in-plane switching liquid crystal display. The in-plane switching liquid crystal display uses at least one A-plate and adjusts the optical axis direction and the retardation value of the A-plate, thereby improving the contrast characteristic at a front and at a predetermined inclination angle of the in-plane switching liquid crystal display while minimizing a color shift according to viewing angles in the black state. | ||||||
| 202 | Liquid Crystal Panel and Liquid Crystal Display Apparatus | US12085306 | 2006-11-09 | US20100277679A1 | 2010-11-04 | Kentarou Takeda; Nao Murakami; Junichi Nagase; Toshiyuki Iida; Kanto Kobayashi |
| There are provided a liquid crystal panel and a liquid crystal display apparatus each having an excellent screen contrast, a small color shift, and small display unevenness. The liquid crystal panel includes a liquid crystal cell, a first polarizer, a second polarizer, a protective layer, a first optical compensation layer and a second optical compensation layer. The protective layer has relationships of 0 nm≦Δnd (550) 10 nm and 0 nm≦Rth(550) 20 nm. The first optical compensation layer has an absolute value of a photoelastic coefficient of 40×10−12 (m2/N) or less, and has relationships of Δnd(380)<Δnd(550)<Δnd(780), nx>ny>nz and 90 nm≧Δnd(550) ≦200 nm. The second optical compensation layer has relationships of Rth(380)>Rth(550)>Rth(780) and nx=ny>nz. | ||||||
| 203 | Liquid crystal composition, color filter and liquid crystal display | US12085655 | 2007-06-15 | US07799391B2 | 2010-09-21 | Shinji Hayashi; Norihisa Moriya |
| There is provided a liquid crystal composition capable of inexpensively and easily forming a phase difference layer excellent in mechanical strength such as hardness and in substrate adhesion properties, a color filter using the same, and a liquid crystal display apparatus using the color filter. Specifically, provided are a liquid crystal composition, a color filter 1 provided with a phase difference layer 4 produced by applying the liquid crystal composition onto a transparent substrate 2 and immobilizing, and a liquid crystal display apparatus 11 using the color filter 1 as a display side substrate 12. The liquid crystal composition contains therein: one kind or two or more kinds of crosslinkable liquid crystal compounds; at least one kind of silane coupling agents selected from sulfide silane coupling agents, mercapto silane coupling agents, amino silane coupling agents and (meth)acryloyl silane coupling agents; a multifunctional (meth)acrylate having an alcoholic hydroxyl group and a multifunctional (meth)acryloyl group in a molecular structure thereof; and an alicyclic epoxy compound. | ||||||
| 204 | Optical compensation film, polarizing plate and liquid crystal display device | US11730307 | 2007-03-30 | US07787084B2 | 2010-08-31 | Yoji Ito |
| Provided are a liquid crystal display device, in particular, an optical compensation film and a polarizing plate having an excellent optical compensation function for OCB mode liquid crystal display device which has a rapid response speed and a suitability for moving images and capable of further contributing to thinning the liquid crystal display device, as well as the OCB mode liquid crystal display device having a high display grade, the rapid response speed, the suitability for moving images and a high transmittance. For this purpose, a roll-shaped lengthy optical compensation film wherein values of Re(0°), Re(40°) and Re(−40°) thereof are in the ranges of 37±6 nm, 50±6 nm and 124±12 nm, respectively is provided. | ||||||
| 205 | IN-PLANE SWITCHING LIQUID CRYSTAL DISPLAY INCLUDING VIEWING ANGLE COMPENSATION FILM USING +A-PLATE | US12752938 | 2010-04-01 | US20100188627A1 | 2010-07-29 | Byoung Kun Jeon; Sergey Belyaev; Jeong Su Yu; Nikolay Malimonenko; Jun Won Jang |
| Disclosed is an in-plane switching liquid crystal display. The in-plane switching liquid crystal display uses at least one A-plate and adjusts the optical axis direction and the retardation value of the A-plate, thereby improving the contrast characteristic at a front and at a predetermined inclination angle of the in-plane switching liquid crystal display while minimizing a color shift according to viewing angles in the black state. | ||||||
| 206 | Polarizing plate provided with optical compensation layers and image display apparatus using the same | US11914052 | 2006-05-09 | US07738065B2 | 2010-06-15 | Shunsuke Shutou; Tsuyoshi Chiba; Naoki Takahashi |
| There is provide a polarizing plate provided with optical compensation layers capable of performing viewing angle compensation with respect to a liquid crystal cell, providing broadband circular polarization, contributing to thickness reduction, preventing uneven display due to heat, and favorably preventing light leak in black display, and an image display apparatus using the same. The polarizing plate provided with optical compensation layers of the present invention includes a polarizer, a first optical compensation layer, and a second optical compensation layer in the stated order, wherein: the first optical compensation layer contains a resin having an absolute value of photoelastic coefficient of 2×10−11 m2/N or less, and has a relationship of nx>ny=nz and an in-plane retardation Re1 of 100 to 170 nm; the second optical compensation layer has a relationship of nx=ny>nz, an in-plane retardation Re2 of 0 to 50 nm, and a thickness direction retardation Rth2 of 30 to 400 nm; and an absorption axis of the polarizer and a slow axis of the first optical compensation layer form an angle of 25° to 65°. | ||||||
| 207 | Liquid crystal display | US11356188 | 2006-02-17 | US07733449B2 | 2010-06-08 | Shinichiro Oka; Masaya Adachi; Shinichi Komura; Ikuo Hiyama |
| A liquid crystal display of a vertical alignment (VA) mode using a circular polarization plate is provided which can reduce light leak as observed along an oblique direction and achieve a high contrast ratio. The VA mode uses a liquid crystal layer of vertical alignment in an initial alignment state. A film having generally isotropic optical characteristics in an omnidirection is used as a protective film, on a liquid crystal cell side, of first and second polarization plates disposed outside the liquid crystal cell, and first and fourth retardation films have an Nz coefficient smaller than 1. | ||||||
| 208 | LIQUID CRYSTAL PANEL, LIQUID CRYSTAL DISPLAY APPARATUS USING THE PANEL, AND METHOD OF PRODUCING A LIQUID CRYSTAL PANEL | US12067467 | 2007-01-26 | US20100134737A1 | 2010-06-03 | Ikuo Kawamoto; Seiji Umemoto; Takashi Kamijou; Hideyuki Yonezawa; Kazuya Hada; Kentarou Kobayashi |
| Provided are a liquid crystal panel and a liquid crystal display apparatus each of which: contributes to a reduction in thickness; and is excellent in optical characteristics, and a method of producing the liquid crystal panel with extremely high production efficiency. A liquid crystal panel of the present invention has a first polarizer, a first protective layer, a first optical compensation layer, a first negative C plate, a liquid crystal cell, a second negative C plate, a second optical compensation layer, a second protective layer, and a second polarizer in the stated order. The first optical compensation layer is arranged between the first protective layer and the first negative C plate to be in close contact with the first protective layer without using any adhesive. The second optical compensation layer is arranged between the second negative C plate and the second protective layer to be in close contact with the second protective layer without using any adhesive. The first and second optical compensation layers are each a coating layer functioning as a λ/4 plate, and each have a thickness of 0.3 to 3 μm. The first and second negative C plates are each a coating layer, and each have a thickness of 0.5 to 10 μm. | ||||||
| 209 | LIQUID CRYSTAL DISPLAY PANEL WITH MICRO-LENS ARRAY AND LIQUID CRYSTAL DISPLAY DEVICE | US12522448 | 2007-10-26 | US20100039583A1 | 2010-02-18 | Naru Usukura |
| There is provided a direct-viewing type liquid crystal display panel with a microlens array having high viewing angle characteristics and high contrast, which is capable of displaying with a high luminance.A liquid crystal display panel with a microlens array according to the present invention 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. | ||||||
| 210 | LIQUID CRYSTAL DISPLAY DEVICE | US12560949 | 2009-09-16 | US20100007822A1 | 2010-01-14 | 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. | ||||||
| 211 | Polarizing plate with an optical compensation layer, method of producing the same, and liquid crystal panel, liquid crystal display apparatus, and image display apparatus, using the polarizing plate with an optical compensation layer | US11995402 | 2006-07-05 | US07612845B2 | 2009-11-03 | Takuya Mori; Yoshitsugu Kitamura; Mariko Hirai; Naoki Takahashi |
| There is provided a polarizing plate with optical compensation layers that contributes to reduction in thickness and has excellent heat resistance and moisture resistance. A polarizing plate with optical compensation layers according to an embodiment of the present invention includes: a polarizer; a first optical compensation layer;a second optical compensation layer; and a third optical compensation layer, in this order. The first optical compensation layer has a refractive index profile of nx>ny=nz, and an in-plane retardation Re1 of 200 to 300 nm; the second optical compensation layer has a refractive index profile of nx>ny=nz, and an in-plane retardation Re2 of 80 to 170 nm; and the third optical compensation layer is formed of a material exhibiting an optical negative uniaxial property, and the material is aligned so as to be inclined. | ||||||
| 212 | Display base having a retardation control function with a high voltage holding ratio | US11393648 | 2006-03-31 | US20090185121A9 | 2009-07-23 | Atsushi Suemasu; Norihisa Moriya |
| A display board with a retardation control function has a retardation control layer containing liquid crystalline polymers with a fixed orientation, and a liquid crystal layer. The display board has a voltage holding ratio of 90% or higher after a forced impurity extraction is performed on the display board with the retardation control layer in contact with the liquid crystal layer, and application of a voltage to the liquid crystal layer. The display board is capable of providing a high quality display while preventing a drop in the voltage holding ratio attributed to impurities mixed into the liquid crystal layer, and thus preventing the occurrence of display defects, such as flickering. | ||||||
| 213 | Polarizing plate with optical compensation layer, method of producing the same, and liquid crystal panel, liquid crystal display, and image display including the same | US11776637 | 2007-07-12 | US07557883B2 | 2009-07-07 | Ikuo Kawamoto; Hideyuki Yonezawa; Kazuya Hada; Shunsuke Shutou; Tsuyoshi Chiba; Naoki Takahashi |
| A polarizing plate with optical compensation layers that performs a wide viewing angle compensation with respect to a liquid crystal cell, allows circularly polarized light to be obtained over a wide range of light wavelengths, contributes to the reduction in thickness, prevents thermal irregularity from occurring, and can effectively prevent light leakage from occurring in a black display. The polarizing plate includes a polarizer, a first optical compensation layer, and a second optical compensation layer that are stacked together in this order. The first optical compensation layer is formed of a liquid crystal compound and has a relationship of nx>ny=nz and an in-plane retardation Re1 of 100 to 170 nm. The second optical compensation layer has a relationship of nx=ny>nz and a thickness direction retardation Rth2 of 30 to 400 nm. The angle formed between the absorption axis of the polarizer and the slow axis of the first optical compensation layer is in the range of “plus” or “minus” 25 to 65 degrees. | ||||||
| 214 | Dark-state compensators for LC panels | US12016875 | 2008-01-18 | US07545469B2 | 2009-06-09 | Michael G. Robinson; Jianmin Chen; Gary D. Sharp |
| Described are various compensators for compensating for in-plate and out-of-plane retardances of LC panels in their dark states. | ||||||
| 215 | Optical film, liquid crystal panel, and liquid crystal display apparatus | US11430907 | 2006-05-10 | US07538841B2 | 2009-05-26 | Nao Murakami; Kentarou Takeda; Yoshiyuki Kiya; Hiroyuki Yoshimi |
| The present invention can provide an optical film suitable for a liquid crystal display apparatus providing colorless neutral display in all azimuth angle directions, a liquid crystal panel employing the optical film, and a liquid crystal display apparatus employing the liquid crystal panel. The optical film of the present invention includes a first transparent protective film, a polarizer, a second transparent protective film, and a birefringent layer having a relationship of nx>ny=nz and positive uniaxial property in the stated order, in which the second transparent protective film has a thickness direction retardation (Rth) represented by the formula Rth=(nx−nz)×d of 10 nm or less. | ||||||
| 216 | RETARDATION COMPENSATION ELEMENT, LIQUID CRYSTAL DISPLAY DEVICE, AND LIQUID CRYSTAL PROJECTOR | US11994798 | 2006-07-03 | US20090128718A1 | 2009-05-21 | Kenichi Nakagawa |
| A retardation compensation element (32, 32a) has a first optical anisotropic layer (42) that functions as a negative C-plate, and a second and a third optical anisotropic layers (43, 44) that function as positive O-plates. VA mode liquid crystal molecules (37) tilt at an azimuth angle of 45 degrees and a polar angle of 5 degrees when no voltage is applied thereto. The second and third optical anisotropic layers have optical axes respectively at an angle of −105 degrees and +105 degrees from the tilt direction of the liquid crystal molecule. The first optical anisotropic layer (42) compensates the retardation of light that enters a liquid crystal layer (38) at an oblique angle while the second and third optical anisotropic layers (43, 44) compensate the retardation of light that enters the liquid crystal layer at a right angle. | ||||||
| 217 | POLARIZING PLATE WITH AN OPTICAL COMPENSATION LAYER AND IMAGE DISPLAY APPARATUS USING THE SAME | US12090770 | 2006-10-11 | US20090122236A1 | 2009-05-14 | Shunsuke Shutou; Yusuke Toyama; Nobuyuki Kozonoi; Tatsuya Osuka; Naoki Takahashi |
| There are provided a polarizing plate with an optical compensation layer capable of suppressing the degradation in optical properties due to the use under a high-temperature environment, and an image display apparatus using the polarizing plate with an optical compensation layer.The polarizing plate with an optical compensation layer includes a polarizer, a pressure-sensitive adhesive layer and at least one optical compensation layer, in the stated order. The pressure-sensitive adhesive layer has a dynamic storage shear modulus (G′) at 100° C. of 1.0×104 to 6.0×104 Pa. | ||||||
| 218 | OPTICAL DEVICE AND PROJECTOR | US12202892 | 2008-09-02 | US20090066860A1 | 2009-03-12 | Takashi ENDO |
| An optical device includes a vertically aligned liquid crystal cell that holds a liquid crystal material, a compensating element made of a negative uniaxial refractive material having an optical axis tilted with respect to a system optical axis, and having a fixed positional relation with the liquid crystal cell, an adjustment element having a planar shape and a phase difference in a plane perpendicular to the system optical axis, and a rotary adjustment mechanism that rotates the adjustment element in the plane perpendicular to the system optical axis to adjust the phase difference influencing light transmitted through the adjustment element. | ||||||
| 219 | In-plane switching liquid crystal display including viewing angle compensation film using +A-plate | US12219626 | 2008-07-24 | US20090040437A1 | 2009-02-12 | Byoung Kun Jeon; Sergey Belyaev; Jeong Su Yu; Nikolay Malimonenke; Jun Won Jang |
| Disclosed is an in-plane switching liquid crystal display. The in-plane switching liquid crystal display uses at least one A-plate and adjusts the optical axis direction and the retardation value of the A-plate, thereby improving the contrast characteristic at a front and at a predetermined inclination angle of the in-plane switching liquid crystal display while minimizing a color shift according to viewing angles in the black state. | ||||||
| 220 | LIQUID CRYSTAL LAYER FORMING INK COMPOSITION, AND OPTICAL FILM, POLARIZING FILM AND LIQUID CRYSTAL DISPLAY PRODUCED WITH THE INK COMPOSITION | US11816305 | 2006-02-16 | US20090033834A1 | 2009-02-05 | Takashi Kuroda |
| An ink composition capable of forming a liquid crystal layer even on a base material with no alignment treatment applied; and an optical film, a polarizing film and a liquid crystal display produced using the ink composition. The liquid crystal layer forming ink composition has a liquid crystalline molecular material, an organic solvent for dissolving or dispersing the molecular material, and an alcohols solvent. By applying the ink composition on a base material, drying, and aligning the liquid crystal molecule material, an optical film with a liquid crystal layer formed can be obtained. Since the alcohols solvent is contained in the liquid crystal composition, the liquid crystalline molecular material is in a state horizontally aligned on the base material, and the optical film can have a high transparency. | ||||||
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