Dai Nippon Printing Co., Ltd.

Mitsui Engineering and Shipbuilding Company Limited

Sega Corporation

Norio Ishii

Keisuke Miura

Yusuke Hagiwara

Tomoya Kawashima

Yusuke Nakamura

Noriko Katashima

Tsubasa Honda

Satoru Nishima

Yuki Takahashi

Takashi Kuroda

Hiroaki Segawa

Akinobu Ushiyama

Kumiko Kambara

Hiroshi Tomaru

Makoto Yamaki

Yoshiko Tanaka

Shosei Kubota

Takao Ikezawa

Kenichi Imaeda

Kazuo Arai

Tsutomu Akazawa

Akihiko Fujii

Provided is an optical film that can suppress rainbow unevenness when viewed with the naked eyes without increasing the in-plane phase difference. The optical film has a low-refractive index layer on a plastic film, the plastic film is a biaxially stretched plastic film with an in-plane phase difference of 2500 nm or less, the low-refractive index layer is located on the outermost surface, and the optical film has a region in which ΔEab satisfies specific conditions, wherein the ΔEab is calculated from the differences between the L* value, the a* value, and the b* value obtained by measuring a laminate 1 including the optical film, the polarizer, and the surface light source under specific conditions and the L* value, the a* value, and the b* value obtained by measuring a laminate 2 including the polarizer and the surface light source under specific conditions, respectively.

Optical film, polarizing plate, image display device, and optical film selection method

Provided are a laminated glass which has a reduced occurrence of voids and accumulation of liquid crystal, and a production method for the laminated glass. Also provided is a laminated glass which can prevent deterioration of a sealing material. This laminated glasscomprises a first glass plateA, a first intermediate filmA, a liquid crystal film, a second intermediate filmB, and a second glass plate, which are layered and disposed in this order, wherein the first glass plateA and the second glass plateB have a larger outer shape than that of the liquid crystal film, and a spaceris provided in at least a portion of a region which is interposed between the first glass plateA and the second glass plateB and in which the liquid crystal filmis not disposed.

Laminated glass and production method for laminated glass

A method for manufacturing a laminated glass whereby, in a laminated glass comprising a liquid crystal film sandwiched therein and having a three-dimensionally curved surface shape, the formation of wrinkles in the liquid crystal film can be suppressed; and a laminated glass which has a three-dimensionally curved surface shape and in which wrinkles in a liquid crystal film sandwiched therein are suppressed. The method for manufacturing the laminated glass comprises: a heat molding step for heating the liquid crystal film to a temperature higher than the glass transition point of the first base material layer and the second base material layer; and a bonding step for, after completing the heat molding step, heating the laminate, wherein the liquid crystal film is sandwiched between the first glass sheet and the second glass sheet, at a temperature lower than the glass transition point and bonding the same by applying a preset pressure.

Method for manufacturing laminated glass, laminated glass and light control film

A photochromic system wherein: there are provided a photochromic film and a drive power source; the photochromic film has a liquid crystal layer sandwiched between a first and second laminate, the photochromic film controlling the liquid crystal molecules' orientation of the liquid crystal layer by a VA scheme to control transmitted light; the first laminate is provided with at least a first substrate and electrode; the second laminate is provided with at least a second substrate and electrode; each of the first and second electrode has a sheet resistance of 50-300 &#x3a9;/&#x25a1;; the distance from a power feed point to the farthest-away position in the surface of the photochromic film is 1,500 mm or less; and the drive power source supplies a power source for driving by a rectangular wave having a frequency of 240 Hz or less.

Photochromic system, method for driving photochromic film, and vehicle

A light control member exhibits strong adhesion between an alignment layer and a bead spacer and includes: a first and second laminate with a substrate and an alignment layer, and which is arranged so that the alignment layer thereof faces the alignment layer of the first laminate; a liquid crystal layer between the first laminate and the second laminate, and the alignment is controlled by driving electrodes on at least one of the first laminate and the second laminate; and a plurality of bead spacers which are arranged within the liquid crystal layer. This light control member is also characterized in that: at least one of the alignment layer of the first laminate and the alignment layer of the second laminate has a plurality of projections that protrude toward the liquid crystal layer; and at least some of the bead spacers are held by the projections.

Light control member, method for producing light control member, light control body and vehicle

The reliability of a spacer is improved in comparison to conventional ones. A light control film which is obtained by sandwiching a liquid crystal layer between first and second laminates that are provided with at least alignment layers and which controls light transmitted therethrough by controlling the alignment of liquid crystal molecules in the liquid crystal layer by driving electrodes that are provided on the first and second laminates. With respect to the first laminate, a base that is formed of a transparent film material is provided with a spacer that maintains the thickness of the liquid crystal layer. With respect to the first and second laminates, the Vickers hardness of the spacer is from 16.9 to 40.2 inclusive, and the Vickers hardness of a part of the second laminate, the part being in contact with the front end of the spacer, is from 11.8 to 35.9 inclusive.

Light control film, laminated glass and method for producing light control film

The present invention further improves the reliability of a spacer in comparison to conventional ones. A light control filmwhich is obtained by sandwiching a liquid crystal layerbetween first and second laminatesthat are provided with at least alignment layersA,B, and which controls light transmitted therethrough by controlling the alignment of liquid crystal moleculesA in the liquid crystal layerby driving electrodesB,A that are provided on the first and second laminates. With respect to the first laminate, a baseB that is formed of a transparent film material is provided with a spacerthat maintains the thickness of the liquid crystal layer. With respect to the first and second laminates, the Vickers hardness Xs of the spaceris from 16.9 to 40.2 (inclusive), and the Vickers hardness Xf of a part of the second laminate, said part being in contact with the front end of the spacer, is from 11.8 to 35.9 (inclusive).

A light-modulating cell includes: a pair of polarizing plates (a first polarizing plate and a second polarizing plate); a pair of electrodes (a first transparent electrode and a second transparent electrode) arranged between the pair of polarizing plates (the first polarizing plate and the second polarizing plate); and a pair of alignment films (a first alignment film and a second alignment film) arranged between the pair of electrodes (the first transparent electrode and the second transparent electrode). A plurality of spacers, which support at least any one of the pair of alignment films and are in two-dimensional contact with at least any one of the pair of alignment films, is provided. At least some of the plurality of spacers have an inconstant distance to another spacer positioned at a closest distance.

Light-modulating cell

A graphical system includes a first, second, and third controllers. The first controller stores a first texture in texture memory. The second controller generates as a second texture, images of environment things except ambient light emitting sources. The second controller also generates as a third texture images of light emitting sources and shadows of certain environmental things. A third controller reads the first, second, and third textures and maps a synthesized texture to an object.

Growing community of inventors

Tokyo, Japan

Norio Ishii