Fujifilm Corporation

Yusuke Ohashi

Yukito Saitoh

Junichi Hirakata

Katsufumi Ohmuro

Jun Watanabe

Hajime Nakayama

Minoru Wada

Hiroyuki Yoneyama

Nobutaka Fukagawa

Kenichi Fukuda

Kentaro Toyooka

Daisaku Abiru

A light-scattering substrate having an irregular shape on one surface thereof is provided, the light-scattering substrate including: a thermoplastic resin; and at least one kind of transparent particles having a mean primary particle size of 3 &#x3bc;m or more and not more than 12 &#x3bc;m, wherein the light-scattering substrate contains a first region having a thickness of &#xbd; or more times and not more than 4 times the mean primary particle size of the transparent particles from the surface having an irregular shape; and a second region having a thickness of 3/2 or more times the mean primary particle size of the transparent particles from a surface on back side of the surface having an irregular shape, and the first region and the second region have a region not substantially containing the transparent particle.

Light-scattering substrate, method for manufacturing light-scattering substrate, polarizing plate and image display device

A light diffusing film contains a thermoplastic resin as the main component and contains, in the thermoplastic resin, at least one kind of a light-transmitting particle having an average primary particle diameter of 3 to 10 &#x3bc;m, wherein the absolute value of the refractive index difference between the thermoplastic resin and the light-transmitting particle is from 0.01 to 0.06, wherein one surface has concavoconvex shape, the total haze value is from 15 to 30%, the internal haze value is from 5 to 25%, the surface haze value is from 5 to 20%, and the average film thickness is from 20 to 200 &#x3bc;m.

Light diffusing film, polarizing plate, liquid crystal display device and production method of light diffusing film

Disclosed are a backlight unit and a liquid crystal display capable of improving viewing angle dependency of tint of a liquid crystal display image, thereby obtaining a high-quality liquid crystal display image with no tint when viewed from a slanting direction. A backlight unitof a just-beneath type with a plurality of light sources arranged below a light emission surfaceincludes a light emission spectrum controlling unitfor controlling separately light emission spectra in a front direction which becomes a normal direction to the light emission surfaceand a slanting direction inclined at a predetermined angle from the front direction. The plurality of light sources are a plurality of LED light sources which are different in a light emission color, and each LED light source includes a first LED element with the front direction as an optical axis of emission light and a second LED element with the slanting direction as an optical axis of emission light for each light emission color. The light emission spectrum controlling unitchanges light emission intensity of the second LED element for each light emission color.

Backlight unit and liquid crystal display

A polarizing plate for a liquid crystal display is provided and includes a first protective film, a polarizer, a second protective film and a light diffusion layer in order. The light diffusion layer is a layer including a translucent resin and translucent particles having a refractive index different from a refractive index of the translucent resin. The internal haze of the light diffusion layer is 45% to 80%.

Polarizing plate and liquid crystal display

An optical compensation film to be used in a VA mode liquid crystal display device, having retardation in plane at a wavelength of 550 nm, Re(550), falling within the range from 20 to 100 nm, and retardation along thickness direction at a wavelength of 550 nm, Rth(550), falling within the range from 60 to 120 nm, is disclosed. And a VA-mode liquid crystal display device having the optical compensation film, disposed between the liquid crystal cell and each of the pair of polarizing elements, is disclosed.

Optical compensation film for VA-mode liquid crystal display device and VA-mode liquid crystal display device

An ECB-mode liquid crystal display device having a pair of substratesand, a liquid crystal layer, a pair of polarizing plates () () and at least one optically anisotropic layerand/or, wherein they are disposed such that the absorption axesandof the polarizing filmsandin the polarizing plates are parallel or vertical to the left-rightward direction of the screen of the display device. The orientation axesandof the substratesandand the orientation axesandof the optically anisotropic layersandpreferably cross the absorption axesandof the polarizing filmsandof the adjacent polarizing plates at an angle of 45&#xb0;.

Liquid crystal display device

A liquid-crystal display device comprising a liquid-crystal cell with plural domains and a transparent film comprising at least two domains that differ in in-plane retardation (Re) and/or thickness-direction retardation (Rth) for a visible light wavelength &#x3bb; nm is disclosed. The domains of the transparent film and the domains of the liquid-crystal cell have no correlation in terms of their arrangement and/or size.

Liquid-crystal display device having liquid crystal cell with plural domains

A liquid crystal display device comprising a first polarizer, a first retardation film satisfying (1) to (6) below, a liquid crystal cell, a second retardation film satisfying (7) to (12) below, a second polarizer in this order wherein the absorption axis of the first and second polarizer and the slow axis of the first and second retardation film are substantially in parallel, respectively:10 nm&#x3c;(548)&#x3c;100 nm&#x2003;&#x2003;(1)20 nm&#x3c;(548)&#x3c;400 nm&#x2003;&#x2003;(2)1.0&#x3c;(446)/(548)&#x3c;2.0&#x2003;&#x2003;(3)0.5&#x3c;(628)/(548)&#x3c;1.0&#x2003;&#x2003;(4)1.0&#x3c;(446)/(548)&#x3c;2.0&#x2003;&#x2003;(5)0.5&#x3c;(628)/(548)&#x3c;1.0&#x2003;&#x2003;(6)40 nm&#x3c;(548)&#x3c;300 nm&#x2003;&#x2003;(7)20 nm&#x3c;(548)&#x3c;400 nm&#x2003;&#x2003;(8)0.5&#x3c;(446)/(548)&#x3c;1.5&#x2003;&#x2003;(9)0.5&#x3c;(628)/(548)&#x3c;2.0&#x2003;&#x2003;(10)0.5&#x3c;(446)/(548)&#x3c;2.0&#x2003;&#x2003;(11)0.5&#x3c;(628)/(548)&#x3c;1.5&#x2003;&#x2003;(12)

An optical film is provided and contains at least one of a polycarbonate copolymer and a blend containing the polycarbonate copolymer. The polycarbonate copolymer contains specific repeating units. The optical film satisfies the following formulae (1) to (4).0.1&#x3c;Re(450)/Re(550)&#x3c;0.95&#x2003;&#x2003;(1)1.03&#x3c;Re(650)/Re(550)&#x3c;1.93&#x2003;&#x2003;(2)0.4&#x3c;(Re(450)/Rth(450))/(Re(550)/Rth(550))&#x3c;0.95&#x2003;&#x2003;(3)1.05&#x3c;(Re(650)/Rth(650))/(Re(550)/Rth(550))&#x3c;1.90&#x2003;&#x2003;(4)

Optical film and optical compensatory film, polarizing plate and liquid crystal display using same

A novel liquid crystal display is disclosed. The display comprises a pair of substrates disposed facing each other and at least one of which has an electrode, a liquid-crystal layer being sandwiched in between the pair of substrates and comprising liquid-crystal molecules aligned along with a first alignment axis and a second alignment axis respectively formed on facing surfaces of the first and second substrates, a pair of polarizing plates disposed sandwiching the liquid-crystal layer, and at least an optically anisotropic layer disposed between the liquid-crystal layer and either of the polarizing plates, and comprising at least one liquid crystal compound which is aligned along with a third alignment axis and is fixed in the alignment state. And their disposition satisfies at least one of Condition (1): the alignment axes of the substrates are not parallel to transmission axes of the polarizing plates; and Condition (2): the alignment axis of the substrate is not parallel to the alignment axis of the optically anisotropic layer.

Growing community of inventors

Minami-ashigara, Japan

Yusuke Ohashi