公开(公告)号：US10330831B2

公开(公告)日：2019-06-25

申请号：US15112889

申请日：2015-01-16

Applicant: TOMOEGAWA Co., Ltd.

Inventor： Masahide Sugiyama ,  Hiroto Katagiri ,  Hiroyuki Abe ,  Tsubasa Sakano

IPC: G02B5/02 ,  B29D11/00 ,  G02F1/1335

Abstract: Provided is an anisotropic optical film, which can, while keeping excellent display characteristics (e.g., brightness and contrast) in the direction of a viewing angle, suppress decreased display characteristics in the other directions, when the anisotropic optical film is used as a diffusion film of a display panel.In an anisotropic optical film including two or more anisotropic light diffusion layers where the linear transmittance varies depending on the incident angle of incident light, each of the anisotropic light diffusion layers is provided with a matrix region and a plurality of pillar regions that differ in refractive index from the matrix region, the film includes, as the anisotropic light diffusion layers, at least two types of anisotropic light diffusion layers (a) and (b) that differ in linear transmittance, the maximum linear transmittance of the anisotropic light diffusion (a) is 40% or more and less than 95%, and the minimum linear transmittance thereof is less than 20%, and the maximum linear transmittance of the anisotropic light diffusion layer (h) is 20% or more and less than 40%, and the minimum linear transmittance thereof is less than 20%.

公开(公告)号：US20130229603A1

公开(公告)日：2013-09-05

申请号：US13738566

申请日：2013-01-10

Applicant: TOMOEGAWA CO., LTD. ,  JAPAN DISPLAY WEST INC.

Inventor： Masaya Tamaki ,  Tatsuya Yata ,  Yoko Fukunaga ,  Masashi Mitsui ,  Hiroto Katagiri ,  Masahide Sugiyama

IPC: G02F1/1335

CPC classification number: G02F1/133504 ,  G02B5/0236

Abstract: An anisotropic scatterer is configured to allow a scattering characteristic of light in a display region of a display device to have an angle dependence, and is configured to change the scattering characteristic of the light continuously in an in-plane direction.

Abstract translation: 各向异性散射体被配置为允许显示装置的显示区域中的光的散射特性具有角度依赖性，并且被配置为在面内方向上连续地改变光的散射特性。