Dai Nippon Printing Co., Ltd.

Mitsuru Inoue

Hiroshi Kojima

Daijiro Kodama

Satoshi Goishihara

Akinobu Ushiyama

Eiji Asano

Akiko Tomita

Katsunori Shintani

Keiko Kitano

Amane Koike

An optical sheet including a fly-eye lens is provided, which exhibits excellent optical functions, including desired light condensing ability, light diffusing ability and an ability for rendering a light source image substantially invisible, and can be produced with high reproducibility. The optical sheet includes a sheet-like main body, first unit shaped elements arranged on one surface of the main body and together constituting the fly-eye lens; and second unit shaped elements arranged on the one surface of the main body and extending in parallel with one direction on the sheet surface of the main body. The first unit shaped elements are arranged, with a space provided therebetween, on the one surface of the main body, while the second unit shaped elements are arranged between the first unit shaped elements on the one surface of the main body.

Optical sheet, surface light source device and transmission-type display device

There is provided a protective film to be bonded to a polarizer to form a lower polarizing plate for a liquid crystal display panel. The protective film for a lower polarizing plate includes a matrix of a resin material and a diffusing component dispersed in the matrix. At least one-side surface, which is to face the polarizer, of the protective film is flat.

Protective film, lower polarizing plate, liquid crystal display panel, display device, and method for producing protective film

Growing community of inventors

Okayama, Japan

Mitsuru Inoue