Title:
導光板製造方法及び製造装置とこれのための導光板製造用の粒子噴射装置
Document Type and Number:
Japanese Patent JP4145803
Kind Code:
B2
Abstract:
Disclosed are a method of manufacturing a light guiding panel by means of carving fine engravings on a surface of a transparent substrate by plasting fine particles and an apparatus for the same. A distributed degree of the engravings gradually increases as they become far away from a light source position. The light guiding panel which has been so manufactured does not need a diffusion sheet and has a good brightness uniformity and a good light effectiveness.
Inventors:
Mung Boon Yun
Application Number:
JP2003580937A
Publication Date:
September 03, 2008
Filing Date:
November 26, 2002
Export Citation:
Assignee:
Funatech Company Limited
International Classes:
G02B6/00; B29C59/00; F21V8/00; G02F1/13; G02F1/13357; B29L7/00; B29L11/00
Domestic Patent References:
| JP10268137A | ||||
| JP11281976A |
Attorney, Agent or Firm:
Kosaku Sugimura
Hiroshi Tokunaga
Yoshiyuki Iwasa
Shiro Fujitani
Kiyoshi Kuruma
Kazuyuki Tomita
Eiji Fujiwara
Hiroshi Tokunaga
Yoshiyuki Iwasa
Shiro Fujitani
Kiyoshi Kuruma
Kazuyuki Tomita
Eiji Fujiwara