Title:
透過型スクリーン及びリア型プロジェクタ
Document Type and Number:
Japanese Patent JP4089371
Kind Code:
B2
Abstract:
The screen (100) has a light guide plate (110) with cylindrical light-guide spaces arranged in a flat substrate, and a light-exit-angle distribution uniformizing unit (120) for making angular distribution of light exiting from light-guide spaces uniform over the screen. The light-exit-angle distribution uniformizing unit is placed at the light-exiting face side of the light-guide plate.
Inventors:
Masashi Sakaguchi
Application Number:
JP2002277958A
Publication Date:
May 28, 2008
Filing Date:
September 24, 2002
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
G03B21/62; G02B5/02; G03B21/10; G03B21/56; G02B6/00
Domestic Patent References:
| JP7219055A | ||||
| JP7005572A | ||||
| JP6138550A | ||||
| JP1195435A | ||||
| JP48008550A |
Attorney, Agent or Firm:
Masahiko Ueyanagi
Osamu Suzawa
Osamu Suzawa