Title:
電気光学装置、電子機器
Document Type and Number:
Japanese Patent JP4491466
Kind Code:
B2
Abstract:
An electro-optic device includes a light source, a light guide panel configured to output light beams emitted from the light source through a light exit plane; a display panel illuminated by the light beams outputted from the light exit plane of the light guide panel passing therethrough; a prism sheet provided between the light guide panel and the display panel and formed with prisms having a triangular cross-section on a surface on the side of the display panel; and a light diffusing member provided between the light guide panel and the prism sheet. The prisms each having a ridge line extending substantially vertically to the direction of emission of the light beam emitted from the light source, and an apex angle is set to a range from 60° to 70°.
Inventors:
Yasunori Onishi
Application Number:
JP2007023806A
Publication Date:
June 30, 2010
Filing Date:
February 02, 2007
Export Citation:
Assignee:
Epson Imaging Device Co., Ltd.
International Classes:
G02F1/13357; F21S2/00; G02B5/02; G02B5/04
Domestic Patent References:
| JP659129A | ||||
| JP2006100182A | ||||
| JP2005347208A | ||||
| JP6324205A | ||||
| JP6222207A | ||||
| JP2001324614A | ||||
| JP2005128474A |
Attorney, Agent or Firm:
Masahiko Ueyanagi
Osamu Suzawa
Kazuhiko Miyasaka
Osamu Suzawa
Kazuhiko Miyasaka