Surface light source device
Patent
US-2006268571-A1
Inventor
HARADA TAKAMASA (JP)
KITA FUMIO (DE)
KANAO HIROKI (JP)
Assignee
HARADA TAKAMASA
KITA FUMIO
KANAO HIROKI
Country
United States
Dates
- Priority:2003/07/25
Description
This web page summarizes information in PubChem about patent US-2006268571-A1. This includes chemicals mentioned, as reported by PubChem contributors, as well as other content, such as title, abstract, and International Patent Classification (IPC) codes. To read more about how this page was constructed, please visit the PubChem patents help page.
A surface light source device comprises a light emitting section ( 11 ) made of a single spot light source, a light guide plate ( 12 ), a reflective surface ( 13 ) provided on the back side of the light guide plate, and a prism pattern ( 15 ). On the light emitting surface side of the light guide plate ( 12 ), there is provided a directional light scattering film ( 14 ) consisting of at least two phases having different refractive indexes and scattering light when transmitting it. One phase of a larger refractive index includes a plenty of areas having a columnar structure extending in the thickness direction of a film and arranged to be perpendicular to a normal to the film, and exhibiting a maximum scattering angle of 10-40°.
2003/07/25
2004/07/15
2006/11/30
HARADA TAKAMASA (JP)
KITA FUMIO (DE)
KANAO HIROKI (JP)
HARADA TAKAMASA
KITA FUMIO
KANAO HIROKI
United States
F21V8/00 (inventive)
G02F1/13357 (inventive, first)
G02B6/00
F21Y101/02
G02B5/02 (inventive)
F21V7/04 (inventive, first)
G02B6/0038 (inventive)
G02B6/0051 (inventive, first)
G02B6/0061
G02F1/1335 (inventive, first)
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