Title:
LIGHT SOURCE DEVICE, ILLUMINATING DEVICE, AND PROJECTOR
Document Type and Number:
Japanese Patent JP2005128236
Kind Code:
A
Abstract:
To provide a light source device, etc., by which light is efficiently used with a plurality of solid light emitting elements and miniaturization is suitably realized.
The light source includes the solid light emitting elements 101 for allowing light beams of predetermined intensity to advance in specific directions, and a substrate 105 for fixing the plurality of solid light emitting elements 101 onto a predetermined face. The solid light emitting elements 101 are fixed such that the optical paths of light beams L advancing in the specific directions from the respective light emitting elements 101 are provided with intersections in the substantially same area near a position P on the incident end face 114 of a light guide part 112.
Inventors:
SEKI HIDEYA
Application Number:
JP2003363436A
Publication Date:
May 19, 2005
Filing Date:
October 23, 2003
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
G03B21/14; F21S2/00; F21S8/04; F21V8/00; F21V13/00; H01L33/58; F21Y101/02; (IPC1-7): G03B21/14; F21S2/00; F21S8/04; F21V8/00; F21V13/00; H01L33/00
Attorney, Agent or Firm:
Masahiko Ueyanagi
Fujitsuna Hideyoshi
Osamu Suzawa
Fujitsuna Hideyoshi
Osamu Suzawa