Back to results
US 2006/0221310 A1Published application
Illumination unit and image projection apparatus employing the same
AssigneeSamsung Electronics Co., Ltd.
InventorsJong-hoi Kim, Won-yong Lee, Young-chol Lee, Kye-hoon Lee
Life of this patent
Estimating the term…
Abstract
An illumination unit and an image projection apparatus employing the same. The illumination unit includes: a first reflective surface reflecting light incident thereon; a light-emitting device generating and emitting illuminating light; and a second reflective surface reflecting light emitted from the light-emitting device to a light source surface that includes the light-emitting device.
Claims33
An illumination unit comprising:
- a first reflective surface reflecting light incident thereon;
- a light-emitting device generating and emitting illuminating light;
- and
- a second reflective surface reflecting light emitted from the light-emitting device to a light source surface that includes the light-emitting device.
1 more element
An image projection apparatus comprising:
- at least one illumination unit;
- an image-forming device generating an image in response to an input image signal using light emitted from the illumination unit;
- and
- a projection lens unit enlarging and projecting the image formed by the image-forming device,
- wherein the illumination unit comprises:
- a first reflective surface reflecting light incident thereon;
- a light-emitting device generating and emitting illuminating light;
- and
- a second reflective surface reflecting light emitted from the light-emitting device to a light source surface that includes the light-emitting device.
6 more elements
Dependencies are inferred from the claim text.