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US 2010/0245943 A1Published application
Illumination device
AssigneePanasonic Corporation
InventorsKouhei Suyama, Junichi Suematsu, Yuuzou Kawano
Life of this patent
Estimating the term…
Abstract
An illumination device comprising: an optical guide for receiving light emitted from a light source and guiding the light by repetitive transmission and reflection; a reflective member for reflecting light transmitting in the optical guide to an outside of the optical guide within the optical guide; a supplemental reflective member for reflecting light transmitting the reflective member and light leaked from the optical guide while evading the optical guide to an inside of the optical guide, transmitting the reflective member and light leak.
Claims11
An illumination device comprising:
- an optical guide for receiving light emitted from a light source and guiding the light by repetitive transmission and reflection;
- a reflective member for reflecting light transmitting in the optical guide to an outside of the optical guide within the optical guide;
- a supplemental reflective member for reflecting light leaked from the optical guide to an inside of the optical guide.
Dependencies are inferred from the claim text.