Patent · US Active

Illuminating apparatus

US8454218B2 · kind B2 · utility

37Cited by

5References

10Claims

0Family size

Assignee

YOUNG LIGHTING TECHNOLOGY INC. · TW

Inventors

Wei Wang · Palo Alto, US
Udo Custodis · Munich, DE
Wen-Chiao Chang · Baoshan, TW

Key dates

Filing date	May 20, 2010
Grant date	Jun 4, 2013
Priority date	—
Expiry date	May 22, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG02B6/0068
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An illuminating apparatus includes a plurality of light source units and a light guide plate. The light guide plate has a flat part and a protruding part, wherein the light source units provide a side light beam into the light guide plate at an edge surface, the side light beam is guided in the light guide plate and exits at the protruding part.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.