US 7,510,289 B2
Light emitting diode and light emitting control system using same
Akira Takekuma, Tokyo (Japan)
Assigned to Avago Technologies ECBU IP (Singapore) Pte. Ltd., Singapore (Singapore)
Filed on Aug. 19, 2005, as Appl. No. 11/207,252.
Claims priority of application No. 2004-253795 (JP), filed on Sep. 01, 2004.
Prior Publication US 2006/0044815 A1, Mar. 02, 2006
Int. Cl. G03B 15/02 (2006.01)
U.S. Cl. 362—4  [362/11; 362/249; 362/800; 362/251; 257/99; 257/E33.058] 17 Claims
OG exemplary drawing
 
1. A light emitting diode (LED),comprising:
a cup
a lens mounted on a top portion of the cup;
a first light emitting diode chip located inside the LED on the cup and along an optical axis of the lens, and wherein the directional angle of light emitted by the first light diode chip and directed through the lens is 10° degrees or less; and
a second light emitting diode chip located inside the LED on the cup and placed away from the optical axis and is turned on and off independently of the first light-emitting diode chip.