Back to results
US 2010/0163899 A1Published application
White light emitting device
AssigneeSamsung LED Co., Ltd.
InventorsJeong Tak Oh, Yong Chun Kim
Life of this patent
Estimating the term…
Abstract
A white light emitting device is disclosed. The white light emitting device includes a blue light emitting diode (LED) including a plurality of active layers generating different peak wavelengths, and phosphors emitting yellow light when excited by light emitted from the blue LED. The white light emitting device ensures enhanced excitation efficiency of the phosphors, and high luminance.
Claims10
A white light emitting device comprising:
- a blue light emitting diode (LED) including a plurality of active layers generating different peak wavelengths;
- and
- phosphors emitting yellow light when excited by light emitted from the blue LED.
Dependencies are inferred from the claim text.