Lighting emitting apparatus
AssigneeLG Innotek Co., Ltd.
InventorsJi Wook Moon, Woo Seuk Song, Yong Jin Noh
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Abstract
Embodiments provide a light-emitting device comprising: a light-emitting element configured for emitting excited light; a first wavelength conversion material to partially absorbs the excited light and emits light with a first emission wavelength; a second wavelength conversion material to partially absorbs the excited light and emits light with a second emission wavelength; and a third wavelength conversion material to partially absorbs the excited light and emits light with a third emission wavelength, wherein the first emission wavelength has a first emission peak at 530 nm to 540 nm, the second emission wavelength has a second emission peak at 550 nm to 560 nm, the third light-emitting device has a third emission peak at 620 nm to 650 nm.
Claims20
A light-emitting device comprising:
- a light-emitting element configured for emitting excited light;
- a first wavelength conversion material to partially absorbs the excited light and emits light with a first emission wavelength;
- a second wavelength conversion material to partially absorbs the excited light and emits light with a second emission wavelength;
- and
- a third wavelength conversion material to partially absorbs the excited light and emits light with a third emission wavelength,
- wherein the first emission wavelength has a first emission peak at 530 nm to 540 nm, the second emission wavelength has a second emission peak at 550 nm to 560 nm, the third light-emitting device has a third emission peak at 620 nm to 650 nm,
- wherein all of the first to third wavelength conversion materials are nitride-based fluorescent materials,
- wherein the first emission wavelength has a sub-emission peak at 570 nm to 610 nm.
A light-emitting device comprising:
- a light-emitting element configured for emitting excited light;
- a first wavelength conversion material to partially absorbs the excited light and emits light with a first emission wavelength;
- a second wavelength conversion material to partially absorbs the excited light and emits light with a second emission wavelength;
- and
- a third wavelength conversion material to partially absorbs the excited light and emits light with a third emission wavelength,
- wherein the first emission wavelength has a first emission peak at 530 nm to 540 nm, the second emission wavelength has a second emission peak at 550 nm to 560 nm, the third light-emitting device has a third emission peak at 620 nm to 650 nm,
- wherein the first emission wavelength has a sub-emission peak at 570 nm to 610 nm.
Dependencies are inferred from the claim text.