US 12,002,909 B2
Surface-mounted multi-colored light emitting device
Kenta Mitsuyama, Anan (JP)
Assigned to NICHIA CORPORATION, Anan (JP)
Filed by NICHIA CORPORATION, Anan (JP)
Filed on Aug. 24, 2021, as Appl. No. 17/410,213.
Claims priority of application No. 2020-141385 (JP), filed on Aug. 25, 2020; application No. 2020-215487 (JP), filed on Dec. 24, 2020; application No. 2021-036278 (JP), filed on Mar. 8, 2021; and application No. 2021-122542 (JP), filed on Jul. 27, 2021.
Prior Publication US 2022/0069181 A1, Mar. 3, 2022
Int. Cl. H01L 33/56 (2010.01); H01L 33/00 (2010.01); H01L 33/22 (2010.01); H01L 33/58 (2010.01); H01L 33/62 (2010.01)
CPC H01L 33/56 (2013.01) [H01L 33/005 (2013.01); H01L 33/22 (2013.01); H01L 33/58 (2013.01); H01L 33/62 (2013.01); H01L 2933/005 (2013.01); H01L 2933/0066 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A light emitting device, comprising:
a package for surface mounting, the package comprising a plurality of leads and a dark-colored resin securing at least some of the plurality of leads, three leads of the plurality of leads respectively including an exposed region exposed from the dark-colored resin at a primary surface of the package, with a first recess, a second recess, and a third recess each being defined in the exposed region of a respective one of the three leads;
a plurality of light emitting elements, said plurality of light emitting elements including a first light emitting element disposed in the first recess and configured to emit first light, a second light emitting element disposed in the second recess and configured to emit second light having a wavelength shorter than a wavelength of the first light, and a third light emitting element disposed in the third recess and configured to emit third light having a wavelength shorter than a wavelength of the second light; and
a mold resin sealing the plurality of light emitting elements, wherein
the mold resin includes a base portion covering the primary surface of the package and the plurality of light emitting elements, and a plurality of lens portions formed integrally with the base portion,
each of the plurality of lens portions has a convex shape protruding upwardly from the base portion,
wherein in a plan view, the plurality of lens portions include a first lens portion overlapping with the first recess and the first light emitting element, a second lens portion overlapping with the second recess and the second light emitting element, and
a third lens portion overlapping with the third recess and the third light emitting element,
wherein
the first lens portion is colored in a similar color as the first light, the second lens portion is colored in a similar color as the second light, and the third lens portion is colored in a similar color as the third light.