US 12,396,302 B2
Light-emitting device
Kazuaki Sakai, Tokushima (JP); Kenta Mitsuyama, Anan (JP); and Yoshio Ichihara, Anan (JP)
Assigned to NICHIA CORPORATION, Anan (JP)
Filed by NICHIA CORPORATION, Anan (JP)
Filed on Sep. 30, 2022, as Appl. No. 17/937,408.
Claims priority of application No. 2021-162286 (JP), filed on Sep. 30, 2021; application No. 2022-024240 (JP), filed on Feb. 18, 2022; and application No. 2022-083492 (JP), filed on May 23, 2022.
Prior Publication US 2023/0106437 A1, Apr. 6, 2023
Int. Cl. H10H 20/85 (2025.01); H01L 25/075 (2006.01); H10H 20/856 (2025.01); H10H 20/857 (2025.01)
CPC H10H 20/856 (2025.01) [H01L 25/0753 (2013.01); H10H 20/857 (2025.01)] 32 Claims
OG exemplary drawing
 
1. A light-emitting device comprising:
a resin package comprising:
a plurality of leads, and
a resin member configured to fix at least a part of the plurality of leads,
the resin package being provided, on a primary surface, with a plurality of recessed portions comprising a first recessed portion, a second recessed portion, and a third recessed portion each being defined by the resin member and the plurality of leads,
an inner upper surface of each of the first recessed portion, the second recessed portion, and the third recessed portion comprising an exposed region where a part of any one of the plurality of leads is exposed;
a first light-emitting element disposed in the exposed region of the first recessed portion;
a second light-emitting element disposed in the exposed region of the second recessed portion;
a third light-emitting element disposed in the exposed region of the third recessed portion;
a first reflective member disposed in the first recessed portion and surrounding, in a plan view, the first light-emitting element;
a second reflective member disposed in the second recessed portion and surrounding, in the plan view, the second light-emitting element;
a third reflective member disposed in the third recessed portion and surrounding, in the plan view, the third light-emitting element; and
a mold resin portion comprising:
a first lens portion positioned above the first light-emitting element,
a second lens portion positioned above the second light-emitting element, and
a third lens portion positioned above the third light-emitting element,
the first lens portion, the second lens portion, and the third lens portion each having a convex shape protruding upward from the primary surface,
in the plan view,
a maximum width of the first lens portion being less than a maximum width of the inner upper surface of the first recessed portion,
a maximum width of the second lens portion being less than a maximum width of the inner upper surface of the second recessed portion,
a maximum width of the third lens portion being less than a maximum width of the inner upper surface of the third recessed portion.