US 11,937,346 B2
Light emitting device
Shinji Nakajima, Yonezawa (JP)
Assigned to PIONEER CORPORATION, Tokyo (JP); and TOHOKU PIONEER CORPORATION, Yamagata (JP)
Appl. No. 17/641,063
Filed by PIONEER CORPORATION, Tokyo (JP); and TOHOKU PIONEER CORPORATION, Tendo (JP)
PCT Filed Sep. 4, 2020, PCT No. PCT/JP2020/033594
§ 371(c)(1), (2) Date Mar. 7, 2022,
PCT Pub. No. WO2021/049433, PCT Pub. Date Mar. 18, 2021.
Claims priority of application No. 2019-165939 (JP), filed on Sep. 12, 2019.
Prior Publication US 2022/0338317 A1, Oct. 20, 2022
Int. Cl. H05B 33/22 (2006.01); H05B 33/04 (2006.01); H05B 33/14 (2006.01)
CPC H05B 33/22 (2013.01) [H05B 33/04 (2013.01); H05B 33/14 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A light emitting device comprising:
a substrate;
a light emitting portion positioned over the substrate;
a first structure surrounding a light emitting region comprising the light emitting portion;
a second structure positioned outside the first structure with respect to the light emitting region and surrounding the light emitting region;
a sealing layer covering the light emitting portion, the first structure, and the second structure; and
a resin layer covering at least a portion of the sealing layer overlapping with the light emitting region,
wherein the first structure comprises a first side surface positioned at the light emitting region side, and a second side surface positioned opposite to the first side surface and inclined away from the light emitting region with distance from the substrate, and
wherein the second structure comprises a third side surface positioned at the light emitting region side, and a fourth side surface positioned opposite to the third side surface and inclined away from the light emitting region with distance from the substrate.