US 12,002,840 B2
Light emitting element and manufacturing method of light emitting element
Takako Suga, Kanagawa (JP); Takeshi Uchida, Kanagawa (JP); and Takeshi Yoshioka, Kanagawa (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jan. 18, 2022, as Appl. No. 17/577,598.
Application 17/577,598 is a continuation of application No. PCT/JP2020/028840, filed on Jul. 28, 2020.
Claims priority of application No. 2019-139551 (JP), filed on Jul. 30, 2019.
Prior Publication US 2022/0139997 A1, May 5, 2022
Int. Cl. H01L 33/10 (2010.01); H01L 27/15 (2006.01); H01L 33/00 (2010.01); H01L 33/08 (2010.01); H01L 33/46 (2010.01); H01L 33/06 (2010.01); H01L 33/32 (2010.01)
CPC H01L 27/15 (2013.01) [H01L 33/0075 (2013.01); H01L 33/08 (2013.01); H01L 33/105 (2013.01); H01L 33/46 (2013.01); H01L 33/465 (2013.01); H01L 33/06 (2013.01); H01L 33/32 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A light emitting element comprising:
a first active layer that emits light having a first wavelength by injecting current;
a second active layer that emits light having a second wavelength different from the first wavelength by absorbing the light having the first wavelength; and
a first reflecting mirror in which a reflectance of the light having the first wavelength is higher than a reflectance of the light having the second wavelength,
wherein the first reflecting mirror is disposed at a position closer to an emission end, from which the light emitted by the first active layer or the second active layer exits outside, than the first active layer and the second active layer,
wherein the light emitting element further comprises, in a plan view, a first region and a second region,
wherein the first active layer and the second active layer are disposed in each of the first region and the second region,
wherein an emitting amount of the light having the first wavelength is greater than an emitting amount of the light having the second wavelength in the first region, and
wherein an emitting amount of the light having the second wavelength is greater than an emitting amount of the light having the first wavelength in the second region.