An optical semiconductor device includes a first light receiving region and a second light
receiving region provided on a substrate and the first and second light receiving regions …

An optical element includes a first and a second layer in a first and a second region
respectively in light propagating direction; a first and a second core layer above the first and …

An optical semiconductor device includes: a base Substrate which has a concave portion; a
light-emitting element which is provided in the concave portion, and which emits light; a …

US20040245530A1 - Optical semiconductor device and method of manufacturing same -
Google Patents US20040245530A1 - Optical semiconductor device and method of …

METHOD FOR MANUFACTURING THE SAME US PATENT DOCUMENTS 7,419.312 B2*
9/2008 Nagasaka....................... 385, 92 (75) Inventors: Kazuhisa Ishi, Tokyo (JP): Takaaki …

(57) ABSTRACT A method of manufacturing an optical device including: on at least one of a
light transmitting first Substrate and a second Substrate which includes a first optical element …

(57) An optical semiconductor device includes: an optical semi conductor element including
a light-emitting layer formed on a first principal surface, a first electrode formed on the light …

An optical semiconductor device of which the moisture resis tance and the like are improved
and the manufacturing method thereof are provided. An optical semiconductor device of the …

US PATENT DOCUMENTS JP 04-082268 3, 1992 6,049,118 A 4/2000 Nagano JP
O9219534 8, 1997 6,114,740 A 9, 2000 Takimoto et al. JP O9-307086 11, 1997 6,184,100 …

(57) ABSTRACT A disclosed optical semiconductor device includes a first semiconductor
layer having a first refractive index and a first optical absorption coefficient; and a second …