公开(公告)号：US12116516B2

公开(公告)日：2024-10-15

申请号：US17576221

申请日：2022-01-14

Applicant: NICHIA CORPORATION

Inventor： Yasuo Kato ,  Kazuya Matsuda

IPC: H01L23/495 ,  C09K11/77 ,  H01L33/48 ,  H01L33/50 ,  H01L33/56 ,  H01L33/60 ,  H01L33/62 ,  H01S5/0232

CPC classification number: C09K11/7774 ,  H01L33/486 ,  H01L33/502 ,  H01L33/56 ,  H01L33/60 ,  H01L33/62 ,  H01S5/0232 ,  H01L2933/0033 ,  H01L2933/0041 ,  H01L2933/005 ,  H01L2933/0058 ,  H01L2933/0066

Abstract: A metallic structure for an optical semiconductor device, including a base body having disposed thereon at least in part metallic layers in the following order; a nickel or nickel alloy plated layer, a gold or gold alloy plated layer, and a silver or silver alloy plated layer, wherein the silver or silver alloy plated layer has a thickness in a range of 0.001 μm or more and 0.01 μm or less.

公开(公告)号：US10164162B2

公开(公告)日：2018-12-25

申请号：US15721377

申请日：2017-09-29

Applicant: NICHIA CORPORATION

Inventor： Yasuo Kato

IPC: H01L33/60 ,  H01L33/00 ,  H01L33/50 ,  H01L33/62

Abstract: A light emitting device includes: a light emitting element; and a light reflective member adapted to reflect light emitted from the light emitting element, the light reflective member comprising a base metal made of a crystallized metal, an amorphous layer located over the base metal and made of an amorphous metal, and an Ag-containing layer located over the amorphous layer.

公开(公告)号：US09966513B2

公开(公告)日：2018-05-08

申请号：US14332274

申请日：2014-07-15

Applicant: Nichia Corporation

Inventor： Masakazu Sakamoto ,  Yoshiki Sato ,  Yasuo Kato

IPC: F21V21/00 ,  H01L33/60 ,  H01L33/44 ,  H01L33/62

CPC classification number: H01L33/60 ,  H01L33/44 ,  H01L33/62 ,  H01L2224/45124 ,  H01L2224/45139 ,  H01L2224/45144 ,  H01L2224/45147 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2224/8592 ,  H01L2924/00011 ,  H01L2924/01005 ,  H01L2924/00014 ,  H01L2924/00 ,  H01L2924/01049 ,  H01L2924/01004

Abstract: A light emitting device includes a light emitting element; a light reflecting member having an Ag-containing layer on a surface thereof; and a protective film having a thickness of 1 nm to 300 nm and covering a surface of the light reflecting member, the protective film covering a surface of the light reflecting member, in which the Ag-containing layer has a thickness of 0.1 μm to 0.5 μm.