公开(公告)号：US11621379B2

公开(公告)日：2023-04-04

申请号：US17181780

申请日：2021-02-22

Applicant: NICHIA CORPORATION

Inventor： Shoichi Kashihara ,  Masanobu Sato ,  Toshimasa Amiya

IPC: H01L33/00 ,  H01L33/54 ,  H01L33/50 ,  H01L33/48 ,  H01L25/075 ,  H01L33/56 ,  H01L33/30 ,  H01L33/62 ,  H01L33/64

Abstract: A light-emitting device 100 includes: a light-emitting element; a light-transmissive member covering the light-emitting element; and a light-diffusing agent contained in the light-transmissive member and comprising hollow particles. The light-transmissive member has a first surface having irregularities according to the light-diffusing agent. The first surface of the light-transmissive member has a convex shape with a height gradually increased from a peripheral portion of the first surface toward a central portion of the first surface.

公开(公告)号：US20190237641A1

公开(公告)日：2019-08-01

申请号：US16262284

申请日：2019-01-30

Applicant: NICHIA CORPORATION

Inventor： Shoichi Kashihara ,  Masanobu Sato ,  Toshimasa Amiya

IPC: H01L33/54 ,  H01L33/50 ,  H01L33/48 ,  H01L25/075 ,  H01L33/56

CPC classification number: H01L33/54 ,  H01L25/0753 ,  H01L33/30 ,  H01L33/486 ,  H01L33/505 ,  H01L33/508 ,  H01L33/56 ,  H01L33/62 ,  H01L33/647 ,  H01L2933/0041 ,  H01L2933/005 ,  H01L2933/0091

Abstract: A light-emitting device 100 includes: a light-emitting element; a light-transmissive member covering the light-emitting element; and a light-diffusing agent contained in the light-transmissive member and comprising hollow particles. The light-transmissive member has a first surface having irregularities according to the light-diffusing agent. The first surface of the light-transmissive member has a convex shape with a height gradually increased from a peripheral portion of the first surface toward a central portion of the first surface.

公开(公告)号：US11996504B2

公开(公告)日：2024-05-28

申请号：US18112916

申请日：2023-02-22

Applicant: NICHIA CORPORATION

Inventor： Shoichi Kashihara ,  Masanobu Sato ,  Toshimasa Amiya

IPC: H01L33/00 ,  H01L25/075 ,  H01L33/48 ,  H01L33/50 ,  H01L33/54 ,  H01L33/56 ,  H01L33/30 ,  H01L33/62 ,  H01L33/64

CPC classification number: H01L33/54 ,  H01L25/0753 ,  H01L33/486 ,  H01L33/505 ,  H01L33/508 ,  H01L33/56 ,  H01L33/30 ,  H01L33/62 ,  H01L33/647 ,  H01L2933/0041 ,  H01L2933/005 ,  H01L2933/0091

Abstract: A light-emitting device 100 includes: a light-emitting element; a light-transmissive member covering the light-emitting element; and a light-diffusing agent contained in the light-transmissive member and comprising hollow particles. The light-transmissive member has a first surface having irregularities according to the light-diffusing agent. The first surface of the light-transmissive member has a convex shape with a height gradually increased from a peripheral portion of the first surface toward a central portion of the first surface.

公开(公告)号：US10964859B2

公开(公告)日：2021-03-30

申请号：US16262284

申请日：2019-01-30

Applicant: NICHIA CORPORATION

Inventor： Shoichi Kashihara ,  Masanobu Sato ,  Toshimasa Amiya

IPC: H01L33/00 ,  H01L33/54 ,  H01L33/50 ,  H01L33/48 ,  H01L25/075 ,  H01L33/56 ,  H01L33/30 ,  H01L33/62 ,  H01L33/64

Abstract: A light-emitting device 100 includes: a light-emitting element; a light-transmissive member covering the light-emitting element; and a light-diffusing agent contained in the light-transmissive member and comprising hollow particles. The light-transmissive member has a first surface having irregularities according to the light-diffusing agent. The first surface of the light-transmissive member has a convex shape with a height gradually increased from a peripheral portion of the first surface toward a central portion of the first surface.