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Light-emitting device and method of manufacturing the same

專利號
US11996504B2
公開日期
2024-05-28
申請人
NICHIA CORPORATION（JP Anan）
發(fā)明人
Shoichi Kashihara; Masanobu Sato; Toshimasa Amiya
IPC分類
H01L33/00; H01L25/075; H01L33/48; H01L33/50; H01L33/54; H01L33/56; H01L33/30; H01L33/62; H01L33/64
技術(shù)領(lǐng)域
light,diffusing,emitting,member,agent,resin,in,silicone,phosphor,surface
地域： Anan

摘要

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.

說明書

Providing Second In-Process Product

The second in-process product 20, in which the light-emitting elements 21 are placed on or above the plate-like base member 22 and the annular protrusion 27 surrounds the light-emitting elements 21, is provided.

As shown in FIG. 6A, in Step S21 of providing a second in-process product, the second in-process product 20, which includes the plate-like base member 22, the light-emitting elements 21 placed on or above the plate-like base member 22, and the annular protrusion 27 surrounding the light-emitting elements 21, is provided. In Step S21 of providing a second in-process product, the light-emitting elements 21 are electrically connected to the wiring 26 on the base member 22 by wires or bumps.

Injecting Resin

The light-transmissive member 23 containing at least the light-diffusing agent 24 including the hollow particles is injected into the inside of the protrusion 27 to form the convex shape in which a thickness is gradually increased from the peripheral portion thereof toward the central portion thereof. Hereinafter, a case in which a silicone resin is used for a material of the light-transmissive member 3 will be illustrated.

權(quán)利要求

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