US2022299699A1PendingUtilityA1

Method of manufacturing light emitting device

Assignee: NICHIA CORPPriority: Mar 30, 2018Filed: Jun 10, 2022Published: Sep 22, 2022
Est. expiryMar 30, 2038(~11.7 yrs left)· nominal 20-yr term from priority
H10W 90/00B29C 45/0053G02B 6/0003B29C 45/14467B29L 2031/34G02B 6/00G02B 6/0088G02B 6/0055G02B 6/0065H10H 20/0363H10H 20/0362H10H 20/036H10H 20/856H10H 20/855H10H 20/851H10H 20/8506H10H 20/85H10H 20/854
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Claims

Abstract

A light emitting device includes: a substrate; a light emitting element disposed on the substrate; a plate-shaped light transmissive member having a first face, a second face opposite to the first face and a lateral face between the first face and the second face, the plate-shaped light transmissive member disposed so that the second face faces a light emission face of the light emitting element; a light shielding frame having an inner perimeter face surrounding the lateral face; a first light reflecting member disposed between the lateral face and the inner perimeter face so as to expose the first face of the light transmissive member; and a second light reflecting member disposed between the first light reflecting member and the substrate to cover a side face of the light emitting element.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A light emitting device comprising:
 a substrate;   a light emitting element disposed on the substrate;   a plate-shaped light transmissive member having a first face, a second face opposite to the first face and a lateral face between the first face and the second face, the plate-shaped light transmissive member disposed so that the second face faces a light emission face of the light emitting element;   a light shielding frame having an inner perimeter face surrounding the lateral face;   a first light reflecting member disposed between the lateral face and the inner perimeter face so as to expose the first face of the light transmissive member; and   a second light reflecting member disposed between the first light reflecting member and the substrate to cover a side face of the light emitting element.   
     
     
         2 . The light emitting device according to  claim 1 , wherein the second face of the plate-shaped light transmissive member is larger than the first face of the plate-shaped light transmissive member. 
     
     
         3 . The light emitting device according to  claim 2 , wherein at least part of an outer perimeter of the second face is positioned on the outside of the inner perimeter face of the light shielding frame. 
     
     
         4 . The light emitting device according to  claim 1 , wherein a thickness of the light shielding frame is smaller than a thickness of the plate-shaped light transmissive member. 
     
     
         5 . The light emitting device according to  claim 1 , wherein the second face of the light transmissive member and the light emission face of the light emitting element are bonded via a light guide member. 
     
     
         6 . The light emitting device according to  claim 1 , wherein the light transmissive member contains a phosphor. 
     
     
         7 . The light emitting device according to  claim 1 , wherein
 the first face of the light transmissive member and an upper face of the light shielding frame are positioned on a same plane.   
     
     
         8 . The light emitting device according to  claim 1 , wherein the second light reflecting member covers the outer perimeter of the light shielding frame. 
     
     
         9 . The light emitting device according to  claim 1 , wherein
 the outer perimeter of the light shielding frame is positioned inside of the outer perimeter of the light emitting device.   
     
     
         10 . The light emitting device according to  claim 1 , wherein the light shielding frame is constructed with a metal frame comprising a metal or a frame having a metal film on the surface, the metal or the metal film absorbing a light. 
     
     
         11 . The light emitting device according to  claim 1 , wherein
 a spacing between the inner perimeter of the light shielding frame and an outer perimeter of the first face of the light transmissive member is not less than 5 μm nor more than 150 μm.   
     
     
         12 . The light emitting device according to  claim 1 , wherein
 the thickness of the light shielding frame is not less than 20 μm nor more than 200 μm.

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