Invention Grant
- Patent Title: Light emitting device and method of manufacturing same
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Application No.: US16772847Application Date: 2018-11-29
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Publication No.: US11355681B2Publication Date: 2022-06-07
- Inventor: Shoichi Kashihara , Masanobu Sato
- Applicant: NICHIA CORPORATION
- Applicant Address: JP Anan
- Assignee: NICHIA CORPORATION
- Current Assignee: NICHIA CORPORATION
- Current Assignee Address: JP Anan
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JPJP2018-014385 20180131
- International Application: PCT/JP2018/044064 WO 20181129
- International Announcement: WO2019/150739 WO 20190808
- Main IPC: H01L33/58
- IPC: H01L33/58 ; H01L33/00 ; H01L33/50 ; H01L33/56

Abstract:
A light emitting device including a fluorescent material with reduced hue, and a method of manufacturing the light emitting device are provided.
A light emitting device 100 includes: a light emitting element 1; a first light-transmissive member 3 covering the light emitting element 1; and a light diffusing member 5 contained in the first light-transmissive member 3. The light diffusing member 5 includes hollow particles. The surface of the first light-transmissive member 3 has irregular shapes attributed to the light diffusing member 5. The first light-transmissive member 3 is covered with a second light-transmissive member 4. The second light-transmissive member 4 has a convex structure in which the center is the uppermost point. The irregular shapes attributed to the light diffusing member 5 are covered with the second light-transmissive member 4.
A light emitting device 100 includes: a light emitting element 1; a first light-transmissive member 3 covering the light emitting element 1; and a light diffusing member 5 contained in the first light-transmissive member 3. The light diffusing member 5 includes hollow particles. The surface of the first light-transmissive member 3 has irregular shapes attributed to the light diffusing member 5. The first light-transmissive member 3 is covered with a second light-transmissive member 4. The second light-transmissive member 4 has a convex structure in which the center is the uppermost point. The irregular shapes attributed to the light diffusing member 5 are covered with the second light-transmissive member 4.
Public/Granted literature
- US20210175398A1 LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING SAME Public/Granted day:2021-06-10
Information query
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