Invention Grant
- Patent Title: Planar light source device and display device
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Application No.: US16469759Application Date: 2017-08-15
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Publication No.: US10747055B2Publication Date: 2020-08-18
- Inventor: Masato Nakamura
- Applicant: Enplas Corporation
- Applicant Address: JP Saitama
- Assignee: Enplas Corporation
- Current Assignee: Enplas Corporation
- Current Assignee Address: JP Saitama
- Agency: Brundidge & Stanger, P.C.
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@5bf5733f com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@7fb5a40b
- International Application: PCT/JP2017/029372 WO 20170815
- International Announcement: WO2018/109978 WO 20180621
- Main IPC: G02F1/13357
- IPC: G02F1/13357 ; G02B27/01
Abstract:
When the focal distance of the first luminous flux control member is f, and the distance between a first central axis and an optical axis in the light emitting element separated farthest from the first central axis is d, the planar light source device satisfies −0.6
Public/Granted literature
- US20200089059A1 PLANAR LIGHT SOURCE DEVICE AND DISPLAY DEVICE Public/Granted day:2020-03-19
Information query
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