Light source alignment system
US-2024401779-A1 · Dec 5, 2024 · US
Light flux controlling member, light emitting apparatus, and illumination apparatus
US8939618B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8939618-B2 |
| Application number | US-201313895644-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 16, 2013 |
| Priority date | May 17, 2012 |
| Publication date | Jan 27, 2015 |
| Grant date | Jan 27, 2015 |
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- Title
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Abstract
Official abstract text for this publication.
Light flux controlling member ( 140 ) includes: light controlling emission surface ( 141 ) for controlling the distribution of light emitted from light emitting element ( 130 ); back surface ( 143 ) that is positioned on a side opposite light controlling emission surface ( 141 ); boss ( 145 ) that is formed on back surface ( 143 ) side; and annular concave part ( 146 ) that is formed in the vicinity of a base end of boss ( 145 ). Annular concave part ( 146 ) has inside surface ( 146 a ) that is smoothly connected to an outer peripheral surface of the base end of boss ( 145 ) and that has an arc-shaped cross-section in an axial direction of boss ( 145 ).
First claim
Opening claim text (preview).
The invention claimed is: 1. A light flux controlling member comprising: a light controlling emission surface for controlling the distribution of light emitted from a light emitting element; a back surface that is positioned on a side opposite to the light controlling emission surface; a positioning boss that is formed on the back surface side; and an annular concave part that is formed to surround a base end of the boss, wherein the annular concave part has an inside surf…
Assignees
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Classifications
- F21V5/04Primary
Mechanical Engineering · mapped topic
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
Physics · mapped topic
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- What does patent US8939618B2 cover?
- Light flux controlling member ( 140 ) includes: light controlling emission surface ( 141 ) for controlling the distribution of light emitted from light emitting element ( 130 ); back surface ( 143 ) that is positioned on a side opposite light controlling emission surface ( 141 ); boss ( 145 ) that is formed on back surface ( 143 ) side; and annular concave part ( 146 ) that is formed in the vic…
- Who is the assignee on this patent?
- Enplas Corp
- What technology area does this patent fall under?
- Primary CPC classification F21V5/04. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Jan 27 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).