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US-2015382487-A1 · Dec 31, 2015 · US
Process for making light guides with extraction structures and light guides produced thereby
US9329326B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9329326-B2 |
| Application number | US-47381409-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 28, 2009 |
| Priority date | May 18, 2006 |
| Publication date | May 3, 2016 |
| Grant date | May 3, 2016 |
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Abstract
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Light guides comprising light extraction structure arrays and articles comprising such light guides are described.
First claim
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We claim: 1. A lightguide receiving light from a light source, the lightguide comprising: an array of light extraction structures for extracting light from the lightguide, wherein the array of light extraction structures includes a plurality of aspherical light extraction structures each having a base, a top, and a height defined between the base and the top, and at least one of the light extraction structures is a truncated aspheric light extraction structure, wherein the hei…
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Operations & Transport · mapped topic
Physics · mapped topic
- G02B6/0041Primary
Physics · mapped topic
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- What does patent US9329326B2 cover?
- Light guides comprising light extraction structure arrays and articles comprising such light guides are described.
- Who is the assignee on this patent?
- Marttila Charles A, Hoyle Charles D, Ender David A, and 3 more
- What technology area does this patent fall under?
- Primary CPC classification G02B6/0041. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue May 03 2016 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).