Method of manufacturing optical member
US-9207489-B2 · Dec 8, 2015 · US
Condensing type optical sheet
US8939596B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8939596-B2 |
| Application number | US-201013386606-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 28, 2010 |
| Priority date | Jul 29, 2009 |
| Publication date | Jan 27, 2015 |
| Grant date | Jan 27, 2015 |
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Abstract
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Disclosed is a condensing type optical sheet for use in a liquid crystal display, which prevents the generation of a yellow band or a rainbow phenomenon without using a protective sheet.
First claim
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The invention claimed is: 1. A condensing type optical sheet, comprising: a substrate layer, and a structural layer formed on one surface or both surfaces of the substrate layer and having an array of a plurality of three-dimensional structures, wherein each of the three-dimensional structures of the structural layer includes a pair of a first slope portion and a second slope portion, each slope portion extending in opposite directions from one peak point where the first slope p…
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Frequently asked questions
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- What does patent US8939596B2 cover?
- Disclosed is a condensing type optical sheet for use in a liquid crystal display, which prevents the generation of a yellow band or a rainbow phenomenon without using a protective sheet.
- Who is the assignee on this patent?
- Lee Hyun Soo, Hong Chang Pyo, Kang Chung Seock, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification G02B5/045. Mapped technology areas include Physics.
- 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).