Liquid crystal optical element and image display apparatus including the same

US9030643B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9030643-B2
Application numberUS-201313869636-A
CountryUS
Kind codeB2
Filing dateApr 24, 2013
Priority dateApr 26, 2012
Publication dateMay 12, 2015
Grant dateMay 12, 2015

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  2. Abstract

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  5. First independent claim

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Abstract

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A liquid crystal prism element includes: a first prism array; a second prism array arranged so as to face the first prism array; and a liquid crystal layer provided between the first and second prism arrays. The first prism array is composed of a plurality of first prisms that have ridge lines extending in a Y axis direction and are arranged so as to be spaced apart from each other at predetermined intervals in an X axis direction The second prism array is composed of second prisms that have ridge lines extending in the Y axis direction and are arranged so as to be spaced apart from each other at predetermined intervals in the X axis direction. Each first prism has an inclined surface facing a center side of the liquid crystal layer. Each second prism has an inclined surface facing the center side of the liquid crystal layer.

First claim

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What is claimed is: 1. A liquid crystal optical element comprising: a first prism array; a second prism array arranged so as to face the first prism array; and a liquid crystal layer provided between the first and second prism arrays, wherein the first prism array is composed of a plurality of first prisms that have ridge lines extending in a first direction and are arranged so as to be spaced apart from each other at predetermined intervals in a second direction perpendicul…

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What does patent US9030643B2 cover?
A liquid crystal prism element includes: a first prism array; a second prism array arranged so as to face the first prism array; and a liquid crystal layer provided between the first and second prism arrays. The first prism array is composed of a plurality of first prisms that have ridge lines extending in a Y axis direction and are arranged so as to be spaced apart from each other at predeterm…
Who is the assignee on this patent?
Panasonic Corp, Panasonic Ip Man Co Ltd
What technology area does this patent fall under?
Primary CPC classification G02B30/27. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue May 12 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).