Touch display

US8952935B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8952935-B2
Application numberUS-201213351762-A
CountryUS
Kind codeB2
Filing dateJan 17, 2012
Priority dateApr 13, 2011
Publication dateFeb 10, 2015
Grant dateFeb 10, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A touch display, including: a light source; a light guide plate, having a first refractive index and having a side face close to the light source; a cover layer, having a second refractive index and being placed over the light guide plate, and the second refractive index is smaller than the first refractive index; a plurality of pillar structures, having a third refractive index and being placed under the light guide plate, and the third refractive index is larger than or equal to the first refractive index; a touch structure, placed over the cover layer; and an electronic paper device, placed under the pillar structures.

First claim

Opening claim text (preview).

What is claimed is: 1. A touch display, comprising: a light source, being capable of emitting an incident light; a light guide plate, having a side face and a bottom surface connected to said side face, wherein said light guide plate has a first refractive index and said side face neighbors said light source and receives said incident light; a cover layer, having a second refractive index and being placed over said light guide plate, wherein said second refractive index of sai…

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What does patent US8952935B2 cover?
A touch display, including: a light source; a light guide plate, having a first refractive index and having a side face close to the light source; a cover layer, having a second refractive index and being placed over the light guide plate, and the second refractive index is smaller than the first refractive index; a plurality of pillar structures, having a third refractive index and being place…
Who is the assignee on this patent?
Huang Hsin-Tao, Tsai Chuang-Chuang, E Ink Holdings Inc
What technology area does this patent fall under?
Primary CPC classification G06F3/042. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Feb 10 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).