Inner type touch panel, process for producing the same and...

Details Inner type touch panel, process for producing the same and... Inner type touch panel, process for producing the same and...

2007-03-13

2007-03-13

Awad, Amr A. (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

C349S012000

Reexamination Certificate

active

10619213

ABSTRACT:
A touch panel comprising: a cellulose film provide with a hard coat layer having a pencil hardness of 2H or more; a polarizing film; a retardation plate; a first transparent conductive film; a second transparent conductive film; and a substrate, in this order, wherein the first and second transparent conductive films are provided so as to face to each other, and the cellulose film, the hard coat layer, the polarizing film, the retardation plate and the first transparent conductive film define a movable substrate.

REFERENCES:
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patent: 6400433 (2002-06-01), Arakawa et al.
patent: 6611299 (2003-08-01), Fujii et al.
patent: 6965191 (2005-11-01), Koike et al.
patent: 05-127822 (1993-05-01), None
patent: 2000-284126 (2000-10-01), None
patent: 2002-86554 (2002-03-01), None
Hirohiko Naito, “Improvement in Visual Quality for Touch Panel”,Gekkan Disupurei,Jan. 1991, pp. 67-70.

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