Liquid crystal cells – elements and systems – Liquid crystal system – Liquid crystal writing tablet
Reexamination Certificate
2004-05-28
2009-12-15
Nelms, David (Department: 2871)
Liquid crystal cells, elements and systems
Liquid crystal system
Liquid crystal writing tablet
Reexamination Certificate
active
07633565
ABSTRACT:
An upper substrate that has upper conductive layer formed on a bottom surface thereof, is bonded to lower substrate, that has lower conductive layer opposed to the upper conductive layer with a predetermined space held therebetween, on a top surface of lower substrate by an adhesive layer that is made of a thermoplastic resin containing a tackifier dispersed therein, with a bonding property of the adhesive layer being enhanced by pressing. Addition of the tackifier increases flexibility of the adhesive layer and performs bonding with a large adhesive area at pressing. Thus, a width of the adhesive layer can be as small as approximately 1 to 1.5 mm. This can provide a smaller touch panel ensuring a predetermined touch sensitive area.
REFERENCES:
patent: 6559902 (2003-05-01), Kusuda et al.
patent: 2003/0096086 (2003-05-01), Matsumoto et al.
patent: 2003/0175507 (2003-09-01), Ikeda et al.
patent: 1417820 (2003-05-01), None
patent: 4-123728 (2002-04-01), None
Fukui Toshiharu
Matsumoto Ken-ichi
Murakami Tetsuo
Chien Lucy P
Nelms David
Panasonic Corporation
Wenderoth , Lind & Ponack, L.L.P.
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