Touch panel

Details Touch panel Touch panel

1997-12-23

2000-06-20

Crosland, Donnie L.

Coded data generation or conversion

Bodily actuated code generator

Including keyboard or keypad

345173, 178 1801, 178 1803, 34081541, G08C 2100

Patent

active

060782749

ABSTRACT:
A touch panel is made up of (a) an insulating substrate provided with a transparent conductive film, and (b) a flexible insulating substrate provided with a transparent conductive film. A double-sided adhesive tape combines together (a) and (b), between which is provided a spacer. Since the insulating substrate and the flexible insulating substrate are held apart by the spacer, there is a layer of air between the insulating substrate and the flexible insulating substrate. On the two transparent conductive layers are provided anti-reflective films, in the form, for example, of square islets 100 nm thick and with sides of 80 .mu.m, with a pitch Pd of 100 .mu.m and an interval Dw of 20 .mu.m. Instead of providing the anti-reflective films, holes may be selectively provided in the transparent conductive films. In this way, a touch panel can be realized which enables a bright display screen without impairing input sensitivity.

REFERENCES:
patent: 4553820 (1985-11-01), Harada
patent: 5159159 (1992-10-01), Asher
patent: 5486485 (1996-01-01), Kim et al.
patent: 5847690 (1998-12-01), Boie et al.

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