Electromagnetic digitizer and distortion-free LCD

Details Electromagnetic digitizer and distortion-free LCD Electromagnetic digitizer and distortion-free LCD

2005-06-14

2005-06-14

Shankar, Vijay (Department: 2673)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

Reexamination Certificate

active

06906694

ABSTRACT:
An input/output device is disclosed that includes a digitizer with an LCD mounted thereon and a protective layer mounted directly on the LCD to minimize the parallax errors that have heretofore occurred when a protective layer was mounted in a spaced relation from an LCD. The LCD is a fringe field switching (FFS) LCD which does not distort when pressure is applied to its upper surface through the directly connected protective layer.

REFERENCES:
patent: 4542960 (1985-09-01), Yang
patent: 6215542 (2001-04-01), Lee et al.
patent: 6233034 (2001-05-01), Lee et al.
patent: 6642985 (2003-11-01), Kim et al.
patent: 6646707 (2003-11-01), Noh et al.
patent: 6678027 (2004-01-01), Park et al.

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