Etching a substrate: processes – Forming or treating a sign or material useful in a sign – Sign or material is electroluminescent
Patent
1993-05-05
1995-10-24
Dang, Thi
Etching a substrate: processes
Forming or treating a sign or material useful in a sign
Sign or material is electroluminescent
216 67, G09G 334
Patent
active
054606888
ABSTRACT:
An electrophoretic display has a grid cathode matrix arrangement consisting of a first plurality of parallel conductive lines insulated from a second plurality of parallel conductive lines transverse to said first plurality. Located with respect to the grid and cathode lines are first and second anode structures. The first anode is remote from the second with the second anode overlying the gird lines of the display and insulated therefrom. The second anode is biased to implement typical HOLD and ERASE modes independent of the first anode.
REFERENCES:
patent: 5302235 (1994-04-01), DiSanto et al.
Disanto Frank J.
Krusos Denis A.
Copytele Inc.
Dang Thi
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