Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2006-08-01
2006-08-01
Chow, Dennis-Doon (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C359S265000
Reexamination Certificate
active
07084853
ABSTRACT:
An electrochemical display apparatus in which simple matrix driving is realized, whereby apparatus constitution can be simplified, and the price of the apparatus can be lowered. The electrochemical display apparatus performs display by use of electrochemical deposition/dissolution of a metal. The display apparatus is driven by a simple matrix driving system, in which a deposition overvoltage at the time of deposition of metallic ions as the metal is used as a threshold in the simple matrix driving. A driving voltage is set to be not more than two times the deposition overvoltage. The electrochemical display apparatus includes transparent electrodes and counter electrodes, the display is performed by utilizing deposition/dissolution of the metal on the transparent electrodes, and the potential difference between the metal to be deposited on the transparent electrodes and the counter electrodes is set to be less than the deposition overvoltage. Ideally, the same metal as the metal which is deposited is used for constituting the counter electrodes.
REFERENCES:
patent: 4181406 (1980-01-01), Kohara et al.
patent: 6301039 (2001-10-01), Tench
patent: 11-101994 (1999-04-01), None
patent: 2000-347225 (2000-12-01), None
Matsui Takeshi
Shinozaki Kenji
Takahashi Ken'ichi
Chow Dennis-Doon
Frommer William S.
Frommer & Lawrence & Haug LLP
Presson Thomas F.
Sony Corporation
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