Display units

Details Display units Display units

2005-06-20

2009-12-08

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S076000, C315S169100

Reexamination Certificate

active

07629951

ABSTRACT:
A display unit comprising a first switch unit, a driving unit, a light-emitting unit, and a control circuit. The first switch unit has a control electrode coupled to a scan line, a first electrode coupled to a data line, and a second electrode coupled to a first node. The driving unit has a control electrode coupled to the first node, a first electrode coupled to a first voltage source, and a second electrode coupled to a second node. The light-emitting unit is coupled between the second node and a second voltage source. The control circuit is coupled between the first and second nodes and adjusts a voltage at the first node according to a voltage at the second node.

REFERENCES:
patent: 2003/0107535 (2003-06-01), Numao
patent: 2004/0056828 (2004-03-01), Choi et al.
patent: 2004/0140829 (2004-07-01), Noguchi et al.
patent: 2004/0196221 (2004-10-01), Shih
patent: 2004/0239600 (2004-12-01), Lin
patent: 2005/0083270 (2005-04-01), Miyazawa
patent: 2005/0225518 (2005-10-01), Yamada et al.
patent: 2005/0285822 (2005-12-01), Reddy et al.
patent: 1567409 (2005-01-01), None
CN Office Action mailed Mar. 9, 2007.

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