Display having sub-pixel having lower light-emission efficiency

Details Display having sub-pixel having lower light-emission efficiency Display having sub-pixel having lower light-emission efficiency

2011-05-31

2011-05-31

Patel, Nimeshkumar D (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S504000, C313S506000, C313S507000, C345S089000

Reexamination Certificate

active

07952267

ABSTRACT:
A display by an active matrix drive in which plural pixels are controlled independently from one another, wherein each of the pixels includes at least two sub-pixels, the sub-pixels emit light of the same color as each other by application of current, and one sub-pixel of the sub-pixels has a lower light-emission efficiency per unit of current than that of the other sub-pixel. A display which has an improved gradation and is capable of multi-gradation reproduction is provided.

REFERENCES:
patent: 5317437 (1994-05-01), Katakura et al.
patent: 6501466 (2002-12-01), Yamagishi et al.
patent: 2003/0222840 (2003-12-01), Koga et al.
patent: 2004/0150352 (2004-08-01), Koide et al.
patent: 5-34702 (1993-02-01), None
patent: 2001-147659 (2001-05-01), None
patent: 2003-280593 (2003-10-01), None
“Organic EL Materials and Displays (Yuuki EL Zairyou to Disupurei)” edited by Junji Kido, pp. 283-284, CMC (2001).

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