Device for and method of driving luminescent display panel

Details Device for and method of driving luminescent display panel Device for and method of driving luminescent display panel

2006-12-26

2006-12-26

Lefkowitz, Sumati (Department: 2675)

Computer graphics processing and selective visual display system

Display driving control circuitry

Light detection means

C345S077000, C345S212000

Reexamination Certificate

active

07154492

ABSTRACT:
Provided is a driving device that enables compensating for the decrease in luminance characteristic due to the aging of an EL display panel. On a transparent substrate11made of, for example, glass, there are lamination-formed a number of luminescent elements20. By this, a light from the luminescent element is radiated, via the transparent substrate, in a direction of its intersecting a substrate surface thereof, thereby a display image is formed. The driving device is equipped with photo-electric conversion means23that, when receiving part of the light from the luminescent element20that, by using as the interface a substrate surface of the transparent substrate11or a substrate surface of a light-guiding substrate72disposed on the transparent substrate1in a laminated state, is reflected within the substrate, produces an electric signal, as well as drive power setting means25that sets a luminescent drive power that is supplied to each of the luminescent elements. By this construction, it is possible to compensate for the decrease in luminance characteristic due to, for example, the aging of the luminescent element20.

REFERENCES:
patent: 6812651 (2004-11-01), Iwata et al.
patent: 6892009 (2005-05-01), Ito et al.
patent: 6950098 (2005-09-01), Brabander et al.
patent: 2001/0035853 (2001-11-01), Hoelen et al.
patent: 2002/0011978 (2002-01-01), Yamazaki et al.
patent: 9-232074 (1997-09-01), None

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