Control device and control method, and planar light source...

Details Control device and control method, and planar light source... Control device and control method, and planar light source...

2011-03-08

2011-03-08

Tran, Thuy Vinh (Department: 2821)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C315S224000, C315S246000, C315S299000, C315S360000

Reexamination Certificate

active

07903082

ABSTRACT:
A control device for controlling driving of an LED includes: a driving section driving the LED, the driving section being formed including a switching element; a control value obtaining section obtaining a control value of n+m bits; and a controlling section controlling the driving of the LED by the driving section on a basis of the control value of the n+m bits obtained by the control value obtaining section such that a number of times of turning on the switching element in a predetermined period is controlled by a control value of n higher-order bits, an ON time at one of the times of turning on the switching element is controlled by a control value of m lower-order bits, and ON times of the switching element excluding the ON time at the one time of turning on the switching element are a predetermined time.

REFERENCES:
patent: 6831621 (2004-12-01), Nakano
patent: 7573447 (2009-08-01), Oh et al.
patent: 2001/0052891 (2001-12-01), Yoshihara et al.
patent: 2002/0005861 (2002-01-01), Lewis
patent: 2007/0108846 (2007-05-01), Ashdown
patent: 2004-336944 (2004-11-01), None
patent: 2006-31977 (2006-02-01), None

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