Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation
Reexamination Certificate
2007-10-23
2007-10-23
Owens, Douglas W. (Department: 2821)
Electric lamp and discharge devices: systems
Current and/or voltage regulation
Automatic regulation
C315S224000, C315S291000, C315S176000, C345S083000, C345S089000, C345S156000, C345S691000
Reexamination Certificate
active
11252814
ABSTRACT:
An apparatus and method is disclosed for controlling a display driving pulse to drive an LED display. In one embodiment, an RGB signal is received and a period during which all the LEDs are switched off is detected. Also, the period during which an image is not being displayed is also detected. The driving time of each LED is then extended by the detected periods so that the lighting time of the LED is extended, and brightness of the display as a whole is improved using the LED system.
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Owens Douglas W.
Roylance Abrams Berdo & Goodman LLP
Samsung Electronics Co,. Ltd.
Tran Chuc
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