Electric lamp and discharge devices: systems – Plural load device systems
Reexamination Certificate
2007-04-26
2009-10-06
Owens, Douglas W (Department: 2821)
Electric lamp and discharge devices: systems
Plural load device systems
C315S292000, C315S294000, C362S234000, C362S800000
Reexamination Certificate
active
07598686
ABSTRACT:
Organic light emitting diode (OLED) methods and apparatus in which at least one first OLED generates first radiation having a first spectrum, and at least one second OLED generates second radiation having a second spectrum different from the first spectrum. In one example, an addressable controller is coupled to the first OLED and the second OLED for independently controlling a first intensity of the first radiation and a second intensity of the second radiation based on a network signal including lighting information for a plurality of light-generating apparatus. An OLED controller may be in communication with a user interface to control different OLED-generated spectrums in response to user operation of the user interface. In one aspect, a controller may be configured to implement a pulse width modulation (PWM) technique to control the OLEDs.
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pat
Lys Ihor A.
Morgan Frederick M.
Mueller George G.
Owens Douglas W
Philips Solid-State Lighting Solutions, Inc.
Vu Jimmy T
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