| 摘要 |
Power is saved in a color display system (200) by sacrificing color rendering capability in favor of brightness capability. The system (200) comprises a plurality of light emitters (202, 204,206). The emitters are fed with a respective initial electric power input which adds up to a first total electric power input, whereby each light emitter provides an initial first color intensity, a second color intensity and a third color intensity, respectively, which, in combination, are perceivable to the human eye as an initial total brightness. Power input is then reduced to a second total power input by feeding each light emitter with a respective second electric power input, whereby the second total power input that is less than said first total power input is obtained. ® KIPO & WIPO 2007
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