LIGHT EMITTING MODULE AND DISPLAY DEVICE
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United States of America Patent
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N/A
Issued Date -
May 2, 2013
app pub date -
Feb 14, 2012
filing date -
Oct 31, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A light emitting module and a display device comprising the light emitting module are provided. The light emitting module comprises an excitation light source, a phosphor wheel and a driving circuit. The excitation light source is configured to generate an excitation light. The phosphor wheel has a plurality of color segments and rotates at a period so that each of the color segments sequentially receives the excitation light to generate a color light. The driving circuit is electrically connected to the excitation light source and the phosphor wheel. The driving circuit is configured to provide a driving current to the excitation light source, and changes the driving current in accordance with each of the color segments receiving the excitation light so as to adjust an energy conversion efficiency of each of the color segments for generating the color light.
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