发明名称 AN ILLUMINATION DEVICE USING PULSE WIDTH MODULATION OF A LED
摘要 <p>An illumination device (200) utilizing a pulse modulation technique of a solid state light source to provide increased light output for a given heat load. The power is supplied by the pulse generator (225) in pulses to periodically activate a short wavelength emitting LED (230), which in turn stimulates a phosphor-based color conversion system to produce sustained white light.</p>
申请公布号 WO1998053646(A1) 申请公布日期 1998.11.26
申请号 US1998010531 申请日期 1998.05.22
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