N.V.Hybrid white light source comprising led and phosphor-ledEP1160883A2May 30, 2001Dec 5, 2001Matsushita Electric Industrial Co., Ltd.LED lampWO1997048138A2May 28, 1997Dec 18, 1997Philips Electronics NvVisible light emitting devices including uv-light emitting diode and uv-excitable, visible light emitting phosphor, and method of producing such devicesWO2000033389A1Nov 30, 1999Jun 8, 2000Gen Ele