发明名称 IMPROVED WHITE LIGHT-EMITTING DEVICE
摘要 A light-emitting device comprises a light source adapted to emit light of a first wavelength range; a reflective body comprising a reflective layer; a wavelength converting layer comprising a wavelength converting material adapted to absorb light of said first wavelength range and to emit light of a second wavelength range, said wavelength converting layer and said light source being arranged mutually spaced apart; and light-scattering elements adapted to scatter light of at least said first wavelength range; wherein at least part of said light-scattering elements are arranged in the path of light from said light source to said wavelength converting layer. The light-emitting device according to the invention provides improved uniformity in colour and also improved brightness uniformity.
申请公布号 WO2009122339(A1) 申请公布日期 2009.10.08
申请号 WO2009IB51303 申请日期 2009.03.30
申请人 KONINKLIJKE PHILIPS ELECTRONICS N.V.;HOLTEN, PETRUS, A., J.;FABRIEK, VINCENT;TORDINI, GIORGIA;WEGH, RENE, T.;HUISMAN, BART-HENDRIK 发明人 HOLTEN, PETRUS, A., J.;FABRIEK, VINCENT;TORDINI, GIORGIA;WEGH, RENE, T.;HUISMAN, BART-HENDRIK
分类号 F21V7/22;F21Y101/02 主分类号 F21V7/22
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