HIGH EFFICIENT LIGHT EMITTING DEVICES WITH ADDITIONA SCATTERING LAYER AND REFLECTING MEDIUM FOR WHITE LIG GENERATION

High efficient light emitting devices with additiona scattering layer and reflecting medium for white lig generation

Multiexcitation of phosphors, additional scattering layer around the chip and special re- flecting medium were proposed to improve the luminous efficiency and color properties of LED devices.LED devices with LIME an n-UV Ga(In)N chip GRUNDIG GNV22620 Full-size Integrated Dishwasher as well as blue GaN chip and multiexcited phosphors were developed

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Festivals pop 70 en France ou « le souci de tous ceux qui voient un lanceur de bombe dans un amateur de Rock’n’Roll »

Being inscribed in a momentum of international pop music festivals, the French pop music festivals were launched in 1970 : Le Bourget, Valbonne, Biot and Aix-en-Provence.Authorities fear violence such as Altamont Handles festival (1969) and also politic contestation organized by Maoists.Two festivals are banned (Valbonne and Aix).Using official ar

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