An illumination source including a first OLED layer capable of emitting light of a first color, a second OLED layer capable of emitting light of a second color and disposed on the first OLED layer, each of said first, second OLED layers including alternating active light-emitting areas and inactive non-light...http://www.google.fr/patents/US20080136337?utm_source=gb-gplus-shareBrevet US20080136337 - COLOR TUNABLE ILLUMINATION SOURCE AND METHOD FOR CONTROLLED ILLUMINATION
COLOR TUNABLE ILLUMINATION SOURCE AND METHOD FOR CONTROLLED ILLUMINATION
Numéro de demande: 11/567,478 Numéro de publication: US 2008/0136337 A1 Date de dépôt: 6 déc. 2006 Brevet délivré: US7498603 ( Date de délivrance 3 mars 2009)
