Patent Number: 6,801,000

Title: Light-emitting devices

Abstract: A light-emitting device comprising: a first electroluminescent element for emitting light of a first colour when energised; and a second electroluminescent element for emitting light of a second colour when energised, the first electroluminescent element having an active lifetime which is greater than that of the second electroluminescent element; characterised in that the second element is configured to operate at a lower brightness than the first element.

Inventors: Jongman; Jan (Cambridge, GB), Altrip; John (Cambridge, GB), Lacey; David (Penang, MY)

Assignee: Cambridge Display Technology Ltd.

International Classification: H01L 51/50 (20060101); H01L 27/28 (20060101); H01L 27/32 (20060101); G09G 003/10 ()

Expiration Date: 10/05/2021