1
Josef Herbert Ferdinand Martens, Paul Leslie Burn, Karl Pichler, Richard Henry Friend, Andrew Bruce Holmes: Electroluminescent devices having a light-emitting layer. Cambridge Display Technology, Merchant Gould Smith Edell Welter & Schmidt, October 13, 1998: US05821690 (144 worldwide citation)

An electroluminescent device includes first and second layers (6, 12) of light emitting semiconductive conjugated polymers with an electrode arrangement (4, 8, 10, 14) for injecting charge carriers into both light emissive layers to cause light to be emitted therefrom. The first and second light emi ...


2
ORGANIC LIGHT-EMITTING DEVICE, AND LIGHT-EMITTING MATERIAL AND COMPOUND USED THEREFOR. September 7, 2017: US20170256720-A1

An organic light-emitting device having a light-emitting layer containing a compound represented by the general formula below has a high light emission efficiency. In the general formula, at least one of R1 to R5 represents a cyano group, at least one of R1 to R5 represents a 9-carbazolyl group, a 1 ...