Morphological and electrical properties of indium tin oxide films prepared at a low processing temperature for flexible organic light-emitting devices

2001 ◽  
Vol 85 (2-3) ◽  
pp. 114-117 ◽  
Author(s):  
Furong Zhu ◽  
Keran Zhang ◽  
Bee Ling Low ◽  
Shuang Fang Lim ◽  
Soo Jin Chua
Keyword(s):  
Electrical Properties ◽  
Tin Oxide ◽  
Indium Tin Oxide ◽  
Oxide Films ◽  
Processing Temperature ◽  
Light Emitting ◽  
Light Emitting Devices ◽  
Organic Light ◽  
Organic Light Emitting Devices ◽  
Tin Oxide Films

Blue and White Organic Light-Emitting Devices Using 2,5-Diphenyl -1, 4-Distyrylbenzene with Two Trans-Double Bonds as a Blue Emitting Layer

2005 ◽  
Vol 475-479 ◽  
pp. 1805-1808
Author(s):  
Gang Cheng ◽  
Zengqi Xie ◽  
Ying Fang Zhang ◽  
Yuguang Ma ◽  
Shi Yong Liu
Keyword(s):  
Tin Oxide ◽  
Indium Tin Oxide ◽  
Maximum Efficiency ◽  
Double Bonds ◽  
Yellow Light ◽  
Light Emitting ◽  
Light Emitting Devices ◽  
Organic Light ◽  
Hole Transporting ◽  
Organic Light Emitting Devices

A novel derivative of oligo(phenylenvinylene) (OPV), 2,5-diphenyl -1, 4-distyrylbenzene with two trans-double bonds (trans-DPDSB), is used as a blue emitting material in blue and white organic light-emitting devices (OLEDs). Blue devices with a configuration of indium-tin oxide (ITO)/N,N´-diphenyl-N,N´-bis(1-naphthyl)-(1,1´-biphenyl)-4,4´-diamine (NPB)/ trans-DPDSB / tris (8-hydroxyquinoline) aluminum (Alq3)/LiF/Al are constructed, where NPB, Alq3 and trans-DPDSB are used as hole-transporting, electron-transporting and light-emitting layers, respectively. The color of emission is changed from blue-green to pure blue when the trans-DPDSB layer is thicker. By inserting an ultrathin 5,6,11,12-tetraphenylnaphthacene (rubrene) yellow light-emitting layer between the Alq3 and trans-DPDSB layers, white OLEDs are obtained. The maximum efficiency and luminance of the blue and white devices are 1.2, 3.0 cd/A, and 1400, 7000 cd/m2, respectively.

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