Kim, Young Min Park, Young Wook Choi, Jin Hwan Ju, Byeong Kwon Jung, Jae Hoon Kim, Jai Kyeong 2024-01-21T01:34:43Z 2024-01-21T01:34:43Z 2021-09-04 2007-01-15 0003-6951 https://pubs.kist.re.kr/handle/201004/134738 The authors report the optical and electroluminescent (EL) properties of white organic light-emitting diodes (OLEDs) which have two emitters with similar structures: 1, 1, 4, 4-tetraphenyl-1, 3-butadiene and 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline have an emission peak of 400 nm around the near ultraviolet, and tris-(8-hydroxyquinoline) aluminum doped with 4-(dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran has an emission peak of 580 nm producing a yellow color. The EL spectra of the white OLED have shown a broadening through visual range from 400 to 780 nm. This spectral broadening is related to an exciplex emission at the organic solid interface. (c) 2007 American Institute of Physics. English AMER INST PHYSICS CONJUGATED POLYMERS EXCIPLEX EMISSION MOLECULES DEVICES BLENDS Spectral broadening in electroluminescence of white organic light-emitting diodes based on complementary colors Article 10.1063/1.2431773 1 APPLIED PHYSICS LETTERS, v.90, no.3 APPLIED PHYSICS LETTERS 90 3 scie scopus 000243582400090 2-s2.0-33846413897 Physics, Applied Physics Article CONJUGATED POLYMERS EXCIPLEX EMISSION MOLECULES DEVICES BLENDS electroluminescence white light emitting complementary