Recommanded Product: 435294-03-4. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: Bis[2-(1-isoquinolinyl-N)phenyl-C](2,4-pentanedionato-O2,O4)iridium(III), is researched, Molecular C35H27N2O2Ir, CAS is 435294-03-4, about Full-phosphorescence white organic light-emitting diode with high CRI: the exploitation of positive and reverse emitter sequences. Author is Yao, Fangnan; Dai, Xudong; Li, Jun; Cao, Jin.
The high color rendering index (CRI) and doping-free four-emitting-layer (EML) white organic light-emitting diode (WOLED) with bipolar spacer layer was researched by different emitter sequence arrangements (pos. emitter sequence: B-G-O-R, reverse emitter sequence: R-O-G-B). The resulting four-emitting-layer WOLEDs with different sequences show opposite CRI trends when voltage increases, which includes the decreased trend in B-G-O-R sequence and increased trend in R-O-G-B sequence. That leads to WOLEDs with different sequences exhibit the highest CRI at obviously distinguishing luminance, which are CRI of 86 @ 531 cd m-2 in B-G-O-R sequence and CRI of 87 @ 13,340 cd m-2 in R-O-G-B sequence, resp. Meanwhile, the B-G-O-R and R-O-G-B sequences devices also exhibit a difference in the power efficiency. The different manifestations of CRI and efficiency characteristics are meticulously analyzed by a combined operation of energy transfer mechanism, carrier trap effect and the movement of carrier recombination zone in EML, resulting in a meaningful concept to design high CRI WOLEDs in different application scene.
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Reference:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica