Journal ArticleDOI
Organic electroluminescent devices with improved stability
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TLDR
In this article, a stable organic electroluminescent devices based on vapor-deposited Alq thin films have been achieved, which are derived from several factors including: (1) a multilayer thin-film structure with a CuPc stabilized hole-injection contact, (2) a hole-transport diamine layer using a naphthyl substituted benzidine derivative, and (3) an ac drive wave form.Abstract:
Highly stable organic electroluminescent devices based on vapor‐deposited Alq thin films have been achieved. The improvement in stability is derived from several factors including: (1) a multilayer thin‐film structure with a CuPc stabilized hole‐injection contact, (2) a hole‐transport diamine layer using a naphthyl‐substituted benzidine derivative, and (3) an ac drive wave form. These emissive devices have shown an operational half‐lifetime of about 4000 h from an initial luminance of 510 cd/m2.read more
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Role of the polymeric hole injection layer on the efficiency and stability of organic light emitting diodes with small molecular emitters
TL;DR: In this paper, an improvement in the properties of the small molecular organic light emitting diode (OLED) upon application of a polymeric hole injection layer (HIL) was reported.
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Synthesis and reactivity of thiophene palladium and thiophene dipalladium complexes with unsaturated molecules
TL;DR: In the presence of N-donor ligands such as 2,2′-bipyridine (bpy) and 4,4′-di-tert-butyl-2,2-dimethylphenyl (dtbbpy), this paper gave arylpalladium complexes of 2,5-dibromothiophene.
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Photoemission study of interfaces in organic light-emitting diodes
TL;DR: In this article, the authors investigated the interface formation between a metal, namely Al or Ca and tris-(8-hydroxyquinoline) aluminum (Alq 3 ) using X-ray and ultraviolet photoemission spectroscopy (XPS and UPS).
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Metallophthalocyanine films as hole-transport layer in organic light-emitting devices
TL;DR: In this article, the performance of double-MPc-layered devices with a TPD layer was investigated and it was shown that the performance was dependent primarily on the electronic structure of ITO/MPc1 interface rather than that of MPc1/MPC2 or MPc2/TPD interface.
Journal ArticleDOI
Red, green, blue and white organic electroluminescent devices
TL;DR: In this article, the authors presented novel designs for red, green, blue, and white OEL devices for flat-panel display, where Indium tin oxide (ITO) was used as a glass substrate and N, N ′-bis-(1-naphthyl)-N, N, Diphenyl-1, 1, 1-1-biphensyl-4-4′-diamine (NPB) as a hole transport layer (HTL).