Zobrazeno 1 - 10
of 58
pro vyhledávání: '"D C, Choo"'
Autor:
C Chu, H. S. Bang, D H Hwang, Tae-Wook Kim, Hwan Seok Jeong, D. C. Choo, M S Kwon, Soohyun Kim
Publikováno v:
Journal of Nanoscience and Nanotechnology. 12:1654-1657
The optical properties of white organic light-emitting devices (WOLEDs) fabricated utilizing a CaAl12O19:Mn and Zn2SiO4:Mn phosphor layer were investigated. X-ray diffraction patterns for CaAl12O19:Mn and Zn2SiO4:Mn phosphors showed that Mn ions in t
Publikováno v:
Molecular Crystals and Liquid Crystals. 551:40-46
The electrical and optical properties of organic light-emitting devices (OLEDs) with three periods of 4,7-diphenyl-1,10-phenanthroline (BPhen)/aluminum tris(8-hydroxyquinolate) (Alq3) multiple heterostructures acting as an electron transport layer (E
Publikováno v:
Molecular Crystals and Liquid Crystals. 551:33-39
The electrical and optical properties of blue organic light-emitting devices (OLEDs) containing a mixed host emitting layer (EML) consisting of a 1,3-bis(carbazole-9-yl)benzene (mCP) layer and a 3-tert-butyl-9,10-di(naphtha-2-yl)anthracene (TBADN) la
Publikováno v:
Molecular Crystals and Liquid Crystals. 551:47-53
The current density and the luminance efficiency of the organic light-emitting devices (OLEDs) with a cesium nitrate (CsNO3)/lithium quinolate (Liq) electron injection layer (EIL) were larger than those of the OLEDs with a Liq EIL. Residual Cs ions o
Publikováno v:
Thin Solid Films. 518:6149-6152
Electron injection mechanisms of the luminance efficiency of green organic light-emitting devices (OLEDs) fabricated utilizing a cesium carbonate (Cs 2 CO 3 )/fullerene (C 60 ) heterostructure acting as an electron injection layer (EIL) were investig
Autor:
Jong-Bong Ha, Young Kwan Kim, C. Chu, Su Jeong Lee, Su Yul Seo, J. H. Seo, Tae Whan Kim, H. S. Bang, D. C. Choo
Publikováno v:
Thin Solid Films. 517:5314-5317
Electrical and optical properties of blue organic light-emitting devices (OLEDs) with doped or undoped emitting layers (EMLs) consisting of a heterostructure layer or a single layer were investigated. The driving voltage of the OLEDs with an undoped
Publikováno v:
Molecular Crystals and Liquid Crystals. 498:258-264
While the current densities of hole only devices with a 2,3,5,6-tetrafluoro-7,7,8, 8-tetracyano-quinodimethane (F4-TCNQ) doped N,N′-bis-(1-naphthyl)-N,N′-diphenyl-1,1′-biphenyl-4,4′-diamine (NPB) hole transport layer (HTL) slightly changed wi
Autor:
J. H. Seo, Tae Whan Kim, Young Kwan Kim, S. H. Lee, Han-Moe Cha, Jin-Hwan Park, M. Jung, Jae-Hyeon Leem, J. T. Woo, D. C. Choo
Publikováno v:
Molecular Crystals and Liquid Crystals. 498:242-248
While the hole transport decreased in the mixed layer in the organic light-emitting devices (OLEDs) with an Al:lithium quinolate (Liq) mixed layers in the electron transport layer (ETL), the electron injection increased the Al:Liq mixed layer. The en
Autor:
S. M. HAN, S. Y. KIM, D. C. CHOO, J. I. JUNG, T. W. KIM, K. H. YOO, Y. H. JO, M. H. JUNG, H. I. CHO, J. H. LEE, L. R. RAM-MOHAN
Publikováno v:
Surface Review and Letters. 14(04):807-811
Carrier density of a two-dimensional electron gas (2DEG) in Al0.3Ga0.7N/GaN and Al0.3Ga0.7N/AlN/GaN heterostructures was investigated by performing Shubnikov-de Haas (SdH) measurements. The angular-dependent SdH measurements and the fast Fourier tran
Publikováno v:
Journal of nanoscience and nanotechnology. 15(7)
The luminance mechanisms of the white organic light-emitting devices (WOLEDs) with a charge generation layer (CGL) consisting of a tungsten oxide layer and a 5,6,11,12-tetraphenyltetracene (rubrene) doped N,N',-bis-(1-naphthyl)-N,N'-diphenyl1-1'-biph