Green to white to blue OLEDs by using PBD as a chromaticity-tuning layer

Yuanmin Wang; Feng Teng; Changqi Ma; Zheng Xu; Yanbing Hou; Shengyi Yang; Yongsheng Wang; Xurong Xu

doi:10.1016/j.displa.2004.09.016

Green to white to blue OLEDs by using PBD as a chromaticity-tuning layer

Yuanmin Wang
, Feng Teng
, Changqi Ma
, Zheng Xu
, Yanbing Hou
, Shengyi Yang
, Yongsheng Wang
, Xurong Xu

Beijing Jiaotong University
CAS - Technical Institute of Physics and Chemistry

Research output: Contribution to journal › Article › peer-review

29 Citations (Scopus)

Abstract

Blue to white to green light-emitting diodes with structure ITO/PVK:DPPhP(5%)/PBD(x nm)/Alq ₃(5 nm)/LiF(0.3 nm)/Al have been obtained. DPPhP (1,3-diphenyl-5-(9-phenanthryl)-4,5-dihydro-1-H-pyrazole), which performs good blue-emitting and hole-transporting properties, is synthesized and used as dopant. When the thickness of PBD layer varies from 0 to 5 to 10 nm, green to white to blue emission is achieved. Based on the energy band theory and carries tunneling theory, we consider that PBD layer plays a chromaticity-tuning role and the color-variable EL is ascribe to its modulation function on carrier recombination zone.

Original language	English
Pages (from-to)	237-239
Number of pages	3
Journal	Displays
Volume	25
Issue number	5
DOIs	https://doi.org/10.1016/j.displa.2004.09.016
Publication status	Published - Dec 2004
Externally published	Yes

Keywords

Green to white to blue
OLEDs
PBD as chromaticity-tuning layer

Access to Document

10.1016/j.displa.2004.09.016

Cite this

@article{e56d3add03534877bda57ad42b685b2e,

title = "Green to white to blue OLEDs by using PBD as a chromaticity-tuning layer",

abstract = "Blue to white to green light-emitting diodes with structure ITO/PVK:DPPhP(5\%)/PBD(x nm)/Alq 3(5 nm)/LiF(0.3 nm)/Al have been obtained. DPPhP (1,3-diphenyl-5-(9-phenanthryl)-4,5-dihydro-1-H-pyrazole), which performs good blue-emitting and hole-transporting properties, is synthesized and used as dopant. When the thickness of PBD layer varies from 0 to 5 to 10 nm, green to white to blue emission is achieved. Based on the energy band theory and carries tunneling theory, we consider that PBD layer plays a chromaticity-tuning role and the color-variable EL is ascribe to its modulation function on carrier recombination zone.",

keywords = "Green to white to blue, OLEDs, PBD as chromaticity-tuning layer",

author = "Yuanmin Wang and Feng Teng and Changqi Ma and Zheng Xu and Yanbing Hou and Shengyi Yang and Yongsheng Wang and Xurong Xu",

year = "2004",

month = dec,

doi = "10.1016/j.displa.2004.09.016",

language = "English",

volume = "25",

pages = "237--239",

journal = "Displays",

issn = "0141-9382",

publisher = "Elsevier B.V.",

number = "5",

}

TY - JOUR

T1 - Green to white to blue OLEDs by using PBD as a chromaticity-tuning layer

AU - Wang, Yuanmin

AU - Teng, Feng

AU - Ma, Changqi

AU - Xu, Zheng

AU - Hou, Yanbing

AU - Yang, Shengyi

AU - Wang, Yongsheng

AU - Xu, Xurong

PY - 2004/12

Y1 - 2004/12

N2 - Blue to white to green light-emitting diodes with structure ITO/PVK:DPPhP(5%)/PBD(x nm)/Alq 3(5 nm)/LiF(0.3 nm)/Al have been obtained. DPPhP (1,3-diphenyl-5-(9-phenanthryl)-4,5-dihydro-1-H-pyrazole), which performs good blue-emitting and hole-transporting properties, is synthesized and used as dopant. When the thickness of PBD layer varies from 0 to 5 to 10 nm, green to white to blue emission is achieved. Based on the energy band theory and carries tunneling theory, we consider that PBD layer plays a chromaticity-tuning role and the color-variable EL is ascribe to its modulation function on carrier recombination zone.

AB - Blue to white to green light-emitting diodes with structure ITO/PVK:DPPhP(5%)/PBD(x nm)/Alq 3(5 nm)/LiF(0.3 nm)/Al have been obtained. DPPhP (1,3-diphenyl-5-(9-phenanthryl)-4,5-dihydro-1-H-pyrazole), which performs good blue-emitting and hole-transporting properties, is synthesized and used as dopant. When the thickness of PBD layer varies from 0 to 5 to 10 nm, green to white to blue emission is achieved. Based on the energy band theory and carries tunneling theory, we consider that PBD layer plays a chromaticity-tuning role and the color-variable EL is ascribe to its modulation function on carrier recombination zone.

KW - Green to white to blue

KW - OLEDs

KW - PBD as chromaticity-tuning layer

UR - https://www.scopus.com/pages/publications/11444270163

U2 - 10.1016/j.displa.2004.09.016

DO - 10.1016/j.displa.2004.09.016

M3 - Article

AN - SCOPUS:11444270163

SN - 0141-9382

VL - 25

SP - 237

EP - 239

JO - Displays

JF - Displays

IS - 5

ER -

Green to white to blue OLEDs by using PBD as a chromaticity-tuning layer

Abstract

Keywords

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