Improved positive polaron stability of the p-type host for long lifetime in phosphorescent organic light-emitting diodes

Light Emitting ◽

Type Host ◽

Organic Light ◽

Long Lifetime ◽

Device Lifetime ◽

P Type ◽

Polaron Stability

Long lifetime is one of requirements for commercialization of organic light-emitting diodes (OLEDs). In this paper, we improved the device lifetime of phosphorescent OLEDs by enhancing oxidation stability of the...

Molecular design tactics enhancing negative polaron stability of p-type host for long device lifetime by fusion of carbazole with furan

10.1039/d1tc02186a ◽

2021 ◽

Author(s):

Sung Joon Yoon ◽

Won Jae Chung ◽

Jun Yeob Lee

Keyword(s):

Light Emitting Diodes ◽

Molecular Design ◽

Light Emitting ◽

Type Host ◽

Organic Light ◽

Device Lifetime ◽

P Type ◽

Polaron Stability ◽

Blue Phosphorescent

A molecular design with a negative polaron stabilizing unit was developed to extend the device lifetime of blue phosphorescent organic light-emitting diodes (PhOLEDs). A novel p-type host material, 5,10-diphenyl-5,10-dihydrofuro[3,2-c:4,5-c′]dicarbazole (DBFBCzPh),...

A negative polaron resistant p-type host for extended lifetime in deep blue phosphorescent organic light-emitting diodes

10.1039/c9tc06702g ◽

2020 ◽

Vol 8 (15) ◽

pp. 5131-5136 ◽

Cited By ~ 2

Author(s):

Chang Yoon Yang ◽

Won Jae Chung ◽

Hyein Jeong ◽

Yoonkyoo Lee ◽

Jun Yeob Lee

Keyword(s):

Light Emitting Diodes ◽

Light Emitting ◽

Type Host ◽

Deep Blue ◽

Organic Light ◽

Device Lifetime ◽

P Type ◽

Blue Phosphorescent

A negative polaron resistant p-type host improved the device lifetime of blue phosphorescent organic light-emitting diodes.

Novel Positive Polaron Stabilizing n-Type Host for High Efficiency and Long Lifetime in Blue Phosphorescent Organic Light-Emitting Diodes

ACS Applied Materials & Interfaces ◽

10.1021/acsami.0c02260 ◽

2020 ◽

Vol 12 (17) ◽

pp. 19737-19745 ◽

Cited By ~ 4

Author(s):

Do Sik Kim ◽

Kyung Hyung Lee ◽

Jun Yeob Lee

Keyword(s):

High Efficiency ◽

Light Emitting Diodes ◽

Light Emitting ◽

Type Host ◽

Organic Light ◽

Long Lifetime ◽

Blue Phosphorescent

Triazine-dibenzofuran-Based n-Type Host Materials for High-Efficiency and Long-Lifetime Green Phosphorescent Organic Light-Emitting Diodes

10.1039/d1tc01369f ◽

2021 ◽

Author(s):

Dong Jun Kim ◽

Sunhee Lee ◽

Yong Hui Lee ◽

Hyungkeun Jang ◽

Kwang-Hyun Ahn ◽

...

Keyword(s):

High Efficiency ◽

Light Emitting Diodes ◽

Light Emitting ◽

Type Host ◽

Organic Light ◽

Host Materials ◽

Long Lifetime

Effective host materials are required to improve the performance of phosphorescent organic light-emitting diodes (PhOLEDs). Herein, a series of triazine-dibenzofuran-based n-type host materials, DBT1–DBT4, was prepared by varying the substitution...

Indoloindole as a new building block of a hole transport type host for stable operation in phosphorescent organic light-emitting diodes

10.1039/c9tc00701f ◽

2019 ◽

Vol 7 (20) ◽

pp. 5988-5994 ◽

Cited By ~ 4

Author(s):

Ha Lim Lee ◽

Kyung Hyung Lee ◽

Jun Yeob Lee

Keyword(s):

Light Emitting Diodes ◽

Hole Transport ◽

Stable Operation ◽

Light Emitting ◽

Type Host ◽

Organic Light ◽

Transport Unit ◽

P Type ◽

Transport Type

An organic material for application as a p-type host of phosphorescent organic light-emitting diodes was newly developed using an indoloindole moiety as a hole transport unit.

Improved operational lifetime of deep-red phosphorescent organic light-emitting diodes using a benzothienobenzothiophene (BTBT)-based p-type host material

10.1039/d0tc05234e ◽

2021 ◽

Author(s):

Daiki Saito ◽

Hisahiro Sasabe ◽

Takayoshi Kikuchi ◽

Takashi Ito ◽

Hisaki Tsuneyama ◽

...

Keyword(s):

Light Emitting Diodes ◽

Host Material ◽

Light Emitting ◽

Type Host ◽

Highly Efficient ◽

Organic Light ◽

Operational Lifetime ◽

P Type

Highly efficient and stable deep red OLED is successfully developed by using a BTBT-based p-type host material. This OLED exhibits higher efficiency, and over ×5 longer lifetime than that based on the conventional p-type host material, NPD.