High efficiency amoled using hybrid of small molecule and polymer materials patterned by laser transfer

Byung Doo Chin, Min Chul Suh, Mu Hyun Kim, Tae Min Kang, Nam Choul Yang, Myung Won Song, Seong Taek Lee, Jang Hyuk Kwon, Ho Kyoon Chung, Martin B. Wolk, Erika Bellmann, John P. Baetzold

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

Laser-Induced Thermal Imaging (LITI) is a laser addressed patterning process and has unique advantages such as high-resolution patterning with over all position accuracy of the imaged stripes of within 2.5 micrometer and scalability to large-size mother glass. This accuracy is accomplished by real-time error correction and a high-resolution stage control system that includes laser interferometers. Here the new concept of hybrid system that complement the merits of small molecule and polymer to be used as an OLED; our system can realize easy processing of light emitting polymers and high luminance efficiency of small molecules. LITI process enables the stripes to be patlerned with excellent thickness uniformity and multi-stacking of various functional layers without having to use any type of fine metal shadow mask. In this study, we report a full-color hybrid OLED using the multi-layered structure consisting of small molecules and polymers.

Original languageEnglish
Pages (from-to)1-5
Number of pages5
JournalJournal of Information Display
Volume4
Issue number3
DOIs
Publication statusPublished - 2003

Keywords

  • AMOLED
  • High efficiency
  • Hybrid
  • Laser-induced thermal imaging
  • Patterning

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