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Efficiency Enhanced Top Emitting OLED-on-Silicon Microdisplay with Aluminum Anode
- Issue Date
- 2023
- Publisher
- John Wiley and Sons Inc
- Keywords
- Aluminum; anode; efficiency; microdisplay; OLED; OLEDoS; white OLED
- Citation
- Digest of Technical Papers - SID International Symposium, v.54, no.1, pp 1314 - 1316
- Pages
- 3
- Indexed
- SCOPUS
- Journal Title
- Digest of Technical Papers - SID International Symposium
- Volume
- 54
- Number
- 1
- Start Page
- 1314
- End Page
- 1316
- ISSN
- 0097-966X
2168-0159
- Abstract
- A top emitting organic light emitting diode-on-silicon (OLEDoS) panel with aluminum (Al) anode for high-resolution microdisplays was proposed and fabricated. The low work function of the Al anode increases the energy barrier of the interface between the anode and hole injection layer (HIL), and has poor hole-injection properties, which causes the low efficiency of the device. To enhance the hole-injection characteristics of the Al anode, we applied optimized HIL and hole transportation layer (HTL) materials. The proposed single stack structure white OLED display panel with Al anode was fabricated on CMOS backplane and the white OLED device improved efficiency by up to 20 cd/A at 1000 nit, which is 90% of the level of conventional OLEDs with indium tin oxide (ITO) anode. © 2023, John Wiley and Sons Inc. All rights reserved.
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Related Researcher
- CHOI, BYOUNG DEOG
- Information and Communication Engineering (Electronic and Electrical Engineering)