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Improvement of Colour Gamut in Bottom-Emission Organic Light-Emitting Diodes Using Micro-Cavity Structure Embedded Cathodes
- Authors
- Lee, Hyunkoo; Lee, Jonghee; Lee, Jeong-Ik; Cho, Nam Sung
- Issue Date
- Sep-2018
- Publisher
- MDPI
- Keywords
- OLEDcolour gamutmicro-cavitybottom-emission
- Citation
- ELECTRONICS, v.7, no.9, pp 1 - 9
- Pages
- 9
- Journal Title
- ELECTRONICS
- Volume
- 7
- Number
- 9
- Start Page
- 1
- End Page
- 9
- ISSN
- 2079-9292
- Abstract
- We demonstrate an approach for improving the colour gamut of bottom-emission organic light-emitting diodes (OLEDs) through micro-cavity structure embedded cathodes. The devices with micro-cavity structure embedded cathodes showed an improved colour gamut of 91.5% (National Television System Committee (NTSC)), 95.8% (Adobe RGB), and 129.2% (sRGB), compared to those of the devices without micro-cavity structure embedded cathodes59.2% (NTSC), 62.0% (Adobe RGB), 83.6% (sRGB). In addition, the performance of red, green, and blue devices are also investigated depending on the optical length of the micro-cavity structure.
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Collections - ICT융합공학부 > 전자공학전공 > 1. Journal Articles
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Related Researcher
- Lee, Hyunkoo
- 첨단소재·전자융합공학부 (지능형전자시스템전공)