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학술지 Improvement of Colour Gamut in Bottom-Emission Organic Light-Emitting Diodes Using Micro-Cavity Structure Embedded Cathodes
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저자
이현구, 이종희, 이정익, 조남성
발행일
201809
출처
Electronics, v.7 no.9, pp.1-9
ISSN
2079-9292
출판사
MDPI AG
DOI
https://dx.doi.org/10.3390/electronics7090155
협약과제
18HB1600, 고해상도 광대역 실감 입체 영상용 소재 및 소자 기술, 김태엽
초록
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 cathodes??59.2% (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.
키워드
Bottom-emission, Colour gamut, Micro-cavity, OLED
KSP 제안 키워드
Cavity structure, Optical length, Organic light-emitting diodes(OLEDS), Television system, blue devices, colour gamut, light-emitting diode(LED), micro-cavity, national television
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