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학술대회 A Highly Mass-producible Nano-lens Array Technology for Optically Efficient Full-color Organic Light Emitting Diode Display Applications
Cited 3 time in scopus Download 1 time Share share facebook twitter linkedin kakaostory
저자
박영삼, 한경훈, 조두희, 조남성, 한윤제, 이종희, 이현구, 유병곤, 이정익, 김장주
발행일
201905
출처
Society for Information Display (SID) International Symposium 2019, pp.149-152
DOI
https://dx.doi.org/10.1002/sdtp.12877
협약과제
19HB1500, 디스플레이 일체형 투명 틀렉서블 복합 생체인식 디바이스 핵심기술 개발, 안성덕
초록
Recently, we have reported that a nano-lens array (NLA) technology using a very simple andfab-compatible vacuum deposition process contributes to highly efficient and color stable green and blue organic light emitting diodes (OLEDs). Here, the technique is applied to red OLEDs. With NLA, the increase ratio of current efficiency is about 1.57 which is similar to those of green and blue OLEDs (1.56, 1.59). Furthermore, color coordinate change measurement values of red OLEDs in a wide viewing angle ranging from 0째 to 60째 are reduced as green and blue OLEDs do, indicating that NLA has a great potential for the development of the optically efficient full-color OLED displays composed of three color OLED pixels.
키워드
Color stability, Light extraction, Nano-lens array (NLA), Organic light emitting diode (OLED)
KSP 제안 키워드
Array technology, Blue OLEDs, Blue organic light emitting diodes, Color stability, Display applications, Lens array, OLED display, OLED pixels, Organic light-emitting diodes(OLEDS), Ratio of current, color coordinates