백색 발광재료로서의 투명 결정화유리에 관한 최근 연구동향 = Recent research trends on transparent glass-ceramics as a white luminescent materials

국문 초록 (Abstract)

백색 발광 다이오드(W-LED)는 기존의 광원에 비해 소형, 고효율, 긴 수명의 장점으로 디스플레이 및 조명에 널 리 사용되고 있다. 결정화유리는 비정질 유리를 가열하여 결정화를 유도한 소재로 , 다양한 고성능 분야에 적용되며, 핵형성 제 추가나 상분리 현상을 통해 특성을 조절할 수 있다. 나노미터 크기의 결정을 형성하면 가시광선에서 투명성을 유지하면 서도 결정화유리의 특성을 보존할 수 있어 광 스위치, 광 변환기, 레이저, 의료 기기, 센서 등 다양한 응용 분야에 적합하다. 또한, 희토류, 전이 금속, 양자점, 나노결정을 포함한 결정화유리는 청색 또는 자외선을 가시광선으로 변환하여 W-LED의 성능을 개선시킬 수 있다. 본 논문은 산화물계 및 불화물계 유리로부터 얻어진 결정화유리의 광학적 특성 , W-LED로의 활 용 가능성 및 최근 연구 동향을 탐구하였다.

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