电子与封装
電子與封裝
전자여봉장
EIECTRONICS AND PACKAGING
2015年
4期
32-35,40
,共5页
YAG荧光粉%白光LED%各种方法%进展
YAG熒光粉%白光LED%各種方法%進展
YAG형광분%백광LED%각충방법%진전
YAG phosphor%white LED%various methods%latest development
YAG荧光粉作为荧光粉领域的主要类型之一,其工业制备技术成熟,性能优良,应用广泛。稀土荧光粉主要用于现代照明光源、交通信号灯、汽车状态指示、液晶显示(LCD)的背光源和大屏幕显示等方面。要想获得优异性能的荧光粉,对制备工艺的研究是关键。综述了多元素共掺YAG荧光粉的制备研究进展,包括高温固相法、溶胶-凝胶法、共沉淀法、燃烧法、水热法等,并对其优缺点进行了比较,最后对荧光粉合成方法的发展前景及今后的研究趋势进行了展望。
YAG熒光粉作為熒光粉領域的主要類型之一,其工業製備技術成熟,性能優良,應用廣汎。稀土熒光粉主要用于現代照明光源、交通信號燈、汽車狀態指示、液晶顯示(LCD)的揹光源和大屏幕顯示等方麵。要想穫得優異性能的熒光粉,對製備工藝的研究是關鍵。綜述瞭多元素共摻YAG熒光粉的製備研究進展,包括高溫固相法、溶膠-凝膠法、共沉澱法、燃燒法、水熱法等,併對其優缺點進行瞭比較,最後對熒光粉閤成方法的髮展前景及今後的研究趨勢進行瞭展望。
YAG형광분작위형광분영역적주요류형지일,기공업제비기술성숙,성능우량,응용엄범。희토형광분주요용우현대조명광원、교통신호등、기차상태지시、액정현시(LCD)적배광원화대병막현시등방면。요상획득우이성능적형광분,대제비공예적연구시관건。종술료다원소공참YAG형광분적제비연구진전,포괄고온고상법、용효-응효법、공침정법、연소법、수열법등,병대기우결점진행료비교,최후대형광분합성방법적발전전경급금후적연구추세진행료전망。
As the main type of the fluorescent powders. YAG phosphor with excellent-performance and broad application has mature preparation technology in its industry. It is mainly used in modem light, traffic light, cars’status indicator, liquid crystal display(LCD) backtight, large-screen display and so on. To get excellent performance of the fluorescent powder, the research of preparation technology is the key process. The latest development of preparation of many elements codoping YAG phosphors is summarized. Its synthesis ways include high temperature solid state reaction method, sol-gel method, co-precipitation method, combustion method, hydrothermal method and so on. Their advantages and disadvantages are compared. Finally, the prospect and the development trend for the synthesis of rare earth fluorescent powder were proposed.