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Green fluorescent ceramic for laser display and preparation method thereof
The invention discloses green fluorescent ceramic for laser display and a preparation method thereof. The chemical formula of the fluorescent ceramic is AlON: xMn < 2 + > and yZn < 2 + >, x is the molar percentage of Mn < 2 + > doping, y is the molar percentage of Zn < 2 + > doping, 0.001 < = x < = 0.02, and 0.01 < = y < = 0.05; the fluorescent ceramic is prepared through a pressureless sintering method, transition from 4T1 to 6A1 of Mn < 2 + > is achieved under excitation of 440-455 nm, narrow-band green light emission with the peak wavelength being 510-525 nm is obtained, the emission intensity is high, the full width at half maximum is 25-28 nm, the color gamut reaches 102-104%, the color purity reaches 70-74%, and the external quantum efficiency reaches 70-85%. The problem that the full width at half maximum of a green fluorescent material in laser display is not narrow enough is solved, the color gamut of a display device is expanded, and the color rendition degree is improved.
本发明公开了一种激光显示用绿色荧光陶瓷及其制备方法。该荧光陶瓷的化学式为AlON:xMn2+,yZn2+，其中x为Mn2+掺杂的摩尔百分数，y为Zn2+掺杂的摩尔百分数，范围是0.001≤x≤0.02，0.01≤y≤0.05；采用无压烧结法制备得到，荧光陶瓷在440～455nm的激发下，实现Mn2+的4T1→6A1跃迁，其得到峰值波长为510～525nm的窄带绿光发射，发射强度高，半高宽为25～28nm，色域达到102～104％，色纯度达到70～74％，外量子效率达到70％～85％。解决了激光显示中绿色荧光材料半高宽不够窄的问题，扩大了显示器件的色域，提高了色彩还原程度。
Green fluorescent ceramic for laser display and preparation method thereof
The invention discloses green fluorescent ceramic for laser display and a preparation method thereof. The chemical formula of the fluorescent ceramic is AlON: xMn < 2 + > and yZn < 2 + >, x is the molar percentage of Mn < 2 + > doping, y is the molar percentage of Zn < 2 + > doping, 0.001 < = x < = 0.02, and 0.01 < = y < = 0.05; the fluorescent ceramic is prepared through a pressureless sintering method, transition from 4T1 to 6A1 of Mn < 2 + > is achieved under excitation of 440-455 nm, narrow-band green light emission with the peak wavelength being 510-525 nm is obtained, the emission intensity is high, the full width at half maximum is 25-28 nm, the color gamut reaches 102-104%, the color purity reaches 70-74%, and the external quantum efficiency reaches 70-85%. The problem that the full width at half maximum of a green fluorescent material in laser display is not narrow enough is solved, the color gamut of a display device is expanded, and the color rendition degree is improved.
本发明公开了一种激光显示用绿色荧光陶瓷及其制备方法。该荧光陶瓷的化学式为AlON:xMn2+,yZn2+，其中x为Mn2+掺杂的摩尔百分数，y为Zn2+掺杂的摩尔百分数，范围是0.001≤x≤0.02，0.01≤y≤0.05；采用无压烧结法制备得到，荧光陶瓷在440～455nm的激发下，实现Mn2+的4T1→6A1跃迁，其得到峰值波长为510～525nm的窄带绿光发射，发射强度高，半高宽为25～28nm，色域达到102～104％，色纯度达到70～74％，外量子效率达到70％～85％。解决了激光显示中绿色荧光材料半高宽不够窄的问题，扩大了显示器件的色域，提高了色彩还原程度。
Green fluorescent ceramic for laser display and preparation method thereof
一种激光显示用绿色荧光陶瓷及其制备方法
ZHANG LE (author) / YAO SITONG (author) / WANG PENG (author) / LI LIWEI (author) / LIU XUANCHU (author) / LIU ZITONG (author) / KANG JIAN (author) / ZHOU CHUNMING (author) / ZHOU TIANYUAN (author) / CHEN HAO (author)
2024-10-25
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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