公开(公告)号：KR100285274B1

公开(公告)日：2001-03-15

申请号：KR1019990000982

申请日：1999-01-15

Applicant: 한국화학연구원

Inventor： 박희동 ,  류호진 ,  이승권

IPC: C09K11/64 ,  C09K11/08

Abstract: 본발명은가돌리늄알루미네이트계녹색형광체와이의제조방법에관한것으로서, 더욱상세하게는형광체모체인가돌리늄알루미네이트(GdAlO)에부활제로테르븀(Tb)을도핑함으로써저속전자선에서발광휘도와색순도가우수하고고진공에서도안정한물성을가지며저전압전자선여기에의해구동하는전계방출디스플레이(Field Emission Display, FED)에적합하도록고휘도를갖는다음화학식 1로표시되는가돌리늄알루미네이트계녹색형광체와이의제조방법에관한것이다.

公开(公告)号：KR1020000050854A

公开(公告)日：2000-08-05

申请号：KR1019990000982

申请日：1999-01-15

Applicant: 한국화학연구원

Inventor： 박희동 ,  류호진 ,  이승권

IPC: C09K11/64 ,  C09K11/08

CPC classification number: C09K11/7749 ,  C04B35/10 ,  C04B35/62655 ,  C04B35/64 ,  C04B2235/3217 ,  Y02B20/181

Abstract: PURPOSE: A gadolinium aluminate-based green fluorescein is provided which has excellent luminous brightness and color purity at low speed electron beam, has stable physical properties even at high vacuum and has high brightness to be suitable for field emission display (FED) actuated by excitation of low voltage electron beam, and the preparation method thereof is also provided. CONSTITUTION: A gadolinium aluminate-based green fluorescein having the following formula 1 is prepared from a method composed of adding terbium oxide(Tb4O7) in a molar ratio of 0.005 - 0.10 with respect to gadolinium aluminate(Gd4Al2O9), mixing them together, drying and forming them, then calcining them at 1000 - 1600°C under atmospheric pressure and grinding them to produce the fluorescein of the formula 1, where 0.005≤a≤0.10.

Abstract translation: 目的：提供一种基于铝酸钆的绿色荧光素，其在低速电子束下具有优异的发光亮度和色纯度，即使在高真空下也具有稳定的物理性能，并具有高亮度，适合于通过激发激发的场发射显示（FED） 的低压电子束，并提供其制备方法。 构成：具有以下通式1的钆铝酸盐绿色荧光素由相对于钆铝酸盐（Gd 4 Al 2 O 9）添加摩尔比为0.005〜0.10的氧化铽（Tb 4 O 7），将它们混合在一起，干燥和 然后在大气压下在1000-1600℃下煅烧，并研磨它们以产生式1的荧光素，其中0.005≤a≤0.10。