公开(公告)号：DE59810203D1

公开(公告)日：2003-12-24

申请号：DE59810203

申请日：1998-06-22

Applicant: PHILIPS INTELLECTUAL PROPERTY

Inventor： BECHTEL DR ,  CZARNOJAN WOLFRAM ,  MAYR WALTER ,  JUESTEL DR ,  NIKOL DR ,  RONDA CORNELIS

IPC: C09K11/08 ,  C09K11/02 ,  C09K11/64 ,  C09K11/77 ,  H01J9/227 ,  H01J11/02 ,  H01J17/04 ,  H01J17/49 ,  H01J29/18 ,  H01J29/20

Abstract: A novel phosphor preparation consists of an UV phosphor with a coating of one or more catenated polyphosphates of alkaline earth metals, zinc, cadmium and/or manganese. Also claimed is a plasma display panel containing the above phosphor preparation, the catenated polyphosphates preferably having a chain length of 3-90. Preferably, the phosphor is an aluminate phosphor, especially Eu :Ba(Al,Mg)11O19, and the coating consists of a catenated alkaline earth metal polyphosphate containing 0.1-20 wt.% catenated zinc, cadmium or manganese polyphosphate.

公开(公告)号：DE59911263D1

公开(公告)日：2005-01-20

申请号：DE59911263

申请日：1999-07-21

Applicant: PHILIPS INTELLECTUAL PROPERTY

Inventor： PICHT FRIEDERIKE ,  CZARNOJAN WOLFRAM ,  FELDMANN CLAUS ,  JUNGK HANS-OTTO ,  MERIKHI JACQUELINE ,  VAN DE BELT ROEL ,  VAN DONGEN ANNE MARIE ,  VAN DER HEIJDEN ALEXANDRA

IPC: G09F9/30 ,  C09K11/02 ,  C09K11/08 ,  C09K11/55 ,  C09K11/84 ,  G09F13/20 ,  H01J29/18 ,  H01J29/20 ,  H01J29/22