公开(公告)号：US3822215A

公开(公告)日：1974-07-02

申请号：US22014372

申请日：1972-01-24

Applicant: BELL TELEPHONE LABOR INC

Inventor： GRODKIEWICZ W ,  SINGH S ,  VLE GRAND VAN UITERT

IPC: C09K11/77 ,  C09K11/86 ,  F21K2/00 ,  G02F2/02 ,  H01L33/50 ,  C09K1/08

CPC classification number: F21K2/005 ,  C09K11/777 ,  C09K11/7773 ,  G02F2/02 ,  H01L33/502

Abstract: A CLASS OF COMPOUNDS IS FOUND PARTICULARLY EFFECTIVE FOR UP-CONVERSION OF INFRARED RADIATION TO LIGHT OF VISIBLE WAVELENGTHS. THESE COMPOUNDS, EXEMPLIFIED BY THE OXYCHLORIDES AND FLUOROCHLORIDES, CONTAIN THE ION PAIR YB3+-ER3+, YB3+--HO3+, YB3+-TM3+ OR MIXTURES THEREOF.