公开(公告)号：US3778660A

公开(公告)日：1973-12-11

申请号：US3778660D

申请日：1971-06-11

Applicant: MATSUSHITA ELECTRONICS CORP

Inventor： KAMIYA S ,  SHIBATA H

IPC: C09K11/08 ,  C09K11/74 ,  H01J61/44 ,  C09K1/28 ,  C09K1/36 ,  C09K1/38

CPC classification number: C09K11/74 ,  C09K11/0855 ,  H01J61/44

Abstract: A low pressure mercury vapor fluorescent discharge lamp, having a color rendering value as high as 97 is obtainable by applying on the inner wall of the lamp a layer of a phosphor mixture comprising a basic magnesium arsenate phosphor containing 0.02 0.2 gram-atom of manganese per 6 mols of magnesium oxide, magnesium tungstate, tin-activated strontium magnesium orthophosphate and antimony-and-manganese-activated calcium halophosphate.

Abstract translation: 具有高达97的显色值的低压汞蒸汽荧光放电灯可以通过在灯的内壁上施加包含含有0.02-0.2克原子锰的碱性砷酸镁荧光体的荧光体混合物的层来获得 每6摩尔氧化镁，钨酸镁，锡激活的正磷酸锶镁和锑和锰活化的卤代磷酸钙。