Global Patent Index - EP 0114438 A3

EP 0114438 A3 19870506 - A GREEN EMITTING PHOSPHOR AND CATHODE RAY TUBE WITH SUCH A PHOSPHOR

Title (en)

A GREEN EMITTING PHOSPHOR AND CATHODE RAY TUBE WITH SUCH A PHOSPHOR

Publication

EP 0114438 A3 19870506 (DE)

Application

EP 83201796 A 19831215

Priority

DE 3248448 A 19821229

Abstract (en)

[origin: US4559469A] A green emitting phosphor for heavily loaded cathode-ray tubes comprises a mixture of a deep-green and a yellowish-green emitting phosphor. Mixtures of Zn2SiO4:Mn and at least one phosphor from the group comprising Y2SiO5:Tb; X2O2S:Tb; ES:Ce and XOZ:Tb, where X=Y, La, Gd, Lu; E=Ca, Sr, Ba; and Z=Cl, Br, I, F; satisfy, as FIG. 1 illustrates for a few examples, the EBU specification.

IPC 1-7

H01J 29/18; H01J 29/20

IPC 8 full level

C09K 11/08 (2006.01); C09K 11/59 (2006.01); C09K 11/86 (2006.01); H01J 29/18 (2006.01); H01J 29/20 (2006.01)

CPC (source: EP US)

H01J 29/187 (2013.01 - EP US); H01J 29/20 (2013.01 - EP US)

Citation (search report)

  • [X] FR 2341938 A1 19770916 - TEKTRONIX INC [US]
  • [X] DE 2906505 A1 19790823 - DAINIPPON TORYO KK [JP], et al
  • [X] PATENTS ABSTRACTS OF JAPAN, Band 7, Nr. 17 (E-154)[1162], 22 Januar 1983; & JP-A-57 174 832 (TOKYO SHIBAURA DENKI K.K.) 27-10-1982
  • [X] PATENTS ABSTRACTS OF JAPAN, Band 6, Nr. 173 (E-129)[1051], 7 September 1982; & JP-A-57 90 851 (MITSUBISHI DENKI K.K.) 05-06-1982

Designated contracting state (EPC)

DE FR GB NL

DOCDB simple family (publication)

EP 0114438 A2 19840801; EP 0114438 A3 19870506; EP 0114438 B1 19881214; DE 3248448 A1 19840705; DE 3378708 D1 19890119; JP H0425991 B2 19920506; JP S59133283 A 19840731; US 4559469 A 19851217

DOCDB simple family (application)

EP 83201796 A 19831215; DE 3248448 A 19821229; DE 3378708 T 19831215; JP 24438683 A 19831226; US 72514585 A 19850419