Electroluminescent color image device

Claim 1

AN ELECTROLUMINESCENT DEVICE COMPRISING AN ELECTRODE, A LAYER OF ELECTROLUMINESCENT PHOSPHOR THEREON, SAID LAYER BEING ARRANGED IN A SERIES OF GROUPS OF THREE DOTS, EACH DOT IN A GROUP HAVING AN EMISSION COLOR DIFFERENT FROM THAT OF THE OTHER TWO DOTS, A PHOTOCONDUCTIVE LAYER OVER SAID ELECTROLUMINESCENT LAYER AND ARRANGED IN A SERIES OF DOTS IN REGISTER WITH THOSE OF THE ELECTROLUMINESCENT LAYER, ANOTHER ELECTRODE THEREOVER, AT LEAST ONE OF SAID ELECTRODES BEING LIGHT-TRANSMITTING, A SOURCE OF VOLTAGE CONNECTED ACROSS SAID ELECTRODES, A CATHODE RAY TUBE HAVING A UNIFORM PHOSPHOR SCREEN, MEANS FOR FORMING AN IMAGE ON SAID SCREEN, SAID IMAGE BEING COMPOSED OF LUMINOUS DOTS IN THREE SERIES, EACH OF SAID THREE SERIES HAVING AT EACH OF ITS DOTS AN INTENSITY CORRESPONDING TO THE INTENSITY OF A PARTICULAR COLOR AT THE POSITION OF THAT DOT, AND MEANS FOR IRRADIATING THE PHOTOCONDUCTOR SCREEN WITH THE LUMINESCENT DOTS, THE DOTS OF EACH OF SAID THREE SERIES BEING IN REGISTER WITH THE DOTS EMITTING SAID COLOR IN THE ELECTROLUMIN ESCENT LAYER, WHEREBY AN IMAGE IN SEVERAL COLORS IS EMITTED BY THE ELECTROLUMINESCENT LAYER IN RESPONSE TO AN IMAGE IN A FIXED COLOR ON THE SCREEN OF THE CATHODE RAY TUBE.