Hermetically encased electroluminescent display device

Claim 1

IN COMBINATION WITH AN ELECTROLUMINESCENT DISPLAY DEVICE HAVING A VIEWING PANEL IN THE FORM OF A LIGHT-TRANSMISSIVE SUBSTRATE WITH A SUBSTANTIALLY TRANSPARENT ELECTRODE DISPOSED THEREON AND SEPARATED FROM AN ARRAY OF INDIVIDUALLY ENERGIZABLE ELECTRODE SEGMENTS BY AN ELECTRIC FIELD RESPONSIVE PHOSPHOR-DIELECTRIC LAYER THEREBETWEEN, A HERMETIC ENCASEMENT OF SAID DEVICE COMPRISING: AN INSULATIVE CERAMIC CONNECTOR PLATE FORMED FOR COMPATIBLE ENGAGEMENT WITH THE SEGMENT PORTION OF SAID DEVICE, SAID PLATE HAVING A SEALABLE PORT THEREIN AND A PLURALITY OF CONDUCTIVE PINS SPACEDLY SEALED THEREIN AND EXTENDED THERETHROUGH; INTERNAL CONNECTIVE MEANS PROVIDING ELECTRICAL CONNECTION FOR SAID INDIVIDUAL ELECTRODE SEGMENTS AND SAID COMMON ELECTRODE WITH THE INNER ENDS OF SAID RESPECTIVE PINS; FRAMING MEANS FORMED TO PERIMETRICALLY ENCOMPASS SAID DISPLAY DEVICE AND SAID CONNECTOR PLATE TO EFFECT A HERMETIC BOND THEREBETWEEN; AND A CONFINED INTERNAL ATMOSPHERE EFFECTED THROUGH SAID SEALABLE PORT AND BEING OF A DESIRED GASEOUS CONTENT CONDUCTIVE TO EFFICIENT AND RELIABLE OPERATION OF SAID DEVICE.