Abstract:
A matrix for a gas discharge display panel, consisting of a plate, made of glass for example, comprising on each of its large faces, an array of parallel grooves; said two groove array are at right-angles to one another and are sufficiently deep for the matrix to be perforated from one side to the other, at the zones of intersection of said groove arrays.Such a matrix, arranged between two slabs, suitably separates the display cells from the electrical point of view, whilst still allowing them to communicate with one another this being an advantage where manufacture and "conditioning" of the panel are concerned.
Abstract:
An improved glass panel gas discharge display structure wherein a photolithography step on a plate forming the glass panel is used before metallizing the plate through a mask so that when subsequent dissolution of the mask takes place, the plate is left with embedded metallization essentially coplanar with the surface. The effects of such an embedded electrode structure are that it minimizes attack of the metallization when flow on dielectrics are applied since the sidewalls of the electrodes are protected; it permits application of very thin dielectrics by flow-on, sputtering, plasma spraying, evaporation or other suitable techniques since problems of overcoating around edges are eliminated. It minimizes stresses in the composite structure overlying the substrate support and it minimizes adjacent line interactions when very thin coatings are applied. It also minimizes surface irregularities on panel plates.
Abstract:
A driving system for a gas discharge panel having a shift layer and a display layer, in which a priming fire is shifted with the shift layer and a write voltage is impressed on the display layer at a position corresponding to the priming fire shifted to achieve writing. For erasing the written display, the priming fire is shifted to a position where the display is to be erased and a sustain voltage impressed on the display layer is cut off to neutralize wall charges, and then the sustain voltage is impressed again to the display layer, thereby to erase the display at the position of the priming fire.
Abstract:
A method is disclosed for the fabrication of a gas panel which includes disposing parallel lines as electrical conductors on a pair of glass plates, disposing a dielectric coating of lead glass over the parallel lines, placing a sealing material between the glass plates around the periphery thereof, spacing the glass plates a given distance apart with the parallel lines on one plate extending orthogonally to the parallel lines on the other glass plate, firing the assembly in an oven to seal the glass plates together with a chamber therebetween, evacuating the chamber, filling it with an illuminable gas, and removing the dielectric coating of lead glass on each glass plate by immersing one end of each glass plate in an etchant of perchloric acid until the dielectric coating of lead glass is removed thereby to expose the end regions of the parallel lines as electrical contacts.
Abstract:
A self-shift plasma display panel based on the surface discharge is disclosed. This plasma display panel has two electrode groups of shift electrodes and channel electrodes which are positioned so that the two types of electrodes cross at right angles on the same substrate facing a discharge space filled with gas capable of ionization. The shift electrodes are alternately connected to first and second buss at intervals of one electrode, and the channel electrodes are alternately connected to third and fourth buss at intervals of one electrode. The above-mentioned four buss are connected to a four phase alternating voltage source. A discharge spot produced between a shift electrode and a channel electrode is shifted along the channel electrode by means of the four phase alternating voltage applied to the four buss in order.
Abstract:
THERE IS DISCLOSED THE GENERATING AND RECORDING OF IMAGE INFORMATION FROM A MULTIPLE GASEOUS DISCHARGE DISPLAY/MEMORY PANEL HAVING AN ELECTRICAL MEMORY AND CAPABLE OF SIMULTANEOUSLY PRODUCING INFORMATION IN THE FORM OF A VISUAL OR LATENT IMAGE, THE PANEL BEING FURTHER CHARACTERIZED BY AN IONIZABLE GASEOUS MEDIUM IN A GAS CHAMBER FORMED BY A PAIR OF OPPOSED DIELECTRIC MATERIAL CHARGE STORAGE MEMBERS WHICH ARE RESPECTIVELY BACKED BY A SERIES OF PARALLEL-LIKE CONDUCTOR (ELECTRODE) MEMBERS, THE CONDUCTOR MEMBERS BEHIND EACH DIELECTRIC MATERIAL MEMBER BEING TRANSVERSELY ORIENTED WITH RESPECT TO THE CONDUCTOR MEMBERS BEHIND THE OPPOSING DIELECTRIC MATERIAL MEMBER SO AS TO DEFINE A PLURALITY OF DISCRETE DISCHARGE VOLUMES, EACH OF WHICH CONSTITUTES A DISCHARGE UNIT, THE VISUAL OR LATENT IMAGE BEING COMPRISED OF ONE OR MORE DISCHARGE UNITS, AND IMAGE RADIATION FROM THE DISCHARGE UNITS BEING PROJECTED ONTO A PHOTOSENSITIVE SURFACE ADAPTED TO RECEIVE AND RECORD THE IMAGE. THE PROJECTED IMAGE RADIATION MAY BE VISIBLE OR LATENT (INVISIBLE) RELATIVE TO THE HUMAN EYE.
Abstract:
Gas discharge display panels presenting improved electrical characteristics due to the presence, upon the surfaces in contact with the gas being ionised, of a metal oxide whose electronic configuration incorporates an unsaturated f electron-shell for example thorium oxide or gadolinium oxide.
Abstract:
Plasma discharge display apparatus is disclosed, comprising an airtight envelope for receiving discharge electrode pairs formed on a common base plate and a dielectric layer formed overlaying the discharge electrode pairs. The discharge characteristics between the discharge electrodes of the respective pairs are made uniform irrespective of the curvature of the base plate and the shape of the airtight envelope.
Abstract:
A new method of constructing a gas panel is described which involves passivation of the outer surface of laminated electrical conductors disposed in parallel on glass plates which form a gas panel, spraying a slurry composed of a finely ground glass frit in a suspension vehicle to cover completely the laminated parallel lines on each glass plate, and firing the assembly in an oven to reflow the glass frit thereby to form a protective glass coating over the laminated parallel lines of each glass plate. The glass plates are formed into a panel by separating them a given distance, placing a sealing material between the glass plates around the periphery thereof, and firing the assembly in an oven to seal the glass plates together with a chamber therebetween which is evacuated and filled with an illuminable gas.
Abstract:
A Two Directional Plasma Charge Transfer Device utilizing an ionizable gas in an enclosure having a primary channel and a plurality of secondary channels extending laterally therefrom, an input electrode which can be directly or capacitively coupled to the gas, a plurality of transfer electrodes coated with a dielectrical material on opposite internal walls of the enclosure offset from one another throughout the length of the channels and arranged so that upon application of input signals, the gaseous discharge transfers successively between subsequently offset transfer electrode pairs by the transfer of the electric charge on the wall coating of the electrode which results from the gaseous discharge, first along the primary channel and subsequently laterally from the direction of its original travel so that the device may be used preferably as a graph display or as a two directional shift register.