Plasma display device and control method therefor

Details Plasma display device and control method therefor Plasma display device and control method therefor

G - Physics

09

G

G09G 3/28 (2006.01) H01J 11/00 (2006.01) H01J 11/02 (2006.01) H01J 17/49 (2006.01)

Patent

CA 2470446

The invention concerns a plasma display device comprising in a screen a chamber (17) containing a discharge gas capable of being excited to generate, alone or in combination with luminophor means (18) themselves designed to be excited by a radiation emitted by said gas, a visible light. The device comprises means for generating on one side of said chamber (17) a uniformly distributed electric field (E) designed to ignite a plasma in the gas, as well as a matrix of controllable elements (19) and means controlling said elements (19) so that they modulate individually the electric field (E) or the radiation emitted by the plasma or the generated visible light thereby generating selectively luminous zones on the screen.

L~invention concerne un dispositif d~affichage à plasma du type comportant dans un écran une chambre (17) renfermant un gaz de type à décharge apte à être excité pour générer, seul ou en combinaison avec des moyens luminophores (18) destinés à être eux-mêmes excités par un rayonnement émis par ledit gaz, une lumière visible. Le dispositif comporte des moyens pour générer d~un côté de ladite chambre (17) un champ électrique (E) distribué uniformément apte à allumer un plasma dans ledit gaz, ainsi qu~une matrice d~éléments (19) commandables et des moyens qui commandent lesdits éléments (19) pour qu~ils modulent individuellement le champ électrique (E) ou le rayonnement émis par le plasma ou la lumière visible générée et génèrent ainsi sélectivement des zones lumineuses sur l~écran.

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