Details on the operation

The neon and gases xeno in a television set to the plasma are contained in hundred of migliaia of small cells posizionate between two panels of glass. Also of the long electrodes they come inserted between the glass panels, and behind the cells. The indirizzamento electrodes are behind the cells, along the panel of posterior glass. The transparent electrodes of the screen, that they are encircles from dielectric insulator to you and covered material of a protecting layer in magnesium oxide, are mount to you in front of the cells, along the front glass. The loaded circuitry of control the electrodes that are intercrossed to a cell, creating a potential difference them between and behind provoking to the ionization of gases and the plasma formation ; when the Ionian ones of the gas head towards the electrodes and collidono they come emitted of photons.

In a monochromatic screen, the ionizzante state can be maintained applying to a voltage of low level between all the horizontal and vertical electrodes, also when the ionization voltage comes removed. In order to cancel a cell, all the tension comes removed from the electrodes. This type of panel has an intrinsic memory and it does not use phosphorus. One small nitrogen amount comes added to neon in order to increasethe hysteresis.

In the panels to colors, the back of every cell is covered with a phosphorus. The emitted ultraviolet photons from the plasma excite these phosphorus for giving colorful light. Every cell is therefore comparable to one fluorescent lamp.

Every pixel it is made of three sottocelle separate, ognuna with phosphorus of various colors. A sottocella it has phosphorus for the red light, one for the green light and the other for the blue light. These colors join together in order to create the color total of the pixel, analogous to the Triad computers (to three colors; for technical details you see pixel, technical aspects) or to screen CRT. Varying the current impulses that slide through the various cells migliaia of times to the second, the control system can increase or diminish the intensity of every every color of sottocella in order creating billions of various combinations of green, red and blue. In this way the control system can produce the greater part of the visible colors. The display to the plasma they use same phosphorus of the CRT, that door to one reproduction of the colors extremely taken care of.