Main steps in OLED device fabrication
The organic film and metal film of the O LED device and the water and air will immediately oxidize and deteriorate, and measures must be taken to avoid this problem. The inorganic film protection method may be used. The inorganic film protection material includes silicon nitride, magnesium fluoride, indium oxide, etc., and the inorganic protective film material is prepared by a resistance heating method or a magnetron sputtering method. After the protective film is formed, the fabricated device is packaged, and the encapsulation process must be carried out in an anhydrous, oxygen-free inert gas, and the encapsulating material includes a binder and a covering material. The adhesive uses an ultraviolet curing or heat curing epoxy curing agent, the covering material is covered with a glass, and a desiccant is added to the cover to adsorb residual water. The earliest technology to carry out this technology was TDK Corporation of Japan, where the light emitted by the white light device was colored by a color filter. The color filter has higher cost and low luminous efficiency. Although this mode can obtain high color purity, the aging characteristics of the red, green and blue trichromatic optical devices are different, and the color purity changes with time. Packaged OLED devices must be characterized for characterization, primarily luminance-voltage curves and current density-voltage curves. The steeper the curve rises, the faster the luminous brightness increases with voltage and current density with voltage, and the higher the luminous efficiency.
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Described including the upper shell, the upper shell at the top of the smoke outlet, as described in the bottom of the upper shell with airway, described with the smoke outlet in the airway and also to match the upper shell, the lower part of the shell described the airway in the direction of the lower shell extension, as described in the lower shell near one end of the upper shell is equipped with oil mouth, described the lower shell with batteries, described at the bottom of the bottom shell has come in The air port is provided with an oil storage bin in the lower shell, and the air passage passes through the oil storage bin and is provided with a heating atomization bin at one end away from the smoke outlet. The utility model has beneficial effects: it can meet the smoking habit of different users, avoid the premature end of the use experience caused by excessive consumption of smoke oil, and indirectly prolong the service time and life of the product.
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