When a positive voltage is applied to the anode, electrons accelerated and diffused by the grid collide with the anode, exciting the phosphor and causing it to emit light. The anode consists of a conductor such as graphite, which is coated with phosphor formed into the desired graphic pattern. When a negative voltage is applied to the grid, electron flow to the anode is cut off. When a positive voltage is applied to the grid, electrons emitted by the filaments are accelerated and diffused towards the anode. Application of a specified voltage raises the temperature of the filament cathode to approximately 600which causes thermionic emission. 0% Principal of VFD Operation The filament consists of a very thin tungsten wire coated with barium, strontium and calcium oxides. 100% 0% 60% 40% 20% Light Blue Blue Blue Green Yellowish Green Vivid Green Green Greenish Yellow Yellowish Orange Orange Red Reddish Orange Including standard green phosphor, over 10 additional colors have been developed. 3.The FLVFD (Front Luminance VFD) is available, offering a wide viewing angle. FEATURE 1.Superior readability, with high self-luminance. Electrons come into collision with the phosphor to emit light. The phosphor is patterned on the anode in vacuum package. HOT WATER SUPPLY SYSTEM HEALTH AUDIO OVEN AUTOMOTIVE DVDDVDSTB VENDING MACHINE POS ADVERTISEMENT MEASUREMENTĤ Features of VFD General VFD Excellent Readability BLUSH GREEN GREEN BLUE GREEN 530 GREENISH BLUE BLUE PURPLISH BLUE 535 BLUISH PURPLE PURPLE YELLOWISH GEREEN ICI ILLUMINANT "C" REDDISH PURPLE VIVID GREEN YELLOW GREEN PURPLISH PINK ORANGE PURPLISH RED YELLOWISH ORANGE LIGHT BLUE 560 C.I.E Chromaticity Diagram(1931) Presented by FUTABA CORPORATION GREENISH YELLOW YELLOW PINK RED PURPLE ORANGE PINK REDDISH ORANGE 50 RED SUMMARY VFD is a display device developed with vacuum triode tube technology. Futaba, s display technology will be sure to help you enhance the quality of your new products with Futaba, s highly esteemed performance in the world as well as the domestic market. If you want a display which does not fail in its performance, or an attractive display to beat your competition, you are recommended to choose Futaba as your partner. Futaba has the largest market share of VFD products in the world, allowing Futaba to lead the technology, know-how and experience in this field.
This is due to the fact that the display device is always exposed to end users, eyes, which in turn is one of the essential elements to determine product value. Furthermore, not only does a display act as an interface, but the display device also affects the user, s impression of the end product. With DVD, s, audio systems and home appliances, it simplifies the use of such appliances.
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In a car for example, it informs the driver of current speed or warnings. 3 Futaba's VFD Futaba offers a application with high value-added displays In general, display devices can provide significant functions to an end user.
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