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Sources：Numerically Controlled Enclosure Machine | PublishDate：2019.03.16
First, the disorder of LED glyph and the different standards of different projects require that the light source be universal without glyph constraints.
Second, because the repair of LED light-emitting words is extremely inconvenient after the device is completed, in order to reduce the cost of repair, the light source is required to have a longer life.
Generally speaking, 3 and 5 piranha have a luminous viewpoint of about 90 and 120 degrees. Under this interval, the light can be radiated completely by using the light emitting module of the piranha on the plastic absorption character. Not only the number of modules is saved, but also the use rate of light intensity can be stopped by the screen brightness meter test. The flat-headed piranha module and the small straw hat module with a light-emitting point of view of 160 degrees should be selected for the light-absorbing and carving light-emitting characters with short character walls and zigzag shapes. The larger the area of light radiation, the lower the amount of module, and the shorter the font wall and improve the brightness of the font. The combination of the two organically obeys the law of energy conservation and shows the importance of selecting the right LED.
The light-emitting diode bulb is substantially different from the traditional white lamp both in structure and in principle. For a long time, people have not used light-emitting diodes for lighting, the main reason is that on the one hand, light-emitting diodes declare that the red, green and blue primary colors of light have not been completed, and also can not complete white light; on the other hand, the intensity and efficiency of light can not meet the lighting needs. Now this puzzling problem has finally been solved. Ultra-high brightness blue LED is chosen as the foundation, and many methods are used to complete the white light. A white light emitting diode light bulb has been developed to announce that the light is very close to the sunlight and has an outstanding application prospect. Because of this, the light-emitting diode light bulb will emerge from the center of the traditional electronic equipment indicator lamp and become a new star in the field of lighting, resulting in a new lighting innovation. Semiconductor ultra-high brightness light-emitting diodes (LED), especially nitride white light-emitting diodes, have the advantages of small size, low voltage, long life, fast response, no stroboscopic, less energy consumption and fewer heat. They are gradually becoming a new generation of green, energy-saving, environmental protection and long-life lighting sources.