Posts in category: Svjetlo za LED traku

Kakav je proces izrade LED svjetiljki??

What is the LED production process
What is the LED chip manufacturing process?
Actually epitaxial wafer production process is very complex, in the exhibition after the epitaxial wafer, began to LED epitaxial wafer do next electrode (P, N), and then began to use laser machine for cutting the LED epitaxial wafer (previously LED epitaxial wafer mainly use diamond cutting knife), made into a chip, in different locations in the wafer on extraction of nine points test parameters.

1. Mainly test the voltage, wavelength and brightness of the wafers that can meet the normal shipping standard parameters and then proceed with the next operation. If the nine-point test does not meet the relevant requirements, the wafers will be put aside for another processing.
   2, wafer cutting into chips, % visual inspection (VI/VC), the operator should use magnification microscope 30 times for visual inspection.
   3, then use automatic classifier according to different voltage, wavelength, brightness prediction parameters of the chip to fully automatic selection, testing and classification.
2. Finally, check (VC) and label the LED chip. The chip area shall be in the center of the blue film, and there shall be at most chips on the blue film, but the number of chips on each blue film shall not be less than chips, and the chip type, lot number, quantity and photoelectric measurement statistics shall be recorded on the label attached to the back of the waxy paper. The chips on the blue film will undergo the final visual inspection according to the same standards as the first visual inspection to ensure that the chips are neatly arranged and of good quality. This makes LED chips (collectively known as squares on the market at present).
   In the process of LED chip production, the chip with some defects or electrode wear, sorted out, these are the loose crystals behind, at this time in the blue film there are some do not meet the normal shipping requirements of the chip, it will naturally become a side piece or hair, etc.
   Talked about in different locations on the wafer extraction parameters testing, nine points do to do not conform to the requirements of the wafer for additional processing, these cannot be directly used to make the LED wafer square piece, also won’t do any sorting, sold directly to customers, which is currently on the market the LED wafer (but also have good things in your wafer, such as the party).
   LED neon lights

1. 
   Since the advent of neon lights, after a hundred years of unfailing. It is a special low pressure cold cathode glow discharge electric light source, and is different from other such as fluorescent lamp, high pressure sodium lamp, metal halide lamp, mercury lamp, incandescent lamp and other arc lamp. Neon lights are produced by a cold cathode glow discharge under a high voltage field of inert gas filled in a glass tube. The color of the neon lamp is determined by the spectral characteristics of the inert gas. Fluorescent neon lights are filled with argon and mercury, while neon lights emit blue and yellow light. These two types of neon lights are generated by excited radiation from the atoms of the working gas in the tube. Compared with other electric light sources, neon lights have the following characteristics:
   Prvi, high efficiency
   Neon lights rely on the electrodes at both ends of the light in the high voltage field will be inert gas in the tube, it is different from the ordinary light source must burn tungsten wire to high temperature to light, resulting in a large amount of electric energy in the form of heat energy is consumed, therefore, with the same amount of electric energy, neon has a higher brightness.
   Two, the temperature is low, the use is not restricted by climate
   Neon lamp because of its cold cathode property, the tube temperature is below 60°C when it works, so it can be placed in the open air in sunlight and rain or in the body.
   Low energy consumption
   In the era of continuous technological innovation, the manufacturing technology of neon lights and the technical level of related parts are constantly improving. The application of new electrodes and electronic transformers has greatly reduced the power consumption of neon lights, from 56 watts per meter of lamp to 12 watts per meter of lamp.
   Four, dug život
   Neon lights in continuous work under the condition of continuous electricity, life of more than 10,000 sati, this advantage is difficult to achieve any other electric light source.
   Five, flexible production, diverse colors
   Neon is made of glass tubes that can be fired and bent into any shape with great flexibility. By choosing different types of tubes and filling them with different inert gases, the neon can produce a colorful, multi-colored light.
   Six, dynamic, good effect, economic and practical
   Neon light screen by the steady light tube and dynamic light scanning tube composition, can be set to jump scan, gradual scan, mixed color change seven color scan. Scanning tube by equipped with microcomputer chip programming scanner control, scanning tube according to the programmed program light or off, forming a flow of pictures, like a rainbow in the sky, like the Milky Way, more like a dream world, fascinating, unforgettable. Therefore, neon is a form of advertising with less investment, strong effect and economic utility