How much does a direct plug-in LED cost?
The price of direct plug-in LEDs currently on the market is mainly based on the power, wavelength, packaging method, purpose of the light-emitting diode (LED lamp bead), the price of direct plug-in LEDs, the packaging chip brand and other factors. Different parameters and packaging requirements will lead to different prices. different
Power: Generally speaking, the general plug-in power is 0.06w. The price of lamp beads that require high power will be correspondingly higher.
Brightness: Brightness is an important indicator of direct-plug lamp beads, usually measured in lumens (Lumen). Higher brightness LED bulbs may cost more.
Color temperature: The prices of LED lamp beads with different color temperatures may be different. There may be a difference in price between warm white and cool white LED bulbs.
Wavelength: Some special-purpose LEDs may require specific wavelengths, which may also affect price. For example, generally 365nm to 410nm are the more conventional UV purple lamp bead prices, and the 265nm UV price will be more expensive.
Brand: Different brands of plug-in lamp beads may have differences in quality, performance and after-sales service, which affects the price. For example, Hilongxing has R&D, sales, and factories. Therefore, when selecting new products, they will choose Hilongxing Optoelectronics' series of light-emitting diode lamp beads. In terms of price, the cost is much lower than using similar products from Osram. This is also one of the reasons why many projects focus on domestic products when re-selecting models.
Purpose: For different applications, LED bulbs may have special design requirements, which will also affect the price.
Packaged chip brand: The packaged chip brand of direct-plug lamp beads is also a factor that affects the price. Some well-known brands of LED chips may bring higher prices.
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There are many welding methods for LED lamp beads on the chip, and the following is one of the commonly used methods for reference. First, use an electric soldering iron to heat some soldering tin on the positive and negative electrode pads of the lamp bead (the soldering tin must not be too much, otherwise, the positive and negative electrode pads will be connected once heated with a hot-air gun), then use a hot-air gun to heat the positive and negative electrode pads at the same time, after the tin melts, use tweezers to place the positive and negative electrodes of the lamp bead on the corresponding pad.
LED is the light emitting diode, which is a semiconductor solid light emitting device that converts electric energy into light energy. Its core is the PN junction. In addition to the forward conduction, reverse cut-off and breakdown characteristics of the general PN junction, it also has the light emitting characteristics under certain conditions. Its structure mainly includes the following parts: lead, bracket, encapsulation glue, bonding wire, LED chip, solid crystal glue and phosphor. The discoloration failure of LED lamp bead is closely related to its material, structure, packaging process and service conditions. The following will analyze the causes of its discoloration through specific cases.
LED lamp beads are also called light emitting diodes. It has a wide range of applications. Its luminous colors include red light, emerald green light, yellow green light, yellow light, purple light, blue light, white light and orange light. The above is monochromatic light. It can also be made into two or three colors.
The gold wire used to package LED lamp beads contains more than 99.99% gold. It is produced by drawing gold from this material. In addition to 99.99% gold, this gold also contains less than 1% other trace elements. One of the core components of LED lamp bead packaging is gold wire, which is the bridge connecting the luminous chip and the welding point, and plays a decisive role in the service life of LED lamp bead. So how to identify the purity of gold thread?