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2024.05.31

The reason why the positive and negative lamp pins of LED lamp beads turn black

Yesterday, a customer asked us that the LED lamp bracket they were storing was black and asked us what caused it. The black LED bracket is a problem that LED packaging manufacturers encounter from time to time. The editor of Hailongxing will tell you about the reasons for the blackening of the bracket: the silver plating layer is too thin, the silver plating layer is vulcanized, the silver plating layer is oxidized, the plating quality is poor, organic matter pollution, nozzle materials, etc., resulting in LED lamp beads There are signs of blackening of the bracket. Next, Hai Longxing will give you a brief analysis of some reasons for blackening.

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2024.05.31

The positive and negative poles of 5050 SMD lamp beads

5050 chip lamp beads usually have four electrodes, two of which are positive electrodes and the other two are negative electrodes. So how to judge the positive and negative electrodes of SMD LEDs? The following is a common method to determine the positive and negative poles of 5050 SMD lamp beads: Determining the positive and negative poles of 5050 lamp beads

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2024.05.31

3mm led direct plug lamp bead size

The sizes of direct plug-in LEDs are divided into two pins: 2mm, 3mm, 4mm, 5mm, 8mm and 10mm. Small-sized lamp beads can be easily separated according to the size of the lamp beads. We have 3mm LED direct plug-in columns. 3mm plug-in lamp beads refer to the diameter of 3mm, its model is 3mm light-emitting diode, and its height is 5mm. It is divided into edged and edgeless. The colors of the colloid include transparent, foggy, red, yellow, green, and blue lights. The specific wavelength can be customized according to your needs. Its wavelength is 600-635. Luminous colors include: red, green, blue, yellow, two-color, three-color. Various light color effects can be customized

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2024.05.31

Table lamp LED lamp beads list

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2024.05.31

The difference between LED self-flashing lamp beads and IC controlled LED lamp beads

LED self-flashing lamp beads and IC-controlled LED lamp beads play different roles in the field of LED lighting. They have significant differences in principles, functions and applications. This article will

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2024.05.31

The 5050 monochrome LED beads in Shenzhen r

The 5050 monochrome LED beads in Shenzhen refer to SMD beads with dimensions of 5 * 5.5 * 1.6MM, which use advanced LED technology. It has multiple characteristics and wide applications. It can emit monochromatic light,

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2024.05.31

Characteristics and Applications of 5mm Round Head High Display Light Emitting Diodes

Characteristics and Applications of 5mm Round Head High Display Light Emitting Diodes 5mm round head high display LED is a widely used indicator for household appliances, such as power supply index beads, socket lights, mouse and keyboard indicators, and electronic product indicators that require small circular diameter objects.

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2024.05.31

Looking for the strongest home appliance indicator beads in Guangzhou

Looking for the strongest home appliance indicator beads in Guangzhou? Hailongxing Optoelectronics will provide you with assistance. Our LED beads have unique characteristics of energy conservation and long lifespan.

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2024.05.31

List of specifications and models of SMD LED

SMDLED, also known as SMDLED, is a basic lamp bead. It utilizes compound semiconductors to convert current into light energy and emit light by combining electrons and holes. Compared to traditional pin type LEDs, SMDLED is more compact, lightweight, thin, and aesthetically pleasing, while also more sturdy and durable, and can be applied in more limited spaces and practical fields. The application of SMD LED is very extensive. They can be used in fields such as electronic products, automotive lighting, aerospace, lighting, lighting industry, landscape decoration, etc. In the field of smart home, SMD LED also plays an important role. For example, through

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2024.05.31

List of Inline LED

can be divided into various shapes such as round head, bullet head, straw hat, square, elliptical, concave, and flat headlights. Each shape has its unique characteristics and applicable scenarios, and users can choose the appropriate packaging shape according to their actual needs.

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2024.05.31

The difference between COB inversion and formal decoration

With the popularity of inverted LED light sources in the market, more and more people are familiar with inverted light sources. However, for manufacturers of inverted COB light sources, what they have learned is definitely more comprehensive and professional than those outside the industry. Some users have also used inverted COB light sources. What is the difference between inverted COB light sources and formal COB light sources? Let's gradually analyze it!

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2024.05.31

How many volts does the led diode lamp

The power of LED light emitting diodes is related to the design of current and voltage circuits, as well as the selection of driving power sources. The current of a single LED chip is constant at 20MA, so the single chip in red, yellow, and orange colors is between 1.8-2.3V, while the other colors are between 2.8-3.6V

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Shenzhen Highlight Electronics Co., Ltd.

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86-18899859121

Fax：86-0755-27480569

Main telephone: 86-0755-27471835 (20 lines)

Address: 6th Floor, Building E, Huachuangda Industrial Park, Gushu Hangcheng Avenue, Xixiang, Baoan District, Shenzhen, Guangdong.

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