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In today's market, there are many types of light sources for lighting products, among which COB, LED, SMD and MCOB are the most common. For consumers, how to choose the right light source and understand the differences between these light sources when purchasing lighting products are problems they often face.
LED light source, also known as light-emitting diode light source, has been widely used in the field of lighting due to its small size, long service life and high energy efficiency. These advantages of LED light source make it a leader in lighting technology.
There are many types of LED light sources, including:
1. Ring light source: This light source can directly illuminate the top of the object to be measured to provide uniform lighting effect.
2. Strip light source: It can provide three different lighting effects of direct, oblique and metering to meet different lighting needs.
3. Linear light source: This light source has a good focusing effect, and high brightness can shorten the exposure time of the camera and improve work efficiency.
4. Reciprocating light source: Its angle can be adjusted to adapt to objects with different characteristics and different working distances.
5. Backlight source: This light source illuminates from the back of the object to be tested and is often used in backlight display and other occasions.
6. External coaxial reflective light source: This light source illuminates the object to be tested in parallel through a side light source through a beam splitter, providing uniform and stable lighting.
7. Internal coaxial point light source: This light source needs to be used with a coaxial lens to achieve the best lighting effect.
8. Hemispherical ridge light source: It is diffused through a diffuser to form a uniform illumination area, which is suitable for occasions that require uniform lighting.
COB light source is an integrated surface light source technology that directly mounts LED chips on a mirror metal substrate with high reflectivity. This technology abandons traditional brackets and does not require electroplating, reflow soldering and patch processes, thereby reducing nearly one-third of the processes and saving one-third of the cost.
COB light source has stable electrical properties, and its circuit, optics and heat dissipation design are scientific and reasonable. The use of heat sink process technology ensures that the LED has an industry-leading thermal lumen maintenance rate. In addition, COB light source is convenient for secondary optical matching, thereby improving lighting quality.
COB light source is easy to install and use, which reduces the complexity of lamp design and saves processing and subsequent maintenance costs.
At present, COB light source is widely used in lighting fixtures such as light strips, spotlights, downlights, fluorescent lamps, street lamps, etc., and has become an important part of the lighting industry.
SMD light source is a technology for surface mounting light-emitting diodes. It has the characteristics of large-angle light emission (120-160°), high efficiency, good precision, low solder joint rate, light weight and small size, which makes SMD light source also have a place in the lighting field.
MCOB light source is an extension of COB packaging process. It places the chip directly in the optical cup and coats each chip with phosphor to complete the glue lamp process. The light of the LED chip is concentrated in the cup, and the light efficiency is improved by increasing the light outlet. Generally, the efficiency of low-power chip packaging is higher than that of high-power chip packaging.
Shenzhen IHY Lighting Co., Ltd. focuses on providing high-quality COB light sources, focusing on small spaces and uniform light. It is characterized by uniform light distribution, no obvious light spots, and soft and non-glaring light. We provide customized services, welcome to customize the COB LED light source suitable for your product.