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2023

Glass lens, COB glass lens, aspherical glass lens

The issue of light distribution can be said to play a decisive role in the promotion of LED light sources, because when using LED light sources, the overall output effect, light intensity, and color temperature distribution of the light source may not necessarily meet engineering requirements. In order to make the light source meet engineering requirements, it is necessary to use the principles of physical refraction, reflection, or total reflection of light, so that the light emitted by the entire LED light source is concentrated in the desired lighting area, This process is called optical design, also known as secondary light distribution.

The optical components used for LED light source distribution can be divided into two categories: * * * cups and LED lenses. Most * * cups on the market are made of plastic and aluminum, while LED lenses are mostly made of plastic.

However, with the introduction of LED integrated light sources (COBs), the demand for high-power lighting has been addressed. This technology eliminates the concept of brackets, eliminates electroplating, reflow soldering, and SMT processes, resulting in a reduction of nearly one-third of the processes and a savings of one-third in light source costs. At the same time, due to its structural characteristics, high-power light sources only require one lens or * * * cup, greatly reducing the overall cost of * * *, Becoming the future development trend of LED light sources. However, due to the large size of its luminescent plate and high heat generation, the light distribution of COB light sources has become a challenge in the industry. If an aluminum * * cup is used, due to the high absorption rate of light on the surface of the aluminum material and the limitations of the light distribution of the * * cup itself, it is difficult for the * * cup to meet the lighting requirements. If a plastic LED lens is used, due to the physical and chemical properties of the plastic itself and the high heat generation of COB light sources, This leads to rapid aging of plastic lenses and a decrease in transmittance, ultimately affecting the light efficiency and failing to meet the lighting requirements.

In order to meet the requirements of lighting engineering and overcome the disadvantages of traditional light distribution elements, LED optical glass lens (also known as COB glass lens) was born. The birth of LED optical glass lens (also known as COB glass lens) was highly praised by the * * industry. Because of its high light transmittance, aging resistance, stability and many other advantages, the market of LED optical glass lens (also known as COB glass lens) has been rapidly developed. At present, the market of lamps, * * * The light distribution components such as industrial * * *, floodlights, * * *, and dance * * * have all started to be replaced with LED optical glass lenses (also known as COB glass lenses).

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