ADVANTAGES OF USING FRESNEL LENS IN LED LIGHTS

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E-Tay ADVANTAGES OF USING FRESNEL LENS IN LED LIGHTS Introduction

E-TAY INDUSTRIAL CO., LTD. is Taiwan supplier and manufacturer in Optical Industry. E-Tay has been offering our customers high quality Magnifying Glass, Magnifying Sheet, Headband Magnifier, Lighted Magnifier, Page Magnifier since 1980. With both advanced technology and 38 years experience, E-Tay always make sure to meet each customer's demand.

ADVANTAGES OF USING FRESNEL LENS IN LED LIGHTS

Summary

If the LED lamp lens element is made of optical glass, the production cost is relatively high and it is fragile. If the thickness of the element can be reduced, or even a sheet lens, the size of the optical element can be reduced, and the size of the lamp or other equipment can be reduced. It can also save materials and reduce costs. As the thickness is reduced, the light absorption is also reduced, and the efficiency of lamps or instruments will also increase. Therefore, making high-quality thin-film optical parts has always been one of the goals pursued by optical design. The Fresnel lens is a sheet-like thin lens. It has always been light, thin, inexpensive, and cut in any shape.

Lightweight, Safe and Not Fragile

If the LED lamp lens element is made of optical glass, the production cost is relatively high and it is fragile. If the thickness of the element can be reduced, or even a sheet lens, the size of the optical element can be reduced, and the size of the lamp or other equipment can be reduced. It can also save materials and reduce costs. As the thickness is reduced, the light absorption is also reduced, and the efficiency of lamps or instruments will also increase. Therefore, making high-quality thin-film optical parts has always been one of the goals pursued by optical design.

Excellent Light Transmittance, Lightweighted and Easy To Carry

Fresnel lens is a sheet-like thin lens. It has been used in some fields because of its lightness, thinness, low price, arbitrary shape cutting, excellent light transmittance, lightness and portability. In the field of LED lights, it is widely used in downlights, spotlights, wall washers, stage lights and other lamps.

Secondary Optical Lens for LED Light Source

LEDs are small in size, but most of the LED cup lenses sold on the market have a thickness of more than 10mm, which has become a fatal problem for LED applications in some occasions, although Fresnel lenses can be used to reduce the thickness of the lens and reduce light absorption . However, the precise ultra-thin zigzag shape can achieve precise optical design, with good optical quality and high light utilization. The serrated lens has a wider range of adaptability, that is, it can adapt to the needs of different use conditions and different processing conditions. Yuying can design the size of the LED lens according to the needs of customers, and the light output angle can be adjusted to reduce the cost of mold opening. Precision machine tool processing, to achieve accurate transmission of light. This kind of sawtooth lens is suitable for secondary optical lens with LED as the light source. For a small light source such as an LED, it is very meaningful to have a small and thin optical lens. The method of zooming and zooming while moving the zigzag lens along the light direction can achieve higher efficiency. Very good results can be obtained for LED light sources with small light source dimensions.