LED lens manufacturers share the characteristics of LED lenses used in floodlights.

LED lenses are closely integrated with LEDs, enhancing light utilization and luminous efficiency, and can be selected to achieve different visual effects. They come in two types: transmissive and refractive. Now, let’s continue… LED lens manufacturer Let’s take a look at the characteristics of LED lenses used in floodlights, as well as the key design considerations and operating principles behind them.

    I. LED lens manufacturers explain the characteristics of LED lenses used in floodlights:

　　1. High precision: LED lens manufacturers employ high-precision aspheric optical design and produce lenses using imported, optical-grade raw materials, offering excellent high-temperature resistance. Thanks to rigorous manufacturing processes, stringent product quality control, and compliance with RoHS environmental standards, the lenses achieve exceptionally high accuracy.

　　2. High light transmittance: As is well known, LED lenses are composed of individual small lenses and are classified as secondary optics. They feature advanced polishing techniques—specifically, professional aspheric surface polishing—which ensures a uniform light spot on the surface and excellent light transmission, allowing most of the light to pass through. Consequently, among the many projector lens options, LED lenses offer outstanding value for money and are a commonly used lens design.

　　3. It is compatible with a wide range of high-power LEDs. Another key feature of the projection lens is its excellent matching capability, allowing it to work seamlessly with various high-power LED spotlights. Regardless of the style or power rating of the LED projector, it delivers uniform illumination without light spill, shadows, or dark spots.

　　4. Excellent adaptability: Whether used indoors or outdoors, LED lenses deliver the expected performance. Even in harsh outdoor conditions, they offer superior resistance to high and low temperatures and outstanding yellowing resistance, resulting in virtually no limitations on operating temperature.

　　 II. Explanation by LED lens manufacturers of the key design considerations and operating principles of LED lenses:

　　1. LED Lens Manufacturers – Key Design Considerations for LED Lenses

　　The side walls of the LED lens feature a freeform surface design, and the assembly employs a compound‑eye optical architecture, delivering a beam angle of 25° to 60°. Typically made from PC material, it is suitable for COB‑type downlights with an output‑face diameter of 14 mm, achieving an optical effective transmittance of approximately 94%.

　　Another set of LED lenses features an external straight scale, with a compound-eye structure at the center of the light-emitting surface. The lens employs an external freeform surface and incorporates a composite eye‑ball design that integrates both the near‑field and the light‑emitting surfaces.

　　LED lens manufacturers state that LED lenses are typically made of PC material, which is resistant to high temperatures. The light source can be either a chip‑based LED or a COB LED. The beam angle is adjustable between 30° and 60°, ensuring uniform illumination. Externally, modular surface‑mount LEDs can be combined with an integrated lens for diffused light distribution, producing a spider‑like visual effect and broadening the range of available light sources.

　　2. LED lens manufacturer Design principle of LED lenses

　　First, consider the light source—its chip architecture, packaging method, and optical characteristics—all of which can vary. As a result, even when the same lens is paired with LEDs of different specifications, performance differences may arise. Therefore, targeted development is required, oriented toward mainstream brands.

　　Optical operating rays are designed and simulated using optical design software, yielding the corresponding aspheric optical surfaces.