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TIR Lens

  • 1. Model No.: YJ-81

  • 2. Material: Ultra Transparent Optical Silicone

  • 3. Feature: Heat Resistant, No-yellowing

  • 4. Technology: LSR Injection Molding

  • 5. Light Transmittance: 94%

  • 6. Temperature Resistance: -40 to 150℃

  • 7. UV Resistance: Double 85 Aging Testing, 5000 hours, no changing

Product Description

UV Resistant& High Temperature Resistant TIR Lens| Revolutionizing LED Lighting with Optical Silicone

Silicon TIR Lens is made of optically clear liquid silicone material, processed by LSR Injection Molding in class 100,000 clean production workshop. Not only are optical silicone TIR lenses highly functional, but they also contribute to energy efficiency. By maximizing the light output of LEDs and minimizing light loss due to inefficient optics, these silicon TIR lenses help to reduce energy consumption and lower carbon emissions. This aligns with the growing global focus on sustainability and energy conservation, making optical silicon TIR lens a preferred choice for environmentally conscious LED lighting solutions. Our factory has been the top manufacturer of LSR injection molding optical TIR lenses in China.

LED Lens Manufacturer

Product Specification

Item No.YJ-81
Item NameLSR Injection Molding TIR Lens
MaterialMomentive Optical Silicone
Hardness80 Shore A
Machine160T ARBURG Horizontal LSR Injection Molding Machine
ProcessLSR Injection Molding- Deflashing- Inspection- Post Curing- Dust Free- Packing- Shipping
ApplicationLED Lighting

TIR Lens Principle

TIR lenses means total reflection technology+ inter-media action, each light ray is utilized in a controlled manner, generally without secondary light spots and with a good looking light pattern. TIR Lens uses the principle of total reflection to collect and process light. It is designed to collect and reflect all the side light in front of the lens in a penetrating way, while the tapered surface collects and reflects all the side light, and the overlapping of these two types of light results in a perfect light utilization and a beautiful spot effect. The efficiency of TIR lens can reach over 90%, with the advantages of high light energy utilization, low light loss, small light collection area and good uniformity. Optical silicone can be easily molded into complex shapes and designs, allowing for customized lens solutions that meet specific lighting requirements. This flexibility opens up a world of possibilities for designers and engineers, enabling them to create innovative LED lighting solutions that were previously unattainable.

TIR Lens

TIR Lens LSR Injection Molding Process

LSR injection molding is a popular manufacturing method for producing high-quality TIR lenses. As a leading manufacturer in optical silicon lenses, we are committed to delivering top-notch products that meet the needs of our clients. Our team of experts uses advanced silicone molding technology and high-quality optical clear silicone materials to ensure that our silicon TIR lenses are durable, efficient, and effective. We understand the importance of precision and accuracy when it comes to TIR lens for LED lighting. That's why we use LSR molding, which allows us to produce TIR lenses with intricate designs and precise dimensions. This method also ensures that our lenses are free from defects such as air bubbles, sink marks, and flash.

Benefits of TIR Lens Made of Optical Silicone

The optical liquid silicone has low refractive ratio at 1.41 and high light transmittance of 94%, with great flexibility and low viscosity, the silicon TIR lens can achieve micro-structure and under-cut designs. With characteristics of anti-yellowing, UV resistance and temperature resistance, the optical LSR TIR lens keeps no change after 5000 hours aging testing, and the silicon TIR lens can work under temperature over 200 degrees Celsius. With lower density than PC, PMMA and glass, the silicon tir lens weight is way much lighter than other optical lenses. Here are some of the advantages of why you should choose TIR lens made of optical silicone material.

Temperature Resistance

LED lighting systems often generate significant amounts of heat, which can be detrimental to the performance and lifespan of traditional lens materials. However, optical silicone TIR lens can withstand high temperatures without warping or melting, ensuring consistent performance and longevity even in demanding environments.

Silicon TIR Lens

UV Resistance

TIR lenses made from optical silicone can withstand prolonged exposure to ultraviolet radiation without suffering from degradation or discoloration. As a result, these lenses maintain their optical clarity and efficiency over extended periods, making them ideal for outdoor applications where exposure to sunlight is inevitable.

Silicon TIR Lens

Resistant to Shock

Optical silicone TIR lenses are also highly resistant to shock and impact. This makes them suitable for applications where vibrations or accidental impacts may occur, such as in automotive lighting or industrial settings. The robustness of these lenses ensures that they can withstand harsh conditions without compromising their functionality or optical properties.

TIR Lens

Explosion Proof

Optical silicone TIR lenses offer explosion-proof properties, making them an excellent choice for hazardous environments. In industries where flammable gases or volatile substances are present, the risk of explosions is a constant concern. By using lenses made from explosion-proof optical silicone, manufacturers can mitigate this risk and ensure the safety of their lighting systems.

Optical Silicone TIR Lens Manufacturer

The utilization of optical silicone in the manufacturing of TIR lenses has brought about a significant transformation in the lighting industry. The inclusion of UV resistance, temperature resistance, anti-shock, and explosion-proof properties in optical silicone TIR lenses has provided unparalleled durability and performance. Whether it is for outdoor lighting or hazardous environments, optical silicone TIR lenses ensure consistent and efficient light distribution. As a leading manufacturer specializing in LSR injection molding TIR lenses, YEJIA is dedicated to delivering top-notch products that cater to the specific requirements of our clients. Our cutting-edge silicone molding technology, stringent quality control standards, and unwavering commitment to customer satisfaction make us the perfect partner for all your LED lens needs.



Q: What's the advantage of silicon TIR lens?

A: The silicon TIR lenses advantages are as below:

1. Temperature Resistance: -40 to 200°C, resistant to sudden cold and hot shocks.

2. Flexible material: Not easy to burst, excellent explosion-proof performance.

3. Non-toxic, low density, stable performance, up to 92% light transmittance and excellent weather resistance.

4. Almost residual stress-free, good elasticity, ensuring stable optical properties.

Q: Can you do the product design for silicone TIR lens?

A: We regret that we mainly do OEM designs and do not have the ability to design optical lenses for now.

Q: Do you have clean production room?

A: Yes, for optical lenses, we have set up various class 100,000 clean production workshops, and class 10,000 inspection room for light performance tests.

Q: Can I visit your factory?

A: Yes, highly welcome to visit us, contact us to arrange the visiting.