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Heat-Resistant Polymer Fresnel Lens | 4 Inch

Specification

[Product Name] Heat-Resistant Polymer Fresnel Lens

[Manufacturer] Shandong Yuying Optical Instrument Co., Ltd
[Available Sizes] Optical-grade PMMA (Acrylic)

[Optical Configuration] Front Projection Placement
[Surface Architecture] Concentric Fresnel Groove Structure

[Dimension] 118.05 × 64.56 mm (4 inch class)

[Focal Length] 130mm

[Groove Pitch] 0.3mm

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Heat-Resistant Polymer Fresnel Lens | 4 Inch Front Projection Optical Panel | 130mm Focal Length for High-Temperature Display Systems


This 4-inch Fresnel lens is engineered for front projection use, combining heat-resistant polymer material with a 130mm focal length for stable performance in thermally demanding environments.



  • Thermal stability is critical for optical components used with high-intensity light sources.
  • Material performance directly affects projection consistency under heat exposure.


Why use a heat-resistant Fresnel lens in projection systems?
A heat-resistant Fresnel lens maintains stable optical behavior when exposed to high temperatures, preventing deformation and performance loss.

Customization Services

Yuying provides customized Fresnel lenses for projectors, tailored in terms of focal length, dimensions, and groove design.


  • Custom Fresnel lenses available in varied sizes, shapes and focal lengths
  • Optimized thread pitch/tooth profile: Enhances resolution, clarity and brightness
  • Eccentric condenser lens technology: Expands keystone correction range for optimal viewing in both desktop/ceiling installations
  • Front-rear lens configuration improves light utilization efficiency


Q1: What happens to a Fresnel lens under high temperature?
A: Standard materials may deform, while heat-resistant polymers maintain structural stability.

Q2: Why is heat resistance important in projection systems?
A: High-power light sources generate heat that can affect optical performance.

Q3: What applications require heat-resistant lenses?
A: Industrial displays and high-intensity projection systems.

Q4: Can the material be customized?
A: Yes, different polymer formulations can be used based on temperature requirements.




Advantages


Optical Performance:

  • Positioned before the projection path to guide emitted light direction
  • Heat-resistant polymer maintains optical stability under elevated temperatures
  • Long focal length supports extended projection distance setups
  • Groove structure enables controlled refraction across the optical surface
  • Suitable for systems exposed to continuous light or thermal load

Application Scenarios:

  • Projection systems operating in high-temperature environments
  • Industrial display equipment
  • High-power light source modules
  • Engineering visualization systems

Manufacturing Strength:

  • Integrated Fresnel lens production and mold development
  • Stable optical replication across large-scale manufacturing
  • Custom material formulation available (PMMA / modified polymers)
  • ISO9001-certified production system

Functions

Fresnel lenses perform beam collimation and focusing:

1. Convert point sources into parallel light, significantly enhancing edge brightness of display panels while eliminating sunspot effects and improving overall brightness uniformity
2. Typically used with other optical components (e.g. cylindrical lenses)
3. Removing collimation lenses causes substantial light loss through panels, resulting in noticeable hotspots and reduced edge brightness
4. On the reverse side of LCD screens, light must be converged from panels to projection lenses



Application Examples

  • Portable Projectors: Ultra-thin Fresnel lenses enable compact optical engines as small as the palm of your hand.
  • Rear-Projection TVs: Large-format Fresnel screens are used for light diffusion and viewing angle control.
  • 3LCD/DLP Projection Technology: Both rely on Fresnel lenses as key optical components for light collimation and concentration.

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