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LED Projector Fresnel Lens | 5.8 Inch

Specification

[Product Name] LED Projector Fresnel Lens

[Material Composition] Optical PMMA Acrylic

[Optical Arrangement] Rear Projection Transmission Layer

[Surface Configuration] Fine Fresnel Circular Groove Matrix
[Dimension] 145 × 85.1 mm (5.8 inch class)
[Focal Length] 110mm

[Groove Pitch] 0.3mm

[Fabrication Method] Injection Molding Optical Replication

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LED Projector Fresnel Lens | 5.8 Inch Rear Projection Light Transfer Panel | 110mm Focal Length for LED Imaging Assemblies


With over 30 years in Fresnel optics, Shandong Yuying Optical Instrument Co., Ltd delivers certified, high-quality optical solutions with full in-house manufacturing for display equipment worldwide.


This 5.8-inch rear projection Fresnel lens is developed for LED projector systems, enabling controlled light transfer and stable optical integration.


  • Optical transmission stability affects projection image consistency.
  • Fresnel structures help guide light through compact projection pathways.


How does a Fresnel lens work in an LED projector?
A Fresnel lens helps transfer and regulate projection light between optical stages, supporting stable image output in LED projector systems.


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 is the role of a rear Fresnel lens in LED projectors?
A: It regulates light transfer between projection stages and supports stable output behavior.

Q2: Why use PMMA in projector Fresnel lenses?
A: PMMA combines lightweight structure with suitable optical transmission properties.

Q3: What does a 110mm focal length support?
A: It helps maintain controlled optical spacing in projection assemblies.

Q4: Can optical specifications be modified?
A: Yes, groove pitch, focal length, and dimensions can be customized.




Advantages


Optical Functions:

  • Installed at the rear optical section to regulate transmitted projection light
  • Designed to support stable light transfer between imaging and output stages
  • Fresnel groove matrix assists directional propagation across projection channels
  • PMMA optical substrate supports lightweight structural integration
  • Suitable for LED projector systems requiring controlled optical transition behavior

Application Areas:

  • LED projection devices
  • Imaging transmission modules
  • Optical display assemblies
  • Projection integration systems

Manufacturing Capability:

  • Specialized Fresnel optics engineering facility
  • In-house tooling and mold fabrication process
  • Stable optical replication consistency
  • OEM and customized projection optics support available

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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