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Acrylic Fresnel Lens for Visual Displays | 4.45 Inch

Specification

[Product Name] Acrylic Fresnel Lens for Visual Displays

[Available Sizes] Optical-grade PMMA (Acrylic)

[Optical Role] Rear Output Regulation Layer
[Surface Profile] Circular Fresnel Groove Profile

[Dimension] 107.9 × 61.3 mm (4.45 inch class)

[Focal Length] 75mm

[Groove Pitch] 0.3mm

[Production Method] Injection Molding Optical Replication

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Acrylic Fresnel Lens for Visual Displays | 4.45 Inch Rear Optical Output Layer | 75mm Focal Length for Image Field Control


Shandong Yuying Optical Instrument Co., Ltd is a specialized manufacturer focusing on Fresnel optical components, 30+ years in Fresnel optical manufacturing, supplying industrial and projection system clients worldwide.


This 4.45-inch Fresnel lens functions as a rear optical output layer, enabling controlled image field distribution in visual display systems.


  • Image field distribution directly affects perceived display quality.
  • Optical output layers determine how light reaches the viewer.


What is the function of a Fresnel lens in visual display systems?
It shapes how light exits the system, helping control the distribution of the image field across the display surface.

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 does “image field control” mean in display systems?
A: It refers to managing how light is distributed across the viewing area.

Q2: Why use acrylic Fresnel lenses in displays?
A: Acrylic provides stable optical transmission and consistent performance.

Q3: Where is this lens placed in a system?
A: It is typically positioned at the output stage of projection systems.

Q4: Can specifications be customized?
A: Yes, optical and dimensional parameters can be adjusted.




Advantages


Optical Functionality:

  • Positioned at the final stage of projection systems to shape outgoing light distribution
  • Regulates image field consistency across display surfaces
  • Groove profile controls directional spread of transmitted light
  • Acrylic material provides stable optical transmission with low absorption
  • Suitable for display systems requiring controlled visual output

Application Areas:

  • Visual display modules
  • Projection-based display systems
  • Digital viewing panels
  • Information display equipment

Manufacturing Capability:

  • Dedicated Fresnel optics production workflow
  • Internal tooling and replication capability
  • Stable production consistency
  • Custom optical parameter development supported
  • ISO9001 / ROHS / REACH compliant
  • Global supply for display and projection industries

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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