Jungbecker De-glaring Optics Product Portfolio

Microstructured acrylic for high-angle glare cutoff

CDP

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Conical De-glaring Prism

Conical De-Glaring Prism (CDP) provides outstanding smooth de-glaring performance. The prisms have a geometric cone structure that presents a numerical algorithm. The key features of CDP are its high efficiency and colorless appearance. Some other properties include:

  • High transparency micro-structured prism sheet
  • Unique and homogenous glare reduction
  • Suppresses high-angle light above 65° to reduce visual glare while increasing on-axis light (“gain”)
  • Enables luminaires to comply with EN12464 glare specifications

This sheet offers excellent solutions for the following applications:

  • Lighting applications with UGR < 19
  • Illumination of workstations

CDP 15

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Conical De-Glaring Prism 15° (CDP15) combines the de-glaring properties of a cone structure with the asymmetric deflection of passing light rays. The 15° tilt of the cones support asymmetric illumination of floor standing and pending luminaires. Some other properties include:

  • Highly transparent asymmetrical micro-structured prism sheet
  • Unique and homogenous glare reduction
  • Highest possible efficiency

This sheet offers excellent solutions for the following applications:

  • Asymmetrical lighting applications with UGR < 19
  • Floor standing and pending luminaires with asymmetrical light

DDP

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Delta De-Glaring Prism (DDP) offers a thinner 2 mm product with an outstanding de-glaring performance. This reduced height and weight allows for slimmer lighting solutions. Some other properties include:

  • Almost identical mechanical stability as 3 mm CDP due to concave structures and continuous cell connectors
  • Highest possible efficiency of light
  • Suppresses high-angle light above 65° to reduce visual glare while increasing on-axis light (“gain”)
  • Enables luminaires to comply with EN12464 glare specifications

This sheet offers excellent solutions for the following applications:

  • Lighting applications with UGR < 19
  • Illumination of workstations

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ADP

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Asymmetrical De-Glaring Prism (ADP) is a special application of Linear De-glaring Prism (LDP). These prisms are asymmetrical with a one-sided perpendicular edge. Parallel light is deflected asymmetrically, which enables direct illumination of objects and surfaces. Some other properties include:

  • Highly transparent asymmetrical micro-structured prism sheet
  • Parallel/collimated light is deflected at 20°

This sheet offers excellent solutions for the following applications:

  • Lighting applications with UGR < 19
  • Illumination of workstations

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LGP

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Light Guiding Prismatic Plate (LGP) decouples light that is fed into the sheet from the edges across the surface. This is done using integrated prismatic optics. The optical structure does not act as a diffusor but rather, uses total internal reflection and refraction of the microprisms. The direct part of the light is also de-glared. Some other properties include:

  • 40% of light is indirect, in a batwing profile
  • 60% of light is downlight, de-glared
  • Homogenous light output for a panel width of 300 mm (LEDs single sided) or for a panel width of 600 mm (LEDs double sided)
  • Efficiency up to 85%
  • Transparent look when not lit

This sheet offers excellent solutions for the following applications:

  • Ultra-thin fixture profiles

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LP90

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Linear Prism 90°

  • High transparency 90° microstructured prism sheet
  • Total deflection of perpendicular light, cut-off direct sunlight (sun protection)
  • One axis beam splitting in luminaires (batwing distribution)

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Fabrication

The recommended fabrication methods for Jungbecker Optics are Circular saw cutting (edge polishing required in a 2nd step) and Laser cutting. It is important for the laser to have 360° suction, which means the air, smoke, and dust should be extracted from under and over the sheets. Jungbecker Optics can be thermoformed according to customer specifications, however there are limitations to the curvature that can be achieved. Please consult with Roehm if interested in forming a specific part.