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WFT produces Tailored Micro-Diffusers (TMD®) with angles that range from 0.5deg to 80deg. TMD's are manufactured using surface relief micro-structures that are embossed from holographically recorded master tools. They allow an almost completely tailorable flux output pattern. Below are some characteristics of TMD's.
  • Microstructure Features (~10µm)
  • Tailored Field of View
  • Holographically Recorded Microstructured Masters
    • Centrally Symmetric Patterns
    • Elliptically Symmetric Patterns
    • Asymmetric Patterns
  • High Forward Scattering Efficiency (~90%+)
  • Environmentally Stable(-55° to 85° C)

TMD Production Video (mpg)


Our TMD® and UTMD product lines accomplish the purpose of traditional diffusers in direct lit and edge-lit Back Light Unit (BLU) systems. However, compared with conventional bead type diffusers, our TMD® in many cases provides the following advantages: higher brightness, better contrast and viewing angle, less thickness, less layers (such as elimination of diffuser plate and/or prism film)

TMD's can be easily replicated onto low-cost plastic films. In large quantities, roll-to-roll mass-production techniques ensure that WFT's TMD® costs to OEM manufacturers are well within the range of those for consumer product applications. For additional information regarding our TMD films please contact our sales department at information@wft.bz.

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