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  3. Backlight Films
  4. BFM / 3M / ESR 65 / Material Reference
  5. Backlight Films
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BFM / 3M / ESR 65 / Material Reference

BFM / 3M / ESR 65 / Material Reference

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Non-metallic multilayer reflector for a backlight recycling cavity. Published caliper 65 ±4 µm and minimum reflectivity 98%. Confirm the specified wavelength range and interfaces.

Representative illustration; configuration and dimensions are defined by the application drawing.

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Terms and Conditions

Internal Reference: BFM-03032-00

Application and configuration

Light recycling

Reflector materials return stray light to the backlight cavity. Specular and diffuse constructions redistribute light differently; select the surface and reflectance spectrum to suit the light guide, LED spacing and required uniformity.

Cut-part drawing and orientation

Define the cut outline, usable aperture, thickness, tabs, notches, corner radii and tolerances. Identify prism direction or transmission axis, structured/coated face, liner handling and a physical orientation datum. A 0° or 45° catalog reference must be tied to the drawing datum.

Backlight development and repair

Use the material in a custom optical stack or evaluate it against the original film in an existing backlight. Review luminance, uniformity, viewing angle, polarization, color and temperature behavior. Repair acceptance is based on the assembled display and agreed requirements; a similar gauge or family name does not establish equivalence.

From reference to a controlled part

Start with the application and available space. Develop a drawing with custom dimensions and performance specifications, review the proposed configuration, and evaluate samples where needed. Record the approved drawing revision and acceptance criteria for the supplied part. Availability and final configuration are confirmed during quotation.

Technical documents

3M ESR 2021 — maintained PDF

Review the document revision and exact grade or ordering code. Family guidance may describe a different construction; final limits belong to the selected part specification.

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