BFM / 3M / Vikuiti BEF II 90/50 / 14 ×18 in / horizontal

Prismatic film redirects off-axis backlight toward the viewing direction. Prism apex 90° and pitch 50 µm. Published thickness differs by document revision; confirm the supplied construction.

Manufacturer family illustration from technical guidance; not a photograph of the supplied cut part.

Embalaje
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$ 0,00
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Unidades
- Unidades
- Paquete de 6
- Docenas

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Terms and Conditions

Referencia interna: BFM-3008-00

Application and configuration

Brightness and viewing-angle control

Prismatic film redirects light toward useful viewing angles. Its effect depends on the light guide, diffuser, reflector and LCD. Crossed sheets can control both axes; evaluate luminance, viewing angle and moiré in the assembled display.

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 BEF guide 2010 — maintained PDF

Request grade-specific technical data

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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