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3M Optical Systems
DBEF, more P1 light is available to be transmitted through the LCD, increasing on-axis illuminance by up to 60% for a slab backlight and up to 97% for a wedge light guide.
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3M™ Dual Brightness Enhancement Film (DBEF) – QV2 w ...
When used in an LCD backlight, DBEF improves brightness, contrast, and off axis color shift. Once laminated to the back of the LCD, it is o of the brightest reflective polarizer film solutions and can be used for higher temperature display applications. 3M DBEF film can be used alone or combined with other 3M™ Display Enhancement Films for
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Display Enhancement Films - Optical Filters
DBEF increases both brightness and the amount of light available over the entire LCD. DBEF is available in different configurations that can be useful for specific application needs. DBEF can also be used in conjunction with BEF and ESR.
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3M Display Materials & Systems Division Technical Data ...
(3M™ DBEF) Product Description 3M™ Dual Brightness Enhancement Films (DBEF) manage the polarization output of light from liquid crystal display backlights. DBEF recycles light that would normally be absorbed by the rear polarizer. This increases the amount of light available for viewing the display. Construction/Performance
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3M Dual Brightness Enhancement Films 3M DBEF Tech Data …
(DBEF) manage the polarization output of light from liquid crystal display backlights. 3M DBEF recycles light that would normally be absorbed by the rear polarizer. This increases the amount of light available for viewing the display. Construction/Performance Product 3M DBEF-D2-280 Auto 3M DBEF-D2-400 Auto 3M ARP-260 3M ARP-320
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3M Display Materials & Systems Division Solutions for ...
LCD Panel Diffuser. Low Sparkle – High Brightness 3M BEF. 3M DBEF ULF-400 White Reflector. Light Guide Plate LCD Panel. Thin Solution 3M DBEF QvX. 3M BEF White Reflector. Light Guide Plate LCD Panel. Color Solution 3M DBEF D4-400. 3M BEF 3M QDEF. White Reflector Light Guide Plate. LCD Panel HCG Thin Solution. 3M DBEF QvX 3M BEF. 3M QDEF White ...
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About 3M Display Solutions | 3M US
2006: 3M DBEF-D introduced for LCD TVs. It enabled form factor expansion for LCD TVs, along with light and power efficiency, thermal management, and cost reduction. It enabled form factor expansion for LCD TVs, along with light and power efficiency, thermal management, and cost reduction.
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(PDF) Design Optimization of Reflective Polarizers for LCD ...
Current LCD design has about 5-7% transmittance in white state without DBEF 3M (double brightness enhancing film) and up to 10-14% with DBEF film. We presented design, which can further increase ...
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What can DBEF 2 do for your display?
DBEF II can improve display efficiency, uniformity and defect hiding, and has the ability to prevent wet-out against smooth surfaces. DBEF II also allows you to eliminate a diffuser sheet and thus provides multifunctionality.
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How does 3M DBEF QV2 improve display performance?
3M DBEF QV2 with adhesive allows one polarization of light to pass and the other reflected light is recycled in the backlight to boost display performance, increase end user viewing experience by improving front of the screen performance, and reducing the energy required to drive the backlight.
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How does vikuiti light enhancement film ( DBEF ) work?
Vikuiti™Dual Brightness Enhancement Film (DBEF) is a thin film reflective polarizer that increases brightness over the entire LCD viewing range. It can increase on-axis illuminance up to 60% in slab light guide displays and up to 97% in wedge light guide displays.
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How does DBEF work on a liquid crystal panel?
DBEF is a multilayer, reflective polarizer. DBEF polarizes the backlights output so that it can transmit through the liquid crystal panel. Light of the wrong polarization is recycled into the backlight. The recycled light would normally be absorbed, and lost, by the rear polarizer of the liquid crystal panel.
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