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Glare reducing glazing articles

A technology for products and windows, applied in the field of window products and units that reduce glare, and can solve problems such as blocking incident light

Active Publication Date: 2013-07-31
3M INNOVATIVE PROPERTIES CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Many of these techniques, such as using curtains, shades, hanging curtains or blinds, may not be advisable because all incoming light is blocked

Method used

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  • Glare reducing glazing articles
  • Glare reducing glazing articles
  • Glare reducing glazing articles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0088] Embodiment 2 is the article of embodiment 1, wherein the reflective polarizing film comprises a multilayer construction.

Embodiment 3

[0089] Embodiment 3 is the article of embodiment 2, wherein the multilayer construct comprises a multilayer film.

Embodiment 4

[0090] Embodiment 4 is the article of any one of embodiments 1-3, wherein the reflection inhibiting layer comprises a dyed layer.

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PUM

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Abstract

Glazing articles that reduce glare include a glazing substrate, and a reflective polarizing film article attached to the glazing substrate. The reflective polarizing film article includes a reflective polarizing film, and a reflection inhibitor layer. The reflective polarizing film articles reduce transmission of polarized light with a polarization block axis that is horizontal, and reduce horizontally polarized light to 90% or less of the horizontally polarized incident visible light. The reflective polarizing film may include a multi-layer film construction. The reflection inhibitor layer may include a tinted layer or an absorptive polarizer layer. Glazing units that reduce glare include at least one glazing substrate, at least one reflective polarizing film, and at least one reflection inhibitor layer. The glazing substrate, reflective polarizing film, and reflection inhibitor layer may or may not be in contact with one another.

Description

technical field [0001] The present invention relates to glazing articles, particularly glazing reducing glazing articles and units. Background technique [0002] Various techniques can be used to reduce glare from incident light through glazing, such as windows. Many of these techniques, such as using curtains, shades, hanging curtains or blinds, may not be advisable because all incoming light is blocked. Therefore, artificial lighting will be required in a room, hallway, or other area of ​​a house, office, or other building if the windows are covered to reduce glare. Not only is artificial lighting less aesthetically appealing, but it requires energy, thereby increasing the energy use of the home or building. Contents of the invention [0003] The present invention encompasses glare-reducing glazing articles and units. The glazing articles disclosed herein comprise a glazing substrate and a reflective polarizing film article attached to the glazing substrate. The refl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B5/30G02B5/08G02B1/11
CPCB32B17/064E06B3/00G02B27/281B32B17/00E06B9/00B32B17/10G02B5/30G02B5/08G02B1/11G02B5/3041
Inventor B·T·奇恩刘宇锋K·J·德克斯R·帕迪亚斯S·J·斯特劳斯
Owner 3M INNOVATIVE PROPERTIES CO