Reflection sheet and backlight unit employing the same

Details Reflection sheet and backlight unit employing the same Reflection sheet and backlight unit employing the same

2005-09-12

2010-12-14

Ton, Anabel M (Department: 2875)

Illumination

Edge lighted panel

Light modifier for edge lit light source

C362S341000, C362S097200, C428S156000

Reexamination Certificate

active

07850356

ABSTRACT:
Provided are a reflection sheet for a backlight unit including: a base sheet; and a flexible coating layer, formed on at least a surface of the base sheet, containing at least one flexible elastomeric bead selected from the group consisting of an elastomeric acrylic bead, an elastomeric nylon bead, and a microcapsule resin bead having a core charged with an air or an organic material, and a backlight unit for a liquid crystal display employing the reflection sheet. The reflection sheet may further include a metal reflection layer. The reflection sheet including the flexible coating layer exhibits excellent resistance to friction and impact. The reflection sheet including both the flexible coating layer and the metal reflection layer is excellent in specular reflectivity and brightness as well as in resistance to friction and impact. Therefore, the reflection sheet can be usefully applied to a light guide panel of a backlight unit having a weak surface hardness or requiring a surface protection due to a surface prism pattern.

REFERENCES:
patent: 6846579 (2005-01-01), Anderson et al.
patent: 7661832 (2010-02-01), Iwata et al.
patent: 2009/0067157 (2009-03-01), Cooper et al.
patent: 2001-201612 (2001-07-01), None
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patent: 10-2003-0025192 (2003-03-01), None
patent: 10-2004-0039222 (2004-05-01), None

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