Light guide plate and backlight module including same

US9028124B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9028124-B2
Application numberUS-201313792164-A
CountryUS
Kind codeB2
Filing dateMar 10, 2013
Priority dateJan 20, 2013
Publication dateMay 12, 2015
Grant dateMay 12, 2015

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  5. First independent claim

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Abstract

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A backlight module includes a light guide plate and a number of light sources. The light guide plate includes a frosted light incident surface, diffusion structures positioned on the frosted light incident surface, and dot-shaped micro-recesses positioned on the diffusion structures. The light sources face the frosted light incident surface.

First claim

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What is claimed is: 1. A backlight module comprising: a light guide plate comprising: a frosted light incident surface; a plurality of diffusion structures positioned on the frosted light incident surface; and a plurality of dot-shaped micro-recesses positioned on the diffusion structures; and a plurality of light sources facing the frosted light incident surface. 2. The backlight module of claim 1 , wherein the dot-shaped micro-recesses are random…

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What does patent US9028124B2 cover?
A backlight module includes a light guide plate and a number of light sources. The light guide plate includes a frosted light incident surface, diffusion structures positioned on the frosted light incident surface, and dot-shaped micro-recesses positioned on the diffusion structures. The light sources face the frosted light incident surface.
Who is the assignee on this patent?
Hon Hai Prec Ind Co Ltd
What technology area does this patent fall under?
Primary CPC classification G02B6/0016. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue May 12 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).