Backlight module with nano-material light coupling layer

Details Backlight module with nano-material light coupling layer Backlight module with nano-material light coupling layer

2005-10-31

2008-07-01

Negron, Ismael (Department: 2885)

Illumination

Edge lighted panel

Light guide

C362S626000, C362S617000, C362S623000, C349S065000, C385S129000, C385S901000

Reexamination Certificate

active

07393132

ABSTRACT:
A backlight module (10) includes a flat cold cathode fluorescent lamp (CCFL) (30) having an output interface, and a light guiding plate (20). The output interface has a nano-material layer coated thereon. The light guiding plate includes an incidence interface (21), an emission interface (23), and a reflection interface (22), wherein the emission interface and the reflection interface respectively have nano-sized V-shaped grooves provided thereat. A pitch of the V-shaped grooves of the emission interface gradually increases from the incidence interface to a side of the light guiding plate distal from the incidence interface, and a pitch of the V-shaped grooves of the reflection interface gradually increases from the incidence interface to the side of the light guiding plate distal from the incidence interface.

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