Display device with low scratch visibility and manufacturing...

Details Display device with low scratch visibility and manufacturing... Display device with low scratch visibility and manufacturing...

2011-06-14

2011-06-14

Healy, Brian M. (Department: 2883)

Liquid crystal cells, elements and systems

Particular structure

Particular illumination

C349S065000, C349S096000, C349S112000, C349S187000, C362S097300, C438S030000

Reexamination Certificate

active

07961270

ABSTRACT:
A display device and a manufacturing method thereof are provided. The display device includes a light guide, a light source, and a brightness enhancement film (BEF), and a dual brightness enhancement film (DBEF). The light guide has a first edge along a first direction and a second edge adjacent to the first edge corresponding to the light source. The BEF is disposed on the light guide and has a plurality of prisms along a second direction which rotates from 0 to 90 degrees with respect to the first direction. The DBEF has a transmission axis along a third direction which also rotates from 0 to 90 degrees with respect to the first direction.

REFERENCES:
patent: 6480248 (2002-11-01), Lee et al.
patent: 2009/0167981 (2009-07-01), Arai et al.

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