Liquid crystal display module

Details Liquid crystal display module Liquid crystal display module

2007-10-09

2007-10-09

Duong, Thoi V. (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Particular illumination

C362S615000

Reexamination Certificate

active

10139757

ABSTRACT:
Disclosed is a liquid crystal display module having a reduced thickness thereof. A light exit surface of a light guiding plate for converting a linear light source output from the lamp in the form of planar light source is non-planarized with a plurality of convex portions having a desired height. A prism sheet for controlling a path of the light output from the light guiding plate is laid on the light guiding plate, as being opposite the plurality of convex portions. Accordingly, it is possible to uniformly control the brightness distribution of the light output from the light guiding plate without providing a separate diffusing plate between the light guiding plate and the prism sheet. In addition, since the plurality of convex portions which are formed integrally with the light guiding plate directly faces the prism sheet, adherence between the light guiding plate and the prism sheet can be prevented. Therefore, the diffusing plate can be eliminated from the liquid crystal display module, thereby reducing the number of components, and thus minimizing the thickness of the liquid crystal display module.

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