LIQUID CRYSTAL DISPLAY DEVICE AND BACK LIGHT DEVICE

摘要

PROBLEM TO BE SOLVED: To supply the display light emitted from a light source block in a uniform state to a liquid crystal panel.

SOLUTION: The display light emitted from an LED 12 of the light source block 11 is supplied to a transmission type liquid crystal panel 5 in a uniform state by an optical sheet block 10. A diffusion light guide plate 14, diffusion plate 15 and reflection plate 16 of the optical sheet block 10 are positioned relatively to each other by a plurality of optical stud members 17 attached to a back panel 9 and are held by regulating opposed interval.

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