Light guide plate with transmittance enhancement layer and backlight system using same
First Claim
Patent Images
1. A light guide plate, comprising:
- a transparent plate having a light emitting surface and a light incidence surface opposite to the light emitting surface; and
a light transmittance enhancement layer provided on either the light emitting surface or the light incidence surface;
wherein the light transmittance enhancement layer is made of silicon dioxide or magnesium fluoride, and a thickness of the light transmittance enhancement layer is in the range from 58˜
69 nanometers.
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Abstract
A backlight system has a light guide plate. The light guide plate includes a transparent plate having a light incidence surface and an opposite light emitting surface, and a light transmittance enhancement layer. The light transmittance enhancement layer is provided on either or both of the light emitting surface and the light incidence surface, and is made of silicon dioxide or magnesium fluoride. The thickness of the light transmittance enhancement layer is in the range from 58˜69 nanometers.
13 Citations
17 Claims
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1. A light guide plate, comprising:
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a transparent plate having a light emitting surface and a light incidence surface opposite to the light emitting surface; and a light transmittance enhancement layer provided on either the light emitting surface or the light incidence surface; wherein the light transmittance enhancement layer is made of silicon dioxide or magnesium fluoride, and a thickness of the light transmittance enhancement layer is in the range from 58˜
69 nanometers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A backlight system comprising:
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a light guide plate including; a transparent plate having a light emitting surface and a light incidence surface opposite to the light emitting surface; and at least one light transmittance enhancement layer provided on at least one of the light emitting surface and the light incidence surface; wherein said light transmittance enhancement layer is made of silicon dioxide or magnesium fluoride, and a thickness of said light transmittance enhancement layer is in the range from 58˜
69 nanometers; anda light source located adjacent the light incidence surface of the transparent plate.
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13. A method for manufacturing a light guide member, comprising the steps of:
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providing a light-transmittable base to form a main body of said light guide member; and forming a layer made of material for enhancement to light transmittance of said base on at least one side of said base, wherein a thickness of said layer is in the range from 58˜
69 nanometers. - View Dependent Claims (14, 15, 16, 17)
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Specification