Optical unit, a method of manufacturing the same, a backlight assembly having the same and a display device having the same
First Claim
Patent Images
1. An optical unit comprising:
- a transparent body;
a diffusion part formed on or in the body to diffuse light; and
a luminance increasing part including an embossing pattern formed on the body to increase a luminance of the diffused light when viewed on a plane.
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Abstract
An optical unit, a method of manufacturing the same, a backlight assembly having the same and a display device have the same are provided. The optical unit includes a transparent body, a diffusion part and a luminance increasing part. The diffusion part is formed on or in the body to diffuse light. The luminance increasing part includes an embossing pattern formed on the body to increase a luminance of the diffused light when viewed on a plane.
32 Citations
26 Claims
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1. An optical unit comprising:
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a transparent body;
a diffusion part formed on or in the body to diffuse light; and
a luminance increasing part including an embossing pattern formed on the body to increase a luminance of the diffused light when viewed on a plane. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method of manufacturing an optical unit comprising:
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forming a diffusion part on or in a transparent plate including a polymer resin; and
forming a luminance increasing part including an embossing pattern on the transparent plate. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A backlight assembly comprising:
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a light source; and
an optical unit including;
a transparent body;
a diffusion part formed on or in the body to diffuse light generated from the light source; and
a luminance increasing part including an embossing pattern formed on the body to increase a luminance of the diffused light when viewed on a plane. - View Dependent Claims (23, 24, 25)
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26. A display device comprising:
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a display panel that displays an image based on uniform light; and
a backlight assembly supplying the display panel with the uniform light, the backlight assembly including;
a light source; and
an optical unit including a diffusion part having a porous medium to diffuse light generated from the light source, and a luminance increasing part including an embossing pattern formed on the diffusion part to increase a luminance of the diffused light when viewed on a plane to generate the uniform light.
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Specification