LIGHT SOURCE DEVICE
First Claim
Patent Images
1. A light source device comprising:
- a light guide plate;
a reflector disposed under the light guide plate;
a light source unit optically coupled to the light guide plate; and
a photo luminescent film disposed between the light guide plate and the light source unit, wherein the photo luminescent film comprises at least two partitioned areas, and wherein a first fluorescent material comprised in at least one area of the at least two areas is different from a second fluorescent material comprised in the other areas.
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Abstract
Disclosed is a light source device. The light source device includes:
- a light guide plate;
- a reflector disposed under the light guide plate;
- a light source unit optically coupled to the light guide plate; and
- a photo luminescent film disposed between the light guide plate and the light source unit, wherein the photo luminescent film includes at least two partitioned areas, and wherein a first fluorescent material included in at least one area of the at least two areas is different from a second fluorescent material included in the other areas.
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Citations
20 Claims
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1. A light source device comprising:
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a light guide plate; a reflector disposed under the light guide plate; a light source unit optically coupled to the light guide plate; and a photo luminescent film disposed between the light guide plate and the light source unit, wherein the photo luminescent film comprises at least two partitioned areas, and wherein a first fluorescent material comprised in at least one area of the at least two areas is different from a second fluorescent material comprised in the other areas. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A light source device comprising:
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a light guide plate; a reflector disposed under the light guide plate; a plurality of light emitting devices optically coupled to the light guide plate; and a photo luminescent film disposed between the light guide plate and the light source unit, wherein the plurality of light emitting devices comprise a warm white LED emitting a correlated color temperature within a range between 2,000 K and 3,000 K, and comprise a cool white LED emitting a correlated color temperature within a range between 5,500 K and 6,500 K, and wherein the warm white LED and the cool white LED are disposed in the longitudinal direction of the photo luminescent film. - View Dependent Claims (17, 18)
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19. A light source device comprising:
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a light guide plate; a light source unit optically coupled to a side of the light guide plate; and a photo luminescent film converting a wavelength of light emitted from the light source unit and emitting the light to the light guide plate, wherein a first fluorescent material and a second fluorescent material different from the first fluorescent material are partitioned and randomly arranged in the photo luminescent film in the longitudinal direction of the photo luminescent film. - View Dependent Claims (20)
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Specification