Optical assembly, backlight unit and display apparatus thereof
First Claim
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1. An optical assembly, comprising:
- a first layer;
a plurality of light sources disposed over the first layer;
a second layer that is disposed above the first layer and covering the plurality of light sources; and
a pattern layer disposed above or in the second layer,wherein the pattern layer includes a plurality of patterns, which are respectively corresponding to the plurality of light sources and are formed with a different material from the second layer by depositing, printing, or coating,each of the plurality of patterns corresponds to one of the plurality of light sources that is located closest to said each of the plurality of patterns,at least one of the light sources has a light emitting surface that faces a lateral direction and emits light to the side,a center of at least one of the patterns is disposed a predetermined distance from a center of the corresponding closest light source in the lateral direction, anda width of each of the plurality of patterns in the lateral direction is greater than a width of the corresponding closest light source in the lateral direction.
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Abstract
The present invention relates to an optical assembly, a backlight unit, and a display apparatus thereof. According to an embodiment of the present invention, an optical assembly includes a first layer, a plurality of light sources disposed over the first layer, a second layer that is disposed above the first layer and covering the plurality of light sources, and a pattern layer disposed above or in the second layer, wherein the pattern layer includes a plurality of patterns disposed at positions substantially corresponding to the light sources.
40 Citations
42 Claims
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1. An optical assembly, comprising:
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a first layer; a plurality of light sources disposed over the first layer; a second layer that is disposed above the first layer and covering the plurality of light sources; and a pattern layer disposed above or in the second layer, wherein the pattern layer includes a plurality of patterns, which are respectively corresponding to the plurality of light sources and are formed with a different material from the second layer by depositing, printing, or coating, each of the plurality of patterns corresponds to one of the plurality of light sources that is located closest to said each of the plurality of patterns, at least one of the light sources has a light emitting surface that faces a lateral direction and emits light to the side, a center of at least one of the patterns is disposed a predetermined distance from a center of the corresponding closest light source in the lateral direction, and a width of each of the plurality of patterns in the lateral direction is greater than a width of the corresponding closest light source in the lateral direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. An optical assembly, comprising:
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a first layer; a plurality of light sources disposed over the first layer; and a second layer disposed above the first layer and covering the plurality of light sources, the second layer including a plurality of patterns respectively corresponding to the plurality of light sources for selectively reflecting light emitted from the plurality of light sources, wherein each of the plurality of patterns corresponds to one of the plurality of light sources that is located closest to said each of the plurality of patterns, the plurality of patterns are formed by depositing, printing, or coating, at least one of the light sources has a light emitting surface that faces a lateral direction and emits light to the side, a center of at least one of the patterns is disposed a predetermined distance from a center of the corresponding closest light source in the lateral direction, and a width of each of the plurality of patterns in the lateral direction is greater than a width of the corresponding closest light source in the lateral direction. - View Dependent Claims (25, 26)
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27. A backlight unit, comprising:
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a substrate; a plurality of light sources mounted on the substrate; a reflection layer disposed on the substrate through the plurality of light sources; a transparent film disposed above the reflection layer; a resin layer formed between the reflection layer and the transparent film; and a plurality of reflection patterns formed on the transparent film to correspond to a position of each light source, wherein each reflection pattern is formed with a different material from the resin and by printing the transparent film with a plurality of dots, wherein a center of at least one reflection pattern is disposed a predetermined distance from a center of a corresponding closest light source in a lateral direction, and wherein a width of each of the plurality of reflection patterns in the lateral direction is greater than a width of the corresponding closest light source in the lateral direction. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34)
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35. A display apparatus, comprising:
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a display panel positioned above a backlight unit, wherein the backlight unit includes; a substrate; a plurality of light sources mounted on the substrate; a reflection layer disposed on the substrate through the plurality of light sources; a transparent film disposed above the reflection layer; a resin layer formed between the reflection layer and the transparent film; and a plurality of reflection patterns formed on the transparent film to correspond to a position of each light source, wherein each reflection pattern is formed with a different material from the resin and by printing the transparent film with a plurality of dots, wherein a center of at least one reflection pattern is disposed a predetermined distance from a center of a corresponding closest light source in a lateral direction, and wherein a width of each of the plurality of reflection patterns in the lateral direction is greater than a width of the corresponding closest light source in the lateral direction. - View Dependent Claims (36, 37, 38, 39, 40, 41, 42)
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Specification