Liquid crystal display device
View Patent ↗A backlight for a display device and a display device including the backlight are disclosed. The backlight includes a light guide plate; a light emitting diode substrate; a frame member; and a plurality of adhesive materials spaced apart from each other. The light emitting diode substrate includes a substrate; and a plurality of light emitting diodes fixed to the substrate. The plurality of light emitting diodes are oriented to face a side surface of the light guide plate. A frame member is disposed facing a surface of the substrate that is opposite the plurality of light emitting diodes. In a side sectional view, the plurality of adhesive materials is spaced apart from each other along a length direction of the frame member. The length direction corresponds to a major dimension of the frame member.
1. A backlight for a display device, comprising:
a light guide plate;
a light emitting diode substrate, including:
a substrate; and
a plurality of light emitting diodes fixed to the substrate, the plurality of light emitting diodes being oriented to face a side surface of the light guide plate;
a frame member disposed facing a surface of the substrate that is opposite the plurality of light emitting diodes;
in a side sectional view, a plurality of adhesive materials spaced apart from each other along a length direction of the frame member, the length direction corresponding to a major dimension of the frame member; and
a thermally conductive material disposed between the substrate and the frame member,
wherein a thermal conductivity of the thermally conductive material is relatively larger than a thermal conductivity of the plurality of adhesive materials.
2. The backlight of claim 1 , wherein the frame member includes a plurality of protrusions extending toward the light emitting diode substrate, and in the side sectional view, each of the plurality of adhesive materials is disposed in a location between the plurality of protrusions.
3. The backlight of claim 1 , wherein the adhesive material is formed of a single sheet having a plurality of openings spaced along a length direction of the single sheet.
4. The backlight of claim 3 , wherein the thermally conductive material is disposed in one or more of the plurality of openings.
5. The backlight of claim 3 , wherein the plurality of openings each include a geometry that is one of square, rectangular, circular, and elliptical.
6. The backlight of claim 1 , wherein in a plan view the plurality of adhesive materials are spaced apart from each other along the length direction of the frame member.
7. The backlight of claim 6 , wherein each of the plurality of adhesive materials includes a geometry that is one of square, rectangular, circular, and elliptical.
8. The backlight of claim 1 , wherein the thermally conductive material is disposed between the plurality of adhesive materials and the frame member.
9. A display device, comprising:
a liquid crystal display panel; and
a backlight, the backlight including:
a light guide plate;
a light emitting diode substrate, including:
a substrate; and
a plurality of light emitting diodes fixed to the substrate, the plurality of light emitting diodes being oriented to face a side surface of the light guide plate;
a frame member disposed facing a surface of the substrate that is opposite the plurality of light emitting diodes,
in a side sectional view, a plurality of adhesive materials spaced apart from each other along a length direction of the frame member, the length direction corresponding to a major dimension of the frame member; and
a thermally conductive material disposed between the substrate and the frame member,
wherein a thermal conductivity of the thermally conductive material is relatively larger than a thermal conductivity of the plurality of adhesive materials.
10. The display device of claim 9 , wherein the frame member includes a plurality of protrusions extending toward the light emitting diode substrate, and in the side sectional view, each of the plurality of adhesive materials is disposed in a location between the plurality of protrusions.
11. The display device of claim 9 , wherein the plurality of adhesive materials are formed of a single sheet having a plurality of openings spaced along a length of the single sheet.
12. The display device of claim 11 , wherein the thermally conductive material is disposed in one or more of the plurality of openings.
13. The display device of claim 11 , wherein the plurality of openings each include a geometry that is one of square, rectangular, circular, and elliptical.
14. The display device of claim 9 , wherein in a plan view, the plurality of adhesive materials are spaced apart from each other along the length direction of the frame member.
15. The display device of claim 14 , wherein each of the plurality of adhesive materials includes a geometry that is one of square, rectangular, circular, and elliptical.
16. The display device of claim 9 , wherein the thermally conductive material is disposed between the plurality of adhesive materials and the frame member.
17. A backlight for a display device, comprising:
a light guide plate;
a light emitting diode substrate, including:
a substrate; and
a plurality of light emitting diodes fixed to the substrate, the plurality of light emitting diodes being oriented to face a side surface of the light guide plate;
a frame member disposed facing a surface of the substrate that is opposite the plurality of light emitting diodes, and
in a side sectional view, a plurality of adhesive materials being spaced apart from each other along a length direction of the frame member, the length direction corresponding to a major dimension of the frame member,
wherein the frame member includes a plurality of protrusions extending toward the light emitting diode substrate, and in the side sectional view, each of the plurality of adhesive materials is disposed in a location between the plurality of protrusions.