BACKLIGHT DEVICE AND IMAGE DISPLAY DEVICE
First Claim
1. A backlight device comprising:
- a light guide plate having a rectangular shape;
light sources arranged on each of end surfaces of side surface portions formed of long and short sides of the light guide plate; and
mounting board having a long and thin shape and on which the light sources are mounted,wherein a plurality of mounting boards of a same type are arranged on the long and short sides, andthe plurality of mounting boards are continuously arranged corresponding to the entire area of the end surface of each side of the light guide plate, and at the same time, the mounting boards of any one of long and short sides are not arranged but a predetermined interval is formed at edge portions constituting points of contact between the long and short sides of the light guide plate.
1 Assignment
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Accused Products
Abstract
The backlight device includes: a light guide plate having a rectangular shape; LEDs arranged on end surfaces of side surface portions formed of long and short sides of the light guide plate; and LED board having a long and thin shape and on which the LEDs are mounted, wherein a plurality of LED boards of a same type are arranged on the long and short sides of the light guide plate, and the plurality of LED boards are continuously arranged corresponding to the entire area of the end surface of each side of the light guide plate, and at the same time, the LED boards of any one of long and short sides are not arranged but a predetermined interval is formed at an edge portion constituting a point of contact between the long and short sides of the light guide plate.
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Citations
9 Claims
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1. A backlight device comprising:
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a light guide plate having a rectangular shape; light sources arranged on each of end surfaces of side surface portions formed of long and short sides of the light guide plate; and mounting board having a long and thin shape and on which the light sources are mounted, wherein a plurality of mounting boards of a same type are arranged on the long and short sides, and the plurality of mounting boards are continuously arranged corresponding to the entire area of the end surface of each side of the light guide plate, and at the same time, the mounting boards of any one of long and short sides are not arranged but a predetermined interval is formed at edge portions constituting points of contact between the long and short sides of the light guide plate.
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2. A backlight device comprising:
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a light guide plate having a rectangular shape; light sources arranged on each of end surfaces of side surface portions including one long side and one or two short sides of the light guide plate; and mounting board having a long and thin shape and on which the light sources are mounted, wherein a plurality of mounting boards of a same type are arranged on the one long side and the one or two short sides, and the plurality of mounting boards are continuously arranged corresponding to the entire side length area of the one long side. - View Dependent Claims (3, 4, 5)
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6. A backlight device comprising:
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a light guide plate having a rectangular shape; light sources arranged on each of end surfaces of side surface portions including one short side and one or two long sides of the light guide plate; and mounting board having a long and thin shape and on which the light sources are mounted, wherein a plurality of mounting boards of a same type are arranged on the one short side and the one or two long sides, and the plurality of mounting boards are continuously arranged corresponding to the entire side length area of the one short side. - View Dependent Claims (7, 8, 9)
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Specification