Backlight device and liquid crystal display device
First Claim
1. A backlight device comprising:
- a plurality of LED arrays each comprised of a plurality of LEDs connected in series; and
a substrate having a plurality of rows that are constructed by mounting the plurality of LEDs straight-wise,wherein between two LEDs provided as components of one of the plurality of LED arrays and mounted in a predetermined row of the plurality of rows, at least one LED as a component of another LED array is mounted with the two LEDs in the predetermined row.
1 Assignment
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Accused Products
Abstract
In order to control light emission of light emitting diodes, current dividing circuits are used to supply currents of a substantially fixed level to all lines. Light emitting diodes are arranged in groups of a predetermined number of LEDs in series, and sets of the light emitting diodes connected to the first line and sets of the light emitting diodes connected to the second line are laid out on the same straight line so as to form a single row. Substrates with these formed thereon are arranged adjacent to each other in the direction of the rows, so that sets of the light emitting diodes connected to the first line and sets of the light emitting diodes connected to the second line are arranged alternately. With this configuration, it is possible to provide a backlight device with a plurality of LED arrays arranged thereon, which can uniformly illuminate the entire screen with light from the LED arrays.
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Citations
13 Claims
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1. A backlight device comprising:
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a plurality of LED arrays each comprised of a plurality of LEDs connected in series; and a substrate having a plurality of rows that are constructed by mounting the plurality of LEDs straight-wise, wherein between two LEDs provided as components of one of the plurality of LED arrays and mounted in a predetermined row of the plurality of rows, at least one LED as a component of another LED array is mounted with the two LEDs in the predetermined row. - View Dependent Claims (2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13)
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7. A backlight device comprising:
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an LED array comprised of a plurality of LEDs connected in series; and a substrate having a plurality of rows that are constructed by mounting the plurality of LEDs straight-wise; and a turnaround portion for forming serial connection between the LEDs that are mounted at the ends of two predetermined rows, wherein an LED that belongs to an array on the other side of the LED array with respect to the turnaround portion is sandwiched between two LEDs that belong to an array on one side of the LED array with respect to the turnaround portion and are mounted to one of the rows, and is mounted to the same row as the two LEDs.
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Specification