Circuit board, backlight unit and liquid crystal display device with the same
AssigneeLG Electronics Inc.
InventorsTaegu Kang, Mangeun Kim, Hyouk Kwon
Life of this patent
Estimating the term…
Abstract
The present invention relates to a device which comprises a light source of a light emitting device, and more particularly to a circuit board, a backlight unit and a liquid crystal display device with the same. The backlight unit comprises a circuit board having a first line with circuit lines provided thereto, a plurality of second lines connected to the first line each to have elasticity at least at a point connected to the first line, and a light emitting device mounting portion connected to the second line and electrically connected to the circuit line, and a light guide plate positioned on the circuit board.
Claims18
A backlight unit comprising:
- a plurality of circuit boards arranged on a plane, wherein the circuit boards are separately arranged on the plane, each of the plurality of circuit boards comprising:
- a first line arranged in a first direction, the first line having circuit lines provided thereto,
- a plurality of second lines branched from the first line in a second direction, and
- a plurality of light emitting device mounting portions connected in parallel, each light emitting device mounting portion connected to an end of one of the second lines, wherein the light emitting device mounting portion comprises a connection portion, and the second lines are bendable from the first line;
- a plurality of light emitting devices mounted on the light emitting device mounting portion;
- and
- a light guide plate on the plurality of circuit boards,
- wherein the light guide plate is connected with at least a portion of the circuit boards.
A liquid crystal display device, comprising:
- a backlight unit comprising a plurality of circuit boards arranged on a plane, wherein the circuit boards are separately arranged on the plane, each of the circuit boards comprising a first line arranged in a first direction, the first line having circuit lines provided thereto, a plurality of second lines branched from each first line in a second direction, and a plurality of light emitting device mounting portions connected in parallel, each light emitting device mounting portion connected to an end of one of the second lines, wherein the light emitting device mounting portion comprises a connecting portion
- a plurality of light emitting devices mounted on the light emitting device mounting portion;
- and
- a light guide plate on the plurality of circuit boards, wherein the light guide plate is connected with at least a portion of the circuit boards, and the second lines are bendable in a direction of the first line;
- and
- a liquid crystal panel positioned on the backlight unit.
A backlight unit comprising:
- a plurality of circuit boards arranged on a plane, wherein the circuit boards are separately arranged on the plane, each of the plurality of circuit boards comprising:
- a first line arranged in a first direction, the first line having circuit lines provided thereto,
- a plurality of second lines branched from the first line in a second direction,
- a light emitting device mounting portion connected to an end of the second lines, wherein the light emitting device mounting portion comprises a connection portion, and the second lines are bendable from the first line;
- a plurality of light emitting devices mounted on the light emitting device mounting portion;
- and
- a light guide plate on the plurality of circuit boards,
- a plurality of light emitting devices mounted on the light emitting device mounting portion;
- and
- a light guide plate on the plurality of circuit boards,
- wherein the light guide plate is connected with at least a portion of the circuit boards, and
- wherein the first line has a width which becomes gradually smaller as the first line goes farther in one direction.
Dependencies are inferred from the claim text.