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US 8,264,634 B2Granted
Backlight unit and liquid crystal display device having the same
AssigneeLG Display Co., Ltd.
InventorHyoung Je Cho
Life of this patent
Estimating the term…
Abstract
A backlight unit that is designed to fix a light guide plate without using separate pads is provided. The backlight unit includes at least one light source, a light guide plate provided in parallel to the light source, a support main enclosing the light guide plate, and a plurality of fixing protrusions that are formed on an inner edge of the support main to fix the light guide plate.
Claims13
A backlight unit comprising:
- at least one light source;
- a light guide plate provided in parallel to the light source;
- a plurality of optical sheets disposed on the light guide plate;
- a support main enclosing the light guide plate;
- and
- a plurality of fixing protrusions that are formed on an inner edge of the support main to fix the light guide plate,
- wherein the support main and the fixing protrusions are formed in one body,
- wherein the fixing protrusions are protruded from a lower surface of the support main in a downward direction,
- wherein the fixing protrusions are directly contacted with an upper surface of the light guide plate, and
- wherein the lower surface of the support main is directly contacted with a part of an upper surface of the optical sheets, and a plurality of inside surfaces of the support main are directly contacted with a plurality of edge surfaces of the light guide plate.
7 more elements
A liquid crystal display device comprising:
- a liquid crystal display panel;
- a light source emitting light toward the liquid crystal display panel;
- a light guide plate provided in parallel to the light source;
- a plurality of optical sheets disposed on the light guide plate;
- a support main enclosing the light guide plate;
- and
- a plurality of fixing protrusions that are integrally formed on an inner edge of the support main to fix the light guide plate,
- wherein the support main and the fixing protrusions are formed in one body,
- wherein the fixing protrusions are protruded from a lower surface of the support main in a downward direction,
- wherein the fixing protrusions are directly contacted with an upper surface of the light guide plate, and
- wherein the lower surface of the support main is directly contacted with a part of an upper surface of the optical sheets, and a plurality of inside surfaces of the support main is directly contacted with a plurality of edge surfaces of the light guide plate.
8 more elements
Dependencies are inferred from the claim text.