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US 2010/0149454 A1Published application
Backlight module with lamp end covers and liquid crystal display device using same
AssigneesInnocom Technology (Shenzhen) Co., Ltd., Innolux Display Corp.
InventorsXiao-Hong Jing, Chien-Chung Fang
Life of this patent
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Abstract
An exemplary backlight module includes a frame including a light-emitting opening, light tubes accommodated in the frame and disposed corresponding to the light-emitting opening, and covers. Each light tube includes a bent portion, and the covers are fitted on the corresponding bent portions of the light tubes. A liquid crystal display device using the backlight module is also provided.
Claims20
A backlight module, comprising:
- a frame comprising a light-emitting opening;
- a plurality of light tubes accommodated in the frame and disposed corresponding to the light-emitting opening, each light tube comprising at least one bent portion;
- and
- a plurality of covers, each of the covers fitted on a corresponding one of the bent portions.
1 more element
A backlight module, comprising:
- a frame comprising a light-emitting opening divided into a first area and a second area;
- a plurality of light tubes accommodated in the frame, each light tube comprising at least one bent portion and at least two straight portions;
- and
- a plurality of covers;
- wherein the first area corresponds to the bent portions, the second area corresponds to the straight portions, the plurality of covers are disposed at the first area, the plurality of covers are fitted on the corresponding bent portions of the plurality of light tubes, and the plurality of covers provide at least one light transmission path at the first area;
- and
- the plurality of covers are configured to provide the following characteristics of light transmission:
- light beams emitted from the bent portions of the plurality of light tubes have a selected one of the following characteristics of light transmission:
- all the light beams emitted from the bent portions are blocked by the plurality of covers and do not transmit through the at least one light transmission path;
- some of the light beams emitted from the bent portions transmit through the at least one light transmission path to an outside of the light-emitting opening;
- and
- some of light beams emitted from the straight portions transmit through the at least one light transmission path to the outside of the light-emitting opening.
9 more elements
A liquid crystal display device, comprising:
- a liquid crystal panel;
- and
- a backlight module disposed adjacent to the liquid crystal panel, the backlight module comprising:
- a frame comprising a light-emitting opening divided into a first area and a second area;
- a plurality of light tubes accommodated in the frame, each light tube comprising at least one bent portion and at least two straight portions;
- and
- at least one cover;
- wherein the first area corresponds to the bent portions, the second area corresponds to the straight portions, the plurality of covers are disposed at the first area, the plurality of covers are fitted on the corresponding bent portions of the plurality of light tubes, and the plurality of covers provide at least one light transmission path at the first area;
- and
- the plurality of covers are configured to provide the following characteristics of light transmission:
- light beams emitted from the bent portions of the plurality of light tubes have a selected one of the following characteristics of light transmission:
- all the light beams emitted from the bent portions are blocked by the plurality of covers and do not transmit through the at least one light transmission path;
- and
- some of the light beams emitted from the bent portions transmit through the at least one light transmission path to an outside of the light-emitting opening;
- and
- some of light beams emitted from the straight portions transmit through the at least one light transmission path to the outside of the light-emitting opening.
13 more elements
Dependencies are inferred from the claim text.