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US 2006/0232995 A1Published application
Backlight system and LCD using the same
AssigneeAu Optronics Corporation
InventorsMeng-Chai Wu, Chin-Kun Hsieh
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Abstract
A backlight system and an LCD using the same are provided. The present backlight system is equipped with a light-source driving module and several light sources of different optimum working temperature ranges. Hence, according to the environmental temperature, appropriate light source(s) will be driven by the light-source driving module to maintain a constant light output of the backlight system.
Claims21
A backlight system, comprising:
- a light guide plate having an incidence surface;
- a first light source disposed adjacent to said incidence surface;
- a second light source disposed adjacent to said incidence surface;
- and
- a light-source driving module, wherein said first light source and said second light source are driven selectively by said light-source driving module according to an environmental temperature.
2 more elements
A liquid crystal display (LCD), comprising:
- an LCD panel;
- and
- a backlight system disposed adjacent to said LCD panel, wherein said backlight system comprises:
- a light guide plate having an incidence surface;
- a first light source disposed adjacent to said incidence surface;
- a second light source disposed adjacent to said incidence surface;
- and
- a light-source driving module wherein said first light source and said second light source are driven selectively by said light-source driving module according to an environmental temperature.
5 more elements
Dependencies are inferred from the claim text.