LED back light module and liquid crystal display device
AssigneeShenzhen China Star Optoelectronics Technology Co., Ltd.
InventorEric Yu
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Abstract
The present invention discloses a LED back light module and a LCD device, wherein the LED back light module comprises a lamp source fixing device for fixing the LED light bar, and a light guide plate which is arranged oppositely to the LED light bar; wherein said lamp source fixing device is fixedly connected with said light guide plate. The present invention can guarantee high incidence rate under various temperature conditions by keeping the light coupling distance between the LED and the light guide plate unchanged.
Claims16
A light emitting diode (LED) back light module, comprising:
- a lamp source fixing device for fixing a LED light bar, and a light guide plate which is arranged oppositely to the LED light bar;
- said lamp source fixing device is fixedly connected with said light guide plate;
- wherein said back light module also comprises a backplane, and said lamp source fixing device is movably arranged on said backplane with directly contacting with the backplane;
- wherein said backplane is provided with a containing groove for arranging said lamp source fixing device, one side of said containing groove opposite to the LED of the lamp source fixing device is provided with a buffer material, a top surface of the buffer material is aligned with a top surface of the containing groove, and said buffer material is in contact with the main body of said lamp source fixing device.
A liquid crystal display (LCD) device comprising:
- a lamp source fixing device for fixing a LED light bar, and a light guide plate which is arranged oppositely to the LED light bar;
- said lamp source fixing device is fixedly connected with said light guide plate;
- wherein said back light module also comprises a backplane, and said lamp source fixing device is movably arranged on said backplane with directly contacting with the backplane;
- wherein said backplane is provided with a containing groove for arranging said lamp source fixing device, one side of said containing groove opposite to the LED of the lamp source fixing device is provided with a buffer material, a top surface of the buffer material is aligned with a top surface of the containing groove, and said buffer material is in contact with the main body of said lamp source fixing device.
Dependencies are inferred from the claim text.