Backlight module structured for absorbing electromagnetic radiation and liquid crystal display device using same
An exemplary backlight module ( 200 ) includes a light source ( 250 ), and a frame ( 260 ) containing the light source therein. The frame includes an absorbing material for absorbing electromagnetic radiation generated by the light source. The frame of the backlight module installed in an LCD device ( 20 ) contains absorbing material therein, which helps to shield an LCD panel ( 290 ) of the LCD device from any electromagnetic interference may be generated by the backlight module including the light source.
1 . A backlight module, comprising:
a light source;
a frame for containing the light source therein, and the frame comprising absorbing material configured for absorbing electromagnetic radiation generated by the light source.
2 . The backlight module as claimed in claim 1 , wherein the frame is made of polymer material, and the absorbing material is carbon material mixed and dispersed in the polymer material.
3 . The backlight module as claimed in claim 1 , wherein the frame comprises a main body, and the absorbing material is a carbon material coating covering surfaces of the main body.
4 . The backlight module as claimed in claim 1 , wherein the absorbing material comprises carbon material.
5 . The backlight module as claimed in claim 4 , wherein the carbon material is selected from the group consisting of carbon fiber, bamboo carbon, and carbon black.
6 . The backlight module as claimed in claim 4 , wherein the carbon material is dispersed in a powder base material, with a diameter of grains of the base material is in the range from 0.5˜100 μm.
7 . A liquid crystal display device, comprising:
a liquid crystal display (LCD) panel; and
a backlight module arranged for illuminating the LCD panel, the backlight module comprising:
a light source; and
a frame containing the light source therein, the frame comprising an absorbing material configured for absorbing electromagnetic radiation generated by the light source.
8 . The liquid crystal display device as claimed in claim 7 , wherein the frame is made of polymer material, and the absorbing material is carbon material mixed and dispersed in the polymer material.
9 . The liquid crystal display device as claimed in claim 7 , wherein the frame comprises a main body, and the absorbing material is a carbon material coating covering surfaces of the main body.
10 . The liquid crystal display device as claimed in claim 7 , wherein the absorbing material comprises carbon material.
11 . The liquid crystal display device as claimed in claim 10 , wherein the carbon material is selected from the group consisting of carbon fiber, bamboo carbon, and carbon black.
12 . The liquid crystal display device as claimed in claim 10 , wherein the carbon material is dispersed in a powder base material, with a diameter of grains of the base material is in the range of 0.5˜100 μm.
13 . A backlight module, comprising:
a light source including a light guide plate;
a frame for supportably containing the light source therein, and the frame coated with an absorbing material for absorbing electromagnetic radiation generated by the light source.