| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an overhead backlight module which has a simple structure, and in which a beam emitted from a fluorescence tube can be led to other fluorescent tube, and invalid light can be decreased more. <P>SOLUTION: This overhead backlight module is constituted of a first diffuser plate, a prism, a second diffuser plate, a reflecting plate, and the fluorescent tube. The prism is arranged under the first diffuser plate. The second diffuser plate is arranged under the prism. Furthermore, this structure has the reflecting plate having a plurality of protruded reflecting parts which is arranged leaving spacing, the fluorescent tube arranged between the second diffuser plate and the reflecting plate, and the fluorescent tube is arranged between two neighboring protruded reflecting parts of the reflecting plate. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
