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Resembling prismatic structure of light guide plate
| Details |
Inventors: Kazuhiro, Miyashita; Yu-Ping, Liu; Chao-Fang, Chung;
Assignee:
Primary Examiner: Quach-Lee; Y. My
Assistant Examiner:
Attorney, Agent or Firm:
The present invention provides a resembling prismatic structure of light guide plate to economize the optical films such as prismatic film, diffusion film, reflection film and . . . etc. The present invention simplifies the multifarious structures of the prior LCD backlight modules. It can efficiently decrease the material of making the backlight module and the cost of the manufacturing time.In comparison with that conventional LCD backlight module emits light wholly, continuously and evenly from light emitting face of light guiding plate. Large amount of energy is wasted in the conventional backlight module owing to its illumination on the opaque part of LCD substrate such as common electrode and black matrix.As the resembling prismatic structure of the light guide plate of the present invention make light emit from specified positions, and be limited to small angle and pointing to each corresponding opening of LCD substrate, energy can be used efficiently; brightness can be raised; display quality can be promoted; electricity energy consumption can be lowered down, and life of battery can be postponed. |
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DETAILED DESCRIPTION The present invention provides a resembling prismatic structure of light guide plate to solve the waste of energy of light and to use energy of light economically.
In generally, the backlight module is comprised of the light guide plate, the diffusion film and reflection film.
In order to get the uniformly emitting light, the prior LCD backlight modules use the films having optical effects.
These films include the prismatic film, the diffusion film, the reflection film and .
.
.
etc.
The energy of light was lost in the processes of repeating refraction and reflection between these films and wasted in the irradiation of the light irradiated the un-translucent part of the LCD.
The present invention has created emitting light from the non-uniform, selected, multiple and specifical positions.
The beams of the emitting light can also be focused to a special direction pointing to the opening of LCD substrate by the controlled, multiple and parallel entering light.
The present invention simplifies the multifarious structures of the prior LCD backlight modules.
The main objective of the subject invention is to provide a resembling prismatic structure of light guide plate.
The light sources can be the usual or the controlled, multiple and parallel entering light source.
The light enters the light guide plate and is guided to the special direction by the designed prismatic structure.
The other objective of the subject invention is to provide an emitting light from the non-uniform, selected, multiple and specifical positions.
The beams of the emitting light can also be focused to a special direction pointing to the opening of LCD substrate by the controlled, multiple and parallel entering light.
The brightness can be enhanced and the quality of LCD will be better.
The energy of light can be used efficiently, so the life time of the battery will be longer.
Another objective of the subject invention is to provide a simplificative design of the LCD backlight module.
It can efficiently decrease the material of making the backlight module and the cost of the manufacturing time
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***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST*** *** NO IMAGES AVAILABLE***
Description:...
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Light Fixtures 
