BACKLIGHT MODULE, DISPLAY MODULE, AND DISPLAY DEVICE
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United States of America Patent
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app pub date -
Aug 24, 2016
filing date -
Dec 10, 2015
priority date (Note) -
Abandoned
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Abstract
Disclosed are a backlight module, a display module, and a display device. The backlight module includes: a back cover including an accommodating space; and a light guide plate, LED bars, and a laser device arranged in the accommodating space of the back cover, wherein the LED bars are located at the light incidence side of the light guide plate, the laser device is located on a non-light incidence side of the light guide plate adjacent to the light incidence side, and emits laser passing through an edge of the light guide plate at the light incidence side, wherein the color of the laser emitted by the laser device matches the color of light rays emitted by LEDs in the LED bars. In the technical solution according to the embodiments of the application, the laser device is arranged at the non-light incidence side of the light guide plate adjacent to the light incidence side, and emits the laser passing through the edge of the light guide plate at the light incidence side; and with this design, the brightness at the light incidence side of the backlight module illuminated by the laser can tend to become uniform to thereby weaken the phenomenon of lamp shadow in the backlight module, and further improve the quality of a picture on the display device.
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