Backlight module and display device
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United States of America Patent
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Dec 12, 2017
Issued Date -
N/A
app pub date -
Jul 16, 2015
filing date -
Jan 16, 2015
priority date (Note) -
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Abstract
A backlight module and a display device are disclosed. The backlight module comprises a lamp group; at least one prism sheet having a first edge near a side of the lamp group; a light shielding sheet having an inner edge corresponding to the side of the lamp group for defining a light emitting region of the backlight module. A distance between the first edge of the prism sheet and the lamp group is greater than or equal to a distance between the inner edge of the light shielding sheet and the lamp group. A light leakage in front of the lamps is improved effectively by increasing the distance between the prism sheet and lamp group, so that light intensity of light emitted from the lamp group is reduced upon reaching the prism sheet.
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