BACKLIGHT MODULE, DISPLAY PANEL AND DISPLAY DEVICE
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United States of America Patent
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app pub date -
May 14, 2015
filing date -
Sep 24, 2014
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Abstract
A backlight module, a display panel and a display device are provided, and the backlight module includes a sealant frame (1), a reflecting plate (2) which is provided within the sealant frame (1) and has a reflective surface (21), and a light guide plate (3) which is arranged on the reflecting plate (2) and has a light exit surface (31) and a light transmission surface (32) opposite to each other as well as a light entrance surface (33) connecting the light exit surface (31) and the light transmission surface (32); and an end, where the light entrance surface (33) is located, of the light guide plate (3) is provided with at least one lap joint portion (34) arranged, in a lap joint manner, on the sealant frame (1) and extending toward the sealant frame (1) that the end faces, and the light transmission surface (32) and the reflective surface (21) of the reflecting plate (2) form a gap layer 4 therebetween. The backlight module can avoid the problems of Newton rings occurred between the light guide plate (3) and the reflecting plate (2) and the occurrence of wavy warpage of the reflecting plate (2) under a high temperature.
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