BACKLIGHT MODULE AND DISPLAY DEVICE
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United States of America
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Issued Date -
Nov 21, 2024
app pub date -
May 9, 2024
filing date -
May 9, 2024
priority date (Note) -
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Abstract
A backlight module, including a light guide element, a light source, and first and second optical elements, is provided. The first optical element is disposed on a side of a light exit surface of the light guide element. The first optical element includes first prism structures, each including a first base angle and a second base angle away from the light incident surface relative to the first base angle. The first base angle is different from the second base angle. The second optical element is disposed on a side of the light exit surface. The first optical element is located between the light guide element and the second optical element. The second optical element includes second prism structures, each including a third base angle and a fourth base angle away from the light incident surface relative to the third base angle. A display device is also provided.
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