| 摘要 |
Provided is a backlight unit including at least one light source (150) emitting light, a light guide panel (160) guiding proceeding of light incident from a side surface thereof, a light incident portion (165) protruding to be inclined with respect to the side surface of the light guide panel and having first (165a) and second (165b) light incident surfaces on which light is incident, and first and second guide members (170) arranged to face the first and second light incident surfaces, respectively, and guiding the light emitted from the light source (150) to be incident on each of the first and second light incident surfaces, wherein an air gap (180) is formed between each of the first and second light incident surfaces and each of the first and second guide members.
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