Surface light source assembly having light guide with groove structures for out-coupling light, and backlight module having the surface light source assembly
A backlight module includes a plurality of surface light source assembly. Each surface light source assembly includes a light source with a plurality of light emitting surfaces having a light emission angle range each; a light guide plate with a bottom surface having a groove for receiving the light source, a light exit surface opposite to the bottom surface, and at least one side surface between the bottom surface and the light exit surface; and a plurality of groove structures configured to reflect a portion of a light emitted from the light emitting surfaces to outside their light emission angle range.
Coretronic Corporation
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G02B G02B G02B G02B G02B
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Chung-Hung Chun-Hsiang Hua Fan-Chun Wei-Ching
Fang Hsu Chen Lin Wu