Backlight module

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11977251
SERIAL NO

18164633

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A backlight module including a light guide plate, a light source, an upper prism sheet, and a lower prism sheet is provided. The light guide plate has a light incident surface and a light emitting surface. The upper prism sheet is disposed at a side of the light emitting surface of the light guide plate. The upper prism sheet includes an upper substrate and first prism microstructures. Cross-sections of the first prism microstructures are isosceles triangles, and apex angles thereof fall within a range of 80 to 90 degrees. The lower prism sheet is disposed between the light guide plate and the upper prism sheet. The lower prism sheet includes a lower substrate and second prism microstructures. Cross-sections of the second prism microstructures are isosceles triangles, and apex angles thereof fall within a range of 100 to 130 degrees.

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Patent Owner(s)

Patent OwnerAddress
CORETRONIC CORPORATIONNO 11 LI-HSIN RD HSINCHU SCIENCE PARK HSIN-CHU 300

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cheng, Wei-Hsuan Hsin-Chu, TW 5 2
Hsu, Chun-Hsiang Hsin-Chu, TW 17 102
Lin, Yen-Hao Hsin-Chu, TW 11 5

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