PRISM FILM, BACKLIGHT MODULE AND DISPLAY DEVICE

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United States of America Patent

APP PUB NO 20190302329A1
SERIAL NO

16199733

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Embodiments of the present disclosure relate to a prism film, a backlight module, and a display device. The prism film includes a substrate and a plurality of prisms on a surface of the substrate, each of the plurality of prisms having a triangular cross section, and having a first optical surface, a second optical surface, and a third optical surface that are perpendicular to the triangular cross section, wherein the first optical surface is parallel to the surface of the substrate, the first optical surface and the second optical surface form a first bottom angle, the first optical surface and the third optical surface form a second bottom angle, and at least one of the first bottom angle and the second bottom angle of the plurality of prisms gradually changes.

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Patent Owner(s)

Patent OwnerAddress
BOE TECHNOLOGY GROUP CO LTDNO 10 JIUXIANQIAO RD CHAOYANG DISTRICT BEIJING 100015

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
JIN, Liangliang Beijing, CN 1 0
LIU, Qing Beijing, CN 378 2944
MA, Ruoyu Beijing, CN 9 13
YANG, Zezhou Beijing, CN 12 2

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