Birch, Stewart, Kolasch & Birch, LLP
Optical film, backlight unit including the same and liquid crystal display device having the same
An optical film, a backlight unit having the same, and a liquid crystal display device having the same are disclosed. The optical film comprises a base film and a plurality of structures disposed on the base film, at least one of the structures comprising a plurality of beads with a diffusion portion having a first diameter and a transmission portion having a second diameter integrally formed with each other.
LG Electronics Inc.
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Y10T Y10T G02B G02F G02B G02B G02B G02B
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Yongsu Kabjin Seungwook Changjong Seungho Cheol
Kim Hwang Kwon Kim Lee Yoon