Lg Innotek Co., Ltd.

Suhyeon Cho

Hyunjoon Kim

Wooyoung Chang

Woong Hwang

Sangbum Lee

Sangbeum Lee

The present invention relates to a composite optical sheet, characterized in that two or more optical sheets regularly arranged with micro lenses each having a lens pitch of 1&#x2dc;30 &#x3bc;m are stacked to prevent the moire phenomenon, and brightness-improving sheets with different sizes of lenses are formed to maximize the brightness.

Optical sheet

The present invention relates to a regular pattern optical sheet, the sheet including a transparent flat plate-shaped body, and a plurality of lens-shaped patterns regularly formed at one surface of the body, each having a same size of more than 0.1 &#x3bc;m but smaller than 25 &#x3bc;m in diameter, an angle formed by at least one line of lines straightly connecting each center of the plurality of lens-shaped patterns, wherein a horizontal axis of an LCD pixel formed at an upper surface of the body is more than 5.5&#xb0; but smaller than 9.5&#xb0;, and a discrete distance between the plurality of lens-shaped patterns is more than 5% but smaller than 15% of a diameter of the lens-shaped pattern.

Growing community of inventors

Seoul, South Korea

Suhyeon Cho