Lg Chem, Ltd

Minjun Gim

Han Min Seo

Nam Seok Bae

Cheolock Song

Seung Heon Lee

Jiehyun Seong

Jinhong Kim

A pattern film, a method for manufacturing a pattern film, and a transmittance variable device comprising the same are disclosed herein. In some embodiments, a pattern film includes a base layer, and a spacer pattern formed on the base layer, the spacer pattern comprises a partition wall spacer comprises a plurality of spacer dots and a spacer line connecting the spacer dots, and a ball spacer, the ball spacer is one of embedded in, partially embedded in, or in contact with the partition wall spacer, when any 3 or more spacer dots are selected, the spacer line forms a closed figure having the selected spacer dots at the vertices thereof, the selected spacer dots are not present inside the closed figure, a length of at least one side of the closed figure is different from lengths of the remaining sides, and each spacer dot has irregularity of 50% or greater.

Pattern film, method for manufacturing pattern film, and transmittance variable device comprising same

A pattern film, a transmittance variable device comprising the same, and a method for manufacturing a transmittance variable device are disclosed herein. In some embodiments, a pattern film includes a first base layer, and a spacer pattern formed on the first base layer, wherein the spacer pattern comprises a partition wall spacer and a ball spacer, wherein the ball spacer is one of embedded in, partially embedded in, or in contact with the partition wall spacer, and wherein an area of the spacer pattern per unit area of the first base layer is 5% or greater to 17% or less.

Patterned film, variable-transmittance device comprising same, and method for producing variable-transmittance device

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Daejeon, South Korea

Minjun Gim