Electronics and Telecommunications Research Institute

Saekwang Nam

Seung Koo Park

Bong Je Park

Suntak Park

Sung Ryul Yun

Ki Uk Kyung

Jeong Mook Lim

Seongcheol Mun

Eun Jin Shin

Mi Jeong Choi

Provided are a composition for a light transmittance control film, and a light transmittance control film. According to the inventive concept, the light transmittance control film includes a matrix part including a copolymer and a polymer chain which is grafted to the copolymer, and a dispersed part including a polymer derived from a first monomer, and are provided in the matrix part, wherein the polymer chain is derived from the first monomer, first light transmittance is shown while external force is applied, and second light transmittance which is greater than the first light transmittance may be shown after the external force is removed.

Light transmittance control film and composition for the light transmittance control film

Provided are a composition for a light transmittance control film, and a light transmittance control film. According to the inventive concept, the light transmittance control film includes a matrix part including a copolymer and a polymer chain which is grafted to the copolymer; and a dispersed part including a polymer derived from a first monomer, and are provided in the matrix part, wherein the polymer chain is derived from the first monomer, first light transmittance is shown while external force is applied, and second light transmittance which is greater than the first light transmittance may be shown after the external force is removed.

Growing community of inventors

Daejeon, South Korea

Saekwang Nam