The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 23, 2024
Filed:
May. 19, 2021
Electronics and Telecommunications Research Institute, Daejeon, KR;
Seung Koo Park, Sejong, KR;
Sung Ryul Yun, Daejeon, KR;
Ki Uk Kyung, Daejeon, KR;
Mi Jeong Choi, Daejeon, KR;
Bong Je Park, Daejeon, KR;
Suntak Park, Daejeon, KR;
Saekwang Nam, Daejeon, KR;
Seongcheol Mun, Daejeon, KR;
Eun Jin Shin, Daejeon, KR;
Jeong Mook Lim, Daejeon, KR;
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Abstract
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.