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:
Aug. 22, 2023
Filed:
Jul. 16, 2018
Lg Chem, Ltd., Seoul, KR;
Se Jin Ku, Daejeon, KR;
Mi Sook Lee, Daejeon, KR;
Na Na Kang, Daejeon, KR;
Eung Chang Lee, Daejeon, KR;
Sung Soo Yoon, Daejeon, KR;
No Jin Park, Daejeon, KR;
Je Gwon Lee, Daejeon, KR;
Eun Young Choi, Daejeon, KR;
Hyung Ju Ryu, Daejeon, KR;
Yoon Hyung Hur, Daejeon, KR;
Abstract
A neutral layer composition and a neutral layer formed from the same are disclosed herein. In some embodiments, a neutral layer composition includes a random copolymer having a unit represented by Formula 1, and a unit containing an aromatic structure having one or more halogen atoms, wherein the molar amount of the unit represented by Formula 1 is present in a range of 9 mol % to 32 mol %, based on the total molar amount of the copolymer. The neutral layer can effectively control orientation characteristics of various block copolymers deposited thereon.