Invention Grant
- Patent Title: Optical film having excellent adhesive strength and durability, and polarizing film comprising same
-
Application No.: US16326146Application Date: 2017-08-17
-
Publication No.: US11668859B2Publication Date: 2023-06-06
- Inventor: Yirang Lim , Kyoung Won Kim , Sungin Kim , Jun Wuk Park
- Applicant: ANHUI HEMEI MATERIALS TECHNOLOGY CO., LTD.
- Applicant Address: CN Hefei
- Assignee: ANHUI HEMEI MATERIALS TECHNOLOGY CO., LTD.
- Current Assignee: ANHUI HEMEI MATERIALS TECHNOLOGY CO., LTD.
- Current Assignee Address: CN Hefei
- Agent Cheng-Ju Chiang
- Priority: KR 20160104480 2016.08.17
- International Application: PCT/KR2017/008963 2017.08.17
- International Announcement: WO2018/034512A 2018.02.22
- Date entered country: 2019-02-15
- Main IPC: G02B1/14
- IPC: G02B1/14 ; G02B1/04 ; G02B5/30 ; C09D167/02 ; G02B5/22 ; C08J7/04 ; C08J7/043 ; C08J7/046 ; C09D7/61 ; C09D5/00 ; C09D151/08
Abstract:
The present specification relates to an optical film including a transparent film, and a coating layer on at least one surface of the transparent film, wherein the coating layer includes a polyester-based resin and a polyurethane-based resin, and is formed using a composition having a minimum film-forming temperature difference of 40° C. to 110° C. between the polyester-based resin and the polyurethane-based resin, and a polarizing plate including the same.
Public/Granted literature
- US20190179058A1 OPTICAL FILM HAVING EXCELLENT ADHESIVE STRENGTH AND DURABILITY, AND POLARIZING FILM COMPRISING SAME Public/Granted day:2019-06-13
Information query
