- Patent Title: Hard coating layered optical film, polarizer comprising the same, and image display comprising the hard coating layered optical film and/or the polarizer comprising the same
-
Application No.: US17318107Application Date: 2021-05-12
-
Publication No.: US11447643B2Publication Date: 2022-09-20
- Inventor: Ching-Huang Chen , Tze-Chi Wang , Kuo-Hsuan Yu , Gang-Lun Fan
- Applicant: BenQ Materials Corporation
- Applicant Address: TW Taoyuan
- Assignee: BenQ Materials Corporation
- Current Assignee: BenQ Materials Corporation
- Current Assignee Address: TW Taoyuan
- Main IPC: G02B1/14
- IPC: G02B1/14 ; C09D5/00 ; C09D175/14 ; C09D7/47 ; G02B1/111 ; C09D7/40 ; C09D135/02 ; C09D7/65 ; C09D175/16

Abstract:
This invention is to provide a hard coating film, comprising a polymethyl methacrylate (PMMA) base film and an antiglare hard coating layer formed thereon, wherein the antiglare hard coating layer comprises a (meth)acrylate composition, an initiator, a plurality of silica nanoparticles, a plurality of organic microparticles and a leveling agent. The (meth)acrylate composition comprises a urethane (meth)acrylate oligomer with a functionality of 6 to 15 and a molecular weight ranging between 1,000 and 4,500, and at least one (meth)acrylate monomer with a functionality of 3 to 6, and at least one (meth)acrylate monomer with functionality of less than 3.
Public/Granted literature
Information query