ADHESIVE FILM OPTICAL MEMBER COMPRISING THE SAME AND OPTICAL DISPLAY APPARATUS COMPRISING THE SAME

• Main Authors: LEE SEUNG HOON, CHOI JU YEOL, CHO SEONG HEUN, KIM SUNG HAN, LEE JI HYE, KIM IL JIN, KIM WON, NAM IRINA
• Format: Patent
• Language: English; Korean
• Published: 31.10.2023
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; CHEMISTRY; COMPOSITIONS BASED THEREON; DYES; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PHYSICS; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF MATERIALS AS ADHESIVES

방향족기를 갖는 (메트)아크릴계 공중합체를 포함하는 점착 필름이고, 상기 점착 필름은 굴절률이 1.55 이상이고, 상기 점착 필름은 식 1의 비율이 1 내지 8이고 식 2의 비율이 1 내지 15인 것인, 점착 필름, 이를 포함하는 광학 부재 및 이를 포함하는 광학 표시 장치가 제공된다. To provide an adhesive film that has a high refractive index and is excellent in the step followability, the peel strength and the appearance.SOLUTION: An adhesive film contains a (meth)acrylic copolymer having an aromatic ring. The adhesive film has a refractive index of 1.55 or more. The adhesive film has a ratio A expressed in Formula 1 from 1 to 8, and a ratio B expressed in Formula 2 from 1 to 15.SELECTED DRAWING: None