ADHESIVE FILM, ADHESIVE COMPOSITION FOR SAME, TOUCH PANEL INCLUDING FILM, AND DISPLAY DEVICE INCLUDING PANEL

• Main Authors: KWAK, Byeong Do, CHO, Ik Hwan, LEE, Gwang Hwan, KANG, Ji Won, LEE, Jin Young, MUN, Sung Hyun, KIM, Il Jin, KIM, Ji Ho, SHIN, Seon Hee, HAN, Jae Hyun
• Format: Patent
• Language: English; French; Korean
• Published: 17.05.2018
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; CALCULATING; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPUTING; COUNTING; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; DYES; ELECTRIC DIGITAL DATA PROCESSING; FREQUENCY-CHANGING; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-LINEAR OPTICS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PHYSICS; POLISHES; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF MATERIALS AS ADHESIVES

Provided are an adhesive film, an adhesive composition for the same, an optical member including the film and an optical display device including the optical member, the adhesive film: having a restoring force of 80% or higher; a permittivity of 1.8-3.0 at 1 MHz and a hardness of 23 or greater; and comprising a (meth) acrylic-based copolymer having a hydroxyl group and copolymerized by a monomer mixture, and a photo-polymerization initiator. La présente invention concerne un film adhésif, une composition adhésive correspondante, un élément optique comprenant le film et un dispositif d'affichage optique comprenant l'élément optique, le film adhésif : présentant une force de restauration de 80 % ou plus; une permittivité de 1,8 à 3,0 à 1 MHz et une dureté de 23 ou plus; et comprenant un copolymère à base (méth)acrylique présentant un groupe hydroxyle et copolymérisé par un mélange monomère, et un initiateur de photo-polymérisation. 복원력이 80% 이상이고, 유전율이 1MHz에서 1.8 내지 3.0 및 경도가 23 이상이고, 단량체 혼합물로 공중합된 수산기를 갖는 (메트)아크릴계 공중합체 및 광중합 개시제를 포함하는, 점착필름, 이를 위한 점착제 조성물, 이를 포함하는 광학부재 및 이를 포함하는 광학표시장치가 제공된다.