FILM, POLYIMIDE FILM, LAMINATE, MEMBER FOR DISPLAY, TOUCH PANEL MEMBER, LIQUID CRYSTAL DISPLAY, AND ORGANIC ELECTROLUMINESCENCE DISPLAY APPARATUS

• Main Authors: OTA TAKAYUKI, KOBAYASHI YOSHIHIRO, SAKAYORI KATSUYA, WAKITA KEISUKE, OKADA KODAI, FURUSE AYAKO, KANAZAWA NAHOMI, KATSUMATA AYA, MAEDA TAKANORI
• Format: Patent
• Language: English; Japanese
• Published: 18.04.2019
• Subjects: ADVERTISING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; BASIC ELECTRIC ELEMENTS; CALCULATING; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPUTING; COUNTING; CRYPTOGRAPHY; 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; DISPLAY; DISPLAYING; EDUCATION; ELECTRIC DIGITAL DATA PROCESSING; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FREQUENCY-CHANGING; GENERAL PROCESSES OF COMPOUNDING; LABELS OR NAME-PLATES; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PHYSICS; SEALS; SEMICONDUCTOR DEVICES; SIGNS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING-UP

To provide a film that has excellent transparency, has improved bending resistance, and resists a deterioration of surface hardness.SOLUTION: Provided is a film which has a strain at the yield point of at least 8% and a tensile modulus of at least 1.8 GPa in a stress-strain curve obtained by a tensile test according to JIS/K7127, and which has a total light transmittance of at least 85% as measured according to JIS/K7361-1, and which has a yellowness of 5 or less as calculated according to JIS/K7373-2006.SELECTED DRAWING: None 【課題】本発明は、透明性に優れ、屈曲耐性を向上しながら、表面硬度の低下が抑制されたフィルムを提供することを主目的とする。【解決手段】ＪＩＳ Ｋ７１２７に準拠した引張試験により得られる応力−ひずみ曲線の降伏点におけるひずみが８％以上であり、引張弾性率が１．８ＧＰａ以上であり、ＪＩＳ Ｋ７３６１−１に準拠して測定する全光線透過率が８５％以上であり、ＪＩＳ Ｋ７３７３−２００６に準拠して算出される黄色度が、５以下である、フィルム。【選択図】なし