OPTICAL FILM AND IMAGE DISPLAY DEVICE

• Main Authors: OGAWA YOSHIMASA, EBISU KEISUKE, SATO JUN, KOSAKA YOSUKE, MATSUSHITA HIROKI
• Format: Patent
• Language: English; Japanese
• Published: 11.10.2018
• Subjects: ADVERTISING; BASIC ELECTRIC ELEMENTS; CRYPTOGRAPHY; DISPLAY; DISPLAYING; EDUCATION; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; 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; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PERFORMING OPERATIONS; PHYSICS; SEALS; SEMICONDUCTOR DEVICES; SIGNS; TRANSPORTING

PROBLEM TO BE SOLVED: To provide a foldable optical film that reduces the occurrence of interference fringes, and an image display device including the same.SOLUTION: There is provided a foldable optical film 10 that is used for an image display device, the optical film 10 comprising: a resin base material 11 that is formed from one or more types of resin selected from the group consisting of a polyimide-based resin, polyamideimide-based resin, polyamide-based resin, and polyester-based resin; a functional layer 12 that is provided on a first surface 11A of the resin base material 11; and a first optical adjustment layer 13 that is provided between the resin base material 11 and functional layer 12 and is adjacent to the functional layer 12.SELECTED DRAWING: Figure 1 【課題】干渉縞が発生しにくい折り畳み可能な光学フィルム、これを備えた画像表示装置を提供する。【解決手段】画像表示装置に用いられる折り畳み可能な光学フィルム１０であって、ポリイミド系樹脂、ポリアミドイミド系樹脂、ポリアミド系樹脂、およびポリエステル系樹脂からなる群から選択される１種以上の樹脂からなる樹脂基材１１と、樹脂基材１１の第１の面１１Ａ側に設けられた機能層１２と、樹脂基材１１と機能層１２の間に設けられ、かつ機能層１２に隣接した第１の光学調整層１３と、を備える、光学フィルム１０が提供される。【選択図】図１