POLARIZER WITH PHASE DIFFERENCE LAYER AND IMAGE DISPLAY DEVICE WITH THE SAME

• Main Authors: HAYASHI DAISUKE, TSUKAMOTO KATSUMI, FUJIMOTO NAOKI, SENDA HIROKI
• Format: Patent
• Language: English; Japanese
• Published: 25.05.2023
• Subjects: ADVERTISING; 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 HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FREQUENCY-CHANGING; LABELS OR NAME-PLATES; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; SEALS; SIGNS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF

To provide a polarizer with a phase difference layer with an excellent durability to high temperatures.SOLUTION: A polarizer 100 with a phase difference layer includes a polarizer 10 including a polarizer 11 with a thickness of at least 7 μm; a first phase difference layer 20 as an orientation solidification layer of a liquid crystal compound; and a second phase difference layer 30 made of a resin film containing a polymer with a negative double refraction.SELECTED DRAWING: Figure 1 【課題】高温耐久性に優れた位相差層付偏光板を提供すること。【解決手段】厚みが７μｍ以上の偏光子１１を含む偏光板１０と、液晶化合物の配向固化層である第１の位相差層２０と、負の複屈折を示すポリマーを含む樹脂フィルムで構成される第２の位相差層３０と、を有する位相差層付偏光板１００。【選択図】図１