WAVELENGTH CONVERSION MEMBER, BACKLIGHT UNIT, IMAGE DISPLAY DEVICE, AND CURABLE COMPOSITION

• Main Authors: MUKAIGAITO KOHEI, KIRIGATANI KUNIHIRO, YAMAGUCHI KAHO, YANAGIDA MIKA, YAHATA TATSUYA
• Format: Patent
• Language: English; Japanese
• Published: 02.07.2020
• Subjects: ADHESIVES; BASIC ELECTRIC ELEMENTS; CHEMISTRY; 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 SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FREQUENCY-CHANGING; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICAL LOGIC ELEMENTS; OPTICS; PAINTS; PHYSICS; POLISHES; SEMICONDUCTOR DEVICES; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF

To provide a wavelength conversion member which contains a quantum dot phosphor and offers superior light resistance and moist heat resistance in high-temperature environments.SOLUTION: A wavelength conversion member provided herein comprises a cured product obtained by curing a curable composition containing at least a quantum dot phosphor and a polyfunctional thiol compound, where a thiol group of the cured product exhibits a reaction rate of 15% to 65%.SELECTED DRAWING: None 【課題】量子ドット蛍光体を含み、高温環境下での耐光性及び耐湿熱性に優れる波長変換部材を提供する。【解決手段】量子ドット蛍光体と、多官能チオール化合物と、を少なくとも含む硬化性組成物を硬化してなる硬化物を有し、前記硬化物のチオール基の反応率が１５％〜６５％である、波長変換部材。【選択図】なし