OPTICAL LAMINATE AND SMART WINDOW COMPRISING SAME

• Main Author: RYU, Hyun-Sun
• Format: Patent
• Language: English; French; Korean
• Published: 02.02.2023
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; 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; FILLING PASTES; FREQUENCY-CHANGING; INKS; LAKES; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICAL LOGIC ELEMENTS; OPTICS; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PHYSICS; POLISHES; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; USE OF MATERIALS THEREFOR; WOODSTAINS

The present invention relates to an optical laminate having variable transmittance, and a smart window comprising same, the optical laminate comprising, in sequence: a polarizing plate; a first conductive layer; a variable transmittance layer comprising a liquid crystal compound and a dichroic dye; and a second conductive layer, wherein the first conductive layer is formed so as to be in direct contact with the polarizing plate. La présente invention concerne un stratifié optique ayant une transmittance variable, ainsi qu'une fenêtre intelligente le comprenant, le stratifié optique comprenant, en séquence : une plaque de polarisation ; une première couche conductrice ; une couche à transmittance variable comprenant un composé à cristaux liquides et un colorant dichroïque ; et une seconde couche conductrice, la première couche conductrice étant formée de manière à être en contact direct avec la plaque de polarisation. 본 발명은, 편광판; 제1 도전층; 액정 화합물 및 이색성 염료를 포함하는 투과율 가변층; 및 제2 도전층을 순차로 포함하며, 상기 제1 도전층은, 상기 편광판과 직접 접촉하여 형성되는, 투과율 가변 광학 적층체 및 이를 포함하는 스마트 윈도우에 관한 것이다.