POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE COMPRISING SAME

• Main Authors: RAH, Kyun Il, LEE, Byung Sun
• Format: Patent
• Language: English; French; Korean
• Published: 04.07.2019
• Subjects: 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; FREQUENCY-CHANGING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICAL LOGIC ELEMENTS; OPTICS; PERFORMING OPERATIONS; PHYSICS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; TRANSPORTING

The present application relates to: a laminated polarizing plate comprising a polyvinyl alcohol-based polarizer having iodine and/or a dichroic dye dyed thereon, and a film provided on one surface of the polyvinyl alcohol-based polarizer and comprising a lyotropic liquid crystal compound absorbing light of a wavelength of 380 nm to 780 nm; and a liquid crystal display device comprising the same. La présente invention concerne : une plaque polarisante stratifiée, comprenant un polariseur à base d'alcool polyvinylique, teinté par de l'iode et/ou par un colorant dichroïque, et un film, disposé sur une surface du polariseur à base d'alcool polyvinylique et comprenant un composé de cristaux liquides lyotropiques, absorbant la lumière de longueur d'onde comprise entre 380 nm et 780 nm ; et un dispositif d'affichage à cristaux liquides la comprenant. 본 출원은, 요오드 및 이색성 염료 중 적어도 하나 이상이 염착된 폴리비닐알코올계 편광자; 및 상기 폴리비닐알코올계 편광판의 일면에 구비되고, 380nm 내지 780nm의 파장의 빛을 흡수하는 리오트로픽(lyotropic) 액정 화합물을 포함하는 필름을 포함하는 적층형 편광판과 이를 포함하는 액정 표시 장치에 관한 것이다.