LAMINATE AND LIQUID CRYSTAL DISPLAY DEVICE COMPRISING SAME

• Main Authors: CHANG, Junwon, RAH, Kyun Il, KIM, Sun Kug, PARK, Moon Soo, SHIN, Nayoung
• Format: Patent
• Language: English; French; Korean
• Published: 12.12.2019
• 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 laminate and a liquid crystal display device comprising same, the laminate comprising: a first polarization-rotating layer; a second polarization-rotating layer; and a positive C plate provided between the first polarization-rotating layer and the second polarization-rotating layer, wherein the first polarization-rotating layer comprises a first λ/4 (quarter wave) plate and the second polarization-rotating layer comprises a first 3λ/4 (three quarter wave) plate. La présente invention concerne un stratifié et un dispositif d'affichage à cristaux liquides comprenant ce dernier, le stratifié comprenant : une première couche de rotation de polarisation ; une seconde couche de rotation de polarisation ; et une lame C positive disposée entre la première et la seconde couche de rotation de polarisation, la première couche de polarisation de rotation comprenant une première lame λ/4 (quart d'onde) et la seconde couche de rotation de polarisation comprenant une première lame λ/4 (trois quart d'onde). 본 출원은, 제1 편광회전층; 제2 편광회전층; 및 상기 제1 편광회전층 및 제2 편광회전층 사이에 구비된 포지티브 C 플레이트(positive C plate)를 포함하고, 상기 제1 편광회전층은 제1 λ/4 파장판(quarter wave plate)을 포함하고, 상기 제2 편광회전층은 제1 3λ/4 파장판을 포함하는 것인 적층체, 및 이를 포함하는 액정 표시 장치에 관한 것이다.