Liquid crystal display device with wide-viewing angle

• Main Authors: CHOI, SANG-WOONG, YOO, DONG-HA, KO, JEONG-HOON, KIM, EUN-JUNG, SON, HYOUN-SUNG
• Format: Patent
• Language: English; French; German
• Published: 09.07.2014
• 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; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF

An LCD device includes a liquid crystal panel (110); a first polarizer (120) attached to a first surface of the liquid crystal panel (110) and including a first polarizing film (122), first and second optical compensation films (124,125) disposed on one surface of the first polarizing film (122), and a phase retardation film (127), a protective film (128) and a functional film (129) disposed on another surface of the first polarizing film (122); and a second polarizer (130) attached to a second surface of the liquid crystal panel (110) and including a second polarizing film (130), an inner protective film (134) disposed on one surface of the second polarizing film (130), and an outer protective film (136) disposed on another surface of the second polarizing film (130), wherein the first polarizing film is disposed between the phase retardation film (127) and the liquid crystal panel (110), and the phase retardation film (127) has a retardation value of »/4.