Transflective Type Liquid Crystal Display Device

• Main Authors: HWANG, JUNG IM, CHOI, MIN GEON
• Format: Patent
• Language: English; Korean
• Published: 10.05.2017
• 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

The present invention provides a liquid crystal display device which includes a substrate including a transmissive pixel and a reflective pixel, thin film transistors arranged on the transmissive pixel and the reflective pixel on the upper side of the substrate, respectively, a pixel electrode connected to the thin film transistor, a common electrode separated from the pixel electrode, a liquid crystal layer arranged on the upper sides of the pixel electrode and the common electrode and including a plurality of liquid crystal capsules, a first phase difference plate arranged on the upper side of the liquid crystal layer, a first polarization plate arranged on the upper side of the first phase difference plate, a second polarization plate arranged on the lower side of the substrate, thereby simplifying a process, reducing manufacturing costs, improving a contrast ratio, and reducing power consumption. 본 발명은, 투과화소 및 반사화소를 포함하는 기판과, 상기 기판 상부의 상기 투과화소 및 상기 반사화소에 각각 배치되는 박막트랜지스터와, 상기 박막트랜지스터에 연결되는 화소전극과, 상기 화소전극과 이격되는 공통전극과, 상기 화소전극 및 상기 공통전극 상부에 배치되고, 다수의 액정캡슐을 포함하는 액정층과, 상기 액정층 상부에 배치되는 제1위상차판과, 상기 제1위상차판 상부에 배치되는 제1편광판과, 상기 기판 하부에 배치되는 제2편광판을 포함하는 액정표시장치를 제공함으로써, 공정이 단순화되고 제조비용이 절감되고 대조비가 개선되고 소비전력이 절감된다.