Study on Single Gap Transflective Liquid Crystal Display using the Vertical Alignment Mode and circular polarizer

수직 배향된 액정 셀과 원 편광판을 이용한 단일 갭 반투과형 액정 디스플레이 연구

We proposed a single gap transflective liquid crystal display (LCD) using a vertically aligned (VA) liquid crystal cell and circular polarizer. The conventional VA transflective LCDs have problems that there required several compensation films and voltage-dependent transmittance and reflectance curves do not match each other. To solve these problems, we used circular polarizer and optimized the condition of insulator thickness in the transmissive part and reflective part. Also, we used the patterned vertical alignment (PVA) mode for wide viewing angle in transmissive part. Consequently, this device realized transflective LCD with a single cell gap and single gamma curve.