Transflective liquid crystal display device with no...

Details Transflective liquid crystal display device with no... Transflective liquid crystal display device with no...

2008-03-13

2009-11-17

Kim, Richard H (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S117000

Reexamination Certificate

active

07619705

ABSTRACT:
An upper polarizing plate is provided on the outer surface of an upper substrate, and a lower polarizing plate is provided on the outer surface of a lower substrate. Also, a retardation layer having a phase shift of a quarter wavelength, and a protective layer are provided in turn only on reflective display regions of the inner surface of the lower substrate so that with no voltage applied, the phase shifts of a liquid crystal layer in transmissive display regions and the reflective display regions are set to a half wavelength and a quarter wavelength, respectively. Therefore, the present invention provides a transflective liquid crystal display device having enhanced display brightness in a transmission mode and excellent visibility.

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