Transflective liquid crystal display with gamma harmonization

Details Transflective liquid crystal display with gamma harmonization Transflective liquid crystal display with gamma harmonization

2011-01-11

2011-01-11

Qi, Mike (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S038000, C349S039000, C345S080000, C345S090000

Reexamination Certificate

active

07868976

ABSTRACT:
In a transflective liquid crystal display having a transmission area and the reflection area, the transmissive electrode is connected to a switching element to control the liquid crystal layer in the transmission area, and the reflective electrode is connected to the switching element via a separate capacitor to control the liquid crystal layer in the reflection area. The separate capacitor is used to shift the reflectance in the reflection area toward a higher voltage end in order to avoid the reflectance inversion problem. In addition, an adjustment capacitor is connected between the reflective electrode and a different common line. The adjustment capacitor is used to reduce or eliminate the discrepancy between the gamma curve associated with the transmittance and the gamma curve associated with the reflectance.

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