We have successfully demonstrated a top-corn based PLS (plane to line switching) LCD mode by adopting a low-temperature passivation layer above the organic layer. The top-corn based PLS mode increased the panel transmission by 60% compared to the conventional bottom-corn PLS structure. A digital switching-type touch screen function has been embedded inside the panel, showing excellent sensitivity of 20gf. These results were achieved by a new additional column spacer layer and a passivation trench structure. This technology can be applied to wide angle of view hand-held phones, personal digital assistants (PDAs), and tablet PCs.
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