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Opt Lett. 2011 Feb 15;36(4):567-9. doi: 10.1364/OL.36.000567.

Microstructural and microspectral characterization of a vertically aligned liquid crystal display panel.

Author information

1
Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei, Taiwan.

Abstract

The microstructural and microspectral characteristics of a vertically aligned liquid crystal display (VA-LCD) panel were obtained noninvasively for the first time. With 1 μm axial and 2 μm transversal resolutions, the cell gap profile beneath the patterned thin-film transistor of the VA-LCD panel can clearly be resolved. The thicknesses of the multiple thin-film layers and the embedded defects can also be unveiled. As far as spectral response is concerned, the light transmittance at the layer boundaries can be estimated from the measured reflectance, which is crucial information for the design of a highly transmissive panel. The color shift of the VA-LCD panel due to fabrication error was evaluated.

PMID:
21326458
DOI:
10.1364/OL.36.000567

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