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Home / Applications / Evaluation of Polarizers for FPDs

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  • Technique

Evaluation of Polarizers for FPDs

By Leah Pandiscia, PhD

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August 23, 2022

Introduction

Automated evaluation system using the V-7000 Series

For advanced flat panel displays (FPD), a high quality polarizer is required for optimum performance of the display. These polarizers require measurement using an instrument with superior performance specifications for photometric range and accuracy. The V-7000 series automated instrument system provides measurements for the detection of the crossed Nicol position, transmittance of both crossed and parallel positions and dedicated calculations of polarizer efficiency. The figure illustrates the measurement results of a dichroic polarizer plate with a S/N ratio of less than 0.0003% at a transmittance of 0.001%.

Phase difference spectra of a quarter-wave plate

This document has been prepared based on information available at the time of publication and is subject to revision without notice. Although the contents are checked with the utmost care, we do not guarantee their accuracy or completeness. JASCO Corporation assumes no responsibility or liability for any loss or damage incurred as a result of the use of any information contained in this document. Copyright and other intellectual property rights in this document remain the property of JASCO Corporation. Please do not attempt to copy, modify, redistribute, or sell etc. in whole or in part without prior written permission.

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About the Author

Leah Pandiscia received her PhD from Drexel University where she studied Biophysical Chemistry. She is a Spectroscopy Applications Scientist.

JASCO Application Note

Evaluation of Polarizers for FPDs

Introduction

Automated evaluation system using the V-7000 Series

For advanced flat panel displays (FPD), a high quality polarizer is required for optimum performance of the display. These polarizers require measurement using an instrument with superior performance specifications for photometric range and accuracy. The V-7000 series automated instrument system provides measurements for the detection of the crossed Nicol position, transmittance of both crossed and parallel positions and dedicated calculations of polarizer efficiency. The figure illustrates the measurement results of a dichroic polarizer plate with a S/N ratio of less than 0.0003% at a transmittance of 0.001%.

Phase difference spectra of a quarter-wave plate

This document has been prepared based on information available at the time of publication and is subject to revision without notice. Although the contents are checked with the utmost care, we do not guarantee their accuracy or completeness. JASCO Corporation assumes no responsibility or liability for any loss or damage incurred as a result of the use of any information contained in this document. Copyright and other intellectual property rights in this document remain the property of JASCO Corporation. Please do not attempt to copy, modify, redistribute, or sell etc. in whole or in part without prior written permission.
28600 Mary’s Court, Easton, MD 21601 USA • (800) 333-5272 • Fax: (410) 822-7526 • jascoinc.com/applications

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