P‐31: Cell Gap Measurement Methods for Low‐Cell‐Gap and Single‐Polarizer Reflective LCDs | Zendy

Lee Seo Hern | Zendy; Park Won Sang | Zendy; Lee GiDong | Zendy; Kim Jae Chang | Zendy; Yoon TaeHoon | Zendy

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P‐31: Cell Gap Measurement Methods for Low‐Cell‐Gap and Single‐Polarizer Reflective LCDs

Author(s) -

Lee Seo Hern,

Park Won Sang,

Lee GiDong,

Kim Jae Chang,

Yoon TaeHoon

Publication year - 2001

Publication title -

sid symposium digest of technical papers

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.351

H-Index - 44

eISSN - 2168-0159

pISSN - 0097-966X

DOI - 10.1889/1.1831949

Subject(s) - polarizer , measure (data warehouse) , optics , band gap , materials science , optoelectronics , physics , computer science , birefringence , database

We propose two novel methods to measure the cell gap of a liquid crystal cell. One is a method to measure the cell gap of a low cell‐gap TNLC cell by rotating a quarter‐wave retarder. With the proposed method, we can measure the cell gap d of TNLC cells with d < 4 μm. The other is a method to measure the cell gap of a single‐polarizer reflective LC cell as well as the wavelength dependence of the retardation Δnd by using a spectrometer.

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