CELL GAP MEASUREMENT OF FILLED TWISTED NEMATIC LIQUID-CRYSTAL DISPLAYS BY A PHASE COMPENSATION METHOD

被引：49

作者：

LIEN, A ^{[1
]}

TAKANO, H ^{[1
]}

机构：

[1] IBM JAPAN LTD,CTR DISPLAY TECHNOL & DESIGN,YAMATO,KANAGAWA,JAPAN

来源：

JOURNAL OF APPLIED PHYSICS | 1991年 / 69卷 / 03期

关键词：

D O I：

10.1063/1.347265

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Two configurations of the phase compensation method are presented to measure the cell gap of a filled twisted nematic liquid crystal display (TN-LCD). The twist angle of the TN-LCD can be any value between 0-degrees and 360-degrees and the pretilt angle can be any practical value. The cell gap measured by this method is the true TN cell gap, namely the thickness of the LC layer which is primarily responsible for the TN optics. Due to this reason, the phase compensation method can also be applied to measure the cell gap of a color TN cell. The measurement uncertainty of this method is within +/- 1%.

引用

页码：1304 / 1309

页数：6

共 12 条

[1]

DEGENNES PG, 1975, PHYSICS LIQUID CRYST

[2]

FRANK FC, 1958, DISCUSS FARADAY SOC, V29, P945

[3]

KAWASAKI K, 1987, SID S, V18, P391

[4]

Kinugawa K., 1986, SOC INF DISPLAY DIGE, V17, P122

[5] THE GENERAL AND SIMPLIFIED JONES MATRIX REPRESENTATIONS FOR THE HIGH PRETILT TWISTED NEMATIC CELL [J].

LIEN, A .

JOURNAL OF APPLIED PHYSICS, 1990, 67 (06) :2853-2856

[6] OPTIMIZATION OF THE OFF-STATES FOR SINGLE-LAYER AND DOUBLE-LAYER GENERAL TWISTED NEMATIC LIQUID-CRYSTAL DISPLAYS [J].

LIEN, A .

IEEE TRANSACTIONS ON ELECTRON DEVICES, 1989, 36 (09) :1910-1914

[7] The theory of liquid crystals. [J].

Oseen, CW .

TRANSACTIONS OF THE FARADAY SOCIETY, 1933, 29 :0883-0898

[8] ELECTROOPTICAL PERFORMANCE OF A NEW, BLACK-WHITE AND HIGHLY MULTIPLEXABLE LIQUID-CRYSTAL DISPLAY [J].

SCHADT, M ;

LEENHOUTS, F .

APPLIED PHYSICS LETTERS, 1987, 50 (05) :236-238

[9] INVESTIGATION OF THE ELECTRO-OPTICAL PROPERTIES OF 270-DEGREES CHIRAL NEMATIC LAYERS IN THE BIREFRINGENCE MODE [J].

SCHEFFER, TJ ;

NEHRING, J .

JOURNAL OF APPLIED PHYSICS, 1985, 58 (08) :3022-3031

[10] A NEW, HIGHLY MULTIPLEXABLE LIQUID-CRYSTAL DISPLAY [J].

SCHEFFER, TJ ;

NEHRING, J .

APPLIED PHYSICS LETTERS, 1984, 45 (10) :1021-1023

← 1 2 →