JP2565147B2 - ツイスト角およびセルギャップの測定方法 - Google Patents

ツイスト角およびセルギャップの測定方法

Info

Publication number
JP2565147B2
JP2565147B2 JP6338883A JP33888394A JP2565147B2 JP 2565147 B2 JP2565147 B2 JP 2565147B2 JP 6338883 A JP6338883 A JP 6338883A JP 33888394 A JP33888394 A JP 33888394A JP 2565147 B2 JP2565147 B2 JP 2565147B2
Authority
JP
Japan
Prior art keywords
twist angle
cell gap
liquid crystal
angle
cell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP6338883A
Other languages
English (en)
Japanese (ja)
Other versions
JPH08184413A (ja
Inventor
研 住吉
頼子 畑田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP6338883A priority Critical patent/JP2565147B2/ja
Priority to KR1019950061272A priority patent/KR0158045B1/ko
Priority to TW84114116A priority patent/TW309586B/zh
Publication of JPH08184413A publication Critical patent/JPH08184413A/ja
Application granted granted Critical
Publication of JP2565147B2 publication Critical patent/JP2565147B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Liquid Crystal (AREA)
JP6338883A 1994-12-29 1994-12-29 ツイスト角およびセルギャップの測定方法 Expired - Fee Related JP2565147B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP6338883A JP2565147B2 (ja) 1994-12-29 1994-12-29 ツイスト角およびセルギャップの測定方法
KR1019950061272A KR0158045B1 (ko) 1994-12-29 1995-12-28 액정 셀의 갭 및 트위스트각을 측정하기 위한 방법 및 장치
TW84114116A TW309586B (ko) 1994-12-29 1995-12-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6338883A JP2565147B2 (ja) 1994-12-29 1994-12-29 ツイスト角およびセルギャップの測定方法

Publications (2)

Publication Number Publication Date
JPH08184413A JPH08184413A (ja) 1996-07-16
JP2565147B2 true JP2565147B2 (ja) 1996-12-18

Family

ID=18322285

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6338883A Expired - Fee Related JP2565147B2 (ja) 1994-12-29 1994-12-29 ツイスト角およびセルギャップの測定方法

Country Status (3)

Country Link
JP (1) JP2565147B2 (ko)
KR (1) KR0158045B1 (ko)
TW (1) TW309586B (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3535786B2 (ja) * 1999-12-03 2004-06-07 Necエレクトロニクス株式会社 液晶表示素子評価法及び評価装置
US6633358B1 (en) * 2000-11-15 2003-10-14 The Hong Kong University Of Science And Technology Methods and apparatus for measurement of LC cell parameters

Also Published As

Publication number Publication date
KR0158045B1 (ko) 1999-05-01
TW309586B (ko) 1997-07-01
JPH08184413A (ja) 1996-07-16

Similar Documents

Publication Publication Date Title
JP3910352B2 (ja) プレチルト角検出方法及び検出装置
JPH04307312A (ja) 液晶セルのギャップ厚測定方法
US6490036B2 (en) Measuring method of liquid crystal pretilt angle and measuring equipment of liquid crystal pretilt angle
Han et al. Accurate measurement of the pretilt angle in a liquid crystal cell by an improved crystal rotation method
US6633358B1 (en) Methods and apparatus for measurement of LC cell parameters
EP0603863B1 (en) Birefringent member cell gap measurement method and instrument
KR100293008B1 (ko) 액정프리틸트각의측정방법및액정프리틸트각의측정장치
US6757062B2 (en) Method and device for measuring thickness of liquid crystal layer
JP2565147B2 (ja) ツイスト角およびセルギャップの測定方法
Tanaka et al. Renormalized ellipsometry for determining the anisotropic refractive indices of nematic liquid crystals
JP3936712B2 (ja) 検出対象のパラメータ検出方法及び検出装置
JP2576781B2 (ja) 複屈折体のセルギャップ測定方法およびその装置
JP2606152B2 (ja) プレチルト角測定装置
JP3142805B2 (ja) 液晶セルパラメータ検出方法及び装置
JP2778935B2 (ja) ネマチック液晶素子の方位角方向のアンカリングエネルギ−測定方法
Jánossy High-precision measurement of azimuthal rotation of liquid crystals on solid substrates
KR950014106B1 (ko) 액정 디스플레이에 사용되는 위상차 필름의 위상차 값 측정장치
JP2635803B2 (ja) 液晶セルおよび液晶の物性値測定方法とそれを用いた測定装置
JPH08128946A (ja) 光学特性測定方法及び測定装置
JP3787344B2 (ja) 液晶素子のパラメータ検出方法及び検出装置
Choi P‐85: Reflective Liquid‐Crystal Cell‐Gap Measurement Using Input‐Polarization‐Angle Dependence
Simon et al. About the optical activity of incommensurate [N (CH3) 4] 2ZnCl4 (TMAZC)
JP3859565B2 (ja) 液晶パネルのギャップ検出方法及び検出装置
Chang et al. Automatic LCD electro-optical characteristics measurement system based on generalized spectroscopic ellipsometry
JP3609311B2 (ja) 液晶表示素子の方位角アンカリングエネルギ評価方法及び装置

Legal Events

Date Code Title Description
FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20071003

Year of fee payment: 11

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20081003

Year of fee payment: 12

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20091003

Year of fee payment: 13

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20091003

Year of fee payment: 13

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20101003

Year of fee payment: 14

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20111003

Year of fee payment: 15

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20121003

Year of fee payment: 16

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131003

Year of fee payment: 17

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131003

Year of fee payment: 17

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131003

Year of fee payment: 17

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees