JPS59164031U

JPS59164031U - liquid crystal display device

Info

Publication number: JPS59164031U
Application number: JP3705484U
Authority: JP
Inventors: 前沢　修爾
Original assignee: セイコーエプソン株式会社
Priority date: 1984-03-15
Filing date: 1984-03-15
Publication date: 1984-11-02
Also published as: JPS602571Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は、ねじれネマティック型液晶表示装置の断面図
である。第２図は、表示装置を真上から見た場合の分子
の配向方向および偏向板の透過軸方向を表わす。第３図
は、偏光板の透過軸方向を従来のものと本考案のものを
比較して表わす。第４図は表示装置の真上から見た電圧
対コントラスト特性である。第５図は表示装置の低視角
明視方向から見た電圧対コントラスト特性である。１１．１２・・・偏光板、１３．１４・・・透明基板、
１５・・・液晶材料、１６・・・透明電極、１７・・・
シール材、１８・・・真上の視認方向、１９・・・低視
角明視方向の視認方向、２１．２２・・・分子の配向方
向、２３、　２４．　２５．　２６・・・偏光板の透過
軸方向、２７・・・分子のらせん回転方向、３１．　３
２．　３３゜３４・・・本発明による偏光板の透過軸方
向、４１゜、　５１・・・従来の装置の電圧対コントラ
スト特性、４２．４３，５２．５３・・・本考案による
装置の電圧対コントラスト特性。FIG. 1 is a cross-sectional view of a twisted nematic liquid crystal display device. FIG. 2 shows the orientation direction of molecules and the direction of the transmission axis of the deflection plate when the display device is viewed from directly above. FIG. 3 shows a comparison of the transmission axis direction of the polarizing plate between a conventional polarizing plate and a polarizing plate according to the present invention. FIG. 4 shows the voltage versus contrast characteristics seen from directly above the display device. FIG. 5 shows the voltage versus contrast characteristics of the display device viewed from the low viewing angle clear viewing direction. 11.12...Polarizing plate, 13.14...Transparent substrate,
15... Liquid crystal material, 16... Transparent electrode, 17...
Sealing material, 18... Viewing direction directly above, 19... Viewing direction in low viewing angle clear viewing direction, 21.22... Molecular orientation direction, 23, 24. 25. 26... Direction of transmission axis of polarizing plate, 27... Direction of helical rotation of molecules, 31. 3
2. 33゜34... Transmission axis direction of the polarizing plate according to the present invention, 41゜, 51... Voltage versus contrast characteristics of the conventional device, 42.43, 52.53... Voltage versus contrast of the device according to the present invention Characteristic.

Claims

[Scope of utility model registration request]

A twisted nematic type comprising a liquid crystal material, a transparent electrode, two transparent substrates containing the liquid crystal material inside and having the transparent electrode on one side, and two polarizing plates sandwiching the two transparent substrates inside. In the liquid crystal display device, with respect to the two polarizing plates, the transmission axes of the polarizing plates are artificially placed at an angle of 10° to 5° with the molecular orientation direction of the surface of the adjacent liquid crystal layer or with the perpendicular direction thereof. A liquid crystal display device characterized by: