JPH0433023U

JPH0433023U -

Info

Publication number: JPH0433023U
Application number: JP7523290U
Authority: JP
Priority date: 1990-07-17
Filing date: 1990-07-17
Publication date: 1992-03-18

Description

[Brief explanation of the drawing]

第１図〜第６図は本考案の一実施例を示したも
ので、第１図は液晶表示装置の断面図、第２図は
第１の液晶セルの電極パターン図、第３図は第２
の液晶セルの電極パターン図、第４図〜第６図は
それぞれ第１の液晶セル１１における表示領域と
非表示領域との境界部付近の画素表示状態を示す
図である。第７図〜第１１図は従来の液晶表示装
置を示したもので、第７図は液晶表示装置の断面
図、第８図は表示用液晶セルの電極パターン図、
第９図〜第１１図はそれぞれ表示用液晶セルの画
素表示状態を示す図である。１１……第１の液晶セル、１２ａ，１２ｂ……
基板、１４ａ……信号電極、１４ｂ……走査電極
、１５ａ，１５ｂ……セルギヤツプ調整用絶縁膜
、１６ａ，１６ｂ……配向膜、ＬＣ_１１……液晶
、Ａ_１１……表示領域、Ｂ_１１……非表示領域、
１１……第２の液晶セル、２２ａ，２２ｂ……基
板、２４ａ……信号電極、２４ｂ……走査電極、
２５ａ，２５ｂ……セルギヤツプ調整用絶縁膜、
２６ａ，２６ｂ……配向膜、ＬＣ_２１……液晶、
Ａ_２１……表示領域、Ｂ_２１……非表示領域、３
０ａ，３０ｂ……偏光板。 1 to 6 show an embodiment of the present invention, in which FIG. 1 is a cross-sectional view of a liquid crystal display device, FIG. 2 is a diagram of the electrode pattern of the first liquid crystal cell, and FIG. 2
The electrode pattern diagrams of the liquid crystal cell and FIGS. 4 to 6 are diagrams showing pixel display states near the boundary between the display area and the non-display area in the first liquid crystal cell 11, respectively. 7 to 11 show conventional liquid crystal display devices, FIG. 7 is a cross-sectional view of the liquid crystal display device, FIG. 8 is an electrode pattern diagram of a display liquid crystal cell,
FIGS. 9 to 11 are diagrams each showing a pixel display state of a display liquid crystal cell. 11...first liquid crystal cell, 12a, 12b...
Substrate, 14a...Signal electrode, 14b...Scanning electrode, 15a, 15b...Insulating film for cell gap adjustment, 16a, 16b...Alignment film, _LC11 ...Liquid crystal, _A11 ...Display area, _B11 ... hidden area,
11... Second liquid crystal cell, 22a, 22b... Substrate, 24a... Signal electrode, 24b... Scanning electrode,
25a, 25b...Insulating film for cell gap adjustment,
26a, 26b... alignment film, LC ₂₁ ... liquid crystal,
_A21 ...Display area, _B21 ...Non-display area, 3
0a, 30b...Polarizing plate.

Claims

[Claims for Utility Model Registration] A first liquid crystal cell in which a liquid crystal is sealed between a pair of substrates and molecules of the liquid crystal are arranged in a twisted manner between the pair of substrates; and a second liquid crystal cell in which molecules of the liquid crystal cell are arranged in a twisted manner in a direction opposite to that of the first liquid crystal cell at substantially the same twist angle, and each of the first and second liquid crystal cells has a portion of its liquid crystal enclosing area. One half is a display area and the other half is a non-display area, and a large number of scanning electrodes parallel to the boundary line between the display area and the non-display area are formed in the display area part of one substrate surface, and the other half is a non-display area. The first and second liquid crystal cells have a structure in which a large number of signal electrodes perpendicular to the scanning electrodes are formed in the display area portion of the surface with the end portions of the electrodes on the boundary side extending toward the non-display area side. are stacked with the display area of one liquid crystal cell and the non-display area of the other liquid crystal cell facing each other, and a pair of polarizing plates are arranged on both sides, and the first and second liquid crystals The thickness of the liquid crystal layer in the non-display area of the cell is made smaller than the thickness of the liquid crystal layer in the display area, so that Δn・d(
The value of the product of the refractive index anisotropy Δn of the liquid crystal and the liquid crystal layer thickness d is made smaller than the value of Δn·d of the display area, and the value of Δn·d of the display areas of the first and second liquid crystal cells is The values of the first and second
A liquid crystal display device characterized in that the values of Δn·d in the non-display area of the liquid crystal cell are approximately equal.