JPS62176830U

JPS62176830U -

Info

Publication number: JPS62176830U
Application number: JP6478486U
Authority: JP
Priority date: 1986-04-28
Filing date: 1986-04-28
Publication date: 1987-11-10

Description

[Brief explanation of the drawing]

第１図乃至第５図ａ，ｂ，ｃ，ｄは本考案の第
１の実施例を示すもので、第１図はＴＮ形液晶表
示素子パネルを示す一部省略断面図、第２図は各
透明電極の電気的接続状態を示す概略図、第３図
は偏光板の偏光軸が直交するときの各透明電極へ
の電圧の印加の有無を示す表、第４図ａ，ｂ，ｃ
，ｄは偏向方向の変化を示すもので、第４図ａは
第２の透明電極にのみ電圧を印加したときの状態
を示す説明図、第４図ｂは各透明電極のいずれに
も電圧を印加しないときの状態を示す説明図、第
４図ｃは所定の画素に対応する第１の透明電極に
のみ電圧を印加したときの状態を示す説明図、第
４図ｄは所定の画素に対応する第１の透明電極及
び第２の透明電極に電圧を印加したときの状態を
示す説明図、第５図ａ，ｂ，ｃ，ｄは光の透過状
態を示すもので、第５図ａは光が全部透過された
状態を示す説明図、第５図ｂはポジ表示がなされ
ている状態を示す説明図、第５図ｃは光が全部遮
断された状態を示す説明図、第５図ｄはネガ表示
がなされている状態を示す説明図、第６図及び第
７図は本考案の第２の実施例を示すもので、第６
図は偏光板の偏光軸が平行となつているときの各
透明電極への電圧の印加の有無を示す表、第７図
ａ，ｂ，ｃ，ｄは偏光方向の変化を示し、第７図
ａは第２の透明電極にのみ電圧を印加したときの
状態を示す説明図、第７図ｂは各透明電極のいず
れにも電圧を印加しないときの状態を示す説明図
、第７図ｃは所定の画素に対応する第１の透明電
極にのみ電圧を印加したときの状態を示す説明図
、第７図ｄは所定の画素に対応する第１の透明電
極及び第２の透明電極に電圧を印加したときの状
態を示す説明図、第８図は第３の実施例を示すＴ
Ｎ形液晶表示素子パネルを示す一部省略断面図、
第９図は従来のＴＮ形液晶表示素子パネルを示す
一部省略断面図である。図中、１ａ…上部偏光板、１ｂ…下部偏光板（
一方の偏光板）、３ａ…上部液晶層、３ｂ…下部
液晶層（他の液晶層）、４ａ…第１の透明電極、
４ｂ…第２の透明電極、６…スイツチ手段、７…
所定電圧の印加手段（電源）。 1 to 5 a, b, c, and d show a first embodiment of the present invention. FIG. 1 is a partially omitted sectional view showing a TN type liquid crystal display element panel, and FIG. A schematic diagram showing the electrical connection state of each transparent electrode, Fig. 3 is a table showing whether or not a voltage is applied to each transparent electrode when the polarization axes of the polarizing plates are orthogonal, and Fig. 4 a, b, c
, d show changes in the deflection direction. Figure 4a is an explanatory diagram showing the state when voltage is applied only to the second transparent electrode, and Figure 4b is an explanatory diagram showing the state when voltage is applied only to the second transparent electrode. An explanatory diagram showing the state when no voltage is applied, FIG. 4 c is an explanatory diagram showing the state when voltage is applied only to the first transparent electrode corresponding to a predetermined pixel, and FIG. 4 d corresponds to a predetermined pixel. Figures 5a, b, c, and d are explanatory diagrams showing the state when voltage is applied to the first transparent electrode and the second transparent electrode. An explanatory diagram showing a state in which all light is transmitted, FIG. 5 b is an explanatory diagram showing a state in which a positive display is performed, FIG. 5 c is an explanatory diagram showing a state in which all light is blocked, and FIG. 5 d 6 is an explanatory diagram showing a state in which a negative display is made, and FIGS. 6 and 7 show a second embodiment of the present invention.
The figure is a table showing whether or not a voltage is applied to each transparent electrode when the polarization axes of the polarizing plates are parallel. FIG. 7a is an explanatory diagram showing the state when voltage is applied only to the second transparent electrode, FIG. 7b is an explanatory diagram showing the state when no voltage is applied to any of the transparent electrodes, and FIG. An explanatory diagram showing a state when a voltage is applied only to the first transparent electrode corresponding to a predetermined pixel, and FIG. An explanatory diagram showing the state when the voltage is applied, and FIG. 8 shows the third embodiment.
A partially omitted cross-sectional view showing an N-type liquid crystal display element panel,
FIG. 9 is a partially omitted sectional view showing a conventional TN type liquid crystal display element panel. In the figure, 1a...upper polarizing plate, 1b...lower polarizing plate (
one polarizing plate), 3a...upper liquid crystal layer, 3b...lower liquid crystal layer (other liquid crystal layer), 4a...first transparent electrode,
4b...Second transparent electrode, 6...Switch means, 7...
Means for applying a predetermined voltage (power supply).

Claims

[Claims for Utility Model Registration] (1) In a TN type liquid crystal display panel in which a liquid crystal layer and a pair of transparent electrodes for driving the liquid crystal layer are interposed between a pair of polarizing plates, one surface of the liquid crystal layer and one surface of the liquid crystal layer are interposed between a pair of polarizing plates. Another liquid crystal layer is interposed between the polarizing plate and the other liquid crystal layer, and a pair of transparent electrodes are disposed on both sides of the other liquid crystal layer, covering each surface and connected to a means for applying a predetermined voltage via a switch means. A TN type liquid crystal display element panel characterized by the following. (2) The TN type liquid crystal display element panel according to claim 1, wherein the polarizing axes of the polarizing plates are arranged in directions substantially orthogonal to each other. (3) Utility model registration claim 1, characterized in that the polarizing axes of each polarizing plate are provided substantially parallel to each other.
The TN type liquid crystal display element panel described in 2.