JPS62153832A

JPS62153832A - Liquid crystal display device

Info

Publication number: JPS62153832A
Application number: JP29716085A
Authority: JP
Inventors: Yuji Tanaka; 祐二田中
Original assignee: Stanley Electric Co Ltd
Current assignee: Stanley Electric Co Ltd
Priority date: 1985-12-26
Filing date: 1985-12-26
Publication date: 1987-07-08

Abstract

PURPOSE:To display images in the blue mode and the yellow mode of the SBE mode of high display quality in high duty driving by connecting a 90 deg. TN cell to a SBE cell. CONSTITUTION:A SBE cell 10 is constituted of one cell and a 90 deg. TN cell 20 of a whole electrode is constituted of the other cell, and polarizing plates 16 and 26 are stuck to front and rear faces so that the direction of polarization of the polarizing plate 26 stuck to the 90 deg. TN cell is orthogonal to or parallel with the direction of orientation of the inside face of a substrate 21B to which the polarizing plate 26 is stuck. If the polarizing plate 16 is so stuck that the yellow mode is set when the 90 deg. TN cell 20 is not present, the cell 10 is set to the blue mode when the 90 deg. TN cell 20 is provided, and the optical rotatory power of a liquid crystal disappears to return the mode to the yellow mode when an electric field is applied to this cell 10. A black image is displayed on a yellow ground in the yellow mode, and a white image is displayed on a blue ground in the blue mode. If the polarizing plate 16 is so stuck that the yellow mode is set when there is not the 90 deg. TN cell 20, the yellow mode is set in case of non-application of the electric field and the blue mode is set in case of application of the electric field when the 90 deg. TN cell 20 is provided.

Description

【発明の詳細な説明】［技術分野］本発明は、ＳＢＥ　（スーパーツイスト複屈折効宋）を
利用した液晶表示装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a liquid crystal display device using SBE (super twist birefringence effect).

［従来技術］Ｓ　［３Ｅモードにおいて、液晶はヒルの厚み方向に１
５０°〜３００°程度ねじれるにうに配向処理が施され
るとともに、偏光板がラビング方向から適当にずれた角
度（偏光様相互も適当な角度間隔）で貼られでいる。[Prior art] S [In 3E mode, the liquid crystal is
An orientation treatment is performed to twist the rays by about 50° to 300°, and the polarizing plates are attached at an appropriately shifted angle from the rubbing direction (the polarizing plates are also placed at appropriate angular intervals).

両偏光板の一方をイの状態で固定し、他方を上述の状態
、あるいは９０°回転した状態どすると、青色モードま
たは黄色モードを選択でさる。If one of the polarizing plates is fixed in the A state and the other is in the above-mentioned state or rotated by 90 degrees, the blue mode or the yellow mode can be selected.

しかし、このような構成では、偏光板の偏光方向により
青色［−ド、黄色ｔ−ドのいずれか一方しか表示できな
いことになる。However, with such a configuration, only one of blue color and yellow color can be displayed depending on the polarization direction of the polarizing plate.

［発明の目的１本発明の「１的は、高デユーディ駆動で表示品位の高い
５ＢＦ１１−一ドで、青色［−ド、黄色［−ドを任意に
選択できる液晶表示装置を１！ｉ！供寸ろことにある。[Objective of the Invention 1] The first object of the present invention is to provide a liquid crystal display device with a high duty drive and high display quality in 5BF11-1, which can arbitrarily select blue [-] and yellow [-]. It's in the exact details.

［１明の概要］本発明は、二つのセルの積層または３枚の透明基板等に
より２層セルを形成し、その−ｌノのピルｒｓ［３Ｅセ
ルを、他方のセルでベタ電極の９０°ＴＮヒルを構成し
、前後面に偏光板を、その９０°ＴＮレル側の漏光板の
偏光方向が貼（Ｊ　＝Ｊる基板内向面の配向方向と直交
または平行づるように貼つｆ＝１けたことを特徴とする
ものであり、ＳＢＥモードでの青色モード表示と黄色モ
ード表示が自在となる。[Overview of 1 Ming] The present invention forms a two-layer cell by laminating two cells or by three transparent substrates, etc., forming a two-layer cell by stacking two cells, forming a two-layer cell by stacking two cells, forming a two-layer cell by stacking two cells, and forming a two-layer cell by stacking a two-layer cell with a solid electrode. A °TN hill is constructed, and polarizing plates are pasted on the front and rear surfaces so that the polarization direction of the light leakage plate on the 90° TN side is perpendicular or parallel to the orientation direction of the inward surface of the substrate f = It is characterized by a single digit, and can be freely displayed in blue mode or yellow mode in SBE mode.

［実施例］第１図は本発明の一実施例を示すもので、１０は５ＢＥ
ｔ？ル、２０は９０°ＴＮ配列セルであり、両セル１０
．２０を接合し、かつその接合面の偏光板を省いた形と
している。[Example] Figure 1 shows an example of the present invention, where 10 is 5BE.
T? 20 is a 90°TN array cell, and both cells 10
．． 20 are bonded together, and the polarizing plate on the bonded surface is omitted.

前記５ＢＥｔフル１０は、２枚のガラス基板１１Ａ。The 5BEt full 10 has two glass substrates 11A.

１１Ｂを、その内向面に透明’ａｉｉ、例えばドツトマ
トリクス形表示の表示電極１２Ａ、走査電極１２Ｂを形
成するとともに、配向１１１１３Ａ、　１３Ｂを形成し
、更に１５０゛〜３００°程度のスーパーツイスト分子
配列とづる配向処理を施した後、微小間隔で対向させ、
ぞの周縁部をシール剤１４で接着してセルを形成し、ヒ
ル内部に１５０゛〜３００°捩り液晶１５を注入し、基
板１１△に偏光板１６を貼り付けたＭ４造としでいる。11B, a transparent 'aii, for example, a dot matrix type display display electrode 12A and a scanning electrode 12B are formed on the inward facing surface, orientations 11113A and 13B are formed, and a super twisted molecular arrangement of about 150° to 300° is formed. After applying the vertical orientation treatment, the two are placed facing each other at a minute interval,
A cell is formed by bonding the peripheral edge of each with a sealant 14, a liquid crystal 15 twisted by 150° to 300° is injected into the inside of the hill, and a polarizing plate 16 is attached to a substrate 11Δ, making it an M4 structure.

一方、前記９０°ＴＮ配列セル２０は、２枚のガラス基
板１２Ａ、　２１Ｂを、その内向面に透Ｉｌｌ電極２２
Ａ。On the other hand, the 90° TN array cell 20 has two glass substrates 12A and 21B with transparent Ill electrodes 22 on their inward surfaces.
A.

２２Ｂをベタ電極（仝面に形成される電極）となるよう
に形成づるととしに、配向膜２３Δ、２３Ｂを形成し、
更に９０°ツイスト分子配列とする配向処理を施した後
、微小間隔で対向させ、その周縁部をシール剤２４で接
着してヒルを形成し、セル内部に９０°ＴＮ液晶２５を
ｉＦ人し、基板２１Ｂに偏光板２Ｇを貼り付けた構造と
し、その基板２１Ａを前記ＳＢＥセル１０の基板１１Ｂ
に接合させている。22B is formed as a solid electrode (an electrode formed on the other side), alignment films 23Δ and 23B are formed,
Further, after performing an alignment treatment to obtain a 90° twisted molecular arrangement, they are made to face each other at a minute interval, their peripheral edges are adhered with a sealant 24 to form a hill, and a 90° TN liquid crystal 25 is placed inside the cell. It has a structure in which a polarizing plate 2G is attached to a substrate 21B, and the substrate 21A is used as the substrate 11B of the SBE cell 10.
It is joined to.

なお、両セル１０．２０は、その配向処理に際して有機
、無機配向Ｉ１９のラビングやＳｉｏ２の蒸着などを行
っている。また、液晶には、　１５０°〜３００°捩る
ようにカイラル剤を添加している。更に、基板２１Ｂの
配向方向は、それに隣接する偏光板２Ｇの偏光方向に直
交または平行するようにする。In addition, both cells 10 and 20 undergo rubbing for organic and inorganic orientation I19 and vapor deposition of Sio2 during the orientation treatment. Furthermore, a chiral agent is added to the liquid crystal so that it is twisted by 150° to 300°. Furthermore, the orientation direction of the substrate 21B is made perpendicular or parallel to the polarization direction of the polarizing plate 2G adjacent thereto.

このような構造と１６と、９０’ＴＮｔ？ル２０がない
時に黄色モードになるように偏光板が貼られた場合、９
０°Ｔｆ’ｌル２０が添設されたことにより、その旋光
性によって光は９０°旋光されるようになり、このセル
１０は青色モードになる。また、このセル１０に電界が
印加されると、液晶の旋光性がなくなり、黄色モードに
戻る。黄色モードは黄地に黒、青色［−ドは前項に白の
表示である。Such a structure and 16 and 90'TNt? If a polarizing plate is attached to switch to yellow mode when there is no light 20, 9
By adding the 0° Tf'l lens 20, the light is rotated by 90° due to its optical rotation, and this cell 10 becomes in the blue mode. Further, when an electric field is applied to this cell 10, the optical rotation of the liquid crystal disappears, and the mode returns to yellow mode. The yellow mode is black on a yellow background, and blue is displayed as white in the previous section.

一方、９０°ＴＮセル２０がない時に青色モードならば
、９０°ＴＮセル２０が配設されたことにより、電界無
印加時に黄色モード、電界印加簡に青色モードになる。On the other hand, if the 90° TN cell 20 is in the blue mode when the 90° TN cell 20 is not present, the 90° TN cell 20 is provided, so that the yellow mode is set when no electric field is applied, and the blue mode is easily set when an electric field is applied.

なお、上記実施例では個別のセルを積層した形としたが
、３枚のガラス基板などにより２層セルを形成し、その
一方でＳ［３Ｅセル、他方で９０゜ＴＮｔ？ルを構成す
るようにしてもよい。In the above embodiment, individual cells were stacked, but a two-layer cell was formed using three glass substrates, one of which was an S[3E cell, and the other was a 90°TNt? It is also possible to configure a file.

［発明の効果］以上のように本発明によれば、ＳＢＥセルに９０°　Ｉ
Ｎセルを連設したので、高ｆ１−ティ駆動において表示
品位の高いＳ　Ｂ　Ｅ　’Ｅ−ドの青色モード表示、黄
色モード表示を行うことができる。[Effects of the Invention] As described above, according to the present invention, the SBE cell is
Since N cells are arranged in series, blue mode display and yellow mode display of SBE'E-mode with high display quality can be performed in high f1-T drive.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本発明に係る液晶表示装置の一実施例を示す所
面図である。１０・・・５ＢＥｔ？ルFIG. 1 is a top view showing an embodiment of a liquid crystal display device according to the present invention. 10...5 BEt? le

Claims

【特許請求の範囲】[Claims]

二つのセルの積層または３枚の透明基板等により２層セ
ルを形成し、その一方のセルでＳＢＥセルを、他方のセ
ルでベタ電極の９０°ＴＮセルを構成し、前後面に偏光
板を、その９０°ＴＮセル側の偏光板の偏光方向が貼付
する基板内向面の配向方向と直交または平行するように
貼り付けたことを特徴とする液晶表示装置。A two-layer cell is formed by stacking two cells or three transparent substrates, etc., one of which is an SBE cell, the other is a 90° TN cell with a solid electrode, and polarizing plates are attached to the front and rear surfaces. , a liquid crystal display device characterized in that the polarizing plate on the 90° TN cell side is attached such that the polarization direction of the polarizing plate is perpendicular or parallel to the alignment direction of the inward surface of the substrate to which it is attached.