JPH06138488A - Liquid crystal display device - Google Patents
Liquid crystal display deviceInfo
- Publication number
- JPH06138488A JPH06138488A JP29161892A JP29161892A JPH06138488A JP H06138488 A JPH06138488 A JP H06138488A JP 29161892 A JP29161892 A JP 29161892A JP 29161892 A JP29161892 A JP 29161892A JP H06138488 A JPH06138488 A JP H06138488A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- thin film
- driving circuit
- display device
- drive circuit
- 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.)
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- Liquid Crystal Display Device Control (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は表示装置に関するもので
あり、特に非線形素子を備えた液晶表示装置に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device, and more particularly to a liquid crystal display device having a non-linear element.
【０００２】[0002]
【従来の技術】有力な平面ディスプレイであるアクティ
ブマトリクス型の液晶表示装置が大量生産され始めてい
る。平面ディスプレイは、空間占有スペースが小さく、
軽量であることから、携帯コンピューターの表示装置や
産業用機械の表示部などに使用されている。将来は、画
面の大型化や高精細化が進み、家庭用のテレビジョンの
応用が期待される。薄膜トランジスタを駆動素子に用い
た液晶表示装置では、高精細化の有力な手段として駆動
回路を絵素と同一基板に構成する方法がある。従来の駆
動回路内蔵型の液晶表示装置の構造の一部を、分かりや
すく斜視図で図５に示す。図５は液晶表示装置の対向基
板の一部を切りとったように見た模視図である。2. Description of the Related Art Active matrix type liquid crystal display devices, which are influential flat displays, have begun to be mass-produced. The flat display occupies a small space,
Due to its light weight, it is used for display devices of portable computers and display parts of industrial machines. In the future, the screens will become larger and the definition will become higher, and it is expected that home-use televisions will be applied. In a liquid crystal display device using a thin film transistor as a drive element, there is a method of forming a drive circuit on the same substrate as a pixel as a powerful means for achieving high definition. FIG. 5 is a perspective view showing a part of the structure of a conventional liquid crystal display device with a built-in drive circuit in an easily understandable manner. FIG. 5 is an imitation view of a liquid crystal display device as if the counter substrate was partially cut away.
【０００３】ガラス基板５０１上に薄膜トランジスタで
構成されたＸ側駆動回路５０２と、Ｙ側駆動回路５０３
が封止部５０４の外側に構成されており、Ｘ側駆動回路
５０２からはデータライン５０５が、Ｙ側駆動回路５０
３からはゲートライン５０６が、それぞれ封止部５０４
を通過して表示領域に延びており、このデータライン５
０５とゲートライン５０６の交差部に、絵素５０７に信
号を与える薄膜トランジスタが構成されている。薄膜ト
ランジスタのソース領域とデータライン５０５はスルー
ホール５０８を通して、またドレイン領域と絵素電極５
０７はスルーホール５０９を通してそれぞれ電気的に接
続されている。データライン５０５の信号はゲート電極
５１０の電位によって絵素電極５０７に伝えられる。An X-side drive circuit 502 composed of thin film transistors and a Y-side drive circuit 503 are formed on a glass substrate 501.
Is formed outside the sealing portion 504, and the data line 505 is connected from the X side drive circuit 502 to the Y side drive circuit 50.
3 from the gate line 506, respectively the sealing portion 504
This data line 5 extends through the
A thin film transistor for giving a signal to the pixel 507 is formed at the intersection of 05 and the gate line 506. The source region of the thin film transistor and the data line 505 pass through the through hole 508, and the drain region and the pixel electrode 5
07 are electrically connected to each other through through holes 509. The signal on the data line 505 is transmitted to the pixel electrode 507 by the potential of the gate electrode 510.
【０００４】また、Ｘ側駆動回路とＹ側駆動回路には外
部端子５１１、５１２が接続されている。この外部端子
には、画像表示に必要なビデオ信号や駆動回路を駆動す
るためのクロック信号、駆動電位信号が伝えられる。External terminals 511 and 512 are connected to the X-side drive circuit and the Y-side drive circuit. A video signal necessary for image display, a clock signal for driving a driving circuit, and a driving potential signal are transmitted to the external terminal.
【０００５】絵素電極５０７が構成されている基板５０
１と共通電極が形成されている対向基板５１３の間に液
晶を封入してアクティブマトリクス型の液晶表示装置が
構成されている。Substrate 50 on which picture element electrodes 507 are formed
A liquid crystal is sealed between 1 and the counter substrate 513 on which the common electrode is formed to form an active matrix liquid crystal display device.
【０００６】図５の液晶表示装置の絵素電極が形成され
ている基板の平面図を図６に示した。Ｘ側駆動回路６０
２から延びたデータライン６０５と、Ｙ側駆動回路６０
３から延びたゲートライン６０６は、それぞれ液晶封止
部６０４を通過して表示領域に達し、データライン６０
５とゲートライン６０６の交差部に薄膜トランジスタが
構成されている。FIG. 6 shows a plan view of a substrate on which the pixel electrodes of the liquid crystal display device of FIG. 5 are formed. X side drive circuit 60
2 and the data line 605 extending from 2 and the Y side drive circuit 60
The gate lines 606 extending from 3 reach the display area through the liquid crystal sealing unit 604, and the data lines 60
A thin film transistor is formed at the intersection of 5 and the gate line 606.
【０００７】図７は、アクティブマトリクス基板の概略
平面図である。データライン７０５とゲートライン７０
６の交差部に絵素をスイッチングする薄膜トランジスタ
７１７が形成される。動画像を十分表現できるのに必要
な画素数は、Ｘ側で４００列程度、Ｙ側で３００行程度
である。すると従来のように駆動回路内蔵の液晶表示装
置の場合には、４００本以上のデータラインと、３００
本以上のゲートラインが液晶封止部７０４を通過する構
造となっていた。FIG. 7 is a schematic plan view of an active matrix substrate. Data line 705 and gate line 70
A thin film transistor 717 for switching a pixel is formed at the intersection of 6 and 6. The number of pixels required to sufficiently express a moving image is about 400 columns on the X side and about 300 rows on the Y side. Then, in the case of a liquid crystal display device having a built-in drive circuit as in the conventional art, 400 or more data lines and 300
A structure in which more than one gate line passes through the liquid crystal sealing portion 704 has been adopted.
【０００８】さらに、従来の液晶表示装置の液晶封止部
付近の、図６のＡ−Ａ’に沿った断面の模式図を図８に
示す。Further, FIG. 8 shows a schematic view of a cross section taken along the line AA ′ in FIG. 6 in the vicinity of the liquid crystal sealing portion of the conventional liquid crystal display device.
【０００９】ガラス基板８０１上に薄膜トランジスタが
形成されており、そのドレイン領域８１８に絵素電極８
０７が接続されている。絵素電極８０７は、酸化珪素膜
でできた層間絶縁膜８１９上に被着形成されている。A thin film transistor is formed on a glass substrate 801, and a pixel electrode 8 is formed in its drain region 818.
07 is connected. The pixel electrode 807 is deposited on the interlayer insulating film 819 made of a silicon oxide film.
【００１０】また、共通電極８２１が形成された対向基
板８１３とガラス基板８０１の間に液晶８２２が封止さ
れている。また、駆動回路は液晶封止部８０４の外側に
構成されている。A liquid crystal 822 is sealed between a counter substrate 813 on which a common electrode 821 is formed and a glass substrate 801. Further, the drive circuit is formed outside the liquid crystal sealing unit 804.
【００１１】[0011]
【発明が解決しようとする課題】ところが、上記の従来
の液晶表示装置の構造では、液晶封止部を通過する配線
が、データラインとゲートライン合わせて数百本ある。
そのため高温多湿の使用環境ではデータラインやゲート
ラインと液晶封止部との界面から水分や二酸化炭素、酸
化窒素などの成分が侵入することにより、液晶が劣化し
表示特性が著しく低下するために、液晶表示装置を長期
間使用できない問題点があった。However, in the structure of the above-mentioned conventional liquid crystal display device, there are several hundreds of wirings passing through the liquid crystal sealing portion, including the data line and the gate line.
Therefore, in a high-temperature and high-humidity environment, components such as water, carbon dioxide, and nitric oxide enter from the interface between the data line or gate line and the liquid crystal encapsulation, which causes the liquid crystal to deteriorate and display characteristics to significantly deteriorate. There is a problem that the liquid crystal display device cannot be used for a long period of time.
【００１２】[0012]
【課題を解決するための手段】複数枚の透明基板に液晶
を挟持し、少なくとも一方の基板上に非線形素子が形成
された液晶表示装置において、透明導電膜によって形成
された絵素電極が、有機薄膜上に形成されており、絵素
電極に信号を与える非線形素子を駆動する薄膜トランジ
スタを含む素子で構成された駆動回路が、液晶表示装置
の液晶の封止部と基板の間に構成されており、駆動回路
上には有機薄膜と透明導電膜が順次被着形成されてお
り、上記駆動回路上に形成されている透明導電性膜と対
向電極の間は、電気的に接合していることを特徴とする
液晶表示装置。In a liquid crystal display device in which a liquid crystal is sandwiched between a plurality of transparent substrates and a non-linear element is formed on at least one substrate, a pixel electrode formed by a transparent conductive film is A drive circuit that is formed on a thin film and that includes an element including a thin film transistor that drives a non-linear element that gives a signal to a pixel electrode is formed between a liquid crystal sealing portion of a liquid crystal display device and a substrate. The organic thin film and the transparent conductive film are sequentially deposited on the drive circuit, and the transparent conductive film and the counter electrode formed on the drive circuit are electrically connected. Characteristic liquid crystal display device.
【００１３】[0013]
【実施例】次に、本発明の具体的な実施例を図面を参照
しながら説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, specific embodiments of the present invention will be described with reference to the drawings.
【００１４】図１は、液晶表示装置の内部構造が分かり
やすく、対向基板の一部を除いて表現した模式的な斜視
図である。FIG. 1 is a schematic perspective view in which the internal structure of the liquid crystal display device is easy to understand and a part of the counter substrate is removed.
【００１５】ガラス基板１０１上に薄膜トランジスタで
回路が組まれたＸ側駆動回路１０２とＹ側駆動回路１０
３が構成されている。これらの駆動回路は液晶封止部１
０４とガラス基板１０１の間に配置されている。Ｘ側駆
動回路からはデータライン１０５が、Ｙ側駆動回路から
はゲートライン１０６が表示領域に延びている。データ
ライン１０５は表示領域の絵素１０７のスイッチングを
する薄膜トランジスタのソース領域にスルーホール１０
８を通して電気的に接続され、また薄膜トランジスタの
ドレイン領域はスルーホール１０９を通して絵素１０７
に電気的に接続されている。またゲートライン１０６
は、この表示領域のスイッチングするようそれぞれの薄
膜トランジスタのゲート電極１１０も兼ねている。薄膜
トランジスタが形成されたガラス基板１０１と共通電極
が形成された対向基板１１３で液晶を挟み、液晶封止部
１０４で封入している。さらに、Ｘ側駆動回路１０２に
は、クロック信号、ビデオ信号などの配線が接続され、
液晶封止部１０４を通過して外部端子１１１につながっ
ている。また、Ｙ側駆動回路でも同様にクロック信号な
どの配線が接続され、外部端子１１２につながってい
る。また、Ｘ側駆動回路とＹ側駆動回路の上部には、有
機薄膜１１６を挟んで絵素電極と同じ材質の導電性膜１
１４が形成されている。An X-side drive circuit 102 and a Y-side drive circuit 10 in which a circuit is formed by thin film transistors on a glass substrate 101.
3 are configured. These drive circuits are the liquid crystal sealing unit 1.
04 and the glass substrate 101. A data line 105 extends from the X side drive circuit and a gate line 106 extends from the Y side drive circuit to the display region. The data line 105 is provided with a through hole 10 in the source region of the thin film transistor that switches the pixel 107 in the display region.
8 and the drain region of the thin film transistor through the through hole 109.
Electrically connected to. In addition, the gate line 106
Also serves as the gate electrode 110 of each thin film transistor so as to switch the display region. Liquid crystal is sandwiched between a glass substrate 101 on which a thin film transistor is formed and a counter substrate 113 on which a common electrode is formed, and the liquid crystal is sealed by a liquid crystal sealing portion 104. Further, wirings for clock signals, video signals, etc. are connected to the X-side drive circuit 102,
It passes through the liquid crystal sealing portion 104 and is connected to the external terminal 111. Similarly, in the Y-side drive circuit as well, wirings for clock signals and the like are connected to the external terminals 112. In addition, a conductive film 1 made of the same material as the pixel electrode is formed above the X-side drive circuit and the Y-side drive circuit with the organic thin film 116 interposed therebetween.
14 is formed.
【００１６】さらに、、対向基板１１３に被着形成され
た共通電極と導電性膜１１４を導電性材１１５で電気的
に接合している。Further, the common electrode deposited on the counter substrate 113 and the conductive film 114 are electrically joined by the conductive material 115.
【００１７】図２に、発明の液晶表示装置の薄膜トラン
ジスタが形成されているアクティブマトリクス基板の一
部を拡大した平面図を示した。駆動回路は液晶封止部と
ガラス基板の間に構成され、Ｘ側駆動回路２０２から表
示領域に延びたデータライン２０５と、Ｙ側駆動回路２
０３からゲートライン２０６の交差部に薄膜トランジス
タが構成されている。また、駆動回路を駆動するために
必要な配線２１１、２１２が、駆動回路から外部に延び
ている。また、絵素電極の開口率を上げるために、ゲー
トラインと絵素電極の一部を重ね、さらにソースライン
と絵素電極の一部を重ねている。つまり、ゲートライン
とデータラインは、表示領域の絵素部分以外の領域でア
クティブマトリクス背面から入射する光を遮る遮光膜と
なっている。このとき、ゲートラインやソースラインと
絵素電極の間には厚さが１μｍ以上の有機薄膜が形成さ
れているため、絵素電極に印加された信号の歪は、ほと
んど発生しない。FIG. 2 shows an enlarged plan view of a part of the active matrix substrate in which the thin film transistor of the liquid crystal display device of the invention is formed. The drive circuit is formed between the liquid crystal sealing portion and the glass substrate, and has a data line 205 extending from the X side drive circuit 202 to the display area and a Y side drive circuit 2.
A thin film transistor is formed at the intersection of 03 to the gate line 206. Wirings 211 and 212 required for driving the drive circuit extend from the drive circuit to the outside. Further, in order to increase the aperture ratio of the pixel electrode, a part of the gate line and the pixel electrode are overlapped with each other, and further, a part of the source line and the pixel electrode are overlapped with each other. That is, the gate line and the data line are light-shielding films that block the light incident from the back surface of the active matrix in regions other than the pixel portion of the display region. At this time, since the organic thin film having a thickness of 1 μm or more is formed between the gate line or the source line and the pixel electrode, the distortion of the signal applied to the pixel electrode hardly occurs.
【００１８】図１の液晶表示装置の絵素電極が形成され
ているアクティブマトリクス基板の概略平面図を図３に
示した。FIG. 3 shows a schematic plan view of an active matrix substrate in which the pixel electrodes of the liquid crystal display device of FIG. 1 are formed.
【００１９】Ｘ側駆動回路３０２からデータライン３０
５とＹ側駆動回路３０３からゲートライン３０６が表示
領域に延び 、データラインとゲートラインの交差部に
薄膜トランジスタ３１６と絵素電極が形成されている。From the X-side drive circuit 302 to the data line 30
5, a gate line 306 extends from the Y-side drive circuit 303 to the display area, and a thin film transistor 316 and a pixel electrode are formed at the intersection of the data line and the gate line.
【００２０】液晶封止部３０４とガラス基板３０１の間
に駆動回路が構成されているため、Ｘ側駆動回路３０２
から延びた数百本のデータライン３０５と、Ｙ側駆動回
路３０３から延びた数百本のゲートライン３０６はそれ
ぞれ液晶封止部３０４を通過することはない。Since the drive circuit is formed between the liquid crystal sealing portion 304 and the glass substrate 301, the X side drive circuit 302 is formed.
The hundreds of data lines 305 extending from and the hundreds of gate lines 306 extending from the Y-side drive circuit 303 do not pass through the liquid crystal sealing unit 304.
【００２１】このように液晶封止部を通過する配線がほ
とんどないため、表示領域に侵入する液晶を劣化する原
因となる水分やガスは極端に減少する。よって、安定し
た高品質の画質の液晶表示装置を、今までより１０倍以
上の長期に渡って使用することが可能になった。Since there is almost no wiring that passes through the liquid crystal sealing portion as described above, the amount of water or gas that causes deterioration of the liquid crystal that enters the display area is extremely reduced. Therefore, it has become possible to use a stable and high-quality liquid crystal display device for a long period of 10 times or more than before.
【００２２】次に、図２のＡ−Ａ’線に沿ったアクティ
ブマトリクス基板の断面図を図４に示す。この図では図
１で表現できなかった層間絶縁膜が示されている。ガラ
ス基板４０１上に薄膜トランジスタで構成された駆動回
路４０２が液晶封止部の内部に形成されている。表示領
域の薄膜トランジスタで信号が印加される絵素は、酸化
シリコン膜でできた層間絶縁膜４１９と有機薄膜４２０
上に形成されている。Next, FIG. 4 is a sectional view of the active matrix substrate taken along the line AA 'in FIG. In this figure, an interlayer insulating film which cannot be represented in FIG. 1 is shown. A drive circuit 402 formed of a thin film transistor is formed on a glass substrate 401 inside a liquid crystal sealing portion. A pixel to which a signal is applied by the thin film transistor in the display area is an interlayer insulating film 419 made of a silicon oxide film and an organic thin film 420.
Formed on.
【００２３】有機薄膜の形成により表示領域の表面は平
坦となり、絵素電極はこの平坦な平面の上に形成される
ため、対向基板の共通電極と絵素電極の間隔はどの部分
でも均等になるため、液晶の旋回度が同じとなり均一な
高品質の表示が可能となった。By forming the organic thin film, the surface of the display area becomes flat, and the pixel electrodes are formed on this flat plane. Therefore, the common electrode and the pixel electrodes on the counter substrate are evenly spaced at any part. Therefore, the liquid crystal has the same degree of rotation, which enables uniform high-quality display.
【００２４】[0024]
【発明の効果】従来例の図８にみるように、層間絶縁膜
８１９上に直接絵素電極８０７が形成されると、絵素電
極８０７は層間絶縁膜８１９の縦方向の形状に応じて、
段差のある断面形状となり、共通電極８２１と絵素電極
８０７の間隔が不均一となる結果、表示特性にムラが生
じてしまった。ところが、本発明のように、層間絶縁膜
４１９上の有機薄膜４２０は、層間絶縁膜４１９の断面
形状に関わりなく、表面が平坦になる。そこで、この表
面が平坦な有機薄膜４２０上に形成された絵素電極４０
７は断面形状が平坦となり、絵素電極４０７と共通電極
４２１の間隔が表示領域全体に渡って均一となるので、
表示ムラがない、コントラストの高い表示が得られる。As shown in FIG. 8 of the conventional example, when the picture element electrode 807 is formed directly on the interlayer insulating film 819, the picture element electrode 807 is formed according to the vertical shape of the interlayer insulating film 819.
As a result, the cross-sectional shape has a step and the interval between the common electrode 821 and the pixel electrode 807 becomes uneven, resulting in uneven display characteristics. However, as in the present invention, the organic thin film 420 on the interlayer insulating film 419 has a flat surface regardless of the cross-sectional shape of the interlayer insulating film 419. Therefore, the pixel electrode 40 formed on the organic thin film 420 having a flat surface.
7 has a flat cross section, and the distance between the pixel electrode 407 and the common electrode 421 is uniform over the entire display area.
A high-contrast display with no display unevenness can be obtained.
【００２５】また、駆動回路を液晶封止部の下部に形成
することによって、駆動回路の平面的なスペースを節約
することができ、より容積が小さく軽量の液晶表示装置
を製造できるようになった。さらに、より小さな面積の
ガラス基板に液晶表示装置を製造できるので、生産性を
格段に向上できる。Further, by forming the driving circuit below the liquid crystal sealing portion, it is possible to save a planar space of the driving circuit, and it is possible to manufacture a liquid crystal display device having a smaller volume and a lighter weight. . Further, since the liquid crystal display device can be manufactured on the glass substrate having a smaller area, the productivity can be remarkably improved.
【００２６】さらに、有機薄膜４２０は、液晶封止部４
０４の下部にある駆動回路を覆うように形成する。する
と駆動回路は外部環境からの水分やガスの侵入から阻止
されるため、長期間に渡って安定した動作を確保でき
る。Further, the organic thin film 420 is formed in the liquid crystal sealing part 4.
It is formed so as to cover the drive circuit under 04. Then, the drive circuit is prevented from entering moisture or gas from the external environment, so that stable operation can be secured for a long period of time.
【００２７】また、駆動回路上には有機薄膜４２０を挟
んで絵素電極と同時に形成した導電性膜４１４があり、
この導電性膜は導電性材４１５を通じて、共通電極４２
１と電気的に接合されている。この結果、外部環境の変
化により駆動回路周辺で発生した静電気が共通電極に流
れ込むので、静電気から駆動回路を保護することができ
る利点があり、乾燥した環境でも十分使用できる駆動回
路内蔵の液晶表示装置を製造できる。On the driving circuit, there is a conductive film 414 formed at the same time as the pixel electrodes with the organic thin film 420 interposed therebetween.
This conductive film passes through the conductive material 415 and passes through the common electrode 42.
It is electrically connected to 1. As a result, static electricity generated around the drive circuit due to changes in the external environment flows into the common electrode, which has the advantage that the drive circuit can be protected from static electricity, and can be used even in a dry environment. Can be manufactured.
【００２８】さらに、駆動回路上には、有機薄膜４２０
が密着し、有機薄膜と液晶封止部の界面も良好に密着す
るため、外部環境から液晶の劣化の原因となる水分やガ
スが液晶内部に侵入しないので、高品質の表示特性を長
期間維持することができる。Furthermore, an organic thin film 420 is formed on the drive circuit.
And the interface between the organic thin film and the liquid crystal encapsulation are also in good contact, so moisture and gas that cause deterioration of the liquid crystal do not enter the liquid crystal from the external environment, maintaining high quality display characteristics for a long time. can do.
【００２９】さらに、Ｘ側、Ｙ側のそれぞれの駆動回路
上には、有機薄膜４１８を挟んで絵素電極の材質の導電
性膜を、絵素電極と同時に形成する。これによってアク
ティブマトリクス基板の駆動回路の最上部と、表示領域
の最上部の高さが同じになるので、液晶の配向剤を基板
に塗布して、ロールでラビングする際に、表示領域の端
部のラビングムラがなくなり、表示領域全面に渡って高
品質な表示特性の画面を実現することができた。Further, a conductive film made of the material of the pixel electrode is formed at the same time as the pixel electrode on each of the X-side and Y-side drive circuits with the organic thin film 418 interposed therebetween. This makes the top of the drive circuit of the active matrix substrate the same as the top of the display area, so when applying the liquid crystal aligning agent to the substrate and rubbing with a roll, the edge of the display area The rubbing unevenness was eliminated, and a screen with high quality display characteristics could be realized over the entire display area.
【００３０】さらに、従来の駆動回路が同一基板に形成
されている液晶表示装置の場合には、駆動回路が液晶封
止部の外部に形成されていたため、データラインやゲー
トラインとほぼ同じ数の配線が液晶封止部を通過してい
たため、データラインやゲートラインの段差部分と液晶
封止部の界面から、液晶を劣化させるガスや、水分が表
示領域に侵入し、液晶の特性を劣化させ、表示特性が低
下する問題点があった。Further, in the case of the liquid crystal display device in which the conventional drive circuit is formed on the same substrate, since the drive circuit is formed outside the liquid crystal sealing portion, the number of data lines and gate lines is almost the same. Since the wiring passed through the liquid crystal encapsulation part, gas or water that deteriorates the liquid crystal enters the display area from the interface between the step part of the data line or gate line and the liquid crystal encapsulation part, and deteriorates the liquid crystal characteristics. However, there is a problem that display characteristics are deteriorated.
【００３１】しかし、本発明の構造では、液晶封止部を
通過する配線数は高々２０本で、従来の４０分の１以下
になるため、表示領域に侵入するガスや水分が著しく減
少する。このため、従来より極めて長い期間使用できる
高品質の液晶表示装置を製造できるようになった。However, in the structure of the present invention, the number of wirings passing through the liquid crystal sealing portion is 20 at most, which is 1/40 or less of the conventional one, so that the gas and water entering the display area are significantly reduced. For this reason, it has become possible to manufacture a high-quality liquid crystal display device that can be used for a significantly longer period of time than ever before.
【図１】 本発明の液晶表示装置の斜視構造図。FIG. 1 is a perspective structural view of a liquid crystal display device of the present invention.
【図２】 本発明の液晶表示装置のアクティブマトリク
ス基板の平面図。FIG. 2 is a plan view of an active matrix substrate of a liquid crystal display device of the present invention.
【図３】 本発明の液晶表示装置のアクティブマトリク
ス基板の概略平面図。FIG. 3 is a schematic plan view of an active matrix substrate of a liquid crystal display device of the present invention.
【図４】 本発明の液晶表示装置の断面図。FIG. 4 is a cross-sectional view of a liquid crystal display device of the present invention.
【図５】 従来の液晶表示装置の斜視構造図。FIG. 5 is a perspective structural view of a conventional liquid crystal display device.
【図６】 従来の液晶表示装置のアクティブマトリクス
基板の平面図。FIG. 6 is a plan view of an active matrix substrate of a conventional liquid crystal display device.
【図７】 従来の液晶表示装置のアクティブマトリクス
基板の概略平面図。FIG. 7 is a schematic plan view of an active matrix substrate of a conventional liquid crystal display device.
【図８】 従来の液晶表示装置の断面図。FIG. 8 is a sectional view of a conventional liquid crystal display device.
101、201、301、401、501、601、701、801 …ガラス基板 102、202、302、402、502、602、702、802 …Ｘ側駆動回路 103、203、303、503、603、703 …Ｙ側駆動回路 104、204、304、404、504、604、704、804 …液晶封止部 105、205、305、505、605、705 …データライン 106、206、306、406、506、606、706、806 …ゲートライン 107、207、407、507、607、807 …絵素電極 108、208、508、608 …データラインとソ
ース領域のスルーホール 109、209、409、509、609、809 …絵素電極とゲート
ラインのスルーホール 110、210、510、610 …ゲート電極 111、211、311、511、611、711 …Ｘ側駆動回路の外
部配線 112、212、312、512、612、712 …Ｙ側駆動回路の外
部配線 113、413、513、813 …対向基板 114、414 …絵素電極と同じ導
電性薄膜 115、215、315、415 …導電性材 116、416 …有機薄膜 317、717 …薄膜トランジスタ 418、818 …ドレイン領域 419、819 …層間絶縁膜 420、820 …共通電極 421、821 …液晶101, 201, 301, 401, 501, 601, 701, 801 ... Glass substrate 102, 202, 302, 402, 502, 602, 702, 802 ... X-side drive circuit 103, 203, 303, 503, 603, 703 ... Y-side drive circuit 104, 204, 304, 404, 504, 604, 704, 804 ... Liquid crystal sealing section 105, 205, 305, 505, 605, 705 ... Data line 106, 206, 306, 406, 506, 606, 706, 806 ... Gate lines 107, 207, 407, 507, 607, 807 ... Pixel electrodes 108, 208, 508, 608 ... Through holes in data lines and source regions 109, 209, 409, 509, 609, 809 ... Picture Through holes for element electrodes and gate lines 110, 210, 510, 610 ... Gate electrodes 111, 211, 311, 511, 611, 711 ... External wiring of X side drive circuit 112, 212, 312, 512, 612, 712 ... Y External wiring of side driving circuit 113, 413, 513, 813 ... Counter substrate 114, 414 ... Conductive thin film 115, 215, 315, 415 ... Conductive material 116, 416 ... Organic thin film 317, 717 ... Thin film transistor 418, 818 ... Dray Regions 419,819 ... interlayer insulating film 420,820 ... common electrode 421,821 ... LCD
───────────────────────────────────────────────────── フロントページの続き (72)発明者 北沢 良幸 長野県諏訪市大和３丁目３番５号セイコー エプソン株式会社内 (72)発明者 下根 純理 長野県諏訪市大和３丁目３番５号セイコー エプソン株式会社内 (72)発明者 赤沼 英幸 長野県諏訪市大和３丁目３番５号セイコー エプソン株式会社内 (72)発明者 中澤 尊史 長野県諏訪市大和３丁目３番５号セイコー エプソン株式会社内 (72)発明者 井上 聡 長野県諏訪市大和３丁目３番５号セイコー エプソン株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoshiyuki Kitazawa 3-3-5 Yamato, Suwa City, Nagano Seiko Epson Corporation (72) Inventor Junri Shimone 3-5 Yamato, Suwa City, Nagano Prefecture Seiko Epson Co., Ltd. (72) Inventor Hideyuki Akanuma 3-3-5 Yamato, Suwa, Nagano Seiko Epson Co., Ltd. (72) Inventor Takashi Nakazawa 3-3-5 Yamato, Suwa, Nagano Seiko Epson Corporation (72) Inventor Satoshi Inoue 3-5-3 Yamato, Suwa-shi, Nagano Seiko Epson Corporation
Claims (1)
くとも一方の基板上に非線形素子が形成された液晶表示
装置において、透明導電膜によって形成された絵素電極
が、有機薄膜上に形成されており、絵素電極に信号を与
える非線形素子を駆動する駆動回路が、液晶表示装置の
液晶の封止部と基板の間に構成されており、駆動回路上
には有機薄膜と透明導電膜が順次被着形成されており、
上記駆動回路上に形成されている透明導電性膜と対向電
極の間は、電気的に接合していることを特徴とする液晶
表示装置。1. A liquid crystal display device in which liquid crystal is sandwiched between a plurality of transparent substrates, and a non-linear element is formed on at least one of the substrates, and a pixel electrode formed of a transparent conductive film is formed on an organic thin film. A driving circuit for driving a non-linear element that gives a signal to a pixel electrode is formed between a liquid crystal sealing portion of a liquid crystal display device and a substrate, and an organic thin film and a transparent conductive film are formed on the driving circuit. Are sequentially deposited and formed,
A liquid crystal display device, wherein a transparent conductive film formed on the drive circuit and an opposing electrode are electrically joined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29161892A JPH06138488A (en) | 1992-10-29 | 1992-10-29 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29161892A JPH06138488A (en) | 1992-10-29 | 1992-10-29 | Liquid crystal display device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001124477A Division JP2002023196A (en) | 2001-04-23 | 2001-04-23 | Liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06138488A true JPH06138488A (en) | 1994-05-20 |
Family
ID=17771288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29161892A Pending JPH06138488A (en) | 1992-10-29 | 1992-10-29 | Liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06138488A (en) |
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