JPH05203898A - Liquid crystal display device - Google Patents
Liquid crystal display deviceInfo
- Publication number
- JPH05203898A JPH05203898A JP1283992A JP1283992A JPH05203898A JP H05203898 A JPH05203898 A JP H05203898A JP 1283992 A JP1283992 A JP 1283992A JP 1283992 A JP1283992 A JP 1283992A JP H05203898 A JPH05203898 A JP H05203898A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- display device
- crystal display
- vth
- specific resistance
- 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.)
- Pending
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 48
- 239000000758 substrate Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 abstract description 10
- 230000003068 static effect Effects 0.000 abstract description 10
- 239000000126 substance Substances 0.000 abstract description 2
- 230000005856 abnormality Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
Abstract
(57)【要約】
【目的】本発明は、液晶表示装置において、Ｖｔｈの違
う領域のない液晶表示装置を提供する。
【構成】比抵抗が１×１０8 Ω・ｃｍ〜１×１０10Ω・
ｃｍの範囲の液晶組成物を使用することによって、異物
の周辺のＶｔｈの変化のない、また、静電気の影響をう
けにくい表示品質の高い液晶表示装置が得られる。(57) [Summary] [Object] The present invention provides a liquid crystal display device having no Vth different regions. [Constitution] Specific resistance is 1 × 10 8 Ω · cm to 1 × 10 10 Ω ·
By using the liquid crystal composition in the cm range, it is possible to obtain a liquid crystal display device having a high display quality that does not change Vth around a foreign substance and is not easily affected by static electricity.
Description
【０００１】[0001]
【産業上の利用分野】本発明は液晶表示装置に関するも
のである。更に詳しくは、液晶表示装置に封入される液
晶組成物に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display device. More specifically, it relates to a liquid crystal composition enclosed in a liquid crystal display device.
【０００２】[0002]
【従来の技術】従来の液晶表示装置に用いられる液晶表
示装置の液晶組成物の比抵抗は１×１０10Ω・ｃｍ以上
が一般的である。2. Description of the Related Art Generally, the specific resistance of a liquid crystal composition of a liquid crystal display device used in a conventional liquid crystal display device is 1 × 10 10 Ω · cm or more.
【０００３】[0003]
【発明が解決しようとする課題】従来の比抵抗が１×１
０10Ω・ｃｍ以上の液晶組成物を用い液晶表示装置を構
成し表示をした場合に、例えば液晶表示装置の内面に異
物が付着すると異物の周辺の液晶のしきい値（以下Ｖｔ
ｈとする）が変化するため表示品質が低下し、更には歩
留りも低下するという問題点を有していた。The conventional resistivity is 1 × 1.
When a liquid crystal display device is constructed and displayed using a liquid crystal composition of 0 10 Ω · cm or more, for example, when foreign matter adheres to the inner surface of the liquid crystal display device, the threshold value of liquid crystal around the foreign matter (hereinafter referred to as Vt
However, there is a problem in that the display quality is degraded and the yield is also degraded.
【０００４】また、液晶組成物の比抵抗が前述のように
高いと液晶表示装置を構成する際に静電気が液晶表示装
置にはいると、静電気の入った電極部のＶｔｈが変化す
るため前述と同様に表示品質が低下し、更には歩留りも
低下するという問題点を有していた。Further, if the liquid crystal composition has a high specific resistance as described above, if static electricity enters the liquid crystal display device when the liquid crystal display device is constructed, the Vth of the static electricity-containing electrode portion changes, and Similarly, there is a problem that the display quality is lowered and the yield is also lowered.
【０００５】そこで本発明は上記問題点に鑑みなされた
ものであり、その目的とするところは、Ｖｔｈの変化の
ない表示品質の高い液晶表示装置を得ることにある。Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to obtain a liquid crystal display device having a high display quality with no change in Vth.
【０００６】[0006]
【課題を解決するための手段】本発明の液晶表示装置
は、内面に透明電極を有する２枚の基板を対向させ、該
２枚の基板の間隙に液晶組成物を封入してなる液晶表示
装置において、前記液晶組成物の比抵抗が１×１０8 Ω
・ｃｍ〜１×１０10Ω・ｃｍの範囲であることを特徴と
する。A liquid crystal display device of the present invention is a liquid crystal display device in which two substrates having transparent electrodes on their inner surfaces are opposed to each other and a liquid crystal composition is sealed in a gap between the two substrates. In, the specific resistance of the liquid crystal composition is 1 × 10 8 Ω
· Wherein the cm~1 in the range of × 10 10 Ω · cm.
【０００７】[0007]
＜実施例１＞内面に透明電極を有し、配向処理を施した
基板を２枚対向させ、一方の基板にシール材を塗布し該
２枚の基板を貼り合わせ液晶組成物を封入した。該液晶
組成物の比抵抗は１．０×１０8 Ω・ｃｍである。かか
る液晶表示素子を１００パネル点灯検査したところ、異
物混入による異物周辺のＶｔｈ異常は全く無く、良好な
表示品質を持つ液晶表示装置が得られた。<Example 1> Two substrates having a transparent electrode on the inner surface and subjected to an alignment treatment were opposed to each other, one substrate was coated with a sealing material, and the two substrates were bonded to each other to encapsulate a liquid crystal composition. The specific resistance of the liquid crystal composition is 1.0 × 10 8 Ω · cm. When 100 panels were inspected for lighting of the liquid crystal display device, there was no Vth abnormality around the foreign matter due to foreign matter mixing, and a liquid crystal display device having good display quality was obtained.
【０００８】＜実施例２＞実施例１と同様の比抵抗の液
晶組成物を封入した液晶表示素子に静電気発生器を用い
駆動回路と電気的に接続する電極端子に１０ＫＶの静電
気を印加した。かかる液晶表示素子を点灯検査したとこ
ろ静電気によるＶｔｈの異常は全く無く、良好な表示品
質を持つ液晶表示装置が得られた。<Example 2> A static electricity generator was used for a liquid crystal display device in which a liquid crystal composition having the same specific resistance as in Example 1 was sealed, and static electricity of 10 KV was applied to electrode terminals electrically connected to a drive circuit. When a lighting test was performed on such a liquid crystal display element, there was absolutely no abnormality in Vth due to static electricity, and a liquid crystal display device having good display quality was obtained.
【０００９】＜実施例３＞液晶の比抵抗を１．０×１０
10Ω・ｃｍとした以外は実施例１と同様に液晶表示素子
を構成し、実施例１と同様に１００パネルを点灯検査し
たところ、異物混入による異物周辺のＶｔｈムラ異常は
無く、良好な表示品質を持つ液晶表示装置が得られた。<Embodiment 3> The specific resistance of the liquid crystal is 1.0 × 10.
A liquid crystal display device was constructed in the same manner as in Example 1 except that the resistance was set to 10 Ω · cm, and a lighting test was conducted on 100 panels in the same manner as in Example 1. As a result, there was no Vth unevenness around the foreign matter due to foreign matter mixing, and a good display was obtained. A quality liquid crystal display device was obtained.
【００１０】＜比較例１＞液晶組成物の比抵抗を５．０
×１０10Ω・ｃｍとした以外は、実施例１と同様に液晶
表示素子を構成し１００パネル点灯検査したところ、異
物混入による異物周辺のＶｔｈが広範囲（約３ｍｍφ）
に変化し、良好な表示品質の液晶表示装置が得られなか
った。<Comparative Example 1> The specific resistance of the liquid crystal composition is 5.0.
A liquid crystal display device was constructed in the same manner as in Example 1 except that it was set to × 10 10 Ω · cm, and a 100-panel lighting test was conducted. As a result, Vth around the foreign matter due to foreign matter mixed was wide (about 3 mmφ).
However, a liquid crystal display device having good display quality could not be obtained.
【００１１】また、実施例２と同様に、かかる液晶表示
装置に静電気発生器を用い電極端子に１０ＫＶの静電気
を印加した。かかる液晶表示素子を点灯検査したとこ
ろ、静電気によるＶｔｈの異常が発生し、良好な表示品
質の液晶は得られなかった。Further, as in Example 2, a static electricity generator was used in such a liquid crystal display device, and static electricity of 10 KV was applied to the electrode terminals. When the liquid crystal display element was inspected for lighting, an abnormality in Vth was generated due to static electricity, and a liquid crystal with good display quality could not be obtained.
【００１２】＜比較例２＞液晶組成物の比抵抗を６．０
×１０7 Ω・ｃｍ とした以外は実施例１と同様に液晶
表示素子を構成し１００パネル点灯検査したところ、液
晶表示素子全面にＶｔｈのムラがあり良好な表示品質を
持つ液晶表示装置は得られなかった。<Comparative Example 2> The specific resistance of the liquid crystal composition is 6.0.
A liquid crystal display device was constructed in the same manner as in Example 1 except that it was set to × 10 7 Ω · cm, and a 100-panel lighting test was carried out. I couldn't do it.
【００１３】[0013]
【発明の効果】以上述べたように、本発明によれば、比
抵抗が１×１０8 Ω・ｃｍ〜１×１０10Ω・ｃｍの範囲
の液晶組成物を液晶表示素子に封入することによって、
異物の周辺のＶｔｈ異常の欠陥の無い、また、静電気に
よるＶｔｈ異常の無い表示品質の高い液晶表示装置を提
供できる。As described above, according to the present invention, by enclosing a liquid crystal composition having a specific resistance of 1 × 10 8 Ω · cm to 1 × 10 10 Ω · cm in a liquid crystal display device. ,
It is possible to provide a liquid crystal display device having a high display quality that does not have a defect of Vth abnormality around a foreign substance and has no Vth abnormality due to static electricity.
Claims (1)
させ、該２枚の基板の間隙に液晶組成物を封入してなる
液晶表示装置において、前記液晶組成物の比抵抗が１×
１０8 Ω・ｃｍ〜１×１０10Ω・ｃｍの範囲であること
を特徴とする液晶表示装置。1. A liquid crystal display device comprising two substrates, each having a transparent electrode on its inner surface, opposed to each other, and a liquid crystal composition enclosed in a gap between the two substrates, wherein the specific resistance of the liquid crystal composition is 1 ×.
A liquid crystal display device having a range of 10 8 Ω · cm to 1 × 10 10 Ω · cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1283992A JPH05203898A (en) | 1992-01-28 | 1992-01-28 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1283992A JPH05203898A (en) | 1992-01-28 | 1992-01-28 | Liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05203898A true JPH05203898A (en) | 1993-08-13 |
Family
ID=11816554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1283992A Pending JPH05203898A (en) | 1992-01-28 | 1992-01-28 | Liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05203898A (en) |
-
1992
- 1992-01-28 JP JP1283992A patent/JPH05203898A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SU1620056A3 (en) | Liquid-crystal device with microcapsulated components | |
| JPS57195219A (en) | Liquid crystal color display panel | |
| KR910020474A (en) | Black defect method of point defect of liquid crystal display device and liquid crystal display device | |
| MY122191A (en) | Liquid crystal display device having spacers with two sizes and metal films and protrusions | |
| EP0381428A3 (en) | Active matrix substrate and active matrix display display apparatus | |
| JPS6278532A (en) | liquid crystal display element | |
| GB2090036B (en) | Liquid crystal display device | |
| JPH05203898A (en) | Liquid crystal display device | |
| JPS6356625A (en) | Liquid crystal device | |
| KR100269054B1 (en) | LCD display | |
| JPS6267515A (en) | Liquid crystal display element | |
| JPS644720A (en) | Field effect type liquid crystal display element | |
| JPS62231226A (en) | Sequence control of liquid crystal matrix display means having optical response different in alternating and stationary field | |
| JPS55140818A (en) | Phase transition type liquid crystal display device and its manufacture | |
| JPH02284120A (en) | Active matrix substrate and active matrix display device | |
| JPS60217336A (en) | Liquid crystal display device | |
| JPS5753733A (en) | Electrochromic display device | |
| JPH0786610B2 (en) | Liquid crystal display | |
| JPS6417024A (en) | Active device | |
| KR0140118Y1 (en) | Structure of LCD | |
| CA1278616C (en) | Liquid crystal display | |
| JPH01146339A (en) | Inspection prober for thin film transistor substrate | |
| JPS5479592A (en) | Dot-matrix liquid-crystal display unit | |
| JPH10161146A (en) | LCD panel | |
| JPS5820020B2 (en) | lcd display panel |