JPH05216027A - Liquid crystal display device and its production - Google Patents
Liquid crystal display device and its productionInfo
- Publication number
- JPH05216027A JPH05216027A JP4057029A JP5702992A JPH05216027A JP H05216027 A JPH05216027 A JP H05216027A JP 4057029 A JP4057029 A JP 4057029A JP 5702992 A JP5702992 A JP 5702992A JP H05216027 A JPH05216027 A JP H05216027A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- display device
- crystal display
- polarizing plate
- protective member
- 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 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 9
- 239000004945 silicone rubber Substances 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000006866 deterioration Effects 0.000 abstract description 6
- 239000011521 glass Substances 0.000 abstract description 5
- 238000003848 UV Light-Curing Methods 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は液晶表示装置およびその
製造法に関する。さらに詳しくは、偏光板の経年劣化が
低減されてなる液晶表示装置およびその製造法に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display device and a manufacturing method thereof. More specifically, the present invention relates to a liquid crystal display device in which aged deterioration of a polarizing plate is reduced and a manufacturing method thereof.
【０００２】[0002]
【従来の技術】従来より液晶表示装置においては、図２
に示すように、偏光板２が貼付られたガラスなどの透光
性基材３が用いられている。この偏光板２の偏光素子２
１には、多ハロゲン偏光素子、ヨウ素錯体や二色染料を
用いた偏光素子などが用いられている。かかる偏光素子
２１は、それ自体、透過軸の方向に対する機械的強度が
弱く、熱や水分によって収縮したり、偏光機能が劣化し
たりする。そのため、図３に示すように、酢酸セルロー
ズフィルム、アクリルフィルム、アセテートフィルムな
どの支持体２２の間に挾み込み、接着剤で固定した構造
として、偏光板２が作製されている。2. Description of the Related Art Conventionally, in a liquid crystal display device, as shown in FIG.
As shown in, a transparent substrate 3 such as glass to which the polarizing plate 2 is attached is used. Polarizing element 2 of this polarizing plate 2
1, a multi-halogen polarizing element, a polarizing element using an iodine complex or a dichroic dye, and the like are used. The polarizing element 21 itself has weak mechanical strength in the direction of the transmission axis, and contracts due to heat or moisture, or the polarizing function deteriorates. Therefore, as shown in FIG. 3, the polarizing plate 2 is manufactured as a structure in which it is sandwiched between the supports 22 such as an acetic acid cellulose film, an acrylic film, an acetate film and fixed with an adhesive.
【０００３】しかしながら、かかる偏光板２を有する液
晶表示装置Ｄにおいては、偏光素子２１の端面は空気に
暴露されているので、空気中の水分により染料などが溶
けだし偏光素子２１の偏光機能が劣化し、液晶表示装置
Ｄの性能劣化を引き起こす。However, in the liquid crystal display device D having such a polarizing plate 2, since the end face of the polarizing element 21 is exposed to air, the dye or the like begins to dissolve due to the moisture in the air and the polarizing function of the polarizing element 21 deteriorates. , Causing deterioration in performance of the liquid crystal display device D.
【０００４】[0004]
【発明が解決しようとする課題】本発明はかかる従来技
術の問題点に鑑みなされたものであって、偏光板の経年
劣化が低減され、それにより耐用年数が延長された液晶
表示装置およびその製造法を提供することを目的とす
る。SUMMARY OF THE INVENTION The present invention has been made in view of the above problems of the prior art, and is a liquid crystal display device in which aged deterioration of a polarizing plate is reduced, thereby prolonging its service life and its manufacture. The purpose is to provide the law.
【０００５】[0005]
【課題を解決するための手段】本発明の液晶表示装置
は、偏光板が貼付されてなる透光性部材を有する液晶表
示装置であって、前記偏光板の端面に、該端面と空気と
の接触を防止する保護部材が配設されてなることを特徴
としている。A liquid crystal display device of the present invention is a liquid crystal display device having a light-transmissive member to which a polarizing plate is attached, wherein the end face of the polarizing plate and the air are provided. It is characterized in that a protective member for preventing contact is provided.
【０００６】本発明の液晶表示装置においては、前記保
護部材が、紫外線硬化樹脂またはシリコーンゴムである
のが好ましい。In the liquid crystal display device of the present invention, it is preferable that the protective member is an ultraviolet curable resin or a silicone rubber.
【０００７】本発明の液晶表示装置の製造法は、偏光板
が貼付されてなる透光性部材を有する液晶表示装置の製
造法であって、前記偏光板の端面に、該端面と空気との
接触を防止する保護部材を配設する工程が設けられてな
ることを特徴としている。The method of manufacturing a liquid crystal display device of the present invention is a method of manufacturing a liquid crystal display device having a light-transmissive member to which a polarizing plate is attached, in which the end surface of the polarizing plate is separated from the air. It is characterized in that a step of disposing a protective member for preventing contact is provided.
【０００８】本発明の液晶表示装置の製造法において
は、前記保護部材が、紫外線硬化樹脂またはシリコーン
ゴムであるのが好ましい。In the method of manufacturing a liquid crystal display device of the present invention, it is preferable that the protective member is an ultraviolet curable resin or a silicone rubber.
【０００９】[0009]
【作用】本発明の液晶表示装置においては、偏光板の端
面に保護部材が配設され、この端面が空気中の水分との
接触が防止されているので、偏光素子の染料などが溶け
だすのが防止される。In the liquid crystal display device of the present invention, the protective member is disposed on the end face of the polarizing plate, and the end face is prevented from contacting with moisture in the air, so that the dye or the like of the polarizing element does not melt. Is prevented.
【００１０】また、本発明の液晶表示装置の製造法によ
れば、偏光板の端面に保護部材を配設する工程が設けら
れているので、偏光素子の染料などが溶けだすのが防止
された液晶表示装置を製造することができる。Further, according to the method for manufacturing a liquid crystal display device of the present invention, the step of disposing the protective member on the end face of the polarizing plate is provided, so that the dye or the like of the polarizing element is prevented from melting. A liquid crystal display device can be manufactured.
【００１１】[0011]
【実施例】以下、添付図面を参照しながら本発明を実施
例に基づいて説明するが、本発明はかかる実施例にのみ
限定されるものではない。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments with reference to the accompanying drawings, but the present invention is not limited to such embodiments.
【００１２】図１は本発明の一実施例の要部説明図であ
る。図において、１は保護部材、２は偏光板、３はガラ
ス板である。FIG. 1 is an explanatory view of essential parts of an embodiment of the present invention. In the figure, 1 is a protective member, 2 is a polarizing plate, and 3 is a glass plate.
【００１３】本実施例では、保護部材１は、偏光板２の
端面に密着して全周にわたって配設されている（図１参
照）。このため、偏光板２の偏光素子２１の染料などと
空気中の水分との接触が防止され、染料などが溶けだす
のが防止される。In this embodiment, the protective member 1 is disposed in close contact with the end face of the polarizing plate 2 over the entire circumference (see FIG. 1). Therefore, contact between the dye or the like of the polarizing element 21 of the polarizing plate 2 and the moisture in the air is prevented, and the dye or the like is prevented from melting.
【００１４】保護部材１としては、例えば、エポキシ樹
脂、紫外線硬化樹脂、シリコーンゴムなどが用いられる
が、偏光板２との適合性の点から、紫外線硬化樹脂やシ
リコーンゴムを用いるのが好ましい。As the protective member 1, for example, epoxy resin, ultraviolet curable resin, silicone rubber or the like is used, but from the viewpoint of compatibility with the polarizing plate 2, it is preferable to use ultraviolet curable resin or silicone rubber.
【００１５】本発明の液晶表示装置Ｄの製造法における
保護部材１の配設方法については特に限定はなく、用い
られる材料に応じて適宜選定される。例えば、シリコー
ンゴムが用いられた場合は、ノズルが取付けられたチュ
ーブより押出すことによりなされる。The method of disposing the protective member 1 in the method of manufacturing the liquid crystal display device D of the present invention is not particularly limited and may be appropriately selected according to the material used. For example, when silicone rubber is used, it is extruded from a tube to which a nozzle is attached.
【００１６】[0016]
【発明の効果】以上説明したように本発明の液晶表示装
置によれば、偏光板の経年劣化が低減され、液晶表示装
置の耐用年数が延長される。As described above, according to the liquid crystal display device of the present invention, deterioration of the polarizing plate over time is reduced, and the service life of the liquid crystal display device is extended.
【００１７】また、本発明の液晶表示装置の製造法によ
れば、偏光板の経年劣化が低減され、耐用年数が長期化
された液晶表示装置を作製することができる。Further, according to the method of manufacturing a liquid crystal display device of the present invention, it is possible to manufacture a liquid crystal display device in which aged deterioration of the polarizing plate is reduced and the service life is extended.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明の一実施例の要部説明図である。FIG. 1 is an explanatory view of a main part of an embodiment of the present invention.
【図２】従来の液晶表示装置の概略図である。FIG. 2 is a schematic view of a conventional liquid crystal display device.
【図３】偏光板の構造説明図である。FIG. 3 is a structural explanatory view of a polarizing plate.
【符号の説明】 １ 保護部材 ２ 偏光板 ３ 透光性部材（ガラス板） Ｄ 液晶表示装置[Explanation of reference numerals] 1 protective member 2 polarizing plate 3 translucent member (glass plate) D liquid crystal display device
Claims (4)
する液晶表示装置であって、前記偏光板の端面に、該端
面と空気との接触を防止する保護部材が配設されてなる
ことを特徴とする液晶表示装置。1. A liquid crystal display device having a light-transmissive member to which a polarizing plate is attached, wherein a protective member is disposed on the end face of the polarizing plate to prevent contact between the end face and air. A liquid crystal display device characterized by the above.
シリコーンゴムであることを特徴とする請求項１記載の
液晶表示装置。2. The liquid crystal display device according to claim 1, wherein the protective member is an ultraviolet curable resin or a silicone rubber.
する液晶表示装置の製造法であって、前記偏光板の端面
に、該端面と空気との接触を防止する保護部材を配設す
る工程が設けられてなることを特徴とする液晶表示装置
の製造法。3. A method of manufacturing a liquid crystal display device having a light-transmissive member having a polarizing plate attached, wherein a protective member is provided on an end face of the polarizing plate to prevent contact between the end face and air. A method for manufacturing a liquid crystal display device, which is characterized by comprising the steps of:
シリコーンゴムであることを特徴とする請求項３記載の
液晶表示装置の製造法。4. The method of manufacturing a liquid crystal display device according to claim 3, wherein the protective member is an ultraviolet curable resin or a silicone rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4057029A JPH05216027A (en) | 1992-02-06 | 1992-02-06 | Liquid crystal display device and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4057029A JPH05216027A (en) | 1992-02-06 | 1992-02-06 | Liquid crystal display device and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05216027A true JPH05216027A (en) | 1993-08-27 |
Family
ID=13044015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4057029A Pending JPH05216027A (en) | 1992-02-06 | 1992-02-06 | Liquid crystal display device and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05216027A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003046647A1 (en) * | 2001-11-27 | 2003-06-05 | Sharp Kabushiki Kaisha | Liquid crystal panel, method and device for manufacturing liquid crystal panel, and polarizing plate stamping device |
| US7202923B2 (en) | 2001-11-27 | 2007-04-10 | Sharp Kabushiki Kaisha | Liquid crystal display with polarizer with inclined edge portion |
-
1992
- 1992-02-06 JP JP4057029A patent/JPH05216027A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003046647A1 (en) * | 2001-11-27 | 2003-06-05 | Sharp Kabushiki Kaisha | Liquid crystal panel, method and device for manufacturing liquid crystal panel, and polarizing plate stamping device |
| US7202923B2 (en) | 2001-11-27 | 2007-04-10 | Sharp Kabushiki Kaisha | Liquid crystal display with polarizer with inclined edge portion |
| US7388628B2 (en) | 2001-11-27 | 2008-06-17 | Sharp Kabushiki Kaisha | Liquid crystal panel, liquid crystal panel fabrication method, liquid crystal panel fabrication apparatus, and polarizing plate sticking apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20001024 |