JP2760413B2 - The liquid crystal display element - Google Patents

The liquid crystal display element

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Publication number
JP2760413B2
JP2760413B2 JP2412596A JP41259690A JP2760413B2 JP 2760413 B2 JP2760413 B2 JP 2760413B2 JP 2412596 A JP2412596 A JP 2412596A JP 41259690 A JP41259690 A JP 41259690A JP 2760413 B2 JP2760413 B2 JP 2760413B2
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Japan
Prior art keywords
liquid crystal
crystal display
terminal
electrode
display element
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Expired - Lifetime
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JP2412596A
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JPH04220622A (en
Inventor
広志 石田
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アルプス電気株式会社
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Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【産業上の利用分野】本発明は液晶表示素子(以下、L The present invention relates to a liquid crystal display element (hereinafter, L
CDと略称)に係り、特に、一対の電極基板間に介設されるシール材に関する。 Relates to CD abbreviated), in particular, it relates to a seal member is interposed between a pair of electrode substrates.

【0002】 [0002]

【従来の技術】図3の平面図に示すように、従来一般のLCDは、対向面にそれぞれ透明電極がパターニングされている上下一対の電極基板1,2の間に、ほぼ同幅の四辺の帯状部分からなる枠形状に塗布されたシール材3 As shown in the plan view of the Related Art FIG. 3, the conventional ordinary LCD, between the pair of upper and lower electrode substrates 1 and 2 respectively transparent electrodes on the facing surface is patterned, substantially the same width of the four sides sealing material 3 is applied in a frame shape made of a strip-shaped portion
が介設されており、両電極基板1,2はこのシール材3 There are interposed, the electrode substrates 1 and 2 the sealing member 3
を介して積層・固着されている。 They are stacked and fixed through. また、両電極基板1, Further, the electrode substrates 1,
2の間でシール材3の内側の空間には液晶が封入されており、このシール材3の外側に延びる下電極基板2の一辺端が端子部4となつている。 The space inside the seal material 3 between 2 and liquid crystal is sealed, one side edge of the lower electrode substrate 2 which extends outside the sealing member 3 is summer and the terminal 4. この端子部4には、上記透明電極から延出されたITO等からなる電極端子5群が形成されており、各電極端子5を外部端子と接続した後、端子部4に補強用樹脂を塗布することで必要な接続強度を確保する。 The terminal unit 4 are formed electrode terminals 5 group consisting of ITO or the like extending from the transparent electrode, after connecting the electrode terminals 5 and the external terminals, applying a reinforcement resin to the terminal portion 4 ensuring the connection strength required by. すなわち、かかるLCDに外部接続用のフレキシブル基板を固着する場合、図4の要部断面図に示すように、端子部4の電極端子5上にAg等の金属膜6を設け、この金属膜6とフレキシブル基板7の銅箔パターン8との間にはんだ9を塗布して熱圧着した後、 That is, when fixing the flexible board for external connection to such LCD, as shown in fragmentary cross-sectional view of FIG. 4, a metal film 6 of Ag or the like is provided on the electrode terminal 5 of the terminal portion 4, the metal film 6 after thermocompression bonding by applying solder 9 between the copper foil pattern 8 of the flexible board 7 and,
端子部4上に紫外線硬化樹脂等の補強用樹脂10を塗布して硬化させることにより、上下の電極基板1,2とフレキシブル基板7とを一体化する。 By curing the reinforcement resin 10 such as an ultraviolet curing resin is applied on the terminal unit 4, to integrate the upper and lower electrode substrates 1, 2 and the flexible substrate 7. なお、はんだ9を用いる代わりに異方性導電シートを用いることもある。 Incidentally, there is also the use of the anisotropic conductive sheet instead of using the solder 9.

【0003】 [0003]

【発明が解決しようとする課題】ところで、かかるLC The object of the invention is to be Solved by the way, take LC
Dの端子部4に塗布される補強用樹脂10は硬化時に収縮し、この収縮による引つ張り力が図4に矢印Aで示すように上電極基板1の一辺端に作用することから、従来、同図に鎖線で示すように、約1mm幅のシール材3 Since the reinforcement resin 10 which is applied to the D terminal portion 4 of the contracts upon curing, tension force Hikitsu by the shrinkage acts on the side end of the upper electrode substrate 1 as shown by an arrow A in FIG. 4, a conventional , as indicated by a chain line in the drawing, the sealant 3 of about 1mm width
を支点として上電極基板1の該シール材3近傍に撓みが発生しやすく、その結果、シール材3の内側の有効表示領域において両電極基板1,2間のギヤツプdが局部的に大きくなつてしまい、色むらを起こして表示品位を劣化させる要因となつていた。 Flex the sealing member 3 near the upper electrode substrate 1 is liable to occur as a fulcrum, so that Do Giyatsupu d between the electrode substrates 1, 2 in the effective display region of the inner sealing member 3 is locally increased connexion sisters was summer and the factors that degrade the display quality causing the color unevenness. したがつて本発明の目的とするところは、上記した従来技術の課題を解消し、端子部に塗布される補強用樹脂の収縮が色むらを引き起こす虞れがないLCDを提供することにある。 Was although it is an object of the connexion the present invention to solve the problems of the prior art described above, contraction of the reinforcement resin to be applied to the terminal portions is to provide a LCD is no fear of causing color unevenness.

【0004】 [0004]

【課題を解決するための手段】上記した本発明の目的は、一対の電極基板間に介設される枠形状のシール材のうち、補強用樹脂塗布される帯状部分をこれに対向す An object of the present invention described above SUMMARY OF THE INVENTION, among the sealant frame shape is interposed between a pair of electrode substrates, to face the strip portion reinforcement resin is applied thereto
る他の帯状部分よりも幅広となすことによつて達成される。 It is by connexion achieved to be made wider than the other of the belt-shaped part that.

【0005】 [0005]

【作用】補強用樹脂の収縮で電極基板の一辺端に引つ張り力が加わつても、この電極基板の当該個所が幅広のシール材に固着されていれば撓みが発生しにくく、シール材の内側の有効表示領域において一対の電極基板間のギヤツプを一定に保つことができる。 [Action] tension force Hikitsu one side end of the electrode substrate in shrinkage of the reinforcing resin Kuwawa connexion also, the point is the deflection if it is fixed to the wide of the sealing material hardly occurs in the electrode substrate, the sealant it can be kept Giyatsupu between the pair of electrode substrates constant inside the effective display area.

【0006】 [0006]

【実施例】以下、本発明の実施例を図1,2に基づいて説明する。 BRIEF DESCRIPTION OF THE PREFERRED embodiment of the present invention in FIGS. ここで、図1は本実施例に係るLCDの平面図、図2はこのLCDの端子部にフレキシブル基板を固着した状態を示す要部断面図であり、先に説明した図3,4と対応する部分には同一符号を付し、重複する説明は適宜省略する。 Here, 1 is a plan view of the LCD according to this embodiment, FIG. 2 is a fragmentary cross-sectional view showing a state in which fixing a flexible substrate to the terminal portion of the LCD, corresponding to FIG. 3 and 4 described above parts denoted by the same reference numerals in the description to be repeated is omitted. 図1に明らかなように、本実施例に係るLCDは、上下一対の電極基板1,2間に介在し枠形状に塗布されたシール材3のうち、端子部4側の一辺を他の三辺よりも幅広にしてあり、具体的には、三辺を構成する帯状部分3a,3b,3cの幅寸法が従来品と同様の約1mmに設定してあるのに対し、端子部4側で補強用樹脂10と対向する位置に塗布される帯状部分3 As is apparent in FIG. 1, LCD according to this embodiment, of the sealing material 3 coated on interposed frame shape between the upper and lower pair of electrode substrates 1 and 2, one side of the terminal portion 4 side of the other three Yes and wider than the sides, specifically, strip portions 3a constituting the three sides, 3b, whereas the width dimension of 3c has been set to about 1mm similar to conventional products, in the terminal portion 4 side swaths 3 applied at a position opposed to the reinforcement resin 10
dの幅寸法が約2mmに設定してある。 Width dimension of d has been set to about 2mm. なお、本実施例ではシール材3としてエポキシ樹脂を用いている。 In the present embodiment uses an epoxy resin as a sealing material 3. したがつて、図2に示すように、かかるLCDの端子部4の電極端子5とフレキシブル基板7の銅箔パターン8とを、Ag等の金属膜6やはんだ9を介して接続した後、 It was but connexion, as shown in FIG. 2, after the copper foil pattern 8 of the electrode terminal 5 and the flexible substrate 7 of the terminal portion 4 of such a LCD, and connected via the metal film 6 and the solder 9 such as Ag,
紫外線硬化樹脂等の補強用樹脂10を端子部4上に塗布して硬化(収縮)させる際に、上電極基板1の一辺端に図中矢印Aで示す引つ張り力が作用しても、シール材3 The reinforcement resin 10 such as an ultraviolet curable resin when cured is applied on the terminal part 4 (contraction), also tension force Hikitsu shown by the arrow A in one side end of the upper electrode substrate 1 acts, seal material 3
の帯状部分3dにより幅広く位置規制されている上電極基板1の当該個所には撓みが発生しにくくなつている。 The corresponding point of the upper electrode substrate 1, which is widely position regulating deflection is summer hardly occurs by swath 3d.
換言するなら帯状部分3dが幅広なため、この帯状部分3dを支点とする上電極基板1の撓みは無視できるほど小さく、よつてシール材3の内側の有効表示領域において両電極基板1,2間のギヤツプを一定に保つことができる。 For strip portions 3d is wide if other words, while the belt-like portion 3d deflection of the upper electrode substrate 1, fulcrum is negligibly small, the electrode substrates in the effective display region of the inner Yotsute sealant 3 1,2 it is possible to maintain the Giyatsupu constant.

【0007】このように、上記実施例にあつては、シール材3の帯状部分3dを幅広にすることで、補強用樹脂10の収縮に起因する上電極基板1の撓みを抑制し、フレキシブル基板7を固着しても両電極基板1,2間のギヤツプが一定に保てるようにしてあるので、色むらが回避できて常に良好な表示品位が期待できる。 [0007] Thus, it shall apply to the above embodiment, by making the strip-shaped portions 3d of the sealing member 3 in the wide, flexing the suppression of upper electrode substrate 1 due to shrinkage of the reinforcement resin 10, a flexible substrate because be secured to 7 Giyatsupu between the electrode substrates 1 and 2 are as maintained constant always good display quality can be prevented from color unevenness can be expected. しかも、シール材3のうち帯状部分3dを他の三辺よりも幅広にするだけでよいので、製造工程は煩雑化せず、コストアツプの心配がない。 Moreover, since the swaths 3d of the sealing member 3 need only be wider than the other three sides, the manufacturing process is not complicated, there is no fear of Kosutoatsupu. なお、はんだ9の代わりに異方性導電性シートを用いる場合や、外部端子として金属端子を用いる場合にも、本発明が適用可能であることは言うまでもない。 Incidentally, or when using an anisotropic conductive sheet in place of the solder 9, even in the case of using a metal terminal as an external terminal, it is needless to say that the present invention is applicable.

【0008】 [0008]

【発明の効果】以上説明したように本発明によるLCD LCD according to the present invention, as described above, according to the present invention
は、一対の電極基板間に介設される枠形状のシール材のうち補強用樹脂塗布される帯状部分をこれに対向す , Of the sealant frame shape is interposed between a pair of electrode substrates, to face the strip portion reinforcement resin is applied thereto
る他の帯状部分よりも幅広にすることで、該補強用樹脂の収縮に起因する電極基板の撓みを抑制し、よつて有効表示領域において一対の電極基板間のギヤツプを一定に保つことができるので、表示品位を劣化させる要因となつていた色むらが回避でき、しかもコストアツプを伴わないという優れた効果を奏する。 That other by wider than the strip portion, it is possible to suppress the bending of the electrode substrate due to shrinkage of the reinforcing resin, keeping the Giyatsupu between the pair of electrode substrates constant in the effective display region Te cowpea because, color unevenness was summer and the factors that degrade the display quality can be avoided, yet it exhibits the excellent effect that without Kosutoatsupu.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明の一実施例に係るLCDの平面図である。 1 is a plan view of an LCD according to an embodiment of the present invention.

【図2】図1に示すLCDの端子部にフレキシブル基板を固着した状態を示す要部断面図である。 Figure 2 is a fragmentary cross-sectional view showing a state in which fixing a flexible substrate to the terminal portion of the LCD shown in FIG.

【図3】従来例に係るLCDの平面図である。 3 is a plan view of a LCD according to a conventional example.

【図4】図3に示すLCDの端子部にフレキシブル基板を固着した状態を示す要部断面図である。 It is a fragmentary cross-sectional view showing a state in which fixing a flexible substrate to the terminal portion of the LCD shown in FIG. 3; FIG.

【符号の説明】 DESCRIPTION OF SYMBOLS

1 上電極基板 2 下電極基板 3 シール材 3a,3b,3c,3d 帯状部分 4 端子部 5 電極端子 7 フレキシブル基板 8 銅箔パターン 10 補強用樹脂 1 the upper electrode substrate 2 under the electrode substrate 3 sealant 3a, 3b, 3c, 3d swaths 4 terminal portions 5 electrode terminal 7 the flexible board 8 a copper foil pattern 10 reinforcement resin

Claims (1)

    (57)【特許請求の範囲】 (57) [the claims]
  1. 【請求項1】 枠形状に塗布されたシール材を介して積層・固着された第1および第2電極基板の間で上記シール材の内側に液晶が封入され上記シール材の外側に設けた上記第2電極基板の端子部に外部端子が積層・導通 Liquid crystal inside the sealing material is enclosed claim 1] between the first and second electrode substrates which are stacked and fixed through a seal material applied to frame shape, provided outside of the sealing material laminated and conductive external terminals to the terminal portion of the second electrode substrate
    されると共に、この積層部分と上記第1電極基板の端部 With the end portion of the laminated portion and the first electrode substrate
    を含む部分に補強用樹脂を塗布して硬化させることにより上記外部端子と一体化される液晶表示素子において、 In the liquid crystal display device which is integrated with the external terminal is cured by applying a reinforcement resin to the portion including,
    上記シール材のうち、上記補強用樹脂塗布される帯状部分を該帯状部分に対向する他の帯状部分よりも幅広となしたことを特徴とする液晶表示素子。 Of the sealing material, liquid crystal display element, characterized in that the reinforcement resin is no wider than the other strip portion facing the strip portions to be applied to the belt-like portion.
JP2412596A 1990-12-21 1990-12-21 The liquid crystal display element Expired - Lifetime JP2760413B2 (en)

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Application Number Priority Date Filing Date Title
JP2412596A JP2760413B2 (en) 1990-12-21 1990-12-21 The liquid crystal display element

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US7402467B1 (en) 1999-03-26 2008-07-22 Semiconductor Energy Laboratory Co., Ltd. Method of manufacturing a semiconductor device
US6384427B1 (en) * 1999-10-29 2002-05-07 Semiconductor Energy Laboratory Co., Ltd. Electronic device
JP2008151969A (en) * 2006-12-15 2008-07-03 Sharp Corp Liquid crystal display panel, electronic device provided with the same and method of manufacturing liquid crystal display panel
JP2014238444A (en) * 2013-06-06 2014-12-18 株式会社ジャパンディスプレイ Liquid crystal display device
JP2015038551A (en) * 2013-08-19 2015-02-26 セイコーエプソン株式会社 Method for manufacturing liquid crystal device, liquid crystal device, and electronic equipment
JP6401026B2 (en) 2014-11-21 2018-10-03 株式会社ジャパンディスプレイ Display device
WO2016083934A1 (en) * 2014-11-28 2016-06-02 Semiconductor Energy Laboratory Co., Ltd. Display module and method for manufacturing display module
US9766763B2 (en) 2014-12-26 2017-09-19 Semiconductor Energy Laboratory Co., Ltd. Functional panel, light-emitting panel, display panel, and sensor panel
WO2018131602A1 (en) * 2017-01-10 2018-07-19 大日本印刷株式会社 Light control cell, light control member, moving body and method for producing light control cell

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JP2876045B2 (en) * 1989-11-28 1999-03-31 オプトレックス株式会社 Color liquid crystal display device and its manufacturing method, and a color liquid crystal display device

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