JP4282462B2 - LCD backlight connection device - Google Patents

LCD backlight connection device Download PDF

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JP4282462B2
JP4282462B2 JP2003417485A JP2003417485A JP4282462B2 JP 4282462 B2 JP4282462 B2 JP 4282462B2 JP 2003417485 A JP2003417485 A JP 2003417485A JP 2003417485 A JP2003417485 A JP 2003417485A JP 4282462 B2 JP4282462 B2 JP 4282462B2
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actuator
housing
fluorescent lamp
main body
piece
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JP2005183011A (en
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信介 国師
富三郎 山口
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アベニールエレクトロニクスインターナショナル株式会社
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Description

本発明は、液晶テレビ等に用いられるバックライト用蛍光灯のリード線をハンダレス手法によりプリント基板に電気的に接続するための装置に関する。   The present invention relates to an apparatus for electrically connecting a lead wire of a backlight fluorescent lamp used in a liquid crystal television or the like to a printed circuit board by a solderless method.

液晶テレビ等に用いられるバックライト用の蛍光灯は液晶面の後方に複数本平行に配列され、各蛍光灯のリード線は基板に接続されている。
従来の装置の一例を図８に示す。該従来装置は、蛍光灯２１のリード線２２を端子線２３にハンダ付け２４した後、略Ｌ形のグロメット２５により蛍光灯２１の端部と端子線２３を覆う構成を備え、端子線２３の先端のコネクター２７をプリント回路基板２６のコネクター２８に接続する構成となっている。２９は反射板を示す。 A plurality of backlight fluorescent lamps used in a liquid crystal television or the like are arranged in parallel behind the liquid crystal surface, and lead wires of the respective fluorescent lamps are connected to a substrate.
An example of a conventional apparatus is shown in FIG. The conventional apparatus includes a configuration in which after the lead wire 22 of the fluorescent lamp 21 is soldered 24 to the terminal wire 23, the end portion of the fluorescent lamp 21 and the terminal wire 23 are covered with a substantially L-shaped grommet 25. The connector 27 at the tip is connected to the connector 28 of the printed circuit board 26. Reference numeral 29 denotes a reflector.

特開２００２−３６７４２２号公報JP 2002-367422 A 特開２００３−２７９９８４号公報JP 2003-279984 A

図８に示すように、液晶用のバックライトとして用いられる蛍光灯２１はグロメット２５、コネクター２７付きの一つのユニットとして納品され、蛍光灯ユニットを受け取った者がコネクター２７を基板２６のコネクター２８に差し込む作業をしている。この蛍光灯ユニットを作る作業は工数のいる煩雑な作業となっている。   As shown in FIG. 8, the fluorescent lamp 21 used as the backlight for the liquid crystal is delivered as a unit with a grommet 25 and a connector 27, and the person who receives the fluorescent lamp unit attaches the connector 27 to the connector 28 of the substrate 26. You are plugging in. The operation of making this fluorescent lamp unit is a cumbersome operation with man-hours.

この種の蛍光灯は、２．６〜５．０φの径を有し、１０〜１５本近接して並設される。このため、各蛍光灯のリード線を端子線にハンダ付けする作業は限られた空間内の極めて細かな作業となり難しいものとなっている。
さらに、蛍光灯２１のリード線２２はニッケル・モリブデン合金からなり、その表面に銅メッキを施したものを用いている。このため、蛍光灯の封入作業時のバーナーの高温に曝された銅メッキが黒色に変質し、ハンダ付け作業の前にその変質部分を削りとる作業を必要とする。これが作業工数の増大の原因ともなっている。 This type of fluorescent lamp has a diameter of 2.6 to 5.0φ, and 10 to 15 are arranged close to each other. For this reason, the operation of soldering the lead wire of each fluorescent lamp to the terminal wire is difficult because it is an extremely fine operation in a limited space.
Furthermore, the lead wire 22 of the fluorescent lamp 21 is made of a nickel / molybdenum alloy and the surface thereof is plated with copper. For this reason, the copper plating exposed to the high temperature of the burner at the time of the fluorescent lamp filling operation is changed to black, and the work of removing the deteriorated portion is required before the soldering operation. This also causes an increase in work man-hours.

それ故に、本発明は前述した従来技術の有する不具合を解消させることを解決すべき課題とする。   Therefore, an object of the present invention is to solve the problems of the prior art described above.

本発明は、前述した課題を解決するために、アクチュエータの閉（ロック）作業により、蛍光灯のリード線をアクチュエータのカム壁を用いコネクター端子に圧接させる技術手段を用いる。   In order to solve the above-described problems, the present invention uses technical means for pressing the lead wire of the fluorescent lamp to the connector terminal using the cam wall of the actuator by the closing operation of the actuator.

この技術手段の採用は、アクチュエータの閉（ロック）作業により蛍光灯のリード線を端子に電気的に容易に接続可能とさせ得る。   By employing this technical means, the lead wire of the fluorescent lamp can be electrically connected to the terminal easily by closing (locking) the actuator.

本発明によれば、基板上に配されるハウジングと、該ハウジングに対して回動自在なアクチュエータと、アクチュエータを回動自在に支持する保持片、基板に挿入される脚片、保持片と脚片と一体の本体、および本体と一体に成形されかつ本体に対して離間対向する弾性片とを有するコネクター端子とを備え、蛍光灯の端部がハウジングの受座に着座しかつそのリード線がコネクター端子の弾性片と本体との間に挿入されかつアクチュエータをハウジングに対して閉状態としたときアクチュエータのカム壁が弾性片を蛍光灯のリード線に圧接せしめることを特徴とする液晶用バックライト接続装置が提供される。   According to the present invention, a housing disposed on a substrate, an actuator that is rotatable with respect to the housing, a holding piece that rotatably supports the actuator, a leg piece that is inserted into the board, a holding piece and a leg. And a connector terminal having an elastic piece formed integrally with the main body and facing and spaced apart from the main body, and an end portion of the fluorescent lamp is seated on a seat of the housing, and the lead wire thereof A liquid crystal backlight characterized in that the cam wall of the actuator presses the elastic piece against the lead wire of the fluorescent lamp when inserted between the elastic piece of the connector terminal and the main body and the actuator is closed with respect to the housing. A connection device is provided.

さらに好ましくは、基板上に配されるハウジングと、該ハウジングに対して回動自在に支持されたアクチュエータと、基板に挿入される脚片、保持片と脚片と一体の本体、および本体と一体に成形されかつ本体に対して離間対向する弾性片とを有するコネクター端子とを備え、蛍光灯の端部がハウジングの受座に着座しかつそのリード線がコネクター端子の弾性片と本体との間に挿入されかつアクチュエータをハウジングに対して閉状態としたときアクチュエータのカム壁が弾性片を蛍光灯のリード線に圧接せしめることを特徴とする。   More preferably, a housing disposed on the substrate, an actuator rotatably supported with respect to the housing, a leg piece inserted into the substrate, a main body integral with the holding piece and the leg piece, and an integral with the main body And a connector terminal having an elastic piece that is molded in a spaced-apart relationship with respect to the main body, the end of the fluorescent lamp is seated on the seat of the housing, and the lead wire is between the elastic piece of the connector terminal and the main body When the actuator is closed with respect to the housing, the cam wall of the actuator presses the elastic piece against the lead wire of the fluorescent lamp.

蛍光灯の端部は、アクチュエータの閉（ロック）状態により、アクチュエータによりハウジングに押し付けられ絶縁・ホールド状態となる。これは、並設する蛍光灯の端部を一直線上に揃えることを可能とする。
アクチュエータを代替させることで蛍光灯の径の変化に対応可能であり、本発明の装置の利用範囲は大となる。
ハウジングの受座は、蛍光灯のハウジングへの挿入を容易とさせかつ蛍光灯の振動を防止するのに有効である。 The end portion of the fluorescent lamp is pressed against the housing by the actuator when the actuator is closed (locked), and is in an insulated / hold state. This makes it possible to align the ends of the fluorescent lamps arranged side by side in a straight line.
By replacing the actuator, it is possible to cope with a change in the diameter of the fluorescent lamp, and the range of use of the apparatus of the present invention becomes large.
The seat of the housing is effective for facilitating insertion of the fluorescent lamp into the housing and preventing vibration of the fluorescent lamp.

さらに、アクチュエータをコネクター端子にハウジングを介することなく直接支持させているので、アクチュエータのカム壁とコネクター端子との間の相対的寸法を一定とさせ、コネクター端子と蛍光灯のリード線との圧接力を安定させ得る。
本発明によれば、アクチュエータの閉状態時、弾性片の先端がリード線の表面をタイピングし、地肌を自動的に出すようにしているので、従来経験したようなリード線の表面への特別な作業（表面の変質部を除く）を必要としない。 Furthermore, since the actuator is directly supported by the connector terminal without a housing, the relative dimension between the cam wall of the actuator and the connector terminal is kept constant, and the pressure contact force between the connector terminal and the lead wire of the fluorescent lamp Can be stabilized.
According to the present invention, when the actuator is in the closed state, the tip of the elastic piece types the surface of the lead wire to automatically bring out the ground surface. No work (excluding surface alteration) is required.

本発明の好ましい形態の液晶用バックライト接続装置１は、基板２に配される合成樹脂製ハウジング３と、該ハウジング３に対し回動自在な合成樹脂製アクチュエータ４を有し、蛍光灯５の一端部がハウジング３の受座６’に着座する。蛍光灯５のリード線６は基板２方向へとハウジング３内を延在する。   A liquid crystal backlight connection device 1 according to a preferred embodiment of the present invention includes a synthetic resin housing 3 disposed on a substrate 2 and a synthetic resin actuator 4 that is rotatable with respect to the housing 3. One end seats on the seat 6 ′ of the housing 3. The lead wire 6 of the fluorescent lamp 5 extends in the housing 3 toward the substrate 2.

図２に示すようにアクチュエータ４をハウジング３に対し矢印方向に回動させることで、アクチュエータ４を閉とさせると、アクチュエータ４が蛍光灯５をハウジング３の受座６’に押し付け、蛍光灯５の振動を防止しかつ基板２に対する位置を一定とさせる。   As shown in FIG. 2, when the actuator 4 is closed by rotating the actuator 4 in the direction of the arrow with respect to the housing 3, the actuator 4 presses the fluorescent lamp 5 against the seat 6 ′ of the housing 3. And the position relative to the substrate 2 is kept constant.

図３と図４にコネクター端子７を示す。導電材からなるコネクター端子７は少なくとも２個の脚片８を備える本体９を有す。
本体９はその両側から平行に延在する対の保持片１０，１０と、両保持片１０，１０の間に位置しかつ本体９と離間対向する弾性片１１を一体に有す。弾性片１１は、その弾力を高めるカーブ部１２を有す。 3 and 4 show the connector terminal 7. The connector terminal 7 made of a conductive material has a main body 9 having at least two leg pieces 8.
The main body 9 integrally has a pair of holding pieces 10 and 10 extending in parallel from both sides thereof, and an elastic piece 11 positioned between the holding pieces 10 and 10 and facing the main body 9 at a distance. The elastic piece 11 has a curved portion 12 that increases its elasticity.

コネクター端子７の脚片８，８は基板２の孔１３に挿入して、コネクター端子７を基板２に固定させる。脚片８，８は曲部１４を有し、曲部１４が孔１３の内壁面に弾力的に接し、コネクター端子７の基板２からの抜けを防止する。   The leg pieces 8 and 8 of the connector terminal 7 are inserted into the holes 13 of the board 2 to fix the connector terminal 7 to the board 2. The leg pieces 8, 8 have a curved portion 14 that elastically contacts the inner wall surface of the hole 13 to prevent the connector terminal 7 from coming off the board 2.

ハウジング３の中空部内にコネクター端子７が位置し、その本体９の一部がハウジング３の内壁面に接する。
アクチュエータ４のアーム部１５に設けたピン部１６を保持片１０のピン孔１７に挿入し、アクチュエータ４をコネクター端子７とハウジング３に対し、開と閉状態との間を相対的に回転自在とさせる。 The connector terminal 7 is located in the hollow portion of the housing 3, and a part of the main body 9 is in contact with the inner wall surface of the housing 3.
The pin portion 16 provided on the arm portion 15 of the actuator 4 is inserted into the pin hole 17 of the holding piece 10 so that the actuator 4 can be rotated relative to the connector terminal 7 and the housing 3 between the open state and the closed state. Let

アクチュエータ４のアーム部１５の先端にカム壁１８が形成される。カム壁１８は、カーブ部１２に対向しかつ図５に示す開状態ではカーブ部１２の上方に位置する。
図６に示すように、アクチュエータ４のピン部１６を中心とする閉状態への回動はカム壁１８がカーブ部１２をリード線６方向に押し込み、弾性片１１がリード線６を本体９に密接させる。かくして、リード線６がコネクター端子７と電気的に接触することになる（図６参照）。この際、本体９はハウジング３の内壁面に接しているので、弾性片１１のみが弾性変形する。 A cam wall 18 is formed at the tip of the arm portion 15 of the actuator 4. The cam wall 18 faces the curved portion 12 and is located above the curved portion 12 in the open state shown in FIG.
As shown in FIG. 6, when the actuator 4 rotates to the closed state around the pin portion 16, the cam wall 18 pushes the curved portion 12 toward the lead wire 6, and the elastic piece 11 brings the lead wire 6 into the main body 9. Close. Thus, the lead wire 6 is in electrical contact with the connector terminal 7 (see FIG. 6). At this time, since the main body 9 is in contact with the inner wall surface of the housing 3, only the elastic piece 11 is elastically deformed.

図６に示すアクチュエータ４の閉（ロック）状態では、アクチュエータ４の円弧面１９が蛍光灯５を受座６’に押し付け、蛍光灯５の振動を防止させる。
受座６’への蛍光灯５の着座は、隣り合う蛍光灯５の端部を揃えるのに有効である。好ましくは、受座６’は断面Ｖ形又は上向きコの字状の形とさせ、蛍光灯５の径に関係なく同じハウジング３を用いる。蛍光灯５の径の変化に対しては、径の変化に対応する円弧面１９を有するアクチュエータ４を用いる。即ち、ハウジング３、コネクター端子７は常に同じ部品を使用できるので部品管理が容易となる。 In the closed (locked) state of the actuator 4 shown in FIG. 6, the arcuate surface 19 of the actuator 4 presses the fluorescent lamp 5 against the seat 6 ′ to prevent the fluorescent lamp 5 from vibrating.
The seating of the fluorescent lamp 5 on the seat 6 ′ is effective for aligning the ends of the adjacent fluorescent lamps 5. Preferably, the receiving seat 6 ′ has a V-shaped cross section or an upward U-shaped shape, and uses the same housing 3 regardless of the diameter of the fluorescent lamp 5. For the change in the diameter of the fluorescent lamp 5, the actuator 4 having the arc surface 19 corresponding to the change in the diameter is used. That is, since the housing 3 and the connector terminal 7 can always use the same parts, the parts management becomes easy.

図６に示す閉（ロック）状態を維持するために、アクチュエータ４をハウジング３に対しスナップ留めさせたり、アクチュエータ４のフック部材をハウジング３の段部に係止させたりしても良い。勿論、他の係止手段を用いることもできる。   In order to maintain the closed (locked) state shown in FIG. 6, the actuator 4 may be snapped to the housing 3 or the hook member of the actuator 4 may be locked to the step portion of the housing 3. Of course, other locking means can be used.

本発明の一例の装置のアクチュエータの開状態を示す斜視図である。It is a perspective view which shows the open state of the actuator of the apparatus of an example of this invention. アクチュエータの閉状態を示す斜視図である。It is a perspective view which shows the closed state of an actuator. コネクター端子を示す斜視図である。It is a perspective view which shows a connector terminal. コネクター端子の縦断面図である。It is a longitudinal cross-sectional view of a connector terminal. アクチュエータの開状態の縦断面図である。It is a longitudinal cross-sectional view of the open state of an actuator. アクチュエータの閉状態の縦断面図である。It is a longitudinal cross-sectional view of the closed state of an actuator. コネクター端子の脚片と基板との関係を示す部分断面図である。It is a fragmentary sectional view which shows the relationship between the leg piece of a connector terminal, and a board | substrate. 従来の蛍光灯のリード線部分を示す断面図である。It is sectional drawing which shows the lead wire part of the conventional fluorescent lamp.

符号の説明Explanation of symbols

２ 基板
３ ハウジング
４ アクチュエータ
５ 蛍光灯
６ リード線
７ コネクター端子
８ 脚片
９ 本体
１０ 保持片
１１ 弾性片
１２ カーブ部
１３ 基板の孔
１４ 曲部
１５ アーム部
１６ ピン部
１７ ピン孔
１８ カム壁
１９ 円弧面
DESCRIPTION OF SYMBOLS 2 Board | substrate 3 Housing 4 Actuator 5 Fluorescent lamp 6 Lead wire 7 Connector terminal 8 Leg piece 9 Main body 10 Holding piece 11 Elastic piece 12 Curve part 13 Hole of board 14 Curved part 15 Arm part 16 Pin part 17 Pin hole 18 Cam wall 19 Arc surface

Claims (6)

基板上に配されるハウジングと、該ハウジングに対して回動自在なアクチュエータと、アクチュエータを回動自在に支持する保持片、基板に挿入される脚片、保持片と脚片と一体の本体、および本体と一体に成形されかつ本体に対して離間対向する弾性片とを有するコネクター端子とを備え、蛍光灯の端部がハウジングの受座に着座しかつそのリード線がコネクター端子の弾性片と本体との間に挿入されかつアクチュエータをハウジングに対して閉状態としたときアクチュエータのカム壁が弾性片を蛍光灯のリード線に圧接せしめることを特徴とする液晶用バックライト接続装置。 A housing disposed on the substrate, an actuator that is rotatable with respect to the housing, a holding piece that rotatably supports the actuator, a leg piece that is inserted into the board, a main body that is integrated with the holding piece and the leg piece, And a connector terminal formed integrally with the main body and having an elastic piece spaced from and opposed to the main body, the end of the fluorescent lamp being seated on the seat of the housing, and the lead wire thereof being an elastic piece of the connector terminal A liquid crystal backlight connecting device, wherein the actuator cam wall presses an elastic piece against a lead wire of a fluorescent lamp when the actuator is inserted between the main body and the actuator is closed with respect to the housing. ハウジングの受座が断面Ｖ又は上向きコの字状の溝形状をなし、アクチュエータが蛍光灯の径に相当する円弧面を有し、円弧面が蛍光灯の端部を受座に押し付ける請求項１記載の液晶用バックライト接続装置。 The housing seat has a groove shape with a cross-section V or an upward U-shape, the actuator has an arc surface corresponding to the diameter of the fluorescent lamp, and the arc surface presses the end of the fluorescent lamp against the seat. The backlight connection device for liquid crystal described. 脚片がカーブ部を有し、カーブ部が基板の孔の内壁に弾力的に接触する請求項２記載の液晶用バックライト接続装置。 3. The backlight connecting device for liquid crystal according to claim 2, wherein the leg piece has a curved portion, and the curved portion elastically contacts the inner wall of the hole of the substrate. アクチュエータが開と閉状態を選択的に取ることができ、閉状態時アクチュエータの一部がハウジングの一部に係止され、アクチュエータの円弧面が蛍光灯の端部を覆いかつハウジングの受座に押し付ける請求項１又は３に記載の液晶用バックライト接続装置。 The actuator can be selectively opened and closed. When the actuator is in the closed state, a part of the actuator is locked to a part of the housing, and the arc surface of the actuator covers the end of the fluorescent lamp and the seat of the housing. The backlight connecting device for liquid crystal according to claim 1 or 3, which is pressed. 基板上に配されるハウジングと、該ハウジングに対して回動自在に支持されたアクチュエータと、基板に挿入される脚片、保持片と脚片と一体の本体、および本体と一体に成形されかつ本体に対して離間対向する弾性片とを有するコネクター端子とを備え、蛍光灯の端部がハウジングの受座に着座しかつそのリード線がコネクター端子の弾性片と本体との間に挿入されかつアクチュエータをハウジングに対して閉状態としたときアクチュエータのカム壁が弾性片を蛍光灯のリード線に圧接せしめることを特徴とする液晶用バックライト接続装置。 A housing disposed on the substrate, an actuator rotatably supported with respect to the housing, a leg piece to be inserted into the substrate, a main body integral with the holding piece and the leg piece, and a single body with the main body; A connector terminal having an elastic piece that is spaced apart from the main body, the end of the fluorescent lamp is seated on the seat of the housing, and the lead wire is inserted between the elastic piece of the connector terminal and the main body, and A backlight connecting device for liquid crystal, wherein the actuator cam wall presses the elastic piece against the lead wire of the fluorescent lamp when the actuator is closed with respect to the housing. アクチュエータのカム壁が弾性片をして蛍光灯のリード線を本体に圧接せしめる請求項１又は５記載の液晶用バックライト接続装置。
6. The liquid crystal backlight connecting device according to claim 1, wherein the cam wall of the actuator forms an elastic piece and the lead wire of the fluorescent lamp is pressed against the main body.
JP2003417485A 2003-12-16 2003-12-16 LCD backlight connection device Expired - Fee Related JP4282462B2 (en)

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