JP2011018595A - Contact and connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To suppress a positional displacement against a substrate of a second contact part due to expansion and contraction of the substrate.SOLUTION: A contact 3, in which an electrode 211 of a fluorescent tube 21 and a printed circuit are conducted, includes a fixed part 31, a first contact part 33 which is contacted with the electrode 211 of the fluorescent tube 21, a second contact part 34 which is contacted with an insertion part of the printed circuit board, and a first coupling part 35 in which the fixed part 31 and the first contact part 33 are coupled so that the first contact part 33 is movable in the longitudinal direction L of the fluorescent tube 21. So that the second contact part 34 is movable in a first direction D1 that is in parallel with the flat face of the printed circuit board and orthogonal to the longitudinal direction L, the fixed part 31 and the second contact part 34 are coupled at a second coupling part 36.

Description

  The present invention relates to a contact and a connector, for example, a contact and a connector for electrically connecting a fluorescent tube used as a backlight of a liquid crystal display device and a printed board.

  Conventionally, a connector including a terminal, a fixed housing, a movable housing, and a lid is known (see Patent Document 1 below).

  The terminal includes a fixing portion, a lead support fixing portion, a substrate contact portion, and an expansion / contraction absorption portion. The fixed part is fixed to the fixed housing. The lead support fixing part is substantially in the shape of a tuning fork and contacts the lead of the fluorescent tube to support the lead. The board contact portion contacts a part of the inverter board. The stretchable absorption part connects the fixed part and the lead support fixing part so that the lead support fixing part can move in the longitudinal direction of the fluorescent tube.

  The fixed housing accommodates the terminal, the fixed portion of the terminal is fixed, and a part of the inverter board is received.

  The movable housing is movably mounted on the fixed housing.

  The lid is rotatably attached to the movable housing.

  To electrically connect the inverter board and the fluorescent tube using the connector described above, first, part of the inverter board is inserted into the board insertion port of the fixed housing, and the inverter board is brought into contact with the board contact portion of the terminal. .

  Next, the lid is rotated to open the lid, and the lead wire of the fluorescent tube is brought into contact with the lead support fixing portion of the terminal from above the movable housing.

  Thereafter, the lid is rotated in the reverse direction to close the lid. At this time, the inner surface of the lid presses the lead support fixing portion, and the lead support fixing portion holds the lead. As a result, the inverter substrate and the fluorescent tube are electrically connected, power is supplied from the inverter substrate to the fluorescent tube, and the fluorescent tube is turned on.

  When the fluorescent tube is turned on, heat is generated in the fluorescent tube, and the heat causes the fluorescent tube to thermally expand in the longitudinal direction.

  Since the expansion / contraction absorbing portion of the terminal extends in the longitudinal direction of the fluorescent tube in accordance with the thermal expansion of the fluorescent tube, the lead support fixing portion of the terminal follows the thermal expansion of the fluorescent tube, and the fluorescent tube is hardly damaged.

JP 2008-204657 A

  In the above-described connector, when the inverter board is thermally expanded, the board contact portion is in a fixed relationship with the fixed portion, so the surface slides relatively on the inverter board, and the surface of the board contact portion and the surface of the inverter board are scraped. The problem that the electrical resistance between a board | substrate contact part and an inverter board | substrate becomes high arises.

  This invention is made in view of such a situation, The subject is providing the contact and connector which can suppress the position shift with respect to the board | substrate of the 2nd contact part by the thermal expansion of a board | substrate.

  In order to solve the above-mentioned problem, the invention according to claim 1 is the contact for conducting the electrode of the fluorescent tube and the substrate, the fixing portion, the first contact portion that contacts the electrode of the fluorescent tube, and a part of the substrate. A contact having a second contact portion that contacts, and a first connection portion that connects the fixed portion and the first contact portion so that the first contact portion can move in the longitudinal direction of the fluorescent tube. A second connecting portion for connecting the fixed portion and the second contact portion so that the second contact portion can move in a first direction parallel to the plane of the substrate and perpendicular to the longitudinal direction. It is characterized by.

  As described above, the second connecting portion that connects the fixed portion and the second contact portion is provided so that the second contact portion can move in a first direction that is parallel to the plane of the substrate and orthogonal to the longitudinal direction. Therefore, the second contact portion moves following the thermal expansion and contraction of the substrate in the first direction.

  According to a second aspect of the present invention, in the contact according to the first aspect, the fixed portion and the first contact portion are arranged along the longitudinal direction, and the fixed portion is connected to the fluorescent tube side of the first contact portion. It is located on the opposite side.

  The invention of claim 3 is the contact according to claim 1 or 2, wherein the second connecting portion is connected to the first horizontal portion parallel to the first direction connected to the fixed portion, and to the first horizontal portion, A first vertical portion parallel to a second direction orthogonal to the longitudinal direction and the first direction, a second horizontal portion connected to the first vertical portion and parallel to the first direction, and a second horizontal portion It has a 2nd perpendicular | vertical part parallel to the said 2nd direction.

  According to a fourth aspect of the present invention, in the contact according to the third aspect, the second contact portion is continuous with the second vertical portion along the longitudinal direction.

  According to a fifth aspect of the present invention, in the contact according to any one of the first to fourth aspects, the second horizontal portion has a zigzag shape that can be expanded and contracted along the first direction.

  According to a sixth aspect of the present invention, in the contact according to any one of the first to fifth aspects, the second contact portion has a clip shape that is sandwiched from the second direction.

  According to a seventh aspect of the present invention, there is provided a connector according to any one of the first to sixth aspects, wherein the contact according to any one of the first to sixth aspects is accommodated, and the fixed portion is fixed and a fixed housing that receives a part of the substrate is provided. Features.

  The invention according to claim 8 is the connector according to claim 7, further comprising a movable housing that is movably mounted in the fixed housing and applies a contact force with the electrode of the fluorescent tube to the first contact portion. It is characterized by.

  According to this invention, the position shift with respect to the board | substrate of the 2nd contact part by the thermal expansion and thermal contraction of a board | substrate can be suppressed.

FIG. 1 is a perspective view showing a usage state of the connector according to the first embodiment. FIG. 2 is a perspective view showing a state where the connector, the fluorescent tube, the printed board and the back plate shown in FIG. 1 are separated. It is a disassembled perspective view of the connector shown in FIG. It is a perspective view of the contact of the connector shown in FIG. It is a perspective view which shows the state which connected the fluorescent tube to a pair of contact of the connector shown in FIG. 6 is a perspective view showing a state in which the right side portion of the connector shown in FIG. FIG. 7 is a perspective view showing a state in which the rear part of the connector shown in FIG. FIG. 8 is a longitudinal sectional view of the connector and the like shown in FIG. FIG. 9 is a front view showing a state in which the connector shown in FIG. 2 is attached to the back plate (however, the back plate is cut). FIG. 10 is a side view of the connector shown in FIG. FIG. 11 is a perspective view showing the relationship between the contact of the connector shown in FIG. 1 and a fixed housing. 12 is a cross-sectional view of the connector shown in FIG. 1 before the movable housing is pushed into the fixed housing. FIG. 13 is a cross-sectional view showing a state after the movable housing of the connector shown in FIG. 1 is pushed into the fixed housing. FIG. 14 is a perspective view of a connector contact according to the second embodiment of the present invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1, 2, 5, 6, and 11, the entire fluorescent tube 21 is not drawn, and only one end portion of the fluorescent tube 21 is drawn.

  The connector of 1st Embodiment of this invention is demonstrated based on FIGS.

  In this embodiment, the longitudinal direction L of the fluorescent tube 21 is the front-rear direction, the first direction D1 orthogonal to the longitudinal direction L of the fluorescent tube 21 is the left-right direction, the longitudinal direction L of the fluorescent tube 21 and the first direction D1. A second direction D2 orthogonal to the vertical direction will be used as appropriate in the description.

  As shown in FIGS. 1 and 2, the connector 1 is attached to the back plate 23 to electrically connect the electrode 211 of the fluorescent tube 21 and the printed circuit board (substrate) 22.

  As shown in FIG. 3, the connector 1 includes a pair of contacts 3, 3 ′, a fixed housing 5, and a movable housing 7.

  As shown in FIG. 4, the contact 3 includes a fixing part 31, a first contact part 33, a second contact part 34, a first connection part 35, and a second connection part 36. The contact 3 is formed by punching and bending one metal plate having conductivity and elasticity.

  The fixing portion 31 is substantially plate-shaped, extends in the vertical direction, has a plate surface facing in the front-rear direction, and has four protrusions 31a on both the left and right side portions.

  The first contact portion 33 is substantially r-shaped and contacts the electrode 211 with the electrode 211 of the fluorescent tube 21 interposed therebetween. The first contact portion 33 includes a first contact piece 331, a second contact piece 332, and an engagement piece 333. The first contact piece 331 has a flat plate shape. The 1st contact piece 331 and the 2nd contact piece 332 are extended in the up-down direction, The lower half part is piled up mutually. The upper half of the second contact piece 332 is bent at an intermediate portion so as to be separated from the first contact piece 331. A bent portion at an intermediate portion of the second contact piece 332 is bent so as to sandwich the electrode 211 of the fluorescent tube 21 with the first contact piece 331 to form an electrode holding portion 334. The lower end of the second contact piece 332 is continuous with the lower end of the first contact piece 331. The engagement piece 333 is continuous with the upper end of the second contact piece 332 and is bent obliquely downward.

  The second contact portion 34 has a substantially clip shape, and sandwiches the insertion portion (part) 222 of the printed circuit board 22 from the second direction D2 (vertical direction). The second contact portion 34 includes a first contact piece 341, a second contact piece 342, and a connecting piece 343. The first contact piece 341 and the second contact piece 342 face each other in the vertical direction and extend in the front-rear direction. The first contact piece 341 has a contact portion 341 a that contacts the upper surface of the insertion portion 222 at the front end. The second contact piece 342 has a contact portion 342 a that contacts the lower surface of the insertion portion 222 at the front end. The connecting piece 343 connects the rear end portions of the first contact piece 341 and the second contact piece 342.

  The 1st connection part 35 connects the fixing | fixed part 31 and the 1st contact part 33 so that the 1st contact part 33 can move to the longitudinal direction L (front-back direction) of the fluorescent tube 21. As shown in FIG. The first connecting part 35 includes a first plate-like part 351, an expansion / contraction part 352, a second plate-like part 353, and a third plate-like part 354. The first plate-like portion 351 is connected to the lower end portion of the fixed portion 31, and the plate surface is perpendicular to the fixed portion 31. The expansion / contraction part 352 has a zigzag shape (a shape extending in the longitudinal direction L of the fluorescent tube 21 while meandering), and is continuous with the first plate-like part 351. The second plate-like portion 353 is connected to the expansion / contraction portion 352, and forms a rising plate portion 353a whose front side portion is bent into an L shape and rises upward. The first plate-like portion 351, the expansion / contraction portion 352, and the second plate-like portion 353 are continuously provided from the fixed portion 31 toward the front. The third plate-like portion 354 extends rearward from the right side of the rising plate portion 353a of the second plate-like portion 353 along the side of the expansion / contraction portion 352, and the one side portion below the second contact piece 332 and Link.

  The second connecting part 36 connects the fixed part 31 and the second contact part 34 so that the second contact part 34 can move in the first direction D1 (left and right direction) in parallel with the printed circuit board 22. The second connecting portion 36 has a rectangular frame shape and includes a first horizontal portion 361, a first vertical portion 362, a second horizontal portion 363, and a second vertical portion 364. The first horizontal portion 361 has a plate shape, continues to the first plate portion 351, and extends leftward from the left side portion. The first vertical portion 362 has a plate shape, is connected to the left end of the first horizontal portion 361, is bent at a right angle at the connecting portion, and extends downward. The second horizontal portion 363 has a plate shape, continues to the lower end of the first vertical portion 362, is bent at a right angle at the connecting portion, and extends rightward. The second vertical portion 364 has a plate shape, continues to the right end of the second horizontal portion 363, is bent at a right angle at the connecting portion, and extends upward. The front side portion of the second vertical portion 364 slightly protrudes forward, and the right side portion of the connecting piece 343 of the second contact portion 34 is connected to the front side portion. The second contact portion 34 is located in front of the second connecting portion 36 and can move in the left-right direction by the first vertical portion 362 being elastically (bent) deformed in the first direction D1 (left-right direction).

  The fixing part 31 and the first contact part 33 are arranged along the longitudinal direction L (front-rear direction). The fixing portion 31 is located on the opposite side (side where the fluorescent tube 21 is not disposed) of the first contact portion 33 to the fluorescent tube arrangement side (side where the fluorescent tube 21 is disposed). That is, the fixing portion 31 is located behind the first contact portion 33.

  As shown in FIG. 5, the shape of the contact 3 ′ is the same symmetrical shape as the shape projected on the mirror when the contact 3 is reflected on the mirror. The basic structure of the contact 3 ′ is the same as that of the contact 3. Common. Therefore, the parts common to the contacts 3 are denoted by the same reference numerals, and the description thereof is omitted.

  As shown in FIGS. 3 and 6 to 12, the fixed housing 5 accommodates a pair of contacts 3 and 3 ′. A fixed portion 31 of the contacts 3 and 3 ′ is fixed to the fixed housing 5.

  The fixed housing 5 is box-shaped and has an opening 50 opened upward, a substrate insertion hole 51, a stepped surface 52, a pair of protrusions 53, 53, a notch 54, and a pair of press-fit portions 55, 55. The board insertion hole 51 is formed in the lower part of the front wall of the fixed housing 5. The insertion portion 222 of the printed board 22 is inserted into the fixed housing 5 through the board insertion hole 51. The step surface 52 is formed on the outer peripheral surface including the front wall, the rear wall, and the left and right side walls of the fixed housing 5, and is supported by the peripheral portion of the window hole 231 of the back plate 23. The pair of protrusions 53 are formed on the left and right side walls of the fixed housing 5. The protrusions 53, 53 face the peripheral part of the window hole 231 of the back plate 23. The notch 54 is formed at the upper end of the front wall of the fixed housing 5 to avoid interference between the fixed housing 5 and the fluorescent tube 21 when the fluorescent tube 21 is connected. The pair of press-fit portions 55 are formed on the inner surface of the rear wall of the fixed housing 5. The press-fit portions 55, 55 are vertically extending concave grooves, and both sides of the fixed portion 31 are press-fitted into the press-fit grooves 55a provided in the left and right side wall portions, and the protrusions 31a are digged into the contacts 3, 3 '. It is fixed inside. At this time, the contact parts 341a and 342a of the second contact part 34 of the contacts 3 and 3 ′ face the board insertion hole 51, and the insertion part of the printed circuit board 22 is interposed between the contact parts 341a and 342a via the board insertion hole 51. 222 is inserted and connected.

  The movable housing 7 is mounted in the opening 50 of the fixed housing 5 so as to be movable in the vertical direction and the front-back direction, and contacts the electrodes 211 and 211 of the fluorescent tube 21 to the first contact portions 33 and 33 of the contacts 3 and 3 ′. A force is applied, and the first contact portion 33 is allowed to move in the same direction caused by thermal expansion and contraction in the longitudinal direction L (front-rear direction) of the fluorescent tube 21.

  The movable housing 7 has a fluorescent tube housing chamber 74 on the front side and a pair of first contact portion housing chambers 71, 71 on the rear side with the central wall 75 interposed therebetween.

  The upper surface and the front surface of the fluorescent tube storage chamber 74 are open, and the ends of the fluorescent tube storage chamber 74 are stored when the fluorescent tube 21 is connected.

  The first contact portion accommodating chambers 71, 71 are through holes penetrating up and down, and are partitioned left and right by a partition wall 72. The first contact portion accommodating chambers 71, 71 accommodate the first contact portion 33 of the contacts 3, 3 ′. The outer inner surface facing the partition wall 72 of the first contact portion accommodating chambers 71, 71 forms a cam surface 711 in which a step is provided on the upper surface 711 b and the lower surface 711 c and the space is connected by an inclined surface 711 a. Yes. That is, the lower surface 711c is formed one step lower than the upper surface 711b and is connected by the inclined surface 711a.

  The central wall 73 has a pair of electrode insertion grooves 73 and 73 formed downward from the upper end along both side surfaces of the partition wall 72. The electrode insertion grooves 73 and 73 serve as escape grooves that avoid interference with the electrodes 211 and 211 of the fluorescent tube 21 when the fluorescent tube 21 is connected to the contacts 3 and 3 ′.

  As shown in FIGS. 9 and 10, when the lower part of the fixed housing 5 is inserted into the window hole 231 of the back plate 23, the peripheral portion of the window hole 231 of the back plate 23 is formed by the lower surface of the stepped surface 52 and the upper surface of the projection 53. Is sandwiched. As a result, the fixed housing 5 is fixed to the back plate 23.

  Next, the usage of the above-described connector will be described.

  As shown in FIG. 12, the lower part of the movable housing 7 is inserted into the opening 50 of the fixed housing 5, and the first contact portions 33 of the contacts 3, 3 ′ are inserted into the first contact portion receiving chambers 71, 71 of the movable housing 7. 33 is accommodated. At this time, the electrode insertion groove 73 of the movable housing 7 faces the space between the first contact piece 331 and the second contact piece 332 including the electrode holding portion 334.

  The movable housing 7 is movable in the up and down direction and the front and rear direction within the fixed housing 5.

  The movable housing 7 moves up and down while the first contact piece 331 of the contact 3, 3 ′ is along the side surface of the partition wall 72 and the tip of the engagement piece 333 is in contact with the cam surface 711.

  The electrode insertion portion 335 between the first contact piece 331 and the second contact piece 332 moves up and down while facing the electrode insertion groove 73.

  When using the connector 1 described above, first, as shown in FIG. 12, the electrode 211 of the fluorescent tube 21 is inserted between the first contact piece 331 and the second contact piece 332 and disposed in the electrode holding portion 334. At this time, the end portion of the fluorescent tube 21 enters the notch 54 of the fixed housing 5 and the fluorescent tube housing chamber 74 of the movable housing, and the electrode 211 passes through the electrode insertion groove 73 to form the first contact piece 331 and the second contact piece 332. Get in between. In addition, the tip of the engagement piece 333 of the contacts 3 and 3 ′ is positioned on the lower surface 771 c of the cam surface 711 of the movable housing 7 and abuts and engages with the inclined surface 711 a so that the upper half of the movable housing 7 is engaged. Is in a state protruding above the fixed housing 5.

  Next, the movable housing 7 is pushed down. Then, as shown in FIG. 13, the front end of the engagement piece 333 rides on the upper surface 711b from the lower surface 711c of the cam surface 711 through the inclined surface 711a. As a result, the tip of the second contact piece 332 is pressed and moved toward the first contact piece 331, and the electrode 211 of the fluorescent tube 21 is sandwiched between the first contact piece 331 and the second contact piece 332 in the electrode holding portion 334. In this way, contact and electrical connection are made. As a result, the fluorescent tube 21 and the printed circuit board 22 are conducted, and the fluorescent tube 21 is lit.

  When the movable housing 7 is pushed down, the tip of the engagement piece 333 engages with the engagement protrusion 711d provided at the connection portion between the inclined surface 711a and the upper surface 711b, and the pushed-down state is maintained. Further, the lower surface of the movable housing 7 is in close proximity to the expandable portion 352 of the contacts 3 and 3 ′, and the third plate-like portion 354 enters the escape groove 76 provided on the lower wall.

  According to the first embodiment, when the fluorescent tube 21 is thermally expanded and the electrode 211 is extended along the longitudinal direction L, the expansion / contraction part 352 of the contacts 3, 3 ′ is extended, and the first contact part 33 and this are connected. Since the housed movable housing 7 moves in the front-rear direction, which is the longitudinal direction L of the fluorescent tube 21, with respect to the fixed housing 5, the first contact portion 33 follows the movement of the electrode 211. As a result, the fluorescent tube 21 can be prevented from being damaged due to thermal expansion.

  In addition, the heat generation of the fluorescent tube 21 causes the printed circuit board 22 to thermally expand in the first direction D1 (left and right direction), which is the longitudinal direction of the printed circuit board 22, and a pad or the like (not shown) on the printed circuit board 22 moves. Since the first vertical portion 362 of the second connecting portion 36 bends, the second contact portion 34 follows the movement of the pad. As a result, it is possible to prevent the pad from being scraped by the second contact portion 34, to prevent positional displacement between the second contact portion 34 and the pad, and to suppress an increase in electrical resistance.

  Further, the connecting piece 343 of the second contact portion 34 is connected to the second vertical portion 364 of the second connecting portion 36 on the square frame, and the second connecting portion 36 and the second contact portion 34 are connected in the longitudinal direction L (front-rear direction). ), The length of the first vertical portion 362 is made relatively long to increase its elasticity (deflection) deformation capability, and even if the movement follow-up of the second contact portion 34 is increased, the height of the contact 3 is increased. Therefore, the contact 1 can be reduced in height.

  Furthermore, since the fixing | fixed part 31 is located in the fluorescent tube 21 arrangement | positioning side (back) of the 1st contact part 33, the fixing | fixed part 31 and the 1st contact part 33 are arranged along the longitudinal direction (front-back direction). The height of the contact 3 can be further reduced, and the connector 1 can be miniaturized.

  Moreover, since the 2nd contact part 34 is clip shape, the insertion part 222 of the printed circuit board 22 can be clamped more reliably.

  A connector contact 203 of a second embodiment of the present invention will be described with reference to FIG. Portions common to the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

  The connector contact 203 of the second embodiment is different from the contact 3 of the connector 1 of the first embodiment in the second connecting portion 236.

  The second connecting part 236 includes a first horizontal part 361, a first vertical part 2362, a second horizontal part 2363, and a second horizontal part 2364. The upper end of the first vertical part 2362 is continuous with the first horizontal part 361, and the lower end of the first vertical part 2362 is continuous with the left end of the second horizontal part 2363. The second horizontal portion 2363 is formed in a zigzag shape. The upper end of the second vertical portion 2364 is connected to the right end of the second horizontal portion 2363, and the right side portion of the connecting piece 343 of the second contact portion 34 is connected to the front side portion of the second vertical portion 2364.

  In the first embodiment, the first contact portion 34 can follow the thermal expansion of the printed circuit board 22 in the first direction D1 (left and right direction) mainly by the first vertical portion 362 being bent in the thickness direction. However, in the second embodiment, the second horizontal portion 2363 is configured to follow the thermal expansion of the printed circuit board 22 mainly by extending and contracting in the first direction D1 (left-right direction).

  According to 2nd Embodiment, there exists an effect similar to 1st Embodiment.

  The connector 1 according to the first and second embodiments includes the fixed housing 5 and the movable housing 7. For example, if the fixing portion 31 of the contact 3, 203 is directly fixed to the back plate 21, the fixed housing 5 is provided. 5 and the movable housing 7 can be omitted, or one of the fixed housing 5 and the movable housing 7 can be adopted.

DESCRIPTION OF SYMBOLS 1 Connector 3,203 Contact 31 Fixed part 33 1st contact part 34 2nd contact part 35 1st connection part 36,236 2nd connection part 361 1st horizontal part 362, 2362 1st vertical part 363, 2363 2nd horizontal part 364, 2364 Second vertical portion 5 Fixed housing 7 Movable housing 21 Fluorescent tube 211 Electrode 22 Printed circuit board 222 Insertion portion

Claims (8)

In the contact that connects the electrode of the fluorescent tube and the substrate,
A fixed portion, a first contact portion that contacts an electrode of the fluorescent tube, a second contact portion that contacts a portion of the substrate, and the first contact portion is movable in the longitudinal direction of the fluorescent tube, In the contact comprising the first connecting part that connects the fixed part and the first contact part,
A second connecting portion for connecting the fixed portion and the second contact portion so that the second contact portion can move in a first direction parallel to the plane of the substrate and perpendicular to the longitudinal direction; Contact characterized by that. The fixed portion and the first contact portion are arranged along the longitudinal direction, and the fixed portion is located on the opposite side of the first contact portion from the fluorescent tube side. Contact described.   The second connecting portion is connected to the first horizontal portion that is parallel to the first direction and is continuous to the first horizontal portion, and is parallel to a second direction that is orthogonal to the longitudinal direction and the first direction. A first vertical portion, a second horizontal portion connected to the first vertical portion and parallel to the first direction, and a second vertical portion connected to the second horizontal portion and parallel to the second direction. The contact according to claim 1 or 2, wherein   The contact according to claim 3, wherein the second contact portion is continuous with the second vertical portion along the longitudinal direction.   The contact according to claim 1, wherein the second horizontal portion has a zigzag shape that can expand and contract along the first direction.   The contact according to claim 1, wherein the second contact portion has a clip shape sandwiched from the second direction.   7. A connector comprising the contact according to claim 1, and a fixed housing for receiving a part of the substrate while the fixed portion is fixed.   The connector according to claim 7, further comprising a movable housing that is movably mounted in the fixed housing and applies a contact force with the electrode of the fluorescent tube to the first contact portion.

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