CN100589292C - Connector device and backlight lamp combination body using the same - Google Patents
Connector device and backlight lamp combination body using the same Download PDFInfo
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- CN100589292C CN100589292C CN200610171276A CN200610171276A CN100589292C CN 100589292 C CN100589292 C CN 100589292C CN 200610171276 A CN200610171276 A CN 200610171276A CN 200610171276 A CN200610171276 A CN 200610171276A CN 100589292 C CN100589292 C CN 100589292C
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Abstract
The invention provides a connection process of the fluorescent tube and convertor base plate and backlight assembly body used by liquid crystal panel. The backlight assembly body has: a plurality of fluorescent tube with lamp seat at two ends; a first connector connected to the lamp seat at one end side of the plural fluorescent tubes; a second connector connected to the lamp seat at another end side of the plural fluorescent tubes; frame keeping the parts. The first connector has the first terminal and the first housing for keeping the first terminal. The second connector has the second terminal and the second housing for keeping the second terminal. The first terminal has the first connection part connected to lamp seats of plural fluorescent tubes and the third connection part connectedto the convertor base plate. The second terminal has the second connection part connected to lamp seat at another end side of the plural fluorescent tubes. The second connection part connects the adjacent lamps seats of the fluorescent tubes.
Description
Technical field
The present invention relates to electrical connector and use the backlight lamp combination body of this device, particularly relate to liquid crystal panels such as being used for LCD TV, notebook personal computer the TFT liquid crystal indicator backlight lamp combination body and use the liquid crystal indicator of this assembly.
Background technology
Existing backlight lamp combination body is to use the fluorescent tube of tubule formula such as cold-cathode tube as light source more, in addition, lights in order to make fluorescent tube, loads mostly to be used to promote the inverter board that applies voltage.
With reference to Figure 21 cold-cathode tube structure and principle of luminosity (with reference to Patent Document 1) are described.With reference to Figure 21, in cold cathode fluorescent tube 201, utilize physics welding and with the cup type electrode 204 of glow discharge, to these cup type electrode 204 conducting electric currents and by glass cover layer 207 cover and the connector of sealing be seal bar 205, the lead-in wire 206 that is used for sealing rod 205 is applied voltage is electrically connected.The high frequency voltage that is produced by not shown inverter board imposes on cup type electrode 204 via lead-in wire 206 and seal bar 205, and its result produces glow discharge in as the glass lamp 202 of sealing system.In glass lamp 202, be coated with fluorescent membrane 208, and enclosed micro-neon, mercury.
When producing above-mentioned glow discharge, send ultraviolet ray by the mercury of this discharge excitation etc., this ultraviolet ray exited fluorescent membrane 208, thereby when being formed on the energy level that is energized on this fluorescent membrane 208 and turning back to original energy level and luminous structure.
Figure 22 represents fluorescent tube shown in Figure 21 201 is connected electrically in method on the inverter board, as an example, represents the structure (with reference to Patent Document 2) of common directly downward type backlight.As shown in figure 22, electric power to fluorescent tube 201 is supplied with, be by being connected on the wire harness 122 that uses cable with scolder or crimp type terminal lead-in wire 206 with fluorescent tube 201, contact terminal is installed in the end of opposition side, and is inserted into connector cover 120 and is connected with the syringe needle of inverter board 131 and carries out electric power and supply with.That is, be to use cable to connect being connected between fluorescent tube 201 and the inverter board 131.In addition, the electrode of fluorescent tube 201 is kept by the rubber frame 121 that has insulation and protective effect concurrently with the outside lead-in wire periphery that is connected.
Directly downward type backlight, when its size is big, the tendency that then just has the use radical of fluorescent tube 201 to increase.Thereupon, also will increase the quantity of the wire harness 122 that is connected with fluorescent tube 201, and the rubber frame 121 that connects this wire harness 122 waits other circumferential component also can increase.In addition, along with the increase of number of components, the number of working processes that is used to assemble also will increase, owing to its complexity is difficult to realize maximizing.
In addition, another problem that it may be noted that is, if use wire harness 122, then because the increase of the floating capacitance between cable and the housing, thereby when applying high frequency, then can further produce leakage current, thereby exist owing to this electric current leaks the uneven problem of image that produces.
Generally speaking, because the voltage that between the metallicity supporting substrates of the Lu Jingyu framework that electric current is imported fluorescent tube fluorescent tube is applied is very high, therefore, will inevitably produce micro-leakage current from importing current paths (referring to wire harness here) to the metallicity supporting substrates of framework thereupon, always there is the equivalent condenser circuit in its result.
If to connect from every wire harness 122 of a plurality of fluorescent tubes 201 shape all identical with the distance of the metallicity supporting substrates of framework, then the leakage current from separately wire harness 122 becomes equal in each fluorescent tube 201, the impedance additional for the current circuit of the flow direction fluorescent tube 201 separately that produces owing to described equivalent condenser circuit equates, its result, it is inhomogeneous can not to produce image.
But in fact because there is deviation in the length of wire harness, and draw around path also change according to each wire harness, therefore, flow to the impedance generation deviation of the current path of fluorescent tube 201, its result, the briliancy of each fluorescent tube 201 produces deviation, thereby it is inhomogeneous to cause producing image.
Therefore, Patent Document 3 discloses a kind of backlight lamp combination body that improves existing issue like that.
Figure 23 is the profile that the lamp of disclosed backlight lamp combination body in the expression Patent Document 3 keeps structure.As shown in figure 23, to keep structure be to have the cap assembly 111 that keeps having inserted fluorescent tube 201 on the lamp support unit 115 of contactor 103 and by the structure that is provided with the holding plate 133 that the metallic plate of inverter board 131 constitutes overleaf across film 135 to lamp.Contactor 103 has: pressure contact portion 103a that is connected with the lead-in wire 206 of fluorescent tube 201 and the 103b of contact spring portion that contacts with inverter board 131 as the connecting object thing.Pressure contact portion 103a has the compressing piece 103f that connects lead-in wire 206.Lamp support unit 115 has resettlement section 115a that accommodates pressure contact portion 103a and the 115c of protection portion, the 115d that protects the contact spring 103b of portion.Recording and narrating as the effect of this invention has following content, that is, do not use wire harness, and can utilize the contactor 103 that is built in the lamp support unit, will go between 206 to be connected simply with inverter board 131.
According to Patent Document 3 described inventions, because specific sheet metal (contactor 103) is supported on the interior ad-hoc location of connector, so the distance of the bearing plate 133 of lead-in wire connecting portion and framework keeps certain, and the equivalent series circuit (refering in particular to the capacitor composition) that forms between the bearing plate 133 of above-mentioned current path and framework is roughly the same shape.Its result, because leakage current equates that in each fluorescent tube 20I therefore, the briliancy of fluorescent tube 201 equates respectively, thereby it is inhomogeneous to have alleviated image.
Yet, there are the following problems for disclosed backlight lamp combination body in the Patent Document 3, promptly, be connected with contactor in order to go between, need at first fluorescent tube is being inserted on the basis of cap assembly 111, then contactor is accommodated in the slot part that is provided with on this cap assembly, assembles, thus number of components be connected operation and increase.
In addition, owing to directly be crimped on the lead-in wire 206 of each fluorescent tube on the contactor, therefore waiting in the situation that applies load on the backlight lamp combination body because of vibration or producing under the situation of distortion, stress is concentrated in pressure contact portion and the solder bonds portion, thereby may cause going between 206 broken strings.
Patent Document 1: the spy opens the 2005-285587 communique
Patent Document 2: the spy opens the 2006-106774 communique
Patent Document 3: the spy opens the 2004-335227 communique
Summary of the invention
Therefore, a technical task of the present invention is, provides a kind of and can reduce the connection man-hour of fluorescent tube and the electrical connector and the backlight lamp combination body of number of components.
In addition, another technical task of the present invention is, a kind of electrical connector and backlight lamp combination body that can reduce with the load of the contact portion of fluorescent tube is provided.
According to the present invention, a kind of electrical connector is provided, it is connected with the fluorescent tube that two ends have connecting portion respectively, it is characterized in that, possess: first housing and the first terminal that is housed in described first enclosure interior, described first housing has the end that inserts described fluorescent tube and to described the first terminal and the socket of opening, described the first terminal possesses first connecting portion that is connected with an end of described fluorescent tube, and second connecting portion that is used to connect the fluorescent tube driving substrate that drives described fluorescent tube, described second connecting portion has the shape of the described fluorescent tube driving substrate of clamping.
In addition, according to the present invention, in described electrical connector, described first connecting portion is a leaf-spring-like, an end of the described fluorescent tube of its elastic bearing.
In addition, according to the present invention, described electrical connector is characterized in that, described first housing is made of reflection part, and this reflection part has reflecting wall, and this reflecting wall possesses the plane.
According to the present invention, a kind of backlight lamp combination body is provided, it uses described any electrical connector as first electrical connector, it is characterized in that having: the framework that possesses the cubic box-shaped of bottom surface; Be arranged in a plurality of fluorescent tubes on the bottom surface of described framework; Be used to driving substrate that described fluorescent tube is lighted; And being fixed on the side of described framework and described first electrical connector that described fluorescent tube is connected with described driving substrate and keeps, each of described a plurality of fluorescent tubes possesses: the internal electrode that is sealed in the inboard, end of this fluorescent tube; The lead-in wire that one end is connected with described internal electrode and extends to this outside, fluorescent tube end; And cover described fluorescent tube end and connect the cap of the other end of described lead-in wire.
In addition, according to the present invention, described backlight lamp combination body is characterized in that, the length of described cap forms the length of the internal electrode that only covers described fluorescent tube.
In addition, according to the present invention, described backlight lamp combination body is characterized in that, the external diameter of described cap forms with the internal diameter of socket and makes that described cap can not contact with described socket under the connection status of fluorescent tube.
In addition, according to the present invention, described backlight lamp combination body, it is characterized in that, has second electrical connector in the side relative with the side of described first electrical connector, described second electrical connector, it possesses: second housing of a plurality of sockets of the other end that inserts described fluorescent tube and second terminal of being located at described second enclosure interior are provided, and described second terminal possesses that the other end with fluorescent tube connects and with a plurality of adjacent terminals the 3rd connecting portion connected to one another.
According to the present invention, as long as fluorescent tube is inserted the socket of housing, fluorescent tube is electrically connected with driving substrate and is mechanically kept, and then can needn't critically be decided to be and connect together, thereby can reduce assembling man-hour of backlight lamp combination body for a plurality of fluorescent tubes.
In addition, according to the present invention, owing to take in a plurality of terminal for connecting in enclosure interior, and the part of connector formation framework itself, therefore, can reduce the number of components of fluorescent tube coupling part.
In addition,, fluorescent tube elasticity is connected and keep by cap, prevent breakage so can reduce the load on the junction point that is applied to fluorescent tube etc. owing to can be situated between according to the present invention.
Description of drawings
Fig. 1 (a) is the decomposition assembling stereogram of backlight lamp combination body of expression first embodiment of the invention, and Fig. 1 (b) is the figure of spacing of the fluorescent tube 50 of presentation graphs 1 (a);
Fig. 2 (a) and (b) and (c) be the stereogram of the assembling procedure of the backlight lamp combination body of presentation graphs 1 (a) successively;
Fig. 3 (a) is the partial perspective view of schematic configuration of first connector of presentation graphs 1 (a), and Fig. 3 (b) is the local amplification stereogram of first connector of Fig. 3 (a), and expression is to the fixing means of framework 40;
Fig. 4 is the stereogram at main position of first connector 20 of expression first embodiment of the invention, uses perspective representation in order to see inside;
Fig. 5 (a) is the end view of first connector of presentation graphs 1 (a), and Fig. 5 (b) is a front view, and Fig. 5 (c) is a bottom view;
Fig. 6 is the VI-VI line profile of Fig. 5 (b);
Fig. 7 is the stereogram of the portion of terminal of expression first connector 20;
Fig. 8 (a) and (b) and (c) be the figure that represents the method for attachment of first connector successively are the profiles with the cutting line same position of the IX-IX line of Fig. 3 (b);
Fig. 9 is the profile of the connection status of expression first connector 20;
Figure 10 is near the profile of lamp socket of fluorescent tube 50;
Figure 11 (a) is the figure of the method for attachment of expression inverter board, and Figure 11 (b) is the enlarged drawing of the A part of Figure 11 (a), and Figure 11 (c) is the top view of inverter board;
Figure 12 (a) is the partial perspective view of schematic configuration of second connector of presentation graphs 1 (a), and Figure 12 (b) is the local amplification stereogram of the B part of Figure 12 (a);
Figure 13 (a) is the decomposition assembling stereogram of the detailed structure of expression second connector, and Figure 13 (b) is the local amplification stereogram of Figure 13 (a), and Figure 13 (c) is the partial perspective stereogram that expression is contained in second terminal group state in the insulator;
Figure 14 (a) is the end view of second connector, and Figure 14 (b) is a front view, and Figure 14 (c) is a bottom view;
Figure 15 is the profile along the XV-XV line of Figure 14 (b);
Figure 16 (a) is the stereogram of an example of expression second terminal 21, and Figure 16 (b) is the stereogram of the variation of expression second terminal 21;
Figure 17 (a) reaches the profile of the fixing means that (b) is expression second connector 30;
Figure 18 is the decomposition assembling stereogram of the backlight lamp combination body of expression second embodiment of the invention;
Figure 19 (a) and (b) are local amplification stereograms of coupling part of opposition side of first connector of expression Figure 18;
Figure 20 (a) and (b), (c) are the stereograms of assembling procedure of representing the backlight lamp combination body of Figure 18 successively;
Figure 21 is the profile of the common cold-cathode tube structure of expression;
Figure 22 is the profile of the directly downward type backlight combination style of the existing mode of expression;
Figure 23 is the profile that the lamp of expression Patent Document 1 disclosed backlight lamp combination body keeps structure.
Description of symbols
1 the first terminal
The 2a otch
The 2b protrusion tab
2 fluorescent tube connecting portions (first connecting portion)
3 braces
4 supporting slices
5 egative films
6 inverter board side connecting portions (second connecting portion)
6a, 6b be sheet up and down
The 6c substrate
7 braces
8 supports
10,100 backlight lamp combination bodies
11 insulators (first housing)
12 bottoms
The 12a hole
13 sockets
14 terminal accommodating portions
15 insertion grooves
16 gaps
20 first connectors
21 second terminals
22 fluorescent tube side connecting portions (the 3rd connecting portion)
23 sheet metals
The 23a notch
The 23b protuberance
24 braces
25 supporting slices
The 25a bend
30 second connectors
31 insulators (second housing)
32 sockets
33 terminal accommodating portions
40 frameworks
41 base plates
42,45 metallic plates
The 42a hole
43,46 bolts
50,500 fluorescent tubes
51 lamp sockets (connecting portion)
The 51a through hole
52 fluorescent tube main bodys
53 lead-in wires
54 solder bonds portions
55 internal electrodes
60 inverter board
61 electrode part
70 lamp brackets
80 electrode connecting portion
103 contactors
The 103a pressure contact portion
103b contact spring portion
The 103f compressing piece
105 lamp support units
115c, 115d protection portion
115 lamp support units
The 115a resettlement section
120 connectors
121 rubber framves
122 wire harness
131 inverter board
133 holding plates
135 films
201 fluorescent tubes
202 glass lamps
203 electrode part
204 cup type electrodes
205 seal bar
206 lead-in wires
207 glass are by rete
208 fluorescent membranes
501 U-shaped fluorescent tubes
800 supports
Embodiment
Below, with reference to the description of drawings embodiments of the invention.
Fig. 1 (a) is the decomposition assembling stereogram of backlight lamp combination body of expression first embodiment of the invention, and Fig. 1 (b) is the partial plan layout of spacing of the fluorescent tube 50 of presentation graphs 1 (a).
Shown in Fig. 1 (a) and Fig. 1 (b), backlight lamp combination body 10 possesses: both sides have the framework 40 of the metallic ware shape of wall portion; The fluorescent tube 50 that disposes with the intervals shown in for example Fig. 1 (b) in the bottom surface of this framework 40; Grip the lamp bracket 70 of fluorescent tube 50; And be configured in an end of framework 40 and first connector 20 and second connector 30 of the other end respectively.Spacing a, b, c both can equate, perhaps also can have nothing in common with each other.And then the opposing face side (downside of base plate 41 is with reference to Fig. 8) in the bottom surface that is provided with fluorescent tube 50 of framework has not shown inverter board.
Fig. 2 (a) and (b) and (c) be the stereogram of the assembling procedure of the backlight lamp combination body of presentation graphs 1 (a) successively.
At first, shown in Fig. 2 (a), on framework 40, fluorescent tube 50 is installed and temporarily is fixed on the lamp bracket 70, this lamp bracket 70 is for example with the arranged spaced of the regulation shown in Fig. 1 (b) and be fixed on the bottom surface of framework 40.
Then, shown in Fig. 2 (b), insert and install second connector 30 at an end of framework 40 and the other end of opposition side.
Then, shown in Fig. 2 (c),, afterwards, insert inverter board 60 from framework 40 bottoms, finish backlight lamp combination body 10 thus with respect to first connector 20 at distolateral insertion first connector 20 of framework 40., in the above description, they are assembled on the framework 40 according to the order of second connector 30, first connector 20 herein, but also can be according to order in contrast to this promptly according to the order assembling of first connector 20, second connector 30.
Fig. 3 (a) is the partial perspective view of schematic configuration of first connector of presentation graphs 1 (a).Fig. 3 (b) is the local amplification stereogram of first connector of Fig. 3 (a), and expression is to the fixing means of framework 40.
Shown in Fig. 3 (a) and Fig. 3 (b), an end of fluorescent tube 50 is installed in the socket 13 of an end of first connector 20.The metallic plate 42 that possesses hole 42a at the outstanding central portion that is provided with in the four directions in the end of the base plate 41 of framework 40.First connector 20 and framework 40 are by aiming at the metallic plate 42 of framework 40 and the hole 12a that is arranged on the bottom 12 of first connector 20 and fixing with bolt 43.
Fig. 4 is the stereogram at main position of first connector 20 of presentation graphs 1 (a), in order to see inside, perspective representation first housing.
As shown in Figure 4, first connector 20 possesses the first terminal 1, and this first terminal 1 is installed in the terminal accommodating portion 14 of insulator 11 of conduct first housing that becomes shell.
Fig. 5 (a) is the end view of first connector of presentation graphs 1 (a), and Fig. 5 (b) is the front view of first connector, and Fig. 5 (c) is the bottom view of first connector.Fig. 6 is the VI-VI line profile of Fig. 5 (b).Fig. 7 is the stereogram of the first terminal 1 of expression first connector 20.
With reference to Fig. 5 (a) and (b), (c) and Fig. 6, first connector 20 possesses insulator 11 and the first terminal 1, and this first terminal 1 is arranged in the terminal accommodating portion 14 of insulator 11.
With reference to Fig. 7, the first terminal 1 possesses: as the fluorescent tube connecting portion 2 of first connecting portion, its a pair of plate by otch 2a that has V-arrangement at downside respectively and front end taper expanded configuration constitutes, and has outstanding upward protrusion tab 2b at base portion; The support 8 of S shape, it possesses brace 3 that the base portion downside with fluorescent tube connecting portion 2 connects respectively, bends to L shaped supporting slice 4 downwards and the egative film 5 of bending extension forward below supporting slice 4 from the brace front end; And as the inverter board side connecting portion 6 of second connecting portion, its front end from support 8 forms roughly コ shape towards the rear.The 6a of sheet up and down, the 6b of inverter board side connecting portion 6 are bent to form chevron, so that have each other narrow position, interval at the length direction pars intermedia.
In addition, the both sides of the substrate 6c that the end of sheet 6a, 6b is engaged with each other about inciting somebody to action are provided with brace 7.
Like this, the inverter board side connecting portion 6 of the first terminal 1 is considered the warpage of the inverter board 60 that the loose contact factor causes, and has the shape of clamping inverter board 60, by by this clamping shape from keeping inverter board 60 up and down, make electrically contacting stabilisation.
Figure 10 is the profile of the end of the fluorescent tube that uses among the present invention of expression.As shown in figure 10, fluorescent tube 50 possesses: fluorescent tube main body 52; Be sealed in the internal electrode 55 of the inboard, end of fluorescent tube main body 52; Extend to the lead-in wire 53 in fluorescent tube main body 52 outsides that are connected with internal electrode 55; Cover an end of fluorescent tube main body 52 and the cap shape lamp socket 51 that is connected with fluorescent tube connecting portion 2.
The length of lamp socket 51 is for covering the length of internal electrode 55 fully.Thus, during flurorescent tube light-emitting,, also can not make the socket 13 periphery fusings of first connector 20 even internal electrode 55 forms high temperature.
It is the partial side, cross-sectional view of representing the method for attachment of first connector successively that Fig. 8 (a) and (b) reach (c).Fig. 9 is the profile of the connection status of expression first connector 20.Figure 10 is near the profile of lamp socket of fluorescent tube 50.
Shown in Fig. 8 (a), insert first connector 20 in the end of framework 40.
Shown in Fig. 8 (b), will aim at and insert with the insertion groove 15 of connector 20 from the base plate 41 outstanding metallic plates 42 of framework 40, and fix with bolt 43.
Shown in Fig. 8 (c), insert inverter board 60 and finish assembling.
At this moment, as shown in Figure 9, first connecting portion at the first terminal of first connector 20 is the lamp socket 51 that fluorescent tube connector 2 inserts the connecting portion that becomes fluorescent tube 50 1 ends, on the other hand, inverter board 60 is inserted into the inverter board side connecting portion 6 as second connector, shown in aforesaid Fig. 8 (c), fix from below inserting bolt 43 among the figure.
At this, as shown in Figure 9, the length of lamp socket 51 is to make the end of lamp socket 51 can not be exposed to outside length from socket 13 when fluorescent tube 50 being inserted the socket 13 of first connector 20.Thus, can increase the dielectric voltage withstand of base plate 41 sheet metal parts such as grade of lamp socket 51 and framework 40.
In addition, make the external diameter of the internal diameter of socket 13, under fluorescent tube 50 and state that the first terminal 1 is connected, make lamp socket 51 can not contact with socket 13 greater than lamp socket 51.That is, the end of fluorescent tube 50 is only remained on the fluorescent tube connector 2 by elasticity.Utilize such structure, when backlight lamp combination body 10 is vibrated or impacts, carry out displacement by the end of fluorescent tube 50, and will vibrate or impact absorption, thereby can prevent that fluorescent tube 50 is damaged.And this moment, socket 13 has the function of the addendum modification of restriction fluorescent tube 50 ends.
Particularly, preferably be the fluorescent tube of 3mm for external diameter, the cap internal diameter is 3.2mm, the cap external diameter is 3.6mm, is 4.0mm as the bore of the socket that inserts mouthful.In addition, preferably be the fluorescent tube of 3.4mm for external diameter, the cap internal diameter is 3.6mm, and the cap external diameter is 4.0mm, and the bore of socket is 4.4mm.As another example, preferably be the fluorescent tube of 4.0mm for external diameter, the cap internal diameter is 4.2mm, and the cap external diameter is 4.6mm, and the bore of socket is 5.0mm.If these relations are concluded, when the external diameter of establishing fluorescent tube was x, then the cap internal diameter was x+0.2, and the cap external diameter is x+0.6 (or x+0.2+ α * 2, wherein α is the thickness of cap), and the bore of socket is x+1.0 (or x+0.6+ α * 2).
Figure 11 (a) is the figure of the method for attachment of expression inverter board 60, and Figure 11 (b) is the enlarged drawing of the A part of Figure 11 (a), and Figure 11 (c) is the top view of inverter board 60.
Shown in Figure 11 (a) and Figure 11 (b), positioning along real estate and after on the direction of the length direction of first connector 20 inverter board 60 being installed movably.
More particularly, as previously mentioned, be provided with a plurality of sockets 13 on connector 30, make fluorescent tube 50 is configured on the only position, corresponding with this socket 13, inverter board side connecting portion 6 disposes in the same manner with socket 13 quantity.
On the other hand, shown in Figure 11 (c), form and the identical electrode part 61 of inverter board side connecting portion 6 quantity on inverter board, this electrode part 61 is electrically connected with inverter board side connecting portion 6 respectively.
Shown in Figure 11 (b), on first connector 20, be provided with the insertion mouth 16 that is used to insert inverter board 60, the transverse width of this insertion mouthfuls 16 expands to and makes the inverter board can be in the degree of inner move left and right.Thus, can absorb the yardstick tolerance of electrode part 61 and inverter board side connecting portion 6., after being provided with inverter board side connecting portion 6, the optimum position for example can fix finely tuning with bolt (not shown).
Wherein, electrode part 61 is when making circuit substrate, and is integrally formed with substrate by etching or sputter etc.At this moment, preferably gold-plated grade for processing is implemented on the surface,, and reduced contact resistance with the raising rust-preventing characteristic.
Figure 12 (a) is the partial perspective view of schematic configuration of second connector 30 of presentation graphs 1 (a).Figure 12 (b) is the local amplification stereogram of the B part of Figure 12 (a).With reference to Figure 12 (a) and Figure 12 (b), second connector 30 possesses: the second not shown terminal, in the socket 32 that its lamp socket 51 that is housed in fluorescent tube 50 inserts; And screwed hole, it is aimed at and by bolt with being located at as the bottom of the insulator 31 of second housing that constitutes shell and along five locational screwed holes that the cross direction of backlight lamp combination body is promptly arranged the metallic plate 45 that is arranged on framework 40 along the length direction of second connector that is fixed.
Figure 13 (a) is the decomposition assembling stereogram of the detailed structure of expression second connector, and Figure 13 (b) is the local amplification stereogram of Figure 13 (a), and Figure 13 (c) is illustrated in the partial perspective view of the state of second terminal of having packed in the insulator.Among Figure 13 (c), for the ease of understanding, and with pellucidity diagram insulator 31.With reference to Figure 13 (a)～Figure 13 (c), second connector 30 possesses: have the insulator 31 of socket 32 and be housed in second terminal 21 of the terminal accommodating portion 33 of insulator 31.
Figure 14 (a) is the end view of second connector, and Figure 14 (b) is the front view of second connector, and Figure 14 (c) is the bottom view of second connector.Figure 15 is the profile along the XV-XV line of Figure 14 (b).Figure 16 (a) is the stereogram of an example of expression second terminal 21, and Figure 16 (b) is the stereogram of the variation of expression second terminal 21.
With reference to Figure 14 (a)～Figure 14 (c), second connector 30 possesses as the insulator 31 of second housing and second terminal 21.With reference to Figure 15, second terminal 21 is installed in the terminal accommodating portion 33 of insulator 31.Be provided with the socket 32 that is used to insert fluorescent tube 50 in the front of second terminal 21.
Shown in Figure 16 (a), second terminal 21 possesses: the fluorescent tube side connecting portion 22 of conduct the 3rd connecting portion of forming by a pair of sheet metal 23,23, connect the base portion lower end of sheet metal 23,23 brace 24, connect the supporting slice 25 of a pair of brace 24.By this supporting slice 25 a pair of connecting portion 22 is electrically connected mutually.The protrusion tab 23b that on sheet metal 23, possesses the notch 23a of V-arrangement and above base portion, give prominence to.
Shown in Figure 16 (b), the bend 25a of platform shape can be set on supporting slice 25 also.By this bend 25a is set, can carry out every kind of model of fluorescent tube side connecting portion 22, and with the spacing conversion among a kind of model.
Figure 17 (a) and (b) be the side-looking part sectioned view that is used to illustrate the fixing means of second connector 30.
Shown in Figure 17 (a), insert second connector 30 at an end of framework 40, by with bolt 46 fixed metal plates 45 and second connector 30, second connector 30 is fixed on the framework 40.
In the first embodiment of the present invention of above explanation,, also can use framework 40 and a pair of first connector 20 to constitute backlight lamp combination body though used framework 40 and first connector 20 and second connector 30.
In addition, in the first embodiment of the present invention,,, also can adopt to make all short-circuits of terminals for second connector though second connector 30 is not connected with inverter board, and the structure of using wire harness to be connected with inverter board 60.
Figure 18 is the decomposition assembling stereogram of the backlight lamp combination body of the expression second embodiment of the present invention.Figure 19 (a) is the local amplification stereogram of an example of electrode connecting portion of opposition side of first connector of expression Figure 18.Figure 19 (b) is the local amplification stereogram of another routine U-shaped fluorescent tube of support of the opposition side of expression first connector.
With reference to Figure 18, the backlight lamp combination body 100 of second embodiment of the invention except that second connector, has the structure same with first embodiment.That is, first connector 20 is identical with first embodiment.Replace second connector opposite, carry out and same being connected of existing mode with first connector.
That is, as shown in figure 18, backlight lamp combination body 100 possesses: both sides have the framework 40 of the metallic ware shape of wall portion; Press the fluorescent tube 500 of predetermined spacing arranged spaced in the bottom surface of this framework 40; Be maintained fixed the lamp bracket 70 of fluorescent tube 500; Be configured in an end of framework 40 and first connector 20 of the other end respectively; Lamp support unit 105 and electrode connecting portion 80.
Shown in Figure 19 (a) and (b), replace second connector of the opposition side of first embodiment, carry out the connection of two fluorescent tubes 500 with wire harness, and, with rubber frame 121 guard lamp electrode part.In addition, rubber frame 121 is covered by lamp support unit 105, and it is fixed on the inside of lamp support unit 105.
Figure 20 (a) and (b), (c) are the stereograms of assembling procedure of representing the backlight lamp combination body of Figure 18 successively.
Shown in Figure 20 (a), the fluorescent tube 500 that connects with wire harness is installed on the lamp bracket 70 that is fixed in framework 40 bottom surfaces.At this moment, make fluorescent tube arranged spaced in accordance with regulations by lamp bracket 70 and rubber frame 121.And, cover lamp support unit 105 to cover rubber frame 121.
Then, shown in Figure 20 (b), insert and install first connector 20 in the end of the opposition side of the lamp support unit 105 of framework 40.
Then, shown in Figure 20 (c),, and finish backlight lamp combination body 100 by insertion inverter board 60 on first connector 20.
In the second embodiment of the present invention of above-mentioned explanation, end at the opposition side of first connector 20 is connected to each other adjacent fluorescent tube with wire harness, but also can replace using wire harness, and U-shaped fluorescent tube 501 and the コ shape fluorescent tube shown in use Figure 19 (b), do not use wire harness and adopt the electrode connecting portion 800 that constitutes by sheet material, this sheet material to possess the only U-shaped otch of the sweep of fixed bearing U-shaped fluorescent tube 501.
According to a second embodiment of the present invention, owing to can utilize first connector 20 that fluorescent tube 500,501 is connected on the substrate 60 together, connect man-hour and number of components so can reduce.In addition, according to a second embodiment of the present invention, by adjacent fluorescent tube being connected to one another at the end of the opposition side of first connector 20 with wire harness, can be because of the difference of the radical of employed fluorescent tube, and aspect cost, have superiority than the first embodiment of the present invention sometimes.In addition, replace using wire harness, then can realize reducing cost owing to reduced the use radical of fluorescent tube if use U-shaped fluorescent tube 501 or コ shape fluorescent tube to wait.
In addition, in a second embodiment, also can adopt following structure, that is, as electrode connecting portion, it can be to make all short-circuits of terminals with wire harness, sheet metal etc. that cable connects side, and uses wire harness to be connected with inverter board 60.
Utilizability on the industry
As described above, electrical connector of the present invention and the backlight lamp combination body that uses this device are for liquid The backlight lamp combination body that brilliant device is used is only.
Claims (7)
1, a kind of electrical connector, it is connected with the fluorescent tube that two ends have connecting portion respectively, it is characterized in that,
Possess: first housing and the first terminal that is housed in described first enclosure interior,
Described first housing has the socket that inserts and arrive the mode opening of described the first terminal according to an end that makes described fluorescent tube,
Second connecting portion that described the first terminal possesses first connecting portion that is connected with an end of described fluorescent tube and is used to connect the fluorescent tube driving substrate that drives described fluorescent tube,
Described second connecting portion has the shape of the described fluorescent tube driving substrate of clamping.
2, electrical connector as claimed in claim 1 is characterized in that, described first connecting portion is a leaf-spring-like, an end of the described fluorescent tube of its elastic bearing.
3, electrical connector as claimed in claim 1 is characterized in that, described first housing is made of reflection part, and this reflection part has reflecting wall, and this reflecting wall possesses the plane.
4, a kind of backlight lamp combination body, it uses each described electrical connector in the claim 1～3 as first electrical connector, it is characterized in that having:
The framework that possesses the cubic box-shaped of bottom surface;
Be arranged in a plurality of fluorescent tubes on the bottom surface of described framework;
Be used to driving substrate that described fluorescent tube is lighted; And
Be fixed on the side of described framework and described first electrical connector that described fluorescent tube is connected with described driving substrate and keeps,
Each of described a plurality of fluorescent tubes possesses:
Be sealed in the internal electrode of the inboard, end of this fluorescent tube;
The lead-in wire that one end is connected with described internal electrode and extends to this outside, fluorescent tube end; And
Cover described fluorescent tube end and connect the cap of the other end of described lead-in wire.
5, backlight lamp combination body as claimed in claim 4 is characterized in that, the length of described cap forms the length of the internal electrode that only covers described fluorescent tube.
6, backlight lamp combination body as claimed in claim 4 is characterized in that, the external diameter of described cap forms with the internal diameter of socket and makes that described cap can not contact with described socket under the connection status of fluorescent tube.
7, backlight lamp combination body as claimed in claim 4 is characterized in that, has second electrical connector in the side relative with the side of described first electrical connector,
Described second electrical connector, it possesses: second housing of a plurality of sockets of the other end that inserts described fluorescent tube and second terminal of being located at described second enclosure interior are provided, and described second terminal possesses that the other end with fluorescent tube connects and with a plurality of adjacent terminals the 3rd connecting portion connected to one another.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP112761/06 | 2006-04-14 | ||
| JP2006112761 | 2006-04-14 | ||
| JP206326/06 | 2006-07-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101055961A CN101055961A (en) | 2007-10-17 |
| CN100589292C true CN100589292C (en) | 2010-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610171276A Expired - Fee Related CN100589292C (en) | 2006-04-14 | 2006-12-28 | Connector device and backlight lamp combination body using the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100589292C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101385226B1 (en) * | 2007-11-21 | 2014-04-15 | 삼성디스플레이 주식회사 | Lamp socket, back light assembly and display device having the same |
| JP5366630B2 (en) * | 2009-04-17 | 2013-12-11 | 日本航空電子工業株式会社 | Contacts and connectors |
| JP5517239B2 (en) * | 2009-11-10 | 2014-06-11 | 日本航空電子工業株式会社 | connector |
-
2006
- 2006-12-28 CN CN200610171276A patent/CN100589292C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101055961A (en) | 2007-10-17 |
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