JP2012054402A - Light emitting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a light emitting device equipped with a plurality of light emitting portions, in which the amount of signal lines can be decreased.SOLUTION: A light emitting device 1 comprises: a first body portion 10 having a plurality of contacts made of conductive material and a housing for holding the plurality of the contact and made of insulating material; and an LED light source 50 mounted on the first body portion 10 by electrically connecting an LED terminal to the contacts. A first connector portion 12 and a second connector portion 13 which are formed so as to expose contacting portions of the contacts are provided in the housing, and a counterpart connector 80 having a terminal made of the conductive material can be fitted with the first and second connector portions 12 and 13. When the counterpart connector 80 is fitted with at least either one of the first and second connector portions 12 and 13, the contacting portions of the contacts and the terminal of the counterpart connector 80 are electrically connected, and power is supplied from the terminal to the LED terminal through the contacts to make the LED light source 50 emit light.

Description

  The present invention mainly relates to a light emitting device using a light emitting diode (hereinafter referred to as LED) as a light source.

  Light emitting devices using LEDs as light sources as described above have been used in various fields in recent years. For example, backlight devices for liquid crystal display devices, automobile headlights and stop lamps, signal lights, which require high brightness, Or the application to uses, such as an outdoor large-sized display, is advanced. In such a light emitting device, it is well known that a plurality of LEDs are mounted on the surface of a wiring board, and the LEDs are electrically connected via the wiring board (for example, see Patent Document 1). reference).

  However, in the light emitting device in which the LED and the connector are mounted on the surface of the wiring board as described above, there is a problem that the number of parts is large and the mounting man-hour is required. In addition, when the size or shape of the wiring board is changed, there is a problem that it is difficult to reuse these components because it is difficult to remove the mounted LED and connector. In order to solve these problems, for example, a light emitting device 100 as shown in FIG. 12 has been developed. In the light emitting device 100, a light emitting unit 101 on which an LED is mounted is provided at the distal end portion of each cable 103, and power is supplied to the light emitting unit 101 via the external connector 105, the wire harness 102, and the cable 103 to emit light. The LED of the unit 101 emits light.

JP 2008-181750 A

  In the light emitting device 100 configured as described above, since the light emitting unit 101 is directly mounted on the tip of the cable 103, it is only necessary to have a support member for supporting each light emitting unit 101, and a conventional circuit board is not necessary. . In addition, since the light emitting unit 101 can be easily detached from the support member or the like, the components can be easily reused, and the above-described problems are solved. However, when the light emitting device 100 as shown in FIG. 12 is used, it is necessary to wire the cables 103 to the respective light emitting units 101. Therefore, the absolute amount of the cables themselves is increased, and a large number of signal lines such as cables are required. There was a problem of becoming.

  The present invention has been made in view of such problems, and an object thereof is to provide a light emitting device capable of reducing the amount of signal lines in a light emitting device including a plurality of light emitting units.

  In order to achieve the above object, a light emitting device according to the present invention includes a main body (for example, in the embodiment) having a plurality of contacts made of a conductive material and a housing made of an insulating material that holds the plurality of contacts. In a light-emitting device including a first light-emitting unit 10 and a second light-emitting unit 30) and a light-emitting unit in which a connection terminal unit (for example, the LED terminal 51 in the embodiment) is electrically connected to a contact and attached on a main body The housing is provided with a first connector portion and a second connector portion formed by exposing the contact portion of the contact so that a mating connector having a terminal made of a conductive material can be fitted to the first and second connector portions. When the mating connector is fitted to at least one of the first and second connector portions, the contact and the terminal of the mating connector are electrically connected, and the terminal is connected to the connector. The power supply for causing the light emitting part to emit light to the connection terminal part via the tact is configured, and when the mating connector is fitted to both the first and second connector parts, the mating part fitted to the first connector part The terminal of the connector, the contact, and the terminal of the mating connector fitted to the second connector portion are configured to be electrically connected.

  In the light emitting device according to the present invention, the mating connector is attached to the end of the electrical cable, and the mating connector terminal and the conductor portion of the electrical cable are electrically connected, and the mating connector is attached to one end of the electrical cable. The connector is fitted to either the first connector portion or the second connector portion of the main body portion, and the mating connector attached to the other end of the electric cable is connected to the first connector portion and the second of the main body portion different from the main body portion. It is preferable that the main body part and the contacts of the other main body part are electrically connected to each other via an electric cable by being fitted to one of the connector parts.

  The main body is fitted into a support hole formed through the plate-like support member with the light emitting portion exposed to the outside, and is configured to be fixedly supported by the support member. The portion is fixedly supported by the supporting member, and the mating connector can be fitted to the first and second connector portions of each main body portion fixedly supported from the opposite side of the light emitting portion with respect to the supporting member. preferable.

  As described above, in the light emitting device according to the present invention, when the mating connector is fitted to both the first and second connector parts, the light emitting part emits light and power is supplied from one terminal to the other terminal via the contact. A plurality of light emitting devices are configured by electrically connecting the first and second connector parts of a main body part and the first and second connector parts of another main body part via a mating connector. Since it is possible to make electrical connections in the form of a daisy chain, it is not necessary to provide one signal line such as a cable extending from the power source for each light emitting device, and the amount of necessary signal lines is reduced. Can do.

  In addition, when the mating connector is attached to the end of the electric cable using an electric cable as a signal line for electrically connecting each light emitting device, the main body is connected between the mating connector and the electric cable. As described above, since it is possible to connect the main body portions in a daisy chain shape, it is not necessary to provide one electric cable extending from the power source for each light emitting device, and the amount of electric cables to be used can be reduced. Can be reduced.

  Then, the mating connector is fitted and connected from the back side of the light emitting unit by being configured to fit into a support hole formed through the plate-like support member and to be fixedly supported by the support member. In addition, since each light emitting device can be easily electrically connected by attaching / detaching the mating connector, the number of steps for mounting the light emitting device can be reduced.

It is the perspective view seen from the upper side which shows the state which makes the light-emitting device which concerns on embodiment of this invention support a plurality of support members, and inserts the cable provided with the other party connector from the downward direction. It is the perspective view seen from the lower part which shows the state which makes the said light-emitting device be supported by multiple support members, and inserts the cable provided with the other party connector from the downward direction. It is the perspective view which shows the state which fixedly supported the said light-emitting device to the supporting member, (a) is the perspective view seen from upper direction, (b) is the perspective view seen from the downward direction. It is a three-view figure of the said light-emitting device, (a) is a top view, (b) is a rear view, (c) is a bottom view. It is sectional drawing which cut | disconnects and shows the light-emitting device shown in FIG.4 (b) along arrow VV. It is the perspective view which shows the 1st main-body part of the said light-emitting device, (a) is the perspective view seen from upper direction, (b) is the perspective view seen from the downward direction. It is a six-view figure of the said 1st main-body part, (a) is a front view, (b) is a left view, (c) is a top view, (d) is a right view, (e) is a rear view, f) is a bottom view. It is sectional drawing which cut | disconnects and shows the 1st main-body part shown to FIG.7 (e) along arrows VIII-VIII. It is the perspective view which shows the 2nd main-body part of the said light-emitting device, (a) is the perspective view seen from upper direction, (b) is the perspective view seen from the downward direction. It is a perspective view which shows the other party connector fitted to the said 1st main-body part, (a) is the perspective view seen from upper direction, (b) is the perspective view seen from the downward direction. It is a connection circuit diagram which shows the state which electrically connected each said light-emitting device with the other party connector and the electric cable. (A) is a connection circuit diagram when a mating connector is fitted to the first connector part and the second connector part of the first main body part, and (b) is an electric cable for the light emitting device as shown in FIGS. It is the connection circuit diagram in the state connected by two by. It is a schematic block diagram which shows an example of the conventional light-emitting device.

  Hereinafter, a light emitting device 1 according to the present invention will be described with reference to the drawings. As shown in FIGS. 1 and 2, the light emitting device 1 includes an LED connector assembly including a first main body 10 and a second main body 20 that can be fitted and connected to each other. The LED light source 50 is mounted on the top. The LED light source 50 includes a light emitting diode (hereinafter referred to as an LED) that is a semiconductor element that emits light when supplied with power, and is used in various applications such as a game machine, an automobile, or a signal light. . The second main body 30 constituting the LED connector assembly is fixedly supported by a plate-like support member 60 as shown in FIG. 1 and the like, and the first LED light source 50 is mounted as shown in FIGS. With the main body 10 fitted to the second main body 30, the light emitting diode of the LED light source 50 obtains power from the electric cable 70 and emits light through the LED connector assembly and the mating connector 80 described later. It has become.

  In the following description, for the sake of convenience, as indicated by arrows “up / down, front / rear, left / right” in each figure, the direction perpendicular to the surface of the support member 60 in FIG. The front and rear and the left and right are defined in the direction indicated by the arrows in the figure. Specifically, the direction in which the light-emitting device 1 mounted on the surface of the support member 60 is present (upward on the paper surface in FIGS. 1 and 2) is upward, the opposite direction is downward, and the direction perpendicular to the vertical direction is perpendicular. In the plane, the direction in which the electric cable 70, which will be described in detail later, is defined as the front-rear direction, and the direction perpendicular to the front-rear direction is defined as the left-right direction, but this is a definition for convenience of explanation, and this is the definition of each member. It does not stipulate the mounting direction or usage direction.

  As shown in FIGS. 1 to 5, the light emitting device 1 includes an LED light source 50 having a light emitting unit 52 to be described later, a first main body 10 on which the LED light source 50 is mounted, and a first main body 10 downward. And a second main body portion 30 that is fixedly supported by the support member 60 and is configured to be fitted. First, the LED light source 50 mounted on the LED mounting unit 20b described later of the first main body unit 10 will be described. As shown in FIGS. 4 and 5, the LED light source 50 includes a LED housing 53 including six LED terminals 51 provided in total, three front and rear, and three light emitting units 52. The light emitting unit 52 includes a blue light emitting unit 52b, a red light emitting unit 52r, and a green light emitting unit 52g. The LED terminals 51 are provided in left and right pairs so as to correspond to the light emitting portions 52b, 52r, and 52g, and are soldered to the LED mounting portions 20b (detailed later) of the six contacts 20 of the first main body portion 10. Bonded and mounted.

  Next, the first main body 10 will be described with reference to FIGS. The first main body 10 is manufactured by, for example, insert molding, and is configured by aligning and holding six contacts 20 in a housing 11 made of an insulating material resin. More specifically, as can be seen from FIGS. 6 to 8, three contacts 20 are arranged in the housing 11 in the left and right direction and are held so as to be symmetrical in pairs in the front and rear. Is done.

  The housing 11 is configured such that the upper surface is substantially circular and the upper portion is formed in a substantially cylindrical shape, the bottom surface is formed in a substantially square shape, and the lower portion is formed in a substantially rectangular parallelepiped shape. The housing 11 has a pair of front and rear first and second connector portions 12 and 13 formed to open downward. Contacts 20 are provided inside the first and second connector portions 12 and 13. The contact portion 20d (described in detail later) extends downward. Moreover, the opening part of the 1st connector part 12 and the 2nd connector part 13 is a grade slightly larger than the fitting protrusion part 83 of the other party connector 80 mentioned later, and the 1st connector part 12 and the 2nd connector part 13 of FIG. The shape of the space is a substantially rectangular parallelepiped, and is configured so that the fitting protrusion 83 of the mating connector 80 can be fitted and connected (detailed later).

  As shown in FIG. 8, the housing 11 fixes and holds the contact 20 so as to sandwich the first connector portion 12 and the second connector portion 13 from front, rear, left and right. As described above, each of the six contacts 20 is manufactured by bending a metal material made of a conductive material, and the exposed portion 20a, the LED mounting portion 20b, the bent portion 20c, and the contact portion 20d are integrally connected. Yes. The exposed portions 20a located on the outermost sides in the front-rear direction are respectively provided with three on the left and right sides, three at the front and three at the rear, with the front and rear ends exposed to the outside.

  The inner portion of the exposed portion 20a is bent upward in a crank shape and integrally connected to the LED mounting portion 20b. Since the exposed portion 20a is provided and a part of the contact 20 is exposed to the outside, heat can be released from this portion. Therefore, the LED light source 50 mounted on the upper surface of the LED mounting portion 20b is connected via the contact 20. The temperature of the LED light source 50 rises and the problem of shortening the life can be suppressed. The LED mounting portion 20b is held by the housing 11 with the upper surface exposed upward, and each LED terminal 51 of the LED light source 50 described later is surface-mounted (soldered) on the upper surface of the LED mounting portion 20b. A bent portion 20c that is integrally connected to the inner end of the LED mounting portion 20b and bends in a crank shape is fixed and held so as to be embedded in the housing 11, and extends downward in a bar shape from the lower end of the bent portion 20c. The part 20d is integrally connected.

  The contact portion 20 d is provided to be inserted into a contact receiving hole portion 82 of the mating connector 80 described later and to be electrically connected to the conductor portion 71 of the electric cable 70. Further, the contact portions 20d provided at the three front positions and the contact portions 20d provided at the three rear positions are electrically connected to each other inside the first connector portion 12 and the second connector portion 13, and the first connector portion 12 is provided. The mating connector 80 fitted and connected to the mating connector 80 and the mating connector 80 fitted and connected to the second connector portion 13 can be directly electrically connected without the LED light source 50 (FIG. 11 ( a)).

  As shown in FIGS. 6 and 7, the housing 11 includes a left engaged portion 14 and a right engaged portion 15 on the left and right side surfaces of the lower rectangular parallelepiped portion. The left and right engaged portions 14 and 15 are respectively formed with left and right tapered surfaces 14a and 15a formed to be inclined obliquely outward from the upper end of the rectangular parallelepiped portion, and left and right tapered surfaces 14a and 15a. The left and right side surfaces 14b and 15b extend vertically downward from the lower end of the left and right side surfaces 14b and 15b, and the left and right engaged surfaces 14c and 15c are bent inward at right angles from the lower ends of the left and right side surfaces 14b and 15b. The

  Further, the housing 11 is formed on the front and rear side surfaces of the rectangular parallelepiped portion, the cutout portion 16 formed to extend up and down diagonally right forward of the rectangular parallelepiped portion, the left groove portion 17 formed to open to the left in the cylindrical portion. And a lower recess 19 formed by opening downward. By providing the cutout portion 16 and the left groove portion 17, the front-rear and left-right directions of the housing 11 can be easily recognized. Further, as shown in FIGS. 6B and 7F, four lower recesses 19 are provided on the lower surface of the housing 11. By providing these lower recesses 19, the LED light source 50 and the contacts 20 are provided. The amount of heat released to the outside through the housing 11 can be increased, and the heat dissipation effect of the light emitting device 1 can be increased.

  Next, a description will be given of the second main body 30 that is configured so that the first main body 10 can be fitted from below and can be fixedly supported by the plate-like support member 60 with reference to FIG. 9. The second main body 30 is made of an insulating material and is formed in a substantially rectangular parallelepiped shape. As shown in FIG. 9, the second main body 30 is fitted with a fitting hole 31, an upper fitting protrusion 32, a lower fitting protrusion 33, and a left protrusion. 34 and a notch 35. The fitting hole 31 penetrates up and down in the center of the rectangular parallelepiped portion and is formed in a substantially circular shape. The area of the circular portion is slightly larger than the area of the upper surface of the cylindrical portion above the first main body portion 10. The cylindrical portion of the first main body portion 10 is configured to be insertable from below. The upper fitting protrusion 32 is formed to extend upward from four positions of the fitting hole 31 on the right front side, right rear side, left front side, and left front side, and has a protruding part 36 that protrudes outward. . The left protrusion 34 is formed to protrude upward from the left side of the fitting hole 31 in the rectangular parallelepiped portion and is provided for alignment in the front-rear and left-right directions with respect to the first main body 10 and the support member 60 of the second main body 30. It is done. The lower fitting protrusions 33 are provided on the left and right sides of the fitting hole 31 so as to protrude downward in pairs, and have protrusions 37 that protrude inward. The cutout portion 35 is formed so as to extend vertically upward and downward to the right, and thereby the second main body portion 30 can be recognized in the front-rear and left-right directions.

  Next, the mating connector 80 that can be fitted and connected to the first connector portion 12 and the second connector portion 13 of the first main body portion 10 from below will be briefly described below. As shown in FIG. 10, the mating connector 80 includes a mating housing 81 made of an insulating material and a contact receiving hole 82, and is attached to the end of the electric cable 70. The mating housing 81 includes a fitting projection 83 that projects upward and a small projection 84 that projects from the front side surface of the mating housing 81. The small protrusion 84 has a tapered surface 84a that is inclined outward from above to below. The contact receiving hole 82 is formed on the upper surface of the fitting projection 83 so as to open upward.

  As described above, in the light emitting device 1 according to the present embodiment, as shown in FIGS. 1 and 2, the second main body 30 is fixedly supported by the support member 60, and the first main body 10 is fitted and connected to the second main body 30. Thus, the mating connector 80 can be fitted and connected to the first main body 10. Below, the method and effect | action of these fixed support and fitting connection are demonstrated. First, a method and operation for fixing and supporting the second main body 30 to the support member 60 will be described.

  First, the second main body 30 is positioned below the support hole 61 (see FIGS. 1 and 2) of the support member 60, and the left recess 62 is formed with the left protrusion 34 formed on the left side of the support hole 61. The second main body 30 is aligned in the front-rear and left-right directions with respect to the support member 60 so that the second main-body unit 30 is positioned directly below. When the second main body 30 is moved upward after the alignment, the left protrusion 34 starts to be fitted into the left recess 62 and above the protrusions 36 of the four upper fitting protrusions 32 shown in FIG. The tapered surface 36 a formed in contact with the peripheral edge of the support hole 61 comes into contact with the peripheral edge of the support hole 61.

  Further, when the second main body 30 is moved upward, the four upper fitting protrusions 32 bend inwardly and fit into the support holes 61, and the protrusions 36 move up the peripheral edge of the support holes 61 to protrude. When the portion 36 gets over the support hole 61, the elastic deformation of the upper fitting protrusion 32 returns to its original state, and the four protruding portions 36 are formed on the upper surface of the support member 60 as shown in FIGS. It is located so that the peripheral part of the support hole 61 may be covered. As a result, the upper surface of the support member 60 and the lower surfaces of the four projecting portions 36 face each other, and the support member 60 is sandwiched from above and below by the lower surface of the projecting portion 36 and the upper surface of the rectangular parallelepiped portion of the second main body portion 30. 2 The main body 30 can be fixedly supported by the support member 60 in a state in which the main body 30 is fitted in the support hole 61. In addition, by bending the four upper fitting protrusions 32 inward and releasing the engagement between the four protrusions 36 and the support member 60, the second main body 30 is pulled down from the support hole 61, thereby 2 The main body 30 can be removed from the support member 60.

  Next, a method and operation for fitting the first main body 10 to the second main body 30 will be described. First, as shown in FIGS. 1 and 2, the second body portion 30 of the first body portion 10 is arranged such that the left groove portion 17 of the first body portion 10 is positioned directly below the left protrusion 34 of the second body portion 30. Align the front, rear, left and right. When the first main body portion 10 is moved upward toward the second main body portion 30 in the aligned state, the left groove portion 17 starts to be fitted to the left protrusion 34 and is shown in FIG. 9B. Tapered surfaces 14a and 15a formed on the left and right side surfaces of the first main body 10 on the tapered surfaces 37a formed below the protrusions 37 of the four lower fitting protrusions 33 of the second main body 30 (see FIG. 6). Makes contact.

  Further, when the first main body 10 is moved upward, the lower fitting protrusion 33 bends to the left and right, and the cylindrical portion of the first main body 10 fits into the fitting hole 31 of the second main body 30 and the second 1 The left and right engaged parts 14 and 15 of the main body part 10 move upward relative to the protruding part 37 of the second main body part 30, and the left and right side surfaces 14b and 15b below the left and right tapered surfaces 14a and 15a are protruding parts. The elastic deformation of the lower fitting protrusion 33 returns to the original state when the vehicle 37 is overcome, and the four protrusions 37 cover the left and right engaged surfaces 14c and 15c from below as shown in FIG. (FIG. 3B shows only the right engaged surface 15c). As a result, the left and right engaged surfaces 14c and 15c and the upper surfaces of the protrusions 37 of the four lower fitting protrusions 33 face each other, and the first main body portion 10 remains in a state of being fitted to the second main body portion 30. It is in a state where it is locked and held and cannot be removed. In addition, in the state which bent the four lower fitting protrusion parts 33 to the left-right outer side, and canceled engagement with the four protrusion parts 37, the left engaged surface 14c, and the right engaged surface 15c, the 1st main-body part 10 By pulling down from the second main body 30, the first main body 10 can be detached from the second main body 30.

  Below, the method and effect | action which fit the other party connector 80 to the 1st connector part 12 and the 2nd connector part 13 are demonstrated. First, as described above, the fitting projection 83 of the mating connector 80 can be fitted to the first connector portion 12 and the second connector portion 13. Specifically, the fitting projection 83 is viewed from below. When inserted into the first connector portion 12 or the second connector portion 13 and pushed up, as shown in FIG. 5 and the like, the tapered surface 84a of the upper portion of the small projection portion 84 of the mating housing 81 has the first connector portion 12 or the second connector portion. 13 is contacted with the inner surface of the front and rear end portions and further upwardly pushed, the mating housing 81 is elastically deformed and bent in the front and rear inner sides, and the small projection portion 84 urges the front and rear end surfaces of the first connector portion 12 or the second connector portion 13. When the small protrusion 84 gets over the small holes 18 provided on the pair of front and rear at the upper part, the elastic deformation of the mating housing 81 returns to the original state, and the lower surface of the small protrusion 84 is the bottom of the small holes 18. Opposite the top surface Sea urchin is located.

  At this time, the upper surface of the fitting projection 83 of the mating housing 81 comes into contact with the upper end surface of the first connector portion 12 or the second connector portion 13, and the small projection portion 84 is caught by the small hole portion 18 so that it does not come out downward. As shown in FIG. 5, the contact portion 20 d of the contact 20 comes into contact with the conductor portion 71 of the electric cable 70 through the contact receiving hole portion 82 of the mating connector 80 to be in an electrically connected state. The mating connector 80 is pulled down in a state where the mating housing 81 is elastically deformed by pushing the small projecting portion 84 in the front and rear and the small projection portion 84 and the small hole portion 18 are disengaged. Can be removed from the first connector portion 12 or the second connector portion 13.

  The method for fitting the mating connector 80 to the first connector portion 12 or the second connector portion 13, the method for fixing and supporting the second body portion 30 to the support member 60, and the first body portion to the second body portion 30. Although the method of fitting 10 has been described, there is no particular limitation on the order of fitting or fixing support. For example, after fitting the first body 10 to the second body 30, the second body The mating connector 80 may be fitted to the first connector part 12 or the second connector part 13 in a state where the part 30 is fixedly supported by the support member 60, or the second main body part 30 is fixedly supported by the support member 60 in advance. Then, the first main body portion 10 may be fitted to the second main body portion 30 in a state where the mating connector 80 is fitted to the first connector portion 12 or the second connector portion 13.

  By the way, as described above, the light emitting device 1 according to the present embodiment includes the mating connector 80 fitted and connected to the first connector portion 12 and the mating connector 80 fitted and connected to the second connector portion 13 as an LED light source. Direct electrical connection can be made without going through 50. Specifically, as shown in FIG. 11A, all the six contact portions 20d are electrically connected to the LED terminal 51, and the three contact portions 20d on the first connector portion 12 side and the second connector are connected. The three contact portions 20d on the side of the portion 13 are directly electrically connected without passing through the LED light source 50.

  With the configuration as described above, the light emitting device 1 according to the present embodiment uses the electric cable 70 in which the power supply 90 is connected to one end and the mating connector 80 is attached to the other end, as shown in FIG. Then, the mating connector 80 is fitted into at least one of the first connector portion 12 and the second connector portion 13, whereby the contact 20 and the electric cable 70 are electrically connected via the mating connector 80. Electric power is supplied to the LED terminal 51 through the cable 70 and the contact 20 so that the light emitting portions 52b, 52r, and 52g can emit light.

  Moreover, as shown in FIG.11 (b), the light-emitting device 1 in this embodiment attaches the other party connector 80 to the end of the power cable 70 connected to the power supply 90, and attaches the other party connector 80 to the 1st and 2nd. One of the first and second connector parts 12 and 13 is connected to one end of the mating connector 80 using the electric cable 70 fitted to either one of the connector parts 12 and 13 and having the mating connector 80 attached to both ends. The light-emitting device 1 can be electrically connected by fitting the other connector 80 at the other end to one of the first and second connector portions 12 and 13 of another light-emitting device 1. It becomes. In addition, although illustration of the 1st connector part 12 and the 2nd connector part 13 is abbreviate | omitted in FIG.11 (b), it is the same structure as Fig.11 (a) actually.

  As described above, each light emitting device 1 is electrically connected using the electrical cable 70 provided with the mating connector 80 at the end thereof, so that the power supplied to one light emitting device 1 is also supplied to the other light emitting devices 1. Thus, the light emitting device 1 can be electrically connected in a so-called daisy chain shape so that the light emitting portions 52 of the LED light sources 50 can emit light. When the plurality of light emitting devices 1 are electrically connected as described above, the electrical circuit for supplying power to the LED light source 50 is connected to the electrical circuit for electrically connecting the mating connectors 80 as shown in FIG. Therefore, even if the LED light source 50 of one of the light emitting devices 1 fails, the other light emitting devices 1 are not affected.

  As described above, in the light emitting device 1 according to the present embodiment, the light emitting devices 1 can be electrically connected using the electric cable 70 with the mating connector 80 attached to the end portion. As compared with the conventional configuration in which the electric cable extending from the power source is connected to the electric power, the amount of electric cable used can be reduced. Therefore, the cost of the electric cable can be reduced, and the amount of wiring can be reduced, so that maintenance of the apparatus can be easily performed.

  Moreover, as shown in FIG.1 and FIG.2, the light-emitting device 1 in this embodiment can carry out the fitting connection between the other party connector 80, the 1st main-body part 10, the 2nd main-body part 30, and the support member 60 easily. Therefore, the number of mounting steps for the light emitting device 1 can be reduced. Moreover, since each part can be easily attached and detached, these parts can be easily reused.

  The light emitting device according to the present invention has been described above by taking the light emitting device 1 described above as an example, but the application range of the present invention is not limited to the above embodiment. For example, the example in which the light emitting devices 1 are electrically connected by the electric cable 70 has been described above, but the present invention can be applied without using the electric cable 70. That is, when the mating connector 80 is provided with a terminal made of a conductive material and the mating connector 80 is fitted to a wiring board equipped with an electric circuit, the mating connector 80 is fitted to the first and second connector parts 12 and 13. Each light emitting device can be electrically connected via the wiring board and the mating connector 80.

  Moreover, in the said embodiment, although the light-emitting device 1 demonstrated the example which can be fixedly supported by the plate-shaped support member 60 which has the support hole 61, the light-emitting device which cannot be fixedly supported by the said support member 60 is also a category of this invention. include. However, when a plurality of light-emitting devices can be fixedly supported on the support member 60 as in the present embodiment, the mating connector 80 can be attached to and detached from the light-emitting device from the back surface of the support member 60, and the light-emitting devices are connected to each other. There is an advantage that the mating connector 80 can be attached and detached more easily.

  Further, in the present embodiment, as shown in FIG. 11A, the first connector portion 12 is directly connected to the first connector portion 12 without using the LED light source 50 inside the first connector portion 12 and the second connector portion 13. Although an example in which the mating connector 80 and the mating connector 80 fitted and connected to the second connector portion 13 are directly electrically connected without using the LED light source 50 has been described, it is limited to this configuration. Absent.

  That is, for example, the shape of the contact 20 may be changed so as to physically connect the contact portion 20d of the contact 20 provided at the three front positions and the contact portion 20d of the contact 20 provided at the three rear positions, Further, using three LED connecting electric cables and three connector connecting electric cables, the mating connector 80 is attached to the ends of these six cables, and the mating connector 80 is connected to the first connector portion 12 and the second connector portion. 13, the connector connecting electric cable of the mating connector 80 fitted to the first connector portion 12 and the connector connecting electric cable of the mating connector 80 fitted to the second connector portion 13 are directly connected. If it is configured to be electrically connected, the same effect as described above can be obtained.

  And in this embodiment, although the LED light source 50 demonstrated the example provided with the three LED terminals 51 and the three light emission parts 52b, 52r, 52g, the structure of a LED light source is also limited to this. There is no. That is, the light emitting device according to the present invention can be applied to an LED light source including one, two, or four or more LED chips, or a light source using a light emitting element other than an LED. is there.

DESCRIPTION OF SYMBOLS 1 Light-emitting device 10 1st main-body part (main-body part)
DESCRIPTION OF SYMBOLS 11 Housing 12 1st connector part 13 2nd connector part 20 Contact 20d Contact part 30 2nd main-body part (main-body part)
51 LED terminal (connection terminal part) 52 light emitting part 60 support member 61 support hole 70 electric cable 71 conductor part (terminal)
80 Mating connector

Claims (3)

A main body configured to include a plurality of contacts made of a conductive material and a housing made of an insulating material that holds the plurality of contacts, and a connection terminal portion is electrically connected to the contacts and attached to the main body. In a light emitting device provided with a light emitting unit,
The housing is provided with a first connector portion and a second connector portion formed by exposing a contact portion of the contact, and mating connectors having terminals made of a conductive material are fitted to the first and second connector portions. Configured and possible
When the mating connector is fitted to at least one of the first and second connector portions, the terminals of the contacts and the mating connector are electrically connected, and the terminals are connected to the connection terminal portions via the contacts. It is configured to be able to supply power to make the light emitting part emit light,
When the mating connector is fitted to both the first and second connector parts, the mating connector terminals fitted to the first connector part, the contacts, and the second connector part are fitted. A light emitting device characterized in that a terminal of a mating connector is electrically connected. The mating connector is attached to an end of an electrical cable, and the terminal of the mating connector and the conductor of the electrical cable are electrically connected,
A mating connector attached to one end of the electric cable is fitted into either the first connector portion or the second connector portion of the main body, and the mating connector attached to the other end of the electric cable is connected to the main body portion. Is fitted into one of the first connector part and the second connector part of another body part so that the contacts of the body part and the other body part are electrically connected via the electrical cable. The light emitting device according to claim 1, wherein the light emitting device is configured as follows. The main body portion is configured to be fitted to a support hole formed through the plate-like support member in a state where the light emitting portion is exposed to the outside, and can be fixedly supported by the support member.
A plurality of the main body portions are fixedly supported by the support member, and the mating connector is connected to the first and second connector portions of each main body portion fixedly supported from the opposite side of the light emitting portion with respect to the support member. The light emitting device according to claim 1, wherein the light emitting device is configured to be fitted.

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