WO2012145958A1 - Led灯条连接装置、背光模组及液晶显示装置 - Google Patents

Led灯条连接装置、背光模组及液晶显示装置 Download PDF

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Publication number
WO2012145958A1
WO2012145958A1 PCT/CN2011/075885 CN2011075885W WO2012145958A1 WO 2012145958 A1 WO2012145958 A1 WO 2012145958A1 CN 2011075885 W CN2011075885 W CN 2011075885W WO 2012145958 A1 WO2012145958 A1 WO 2012145958A1
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Prior art keywords
led light
light bar
card slot
connecting device
pressure plate
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PCT/CN2011/075885
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English (en)
French (fr)
Inventor
俞刚
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深圳市华星光电技术有限公司
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Application filed by 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US13/148,494 priority Critical patent/US20120274872A1/en
Publication of WO2012145958A1 publication Critical patent/WO2012145958A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars

Definitions

  • the invention relates to the field of backlights, and in particular to an LED light bar connecting device, a backlight module and a liquid crystal display device.
  • the Diode (light-emitting diode) light bar is electrically connected to an external device through a connector, and the connector is soldered to the LED light bar by means of a patch.
  • 1 and 2 are schematic diagrams showing a connection structure of a connector and an LED light bar in the prior art.
  • the connector 10 is a square cavity that is soldered to the LED strip 20 in a patch manner. This method has the following drawbacks: on the one hand, the unit price of the connector 10 is high, and on the other hand, the patch also requires a certain cost, and the combination of the two causes the cost of connecting the LED strip to the external device to be too high.
  • the main object of the present invention is to provide an LED light bar connecting device, a backlight module and a liquid crystal display device, which are convenient for connecting and removing the power cable of the LED light bar, and have a simple structure and low cost.
  • the invention provides an LED light bar connecting device, comprising:
  • the card slot member has an inner side at the front side opening for connection with the LED light bar, a rear hole is provided on the rear side plane, and the side wall is provided with a side for cable access and connection with the conductive area of the LED light bar hole;
  • a pressure plate disposed in the cavity of the card slot member and movable along the side wall;
  • a lifting rod having one end passing through the through hole and fixedly connected to the pressure plate, and the other end being disposed outside the rear side of the card slot member;
  • the elastic member is sleeved on the pulling rod and located between the top of the slot member and the pressure plate.
  • the pressure plate is provided with a bump
  • the LED light bar is provided with an opening for engaging with the protrusion for limiting the left and right movement of the LED light bar.
  • the card slot member is a card slot of a C-type structure.
  • an upper end of the pressure plate and a side away from the side hole are provided with a boss for positioning a cable.
  • the boss is integrally formed with the pressure plate.
  • a maximum spacing between the pressure plate and an inner top of the card slot member is less than a length of the elastic member in a free state.
  • the elastic member is a spring or a spring piece.
  • the cross-sectional shape of the pulling rod is circular, rectangular or triangular.
  • the lifting rod and the pressure plate are connected by thread, welding or riveting.
  • the invention further provides a backlight module, comprising an LED light bar connecting device, wherein the LED light bar connecting device comprises:
  • the card slot member has an inner side at the front side opening for connection with the LED light bar, a rear hole is provided on the rear side plane, and the side wall is provided with a side for cable access and connection with the conductive area of the LED light bar hole;
  • a pressure plate disposed in the cavity of the card slot member and movable along the side wall;
  • a lifting rod having one end passing through the through hole and fixedly connected to the pressure plate, and the other end being disposed outside the rear side of the card slot member;
  • the elastic member is sleeved on the pulling rod and located between the top of the slot member and the pressure plate.
  • the pressure plate is provided with a bump
  • the LED light bar is provided with an opening for engaging with the protrusion for limiting the movement of the LED light bar.
  • the card slot member is a card slot of a C-type structure.
  • a side of the pressure plate adjacent to the LED light bar is provided with a boss for positioning a cable.
  • the boss is integrally formed with the pressure plate.
  • a maximum spacing between the pressure plate and an inner top of the card slot member is less than a length of the elastic member in a free state.
  • the elastic member is a spring or a spring piece.
  • the present invention further provides a liquid crystal display device, comprising a backlight module, the backlight module comprising an LED light bar connecting device, wherein the LED light bar connecting device comprises:
  • the card slot member is a C-shaped card slot member
  • the inner side of the front side opening is for connecting with the LED light bar
  • the rear side plane is provided with a through hole
  • the side wall is provided with a connection for external power supply. a side hole through which the cable is connected and connected to the conductive area of the LED strip;
  • a pressure plate disposed in the cavity of the card slot member and movable along the side wall;
  • a lifting rod having one end passing through the through hole and fixedly connected to the pressure plate, and the other end being disposed outside the rear side of the card slot member;
  • the elastic member is sleeved on the pulling rod and located between the top of the slot member and the pressure plate.
  • the pressure plate is provided with a bump
  • the LED light bar is provided with an opening for engaging with the protrusion for limiting the movement of the LED light bar.
  • the cross section of the C-shaped card slot member is a rectangle having a notch on one side.
  • the liquid crystal display device is a liquid crystal television.
  • the front side of the card slot member is connected with the end of the LED light bar, and the cable connected to the external power source can be accessed from the side hole of the card slot member, under the elastic force of the elastic member.
  • the pressure plate crimps the cable to the conductive area of the LED light bar to complete the connection between the LED light bar and the external device.
  • FIG. 1 is a schematic structural view of a conventional connector
  • FIG. 2 is a schematic structural view of the connector of FIG. 1 connected to an LED light bar;
  • FIG. 3 is a schematic perspective view showing the first embodiment of the LED light bar connecting device of the present invention.
  • Figure 4 is a vertical sectional view of the LED light bar connecting device of Figure 3;
  • FIG. 5 is a schematic structural view showing a state of use of the LED light bar connecting device of FIG. 3;
  • Figure 6 is a schematic view showing the structure of the second embodiment of the LED light bar connecting device of the present invention.
  • Fig. 7 is a structural schematic view showing the state of use of the third embodiment of the LED light bar connecting device of the present invention.
  • the LED light bar connecting device includes a card slot member 100, a pressure plate 200, a lifting rod 300, and an elastic member 400, wherein
  • the inner side of the front side opening of the card slot member 100 is connected to the LED light bar 600, and is fixed to the external LED light bar 600.
  • the front side opening is used for the LED light bar 600 to transmit light
  • the rear side plane is provided with a through hole.
  • the side wall is provided with a side hole 101 for the cable 500 to be connected and connected to the conductive area at one end of the LED light bar 600.
  • the conductive area is a copper leakage area on the LED light bar 600 for connecting the power source and the cable. 500 is used to connect to an external power source.
  • the card slot member of this embodiment is a C-shaped structure card slot, and the C-shaped structure card slot can be understood as a member having a rectangular cross section and a notch on one side.
  • the pressure plate 200 is disposed in the cavity of the card slot member 100 and can move left and right along the side wall; that is, it can move back and forth within the card slot member 100.
  • One end of the lifting rod 300 passes through the through hole and is fixedly connected to the pressing plate 200, and the other end is placed outside the rear side of the card slot member 100, and the pulling rod 300 is pulled to be placed in the slot member.
  • the end plate other than 100 moves the platen 200 back and forth.
  • the elastic member 400 is sleeved on the lifting rod 300 between the top of the slot member 100 and the pressing plate 200.
  • the two ends of the elastic member 400 are respectively placed on the inner top of the pressing plate 200 and the slot member 100.
  • a protrusion 201 for positioning the LED light bar 600 is disposed on a side of the pressing plate 200 adjacent to the LED light bar 600.
  • the corresponding LED light bar 600 is disposed on the LED light bar 600 for limiting the left and right movement of the LED light bar 600. Opening.
  • the bump 201 is inserted into the hole of the LED light bar 600 to position the LED light bar 600 in the left-right direction.
  • the pulling rod 300 is pulled outward, and then the conductive region at one end of the LED light bar 600 is slid in from the one end of the card slot member 100, and the card is stuck.
  • the cable 500 connected to the external power source is then inserted from the side hole 101 to a position corresponding to the conductive area of the LED light bar 600, and finally the pull rod 300 is loosened by the elastic member 400.
  • the pressure plate 200 presses the cable 500 against the conductive area of the LED light bar 600 to realize the connection of the LED light bar 600 to the power source.
  • the invention realizes convenient connection and removal of the power line of the LED light bar 600, and has the characteristics of simple structure and low cost.
  • a second embodiment of the LED light bar connecting device of the present invention is shown.
  • the embodiment includes all the technical solutions of the above embodiments, and at least one boss 202 which is squeezable with the cable 500 is disposed on one side of the pressure plate 200.
  • the boss 202 is disposed at a lower portion of the pressure plate 200 and adjacent to the LED.
  • One side of the light bar 600. The pressing of the boss 202 and the cable 500 reduces the stress area and increases the pressure, which makes the connection between the cable 500 and the conductive strip of the LED strip 600 more reliable.
  • the boss 202 can be disposed according to the pins of the cable 500, that is, a plurality of bosses 202 are provided and respectively adapted to the respective pin positions of the cable 500, and each boss 202 presses the pins of one cable 500, so that The conductive contact is better.
  • the maximum distance H between the pressure plate 200 and the rear side of the card slot member 100 is smaller than the length of the elastic member 400 in the non-elastic state, that is, the elastic member 400 is always pressed in the card slot member 100, that is, the elastic member 400 is always at the same time.
  • the compressed state ensures that the elastic member 400 has a sufficient amount of compression during use, thereby ensuring the reliability of the connection.
  • the elastic member 400 may be of other elastic structural members such as a spring or a spring.
  • the cross-sectional shape of the pull rod 300 described above is other shapes such as a circle, a rectangle, or a triangle.
  • the pulling rod 300 and the pressure plate 200 are connected by other means such as threading, welding or riveting.
  • the boss 202 is formed separately from the platen 200, and the boss 202 is embedded in the platen 200. Alternatively, the boss 202 may be integrally formed with the pressure plate 200 to reduce the manufacturing process and improve the production efficiency.
  • a third embodiment of the LED light bar connecting device of the present invention is proposed, which is based on the above embodiment of Fig. 6, but the difference is that the positions of the bosses 202 are different, and the boss 202 of the embodiment is provided.
  • the boss 202 is provided with at least one, which can be used to define the position of the cable 500.
  • the boss 202 is not directly pressed against the cable 500, and can The same effect of the above example, the connection is more reliable, and can also play the role of defining the position of the cable 500.
  • the connection position is determined, so that the installation is faster.
  • the invention further provides a backlight module, which adopts all the technical solutions of the above embodiments of the LED light bar connecting device, and achieves the same technical effect, therefore, the technical solution and technical effect of the LED light bar connecting device No longer.
  • the invention further provides a liquid crystal display device, comprising a backlight module, the backlight module comprises an LED light bar connecting device, and the LED light bar connecting device comprises:
  • the slot member 100 is a C-shaped slot member.
  • the C-shaped slot member has a rectangular cross section with a notch on one side, and the inner side of the front opening is for connecting with the LED strip 600.
  • a through hole is provided in the side plane, and the side wall is provided with a side hole 101 through which the cable 500 connected to the external power source is connected and connected to the conductive area of the LED light bar 600.
  • the pressure plate 200 is disposed in the cavity of the card slot member 100 and movable along the side wall.
  • the pressure plate 200 is provided with a protrusion 201.
  • the LED light bar 600 is provided with the protrusion 201 for limiting the movement of the LED light bar 600. hole.
  • the pulling rod 300 has one end passing through the through hole and fixedly connected to the pressure plate 200, and the other end being disposed outside the rear side of the card slot member 100.
  • the elastic member 400 is sleeved on the lifting rod 300 and located between the top of the slot member 100 and the pressure plate 200.
  • the liquid crystal display device of the embodiment can be a liquid crystal television, which is convenient for connecting and removing the power cable of the LED light bar 600, and has the characteristics of simple structure and low cost.
  • the LED light bar connecting device in this embodiment further includes other technical solutions of the foregoing LED light bar connecting device embodiment, and the technical effects achieved are also the same, and are not described herein again.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

LED 灯条连接装置、背光模组及液晶显示装置
技术领域
本发明涉及背光领域，特别涉及一种LED灯条连接装置、背光模组及液晶显示装置。
背景技术
目前，在背光领域，很多LED（Light Emitting Diode，发光二极管）灯条通过连接器与外部器件电连接，连接器采用贴片的方式焊接在LED灯条上。参照图1和图2，为现有技术中一种连接器与LED灯条的连接结构示意图。连接器10为一方形腔体，采用贴片的方式焊接到LED灯条20上。该方式存在以下缺陷：一方面连接器10的单价较高，另一方面贴片也需要一定的成本，两者结合，造成LED灯条与外部器件连接的成本过高。
发明内容
本发明的主要目的是提供一种LED灯条连接装置、背光模组及液晶显示装置，旨在实现LED灯条的电源线连接和拆除方便，结构简单、成本低。
本发明提出一种LED灯条连接装置，包括：
卡槽构件，其前侧开口处的内侧用于与LED灯条连接，后侧平面上设置有一通孔，侧壁设置有可供电缆接入并与所述LED灯条的导电区连接的侧孔；
压板，设置在所述卡槽构件腔体内，可沿侧壁活动；
提拉杆，其一端穿过所述通孔并与所述压板固定连接，另一端置于所述卡槽构件的后侧外；
弹性构件，套接在所述提拉杆上，位于卡槽构件内顶和压板之间。
优选地，所述压板设有凸块，所述LED灯条上设有与该凸块配合、用于限制LED灯条左右移动的开孔。
优选地，所述卡槽构件为C型结构的卡槽。
优选地，所述压板的上端、远离所述侧孔的一侧设有一定位电缆的凸台。
优选地，所述凸台与所述压板一体成型。
优选地，所述压板与所述卡槽构件的内顶之间的最大间距小于所述弹性构件自由状态时的长度。
优选地，所述弹性构件为弹簧或弹片。
优选地，所述提拉杆的横截面形状为圆形、矩形或三角形。
优选地，所述提拉杆与所述压板之间通过螺纹、焊接或铆接方式连接。
本发明又提出一种背光模组，包括LED灯条连接装置, 所述LED灯条连接装置包括:
卡槽构件，其前侧开口处的内侧用于与LED灯条连接，后侧平面上设置有一通孔，侧壁设置有可供电缆接入并与所述LED灯条的导电区连接的侧孔；
压板，设置在所述卡槽构件腔体内，可沿侧壁活动；
提拉杆，其一端穿过所述通孔并与所述压板固定连接，另一端置于所述卡槽构件的后侧外；
弹性构件，套接在所述提拉杆上，位于卡槽构件内顶和压板之间。
优选地，所述压板设有凸块，所述LED灯条上设有与该凸块配合、用于限制LED灯条移动的开孔。
优选地，所述卡槽构件为C型结构的卡槽。
优选地，所述压板靠近所述LED灯条的一侧设有一定位电缆的凸台。
优选地，所述凸台与所述压板一体成型。
优选地，所述压板与所述卡槽构件的内顶之间的最大间距小于所述弹性构件自由状态时的长度。
优选地，所述弹性构件为弹簧或弹片。
本发明再提出一种液晶显示装置，包括背光模组，所述背光模组包括LED灯条连接装置，其特征在于，所述LED灯条连接装置包括：
卡槽构件，所述卡槽构件为C型卡槽构件，其前侧开口处的内侧用于与LED灯条连接，后侧平面上设置有一通孔，侧壁设置有可供与外部电源连接的电缆接入并与所述LED灯条的导电区连接的侧孔；
压板，设置在所述卡槽构件腔体内，可沿侧壁活动；
提拉杆，其一端穿过所述通孔并与所述压板固定连接，另一端置于所述卡槽构件的后侧外；
弹性构件，套接在所述提拉杆上，位于卡槽构件内顶和压板之间。
优选地，所述压板设有凸块，所述LED灯条上设有与该凸块配合、用于限制LED灯条移动的开孔。
优选地，所述C型卡槽构件的横截面为一边上有一缺口的矩形。
优选地，所述液晶显示装置为液晶电视。
本发明LED灯条连接装置中，卡槽构件的前侧与LED灯条的端部连接起来，与外部电源连接的电缆可从卡槽构件的侧孔接入，在弹性构件的弹力挤压下，压板将电缆压接在LED灯条的导电区，完成LED灯条与外部器件的连接。本发明实现LED灯条的电源线连接和拆除方便，还具有结构简单、成本低等特点。
附图说明
图1为现有的连接器结构示意图；
图2为图1中的连接器与LED灯条连接的结构示意图；
图3为本发明LED灯条连接装置第一实施例中立体结构示意图；
图4为图3中LED灯条连接装置的竖向截面示意图；
图5为图3中LED灯条连接装置的一使用状态结构示意图；
图6为本发明LED灯条连接装置第二实施例的使用状态结构示意图；
图7为本发明LED灯条连接装置第三实施例的使用状态结构示意图。
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
参照图3、图4、图5，提出本发明LED灯条连接装置的第一实施例。本实施例中，LED灯条连接装置包括卡槽构件100、压板200、提拉杆300以及弹性构件400，其中，
卡槽构件100的前侧开口处的内侧用于与LED灯条600连接，与外部的LED灯条600固定，前侧开口处用于LED灯条600透光，后侧平面上设置有一通孔，侧壁设置有侧孔101，该侧孔101可供电缆500接入并与LED灯条600一端的导电区连接，导电区为LED灯条600上的漏铜区，用于连接电源，电缆500用于与外部电源连接。本实施例的卡槽构件为C型结构的卡槽，C型结构的卡槽可理解为横截面为矩形并在一边上有一缺口的构件。
上述压板200设置在所述卡槽构件100腔体内，可沿侧壁左右活动；即可在卡槽构件100内来回移动。
上述提拉杆300的一端穿过所述通孔并与所述压板200固定连接，另一端置于所述卡槽构件100的后侧外，通过拉动所述提拉杆300置于所述卡槽构件100以外的一端，使上述压板200来回移动。
上述弹性构件400套接在所述提拉杆300上，位于卡槽构件100内顶和压板200之间,弹性构件400的两端分别顶在上述压板200、卡槽构件100的内顶。
上述压板200靠近LED灯条600的一侧设置有一可用于定位LED灯条600的凸块201，对应的LED灯条600上设有与该凸块201配合、用于限制LED灯条600左右移动的开孔。凸块201插入LED灯条600的孔内，使LED灯条600在左右方向上定位。
LED灯条600通过本LED灯条连接装置与外部电源连接时，首先，将提拉杆300往外拉，再将LED灯条600一端的导电区域从卡槽构件100的一侧端滑进，并卡在槽构件100内，然后，再将与外部电源连接的电缆500从侧孔101插入到与LED灯条600的导电区域相对应的位置，最后松开提拉杆300，在弹性构件400的作用下，压板200将电缆500压紧在LED灯条600的导电区，实现LED灯条600与电源的连接。本发明实现LED灯条600的电源线连接和拆除方便，还具有结构简单、成本低等特点。
参照图6，为本发明LED灯条连接装置的第二实施例。本实施例包括了上述实施例的全部技术方案，还在上述压板200的一侧上设置有至少一个可与上述电缆500挤压的凸台202，凸台202设置在压板200的下部、靠近LED灯条600的一侧。由凸台202与电缆500挤压，减小了受力面积增大了压强，可使电缆500与LED灯条600的导电区连接更加可靠。凸台202可按电缆500的接脚来设置，即设置多个凸台202并分别与电缆500的各个接脚位置相对应适配，每个凸台202挤压一个电缆500的接脚，使得导电接触更良好。
上述压板200与卡槽构件100的后侧之间的最大间距H小于弹性构件400无弹力状态时的长度，即弹性构件400在卡槽构件100内始终处于压紧状态，即弹性构件400始终处于受压缩的状态，以保证使用时弹性构件400有足够的压缩量，进而保证连接的可靠性。
上述弹性构件400采用弹簧或弹片等其它弹力结构件均可。
上述提拉杆300的横截面形状为圆形、矩形或三角形等其它形状。
上述提拉杆300与上述压板200之间通过螺纹、焊接或铆接等其它方式连接起来。
上述凸台202与上述压板200分体成型，上述凸台202镶嵌在上述压板200中。或者，上述凸台202与上述压板200一体化成型制造，减少制造工艺，提高生产效率。
参照图7，提出本发明LED灯条连接装置的第三实施例，在上述图6实施例的基础上，但不同的是，所述凸台202设置的位置不同，本实施例凸台202设置在上述压板200的上部、靠近LED灯条600一侧，凸台202设置有至少一个，可用于限定所述电缆500位置，该凸台202不与电缆500直接相挤压，既可起到与上实例相同的作用，连接更加可靠外，又可起到限定电缆500位置的作用，电缆500从侧孔101插入顶在该凸台202上时确定其连接位置，使安装更为快速。
本发明又提出一种背光模组，该背光模组采用了上述LED灯条连接装置实施例的全部技术方案，所达到的技术效果也相同，因此，LED灯条连接装置的技术方案和技术效果不再赘述。
本发明再提出一种液晶显示装置，包括背光模组，背光模组包括LED灯条连接装置，LED灯条连接装置包括：
卡槽构件100，卡槽构件100为C型卡槽构件，该C型卡槽构件的横截面为一边上有一缺口的矩形，其前侧开口处的内侧用于与LED灯条600连接，后侧平面上设置有一通孔，侧壁设置有可供与外部电源连接的电缆500接入并与LED灯条600的导电区连接的侧孔101。
压板200，设置在卡槽构件100腔体内，可沿侧壁活动；压板200设有凸块201，LED灯条600上设有与该凸块201配合、用于限制LED灯条600移动的开孔。
提拉杆300，其一端穿过通孔并与压板200固定连接，另一端置于卡槽构件100的后侧外。
弹性构件400，套接在提拉杆300上，位于卡槽构件100内顶和压板200之间。
本实施例的液晶显示装置可以为液晶电视，实现LED灯条600的电源线连接和拆除方便，还具有结构简单、成本低等特点。本实施例中的LED灯条连接装置还包括上述LED灯条连接装置实施例的其它技术方案，所达到的技术效果也相同，在此不再赘述。
以上所述仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (20)

  1. 一种LED灯条连接装置，其特征在于，包括：
    卡槽构件，其前侧开口处的内侧用于与LED灯条连接，后侧平面上设置有一通孔，侧壁设置有可供电缆接入并与所述LED灯条的导电区连接的侧孔；
    压板，设置在所述卡槽构件腔体内，可沿侧壁活动；
    提拉杆，其一端穿过所述通孔并与所述压板固定连接，另一端置于所述卡槽构件的后侧外；
    弹性构件，套接在所述提拉杆上，位于卡槽构件内顶和压板之间。
  2. 根据权利要求1所述的LED灯条连接装置，其特征在于，所述压板设有凸块，所述LED灯条上设有与该凸块配合、用于限制LED灯条移动的开孔。
  3. 根据权利要求2所述的LED灯条连接装置，其特征在于，所述卡槽构件为C型结构的卡槽。
  4. 根据权利要求3所述的LED灯条连接装置，其特征在于，所述压板靠近所述LED灯条的一侧设有一定位电缆的凸台。
  5. 根据权利要求4所述的LED灯条连接装置，其特征在于，所述凸台与所述压板一体成型。
  6. 根据权利要求5所述的LED灯条连接装置，其特征在于，所述压板与所述卡槽构件的内顶之间的最大间距小于所述弹性构件自由状态时的长度。
  7. 根据权利要求6所述的LED灯条连接装置，其特征在于，所述弹性构件为弹簧或弹片。
  8. 根据权利要求1所述的LED灯条连接装置，其特征在于，所述提拉杆的横截面形状为圆形、矩形或三角形。
  9. 根据权利要求8所述的LED灯条连接装置，其特征在于，所述提拉杆与所述压板之间通过螺纹、焊接或铆接方式连接。
  10. 一种背光模组，包括LED灯条连接装置，其特征在于，所述LED灯条连接装置包括：
    卡槽构件，其前侧开口处的内侧用于与LED灯条连接，后侧平面上设置有一通孔，侧壁设置有可供电缆接入并与所述LED灯条的导电区连接的侧孔；
    压板，设置在所述卡槽构件腔体内，可沿侧壁活动；
    提拉杆，其一端穿过所述通孔并与所述压板固定连接，另一端置于所述卡槽构件的后侧外；
    弹性构件，套接在所述提拉杆上，位于卡槽构件内顶和压板之间。
  11. 根据权利要求10所述的背光模组，其特征在于，所述压板设有凸块，所述LED灯条上设有与该凸块配合、用于限制LED灯条移动的开孔。
  12. 根据权利要求11所述的背光模组，其特征在于，所述卡槽构件为C型结构的卡槽。
  13. 根据权利要求12所述的背光模组，其特征在于，所述压板靠近所述LED灯条的一侧设有一定位电缆的凸台。
  14. 根据权利要求13所述的背光模组，其特征在于，所述凸台与所述压板一体成型。
  15. 根据权利要求14所述的背光模组，其特征在于，所述压板与所述卡槽构件的内顶之间的最大间距小于所述弹性构件自由状态时的长度。
  16. 根据权利要求15所述的背光模组，其特征在于，所述弹性构件为弹簧或弹片。
  17. 一种液晶显示装置，包括背光模组，所述背光模组包括LED灯条连接装置，其特征在于，所述LED灯条连接装置包括：
    卡槽构件，所述卡槽构件为C型卡槽构件，其前侧开口处的内侧用于与LED灯条连接，后侧平面上设置有一通孔，侧壁设置有可供与外部电源连接的电缆接入并与所述LED灯条的导电区连接的侧孔；
    压板，设置在所述卡槽构件腔体内，可沿侧壁活动；
    提拉杆，其一端穿过所述通孔并与所述压板固定连接，另一端置于所述卡槽构件的后侧外；
    弹性构件，套接在所述提拉杆上，位于卡槽构件内顶和压板之间。
  18. 根据权利要求17所述的液晶显示装置，其特征在于，所述压板设有凸块，所述LED灯条上设有与该凸块配合、用于限制LED灯条移动的开孔。
  19. 根据权利要求18所述的液晶显示装置，其特征在于，所述C型卡槽构件的横截面为一边上有一缺口的矩形。
  20. 根据权利要求19所述的液晶显示装置，其特征在于，所述液晶显示装置为液晶电视。
PCT/CN2011/075885 2011-04-29 2011-06-17 Led灯条连接装置、背光模组及液晶显示装置 WO2012145958A1 (zh)

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