CN211557588U

CN211557588U - Backlight module lighting jig

Info

Publication number: CN211557588U
Application number: CN201922489018.3U
Authority: CN
Inventors: 张广虎
Original assignee: InfoVision Optoelectronics Kunshan Co Ltd
Current assignee: InfoVision Optoelectronics Kunshan Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-22
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a backlight unit tool of lighting a lamp for backlight unit's test, it includes: the bottom plate, the power supply subassembly, the slip subassembly, conductive component, plummer and a plurality of setting element, power supply subassembly and slip subassembly set up on the bottom plate, conductive component and plummer are respectively through slip subassembly and bottom plate sliding connection, wherein, the power supply subassembly includes current adjusting part, current adjusting part's input and output are connected with power and conductive component electricity respectively, be provided with a plurality of locating holes that the array was arranged on the plummer, the plug-in setting element in the part locating hole, and this setting element protrusion deviates from the plane of bottom plate in the plummer. The utility model provides a backlight unit tool of lighting a lamp can be applicable to backlight unit test work of unidimensional and signal input through simple regulation, has greatly improved efficiency of software testing, has reduced tool development cost.

Description

Backlight module lighting jig

Technical Field

The utility model relates to a liquid crystal display technology field especially relates to a backlight tool of lighting a lamp.

Background

At present, liquid crystal display screens are increasingly widely used in various products such as mobile phones, televisions and the like, and in order to obtain a uniform backlight source and to enable the brightness of the liquid crystal display screens to be uniform, a backlight source lighting fixture is generally required to test the optical performance of a backlight module, so that the relative position and angle of the backlight module and a light source are determined, and the brightness, angle and uniformity of light emitted from the backlight module meet the requirements of the liquid crystal display screens.

At the leading-in stage of new goods of liquid crystal display module assembly, because the model of the product that uses liquid crystal display is many, liquid crystal display's size and shape also are different, and the size and the shape that provide the backlight unit of light source for liquid crystal display are also different, consequently need provide corresponding backlight unit to the backlight unit of different sizes and shape and light a lamp tool.

Because the existing backlight module lighting jig is specially designed for the overall dimension of the liquid crystal display equipment, the position of each lighting jig for bearing the backlight module is fixed, and the rated current and voltage used by the lighting jig of each model are different, therefore, the existing backlight module lighting jig has no universality, and the lighting jig needs to be redesigned after the model of a product is changed. With the diversification of product models, the number of lighting fixtures required to be designed and manufactured is more and more, and the production cost is increased.

In view of the above, the applicant of the present invention has made an intensive conception on the defects and inconveniences caused by the perfection of the above-mentioned etching rack and etching basket, and has actively researched, improved and tried to develop and design the present invention.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the not enough of prior art, provide a backlight unit tool of lighting a lamp to solve the problem that the backlight unit product of full machine type can not be suitable for that the current tool design of lighting a lamp leads to inadequately, thereby promote efficiency of software testing, reduce tool development cost.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a backlight unit tool of lighting a lamp for backlight unit's test includes: the power supply assembly and the sliding assembly are arranged on the bottom plate, and the conductive assembly and the bearing table are respectively connected with the bottom plate in a sliding manner through the sliding assembly;

the power supply assembly comprises a current adjusting component, the input end and the output end of the current adjusting component are respectively electrically connected with a power supply and the conductive component, a plurality of positioning holes which are arranged in an array mode are formed in the bearing table, and part of the positioning holes are inserted with the positioning pieces which are inserted into the positioning holes and protrude out of the bearing table and deviate from the plane of the base plate. .

Furthermore, the conductive assembly comprises a sliding rod, a conductive clip sleeved on the sliding rod and a fastening device used for controlling the position of the conductive clip on the sliding rod, and the sliding rod is perpendicular to the plane where the bottom plate is located.

Further, the conducting clip comprises two positioning clamping plates, and a plurality of conducting terminals are respectively arranged on the clamping sides of the two positioning clamping plates.

Further, the bearing platform comprises a bearing plate and a bearing frame, one end of the bearing frame is fixedly connected with the bearing plate, and the other end of the bearing frame is connected with the sliding assembly in a sliding mode.

Furthermore, the sliding assembly comprises a first sliding guide rail positioned in a first direction and a second sliding guide rail positioned in a second direction, the first direction is perpendicular to the second direction, and the conductive assembly and the bearing table are respectively connected with the first sliding guide rail and the second sliding guide rail in a clamping manner.

Further, the sliding assembly further comprises a first locking device for fixing the positions of the conductive assembly and the carrier table relative to the first and second sliding rails.

Further, the first locking device is a limiting member disposed on the first sliding guide rail and the second sliding guide rail, and the limiting member is rotatably connected to the first sliding guide rail and the second sliding guide rail respectively.

Further, the bearing platform further comprises a second locking device, and the second locking device is used for fixing the position of the bearing platform relative to the second sliding guide rail.

Further, the second locking device comprises a threaded sleeve and a screw rod in threaded connection with the threaded sleeve, the threaded sleeve comprises a first threaded sleeve fixedly arranged on the bottom plate and a second threaded sleeve fixedly arranged on the bearing table body, and the screw rod penetrates through the first threaded sleeve and the second threaded sleeve and is parallel to the second direction.

Furthermore, each of the plurality of conductive terminals on the positioning clamp plate includes a first conductive terminal group, a second conductive terminal group and a third conductive terminal group, and the first conductive terminal group, the second conductive terminal group and the third conductive terminal group are respectively disposed on three different side edges of the clamping side of the positioning clamp plate.

The utility model provides a backlight unit tool of lighting a lamp for backlight unit's test, it includes: the power supply assembly is arranged on the bottom plate, the sliding assembly is arranged on the bearing platform and passes through the sliding assembly and is connected with the bottom plate in a sliding mode, the power supply assembly comprises a current adjusting part, the input end and the output end of the current adjusting part are electrically connected with a power source and the conducting assembly respectively, a plurality of positioning holes arranged in an array mode are formed in the bearing platform, positioning pieces are inserted into part of the positioning holes, and the positioning pieces protrude out of the plane of the bearing platform. The utility model provides a backlight unit tool of lighting a lamp can be applicable to backlight unit test work of unidimensional and signal input through simple regulation, very big improvement efficiency of software testing, reduced tool development cost.

Other advantages of the present invention will be described in more detail in the detailed description which follows, and in conjunction with the accompanying drawings.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.

In the drawings:

fig. 1, fig. 2 and fig. 3 are schematic perspective views of a backlight module lighting fixture according to an embodiment of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 2.

Detailed Description

To further explain the technical solution of the present invention, the present invention is explained in detail below with reference to the accompanying drawings, wherein like elements are designated by like reference numerals in each of the drawings. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale. Also, some well-known elements may be shown.

The present invention may be presented in a variety of forms, some of which are described below.

Fig. 1, fig. 2, and fig. 3 are schematic perspective views of a backlight module lighting fixture according to an embodiment of the present invention. As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a backlight module lighting fixture for backlight module's test, include: the base plate 10, the power supply assembly 20, the sliding assembly 40, the conductive assembly 30 and the bearing table 50. The base plate 10 is made of an insulating material and includes an upper surface and a lower surface. Exemplarily, the lower surface of the base plate 10 is provided with an anti-slip pad, the upper surface of the base plate 10 is provided with a sliding assembly 40 and a power supply assembly 20 for outputting an electrical signal, the power supply assembly 20 includes a current adjusting component, an input end of the current adjusting component is connected to a power supply, an output end of the current adjusting component is electrically connected to the conductive assembly 30, and the conductive assembly 30 is used for electrically connecting to a test terminal of the backlight module to be tested so as to test whether the optical performance of the backlight module meets requirements or not. The conductive assembly 30 and the carrying platform 50 for carrying the backlight module to be tested are disposed above the bottom plate 10 and are respectively connected to the bottom plate 10 through the sliding assembly 40 in a sliding manner. Since the conductive assembly 30 and the carrier 50 can slide freely on the base plate 10, the tester can adjust the positions of the conductive assembly 30 and the carrier 50 according to actual requirements. The bearing table 50 is provided with a plurality of positioning holes 511 arranged in an array. The backlight module positioning jig further comprises a plurality of positioning parts 60, exemplarily, the positioning parts 60 can be in a column structure with a thin upper part and a thick lower part or in a cylinder with uniform thickness upper part and lower part, and are detachably connected with the positioning holes 511 and are matched in size, so that a tester can randomly arrange the positions of the positioning parts according to requirements, insert the positioning parts 511 into the positioning holes 511 and partially protrude the upper surface of the bearing table 50, and further play a role in fixing the position of the backlight module to be tested. The utility model provides a backlight unit tool of lighting a lamp can be applicable to backlight unit test work of unidimensional and signal input through simple regulation to very big improvement efficiency of software testing, reduction tool development cost.

The power supply assembly 20 may also provide power to the conductive assembly 30 in the form of an internal integrated power source. Further, the power supply assembly 20 further includes, for example, an information interaction screen, a current adjustment knob, a positive/negative electrode switching button, a power switch, and an operation status indicator lamp. The information interaction screen can display, for example, circuit and voltage information at the output end of the power supply component 20; the current adjusting knob is arranged outside the current adjusting part and is marked with a specific gear size, so that a tester can adjust the size of the output current in real time; the positive and negative pole switching key can switch the positive and negative poles of the output voltage according to the test requirement of the backlight module; the power switch may be used to connect or disconnect the power supply assembly 20 to its internal/external power source; an operation indicator light may be used to display the operating status of the power supply assembly 20. The utility model discloses do not limit to the specific structure of this power supply unit 20's current adjustment part at it, technical personnel in the field can set up circuit structure according to actual demand to adjust with the control current power strength through the size to the access resistance value in this circuit structure.

The sliding assembly 40 includes, for example, a first sliding rail 41 and a second sliding rail 42 fixedly disposed on the base plate 10, the first sliding rail 41 is located in a first direction and slidably connected to the conductive assembly 30, the second sliding rail 42 is located in a second direction and slidably connected to the supporting platform 50, and the first direction and the second direction are perpendicular to each other. Specifically, during the actual test, the first direction is, for example, a direction parallel to the tester, and the second direction is, for example, a direction perpendicular to the tester. The utility model discloses do not do the restriction to the figure that this first sliding guide 41 and second sliding guide 42 set up, specifically can be according to the conductive component 30 and the plummer 50 adaptability setting rather than the adaptation.

Fig. 4 is a partial enlarged view of a portion a in fig. 2, and referring to fig. 1 to 4, a signal input end of the conductive assembly 30 is connected to the power supply assembly 20 through a wire 70, and a signal output end is a conductive clip 31 provided with a conductive terminal 312. The conductive clip 31 includes two aligning clamp plates 311, a plurality of conductive terminals 312 are disposed on a clamping side of each aligning clamp plate 311, and the plurality of conductive terminals 312 on the two aligning clamp plates 311 are correspondingly disposed. Specifically, the alignment clamp 311 is, for example, rectangular, and a plurality of conductive terminals 312 are respectively disposed on three side edges of the clamping side of each alignment clamp 311, and a connecting part of the conductive wire 70 are disposed on the other side edge, so that the two alignment clamps 311 are movably connected and input an electrical signal. The electric signal output end of the conductive clip 31 adopts a double-sided port and three-direction design, so that the lighting test jig of the backlight module can meet the requirements of flexible circuit boards with different specifications, and is more convenient to be connected with the test terminal of the flexible circuit board of the backlight module. Further, the conductive assembly 30 further includes a sliding rod 32, for example, the sliding rod 32 is vertically disposed on the first sliding rail 41 and movably engaged with the first sliding rail 41. One end of the conductive clip 31 provided with a connecting piece is sleeved on the sliding rod 32 and fixed by a fastening device 33, when the fastening device 33 is opened, the conductive clip 31 can move up and down along the direction of the sliding rod 32, so that the position of the conductive clip 31 relative to the bearing table 50 can be adjusted.

Further, the sliding assembly 40 further comprises a first locking device 43, wherein the first locking device 43 is used for locking the position of the conductive assembly 30 when the testing personnel slides the conductive assembly 30 and the bearing platform 50 to a predetermined position on the first sliding rail 41 and the second sliding rail 42. Specifically, the first locking device 43 is a limiting member disposed on the first sliding rail 41 and the second sliding rail 42, and the limiting member is movably connected to the first sliding rail 41 and the second sliding rail 42 respectively. Of course, the present invention is not limited to the setting manner of the limiting element, and for example, the limiting element may be matched with the limiting element to complete the limiting by the manner of setting the positioning holes on the first sliding guide rail 41 and the second sliding guide rail 42.

The carrier 50 includes, for example, a carrier 52 and a carrier plate 51 disposed on the carrier 52. The carrier plate 51 is provided with a plurality of positioning holes 511, and the positioning holes 511 can be through holes or concave holes with a depth smaller than the height of the positioning element 60. The number of the carrier 52 can be two or more, and correspondingly, two or corresponding numbers of the second sliding guide rails 42 are also provided, one end of the carrier 52 is fixedly connected with the carrier plate 51, and the other end is movably connected with the second sliding guide rails 42 in a clamping manner, so that the stability of the carrier table 50 on the sliding guide rails can be improved.

Further, the bearing table 50 further includes a second locking device 53, the second locking device 53 includes a threaded sleeve and a screw rod in threaded connection with the threaded sleeve, the threaded sleeve includes a first threaded sleeve fixedly disposed on the bottom plate 10 and a second threaded sleeve fixedly disposed on the body of the bearing table 50, and the screw rod passes through the first threaded sleeve and the second threaded sleeve and is parallel to the second direction. Compared with the first locking device 43, the second locking device 53 has higher locking precision and stability, so that the accuracy of the test result in the backlight module lighting test process can be further improved.

Can see by above-mentioned embodiment, the utility model provides a backlight unit tool of lighting a lamp can adapt to the backlight unit of different models, size, greatly reduced the cost of preparation test fixture, improved detection fixture's utilization ratio.

It should be understood that the drawings attached to the present specification are only used for matching the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the limit conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change or size adjustment should still fall within the scope of the technical contents disclosed in the present invention without affecting the function and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Claims

1. The utility model provides a backlight unit tool of lighting a lamp for backlight unit's test, its characterized in that includes: the power supply assembly and the sliding assembly are arranged on the bottom plate, and the conductive assembly and the bearing table are respectively connected with the bottom plate in a sliding manner through the sliding assembly;

the power supply assembly comprises a current adjusting component, the input end and the output end of the current adjusting component are respectively electrically connected with a power supply and the conductive component, a plurality of positioning holes which are arranged in an array mode are formed in the bearing table, and part of the positioning holes are inserted with the positioning pieces which are inserted into the positioning holes and protrude out of the bearing table and deviate from the plane of the base plate.

2. The backlight module lighting fixture according to claim 1, wherein the conductive assembly comprises a sliding rod, a conductive clip sleeved on the sliding rod, and a fastening device for controlling the position of the conductive clip on the sliding rod, and the sliding rod is perpendicular to the plane of the bottom plate.

3. The backlight module lighting fixture according to claim 2, wherein the conductive clip comprises two positioning clips, and a plurality of conductive terminals are respectively disposed on clamping sides of the two positioning clips.

4. The backlight module lighting fixture of claim 1, wherein the supporting platform comprises a supporting plate and a supporting frame, one end of the supporting frame is fixedly connected with the supporting plate, and the other end of the supporting frame is slidably connected with the sliding assembly.

5. The backlight module lighting fixture according to claim 1, wherein the sliding assembly includes a first sliding rail located in a first direction and a second sliding rail located in a second direction, the first direction and the second direction are perpendicular to each other, and the conductive assembly and the plummer are respectively connected to the first sliding rail and the second sliding rail in a snap-fit manner.

6. The backlight module lighting fixture according to claim 5, wherein the sliding assembly further comprises a first locking device for fixing the positions of the conductive assembly and the plummer with respect to the first sliding guide and the second sliding guide.

7. The backlight module lighting fixture according to claim 6, wherein the first locking device is a limiting member disposed on the first sliding guide rail and the second sliding guide rail, and the limiting member is rotatably connected to the first sliding guide rail and the second sliding guide rail respectively.

8. The backlight module lighting fixture according to claim 5, wherein the platform further comprises a second locking device, and the second locking device is used for fixing the position of the platform relative to the second sliding guide.

9. The backlight module lighting fixture according to claim 8, wherein the second locking device includes a screw sleeve and a screw rod in threaded connection with the screw sleeve, the screw sleeve includes a first screw sleeve fixedly disposed on the bottom plate and a second screw sleeve fixedly disposed on the plummer body, and the screw rod passes through the first screw sleeve and the second screw sleeve and is parallel to the second direction.

10. The backlight module lighting fixture according to claim 3, wherein the plurality of conductive terminals on each of the positioning plates includes a first conductive terminal group, a second conductive terminal group and a third conductive terminal group, and the first conductive terminal group, the second conductive terminal group and the third conductive terminal group are respectively disposed on three different lateral edges of the clamping side of the positioning plate.