CN107731142A - A kind of component for lighting test - Google Patents

Abstract

The invention discloses a component for lighting testing, relates to the technical field of lighting testing, and is invented to solve the problems of low detection efficiency and cumbersome operation of backlight sources in the prior art. The present invention is an assembly for lighting test, comprising a mounting table, at least one backlight lighting fixture is arranged on the mounting table, and the backlight lighting fixture is used to fix the product to be tested including the backlight. The backlight lighting fixture is connected to the installation table through a connection assembly, and the connection assembly is used to make the backlight lighting fixture move and/or rotate relative to the installation table.

Description

A component for lighting test

technical field

The invention relates to the technical field of lighting test, in particular to a component for lighting test.

Background technique

At present, display modules are more and more widely used in various electronic products such as mobile phones and computers. In order to ensure the display quality of the display module, if the backlight has a uniform backlight, after the backlight is manufactured, it is usually necessary to detect the optical parameters of the backlight on the backlight lighting fixture to confirm the luminous quality of the backlight.

When measuring the optical parameters of the backlight, it is necessary to manually move the lighting fixture of the backlight to align the backlight with the measuring instrument, such as aligning the edge of the backlight with the software middle frame of the display screen of the two-dimensional color brightness meter CA2000 . Because the manual movement of the backlight lighting fixture has a large degree of freedom, it is difficult to align the backlight and the measuring instrument, so that the alignment operation of the backlight and the measuring instrument takes a long time, the detection efficiency is low, and the alignment operation is troublesome.

Contents of the invention

The embodiment of the present invention provides a component for lighting test, which can solve the problems of low detection efficiency and cumbersome operation of the backlight source in the prior art.

In order to achieve the above object, embodiments of the present invention adopt the following technical solutions:

A component for lighting test, comprising a mounting table, on which at least one backlight lighting fixture is arranged, and the backlight lighting fixture is used to fix a product to be tested including a backlight, and the backlight The lighting fixture is connected to the installation table through a connection assembly, and the connection assembly is used to make the backlight lighting fixture move and/or rotate relative to the installation table.

Further, the backlight lighting fixture includes a fixture panel, the connection assembly includes at least one slide rail arranged on the installation platform, and a slider arranged under the fixture panel, and the slider Slidingly connected with the slide rail.

Further, the connection assembly also includes a rotating shaft arranged on the upper surface of the slider and a slot arranged on the lower surface of the jig panel to cooperate with the rotating shaft; or arranged on the jig panel The rotating shaft on the lower surface and the locking groove arranged on the upper surface of the slider and matched with the rotating shaft.

Further, the installation platform is used for rotatable connection with the test platform, there are multiple lighting fixtures for the backlight on the installation platform, and there are multiple slide rails.

Further, the backlight lighting fixture further includes a locking device, and the locking device can fix the slider on the slide rail.

Further, a matching hole is opened on the surface of the slider opposite to the side wall of the slide rail, and the locking device includes a driving shaft and a locking rod passing through the matching hole. One end is located in the slider and is fixedly connected with a gear, and one end of the locking rod is provided with a rack that cooperates with the gear, and the driving shaft can drive the locking rod to pass through the matching hole, so that the locking rod abuts against the side wall of the slide rail.

Further, the jig panel includes a base plate, and a first positioning piece and a second positioning piece opposite to each other are arranged on the base plate, and the first positioning piece and the second positioning piece are used to fix the For the product to be tested, the first positioning member is connected with a driving assembly, and the driving assembly can drive the first positioning member to move toward or away from the second positioning member.

Further, the first positioning member and the second positioning member are positioning blocks, the base plate is provided with a mounting seat, and a matching hole is opened on the mounting seat, and the driving assembly includes a driving screw and a spring, The tail end of the driving screw can move through the matching hole and is fixedly connected with the first positioning member, and the two ends of the spring are respectively connected with the first positioning member and the mounting seat.

Further, the substrate is provided with a conductive sheet assembly and a guide rail, the conductive sheet assembly is slidably connected to the guide rail, and the conductive sheet assembly is used for electrical connection with the backlight source in the product to be tested.

Further, a current measuring device is provided on the installation platform, and the current measuring device is used to measure the input current of the product to be tested.

The assembly for lighting test provided by the embodiment of the present invention includes a mounting table, on which a backlight lighting fixture is arranged, and the backlight lighting fixture is connected to the mounting table through a connecting component. When detecting the product to be tested, first fix the product to be tested that includes the backlight on the backlight lighting fixture, and then move and/or rotate the backlight lighting fixture through the connecting component, such as first moving the product to be tested through the connecting component Simply align to the display screen of the measuring instrument, and then rotate the product to be tested through the connecting component to precisely adjust the angle of the product to be tested, so as to align the product to be tested with the middle frame of the software of the measuring instrument. The above-mentioned alignment operation is convenient , the time to adjust the product to be tested is shorter, and the inspection efficiency is higher.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 is a schematic structural diagram of an assembly used for a lighting test according to an embodiment of the present invention;

Fig. 2 is a schematic structural view of the installation platform in the assembly used for the lighting test according to the embodiment of the present invention;

Fig. 3 is one of the structural schematic diagrams of the backlight lighting fixture in the assembly used for the lighting test according to the embodiment of the present invention;

Fig. 4 is the second structural schematic diagram of the backlight lighting fixture in the assembly used for the lighting test according to the embodiment of the present invention;

FIG. 5 is the third schematic structural view of the backlight lighting fixture in the assembly used for the lighting test according to the embodiment of the present invention.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In describing the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying References to devices or elements must have a particular orientation, be constructed, and operate in a particular orientation and therefore should not be construed as limiting the invention.

The backlight lighting fixture of the embodiment of the present invention can be used for backlight or LCM (Liquid Crystal Display Module, liquid crystal display module) detection (such as the selection of color blocks), the following products to be tested can be only backlight, also can be It is a display module including a backlight source. The display module includes a backlight and FOG (film on glass, FPC mounted on the glass panel, FPC is the abbreviation of Flexible Printed Circuit, flexible circuit board), when the display module is completed, the backlight needs to be lit for testing Various optical parameters of the backlight source to ensure that the luminous quality of the backlight source meets the requirements.

Referring to Figures 1 to 4, the assembly used for the lighting test according to the embodiment of the present invention includes a mounting table 1, on which at least one backlight lighting fixture 2 is arranged, and the backlight lighting fixture 2 is used to fix and contain the backlight For the product 100 to be tested, the backlight lighting fixture 2 is connected to the installation table 1 through the connection assembly 3, and the connection assembly 3 is used to make the backlight lighting fixture 2 move and/or rotate relative to the installation table 1.

The assembly for lighting test provided by the embodiment of the present invention includes a mounting table 1 on which a backlight lighting fixture 2 is arranged, and the backlight lighting fixture 2 is connected to the mounting table 1 through a connection assembly 3 . When detecting the product 100 to be tested, the product 100 to be tested that includes the backlight is first fixed on the backlight lighting fixture 2, and then the backlight lighting fixture 2 is moved and/or rotated through the connection assembly 3, such as first through the connection assembly 3 Move the product 100 to be tested to the display screen of the measuring instrument for simple alignment, and then rotate the product 100 to be tested through the connecting component 3 to precisely adjust the angle of the product 100 to be tested, so that the product 100 to be tested and the software of the measuring instrument Middle frame alignment, the above-mentioned alignment operation is convenient, the time for adjusting the product to be tested is short, and the inspection efficiency is high.

The above-mentioned backlight lighting fixture 2 includes a fixture panel 21, and the above-mentioned connection assembly 3 includes at least one slide rail 31 arranged on the mounting table 1, and a slider 32 arranged below the fixture panel 21. The slider 32 and the slider The rail 31 is slidably connected, as shown in FIGS. 1-3 , so as to realize the slidably connected fixture panel 21 and the mounting table 1 . Push the backlight lighting fixture 2 along the slide rail 31 to adjust the position of the backlight lighting fixture 2, thereby changing the distance between the product 100 to be tested on the fixture panel 21 and the measuring instrument. The above-mentioned plurality of slide rails 31 can be cross-shaped slide rails, rice-shaped slide rails, etc., and the jig panel 21 can be detached from the installation table 1 along the slide rails 31 .

In addition, in the embodiment of the present invention, the jig panel 21 is rotatably connected to the slider 32 , so that the angle of the product 100 to be tested on the jig panel 21 can also be adjusted. On the basis of the above-mentioned embodiments, there are many kinds of rotatable connection structures between the jig panel 21 and the slider 32. For example, the connection assembly 3 includes a shaft on the upper surface of the slider, and a shaft on the lower surface of the jig panel. Cooperating draw-in slots; or a rotating shaft 33 is provided on the lower surface of the jig panel 21, and a draw-in slot 34 matched with the rotating shaft 33 is provided on the upper surface of the slider 32, as shown in FIG. 3 , the structure is simple. When using a measuring instrument to measure the optical parameters of the backlight, you can push the backlight lighting fixture 2 to adjust the distance between the product 100 to be tested and the measuring instrument, and rotate the fixture panel 21 so that the product 100 to be tested and the display screen of the measuring instrument Align the frame in the software, so as to measure the luminous quality of the backlight source, and the position and angle adjustment operation of the product 100 to be tested is relatively simple.

The above-mentioned installation platform 1 is used to be installed on the test platform, and is rotatably connected with the test platform. A plurality of slide rails 31 and a plurality of backlight lighting fixtures 2 are arranged on the fixture panel 21, and multiple backlight lighting fixtures 2 can be arranged. Tool 2 is installed on the slide rail 31 respectively. For example, in the actual production line, the products 100 to be tested can be fixed on multiple backlight lighting fixtures 2 one by one, and then the measurement is carried out. For example, after measuring a product to be tested, the rotating mounting table 1 or the moving backlight lighting fixture 2. It can switch to measure the next product to be tested, which has high efficiency and can realize streamlined operation. Wherein, the realization of the rotatable connection between the test platform and the installation platform may be the same as the rotatable connection structure between the jig panel 21 and the slider 32 , which will not be repeated here.

Preferably, in the embodiment of the present invention, the backlight lighting fixture 2 also includes a locking device, which can fix the slider 32 on the slide rail 31, so as to prevent the slider 32 from sliding when the mounting table 1 shakes or is hit. Misalignment occurs on the rail 31, and the position of the product 100 to be tested needs to be adjusted again.

The above-mentioned locking device on the fixture panel 21 can be an adjusting screw, and the adjusting screw is installed along the up and down direction. The upper surface leans against; referring to Figures 3 to 4, a matching hole can also be opened on the surface of the slider 32 opposite to the side wall of the slide rail 31, and the locking device includes a driving shaft 321 and a locking rod passing through the matching hole 322, one end of the driving rotating shaft 321 is located in the slide block 32, and is fixedly connected with a gear (not shown in the figure), and one end of the locking rod 322 is provided with a rack (not shown in the figure) that cooperates with the gear, and the driving rotating shaft 321 can drive the locking rod 322 to pass through the matching hole, so that the locking rod 322 abuts against the side wall of the sliding rail 31 , the positioning strength of the sliding block 32 is relatively high, and the surface of the mounting table 1 is not greatly affected.

In addition, the above-mentioned fixture panel 21 includes a base plate 211, the base plate 211 is used to carry the product 100 to be tested, a first positioning part 212 and a second positioning part 213 are arranged on the base plate 211, and the first positioning part 212 and the second positioning part 213 is set relative to each other, and is used to fix the product 100 to be tested between the two. Wherein, the first positioning member 212 is connected with a driving assembly 214 , and the driving assembly 214 can drive the first positioning member 212 to move toward or away from the second positioning member 213 . By adjusting the position of the first positioning member 212, display modules or backlights of various sizes can be fixed on the substrate 211, reducing the types of backlight lighting fixtures 2, thereby reducing the cost of making and storing the backlight lighting fixtures 2. cost, and avoid affecting the development cycle and work efficiency of the product 100 to be tested.

Optionally, the first positioning member 212 and the second positioning member 213 can both be positioning blocks, the driving assembly 214 includes an adjusting screw, the base plate is provided with a mounting seat, and a matching hole is opened on the mounting seat, and one end of the adjusting screw passes through the matching hole It is threadedly connected with the mounting seat, and the other end is fixedly connected with the first positioning part 212, and the first positioning part 212 is driven to move by rotating the adjusting screw, thereby changing the distance between the first positioning part 212 and the second positioning part 213; or the substrate 211 Mounting seat 217 is provided on the mounting seat 217, and a matching hole is provided on the mounting seat 217. The driving assembly 214 includes a driving screw 2141 and a spring 2142. Fixedly connected, the two ends of the spring 2142 are connected with the first positioning member 212 and the mounting seat 217 respectively, as shown in FIGS. 4-5 . The embodiment of the present invention adopts the latter solution, the first positioning member 212 and the product 100 to be tested can be clamped by spring force, and the adjustment is more convenient. In addition, the driving screw 2141 may not be provided with a screw thread, and the first positioning member 212 is made of elastic material, so as to prevent the first positioning member 212 from over-pressing the product 100 to be tested and causing damage to the product 100 to be tested.

Referring to FIG. 3 , in the embodiment of the present invention, a conductive sheet assembly 215 and a guide rail 216 are further provided on the substrate 211 , and the conductive sheet assembly 215 is slidably connected to the guide rail 216 . When testing different sizes of products 100 to be tested, the conductive sheet assembly 215 can be moved along the guide rail 216, and when it is moved to a suitable position, the conductive sheet assembly can be positioned by the locking member, so that the conductive sheet assembly 215 can be aligned with different sizes of the product to be tested. The backlight electrical connections in product 100 are tested. Specifically, the above-mentioned conductive sheet assembly 215 includes a switch, a circuit plug, and a pressing arm. After the product 100 to be tested is fixed, the pressing arm can be pressed down to conduct the circuit of the backlight.

Further, the installation platform 1 is provided with a current measuring device 4 for measuring the input current of the product 100 to be tested. After the conductive sheet assembly 215 is electrically connected to the product under test 100, the input current of the product under test 100 is measured by the current measuring device 4, such as a multimeter, and the output value of the appropriate current source is adjusted at the same time to light up the backlight. In addition, the current measuring device 4 can be fixedly installed on the installation platform 1 , as shown in FIG.

The above is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention. Should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

Claims (10)

1. a kind of component for lighting test, it is characterised in that including erecting bed, the erecting bed is provided with least one back of the body Light source ignition tool, the backlight lighting jig are used for be measured trial product of the fixed packet containing backlight, the backlight lighting Tool is connected with the erecting bed by connection component, and the connection component be used for make the backlight lighting jig relative to The erecting bed is mobile and/or rotates.

2. the component according to claim 1 for lighting test, it is characterised in that the backlight lighting jig includes Tool panel, the connection component includes the slide rail for being arranged on the erecting bed at least one, and is arranged at the tool Sliding block below panel, the sliding block are slidably connected with the slide rail.

3. the component according to claim 2 for lighting test, it is characterised in that the connection component also includes setting The upper surface of the sliding block rotating shaft and be arranged on the tool panel lower surface, with the rotating shaft coordinate neck；Or The rotating shaft for being arranged on the lower surface of the tool panel and the upper surface for being arranged on the sliding block, the card with rotating shaft cooperation Groove.

4. the component according to claim 2 for lighting test, it is characterised in that the erecting bed is used for and testboard It is rotatably connected, the backlight lighting jig on the erecting bed has multiple, and the slide rail has a plurality of.

5. the component according to claim 2 for lighting test, it is characterised in that the backlight lighting jig also wraps Locking device is included, the sliding block can be fixed on the slide rail by the locking device.

6. the component according to claim 5 for lighting test, it is characterised in that on the sliding block with the slide rail side The relative surface of wall offers mating holes, and the locking device includes drive shaft and the locking being arranged in the mating holes Bar, one end of the drive shaft is located in the sliding block, and is fixedly connected with gear, and one end of the check lock lever is provided with and institute State the rack of gear cooperation, the drive shaft can drive the check lock lever to pass the mating holes so that the check lock lever with The side wall of the slide rail against.

7. the component according to claim 2 for lighting test, it is characterised in that the tool panel includes substrate, The substrate is provided with the first keeper and the second keeper being oppositely arranged, first keeper and second keeper Between be used for fix the trial product to be measured, first keeper is connected with drive component, and the drive component can drive institute The first keeper is stated to move towards the direction closer or far from second keeper.

8. the component according to claim 7 for lighting test, it is characterised in that first keeper and described Two keepers are locating piece, and the substrate is provided with mounting seat, and mating holes, the drive component are offered in the mounting seat Including driving screw and spring, the tail end of the driving screw is removable to be arranged in the mating holes, and is determined with described first Position part is fixedly connected, and the both ends of the spring are connected with first keeper, the mounting seat respectively.

9. the component according to claim 7 for lighting test, it is characterised in that the substrate is provided with conductive sheet set Part and guide rail, the conducting strip component are slidably connected with the guide rail, and the conducting strip component is used for and the trial product to be measured In backlight electrical connection.

10. the component according to claim 1 for lighting test, it is characterised in that the erecting bed is provided with electric current Measurement apparatus, the current measuring device are used for the input current for measuring the trial product to be measured.