CN203365111U - Test fixture of backlight module - Google Patents

Test fixture of backlight module Download PDF

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Publication number
CN203365111U
CN203365111U CN 201320490760 CN201320490760U CN203365111U CN 203365111 U CN203365111 U CN 203365111U CN 201320490760 CN201320490760 CN 201320490760 CN 201320490760 U CN201320490760 U CN 201320490760U CN 203365111 U CN203365111 U CN 203365111U
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CN
China
Prior art keywords
bar shaped
plate
backlight module
base
measurement jig
Prior art date
Application number
CN 201320490760
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Chinese (zh)
Inventor
种乔威
Original Assignee
京东方科技集团股份有限公司
北京京东方茶谷电子有限公司
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Priority to CN 201320490760 priority Critical patent/CN203365111U/en
Application granted granted Critical
Publication of CN203365111U publication Critical patent/CN203365111U/en

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Abstract

The utility model discloses a test fixture of backlight modules. The test fixture comprises a base, and a plurality of strip-shaped side plates arranged on the surface of the base, wherein at least one strip-shaped side plate among the plurality of strip-shaped side plates is detachably mounted on the base, and a test chamber is surrounded by the plurality of strip-shaped side plates on the surface of the base. The plurality of strip-shaped side plates are matched with the base to form the test chamber, a light source, a reflective sheet, a light guide plate, optical film materials and the like which can form a backlight module are arranged in the test chamber, and an optical test is carried out on the formed backlight module; further, the least one strip-shaped side plate in the test fixture of backlight modules is detachably mounted on the base, the specification of the test chamber can be changed by adjusting the mounting position of the strip-shaped side plate on the base, so as to adapt to the assembly of backlight modules in different sizes of liquid crystal displays with different specifications, thereby bringing convenience for carrying out optical tests on the backlight modules. Therefore, the test fixture of backlight modules can improve the development efficiency of the backlight modules.

Description

A kind of measurement jig of backlight module

Technical field

The utility model relates to the display technology field, particularly a kind of measurement jig of backlight module.

Background technology

There is briliancy preferably in order to ensure liquid crystal display, to its vitals backlight module exploitation the time, must test the optical property of backlight module, thereby determine relative position and the angle of backlight module and light source, in order to make from briliancy, angle and the uniformity coefficient of backlight module ejaculation light all good.

In prior art, before backlight module is carried out to optic test, usually after completing, the complete backlight module mould that needs to make manual complete backlight module sample or wait for formal material just can carry out the optics development& testing, that is to say, need to make the housing of backlight module, in order to the light source in backlight module and light guide plate etc. are assembled, can strengthen like this production cycle of backlight module, reduce development efficiency.

The utility model content

The utility model provides a kind of measurement jig of backlight module, can improve the development efficiency of backlight module.

For achieving the above object, the utility model provides following technical scheme:

The utility model provides a kind of measurement jig of backlight module, comprise: base, be arranged at a plurality of bar shaped side plates of described susceptor surface, in a plurality of described bar shaped side plates, at least one bar shaped side plate is removably installed in described base, and a plurality of described bar shaped side plate surrounds a test cabinet on described susceptor surface.

In the measurement jig of the backlight module that the utility model provides, a plurality of bar shaped side plates coordinate a test cabinet of formation with described susceptor surface, the light source, reflector plate, light guide plate, optical film material etc. that can form backlight module are arranged in test cabinet, then the backlight module formed are carried out to optic test and get final product; And, at least one bar shaped side plate in the measurement jig of above-mentioned backlight module is removably mounted on base, can change by regulating the installation site of this bar shaped side plate on base the specification of test cabinet, with the assembling of the backlight module of the different size that adapts to the different size liquid crystal display, convenient backlight module is carried out to optic test.

The measurement jig of the backlight module that the utility model provides can adapt to the assembling of backlight module of different size of the liquid crystal display of plurality of specifications, and not needing separately is the manufacturing backlight module housing of every kind of size; And use the detection tool of said structure conveniently to be assembled backlight module.

Therefore, the measurement jig of the backlight module that the utility model provides, can improve the development efficiency of backlight module.

In some optional embodiments, described bar shaped side plate is four, and in four described bar shaped side plates, adjacent two bar shaped side plates are detachable the installation.Can regulate the size of whole test cabinet like this, with the Integration Assembly And Checkout of the backlight module that meets different size.

In some optional embodiments, the inwall of four described bar shaped side plates surrounds the test cabinet that an xsect is rectangle.Because light guide plate in backlight module etc. is generally rectangle, so the test rectangle chamber is convenient to backlight module is carried out to optic test.

In some optional embodiments, the measurement jig of above-mentioned backlight module also comprises: upper frame, the periphery described bar shaped side plate of pressing top, the outer of described upper frame, interiorly along periphery, push down backlight module to be measured edge.When the optical property of the test of the measurement jig with this backlight module backlight module, after light guide plate is put into to test cabinet, the easy perk of the periphery of light guide plate, carry out the surrounding of pressing light guide plate by upper frame is set, can improve the stability of the measurement jig integrated testability of backlight module.

In some optional embodiments, each described bar shaped side plate is installed on described base by screw.

In some optional embodiments, the periphery described bar shaped side plate of pressing top, described upper frame outer specifically comprises: each described screw is provided with and can, around the fixture block of its axis rotation, connects by described fixture block between each described bar shaped side plate and described upper frame.Can realize spacing to upper frame by the rotation fixture block, this limit method is more convenient.

In some optional embodiments, each described bar shaped side plate is connected by fixation adhesive tape with described base.

In some optional embodiments, the periphery described bar shaped side plate of pressing top, described upper frame outer specifically comprises: pass through at least one pair of bayonet socket and buckle engagement connection between each described bar shaped side plate and upper frame.

In some optional embodiments, described base is plastic feet, and four described bar shaped side plates are plastics bar shaped side plate.

The accompanying drawing explanation

Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a part of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:

The measurement jig structural representation of the backlight module that Fig. 1 provides for the utility model;

Structural representation after the bar shaped side plate is set on the base of the measurement jig of the backlight module that Fig. 2 provides for the utility model;

The measurement jig of the backlight module that Fig. 3 provides for the utility model is installed the structural representation of reflector plate and light source;

The measurement jig of the backlight module that Fig. 4 provides for the utility model is installed the structural representation after light guide plate and blast sheet;

The measurement jig of the backlight module that Fig. 5 provides for the utility model is installed the structural representation after framework.

In figure:

1. 11. 21. first 22. second the 3rd the 4th 3. 4. 5. 61. 62. end of lateral reflection sheet of upper frame of screw of fixture block of bar shaped side plate of bar shaped side plate 24. of bar shaped side plate 23. of bar shaped side plate of test cabinet of base reflector plate 63. light source 64. light guide plate

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.

As shown in Figure 1, the measurement jig structural representation of the backlight module that Fig. 1 provides for the utility model, the measurement jig of the backlight module that the utility model provides comprises: base 1, be arranged at a plurality of bar shaped side plates on base 1 surface, in a plurality of bar shaped side plates, at least one bar shaped side plate is removably installed in base 1, and a plurality of bar shaped side plate surrounds a test cabinet on base 1 surface.

A plurality of bar shaped side plates in the measurement jig of the backlight module that the utility model provides and base 1 surface engagement form a test cabinet, in use procedure, light source, reflector plate, light guide plate, optical film material that can form backlight module etc. can be arranged in test cabinet, then the backlight module of the formation such as above-mentioned light source, reflector plate, light guide plate, optical film material be carried out to optic test and get final product; And, at least one bar shaped side plate in the measurement jig of above-mentioned backlight module is removably mounted on base 1, can change by regulating the installation site of this bar shaped side plate on base 1 specification of test cabinet, with the assembling of the backlight module of the different size that adapts to the different size liquid crystal display, convenient backlight module is carried out to optic test.

The measurement jig of the backlight module that the utility model provides can adapt to the assembling of backlight module of different size of the liquid crystal display of plurality of specifications, and not needing separately is the manufacturing backlight module housing of every kind of size; And use the detection tool of said structure conveniently to be assembled backlight module.

Therefore, the measurement jig of the backlight module that the utility model provides, can improve the development efficiency of backlight module.

In a plurality of bar shaped side plates of mentioning in above-mentioned embodiment, at least one bar shaped side plate is removably installed in base 1, and the bar shaped side plate shown in Fig. 2 of take is the explanation of example specific explanations as four:

As shown in Figure 2, in above-mentioned four bar shaped side plates, the 3rd bar shaped side plate 23 is removably installed in base 1; Perhaps

The 4th bar shaped side plate 24 detachably is installed on base 1; Perhaps

The 3rd bar shaped side plate 23 and the 4th bar shaped side plate 24 detachably are installed on base 1; Perhaps

The second bar shaped side plate 22, the 3rd bar shaped side plate 23 and the 4th bar shaped side plate 24 are removably installed in base 1; Perhaps

The first bar shaped side plate 21, the second bar shaped side plate 22, the 3rd bar shaped side plate 23 and the 4th bar shaped side plate 24 all are removably installed in base 1.

When the 3rd bar shaped side plate 23 is removably installed in base 1, can regulate the spacing between the 3rd bar shaped side plate 23 and the first bar shaped side plate 21 by regulating the 3rd installation site of bar shaped side plate 23 on base 1, and then regulate the size that test cabinet 11 points on the first bar shaped side plate 21 directions at the 3rd bar shaped side plate 23, when the 4th bar shaped side plate 24 is removably installed in base 1, can regulate the spacing between the 4th bar shaped side plate 24 and the second bar shaped side plate 22 by regulating the 4th installation site of bar shaped side plate 24 on base 1, and then can regulate the size that test cabinet 11 points on the 4th bar shaped side plate 24 directions at the second bar shaped side plate 22, when the 3rd bar shaped side plate 23 and the 4th bar shaped side plate 24 are removably installed in base 1, perhaps when the second bar shaped side plate 22, the 3rd bar shaped side plate 23 and the 4th bar shaped side plate 24 are removably installed in base 1, perhaps the first bar shaped side plate 21, the second bar shaped side plate 22, when the 3rd bar shaped side plate 23 and the 4th bar shaped side plate 24 all are removably installed in base 1, can regulate the size that test cabinet 11 points to the size on the 4th bar shaped side plate 24 directions and points on the first bar shaped side plate 21 directions at the 3rd bar shaped side plate 23 at the second bar shaped side plate 22, make the measurement jig of backlight module to be assembled the backlight module of any size.

In present embodiment, preferably, in four bar shaped side plates, adjacent two bar shaped side plates are detachable the installation.As shown in Figure 2, that is to say that the 3rd bar shaped side plate 23 and the 4th bar shaped side plate 24 are removably installed in base 1.

Further, the inwall of four bar shaped side plates surrounds the test cabinet 11 that an xsect is rectangle.Because light guide plate in backlight module etc. is generally rectangle, so the test rectangle chamber is convenient to backlight module is carried out to optic test.Certainly, the shape of test cabinet 11 is not limited to rectangle.

Further, as shown in Figure 1, the measurement jig of above-mentioned backlight module also comprises: upper frame 5, periphery pressing bar shaped side plate top, the outer of upper frame 5, interiorly along periphery, push down backlight module to be measured edge.When the optical property of the test of the measurement jig with this backlight module backlight module, after light guide plate is put into to test cabinet 11, the easy perk of the periphery of light guide plate, carry out the surrounding of pressing light guide plate by upper frame 5 is set, can improve the stability of the measurement jig integrated testability of backlight module.

In a kind of concrete embodiment, as shown in Figure 1, each bar shaped side plate is installed on base 1 by screw 4, and each screw 4 is provided with and can, around the fixture block 3 of its axis rotation, connects by fixture block 3 between each bar shaped side plate and upper frame 5.

Please refer to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, wherein: the structural representation after the bar shaped side plate is set on the base of the measurement jig of the backlight module that Fig. 2 provides for the utility model; The measurement jig of the backlight module that Fig. 3 provides for the utility model is installed the structural representation of reflector plate and light source; The measurement jig of the backlight module that Fig. 4 provides for the utility model is installed the structural representation after light guide plate and blast sheet; The measurement jig of the backlight module that Fig. 5 provides for the utility model is installed the structural representation after framework.The measurement jig of the backlight module of said structure in use, for the measurement jig that makes this backlight module when the backlight module of test different size, the number of mobile bar shaped side plate is few, preferably, take position shown in Fig. 2 as example, the first bar shaped side plate 21 use are fixed on to the right side edge position of base 1 through the screw 4 of fixture block 3, the second bar shaped side plate 22 use are fixed on to the bottom edge position of base 1 through the screw 4 of fixture block 3, according to backlight module dimensions to be measured, the 3rd bar shaped side plate 23 and the 4th bar shaped side plate 24 are used the same method and be fixed on base 1 again, make the first bar shaped side plate 21, the second bar shaped side plate 22, the 3rd bar shaped side plate 23, the 4th bar shaped side plate 24 and base 1 form a test cabinet 11, as shown in Figure 2, the first bar shaped side plate 21, the length of the second bar shaped side plate 22 and the 4th bar shaped side plate 24 is longer, the length of the 3rd bar shaped side plate 23 can be according to the size Selection length of backlight module to be measured, so that the backlight module that makes the measurement jig of this backlight module can be used for assembling different size carries out optical performance test.

After the measurement jig of backlight module has been assembled, lateral reflection sheet 61 is attached on the surrounding inwall of test cabinet 11, to increase the reflectivity of test cabinet surrounding inwall, light source 63 and end reflector plate 62 is placed in to test cabinet 11, as shown in Figure 3; Again light guide plate 64 and blast sheet are placed in to test cabinet 11, are positioned on end reflector plate 62, as shown in Figure 4; Finally with upper frame 5 pressings, live the edge of light guide plate 64, rotation fixture block 3, make fixture block 3 push down the outer periphery of upper frame 5, realization is spacing to light guide plate 64 above-below directions (namely illustrated vertical paper direction), to guarantee the measurement jig one-piece construction stability of backlight module, as shown in Figure 5.

Certainly, above-mentioned upper frame 5 and four bar shaped side plates can be by bayonet socket and buckle engagement connections.Alternatively, bayonet socket is arranged on upper frame, and buckle is arranged on four bar shaped side plates, or bayonet socket is arranged on four bar shaped side plates, and buckle is arranged on upper frame.

In another kind of embodiment, each bar shaped side plate is connected by fixation adhesive tape with base 1, and above-mentioned upper frame and four bar shaped side plates are by bayonet socket and buckle engagement connection.Alternatively, bayonet socket is arranged on upper frame, and buckle is arranged on four bar shaped side plates, or bayonet socket is arranged on four bar shaped side plates, and buckle is arranged on upper frame.

The measurement jig of the backlight module of said structure in use, the first bar shaped side plate is sticked on base with fixation adhesive tape, even more preferably stick to the right side edge position of base, the second bar shaped side plate is sticked on base with fixation adhesive tape, even more preferably stick to the bottom edge position of base, according to backlight module dimensions to be measured, the 3rd bar shaped side plate and the 4th bar shaped side plate are used the same method and be fixed on base again, make the first bar shaped side plate, the second bar shaped side plate, the 3rd bar shaped side plate, the 4th bar shaped side plate and base form a test cabinet, the first bar shaped side plate, the length of the second bar shaped side plate and the 4th bar shaped side plate is longer, the length of the 3rd bar shaped side plate can be according to the change in size of backlight module to be measured, so that the backlight module that makes the measurement jig of this backlight module can be used for assembling different size carries out optical performance test.

After the measurement jig of backlight module has been assembled, the lateral reflection sheet is attached on the surrounding inwall of test cabinet, to increase the reflectivity of test cabinet surrounding inwall, light source and end reflector plate is placed in to test cabinet; Again light guide plate and blast sheet are placed in to test cabinet, are positioned on end reflector plate; Finally with the upper frame pressing, live the edge of light guide plate, by the bayonet socket between upper frame and four bar shaped side plates and the engaging of buckle, make upper frame compress the edge of light guide plate, realization is spacing to the light guide plate above-below direction, to guarantee the measurement jig one-piece construction stability of backlight module.

Certainly, upper frame also can stick on four bar shaped side plates by fixation adhesive tape, realizes spacing to the light guide plate above-below direction.

In above-mentioned several embodiment, preferably, base is plastic feet, and four bar shaped side plates are plastics bar shaped side plate.The price comparison of plastics is cheap, can reduce the manufacturing cost of the measurement jig of backlight module; And the density less of plastics, can make the measurement jig of backlight module lighter.Certainly, the material for preparing of base and four bar shaped side plates can be also other material, as: elastomeric materials etc. just repeat here no longer one by one.

Obviously, those skilled in the art can carry out various changes and modification and not break away from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model also is intended to comprise these changes and modification interior.

Claims (9)

1. the measurement jig of a backlight module, it is characterized in that, comprise: base, be arranged at a plurality of bar shaped side plates of described susceptor surface, in a plurality of described bar shaped side plates, at least one bar shaped side plate is removably installed in described base, and a plurality of described bar shaped side plate surrounds a test cabinet on described susceptor surface.
2. the measurement jig of backlight module according to claim 1, is characterized in that, described bar shaped side plate is four, and in four described bar shaped side plates, adjacent two bar shaped side plates are detachable the installation.
3. the measurement jig of backlight module according to claim 2, is characterized in that, the inwall of four described bar shaped side plates surrounds the test cabinet that an xsect is rectangle.
4. the measurement jig of backlight module according to claim 3, is characterized in that, also comprises: upper frame, the periphery described bar shaped side plate of pressing top, the outer of described upper frame, interiorly along periphery, push down backlight module to be measured edge.
5. the measurement jig of backlight module according to claim 4, is characterized in that, each described bar shaped side plate is installed on described base by screw.
6. the measurement jig of backlight module according to claim 5, it is characterized in that, the periphery described bar shaped side plate of pressing top, described upper frame outer specifically comprises: each described screw is provided with and can, around the fixture block of its axis rotation, connects by described fixture block between each described bar shaped side plate and described upper frame.
7. the measurement jig of backlight module according to claim 4, is characterized in that, each described bar shaped side plate is connected by fixation adhesive tape with described base.
8. the measurement jig of backlight module according to claim 4, it is characterized in that, the periphery described bar shaped side plate of pressing top, described upper frame outer specifically comprises: pass through at least one pair of bayonet socket and buckle engagement connection between each described bar shaped side plate and upper frame.
9. according to the measurement jig of the described backlight module of claim 1~8 any one, it is characterized in that, described base is plastic feet, and described bar shaped side plate is plastics bar shaped side plate.
CN 201320490760 2013-08-12 2013-08-12 Test fixture of backlight module CN203365111U (en)

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CN 201320490760 CN203365111U (en) 2013-08-12 2013-08-12 Test fixture of backlight module

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103676248A (en) * 2013-12-31 2014-03-26 京东方科技集团股份有限公司 Backlight module material reliability test fixture
CN103672626A (en) * 2013-12-31 2014-03-26 京东方科技集团股份有限公司 Debugging device for backlight module
CN107677680A (en) * 2017-09-30 2018-02-09 京东方科技集团股份有限公司 A kind of guide-lighting board checking device and inspection method
CN108267300A (en) * 2018-01-02 2018-07-10 歌尔股份有限公司 A kind of test fixture of optics module and the test method of helmet
CN109746718A (en) * 2019-03-12 2019-05-14 Oppo广东移动通信有限公司 It is a kind of for fixing the processing jig of device to be processed

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103676248A (en) * 2013-12-31 2014-03-26 京东方科技集团股份有限公司 Backlight module material reliability test fixture
CN103672626A (en) * 2013-12-31 2014-03-26 京东方科技集团股份有限公司 Debugging device for backlight module
WO2015101052A1 (en) * 2013-12-31 2015-07-09 京东方科技集团股份有限公司 Backlight module test fixture, backlight module state simulation method and reliability test device
CN103672626B (en) * 2013-12-31 2015-11-25 京东方科技集团股份有限公司 A kind of backlight module debugging apparatus
CN103676248B (en) * 2013-12-31 2017-02-15 京东方科技集团股份有限公司 Backlight module material reliability test fixture
CN107677680A (en) * 2017-09-30 2018-02-09 京东方科技集团股份有限公司 A kind of guide-lighting board checking device and inspection method
CN107677680B (en) * 2017-09-30 2020-04-14 京东方科技集团股份有限公司 Light guide plate inspection device and inspection method
CN108267300A (en) * 2018-01-02 2018-07-10 歌尔股份有限公司 A kind of test fixture of optics module and the test method of helmet
CN108267300B (en) * 2018-01-02 2020-08-25 歌尔股份有限公司 Test tool for optical module and test method for head-mounted equipment
CN109746718A (en) * 2019-03-12 2019-05-14 Oppo广东移动通信有限公司 It is a kind of for fixing the processing jig of device to be processed
CN109746718B (en) * 2019-03-12 2020-05-08 Oppo广东移动通信有限公司 Processing jig for fixing to-be-processed device

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