CN203084368U - Device for testing liquid crystal module backlights - Google Patents
Device for testing liquid crystal module backlights Download PDFInfo
- Publication number
- CN203084368U CN203084368U CN 201320080159 CN201320080159U CN203084368U CN 203084368 U CN203084368 U CN 203084368U CN 201320080159 CN201320080159 CN 201320080159 CN 201320080159 U CN201320080159 U CN 201320080159U CN 203084368 U CN203084368 U CN 203084368U
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- liquid crystal
- crystal module
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- cover plate
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Abstract
The utility model relates to a device for testing liquid crystal module backlights, which can conveniently and rapidly test optical parameters. According to the technical scheme, the device comprises a base plate (1) and a cover plate (2), wherein side walls (3) are arranged around the base plate (1); a hollow cavity is formed by the side walls (3), the base plate (1) and the cover plate (2); and the cover plate (2) is provided with a test point location (10). The device has the beneficial effects of being capable of rapidly and accurately carrying out the comparison test on the optical parameters of the backlights with different sizes, saving time and lowering costs, and being convenient to use and high in practicality. The device is suitable for a liquid crystal module.
Description
Technical field
The utility model relates to a kind of proving installation of liquid crystal module, especially relates to the optical parametric contrast test device in a kind of liquid crystal module group backlight source.
Background technology
In liquid crystal module exploitation, production and maintenance process, all need the LED-backlit source is tested, whether qualified to detect it, and then could carry out other corresponding work, for example, research and development department and quality management and control department need carry out the optical parametric test to the LED-backlit source that supplier provides.Method commonly used at present is that LED-backlit source sample sets is installed in the liquid crystal module, and whether optical parametrics such as the brightness of test liquid crystal module, chromaticity coordinates, colour temperature satisfy performance requirement to confirm the LED-backlit source.Yet the method need be finished the assembling of liquid crystal module, and efficient is low.If LED-backlit source sample is defective, also need supplier to make the sample sample presentation again and detect, cause waste of time.At present, the device of still useless optical parametric contrast test in the liquid crystal module group backlight source.
The utility model content
Technical problem to be solved in the utility model provides the proving installation in a kind of liquid crystal module group backlight source, this device can for the design and the tester test platform easily is provided, in time obtain the optical parametric contrast test result in liquid crystal module group backlight source, can improve the speed of Products Development progress and LED-backlit source sample quality check.
The technical scheme that its technical matters that solves the utility model adopts is: the proving installation in liquid crystal module group backlight source, comprise substrate and cover plate, have sidewall around the described substrate, sidewall and substrate and cover plate form the cavity of a hollow, and cover plate is provided with the test point position.
Concrete, the side wall upper part edge is provided with hook, and side edge thereof is provided with and links up with the pocket for the punch head of coupling.
Concrete, inside cavity is provided with the support column that is connected with substrate, and the height of support column and the height of sidewall are complementary.
Preferably, the number of support column is at least two.
Further, support column is to be provided with at interval.
Concrete, inside cavity is provided with the light source base that is connected with substrate.
Preferably, the position of light source base is corresponding with the test point bit position.
Concrete, substrate is a rectangle, the substrate diagonal line is provided with baffle plate.
Concrete, comprising line outlet, this line outlet is arranged on sidewall, cover plate or the substrate.
As the preferred version of technique scheme, described test point position is at least two.
The beneficial effects of the utility model are: can be rapidly and accurately the optical parametric of the backlight of different size be compared test, optical parametric and the timely test datas that obtain such as the brightness of check backlight, colourity, uniformity coefficient, can determine according to data whether the backlight of being tested meets the requirements, save time, reduce cost, easy to use, practical.The utility model is applicable to liquid crystal module.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Wherein, 1 is substrate, and 2 is cover plate, and 3 is sidewall, and 4 is light source base, and 5 are hook, and 6 is pocket for the punch head, and 7 is support column, and 8 is line outlet, and 9 is baffle plate, and 10 is the test point position.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
As shown in Figure 1, the proving installation in liquid crystal module group backlight of the present utility model source comprises substrate 1 and cover plate 2, has sidewall 3 around the described substrate 1, and sidewall 3 and substrate 1 and cover plate 2 form the cavity of a hollow, and cover plate 2 is provided with test point position 10.The surface area of cover plate 2 is more than or equal to the surface area of substrate 1, so that cover plate 2 covered substrate 1 fully.Cover plate 2 comprises diffuser plate and blooming piece, and diffuser plate has increased the light diffusivity again under the prerequisite that guarantees high transmission rate, makes a whole plate face homogeneous light emitting area of formation and does not form the dark space, and it is indeformable to support other blooming pieces; Blooming piece comprises reflector plate, polaroid and brightening piece etc.Utilize this device to carry out the optical parametric test, write down parameter values such as its brightness, chromaticity coordinates and colour temperature the LED-backlit source.When needs carry out many group LED-backlit source contrast test, only first group of LED-backlit source need be taken off its position of mark, back, again second group of LED-backlit source placed same position, and then place same position to carry out the optical parametric test in the LED-backlit source of the 3rd group and other groups.
The edge on sidewall 3 tops is provided with hook 5, and cover plate 2 edges are provided with and link up with the pocket for the punch heads 6 of 5 couplings, and cover plate 2 is by pocket for the punch head 6 and link up with 5 and be connected and fixed with substrate 1, improves the steadiness that substrate 1 is connected with cover plate 2.
Inside cavity is provided with the support column 7 that is connected with substrate 1, and the height of the height of support column 7 and sidewall 3 is complementary.
In order to reach better support effect, the number of described support column 7 is at least two.
Support column 7 is disposed in the cavity, and each support column 7 can bear cover plate 2 applied pressures equably, guarantees that cover plate 2 whole machine balancings are stable.
Inside cavity is provided with the light source base 4 that is connected with substrate 1.Light source base 4 is used for the LED-backlit source is positioned, and makes that each LED-backlit source all is in same position when the optical parametric test is carried out in the LED-backlit source at every turn.Light source base 4 can adopt various ways, as groove or with the zone of lines delineations etc.The position of light source base 4 can be corresponding with the position of test point position 10, so that use the backlight at optics instrument 10 pairs of light source base 4 places in the test point position to carry out optical parametric test accurately.
When substrate 1 be shaped as rectangle the time, can be provided with baffle plate 9 on its diagonal line.When the LED-backlit source is tested, the LED-backlit source is placed a side of the baffle plate 9 on substrate 1 diagonal line, can guarantee that light is even forming uniform irradiation on the cover plate 2; Baffle plate 9 is fixed L ED backlight better, when assurance compares test to the different LED backlight, makes each LED-backlit source all be in same position, strengthens locating effect.
Sidewall 3, cover plate 2 or substrate 1 are provided with line outlet 8, and the some lamp line in LED-backlit source links to each other with external power supply by line outlet 8.After a lamp line is connected external power supply, just can utilize this device that the optical parametric test is carried out in the LED-backlit source.
For the result of evaluation test gained better, at least two test point positions 10 are set on cover plate 2, from diverse location the optical parametric test is carried out in the LED-backlit source.
Utilizing device that the LED-backlit source is carried out in the optical parametric test process as Fig. 1, LED-backlit source to be tested is placed on the light source base 4, utilize double faced adhesive tape fixed L ED backlight, make edge, LED-backlit source be close to baffle plate 9, with the justified margin of the edge in LED-backlit source and light source base 4 or with the center in LED-backlit source and the center-aligned of light source base 4.In the time of can guaranteeing repeatedly to test, the position in LED-backlit source does not change.The point lamp line in LED-backlit source connects external power supply by line outlet 8, lights the LED-backlit source, carries out the optical parametric test, parameter values such as record brightness, chromaticity coordinates and colour temperature by using the test point position 10 of optics instrument on cover plate 2.
This device is suitable for the optical parametric test is carried out in the LED-backlit source of different size, different-thickness, different light inlet modes, can improve Products Development progress and sample quality check progress etc.
In the R﹠D process of reality, utilize this device that the LED-backlit source of volume production is detected, with the optic test data that obtain as reference data; Utilize this device that the LED-backlit source sample of follow-up importing is tested then, whether with the data and the reference data contrast that obtain, it is qualified to judge LED-backlit source sample fast.In quality management and control process, to utilize this device that resulting optic test data are detected as reference data in the qualified LED-backlit source of low-light level, utilize this device that follow-up low-light level LED-backlit source sample is tested then, the data and the reference data contrast that obtain are obtained deviate, if it is deviation value exceeds certain limit, then defective.
Claims (10)
1. the proving installation in liquid crystal module group backlight source, it is characterized in that comprise substrate (1) and cover plate (2), described substrate (1) has sidewall (3) all around, sidewall (3) and substrate (1) and cover plate (2) form the cavity of a hollow, and cover plate (2) is provided with test point position (10).
2. the proving installation in liquid crystal module group backlight as claimed in claim 1 source is characterized in that, sidewall (3) top edge is provided with hook (5), and cover plate (2) edge is provided with and links up with the pocket for the punch head (6) of (5) coupling.
3. the proving installation in liquid crystal module group backlight as claimed in claim 1 source is characterized in that, inside cavity is provided with the support column (7) that is connected with substrate (1), and the height of the height of support column (7) and sidewall (3) is complementary.
4. the proving installation in liquid crystal module group backlight as claimed in claim 3 source is characterized in that, the number of support column (7) is at least two.
5. the proving installation in liquid crystal module group backlight as claimed in claim 4 source is characterized in that, support column (7) is to be provided with at interval.
6. the proving installation in liquid crystal module group backlight as claimed in claim 1 source is characterized in that, described inside cavity is provided with the light source base (4) that is connected with substrate (1).
7. the proving installation in liquid crystal module group backlight as claimed in claim 6 source is characterized in that, the position of light source base (4) is corresponding with the position of test point position (10).
8. the proving installation in liquid crystal module group backlight as claimed in claim 1 source is characterized in that, substrate (1) is a rectangle, and substrate (1) diagonal line is provided with baffle plate (9).
9. the proving installation in liquid crystal module group backlight as claimed in claim 1 source is characterized in that, comprises line outlet (8), and this line outlet (8) is arranged on sidewall (3), cover plate (2) or the substrate (1).
10. according to the proving installation in any described liquid crystal module group backlight of claim source in 1 to 9, it is characterized in that described test point position (10) is at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320080159 CN203084368U (en) | 2013-02-21 | 2013-02-21 | Device for testing liquid crystal module backlights |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320080159 CN203084368U (en) | 2013-02-21 | 2013-02-21 | Device for testing liquid crystal module backlights |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203084368U true CN203084368U (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320080159 Expired - Fee Related CN203084368U (en) | 2013-02-21 | 2013-02-21 | Device for testing liquid crystal module backlights |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203084368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914384A (en) * | 2015-03-25 | 2015-09-16 | 广东长虹电子有限公司 | Dual-purpose separated LED light bar aging tooling |
-
2013
- 2013-02-21 CN CN 201320080159 patent/CN203084368U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914384A (en) * | 2015-03-25 | 2015-09-16 | 广东长虹电子有限公司 | Dual-purpose separated LED light bar aging tooling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20200221 |