CN109856828A - The light leakage sensitivity test equipment and method of liquid crystal display - Google Patents
The light leakage sensitivity test equipment and method of liquid crystal display Download PDFInfo
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- CN109856828A CN109856828A CN201910306435.1A CN201910306435A CN109856828A CN 109856828 A CN109856828 A CN 109856828A CN 201910306435 A CN201910306435 A CN 201910306435A CN 109856828 A CN109856828 A CN 109856828A
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Abstract
The invention discloses the light leakage sensitivity test equipments and method of a kind of liquid crystal display, the test equipment, it include: the gasket of transparent platform and many places hollow out thereon, the gasket is used to be padded on the lower section of tested liquid crystal display, and hollow part is located at the lower section at the edge of the liquid crystal display；It is placed on the liquid crystal display and corresponds to the pressure object of the hollow part, for providing downward pressure；Brightness detection instrument corresponds to the hollow part for the edge to the liquid crystal display and carries out brightness detection；Light leakage sensibility computing module, the pressure object of pressure and luminance test instrument detection for being provided according to the pressure object provide the brightness change before and after pressure, calculate the light leakage sensibility of the liquid crystal display.Lead to missing inspection due to human eye fatigue can be generated because detecting for a long time to avoid tester in test process using the present invention, and the light leakage sensibility of liquid crystal display can be gone out with quantitative test, more accurate test data is provided.
Description
Technical field
The present invention relates to field of display technology, light leakage sensitivity test equipment and the side of a kind of liquid crystal display are particularly related to
Method.
Background technique
In the production process of liquid crystal display, since TFT-LCD (Thin Film Transistors-LCD display screen) dark-state is by external force
When there are problems that light leakage brightness is high, range is big, color is partially yellow sensibility difference, mould group easily generate light leakage；Additionally, there are LED
It the problems such as lamp installation fault, also results in display screen and generates light leakage phenomena during the work time, reduce the quality of display screen.
In order to improve factory display screen qualification rate, need to production complete display screen carry out the inspection of light leakage sensibility
It surveys.Specifically, dependence test personnel first power on to liquid crystal display, then press display screen, are shown by human eye detection
Whether light leakage since light-leaking area area is smaller normally behaves as the hot spot of fritter to screen, and human eye detect for a long time is easy tired out, appearance
Missing inspection is easily led to, detection effect is bad；And can not quantitative test go out the light leakage sensibility of liquid crystal display, can not provide subject to more
True test data.
Summary of the invention
In view of this, it is an object of the invention to propose a kind of light leakage sensitivity test equipment of liquid crystal display and side
Method leads to missing inspection due to can generating human eye fatigue because detecting for a long time to avoid tester in test process, and can be with quantitative test
The light leakage sensibility of liquid crystal display out, provides more accurate test data.
A kind of light leakage sensitivity test equipment of liquid crystal display is provided based on the above-mentioned purpose present invention, comprising:
The gasket of transparent platform and many places hollow out thereon, the gasket are used to be padded on the lower section of tested liquid crystal display,
Its hollow part is located at the lower section at the edge of the liquid crystal display；
It is placed on the liquid crystal display and corresponds to the pressure object of the hollow part, for providing downward pressure；
Brightness detection instrument corresponds to the hollow part for the edge to the liquid crystal display and carries out brightness detection；
Light leakage sensibility computing module, pressure and the luminance test instrument for being provided according to the pressure object are examined
The pressure object of survey provides the brightness change before and after pressure, calculates the light leakage sensibility of the liquid crystal display.
Wherein, the hollow part of the gasket corresponds to the middle position of the liquid crystal display edge；And
The pressure object is specifically placed at the hollow out center for corresponding to the gasket on the liquid crystal display.
Alternatively, the hollow part of the gasket corresponds to the corner of the liquid crystal display, and the gasket is corresponding to liquid
The corner apex of crystal display screen has at support；And
The pressure object is specifically placed at the support for corresponding to the gasket on the liquid crystal display and the side of hollow part
Middle position between edge.
Alternatively, the hollow part of the gasket corresponds to the corner of the liquid crystal display；And
The pressure object is specifically placed in the apex in the corner of the liquid crystal display.
Further, the test equipment further include:
The backlight being placed in below the transparent platform.
The present invention also provides a kind of test platforms, for carrying test equipment as described above comprising:
For placing the box body of the backlight；
It is set to the transparent platform, gasket, liquid crystal display circumferential periphery and is placed on the box body and is carved with sliding rail
The bakelite baffle in road；
Mirror holder in the sliding rail of the bakelite baffle；And
The brightness detection instrument is specifically installed on the mirror holder.
The present invention also provides a kind of detection vehicles, comprising:
Test platform as described above；
Cabinet body below the test platform, wherein the interior of the cabinet is divided into multilayer, and every layer of two sides are provided with rolling
Wheel is released for the placement of spare gasket and the push-in of level；
It is installed on the idler wheel of the bottom of cabinet bulk.
The present invention also provides a kind of light leakage sensitivity tests methods of liquid crystal display, comprising:
Using brightness detection instrument to the edge of tested liquid crystal display, engraving for the gasket below the liquid crystal display is corresponded to
Vacancy carries out brightness detection；Wherein, described to be placed on a transparent platform；
By providing downward pressure on the liquid crystal display, the hollow part placement pressure object of the corresponding gasket；
Using the brightness detection instrument again to the edge of tested liquid crystal display, correspond to below the liquid crystal display
The hollow part of gasket carries out brightness detection；
The pressure object of the pressure and luminance test instrument detection that are provided according to the pressure object is provided before and after pressure
Brightness change calculates the light leakage sensibility of the liquid crystal display.
A kind of light leakage sensitivity test equipment of liquid crystal display is provided in technical solution of the present invention, wherein using saturating
The gasket of many places hollow out on bright platform is padded on the lower section of tested liquid crystal display, and its hollow part is made to be located at the liquid crystal display
The lower section at the edge of screen；It is placed in and corresponds to the pressure object of the hollow part of the gasket on liquid crystal display and can provide and be pressed downward
Power；Brightness detection is carried out using the hollow part that edge of the brightness detection instrument to the liquid crystal display corresponds to the gasket；In turn
Light leakage sensibility computing module can be according to the pressure object for the pressure and luminance test instrument detection that the pressure object provides
Brightness change before and after pressure is provided, the light leakage sensibility of the liquid crystal display is calculated.It is surveyed to realize by test equipment
The light leakage sensibility of liquid crystal display is tried out, on the one hand can generate human eye because of long-term detection to avoid tester in test process
On the other hand missing inspection caused by fatigue can obtain the quantitative test of the light leakage sensibility of liquid crystal display according to calculated result
As a result, to provide more accurate test data.
Detailed description of the invention
Fig. 1~3 are that a kind of structure of the light leakage sensitivity test equipment of liquid crystal display provided in an embodiment of the present invention is shown
It is intended to；
Fig. 4 a~4c is respectively the gasket schematic diagram of three kinds of hollow out modes provided in an embodiment of the present invention；
Fig. 5 is provided in an embodiment of the present invention a kind of for carrying the light leakage sensitivity test equipment of the liquid crystal display
Test platform structural schematic diagram；
Fig. 6 is a kind of structural schematic diagram for detecting vehicle provided in an embodiment of the present invention；
Fig. 7 is the interior of the cabinet structural schematic diagram of detection vehicle provided in an embodiment of the present invention；
Fig. 8 is a kind of flow chart of the light leakage sensitivity tests method of liquid crystal display provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singular " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.Wording "and/or" used herein includes one or more associated
The whole for listing item or any cell and all combination.
It should be noted that all statements for using " first " and " second " are for differentiation two in the embodiment of the present invention
The non-equal entity of a same names or non-equal parameter, it is seen that " first " " second " only for the convenience of statement, does not answer
It is interpreted as the restriction to the embodiment of the present invention, subsequent embodiment no longer illustrates this one by one.
Technical solution of the present invention provides a kind of light leakage sensitivity test equipment of liquid crystal display, including transparent
The gasket of many places hollow out on platform is padded on the lower section of tested liquid crystal display, and its hollow part is made to be located at the liquid crystal display
Edge lower section；It is placed in and corresponds to the pressure object of the hollow part of the gasket on liquid crystal display downward pressure can be provided；
Brightness detection is carried out using the hollow part that edge of the brightness detection instrument to the liquid crystal display corresponds to the gasket；And then light leakage
The pressure object of pressure and luminance test instrument detection that sensibility computing module can be provided according to the pressure object provides
Brightness change before and after pressure calculates the light leakage sensibility of the liquid crystal display.It is tested out to realize by test equipment
On the one hand the light leakage sensibility of liquid crystal display can generate human eye fatigue because of long-term detection to avoid tester in test process
Caused by missing inspection, the quantitative test knot of the light leakage sensibility of liquid crystal display on the other hand can be obtained according to calculated result
Fruit, to provide more accurate test data.
Technical solution that the invention will now be described in detail with reference to the accompanying drawings.
A kind of light leakage sensitivity test equipment of liquid crystal display provided in an embodiment of the present invention, structure such as Fig. 1,2 or 3 institute
Show, comprising: transparent platform 101 is placed on transparent platform 101 for being padded on many places hollow out of tested 103 lower section of liquid crystal display
Gasket 104, the pressure object 105 that is placed on tested liquid crystal display 103 and brightness detection instrument 106 and light leakage sensibility meter
It calculates module (not marked in figure).
Wherein, transparent platform 101 can be tempered glass or acrylic material, the light that backlight 102 below issues
Gasket 104 can be reached by transparent platform 101.
Gasket 104 can be aluminium material, and the hollow part of gasket 104 is located at the lower section at the edge of tested liquid crystal display 103；
In this way, the non-hollow part of gasket 104 is to support liquid crystal display 103, and liquid crystal display 103 corresponds to engraving for gasket 104
Vacancy be then it is hanging, do not support.Preferably, the hollow part of gasket 104 can be it is rectangular, side length be 100mm~
400mm。
Further, a kind of light leakage sensitivity test equipment of liquid crystal display provided in an embodiment of the present invention may also include that
It is set to the backlight 102 of 101 lower section of transparent platform.
It is issued by backlight 102, tested liquid crystal is incident upon via the hollow part of gasket 104 by the light of transparent platform 101
Display screen 103.
It is placed in the hollow part of the corresponding gasket 104 of pressure object 105 on liquid crystal display 103, for corresponding gasket 104
103 position of liquid crystal display of hollow part provides downward pressure.
Brightness detection instrument 106 is used for the edge to the liquid crystal display 103, and the hollow part of the corresponding gasket carries out bright
Degree detection.
The pressure and the luminance test instrument that light leakage sensibility computing module is used to be provided according to the pressure object 105
The pressure object 105 of 106 detections provides the brightness change before and after pressure, calculates the light leakage sensibility of the liquid crystal display 103.
Preferably, pressure object 105 specifically can be counterweight, it is less than 2cm with the contact surface of the liquid crystal display2, liquid crystal
The edge length of the hollow part of the corresponding gasket of display screen 103 can be 100mm~400mm.
Preferably, in order to which many places place to liquid crystal display platen edge carries out light leakage sensitivity tests, it can be respectively with a variety of
The gasket of hollow out mode is padded under liquid crystal display and is tested.
For example, a kind of gasket of hollow out mode as shown in fig. 4 a, hollow part are distributed in the middle position of edge
Place, corresponding to the middle position of liquid crystal display edge, for the middle position to liquid crystal display edge
Carry out light leakage sensitivity tests.It is padded below tested liquid crystal display with gasket shown in Fig. 4 a and carries out light leakage sensitivity tests
The schematic side view of the light leakage sensitivity test equipment of liquid crystal display then can be as shown in Figure 1.
In Fig. 1, pressure object 105 can be specifically placed in the hollow out for corresponding to the gasket 104 on the liquid crystal display
At the heart；The side length of the hollow part of gasket 104 is 200mm, then the liquid crystal display above a hollow part of gasket 104
The length at 103 edge is 200mm；Length of the object 105 apart from hollow part edge that presses is 100mm；Brightness detection instrument 106 is specific
Can on 103 edge of liquid crystal display, pressure 105 present position of object at the hollow out marginal position of the corresponding gasket 104
Intermediate position, i.e., at hollow part edge 50mm carry out brightness detection.
For another example, the gasket of two kinds of hollow out modes as shown in Fig. 4 b, 4c, hollow part are distributed in the four of rectangular gasket
Angle, corresponding to the corner of liquid crystal display, for carrying out light leakage sensitivity tests at the corner edge position to liquid crystal display.
Wherein, gasket shown in Fig. 4 b has at support in the corner apex for corresponding to liquid crystal display, at the support
It is identical as the spacer thickness, it plays a supporting role so as to the corner vertex to liquid crystal display.Specifically, lead at support
Cross hollow part there are the entire gasket of Lian Bianyu be linked together, and it is described even side height be less than at support with the other places of gasket,
So that the liquid crystal display for being placed in top at hollow part and Lian Bian is in vacant state.It is padded on gasket shown in Fig. 4 b tested
The schematic side view of the light leakage sensitivity test equipment of the liquid crystal display of light leakage sensitivity tests is carried out below liquid crystal display
It then can be as shown in Figure 2.The object 105 that presses in Fig. 2, which can be specifically placed on the liquid crystal display, corresponds to the gasket 104
Middle position at support between the edge of hollow part, for example, side length D1, D2 of the hollow part of gasket 104 can be in Fig. 4 b
It is 200mm, then length of the object 105 apart from hollow part edge that presses is 100mm；Brightness detection instrument 106 specifically can be to liquid crystal
Middle position on 103 edge of display screen, between pressure 105 present position of object and the edge of the hollow part of the corresponding gasket 104,
Brightness detection is carried out i.e. at hollow part edge 50mm；Or brightness detection instrument 106 specifically can be to 103 side of liquid crystal display
On edge, pressure 105 present position of object and the intermediate position at the support of the corresponding gasket 104, i.e., apart from liquid crystal display 103
Vertex 50mm at carry out brightness detection.
The hollow part of gasket shown in Fig. 4 c, without support, is padded on tested liquid crystal on corner vertex with gasket shown in Fig. 4 c
The schematic side view that the light leakage sensitivity test equipment of the liquid crystal display 103 of light leakage sensitivity tests is carried out below display screen then may be used
With as shown in Figure 3.Side length D1, D2 of the hollow part of gasket 104 can be 200mm in Fig. 4 c, and pressure object 105 is placed in liquid crystal display
Screen 103 corner apex, brightness detection instrument 106 then on 103 edge of liquid crystal display, pressure 105 present position of object with
Intermediate position at the hollow out marginal position of the corresponding gasket 104, i.e., apart from apex 100mm, that is, apart from gasket 104
Brightness detection is carried out at hollow out marginal position at 100mm.
Further, as shown in figure 5, the embodiment of the present invention also to provide a kind of light leakage for carrying above-mentioned liquid crystal display quick
The test platform of perceptual test equipment comprising: for place the box body 107 of backlight 102, be set to the transparent platform 101,
The bakelite baffle 108 of gasket 104,103 circumferential periphery of liquid crystal display.
Wherein, cube box body assembled by aluminum profile, the box body be can be for placing the box body 107 of backlight 102
107 tops are not closed, and the light of backlight 102 is emitted upwards.
Bakelite baffle 108 is placed on the box body 107, and the transparent platform 101 of test equipment, gasket 104, and tested
Liquid crystal display 103 be also placed in the top of box body 107, surrounding is by 108 enclosing of bakelite baffle.
Preferably, bakelite baffle 108 is carved with sliding along transparent platform 101, gasket 104,103 circumferential periphery of liquid crystal display
Track.
Further, test platform provided in an embodiment of the present invention may also include that the sliding rail embedded in the bakelite baffle 108
Mirror holder 109 in road.
The brightness detection instrument 106 of test equipment can be installed on mirror holder 109, since mirror holder 109 can be along sliding rail
It is mobile, so as to realize that brightness detection instrument 106 is moved along 103 circumferential periphery of liquid crystal display, examined convenient for brightness detection instrument 106
Survey the brightness at 103 edge of liquid crystal display.
Further, as shown in fig. 6, the embodiment of the invention also provides a kind of detection vehicle for being provided with above-mentioned test platform,
Comprising: above-mentioned test platform, and below the test platform, the cabinet body 110 and cabinet of the support test platform
The idler wheel 111 of 110 bottom of body installation.
Specifically, cabinet body 110 is located at 107 lower section of box body of test platform, by the aluminum profile support of 110 surrounding of cabinet body
The test platform stated.
As shown in fig. 7, being divided into multilayer inside cabinet body 110, every layer of two sides are provided with idler wheel slideway, for spare gasket
It places and the push-in of level is released.
Light leakage sensitivity test equipment based on above-mentioned liquid crystal display, it is provided in an embodiment of the present invention a kind of specific
The light leakage sensitivity tests method of liquid crystal display, process is as shown in figure 8, include the following steps:
Step S801: using brightness detection instrument 106 to the edge of tested liquid crystal display 103, the corresponding liquid crystal display
The hollow part of the gasket 104 of 103 lower section of screen carries out brightness detection.
Specifically, gasket 104 is placed on transparent platform 101, is provided with backlight 102 below the transparent platform 101；Back
The light of light 102 reaches tested liquid crystal display 103 via the hollow part of transparent platform 101 and gasket 104.
First use brightness detection instrument 106 to tested liquid crystal before placing pressure object 105 on tested liquid crystal display 103
The hollow part at the edge of display screen 103, the gasket 104 of corresponding 103 lower section of liquid crystal display carries out brightness detection, obtains
The object 105 that presses provides the brightness data before pressure.
For example, be hollow out mode as shown in fig. 4 a for the gasket of 103 lower section of liquid crystal display, then it can be in test solution
Use brightness detection instrument 106 to the edge of tested liquid crystal display 103 before placing pressure object 105 on crystal display screen 103
Middle position, or slightly deviate middle position carry out brightness detection；
For example, be hollow out mode as shown in Figure 4 b for the gasket of 103 lower section of liquid crystal display, then it can be in test solution
Use brightness detection instrument 106 to the corner edge of tested liquid crystal display 103 before placing pressure object 105 on crystal display screen 103
Apart from vertex certain length, for example brightness detection is carried out at 50mm；
For example, be hollow out mode as illustrated in fig. 4 c for the gasket of 103 lower section of liquid crystal display, then it can be in test solution
Use brightness detection instrument 106 to the corner edge of tested liquid crystal display 103 before placing pressure object 105 on crystal display screen 103
Apart from vertex certain length, for example brightness detection is carried out at 100mm.
Step S802: by the liquid crystal display 103, the hollow part placement pressure object of the corresponding gasket 104
105, downward pressure is provided.
It specifically, is hollow out mode as shown in fig. 4 a for the gasket of 103 lower section of liquid crystal display, then it can be tested
It is corresponded on liquid crystal display 103 and places pressure object 105 at the hollow out center of the gasket 104, i.e., as shown in Figure 1；
Alternatively, be hollow out mode as shown in Figure 4 b for the gasket of 103 lower section of liquid crystal display, then it can be in test solution
The middle position at the support of the gasket 104 between hollow out edge is corresponded on crystal display screen 103 places pressure object
105, i.e., as shown in Figure 2；
Alternatively, be hollow out mode as illustrated in fig. 4 c for the gasket of 103 lower section of liquid crystal display, then it can be in test solution
The apex of crystal display screen 103 places pressure object 105, i.e., as shown in Figure 3.
Step S803: using the brightness detection instrument 106 again to the edge of tested liquid crystal display 103, it is corresponding described in
The hollow part of the gasket 104 of 103 lower section of liquid crystal display carries out brightness detection.
In this step, it is bright for test position progress identical in above-mentioned steps S701 to reuse brightness detection instrument 106
Degree detection obtains pressure object 105 and provides the brightness data after pressure.
Step S804: the pressure object of the pressure and luminance test instrument detection that are provided according to the pressure object provides
Brightness change before and after pressure calculates the light leakage sensibility of the liquid crystal display.
Specifically, for a test position, light leakage sensibility S of the liquid crystal display at the test position can root
It is calculated according to following formula one:
Wherein, P provides pressure for pressure object, and B1, B1' are respectively the object offer forward and backward test position place of pressure that presses
The brightness data detected.
What the whole light leakage sensibility of liquid crystal display can be then calculated by the light leakage sensibility of multiple test positions,
For example the light leakage sensibility at multiple test positions can be averaged to obtain, or be calculated using other methods, herein
It will not enumerate.
A kind of light leakage sensitivity test equipment of liquid crystal display is provided in technical solution of the present invention, wherein using saturating
The gasket of many places hollow out on bright platform is padded on the lower section of tested liquid crystal display, and its hollow part is made to be located at the liquid crystal display
The lower section at the edge of screen；It is placed in and corresponds to the pressure object of the hollow part of the gasket on liquid crystal display and can provide and be pressed downward
Power；Brightness detection is carried out using the hollow part that edge of the brightness detection instrument to the liquid crystal display corresponds to the gasket；In turn
Light leakage sensibility computing module can be according to the pressure object for the pressure and luminance test instrument detection that the pressure object provides
Brightness change before and after pressure is provided, the light leakage sensibility of the liquid crystal display is calculated.It is surveyed to realize by test equipment
The light leakage sensibility of liquid crystal display is tried out, on the one hand can generate human eye because of long-term detection to avoid tester in test process
On the other hand missing inspection caused by fatigue can obtain the quantitative test of the light leakage sensibility of liquid crystal display according to calculated result
As a result, to provide more accurate test data.
Those skilled in the art of the present technique have been appreciated that in the present invention the various operations crossed by discussion, method, in process
Steps, measures, and schemes can be replaced, changed, combined or be deleted.Further, each with having been crossed by discussion in the present invention
Kind of operation, method, other steps, measures, and schemes in process may also be alternated, changed, rearranged, decomposed, combined or deleted.
Further, in the prior art to have and the step in various operations, method disclosed in the present invention, process, measure, scheme
It may also be alternated, changed, rearranged, decomposed, combined or deleted.
It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under thinking of the invention, above embodiments
Or can also be combined between the technical characteristic in different embodiments, step can be realized with random order, and be existed such as
Many other variations of the upper different aspect of the invention, for simplicity, they are not provided in details.Therefore, it is all
Within the spirit and principles in the present invention, any omission, modification, equivalent replacement, improvement for being made etc. be should be included in of the invention
Within protection scope.
Claims (10)
1. a kind of light leakage sensitivity test equipment of liquid crystal display characterized by comprising
The gasket of transparent platform and many places hollow out thereon, the gasket are used to be padded on the lower section of tested liquid crystal display, engrave
Vacancy is located at the lower section at the edge of the liquid crystal display；
It is placed on the liquid crystal display and corresponds to the pressure object of the hollow part, for providing downward pressure；
Brightness detection instrument corresponds to the hollow part for the edge to the liquid crystal display and carries out brightness detection；
Light leakage sensibility computing module, what pressure and the luminance test instrument for being provided according to the pressure object detected
The object that presses provides the brightness change before and after pressure, calculates the light leakage sensibility of the liquid crystal display.
2. test equipment according to claim 1, which is characterized in that the hollow part of the gasket corresponds to the liquid crystal
The middle position of display screen edge；And
The pressure object is specifically placed at the hollow out center for corresponding to the gasket on the liquid crystal display.
3. test equipment according to claim 1, which is characterized in that the hollow part of the gasket corresponds to the liquid crystal
The corner of display screen, and the gasket has at support in the corner apex for corresponding to liquid crystal display；And
The pressure object be specifically placed at the support for corresponding to the gasket on the liquid crystal display and the edge of hollow part it
Between middle position.
4. test equipment according to claim 1, which is characterized in that the hollow part of the gasket corresponds to the liquid crystal
The corner of display screen；And
The pressure object is specifically placed in the apex in the corner of the liquid crystal display.
5. test equipment according to claim 1 to 4, which is characterized in that the pressure object and the liquid crystal display
Contact surface be less than 2cm2；And
The hollow part be it is rectangular, side length be 100mm~400mm.
6. test equipment according to claim 1 to 4, which is characterized in that further include:
The backlight being placed in below the transparent platform.
7. test equipment according to claim 1 to 4, which is characterized in that the transparent platform is tempered glass or Asia
Gram force material, the gasket are aluminium material.
8. a kind of test platform, which is characterized in that for carrying the test equipment as described in claim 1-6 is any comprising:
For placing the box body of the backlight；
It is set to the transparent platform, gasket, liquid crystal display circumferential periphery and is placed on the box body and is carved with sliding rail
Bakelite baffle；
Mirror holder in the sliding rail of the bakelite baffle；And
The brightness detection instrument is specifically installed on the mirror holder.
9. a kind of detection vehicle characterized by comprising
Test platform as claimed in claim 9；
Cabinet body below the test platform, wherein the interior of the cabinet is divided into multilayer, and every layer of two sides are provided with idler wheel,
It is released for the placement of spare gasket and the push-in of level；
It is installed on the idler wheel of the bottom of cabinet bulk.
10. a kind of light leakage sensitivity tests method of liquid crystal display characterized by comprising
Using brightness detection instrument to the edge of tested liquid crystal display, the hollow part of the gasket below the liquid crystal display is corresponded to
Carry out brightness detection；Wherein, the gasket is placed on a transparent platform；
By providing downward pressure on the liquid crystal display, the hollow part placement pressure object of the corresponding gasket；
Using the brightness detection instrument again to the edge of tested liquid crystal display, the gasket below the liquid crystal display is corresponded to
Hollow part carry out brightness detection；
The pressure object of the pressure and luminance test instrument detection that are provided according to the pressure object provides the brightness before and after pressure
Variation, calculates the light leakage sensibility of the liquid crystal display.
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| CN201910306435.1A CN109856828A (en) | 2019-04-16 | 2019-04-16 | The light leakage sensitivity test equipment and method of liquid crystal display |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114063327A (en) * | 2021-10-27 | 2022-02-18 | 精电(河源)显示技术有限公司 | Display screen testing device and display screen testing method |
| WO2022193102A1 (en) * | 2021-03-15 | 2022-09-22 | 京东方科技集团股份有限公司 | Method, apparatus and system for determining light leakage degree of display panel, and test fixture |
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| US11906827B2 (en) | 2021-03-15 | 2024-02-20 | Beijing Boe Display Technology Co., Ltd. | Method for determining light-leakage degree of display panel, test fixture and computer-readable storage medium |
| CN114063327A (en) * | 2021-10-27 | 2022-02-18 | 精电(河源)显示技术有限公司 | Display screen testing device and display screen testing method |
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