CN105092211A - Display optical test system and test method - Google Patents
Display optical test system and test method Download PDFInfo
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- CN105092211A CN105092211A CN201510219247.7A CN201510219247A CN105092211A CN 105092211 A CN105092211 A CN 105092211A CN 201510219247 A CN201510219247 A CN 201510219247A CN 105092211 A CN105092211 A CN 105092211A
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Abstract
The embodiment of the invention provides a display optical test system and a test method, and relates to the optical test field. The verticality between an optical tester and a curved surface display can be accurately and conveniently adjusted, and optical test errors fo the curved surface display are minimized. The display optical test system comprises an adjusting support and a display support. The display support is used for supporting a to-be-tested display. An optical tester is arranged on the adjusting support. The optical tester is provided with a laser range finder. The adjusting support can drive the optical tester to rotate horizontally. The light emitting direction of the laser range finder is parallel to the light emitting direction of the optical tester. The display optical test system and the test method are used for optical tests for a display.
Description
Technical field
The present invention relates to optical testing art, particularly relate to a kind of display optic testing system and method for testing.
Background technology
In recent years, along with the development of science and technology, display miscellaneous appear at people work and life in.People are while use display, also more and more higher to the requirement of the properties of display.Can provide reliably to user in order to ensure the display dispatched from the factory, quality services, display manufacturer need before display dispatches from the factory, optic test is carried out to the aspect such as brightness, contrast, colourity of display.
In prior art, as shown in Figure 1, Fig. 1 is a kind of display optic testing system, comprises display bracket 101 and tester bracket 102, and display bracket 101 is for supporting display 103 to be tested, and tester bracket 102 is for support of optical tester 104.When carrying out optic test to display 103 to be measured, the direction of measurement of General Requirements optical tester 104 is vertical with to be tested of display 103 to be measured.But when display to be measured is flexible displays, owing to there is radian in be tested of flexible displays, cause the verticality adjustment difficulty between optical tester 104 and flexible displays comparatively large, and then easily cause the optic test of flexible displays to there is error.
Summary of the invention
Embodiments of the invention provide a kind of display optic testing system and method for testing, can adjust the verticality between optical tester and flexible displays accurately and conveniently, reduce the optic test error of flexible displays.
For achieving the above object, embodiments of the invention adopt following technical scheme:
The embodiment of the present invention provides a kind of display optic testing system on the one hand, comprise and regulate support and display bracket, described display bracket is for supporting display to be tested, described adjustment support is provided with optical tester, described optical tester is provided with laser range finder, described adjustment support can drive described optical tester to horizontally rotate, and the light direction of described laser range finder is parallel with the light direction of described optical tester.
Optionally, described adjustment support can drive described optical tester vertically to move.
Optionally, the laser visual that sends of described laser range finder.
Optionally, also comprise horizontally disposed first line slideway and the second line slideway, described second line slideway is vertical with described first line slideway, and the extension line of described first line slideway is crossing with described second line slideway, described adjustment Bracket setting is on described first line slideway and can slide along described first line slideway, and described display bracket to be arranged on described second line slideway and can to slide along described second line slideway.
Optionally, also comprise horizontally disposed first line slideway and the second line slideway, described second line slideway to be arranged on described first line slideway and vertical with described first line slideway, described second line slideway can move horizontally along described first line slideway, described adjustment Bracket setting is on described first line slideway and can slide along described first line slideway, and described display bracket to be arranged on described second line slideway and can to slide along described second line slideway.
Optionally, described display to be tested is flat-panel monitor, flexible displays or special-shaped display.
The embodiment of the present invention provides a kind of method utilizing aforementioned display device optic testing system to test display on the other hand, comprises the following steps:
Display to be tested is installed on display bracket, and makes the optical tester facing to regulating on support to be tested of display to be tested;
Open laser range finder, make the emergent ray of laser range finder inject to be tested of display to be tested and by be tested reflection;
Rotate and regulate support, make adjustment support drive described optical tester and laser range finder to horizontally rotate, observe emergent ray and the reflection ray of laser range finder, until when the emergent ray of laser range finder and reflection ray overlap, stop operating adjustment support;
Open the to be tested face of optical tester to display to be tested and carry out optic test.
Optionally, before optic test is carried out in the to be tested face of described unlatching optical tester to display to be tested, further comprising the steps of:
Move adjustment support along the first line slideway, make the distance between the described adjustment support that detected by laser range finder and display bracket reach default measuring distance.
Optionally, described default measuring distance is 50cm.
Optionally, at the described adjustment support of rotation, described adjustment support is made to drive described optical tester and described laser range finder to horizontally rotate, observe emergent ray and the reflection ray of described laser range finder, until when the emergent ray of described laser range finder and reflection ray overlap, stop operating before described adjustment support, further comprising the steps of:
Along the second line slideway mobile display support, the emergent ray of optical tester is made to inject region to be tested on to be tested.
The display optic testing system that the embodiment of the present invention provides and method of testing thereof, described display optic testing system comprises adjustment support and display bracket, display bracket is for supporting display to be tested, support is regulated to be provided with optical tester, optical tester is provided with laser range finder, regulate support that optical tester can be driven to horizontally rotate, the light direction of laser range finder is parallel with the light direction of optical tester.Compared to prior art, the display optic testing system that the embodiment of the present invention provides by setting up laser range finder on optical tester, when display to be tested is flexible displays, utilize laser range finder to the surface-emission laser to be tested of flexible displays, whether overlapped by the emergent ray and reflection ray that judge laser range finder, can judge that whether the light direction of laser range finder is vertical with the face to be tested of flexible displays.Due to the light direction of laser range finder and the light direction of optical tester parallel, and then can judge that whether the light direction of optical tester vertical with the face to be tested of flexible displays.When emergent ray and reflection ray do not overlap, regulate support to drive optical tester to horizontally rotate by adjustment, the verticality between optical tester and flexible displays can be adjusted accurately and conveniently, and then reduce the optic test error of flexible displays.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of display optic testing system schematic diagram that Fig. 1 provides for prior art;
A kind of display optic testing system schematic diagram that Fig. 2 provides for the embodiment of the present invention;
The light direction of a kind of laser range finder that Fig. 3 a provides for the embodiment of the present invention and to be tested vertical case schematic diagram of display to be measured;
The light direction of a kind of laser range finder that Fig. 3 b provides for the embodiment of the present invention and to be tested out of plumb situation schematic diagram of display to be measured;
A kind of display optic testing system schematic diagram that Fig. 4 provides for another embodiment of the present invention;
A kind of display optic testing system schematic diagram that Fig. 5 provides for yet another embodiment of the invention;
A kind of display optical test method process flow diagram that Fig. 6 provides for the embodiment of the present invention;
A kind of display optical test method process flow diagram that Fig. 7 provides for another embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of display optic testing system, as shown in Figure 2, comprise and regulate support 201 and display bracket 202, display bracket 202 is for supporting display 203 to be tested, support 201 is regulated to be provided with optical tester 204, optical tester 204 is provided with laser range finder 205, and regulate support 201 that optical tester 204 can be driven to horizontally rotate, the light direction of laser range finder 205 is parallel with the light direction of optical tester 204.
Wherein, display 203 to be tested can be the display of various shape, example, and can be flat-panel monitor, flexible displays or special-shaped display etc., the embodiment of the present invention limit this.
Described optical tester 204 is for carrying out optic test to the aspect such as brightness, contrast, colourity of display 203 to be tested.
Display bracket 202 is fixed with display 203 to be tested, the test of optical tester 204 is accepted for supporting display 203 to be tested, support 201 is regulated to fix with optical tester 204, be used for support of optical tester 204 on the one hand, on the other hand for driving optical tester 204 to horizontally rotate, to make the light direction of optical tester vertical with to be tested of display to be tested.
According to reflection law, during light vertical incidence, incident ray and reflection ray overlap.As shown in Figure 3 a, when light direction and display 203 to be tested to be tested of laser range finder 205 is vertical, the emergent ray of laser range finder 205 and reflection ray overlap; As shown in Figure 3 b, when to be tested out of plumb of the light direction of laser range finder 205 and display to be tested 203, emergent ray and the reflection ray of laser range finder 205 do not overlap, therefore, by judging whether the emergent ray of laser range finder 205 and reflection ray overlap, can judge that whether the light direction of laser range finder 205 is vertical with the face to be tested of display 203 to be tested.
In prior art, when carrying out optic test to flexible displays, because to be tested of flexible displays is curved surface, verticality adjustment difficulty between optical tester and flexible displays is larger, and in the embodiment of the present invention, utilize the laser range finder on optical tester to send laser, whether to overlap with reflection ray judge that whether optical tester is vertical with flexible displays by observing the emergent ray of laser range finder, simple to operation.Thus the display optic testing system embodiment of the present invention provided is applied in the optic test of flexible displays or out-of-shape display has obvious beneficial effect.
So, compared to prior art, the display optic testing system that the embodiment of the present invention provides by setting up laser range finder on optical tester, when display to be tested is flexible displays, utilize laser range finder to the surface-emission laser to be tested of flexible displays, whether overlapped by the emergent ray and reflection ray that judge laser range finder, can judge that whether the light direction of laser range finder is vertical with the face to be tested of flexible displays.When emergent ray and reflection ray overlap, then judge that the light direction of laser range finder is vertical with to be tested of flexible displays, due to the light direction of laser range finder and the light direction of optical tester parallel, and then judge that the light direction of optical tester is vertical with to be tested of flexible displays.When emergent ray and reflection ray do not overlap, then can judge the light direction of optical tester and to be tested out of plumb of flexible displays, now support is regulated to drive optical tester to horizontally rotate by adjustment, the verticality between optical tester and flexible displays can be adjusted accurately and conveniently, and then reduce the optic test error of flexible displays.
Further, shown in figure 2, regulate support 201 that optical tester 204 can be driven vertically to move.
In practical operation, verticality between adjustment optical tester 204 and display to be tested 203, namely be adjustment optical tester 204 and display to be tested 203 on measuring point to be checked tangent plane between verticality, when optical tester 204 is with when on display 203 to be tested, the tangent plane of measuring point to be checked is vertical, adjustment regulates support 201 to drive optical tester 204 vertically to move, the multiple points can treating check point vertical direction like this detect, and without the need to repeatedly adjusting the level angle of optical tester 204, simplify detecting step, shorten detection time.
Whether the embodiment of the present invention is overlapped with reflection ray by the emergent ray of laser range finder judges that whether the light direction of optical tester is vertical with the face to be tested of display to be measured, when the laser that laser range finder sends is visual laser, directly with the naked eye just can judge whether laser optical path overlaps, and without the need to judging by photovalve, facilitate the carrying out of set-up procedure like this, therefore, preferably, the laser that laser range finder sends is visual laser.
Further, as shown in Figure 4, described display optic testing system also comprises horizontally disposed first line slideway 206 and the second line slideway 207, second line slideway 207 is vertical with the first line slideway 206, and the extension line of the first line slideway 206 is crossing with the second line slideway 207, regulate support 201 to be arranged on the first line slideway 206 and can to slide along the first line slideway 206, display bracket 202 to be arranged on the second line slideway 207 and can to slide along the second line slideway 207.
Shown in figure 4, adjustment support 201 to be arranged on the first line slideway 206 and can to slide along the first line slideway 206, display bracket 202 to be arranged on the second line slideway 207 and can to slide along the second line slideway 207, like this can mobile display support and regulate support flexibly, be convenient to regulate the distance between two stands and horizontal level.Example, when flat panel display, because the second line slideway 207 is vertical with the first line slideway 206, and the extension line of the first line slideway 206 is crossing with the second line slideway 207, so after verticality between the tangent plane adjusting measuring point to be checked on optical tester 204 and display to be tested 203, adjustment display bracket 202 slides along the second line slideway 207, the multiple points can treating check point horizontal direction are like this tested, and without the need to repeatedly adjusting the level angle of optical tester 204, simplify detecting step, shorten detection time.
Further, as shown in Figure 5, described display optic testing system also comprises horizontally disposed first line slideway 206 and the second line slideway 207, second line slideway 207 to be arranged on the first line slideway 206 and vertical with the first line slideway 206, second line slideway 207 can move horizontally along the first line slideway 206, regulate support 201 to be arranged on the first line slideway 206 and can to slide along the first line slideway 206, display bracket 202 to be arranged on the second line slideway 207 and can to slide along the second line slideway 207.
Shown in figure 5, second line slideway 207 to be arranged on the first line slideway 206 and vertical with the first line slideway 206, second line slideway 207 can move horizontally along the first line slideway 206, such set-up mode can reach mobile display support and regulate support flexibly equally, is convenient to regulate the object of distance between two stands and horizontal level.
Another embodiment of the present invention provides a kind of method utilizing aforementioned display device optic testing system to test display, as shown in Figure 6, comprises the following steps:
Step 601, display to be tested to be installed on display bracket, and to make the optical tester facing to regulating on support to be tested of display to be tested.
Shown in figure 2, be installed on display bracket 202 by display 203 to be tested, display bracket 202 can support display 203 to be tested.Make the optical tester 204 facing to regulating on support 201 to be tested of display 203 to be tested, such optical tester 204 just can be tested the face to be tested of display 203 to be tested.
Step 602, open laser range finder, make the emergent ray of laser range finder inject to be tested of display to be tested and by be tested reflection.
Shown in figure 2, laser range finder 205 is arranged on optical tester 204, open laser range finder 205, laser range finder 205 can send laser, the laser sent is when injecting to be tested of display 203 to be tested, whether meeting also by be tested reflection, is overlapped by the emergent ray and reflection ray observing laser range finder 205, can judge that whether the light direction of optical tester 204 is vertical with the face to be tested of display 203 to be measured.
Step 603, rotation regulate support, adjustment support is made to drive optical tester and laser range finder to horizontally rotate, observe emergent ray and the reflection ray of laser range finder, until when the emergent ray of laser range finder and reflection ray overlap, stop operating adjustment support.
Shown in figure 2, when the emergent ray of laser range finder 205 and reflection ray do not overlap, the light direction of optical tester 204 and to be tested out of plumb of display to be measured 203 can be judged, now rotate and regulate support 201, optical tester 204 and laser range finder 205 is driven to horizontally rotate, because the horizontal level of laser range finder 205 changes, therefore the laser optical path of laser range finder 205 also changes, again observe emergent ray and the reflection ray of laser range finder 205, until when the emergent ray of laser range finder 205 and reflection ray overlap, can judge that the light direction of optical tester 204 is vertical with to be tested of display 203 to be measured, now stop operating and regulate support 201.
Step 604, the unlatching to be tested face of optical tester to display to be tested carry out optic test.
After adjusting the verticality between the light direction of optical tester 204 and to be tested of display to be measured 203, the to be tested face of optical tester 204 to display 203 to be tested can be opened and carry out optic test.Described optic test can comprise the test of the aspects such as brightness, colourity or contrast.
So, compared to prior art, the method of the test display that the embodiment of the present invention provides by setting up laser range finder on optical tester, when display to be tested is flexible displays, utilize laser range finder to the surface-emission laser to be tested of flexible displays, whether overlapped by the emergent ray and reflection ray that judge laser range finder, can judge that whether the light direction of laser range finder is vertical with the face to be tested of flexible displays.Due to the light direction of laser range finder and the light direction of optical tester parallel, and then can judge that whether the light direction of optical tester vertical with the face to be tested of flexible displays.When emergent ray and reflection ray do not overlap, regulate support to drive optical tester to horizontally rotate by adjustment, the verticality between optical tester and flexible displays can be adjusted accurately and conveniently, and then reduce the optic test error of flexible displays.
Further, as shown in Figure 7, before optic test is carried out in the unlatching to be tested face of optical tester to display to be tested, method is further comprising the steps of:
Step 605, move adjustment support along the first line slideway, make the distance between the adjustment support that detected by laser range finder and display bracket reach default measuring distance.
Described default measuring distance can set according to the experience of those skilled in the art or experiment, and the embodiment of the present invention does not limit this.Preferably, described default measuring distance elects 50cm as, can ensure that the test result obtained has higher accuracy like this.
Laser range finder by launching laser and receiving the mistiming between reflects laser, can obtain the distance between laser range finder and reflecting surface.So can conveniently obtain by laser range finder the distance regulated between support and display bracket, and regulate support by mobile, make the measuring distance that the distance between adjustment support and display bracket reaches default.
When carrying out optic test to flexible displays, because to be tested of flexible displays is curved surface, thus pilot to be measured is incomplete same to the distance of optical tester in be tested, by moving adjustment support along the first line slideway, the each pilot to be measured of adjustment that can be flexible is to the distance of optical tester, make it to reach default measuring distance, the accuracy of whole test result can be ensured like this.
Further, shown in figure 7, support is regulated in rotation, adjustment support is made to drive described optical tester and laser range finder to horizontally rotate, observe emergent ray and the reflection ray of laser range finder, until when the emergent ray of laser range finder and reflection ray overlap, stop operating before regulating support, described method is further comprising the steps of:
Step 606, along the second line slideway mobile display support, the emergent ray of optical tester is made to inject region to be tested on to be tested.
Shown in figure 4, before optic test is carried out in the unlatching to be tested face of optical tester 204 to display 203 to be tested, need the relative position adjusting display 203 to be tested and optical tester 204, the emergent ray of optical tester 204 is made to inject region to be tested on to be tested of display 203 to be tested, adjusting mode is herein along the second line slideway 207 mobile display support 202, and then drives display 203 to be tested to change with the relative position of optical tester 204.
The method of the test display that the embodiment of the present invention provides, comprising: be installed on display bracket by display to be tested, and makes the optical tester facing to regulating on support to be tested of display to be tested; Open laser range finder, make the emergent ray of laser range finder inject to be tested of display to be tested and by be tested reflection; Rotate and regulate support, make adjustment support drive optical tester and laser range finder to horizontally rotate, observe emergent ray and the reflection ray of laser range finder, until when the emergent ray of laser range finder and reflection ray overlap, stop operating adjustment support; Open the to be tested face of optical tester to display to be tested and carry out optic test.Compared to prior art, the method of the test display that the embodiment of the present invention provides by setting up laser range finder on optical tester, when display to be tested is flexible displays, utilize laser range finder to the surface-emission laser to be tested of flexible displays, whether overlapped by the emergent ray and reflection ray that judge laser range finder, can judge that whether the light direction of laser range finder is vertical with the face to be tested of flexible displays.Due to the light direction of laser range finder and the light direction of optical tester parallel, and then can judge that whether the light direction of optical tester vertical with the face to be tested of flexible displays.When emergent ray and reflection ray do not overlap, regulate support to drive optical tester to horizontally rotate by adjustment, the verticality between optical tester and flexible displays can be adjusted accurately and conveniently, and then reduce the optic test error of flexible displays.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. a display optic testing system, it is characterized in that, comprise and regulate support and display bracket, described display bracket is for supporting display to be tested, described adjustment support is provided with optical tester, described optical tester is provided with laser range finder, and described adjustment support can drive described optical tester to horizontally rotate, and the light direction of described laser range finder is parallel with the light direction of described optical tester.
2. display optic testing system according to claim 1, is characterized in that, described adjustment support can drive described optical tester vertically to move.
3. display optic testing system according to claim 1, is characterized in that, the laser visual that described laser range finder sends.
4. the display optic testing system according to any one of claims 1 to 3, it is characterized in that, also comprise horizontally disposed first line slideway and the second line slideway, described second line slideway is vertical with described first line slideway, and the extension line of described first line slideway is crossing with described second line slideway, described adjustment Bracket setting is on described first line slideway and can slide along described first line slideway, and described display bracket to be arranged on described second line slideway and can to slide along described second line slideway.
5. the display optic testing system according to any one of claims 1 to 3, it is characterized in that, also comprise horizontally disposed first line slideway and the second line slideway, described second line slideway to be arranged on described first line slideway and vertical with described first line slideway, described second line slideway can move horizontally along described first line slideway, described adjustment Bracket setting on described first line slideway and can along described first line slideway slide, described display bracket to be arranged on described second line slideway and can to slide along described second line slideway.
6. the display optic testing system according to any one of claims 1 to 3, is characterized in that, described display to be tested is flat-panel monitor, flexible displays or special-shaped display.
7. utilize a method for the display optics test system and test display according to any one of claim 1 ~ 6, it is characterized in that, comprise the following steps:
Display to be tested is installed on display bracket, and makes the optical tester facing to regulating on support to be tested of described display to be tested;
Open laser range finder, make the emergent ray of described laser range finder inject to be tested of described display to be tested and by be tested reflection;
Rotate described adjustment support, described adjustment support is made to drive described optical tester and described laser range finder to horizontally rotate, observe emergent ray and the reflection ray of described laser range finder, until when the emergent ray of described laser range finder and reflection ray overlap, stop operating described adjustment support;
Open the to be tested face of described optical tester to described display to be tested and carry out optic test.
8. method according to claim 7, is characterized in that, before optic test is carried out in the to be tested face of the described optical tester of described unlatching to described display to be tested, further comprising the steps of:
Move described adjustment support along described first line slideway, make the distance between the described adjustment support that detected by described laser range finder and described display bracket reach default measuring distance.
9. method according to claim 8, is characterized in that, described default measuring distance is 50cm.
10. method according to claim 7, it is characterized in that, at the described adjustment support of rotation, described adjustment support is made to drive described optical tester and described laser range finder to horizontally rotate, observe emergent ray and the reflection ray of described laser range finder, until when the emergent ray of described laser range finder and reflection ray overlap, before the described adjustment support that stops operating, further comprising the steps of:
Move described display bracket along described second line slideway, make the emergent ray of described optical tester inject region to be tested on to be tested.
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| CN106596061A (en) * | 2016-12-05 | 2017-04-26 | 中国航空工业集团公司洛阳电光设备研究所 | General test platform for optical performance of head-up display |
| CN106782297A (en) * | 2016-12-27 | 2017-05-31 | 莱茵技术（上海）有限公司 | For light-emitting diode display ambient light sensor detection standard light to light device |
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| CN112268686A (en) * | 2020-10-22 | 2021-01-26 | 合肥维信诺科技有限公司 | Method and device for measuring optical parameters of curved screen |
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| CN106596061A (en) * | 2016-12-05 | 2017-04-26 | 中国航空工业集团公司洛阳电光设备研究所 | General test platform for optical performance of head-up display |
| CN106782297A (en) * | 2016-12-27 | 2017-05-31 | 莱茵技术（上海）有限公司 | For light-emitting diode display ambient light sensor detection standard light to light device |
| CN106782297B (en) * | 2016-12-27 | 2023-08-22 | 莱茵技术（上海）有限公司 | Standard light feeding device for detecting ambient light sensor of LED display |
| CN111638041A (en) * | 2020-05-28 | 2020-09-08 | 云谷（固安）科技有限公司 | Position adjusting device, curved surface display screen testing equipment and testing method |
| CN111982474A (en) * | 2020-08-21 | 2020-11-24 | 维信诺科技股份有限公司 | Optical characteristic detection device and detection method for curved surface display panel |
| CN111982474B (en) * | 2020-08-21 | 2022-07-22 | 维信诺科技股份有限公司 | Optical characteristic detection device and detection method for curved surface display panel |
| CN112268686A (en) * | 2020-10-22 | 2021-01-26 | 合肥维信诺科技有限公司 | Method and device for measuring optical parameters of curved screen |
| CN113970750A (en) * | 2021-12-23 | 2022-01-25 | 华芯半导体研究院(北京)有限公司 | Measuring device and glove box |
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