CN105676494A - Display panel testing device - Google Patents
Display panel testing device Download PDFInfo
- Publication number
- CN105676494A CN105676494A CN201610225835.6A CN201610225835A CN105676494A CN 105676494 A CN105676494 A CN 105676494A CN 201610225835 A CN201610225835 A CN 201610225835A CN 105676494 A CN105676494 A CN 105676494A
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- Prior art keywords
- display panel
- testing device
- adsorption element
- described display
- adsorption
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a display panel testing device. The device is used for testing a display panel. The device comprises a machine table, a contact pin and at least two adsorption component assemblies, wherein the machine table is used for bearing the display panel, the contact pin is used for making contact with a contact pad of the display panel so as to output a test signal to the display panel, each adsorption component assembly comprises at least one adsorption component arranged on the machine table, and the adsorption components are used for adsorbing the display panel so as to fix the display panel during display panel testing. By the adoption of the device, the display panel can stay horizontal in the testing process so that a test image displayed by the display panel in the flat state can be taken by the testing device, and a test result is made more precise.
Description
[technical field]
The present invention relates to display panel technical field of measurement and test, in particular to a kind of testing device of display panel.
[background technology]
The narrower width of the frame of traditional display panel adopting narrow frame technology.
Above-mentioned display panel generally all needs to carry out lighting test, and wherein, lighting test comprises artificial lighting test and automatic lighting test, and wherein, the technical scheme of automatic lighting test is:
Pressure pin on lighting machine contacts the contact pad on described display panel (Pad), thus test signal is transferred to described display panel, and test lighting picture, wherein, need to keep described display panel to be in horizontality when carrying out automatic lighting test.
In practice, contriver finds that prior art at least exists following problem:
In the process that described display panel is implemented automatic lighting test, owing to described pressure pin can apply pressure to described display panel in the process contacted with described contact pad, therefore can make described display panel warpage. Owing to described display panel is in non-standard state, therefore above-mentioned traditional automatic lighting test scheme cannot draw accurate test result.
Therefore, it is necessary to a kind of new technical scheme is proposed, to solve the problems of the technologies described above.
[summary of the invention]
It is an object of the invention to provide a kind of testing device of display panel, it can make described display panel keep horizontality in test process, so that test result is more accurate.
For solving the problem, the technical scheme of the present invention is as follows:
A kind of testing device of display panel, described testing device of display panel is for testing display panel, and described testing device of display panel comprises: a machine platform, and described machine platform is for carrying described display panel; One contact pin, for contacting with the contact pad of described display panel, to export test signal to described display panel; At least two adsorption element combinations, the combination of described adsorption element comprises at least one adsorption element, described adsorption element is arranged on described machine platform, described adsorption element for adsorbing described display panel, to fix described display panel in the process of described display panel acceptance test.
In above-mentioned testing device of display panel, described adsorption element is arranged at the lower section of the plane residing for described display panel to be tested, described adsorption element is for adsorbing described display panel in the lower section of described plane, with fixing described display panel, and for preventing at least one first part of described display panel from tilting;Wherein, at least one described first part of described display panel tilts is be subject to the extruding of described contact pin by least one second section of described display panel to cause.
In above-mentioned testing device of display panel, described adsorption element comprises: an adsorption section, and described adsorption section is for contacting with the predetermined position of described display panel; One air suction pipe, described air suction pipe is connected with described adsorption section.
In above-mentioned testing device of display panel, the minimum external circular diameter of the cross section of described adsorption section is less than or equals the live width of the black matrix" block of the predetermined position of described display panel, and wherein, described predetermined position is the edge of described display panel.
In above-mentioned testing device of display panel, described testing device of display panel also comprises: at least one vacuum fan, described vacuum fan is connected with at least one described air suction pipe, and described vacuum fan is for bleeding by described adsorption element, so that described adsorption element applies suction to described display panel.
In above-mentioned testing device of display panel, described testing device of display panel also comprises: pilot circuit, described pilot circuit and described adsorption element are electrically connected, for controlling, described adsorption element adsorbs described display panel to described pilot circuit, and unclamps described display panel for controlling described adsorption element.
In above-mentioned testing device of display panel, described machine platform is provided with prospective region, and described prospective region is the region that described machine platform carries described display panel; Adsorption element combination described at least two is arranged in described prospective region, and described adsorption element is also for supporting described display panel.
In above-mentioned testing device of display panel, the position that adsorption element combination distribution described in two is corresponding with the dual-side of described display panel in described prospective region.
In above-mentioned testing device of display panel, position distribution residing for adsorption element described at least four is at the place of edge portion of described display panel surrounding.
In above-mentioned testing device of display panel, also comprise picture machines, described picture machines is arranged at above described machine platform, the imaging surface of described picture machines and the plane parallel at described display panel place, described picture machines is for taking the test pattern picture shown by described display panel, to generate shooting image, described picture machines is also for carrying out test analysis by described shooting image to described display panel.
Hinge structure, the present invention can make described display panel keep horizontality in test process, so that test result is more accurate.
For the foregoing of the present invention can be become apparent, preferred embodiment cited below particularly, and coordinate institute's accompanying drawings, it is described in detail below.
[accompanying drawing explanation]
Fig. 1 is the schematic diagram that display panel is tested by the testing device of display panel of the present invention;
Fig. 2 is the blast view of the combination of the testing device of display panel shown in Fig. 1 and display panel.
[embodiment]
The word " embodiment " that this specification sheets uses means example, example or illustration. In addition, the article " " used in this specification sheets and claims generally can be interpreted as " one or more ", can know unless otherwise or from context and determine odd number form.
Being the schematic diagram that display panel 105 is tested by the testing device of display panel of the present invention with reference to figure 1 and Fig. 2, Fig. 1, Fig. 2 is the blast view of the combination of the testing device of display panel shown in Fig. 1 and display panel 105.
The testing device of display panel of the present invention is for testing display panel 105, and described testing device of display panel comprises machine platform 101, contact pin 103, adsorption element combination. Described display panel 105 can be TFT-LCD (ThinFilmTransistorLiquidCrystalDisplay, liquid crystal display panel of thin film transistor), OLED (OrganicLightEmittingDiode, organic LED display panel) etc.
Wherein, described machine platform 101 is for carrying described display panel 105.
Described contact pin 103 for contacting with the contact pad 202 of described display panel 105, to export test signal to described display panel 105. Specifically, described contact pin 103 contacts for described contact pad 202 with described display panel 105 above described display panel 105, to export test signal to described display panel 105.
The combination of described adsorption element comprises at least one adsorption element 201, described adsorption element 201 is arranged on described machine platform 101, described adsorption element 201 for adsorbing described display panel 105, to fix described display panel 105 in the process of described display panel 105 acceptance test.
In the testing device of display panel of the present invention, described adsorption element 201 is arranged at the lower section of the plane residing for described display panel 105 to be tested, described adsorption element 201 for adsorbing described display panel 105 in the lower section of described plane, with fixing described display panel 105, and for preventing at least one first part of described display panel 105 from tilting.
Wherein, at least one described first part of described display panel 105 tilts is be subject to the extruding of described contact pin 103 by least one second section of described display panel 105 to cause. Described second section is the part extruded by described contact pin 103 in described display panel 105, and described first part is part relative on position or direction with described second section in described display panel 105.
In the testing device of display panel of the present invention, described adsorption element 201 comprises adsorption section, air suction pipe.
Described adsorption section is for contacting with the predetermined position of described display panel 105.
Described air suction pipe is connected with described adsorption section. Described air suction pipe is used for by described adsorption section air-breathing, to form suction at described adsorption section place.
In the testing device of display panel of the present invention, the minimum external circular diameter of the cross section of described adsorption section is less than or equals the black matrix" (BM of the predetermined position of described display panel 105, BlackMatrix) live width of block, wherein, described predetermined position is the edge of described display panel 105. Described air suction pipe and the air extractor relatively independent with described testing device of display panel being arranged in factory building are connected, described air suction pipe for obtaining suction power from described air extractor, and for described suction power is applied to described display panel 105.
Improving as one, in the testing device of display panel of the present invention, described testing device of display panel also comprises vacuum fan.
Described vacuum fan is connected with at least one described air suction pipe, described vacuum fan for being bled by described adsorption element 201 so that described adsorption element 201 applies suction to described display panel 105.
In the testing device of display panel of the present invention, described testing device of display panel also comprises pilot circuit.
Described pilot circuit and described adsorption element 201 are electrically connected, and for controlling, described adsorption element 201 adsorbs described display panel 105 to described pilot circuit, and unclamp described display panel 105 for controlling described adsorption element 201.
Specifically, described pilot circuit and described vacuum fan are electrically connected, and described pilot circuit is for controlling described pumping with exhaust blower, so that described adsorption element 201 forms suction (applying suction to described display panel 105).
In the testing device of display panel of the present invention, described machine platform 101 is provided with prospective region 102, and described prospective region 102 is the region that described machine platform 101 carries described display panel 105.
Adsorption element combination described at least two is arranged in described prospective region 102, and described adsorption element 201 is also for supporting described display panel 105.
In the testing device of display panel of the present invention, the position that adsorption element combination distribution described in two is corresponding with the dual-side of described display panel 105 in described prospective region 102.
In the testing device of display panel of the present invention, position distribution residing for adsorption element 201 described at least four is at the place of edge portion of described display panel 105 surrounding.
Improving as one, described adsorption element 201 is also arranged at the middle part of described prospective region 102, and the middle part of described prospective region 102 is corresponding with the middle part of described display panel 105.
In the testing device of display panel of the present invention, also comprise picture machines 104, described picture machines 104 is arranged at above described machine platform 101, the imaging surface of described picture machines 104 and the plane parallel at described display panel 105 place, described picture machines 104 is for taking the test pattern picture shown by described display panel 105, to generate shooting image, described picture machines 104 is also for carrying out test analysis by described shooting image to described display panel 105.
Described picture machines 104 comprises camera and visual detector. Described camera for taking the test pattern picture shown by described display panel 105, to generate described shooting image. Described visual detector is for carrying out test analysis by described shooting image to described display panel 105.
Pass through technique scheme, the present invention can make described display panel keep horizontality in test process, so that described test set can photograph the test pattern picture shown by described display panel being in straight (un-flexed/warpage) state, be conducive to making test result more accurate.
Although illustrate and describing the present invention relative to one or more implementation, but those skilled in the art are based on to the reading of this specification sheets and accompanying drawing with understand and will expect equivalent variations and amendment. The present invention comprises all such amendments and modification, and only by the range limit of claims. Especially about the various functions performed by said modules, it is intended to the random component (unless otherwise instructed) corresponding to the appointed function (such as it is functionally of equal value) performing described assembly, even if the open structure structurally with the function in the exemplary implementations performing shown in this article specification sheets is not equal to for describing the term of such assembly. In addition, although the special characteristic of this specification sheets relative in some implementations only one be disclosed, but this kind of feature can with can be such as expect and other characteristics combination one or more of other favourable implementations given or application-specific. And, with regard to term " comprising ", " having ", " containing " or its distortion are used in embodiment or claim, such term is intended to comprise in the way of similar to term " comprising ".
In sum; although the present invention discloses as above with preferred embodiment; but above preferred embodiment is also not used to restriction the present invention; the those of ordinary skill of this area; without departing from the spirit and scope of the present invention; all can doing various change and retouching, the scope that therefore protection scope of the present invention defines with claim is as the criterion.
Claims (10)
1. a testing device of display panel, it is characterised in that, described testing device of display panel is for testing display panel, and described testing device of display panel comprises:
One machine platform, described machine platform is for carrying described display panel;
One contact pin, for contacting with the contact pad of described display panel, to export test signal to described display panel;
At least two adsorption element combinations, the combination of described adsorption element comprises at least one adsorption element, described adsorption element is arranged on described machine platform, described adsorption element for adsorbing described display panel, to fix described display panel in the process of described display panel acceptance test.
2. testing device of display panel according to claim 1, it is characterized in that, described adsorption element is arranged at the lower section of the plane residing for described display panel to be tested, described adsorption element is for adsorbing described display panel in the lower section of described plane, with fixing described display panel, and for preventing at least one first part of described display panel from tilting;
Wherein, at least one described first part of described display panel tilts is be subject to the extruding of described contact pin by least one second section of described display panel to cause.
3. testing device of display panel according to claim 2, it is characterised in that, described adsorption element comprises:
One adsorption section, described adsorption section is for contacting with the predetermined position of described display panel;
One air suction pipe, described air suction pipe is connected with described adsorption section.
4. testing device of display panel according to claim 3, it is characterized in that, the minimum external circular diameter of the cross section of described adsorption section is less than or equals the live width of the black matrix" block of the predetermined position of described display panel, and wherein, described predetermined position is the edge of described display panel.
5. testing device of display panel according to claim 3 or 4, it is characterised in that, described testing device of display panel also comprises:
At least one vacuum fan, described vacuum fan is connected with at least one described air suction pipe, and described vacuum fan is for bleeding by described adsorption element, so that described adsorption element applies suction to described display panel.
6. testing device of display panel according to claim 5, it is characterised in that, described testing device of display panel also comprises:
Pilot circuit, described pilot circuit and described adsorption element are electrically connected, and for controlling, described adsorption element adsorbs described display panel to described pilot circuit, and unclamps described display panel for controlling described adsorption element.
7. testing device of display panel according to claim 1, it is characterised in that, described machine platform is provided with prospective region, and described prospective region is the region that described machine platform carries described display panel;
Adsorption element combination described at least two is arranged in described prospective region, and described adsorption element is also for supporting described display panel.
8. testing device of display panel according to claim 7, it is characterised in that, the position that adsorption element combination distribution described in two is corresponding with the dual-side of described display panel in described prospective region.
9. testing device of display panel according to claim 7 or 8, it is characterised in that, position distribution residing for adsorption element described at least four is at the place of edge portion of described display panel surrounding.
10. testing device of display panel according to claim 1, it is characterized in that, also comprise picture machines, described picture machines is arranged at above described machine platform, the imaging surface of described picture machines and the plane parallel at described display panel place, described picture machines is for taking the test pattern picture shown by described display panel, and to generate shooting image, described picture machines is also for carrying out test analysis by described shooting image to described display panel.
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CN201610225835.6A CN105676494A (en) | 2016-04-12 | 2016-04-12 | Display panel testing device |
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CN201610225835.6A CN105676494A (en) | 2016-04-12 | 2016-04-12 | Display panel testing device |
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Cited By (2)
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WO2018095109A1 (en) * | 2016-11-24 | 2018-05-31 | 惠科股份有限公司 | Method and apparatus for bend testing of display panel |
CN113176524A (en) * | 2021-05-13 | 2021-07-27 | Tcl华星光电技术有限公司 | Display panel detection device |
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US20030011108A1 (en) * | 2001-07-12 | 2003-01-16 | Matthies Dennis L. | Assembly display modules |
CN101165751A (en) * | 2006-10-18 | 2008-04-23 | 富士迈半导体精密工业(上海)有限公司 | Panel detector and its detection method |
CN102472711A (en) * | 2009-07-15 | 2012-05-23 | 有限会社共同设计企画 | Substrate inspecting apparatus |
CN103135268A (en) * | 2013-03-20 | 2013-06-05 | 深圳市华星光电技术有限公司 | Detection device of liquid crystal display panel |
JP2014029286A (en) * | 2012-07-31 | 2014-02-13 | Advanced Systems Japan Inc | Low thermal expansion interposer |
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2016
- 2016-04-12 CN CN201610225835.6A patent/CN105676494A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US20030011108A1 (en) * | 2001-07-12 | 2003-01-16 | Matthies Dennis L. | Assembly display modules |
CN101165751A (en) * | 2006-10-18 | 2008-04-23 | 富士迈半导体精密工业(上海)有限公司 | Panel detector and its detection method |
CN102472711A (en) * | 2009-07-15 | 2012-05-23 | 有限会社共同设计企画 | Substrate inspecting apparatus |
JP2014029286A (en) * | 2012-07-31 | 2014-02-13 | Advanced Systems Japan Inc | Low thermal expansion interposer |
CN103135268A (en) * | 2013-03-20 | 2013-06-05 | 深圳市华星光电技术有限公司 | Detection device of liquid crystal display panel |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2018095109A1 (en) * | 2016-11-24 | 2018-05-31 | 惠科股份有限公司 | Method and apparatus for bend testing of display panel |
US11092525B2 (en) | 2016-11-24 | 2021-08-17 | HKC Corporation Limited | Method and device for performing bending test on display panel |
CN113176524A (en) * | 2021-05-13 | 2021-07-27 | Tcl华星光电技术有限公司 | Display panel detection device |
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