CN106872485B - Detection device and detection method for flexible panel - Google Patents
Detection device and detection method for flexible panel Download PDFInfo
- Publication number
- CN106872485B CN106872485B CN201710099993.6A CN201710099993A CN106872485B CN 106872485 B CN106872485 B CN 106872485B CN 201710099993 A CN201710099993 A CN 201710099993A CN 106872485 B CN106872485 B CN 106872485B
- Authority
- CN
- China
- Prior art keywords
- flexible panel
- lighting machine
- lighting
- back plate
- panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
Abstract
The invention discloses a detection device of a flexible panel, wherein the detection device comprises: a lighting machine, comprising: the lighting machine comprises a lighting machine body and a curved lighting machine back plate, wherein the lighting machine body is connected with one side surface of the lighting machine back plate, and the surface of the lighting machine back plate, away from the lighting machine, is a curved surface and is used for accommodating a flexible panel to be detected; and the probe is arranged on the lighting machine and is used for connecting the flexible panel to be detected with the back panel of the lighting machine. The detection device disclosed by the invention has a simple structure, can accurately detect the defective products in the flexible panel, avoids the generation of point/line defects in the module detection or terminal customer detection process, effectively avoids the waste of the polarizing plate and also reduces the risk of customer complaints.
Description
Technical Field
The invention relates to the field of detection, in particular to a detection device and a detection method for a flexible panel.
Background
At present, in the manufacturing process of a Flexible active matrix light emitting diode (Flexible AMOLED, hereinafter referred to as a Flexible panel), some defective products are detected as good products in a unit Test (Cell Test), but in the module detection or terminal customer detection process, some point/line defects are generated, which is common in the Flexible panel industry, and the main influence is waste of module materials (COF/FPC/IC/polarizing plate and other materials), and if the Flexible active matrix light emitting diode is delivered to a terminal customer, the risk of customer complaint is caused.
In order to solve the above-mentioned drawbacks, it is necessary to provide a new flexible panel inspection apparatus and method.
Disclosure of Invention
The detection device for the flexible panel provided by the invention has a simple structure, can accurately detect the defective products in the flexible panel, avoids the generation of point/line defects in the module detection or terminal customer detection process, effectively avoids the waste of the polarizing plate, and also reduces the risk of customer complaints.
In order to achieve the above object, the present invention provides a detection apparatus for a flexible panel, wherein the detection apparatus comprises:
a lighting machine, comprising: the lighting machine comprises a lighting machine body and a curved lighting machine back plate, wherein the lighting machine body is connected with one side surface of the lighting machine back plate, and the surface of the lighting machine back plate, away from the lighting machine, is a curved surface and is used for accommodating a flexible panel to be detected;
and the probe is arranged on the lighting machine and is used for connecting the flexible panel to be detected with the back panel of the lighting machine.
The detection device for the flexible panel is characterized in that the bending degree of the curved surface of the lighting machine back plate is less than or equal to the maximum bending degree which can be borne by the flexible panel.
The detection device for the flexible panel as described above, wherein the detection device further includes a magnetic ring, and the magnetic ring is disposed on the surface of the flexible panel away from the back plate of the lighting machine.
The detection device for the flexible panel, wherein the magnetic ring is wrapped by the buffer layer.
The detection device for the flexible panel, wherein the buffer layer is made of teflon.
The detection device for the flexible panel is characterized in that the lighting machine back plate is provided with a plurality of through holes penetrating through the upper surface and the lower surface of the lighting machine back plate.
The detection device for the flexible panel is characterized in that the lighting machine back plate is provided with a fastening jig, and the probe is arranged on the fastening jig.
The invention also provides a detection method of the flexible panel, which has simple operation steps, can accurately detect the defective products in the flexible panel and avoid the generation of point/line defects in the module detection or terminal customer detection process.
In order to achieve the above object, the present invention provides a method for detecting a flexible panel, wherein the flexible panel is detected by using the detection device, the method comprising the following steps:
s1): arranging the flexible panel on the curved surface of the lighting machine backboard;
s2): connecting a probe to the flexible panel;
s3): and lighting a lighting machine to detect the flexible panel.
The detection method as described above, wherein in step S1), the flexible panel is attached to the curved surface of the lighting machine back panel by vacuum attachment.
In the above detection method, in step S3), the flexible panel is detected by rolling the surface of the flexible panel with a magnetic ring wrapping a buffer layer after the lighting machine is turned on.
The detection device disclosed by the invention is simple in structure, can accurately detect the defective products of the invisible points/lines of the flexible panel, effectively avoids the waste of a polarizing plate, and also reduces the risk of customer complaints. Meanwhile, the detection device can effectively avoid damage to the flexible panel in the detection process.
The detection method provided by the invention has simple operation steps, can accurately detect the defective products in the flexible panel, particularly can accurately detect the invisible point/line defective products in the flexible panel, and effectively avoids the generation of point/line defects in the module detection or terminal customer detection process.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. Those skilled in the art, having the benefit of the teachings of this invention, may choose from the various possible shapes and proportional sizes to implement the invention as a matter of case.
FIG. 1 is a schematic structural diagram of a flexible panel inspection device according to the present invention;
FIG. 2 is a schematic structural diagram of a flexible panel according to an embodiment of the present invention;
fig. 3 is a schematic flow chart of a detection method of a flexible panel according to the present invention.
Detailed Description
The details of the present invention can be more clearly understood in conjunction with the accompanying drawings and the description of the embodiments of the present invention. However, the specific embodiments of the present invention described herein are for the purpose of illustration only and are not to be construed as limiting the invention in any way. Any possible variations of the invention, which may be considered to be within the scope of the invention, will occur to those skilled in the art upon studying the disclosure and the accompanying drawings, and the invention will be further described below.
Fig. 1 to 3 are schematic structural diagrams of a flexible panel detection apparatus according to the present invention, a flexible panel according to an embodiment of the present invention, and a flow chart of a flexible panel detection method according to the present invention, respectively.
As shown in fig. 1, the detection apparatus of the flexible panel of the present invention includes: the lighting device comprises a lighting device 1 and a probe 2, wherein the lighting device 1 comprises a lighting device body 11 and a curved lighting device back plate 12, the lighting device body 11 is connected with one side surface of the lighting device back plate 12, the surface, away from the lighting device body 11, of the lighting device back plate 12 is a curved surface and used for placing a flexible panel 3 to be detected, and the probe 2 is connected with a terminal part 31 of the flexible panel 3 and used for connecting the flexible panel 3 to be detected with the lighting device back plate 12.
Specifically, the degree of curvature of the curved surface of the lighting machine back plate 12 is less than or equal to the maximum degree of curvature that the flexible panel 3 can bear, that is, the radius of curvature of the curved lighting machine back plate 12 is less than or equal to the maximum radius of curvature of the flexible panel 3 (the radius of curvature corresponding to the maximum curved state of the flexible panel 3), and the maximum degree of curvature that the flexible panel 3 can bear is that when the flexible panel 3 exceeds the maximum degree of curvature, the flexible panel 3 is damaged, and the normal operating state of the flexible panel is affected, that is, the radius of curvature of the curved lighting machine back plate 12 is less than or equal to the radius of curvature of the end product containing the flexible panel 3, so that the invisible point/line defective product in the flexible panel can be accurately detected, and particularly, whether the flexible panel 3 can normally operate in the end product can be accurately detected. Further, the connection between the lighting machine body 11 and the lighting machine back plate 12 and the connection between the probe 2 and the terminal portion 31 mentioned above refer to electrical connection of a transmittable electrical signal type, so that the electrical signal can be smoothly transmitted in the detection device of the present invention.
Specifically, as shown in fig. 2, in an embodiment of the invention, the flexible panel 3 includes a flexible substrate 31, an Array substrate 32(TFT Array), a supporting pillar 33, an anode 34, an organic light-emitting layer 35(organic multi-layers), a cathode 36, and a protective layer 37(encapsulation layer/packaging layer), where the flexible substrate 31 is a flexible polyimide substrate (flexible PI substrate), the Array substrate 32 is disposed on the flexible substrate 31, the supporting pillar 33 is disposed on the Array substrate 32 for supporting the anode 34, the organic light-emitting layer 35 is disposed between the anode 34 and the cathode 36, and the protective layer 37 covers the cathode 36 and wraps two sides of the anode 34. When particles 38 (which may also be metal particles) are present between the anode 34 and the array substrate 32, they may cause the occurrence of invisible dot/line defective products on the flexible panel 3, but in the prior art flexible panel detection process, the invisible dot/line defective products on the flexible panel 3 cannot be detected, and in one embodiment, the thickness of the flexible panel 3 is 0.5mm, i.e., the distance between the upper surface of the protective layer 37 of the flexible panel 3 and the lower surface of the flexible substrate 31 is 0.5 mm.
Furthermore, the detection device of the present invention further includes a magnetic ring 4, the magnetic ring 4 is disposed on the flexible panel 3, during the detection process, the magnetic ring 4 rolls back and forth on the surface of the flexible panel 3, when particles 38 exist between the anode 34 of the flexible panel 3 and the array substrate 32, due to the adsorption effect of the magnetic ring 4 on the particles 38, the low temperature polysilicon TFT switch (LTPS TFT switch) of the flexible panel 3 may further be caused to operate abnormally through the particles 38 and other foreign matters in the flexible panel 3, and the detector may more accurately detect the generation of gray scale phenomenon in the flexible panel 3 at the observation side a, thereby accurately detecting the invisible point/line defective products of the flexible panel 3.
Further, the magnetic ring 4 is wrapped by the buffer layer 5, so that the magnetic ring 4 is prevented from damaging the flexible panel 3 when rolling the protective layer 37 of the flexible panel 3, and further damage to the flexible panel 3 is prevented in the detection process.
Furthermore, the lighting machine back plate 12 is provided with a plurality of through holes 121 penetrating through the upper and lower surfaces thereof, and the flexible panel 3 is disposed on the lighting machine back plate 12, wherein the flexible panel 3 and the lighting machine back plate 12 maintain the same degree of bending, and are connected with the air suction pump through the through holes 121, so that the flexible panel 3 is stably adsorbed on the lighting machine back plate 12 through vacuum adsorption, and the damage to the flexible panel 3 in the detection process can be effectively prevented by adopting the arrangement mode, namely, the invention adsorbs the flexible panel 3 on the lighting machine back plate 12 through installing a porous vacuum adsorption platform on the surface of the arc-shaped metal lighting machine back plate 12, in one embodiment, the batter posts 122 are arranged between the lighting machine back plate 12 and the lighting machine body 11, so as to stably dispose the lighting machine back plate 12.
Further, the probe 2 is stably arranged on the fastening jig 21, the fastening jig 21 is stably arranged on the lighting machine back plate 12, the probe 2 penetrates through the fastening jig 21 to be connected with the terminal portion 31 of the flexible panel 3, and the probe 2 is used for connecting the flexible panel 3 to be detected with the lighting machine back plate 12, so that the purpose of transmitting electric signals is achieved.
The detection device for the flexible panel has a simple structure, can accurately detect the defective products in the flexible panel, avoids the generation of point/line defects in the module detection or terminal customer detection process, effectively avoids the waste of the polarizing plate, and also reduces the risk of customer complaints.
As shown in fig. 1 and 3, the method for detecting a flexible panel of the present invention includes: the method comprises the following steps:
s1): the flexible panel 3 is arranged on the curved surface of the lighting machine back plate 12;
s2): connecting the probe 2 to the flexible panel 3;
s3): the lighting device 1 detects the flexible panel 3.
Specifically, in the present invention, in step S1), the flexible panel 3 is adsorbed on the lighting machine back panel 12 by vacuum adsorption, specifically, as described above, the lighting machine back panel 12 is provided with the plurality of through holes 121, and the flexible panel 3 is provided on the curved surface of the lighting machine back panel 12, wherein the flexible panel 3 and the lighting machine back panel 12 are maintained at the same degree of curvature and connected to the air pump through the through holes 121, thereby achieving stable adsorption of the flexible panel 3 on the lighting machine back panel 12 by vacuum adsorption, and the damage to the flexible panel 3 during the inspection can be effectively prevented by adopting the arrangement that the flexible panel 3 is adsorbed on the curved surface of the lighting machine back panel 12 by installing the porous vacuum adsorption platform on the curved surface of the metal lighting machine back panel 12, thereby achieving safe installation of the flexible panel 3 on the lighting machine back panel 12, i.e. effectively prevent damage to the flexible panel 3 during inspection.
Further, in step S3), after the lighting machine 1 is turned on, the surface of the flexible panel 3 is rolled by the magnetic ring 4 wrapping the buffer layer 5 to detect the flexible panel 3, specifically, as mentioned above, the magnetic ring 4 is disposed on the flexible panel 3, during the detection process, the magnetic ring 4 rolls back and forth on the surface of the flexible panel 3, when the particles 38 exist between the anode 34 of the flexible panel 3 and the array substrate 32, due to the adsorption effect of the magnetic ring 4 on the particles 38, the low temperature polysilicon TFT switch (LTPS TFT switch) of the flexible panel 3 is further abnormal due to the foreign matters such as the particles 38 in the flexible panel 3, the detector can more accurately detect the gray scale phenomenon of the flexible panel 3 at the observation side a, thereby accurately detecting the invisible point/line defective products of the flexible panel 3, further, the buffer layer 5 is wrapped outside the magnetic ring 4, thereby prevent that magnetic ring 4 from causing the emergence of harm to flexible panel 3 when rolling protective layer 37 of flexible panel 3, further increase and prevent to cause the harm to flexible panel 3 in the testing process, in a specific embodiment, buffer layer 5 adopts the teflon material to make, and buffer layer 5 also can adopt other materials to make under the prerequisite that satisfies its effect certainly, does not do the specific limitation here.
The detection process of the flexible panel is specifically as follows: install porous vacuum adsorption platform on the surface of arc metal lamp machine backplate 12, place flexible panel 3 on vacuum adsorption platform, flexible panel 3 adsorbs firmly back, the terminal part 31 of flexible panel 3 is connected to probe 2, utilize the magnetic ring 4 of parcel teflon to roll on the surface of flexible panel 3 after lighting lamp machine backplate 12, see through foreign matter such as granule 38 in the flexible panel 3, let LTPS TFT switch actuate unusually, thereby realize detecting out the product of the recessive point of flexible panel 3/bad line.
The detection method has simple operation steps, can accurately detect the defective products in the flexible panel 3, particularly can accurately detect the invisible point/line defective products in the flexible panel 3, and effectively avoids the generation of point/line defects in the module detection or terminal customer detection process, and the detection method adsorbs the flexible panel 3 on the lighting machine back plate 12 through vacuum adsorption, so that the flexible panel 3 can be stably arranged on the lighting machine back plate 12, and the damage to the flexible panel 3 in the detection process can be prevented.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. A flexible panel inspection device, comprising:
a lighting machine, comprising: the lighting machine comprises a lighting machine body and a curved lighting machine back plate, wherein the lighting machine body is connected with one side surface of the lighting machine back plate, and the surface of the lighting machine back plate, which is far away from the lighting machine body, is a curved surface and is used for accommodating a flexible panel to be detected;
the probe is connected with the terminal part of the flexible panel and is used for connecting the flexible panel to be detected with the back panel of the lighting machine;
the magnetic ring is arranged on the surface of the flexible panel, which is far away from the back plate of the lighting machine, and the magnetic ring is used for rolling back and forth on the surface of the flexible panel to adsorb foreign particles.
2. The apparatus for inspecting a flexible panel according to claim 1, wherein a degree of curvature of the lighting unit backplane is less than or equal to a maximum degree of curvature that the flexible panel can withstand.
3. The flexible panel testing apparatus of claim 1, wherein the magnetic ring is wrapped with a buffer layer.
4. The flexible panel testing device of claim 3, wherein the buffer layer is made of Teflon.
5. The device for inspecting a flexible panel according to any one of claims 1 to 4, wherein the lighting unit back plate is provided with a plurality of through holes penetrating through upper and lower surfaces thereof.
6. The device for inspecting a flexible panel according to any one of claims 1 to 4, wherein the probes are provided on a fastening jig provided on the lighting machine back plate.
7. A method for inspecting a flexible panel, wherein the flexible panel is inspected by using the inspection apparatus according to any one of claims 1 to 6, the method comprising the steps of:
s1): arranging the flexible panel on a curved lighting machine backboard;
s2): connecting a probe to a terminal portion of the flexible panel;
s3): and lighting a lighting machine to detect the flexible panel.
8. The inspection method according to claim 7, wherein in step S1), the flexible panel is attached to the lighting engine backplane by vacuum suction.
9. The inspection method according to claim 7 or 8, wherein in step S3), the flexible panel is inspected by laminating a surface of the flexible panel with a magnetic ring wrapping a buffer layer after the lighting machine is turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099993.6A CN106872485B (en) | 2017-02-23 | 2017-02-23 | Detection device and detection method for flexible panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099993.6A CN106872485B (en) | 2017-02-23 | 2017-02-23 | Detection device and detection method for flexible panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106872485A CN106872485A (en) | 2017-06-20 |
| CN106872485B true CN106872485B (en) | 2020-02-04 |
Family
ID=59167848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710099993.6A Active CN106872485B (en) | 2017-02-23 | 2017-02-23 | Detection device and detection method for flexible panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106872485B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799044A (en) * | 2017-12-11 | 2018-03-13 | 苏州广林达电子科技有限公司 | The soft screen TP tools of OLED |
| CN108613988A (en) * | 2018-04-09 | 2018-10-02 | 武汉华星光电半导体显示技术有限公司 | Detection device and detection method, the detection method of flexible piece of flexible panel |
| CN109062436B (en) * | 2018-08-01 | 2021-12-28 | 京东方科技集团股份有限公司 | Flexible display panel and display device |
| CN109827850A (en) * | 2019-01-15 | 2019-05-31 | 广东工业大学 | A kind of fexible film stretch bending device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529571A (en) * | 2013-10-25 | 2014-01-22 | 京东方科技集团股份有限公司 | Detecting device and detecting method for liquid crystal display panel ions |
| CN105527296A (en) * | 2016-01-11 | 2016-04-27 | 深圳市国显科技有限公司 | Rectangular vacuumizing backlight white dot detecting jig |
| CN106461571A (en) * | 2014-05-29 | 2017-02-22 | 康宁股份有限公司 | Method for particle detection on flexible substrates |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63293581A (en) * | 1987-05-26 | 1988-11-30 | 富士通株式会社 | Testing of liquid crystal panel |
| CN101981494B (en) * | 2008-03-26 | 2012-11-21 | 夏普株式会社 | Method for detecting dust particle of liquid crystal panel and device for detecting dust particle |
| CN203629786U (en) * | 2013-12-18 | 2014-06-04 | 昆山工研院新型平板显示技术中心有限公司 | Testing device used for flexible screen |
-
2017
- 2017-02-23 CN CN201710099993.6A patent/CN106872485B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103529571A (en) * | 2013-10-25 | 2014-01-22 | 京东方科技集团股份有限公司 | Detecting device and detecting method for liquid crystal display panel ions |
| CN106461571A (en) * | 2014-05-29 | 2017-02-22 | 康宁股份有限公司 | Method for particle detection on flexible substrates |
| CN105527296A (en) * | 2016-01-11 | 2016-04-27 | 深圳市国显科技有限公司 | Rectangular vacuumizing backlight white dot detecting jig |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106872485A (en) | 2017-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106872485B (en) | Detection device and detection method for flexible panel | |
| KR20110052726A (en) | Monitoring apparatus for robot | |
| US8664964B2 (en) | Display device and system for inspecting bonding resistance and inspecting method thereof | |
| CN101086563B (en) | LCD test device and test process thereof | |
| US10591533B2 (en) | Display substrate, display panel and display device | |
| JP3194991U (en) | Improved automatic probe configuration station and method of operation thereof | |
| US9689656B2 (en) | Workpiece holder and method using same for detecting lateral displacement of workpiece | |
| CN105785607A (en) | Display substrate, light-on equipment and detection method of light-on test pin alignment | |
| CN105895001A (en) | Carrier device for detecting LCD module | |
| US8328005B2 (en) | Belt tension indicator | |
| US10782314B2 (en) | Probe assembly and testing device | |
| JP2013191741A (en) | Probe device, and probe card attachment method of probe device | |
| WO2003058189A1 (en) | Sealed condition inspecting device | |
| KR101177509B1 (en) | Inspection apparatus of touch screen | |
| JP2014232794A (en) | Inspection device | |
| KR20100060808A (en) | Testing apparatus for lower connection pin of junction box | |
| KR20150042573A (en) | System and method of testing organic light emitting display device capable of testing automatically contact between probe and pad | |
| US9136088B2 (en) | Detection apparatus and operating method | |
| CN102297656A (en) | Method for rapidly testing symmetry degree of product by comparing product by utilizing a film negative and projector | |
| TWI714391B (en) | Sensor applied for x-ray electrostatic eliminator | |
| JP2010083663A (en) | Substrate flotation device, substrate inspection device and substrate inspection method | |
| CN218018082U (en) | Pneumatic clamp | |
| KR20100058970A (en) | Probe card, test system for flexible printed circuit board comprising the same, and test method for flexible printed circuit board | |
| KR20110035224A (en) | Auto probe station | |
| KR20090036906A (en) | Buffer system for a substrate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |