CN108254274B - Bending test system and bending test method for flexible display panel - Google Patents
Bending test system and bending test method for flexible display panel Download PDFInfo
- Publication number
- CN108254274B CN108254274B CN201810054906.XA CN201810054906A CN108254274B CN 108254274 B CN108254274 B CN 108254274B CN 201810054906 A CN201810054906 A CN 201810054906A CN 108254274 B CN108254274 B CN 108254274B
- Authority
- CN
- China
- Prior art keywords
- display panel
- flexible display
- microscopic image
- adsorption
- bending
- 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
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/38—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by electromagnetic means
Abstract
The invention provides a bending test system and a bending test method for a flexible display panel. The bending test system of the flexible display panel comprises two adsorption bending devices, a microscopic image acquisition device and a control center. When the bending test of the flexible display panel is carried out, the first driving device and the second driving device of the adsorption bending device are controlled by the control module to enable the vacuum adsorption strips of the two adsorption bending devices to be located at the edge of the flexible display panel so as to firmly adsorb the flexible display panel. The second driving devices and the first driving devices of the two adsorption bending devices are controlled by the control center, so that various types of bending tests can be performed on the flexible display panel, and meanwhile, the microscopic image acquisition device acquires real-time microscopic images of the flexible display panel in real time. The control center compares the real-time microscopic image with the initial microscopic image, monitors the condition of the flexible display panel in real time, and effectively saves labor and time.
Description
Technical Field
The invention relates to the technical field of display, in particular to a bending test system and a bending test method for a flexible display panel.
Background
The conventional flat Display device mainly includes a liquid Crystal Display device (L acquired Crystal Display, L CD) and an Organic light Emitting diode Display device (Organic L light Emitting Display, O L ED).
The organic light emitting diode display device has the excellent characteristics of self-luminescence, no need of a backlight source, high contrast, thin thickness, wide viewing angle, high reaction speed, wide use temperature range, simple structure and manufacture process and the like, and can be used for a flexible panel, so that the organic light emitting diode display device is considered as a new application technology of a next-generation flat panel display.
The flexible O L ED panel is an important research direction of O L ED display devices, and the flexible substrate is adopted to replace a traditional glass substrate to achieve the flexibility of the panel, so that a subversive concept is brought to consumers, the user experience can be improved, and the product competitiveness is enhanced, but the current flexible O L ED panel technology is not mature enough, and a lot of problems exist in the aspects of bending radius, reliability and product mass production, so that the development of the flexible O L ED panel is restricted, particularly the bending radius of the flexible O L ED panel, as the most prominent characteristic of the flexible O L ED product, and good bending property and reliability are always the targets pursued by various large flexible O L ED panel manufacturers.
In order to test the bending performance of the flexible O L ED panel, a flexible O L ED panel manufacturer usually performs bending tests on the flexible O L ED panel, the conventional device for bending tests of the flexible O L ED panel is single in function, one device can only complete one test, such as U-shaped bending, torsion and the like, a plurality of devices are required to be prepared for performing various different tests, resource waste is caused, meanwhile, in the process of bending tests, the conditions of a sample need to be observed in real time, the bending times of the sample when the sample is broken and damaged are recorded, a basis is provided for designing a flexible screen and selecting materials, the conventional device can only be used for observing and recording in real time by a laboratory technician, manpower and time are wasted, the efficiency is low, the condition that the detection is not in place easily occurs, the condition that bad production is not found in time, and the like.
Disclosure of Invention
The invention aims to provide a bending test system of a flexible display panel, which can firmly fix the flexible display panel in a test process, can carry out various bending tests on the flexible display panel and can monitor the test condition in real time.
The invention aims to provide a bending test method of a flexible display panel, which can be used for carrying out various bending tests on the flexible display panel and monitoring test conditions in real time.
In order to achieve the above object, the present invention first provides a bending test system for a flexible display panel, which includes two adsorption bending devices disposed oppositely, a microscopic image obtaining device disposed above the two adsorption bending devices, and a control center electrically connected to the microscopic image obtaining device;
each adsorbs the device of buckling and all includes: the device comprises a first horizontal guide rail, a second horizontal guide rail parallel to the first horizontal guide rail, a sliding block, a vertical guide rail, a support, a first driving device and a second driving device, wherein two ends of the sliding block are respectively matched with the first horizontal guide rail and the second horizontal guide rail; the straight lines of the first horizontal guide rails of the two adsorption bending devices are parallel or coincident; the support is including the body, the vacuum control valve of setting on the body that the cover was established on vertical guide rail and locate the vacuum adsorption strip of body one end, this internal many evacuation passageways that are equipped with, the lower surface of vacuum adsorption strip is equipped with and corresponds a plurality of vacuum holes of intercommunication with many evacuation passageways, the vacuum control valve all is connected with many evacuation passageways, vacuum control valve and control center electric connection.
An electric control valve is arranged in each vacuum hole and is electrically connected with the control center.
The microscopic image acquisition apparatus includes: the micro-image acquisition unit and the image processing unit are electrically connected with the micro-image acquisition unit and the control center.
The manipulator is arranged between the two adsorption bending devices, and the tray is arranged on the manipulator.
The straight lines of the first horizontal guide rails of the two adsorption bending devices are overlapped; and the straight lines of the second horizontal guide rails of the two adsorption bending devices are superposed.
The invention also provides a bending test method of the flexible display panel, which comprises the following steps:
step S1, providing the bending test system of the flexible display panel and the flexible display panel;
step S2, arranging the flexible display panel below the microscopic image acquisition device;
step S3, the microscopic image acquisition device acquires an initial microscopic image of the flexible display panel and transmits the initial microscopic image to a control center;
step S4, the control center obtains the edge position of the flexible display panel according to the initial microscopic image of the flexible display panel, controls the second driving devices of the two adsorption bending devices to drive the sliding block to move along the first horizontal guide rail, controls the first driving devices of the two adsorption bending devices to drive the bracket to move along the vertical guide rail and rotate around the vertical guide rail, and enables the lower surfaces of the vacuum adsorption strips of the two adsorption bending devices to be respectively contacted with the edges of two sides of the upper surface of the flexible display panel;
step S5, the control center controls the vacuum control valve to vacuumize the vacuuming channel and the vacuum hole which are communicated with the vacuum control valve, so that the vacuum adsorption strips of the two adsorption bending devices adsorb the flexible display panel;
step S6, the control center controls the second driving device and the first driving device of the two adsorption bending devices to perform bending test on the flexible display panel;
step S7, the microscopic image acquisition device acquires a real-time microscopic image of the flexible display panel and transmits the real-time microscopic image to a control center;
and step S8, the control center compares the real-time microscopic image of the flexible display panel with the initial microscopic image of the flexible display panel, judges whether the flexible display panel is poor, and sends out prompt information and stops bending test on the flexible display panel when the flexible display panel is poor. An electric control valve is arranged in each vacuum hole and is electrically connected with the control center;
in step S5, the control center controls the vacuum control valve to vacuumize the vacuum channel and the vacuum hole communicated with the vacuum control valve, and controls the electronic control valve in the vacuum hole on the vacuum adsorption strip opposite to the flexible display panel to open, and controls the electronic control valve in the vacuum hole on the vacuum adsorption strip except for the vacuum hole opposite to the flexible display panel to close.
The microscopic image acquisition apparatus includes: the system comprises a microscopic image acquisition unit and an image processing unit which is electrically connected with the microscopic image acquisition unit and a control center;
in step S3, the acquiring of the initial microscopic image of the flexible display panel by the microscopic image acquiring device and the transmitting of the initial microscopic image to the control center specifically includes: the microscopic image acquisition unit acquires initial microscopic image data of the flexible display panel, and the image processing unit converts the initial microscopic image data of the flexible display panel into corresponding electric signals and transmits the electric signals to the control center;
in step S7, the acquiring of the real-time microscopic image of the flexible display panel by the microscopic image acquiring device and the transmitting to the control center specifically includes: the microscopic image acquisition unit acquires real-time microscopic image data of the flexible display panel, and the image processing unit converts the real-time microscopic image data of the flexible display panel into corresponding electric signals and transmits the electric signals to the control center.
The bending test system of the flexible display panel also comprises a manipulator arranged between the two adsorption bending devices and a tray arranged on the manipulator;
in step S2, the specific manner of disposing the flexible display panel below the microscopic image acquisition device is as follows: the flexible display panel is arranged on the tray, the tray is moved to the position below the microscopic image acquisition device by the mechanical arm, and the flexible display panel on the tray is arranged below the microscopic image acquisition device;
in step S5, after the vacuum absorbing bars of the two absorbing and bending devices absorb the flexible display panel, the manipulator moves the tray away from the lower side of the microscopic image acquiring device.
In the step S6, the control center controls the second driving devices of the two adsorption bending devices to drive the sliders of the two adsorption bending devices to move in opposite directions and back to back, so as to perform a U-shaped bending test on the flexible display panel; alternatively, the first and second electrodes may be,
the control center controls the second driving devices of the two adsorption bending devices to make the sliding block of one adsorption bending device in the two adsorption bending devices static, and the sliding block of the other adsorption bending device moves along the first horizontal guide rail to perform a rolling U-shaped bending test on the flexible display panel; alternatively, the first and second electrodes may be,
the control center controls the first driving devices of the two adsorption bending devices to drive the supports of the two adsorption bending devices to rotate in opposite directions, and the flexible display panel is subjected to torsion test.
The invention has the beneficial effects that: the invention provides a bending test system of a flexible display panel, which comprises two adsorption bending devices, a microscopic image acquisition device and a control center. When the bending test of the flexible display panel is carried out, the first driving device and the second driving device of the adsorption bending device are controlled by the control module to enable the vacuum adsorption strips of the two adsorption bending devices to be located at the edge of the flexible display panel so as to firmly adsorb the flexible display panel. The second driving devices and the first driving devices of the two adsorption bending devices are controlled by the control center, so that various types of bending tests can be performed on the flexible display panel, and meanwhile, the microscopic image acquisition device acquires real-time microscopic images of the flexible display panel in real time. The control center compares the real-time microscopic image with the initial microscopic image, monitors the condition of the flexible display panel in real time, and effectively saves labor and time. The bending test method of the flexible display panel provided by the invention can be used for carrying out various bending tests on the flexible display panel and monitoring the test conditions in real time.
Drawings
For a better understanding of the nature and technical aspects of the present invention, reference should be made to the following detailed description of the invention, taken in conjunction with the accompanying drawings, which are provided for purposes of illustration and description and are not intended to limit the invention.
In the drawings, there is shown in the drawings,
fig. 1 is a schematic front view of a bending test system of a flexible display panel according to the present invention;
FIG. 2 is a schematic side view of a bending test system for a flexible display panel according to the present invention;
FIG. 3 is a schematic cross-sectional view of a bracket of a bending test system for a flexible display panel according to the present invention at one of the evacuation channels and its corresponding vacuum hole;
FIG. 4 is an electrical connection diagram of a bending test system of a flexible display panel according to the present invention;
FIG. 5 is a schematic structural diagram of a microscopic image acquisition device of a bending test system of a flexible display panel according to the present invention;
FIG. 6 is a flow chart of a bending test method of a flexible display panel according to the present invention;
fig. 7 is a schematic diagram of step S2 of the bending test method of the flexible display panel according to the present invention;
fig. 8 is a schematic diagram of step S5 of the bending test method for a flexible display panel according to the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Referring to fig. 1 to 5, the present invention provides a bending test system for a flexible display panel, which includes two adsorption bending devices 1 disposed oppositely, a microscopic image obtaining device 2 disposed above the two adsorption bending devices 1, and a control center 3 electrically connected to the microscopic image obtaining device 2;
referring to fig. 1, fig. 2, fig. 3 and fig. 4, each of the suction bending devices 1 includes: the device comprises a first horizontal guide rail 11, a second horizontal guide rail 12 parallel to the first horizontal guide rail 11, a sliding block 13, a vertical guide rail 14, a support 15, a first driving device 16 and a second driving device 17, wherein two ends of the sliding block 13 are respectively matched with the first horizontal guide rail 11 and the second horizontal guide rail 12, the vertical guide rail 14 is arranged on the upper surface of the sliding block 13, the support 15 is sleeved on the vertical guide rail 14, the first driving device 16 is electrically connected with a control center 3 and used for driving the support 15 to move along the vertical guide rail 14 and rotate around the vertical guide rail 14, and the second driving device 17 is electrically connected with the control center 3; the straight lines of the first horizontal guide rails 11 of the two adsorption bending devices 1 are parallel or overlapped; referring to fig. 3, the support 15 includes a body 151 sleeved on the vertical guide rail 14, a vacuum control valve 152 disposed on the body 151, and a vacuum adsorption strip 153 disposed at one end of the body 151, a plurality of vacuum channels 154 are disposed in the body 151, a plurality of vacuum holes 155 correspondingly communicated with the plurality of vacuum channels 154 are disposed on a lower surface of the vacuum adsorption strip 153, the vacuum control valve 152 is connected to the plurality of vacuum channels 154, and the vacuum control valve 152 is electrically connected to the control center 3.
Specifically, referring to fig. 3, an electrically controlled valve 156 is disposed in each vacuum hole 155, and the electrically controlled valve 156 is electrically connected to the control center 3.
Specifically, referring to fig. 5, the microscopic image acquiring apparatus 2 includes: a microscopic image acquisition unit 21 and an image processing unit 22 electrically connected with both the microscopic image acquisition unit 21 and the control center 3.
Specifically, referring to fig. 1 and 2, the bending test system for the flexible display panel further includes a manipulator 4 disposed between the two adsorption bending devices 1 and a tray 5 disposed on the manipulator 4.
Preferably, the straight lines of the first horizontal guide rails 11 of the two adsorption bending devices 1 are overlapped; the straight lines of the second horizontal guide rails 12 of the two adsorption bending devices 1 are overlapped.
Specifically, when the bending test system of the flexible display panel is applied to a bending test of the flexible display panel, the flexible display panel to be tested is firstly arranged on the tray 5, and the tray 5 is moved by the manipulator 4, so that the tray 5 and the flexible display panel above the tray are moved to the lower part of the microscopic image acquisition device 2; then, inputting bending test parameters in the control center 3, wherein the bending test parameters comprise bending type, bending times, bending speed and bending radius, after the input is completed, operating the control center 3 to control the microscopic image acquisition device 2 to acquire an initial microscopic image of the flexible display panel and transmit the initial microscopic image to the control center 3, specifically, acquiring initial microscopic image data of the flexible display panel by a microscopic image acquisition unit 21 of the microscopic image acquisition device 2, and converting the initial microscopic image data of the flexible display panel into corresponding electric signals by an image processing unit 22 to transmit the electric signals to the control center 3; after receiving an initial microscopic image of the flexible display panel, the control center 3 acquires the edge position of the flexible display panel at the moment according to the initial microscopic image, correspondingly controls the second driving devices 17 of the two adsorption bending devices 1 to drive the sliding block 13 to move along the first horizontal guide rail 11, controls the first driving devices 16 of the two adsorption bending devices 1 to drive the bracket 15 to move along the vertical guide rail 14 and rotate around the vertical guide rail 14, and enables the lower surfaces of the vacuum adsorption strips 153 of the two adsorption bending devices 1 to be respectively contacted with the edges of two sides of the upper surface of the flexible display panel; then, the control center 3 controls the vacuum control valve 152 to vacuumize the vacuuming channel 154 and the vacuum hole 155 communicated with the vacuum control valve 152, and controls the electric control valve 156 in the vacuum hole 155 on the vacuum adsorption strip 153 opposite to the flexible display panel to be opened, and controls the electric control valve 156 in the vacuum hole 155 on the vacuum adsorption strip 153 except for the vacuum hole 155 opposite to the flexible display panel to be closed, so that the vacuum adsorption strips 153 of the two adsorption bending devices 1 firmly adsorb the flexible display panel, compared with the prior art, the invention can automatically adjust the position of the vacuum adsorption strip 153 according to the size of the flexible display panel 9, and can reduce the damage to the edge of the flexible display panel 9 caused by clamping; subsequently, the control center 3 correspondingly controls the second driving device 17 and the first driving device 16 of the two adsorption bending devices 1 according to the bending test parameters input therein to perform a bending test on the flexible display panel, which may be performed by performing a U-shaped bending test on the flexible display panel in order to move the sliders 13 of the two adsorption bending devices 1 toward and away from each other, or performed by performing a rolling U-shaped bending test on the flexible display panel in order to make the slider 13 of one adsorption bending device 1 of the two adsorption bending devices 1 stationary and the slider 13 of the other adsorption bending device 1 move along the first horizontal guide rail 11, or performed by performing a torsion test on the flexible display panel in order to make the supports 15 of the two adsorption bending devices 1 rotate in opposite directions, that is, the bending test system of the flexible display panel of the present invention can perform a similar bending test on the flexible display panel, compared with the prior art, the cost of the test equipment is reduced; when a bending test is carried out on the flexible display panel, the microscopic image acquisition device 2 acquires a real-time microscopic image of the flexible display panel and transmits the real-time microscopic image to the control center 3, the control center 3 compares the real-time microscopic image of the flexible display panel with an initial microscopic image of the flexible display panel to judge whether the flexible display panel is defective or not so as to monitor the condition of the flexible display panel in real time, when the flexible display panel is defective, the control center 3 sends prompt information and stops the bending test on the flexible display panel, the prompt information can comprise defective generation time, bending test times, defective photo images and the like, can be displayed by a display terminal connected with the control center, and when the prompt information is sent, the control center can also control an alarm device connected with the control center to give an alarm to prompt a tester that a defect is generated, the tester judges to continue the test or restart the test according to the prompt message to realize the automatic monitoring of the bending test, and can effectively save labor and time.
Based on the same inventive concept, please refer to fig. 6, the invention further provides a bending test method of a flexible display panel, comprising the following steps:
step S1, providing a bending test system of the flexible display panel and the flexible display panel 9.
Specifically, referring to fig. 1 to 5, the bending test system of the flexible display panel includes two adsorption bending devices 1 disposed opposite to each other, a microscopic image obtaining device 2 disposed above the two adsorption bending devices 1, and a control center 3 electrically connected to the microscopic image obtaining device 2;
referring to fig. 1, fig. 2, fig. 3 and fig. 4, each of the suction bending devices 1 includes: the device comprises a first horizontal guide rail 11, a second horizontal guide rail 12 parallel to the first horizontal guide rail 11, a sliding block 13, a vertical guide rail 14, a support 15, a first driving device 16 and a second driving device 17, wherein two ends of the sliding block 13 are respectively matched with the first horizontal guide rail 11 and the second horizontal guide rail 12, the vertical guide rail 14 is arranged on the upper surface of the sliding block 13, the support 15 is sleeved on the vertical guide rail 14, the first driving device 16 is electrically connected with a control center 3 and used for driving the support 15 to move along the vertical guide rail 14 and rotate around the vertical guide rail 14, and the second driving device 17 is electrically connected with the control center 3; the straight lines of the first horizontal guide rails 11 of the two adsorption bending devices 1 are parallel or overlapped; support 15 establishes body 151, the vacuum control valve 152 of setting on body 151 and locates the vacuum adsorption strip 153 of body 151 one end including the cover on vertical guide rail 14, be equipped with many evacuation passageways 154 in the body 151, the lower surface of vacuum adsorption strip 153 is equipped with and corresponds a plurality of vacuum holes 155 of intercommunication with many evacuation passageways 154, vacuum control valve 152 all is connected with many evacuation passageways 154, vacuum control valve 152 and control center 3 electric connection.
Specifically, referring to fig. 3, an electrically controlled valve 156 is disposed in each vacuum hole 155, and the electrically controlled valve 156 is electrically connected to the control center 3.
Specifically, referring to fig. 5, the microscopic image acquiring apparatus 2 includes: a microscopic image acquisition unit 21 and an image processing unit 22 electrically connected with both the microscopic image acquisition unit 21 and the control center 3.
Specifically, referring to fig. 1 and 2, the bending test system for the flexible display panel further includes a manipulator 4 disposed between the two adsorption bending devices 1 and a tray 5 disposed on the manipulator 4.
Preferably, the straight lines of the first horizontal guide rails 11 of the two adsorption bending devices 1 are overlapped; the straight lines of the second horizontal guide rails 12 of the two adsorption bending devices 1 are overlapped.
Step S2, please refer to fig. 7, the flexible display panel 9 is disposed below the microscopic image obtaining apparatus 2.
Specifically, in the step S2, the flexible display panel 9 is disposed below the microscopic image acquiring device 2 in a specific manner: the flexible display panel 9 is arranged on the tray 5, and the manipulator 4 moves the tray 5 to the lower part of the microscopic image acquisition device 2, so that the flexible display panel 9 on the tray 5 is arranged below the microscopic image acquisition device 2.
Specifically, after the step S2 is finished, a step of inputting bending test parameters including a bending type, a bending frequency, a bending speed, and a bending radius in the control center 3 is further provided.
Step S3, the microscopic image obtaining device 2 obtains an initial microscopic image of the flexible display panel 9 and transmits the initial microscopic image to the control center 3.
Specifically, in step S3, the control center 3 is operated to control the microscopic image acquiring device 2 to acquire an initial microscopic image of the flexible display panel 9 and transmit the acquired image to the control center 3.
Specifically, in step S3, the acquiring of the initial microscopic image of the flexible display panel 9 by the microscopic image acquiring device 2 and the transmitting to the control center 3 specifically include: the microscopic image acquisition unit 21 acquires initial microscopic image data of the flexible display panel 9, and the image processing unit 22 converts the initial microscopic image data of the flexible display panel 9 into a corresponding electric signal and transmits the electric signal to the control center 3.
Step S4, the control center 3 obtains the edge position of the flexible display panel 9 according to the initial microscopic image of the flexible display panel 9, controls the second driving devices 17 of the two adsorption bending devices 1 to drive the sliding block 13 to move along the first horizontal guide rail 11, and controls the first driving devices 16 of the two adsorption bending devices 1 to drive the bracket 15 to move along the vertical guide rail 14 and rotate around the vertical guide rail 14, so that the lower surfaces of the vacuum adsorption strips 153 of the two adsorption bending devices 1 are respectively in contact with the edges on two sides of the upper surface of the flexible display panel 9.
Step S5, referring to fig. 8, the control center 3 controls the vacuum control valve 152 to vacuumize the vacuuming channel 154 and the vacuum hole 155 communicated therewith, so that the vacuum absorbing strips 153 of the two absorbing and bending devices 1 absorb the flexible display panel 9.
Specifically, in step S5, the control center 3 controls the vacuum control valve 152 to vacuumize the vacuuming channel 154 and the vacuum hole 155 communicated therewith, controls the electrically controlled valve 156 in the vacuum hole 155 of the vacuum suction bar 153 opposite to the flexible display panel 9 to open, and controls the electrically controlled valve 156 in the vacuum hole 155 of the vacuum suction bar 153 except for the vacuum hole 155 opposite to the flexible display panel 9 to close.
Specifically, in step S5, after the vacuum suction bars 153 of the two suction bending devices 1 suck the flexible display panel 9, the robot arm 4 removes the tray 5 from below the microscopic image acquiring device 2.
Specifically, after the step S5 is finished, the vacuum suction strips 153 of the two suction bending devices 1 can firmly suck the flexible display panel 9, and compared with the prior art, the present invention can automatically adjust the positions of the vacuum suction strips 153 according to the size of the flexible display panel 9, and can reduce the damage to the edge of the flexible display panel 9 caused by clamping.
Step S6, the control center 3 controls the second driving device 17 and the first driving device 16 of the two suction bending devices 1 to perform a bending test on the flexible display panel 9.
Specifically, in the step S6, the control center 3 correspondingly controls the second driving device 17 and the first driving device 16 of the two adsorption bending devices 1 according to the bending test parameters input therein to perform the bending test on the flexible display panel, which may be performed by performing a U-shaped bending test on the flexible display panel in order to move the sliders 13 of the two adsorption bending devices 1 toward and away from each other, or performed by performing a rolling U-shaped bending test on the flexible display panel in order to make the slider 13 of one adsorption bending device 1 of the two adsorption bending devices 1 stationary and the slider 13 of the other adsorption bending device 1 move along the first horizontal guide rail 11, or performed by performing a torsion test on the flexible display panel in order to make the brackets 15 of the two adsorption bending devices 1 rotate in opposite directions, that is, the bending test method of the flexible display panel of the present invention can perform various bending tests on the flexible display panel, compared with the prior art, the cost of the test equipment is reduced.
Step S7, the microscopic image obtaining device 2 obtains the real-time microscopic image of the flexible display panel 9 and transmits the real-time microscopic image to the control center 3.
Specifically, the step S7, the acquiring the real-time microscopic image of the flexible display panel 9 by the microscopic image acquiring device 2 and transmitting the real-time microscopic image to the control center 3 specifically includes: the microscopic image acquisition unit 21 acquires real-time microscopic image data of the flexible display panel 9, and the image processing unit 22 converts the real-time microscopic image data of the flexible display panel 9 into a corresponding electric signal and transmits the electric signal to the control center 3.
Step S8, the control center 3 compares the real-time microscopic image of the flexible display panel 9 with the initial microscopic image of the flexible display panel 9, determines whether the flexible display panel 9 is defective, and when the flexible display panel 9 is defective, the control center 3 sends a prompt message and stops performing a bending test on the flexible display panel 9.
It should be noted that, in the steps S7 and S8, when the flexible display panel 9 is subjected to the bending test, the microscopic image obtaining device 2 obtains the real-time microscopic image of the flexible display panel 9 and transmits the real-time microscopic image to the control center 3, the control center 3 compares the real-time microscopic image of the flexible display panel 9 with the initial microscopic image of the flexible display panel 9, determines whether the flexible display panel 9 is defective, so as to monitor the condition of the flexible display panel 9 in real time, when the flexible display panel 9 is defective, the control center 3 sends a prompt message at this time and stops performing the bending test on the flexible display panel, the prompt message may include defective generation time, bending test times, defective photo images, and the like, and may be displayed by a display terminal connected to the control center 3, and the control center 3 may also control an alarm device connected to alarm while sending the prompt message, the tester is prompted to have bad production, and the tester judges to continue the test or restart the test according to the prompt information so as to automatically monitor the bending test, and the labor and the time can be effectively saved.
In summary, the bending test system of the flexible display panel of the invention includes two adsorption bending devices, a microscopic image acquisition device and a control center. When the bending test of the flexible display panel is carried out, the first driving device and the second driving device of the adsorption bending device are controlled by the control module to enable the vacuum adsorption strips of the two adsorption bending devices to be located at the edge of the flexible display panel so as to firmly adsorb the flexible display panel. The second driving devices and the first driving devices of the two adsorption bending devices are controlled by the control center, so that various types of bending tests can be performed on the flexible display panel, and meanwhile, the microscopic image acquisition device acquires real-time microscopic images of the flexible display panel in real time. The control center compares the real-time microscopic image with the initial microscopic image, monitors the condition of the flexible display panel in real time, and effectively saves labor and time. The bending test method of the flexible display panel can be used for carrying out various bending tests on the flexible display panel and monitoring the test condition in real time.
As described above, it will be apparent to those skilled in the art that other various changes and modifications may be made based on the technical solution and concept of the present invention, and all such changes and modifications are intended to fall within the scope of the appended claims.
Claims (10)
1. A bending test system of a flexible display panel is characterized by comprising two adsorption bending devices (1) which are oppositely arranged, a microscopic image acquisition device (2) which is arranged above the two adsorption bending devices (1) and a control center (3) which is electrically connected with the microscopic image acquisition device (2);
each adsorption bending device (1) comprises: the device comprises a first horizontal guide rail (11), a second horizontal guide rail (12) parallel to the first horizontal guide rail (11), a sliding block (13) with two ends respectively matched with the first horizontal guide rail (11) and the second horizontal guide rail (12), a vertical guide rail (14) arranged on the upper surface of the sliding block (13), a support (15) sleeved on the vertical guide rail (14), a first driving device (16) electrically connected with a control center (3) and used for driving the support (15) to move along the vertical guide rail (14) and rotate around the vertical guide rail (14), and a second driving device (17) electrically connected with the control center (3) and used for driving the sliding block (13) to move along the first horizontal guide rail (11); the straight lines where the first horizontal guide rails (11) of the two adsorption bending devices (1) are located are parallel or coincident; the support (15) comprises a body (151) sleeved on the vertical guide rail (14), a vacuum control valve (152) arranged on the body (151) and a vacuum adsorption strip (153) arranged at one end of the body (151), wherein a plurality of vacuumizing channels (154) are arranged in the body (151), a plurality of vacuum holes (155) correspondingly communicated with the vacuumizing channels (154) are formed in the lower surface of the vacuum adsorption strip (153), the vacuum control valve (152) is connected with the vacuumizing channels (154), and the vacuum control valve (152) is electrically connected with the control center (3);
the control center (3) is used for controlling the second driving devices (17) of the two adsorption bending devices (1) to drive the sliding block (13) to move along the first horizontal guide rail (11), controlling the first driving devices (16) of the two adsorption bending devices (1) to drive the support (15) to move along the vertical guide rail (14) and rotate around the vertical guide rail (14), enabling the lower surfaces of the vacuum adsorption strips (153) of the two adsorption bending devices (1) to be respectively contacted with the edges of the two sides of the upper surface of the flexible display panel (9), controlling the vacuum control valve (152) to vacuumize a vacuumizing channel (154) and a vacuum hole (155) communicated with the vacuum adsorption strips (153) of the two adsorption bending devices (1), enabling the vacuum adsorption strips (153) of the two adsorption bending devices (1) to adsorb the flexible display panel (9), and controlling the second driving devices (17) and the first driving devices (16) of the two adsorption bending devices (1), and carrying out a bending test on the flexible display panel (9).
2. The bending test system for flexible display panel according to claim 1, wherein an electrically controlled valve (156) is disposed in each vacuum hole (155), and the electrically controlled valve (156) is electrically connected to the control center (3).
3. The bending test system of the flexible display panel according to claim 1, wherein the microscopic image obtaining device (2) comprises: a microscopic image acquisition unit (21) and an image processing unit (22) which is electrically connected with the microscopic image acquisition unit (21) and the control center (3).
4. The bending test system of the flexible display panel according to claim 1, further comprising a manipulator (4) disposed between the two adsorption bending devices (1) and a tray (5) disposed on the manipulator (4).
5. The bending test system of the flexible display panel according to claim 1, wherein the first horizontal guide rails (11) of the two absorption bending devices (1) are located at a straight line which is coincident with each other; the straight lines of the second horizontal guide rails (12) of the two adsorption bending devices (1) are overlapped.
6. A bending test method of a flexible display panel is characterized by comprising the following steps:
step S1, providing the bending test system of the flexible display panel and the flexible display panel (9) as claimed in claim 1;
step S2, arranging the flexible display panel (9) below the microscopic image acquisition device (2);
step S3, the microscopic image acquisition device (2) acquires an initial microscopic image of the flexible display panel (9) and transmits the initial microscopic image to the control center (3);
step S4, the control center (3) acquires the edge position of the flexible display panel (9) according to the initial microscopic image of the flexible display panel (9), controls the second driving devices (17) of the two adsorption bending devices (1) to drive the sliding blocks (13) to move along the first horizontal guide rail (11), controls the first driving devices (16) of the two adsorption bending devices (1) to drive the brackets (15) to move along the vertical guide rail (14) and rotate around the vertical guide rail (14), and enables the lower surfaces of the vacuum adsorption strips (153) of the two adsorption bending devices (1) to be respectively contacted with the edges of two sides of the upper surface of the flexible display panel (9);
step S5, the control center (3) controls the vacuum control valve (152) to vacuumize the vacuuming channel (154) and the vacuum hole (155) which are communicated with the vacuum control valve, so that the vacuum adsorption strips (153) of the two adsorption bending devices (1) adsorb the flexible display panel (9);
step S6, the control center (3) controls the second driving device (17) and the first driving device (16) of the two adsorption bending devices (1) to perform bending test on the flexible display panel (9);
step S7, the microscopic image acquisition device (2) acquires a real-time microscopic image of the flexible display panel (9) and transmits the real-time microscopic image to the control center (3);
and S8, the control center (3) compares the real-time microscopic image of the flexible display panel (9) with the initial microscopic image of the flexible display panel (9), judges whether the flexible display panel (9) is poor, and when the flexible display panel (9) is poor, the control center (3) sends prompt information and stops bending test on the flexible display panel (9).
7. The bending test method of the flexible display panel according to claim 6, wherein an electrically controlled valve (156) is disposed in each vacuum hole (155), and the electrically controlled valve (156) is electrically connected to the control center (3);
in the step S5, the control center (3) controls the vacuum control valve (152) to vacuumize the vacuum channel (154) and the vacuum hole (155) communicated therewith, and at the same time controls the electric control valve (156) in the vacuum hole (155) on the vacuum adsorption strip (153) opposite to the flexible display panel (9) to open, and controls the electric control valve (156) in the vacuum hole (155) on the vacuum adsorption strip (153) except the vacuum hole (155) opposite to the flexible display panel (9) to close.
8. The bending test method of the flexible display panel according to claim 6, wherein the microscopic image obtaining device (2) comprises: the device comprises a microscopic image acquisition unit (21) and an image processing unit (22) which is electrically connected with the microscopic image acquisition unit (21) and a control center (3);
in the step S3, the acquiring of the initial microscopic image of the flexible display panel (9) by the microscopic image acquiring device (2) and the transmitting of the initial microscopic image to the control center (3) specifically include: the microscopic image acquisition unit (21) acquires initial microscopic image data of the flexible display panel (9), and the image processing unit (22) converts the initial microscopic image data of the flexible display panel (9) into corresponding electric signals and transmits the electric signals to the control center (3);
in the step S7, the acquiring of the real-time microscopic image of the flexible display panel (9) by the microscopic image acquiring device (2) and the transmitting of the real-time microscopic image to the control center (3) specifically include: the microscopic image acquisition unit (21) acquires real-time microscopic image data of the flexible display panel (9), and the image processing unit (22) converts the real-time microscopic image data of the flexible display panel (9) into corresponding electric signals and transmits the electric signals to the control center (3).
9. The bending test method of the flexible display panel according to claim 6, wherein the bending test system of the flexible display panel further comprises a manipulator (4) arranged between the two adsorption bending devices (1) and a tray (5) arranged on the manipulator (4);
in the step S2, the specific manner of disposing the flexible display panel (9) below the microscopic image acquisition device (2) is as follows: the flexible display panel (9) is arranged on the tray (5), the tray (5) is moved to the position below the microscopic image acquisition device (2) by the manipulator (4), and the flexible display panel (9) on the tray (5) is arranged below the microscopic image acquisition device (2);
in the step S5, after the flexible display panel (9) is adsorbed by the vacuum adsorption strips (153) of the two adsorption bending devices (1), the manipulator (4) moves the tray (5) away from the lower part of the microscopic image acquisition device (2).
10. The method for testing bending of a flexible display panel according to claim 6, wherein in step S6, the control center (3) controls the second driving devices (17) of the two absorption bending devices (1) to drive the sliders (13) of the two absorption bending devices (1) to move toward and away from each other, so as to perform a U-shaped bending test on the flexible display panel (9); alternatively, the first and second electrodes may be,
the control center (3) controls the second driving devices (17) of the two adsorption bending devices (1) to enable the sliding block (13) of one adsorption bending device (1) of the two adsorption bending devices (1) to be static, and the sliding block (13) of the other adsorption bending device (1) to move along the first horizontal guide rail (11) so as to carry out rolling U-shaped bending test on the flexible display panel (9); alternatively, the first and second electrodes may be,
the control center (3) controls the first driving devices (16) of the two adsorption bending devices (1) to drive the supports (15) of the two adsorption bending devices (1) to rotate in opposite directions, and a torsion test is performed on the flexible display panel (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810054906.XA CN108254274B (en) | 2018-01-19 | 2018-01-19 | Bending test system and bending test method for flexible display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810054906.XA CN108254274B (en) | 2018-01-19 | 2018-01-19 | Bending test system and bending test method for flexible display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108254274A CN108254274A (en) | 2018-07-06 |
| CN108254274B true CN108254274B (en) | 2020-07-28 |
Family
ID=62741568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810054906.XA Active CN108254274B (en) | 2018-01-19 | 2018-01-19 | Bending test system and bending test method for flexible display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108254274B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109272871B (en) * | 2018-10-26 | 2020-03-24 | 武汉华星光电技术有限公司 | Flexible display screen bending jig |
| CN113029812A (en) * | 2021-03-18 | 2021-06-25 | 林贵滨 | Detection apparatus for display screen |
| CN115103052B (en) * | 2022-07-05 | 2023-05-05 | 河海大学 | Folding endurance testing machine and detection method for foldable flexible screen terminal product |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006214795A (en) * | 2005-02-02 | 2006-08-17 | Matsushita Electric Ind Co Ltd | Torsion testing device |
| CN201852737U (en) * | 2010-04-16 | 2011-06-01 | 江苏大学 | Novel material testing machine |
| JP2013064658A (en) * | 2011-09-19 | 2013-04-11 | Yuasa System Kiki Kk | Twist testing apparatus of planar body |
| CN203365253U (en) * | 2013-07-16 | 2013-12-25 | 深圳高品检测设备有限公司 | Mobile phone torsion testing machine |
| KR101375077B1 (en) * | 2013-10-30 | 2014-03-17 | 주식회사 지엔티시스템즈 | Bending examination apparatus for flexible display and examination method using this |
| CN104777050A (en) * | 2015-04-17 | 2015-07-15 | 东北大学 | Low temperature bending and twisting tester and test method for variable resistance films |
| CN204988909U (en) * | 2015-07-31 | 2016-01-20 | 西安科技大学 | Compound loading test machine of panel torsional bending |
| CN106596078A (en) * | 2017-02-15 | 2017-04-26 | 华南理工大学 | OLED device bending test machine |
| CN106783660A (en) * | 2016-12-26 | 2017-05-31 | 武汉华星光电技术有限公司 | The bending test apparatus and bending method of testing of flexible display panels |
| CN107271148A (en) * | 2017-06-15 | 2017-10-20 | 亚杰科技（江苏）有限公司 | A kind of flexible display screen detection device |
-
2018
- 2018-01-19 CN CN201810054906.XA patent/CN108254274B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006214795A (en) * | 2005-02-02 | 2006-08-17 | Matsushita Electric Ind Co Ltd | Torsion testing device |
| CN201852737U (en) * | 2010-04-16 | 2011-06-01 | 江苏大学 | Novel material testing machine |
| JP2013064658A (en) * | 2011-09-19 | 2013-04-11 | Yuasa System Kiki Kk | Twist testing apparatus of planar body |
| CN203365253U (en) * | 2013-07-16 | 2013-12-25 | 深圳高品检测设备有限公司 | Mobile phone torsion testing machine |
| KR101375077B1 (en) * | 2013-10-30 | 2014-03-17 | 주식회사 지엔티시스템즈 | Bending examination apparatus for flexible display and examination method using this |
| CN104777050A (en) * | 2015-04-17 | 2015-07-15 | 东北大学 | Low temperature bending and twisting tester and test method for variable resistance films |
| CN204988909U (en) * | 2015-07-31 | 2016-01-20 | 西安科技大学 | Compound loading test machine of panel torsional bending |
| CN106783660A (en) * | 2016-12-26 | 2017-05-31 | 武汉华星光电技术有限公司 | The bending test apparatus and bending method of testing of flexible display panels |
| CN106596078A (en) * | 2017-02-15 | 2017-04-26 | 华南理工大学 | OLED device bending test machine |
| CN107271148A (en) * | 2017-06-15 | 2017-10-20 | 亚杰科技（江苏）有限公司 | A kind of flexible display screen detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108254274A (en) | 2018-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108254274B (en) | Bending test system and bending test method for flexible display panel | |
| US20190004087A1 (en) | Electronic product test jig | |
| JP3194991U (en) | Improved automatic probe configuration station and method of operation thereof | |
| CN106597706B (en) | Automatic lighting fixture for liquid crystal screen | |
| WO2014007084A1 (en) | Semiconductor inspection system and method for preventing condensation at interface part | |
| CN103345077B (en) | The quality detection device of liquid crystal display module and using method thereof | |
| TW201209429A (en) | Testing method for semiconductor wafer, semiconductor wafer transport device, and semiconductor wafer testing device | |
| CN102004337B (en) | Liquid crystal display (LCD) test fixture and test method thereof | |
| CN203337939U (en) | Detection device of liquid crystal display panel | |
| CN104808361A (en) | Polarizer attaching device for automatic dust removal | |
| CN207502675U (en) | Semi-automatic PCB test machines | |
| CN207799270U (en) | Liquid crystal display panel forces testing device and test system | |
| CN105466946B (en) | Online detection system and method based on machine vision | |
| US7719300B2 (en) | Method for testing a semiconductor wafer and apparatus thereof | |
| CN203084369U (en) | Liquid crystal display (LCD) panel detection device | |
| CN103499894B (en) | Signal wire connector, display panel testing and detection method | |
| CN203857927U (en) | Film test device | |
| CN207248810U (en) | Module silver paste connection test device | |
| CN113399314B (en) | Detection device for diode conduction rate and application method thereof | |
| CN112179843B (en) | Touch screen pasting reliability testing equipment and operation method | |
| CN104181454A (en) | Test method for flexible circuit board anti-winding performance | |
| CN203838446U (en) | Test circuit, display panel and display device | |
| CN215728600U (en) | Multi-chamber TFT photoelectric stability test equipment | |
| CN216771864U (en) | Touch screen detection device | |
| CN219714584U (en) | Torsion testing device for earphone knob |
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 |