CN113624209B - Module flat cable calibration equipment and calibration method - Google Patents
Module flat cable calibration equipment and calibration method Download PDFInfo
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- CN113624209B CN113624209B CN202110956155.2A CN202110956155A CN113624209B CN 113624209 B CN113624209 B CN 113624209B CN 202110956155 A CN202110956155 A CN 202110956155A CN 113624209 B CN113624209 B CN 113624209B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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Abstract
The invention provides a module flat cable calibration device and a calibration method, which are used for calibrating the pose of a flat cable of a display module relative to a display panel, wherein the module flat cable calibration device comprises: the workbench is arranged to support the display module and is provided with a through hole which penetrates up and down and can pass through the flat cable; the flat cable connecting piece is positioned below the workbench and is selectively connected with the flat cable; the driving mechanism is arranged to be connected with the flat cable connecting piece and drives the flat cable connecting piece to move to a plurality of preset positions so as to enable the flat cable to be converted between a plurality of preset positions relative to the display panel; the module picture collecting device is arranged above the workbench and is configured to collect display pictures of the display module when the flat cable connecting piece is at each preset position. The module flat cable calibration equipment and the calibration method realize automatic adjustment of flat cable bending conditions, improve the regulation and control precision, and have important guiding significance for optimizing the bending angle and radian of the flat cable of the display module relative to the display panel.
Description
Technical Field
The invention relates to the technical field of display module testing, in particular to module wire arrangement calibration equipment and a module wire arrangement calibration method.
Background
With the rapid development of technologies in the fields of communication, media, games and the like, the display module is increasingly widely applied to display devices such as smart phones, tablet computers and notebook computers, various technical parameters of a display screen are improved, and especially, the requirements on the image quality of a display picture of a module are also improved, so that the problems of how to avoid the visual defect of the display picture of the module and improving the image quality of the display picture are the urgent needs of the current industry.
The visual defects of the module display screen are usually represented by low contrast, non-uniform brightness area, blurred edges, etc., which cause visual discomfort to the observer, so that the above visual defects need to be avoided to prevent the abnormality of the module display screen. The module comprises a display panel and a flat cable connected with the display panel in a bending way, the display picture condition of the module is related to the bending condition of the flat cable, and the abnormal display picture of the module can be caused by poor bending of the flat cable relative to the module. At present, manual adjustment is usually performed on the bending condition of the flat cable, but the manual adjustment cannot be accurately and effectively regulated, and the adjusted result cannot be predicted.
Disclosure of Invention
In order to solve the above technical problems, the present invention is directed to a module flat cable calibration device and a calibration method thereof, so as to solve the problems of poor accuracy and unknown adjustment result when manually adjusting the flat cable bending condition.
In order to achieve one of the above objects, the present invention provides a module flat cable calibration apparatus for calibrating a pose of a flat cable of a display module relative to a display panel, the module flat cable calibration apparatus comprising:
the workbench is arranged for supporting the display module, and is provided with a through hole which penetrates up and down and can pass through the flat cable;
the flat cable connecting piece is positioned below the workbench and is selectively connected with the flat cable;
the driving mechanism is connected with the flat cable connecting piece and drives the flat cable connecting piece to move to a plurality of preset positions so as to enable the flat cable to be converted between a plurality of preset positions relative to the display panel;
the module picture collecting device is arranged above the workbench and is configured to collect the display picture of the display module when the flat cable connecting piece is at each preset position.
As a further improvement of an embodiment of the present invention, the workbench includes a table top, and a display module fixing assembly detachably mated with the table top, the display module fixing assembly being configured to connect with the display module and light the display module.
As a further improvement of an embodiment of the present invention, the module flat cable calibration apparatus further includes a pose acquisition device located below the table top, and the pose acquisition device includes a first camera module.
As a further improvement of an embodiment of the present invention, the pose acquisition device further includes a first motion module, and the first motion module drives the first camera module to move along a direction perpendicular to the table top.
As a further improvement of an embodiment of the present invention, the flat cable connector is a vacuum chuck, and the vacuum chucks are provided in plurality and are arranged in a matrix.
As a further improvement of an embodiment of the present invention, the driving mechanism selectively drives the flat cable connector to move along the X-axis, the Y-axis and the Z-axis, so as to translate the flat cable connector relative to the display module fixing assembly; and/or the driving mechanism drives the flat cable connecting piece to rotate relative to the display module fixing assembly.
As a further improvement of an embodiment of the present invention, the module frame capturing device includes a second camera module and a second motion module, where the second motion module drives the second camera module to move along at least one of an X axis, a Y axis, and a Z axis.
In order to achieve one of the above objects, an embodiment of the present invention further provides a module flat cable calibration method, including the steps of:
placing a display panel of a display module on a workbench, and enabling a flat cable of the display module to pass through the workbench;
the control flat cable connecting piece is connected with the flat cable;
driving the flat cable connecting piece to move to a plurality of preset positions under the lighting state of the display module so as to enable the flat cable to be converted between a plurality of preset positions relative to the display panel;
and collecting the display pictures of the display module when the flat cable connecting piece is at each preset position.
As a further improvement of an embodiment of the present invention, the module flat cable calibration method further includes the steps of: comparing each acquired display picture with a preset picture;
and calculating the similarity between each display picture and the preset picture.
As a further improvement of an embodiment of the present invention, the module flat cable calibration method further includes the steps of: acquiring actual pose information of the flat cable when the flat cable connecting piece is at each preset position;
and calculating the error between each preset pose and the corresponding actual pose, and compensating.
Compared with the prior art, the invention has the following beneficial effects: according to the module flat cable calibration equipment and the calibration method, the display module is supported on the workbench, the driving mechanism drives the flat cable connecting piece to move to a plurality of preset positions, so that the flat cable is driven to be converted between a plurality of preset positions relative to the display panel, the display pictures of the display module are synchronously collected when the flat cable connecting piece is at each preset position, the one-to-one correspondence between the preset positions of the flat cable connecting piece, the preset positions of the flat cable and the display pictures of the display module is established, the automatic adjustment of the flat cable bending condition is realized, the regulation precision is improved, the display pictures of the display module after adjustment are also collected, the picture quality of each display picture is further analyzed, and the method has important guiding significance for optimizing the bending angle and radian of the flat cable of the display module relative to the display panel.
Drawings
FIG. 1 is a schematic perspective view of a module flat cable calibration apparatus according to an embodiment of the present invention;
FIG. 2 is an exploded view of a modular flat cable calibration apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a display module fixing assembly according to an embodiment of the invention;
FIG. 4 is an exploded view of a display module fixing assembly according to an embodiment of the invention;
FIG. 5 is a schematic diagram illustrating a portion of a module flat cable calibration apparatus according to an embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating a driving mechanism, a connecting member and a flat cable connector according to an embodiment of the present invention;
FIG. 7 is an enlarged schematic view of portion A of FIG. 6;
FIG. 8 is a schematic diagram illustrating a structure of a flat cable connector acting on a module flat cable according to an embodiment of the present invention;
FIG. 9 is an enlarged schematic view of portion B of FIG. 8;
FIG. 10 is a schematic diagram illustrating a structure of a module frame and a frame according to an embodiment of the present invention;
FIG. 11 is a flowchart of a module flat cable calibration method according to the present invention.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings.
In the various illustrations of the invention, certain dimensions of structures or portions may be exaggerated relative to other structures or portions for convenience of illustration, and thus serve only to illustrate the basic structure of the inventive subject matter.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements or structures, these described elements should not be limited by these terms. These terms are only used to distinguish one such descriptive object from another.
Referring to fig. 1 to 9, in the module flat cable calibration apparatus 100 according to an embodiment of the present invention, the flat cable 202 of the display module 200 is calibrated with respect to the pose of the display panel 201, where the pose of the flat cable 202 with respect to the display panel 201 includes the position and angle of the flat cable 202 with respect to the display panel 201, and the bending condition of the flat cable 202 with respect to the display panel 201 satisfies the requirement of the display screen of the display module 200 by calibrating the pose of the flat cable 202 with respect to the display panel 201, so as to avoid the visual defect of the display screen of the display module 200 and prevent the abnormal display screen of the display module 200.
The module flat cable calibration device 100 comprises a workbench 1, a module picture acquisition device 3, a flat cable connecting piece 4 and a driving mechanism 5.
Specifically, the table 1 includes a table top 11 and legs supporting the table top 11, and the table top 11 is provided with an opening through which the flat cable 202 passes.
For convenience of description, in the present embodiment, description will be made taking an example that the table 1 is horizontally placed on the ground, and then the table top 11 is parallel to the ground, the direction from the ground toward the table top 11 is defined as up, and the direction from the table top 11 toward the ground is defined as down.
Wherein the table 1 is provided to support the display module 200, and the table 1 is provided with a through hole penetrating up and down and passing through the flat cable 202 so that the flat cable 202 passes through the table 1 from the through hole.
The flat cable connection 4 is located below the workbench 1 and is selectively connected with the flat cable 202, so that the flat cable 202 can be driven to move relative to the display panel 201. When the flat cable 202 passes through the workbench 1 from the through hole, the flat cable connector 4 can be close to the flat cable 202 and connected with the flat cable 202; if the display module 200 is calibrated, the flat cable connector 4 is separated from the flat cable 202, so that the display module 200 can be taken out from the workbench 100.
The driving mechanism 5 is configured to be connected to the flat cable connector 4, and drives the flat cable connector 4 to move to a plurality of preset positions, so that the flat cable 202 is switched between a plurality of preset positions relative to the display panel 201, that is, each preset position of the flat cable connector 4 corresponds to a preset position of the flat cable 202, wherein the information of each preset position includes a bending angle and a bending radian of the flat cable 202 relative to the display panel 201.
The module frame collection device 3 is used for collecting the display frame of the display module 200 after being lightened, the module frame collection device 3 is arranged above the workbench 1, and specifically, the module frame collection device 3 is connected with the upper surface of the table top 11. In this embodiment, the module frame collection device 3 is configured to collect the display frames of the display module 200 when the flat cable connector 4 is at each preset position, that is, the preset positions of the flat cable connector 4 and the preset positions of the flat cable 202 are in one-to-one correspondence with the display frames of the display module 200.
The display module 200 is supported on the workbench 1, and the driving mechanism 5 drives the flat cable connecting piece 4 to move to a plurality of preset positions, so that the flat cable 202 is driven to be converted between a plurality of preset positions relative to the display panel 201, the display pictures of the display module 200 are synchronously collected when the flat cable connecting piece 4 is at each preset position, and a one-to-one correspondence relationship among the preset positions of the flat cable connecting piece 4, the preset positions of the flat cable 202 and the display pictures of the display module 200 is established, so that not only is the automatic adjustment of the bending condition of the flat cable 202 realized, but also the regulation precision is improved, and the display pictures of the display module 200 after the adjustment are collected, so that the picture quality of each display picture is further analyzed, and the method has important guiding significance for optimizing the bending angle and radian of the flat cable 202 of the display module 200 relative to the display panel 201.
The table 1 further includes a display module fixing assembly 2 detachably engaged with the table top 11, and the display module fixing assembly 2 is configured to connect with the display module 200 and light the display module 200.
Referring to fig. 1, in the present embodiment, the display module fixing assembly 2 is embedded in the table top 11 of the table 1 and penetrates the table top 11 up and down, and the display panel 201 of the display module 200 is fixed by the table top 11 to limit the movement of the display panel 201 relative to the table top 11. The display module fixing assembly 2 is provided with a groove for fixing the display panel 200, and the through hole penetrates through the groove so that the flat cable 202 passes through, thereby facilitating adjustment of the pose of the flat cable 202 relative to the display panel 201.
In other embodiments, the lower surface of the display module fixing assembly 2 may be higher than the lower surface of the table top 11 in the up-down direction, so that the through hole needs to penetrate the display module fixing assembly 2 and the table top 11 up and down, so that the flat cable 202 penetrates the lower surface of the table top 11 from the through hole when the display module 200 is mounted on the display module fixing assembly 2.
Referring to fig. 3 to 4, the display module fixing assembly 2 includes a module placement board 21, a module placement board adapter board 22, a module testing main display panel 23, and a module testing transfer display panel 24, wherein the module placement board adapter board 22 is embedded in the table top 11 of the table 1 to limit the movement of the module placement board adapter board 22 relative to the table top 11; the module placing plate 21 is embedded in the module placing plate adapting plate 22 so as to limit the movement of the module placing plate 21 relative to the module placing plate adapting plate 22; the display module 200 is embedded in the module placement plate 21 to limit the movement of the display module 200 relative to the module placement plate 21, thereby achieving the fixing function of the display module 200 and avoiding the movement of the display module 200 relative to the table top 11 during operation. The module testing transfer display panel 24 is connected with the module placing plate 21, and the display module 200 testing motherboard is connected with the module placing plate transfer plate 22 to realize signal transfer.
The through holes vertically penetrate through the module placing plate 21 and the module placing plate adapter plate 22 to allow the flat cable 202 to pass through, so that the flat cable connector 4 is convenient to connect with the flat cable 202, and the through holes allow the flat cable 202 to move relative to the display panel 201.
Further, the module flat cable calibration device 100 further includes a pose acquisition device 6 located below the table 11, so as to acquire actual pose information of the flat cable 202 relative to the display panel 201 when the flat cable connector 4 is at each preset position, so as to calculate an error between each preset pose and an actual pose corresponding to the preset pose, and perform compensation, so that the acquired display image of the display module 200 does not correspond to the pose of the flat cable 202 due to the error between the actual pose and the preset pose, and cannot play a role in correct guidance.
Referring to fig. 1, to clearly express the positions and directions described in the present application, a Z axis is defined to be perpendicular to the table top 11, and X, Y and Z axes are defined to be mutually orthogonal in a plane perpendicular to the Z axis, which are in accordance with the right hand rule.
In detail, referring to fig. 5, the pose acquisition device 6 includes a first camera module 61, and acquires images of the flat cable connector 4 and the flat cable 202 through the first camera module 61, so as to acquire actual pose information of the flat cable 202 when the flat cable connector 4 is at each preset position, so as to compensate for an error between each preset pose and the actual pose of the flat cable 202.
Preferably, the pose acquisition device 6 further includes a light source 62, and the light source 62 supplements light for the first camera module 61, so that the controller can acquire accurate pose information. In the present embodiment, the first image capturing module 61 is a photographing camera, and the light source 62 is interconnected with the first image capturing module 61.
Further, the pose acquisition device 6 further includes a first movement module 63, and the first movement module 63 drives the first camera module 61 to move along a direction perpendicular to the table top 11, that is, along the Z-axis, so as to achieve focusing.
Of course, the first movement module 63 may be further configured to drive the first image capturing module 61 to move along at least one of the X axis and the Y axis, so that the first image capturing module 61 can be adjusted to be located at an optimal capturing view angle, thereby avoiding the capturing of the pose by the capturing angle.
Specifically, in this embodiment, the first movement module 63 includes a Z-direction lifting sliding table, and in other embodiments, the first movement module 63 may also be selectively provided with an X-direction driving module and a Y-direction driving module according to needs.
Further, the module flat cable calibration device 100 further includes a controller, which is connected to the driving mechanism 5, the module frame acquisition device 3, and the pose acquisition device 6, and is configured to:
the control flat cable connecting piece 4 is connected with the flat cable 202;
the control module is lightened, and in the lightened state of the display module, the driving mechanism 5 is controlled to drive the flat cable connecting piece 4 to move to a plurality of preset positions so as to enable the flat cable 202 to be converted between a plurality of preset positions relative to the display panel 201;
and acquires the display image of the display module 200 acquired by the module image acquisition device 3 when the flat cable connection member 4 is at each preset position.
Further, the controller is further configured to:
comparing each acquired display picture with a preset picture;
calculating the similarity between each display picture and the preset picture;
generating a change trend graph of pose information and similarity of the flat cable 202;
the preset pose of the flat cable 202 corresponding to the display screen with the highest similarity is selected as the final pose of the flat cable 202 corresponding to the display panel 201.
Further, the controller is further configured to:
acquiring actual pose information of the flat cable 202 acquired by the pose acquisition device 6 when the flat cable connecting piece 4 is at each preset position;
and calculating the error between each preset pose and the corresponding actual pose, and compensating.
Through the controller, the automatic control of the module flat cable calibration device 100 is realized, and the intelligence and the accuracy of the module flat cable calibration device 100 are improved.
Further, the flat cable connector 4 is an absorbing member, and the flat cable 202 and the flat cable connector 4 are connected by the absorbing force of the absorbing member, so that not only can the flat cable 202 and the flat cable connector 4 move synchronously, but also the flat cable connector 4 can be prevented from damaging the flat cable 202 when the flat cable 202 is fixed.
Referring to fig. 6 to 9, the flat cable connection member 4 is preferably a vacuum chuck 41, which not only provides sufficient suction force, but also prevents damage to the flat cable 202. In use, the driving mechanism 5 first drives the vacuum chuck 41 to move below the flat cable 202, then drives the vacuum chuck 41 up to approach the flat cable 202 and causes a vacuum to be formed between the vacuum chuck 41 and the flat cable 202, and secures the flat cable 202 and the vacuum chuck 41 together under negative pressure.
Further, the vacuum chuck 41 is provided in plurality to enhance the suction of the flat cable 202.
Preferably, in the present embodiment, the plurality of vacuum chucks 41 are arranged in a matrix, and in particular, the plurality of vacuum chucks 41 may be arranged in one row or may be arranged in a plurality of rows. Of course, the arrangement of the plurality of vacuum chucks 41 is not limited thereto. In other embodiments, the plurality of vacuum chucks 41 may be arranged in a circular shape, a triangular shape, a special shape, etc. according to the shape of the flat cable 202, the suction force of the vacuum chucks 41, etc.
Further, the driving mechanism 5 selectively drives the flat cable connector 4 along the X-axis, the Y-axis and the Z-axis to translate the flat cable connector 4 relative to the display module fixing assembly 2.
In particular, in conjunction with fig. 5 to 6, the driving mechanism 5 includes an X-direction moving member 51, a Y-direction moving member 52, and a Z-direction moving member 53. Wherein, the X-direction moving part 51 can drive the flat cable connecting piece 4 to move along the X-axis, so that the flat cable 202 can translate along the X-axis relative to the display panel 201; the Y-direction moving part 52 can drive the flat cable connecting piece 4 to move along the Y axis, so that the flat cable 202 can translate along the Y axis relative to the display panel 201; the Z-direction moving part 53 can drive the flat cable connecting piece 4 to move along the Z axis, so that the flat cable 202 can translate along the Z axis relative to the display panel 201;
further, the driving mechanism 5 may further drive the flat cable connector 4 to rotate relative to the display module fixing assembly 2, so that the flat cable 202 may rotate relative to the display panel 201.
Specifically, the driving mechanism 5 further includes a rotating member 54, and the rotating member 54 can drive the flat cable connector 4 to rotate relative to the display module fixing assembly 2.
Preferably, in the present embodiment, the driving mechanism 5 includes an X-direction moving member 51, a Y-direction moving member 52, a Z-direction moving member 53, and a rotating member 54. In this way, the driving mechanism 5 drives the flat cable connector 4 to translate or rotate relative to the display module fixing assembly 2, so that the flat cable 202 can move relative to the display panel 201 in multiple degrees of freedom, and the flat cable connector 4 can be driven to move to multiple preset positions, so as to drive the flat cable 202 to switch among multiple preset positions, and meanwhile, the flat cable 202 can switch according to the positions of each preset position in the X direction, the Y direction and the Z direction and the bending angles relative to the display panel 201.
Specifically, in this embodiment, the Z-moving member 53 may be a Z-lifting sliding table, and in other embodiments, the Z-moving member 53 may be configured in other manners, as long as the flat cable connector 4 can be driven to translate along the Z-axis relative to the display module fixing assembly 2.
In this embodiment, the X-direction moving member 51 and the Y-direction moving member 52 are integrally configured as an XY-direction translation sliding table, however, in other embodiments, the X-direction moving member 51 and the Y-direction moving member 52 may be configured in other manners, as long as the translation of the drivable wire arranging connector 4 along the X-axis and the Y-axis relative to the display module fixing assembly 2 is achieved.
The module flat cable calibration apparatus 100 further comprises a connection mechanism 7 for connecting the driving mechanism 5 and the flat cable connection member 4, wherein the connection mechanism 7 drives the flat cable connection member 4 to move relative to the display module fixing assembly 2 under the driving of the driving mechanism 5.
With reference to fig. 10, further, the module frame capturing device 3 includes a second camera module 31 and a second motion module 32, where the second camera module 31 is configured to capture a display frame of the display module 200, and the second motion module 32 drives the second camera module 31 to move along at least one of an X axis, a Y axis and a Z axis, so that the second camera module 31 can be adjusted to be located at an optimal shooting angle, thereby avoiding the influence of the shooting angle on the image quality of the display frame of the display module 200.
Preferably, in the present embodiment, the second movement module 32 includes an XY-direction adjustment sliding table 321 and a Z-direction adjustment screw 322, so as to selectively adjust the movement direction of the second image capturing module 31 according to the relative positions of the second image capturing module 31 and the display module 200. Of course, the specific structure of the second movement module 32 is not limited thereto, as long as driving the second image pickup module 31 along the X-axis, the Y-axis, and the Z-axis can be achieved.
In this embodiment, the module flat cable calibration apparatus 100 further includes a supporting frame 8 for supporting the second camera module 31, and the supporting member is disposed on the surface 11 of the table 1, so that a certain distance is provided between the second camera module 31 and the display module 200, so as to collect the display screen of the display module 200.
Referring to fig. 11, another embodiment of the present invention further provides a module flat cable calibration method, including the steps of:
placing the display panel 201 of the display module 200 on the workbench 1, and passing the flat cable 202 of the display module 200 through the workbench 1;
the control flat cable connecting piece 4 is connected with the flat cable 202;
in the lighting state of the display module 200, the flat cable connection member 4 is driven to move to a plurality of preset positions, so that the flat cable 202 is converted between a plurality of preset positions relative to the display panel 201;
and collecting the display pictures of the display module 200 when the flat cable connecting piece 4 is at each preset position.
In this way, the display module 200 is placed on the workbench 1, and the flat cable connector 4 is controlled to move to a plurality of preset positions, so that the flat cable 202 is driven to be converted between a plurality of preset positions relative to the display panel 201, the display pictures of the display module 200 when the flat cable connector 4 is at each preset position are synchronously collected, a one-to-one correspondence between the preset positions of the flat cable connector 4, the preset positions of the flat cable 202 and the display pictures of the display module 200 is established, automatic adjustment of the bending condition of the flat cable 202 is realized, the regulation precision is improved, the display pictures of the display module 200 after adjustment are also collected, the picture quality of each display picture is further analyzed, and the method has important guiding significance for optimizing the bending angle and radian of the flat cable 202 of the display module 200 relative to the display panel 201.
Specifically, the flat cable 202 may be passed through the through hole of the table 1, so that the flat cable 202 may be led out of the table 1, and the flat cable 202 may be bent toward the side of the table 11 facing away from the display panel 201; the flat cable connecting piece 4 is driven to move to a plurality of preset positions by controlling the driving mechanism 5; and the module picture collecting device 3 collects the display picture of the display module 200 when the flat cable connecting piece 4 is at each preset position.
Further, the module flat cable calibration method further comprises the steps of:
comparing each acquired display picture with a preset picture;
calculating the similarity between each display picture and the preset picture;
and further generates a trend graph of the pose information and the similarity of the flat cable 202;
the preset pose of the flat cable 202 corresponding to the display screen with the highest similarity is selected as the final pose of the flat cable 202 corresponding to the display panel 201.
Further, the module flat cable calibration method further comprises the steps of:
acquiring actual pose information of the flat cable 202 when the flat cable connecting piece 4 is at each preset position;
and calculating the error between each preset pose and the corresponding actual pose, and compensating.
In this way, errors between the actual pose and the preset pose can be avoided, so that the acquired display picture of the display module 200 does not correspond to the pose of the flat cable 202, and the accuracy of module flat cable calibration is improved.
Specifically, the pose information of the flat cable 202 relative to the display panel 201 when the flat cable connector 4 is at each preset position can be collected by the pose collecting device 6 located below the table top 11.
Further, the step of "driving the flat cable connection member 4 to move to a plurality of preset positions" specifically includes: the flat cable connector 4 is driven to translate to a plurality of preset positions along the X-axis, the Y-axis and the Z-axis relative to the display panel 201, so as to adjust the flat cable 202 to translate relative to the display panel 201, thereby realizing the conversion of the flat cable 202 between a plurality of preset positions relative to the display panel 201.
Further, the step of "driving the flat cable connection 4 to move to the plurality of preset positions" further includes: the flat cable connector 4 is driven to rotate to a plurality of preset positions relative to the display panel 201, so that the flat cable 202 is adjusted to rotate relative to the display panel 201, and the flat cable 202 is converted between a plurality of preset positions relative to the display panel 201.
Compared with the prior art, the module flat cable calibration device 100 and the module flat cable calibration method provided by the invention have the beneficial effects that: the display module 200 is supported on the workbench 1, and the driving mechanism 5 drives the flat cable connecting piece 4 to move to a plurality of preset positions, so that the flat cable 202 is driven to be converted between a plurality of preset positions relative to the display panel 201, the display pictures of the display module 200 are synchronously collected when the flat cable connecting piece 4 is at each preset position, and a one-to-one correspondence relationship among the preset positions of the flat cable connecting piece 4, the preset positions of the flat cable 202 and the display pictures of the display module 200 is established, so that not only is the automatic adjustment of the bending condition of the flat cable 202 realized, but also the regulation precision is improved, and the display pictures of the display module 200 after the adjustment are collected, so that the picture quality of each display picture is further analyzed, and the method has important guiding significance for optimizing the bending angle and radian of the flat cable 202 of the display module 200 relative to the display panel 201.
It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.
The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.
Claims (9)
1. A module winding displacement calibration device for calibrating the pose of a winding displacement of a display module relative to a display panel, the module winding displacement calibration device comprising:
the workbench is arranged for supporting the display module, and is provided with a through hole which penetrates up and down and can pass through the flat cable;
the flat cable connecting piece is positioned below the workbench and is selectively connected with the flat cable;
the driving mechanism is connected with the flat cable connecting piece and drives the flat cable connecting piece to move to a plurality of preset positions so as to enable the flat cable to be converted between a plurality of preset positions relative to the display panel;
the module picture acquisition device is arranged above the workbench and is configured to acquire the display picture of the display module when the flat cable connecting piece is at each preset position;
the controller is respectively connected with the driving mechanism and the module picture acquisition device and is used for:
comparing each acquired display picture with a preset picture;
calculating the similarity between each display picture and the preset picture;
generating a change trend graph of the pose information and the similarity of the flat cable;
and selecting a preset pose of the flat cable corresponding to the display picture with the highest similarity as the finally determined pose of the flat cable relative to the display panel.
2. The module flat cable calibration apparatus of claim 1, wherein the table comprises a table top, and a display module securing assembly removably mated with the table top, the display module securing assembly configured to couple to the display module and illuminate the display module.
3. The modular flat cable calibration apparatus of claim 2, further comprising a pose acquisition device located below the table top, the pose acquisition device comprising a first camera module.
4. A modular flat cable calibration apparatus according to claim 3, wherein the pose acquisition device further comprises a first movement module which drives the first camera module to move in a direction perpendicular to the table top.
5. The modular flat cable calibration apparatus of claim 1, wherein the flat cable connector is a vacuum chuck, wherein a plurality of vacuum chucks are provided, and wherein a plurality of vacuum chucks are arranged in a matrix.
6. The modular cable calibration apparatus of claim 2, wherein the drive mechanism selectively drives the cable connector to move along the X, Y and Z axes to translate the cable connector relative to the display module fixing assembly;
and/or the driving mechanism drives the flat cable connecting piece to rotate relative to the display module fixing assembly.
7. The modular flat cable calibration apparatus of claim 1, wherein the modular frame capture device includes a second camera module and a second motion module, the second motion module driving the second camera module to move along at least one of an X-axis, a Y-axis, and a Z-axis.
8. The module flat cable calibration method is characterized by comprising the following steps:
placing a display panel of a display module on a workbench, and enabling a flat cable of the display module to pass through the workbench;
the control flat cable connecting piece is connected with the flat cable;
driving the flat cable connecting piece to move to a plurality of preset positions under the lighting state of the display module so as to enable the flat cable to be converted between a plurality of preset positions relative to the display panel;
collecting display pictures of the display module when the flat cable connecting piece is at each preset position;
comparing each acquired display picture with a preset picture;
calculating the similarity between each display picture and the preset picture;
generating a change trend graph of the pose information and the similarity of the flat cable;
and selecting a preset pose of the flat cable corresponding to the display picture with the highest similarity as the finally determined pose of the flat cable relative to the display panel.
9. The method of calibrating a modular flat cable of claim 8, further comprising the steps of:
acquiring actual pose information of the flat cable when the flat cable connecting piece is at each preset position;
and calculating the error between each preset pose and the corresponding actual pose, and compensating.
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