CN115359730B - Miniled high-precision splicing method and Miniled high-precision splicing device - Google Patents
Miniled high-precision splicing method and Miniled high-precision splicing device Download PDFInfo
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- CN115359730B CN115359730B CN202210981020.6A CN202210981020A CN115359730B CN 115359730 B CN115359730 B CN 115359730B CN 202210981020 A CN202210981020 A CN 202210981020A CN 115359730 B CN115359730 B CN 115359730B
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- 238000000034 method Methods 0.000 title claims abstract description 62
- 230000003287 optical effect Effects 0.000 claims abstract description 173
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 158
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 158
- 238000001179 sorption measurement Methods 0.000 claims description 123
- 239000011521 glass Substances 0.000 claims description 71
- 239000000758 substrate Substances 0.000 claims description 71
- 238000001514 detection method Methods 0.000 claims description 59
- 230000000007 visual effect Effects 0.000 claims description 24
- 239000003550 marker Substances 0.000 claims description 7
- 238000013461 design Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 8
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 13
- 238000010586 diagram Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000010030 laminating Methods 0.000 description 7
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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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
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
-
- 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
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The application relates to Miniled high-precision splicing method and device, which are used for determining first position coordinates of a Miniled optical display panel; determining a second position coordinate of the attached aluminum frame; adjusting the position of the attached aluminum frame; and placing and attaching Miniled optical display panels on the attached aluminum frame. The position accuracy of the Miniled optical display panel relative to the attached aluminum frame is guaranteed; the scalability of Miniled optical display panel splicing is guaranteed, and the splicing can be realized in an infinite way in theory; the quality of Miniled display devices obtained after splicing is guaranteed to be flawless, and the display of two Miniled optical display panels at the splicing gap is kept consistent, so that Miniled high-precision splicing is realized; the installation efficiency of the spliced display screen is improved, an automatic installation mode is realized by matching, the splice between the display units is guaranteed to be of a seamless design, and the reject ratio of products is greatly reduced.
Description
Technical Field
The application relates to the Miniled splicing field, in particular to a Miniled high-precision splicing method and device.
Background
In the application of the spliced products of the optical display, various industries and various fields in life are involved, such as: a monitoring system in security engineering is disclosed, which can display the individual conference persons holding the multi-person video conference in the conference room, and can display various exhibits in the exhibition hall at the same time. When the spliced product is widely applied, the conventional product splicing form is mainly divided into two types: firstly, the conventional displays are directly spliced for use, namely, a plurality of displays are directly arranged on a background wall, and the displays are connected with a signal source; and secondly, a liquid crystal spliced screen is used.
However, the conventional spliced product cannot realize the cross-screen display. In addition, for the display structure of Miniled (also called Mini-LED, mini light emitting diode) or the splicing of Miniled optical display panels, because the pixel center distance is smaller and is generally defined as 0.3mm to 1.5mm, the distance between two adjacent Miniled optical display panels must be kept to be the pixel center distance during alignment splicing, that is, the distance between the adjacent two Miniled optical display panels is 0.3mm to 1.5mm, so that the quality of the Miniled display device obtained after splicing is ensured to be flawless, and the display of two Miniled optical display panels at the splicing gap is kept consistent, which puts high requirements on automatic splicing, and the conventional splicing method is difficult to meet the requirements of the accuracy, so that the point distance between the pixel center distances of the spliced Miniled display devices may be changed at the splicing gap, and the display effect is affected.
Disclosure of Invention
Based on this, it is necessary to provide Miniled high-precision splicing method and device.
A Miniled high-precision splicing method comprises the following steps:
s100, shooting preset distributed reference mark positions on a glass adsorption substrate, and obtaining reference position coordinates of the glass adsorption substrate;
s200, miniled, placing an optical display panel on a feeding adsorption platform;
S300, vacuum adsorbing Miniled the optical display panel by adopting a feeding adsorption platform, and moving to a first shooting detection position;
S400, shooting Miniled at least three first mark positions of the optical display panel at a first shooting detection position, and determining Miniled first position coordinates of the optical display panel;
s500, calculating the corresponding relation between the first position coordinate and the reference position coordinate, adjusting Miniled the position of the optical display panel, and vacuum-adsorbing the Miniled optical display panel by adopting a glass adsorption substrate;
s600, placing the attached aluminum frame, and moving the vacuum adsorption attached aluminum frame to a second shooting detection position;
S700, shooting at least three second mark positions of the attached aluminum frame at a second shooting detection position, and determining second position coordinates of the attached aluminum frame;
S800, calculating the corresponding relation between the second position coordinate and the reference position coordinate, and adjusting the position of the attached aluminum frame;
s900, placing and attaching Miniled optical display panels on the attached aluminum frame.
According to the Miniled high-precision splicing method, through accurate alignment control and attached aluminum frame arrangement, on one hand, the position accuracy of the Miniled optical display panel relative to the attached aluminum frame is guaranteed; on the other hand, the scalability of Miniled optical display panel splicing is guaranteed, and theoretically infinite splicing can be realized; on the other hand, the quality of Miniled display devices obtained after splicing is guaranteed to be free from flaws, and the two Miniled optical display panels at the splice gap are consistent in display, so that Miniled high-precision splicing is realized; on the other hand, the installation efficiency of the spliced display screen is improved, an automatic installation mode is realized by matching, the splice between the display units is guaranteed to be of a seamless design, and the reject ratio of products is greatly reduced.
Further, in one embodiment, after step S100 and before step S200, the Miniled high-precision stitching method further includes the steps of: s110, judging whether the joint aluminum frame is spliced according to a splicing plan, if yes, outputting the spliced joint aluminum frame, otherwise, executing step S200; or after step S900, the Miniled high-precision splicing method further includes the steps of: s910, judging whether the display device with the attached aluminum frame pair Miniled is spliced, otherwise, continuing to execute the step S200.
In one embodiment, in step S200, after Miniled the optical display panel is placed on the loading adsorption platform, the Miniled optical display panel is also aligned laterally; and/or the number of the groups of groups,
In step S600, after the bonded aluminum frame is placed, the bonded aluminum frame is also aligned laterally.
In one embodiment, a camera is used to shoot the first mark position and the second mark position at the position where the light condensing barrel is avoided from the round angle.
In one embodiment, in step S400, at least three first mark positions of the Miniled optical display panel are photographed only once at the first photographing detection position; and/or the number of the groups of groups,
In step S700, at least three second mark positions attached to the aluminum frame are photographed at two second photographing detection positions, respectively.
In one embodiment, in step S500, the position of Miniled the optical display panel relative to the glass adsorption substrate is adjusted; and/or the number of the groups of groups,
In step S800, the position of the attached aluminum frame relative to the glass adsorption substrate is adjusted to control the position of the attached aluminum frame relative to the Miniled optical display panel.
In one embodiment, the first flag bit and the second flag bit are embedded in a concave-convex manner.
In one embodiment, one of the first marking bit and the second marking bit is a groove, and the other one protrudes into the groove.
In one embodiment, in step S700, when determining the second position coordinates of the attached aluminum frame, determining the attached position of the current Miniled optical display panel; and
After step S900, the Miniled high-precision splicing method further includes step S910: and judging whether the display device of the attached aluminum frame pair Miniled is spliced, otherwise, continuing to execute the step S200.
In one embodiment, in step S700, when determining the second position coordinates of the bonded aluminum frame, the bonding positions of the respective Miniled optical display panels on the bonded aluminum frame are allocated according to the second position coordinates.
In one embodiment, a Miniled high-precision stitching device includes:
An independent Miniled optical display feeding tool is used for providing a feeding adsorption platform, and a Miniled optical display panel is placed on the feeding adsorption platform;
The multi-position integrated Miniled optical display combined adsorption tool is used for providing a glass adsorption substrate, vacuum adsorbing the Miniled optical display panel and moving to a first shooting detection position;
The multi-position integrated aluminum frame attaching and positioning tool is used for providing an attached aluminum frame, placing the attached aluminum frame, aligning the side edges of the attached aluminum frame, and moving the attached aluminum frame to a second shooting detection position through vacuum adsorption;
The feeding visual positioning module is used for shooting preset distributed reference mark positions on the glass adsorption substrate and obtaining reference position coordinates of the glass adsorption substrate; shooting Miniled at least three first mark positions of the optical display panel at a first shooting detection position, and determining Miniled first position coordinates of the optical display panel; calculating the corresponding relation between the first position coordinate and the reference position coordinate, and adjusting Miniled the position of the optical display panel; and
The position-changing aluminum frame visual positioning module is used for shooting at least three second mark positions of the attached aluminum frame at a second shooting detection position and determining second position coordinates of the attached aluminum frame; calculating the corresponding relation between the second position coordinate and the reference position coordinate, and adjusting the position of the attached aluminum frame; the multi-position integrated Miniled optical display combined adsorption tool is also used for placing and attaching the Miniled optical display panel on the attached aluminum frame through the glass adsorption substrate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments or the conventional techniques of the present application, the drawings required for the descriptions of the embodiments or the conventional techniques will be briefly described below, and it is apparent that the drawings in the following descriptions are only some embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
Fig. 1 is a flow chart of an embodiment of a Miniled high-precision splicing method according to the present application.
Fig. 2 is a flow chart of another embodiment of the Miniled high-precision splicing method according to the present application.
Fig. 3 is a flowchart of another embodiment of the Miniled high-precision splicing method according to the present application.
Fig. 4 is a flowchart of another embodiment of the Miniled high-precision splicing method according to the present application.
Fig. 5 is a flowchart of another embodiment of the Miniled high-precision splicing method according to the present application.
Fig. 6 is a flowchart of another embodiment of the Miniled high-precision splicing method according to the present application.
Fig. 7 is a schematic structural frame diagram of an embodiment of a Miniled high-precision splicing method according to the present application.
Fig. 8 is a schematic structural diagram of a feeding tool for an independent Miniled optical display according to another embodiment of the Miniled high-precision splicing method and apparatus of the present application.
Fig. 9 is a detailed identification schematic of the embodiment shown in fig. 8.
Fig. 10 is a schematic structural diagram of an adsorption tooling for a multi-position integrated Miniled optical display assembly according to another embodiment of the Miniled high-precision splicing method and apparatus of the present application.
Fig. 11 is a schematic structural diagram of a multi-position integrated aluminum frame attaching and positioning tool according to another embodiment of the Miniled high-precision splicing method and apparatus of the present application.
Fig. 12 is a schematic structural diagram of a feeding visual positioning module according to another embodiment of the Miniled high-precision splicing method and apparatus of the present application.
Fig. 13 is a schematic structural diagram of a visual positioning module for a modified aluminum frame according to another embodiment of the Miniled high-precision splicing method device of the present application.
Fig. 14 is a schematic diagram showing a first mark position of a Miniled optical display panel according to another embodiment of a Miniled high-precision splicing method according to the present application.
FIG. 15 is a schematic diagram of reference mark positions of a glass adsorption substrate and a preset distribution of the glass adsorption substrate according to another embodiment of the Miniled high-precision splicing method and apparatus of the present application.
Fig. 16 is an enlarged schematic view of a portion of the embodiment of fig. 15.
FIG. 17 is a schematic diagram of a Miniled optical display panel attached to an attached aluminum frame.
Fig. 18 is a schematic diagram of a Miniled display device formed by splicing four Miniled optical display panels attached to an aluminum frame.
Fig. 19 is a schematic diagram of Miniled high-precision stitching process.
Detailed Description
In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and the like are used in the description of the present application for the purpose of illustration only and do not represent the only embodiment.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" on a second feature may be that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through intermedial media. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely under the second feature, or simply indicating that the first feature is less level than the second feature.
Unless defined otherwise, all technical and scientific terms used in the specification of the present application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used in the description of the present application includes any and all combinations of one or more of the associated listed items.
The application discloses Miniled high-precision splicing method and device, which comprise part of structures or all structures of the following embodiments; namely, the Miniled high-precision splicing method and device comprise part of or all of the following technical features. In one embodiment of the present application, a Miniled high-precision splicing method is shown in fig. 1, which includes the steps of: s100, shooting preset distributed reference mark positions on a glass adsorption substrate, and obtaining reference position coordinates of the glass adsorption substrate; s200, miniled, placing an optical display panel on a feeding adsorption platform; s300, vacuum adsorbing Miniled the optical display panel by adopting a feeding adsorption platform, and moving to a first shooting detection position; s400, shooting Miniled at least three first mark positions of the optical display panel at a first shooting detection position, and determining Miniled first position coordinates of the optical display panel; s500, calculating the corresponding relation between the first position coordinate and the reference position coordinate, adjusting Miniled the position of the optical display panel, and vacuum-adsorbing the Miniled optical display panel by adopting a glass adsorption substrate; s600, placing the attached aluminum frame, and moving the vacuum adsorption attached aluminum frame to a second shooting detection position; s700, shooting at least three second mark positions of the attached aluminum frame at a second shooting detection position, and determining second position coordinates of the attached aluminum frame; s800, calculating the corresponding relation between the second position coordinate and the reference position coordinate, and adjusting the position of the attached aluminum frame; s900, placing and attaching Miniled optical display panels on the attached aluminum frame. According to the Miniled high-precision splicing method, through accurate alignment control and attached aluminum frame arrangement, on one hand, the position accuracy of the Miniled optical display panel relative to the attached aluminum frame is guaranteed; on the other hand, the scalability of Miniled optical display panel splicing is guaranteed, and theoretically infinite splicing can be realized; on the other hand, the quality of Miniled display devices obtained after splicing is guaranteed to be free from flaws, and the two Miniled optical display panels at the splice gap are consistent in display, so that Miniled high-precision splicing is realized; on the other hand, the installation efficiency of the spliced display screen is improved, an automatic installation mode is realized by matching, the splice between the display units is guaranteed to be of a seamless design, and the reject ratio of products is greatly reduced.
In order to ensure the validity of the reference mark bits, in step S100, the reference mark bits are in a preset distribution, and the preset distribution may have various implementation manners, in one embodiment, in step S100, the reference mark bits with a special delta distribution on the glass adsorption substrate are photographed, which is only an example and not a limitation of the embodiments of the present application. According to the embodiment of the application, the shooting is realized by adopting the camera, the visual field range of the camera is 2.2mm multiplied by 2.8mm, and the visual positioning precision is +/-0.003 mm of each pixel point, so that the position details with the pixel center-to-center distance of 0.3mm to 1.5mm can be accurately presented. In other embodiments, the fiducial marker bits are in a cross, star, or nestable shape, or the like. The rest of the embodiments are analogized and will not be described in detail. In each embodiment, miniled optical display panels are placed and attached to the attached aluminum frame, namely Miniled optical display panels are placed on the attached aluminum frame, and then Miniled optical display panels are attached to the attached aluminum frame due to the existence of an adhesive structure of the attached aluminum frame; and due to the design of the attached aluminum frame, the splicing stability of each Miniled optical display panel in the spliced display screen, namely Miniled display device is ensured.
In order to improve the accuracy of the subsequent process, in one embodiment, in step S200, after the Miniled optical display panel is placed on the feeding adsorption platform, the Miniled optical display panel is also aligned to the side; in one embodiment, in step S600, after the laminated aluminum frame is placed, the laminated aluminum frame is also aligned laterally. In one embodiment, in step S200, after Miniled the optical display panel is placed on the loading adsorption platform, the Miniled optical display panel is also aligned laterally; in step S600, after the bonded aluminum frame is placed, the bonded aluminum frame is also aligned laterally. The rest of the embodiments are analogized and will not be described in detail. Further, in one embodiment, the side alignment includes alignment of one side of the Miniled optical display panel with respect to a side or reference line of the feeding suction platform and alignment of one side of the bonded aluminum frame with respect to a multi-position integrated aluminum frame bonding positioning tool or other suction structure or reference line. In one embodiment, a Miniled high-precision stitching method is shown in fig. 2, which includes the steps of: s100, shooting preset distributed reference mark positions on a glass adsorption substrate, and obtaining reference position coordinates of the glass adsorption substrate; s200, miniled optical display panels are placed on a feeding adsorption platform and the side edges of the optical display panels are aligned; s300, vacuum adsorbing Miniled the optical display panel by adopting a feeding adsorption platform, and moving to a first shooting detection position; s400, shooting Miniled at least three first mark positions of the optical display panel at a first shooting detection position, and determining Miniled first position coordinates of the optical display panel; s500, calculating the corresponding relation between the first position coordinate and the reference position coordinate, adjusting Miniled the position of the optical display panel, and vacuum-adsorbing the Miniled optical display panel by adopting a glass adsorption substrate; s600, placing the attached aluminum frame, aligning the side edges of the attached aluminum frame, and moving the attached aluminum frame to a second shooting detection position through vacuum adsorption; s700, shooting at least three second mark positions of the attached aluminum frame at a second shooting detection position, and determining second position coordinates of the attached aluminum frame; s800, calculating the corresponding relation between the second position coordinate and the reference position coordinate, and adjusting the position of the attached aluminum frame; s900, placing and attaching Miniled optical display panels on the attached aluminum frame. In each embodiment, the correspondence may be, but not limited to, a correspondence converted into a rectangular planar coordinate system, or may be implemented by using other reference systems. In one embodiment, the preset distributed reference mark positions form a reference system, so that the obtained reference position coordinates of the glass adsorption substrate can form a plane rectangular coordinate system, and the position or the position change of the first position coordinate or the second position coordinate in the plane rectangular coordinate system is the corresponding relationship. Before vacuum adsorption or before moving to the first shooting detection position, the Miniled optical display panel is aligned on the side, so that the accuracy of shooting the Miniled optical display panel at the first shooting detection position is improved, at least three first mark positions are avoided from being shot, and at least three first mark positions are also accurately presented, so that the first position coordinate of the Miniled optical display panel is accurately determined, and the first position coordinate can be accurately calculated relative to the reference position coordinate. Likewise, before vacuum adsorption laminating aluminium frame, or before laminating aluminium frame removes to the second and shoot detection position, carry out the side alignment with laminating aluminium frame earlier, be favorable to promoting the degree of accuracy of shooting laminating aluminium frame in second shoot detection position, avoid shooting at least three second mark position, also be favorable to accurately presenting at least three second mark position to confirm the second position coordinate of laminating aluminium frame accurately, make second position coordinate also can accurately calculate for reference position coordinate.
In order to avoid cable interference that may exist in a highly integrated automated production device from affecting the accuracy of shooting, in one embodiment, a camera is used to shoot a first marker bit and a second marker bit at positions where a light condensation barrel is avoided from being at a rounded corner. In one embodiment, in step S400, at least three first mark positions of the Miniled optical display panel are photographed only once at the first photographing detection position; in one embodiment, in step S700, at least three second mark positions attached to the aluminum frame are photographed at two second photographing detection positions, respectively. In one embodiment, a Miniled high-precision stitching method is shown in FIG. 3, which includes the steps of: s100, shooting preset distributed reference mark positions on a glass adsorption substrate, and obtaining reference position coordinates of the glass adsorption substrate; s200, miniled, placing an optical display panel on a feeding adsorption platform; s300, vacuum adsorbing Miniled the optical display panel by adopting a feeding adsorption platform, and moving to a first shooting detection position; s400, at a first shooting detection position, shooting at least three first mark positions of the Miniled optical display panel only once at a position avoiding a round angle by adopting a light condensation cylinder through a camera, and determining a first position coordinate of the Miniled optical display panel; s500, calculating the corresponding relation between the first position coordinate and the reference position coordinate, adjusting Miniled the position of the optical display panel, and vacuum-adsorbing the Miniled optical display panel by adopting a glass adsorption substrate; s600, placing the attached aluminum frame, and moving the vacuum adsorption attached aluminum frame to a second shooting detection position; s700, shooting at least three second mark positions attached to the aluminum frame once at the positions of avoiding the round angles through the light condensation cylinders at two second shooting detection positions respectively by adopting cameras, and determining second position coordinates attached to the aluminum frame; s800, calculating the corresponding relation between the second position coordinate and the reference position coordinate, and adjusting the position of the attached aluminum frame; s900, placing and attaching Miniled optical display panels on the attached aluminum frame. The design is favorable for avoiding the interference of a cable or a post-added component which possibly exists, ensuring the accuracy and the undisturbed performance of the shooting position of the camera, and particularly in an iterative product, the functional component can be added in a new way, at this time, the shooting is performed at the position of avoiding a round angle through the light gathering barrel, so that the accuracy and the effectiveness of a shooting result are ensured, the corresponding relation between the first position coordinate and the reference position coordinate and the usability of the corresponding relation between the second position coordinate and the reference position coordinate are favorable, and the splicing accuracy of the Miniled optical display panel is further ensured.
In order to further improve the accuracy of the splicing of Miniled optical display panels, in one embodiment, in step S500, the position of Miniled optical display panels relative to the glass adsorption substrate is adjusted; in one embodiment, in step S800, the position of the attached aluminum frame relative to the glass adsorption substrate is adjusted to control the position of the attached aluminum frame relative to the Miniled optical display panel. In one embodiment, in step S500, the position of Miniled the optical display panel relative to the glass adsorption substrate is adjusted; in step S800, the position of the attached aluminum frame relative to the glass adsorption substrate is adjusted to control the position of the attached aluminum frame relative to the Miniled optical display panel. In one embodiment, a Miniled high-precision stitching method is shown in FIG. 4, which includes the steps of: s100, shooting preset distributed reference mark positions on a glass adsorption substrate, and obtaining reference position coordinates of the glass adsorption substrate; s200, miniled, placing an optical display panel on a feeding adsorption platform; s300, vacuum adsorbing Miniled the optical display panel by adopting a feeding adsorption platform, and moving to a first shooting detection position; s400, shooting Miniled at least three first mark positions of the optical display panel at a first shooting detection position, and determining Miniled first position coordinates of the optical display panel; s500, calculating the corresponding relation between the first position coordinate and the reference position coordinate, adjusting Miniled the position of the optical display panel relative to the glass adsorption substrate, and vacuum adsorbing Miniled the optical display panel by adopting the glass adsorption substrate; s600, placing the attached aluminum frame, and moving the vacuum adsorption attached aluminum frame to a second shooting detection position; s700, shooting at least three second mark positions of the attached aluminum frame at a second shooting detection position, and determining second position coordinates of the attached aluminum frame; s800, calculating the corresponding relation between the second position coordinate and the reference position coordinate, and adjusting the position of the attached aluminum frame relative to the glass adsorption substrate so as to control the position of the attached aluminum frame relative to Miniled optical display panel; s900, placing and attaching Miniled optical display panels on the attached aluminum frame. In addition to the alignment of the welt, the design also considers that if the corresponding relation between the first position coordinate and the reference position coordinate deviates too much and if the corresponding relation between the second position coordinate and the reference position coordinate deviates too much, the attaching accuracy is affected, so further, after calculating the corresponding relation between the first position coordinate and the reference position coordinate, whether the position of the optical display panel relative to the glass adsorption substrate needs to be adjusted Miniled is judged according to the corresponding relation between the first position coordinate and the reference position coordinate, if yes, the position of the optical display panel relative to the glass adsorption substrate is adjusted Miniled, and the execution returns to S400; and after calculating the corresponding relation between the second position coordinate and the reference position coordinate, judging whether the position of the attached aluminum frame relative to the glass adsorption substrate needs to be adjusted according to the corresponding relation between the second position coordinate and the reference position coordinate, if so, adjusting the position of the attached aluminum frame relative to the glass adsorption substrate, and returning to S700. The design is beneficial to ensuring the accuracy of the Miniled optical display panel attached to the attached aluminum frame in the subsequent step by adjusting Miniled the position of the optical display panel or the attached aluminum frame relative to the glass adsorption substrate when the deviation between the first position coordinate or the second position coordinate and the reference position coordinate is larger due to inaccurate alignment; on the basis, the installation efficiency of the spliced display screen is improved, the installation mode is simplified, the adopted splicing process can ensure that the splicing gaps between the display units are of a seamless design, the labor cost is greatly saved, and the reject ratio of products is greatly reduced.
In order to ensure accurate alignment, in one embodiment, the first mark bit and the second mark bit are embedded in a concave-convex manner. In one embodiment, one of the first marking bit and the second marking bit is a groove, and the other one protrudes into the groove. Further, in one embodiment, one of the first mark position and the second mark position is a cross-shaped groove, and the other is 4 rectangular convex parts for protruding into the groove to form an integral rectangle. In one embodiment, a Miniled high-precision stitching method is shown in fig. 5, which includes the steps of: s100, shooting preset distributed reference mark positions on a glass adsorption substrate, and obtaining reference position coordinates of the glass adsorption substrate; s200, miniled, placing an optical display panel on a feeding adsorption platform; s300, vacuum adsorbing Miniled the optical display panel by adopting a feeding adsorption platform, and moving to a first shooting detection position; s400, shooting Miniled at least three first mark positions of the optical display panel at a first shooting detection position, and determining Miniled first position coordinates of the optical display panel; s500, calculating the corresponding relation between the first position coordinate and the reference position coordinate, adjusting Miniled the position of the optical display panel, and vacuum-adsorbing the Miniled optical display panel by adopting a glass adsorption substrate; s600, placing the attached aluminum frame, and moving the vacuum adsorption attached aluminum frame to a second shooting detection position; s700, shooting at least three second mark positions of the attached aluminum frame at a second shooting detection position, and determining second position coordinates of the attached aluminum frame; s800, calculating the corresponding relation between the second position coordinate and the reference position coordinate, and adjusting the position of the attached aluminum frame; s900, placing and attaching Miniled optical display panels on the attached aluminum frame, wherein one of the first mark position and the second mark position is a groove, and the other is protruded into the groove. The design is favorable for automatically judging whether the lamination of the Miniled optical display panel and the lamination aluminum frame is accurate or not, meets the characteristics of high-efficiency production requirements and high-quality requirements based on the spliced screen, and can completely meet the target requirements of production and quality.
For the continuous automatic splicing process of the multiple Miniled optical display panels, in order to achieve continuous splicing, in one embodiment, in step S700, when determining the second position coordinates of the attached aluminum frame, the attaching position of the current Miniled optical display panel is also determined; and, after step S900, the Miniled high-precision splicing method further includes step S910: and judging whether the display device of the attached aluminum frame pair Miniled is spliced, otherwise, continuing to execute the step S200. In one embodiment, a Miniled high-precision stitching method is shown in fig. 6, which includes the steps of: s100, shooting preset distributed reference mark positions on a glass adsorption substrate, and obtaining reference position coordinates of the glass adsorption substrate; s200, miniled, placing an optical display panel on a feeding adsorption platform; s300, vacuum adsorbing Miniled the optical display panel by adopting a feeding adsorption platform, and moving to a first shooting detection position; s400, shooting Miniled at least three first mark positions of the optical display panel at a first shooting detection position, and determining Miniled first position coordinates of the optical display panel; s500, calculating the corresponding relation between the first position coordinate and the reference position coordinate, adjusting Miniled the position of the optical display panel, and vacuum-adsorbing the Miniled optical display panel by adopting a glass adsorption substrate; s600, placing the attached aluminum frame, and moving the vacuum adsorption attached aluminum frame to a second shooting detection position; s700, shooting at least three second mark positions attached to the aluminum frame at a second shooting detection position, determining a second position coordinate attached to the aluminum frame and determining the attaching position of the current Miniled optical display panel; s800, calculating the corresponding relation between the second position coordinate and the reference position coordinate, and adjusting the position of the attached aluminum frame; s900, placing and attaching Miniled optical display panels on an attached aluminum frame; step S910, determining whether the display device of the attached aluminum frame pair Miniled has completed the splicing, otherwise, continuing to execute step S200. In one embodiment, in step S700, when determining the second position coordinates of the bonded aluminum frame, the bonding positions of the respective Miniled optical display panels on the bonded aluminum frame are allocated according to the second position coordinates. Further, in one embodiment, after step S100 and before step S200, the Miniled high-precision stitching method further includes the steps of: s110, judging whether the joint aluminum frame is spliced according to a splicing plan, if yes, outputting the spliced joint aluminum frame, otherwise, executing step S200; or after step S900, the Miniled high-precision splicing method further includes the steps of: s910, judging whether the display device with the attached aluminum frame pair Miniled is spliced, otherwise, continuing to execute the step S200. After the bonded aluminum frame is output and spliced, whether the production of the next spliced screen is started or not can be continuously determined according to the production plan, namely, the continuous production can be continuously performed in the step S100 or directly performed from the step S00. The design is beneficial to realizing the circulation control and the automatic production, saves the manpower resources and improves the production efficiency.
In one embodiment, a Miniled high-precision stitching device is implemented using the Miniled high-precision stitching method of any of the embodiments. In one embodiment, the Miniled high-precision splicing device has a functional structure related to each step of implementing the Miniled high-precision splicing method. In one embodiment, a Miniled high-precision stitching device includes: an independent Miniled optical display feeding tool is used for providing a feeding adsorption platform, and a Miniled optical display panel is placed on the feeding adsorption platform; the multi-position integrated Miniled optical display combined adsorption tool is used for providing a glass adsorption substrate, vacuum adsorbing the Miniled optical display panel and moving to a first shooting detection position; the multi-position integrated aluminum frame attaching and positioning tool is used for providing an attached aluminum frame, placing the attached aluminum frame, aligning the side edges of the attached aluminum frame, and moving the attached aluminum frame to a second shooting detection position through vacuum adsorption; the feeding visual positioning module is used for shooting preset distributed reference mark positions on the glass adsorption substrate and obtaining reference position coordinates of the glass adsorption substrate; shooting Miniled at least three first mark positions of the optical display panel at a first shooting detection position, and determining Miniled first position coordinates of the optical display panel; calculating the corresponding relation between the first position coordinate and the reference position coordinate, and adjusting Miniled the position of the optical display panel; the position-changing aluminum frame visual positioning module is used for shooting at least three second mark positions attached to the aluminum frame at a second shooting detection position and determining second position coordinates attached to the aluminum frame; calculating the corresponding relation between the second position coordinate and the reference position coordinate, and adjusting the position of the attached aluminum frame; the multi-position integrated Miniled optical display combined adsorption tool is also used for placing and attaching the Miniled optical display panel on the attached aluminum frame through the glass adsorption substrate. The rest of the embodiments are analogized and will not be described in detail.
An embodiment of a specific application is provided from the standpoint of complete implementation in combination with the Miniled high-precision stitching method and apparatus. The Miniled high-precision splicing method can also be called a Miniled high-precision splicing process, mainly uses mosaic detection of special mark (mark) points, namely mark positions, of products and workpieces as a core, and is implemented by using a six-in-one visual detection system and a special tool. As shown in fig. 7, the flow of the present application surrounds: five structures of an independent Miniled optical display feeding tool 1, a multi-position integrated Miniled optical display combined adsorption tool 2, a multi-position integrated aluminum frame attaching and positioning tool 3, a feeding visual positioning module 4 and a position-changing aluminum frame visual positioning module 5 are developed.
In this embodiment, as shown in fig. 8, the independent Miniled optical display loading tool 1 is provided with a condensing cylinder 11, an alignment cylinder module 12 and a loading adsorption platform 13. As shown in fig. 9, in this embodiment, the independent Miniled optical display feeding tool 1 is further provided with a connection end 101, a plug 102, a vacuum suction plate 103, a DD motor connection plate 104, a photoelectric switch 105, a limit sensor mounting plate 106, a mounting block 107, a DD motor limit shaft 108, a pin 109, a photoelectric metal plate 110, a transfer pad 111, a shaft seat 112, a locking stud 113, a locking elbow 114, a positioning block 115, a cylinder mounting plate 116, a sliding table cylinder 117, a positioning pin 118, a DD motor fixing plate 119, a first limiting block 120, a second limiting block 121, and an electromagnetic valve 122, which are respectively matched to realize the functions of moving, positioning, and adsorbing.
As shown in fig. 10, in the embodiment, the multi-position integrated Miniled optical display combined adsorption tool 2 is provided with a glass adsorption substrate 21, and a plurality of splice sites 22 are formed, and each splice site 22 is used for adsorbing one Miniled optical display panel. As shown in fig. 11, in this embodiment, the multi-position integrated aluminum frame attaching and positioning tool 3 is provided with an alignment cylinder module 31 and an aluminum frame adsorbing assembly 32 for adsorbing and attaching an aluminum frame 33 and aligning the sides thereof. As shown in fig. 12, in this embodiment, the feeding visual positioning module 4 is provided with four cameras, including a camera 41, a camera 42, a camera 43 and a camera 44, and slides on an X-axis track and two Y-axis tracks of the feeding visual positioning module 4, so as to realize accurate alignment shooting. As shown in fig. 13, in the present embodiment, the modified aluminum frame visual positioning module 5 is provided with two cameras, including a camera 51 and a camera 52, which slide on one track of the modified aluminum frame visual positioning module 5.
The mosaic detection process of the special mark positions of the product and the workpiece is mainly characterized in that four special cross mark positions (namely first mark positions) on a Miniled optical display panel product and a multi-position integrated Miniled optical display combination adsorb mark positions distributed in a special delta shape on a glass adsorption substrate 21 in a tool 2, namely reference mark positions, and the two mark positions are overlapped and embedded under the detection and positioning of a vision system. The first mark position is shown in fig. 14, and the reference mark positions of the glass adsorption substrate and the preset distribution are shown in fig. 15 and 16. Each marking bit comprises a reference marking bit, a first marking bit and a second marking bit, the overall specification size of the marking bit is 0.07mm, and the precision of the camera can be completely met. Attaching a Miniled optical display panel to an attached aluminum frame as shown in fig. 17 can also be analogically understood as a glass adsorbing substrate adsorbing a Miniled optical display panel. Four Miniled optical display panels are spliced to a bonded aluminum frame to form a complete Miniled display device as shown in fig. 18.
As shown in fig. 19, the feeding visual positioning module 4 moves below the multi-position integrated Miniled optical display combined adsorption tool 2, the main structure of the multi-position integrated Miniled optical display combined adsorption tool 2 is distributed as a vacuum generator and a glass adsorption substrate 21, the glass adsorption substrate 21 is provided with a special delta-shaped distributed marking position which accords with the two-piece or two-piece screen or Miniled optical display panel to realize the splicing, and the special delta-shaped distributed marking position comprises the two-piece, three-piece, four-piece or four-piece screen splicing, six-piece, eight-piece and other states, the feeding visual positioning module 4 adopts a four-point alignment form, and the field of vision range of a camera: 2.2mm x 2.8mm, visual positioning accuracy: each pixel is + -0.003 mm.
The feeding visual positioning module 4 acquires the position coordinates of the glass adsorption substrate 21 by shooting the special mark positions distributed in a delta shape on the glass adsorption substrate 21, takes the position coordinates as the core position of the whole process flow, and all the alignment positions need to correspond to the position coordinates of the glass adsorption substrate 21.
When the Miniled optical display panel is placed on the feeding adsorption platform 13, the independent Miniled optical display feeding tool 1 acts on the alignment cylinder module 12 to align the side edges of the product and then vacuum-adsorb the product, and then the independent Miniled optical display feeding tool 1 integrally moves below the feeding visual positioning module 4.
The cameras 41, 42, 43 and 44 in the feeding visual positioning module 4 respectively move to the lower parts of the light condensation barrels 11 and correspond to the circle center positions of the 4 light condensation barrels, the cameras detect the final position of the current Miniled optical display panel through four special cross mark positions on the four avoidance fillet shooting detection products Miniled optical display panels of the light condensation barrels 11 and the feeding adsorption platform 13, then the final position is aligned from the current coordinate position to the coordinate position of the glass adsorption substrate 21, and after the coordinates correspond well, adsorption material taking actions are carried out.
After the laminated aluminum frame is placed on the multi-position integrated aluminum frame laminating positioning tool 3, the side edges of the laminated aluminum frame are aligned by the alignment cylinder module 31, the aluminum frame adsorbing assembly 32 starts vacuum adsorption, at the moment, the whole multi-position integrated aluminum frame laminating positioning tool 3 moves to the lower part of the position-changing aluminum frame visual positioning module 5, then the camera 52 starts to shift according to the size of the laminated aluminum frame, four corner marking positions of the laminated aluminum frame are shot twice respectively, the current position of the laminated aluminum frame is calculated according to a four-point positioning method, then the coordinate of the glass adsorbing substrate 21 is correspondingly started to align by the current position of the laminated aluminum frame, the coordinate is correspondingly, after the alignment is finished, the glass adsorbing substrate 21 presses down the spliced Miniled optical display panel on the laminated aluminum frame, and a special adhesive colloid is used for adhering the Miniled optical display panel on the laminated aluminum frame, and then the mechanism is reset, and products are off line.
The Miniled high-precision splicing process of the application thoroughly solves the problem of screen segmentation, achieves the requirement of complete seamless, greatly improves the qualification rate of finished products, ensures the production efficiency, and realizes the cross-screen display in principle because of adopting the Miniled optical display panel for splicing, namely the Miniled optical display panel has no cross-screen display problem which is unavoidable in the traditional liquid crystal display screen splicing mode.
It should be noted that other embodiments of the present application further include a Miniled high-precision splicing method and device that are formed by combining the technical features of the foregoing embodiments.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description. The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of the application should be determined from the following claims.
Claims (10)
1. A Miniled high-precision splicing method is characterized by comprising the following steps:
s100, shooting preset distributed reference mark positions on a glass adsorption substrate, and obtaining reference position coordinates of the glass adsorption substrate;
s200, miniled, placing an optical display panel on a feeding adsorption platform;
S300, vacuum adsorbing Miniled the optical display panel by adopting a feeding adsorption platform, and moving to a first shooting detection position;
S400, shooting Miniled at least three first mark positions of the optical display panel at a first shooting detection position, and determining Miniled first position coordinates of the optical display panel;
s500, calculating the corresponding relation between the first position coordinate and the reference position coordinate, adjusting Miniled the position of the optical display panel, and vacuum-adsorbing the Miniled optical display panel by adopting a glass adsorption substrate;
s600, placing the attached aluminum frame, and moving the vacuum adsorption attached aluminum frame to a second shooting detection position;
S700, shooting at least three second mark positions of the attached aluminum frame at a second shooting detection position, and determining second position coordinates of the attached aluminum frame;
S800, calculating the corresponding relation between the second position coordinate and the reference position coordinate, and adjusting the position of the attached aluminum frame;
S900, placing and attaching Miniled optical display panels on an attached aluminum frame;
After calculating the correspondence between the first position coordinate and the reference position coordinate, determining whether the position of the optical display panel relative to the glass adsorption substrate needs to be adjusted Miniled according to the correspondence between the first position coordinate and the reference position coordinate, if yes, adjusting Miniled the position of the optical display panel relative to the glass adsorption substrate, and returning to S400; and after calculating the corresponding relation between the second position coordinate and the reference position coordinate, judging whether the position of the attached aluminum frame relative to the glass adsorption substrate needs to be adjusted according to the corresponding relation between the second position coordinate and the reference position coordinate, if so, adjusting the position of the attached aluminum frame relative to the glass adsorption substrate, and returning to S700.
2. The method according to claim 1, wherein in step S200, after the Miniled optical display panel is placed on the feeding adsorption platform, the Miniled optical display panel is further aligned at a side; and/or the number of the groups of groups,
In step S600, after the attached aluminum frame is placed, side alignment is also performed on the attached aluminum frame; and/or the number of the groups of groups,
Step S600 is performed in synchronization with step S200.
3. The Miniled high-precision splicing method of claim 1, wherein a camera is used to shoot the first marker position and the second marker position at positions avoiding the round corners through the condenser tube.
4. The method according to claim 3, wherein in step S400, at least three first mark positions of the Miniled optical display panel are photographed only once at the first photographing detection position; and/or the number of the groups of groups,
In step S700, at least three second mark positions attached to the aluminum frame are photographed at two second photographing detection positions, respectively.
5. The method according to claim 1, wherein in step S500, the position of the optical display panel Miniled relative to the glass adsorption substrate is adjusted; and/or the number of the groups of groups,
In step S800, the position of the attached aluminum frame relative to the glass adsorption substrate is adjusted to control the position of the attached aluminum frame relative to the Miniled optical display panel.
6. The method of claim 1, wherein the first marker bit and the second marker bit are engaged in a concave-convex manner.
7. The method of claim 6, wherein one of the first mark location and the second mark location is a groove and the other one protrudes into the groove.
8. The method according to any one of claims 1 to 7, wherein in step S700, when determining the second position coordinates of the attached aluminum frame, the attaching position of the current Miniled optical display panel is also determined; and
After step S900, the Miniled high-precision splicing method further includes the steps of: s910, judging whether the display device with the attached aluminum frame pair Miniled is spliced, otherwise, continuing to execute the step S200.
9. The method according to claim 8, wherein in step S700, when determining the second position coordinates of the attached aluminum frame, the attaching positions of the Miniled optical display panels attached to the aluminum frame are allocated according to the second position coordinates.
10. A Miniled high-precision splicing apparatus, implemented by the Miniled high-precision splicing method of any one of claims 1 to 9, the Miniled high-precision splicing apparatus comprising:
An independent Miniled optical display feeding tool is used for providing a feeding adsorption platform, and a Miniled optical display panel is placed on the feeding adsorption platform;
The multi-position integrated Miniled optical display combined adsorption tool is used for providing a glass adsorption substrate, vacuum adsorbing the Miniled optical display panel and moving to a first shooting detection position;
The multi-position integrated aluminum frame attaching and positioning tool is used for providing an attached aluminum frame, placing the attached aluminum frame, aligning the side edges of the attached aluminum frame, and moving the attached aluminum frame to a second shooting detection position through vacuum adsorption;
The feeding visual positioning module is used for shooting preset distributed reference mark positions on the glass adsorption substrate and obtaining reference position coordinates of the glass adsorption substrate; shooting Miniled at least three first mark positions of the optical display panel at a first shooting detection position, and determining Miniled first position coordinates of the optical display panel; calculating the corresponding relation between the first position coordinate and the reference position coordinate, and adjusting Miniled the position of the optical display panel; and
The position-changing aluminum frame visual positioning module is used for shooting at least three second mark positions of the attached aluminum frame at a second shooting detection position and determining second position coordinates of the attached aluminum frame; calculating the corresponding relation between the second position coordinate and the reference position coordinate, and adjusting the position of the attached aluminum frame; the multi-position integrated Miniled optical display combined adsorption tool is also used for placing and attaching the Miniled optical display panel on the attached aluminum frame through the glass adsorption substrate.
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