Panel splicing device

Abstract

The utility model provides a panel splicing device which specifically comprises a first platform, a second platform, a third platform and a fourth platform, the second platform is used for bearing a second semi-glass plate, and the first platform and the second platform can be arranged close to each other or away from each other; a gluing space is formed among one side of the first platform, one side of the second platform and the upper surface of the third platform; the gluing mechanism is used for coating glue into the gluing space; the curing mechanism is used for curing the colloid; the detection mechanism is used for detecting the outer contour of the colloid; the alignment mechanism is at least used for detecting the relative position of the first half glass plate and the second half glass plate. Through the application of the panel production splicing device suitable for the thin film packaging technology, splicing of the two semi-glass plates can be completed with high precision, the automatic splicing efficiency is high, the quality of panel products is ensured, and the defective rate is reduced.

Description

Technical Field

[0001] The present disclosure relates to the technical field of panel production, and particularly to a panel splicing device. Background Art

[0002] With the further development of display panel technology, more and more manufacturers consider adopting the TOE thin film encapsulation technology, that is, by directly integrating a touch sensor on the display panel, thereby simplifying the structure of the touch display screen and further improving the basic performance and reliability of the panel.

[0003] However, during the production of this type of display panel, it is often necessary to splice two G6 half glass plates. There is no suitable automatic splicing design for such half glass plates in the prior art, especially it is difficult to ensure the high precision and splicing efficiency required for the splicing of G6 half glass plates, resulting in low splicing quality and splicing efficiency of the half glass plates. Summary of the Utility Model

[0004] Aiming at the problems in the prior art, the purpose of the present disclosure is to provide a panel splicing device, which can conveniently adjust the refresh rate of the display content during the dot screen test of the display panel, and is more convenient for detecting the display effect of the display panel.

[0005] Specifically, the first aspect of the present disclosure provides a panel splicing device, which includes:

[0006] A first platform for carrying a first half glass plate;

[0007] A second platform for carrying a second half glass plate, and the first platform and the second platform are movably arranged to approach or separate from each other;

[0008] A third platform is arranged between the first platform and the second platform, and a glue coating space is formed between one side of the first platform, one side of the second platform and the upper surface of the third platform;

[0009] A glue coating mechanism for coating glue into the glue coating space;

[0010] A curing mechanism for curing the glue;

[0011] A detection mechanism for detecting the outer contour of the glue;

[0012] An alignment mechanism for at least detecting the relative positions of the first half glass plate and the second half glass plate.

[0013] In a possible implementation of the above first aspect, the alignment mechanism includes: at least one pre-alignment camera and at least one precise alignment camera. The pre-alignment camera is used to detect the position of the first half glass plate relative to the first platform and / or the position of the second half glass plate relative to the second platform, and the precise alignment camera is used to detect the relative position between the first half glass plate and the second half glass plate.

[0014] In a possible implementation of the above first aspect, the panel splicing device further includes: a first mounting bracket and a second mounting bracket. The first mounting bracket and the second mounting bracket are both movably arranged above the third platform. The glue application mechanism, the curing mechanism, the detection mechanism, and the precise alignment camera are all arranged on the first mounting bracket, and the pre-alignment camera is arranged on the second mounting bracket.

[0015] In a possible implementation of the above first aspect, the panel splicing device further includes: a first transfer mechanism and a second transfer mechanism. The first transfer mechanism is used to transfer the first half glass plate, and the second transfer mechanism is used to transfer the second half glass plate.

[0016] In a possible implementation of the above first aspect, the panel splicing device further includes: a first cassette and a second cassette. The first cassette is used to store at least one of the first half glass plates, and the second cassette is used to store at least one of the second half glass plates.

[0017] In a possible implementation of the above first aspect, both the first cassette and the second cassette include: a cassette body. A plurality of bearing platforms are arranged in the cassette body, and the plurality of bearing platforms are arranged in sequence from top to bottom. The bearing platform is used to place one of the first half glass plates or one of the second half glass plates.

[0018] In a possible implementation of the above first aspect, the detection mechanism includes: at least one optical detection camera, and the optical detection camera is arranged on the first mounting bracket.

[0019] In a possible implementation of the above first aspect, both the first platform and the second platform include: an upper platform, a lower platform, and a plurality of PIN pins. A plurality of PIN pins are arranged on the upper surface of the lower platform, and each PIN pin is arranged in the vertical direction. The upper platform is arranged above the lower platform, and a plurality of PIN holes are arranged on the lower surface of the upper platform. The upper end of each PIN pin is inserted into one of the PIN holes.

[0020] In a possible implementation of the above first aspect, the glue application mechanism includes: a glue application head, and the glue application head is arranged on the first mounting bracket. The glue application head is connected to a glue supply device through a pipeline.

[0021] In a possible implementation of the above first aspect, the two pre-alignment cameras are respectively arranged at both ends of the second mounting bracket, and the two precise alignment cameras are respectively arranged at both ends of the first mounting bracket.

[0022] Compared with the prior art, the present disclosure has the following beneficial effects:

[0023] Through the technical solution provided by the present disclosure, a splicing device applicable to the production of display panels in thin film encapsulation technology is provided, which can complete the splicing of two half glass plates with high precision, and has a high automation splicing efficiency, thereby ensuring the quality and production efficiency of panel products and reducing the defective rate; the panel splicing device of the present utility model occupies a small space, saves production and design costs, and has the value of popularization. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] By reading the detailed description of the non-restrictive embodiments with reference to the following drawings, other features, objects, and advantages of the present disclosure will become more apparent.

[0025] Figure 1 According to an embodiment of the present disclosure, a schematic diagram of the overall structure of a panel splicing device is provided.

[0026] Figure 2 According to an embodiment of the present disclosure, a schematic diagram of the half glass plate transfer structure in a panel splicing device is provided.

[0027] In the drawings: 1, the first platform; 2, the first half glass plate; 3, the second platform; 4, the second half glass plate; 5, the third platform; 6, the gluing mechanism; 7, the colloid; 8, the curing mechanism; 9, the pre-alignment camera; 10, the precise alignment camera; 11, the first mounting bracket; 12, the second mounting bracket; 13, the first transfer mechanism; 14, the second transfer mechanism; 15, the first material box; 16, the second material box; 17, the box body; 18, the bearing platform; 19, the optical detection camera; 20, the upper platform; 21, the lower platform; 22, the PIN pin. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] The following specific examples illustrate the implementation manners of the present disclosure. Those skilled in the art can easily understand other advantages and effects of the present disclosure from the content disclosed in the present disclosure. The present disclosure can also be implemented or applied through other different specific implementation manners. Various details in the present disclosure can also be modified or changed according to different viewpoints and application systems without departing from the spirit of the present disclosure. It should be noted that, without conflict, the embodiments in the present disclosure and the features in the embodiments can be combined with each other.

[0029] Hereinafter, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings so that those skilled in the art to which the present disclosure pertains can easily implement it. The present disclosure can be embodied in various different forms and is not limited to the embodiments described herein.

[0030] In the description of the present disclosure, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. mean that the specific features, structures, materials, or characteristics represented in connection with the embodiment or example are included in at least one embodiment or example of the present disclosure. Moreover, the specific features, structures, materials, or characteristics represented can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples represented in the present disclosure and the features of different embodiments or examples.

[0031] In addition, the terms "first" and "second" are used only for the purpose of indication and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present disclosure, the meaning of "a plurality" is two or more unless otherwise specifically defined.

[0032] To clearly illustrate the present disclosure, devices irrelevant to the description are omitted, and the same or similar components throughout the specification are given the same reference numerals.

[0033] Throughout the specification, when it is said that a device is "connected" to another device, this includes not only the case of "direct connection" but also the case of "indirect connection" with other elements interposed therebetween. In addition, when it is said that a certain device "includes" a certain component, unless there is a particularly contrary record, it does not exclude other components, but means that other components may also be included.

[0034] When it is said that a device is "on" another device, this may be directly on the other device, but there may also be other devices therebetween. When it is said that a device is "directly" on another device, there are no other devices therebetween.

[0035] Although in some instances the terms first, second, etc. are used herein to denote various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first interface and a second interface, etc. are indicated. Furthermore, as used herein, the singular forms "a", "an", and "the" are also intended to include the plural forms unless the context clearly dictates otherwise. It should be further understood that the terms "comprising", "including" indicate the presence of the features, steps, operations, elements, components, items, kinds, and / or groups, but do not preclude the presence, occurrence, or addition of one or more other features, steps, operations, elements, components, items, kinds, and / or groups. The term "or" and "and / or" used herein are to be construed as inclusive, or meaning any one or any combination. Thus, "A, B, or C" or "A, B, and / or C" means "any one of the following: A; B; C; A and B; A and C; B and C; A, B, and C". An exception to this definition only occurs when the combination of elements, functions, steps, or operations are inherently mutually exclusive in some way.

[0036] The technical terms used herein are only for referring to specific embodiments and are not intended to limit the present disclosure. The singular forms used herein also include the plural forms as long as the statement does not clearly indicate the contrary meaning. The meaning of "including" used in the specification is to embody specific characteristics, regions, integers, steps, operations, elements, and / or components, and does not exclude the existence or addition of other characteristics, regions, integers, steps, operations, elements, and / or components.

[0037] Although not defined differently, including the technical terms and scientific terms used herein, all terms have the same meaning as generally understood by those skilled in the art to which the present disclosure pertains. Terms defined in commonly used dictionaries are additionally interpreted to have a meaning consistent with the relevant technical literature and the content currently presented, and should not be overly interpreted as ideal or very formulaic meanings as long as they are not defined.

[0038] To overcome the problems presented in the background art, in some embodiments of the present disclosure, Figure 1 shows a schematic diagram of the overall structure of a panel splicing structure, Figure 2 shows a schematic diagram of the semi-glass plate transfer structure in a panel splicing device. As Figure 1 and Figure 2 can be seen, the panel splicing device provided in the above embodiments may specifically include:

[0039] The first platform 1 is used to carry a first half glass plate 2; the second platform 3 is used to carry a second half glass plate 4, and the first platform 1 and the second platform 3 are movably arranged to be close to or away from each other; the third platform 5 is arranged between the first platform 1 and the second platform 3, and an adhesive coating space is formed among one side of the first platform 1, one side of the second platform 3 and the upper surface of the third platform 5; the adhesive coating mechanism 6 is used to coat a colloid 7 into the adhesive coating space; the curing mechanism 8 is used to cure the colloid 7; the detection mechanism is used to detect the outer contour of the colloid 7; the alignment mechanism is at least used to detect the relative positions of the first half glass plate 2 and the second half glass plate 4. Further, during the use of the panel splicing device, a first half glass plate 2 and a second half glass plate 4 are sequentially placed on the first platform 1 and the second platform 3; then, the alignment mechanism pre-detects the positions of the two half glass plates relative to the corresponding first platform 1 or second platform 3, and aligns the positions of the two half glass plates by moving the first platform 1 and / or the second platform 3 according to the detection results; then, the first platform 1 and the second platform 3 are moved close to each other so that the above-mentioned adhesive coating space is formed on the third platform 5. Preferably, a part of one side of the first platform 1 and a part of one side of the second platform 3 can contact both sides of the upper surface of the third platform 5 and maintain a certain distance to form the adhesive coating space; then, the adhesive coating is carried out by the adhesive coating mechanism 6 and the adhesive coating is cured by the curing mechanism 8; then, the outer contour of the colloid 7 is detected by the detection mechanism, and after obtaining and recording the detection information of the colloid 7, the spliced whole large glass plate is removed from the panel splicing device and sent to the next process.

[0040] In the above embodiment, further, the detection mechanism is movably arranged above the third platform 5, and the alignment mechanism is movably arranged above the third platform 5. Further, the above "above" preferably means that there is a difference in the horizontal height between the two, and it is not necessary to be directly above in the vertical direction.

[0041] In the above embodiment, further, the colloid 7 is preferably configured as a UV colloid, and the curing mechanism 8 is preferably configured as a UV curing lamp. The UV curing lamp is preferably configured as an LED type with a wavelength of 365 nm.

[0042] In the above embodiments, further, the alignment mechanism includes at least one pre-alignment camera 9 and at least one precise alignment camera 10. The pre-alignment camera 9 is used to detect the position of the first half glass plate 2 relative to the first platform 1 and / or the position of the second half glass plate 4 relative to the second platform 3. The precise alignment camera 10 is used to detect the relative position between the first half glass plate 2 and the second half glass plate 4. Further, the pre-alignment camera 9 is used for the preliminary alignment of the corresponding half glass plate after it is placed on the first platform 1 or the second platform 3, and the precise alignment camera 10 is used for the alignment of the first half glass plate 2 and the second half glass plate 4 before gluing.

[0043] In the above embodiments, further, the precise alignment camera 10 is preferably at least used to confirm that the gap between the first half glass plate 2 and the second half glass plate 4 on the third platform 5 before coating is within the range of 200 ± 50 μm.

[0044] In the above embodiments, further, the panel splicing device may further include a first mounting frame 11 and a second mounting frame 12. The first mounting frame 11 and the second mounting frame 12 are both movably arranged above the third platform 5. The gluing mechanism 6, the curing mechanism 8, the detection mechanism and the precise alignment camera 10 are all arranged on the first mounting frame 11, and the pre-alignment camera 9 is arranged on the second mounting frame 12. Further, by the respective movements of the first mounting frame 11 and the second mounting frame 12, the corresponding components can be directly above the designated positions of the corresponding half glass plates in the designated processes, so as to facilitate the progress of the processes.

[0045] In the above embodiments, further, both the first mounting frame 11 and the second mounting frame 12 have a downward-facing mounting surface. Further, the gluing mechanism 6, the detection mechanism, the precise alignment camera 10 and the pre-alignment camera 9 are all arranged on the mounting surface.

[0046] In the above embodiments, further, the UV curing lamp is arranged on one side of the first mounting frame 11, and the UV curing lamp extends along the length direction of the first mounting frame 11, and the light-emitting surface of the UV curing lamp faces downward.

[0047] In the above embodiments, further, the first mounting frame 11 and the second mounting frame 12 are preferably movable gantry frames.

[0048] In the above embodiments, further, the panel splicing device may further include a first transfer mechanism 13 and a second transfer mechanism 14. The first transfer mechanism 13 is used to transfer the first half glass plate 2, and the second transfer mechanism 14 is used to transfer the second half glass plate 4.

[0049] In the above embodiments, further, the first transfer mechanism 13 and the second transfer mechanism 14 are preferably both robotic arms, and the end of the robotic arm has at least two mutually parallel support arms.

[0050] In the above embodiment, further, the panel splicing device may further include a first material box 15 and a second material box 16. The first material box 15 is used to store at least one first half glass plate 2, and the second material box 16 is used to store at least one second half glass plate 4.

[0051] As Figures 1 to 2 can be seen, both the first material box 15 and the second material box 16 include a box body 17. A plurality of bearing platforms 18 are arranged in the box body 17. The plurality of bearing platforms 18 are arranged in sequence from top to bottom. The bearing platform 18 is used to place a first half glass plate 2 or a second half glass plate 4. Further, through the setting of the box body 17, the half glass plates to be spliced can be placed on the bearing platforms 18 in batches to save space and avoid long-distance transportation; and when a certain half glass plate has a functional failure or defects such as cracking, other intact half glass plates can be immediately replaced for the splicing process; preferably, after replacing the half glass plate on the corresponding bearing platform 18 with problems, it can be put back into use without stopping the entire splicing process.

[0052] In the above embodiment, further, the box body 17 is preferably provided with four bearing platforms 18. There is a certain interval between every two adjacent bearing platforms 18 to be arranged in multiple layers. The box body 17 is provided with an opening at least on one side to allow the corresponding transfer mechanism to take out the half glass plate on the bearing platform 18.

[0053] In the above embodiment, further, the detection mechanism includes: at least one optical detection camera 19, and the optical detection camera 19 is arranged on the first mounting bracket 11. Further, the optical detection camera 19 is used for defect inspection of the colloid 7 formed after gluing. Preferably, it can at least obtain the outer contour of the colloid 7 and record it. The outer contour at least includes the height and width of the colloid 7 and other outer contour features, and can obtain the lack of glue situation at the position where the colloid 7 is arranged, as well as the presence of residual glue or foreign objects on the upper surfaces of each platform.

[0054] In the above embodiment, further, both the first platform 1 and the second platform 3 include: an upper platform 20, a lower platform 21 and a plurality of PIN pins 22. A plurality of PIN pins 22 are arranged on the upper surface of the lower platform 21. Each PIN pin 22 is arranged in the vertical direction. The upper platform 20 is arranged above the lower platform 21. A plurality of PIN holes are arranged on the lower surface of the upper platform 20. The upper end of each PIN pin 22 is inserted into a PIN hole.

[0055] In the above-mentioned embodiments, further, the gluing mechanism 6 includes: a gluing head, which is arranged on the first mounting bracket 11, and the gluing head is connected to a glue supply device through a pipeline. Further, the coating width of the gluing head is preferably 10 to 20 mm, the coating accuracy is preferably ±0.5 mm, and the coating thickness is preferably 100 to 300 μm.

[0056] In the above-mentioned embodiments, further, the gluing head has at least one nozzle, and the diameter and coating width of the nozzle are preferably adjustable.

[0057] The above are only the preferred embodiments of the present disclosure, and do not limit the implementation manners and protection scope of the present disclosure. The following will further describe the specific implementation of the above embodiments:

[0058] In the specific implementation process of the above embodiments, the two pre-alignment cameras 9 are respectively arranged at both ends of the second mounting bracket 12, and the two precise alignment cameras 10 are respectively arranged at both ends of the first mounting bracket 11.

[0059] In the specific implementation process of the above embodiments, the flatness of the upper surface of the third platform 5 is less than 10 μm, and the flatness of the upper surface of the upper platform 20 is less than 100 μm.

[0060] In the specific implementation process of the above embodiments, the first platform 1, the second platform 3 and the third platform 5 are preferably arranged to be movable individually or integrally. Further, the movement is at least in the Y-axis and Z-axis directions; preferably, they can all move in the X, Y, and Z-axis directions.

[0061] In the specific implementation process of the above embodiments, when carrying the first half glass plate 2 or the second half glass plate 4, it is at least cooperatively received by moving the upper surface of the upper platform 20 in the Z-axis direction.

[0062] In the specific implementation process of the above embodiments, the movement of the first platform 1, the second platform 3 and the third platform 5 is preferably controlled by a servo motor, and its minimum movement accuracy is preferably <2 μm.

[0063] In the specific implementation process of the above embodiments, the third platform 5 is internally provided with a heating device, and the heating device is at least used to heat the upper surface of the third platform 5. Further, the maximum heating temperature of the heating is preferably 50 °C.

[0064] In the specific implementation process of the above embodiments, both the first half glass plate 2 and the second half glass plate 4 have feature marks, and the feature marks can be at least recognized by the pre-alignment camera 9 and / or the precise alignment camera 10. Preferably, two feature marks are respectively arranged above and below the half glass plate, and the centers of the two feature marks are within ±100 μm of the corresponding internal origin of the camera when acquired by the camera.

[0065] In summary, through the technical solution provided by the present disclosure, a splicing device applicable to the production of display panels in thin film encapsulation technology is provided, which can complete the splicing of two semi-glass plates with high precision, and has a high automation splicing efficiency, thereby ensuring the quality and production efficiency of panel products and reducing the defective rate; the panel splicing device provided by the present disclosure occupies a small space, saves production and design costs, and has the value of being popularized.

[0066] The above content is a further detailed description of the present disclosure in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present disclosure is only limited to these descriptions. For those of ordinary skill in the technical field to which the present disclosure belongs, without departing from the concept of the present disclosure, several simple deductions or substitutions can still be made, which should all be regarded as belonging to the protection scope of the present disclosure.

Claims

1. A panel splicing device, characterized in that: include: A first platform, the first platform is used to carry a first half glass plate; A second platform, the second platform is used to carry a second half glass plate, the first platform and the second platform are movably arranged close to or away from each other; A third platform, the third platform is arranged between the first platform and the second platform, and a glue coating space is formed between one side of the first platform, one side of the second platform and an upper surface of the third platform; A glue coating mechanism, the glue coating mechanism is used to coat the glue into the glue coating space; A curing mechanism, the curing mechanism is used to cure the colloid; A detection mechanism, the detection mechanism is used to detect the outer contour of the colloid; The alignment mechanism is used at least to detect the relative position of the first half glass plate and the second half glass plate.

2. The panel splicing device according to claim 1, characterized in that: The alignment mechanism includes: at least one pre-alignment camera and at least one precise alignment camera, the pre-alignment camera is used to detect the position of the first half glass plate relative to the first platform and / or the position of the second half glass plate relative to the second platform, and the precise alignment camera is used to detect the relative position of the first half glass plate and the second half glass plate.

3. The panel splicing device according to claim 2, characterized in that: Also includes: A first mounting frame and a second mounting frame, wherein the first mounting frame and the second mounting frame are both movably disposed above the third platform, the gluing mechanism, the curing mechanism, the detection mechanism and the precise alignment camera are all disposed on the first mounting frame, and the pre-alignment camera is disposed on the second mounting frame.

4. The panel splicing device according to claim 1, characterized in that: Also includes: A first transfer mechanism and a second transfer mechanism, wherein the first transfer mechanism is used to transfer the first half glass plate, and the second transfer mechanism is used to transfer the second half glass plate.

5. The panel splicing device according to claim 1, characterized in that: Also includes: A first material box and a second material box, wherein the first material box is used to store at least one first half glass plate, and the second material box is used to store at least one second half glass plate.

6. The panel splicing device according to claim 5, characterized in that: The first material box and the second material box both include: a box body, wherein a plurality of bearing platforms are arranged in sequence from top to bottom, and the bearing platforms are used to place the first half glass plate or the second half glass plate.

7. The panel splicing device according to claim 3, characterized in that: The detection mechanism includes: at least one optical detection camera, and the optical detection camera is arranged on the first mounting frame.

8. The panel splicing device according to claim 1, characterized in that: The first platform and the second platform both include: an upper platform, a lower platform and a plurality of PIN needles. The upper surface of the lower platform is provided with a plurality of PIN needles, each of which is arranged in a vertical direction. The upper platform is arranged above the lower platform, and the lower surface of the upper platform is provided with a plurality of PIN holes, and the upper end of each of the PIN needles is inserted into a PIN hole.

9. The panel splicing device according to claim 3, characterized in that: The glue coating mechanism comprises a glue coating head, which is arranged on the first mounting frame and connected to a glue supply device through a pipeline.

10. The panel splicing device according to claim 3, characterized in that: The two pre-alignment cameras are respectively arranged at two ends of the second mounting frame, and the two precise alignment cameras are respectively arranged at two ends of the first mounting frame.

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