A COG display module and its installation method

Abstract

The present invention discloses a COG display module and an installation method thereof, belonging to the technical field of display screens. The COG display module includes a box body, an HUB board is arranged inside the box body, and a plurality of display units are arranged above the HUB board; the display unit includes a COG light board, the COG light board is arranged on a support frame, a transfer board is arranged on the support frame, the COG light board is connected to the HUB board through a connector on the transfer board, the support frame is fixedly connected to the box body, a power supply is arranged inside the box body, and the power supply is connected to the HUB board. By adopting the COG display module and the installation method thereof of the present invention, the problems of low strength and difficult assembly of the existing COG display module can be solved; it has the advantages of small damage rate and high assembly efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of display screens, and particularly to a COG display module and an installation method thereof. Background Art

[0002] The COG (Chip On Glass) display module is a display technology that directly mounts the driving chip on the glass substrate. This technology is widely used in liquid crystal displays (LCDs), organic light-emitting diodes (OLEDs), and other types of display panels. The advantages of the COG display module are as follows: directly mounting the chip on the glass substrate can significantly reduce the overall thickness and volume of the display module; eliminating the FPC or PCB reduces the material and manufacturing costs; direct bonding reduces the number of intermediate connectors, improving the reliability and stability of the system; simplifying the design and manufacturing process of the display module improves the production efficiency. However, the bonding process in the COG display module has high requirements for equipment and technology; moreover, the COG display module on the glass substrate is prone to damage during the assembly process, affecting the yield rate, and the assembly efficiency is relatively low.

[0003] The existing patent CN202220568615.4 discloses a vehicle-mounted COG display screen, including a COG display screen mechanism. The COG display screen mechanism includes a backlight outer frame and a COG display screen main body. A connection component is arranged between the COG display screen main body and the backlight outer frame, and the connection component is used to connect the backlight outer frame and the COG display screen main body; the connection component includes a foam rubber glue frame for pasting the backlight outer frame and the COG display screen main body together, and a release film is arranged at the bottom of the foam rubber glue frame. In this application, the release film is made to be the same size as the backlight outer frame, and the release film is used for alignment during assembly, and there is no need to adjust the structure of the foam rubber glue frame, which is beneficial to the assembly of the product and improves the production assembly efficiency of the product. However, the strength of the COG display screen in the above patent is relatively low, and it is not easy to realize the assembly of the COG display screen. Summary of the Invention

[0004] The purpose of the present invention is to provide a COG display module and an installation method thereof, so as to solve the problems that the existing COG display module has low strength and is not easy to assemble.

[0005] To achieve the above purpose, the present invention provides a COG display module, including a box body. An HUB board is arranged inside the box body, and a plurality of display units are arranged above the HUB board; the display unit includes a COG light board, the COG light board is arranged on a support frame, a transfer board is arranged on the support frame, the COG light board is connected to the HUB board through a connector on the transfer board, the support frame is fixedly connected to the box body, and a power supply is arranged inside the box body, and the power supply is connected to the HUB board.

[0006] Preferably, a plurality of fixing posts are provided on the inner surface of the box body, and the HUB board is fixed on the fixing posts.

[0007] Preferably, the support frame is an aluminum alloy frame, and the COG light board is connected to the upper surface of the support frame through a heat-conducting adhesive, and the heat-conducting adhesive is arranged around the COG light board.

[0008] Preferably, a middle beam is provided on the support frame, a connecting seat is provided on the lower surface of the middle beam, and the adapter board is fixedly connected to the connecting seat through screws.

[0009] Preferably, a limiting structure is provided between the support frame and the box body, and a connecting column for fixing the support frame is arranged inside the box body.

[0010] Preferably, the limiting structure includes a support platform arranged at the edge of the lower surface of the support frame. A first limiting platform is arranged at the top of the transverse side wall of the box body, and a first limiting groove is arranged on the first limiting platform. A first limiting strip adapted to the first limiting groove is arranged on the lower surface of the support platform on the transverse side of the support frame, and the first limiting strip is clamped in the first limiting groove. A second limiting platform is arranged at the top of the longitudinal side wall of the box body, and a second limiting groove is arranged on the second limiting platform. The second limiting groove is perpendicular to the first limiting groove. A second limiting strip adapted to the second limiting groove is arranged on the lower surface of the support platform on the longitudinal side of the support frame, and the second limiting strip is clamped in the second limiting groove.

[0011] Preferably, a middle limiting platform is arranged on the inner surface of the bottom of the box body. The middle limiting platform is located between two adjacent support frames. A cross limiting groove is arranged at the top of the middle limiting platform. A T-shaped limiting strip adapted to the cross limiting groove is arranged in the middle of the lower surface of the connecting end of the adjacent support frames, and the T-shaped limiting strips of the adjacent two support frames are clamped in the same cross limiting groove.

[0012] Preferably, a third limiting platform is arranged between the middle limiting platform and the second limiting platform. A third limiting groove is arranged on the third limiting platform. A third limiting strip adapted to the third limiting groove is arranged on the support platform on the lower surface of the connecting end of the adjacent support frames, and the third limiting strip is clamped in the third limiting groove.

[0013] Preferably, mounting plates are arranged on the sides of the support frame, and connecting blocks are arranged on the lower surfaces of the mounting plates and the support frame. The connecting blocks are iron blocks, and magnets corresponding to the iron blocks one by one are arranged on the connecting columns.

[0014] The installation method of the above COG display module includes the following steps:

[0015] S1. Fix the power supply inside the box body through screws;

[0016] S2. Fix the HUB board above the fixing posts inside the box body through screws, and connect the power supply to the HUB board;

[0017] S3. Fix the COG lamp board on the upper surface of the support frame through the heat-conducting adhesive connection layer. Connect the adapter board and the connection seat on the lower surface of the support frame with screws. Connect the connector on the upper surface of the adapter board to the COG lamp board, and connect the connector on the lower surface of the adapter board to the connector on the HUB board.

[0018] S4. Align the support platforms on the lower surface of the support frame with the first limit platform, the second limit platform, the third limit platform, and the middle limit platform on the box body one by one, and insert the first limit strip, the second limit strip, the third limit strip, and the T-shaped limit strip into the first limit groove, the second limit groove, the third limit groove, and the cross limit groove respectively; the iron blocks on the support frame are adsorbed and fixed to the magnets on the internal connection posts of the box body one by one; the installation is completed.

[0019] The advantages and positive effects of the COG display module and its installation method of the present invention are as follows:

[0020] 1. Fix the COG lamp board on the support frame. Support the COG lamp board through the support frame, which is beneficial to improving the strength of the display module; and it is convenient for the picking, placing, and assembly of the COG lamp board, reducing the breakage rate during the assembly of the COG lamp board.

[0021] 2. The support frame is an aluminum alloy frame. The COG lamp board is connected to the upper surface of the support frame through the heat-conducting adhesive. The heat-conducting adhesive can transfer the heat of the COG lamp board to the aluminum alloy support frame, reducing the surface temperature of the COG lamp board.

[0022] 3. The support frame and the box body are connected through a limiting structure. The limiting structure limits the sliding and rotation of the support frame on the horizontal plane, improving the connection stability between the support frame and the box body.

[0023] 4. Two adjacent COG lamp boards are clamped in the same second limit groove, third limit groove, and cross limit groove, enabling the adjacent support frames to be in close contact, which is beneficial to reducing the gap between adjacent COG lamp boards.

[0024] 5. The support frame and the box body are adsorbed and fixedly connected through iron blocks and magnets, facilitating the assembly of the support frame and the box body, and being beneficial to improving the assembly efficiency. Both sides and the middle of the support frame are adsorbed through iron blocks and magnets, improving the connection stability between the support frame and the box body.

[0025] 6. Using the display module of the present invention can achieve the expansion of the product size.

[0026] The technical solution of the present invention will be further described in detail below through the drawings and embodiments. Description of the Drawings

[0027] Figure 1 It is an exploded structural schematic diagram of an embodiment of the present invention;

[0028] Figure 2 Schematic diagram of the display unit structure according to an embodiment of the present invention;

[0029] Figure 3 Schematic diagram of the support frame structure according to an embodiment of the present invention;

[0030] Figure 4 Schematic diagram of the box structure according to an embodiment of the present invention;

[0031] Figure 5 is Figure 4 Enlarged view of A in

[0032] Figure 6 is Figure 4 Enlarged view of B in

[0033] Figure 7 Schematic diagram of the connection block structure according to an embodiment of the present invention;

[0034] Figure 8 Schematic diagram of the structure after the display module of the present invention is assembled.

[0035] Reference numerals

[0036] 1. COG light board; 2. Support frame; 3. Connection layer; 4. Adapter board; 5. HUB board; 6. Box; 7. Power supply; 8. Connection block; 9. Middle beam; 10. Connection seat; 11. Mounting plate; 12. Support table; 13. Connection column; 14. Fixed column; 15. First limiting platform; 16. First limiting groove; 17. Second limiting platform; 18. Second limiting groove; 19. Middle limiting platform; 20. Cross limiting groove; 21. Third limiting platform; 22. Third limiting groove. Detailed implementation manners

[0037] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present invention is usually placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention. In the description of the present invention, it should also be noted that unless otherwise clearly defined and limited, the terms "set", "installed", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0038] In this application, unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which this application belongs. In case of any inconsistency, the meaning stated in this specification or the meaning derived from the content recorded in this specification shall prevail. Additionally, the terms used herein are only for the purpose of describing the embodiments of this application and are not intended to limit this application. For the purpose of accurately describing the technical content in this application and for accurately understanding the present invention, the following explanations or definitions are given for the terms used in this specification before describing the specific embodiments:

[0039] The following will describe in detail the embodiments of the present invention with reference to the accompanying drawings.

[0040] As Figure 1 shown. A COG display module includes a box body 6, and the box body 6 is a box structure with an open top. A plurality of fixing columns 14 are fixedly arranged on the inner surface of the box body 6, and the HUB board 5 is fixed on the fixing columns 14 by screws. A plurality of display units are arranged above the HUB board 5.

[0041] As Figure 2 shown. The display unit includes a COG light board 1, and the COG light board 1 is arranged on a support frame 2. The support frame 2 is an aluminum alloy frame, and the COG light board 1 is connected to the upper surface of the support frame 2 through a heat-conducting adhesive. The heat-conducting adhesive forms a connection layer 3, and the heat-conducting adhesive is arranged around the COG light board 1. The heat-conducting adhesive can transfer the heat of the COG light board 1 to the aluminum alloy support frame 2, reducing the surface temperature of the COG light board 1. Fixing the COG light board 1 on the support frame 2 and supporting the COG light board 1 through the support frame 2 are beneficial to improving the strength of the display module; and it is convenient for the taking, placing and assembly of the COG light board 1, reducing the breakage rate during the assembly of the COG light board 1.

[0042] As Figure 3 shown. Two middle beams 9 are arranged on the support frame 2, and the middle beams 9 and the support frame 2 are of an integral structure. A connecting seat 10 is fixedly arranged on the lower surface of the middle beam 9, and the adapter board 4 is fixedly connected to the connecting seat 10 by screws. The COG light board 1 is connected to the HUB board 5 through a connector on the adapter board 4. The connector on the upper surface of the adapter board 4 is connected to the COG light board 1, and the connector on the lower surface of the adapter board 4 is connected to the connector on the HUB board 5 to realize signal transmission. Connecting the COG light board 1 and the HUB board 5 through the adapter board 4 is beneficial to reducing the breakage rate during the direct assembly of the COG light board 1 and the HUB board 5 and facilitating the assembly of the COG light board 1 and the HUB board 5.

[0043] A power supply 7 is fixedly arranged inside the box body 6, and the power supply 7 is connected to the HUB board 5. The power supply 7 provides electrical energy for the entire display module.

[0044] As Figure 4 、Figure 5 , Figure 6 As shown. A limiting structure is provided between the support frame 2 and the box body 6. Through the limiting structure, the positioning and alignment between the support frame 2 and the box body 6 are realized, improving the stability of the connection between the support frame 2 and the box body 6. The limiting structure includes a support platform 12 fixedly arranged at the edge of the lower surface of the support frame 2. In the middle of the top of the lateral side wall of the box body 6, a first limiting platform 15 is provided, and a vertical first limiting groove 16 is provided on the first limiting platform 15. On the lower surface of the support platform 12 in the middle of the lateral side of the support frame 2, a first limiting strip adapted to the first limiting groove 16 is fixedly arranged, and the first limiting strip is clamped in the first limiting groove 16.

[0045] On the top of the longitudinal side wall of the box body 6, a second limiting platform 17 is provided, and the second limiting platform 17 is arranged at the connection of two support frames 2. A second limiting groove 18 is provided on the second limiting platform 17, and the second limiting groove 18 is perpendicular to the first limiting groove 16. On the lower surface of the support platform 12 on the longitudinal side of the support frame 2, a second limiting strip adapted to the second limiting groove 18 is fixedly arranged, and the second limiting strip is clamped in the second limiting groove 18.

[0046] On the inner surface of the bottom of the box body 6, a middle limiting platform 19 is fixedly arranged, and the middle limiting platform 19 is located between two adjacent support frames 2. A cross limiting groove 20 is provided on the top of the middle limiting platform 19. On the support platform 12 in the middle of the lower surface of the connection end of adjacent support frames 2, a T-shaped limiting strip adapted to the cross limiting groove 20 is fixedly arranged. The T-shaped limiting strips of two adjacent support frames 2 are clamped in the same cross limiting groove 20.

[0047] A third limiting platform 21 is provided between the middle limiting platform 19 and the second limiting platform 17, and a third limiting groove 22 is provided on the third limiting platform 21. On the support platform 12 on the lower surface of the connection end of adjacent support frames 2, a third limiting strip adapted to the third limiting groove 22 is provided, and the third limiting strip is clamped in the third limiting groove 22.

[0048] Two adjacent support frames 2 are jointly clamped in the same second limiting groove 18, third limiting groove 22 and cross limiting groove 20, enabling the adjacent support frames 2 to be in close contact, which is beneficial to reducing the gap between adjacent COG light boards 1. The second limiting groove 18 and the third limiting groove 22 are perpendicular to the first limiting groove 16, realizing the limitation of the sliding and rotation of the support frame 2 on the horizontal plane and improving the stability of the connection between the support frame 2 and the box body 6. The support frame 2 is aligned with the first limiting platform 15, second limiting platform 17 and third limiting platform 21 on the box body 6 through the support platform 12, forming a gap between the support plate and the box body 6, which is convenient for heat dissipation inside the box body 6.

[0049] Inside the box body 6, there is a connecting column 13 for fixedly setting the fixed support frame 2, and the position of the HUB board 5 avoids the connecting column 13. An installation plate 11 is fixedly arranged on the side of the support frame 2, and connecting blocks 8 are fixedly arranged on the lower surfaces of both the installation plate 11 and the support frame 2. As Figure 7 shown. The connecting block 8 is an iron block with different diameters. The smaller end of the connecting block 8 is connected to the support frame 2, and the larger end of the connecting block 8 is connected to the connecting column 13. Magnets corresponding to the iron blocks one by one are arranged on the connecting column 13. The support frame 2 and the box body 6 are fixedly connected by adsorption of the iron block and the magnet, which is convenient for the assembly of the support frame 2 and the box body 6 and is beneficial to improving the assembly efficiency. Both the two sides and the middle of the support frame 2 are adsorbed by the iron block and the magnet, improving the connection stability between the support frame 2 and the box body 6.

[0050] Using the display module of the present invention, the original product size of 150*168.75mm can be expanded to 150*337.5, 300*337.5, 600*337.5mm, etc.

[0051] The installation method of the above-mentioned COG display module includes the following steps:

[0052] S1. Fix the power supply 7 inside the box body 6 with screws.

[0053] S2. Fix the HUB board 5 above the fixed column 14 inside the box body 6 with screws, and connect the power supply 7 to the HUB board 5.

[0054] S3. Fix the COG lamp board 1 on the upper surface of the support frame 2 through the heat-conducting adhesive connection layer 3. Connect the adapter board 4 to the connection seat 10 with screws on the lower surface of the support frame 2. The connector on the upper surface of the adapter board 4 is connected to the COG lamp board 1, and the connector on the lower surface of the adapter board 4 is connected to the connector on the HUB board 5.

[0055] S4. Make the support platform 12 on the lower surface of the support frame 2 correspond to the first limit platform 15, the second limit platform 17, the third limit platform 21 and the middle limit platform on the box body 6 one by one, and insert the first limit strip, the second limit strip, the third limit strip and the T-shaped limit strip into the first limit groove 16, the second limit groove 18, the third limit groove 22 and the cross limit groove 20 respectively. The iron blocks on the support frame 2 are adsorbed and fixed corresponding to the magnets on the connecting column 13 inside the box body 6 one by one. The installation is completed, as Figure 8 shown.

[0056] Therefore, using the COG display module and its installation method of the present invention can solve the problems of low strength and difficult assembly of the existing COG display module; it has the advantages of small damage rate and high assembly efficiency.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that they can still modify or equivalently replace the technical solutions of the present invention, and such modifications or equivalent replacements do not cause the modified technical solutions to deviate from the spirit and scope of the technical solutions of the present invention.

Claims

1. A COG display module, characterized in that: It includes a box body, and a HUB board is arranged inside the box body. Above the HUB board, several display units are arranged. The display unit includes a COG light board. The COG light board is arranged on a support frame. A transfer board is arranged on the support frame. The COG light board is connected to the HUB board through a connector on the transfer board. The support frame is fixedly connected to the box body. A power supply is arranged inside the box body, and the power supply is connected to the HUB board. The support frame is an aluminum alloy frame. The COG light board is connected to the upper surface of the support frame through heat-conducting glue, and the heat-conducting glue is arranged around the COG light board. A limiting structure is arranged between the support frame and the box body, and connecting columns for fixing the support frame are arranged inside the box body. The limiting structure includes a support platform arranged at the edge of the lower surface of the support frame. At the top of the transverse side wall of the box body, a first limiting platform is arranged. A first limiting groove is arranged on the first limiting platform. A first limiting strip adapted to the first limiting groove is arranged on the lower surface of the support platform on the transverse side of the support frame, and the first limiting strip is clamped in the first limiting groove. At the top of the longitudinal side wall of the box body, a second limiting platform is arranged. A second limiting groove is arranged on the second limiting platform. The second limiting groove is perpendicular to the first limiting groove. A second limiting strip adapted to the second limiting groove is arranged on the lower surface of the support platform on the longitudinal side of the support frame, and the second limiting strip is clamped in the second limiting groove. A middle limiting platform is arranged on the inner surface of the bottom of the box body. The middle limiting platform is located between two adjacent support frames. A cross limiting groove is arranged at the top of the middle limiting platform. A T-shaped limiting strip adapted to the cross limiting groove is arranged in the middle of the lower surface of the connecting end of the adjacent support frames, and the T-shaped limiting strips of the two adjacent support frames are clamped in the same cross limiting groove. A third limiting platform is arranged between the middle limiting platform and the second limiting platform. A third limiting groove is arranged on the third limiting platform. A third limiting strip adapted to the third limiting groove is arranged on the support platform on the lower surface of the connecting end of the adjacent support frames, and the third limiting strip is clamped in the third limiting groove.

2. The COG display module according to claim 1, wherein: Several fixing columns are arranged on the inner surface of the box body, and the HUB board is fixed on the fixing columns.

3. The COG display module according to claim 2, wherein: A middle beam is arranged on the support frame. A connecting seat is arranged on the lower surface of the middle beam. The transfer board is fixedly connected to the connecting seat through screws.

4. A COG display module according to claim 3, characterized in that: Mounting plates are arranged on the side edges of the support frame. Iron blocks are arranged on the lower surfaces of the mounting plates and the support frame. Magnets corresponding to the iron blocks one by one are arranged on the connecting columns.

5. An installation method of a COG display module as described in claim 4, characterized in that, It includes the following steps: S1. Fix the power supply inside the box body through screws. S2. Fix the HUB board above the fixing columns inside the box body through screws, and connect the power supply to the HUB board. S3. Fix the COG light board on the upper surface of the support frame through heat-conducting glue. Connect the transfer board to the connecting seat through screws on the lower surface of the support frame. The connector on the upper surface of the transfer board is connected to the COG light board, and the connector on the lower surface of the transfer board is connected to the connector on the HUB board. S4. Align the support platforms on the lower surface of the support frame with the first limit platform, the second limit platform, the third limit platform, and the middle limit platform on the box body one by one, and insert the first limit strip, the second limit strip, the third limit strip, and the T-shaped limit strip into the first limit groove, the second limit groove, the third limit groove, and the cross limit groove respectively; the iron blocks on the support frame are adsorbed and fixed in one-to-one correspondence with the magnets on the connecting columns inside the box body; the installation is completed.

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