COG display module and installation method thereof

Abstract

The invention discloses a COG display module and an installation method thereof, and belongs to the technical field of display screens. The COG display module comprises a box body, a HUB board is arranged in the box body, and a plurality of display units are arranged above the HUB board; the display unit comprises a COG lamp panel, the COG lamp panel is arranged on a supporting frame, an adapter plate is arranged on the supporting frame, the COG lamp panel is connected with the HUB plate through a connector on the adapter plate, the supporting frame is fixedly connected with the box body, a power source is arranged in the box body, and the power source is connected with the HUB plate. By the adoption of the COG display module and the installation method thereof, the problems that an existing COG display module is low in strength and not easy to assemble can be solved; the device has the advantages of low damage rate and high assembly efficiency.

Description

Technical Field

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

[0002] COG (Chip On Glass) display module is a display technology that directly mounts the driver chip on a 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 COG display modules are: directly mounting the chip on a glass substrate can significantly reduce the overall thickness and volume of the display module; eliminating FPC or PCB, reducing material and manufacturing costs; direct bonding reduces the number of intermediate connectors, improving system reliability and stability; simplifying the design and manufacturing process of the display module, and improving production efficiency. However, the bonding process in the COG display module has high requirements for equipment and technology; and the COG display module with a glass substrate is easily damaged during the assembly process, affecting the yield rate, and the assembly efficiency is relatively low.

[0003] Existing patent CN202220568615.4 discloses a vehicle-mounted COG display screen, including a COG display screen mechanism, wherein the COG display screen mechanism includes a backlight frame and a COG display screen body, a connecting component is provided between the COG display screen body and the backlight frame, and the connecting component is used to connect the backlight frame and the COG display screen body; the connecting component includes a foam glue frame for pasting the backlight frame and the COG display screen body together, and a release film is provided at the bottom of the foam glue frame. This application facilitates the assembly of the product by making the release film the same size as the backlight frame, and using the release film for alignment during assembly, and there is no need to adjust the structure of the foam glue frame, which improves the production and 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 assemble 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 problem that the existing COG display module has low strength and is difficult to assemble.

[0005] To achieve the above-mentioned purpose, the present invention provides a COG display module, including a box body, a 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 supporting frame, an adapter board is arranged on the supporting frame, the COG light board is connected to the HUB board through a connector on the adapter board, the supporting 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.

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

[0007] Preferably, the support frame is an aluminum alloy frame, and the COG lamp board is connected to the upper surface of the support frame through thermal conductive adhesive, and the thermal conductive adhesive is arranged around the COG lamp 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 plate is fixedly connected to the connecting seat by 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 provided 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 on the top end of the lateral side wall of the box body, 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 lateral side of the support frame, and the first limiting strip is clamped in the first limiting groove; a second limiting platform is arranged on the top end of the longitudinal side wall of the box body, 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 limit platform is provided on the inner surface of the bottom of the box body, the middle limit platform is located between two adjacent support frames, a cross limit groove is provided on the top of the middle limit platform, and a T-shaped limit strip adapted to the cross limit groove is provided on the support platform in the middle of the lower surface of the connecting end of the adjacent support frames, and the T-shaped limit strips of the two adjacent support frames are clamped in the same cross limit groove.

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

[0013] Preferably, a mounting plate is provided on the side of the support frame, and a connecting block is provided on the lower surface of the mounting plate and the support frame. The connecting block is an iron block, and a magnet corresponding to the iron block is provided on the connecting column.

[0014] The installation method of the COG display module comprises the following steps: S1. Fix the power supply inside the box with screws; S2. Fix the HUB board on the fixing column inside the box with screws, and connect the power supply to the HUB board; S3. Fix the COG light board to the upper surface of the support frame through the thermal conductive adhesive connection layer, connect the adapter board to the connection seat on the lower surface of the support frame through screws, connect the connector on the upper surface of the adapter board to the COG light board, and connect the connector on the lower surface of the adapter board to the connector on the HUB board; S4. Align the support platform 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, and insert the first limit bar, the second limit bar, the third limit bar and the T-shaped limit bar into the first limit groove, the second limit groove, the third limit groove and the cross limit groove respectively; the iron block on the support frame and the magnet on the connecting column inside the box body are adsorbed and fixed one by one; the installation is completed.

[0015] The advantages and positive effects of the COG display module and the installation method thereof of the present invention are: 1. Fix the COG light board on the support frame. Supporting the COG light board through the support frame is beneficial to improve the strength of the display module; it is also convenient for taking, placing and assembling the COG light board, and reducing the breakage rate of the COG light board during assembly.

[0016] 2. The support frame is an aluminum alloy frame. The COG light board is connected to the upper surface of the support frame through thermal conductive adhesive. The thermal conductive adhesive can transfer the heat of the COG light board to the aluminum alloy support frame to reduce the surface temperature of the COG light board.

[0017] 3. The support frame and the box body are connected via a limiting structure, which limits the sliding and rotation of the support frame on the horizontal plane, thereby improving the stability of the connection between the support frame and the box body.

[0018] 4. Two adjacent COG light boards are clamped in the same second limiting groove, third limiting groove and cross limiting groove, so that adjacent support frames can be in close contact, which is beneficial to reducing the gap between adjacent COG light boards.

[0019] 5. The support frame and the box are fixedly connected by iron blocks and magnets, which facilitates the assembly of the support frame and the box and helps improve assembly efficiency. The two sides and the middle of the support frame are adsorbed by iron blocks and magnets, which improves the stability of the connection between the support frame and the box.

[0020] 6. The display module of the present invention can be used to increase the size of the product.

[0021] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the explosion structure of an embodiment of the present invention; Figure 2 is a schematic diagram of the structure of a display unit according to an embodiment of the present invention; Figure 3 A schematic diagram of a support frame structure according to an embodiment of the present invention; Figure 4 This is a schematic diagram of the box structure of an embodiment of the present invention; Figure 5 for Figure 4 Middle A: Enlarged view; Figure 6 for Figure 4 Middle B: Enlarged view; Figure 7 A schematic diagram of the connection block structure of an embodiment of the present invention; Figure 8 It is a schematic diagram of the structure after the module is assembled according to an embodiment of the present invention.

[0023] Reference numerals 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 platform; 13. Connection column; 14. Fixed column; 15. First limit platform; 16. First limit slot; 17. Second limit platform; 18. Second limit slot; 19. Middle limit platform; 20. Cross limit slot; 21. Third limit platform; 22. Third limit slot. DETAILED DESCRIPTION

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the invented product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, it should also be noted that, unless otherwise clearly specified and limited, the terms "setting", "installation", and "connection" 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 or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the 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 circumstances.

[0025] In this application, unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application. In the event of any inconsistency, the meaning described in this specification or the meaning derived from the contents recorded in this specification shall prevail. In addition, the terms used herein are only for the purpose of describing the embodiments of the present application and are not intended to limit the present application. In order to accurately describe the technical content in this application and to accurately understand the present invention, the following explanations or definitions are given to the terms used in this specification before describing the specific embodiments: The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0026] like Figure 1 A COG display module includes a box body 6, which 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 a HUB board 5 is fixed on the fixing columns 14 by screws. A plurality of display units are arranged above the HUB board 5.

[0027] like Figure 2 As 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 thermal conductive adhesive. The thermal conductive adhesive forms a connecting layer 3, and the thermal conductive adhesive is arranged around the COG light board 1. The thermal conductive adhesive can transfer the heat of the COG light board 1 to the aluminum alloy support frame 2, thereby 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 is beneficial to improving the strength of the display module; and it is convenient to take, place and assemble the COG light board 1, thereby reducing the breakage rate of the COG light board 1 during assembly.

[0028] like Figure 3 As shown. Two middle beams 9 are provided on the support frame 2, and the middle beams 9 and the support frame 2 are an integral structure. A connecting seat 10 is fixedly provided on the lower surface of the middle beam 9, and the adapter plate 4 is fixedly connected to the connecting seat 10 by screws. The COG light board 1 is connected to the HUB board 5 through the connector on the adapter plate 4, the connector on the upper surface of the adapter plate 4 is connected to the COG light board 1, and the connector on the lower surface of the adapter plate 4 is connected to the connector on the HUB board 5 to realize signal transmission. The COG light board 1 and the HUB board 5 are connected through the adapter plate 4, which is beneficial to reduce the breakage rate when the COG light board 1 and the HUB board 5 are directly assembled, and facilitates the assembly of the COG light board 1 and the HUB board 5.

[0029] A power supply 7 is fixedly arranged inside the box 6, and the power supply 7 is connected to the HUB board 5. The power supply 7 provides power to the entire display module.

[0030] like Figure 4 , Figure 5 , Figure 6 As shown. A limiting structure is provided between the support frame 2 and the box body 6, and the positioning and alignment between the support frame 2 and the box body 6 are achieved through the limiting structure, thereby 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 provided at the edge of the lower surface of the support frame 2. A first limiting platform 15 is provided in the middle of the top end of the lateral side wall of the box body 6, and a vertical first limiting groove 16 is provided on the first limiting platform 15. A first limiting strip adapted to the first limiting groove 16 is fixedly provided on the lower surface of the support platform 12 in the middle of the lateral side of the support frame 2, and the first limiting strip is clamped in the first limiting groove 16.

[0031] A second limiting platform 17 is provided at the top of the longitudinal side wall of the box body 6, and the second limiting platform 17 is provided at the connection between the 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. A second limiting strip adapted to the second limiting groove 18 is fixedly provided on the lower surface of the support platform 12 on the longitudinal side of the support frame 2, and the second limiting strip is clamped in the second limiting groove 18.

[0032] A middle limiting platform 19 is fixedly provided on the inner surface of the bottom of the box body 6, 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. A T-shaped limiting strip adapted to the cross limiting groove 20 is fixedly provided on the support platform 12 in the middle of the lower surface of the connecting end of the adjacent support frames 2. The T-shaped limiting strips of the two adjacent support frames 2 are clamped in the same cross limiting groove 20.

[0033] 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. A third limiting strip adapted to the third limiting groove 22 is provided on the supporting platform 12 on the lower surface of the connecting end of the adjacent supporting frame 2, and the third limiting strip is clamped in the third limiting groove 22.

[0034] Two adjacent support frames 2 are jointly clamped in the same second limiting groove 18, third limiting groove 22 and cross limiting groove 20, so that the adjacent support frames 2 can be in close contact, which is conducive to reducing the gap between adjacent COG light panels 1. The second limiting groove 18 and the third limiting groove 22 are perpendicular to the first limiting groove 16, which realizes the limitation of the sliding and rotation of the support frame 2 on the horizontal plane, and improves the stability of the connection between the support frame 2 and the box 6. The support frame 2 is aligned with the first limiting platform 15, the second limiting platform 17, and the third limiting platform 21 on the support platform 12 and the box 6, so that a gap is formed between the support plate and the box 6, which is convenient for heat dissipation inside the box 6.

[0035] The box 6 is fixed with a connecting column 13 for fixing the support frame 2, and the HUB board 5 avoids the position of the connecting column 13. The side of the support frame 2 is fixed with a mounting plate 11, and the lower surface of the mounting plate 11 and the support frame 2 is fixed with a connecting block 8. Figure 7 As shown. The connecting block 8 is an iron block of 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. The connecting column 13 is provided with a magnet corresponding to the iron block. The support frame 2 and the box body 6 are fixedly connected by the iron block and the magnet, which is convenient for the assembly of the support frame 2 and the box body 6 and is conducive to improving the assembly efficiency. The two sides and the middle of the support frame 2 are adsorbed by the iron block and the magnet, which improves the stability of the connection between the support frame 2 and the box body 6.

[0036] The display module of the present invention can be expanded from the original product size of 150*168.75 mm to 150*337.5, 300*337.5, 600*337.5 mm, etc.

[0037] The installation method of the COG display module comprises the following steps: S1. Fix the power supply 7 inside the box 6 with screws.

[0038] S2. Fix the HUB board 5 above the fixing column 14 inside the box 6 by means of screws, and connect the power supply 7 to the HUB board 5.

[0039] S3, fix the COG light board 1 on the upper surface of the support frame 2 through the thermal conductive adhesive connection layer 3. Connect the adapter board 4 to the connection seat 10 on the lower surface of the support frame 2 through screws, connect the connector on the upper surface of the adapter board 4 to the COG light board 1, and connect the connector on the lower surface of the adapter board 4 to the connector on the HUB board 5.

[0040] S4, match the support platform 12 on the lower surface of the support frame 2 with 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, and insert the first limit bar, the second limit bar, the third limit bar and the T-shaped limit bar 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 block on the support frame 2 and the magnet on the connecting column 13 inside the box body 6 are adsorbed and fixed one by one. The installation is completed, as shown in FIG. Figure 8 shown.

[0041] Therefore, the COG display module and the installation method thereof described in the present invention can solve the problems of low strength and difficult assembly of the existing COG display module; and has the advantages of low damage rate and high assembly efficiency.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify or replace the technical solution of the present invention with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the present invention.

Claims

1. A COG display module, characterized in that: It includes a box body, a 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 supporting frame, an adapter board is arranged on the supporting frame, the COG light board is connected to the HUB board through a connector on the adapter board, the supporting 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.

2. A COG display module according to claim 1, characterized in that: A plurality of 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 1, characterized in that: The support frame is an aluminum alloy frame, and the COG lamp board is connected to the upper surface of the support frame through thermal conductive adhesive, and the thermal conductive adhesive is arranged around the COG lamp board.

4. The COG display module according to claim 1, characterized in that: The support frame is provided with a middle beam, a lower surface of the middle beam is provided with a connecting seat, and the adapter plate is fixedly connected to the connecting seat by screws.

5. The COG display module according to claim 1, characterized in that: A limiting structure is arranged between the support frame and the box body, and a connecting column for fixing the support frame is arranged inside the box body.

6. A COG display module according to claim 5, characterized in that: The limiting structure includes a support platform arranged on the edge of the lower surface of the support frame, a first limiting platform is arranged on the top end of the lateral side wall of the box body, 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 lateral side of the support frame, and the first limiting strip is clamped in the first limiting groove; a second limiting platform is arranged on the top end of the longitudinal side wall of the box body, 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.

7. The COG display module according to claim 6, characterized in that: A middle limit platform is arranged on the inner surface of the bottom of the box body, and the middle limit platform is located between two adjacent support frames. A cross limit groove is arranged on the top of the middle limit platform. A T-shaped limit strip adapted to the cross limit groove is arranged on the support platform in the middle of the lower surface of the connecting end of the adjacent support frames, and the T-shaped limit strips of the two adjacent support frames are clamped in the same cross limit groove.

8. The COG display module according to claim 7, characterized in that: 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 supporting platform on the lower surface of the connecting end of the adjacent supporting frame, and the third limiting strip is clamped in the third limiting groove.

9. The COG display module according to claim 1, characterized in that: A mounting plate is arranged on the side of the support frame, and a connecting block is arranged on the lower surface of the mounting plate and the support frame. The connecting block is an iron block, and magnets corresponding to the iron blocks are arranged on the connecting columns.

10. A method for installing a COG display module according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1. Fix the power supply inside the box with screws; S2. Fix the HUB board on the fixing column inside the box with screws, and connect the power supply to the HUB board; S3. Fix the COG light board to the upper surface of the support frame through the thermal conductive adhesive connection layer, connect the adapter board to the connection seat on the lower surface of the support frame through screws, connect the connector on the upper surface of the adapter board to the COG light board, and connect the connector on the lower surface of the adapter board to the connector on the HUB board; S4. Align the support platform 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, and insert the first limit bar, the second limit bar, the third limit bar and the T-shaped limit bar into the first limit groove, the second limit groove, the third limit groove and the cross limit groove respectively; the iron block on the support frame and the magnet on the connecting column inside the box body are adsorbed and fixed one by one; the installation is completed.

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