A method of setting a display screen light source

Abstract

The present application relates to a kind of display screen light source setting method, comprising the following steps: first, making LED light source, the LED light source includes penetrating part, light source part and several electric pins, second, making LED lamp plate, the LED lamp plate includes lamp plate surface, device connection surface and several insertion holes, third, several LED light source is correspondingly inserted in the several insertion holes of the LED lamp plate, the penetrating part of each LED light source is inserted in one insertion hole, the outer side of the penetrating part is contacted with the inner hole wall of the insertion hole, a fastening structure is formed by the outer side and the inner hole wall, the several electric pins of each LED light source are connected on the device connection surface of the LED lamp plate, and the light source part of each LED light source is protruded outside the lamp plate surface of the LED lamp plate.

Description

Technical Field

[0001] This invention relates to a method for setting a light source, and more particularly to a method for setting an LED light source for an LED display screen. Background Technology

[0002] LED displays are a new type of imaging electronic device made by arranging light-emitting diodes in sequence. Due to their high brightness, wide viewing angle, and long lifespan, they are being widely used in products such as outdoor advertising screens.

[0003] like Figure 1 As shown, this is the structure of a traditional LED display panel, which includes an LED panel 1 and several LED light sources 2. The LED light sources 2 are surface-mounted and electrically connected to the LED panel 1. When working, the LED light sources 2 are powered on and emit light to display image information.

[0004] During assembly, the LED light board 1 is assembled in the LED module housing, and several LED modules are assembled in the LED cabinet to form an LED display screen.

[0005] However, the traditional LED display panel structure still has the following drawbacks in practical applications, which are described below.

[0006] First, the multiple LED light sources 2 are all surface-mount electrically connected to one side of the LED light board 1. This connection structure is relatively fragile, and the LED light sources 2 can easily detach from the LED light board 1 under slight external force. Second, while multiple LED light sources 2 are simultaneously surface-mount electrically connected to one side of the LED light board 1, the limited area of ​​the LED light board 1 makes it easy for the LED light sources 2 to interfere with each other during assembly. This is detrimental to surface-mount assembly and also hinders the reduction of pixel pitch between the LED light sources 2. Furthermore, the assembly gap between the LED light board 1 and the LED module housing inevitably affects the overall waterproof performance of the module. Traditional LED display light board structures generally suffer from poor waterproof performance. These are the main drawbacks of the existing technology. Summary of the Invention

[0007] The technical solution adopted in this invention is as follows: a method for setting a display screen light source, comprising the following steps: First, fabricating an LED light source, the LED light source comprising an insertion part, a light source part, and several power connection pins, wherein the light source part is connected to the top of the insertion part, and the several power connection pins are connected to the bottom of the insertion part; Second, fabricating an LED light board, the LED light board comprising a light board surface, a device connection surface, and several sockets, wherein the light board surface and the device connection surface are respectively located on both sides of the LED light board, and several sockets are opened on the LED light board, such that each socket... The holes are all set through between the lamp board surface and the device connection surface. In the third step, several LED light sources are inserted one by one into several of the holes on the LED lamp board. The penetrating part of each LED light source is inserted into one of the holes, so that the outer side of the penetrating part contacts the inner wall of the hole. A fastening structure is formed by the outer side and the inner wall. Several power-connecting pins of each LED light source are connected to the device connection surface of the LED lamp board, so that the light source part of each LED light source protrudes from the outside of the lamp board surface.

[0008] The beneficial effects of this invention are as follows: Firstly, by inserting the LED light source into the socket of the LED light board to form a fastening structure, the LED light source can be stably connected to the LED light board. Secondly, the power-on pins of the LED light source are connected to the device connection surface of the LED light board, which effectively utilizes the surface area of ​​the LED light board, allowing both the light board surface and the device connection surface to be reused. In other words, by placing the power-on portions of numerous LED light sources on the device connection surface, the area occupied by the light sources on the light board surface can be reduced, thereby reducing the difficulty of reducing pixel pitch on the light board surface. Thirdly, the insertion structure of the LED light source, combined with other structures of this invention, can significantly improve the overall waterproof rating of the LED display module.

[0009] Furthermore, the adhesive material used in the method of this invention has the following effects. First, it enables the adhesive material to completely encapsulate the LED light source, allowing the light emitted by the LED light source to completely pass through the adhesive material before being emitted through the lens cover, thus improving luminous efficiency. Second, it enables the adhesive material to conduct heat comprehensively to the LED light source, and ultimately dissipates the heat outward through the light source structure. In addition, the complete encapsulation of the LED light source by the adhesive material improves the waterproof rating of the LED light source portion. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of existing technology.

[0011] Figure 2 This is a schematic diagram of the present invention.

[0012] Figure 3 This is a schematic diagram of the structure of the present invention.

[0013] Figure 4 This is a schematic diagram of the light source part of the present invention.

[0014] Figure 5 This is a schematic diagram of the adhesive structure of the present invention.

[0015] Figure 6 This is a schematic diagram of the assembly of the LED light source and the bonding adhesive of the present invention.

[0016] Figure 7 This is a schematic diagram of the assembly of the lens top cover of the present invention.

[0017] Figure 8 This is a schematic diagram of the pressing and assembly of the LED light source, bonding colloid, and lens top cover of the present invention.

[0018] Figure 9 This is an assembly diagram of the insertion part of the present invention.

[0019] Figure 10 This is a three-dimensional schematic diagram of the insertion part of the present invention.

[0020] Figure 11 This is a top view of the assembly of the insertion part of the present invention.

[0021] Figure 12 This is a schematic diagram of the structure of the present invention assembled in the LED module housing. Detailed Implementation

[0022] like Figures 2 to 12 As shown, a method for setting a display screen light source includes the following steps.

[0023] Step 1: Make an LED light source 100.

[0024] The LED light source 100 includes an insertion portion 10, a light source portion 20, and several power connection pins 30, wherein the light source portion 20 is connected to the top of the insertion portion 10, and the several power connection pins 30 are connected to the bottom of the insertion portion 10.

[0025] Step 2: Make LED light board 200.

[0026] The LED light board 200 includes a light board surface 210, a device connection surface 220, and a plurality of sockets 230. The light board surface 210 and the device connection surface 220 are located on opposite sides of the LED light board 200. A plurality of sockets 230 are formed on the LED light board 200, such that each socket 230 is disposed between the light board surface 210 and the device connection surface 220.

[0027] The third step is to insert several LED light sources 100 into several sockets 230 of the LED light board 200 one by one.

[0028] Each LED light source 100 has its insertion portion 10 inserted into a socket 230, with the outer side 73 of the insertion portion 10 contacting the inner wall 231 of the socket 230. A fastening structure is formed by the outer side 73 and the inner wall 231. Several power pins 30 of each LED light source 100 are connected to the device connection surface 220 of the LED light board 200, so that the light source portion 20 of each LED light source 100 protrudes from the outside of the light board surface 210 of the LED light board 200.

[0029] like Figure 12 As shown, the fourth step is to place the LED light board 200 from the third step into the LED module housing 300.

[0030] The LED module housing 300 includes a face mask 310 and an adhesive layer 320. The face mask 310 has several light source holes 311, and each LED light source 100 passes through the light source hole 311. A waterproof rubber ring 312 is provided between the LED light source 100 and the light source hole 311. The adhesive layer 320 is encapsulated on the device connection surface 220 of the LED light board 200, so that the power connection pin 30 of the LED light source 100 is encapsulated in the adhesive layer 320.

[0031] In practice, the LED module housing 300 is directly mounted on the LED display cabinet, and its overall structure is relatively thin and light. At the same time, the waterproof rubber ring 312 and the back adhesive layer 320 can improve the overall waterproof level of the LED module.

[0032] like Figure 4 As shown, in the first step, the light source portion 20 of the LED light source 100 includes a light source structure 40, an LED light source 45, and an adhesive 46. The light source structure 40 includes a base plate 41, side walls 42, and a lens cover 43. The side walls 42 are disposed around the base plate 41, and the lens cover 43 is snapped onto the side walls 42. The base plate 41, the side walls 42, and the lens cover 43 surround and form a light source cavity 44. The LED light source 45 and the adhesive 46 are disposed in the light source cavity 44. The LED light source 45 is fixedly disposed on the base plate 41, and the adhesive 46 is pressed between the LED light source 45 and the lens cover 43. The light emitted by the LED light source 45 passes through the adhesive 46 and the lens cover 43 in sequence and is then emitted.

[0033] like Figure 5As shown, the adhesive 46 is generally disc-shaped. The adhesive 46 includes an adhesive disc 50 and an annular rib 60. The annular rib 60 is arranged around the adhesive disc 50. During production, the adhesive 46 is formed in one step by optical adhesive. The adhesive disc 50 contains phosphor to enhance light efficiency. In practice, the cross-section of the annular rib 60 is disc-shaped. The adhesive disc 50 has a top cover adhesive surface 51 and a light source adhesive surface 52. The annular rib 60 has an inner ring surface 61, a bottom ring surface 62, and an outer ring surface 63. The top cover adhesive surface 51 is connected to the outer ring surface 63. The top cover adhesive surface 51 is a plane. Corresponding to the top cover adhesive surface 51, an externally convex lens 53 is provided on the inner side of the lens top cover 43. The externally convex surface of the externally convex lens 53 is pressed onto the top cover adhesive surface 51.

[0034] The light source bonding surface 52 is connected to the inner side surface 61 of the ring. A light source bonding cavity 47 is formed by the light source bonding surface 52 and the inner side surface 61 of the ring. The light source bonding surface 52 is an outwardly convex arc surface. The LED light source 45 is covered in the light source bonding cavity 47. The light source bonding surface 52 is pressed against the top surface of the LED light source 45, the inner side surface 61 of the ring is pressed against the side wall of the LED light source 45, and the bottom surface 62 of the ring is pressed against the base plate 41 of the light source structure 40. Through the above structure, the bonding adhesive 46 can completely wrap the LED light source 45, so that the light emitted by the LED light source 45 can completely pass through the bonding adhesive 46 and then be irradiated through the lens top cover 43.

[0035] The structural configuration of the bonding colloid 46 described above has the following effects.

[0036] First, the adhesive 46 can completely encapsulate the LED light source 45, allowing the light emitted by the LED light source 45 to pass completely through the adhesive 46 before being projected through the lens cover 43, thus improving luminous efficiency. Second, the adhesive 46 can conduct heat to the LED light source 45, and the heat is ultimately dissipated outward through the light source structure 40. In addition, the complete encapsulation of the LED light source 45 by the adhesive 46 can improve the waterproof rating of the LED light source.

[0037] like Figures 6 to 7 As shown, its structure facilitates production and improves processing efficiency. The specific description is as follows: when processing the light source part 20, the following steps are followed.

[0038] Step A: Connect the LED light source 45 to the base plate 41. Step B: Cover the LED light source 45 with the adhesive 46 so that the LED light source 45 is located in the light source bonding cavity 47, completing the initial positioning. Step C: Press the lens top cover 43 into the light source structure 40 to complete the overall pressing assembly.

[0039] The specific working process of step C is described as follows. The lens top cover 43 moves gradually toward the light source structure 40, and the lens top cover 43 is finally snapped into the light source structure 40. During the above pressing process, the bonding disk 50 is located between the top surface of the LED light source 45 and the convex surface of the convex lens 53.

[0040] like Figure 8 As shown by the middle arrow, during the pressing process, between the bonding disc 50 and the outer convex surface of the outer convex lens 53, firstly, the central portion of the outer convex surface of the outer convex lens 53 contacts the top cover bonding surface 51. Then, the surrounding portion of the outer convex surface of the outer convex lens 53 is gradually pressed into the top cover bonding surface 51 from the inside out. During this process, the air is expelled by the compression of the top cover bonding surface 51. The air between the outer convex surface of the outer convex lens 53 and the top cover bonding surface 51 is squeezed out through the physical deformation of the top cover bonding surface 51.

[0041] like Figure 8 As shown by the middle arrow, during the pressing process, between the bonding plate 50 and the top surface of the LED light source 45, firstly, the central part of the light source bonding surface 52 contacts the top surface of the LED light source 45. Then, the surrounding parts of the light source bonding surface 52 are gradually pressed onto the top surface of the LED light source 45 from the inside out. During this process, the light source bonding surface 52 gradually completes the extrusion and degassing. Through the physical deformation of the light source bonding surface 52, the air between the light source bonding surface 52 and the top surface of the LED light source 45 is expelled. In the above manner, one-time pressing and molding can be achieved, and a tight connection can be achieved between the LED light source 45, the bonding adhesive 46, and the lens top cover 43. At the same time, the pressing structure is compact and there are no air bubbles between the structures.

[0042] In the first step, the insertion part 10 has a top surface 71, a bottom surface 72, and an outer surface 73. The outer surface 73 is connected between the top surface 71 and the bottom surface 72. One end of the power pin 30 is connected to the bottom surface 72, and the other end is connected to the device connection surface 220. The top surface 71 is provided with a contact point 74. Corresponding to the contact point 74, the bottom of the light source part 20 is provided with a light source contact point 21. The light source contact point 21 corresponds one-to-one with the contact point 74 and is connected to the contact point 74 to realize the electrical connection between the light source part 20 and the device connection surface 220. The contact point 74 is electrically connected to the power pin 30. This is prior art and will not be described in detail here.

[0043] The outer surface 73 includes an upper top surface 81, a lower bottom surface 82, a vertical side surface 91, and a clearance side surface 92. The vertical side surface 91 and the clearance side surface 92 are connected between the upper top surface 81 and the lower bottom surface 82. An insertion mounting surface 83 and a clearance cavity 84 are respectively provided on the upper top surface 81 and the lower bottom surface 82. The clearance cavity 84 is recessed on the upper top surface 81 and the lower bottom surface 82, and a solder block 85 is provided in the clearance cavity 84. An upper mounting ridge 93, a lower mounting ridge 94, and a clearance groove 95 are provided on the clearance side surface 92. The clearance groove 95 is located between the upper mounting ridge 93 and the lower mounting ridge 94. The upper mounting ridge 93 is connected to one side of the upper top surface 81, and the lower mounting ridge 94 is connected to one side of the lower bottom surface 82.

[0044] In the third step, the LED light source 100 is inserted into the socket 230 of the LED light board 200 according to the following steps.

[0045] Step A: The upper and lower jaws of the clamp respectively clamp the clearance cavities 84 of the upper top surface 81 and the lower bottom surface 82 of the insertion part 10. Step B: The clamp inserts the LED light source 100 into the socket 230, so that the insertion mounting surface 83 of the insertion part 10 presses against the inner wall 231 of the socket 230. At the same time, the upper mounting edge 93 and the lower mounting edge 94 of the insertion part 10 abut against the inner corner of the socket 230. Step C: ... The power-connecting pin 30 of the LED light source 100 is soldered onto the device connection surface 220. Step D: The solder block 85 is melted by a soldering machine (e.g., microwave soldering machine, wave soldering machine, etc.) and the insertion part 10 is soldered into the socket 230. Step E: The light source part 20 is attached to the attachment top surface 71 of the insertion part 10, so that the light source contact 21 is connected to the attachment contact 74, thereby realizing the electrical connection between the light source part 20 and the device connection surface 220.

[0046] The design concept of this invention is as follows: First, by inserting the LED light source 100 into the socket 230 of the LED light board 200 to form a fastening structure, the LED light source 100 can be stably connected to the LED light board 200. Second, the power connection pins 30 of the LED light source 100 are connected to the device connection surface 220 of the LED light board 200, which can effectively utilize the surface area of ​​the LED light board 200, allowing both the light board surface 210 and the device connection surface 220 to be reused. In other words, by placing the power connection parts of a large number of LED light sources 100 on the device connection surface 220, the area occupied by the light source on the light board surface 210 can be reduced, thereby reducing the difficulty of reducing the pixel pitch at the light board surface 210. Third, the insertion structure of the LED light source 100, combined with other structures of this invention, can significantly improve the waterproof rating of the overall LED display module.

Claims

1. A method for setting a light source for a display screen, characterized in that, Includes the following steps: Step 1: Make an LED light source. The LED light source includes an insertion part, a light source part, and several power connection pins. The light source part is connected to the top of the insertion part, and the several power connection pins are connected to the bottom of the insertion part. The second step is to manufacture the LED light board. The LED light board includes a light board surface, a device connection surface, and several sockets. The light board surface and the device connection surface are located on opposite sides of the LED light board. Several sockets are formed on the LED light board, with each socket penetrating between the light board surface and the device connection surface. The third step is to insert each of the LED light sources into one of the corresponding sockets on the LED light board. Each LED light source's insertion portion is inserted into a socket, with the outer surface of the insertion portion contacting the inner wall of the socket, forming a fastening structure through the outer surface and the inner wall. Several power pins of each LED light source are connected to the device connection surface of the LED light board, so that the light source portion of each LED light source protrudes from the outer surface of the LED light board. In the first step, the light source portion of the LED light source includes a light source structure, an LED light source, and an adhesive. The light source structure includes a base plate, side walls, and a lens cap. The side walls are disposed around the base plate, and the lens cap is snapped onto the side walls. The base plate, side walls, and lens cap together form a light source cavity. The LED light source and the adhesive are disposed within this light source cavity. The LED light source is fixedly mounted on the base plate, and the adhesive is pressed between the LED light source and the lens cap. The bonding adhesive includes a bonding disc and annular ribs. The annular ribs are arranged around the bonding disc. The bonding disc has a top cover bonding surface and a light source bonding surface. The annular ribs have an inner surface, a bottom surface, and an outer surface. The top cover bonding surface is connected to the outer surface of the annular ribs and is a flat surface. Corresponding to the top cover bonding surface, a convex lens is disposed on the inner side of the lens top cover, and the convex surface of the convex lens is pressed against the top cover bonding surface. The light source bonding surface is connected to the inner surface of the ring, and a light source bonding cavity is formed by the light source bonding surface and the inner surface of the ring. The light source bonding surface is an outwardly convex arc surface. The LED light source is encased in the light source bonding cavity, wherein the bonding surface of the light source is pressed against the top surface of the LED light source, the inner side of the ring is pressed against the side wall of the LED light source, and the bottom surface of the ring is pressed against the base plate of the light source structure.

2. The method for setting a display screen light source as described in claim 1, characterized in that: The process also includes a fourth step: installing the LED light board from the third step into the LED module housing. The LED module housing includes a face mask and an adhesive backing layer. The face mask has several light source holes, and each LED light source passes through the light source hole. A waterproof rubber ring is provided between the LED light source and the light source hole. The adhesive backing layer is sealed on the device connection surface of the LED light board, so that the power connection pin of the LED light source is sealed in the adhesive backing layer.

3. The method for setting a display screen light source as described in claim 1, characterized in that: The following steps should be followed when processing the light source part: Step A: Connect the LED light source to the base plate. Step B: Apply the bonding adhesive to the LED light source, positioning the LED light source within the bonding cavity, thus completing the initial positioning. Step C: Press the lens top cover into the light source structure to complete the overall pressing assembly.

4. The method for setting a display screen light source as described in claim 3, characterized in that: Step C involves the lens cap gradually moving towards the light source structure until it is finally engaged within the light source structure. During the pressing process in step C, the bonding pad is located between the top surface of the LED light source and the outer convex surface of the convex lens. During the pressing process, between the bonding disc and the convex surface of the convex lens, firstly, the central portion of the convex surface of the convex lens contacts the top cover bonding surface. Then, the peripheral portion of the convex surface of the convex lens is gradually pressed into the top cover bonding surface from the inside out. During this process, the top cover bonding surface gradually expels air by squeezing it out. The physical deformation of the top cover bonding surface forces the air out between the convex surface of the convex lens and the top cover bonding surface. During the pressing process, between the bonding pad and the top surface of the LED light source, firstly, the central part of the bonding surface of the light source contacts the top surface of the LED light source. Then, the surrounding parts of the bonding surface of the light source are gradually pressed onto the top surface of the LED light source from the inside out. During this process, the bonding surface of the light source gradually completes the extrusion and degassing. Through the physical deformation of the bonding surface of the light source, the air between the bonding surface of the light source and the top surface of the LED light source is expelled.

5. The method for setting a display screen light source as described in claim 1, characterized in that: In the first step, the insertion portion has a top surface for contact, a bottom surface for connection, and an outer surface. The outer surface connects the top surface for contact and the bottom surface for connection. One end of the power-connecting pin is connected to the bottom surface for connection, and the other end of the power-connecting pin is connected to the device connection surface. A contact point is provided on the top surface for contact, and a light source contact is provided at the bottom of the light source portion corresponding to the contact point. The light source contact is connected to the contact point for contact, thereby achieving electrical connection between the light source portion and the device connection surface. The outer surface includes a top surface, a bottom surface, a vertical side surface, and a clearance side surface. The vertical side surface and the clearance side surface connect the top surface and the bottom surface. An insertion mounting surface and a clearance cavity are respectively provided on the top surface and the bottom surface. The clearance cavity is recessed into the top surface and the bottom surface, respectively, and a solder block is disposed within the clearance cavity. The clearance side is provided with an upper mounting ridge, a lower mounting ridge, and a clearance groove, wherein the clearance groove is located between the upper mounting ridge and the lower mounting ridge, the upper mounting ridge is connected to one side of the upper top surface, and the lower mounting ridge is connected to one side of the lower bottom surface.

6. The method for setting a display screen light source as described in claim 5, characterized in that: In the third step, insert the LED light source into the socket on the LED light board according to the following steps. Step A: The upper and lower jaws of the clamp respectively grip the clearance cavities on the upper top surface and the lower bottom surface of the insertion part. Step B: The fixture inserts the LED light source into the socket, so that the insertion mounting surface of the inserted portion presses against the inner wall of the socket. Meanwhile, the upper and lower mounting edges of the insertion portion abut against the inner corner of the insertion hole. Step C: Solder the power-on pin of the LED light source to the connection surface of the device. Step D: Melt the solder block using a welding machine and weld the insertion part into the socket.

7. The method for setting a display screen light source as described in claim 6, characterized in that: It also includes step E, attaching the light source portion to the top surface of the insertion portion, so that the light source contact is connected to the attachment contact, thereby realizing the electrical connection between the light source portion and the device connection surface.

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