Array condensation type backlight module

Abstract

The array condensation type backlight module comprises a shell, a fixing groove, adjusting grooves and a backlight module body, the fixing groove is formed in the right side of the shell, the adjusting grooves are formed in the top and the bottom of the inner wall of the fixing groove, and the backlight module body is fixedly connected with the left side of the inner wall of the fixing groove. The inner wall of the adjusting groove is movably connected with an array lens fixing mechanism. By arranging the fixing groove, the backlight module can be fixed through the fixing groove, the spacing distance of the array lenses can be adjusted through the adjusting mechanism, light can be detected through the telescopic detection mechanism, and the problems that when array condensation is applied to the backlight module, the spacing distance of the array lenses needs to be manually adjusted, use is very inconvenient, and the working efficiency is high are solved. The problems that the array lens needs to be frequently moved during operation, the operation is tedious, and automatic adjustment cannot be achieved are solved, and the advantage that adjustment is more convenient and faster is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of array light-concentrating type, in particular to an array light-concentrating backlight module. Background Art

[0002] Array focusing is to make the parallel incident light beam hit the first microlens array, and after focusing each sub-unit, re-form the focus of the array arrangement. The incident light beam can be approximately regarded as an array of beam clusters corresponding to the lens array. The refocused multiple small beams are superimposed on each other. Based on the symmetry of the array arrangement, that is, the symmetry of the emitted small beams, the unevenness of the small beams offset each other, and finally form a uniform target light spot on the receiving screen.

[0003] When the array focusing is applied to the backlight module, the spacing of the array lenses needs to be adjusted manually, which is very inconvenient during use. The array lenses need to be moved frequently during operation, which is cumbersome and cannot be adjusted automatically. Summary of the invention

[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the present invention is to provide an array focusing backlight module, which has the advantage of more convenient adjustment and solves the problem that when the array focusing is applied to the backlight module, the spacing of the array lenses needs to be manually adjusted, which is very inconvenient during use, and the array lenses need to be frequently moved during operation, which is cumbersome to operate and cannot be automatically adjusted.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: including a shell, a fixing groove, an adjustment groove and a backlight module, the fixing groove is opened on the right side of the shell, the adjustment groove is opened on the top and bottom of the inner wall of the fixing groove, the backlight module is fixedly connected to the left side of the inner wall of the fixing groove, the inner wall of the adjustment groove is movably connected with an array lens fixing mechanism, the left sides of the inner walls of the adjustment groove are fixedly connected with an adjustment mechanism, and a telescopic detection mechanism is opened at the bottom of the right side of the shell.

[0006] As a preferred embodiment of the present invention, the array lens fixing mechanism includes a fixing frame 1, the fixing frame 1 is movably connected to the left side of the inner wall of the adjustment groove, a placement groove 1 is opened on the right side of the fixing frame 1, the inner wall of the placement groove 1 is movably connected to the array lens 1, the inner wall of the adjustment groove is movably connected to a fixing frame 2, the fixing frame 2 is opened on the right side of the fixing frame 2, and the inner wall of the placement groove 2 is movably connected to the array lens 2.

[0007] As a preferred embodiment of the present invention, the right side of the inner wall of the placement slot one is movably connected with an installation frame one, the right side of the installation frame one is provided with a screw one, the left side of the screw one penetrates through the installation frame one and is threadedly connected with the inner wall of the fixed frame one, and the right side of the inner wall of the placement slot two is movably connected with an installation frame two, the right side of the installation frame two is provided with a screw two, the left side of the screw two penetrates through the installation frame two and is threadedly connected with the inner wall of the fixed frame two.

[0008] As a preferred embodiment of the present invention, a fixing frame is movably connected to the right side of the inner wall of the adjustment groove, a Fresnel array lens is fixedly connected to the inner wall of the fixing frame, and a receiving screen is fixedly connected to the right side of the inner wall of the fixing groove.

[0009] As a preferred embodiment of the present invention, the adjustment mechanism includes motor 1, which is fixedly connected to the bottom of the left side of the inner wall of the adjustment groove, and the output end of the motor 1 is fixedly connected to screw 1, the right side of the inner wall of the adjustment groove is connected to motor 2, and the output end of the motor 2 is fixedly connected to screw 2, and the top of the left side of the inner wall of the adjustment groove is fixedly connected to motor 3, and the output end of the motor 3 is fixedly connected to screw 3.

[0010] As a preferred embodiment of the present invention, both sides of the fixing frame 1 are fixedly connected with adjustment blocks 1, both sides of the fixing frame 2 are fixedly connected with adjustment blocks 2, and both sides of the fixing frame are fixedly connected with adjustment blocks 3.

[0011] As a preferred embodiment of the present invention, the telescopic detection mechanism includes a movable groove, which is opened at the bottom of the right side of the shell, the bottom of the inner wall of the movable groove is movably connected with a connecting piece, and the right side of the connecting piece is fixedly connected with a fixed block.

[0012] As a preferred embodiment of the present invention, a light sensor is fixedly connected to the top of the left side of the fixing block.

[0013] As a preferred embodiment of the present invention, a spring is fixedly connected to the top of the inner wall of the movable groove, and the bottom of the spring is fixedly connected to the top of the connecting piece.

[0014] As a preferred embodiment of the present invention, a permanent magnet is fixedly connected to the bottom of the connecting member, and an electromagnet is fixedly connected to the bottom of the inner wall of the movable groove.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention provides a fixing groove that can fix the backlight module, an adjustment mechanism that can adjust the spacing distance of the array lenses, and a telescopic detection mechanism that can detect light. This solves the problem that when the array focusing is applied to the backlight module, the spacing of the array lenses needs to be manually adjusted, which is very inconvenient to use, the array lenses need to be frequently moved during operation, the operation is cumbersome, and automatic adjustment is impossible. The present invention has the advantage of more convenient adjustment.

[0017] 2. The present invention provides an array lens fixing mechanism, by placing array lens one into placement groove one, and then limiting array lens one through mounting frame one to prevent array lens one from leaving placement groove one, and fixing frame one can fix array lens one, by placing array lens two into placement groove two, and then limiting array lens two through mounting frame two to prevent array lens two from leaving placement groove two, and fixing frame two can fix array lens two.

[0018] 3. The present invention sets an installation frame 1, a screw 1, an installation frame 2 and a screw 2. The installation frame 1 is placed in a placement groove 1, and then the installation frame 1 is fixed to the fixing frame 1 by rotating the screw 1, so that the array lens 1 can be fixed. The installation frame 2 is placed in a placement groove 2, and then the installation frame 2 is fixed to the fixing frame 2 by rotating the screw 2, so that the array lens 2 can be fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0020] Figure 2 It is a schematic diagram of a three-dimensional partial cross-sectional structure of the present invention;

[0021] Figure 3 It is a schematic diagram of a three-dimensional exploded structure of the array lens fixing mechanism of the present invention;

[0022] Figure 4 It is a schematic diagram of a three-dimensional partial cross-sectional structure of the adjustment mechanism of the present invention;

[0023] Figure 5 It is a schematic diagram of the three-dimensional cross-sectional structure of the housing of the present invention;

[0024] Figure 6 This is a schematic diagram of the top view structure of the Fresnel array lens of the present invention;

[0025] Figure 7 The present invention is Figure 5 Enlarged structural diagram at A in the middle.

[0026] In the figure: 1. shell; 2. fixing slot; 3. adjustment slot; 4. backlight module; 5. array lens fixing mechanism; 51. fixing frame 1; 52. placement slot 1; 53. array lens 1; 54. fixing frame 2; 55. placement slot 2; 56. array lens 2; 6. adjustment mechanism; 61. motor 1; 62. screw 1; 63. motor 2; 64. screw 2; 65. motor 3; 66. screw 3; 7. telescopic detection mechanism; 71. moving slot; 72. connecting piece; 73. fixing block; 8. mounting frame 1; 9. screw 1; 10. mounting frame 2; 11. screw 2; 12. fixing frame; 13. Fresnel array lens; 14. receiving screen; 15. adjustment block 1; 16. adjustment block 2; 17. adjustment block 3; 18. light sensor; 19. spring; 20. permanent magnet; 21. electromagnet. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] like Figures 1 to 7 As shown, the present invention includes a shell 1, a fixing slot 2, an adjustment slot 3 and a backlight module 4, the fixing slot 2 is opened on the right side of the shell 1, the adjustment slot 3 is opened on the top and bottom of the inner wall of the fixing slot 2, the backlight module 4 is fixedly connected to the left side of the inner wall of the fixing slot 2, the inner wall of the adjustment slot 3 is movably connected with an array lens fixing mechanism 5, the left sides of the inner walls of the adjustment slot 3 are fixedly connected with adjustment mechanisms 6, and a telescopic detection mechanism 7 is opened at the bottom of the right side of the shell 1.

[0029] refer to Figure 3 The array lens fixing mechanism 5 includes a fixing frame 51, which is movably connected to the left side of the inner wall of the adjustment groove 3. A placement groove 52 is provided on the right side of the fixing frame 51, and an array lens 53 is movably connected to the inner wall of the placement groove 52. A fixing frame 54 is movably connected to the inner wall of the adjustment groove 3. A placement groove 55 is provided on the right side of the fixing frame 54, and an array lens 56 is movably connected to the inner wall of the placement groove 55.

[0030] As a technical optimization scheme of the present invention, by setting an array lens fixing mechanism 5, by placing the array lens 1 53 into the placement groove 1 52, and then limiting the array lens 1 53 through the installation frame 1 8 to prevent the array lens 1 53 from being separated from the placement groove 1 52, the fixing frame 1 51 can fix the array lens 1 53, by placing the array lens 2 56 into the placement groove 2 55, and then limiting the array lens 2 56 through the installation frame 2 10 to prevent the array lens 2 56 from being separated from the placement groove 2 55, the fixing frame 2 54 can fix the array lens 2 56.

[0031] refer to Figure 3 The right side of the inner wall of the placement slot 52 is movably connected with an installation frame 8, and a screw 9 is provided on the right side of the installation frame 8. The left side of the screw 9 penetrates the installation frame 8 and is threadedly connected to the inner wall of the fixed frame 51. The right side of the inner wall of the placement slot 2 55 is movably connected with an installation frame 2 10, and a screw 2 11 is provided on the right side of the installation frame 2 10. The left side of the screw 2 11 penetrates the installation frame 2 10 and is threadedly connected to the inner wall of the fixed frame 2 54.

[0032] As a technical optimization solution of the present invention, by setting an installation frame 18, a screw 19, an installation frame 10 and a screw 11, the installation frame 18 is placed in the placement groove 152, and then the installation frame 18 is fixed to the fixing frame 151 by rotating the screw 19, the array lens 153 can be fixed, and the installation frame 10 is placed in the placement groove 255, and then the installation frame 10 is fixed to the fixing frame 254 by rotating the screw 11, and the array lens 256 can be fixed.

[0033] refer to Figure 3 A fixing frame 12 is movably connected to the right side of the inner wall of the adjustment groove 3, a Fresnel array lens 13 is fixedly connected to the inner wall of the fixing frame 12, and a receiving screen 14 is fixedly connected to the right side of the inner wall of the fixing groove 2.

[0034] As a technical optimization scheme of the present invention, by setting a fixing frame 12, a Fresnel array lens 13 and a receiving screen 14, the backlight module 4 emits a light source, and then the parallel incident light beam hits the first array lens 1 53, and after being focused by each sub-unit, the focus of the array arrangement is reformed. The incident light beam can be approximately regarded as a beam cluster array corresponding to the array lens 1 53, and then the multiple small light beams refocused by the array lens 2 56 are superimposed on each other. Based on the symmetry of the array arrangement, that is, the symmetry of the emitted small light beams, the unevenness of the small light beams offset each other, and the angle of the receiving screen 14 is adjusted by the Fresnel array lens 13, and finally a uniform target light spot is formed on the receiving screen 14 to improve the brightness and brightness uniformity, so that the light can be more concentrated and uniform.

[0035] refer to Figure 4The adjusting mechanism 6 includes a motor 1 61, which is fixedly connected to the bottom of the left side of the inner wall of the adjusting groove 3, and the output end of the motor 1 61 is fixedly connected to a screw 1 62. The right side of the inner wall of the adjusting groove 3 is connected to a motor 2 63, and the output end of the motor 2 63 is fixedly connected to a screw 2 64. The top of the left side of the inner wall of the adjusting groove 3 is fixedly connected to a motor 3 65, and the output end of the motor 3 65 is fixedly connected to a screw 3 66.

[0036] As a technical optimization scheme of the present invention, by setting the adjustment mechanism 6, the motor 1 61 can drive the screw 1 62 to rotate, and the adjustment block 15 is driven to move by the rotation of the screw 1 62. The movement direction of the adjustment block 15 can be controlled by controlling the rotation direction of the motor 1 61. The screw 1 62 is movably connected with the inner wall of the adjustment block 2 16 and the adjustment block 3 17 to limit the movement of the adjustment block 2 16 and the adjustment block 3 17 to avoid deviation. The motor 2 63 can drive the screw 2 64 to rotate, and the adjustment block 2 16 is driven to move by the rotation of the screw 2 64. By controlling the rotation of the motor 2 63 The rotation direction can control the moving direction of the adjusting block 2 16, the movably connected screw rod 2 64 and the inner walls of the adjusting block 1 15 and the adjusting block 3 17 can limit the movement of the adjusting block 1 15 and the adjusting block 3 17 to avoid deviation, the motor 3 65 can drive the screw rod 3 66 to rotate, and the adjusting block 3 17 is driven to move by the rotation of the screw rod 3 66, and the moving direction of the adjusting block 3 17 can be controlled by controlling the rotation direction of the motor 3 65, and the movably connected screw rod 3 66 and the inner walls of the adjusting block 2 16 and the adjusting block 1 15 can limit the movement of the adjusting block 2 16 and the adjusting block 1 15 to avoid deviation.

[0037] refer to Figure 4 , both sides of the fixed frame 51 are fixedly connected with the adjustment block 15, both sides of the fixed frame 54 are fixedly connected with the adjustment block 2 16, and both sides of the fixed frame 12 are fixedly connected with the adjustment block 3 17.

[0038] As a technical optimization solution of the present invention, by setting an adjustment block 15, an adjustment block 16 and an adjustment block 3 17, the screw 1 62 rotates to push the adjustment block 15 to move. When the adjustment block 15 moves, it can drive the fixed frame 1 51 to move, and the fixed frame 1 51 drives the array lens 1 53 to move, so as to adjust the distance between the array lens 1 53 and the array lens 2 56 to make the light more uniform.

[0039] refer to Figure 7 The telescopic detection mechanism 7 includes a movable groove 71, which is opened at the bottom of the right side of the housing 1. The bottom of the inner wall of the movable groove 71 is movably connected with a connecting piece 72, and the right side of the connecting piece 72 is fixedly connected with a fixed block 73.

[0040] As a technical optimization solution of the present invention, by setting the telescopic detection mechanism 7, the movable groove 71 can limit the connecting member 72, and at the same time, the connecting member 72 can move up and down in the movable groove 71. The connecting member 72 drives the fixed block 73 to move when moving. During detection, the fixed block 73 is driven upward by the connecting member 72, and the light intensity of the receiving screen 14 is detected by the light sensor 18.

[0041] refer to Figure 7 The top of the left side of the fixing block 73 is fixedly connected with a light sensor 18 .

[0042] As a technical optimization solution of the present invention, by setting a light sensor 18, the light intensity of the receiving screen 14 is detected by the light sensor 18 to control motor 1 61, motor 2 63 and motor 3 65 to adjust the spacing, so that the brightness of the receiving screen 14 is brighter and the light is more uniform.

[0043] refer to Figure 7 The top of the inner wall of the movable groove 71 is fixedly connected with a spring 19 , and the bottom of the spring 19 is fixedly connected with the top of the connecting member 72 .

[0044] As a technical optimization solution of the present invention, a spring 19 is provided to push the connecting member 72, so that the connecting member 72 drives the fixing block 73 to move downward.

[0045] refer to Figure 7 The bottom of the connecting member 72 is fixedly connected with a permanent magnet 20 , and the bottom of the inner wall of the movable groove 71 is fixedly connected with an electromagnet 21 .

[0046] As a technical optimization solution of the present invention, by setting a permanent magnet 20 and an electromagnet 21, when detection is required, the electromagnet 21 is energized to generate a magnetic force, which repels the permanent magnet 20 and pushes the permanent magnet 20 upward, and the permanent magnet 20 drives the connecting piece 72 to move upward.

[0047] The working principle and use process of the present invention are as follows: when in use, the array lens 1 53 is placed into the placement groove 1 52, and then the array lens 1 53 is limited by the installation frame 1 8 to prevent the array lens 1 53 from being separated from the placement groove 1 52, and the fixed frame 1 51 can fix the array lens 1 53, and the array lens 2 56 is placed into the placement groove 2 55, and then the array lens 2 56 is limited by the installation frame 2 10 to prevent the array lens 2 56 from being separated from the placement groove 2 55, and the fixed frame 2 54 can fix the array lens 2 56, and then the installation frame 1 8 is placed into the placement groove 1 52, and then the installation frame 1 8 is fixed to the fixed frame 1 51 by rotating the screw 1 9, and the array lens 1 53 can be fixed, and then the installation frame 1 1 0 is placed in the placement slot 2 55, and then the installation frame 2 10 and the fixing frame 2 54 are fixed by rotating the screw 2 11, and the array lens 2 56 can be fixed. The backlight module 4 emits a light source, and then the parallel incident light beam hits the first surface array lens 1 53. After being focused by each sub-unit, the focus of the array arrangement is re-formed. The incident light beam can be approximately regarded as a beam cluster array corresponding to the array lens 1 53, and then the multiple small light beams refocused by the array lens 2 56 are superimposed on each other. Based on the symmetry of the array arrangement, that is, the symmetry of the emitted small light beams, the unevenness of the small light beams offset each other, and the angle of hitting the receiving screen 14 is adjusted by the Fresnel array lens 13, and finally a uniform target light is formed on the receiving screen 14. Spots can be used to improve brightness and brightness uniformity, make the light more concentrated and uniform, thereby improving the brightness of the receiving screen 14 and reducing the phenomenon of uneven brightness. It can control light more finely and achieve more accurate control of the backlight, which is helpful to improve the contrast and layering of the picture. The light output uniformity is good. By adjusting the spacing between the backlight module 4 and the receiving screen 14 layer, the collimated light beams of two adjacent light source elements are periodically spliced ​​and mixed, which can effectively improve the light output uniformity, help improve the color gamut, make the color purer, the color more accurate, the color more stable, present richer and more accurate colors, and improve the image fineness of the visual focus. Targeted image optimization processing can be performed for different panel styles, and hundreds of partitions on the screen can be analyzed in real time, and hundreds of thousands of images can be identified. The image object can be judged from the position, size and movement of the image which object or block on the screen will be the focus of the viewer's attention, and the strongest and most delicate image optimization processing is applied here. The motor 1 61 can drive the screw 1 62 to rotate, and the adjustment block 15 is driven to move by the rotation of the screw 1 62. The movement direction of the adjustment block 15 can be controlled by controlling the rotation direction of the motor 1 61. The screw 1 62 is movably connected with the inner wall of the adjustment block 2 16 and the adjustment block 3 17 to limit the movement of the adjustment block 2 16 and the adjustment block 3 17 to avoid deviation. The motor 2 63 can drive the screw 2 64 to rotate, and the adjustment block 2 16 is driven to move by the rotation of the screw 2 64. The movement direction of the adjustment block 2 16 can be controlled by controlling the rotation direction of the motor 2 63.The movable connection between the screw rod 2 64 and the inner wall of the adjusting block 15 and the adjusting block 3 17 can limit the movement of the adjusting block 15 and the adjusting block 3 17 to avoid deviation. The motor 3 65 can drive the screw rod 3 66 to rotate, and the adjusting block 3 17 is driven to move by the rotation of the screw rod 3 66. The movement direction of the adjusting block 3 17 can be controlled by controlling the rotation direction of the motor 3 65. The screw rod 3 66 is movably connected with the inner wall of the adjusting block 2 16 and the adjusting block 15 to limit the movement of the adjusting block 2 16 and the adjusting block 15 to avoid deviation. The screw rod 1 62 rotates to push the adjusting block 15 to move. When the adjusting block 15 moves, it can drive the fixed frame 1 51 to move, and the fixed frame 1 51 drives the array lens 1 53 to move, so as to adjust the distance between the array lens 1 53 and the array lens 2 56, so that the light is more uniform and the moving The slot 71 can limit the connection member 72, and at the same time, the connection member 72 can move up and down in the movable slot 71. When the connection member 72 moves, it drives the fixed block 73 to move. When detecting, the connection member 72 drives the fixed block 73 to move upward. The light intensity of the receiving screen 14 is detected by the light sensor 18. The light intensity of the receiving screen 14 is detected by the light sensor 18 to control the motor 1 61, the motor 2 63 and the motor 3 65 to adjust the spacing, so that the brightness of the receiving screen 14 is brighter and the light is more uniform. The spring 19 pushes the connection member 72 to drive the fixed block 73 to move downward. When detection is required, the electromagnet 21 is energized to generate magnetic force, which repel each other with the permanent magnet 20, push the permanent magnet 20 upward, and the permanent magnet 20 drives the connection member 72 to move upward.

[0048] To sum up: this array focusing backlight module, by setting a fixing groove 2, the fixing groove 2 can fix the backlight module 4, the adjustment mechanism 6 can adjust the spacing distance of the array lenses, and the telescopic detection mechanism 7 can detect the light, which solves the problem that when the array focusing is applied to the backlight module, the spacing of the array lenses needs to be manually adjusted, which is very inconvenient to use, and the array lenses need to be frequently moved during operation, the operation is cumbersome, and cannot be automatically adjusted.

[0049] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An array focusing backlight module, comprising a housing (1), a fixing slot (2), an adjustment slot (3) and a backlight module (4), characterized in that: The fixing groove (2) is provided on the right side of the housing (1); the adjusting groove (3) is provided on the top and bottom of the inner wall of the fixing groove (2); the backlight module (4) is fixedly connected to the left side of the inner wall of the fixing groove (2); the inner wall of the adjusting groove (3) is movably connected to an array lens fixing mechanism (5); the left sides of both sides of the inner wall of the adjusting groove (3) are fixedly connected to adjusting mechanisms (6); and a telescopic detection mechanism (7) is provided at the bottom of the right side of the housing (1).

2. The array focusing backlight module according to claim 1, characterized in that: The array lens fixing mechanism (5) comprises a fixing frame (51) which is movably connected to the left side of the inner wall of the adjustment groove (3); a placement groove (52) is provided on the right side of the fixing frame (51); an array lens (53) is movably connected to the inner wall of the placement groove (52); a fixing frame (54) is movably connected to the inner wall of the adjustment groove (3); a placement groove (55) is provided on the right side of the fixing frame (54); and an array lens (56) is movably connected to the inner wall of the placement groove (55).

3. The array focusing backlight module according to claim 2, characterized in that: The right side of the inner wall of the placement groove 1 (52) is movably connected with the installation frame 1 (8), the right side of the installation frame 1 (8) is provided with a screw 1 (9), the left side of the screw 1 (9) penetrates the installation frame 1 (8) and is threadedly connected with the inner wall of the fixed frame 1 (51), the right side of the inner wall of the placement groove 2 (55) is movably connected with the installation frame 2 (10), the right side of the installation frame 2 (10) is provided with a screw 2 (11), the left side of the screw 2 (11) penetrates the installation frame 2 (10) and is threadedly connected with the inner wall of the fixed frame 2 (54).

4. The array focusing backlight module according to claim 2, characterized in that: A fixing frame (12) is movably connected to the right side of the inner wall of the adjustment groove (3), a Fresnel array lens (13) is fixedly connected to the inner wall of the fixing frame (12), and a receiving screen (14) is fixedly connected to the right side of the inner wall of the fixing groove (2).

5. The array-focusing backlight module according to claim 1, characterized in that: The adjusting mechanism (6) comprises a motor 1 (61), the motor 1 (61) being fixedly connected to the bottom of the left side of the inner wall of the adjusting groove (3), the output end of the motor 1 (61) being fixedly connected to a screw 1 (62), the right side of the inner wall of the adjusting groove (3) being connected to a motor 2 (63), the output end of the motor 2 (63) being fixedly connected to a screw 2 (64), the top of the left side of the inner wall of the adjusting groove (3) being fixedly connected to a motor 3 (65), the output end of the motor 3 (65) being fixedly connected to a screw 3 (66).

6. The array-focusing backlight module according to claim 4, characterized in that: Both sides of the fixing frame 1 (51) are fixedly connected with adjustment blocks 1 (15), both sides of the fixing frame 2 (54) are fixedly connected with adjustment blocks 2 (16), and both sides of the fixing frame (12) are fixedly connected with adjustment blocks 3 (17).

7. The array-focusing backlight module according to claim 1, characterized in that: The telescopic detection mechanism (7) comprises a movable groove (71), the movable groove (71) being arranged at the bottom of the right side of the housing (1), the bottom of the inner wall of the movable groove (71) being movably connected to a connecting piece (72), and the right side of the connecting piece (72) being fixedly connected to a fixing block (73).

8. The array focusing backlight module according to claim 7, characterized in that: A light sensor (18) is fixedly connected to the top of the left side of the fixing block (73).

9. The array-focusing backlight module according to claim 7, characterized in that: A spring (19) is fixedly connected to the top of the inner wall of the movable groove (71), and the bottom of the spring (19) is fixedly connected to the top of the connecting member (72).

10. The array focusing backlight module according to claim 7, characterized in that: The bottom of the connecting member (72) is fixedly connected to a permanent magnet (20), and the bottom of the inner wall of the movable groove (71) is fixedly connected to an electromagnet (21).

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