High color saturation backlight module and test method thereof

Abstract

The invention provides a high-color-saturation backlight module and a testing method thereof, and relates to the technical field of backlight modules, the high-color-saturation backlight module comprises a device main body, the high-color-saturation backlight module is further provided with a dust cleaning mechanism, the dust cleaning mechanism comprises a collecting frame, a movable long plate, a cleaning brush and two long rods, and the surface of the device main body is fixedly connected with a fixing frame; lifting plates are arranged at the front end and the rear end of the fixed frame, the two lifting plates are parallel to each other, the two long rods are located between the two lifting plates, the two long rods are parallel to each other, a worker moves the two lifting plates, the two lifting plates drive the collecting frame, the movable long plate and the cleaning brush to ascend, at the moment, the movable long plate is pulled to move forwards, and the cleaning brush is cleaned. The long plate is moved to drive the cleaning brush to move, and the cleaning brush can clean the surface of the device main body when moving, so that the backlight module can effectively keep the surface clean and prevent impurities such as dust from scattering and blocking light rays, thereby ensuring the definition and brightness uniformity of a display picture.

Description

Technical Field

[0001] The present invention belongs to the technical field of backlight modules, and more specifically, particularly relates to a high color saturation backlight module and a testing method thereof. Background Art

[0002] A high color saturation backlight module is a backlight technology component that can provide a high color saturation display effect. It optimizes the characteristics of the light source and related optical design, allowing the display screen to show more vivid, lively and realistic colors. For example, in high-end TVs and professional display devices, this backlight module can significantly enhance the visual impact and realism of the image, bringing users a better visual experience.

[0003] However, during the implementation of the above technical solution, it was found that there were at least the following technical problems:

[0004] When users are using the screen, dust on their clothes or surrounding objects may be attracted to the module surface due to static electricity and other reasons. For example, when wearing synthetic clothing that is prone to static electricity, dust is more likely to adhere. The presence of dust may cause light scattering and unevenness, making the display image blurry, uneven brightness, or even color deviation.

[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and a high color saturation backlight module and a testing method thereof are provided, in order to achieve a more practical purpose. Summary of the invention

[0006] In order to solve the above technical problems, the present invention provides a high color saturation backlight module and a testing method thereof to solve the above problems.

[0007] A high color saturation backlight module comprises a device main body. The high color saturation backlight module is also provided with a dust cleaning mechanism, which comprises a collecting frame, a movable long board, a cleaning brush and two long rods. The surface of the device main body is fixedly connected with a fixed frame, and lifting plates are arranged at the front and rear ends of the fixed frame, the two lifting plates are parallel to each other, the two long rods are located between the two lifting plates, the two long rods are parallel to each other, the front and rear ends of the two long rods are fixedly connected with the corresponding lifting plates, the movable long board is movably sleeved with the two long rods, the lower surface of the movable long board is fixedly connected with the upper surface of the cleaning brush, the movable long board is fitted with the front surface of the rear end lifting plate, the front end positions of the two long rods are provided with lifting blocks, the front surfaces of the two lifting blocks are both provided with holes, and both are movably sleeved with the corresponding long rods through the holes, the collecting frame is located between the two lifting blocks, the two lifting blocks are fixedly connected with the two ends of the collecting frame, the front surface of the collecting frame is fitted with the rear surface of the front end lifting plate, the rear surfaces of the two lifting blocks are fixedly connected with spring 1, and the rear ends of the two springs 1 are fixedly connected with the front surface.

[0008] Preferably, grooves are provided at both ends of the two lifting plates, and each lifting plate is movably connected to a telescopic block through the two grooves. A spring 2 is provided in the telescopic block, and one end of each spring 2 is fixedly connected to the inner wall of the corresponding lifting plate, and the other end of each spring 2 is fixedly connected to the corresponding telescopic block.

[0009] Preferably, both ends of each telescopic block are fixedly connected to a limiting block 1, the inner wall of each lifting plate is provided with a limiting groove 1 corresponding to the position of the limiting block 1, and each limiting block 1 is movably connected to the corresponding lifting plate through the limiting groove 1.

[0010] Preferably, four rectangular holes are provided at both ends of the fixing frame, and the four rectangular holes are all located above the four telescopic blocks. Rectangular grooves are provided through both front and rear ends of the fixing frame, and the two lifting plates are provided with the same rectangular grooves.

[0011] Preferably, two fixing plates 1 are fixedly connected to both the front and rear ends of the fixing frame, and the two fixing plates 1 located on the same side are both arranged at both ends of the rectangular groove.

[0012] Preferably, a fixing plate 2 is provided at both the front and rear ends of the fixing frame, the two fixing plates 2 are fixedly connected to the corresponding fixing plates 1, and a moving block is provided between the two fixing plates 1 located on the same side.

[0013] Preferably, both ends of the two moving blocks are movably connected to the limiting block 2, and each fixed plate 1 is provided with a limiting groove 2 corresponding to the position of the limiting block 2 on one side facing the moving block, and each limiting block 2 is movably connected to the corresponding fixed plate 1 through the limiting groove 2.

[0014] Preferably, a thread groove is formed through the front surfaces of the two fixing plates 2, and the two fixing plates 2 are threadedly sleeved with a threaded rod through the thread groove, and each threaded rod is rotatably connected to the corresponding moving block.

[0015] Preferably, a rotating knob is provided at one end of the two fixing plates facing away from the fixing frame, and a surface of each rotating knob facing the fixing frame is fixedly connected to a corresponding threaded rod.

[0016] Another technical problem to be solved by the present invention is to provide a method for testing a high color saturation backlight module, comprising the following steps:

[0017] S1: Use a high-precision colorimeter or spectrophotometer to measure the color performance of the three primary colors of red, green, and blue and common mixed colors at different brightnesses, compare with the standard color space, analyze the degree of deviation, ensure accurate color reproduction, divide the display area into multiple areas, use a brightness meter to measure the brightness value of the center point of each area, calculate the average value and standard deviation, and evaluate the uniformity;

[0018] S2: Measure the maximum brightness of the all-white screen and the minimum brightness of the all-black screen, calculate the contrast ratio, examine the contrast changes under different brightness settings, display high-saturation color samples, measure their purity and vividness with professional equipment, compare with standard indicators, and determine whether the high saturation requirements are met;

[0019] S3: The staff moves the two lifting plates, so that the two lifting plates drive the collection frame, the moving long plate and the cleaning brush to rise. At this time, the moving long plate is pulled forward, and the moving long plate drives the cleaning brush to move. When the cleaning brush moves, it cleans the surface of the device body;

[0020] S4: When the module is working, use an infrared thermometer to measure the temperature of key parts, monitor temperature changes, ensure good heat dissipation, and do not overheat and affect performance. Let the module work continuously for dozens of hours, regularly measure parameters such as color, brightness, contrast, observe change trends, and evaluate stability.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] In the present invention, by providing a cleaning brush, the staff moves the two lifting plates, so that the two lifting plates drive the collection frame, the movable long plate and the cleaning brush to rise, and then pulls the movable long plate forward to drive the cleaning brush to move. When the cleaning brush moves, it cleans the surface of the device body, so that the backlight module can effectively keep the surface clean, avoid dust and other impurities from scattering and blocking the light, thereby ensuring the clarity and brightness uniformity of the display image.

[0023] In the present invention, by providing a telescopic block, when the staff lifts the two lifting plates, when the two lifting plates rise to a certain distance, the telescopic block corresponds to the position of the rectangular hole, and the second spring pushes the corresponding telescopic block to make the telescopic block snap into the rectangular hole. At this time, the lifting plates are stuck and cannot continue to rise. Therefore, the movable long plate and the cleaning brush will also be stably maintained on the same horizontal line, making the movable long plate more stable when cleaning the backlight module, and ensuring the horizontal stability of the cleaning component during operation, avoiding uneven cleaning or missing some areas due to shaking or tilting, thereby improving the consistency and comprehensiveness of the cleaning effect.

[0024] In the present invention, by providing a limit block 1, when the spring 2 pops out the corresponding telescopic block, the corresponding limit block 1 will also pop out with the telescopic block, and the limit block 1 will move along the limit groove 1. When the limit block 1 moves to a certain distance, the limit block 1 will abut against the inner wall of the lifting plate, so that the telescopic block cannot continue to drive the limit block 1 to move, thereby avoiding the problem of the telescopic block moving too much and separating from the lifting plate, effectively limiting the moving range of the telescopic block, ensuring that it works within a reasonable stroke, and preventing excessive extension from causing structural damage or failure.

[0025] In the present invention, a spring is provided, and the spring is in a stretched state. When the staff lifts the lifting plate, the spring contracts. When the spring contracts, the movable long plate and the cleaning brush are moved. Therefore, the dust driven by the cleaning brush when it moves is pushed into the collection frame, thereby achieving the purpose of collecting dust.

[0026] In the present invention, after the staff cleans the backlight module, they put the two lifting plates back to their original positions and then rotate the rotating knobs at both ends. The rotating knobs drive the threaded rods to rotate. Since the threaded rods are threadedly sleeved with the fixed plates, the rotation of the threaded rods drives the corresponding moving blocks to move. The moving blocks move and are engaged in the rectangular grooves on the lifting plates, thereby achieving the purpose of limiting the lifting plates and preventing the lifting plates from positional deviation. This ensures that the lifting plates can be accurately reset and firmly limited after the cleaning operation is completed, thereby maintaining the stability and reliability of the entire device structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 It is a structural schematic diagram of the main body of the device of the present invention;

[0029] Figure 3 It is a structural schematic diagram of the lifting plate of the present invention;

[0030] Figure 4 It is a schematic diagram of the structure of the collection frame of the present invention;

[0031] Figure 5 It is a structural schematic diagram of the telescopic block of the present invention;

[0032] Figure 6 The present invention Figure 5 A schematic diagram of the enlarged structure at A in the middle;

[0033] Figure 7 It is a schematic diagram of the fixed frame structure of the present invention;

[0034] Figure 8 The present invention Figure 7 Schematic diagram of the enlarged structure at point B in the middle.

[0035] In the figure, the corresponding relationship between the component names and the figure numbers is: 11, device body; 12, fixed frame; 13, lifting plate; 14, collection frame; 15, lifting block; 16, long rod; 17, hole; 18, spring one; 19, moving long plate; 20, cleaning brush; 21, rectangular groove; 22, groove; 23, telescopic block; 24, limit groove one; 25, limit block one; 26, threaded rod; 27, spring two; 28, rectangular hole; 29, moving block; 30, limit block two; 31, fixed plate one; 32, fixed plate two; 33, threaded groove; 34, limit groove two; 35, rotating knob. DETAILED DESCRIPTION

[0036] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0037] See also Figure 1-Figure 8 The present invention provides a high color saturation backlight module, including a device body 11, the high color saturation backlight module is also provided with a dust cleaning mechanism, the dust cleaning mechanism includes a collection frame 14, a movable long plate 19, a cleaning brush 20 and two long rods 16, the surface of the device body 11 is fixedly connected with a fixed frame 12, the front and rear ends of the fixed frame 12 are provided with lifting plates 13, the two lifting plates 13 are parallel to each other, the two long rods 16 are located between the two lifting plates 13, the two long rods 16 are parallel to each other, the front and rear ends of the two long rods 16 are fixedly connected with the corresponding lifting plates 13, the movable long plate 19 is movably sleeved with the two long rods 16, the lower surface of the movable long plate 19 is fixedly connected to the upper surface of the cleaning brush 20, the movable long plate 19 is in contact with the front surface of the rear end lifting plate 13, the front ends of the two long rods 16 are provided with lifting blocks 15, the front surfaces of the two lifting blocks 15 are provided with holes 17, and the two Each lifting block 15 is movably connected to the corresponding long rod 16 through the hole 17, and the collection frame 14 is located between the two lifting blocks 15. The two lifting blocks 15 are fixedly connected to the two ends of the collection frame 14, and the front surface of the collection frame 14 is in contact with the rear surface of the front lifting plate 13. The rear surfaces of the two lifting blocks 15 are fixedly connected with a spring 18, and the rear ends of the two springs 18 are fixedly connected to the front surface of the moving long board 19. The staff moves the two lifting boards 13, so that the two lifting boards 13 drive the collection frame 14, the moving long board 19 and the cleaning brush 20 to rise. At this time, the moving long board 19 is pulled forward, and the moving long board 19 drives the cleaning brush 20 to move. When the cleaning brush 20 moves, it will clean the surface of the device body 11, so that the backlight module can effectively keep the surface clean, avoid dust and other impurities from scattering and blocking the light, thereby ensuring the clarity and brightness uniformity of the display image.

[0038] Both ends of the two lifting plates 13 are provided with grooves 22, and each lifting plate 13 is movably connected with a telescopic block 23 through the two grooves 22. A spring 27 is arranged in the telescopic block 23, and one end of each spring 27 is fixedly connected to the inner wall of the corresponding lifting plate 13, and the other end of each spring 27 is fixedly connected to the corresponding telescopic block 23. Both ends of each telescopic block 23 are fixedly connected to a limiting block 25, and the inner wall of each lifting plate 13 is provided with a limiting groove 24 corresponding to the position of the limiting block 25, and each limiting block 25 is movably connected with the corresponding lifting plate 13 through the limiting groove 24. The worker When the staff lifts the two lifting plates 13, when the two lifting plates 13 rise to a certain distance, the telescopic block 23 corresponds to the position of the rectangular hole 28, and the spring 27 pushes the corresponding telescopic block 23, so that the telescopic block 23 is clamped into the rectangular hole 28. At this time, the lifting plate 13 is stuck and cannot continue to rise, so the movable long plate 19 and the cleaning brush 20 will also stably maintain the same horizontal line, making the movable long plate 19 more stable when cleaning the backlight module, and can ensure the horizontal stability of the cleaning component during work, avoid uneven cleaning or missing some areas due to shaking or tilting, thereby improving the consistency and comprehensiveness of the cleaning effect.

[0039] Four rectangular holes 28 are provided at both ends of the fixed frame 12, and the four rectangular holes 28 are all located above the four telescopic blocks 23. Rectangular grooves 21 are provided through the front and rear ends of the fixed frame 12, and the two lifting plates 13 are provided with the same rectangular grooves 21. The front and rear ends of the fixed frame 12 are fixedly connected to two fixing plates 31, and the two fixing plates 31 located on the same side are both arranged at the two ends of the rectangular groove 21. When the spring 27 pops out the corresponding telescopic block 23, the corresponding limit block 25 will also pop out with the telescopic block 23, and the limit block 25 will move along the limit groove 24. When the limit block 25 moves to a certain distance, the limit block 25 will resist the inner wall of the lifting plate 13, so that the telescopic block 23 cannot continue to drive the limit block 25 to move, avoiding the problem of excessive movement of the telescopic block 23 causing separation from the lifting plate 13, effectively limiting the moving range of the telescopic block 23, ensuring that it works within a reasonable stroke, and preventing excessive extension from causing structural damage or failure.

[0040] A fixing plate 2 32 is provided at both the front and rear ends of the fixing frame 12, and the two fixing plates 2 32 are fixedly connected to the corresponding fixing plates 1 31, and a moving block 29 is provided between the two fixing plates 1 31 on the same side, and both ends of the two moving blocks 29 are movably connected to the limiting blocks 2 30, and a limiting groove 2 34 corresponding to the position of the limiting blocks 2 30 is provided on the side of each fixing plate 1 31 facing the moving block 29, and each limiting block 2 30 is movably connected to the corresponding fixing plate 1 31 through the limiting groove 2 34, and the spring 18 is in a stretched state. When the staff lifts the lifting plate 13, the spring 18 contracts. When the spring 18 contracts, the moving long plate 19 and the cleaning brush 20 are moved, so that the dust driven by the cleaning brush 20 when it moves is pushed into the collecting frame 14, so as to achieve the purpose of collecting dust.

[0041] The front surfaces of the two fixing plates 32 are both penetrated with a threaded groove 33, and the two fixing plates 32 are both threadedly sleeved with a threaded rod 26 through the threaded groove 33, and each threaded rod 26 is rotatably connected to the corresponding moving block 29. The two fixing plates 32 are both provided with a rotating knob 35 at one end away from the fixing frame 12, and each rotating knob 35 is fixedly connected to the corresponding threaded rod 26 on the side facing the fixing frame 12. When the staff cleans the backlight module, the two lifting plates 13 are put back in place. At this time, the rotating knob 35 at both ends is rotated, and the rotating knob 35 drives the threaded rod 26 to rotate. Since the threaded rod 26 is threadedly sleeved with the fixing plate 32, the threaded rod 26 rotates and drives the corresponding moving block 29 to move. The moving block 29 moves and is snapped into the rectangular groove 21 on the lifting plate 13, thereby achieving the purpose of limiting the lifting plate 13, so that the lifting plate 13 will not be offset in position, ensuring that the lifting plate can be accurately reset and firmly limited after the cleaning operation is completed, thereby maintaining the stability and reliability of the entire device structure.

[0042] A method for testing a high color saturation backlight module comprises the following steps:

[0043] S1: Use a high-precision colorimeter or spectrophotometer to measure the color performance of the three primary colors of red, green, and blue and common mixed colors at different brightnesses, compare with the standard color space, analyze the degree of deviation, ensure accurate color reproduction, divide the display area into multiple areas, use a brightness meter to measure the brightness value of the center point of each area, calculate the average value and standard deviation, and evaluate the uniformity;

[0044] S2: Measure the maximum brightness of the all-white screen and the minimum brightness of the all-black screen, calculate the contrast ratio, examine the contrast changes under different brightness settings, display high-saturation color samples, measure their purity and vividness with professional equipment, compare with standard indicators, and determine whether the high saturation requirements are met;

[0045] S3: The staff moves the two lifting plates 13, so that the two lifting plates 13 drive the collection frame 14, the moving long plate 19 and the cleaning brush 20 to rise, and then pulls the moving long plate 19 forward, and the moving long plate 19 drives the cleaning brush 20 to move, and the cleaning brush 20 cleans the surface of the device body 11 when it moves;

[0046] S4: When the module is working, use an infrared thermometer to measure the temperature of key parts and monitor temperature changes to ensure good heat dissipation and no overheating affecting performance. Allow the module to work continuously for dozens of hours, regularly measure parameters such as color, brightness, contrast, observe change trends, and evaluate stability.

[0047] Working principle:

[0048] In the first step, the staff moves the two lifting plates 13, so that the two lifting plates 13 drive the collection frame 14, the movable long plate 19 and the cleaning brush 20 to rise. At this time, the movable long plate 19 is pulled forward, and the movable long plate 19 drives the cleaning brush 20 to move. When the cleaning brush 20 moves, it will clean the surface of the device body 11, so that the backlight module can effectively keep the surface clean, avoid dust and other impurities from scattering and blocking the light, thereby ensuring the clarity and brightness uniformity of the display image.

[0049] In the second step, when the staff lifts the two lifting plates 13, when the two lifting plates 13 rise to a certain distance, the telescopic block 23 corresponds to the position of the rectangular hole 28, and the spring 27 pushes the corresponding telescopic block 23, so that the telescopic block 23 is engaged in the rectangular hole 28. At this time, the lifting plate 13 is stuck and cannot continue to rise, so the movable long board 19 and the cleaning brush 20 will also be stably maintained on the same horizontal line, making the movable long board 19 more stable when cleaning the backlight module, and can ensure the horizontal stability of the cleaning component during work, avoid uneven cleaning or missing some areas due to shaking or tilting, thereby improving the consistency and comprehensiveness of the cleaning effect.

[0050] In the third step, when the spring 27 pops out the corresponding telescopic block 23, the corresponding limit block 25 will also pop out with the telescopic block 23, and the limit block 25 will move along the limit groove 24. When the limit block 25 moves to a certain distance, the limit block 25 will abut against the inner wall of the lifting plate 13, so that the telescopic block 23 cannot continue to drive the limit block 25 to move, avoiding the problem of excessive movement of the telescopic block 23 causing separation from the lifting plate 13, effectively limiting the moving range of the telescopic block 23, ensuring that it works within a reasonable stroke, and preventing excessive extension from causing structural damage or failure.

[0051] In the fourth step, the spring 18 is in a stretched state. When the staff lifts the lifting plate 13, the spring 18 contracts. When the spring 18 contracts, the movable long plate 19 and the cleaning brush 20 are moved. Therefore, the dust driven by the cleaning brush 20 when it moves is pushed into the collecting frame 14, thereby achieving the purpose of collecting dust.

[0052] In the fifth step, after the staff cleans the backlight module, they put the two lifting plates 13 back to their original positions. At this time, the rotating knobs 35 at both ends are rotated, and the rotating knobs 35 drive the threaded rod 26 to rotate. Since the threaded rod 26 is threadedly sleeved with the fixed plate 32, the threaded rod 26 will drive the corresponding moving block 29 to move when it rotates. The moving block 29 will move and be snapped into the rectangular groove 21 on the lifting plate 13, so as to achieve the purpose of limiting the lifting plate 13, so that the lifting plate 13 will not be offset in position, ensuring that the lifting plate can be accurately reset and firmly limited after the cleaning operation is completed, thereby maintaining the stability and reliability of the entire device structure.

[0053] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A high color saturation backlight module, comprising a device body (11), characterized in that: The high color saturation backlight module is also provided with a dust cleaning mechanism, which comprises a collection frame (14), a movable long plate (19), a cleaning brush (20) and two long rods (16); The surface of the device body (11) is fixedly connected with a fixed frame (12), and the front and rear ends of the fixed frame (12) are both provided with lifting plates (13), the two lifting plates (13) are parallel to each other, two long rods (16) are located between the two lifting plates (13), the two long rods (16) are parallel to each other, the front and rear ends of the two long rods (16) are both fixedly connected with the corresponding lifting plates (13), the movable long plate (19) is movably sleeved with the two long rods (16), the lower surface of the movable long plate (19) is fixedly connected with the upper surface of the cleaning brush (20), the movable long plate (19) is in contact with the front surface of the rear end lifting plate (13), and the two long rods (16) are in contact with each other. ) are provided with lifting blocks (15) at the front end positions, the front surfaces of the two lifting blocks (15) are provided with holes (17), the two lifting blocks (15) are movably sleeved with the corresponding long rods (16) through the holes (17), the collection frame (14) is located between the two lifting blocks (15), the two lifting blocks (15) are fixedly connected to the two ends of the collection frame (14), the front surface of the collection frame (14) is fitted with the rear surface of the front lifting plate (13), the rear surfaces of the two lifting blocks (15) are fixedly connected with springs (18), and the rear ends of the two springs (18) are fixedly connected to the front surface of the movable long plate (19).

2. A high color saturation backlight module as claimed in claim 1, characterized in that: Both ends of the two lifting plates (13) are provided with grooves (22), and each lifting plate (13) is movably sleeved with a telescopic block (23) through the two grooves (22); Wherein, a spring 2 (27) is arranged in each of the telescopic blocks (23), one end of each spring 2 (27) is fixedly connected to the inner wall of the corresponding lifting plate (13), and the other end of each spring 2 (27) is fixedly connected to the corresponding telescopic block (23).

3. A high color saturation backlight module as claimed in claim 2, characterized in that: Both ends of each telescopic block (23) are fixedly connected to a limiting block (25), and the inner wall of each lifting plate (13) is provided with a limiting groove (24) corresponding to the position of the limiting block (25); Wherein, each limiting block (25) is movably connected to the corresponding lifting plate (13) through a limiting groove (24).

4. A high color saturation backlight module as claimed in claim 1, characterized in that: Four rectangular holes (28) are provided at both ends of the fixing frame (12), and the four rectangular holes (28) are located above the four telescopic blocks (23); Wherein, rectangular grooves (21) are provided through the front and rear ends of the fixing frame (12), and the two lifting plates (13) are provided with the same rectangular grooves (21).

5. A high color saturation backlight module as claimed in claim 4, characterized in that: Two fixing plates (31) are fixedly connected to the front and rear ends of the fixing frame (12), and the two fixing plates (31) located on the same side are arranged at the two ends of the rectangular groove (21).

6. A high color saturation backlight module as claimed in claim 5, characterized in that: The front and rear ends of the fixed frame (12) are both provided with a second fixing plate (32), and the two second fixing plates (32) are both fixedly connected to the corresponding first fixing plate (31); A moving block (29) is arranged between two fixed plates (31) located on the same side.

7. A high color saturation backlight module as claimed in claim 6, characterized in that: Both ends of the two moving blocks (29) are movably connected to the second limiting block (30), and each fixed plate (31) is provided with a second limiting groove (34) corresponding to the position of the second limiting block (30) on one side facing the moving block (29); Wherein, each limiting block 2 (30) is movably connected with the corresponding fixing plate 1 (31) through the limiting groove 2 (34).

8. A high color saturation backlight module as claimed in claim 7, characterized in that: The front surfaces of the two second fixing plates (32) are both penetrated with a threaded groove (33), and the two second fixing plates (32) are both threadedly sleeved with a threaded rod (26) through the threaded groove (33); Wherein, each of the threaded rods (26) is rotationally connected to a corresponding moving block (29).

9. A high color saturation backlight module as claimed in claim 8, characterized in that: The ends of the two fixing plates (32) facing away from the fixing frame (12) are both provided with a rotating knob (35); Wherein, a surface of each rotating knob (35) facing the fixed frame (12) is fixedly connected to a corresponding threaded rod (26).

10. A method for testing a high color saturation backlight module, characterized in that: The following steps are involved: S1: Use a high-precision colorimeter or spectrophotometer to measure the color performance of the three primary colors of red, green, and blue and common mixed colors at different brightnesses, compare with the standard color space, analyze the degree of deviation, ensure accurate color reproduction, divide the display area into multiple areas, use a brightness meter to measure the brightness value of the center point of each area, calculate the average value and standard deviation, and evaluate the uniformity; S2: Measure the maximum brightness of the all-white screen and the minimum brightness of the all-black screen, calculate the contrast ratio, examine the contrast changes under different brightness settings, display high-saturation color samples, measure their purity and vividness with professional equipment, compare with standard indicators, and determine whether the high saturation requirements are met; S3: The staff moves the two lifting plates (13), so that the two lifting plates (13) drive the collecting frame (14), the movable long plate (19) and the cleaning brush (20) to rise, and then pulls the movable long plate (19) forward, and the movable long plate (19) drives the cleaning brush (20) to move, and the cleaning brush (20) cleans the surface of the device body (11) when it moves; S4: When the module is working, use an infrared thermometer to measure the temperature of key parts and monitor temperature changes to ensure good heat dissipation and no overheating affecting performance. Allow the module to work continuously for dozens of hours, regularly measure parameters such as color, brightness, contrast, observe change trends, and evaluate stability.

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