Light source module with correction-free and single-module 3D function and control method thereof

Abstract

The invention provides a light source module with correction-free and single-module 3D functions and a control method thereof, and belongs to the technical field of COB display. The technical problems that point-by-point correction is needed in traditional COB lamp panel production, the shipment efficiency is low, and a single module cannot achieve the 3D display effect are solved. According to the technical scheme adopted for solving the technical problem, the light source comprises a chip layer, the chip layer is electrically connected with a driving circuit, one side of the chip layer is provided with a light uniformizing sheet layer, the side, away from the chip layer, of the light uniformizing sheet layer is provided with an X-axis electric control grating polaroid layer, the side, away from the light uniformizing sheet layer, of the X-axis electric control grating polaroid layer is provided with a Y-axis electric control grating polaroid layer, and the Y-axis electric control grating polaroid layer is provided with a Y-axis electric control grating polaroid layer. The driving circuit is electrically connected with the X-axis electric control grating polaroid layer and the Y-axis electric control grating polaroid layer, and the driving circuit is used for adjusting grating angles of the X-axis electric control grating polaroid layer and the Y-axis electric control grating polaroid layer; the method is applied to mass production of various display panels and high-end 3D display scenes such as vehicle-mounted and medical treatment.

Description

A light source module with calibration-free and single-module 3D functionality and its control method. Technical Field

[0001] This application relates to the field of COB display technology, and in particular to a light source module with calibration-free and single-module 3D functions and its control method. Background Technology

[0002] COB display technology, with its advantages of high integration, high brightness, and high contrast, is widely used in commercial, home, and professional displays. However, traditional COB light boards still face two major challenges in production and functionality, severely restricting their mass production efficiency and the improvement of product added value.

[0003] On the one hand, the bare die chips of traditional COB lamp boards exhibit certain performance inconsistencies during production and packaging, resulting in significant brightness and color differences in the light emitted by the assembled lamp board. To ensure display quality, a point-by-point photoelectric calibration process must be added during production. This not only significantly extends the production cycle and increases investment in calibration equipment and labor costs but also reduces delivery efficiency, making it difficult to meet the demands of large-scale mass production. Although some existing technologies attempt to achieve display consistency through color mixing (binning), they still cannot completely eliminate the calibration process, limiting the cost reduction and efficiency improvement effects.

[0004] On the other hand, existing COB display technologies are mostly limited to single 2D display functions. To achieve 3D display effects, multiple COB modules usually need to be spliced ​​together and combined with external 3D modules or auxiliary glasses. This not only results in complex structures and high costs, but also poor stability and immersion of the 3D display effect.

[0005] Therefore, developing a COB light board that can achieve calibration-free shipping, present 3D display effects with a single module, and has a simple structure and is easy to mass-produce has become an urgent technical problem to be solved in the current COB display field. Summary of the Invention

[0006] To address the aforementioned technical issues, this application proposes a light source module with calibration-free and single-module 3D functionality, and its control method.

[0007] The technical solution adopted in this application is as follows: a light source module with calibration-free and single-module 3D functions, including a chip layer, the chip layer being electrically connected to a driving circuit, a light homogenizing layer being disposed on one side of the chip layer, the light homogenizing layer being used to homogenize the light emitted from the chip layer, an X-axis electrically controlled grid polarizer layer being disposed on the side of the light homogenizing layer away from the chip layer, and a Y-axis electrically controlled grid polarizer layer being disposed on the side of the X-axis electrically controlled grid polarizer layer away from the light homogenizing layer, the driving circuit being electrically connected to the X-axis electrically controlled grid polarizer layer and the Y-axis electrically controlled grid polarizer layer respectively, the driving circuit being used to adjust the grid angle of the X-axis electrically controlled grid polarizer layer and the Y-axis electrically controlled grid polarizer layer.

[0008] Furthermore, the X-axis electrically controlled grid polarizer layer and the Y-axis electrically controlled grid polarizer layer together constitute a dual-axis independent electrically controlled structure.

[0009] Furthermore, the drive circuit is provided with a first electronic control interface and a second electronic control interface. The X-axis electronically controlled grid polarizer layer is electrically connected to the first electronic control interface, and the Y-axis electronically controlled grid polarizer layer is electrically connected to the second electronic control interface.

[0010] Furthermore, the first electronic control interface, the second electronic control interface, and the drive circuit are integrated into a single unit.

[0011] Furthermore, the chip layer is a mass-produced bare die chip.

[0012] Furthermore, the chip layer is a Mini COB bare die chip.

[0013] Furthermore, an anti-fingerprint protective film layer is provided on the side of the Y-axis electrically controlled grid polarizer layer away from the X-axis electrically controlled grid polarizer layer.

[0014] A control method for a light source module with calibration-free and single-module 3D functions, applied to the aforementioned light source module with calibration-free and single-module 3D functions, includes the following steps: Step 1: Activate the chip layer, where the homogenizer layer homogenizes the light emitted from the chip layer; Step 2: Activate the driving circuit and perform circuit initialization self-test, i.e., confirm that there are no communication faults between the driving circuit and the first electronic control interface, the second electronic control interface, the X-axis electronically controlled grid polarizer layer, and the Y-axis electronically controlled grid polarizer layer; Step 3: Select the display control mode through the control terminal of the driving circuit according to actual needs, where the display control mode includes synchronous control and independent control; Step 4: Based on actual needs... To meet actual needs, the driving circuit outputs electrical control signals to the X-axis electrically controlled grid polarizer layer and the Y-axis electrically controlled grid polarizer layer respectively, to adjust the angles of the X-axis electrically controlled grid polarizer layer and the Y-axis electrically controlled grid polarizer layer; Step 5: The light source processed by the light homogenizer layer passes sequentially through the angle-adjusted X-axis electrically controlled grid polarizer layer and the Y-axis electrically controlled grid polarizer layer to form a polarized light field with 3D parallax effect; Step 6: The driving circuit outputs reset signals to the X-axis electrically controlled grid polarizer layer and the Y-axis electrically controlled grid polarizer layer respectively, to control the angles of the X-axis electrically controlled grid polarizer layer and the Y-axis electrically controlled grid polarizer layer to automatically return to the initial angle.

[0015] Furthermore, in step 5, if it is necessary to adjust the 3D display effect, the control signal is re-output through the control terminal of the drive circuit to adjust the angles of the X-axis electrically controlled grid polarizer layer and the Y-axis electrically controlled grid polarizer layer until the ideal 3D effect is achieved. After the 3D effect is debugged, the drive circuit saves the angle parameters of the X-axis electrically controlled grid polarizer layer and the Y-axis electrically controlled grid polarizer layer respectively.

[0016] Furthermore, in step 6, the initial angle of the X-axis electrically controlled grid polarizer layer is 0°, and the initial angle of the Y-axis electrically controlled grid polarizer layer is 0°.

[0017] The advantages of this application over existing technologies are as follows: By using a homogenizing layer to compensate for the uniformity of light emitted from the chip layer, the problem of uneven brightness and color caused by chip inconsistencies in traditional lamp boards is solved. The production process eliminates the need for point-by-point photoelectric calibration, enabling direct calibration-free shipment after bare chip assembly, significantly simplifying the production process. Production time for each lamp board is reduced by more than 30%, while also reducing investment in calibration equipment and labor costs, improving shipping efficiency, and lowering mass production costs, thus solving a long-standing pain point in production efficiency within the industry. Furthermore, leveraging the adjustable angle characteristics of the X-axis and Y-axis electrically controlled grid polarizer layers, a single module can present a clear and stable 3D display effect without the need for external 3D modules or multiple module splicing, breaking through the limitations of traditional... Overcoming the limitations of traditional 2D display panels, this invention expands the application scenarios of light panels and enhances product added value. Compared to existing technologies, this invention has a simpler structure, lower cost, and is easier to mass-produce. The outermost anti-fingerprint protective film provides comprehensive physical protection without affecting optical performance, ensuring long-term stability of the light panel's display effects (brightness, contrast, 3D effect). Each layer is tightly bonded without looseness or gaps, ensuring stable optical transmission efficiency and adaptability to various complex operating environments, resulting in a long service life. Each layer structure uses conventional, mass-producible optical components, eliminating the need for customized special chips or equipment. It is compatible with traditional light panel production and assembly processes, allowing for simple modification of existing production lines to achieve mass production without large-scale investment in production line upgrades, thus lowering the technological implementation threshold. Attached Figure Description

[0018] The present application will be further described below with reference to the accompanying drawings: Figure 1 is a schematic diagram of the structure of the light source module in the present application; Figure 2 is a schematic diagram of the structure of the driving circuit in the present application; In the figures: 1 is the chip layer, 2 is the light homogenizer layer, 3 is the X-axis electrically controlled grid polarizer layer, 4 is the Y-axis electrically controlled grid polarizer layer, 5 is the anti-fingerprint protective film layer, and 6 is the driving circuit. Detailed Implementation

[0019] As shown in Figures 1 and 2, this application provides a light source module with calibration-free and single-module 3D functions, including a chip layer 1, which is electrically connected to a driving circuit 6. A light homogenizer layer 2 is disposed on one side of the chip layer 1 to homogenize the light emitted from the chip layer 1. An X-axis electrically controlled grid polarizer layer 3 is disposed on the side of the light homogenizer layer 2 away from the chip layer 1, and a Y-axis electrically controlled grid polarizer layer 4 is disposed on the side of the X-axis electrically controlled grid polarizer layer 3 away from the light homogenizer layer 2. The driving circuit 6 is electrically connected to the X-axis electrically controlled grid polarizer layer 3 and the Y-axis electrically controlled grid polarizer layer 4, respectively, and is used to adjust the grid angle of the X-axis electrically controlled grid polarizer layer 3 and the Y-axis electrically controlled grid polarizer layer 4. The X-axis electrically controlled grid polarizer layer 3 and the Y-axis electrically controlled grid polarizer layer 4 together constitute a dual-axis independent electrically controlled structure. The drive circuit 6 is equipped with a first electronic control interface and a second electronic control interface. The X-axis electronically controlled grid polarizer layer 3 is electrically connected to the first electronic control interface, and the Y-axis electronically controlled grid polarizer layer 4 is electrically connected to the second electronic control interface. The first and second electronic control interfaces are integrated with the drive circuit 6. The chip layer 1 is a mass-produced bare die chip or a Mini COB bare die chip. An anti-fingerprint protective film layer 5 is provided on the side of the Y-axis electronically controlled grid polarizer layer 4 away from the X-axis electronically controlled grid polarizer layer 3.

[0020] In the embodiments of this application, the light-diffusing layer 2 covers the entire light-emitting surface of the chip layer 1, with a light-diffusing efficiency ≥95%, a light transmittance ≥98%, and an operating temperature range of -20℃ to 85℃. It is not prone to yellowing or aging, and the light-diffusing layer 2 has good adhesion to the chip layer 1 and the X-axis electrically controlled grid polarizer layer 3, with no risk of delamination. The grid angles of the X-axis electrically controlled grid polarizer layer 3 and the Y-axis electrically controlled grid polarizer layer 4 can be independently adjusted by electrical control signals, with an adjustment range of 0° to 90°, a response speed ≤5ms, and an adjustment accuracy of ±1°. By adjusting the combination of the grid angles of the X-axis electrically controlled grid polarizer layer 3 and the Y-axis electrically controlled grid polarizer layer 4, the emitted light source after light diffusing forms a polarized light field with parallax effect. The human eye can perceive the 3D display effect through the polarization visual effect. 3D display of a single module can be achieved without the need for an external 3D module. It can also further filter stray light, improve display contrast, and optimize the overall display effect. The anti-fingerprint protective film layer 5 provides physical protection while ensuring that optical performance is not affected. It effectively prevents fingerprints and stains from adhering during touch and assembly, and resists external interference such as scratches, dust, and moisture. It protects the inner light-diffusing layer 2, the X-axis electrically controlled grid polarizer layer 3, the Y-axis electrically controlled grid polarizer layer 4, and the chip layer 1, extending the module's lifespan. With a light transmittance of ≥97%, it does not affect the polarization effect of the polarizer or the light-diffusing effect of the light-diffusing layer. There is no obvious reflection or color shift, ensuring that the 3D display effect and the conventional display effect are not affected. The surface hardness is ≥4H, and it has good flexibility, which can be adapted to the curved or flat structure of the lamp board. After bonding, there are no bubbles or wrinkles. It is anti-aging and anti-yellowing, suitable for long-term use scenarios, and does not affect the polarization light field and light-diffusing effect. The bonding accuracy between chip layer 1, light-diffusing film layer 2, X-axis electrically controlled grid polarizer layer 3, Y-axis electrically controlled grid polarizer layer 4, and anti-fingerprint protective film layer 5 is ≤0.1mm. Assembly is completed by automated bonding equipment and can be adapted to traditional lamp board production processes.

[0021] A control method for a light source module with calibration-free and single-module 3D functions, applied to the aforementioned light source module with calibration-free and single-module 3D functions, includes the following steps: Step 1: Start chip layer 1, and homogenize the light source emitted by chip layer 1 using homogenizer layer 2; Step 2: Start drive circuit 6 and perform circuit initialization self-test, i.e., confirm that there are no communication faults between drive circuit 6 and the first electronic control interface, the second electronic control interface, the X-axis electronically controlled grid polarizer layer 3, and the Y-axis electronically controlled grid polarizer layer 4; Step 3: Select the display control mode through the control terminal of drive circuit 6 according to the needs of the actual scene. The display control mode includes synchronous control and independent control; Step 4: Based on actual needs, output electronic control signals to X-axis electronically controlled grid polarizer layer 3 and Y-axis electronically controlled grid polarizer layer 4 through drive circuit 6 respectively, for adjusting X-axis electronically controlled grid polarizer layer 3. Step 5: The light source processed by the light homogenizer layer 2 passes sequentially through the X-axis electrically controlled grid polarizer layer 3 and the Y-axis electrically controlled grid polarizer layer 4 after angle adjustment, forming a polarized light field with 3D parallax effect. If the 3D display effect needs to be adjusted, the control terminal of the drive circuit 6 re-outputs the electrical control signal to adjust the angle of the X-axis electrically controlled grid polarizer layer 3 and the Y-axis electrically controlled grid polarizer layer 4 until the ideal 3D effect is achieved. After the 3D effect is debugged, the drive circuit 6 saves the angle parameters of the X-axis electrically controlled grid polarizer layer 3 and the Y-axis electrically controlled grid polarizer layer 4 respectively. Step 6: The drive circuit 6 outputs reset signals to the X-axis electrically controlled grid polarizer layer 3 and the Y-axis electrically controlled grid polarizer layer 4 respectively to control the angle of the X-axis electrically controlled grid polarizer layer 3 and the Y-axis electrically controlled grid polarizer layer 4 to automatically restore to the initial angle.

[0022] In the embodiments of this application, to enable the emitted light source to form parallax polarized light that can be distinguished by the left and right eyes, conventionally recommended combinations are 30° on the X-axis and 60° on the Y-axis, 45° on the X-axis and 45° on the Y-axis, 20° on the X-axis and 70° on the Y-axis, etc. For example, to achieve a highly immersive 3D effect, it is recommended to set the X-axis grid angle to 30° and the Y-axis grid angle to 60°. After the dual-axis polarizers have completed their angle adjustments, a cross-polarized light field will be formed, significantly improving the parallax effect. To achieve a softer 3D display effect, the X-axis and Y-axis grid angles are both set to 45°, forming a symmetrical polarized light field, suitable for applications requiring long-term viewing. After the angle adjustment is completed, the drive circuit 6 automatically locks the grid angle to ensure the stability of the polarized light field and prevent jitter and ghosting in the 3D effect. In step 5, after the 3D effect is debugged, the drive circuit 6 can save the angle combination parameters, which can be directly called when starting the 3D display later without repeated debugging, adapting to the 3D display needs of batch and fixed scenes. If it is necessary to stop the 3D display and restore the traditional 2D display effect, the drive circuit 6 outputs a reset signal to the X-axis electrically controlled grid polarizer layer 3 and the Y-axis electrically controlled grid polarizer layer 4 respectively, so that the grid angle of the X-axis electrically controlled grid polarizer layer 3 and the Y-axis electrically controlled grid polarizer layer 4 is automatically reset to 0° or the preset 2D display angle. At this time, the polarized light field is released, and the uniform 2D surface light source display is restored. The operation is convenient and the switching is delayed.

[0023] In practical applications, the angle combination of the dual-axis polarizer grille is optimized based on the adaptability of curved and planar structures to achieve scene-specific adaptation of 3D effects. Specific recommendations are as follows: Commercial flat display scenarios (e.g., shopping mall advertising screens, exhibition hall display screens): 30° X-axis and 60° Y-axis, significant parallax effect, strong 3D stereoscopic effect, attracting visual attention; Home viewing scenarios (e.g., home theaters, TV displays): 25° X-axis and 65° Y-axis, soft polarized light field, no visual fatigue during long-term viewing, moderate 3D immersion; In-vehicle curved display scenarios (e.g., in-vehicle central control, head-up displays): 40° X-axis and 50° Y-axis, adapting to the propagation characteristics of curved light fields, distortion-free 3D effect, suitable for mobile viewing environments in vehicles; Professional medical display scenarios (e.g., 3D medical imaging display): 15° X-axis and 75° Y-axis, precise parallax, clear 3D imaging details, meeting the high-precision observation requirements of medical images. Example

[0024] Chip layer 1 uses standard mass-produced LED bare chips with a chip spacing of 0.5mm, following standard COB lamp board layout specifications. No point-by-point screening or performance calibration is required; direct assembly is possible. The light-diffusing layer 2 uses PMMA material, covering the entire light-emitting surface of chip layer 1. It has a light-diffusing efficiency of 96%, a light transmittance of 98.5%, and an operating temperature range of -20℃ to 85℃. It is bonded to chip layer 1 and X-axis electrically controlled grid polarizer layer 3 with optical adhesive, eliminating the risk of delamination. X-axis electrically controlled grid polarizer layer 3 is connected to the Y-axis electrically controlled grid polarizer layer... Both grid polarizer layers 4 use liquid crystal electronically controlled polarizers, with a grid angle adjustment range of 0°~90°, a response speed of 4ms, and an adjustment accuracy of ±1°. Both are equipped with independent FPC electronic control interfaces, which can be integrated with the drive circuit 6 for welding, supporting synchronous or independent control. The anti-fingerprint protective film layer 5 is made of PET material with a light transmittance of 97.5% and a surface hardness of 4H. It is attached to the outside of the Y-axis electronically controlled grid polarizer layer 4 by electrostatic adsorption. After attachment, there are no bubbles or wrinkles, and it has good anti-fingerprint, anti-scratch, and anti-aging properties.

[0025] In this embodiment, the calibration-free shipping process of the light source module is as follows: after the chip layer 1 emits light, the light homogenizer layer 2 homogenizes the light emitted by different chips, cancels the brightness difference and color difference between chips, and makes the overall light emission uniform and consistent. There is no need to perform point-by-point photoelectric calibration. After completing the subsequent bonding process of the X-axis electronically controlled grid polarizer layer 3, Y-axis electronically controlled grid polarizer layer 4, and anti-fingerprint protective film layer 5, it can be shipped directly.

[0026] The single-module 3D effect is achieved as follows: The driving circuit 6 sends electrical control signals to the X-axis electrically controlled grid polarizer layer 3 and the Y-axis electrically controlled grid polarizer layer 4, adjusting the combination of their grid angles (e.g., adjusting the X-axis grid angle to 30° and the Y-axis grid angle to 60°). This creates a polarized light field with parallax effect after homogenization, allowing the human eye to perceive a clear and stable 3D display effect without the need for auxiliary glasses, through the polarization visual effect. Simultaneously, the polarizer filters stray light, improving the display contrast by more than 20%. Example

[0027] The difference between this embodiment and Embodiment 1 is that chip layer 1 uses Mini COB bare die chips with a chip spacing of 0.3mm; light homogenizer layer 2 uses PC material light homogenizer with a light homogenization efficiency of 95% and a light transmittance of 98%; the response speed of X-axis electrically controlled grid polarizer layer 3 and Y-axis electrically controlled grid polarizer layer 4 is 5ms and the adjustment accuracy is ±1°; the anti-fingerprint protective film layer 5 uses tempered glass material with a light transmittance of 97% and a surface hardness of 5H, which is suitable for curved COB lamp board structures.

[0028] The light source module in this embodiment can also be shipped without calibration. The single-module 3D display effect is clear and stable, and the surface adaptability is better. It can be applied to scenarios such as in-vehicle curved surface display and cultural and creative curved surface display. Its calibration-free effect and 3D display effect meet the actual use requirements. The production cost is slightly higher than that of Embodiment 1, but the protection performance is better.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A light source module with calibration-free and single-module 3D functions, comprising a chip layer (1), wherein the chip layer (1) is electrically connected to a driving circuit (6), characterized in that: A light homogenizing layer (2) is provided on one side of the chip layer (1). The light homogenizing layer (2) is used to homogenize the light output of the chip layer (1). An X-axis electrically controlled grid polarizer layer (3) is provided on the side of the light homogenizing layer (2) away from the chip layer (1). A Y-axis electrically controlled grid polarizer layer (4) is provided on the side of the X-axis electrically controlled grid polarizer layer (3) away from the light homogenizing layer (2). The driving circuit (6) is electrically connected to the X-axis electrically controlled grid polarizer layer (3) and the Y-axis electrically controlled grid polarizer layer (4) respectively. The driving circuit (6) is used to adjust the grid angle of the X-axis electrically controlled grid polarizer layer (3) and the Y-axis electrically controlled grid polarizer layer (4).

2. A light source module with calibration-free and single-module 3D functions according to claim 1, characterized in that: The X-axis electrically controlled grid polarizer layer (3) and the Y-axis electrically controlled grid polarizer layer (4) together constitute a dual-axis independent electrically controlled structure.

3. A light source module with calibration-free and single-module 3D functions according to claim 2, characterized in that: The drive circuit (6) is provided with a first electronic control interface and a second electronic control interface. The X-axis electronically controlled grid polarizer layer (3) is electrically connected to the first electronic control interface, and the Y-axis electronically controlled grid polarizer layer (4) is electrically connected to the second electronic control interface.

4. A light source module with calibration-free and single-module 3D functions according to claim 3, characterized in that: The first electronic control interface, the second electronic control interface and the drive circuit (6) are integrated into one unit.

5. A light source module with calibration-free and single-module 3D functions according to claim 4, characterized in that: The chip layer (1) is a mass-produced bare die chip.

6. A light source module with calibration-free and single-module 3D functions according to claim 4, characterized in that: The chip layer (1) is a Mini COB bare die chip.

7. A light source module with calibration-free and single-module 3D functions according to claim 5 or 6, characterized in that: The Y-axis electrically controlled grid polarizer layer (4) is provided with an anti-fingerprint protective film layer (5) on the side away from the X-axis electrically controlled grid polarizer layer (3).

8. A control method for a light source module with calibration-free and single-module 3D functionality, applied to a light source module with calibration-free and single-module 3D functionality as described in claim 7, characterized in that, The process includes the following steps: Step 1: Start the chip layer (1), and the homogenizing layer (2) homogenizes the light source emitted by the chip layer (1); Step 2: Start the driving circuit (6) and perform a circuit initialization self-test, that is, confirm that there is no communication fault between the driving circuit (6) and the first electronic control interface, the second electronic control interface, the X-axis electronically controlled grid polarizer layer (3), and the Y-axis electronically controlled grid polarizer layer (4); Step 3: Select the display control mode through the control terminal of the driving circuit (6) according to actual needs. The display control mode includes synchronous control and independent control; Step 4: Based on actual needs, send signals to the X-axis electronically controlled grid polarizer layer (3) through the driving circuit (6). The Y-axis electrically controlled grid polarizer layer (4) outputs an electrical control signal to adjust the angles of the X-axis electrically controlled grid polarizer layer (3) and the Y-axis electrically controlled grid polarizer layer (4); Step 5: The light source processed by the light-diffusing layer (2) passes sequentially through the X-axis electrically controlled grid polarizer layer (3) and the Y-axis electrically controlled grid polarizer layer (4) after angle adjustment, forming a polarized light field with 3D parallax effect; Step 6: The driving circuit (6) outputs reset signals to the X-axis electrically controlled grid polarizer layer (3) and the Y-axis electrically controlled grid polarizer layer (4) respectively to control the angles of the X-axis electrically controlled grid polarizer layer (3) and the Y-axis electrically controlled grid polarizer layer (4) to automatically recover to the initial angle.

9. The control method for a light source module with calibration-free and single-module 3D functionality according to claim 8, characterized in that: In step 5, if it is necessary to adjust the 3D display effect, the control terminal of the drive circuit (6) re-outputs the electrical control signal to adjust the angle of the X-axis electrically controlled grid polarizer layer (3) and the Y-axis electrically controlled grid polarizer layer (4) until the ideal 3D effect is achieved. After the 3D effect is debugged, the drive circuit (6) saves the angle parameters of the X-axis electrically controlled grid polarizer layer (3) and the Y-axis electrically controlled grid polarizer layer (4) respectively.

10. The control method for a light source module with calibration-free and single-module 3D functionality according to claim 9, characterized in that: In step 6, the initial angle of the X-axis electrically controlled grid polarizer layer (3) is 0°, and the initial angle of the Y-axis electrically controlled grid polarizer layer (4) is 0°.

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