A flexible color filter laminating method and system

Abstract

A flexible color filter laminating method and system, relating to the technical field of filter manufacturing, firstly photographing the back surface of a selected substrate, and calculating the size of the substrate according to the marking points on which the substrate is affixed in the photograph; then judging whether the width of the color filter is equal to the width of the substrate according to the size of the substrate and the width of an existing rolled color filter; then cutting the color filter according to the judgment result; next, using an adsorption gripper to absorb the cut color filter, and then attaching the cut color filter to the front surface of the substrate; then using a laminating roller to roll and laminate the color filter and the substrate; finally, cutting the substrate with the color filter affixed; the method has the advantages of low production cost and the ability to improve production efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of filter manufacturing, and in particular to a flexible color filter laminating method and system. Background Art

[0002] Flexible color filter is an optical filter that can be bent and display color. It can accurately select a small range of light waves to pass through and reflect other undesirable light waves.

[0003] However, the existing technology designs the corresponding color filter size according to the substrate size, and the specific design and manufacturing process is: mask design → roll-to-roll color filter production → color filter cutting → color filter lamination; however, this method will result in the need to open a set of independent masks for each product model, especially for those products with small demand but a wide variety, such costs cannot be ignored; and the masks customized for different models of products may become useless inventory after the life cycle of the model product ends, resulting in a waste of resources;

[0004] In addition, due to the need to frequently change masks, the conversion time of the production line is long, resulting in reduced overall production efficiency. For small batches and diversified products, the preparation time before each production may be equivalent to or even longer than the actual production time, which greatly limits production flexibility and response speed.

[0005] A Chinese patent (CN109613742A) discloses a color filter module, a manufacturing method thereof, and a display panel. The color filter module adopts a setting method of overlapping color filters, which will affect the filtering effect of the color filter module to a certain extent.

[0006] Therefore, we propose a method for manufacturing a color filter with low production cost and improved production efficiency. Summary of the invention

[0007] In order to overcome the deficiencies in the background technology, the present invention discloses a flexible color filter lamination method and system.

[0008] In order to achieve the above-mentioned invention object, the present invention adopts the following technical scheme:

[0009] A method for laminating a flexible color filter, comprising:

[0010] S1. Photograph the back surface of the selected substrate and calculate the size of the substrate according to the marking points attached to the substrate in the photo;

[0011] S2. Determine whether the width of the color filter is equal to the width of the substrate according to the size of the substrate and the width of the existing roll of color filter;

[0012] S3. If it is equal to, then cut out a color filter of corresponding size based on the length of the substrate;

[0013] S4. If it is greater than, based on the length and width of the substrate, cut out a color filter of corresponding size;

[0014] S5. If it is smaller than, cut two color filters, and the two color filters can be consistent with the size of the substrate after splicing;

[0015] S6. Using an adsorption gripper to absorb the cut color filter, and then attaching the cut color filter to the front surface of the substrate;

[0016] S7. Roll and laminate the color filter and the substrate using a laminating roller;

[0017] S8. Cut the substrate with the color filter attached.

[0018] Preferably, when the substrate is rectangular in shape, the method for cutting the color filter in S5 is specifically as follows:

[0019] S51. According to the length of the substrate , the length and width of the crop are and A first color filter, wherein is the width of the rolled color filter;

[0020] S52. According to the width of the substrate , the length and width of the crop are and Second color filter.

[0021] Preferably, when the substrate is in a trapezoidal shape, the method for cutting the color filter in S5 is specifically as follows:

[0022] S51. According to the first oblique edge of the substrate , second hypotenuse , Top and bottom , cut the top, bottom, first hypotenuse and second hypotenuse respectively , , and The first color filter;

[0023] S52. According to the first oblique edge of the substrate , second hypotenuse , Top and bottom , cut the top, bottom, first hypotenuse and second hypotenuse respectively , , and The second color filter.

[0024] Preferably, the cut color filter is a single piece and does not need to be spliced:

[0025] S61. Obtain the coordinates of four marking points on the back surface of the substrate;

[0026] S62. Obtaining the position coordinates of the four cutting corners of the color filter;

[0027] S63. Calculate the center points of the substrate and the color filter respectively;

[0028] S64. Control the movement of the substrate so that the center point of the substrate coincides with the center point of the color filter;

[0029] S65. Control the color filter to rotate so that the edge of the color filter coincides with the edge of the substrate.

[0030] Preferably, the substrate is rectangular, and the cut color filter is two pieces, and when splicing is required:

[0031] S61. Obtain the coordinates of four marking points on the back surface of the substrate, and calculate the coordinates of the midpoint of the long edge of the substrate;

[0032] S62. Obtain the coordinates of two cutting corners of any long side of the first color filter, and calculate the coordinates of the midpoint of the long side;

[0033] S63. Control the substrate to move so that the center point of the first long side of the substrate coincides with the center point of the calculated long side of the first color filter;

[0034] S64. Control the first color filter to rotate so that the edge of the first color filter coincides with the edge of the substrate, and attach the first color filter to the substrate;

[0035] S65. Obtain the coordinates of two cutting corners of any long side of the second color filter, and calculate the coordinates of the midpoint of the long side;

[0036] S66. Control the substrate to move so that the center point of the second long side of the substrate coincides with the center point of the calculated long side of the second color filter;

[0037] S67. Control the second color filter to rotate so that the edge of the second color filter coincides with the edge of the substrate, and then attach the second color filter to the substrate.

[0038] Preferably, the substrate is trapezoidal, and the cut color filter is two pieces, and when splicing is required:

[0039] S61. Obtain the coordinates of the four marking points on the back surface of the substrate, and calculate the midpoint coordinates of the top of the substrate;

[0040] S62. Obtain the coordinates of two cutting corners of the top of the first color filter, and calculate the coordinates of the midpoint of the top;

[0041] S63. Control the movement of the substrate so that the center point of the top of the substrate coincides with the center point of the top of the first color filter;

[0042] S64. Control the first color filter to rotate so that the top of the first color filter coincides with the top of the substrate, and attach the first color filter to the substrate;

[0043] S65. Obtain the coordinates of two cutting corners of the lower base of the second color filter, and calculate the coordinates of the midpoint of the lower base;

[0044] S66. Control the movement of the substrate so that the center point of the bottom of the substrate coincides with the center point of the bottom of the second color filter;

[0045] S67. Control the second color filter to rotate so that the bottom of the second color filter overlaps with the bottom of the substrate, and then attach the second color filter to the substrate.

[0046] A flexible color filter laminating system comprises a cutting mechanism, a laminating platform, a substrate loading mechanism and a unloading mechanism, wherein the cutting mechanism is used to cut color filters of a required size from a rolled color filter;

[0047] The laminating platform is used to clamp the substrate and absorb and transfer the cut color filter to the substrate;

[0048] The substrate loading mechanism is used to provide the substrate to the adsorption platform;

[0049] The unloading mechanism is used to transfer the substrate on which the color filter is bonded to the processing equipment.

[0050] Preferably, the cutting mechanism comprises an unwinding shaft, a rewinding shaft, a cutting table, a cutting machine and an adsorption gripper;

[0051] The unwinding shaft and the rewinding shaft are respectively located on both sides of the cutting table, and the unwinding shaft is used to place the rolled color filter, and the rewinding shaft is used to receive the cut rolled color filter;

[0052] The cutting machine is used to cut out color filters of required sizes;

[0053] The adsorption gripper is used to absorb the cut color filter and move back and forth between the cutting mechanism and the adsorption platform.

[0054] Preferably, the bonding platform includes a top plate, a track gantry, a bottom plate, a flip motor, an upper base, a positioning recognition camera, a lifting push rod, a lower base and a rotating motor;

[0055] The top plate is slidably mounted on the top of the track gantry, and the track gantry is fixedly mounted on the bottom plate;

[0056] The flip motor is installed on the side of the top plate, and an upper base controlled by the flip motor to flip is provided in the center of the top plate;

[0057] The track gantry is composed of side panels on both sides and a sliding seat on the top, wherein both side panels are provided with a telescopic mechanism, and the telescopic mechanism is used to drive the positioning recognition camera to move in a direction perpendicular to the side panels;

[0058] The bottom plate is fixedly provided with a lifting push rod and a bracket, wherein a lower bottom plate is placed on the top of the lifting push rod, and a rotating motor is fixedly installed on the bracket. The rotating motor is used to drive the lower base to rotate in a horizontal plane, and a fitting roller is provided at the bottom of the lower base.

[0059] Preferably, the telescopic mechanism includes two telescopic push rods, and the positioning identification camera includes a support rod and a CCD camera, wherein the support rod is vertically fixedly connected to the telescopic push rod, and a CCD camera is fixedly installed at both ends of the support rod, and the two CCD cameras correspond to the upper base and the lower base respectively.

[0060] Due to the adoption of the above-mentioned technical solution, the present invention has the following beneficial effects:

[0061] The present invention discloses a flexible color filter laminating method and system. The method realizes the matching between the color filter and substrates of various sizes and shapes through automatic detection, flexible cutting and intelligent splicing, thereby avoiding the necessity of separately opening a mask for each product model in the traditional process, which not only reduces the production cost, but also improves the production efficiency and the utilization rate of the color filter.

[0062] In addition, by using the cooperation of various transfer grippers in this system to complete the transfer of substrates at various stages, the substrate transfer process at each stage can be carried out independently. This linear processing method can effectively improve the efficiency of the bonding process between the substrate and the color filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0063] Figure 1 A schematic diagram of a method flow of the present invention;

[0064] Figure 2 This is a schematic diagram of the structure of the production system;

[0065] Figure 3 It is a structural schematic diagram of a substrate feeding mechanism;

[0066] Figure 4 It is a structural diagram of the bonding platform.

[0067] In the figure: 1. Cutting mechanism; 11. Unwinding shaft; 12. Rewinding shaft; 13. Cutting table; 14. Cutting machine; 15. Adsorption gripper; 2. Laminating platform; 20. Top plate; 21. Track gantry; 22. Bottom plate; 23. Flipping motor; 24. Upper base; 25. Telescopic mechanism; 26. Positioning recognition camera; 261. Support rod; 262. CCD camera; 27. Lifting push rod; 28. Lower base; 29. ​​Rotating motor; 3. Substrate loading mechanism; 31. Loading gripper; 4. Unloading mechanism; 41. Unloading gripper; 5. Processing equipment; 51. Processing gripper; 6. Gripper slide rail; 7. Laminating roller; 8. Driving slideway. DETAILED DESCRIPTION

[0068] The technical solution of the present invention will be described below in conjunction with the drawings in the embodiments of the present invention. In the description, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", "right" and the like indicating directions or positional relationships, they are only corresponding to the drawings of the present invention, for the convenience of describing the present invention, and do not indicate or imply that the devices or components referred to must have a specific direction:

[0069] Embodiment 1 is:

[0070] Combined with Figure 1 The flexible color filter laminating method and system described above include:

[0071] S1. Photograph the back surface of the selected substrate and calculate the size of the substrate according to the marking points attached to the substrate in the photo;

[0072] Specifically, although the shapes of the substrates may be different, the marking points on the back panel are all attached at the four corners. It should be noted that the general shape of the substrate is a rectangle or a trapezoid, so the shape formed by connecting the four marking points in sequence is also a rectangle or a trapezoid;

[0073] And the process of photographing and calculating the size of the substrate is:

[0074] The substrate is photographed using a positioning recognition camera 26. According to the positions of the four marking points on the photo, one of the marking points is taken as the origin. Then, the coordinate values ​​of the four marking points are calculated by calculating the number of pixels between the marking points in the photo, thereby obtaining the size of the substrate. It should be noted that when calculating the coordinate values ​​of the marking points, the angular distortion of the positioning recognition camera 26 should also be considered, and corresponding compensation or callback should be given during the calculation.

[0075] The four marking points are placed at the four corners of the back surface of the substrate, so that the lines connecting the four marking points in sequence will form the same shape as the substrate;

[0076] In addition, the specific calculation method of the coordinate value of the marking point is:

[0077] In the image, the position of each marker point can be expressed in pixel coordinates as (u, v);

[0078] The actual distance (Z) between the camera and the marker can be calculated using trigonometric functions:

[0079] ;

[0080] The actual coordinates (X, Y) can be calculated using the following formula:

[0081] ;

[0082] ;

[0083] in and are the pixel coordinates of the center of the image, is the actual size of a pixel;

[0084] Since the camera may have distortion, we need to perform distortion correction on the calculated results. Common distortion corrections include radial distortion and tangential distortion. For radial distortion, the following formula can be used:

[0085] ;

[0086] ;

[0087] in, is the square of the distance to the center of the image, and is the radial distortion coefficient;

[0088] The tangential distortion can be corrected by the following formula:

[0089] ;

[0090] ;

[0091] in and is the tangential distortion coefficient.

[0092] S2. Determine whether the width of the color filter is equal to the width of the substrate according to the size of the substrate and the width of the existing roll of color filter;

[0093] S3. If it is equal to, then cut out a color filter of corresponding size based on the length of the substrate, and the color filter cut out in this step is a single color filter;

[0094] S4. If it is greater than, based on the length and width of the substrate, cut out a color filter of a corresponding size, and the color filter cut out in this step is also a single color filter;

[0095] S5. If it is less than, two color filters are cut, and the two color filters can be consistent with the size of the substrate after splicing, and the two color filters cut in this step are two color filters;

[0096] S6. Using the suction gripper 15 to absorb the cut color filter, and then attaching the cut color filter to the front surface of the substrate;

[0097] Wherein, when the cut color filter is a single piece and does not need to be spliced:

[0098] S61. Obtain the coordinates of four marking points on the back surface of the substrate;

[0099] S62. Obtaining the position coordinates of the four cutting corners of the color filter;

[0100] S63. Calculate the center points of the substrate and the color filter respectively;

[0101] S64. Control the movement of the substrate so that the center point of the substrate coincides with the center point of the color filter;

[0102] S65. Control the color filter to rotate so that the edge of the color filter coincides with the edge of the substrate.

[0103] When the substrate is rectangular and the cut color filters are two pieces that need to be spliced:

[0104] S61. Obtain the coordinates of four marking points on the back surface of the substrate, and calculate the coordinates of the midpoint of the long edge of the substrate;

[0105] S62. Obtain the coordinates of two cutting corners of any long side of the first color filter, and calculate the coordinates of the midpoint of the long side;

[0106] S63. Control the substrate to move so that the center point of the first long side of the substrate coincides with the center point of the calculated long side of the first color filter;

[0107] S64. Control the first color filter to rotate so that the edge of the first color filter coincides with the edge of the substrate, and attach the first color filter to the substrate;

[0108] S65. Obtain the coordinates of two cutting corners of any long side of the second color filter, and calculate the coordinates of the midpoint of the long side;

[0109] S66. Control the substrate to move so that the center point of the second long side of the substrate coincides with the center point of the calculated long side of the second color filter;

[0110] S67. Control the second color filter to rotate so that the edge of the second color filter coincides with the edge of the substrate, and then attach the second color filter to the substrate.

[0111] S7. Rolling and laminating the color filter and the substrate using a laminating roller 7;

[0112] S8. Cut the substrate with the color filter attached.

[0113] When the substrate is trapezoidal and the cut color filter is two pieces and needs to be spliced:

[0114] S61. Obtain the coordinates of the four marking points on the back surface of the substrate, and calculate the midpoint coordinates of the top of the substrate;

[0115] S62. Obtain the coordinates of two cutting corners of the top of the first color filter, and calculate the coordinates of the midpoint of the top;

[0116] S63. Control the movement of the substrate so that the center point of the top of the substrate coincides with the center point of the top of the first color filter;

[0117] S64. Control the first color filter to rotate so that the top of the first color filter coincides with the top of the substrate, and attach the first color filter to the substrate;

[0118] S65. Obtain the coordinates of two cutting corners of the lower base of the second color filter, and calculate the coordinates of the midpoint of the lower base;

[0119] S66. Control the movement of the substrate so that the center point of the bottom of the substrate coincides with the center point of the bottom of the second color filter;

[0120] S67. Control the second color filter to rotate so that the bottom of the second color filter overlaps with the bottom of the substrate, and then attach the second color filter to the substrate.

[0121] Embodiment 2 is:

[0122] In the process of producing color filters, customers often have various requirements, which leads to a wide variety of shapes of color filters and substrates. However, the most common ones are rectangular and trapezoidal.

[0123] When the substrate is rectangular in shape, the method for cutting the color filter in S5 is specifically as follows:

[0124] S51. According to the length of the substrate , the length and width of the crop are and A first color filter, wherein is the width of the rolled color filter;

[0125] S52. According to the width of the substrate , the length and width of the crop are and a second color filter;

[0126] That is, cut two rectangular color filters, and the lengths of the two color filters are When the two are fitted together, just fit the corresponding long sides together.

[0127] When the substrate is in a trapezoidal shape, ≠ or ≠ , the method of cutting the color filter in S5 is as follows:

[0128] S51. According to the first oblique edge of the substrate , second hypotenuse , Top and bottom , cut the top, bottom, first hypotenuse and second hypotenuse respectively , , and The first color filter;

[0129] S52. According to the first oblique edge of the substrate , second hypotenuse , Top and bottom , cut the top, bottom, first hypotenuse and second hypotenuse respectively , , and a second color filter;

[0130] That is, two color filters are cut, both of which are trapezoidal in shape, and the bottom length of the first color filter is , the top length of the second color filter is When the two are attached together, the bottom of the first color filter and the top of the second color filter are attached together.

[0131] Embodiment 3 is:

[0132] As attached Figure 2-4 As shown, a flexible color filter laminating system comprises a cutting mechanism 1, a laminating platform 2, a substrate loading mechanism 3 and a unloading mechanism 4, wherein the cutting mechanism 1 is used to cut color filters of a required size from a rolled color filter;

[0133] The bonding platform 2 is used to clamp the substrate and absorb and transfer the cut color filter to the substrate; and the bonding platform 2 can also complete the attachment between the color filter and the substrate, as well as the rolling bonding, to complete the final bonding between the color filter and the substrate;

[0134] The substrate loading mechanism 3 is used to provide the substrate to the adsorption platform, and the substrate loading mechanism 3 uses a loading gripper 31 to grab the substrate;

[0135] The unloading mechanism 4 is used to transfer the substrate after the color filter bonding to the processing equipment 5, and the unloading mechanism 4 and the processing equipment 5 use the unloading gripper 41 and the processing gripper 51 to transfer the substrate respectively;

[0136] That is, the color filter production process of the system is as follows: first, the substrate loading mechanism 3 transfers the blank substrate to the bonding platform 2, and then the cutting mechanism 1 cuts the rolled color filter according to the size of the substrate, and then the cut color filter is transferred to the substrate of the bonding platform 2 for attachment and rolling bonding, and finally the bonded color filter and substrate are transported to the unloading mechanism 4 for transfer to the subsequent process;

[0137] It should be noted that this system uses a variety of grippers to complete the transfer of substrates or color filters, and various grippers can move between two platforms or mechanisms. The movement of the grippers depends on the gripper slide, which is a linear track located above each platform or mechanism, and as shown in the attached Figure 3 As shown, the gripper slide rail located above the substrate loading mechanism 3 is connected to the main gripper slide rail above the cutting platform, the bonding platform 2, the unloading mechanism 4 and the processing equipment 5.

[0138] In addition, the cutting mechanism 1 includes an unwinding shaft 11, a rewinding shaft 12, a cutting table 13, a cutting machine 14 and an adsorption gripper 15;

[0139] The unwinding shaft 11 and the reeling shaft 12 are respectively located on both sides of the cutting table 13, and the unwinding shaft 11 is used to place the rolled color filter, and the reeling shaft 12 is used to receive the cut rolled color filter; if the width of the color filter is equal to the width of the substrate, the color filter of the corresponding size is cut based on the length of the substrate. At this time, the cut color filter is a single piece, and the rolled color filter will be cut off. Therefore, before the cutting operation, the rolled color filter is first fixed by the adsorption gripper 15, and then the two sides of the fixed part are cut by the cutting machine 14, and finally the adsorption gripper 15 is used to complete the transportation after the cutting is completed;

[0140] In the other two cases, the unwinding shaft 11 and the rewinding shaft 12 cooperate to drive the rolled color filter to move, and then the cutting machine 14 cuts the moving color filter;

[0141] The cutting machine 14 is used to cut out color filters of a required size; it should be noted that the cutting machine 14 can be set as a laser cutting machine or a die cutting machine;

[0142] The adsorption gripper 15 is used to absorb the cut color filter and move back and forth between the cutting mechanism 1 and the adsorption platform. The adsorption gripper 15 generally adopts a vacuum adsorption method, which is convenient to operate and can accurately complete the grasping and transportation of the color filter.

[0143] In particular, the arm of the cutting machine 14 is provided with a cutting recognition camera capable of illuminating the color filter. The cutting recognition camera can be used to obtain information such as the size and position of the color filter, thereby assisting the cutting machine 14 in performing automatic cutting operations, specifically: the unwinding shaft 11 rotates to drive the end of the rolled color filter installed thereon to be unwound toward the reel 12. When the complete color filter reaches under the cutting recognition camera, the unwinding shaft 11 is stopped, and then the cutting recognition camera determines the size of the color filter to be cut according to the size of the substrate. Finally, the cutting machine 14 performs corresponding cutting operations according to the size of the color filter to be cut determined by the cutting recognition camera, and cuts the color filter of the corresponding size.

[0144] According to the needs, the bonding platform 2 includes a top plate 20, a track gantry 21, a bottom plate 22, a flip motor 23, an upper base 24, a positioning recognition camera 26, a lifting push rod 27, a lower base 28 and a rotating motor 29;

[0145] The top plate 20 is slidably mounted on the top of the track gantry 21, and the track gantry 21 is fixedly mounted on the bottom plate 22;

[0146] The flip motor 23 is installed on the side of the top plate 20, and the center of the top plate 20 is provided with an upper base 24 which is flipped by the flip motor 23;

[0147] The track gantry 21 is composed of side panels on both sides and a sliding seat on the top, wherein both side panels are provided with a telescopic mechanism 25, and the telescopic mechanism 25 is used to drive the positioning recognition camera 26 to move in a direction perpendicular to the side panels;

[0148] The bottom plate 22 is fixedly provided with a lifting push rod 27 and a bracket, wherein the lower bottom plate 22 is placed on the top of the lifting push rod 27, and the bracket is fixedly provided with a rotating motor 29, which is used to drive the lower base 28 to rotate in a horizontal plane, and the bottom of the lower base 28 is provided with a fitting roller 7;

[0149] An implementation process of the bonding platform 2 is as follows:

[0150] First, the substrate delivered from the substrate loading mechanism 3 is placed on the upper base 24, and then the telescopic mechanism 25 drives the positioning recognition camera 26 to move toward the upper base 24. When the positioning recognition camera 26 is located below the upper base 24, the marking points on the back surface of the substrate are photographed and the size of the substrate is calculated. It should be noted that the upper base 24 is made of transparent materials, such as resin, glass, etc.

[0151] Next, the telescopic mechanism 25 drives the positioning recognition camera 26 to move away from the upper base 24, that is, to restore the original position, and then the upper base 24 is controlled by the flip motor 23 to flip so that the front plate surface of the substrate faces downward. At this time, the cut color filter has also been transported to the lower base 28. Then the telescopic mechanism 25 drives the positioning recognition camera 26 to move in the direction of the upper base 24. Since the color filter is randomly placed on the lower base 28 at this time, the color filter is photographed by the positioning recognition camera 26 to determine and calculate the cutting angle position coordinates of the color filter. In combination with the manufacturing method described in Example 1, the rotating motor 29 drives the lower base 28 to rotate horizontally, and the track gantry 21 drives the upper base 24 to move, until the color filter coincides with the relative edges of the substrate;

[0152] Finally, the telescopic mechanism 25 drives the positioning recognition camera 26 to move away from the upper base 24, and the telescopic push rod drives the lower base 28 to rise, so that the color filter is attached to the substrate, and then the bonding roller 7 applies pressure to the lower base 28 to complete the bonding of the color filter and the substrate;

[0153] It should be noted that there are two laminating rollers 7, which are respectively located on both sides of the rotating motor 29. When working, the two laminating rollers 7 can move toward or away from each other in the direction of the rotating motor 29.

[0154] In addition, the telescopic mechanism 25 includes two telescopic push rods, and the positioning identification camera 26 includes a support rod 261 and a CCD camera 262, wherein the support rod 261 is vertically fixedly connected to the telescopic push rod, and a CCD camera 262 is fixedly installed at both ends of the support rod 261, and the two CCD cameras 262 correspond to the upper base 24 and the lower base 28 respectively; that is, the number of CCD cameras 262 is eight, and the eight CCD cameras 262 are divided into two groups, upper and lower, for photographing the upper base 24 and the lower base 28 respectively;

[0155] In addition, the CCD camera 262 has a high quantum efficiency and can capture clear images under weak light conditions, which is particularly important for applications that need to work in low-light environments; the CCD camera 262 can provide high-quality images with a high resolution, which is very beneficial for applications that require high-precision measurement and detection; the CCD camera 262 produces lower readout noise and better image quality, especially under long exposure conditions, the image has a higher signal-to-noise ratio; the CCD camera 262 has a good linear response characteristic to changes in light intensity, which means that it can accurately reflect changes in light intensity, which is very important for quantitative analysis; the CCD camera 262 usually has a longer service life Long service life, able to work stably for a long time in industrial environment; Due to the high resolution and low noise characteristics of CCD camera 262, it can provide very accurate images, which is especially important for applications that require high-precision measurement; CCD camera 262 has good stability under environmental factors such as temperature changes and is not easily affected by temperature fluctuations; CCD camera 262 can maintain good consistency during mass production, which is very useful for application scenarios that require multiple cameras to work together; CCD technology is very mature, and there are many mature solutions and support services available on the market; CCD camera 262 can be easily integrated with other automation equipment and communicate with the control system through interface protocols (such as USB, GigE Vision, etc.);

[0156] It should be noted that both side panels of the track gantry 21 are provided with a driving slide 8, on which a motor is provided for controlling the movement of the two telescopic mechanisms 25 on the side panel, and the side panel is also provided with an opening. When the two telescopic push rods of the telescopic mechanism 25 move, the opening can limit the maximum distance of movement of the two; and through the extension and retraction of the telescopic push rods themselves, in coordination with the driven movement of the driving slide 8, the positioning identification camera 26 can move in the X and Y directions, so as to more accurately capture the substrate of the upper base 24 and the color filter of the lower base 28.

[0157] The parts of the present invention that are not described in detail are prior art. It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the appended claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention, and any figure marks in the claims should not be regarded as limiting the claims involved.

Claims

1. A method for laminating a flexible color filter, characterized in that: include: S1. Photograph the back surface of the selected substrate and calculate the size of the substrate according to the marking points attached to the substrate in the photo; S2. Determine whether the width of the color filter is equal to the width of the substrate according to the size of the substrate and the width of the existing roll of color filter; S3. If it is equal to, then cut out a color filter of corresponding size based on the length of the substrate; S4. If it is greater than, based on the length and width of the substrate, cut out a color filter of corresponding size; S5. If it is smaller than, cut two color filters, and the two color filters can be consistent with the size of the substrate after splicing; When the substrate is rectangular in shape, the method for cutting the color filter in S5 is specifically as follows: S51. According to the length of the substrate , the length and width of the crop are and A first color filter, wherein is the width of the rolled color filter; S52. According to the width of the substrate , the length and width of the crop are and a second color filter; S6. Using the suction gripper (15) to absorb the cut color filter, and then attaching the cut color filter to the front surface of the substrate; The substrate is rectangular, and the cut color filter is two pieces, and needs to be spliced: S61. Obtain the coordinates of four marking points on the back surface of the substrate, and calculate the coordinates of the midpoint of the long edge of the substrate; S62. Obtain the coordinates of two cutting corners of any long side of the first color filter, and calculate the coordinates of the midpoint of the long side; S63. Control the movement of the substrate so that the center point of the first long side of the substrate coincides with the center point of the calculated long side of the first color filter; S64. Control the first color filter to rotate so that the edge of the first color filter coincides with the edge of the substrate, and attach the first color filter to the substrate; S65. Obtain the coordinates of two cutting corners of any long side of the second color filter, and calculate the coordinates of the midpoint of the long side; S66. Control the substrate to move so that the center point of the second long side of the substrate coincides with the center point of the calculated long side of the second color filter; S67. Control the second color filter to rotate so that the edge of the second color filter coincides with the edge of the substrate, and then attach the second color filter to the substrate; S7. Using a laminating roller (7) to roll and laminate the color filter and the substrate; S8. Cut the substrate with the color filter attached.

2. The flexible color filter laminating method according to claim 1, characterized in that: When the substrate is in a trapezoidal shape, the method for cutting the color filter in S5 is specifically as follows: S51. According to the first oblique edge of the substrate , second hypotenuse , Top and bottom , cut the top, bottom, first hypotenuse and second hypotenuse respectively , , and The first color filter; S52. According to the first oblique edge of the substrate , second hypotenuse , Top and bottom , cut the top, bottom, first hypotenuse and second hypotenuse respectively , , and a second color filter; The substrate is trapezoidal, and the cut color filter is two pieces, and when splicing is required: S61. Obtain the coordinates of the four marking points on the back surface of the substrate, and calculate the midpoint coordinates of the top of the substrate; S62. Obtain the coordinates of two cutting corners of the top of the first color filter, and calculate the coordinates of the midpoint of the top; S63. Control the movement of the substrate so that the center point of the top of the substrate coincides with the center point of the top of the first color filter; S64. Control the first color filter to rotate so that the top of the first color filter coincides with the top of the substrate, and attach the first color filter to the substrate; S65. Obtain the coordinates of two cutting corners of the lower base of the second color filter, and calculate the coordinates of the midpoint of the lower base; S66. Control the movement of the substrate so that the center point of the bottom of the substrate coincides with the center point of the bottom of the second color filter; S67. Control the second color filter to rotate so that the bottom of the second color filter overlaps with the bottom of the substrate, and then attach the second color filter to the substrate.

3. A flexible color filter bonding system obtained based on the flexible color filter bonding method according to any one of claims 1 to 2, characterized in that: It comprises a cutting mechanism (1), a laminating platform (2), a substrate loading mechanism (3) and a unloading mechanism (4), wherein the cutting mechanism (1) is used to cut color filters of a required size from a rolled color filter; The laminating platform (2) is used to hold the substrate and to absorb and transfer the cut color filter onto the substrate; The substrate loading mechanism (3) is used to provide the substrate to the adsorption platform; The unloading mechanism (4) is used to transport the substrate on which the color filter has been bonded to the processing equipment (5).

4. The flexible color filter bonding system according to claim 3, characterized in that: The cutting mechanism (1) comprises a reel-off shaft (11), a reel-off shaft (12), a cutting table (13), a cutting machine (14) and an adsorption gripper (15); The unwinding shaft (11) and the rewinding shaft (12) are respectively located on two sides of the cutting table (13), and the unwinding shaft (11) is used to place the rolled color filter, and the rewinding shaft (12) is used to receive the cut rolled color filter; The cutting machine (14) is used to cut out color filters of a required size; The adsorption gripper (15) is used to absorb the cut color filter and move back and forth between the cutting mechanism (1) and the adsorption platform.

5. The flexible color filter bonding system according to claim 3, characterized in that: The bonding platform (2) comprises a top plate (20), a track gantry (21), a bottom plate (22), a flip motor (23), an upper base (24), a positioning recognition camera (26), a lifting push rod (27), a lower base (28) and a rotating motor (29); The top plate (20) is slidably mounted on the top of the track gantry (21), and the track gantry (21) is fixedly mounted on the bottom plate (22); The flip motor (23) is installed on the side of the top plate (20), and an upper base (24) controlled to flip by the flip motor (23) is provided at the center of the top plate (20); The track gantry (21) is composed of side panels on both sides and a sliding seat on the top, wherein the side panels are provided with a telescopic mechanism (25), and the telescopic mechanism (25) is used to drive the positioning recognition camera (26) to move in a direction perpendicular to the side panels; The bottom plate (22) is fixedly provided with a lifting push rod (27) and a bracket, wherein the bottom plate (22) is placed on the top of the lifting push rod (27), and the bracket is fixedly provided with a rotating motor (29), which is used to drive the lower base (28) to rotate in a horizontal plane, and a fitting roller (7) is provided at the bottom of the lower base (28).

6. The flexible color filter bonding system according to claim 5, characterized in that: The telescopic mechanism (25) comprises two telescopic push rods, and the positioning identification camera (26) comprises a support rod (261) and a CCD camera (262), wherein the support rod (261) is vertically fixedly connected to the telescopic push rod, and a CCD camera (262) is fixedly mounted on both ends of the support rod (261), and the two CCD cameras (262) correspond to the upper base (24) and the lower base (28), respectively.

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