Design method for screen integrated black

Abstract

The invention belongs to the technical field of display screen panels, and particularly relates to a screen integrated black design method which comprises the specific implementation steps that S1, a black semi-transparent OCA with good filling performance and flexibility is used for being attached to a cover plate, and the silk-screen height difference is eliminated; s2, the black semitransparent OCA is attached to one side of an upper polaroid of the LCM, and the integrated black effect is achieved; and S3, finally, laminating the laminated box, the LCM laminated with the black semitransparent OCA and the other group of polaroids laminated with the LCD and the backlight together by using laminating equipment, so as to complete the process of integrated blackening of the screen, wherein the laminating equipment is used for laminating the laminated box, the LCM laminated with the black semitransparent OCA and the other group of polaroids laminated with the LCD and the backlight. Wherein the laminating equipment comprises a laminating box; a fixing assembly is arranged at the bottom of the inner side wall of the attaching box. The laminating box is provided with a positioning assembly through a fixing assembly; in the step, the combination of the colorless full-transparent OCA and the black semi-transparent OCA is used for replacing the original black semi-transparent OCA, so that the integrated black effect of the screen is realized, and meanwhile, laminating bubbles are not easy to appear.

Description

Technical Field

[0001] The present invention belongs to the technical field of display screen panels, and specifically relates to a design method for an integrated black screen. Background Art

[0002] The mobile phone cover plate is an important part of the mobile phone shell, usually referring to the transparent glass or plastic sheet covering the mobile phone display screen, which can protect the mobile phone from external scratches and damages.

[0003] Integrated black screen is a display technology aiming to make the color of the display area consistent with the edge ink area in the screen-off state, so as to enhance the visual experience. Generally, the mobile phone cover plate is screen-printed with black ink around and has a transparent window in the middle. To achieve integrated black screen, generally, a black semi-transparent OCA is used to bond the cover plate and the polarizer.

[0004] In the existing integrated black screen technology, due to the certain thickness of the black ink screen-printing on the cover plate, this area is higher than the middle transparent window area. Due to the poor filling property and softness of the black semi-transparent OCA, the problem of fitting bubbles is likely to occur.

[0005] Therefore, the present invention provides a design method for an integrated black screen. Summary of the Invention

[0006] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art.

[0007] The technical solution adopted by the present invention to solve its technical problems is as follows: A design method for an integrated black screen according to the present invention, the specific implementation steps of this method include: S1. First, use a black semi-transparent OCA with better filling property and softness to fit the cover plate to eliminate the height difference of screen-printing; S2. Then, use a black semi-transparent OCA to fit the upper polarizer side of the LCM module to achieve the effect of integrated black; S3. Finally, use a fitting device to fit the fitted cover plate, the LCM module fitted with a black semi-transparent OCA, and another group of polarizers fitted with an LCD and a backlight together to complete the process of integrated black screen; this step uses a combination of a colorless fully transparent OCA and a black semi-transparent OCA to replace the original black semi-transparent OCA solution, achieving integrated black screen and not easily having fitting bubbles.

[0008] Preferably, the laminating device described above includes a laminating box; a fixing component is provided at the bottom of the inner side wall of the laminating box; a positioning component is provided on the laminating box through the fixing component; a pressing component is provided at the top of the laminating box; a positive pressure dust removal component is provided on the side wall of the laminating box; during operation, the cover plate after laminating with colorless and fully transparent OCA is placed on the fixing component, adjusted by the positioning component, the polarizer after laminating with black semi-transparent OCA is covered on the cover plate, the pressing component is used to laminate the two together, and the positive pressure dust removal component keeps the inside of the laminating box in a positive pressure state; through the settings of the laminating box, the fixing component, the positioning component, the pressing component and the positive pressure dust removal component in this step, a laminating structure of the cover plate and the polarizer is formed, realizing the function of laminating the cover plate and the polarizer, improving the tightness of the lamination between the cover plate and the polarizer, and reducing the situation of misalignment during lamination.

[0009] Preferably, the pressing component includes an electric push rod, a pressing plate, an airbag and an air charging pipe; the electric push rod is fixedly connected to the top of the laminating box; the top of the pressing plate is fixedly connected to the transmission end of the electric push rod; the airbag is fixedly connected to the bottom of the pressing plate; the air charging pipe is fixedly connected to the top of the pressing plate; an air passage is provided in the middle of the pressing plate; the air charging pipe penetrates through the top of the laminating box; the air charging pipe communicates with the airbag through the air passage in the middle of the pressing plate; during operation, the cover plate and the polarizer are placed on the fixing component, the electric push rod is started, the electric push rod drives the pressing plate and the airbag to approach the cover plate and the polarizer, the air charging pipe is externally connected to compressed control air, the airbag contacts the workpiece to be laminated, the airbag inflates after being inflated, the cover plate and the polarizer are squeezed and laminated together, and then the air in the airbag is discharged, and the electric push rod drives the pressing plate and the airbag to reset; through the settings of the electric push rod, the pressing plate, the airbag and the air charging pipe in this step, a pressing structure is formed, realizing the function of uniformly pressing the cover plate and the polarizer, solving the situation that the gaps between the cover plate and the polarizer are inconsistent due to uneven pressure during the lamination of the cover plate and the polarizer, improving the quality of screen production, and improving the uniformity of the pressure received by each area of the screen.

[0010] Preferably, the fixing component includes a bottom plate, a negative pressure box and an air extraction pipe; the bottom plate is fixedly connected to the bottom of the inner side wall of the laminating box; a plurality of ventilation holes are formed in the middle of the bottom plate; the negative pressure box is fixedly connected to the bottom of the laminating box close to the bottom plate; the air extraction pipe is fixedly connected to the bottom of the negative pressure box; the air extraction pipe communicates with the bottom plate through the negative pressure box; during operation, the cover plate is placed on the top of the bottom plate, the air extraction pipe is externally connected to a vacuum pump, and the vacuum pump extracts the air from the negative pressure box and the top of the bottom plate to form a negative pressure. When the cover plate is placed on the top of the bottom plate, it is adsorbed on the top of the bottom plate for fixation; through the settings of the bottom plate, the negative pressure box and the air extraction pipe in this step, an adsorption and fixation structure is formed, realizing the function of adsorbing and fixing the cover plate, solving the situation that the cover plate is damaged due to inconsistent force during fixation, and improving the convenience during the fixation of the cover plate.

[0011] Preferably, the positioning component includes a fixing plate, a rotating plate, a top block, a sliding block, a first spring, a pressing block, a guide rod, a second spring, and a clamping plate; the fixing plate is fixedly connected to the side wall of the bottom plate; multiple groups of the fixing plates are arranged on the side wall of the bottom plate; the rotating plate is rotatably connected to the middle of the fixing plate; the top block is hinged to the end of the rotating plate close to the bottom plate; the top block is slidably connected to the top of the bottom plate; the fixing plate is hinged to the top end of the rotating plate; the first spring is fixedly connected to the side walls of the rotating plate and the fixing plate close to each other; the pressing block is fixedly connected to the outer side wall of the pressing plate; the guide rod is slidably connected to the middle of the top block; a pair of the guide rods are arranged in the middle of the top block and are symmetrically arranged; the clamping plate is fixedly connected to the end of the guide rod away from the fixing plate; the second spring is sleeved on the outer side wall of the guide rod away from the clamping plate; in this step, through the settings of the rotating plate, the top block, the sliding block, the first spring, the pressing block, the guide rod, the second spring, and the clamping plate, a workpiece positioning structure is formed, realizing the function of positioning and clamping the workpiece on the top of the bottom plate, solving the problem that when the pressure on the top of the workpiece on the top of the bottom plate increases, the clamping force on the edge of the workpiece remains unchanged, and the deformation of the workpiece is limited, resulting in workpiece breakage, reducing the situation of workpiece offset during fitting, reducing the situation of workpiece breakage caused by workpiece deformation under pressure, and improving the quality of workpiece processing.

[0012] Preferably, the positive-pressure dust removal component includes an exhaust fan, a drying box, a filter cotton, and a heating wire; the exhaust fan is fixedly connected to the side wall of the fitting box; multiple groups of the exhaust fans are arranged on the side wall of the fitting box and are symmetrically arranged; the drying box is fixedly connected to the side wall of the exhaust fan away from the fitting box; the filter cotton is fixedly connected to the side wall of the drying box away from the exhaust fan; the heating wire is fixedly connected to the middle of the fitting box close to the exhaust fan; during work, the exhaust fan is started, and the exhaust fan sucks the external air into the interior of the fitting box. Before the air enters the interior of the fitting box, the filter cotton filters the air, filtering external dust or foreign objects. A desiccant is placed in the drying box to dry the incoming air. The heating wire heats the incoming air to keep the environment inside the fitting box dust-free and at a constant temperature and humidity, creating a positive pressure inside the fitting box to reduce the entry of dust or foreign objects into the interior of the fitting box; in this step, through the settings of the exhaust fan, the drying box, the filter cotton, and the heating wire, a positive-pressure dust removal structure is formed, realizing the functions of filtering, drying, and heating the air entering the interior of the fitting box, solving the problem that external air carrying dust or foreign objects enters the interior of the fitting box and causes screen contamination, improving the cleanliness of the environment during screen fitting, and improving the quality of screen production.

[0013] Preferably, legs are fixedly connected to the bottom of the fitting box; multiple groups of legs are arranged at the bottom of the fitting box and are evenly distributed at the four corners of the bottom of the fitting box; rubber pads are fixedly connected to the bottoms of the legs far away; during operation, the legs support and fix the fitting box, and the rubber pads weaken the vibration transmitted from the outside; through the arrangement of the legs and the rubber pads in this step, the fitting box is supported and fixed, the situation of the fitting box tipping over is reduced, the stability of the equipment during operation is improved, and the influence of vibration on screen fitting is reduced.

[0014] Preferably, the bottom plate is made of non-metallic material; during operation, the bottom plate is made of non-metallic material and has a lower hardness than the cover plate material, reducing the situation of the cover plate being scratched and improving the quality of screen production.

[0015] The beneficial effects of the present invention are as follows: 1. For a design method of an integrated black screen of the present invention, by using a combination of colorless fully transparent OCA and black semi-transparent OCA to replace the original black semi-transparent OCA solution, an integrated black screen is achieved and it is not easy to have fitting bubbles.

[0016] 2. For a design method of an integrated black screen of the present invention, through the arrangement of a fitting box, a fixing component, a positioning component, a pressing component and a positive pressure dust removal component, a fitting structure of a cover plate and a polarizer is formed, realizing the function of fitting the cover plate and the polarizer, improving the tightness of the fitting of the cover plate and the polarizer, and reducing the situation of misalignment during fitting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the drawings.

[0018] Figure 1 is the flowchart of the design method in the present invention; Figure 2 is the schematic diagram of the integrated black screen structure in the present invention; Figure 3 is the three-dimensional view of the fitting device in the present invention; Figure 4 is the schematic diagram of the cooperation structure of the electric push rod and the airbag in the present invention; Figure 5 is the schematic diagram of the cooperation structure of the exhaust fan and the drying box in the present invention; Figure 6 is the schematic diagram of the cooperation structure of the rotating plate and the top block in the present invention.

[0019] In the figure: 1. Fitting box; 11. Cover plate; 12. Colorless fully transparent OCA; 13. Black semi-transparent OCA; 14. Polarizer; 15. LCD; 16. Backlight; 2. Electric push rod; 21. Pressing plate; 22. Airbag; 23. Inflatable tube; 3. Bottom plate; 31. Negative pressure box; 32. Exhaust pipe; 4. Fixed plate; 41. Rotating plate; 42. Top block; 43. Sliding block; 44. First spring; 45. Extrusion block; 46. Guide rod; 47. Second spring; 48. Clamping plate; 5. Exhaust fan; 51. Drying box; 52. Filter cotton; 53. Heating wire; 6. Leg; 61. Rubber pad. Detailed implementation manners

[0020] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below in conjunction with specific implementation manners.

[0021] As Figure 1 and Figure 2 shown, a design method for integrated black screen of an embodiment of the present invention includes the following specific implementation steps: S1. First, use the black semi-transparent OCA 13 with good filling property and softness to fit the cover plate 11 to eliminate the height difference of the silk screen; S2. Then, use the black semi-transparent OCA 13 to fit one side of the upper polarizer 14 of the LCM module to achieve the effect of integrated black; S3. Finally, use a fitting device to fit the fitted cover plate 11, the LCM module after fitting the black semi-transparent OCA 13, and the other set of polarizers 14 after fitting the LCD 15 and the backlight 16 together to complete the process of integrated black screen; select the colorless fully transparent OCA 12 with good filling property and softness to fit the cover plate 11. The colorless fully transparent OCA 12 is preferably Mitsubishi OCA to eliminate the height difference between the transparent window area and the black silk screen. Then, use the black semi-transparent OCA 13 to fit one side of the upper polarizer 14 of the LCM module. Finally, fit the cover plate with the colorless fully transparent OCA 12 and the LCM module with the black semi-transparent OCA 13 together to achieve the effect of integrated black screen. In this step, the combination of the colorless fully transparent OCA 12 and the black semi-transparent OCA 13 is used to replace the original black semi-transparent OCA 13 scheme, so as to achieve integrated black screen and not easily generate fitting bubbles.

[0022] As Figures 3 to 6As shown in the figure, the laminating device includes a laminating box 1; a fixing component is provided at the bottom of the inner side wall of the laminating box 1; a positioning component is provided on the laminating box 1 through the fixing component; a pressing component is provided at the top of the laminating box 1; a positive pressure dust removal component is provided on the side wall of the laminating box 1; during operation, the cover plate after laminating with colorless and fully transparent OCA 12 is placed on the fixing component, adjusted by the positioning component, the polarizer 14 after laminating with black semi-transparent OCA 13 is covered on the cover plate, and the pressing component is used to laminate the two together, and the positive pressure dust removal component keeps the inside of the laminating box 1 in a positive pressure state; through the settings of the laminating box 1, the fixing component, the positioning component, the pressing component and the positive pressure dust removal component in this step, a laminating structure of the cover plate 11 and the polarizer 14 is formed, realizing the function of laminating the cover plate 11 and the polarizer 14, improving the tightness of the lamination between the cover plate 11 and the polarizer 14, and reducing the situation of misalignment during lamination.

[0023] As Figure 4 and Figure 5 shown in the figure, the pressing component includes an electric push rod 2, a pressing plate 21, an air bag 22 and an air charging pipe 23; the electric push rod 2 is fixedly connected to the top of the laminating box 1; the top of the pressing plate 21 is fixedly connected to the transmission end of the electric push rod 2; the air bag 22 is fixedly connected to the bottom of the pressing plate 21; the air charging pipe 23 is fixedly connected to the top of the pressing plate 21; an air passage is provided in the middle of the pressing plate 21; the air charging pipe 23 penetrates through the top of the laminating box 1; the air charging pipe 23 communicates with the air bag 22 through the air passage in the middle of the pressing plate 21; during operation, the cover plate 11 and the polarizer 14 are placed on the fixing component, the electric push rod 2 is started, the electric push rod 2 drives the pressing plate 21 and the air bag 22 to approach the cover plate and the polarizer 14, the air charging pipe 23 is externally connected to compressed control air, the air bag 22 contacts the workpiece to be laminated, the air bag 22 expands after being inflated, the cover plate 11 and the polarizer 14 are squeezed and laminated together, and then the air in the air bag 22 is discharged, and the electric push rod 2 drives the pressing plate 21 and the air bag 22 to reset; through the settings of the electric push rod 2, the pressing plate 21, the air bag 22 and the air charging pipe 23 in this step, a pressing structure is formed, realizing the function of uniformly pressing the cover plate 11 and the polarizer 14, solving the situation that the gaps between the cover plate 11 and the polarizer 14 are inconsistent due to uneven pressure during the lamination of the cover plate 11 and the polarizer 14, improving the quality of screen production, and improving the uniformity of the pressure received by each area of the screen.

[0024] As Figure 5As shown, the fixing component includes a bottom plate 3, a negative pressure box 31, and an air extraction pipe 32; the bottom plate 3 is fixedly connected to the bottom of the inner side wall of the fitting box 1; multiple groups of ventilation holes are provided in the middle of the bottom plate 3; the negative pressure box 31 is fixedly connected to the bottom of the fitting box 1 close to the bottom plate 3; the air extraction pipe 32 is fixedly connected to the bottom of the negative pressure box 31; the air extraction pipe 32 communicates with the bottom plate 3 through the negative pressure box 31; during operation, the cover plate 11 is placed on the top of the bottom plate 3, and the air extraction pipe 32 is externally connected to a vacuum pump, which sucks away the air at the top of the negative pressure box 31 and the bottom plate 3 to form a negative pressure. When the cover plate 11 is placed on the top of the bottom plate 3, it is adsorbed on the top of the bottom plate 3 for fixation; through the settings of the bottom plate 3, the negative pressure box 31, and the air extraction pipe 32 in this step, an adsorption and fixation structure is formed, realizing the function of adsorbing and fixing the cover plate 11, solving the problem of damage to the cover plate 11 caused by inconsistent forces during fixation, and improving the convenience during the fixation of the cover plate 11.

[0025] As Figures 4 to 6As shown, the positioning assembly includes a fixed plate 4, a rotating plate 41, a top block 42, a sliding block 43, a first spring 44, an extrusion block 45, a guide rod 46, a second spring 47 and a clamping plate 48; the fixed plate 4 is fixedly connected to the side wall of the bottom plate 3; multiple groups of fixed plates 4 are arranged on the side wall of the bottom plate 3; the rotating plate 41 is rotatably connected to the middle part of the fixed plate 4; the top block 42 is hinged to the end of the rotating plate 41 close to the bottom plate 3; the top block 42 is slidably connected to the top of the bottom plate 3; the fixed plate 4 is hinged to the top of the rotating plate 41; the first spring 44 is fixedly connected to the side walls of the rotating plate 41 and the fixed plate 4 close to each other; the extrusion block 45 is fixedly connected The guide rod 46 is connected to the outer wall of the pressure plate 21; the guide rod 46 is slidably connected to the middle of the top block 42; a pair of guide rods 46 are arranged in the middle of the top block 42, and are symmetrically arranged; the clamping plate 48 is fixedly connected to the end of the guide rod 46 away from the fixed plate 4; the second spring 47 is sleeved on the outer wall of the guide rod 46 away from the clamping plate 48; during operation, when the electric push rod 2 drives the pressure plate 21 to move downward, the pressure plate 21 drives the extrusion block 45 to move downward, the extrusion block 45 contacts the sliding block 43, the sliding block 43 slides on the outer wall of the extrusion block 45, and the extrusion block 45 opens the multiple groups of sliding blocks 43 and the rotating plate 41 to the outer wall, and the rotating plate 4 1 slides in the middle of the fixed plate 4, so that the end of the rotating plate 41 close to the top block 42 slides toward the middle of the bottom plate 3, the first spring 44 is stretched, the clamping plate 48 presses against the side wall of the workpiece, and the workpiece is clamped and fixed on the top of the bottom plate 3, and the airbag 22 is inflated and pressed on the top of the workpiece. When the pressure of the airbag 22 pressing the workpiece increases, the airbag 22 expands outward and contacts the clamping plate 48, pressing the clamping plate 48 to move toward the fixed plate 4, and the clamping plate 48 drives the guide rod 46 to slide in the middle of the top block 42, and the second spring 47 is stretched. After the workpiece is fitted, the electric push rod 2 drives the pressing plate 21 to move upward, and the first spring 44 and the second spring 47 are stretched. The second spring 47 drives the device to reset; this step forms a workpiece positioning structure through the arrangement of the rotating plate 41, the top block 42, the sliding block 43, the first spring 44, the extrusion block 45, the guide rod 46, the second spring 47 and the clamping plate 48, thereby realizing the function of positioning and clamping the workpiece on the top of the base plate 3, solving the problem that when the pressure on the workpiece at the top of the base plate 3 increases, the clamping force on the edge of the workpiece remains unchanged, the deformation of the workpiece is limited, and the workpiece is damaged, thereby reducing the deviation of the workpiece during fitting and reducing the damage of the workpiece caused by deformation when the workpiece is under pressure, thereby improving the quality of the workpiece during processing.

[0026] like Figure 5As shown in the figure, the positive pressure dust removal component includes an exhaust fan 5, a drying box 51, a filter cotton 52 and a heating wire 53; the exhaust fan 5 is fixedly connected to the side wall of the fitting box 1; multiple groups of exhaust fans 5 are arranged on the side wall of the fitting box 1 and are symmetrically arranged; the drying box 51 is fixedly connected to the side wall of the exhaust fan 5 away from the fitting box 1; the filter cotton 52 is fixedly connected to the side wall of the drying box 51 away from the exhaust fan 5; the heating wire 53 is fixedly connected to the middle of the fitting box 1 close to the exhaust fan 5; during operation, the exhaust fan 5 is started, and the exhaust fan 5 sucks the external air into the interior of the fitting box 1. Before the air enters the interior of the fitting box 1, the filter cotton 52 filters the air to filter dust or foreign objects in the outside world. A desiccant is placed in the drying box 51 to dry the incoming air. The heating wire 53 heats the incoming air to keep the environment inside the fitting box 1 dust-free and at a constant temperature and humidity, creating a positive pressure inside the fitting box 1 to reduce the entry of dust or foreign objects into the interior of the fitting box 1; through the settings of the exhaust fan 5, the drying box 51, the filter cotton 52 and the heating wire 53 in this step, a positive pressure dust removal structure is formed, realizing the functions of filtering, drying and heating the air entering the interior of the fitting box 1, solving the problem of the screen being soiled by dust or foreign objects carried by the external air entering the interior of the fitting box 1, improving the cleanliness of the environment during screen fitting, and improving the quality of screen production.

[0027] As Figure 3 shown, legs 6 are fixedly connected to the bottom of the fitting box 1; multiple groups of legs 6 are arranged at the bottom of the fitting box 1 and are evenly distributed at the four corners of the bottom of the fitting box 1; a rubber pad 61 is fixedly connected to the bottom of the legs 6 away from the fitting box 1; during operation, the legs 6 support and fix the fitting box 1, and the rubber pad 61 weakens the vibration transmitted from the outside; through the settings of the legs 6 and the rubber pad 61 in this step, the fitting box 1 is supported and fixed, reducing the situation of the fitting box 1 tipping over, improving the stability during equipment operation, and reducing the impact of vibration on screen fitting.

[0028] As Figure 6 shown, the bottom plate 3 is made of a non-metallic material; during operation, the bottom plate 3 is made of a non-metallic material and has a lower hardness than the material of the cover plate 11, reducing the situation of the cover plate 11 being scratched and improving the quality of screen production.

[0029] During operation, the cover plate 11 after being bonded with the colorless fully transparent OCA12 is placed on the fixed component, and the positioning component is used to adjust it, and the LCM module after being bonded with the black semi-transparent OCA13 is covered on the cover plate 11, and the two are bonded together using the pressing component, and the positive pressure dust removal component keeps the inside of the bonding box 1 in a positive pressure state; the cover plate 11 and the LCM module are placed on the fixed component, and the electric push rod 2 is started, and the electric push rod 2 drives the pressing plate 21 and the airbag 22 to approach the cover plate and the LCM module, and the inflation tube 23 is externally connected to the compressed control air, and the airbag 22 contacts the workpiece to be bonded, and the airbag 22 expands after being inflated, so that the cover plate 11 and the LCM module are squeezed and bonded together. The electric push rod 2 drives the pressing plate 21 and the air bag 22 to reset; the cover plate 11 is placed on the top of the bottom plate 3, and the exhaust pipe 32 is externally connected to a vacuum pump. The vacuum pump extracts the air from the negative pressure box 31 and the top of the bottom plate 3 to form a negative pressure. When the cover plate 11 is placed on the top of the bottom plate 3, it is adsorbed on the top of the bottom plate 3 for fixation; when the electric push rod 2 drives the pressing plate 21 to move downward, the pressing plate 21 drives the extrusion block 45 to move downward, the extrusion block 45 contacts the sliding block 43, the sliding block 43 slides on the outer wall of the extrusion block 45, the extrusion block 45 opens the multiple groups of sliding blocks 43 and the rotating plate 41 to the outer wall, and the rotating plate 41 slides in the middle of the fixed plate 4 , so that the end of the rotating plate 41 close to the top block 42 slides toward the middle of the bottom plate 3, the first spring 44 is stretched, the clamping plate 48 presses against the side wall of the workpiece, and the workpiece is clamped and fixed on the top of the bottom plate 3, and the airbag 22 is inflated and pressed on the top of the workpiece. When the pressure of the airbag 22 pressing the workpiece increases, the airbag 22 expands outward and contacts the clamping plate 48, squeezing the clamping plate 48 to move toward the fixed plate 4, and the clamping plate 48 drives the guide rod 46 to slide in the middle of the top block 42, and the second spring 47 is stretched. After the workpiece is fitted, the electric push rod 2 drives the pressure plate 21 to move upward, and the first spring 44 and the second spring 47 drive the device to reset; start the exhaust fan 5, and the exhaust fan 5 will exhaust the external air Air is sucked into the laminating box 1. Before the air enters the laminating box 1, the filter cotton 52 filters the air and filters the dust or foreign matter from the outside. A desiccant is placed in the drying box 51 to dry the incoming air. The heating wire 53 heats the incoming air to maintain the environment inside the laminating box 1 at a dust-free, constant temperature and humidity, so that a positive pressure is formed inside the laminating box 1 to reduce the dust or foreign matter from entering the laminating box 1; the legs 6 support and fix the laminating box 1, and the rubber pads 61 reduce the vibration transmitted from the outside; the bottom plate 3 is made of non-metallic material, and its hardness is lower than that of the cover plate 11 material, which reduces the scratches on the cover plate 11 and improves the quality of screen production.

[0030] The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments, and what is described in the above embodiments and the specification is only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A design method for a black screen, characterized by: The specific implementation steps of the method include: S1. First, a black semi-transparent OCA (13) with good filling and softness is used to laminate the cover plate (11) to eliminate the height difference of the silk screen printing; S2, using a black semi-transparent OCA (13) to adhere to one side of the upper polarizer (14) of the LCM module to achieve an integrated black effect; S3. Finally, a laminating device is used to laminate the laminated cover plate (11), the LCM module laminated with the black semi-transparent OCA (13), and another set of polarizers (14) laminated with the LCD (15) and the backlight (16) to complete the process of making the screen black.

2. A method for designing a black screen according to claim 1, characterized in that: The laminating device in S3 comprises a laminating box (1); a fixing component is provided at the bottom of the inner wall of the laminating box (1); a positioning component is provided through the fixing component of the laminating box (1); a pressing component is provided at the top of the laminating box (1); and a positive pressure dust removal component is provided on the side wall of the laminating box (1).

3. A method for designing a black screen according to claim 2, characterized in that: The laminating assembly comprises an electric push rod (2), a pressing plate (21), an air bag (22) and an inflation tube (23); the electric push rod (2) is fixedly connected to the top of the laminating box (1); the top of the pressing plate (21) is fixedly connected to the transmission end of the electric push rod (2); the air bag (22) is fixedly connected to the bottom of the pressing plate (21); the inflation tube (23) is fixedly connected to the top of the pressing plate (21); an air passage is provided in the middle of the pressing plate (21); the inflation tube (23) passes through the top of the laminating box (1); the inflation tube (23) communicates with the air bag (22) through the air passage in the middle of the pressing plate (21).

4. A method for designing a black screen according to claim 2, characterized in that: The fixing assembly comprises a bottom plate (3), a negative pressure box (31) and an exhaust pipe (32); the bottom plate (3) is fixedly connected to the bottom of the inner wall of the laminating box (1); a plurality of ventilation holes are provided in the middle of the bottom plate (3); the negative pressure box (31) is fixedly connected to the bottom of the laminating box (1) near the bottom plate (3); the exhaust pipe (32) is fixedly connected to the bottom of the negative pressure box (31); and the exhaust pipe (32) is communicated with the bottom plate (3) through the negative pressure box (31).

5. The method for designing a black screen according to claim 4, characterized in that: The positioning assembly comprises a fixed plate (4), a rotating plate (41), a top block (42), a sliding block (43), a first spring (44), an extrusion block (45), a guide rod (46), a second spring (47) and a clamping plate (48); the fixed plate (4) is fixedly connected to the side wall of the bottom plate (3); a plurality of fixed plates (4) are arranged on the side wall of the bottom plate (3); the rotating plate (41) is rotatably connected to the middle part of the fixed plate (4); the top block (42) is hinged to the end of the rotating plate (41) close to the bottom plate (3); the top block (42) is slidably connected to the top of the bottom plate (3); the fixed plate (4) is fixedly connected to the side wall ... The fixed plate (4) is hinged at the top end of the rotating plate (41); the first spring (44) is fixedly connected to the side walls of the rotating plate (41) and the fixed plate (4) close to each other; the extrusion block (45) is fixedly connected to the outer side wall of the pressure plate (21); the guide rod (46) is slidably connected to the middle of the top block (42); a pair of guide rods (46) are provided in the middle of the top block (42) and are symmetrically arranged; the clamping plate (48) is fixedly connected to the end of the guide rod (46) away from the fixed plate (4); and the second spring (47) is sleeved on the outer side wall of the guide rod (46) away from the clamping plate (48).

6. The method for designing a black screen according to claim 2, characterized in that: The positive pressure dust removal assembly comprises an exhaust fan (5), a drying box (51), filter cotton (52) and a heating wire (53); the exhaust fan (5) is fixedly connected to the side wall of the laminating box (1); the exhaust fans (5) are arranged in multiple groups on the side wall of the laminating box (1), and are arranged symmetrically; the drying box (51) is fixedly connected to the side wall of the exhaust fan (5) away from the laminating box (1); the filter cotton (52) is fixedly connected to the side wall of the drying box (51) away from the exhaust fan (5); and the heating wire (53) is fixedly connected to the middle part of the laminating box (1) close to the exhaust fan (5).

7. The method for designing a black screen according to claim 2, characterized in that: The bottom of the laminating box (1) is fixedly connected to a support leg (6); a plurality of groups of the support legs (6) are arranged at the bottom of the laminating box (1) and are evenly distributed at the four corners of the bottom of the laminating box (1); a rubber pad (61) is fixedly connected to the bottom away from the support legs (6).

8. The method for designing a black screen according to claim 4, characterized in that: The bottom plate (3) is made of non-metallic material.

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