Photoetching positioning equipment for display screen processing
By designing a photolithography positioning device with a fixing mechanism and a spin coating mechanism, the problem of circular substrates moving on the worktable was solved, achieving stable fixing of the substrate and uniform coating of photoresist, thus improving the efficiency and precision of display screen processing.
Patent Information
- Application Number
- CN202520450984.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-14
AI Technical Summary
Existing photolithography positioning equipment cannot effectively fix circular substrates, causing them to move freely on the worktable and affecting the photolithography process.
A photolithography positioning device including a fixing mechanism and a spin coating mechanism was designed. The fixing mechanism realizes the opening and closing of the clamping plate through a gear system driven by a second motor, which can adapt to the fixing of circular substrates of different sizes. The spin coating mechanism realizes the uniform coating of photoresist through the cooperation of a telescopic plate and a scraping plate.
It achieves stable fixation of circular substrates and uniform application of photoresist, improving production efficiency and processing accuracy, reducing the time for changing fixtures, and adapting to the needs of substrates with different diameters.
Smart Images

Figure CN223815495U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to display screen processing technical field especially a photoetching positioning equipment for display screen processing. BACKGROUND
[0002] Display screen is a kind of electronic equipment for displaying image, text, video and other information, and is widely used in various electronic products and equipment.It is an important interface of human-computer interaction, and can convert electronic signal into visual content.Display screen has various types, and can be divided into various types according to technical principle, application scene and display effect.Photoetching processing of display screen is a key technology in the manufacturing process of display screen, and is mainly used to make fine circuit pattern and pixel structure on the substrate (such as glass or silicon wafer) of display screen.Photoetching technology transfers the designed circuit pattern to the substrate by optical and chemical methods, so as to realize circuit wiring, pixel arrangement and other functional layer manufacturing of display screen.
[0003] When photoetching processing is carried out on display screen, hexamethyldisilazane is used to process the substrate, so as to further enhance the adhesion of photoresist, and the photoresist is uniformly coated on the surface of the substrate by spin coating method, and some display screens use circular substrate, such as the display screen of smart watch, and the existing photoetching positioning equipment does not have the mechanism for limiting the circular substrate, so that the circular substrate is randomly moved on the workbench, and the photoetching work is not convenient.
[0004] The utility model aims at providing a photoetching positioning equipment for display screen processing to solve the problems in the background art. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a photoetching positioning equipment for display screen processing to solve the problems in the background art.
[0006] To achieve the above object, the utility model provides the following technical scheme: a photoetching positioning equipment for display screen processing,
[0007] Workbench;
[0008] Spraying mechanism, the spraying mechanism is set up in the top of workbench, is used to spray photoresist in the top of substrate;
[0009] Fixing mechanism, the fixing mechanism is used for fixing circular substrate, and the fixing mechanism includes mounting groove in workbench, and second motor is fixedly installed in mounting groove, and the output end of second motor is connected with control part for controlling the opening and closing of fixing mechanism;
[0010] The spin coating mechanism is used for uniformly coating photoresist on a circular substrate surface, and comprises a mounting plate fixedly mounted on the top of the workbench.
[0011] Further, the control part comprises a mounting disc fixedly mounted on the top of the mounting groove, a placing disc is arranged on the top of the mounting disc, a first gear is connected to the output end of the second motor and penetrates through the mounting disc, and the first gear is connected in mesh with a second gear.
[0012] Further, a plurality of sliding grooves are formed in the top of the second gear and penetrate through the second gear, a connecting column is slidably connected in each of the sliding grooves, and a sliding rod is connected to the top of the connecting column.
[0013] Further, a plurality of limiting grooves are formed in the top of the mounting disc, the sliding rod is slidably connected in the limiting grooves, and a clamping plate is connected to the end of the sliding rod.
[0014] Further, the spraying mechanism comprises a rotating column rotatably connected to the top of the workbench, a connecting plate is mounted on the top of the rotating column, and a glue spraying head is arranged on the bottom of the connecting plate.
[0015] Further, a controller is arranged on the top of the workbench, a telescopic plate is arranged on the top of the mounting plate, a first motor is arranged on the top of the telescopic plate, a telescopic column is connected to the output end of the first motor and penetrates through the telescopic plate, and a scraping plate is connected to the telescopic end of the telescopic column.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] 1. The fixing mechanism is arranged, the control part starts the second motor to rotate, so as to drive the control part to move, and then drive the sliding rod to drive the clamping plate to close and open, which has the advantages that the fixing assembly can be quickly adjusted to adapt to substrates of different sizes, the time for replacing the clamp is reduced, the production efficiency is improved, the substrate can be accurately adjusted to adapt to substrates of different diameters, and the stability and precision of the substrate during processing or testing are ensured.
[0018] 2. The spin coating mechanism is arranged, the telescopic plate can be telescopic to drive the telescopic column to move and change the position of the scraping plate, and after the telescopic action, the working height is suitable, which has the advantages that the height and position of the scraping plate can be changed according to actual working needs, and the applicable scene is more extensive. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0020] Fig. 1 The structure diagram of the present application is shown in the figure.
[0021] Fig. 2 The structure diagram of the present application is shown in the figure.
[0022] Fig. 3 The structure diagram of the present application is shown in the figure.
[0023] Fig. 4 The structure diagram of the present application is shown in the figure.
[0024] Explanation of reference signs:
[0025] In the figure:
[0026] 1, workbench; 2, mounting plate; 3, telescopic plate; 4, first motor; 5, telescopic column; 6, scraping plate; 7, rotating column; 8, glue spraying head; 9, connecting plate; 10, clamping plate; 11, controller; 12, placing disc; 13, mounting disc; 14, limiting groove; 15, sliding rod; 16, first gear; 17, second gear; 18, sliding groove; 19, connecting column; 20, mounting groove; 21, second motor. Embodiment
[0027] In the following description, a large number of specific details are given in order to provide a more thorough understanding of the present application. However, it is obvious to those skilled in the art that the present application can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present application, some technical features known in the art are not described.
[0028] Unless the direction is defined separately, the directions such as up, down, left, right, front, back, inside and outside mentioned in this paper are based on the directions such as up, down, left, right, front, back, inside and outside in the figure of the present application, which are explained here.
[0029] The connection mode can adopt existing modes such as bonding, welding, bolt connection, etc., and the actual needs are accurate.
[0030] Please refer to Figs. 1 to 4As shown, a display screen processing photoetching positioning equipment, the workbench 1, the workbench 1 top is provided with controller 11, spin coating mechanism is used for the uniform coating of the photoresist on the surface of the circular substrate, spin coating mechanism includes fixedly installed on the top of the workbench 1 mounting plate 2, the top of mounting plate 2 is provided with telescopic plate 3, the top of telescopic plate 3 is provided with first motor 4, the output end of first motor 4 is connected with telescopic column 5 through telescopic plate 3, the telescopic end of telescopic column 5 is connected with scraping plate 6, first motor 4 starts to drive telescopic column 5 to rotate, thereby driving scraping plate 6 to move, and then spraying work is carried out, spraying mechanism, spraying mechanism is arranged on the top of the workbench 1, is used for spraying photoresist on the top of the substrate, spraying mechanism includes rotating column 7 connected in the top of the workbench 1, the top of rotating column 7 is installed with connecting plate 9, the bottom of connecting plate 9 is provided with glue spraying head 8, connecting plate 9 is installed with the structure for placing photoresist in, which is not drawn in the figure, which is well known to those skilled in the art, and here is not too much elaboration.
[0031] Fixing mechanism, fixing mechanism is used for fixing the circular substrate, fixing mechanism includes installation groove 20 arranged in workbench 1, second motor 21 is fixedly installed in installation groove 20, the output end of second motor 21 is connected with control part for controlling the opening and closing of fixing mechanism, control part includes mounting disc 13 fixedly installed on the top of installation groove 20, the top of mounting disc 13 is provided with placing disc 12, placing disc 12 is hollow, and the outer side is provided with sliding slot for sliding rod 15 to slide, the output end of second motor 21 is connected with first gear 16 through mounting disc 13, first gear 16 is connected with second gear 17, second gear 17 is provided with a plurality of penetrating sliding grooves 18 on the top, a single sliding groove 18 is slidably connected with connecting column 19, the top of connecting column 19 is connected with sliding rod 15, a plurality of limiting grooves 14 are arranged on the top of mounting disc 13, sliding rod 15 is slidably connected in limiting groove 14, the end of sliding rod 15 is connected with clamping plate 10, clamping plate 10 is arc-shaped, which is arranged to better fit the outer side of the circular substrate, start second motor 21, thereby driving first gear 16 to rotate, thereby driving second gear 17 to rotate, thereby connecting column 19 drives sliding rod 15 to move under the limitation of sliding groove 18, thereby driving clamping plate 10 to open and close, controller 11 is electrically connected between first motor 4 and second motor 21.
[0032] First motor 4 and second motor 21 belong to prior art, the working principle, size and model are irrelevant to the problems solved by the present application, so no more description, the control mode of the utility model is controlled by controller 11, the control circuit of controller 11 can be realized by simple programming of those skilled in the art, and the power supply also belongs to the public knowledge in the art, and the utility model is mainly used for protecting mechanical devices, so the control mode and circuit connection of the utility model are not explained in detail.
[0033] Working principle: the circular substrate is placed on the placing disc 12, then the second motor 21 in the installation slot 20 is started, the first gear 16 on the installation disc 13 is driven to rotate by the second motor 21, and then the second gear 17 engaged with the first gear 16 is driven to rotate, so that the sliding slot 18 on the second gear 17 rotates, and then the connecting column 19 in the sliding slot 18 is driven to move, since the movement track of the sliding slot 18 connected with the connecting column 19 is limited by the limiting slot 14, the sliding rod 15 is driven to move, and then the clamping plate 10 is opened and closed, and then the circular substrate is fixed;
[0034] Then the telescopic plate 3 on one side of the installation plate 2 is telescoped, the telescopic column 5 is telescoped, so that the scraping plate 6 is adjusted to the appropriate working height, then the glue spraying head 8 at the bottom of the connecting plate 9 on the rotating column 7 sprays the photoresist to the surface of the circular substrate, then the first motor 4 is started to drive the scraping plate 6 to rotate, and then the photoresist is coated.
[0035] It should be noted that in this text, relational terms such as one and two are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "includes" "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the statement "includes a limited element" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.
[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A photolithography positioning device for display screen processing, characterized in that: Workbench (1); Spraying mechanism, which is located on the top of the worktable (1), is used to spray photoresist onto the top of the substrate; A fixing mechanism is used to fix a circular substrate. The fixing mechanism includes a mounting groove (20) opened in the workbench (1). A second motor (21) is fixedly installed in the mounting groove (20). The output end of the second motor (21) is connected to a control unit for controlling the opening and closing of the fixing mechanism. A spin coating mechanism is used to uniformly coat the photoresist on the surface of a circular substrate. The spin coating mechanism includes a mounting plate (2) fixedly installed on the top of the worktable (1).
2. The photolithography positioning equipment for display screen processing according to claim 1, characterized in that: The control unit includes a mounting plate (13) fixedly installed on the top of the mounting slot (20). A placement plate (12) is provided on the top of the mounting plate (13). The output end of the second motor (21) passes through the mounting plate (13) and is connected to a first gear (16). The first gear (16) is meshed with a second gear (17).
3. The photolithography positioning equipment for display screen processing according to claim 2, characterized in that: The second gear (17) has several through sliding grooves (18) on its top. A connecting post (19) is slidably connected in each sliding groove (18), and a sliding rod (15) is connected to the top of the connecting post (19).
4. The photolithography positioning equipment for display screen processing according to claim 3, characterized in that: The mounting plate (13) has several limiting grooves (14) on its top. The sliding rod (15) is slidably connected in the limiting grooves (14). The end of the sliding rod (15) is connected to a clamp (10).
5. The photolithography positioning equipment for display screen processing according to claim 1, characterized in that: The spraying mechanism includes a rotating column (7) rotatably connected to the top of the workbench (1), a connecting plate (9) is installed on the top of the rotating column (7), and a spray nozzle (8) is provided at the bottom of the connecting plate (9).
6. The photolithography positioning equipment for display screen processing according to claim 1, characterized in that: The workbench (1) is equipped with a controller (11) on top, the mounting plate (2) is equipped with a telescopic plate (3) on top, the telescopic plate (3) is equipped with a first motor (4) on top, the output end of the first motor (4) passes through the telescopic plate (3) and is connected to a telescopic column (5), and the telescopic end of the telescopic column (5) is connected to a scraping plate (6).