Double-sided graphic projection sheet taking glass as base material and projection frame

By using double-sided graphic projectors with a glass substrate and an adjustable projector stand structure, the grayscale graphic speckle phenomenon is solved, the display quality of the projector and the stability of the projector stand are improved, and space is saved.

CN224020081UActive Publication Date: 2026-03-20DONGGUAN STANDARD ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202520622131.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-03-20
Estimated Expiration
2035-04-02

AI Technical Summary

Technical Problem

The grayscale images of existing slides are prone to developing speckles when magnified, affecting the presentation quality and viewing effect of the slides.

Method used

The double-sided graphic projection sheet uses glass as the substrate. One surface is in focus to produce non-grayscale graphics, while the other surface is out of focus to produce grayscale graphics. The defocusing projection blurring principle is used to solve the speckle phenomenon, and the adjustable projection stand structure improves stability and saves space.

Benefits of technology

It improves the presentation quality of the slides, clearly displays the projected content, and saves space and enhances stability through an adjustable projector stand structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a double-sided graphic projection sheet with glass as a base material and a projection frame in the related technical field of projection sheets, which comprise a projection sheet main body, the middle position of the projection sheet main body is provided with a projection sheet base material, the projection sheet base material is made of glass, and the projection sheet base material is made of glass. A first coating layer and a second coating layer are respectively arranged on the upper surface and the lower surface of the screen sheet base material, a corresponding surface of the first coating layer is a positive focal length surface of the screen sheet main body, a non-gray-scale pattern is made on the positive focal length surface, a corresponding surface of the second coating layer is an out-of-focus state surface, and a gray-scale pattern is made on the out-of-focus state surface. The screen sheet main body is provided with the screen sheet base material, the first coating layer and the second coating layer, one surface of the screen sheet main body is provided with a positive focal length non-gray-scale pattern, the other surface of the screen sheet main body is provided with an out-of-focus state gray-scale pattern, and the pocking mark phenomenon after the gray-scale pattern projection is solved by utilizing the principle that the out-of-focus projection is blurred. And the presentation quality of the projection sheet is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the related technical field of projection sheet, concretely relates to a double -sided pattern projection sheet and projection frame with glass as base material. BACKGROUND

[0002] Projection is a word that we often hear in our daily life, its meaning involves different fields, such as physics, psychology or medicine, in the medical field, projection refers to the shadow or reflection formed on the surface of the body by the organ or tissue inside the body, and this reflection is usually observed and recorded by a special device or technology, projection can help doctors or researchers understand the physical condition of patients without direct contact or invasion of the patient's body, and the detection result of medical detection equipment needs to be presented by projection sheet after detection. In the prior art, the pattern of the projection sheet only exists on one side, when the projection pattern contains gray scale information, since the gray scale pattern is composed of small dots, the pattern of the gray scale part will project out the visible pinhead after magnification, which affects the presentation quality and observation effect of the projection sheet.

[0003] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art, and provide a double -sided pattern projection sheet and projection frame with glass as base material, in order to solve the above technical problems, the basic idea of the technical scheme of the utility model is:

[0005] A double -sided pattern projection sheet and projection frame with glass as base material, including projection sheet main part, the middle position of projection sheet main part is provided with projection sheet base material, the projection sheet base material is glass material, the upper and lower surfaces of projection sheet base material are provided with coating layer one and coating layer two respectively, the corresponding surface of coating layer one is the normal focal length surface of projection sheet main part, and non-gray scale pattern is made on the normal focal length surface, the corresponding surface of coating layer two is the out-of-focus surface, and gray scale pattern is made on the out-of-focus surface, and the principle of virtualization of out-of-focus projection is used to solve the pinhead phenomenon after gray scale pattern projection.

[0006] As a further scheme of the present application: the projection frame comprises a supporting base frame, two ends of the supporting base frame are fixedly provided with stable extension rods, lengths of the stable extension rods on both sides of the supporting base frame are inconsistent, one end is long and the other end is short, the short end of the stable extension rod is provided with a telescopic adjusting rod, the lower end of the telescopic adjusting rod and the lower end of the long end of the stable extension rod are both correspondingly provided with a moving wheel, a main supporting rod is arranged on the upper side of the stable extension rod and corresponds to the position of the supporting base frame, a lifting adjusting rod is arranged on the upper side of the main supporting rod, a fixed clamping seat is arranged on the upper end of the lifting adjusting rod, a film viewing lamp box is arranged on the fixed clamping seat, and the display content of the projection film can be clearly viewed.

[0007] As a further scheme of the present application: the film viewing lamp box is internally provided with a lamp strip and lamp beads, a light-transmitting cover is arranged at the film viewing lamp box at a position corresponding to the lamp strip and lamp beads, an iron material is arranged in a region on the film viewing lamp box outside the light-transmitting cover, a magnetic buckle is arranged outside the iron material, and the magnetic buckle and the iron material can cooperate to fix the projection film body.

[0008] As a further scheme of the present application: the fixed clamping seat is of a U-shaped structure, a fixing screw is arranged on the outer side of the fixed clamping seat, and the fixing screw is used to fix the film viewing lamp box.

[0009] As a further scheme of the present application: the main supporting rod is of a hollow structure, the lower end of the lifting adjusting rod is inserted and connected into the hollow of the main supporting rod, a lifting adjusting screw is arranged on the outer side of the main supporting rod and is used to lock the supporting position of the lifting adjusting rod.

[0010] As a further scheme of the present application: the stable extension rod is of a hollow structure, one end of the stable extension rod matched with the telescopic adjusting rod is a hollow open end, and the telescopic adjusting rod can be telescopically adjusted outward.

[0011] As a further scheme of the present application: the long end of the stable extension rod is on the back side of the film viewing lamp box, and the long end of the stable extension rod can be inserted into the space below the cabinet.

[0012] After the above technical scheme is adopted, the present application has the following beneficial effects compared with the prior art.

[0013] The projection film body is provided with a projection film base material, a first coating layer and a second coating layer, one surface of the projection film body is a positive focal length non-gray scale pattern, and the other surface is a defocus state gray scale pattern, the principle of defocus projection is used to solve the phenomenon of mottling after gray scale pattern projection, and the presentation quality of the projection film is improved.

[0014] The utility model is used to the height of the projection frame for observing the projection sheet is adjustable structure design, the stable extension rod set up on the support base extends to one side, can extend to the clearance below the cabinet, namely can save the floor space, also can pass through the cabinet bottom plate and position the stable extension rod, improve the stability of the whole structure of projection frame, the short head one end of stable extension rod is provided with telescopic adjusting rod, can adjust according to actual needs.

[0015] The utility model will be described in further detail below in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings as a part of the application are used to provide further understanding of the utility model, and the illustrative embodiment of the utility model and its explanation are used to explain the utility model, but do not constitute improper limitation to the utility model. Obviously, the drawings in the following description are only some embodiments, and other drawings can be obtained by the drawings for the ordinary skilled in the art without creating creative labor. In the drawings:

[0017] Fig. 1 It is the projection frame use state structure diagram of the utility model;

[0018] Fig. 2 It is the main view of the projection frame use state of the utility model;

[0019] Fig. 3 It is the side view of the projection frame use state of the utility model;

[0020] Fig. 4 It is the projection sheet main body layering diagram of the utility model.

[0021] In the drawing: 1, projection sheet main body;2, view film light box;3, magnetic force buckle;4, light transmission cover;5, fixed clamping base;6, fixed screw;7, lifting adjusting rod;8, main support rod;9, lifting adjusting screw;10, support base;11, stable extension rod;12, telescopic adjusting rod;13, moving wheel;14, projection sheet base material;15, coating layer one;16, coating layer two.

[0022] It should be noted that these drawings and text description are not intended to limit the concept range of the utility model in any way, but explain the concept of the utility model to the person skilled in the art by referring to the specific embodiment. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the embodiment will be described clearly and completely below in combination with the drawings of the utility model embodiment, and the following embodiment is used to explain the utility model, but not to limit the range of the utility model.

[0024] As shown in Figs. 1 to 4 A double-sided pattern projection sheet and projection frame with glass as the base material, the projection sheet body 1 is provided with a projection sheet base material 14 at the middle position, the projection sheet base material 14 is made of glass, the upper and lower surfaces of the projection sheet base material 14 are respectively provided with a coating layer one 15 and a coating layer two 16, the corresponding surface of the coating layer one 15 is the normal focal surface of the projection sheet body 1, the non-gray scale pattern is made on the normal focal surface, the corresponding surface of the coating layer two 16 is the out-of-focus surface, and the gray scale pattern is made on the out-of-focus surface. The principle of out-of-focus projection is used to solve the phenomenon of gray scale pattern projection.

[0025] The projection frame includes a support base 10, and stable extension rods 11 are fixedly arranged at both ends of the support base 10. The stable extension rods 11 located at both sides of the support base 10 have different lengths, one end is long and the other end is short. The short end of the stable extension rod 11 is provided with a telescopic adjusting rod 12. The lower end of the telescopic adjusting rod 12 and the lower end of the long end of the stable extension rod 11 are both correspondingly provided with a moving wheel 13. A main support rod 8 is arranged at a position corresponding to the support base 10 above the stable extension rod 11. A lifting adjusting rod 7 is arranged above the main support rod 8. A fixed clamping seat 5 is arranged at the upper end of the lifting adjusting rod 7. An observation light box 2 is arranged on the fixed clamping seat 5 to facilitate clear viewing of the display content of the projection sheet.

[0026] The observation light box 2 is internally provided with a lamp strip and lamp beads. The observation light box 2 at a position corresponding to the lamp strip and lamp beads is provided with a light transmission cover 4. An iron material is arranged in a region outside the light transmission cover 4 on the observation light box 2. A magnetic buckle 3 is arranged outside the iron material. The magnetic buckle 3 and the iron material cooperate to fix the projection sheet body 1.

[0027] The fixed clamping seat 5 has a U-shaped structure. Fixed screws 6 are arranged outside the fixed clamping seat 5 to fix the observation light box 2.

[0028] The main support rod 8 has a hollow structure. The lower end of the lifting adjusting rod 7 is inserted and arranged in the hollow of the main support rod 8. Lifting adjusting screws 9 are arranged outside the main support rod 8 to lock the support position of the lifting adjusting rod 7.

[0029] The stable extension rod 11 has a hollow structure. One end of the stable extension rod 11 matched with the telescopic adjusting rod 12 is a hollow open end. The telescopic adjusting rod 12 can be telescoped outward.

[0030] The long end of the stable extension rod 11 is located at the back side of the observation light box 2, facilitating insertion of the long end of the stable extension rod 11 into the space below the cabinet.

[0031] The working principle of the utility model is: embodiment one: the projection film base material 14 selects quartz or glass material, the coating layer one 15 and the coating layer two 16 are usually metal or metal oxide, the main function of the coating layer one 15 and the coating layer two 16 is to prevent light from passing, the corresponding surface of the coating layer one 15 is the positive focal length surface of the projection film main body 1, the non-gray scale pattern is made on the positive focal length surface, the corresponding surface of the coating layer two 16 is the defocus surface, the gray scale pattern is made on the defocus surface, the principle of defocus projection being blurred is used to solve the phenomenon of the gray scale pattern appearing after projection, and then the presentation quality of the projection film is improved;

[0032] Embodiment two: the support base frame 10 of the projection frame is provided with the stable extension rod 11, the length dimensions of the stable extension rod 11 located on the two sides of the support base frame 10 are inconsistent, wherein the length of the stable extension rod 11 located on the back of the film viewing lamp box 2 is longer, the length of the stable extension rod 11 located on the front of the film viewing lamp box 2 is shorter, the long end of the stable extension rod 11 can be inserted into the space below the office cabinet, the back of the film viewing lamp box 2 contacts with the outer wall of the cabinet body, so that the occupied space can be saved, the stable extension rod 11 can be limited by the cabinet bottom plate, the stability of the overall structure of the projection frame is improved, the film viewing lamp box 2 is an existing product, and the internal structure is not described herein.

[0033] The utility model discloses the projection film main body 1 is provided with projection film base material 14, coating layer one 15 and coating layer two 16, one surface of projection film main body 1 is the non-gray scale pattern of positive focal length, another surface is the gray scale pattern of defocus state, the principle of defocus projection being blurred is used to solve the phenomenon of the gray scale pattern appearing after projection, and then the presentation quality of the projection film is improved;

[0034] The height of the projection frame for observing the projection film is the adjustable structure design, the stable extension rod 11 set up on the support base frame 10 extends to one side, can extend to the clearance below the cabinet, so that the occupied space can be saved, the stable extension rod 11 can be limited by the cabinet bottom plate, the stability of the overall structure of the projection frame is improved, and the short head one end of the stable extension rod 11 is provided with the telescopic adjusting rod 12, can be adjusted according to actual needs.

[0035] The above only is the preferable embodiment of the utility model, and does not limit the utility model in any form, although the utility model has disclosed as above with the preferable embodiment, however, does not use to limit the utility model, any skilled person in the art in the range of the utility model technical scheme can utilize the technical content of the above prompt to make some changes or modification for the equivalent embodiment of equivalent change, but as long as not departing from the utility model technical scheme, according to the technical essence of the utility model, any simple modification, equivalent change and modification of the above embodiment, all still belong to the range of the utility model scheme.

Claims

1. A double-sided graphic projection sheet with glass as the substrate, comprising a projection sheet body (1), characterized in that, A projection sheet substrate (14) is provided in the middle of the projection sheet body (1). The projection sheet substrate (14) is made of glass. The upper and lower surfaces of the projection sheet substrate (14) are respectively provided with a first coating layer (15) and a second coating layer (16). The corresponding surface of the first coating layer (15) is the positive focal length surface of the projection sheet body (1), and a non-grayscale pattern is made on the positive focal length surface. The corresponding surface of the second coating layer (16) is the defocused state surface, and a grayscale pattern is made on the defocused state surface.

2. A projection stand for observing a double-sided graphic slide with a glass substrate as described in claim 1, characterized in that, The projection stand includes a support base (10), and a stabilizing extension rod (11) is fixedly installed at both ends of the support base (10). The lengths of the stabilizing extension rod (11) on both sides of the support base (10) are inconsistent, with one end being longer and the other end being shorter. A telescopic adjustment rod (12) is provided at the short end of the stabilizing extension rod (11). A moving wheel (13) is installed at the lower end of the telescopic adjustment rod (12) and the lower end of the long end of the stabilizing extension rod (11). A main support rod (8) is provided above the stabilizing extension rod (11) at a position corresponding to the support base (10). A lifting adjustment rod (7) is installed above the main support rod (8). A fixed bracket (5) is provided at the upper end of the lifting adjustment rod (7). A viewing light box (2) is provided on the fixed bracket (5).

3. The projection stand according to claim 2, characterized in that, The viewing light box (2) is equipped with a light strip and a light bead. A light-transmitting cover (4) is provided at the position of the light strip and the light bead in the viewing light box (2). Iron material is provided in the area outside the light-transmitting cover (4) on the viewing light box (2). A magnetic buckle (3) is provided on the outside of the iron material.

4. The projection stand according to claim 3, characterized in that, The fixing bracket (5) has a U-shaped structure, and fixing screws (6) are provided on the outside of the fixing bracket (5).

5. The projection stand according to claim 4, characterized in that, The main support rod (8) is a hollow structure. The lower end of the lifting adjustment rod (7) is inserted into the hollow of the main support rod (8). The lifting adjustment screw (9) is installed on the outside of the main support rod (8).

6. The projection stand according to claim 5, characterized in that, The stabilizing extension rod (11) is a hollow structure, and the end of the stabilizing extension rod (11) that cooperates with the telescopic adjustment rod (12) is a hollow open end.

7. The projection stand according to claim 6, characterized in that, The long end of the stabilizing extension rod (11) is on the back side of the viewing light box (2).