CN113763824A - Concatenation screen and wisdom blackboard - Google Patents
Concatenation screen and wisdom blackboard Download PDFInfo
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- CN113763824A CN113763824A CN202111039936.1A CN202111039936A CN113763824A CN 113763824 A CN113763824 A CN 113763824A CN 202111039936 A CN202111039936 A CN 202111039936A CN 113763824 A CN113763824 A CN 113763824A
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- 238000004659 sterilization and disinfection Methods 0.000 abstract description 21
- 230000006378 damage Effects 0.000 abstract description 7
- 238000005507 spraying Methods 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 230000000249 desinfective effect Effects 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 235000009537 plain noodles Nutrition 0.000 abstract description 3
- 235000019633 pungent taste Nutrition 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
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- 239000000645 desinfectant Substances 0.000 description 3
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Images
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
- G09F9/3023—Segmented electronic displays
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/24—Apparatus using programmed or automatic operation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/26—Accessories or devices or components used for biocidal treatment
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/11—Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/10—Apparatus features
- A61L2202/14—Means for controlling sterilisation processes, data processing, presentation and storage means, e.g. sensors, controllers, programs
Landscapes
- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
Abstract
The embodiment of the application provides a concatenation screen and wisdom blackboard. The spliced screen comprises an ultraviolet light source, a plurality of display panels and a frame body surrounding the display panels; the frame bodies of two adjacent display panels are transparent at the positions corresponding to the splicing seams; the ultraviolet light source is arranged in the direction parallel to the light emergent surface of the display panel and is positioned between two adjacent display panels. This scheme is through setting up the ultraviolet light source between two adjacent display panel in the concatenation screen to set up the ultraviolet light source in the direction parallel with display panel's play plain noodles, can utilize the ultraviolet light that the ultraviolet light source sent to shine a plurality of display panel and around, realize the disinfection to the concatenation screen. Because the ultraviolet light does not have the pungent taste and corrosivity of the disinfection solution, and the disinfection of the spliced screen can be conveniently realized only by powering off and powering on the ultraviolet light source, the problems that the workload of regularly cleaning, disinfecting and killing the spliced screen by manually spraying the disinfection solution is large and the personal injury is easily caused can be solved.
Description
Technical Field
The application relates to the technical field of display, especially relates to a concatenation screen and wisdom blackboard.
Background
At present, spliced screens with large display areas, especially spliced screens in public places, which adopt splicing technology are generally cleaned and killed frequently by manually spraying disinfectant.
However, the spliced screen is cleaned and killed manually, so that the workload is high, and the disinfectant has strong pungent smell and corrosivity and can damage the bodies of workers.
Disclosure of Invention
An object of the embodiment of this application is to provide a concatenation screen and wisdom blackboard to solve and carry out the problem that the work load is big, easily cause the personal damage of regular clean killing by the manual work to the concatenation screen of antiseptic solution that sprays at present. The specific technical scheme is as follows:
in a first aspect, an embodiment of the present application provides a tiled screen, including:
a plurality of display panels and a frame surrounding the display panels; the frame bodies of two adjacent display panels are transparent at the positions corresponding to the splicing seams;
and the ultraviolet light source is arranged in the direction parallel to the light emergent surface of the display panel and is positioned between the two adjacent display panels.
The scheme that this application embodiment provided through set up the ultraviolet light source in the concatenation screen between two adjacent display panel to set up the ultraviolet light source on the parallel direction of the play plain noodles with display panel, can utilize the ultraviolet light that the ultraviolet light source sent to shine a plurality of display panel and around, realize the disinfection to the concatenation screen. Because the ultraviolet light does not have strong pungent smell and corrosivity of the disinfection solution, and the disinfection of the spliced screen can be conveniently realized only by powering off and powering on the ultraviolet light source, the problems that the workload of regularly cleaning, disinfecting and killing the spliced screen by manually spraying the disinfection solution is large and the personal injury is easily caused can be solved.
In some embodiments of the present application, a surface of the frame body corresponding to the ultraviolet light source is provided with a first reflective sheet.
In some embodiments of the present application, a groove is formed in the frame body between two adjacent display panels;
the ultraviolet light source comprises a first ultraviolet light source, and the first ultraviolet light source is arranged in the groove.
In some embodiments of the present application, the light emitting direction of the first uv light source is toward the surface of the display panel.
In some embodiments of the present application, the display device further includes a backlight module disposed at a light incident side of the display panel; the backlight modules are in one-to-one correspondence with the display panels;
the ultraviolet light source comprises a second ultraviolet light source, and the second ultraviolet light source is arranged between two adjacent backlight modules.
In some embodiments of the present application, the frame body has a U-shaped cross section; the frame body comprises two opposite short arms;
and a reflective layer is arranged on the end face of the short arm far away from the backlight module in the two short arms.
In some embodiments of the present application, the frame further comprises a connecting portion connecting the two short arms;
and a chamfer is arranged at the joint of the connecting part and the short arm far away from the backlight module, and a second reflector plate is arranged on the chamfer.
In some embodiments of the present application, the frame further includes a protrusion facing the backlight module;
and a third reflector plate is arranged between the protruding part and the backlight module.
In some embodiments of the present application, the frame further comprises a support foam;
the supporting foam is arranged on the short arm close to the backlight module in the two short arms.
In some embodiments of the present application, further comprising an infrared sensor;
the infrared inductor is arranged on the frame body of the display panel;
the infrared sensor is connected with the ultraviolet light source, and the infrared sensor is configured to turn on the ultraviolet light source when a target object is not detected within a preset distance.
In a second aspect, an embodiment of the present application further provides an intelligent blackboard, which includes the first aspect of the present application.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other embodiments can be obtained by using the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a spliced screen provided in an embodiment of the present application;
FIG. 2 is an enlarged schematic view of a portion I of the tiled display of FIG. 1;
FIG. 3 is a schematic structural diagram of another spliced screen provided in an embodiment of the present application;
fig. 4 is a schematic structural diagram of an intelligent blackboard provided in the embodiment of the present application.
The reference numerals in the drawings are explained as follows:
1-a display panel; 11-a first reflector, 12-a frame, 121-a groove, 122-a short arm, 1221-a second reflector, 123-a connecting part, 124-a protruding part, 1241-a third reflector and 13-a supporting foam;
2-a backlight module;
31-a first uv light source, 32-a second uv light source;
4-infrared inductor;
5-transparent blackboard glass.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the description herein are intended to be within the scope of the present disclosure.
The problems that the workload of regularly cleaning and killing a spliced screen is large and personal damage is easily caused by manually spraying disinfectant at present are solved. The utility model provides a concatenation screen and wisdom blackboard. The following first describes a spliced screen provided by the present application in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, a first aspect of the embodiments of the present application provides a tiled screen, including an ultraviolet light source, a plurality of display panels 1, and a frame 12 surrounding the display panels 1; the parts of the frame bodies 12 of two adjacent display panels 1 corresponding to the splicing seams are transparent; the ultraviolet light source is arranged in a direction parallel to the light emitting surface of the display panel 1 and between two adjacent display panels 1.
It can be understood that, in the tiled display screen provided in the embodiment of the present application, a seam exists between adjacent display panels 1. In the embodiment of the present application, the frame 12 surrounds the display panel 1, and the frame 12 may be made of a highly transparent PC (Polycarbonate) plastic. The surface of the frame 12 may be configured to include reflective dots to enhance reflection of the uv light emitted from the uv light source.
The display panel 1 may include a liquid crystal display panel, an OLED display panel, a QLED display panel, a micro LED display panel (including a micro LED, a MiniLED display panel), a QD-OLED display panel, and the like. Wherein the liquid crystal display panel may comprise a light energy blackboard panel. The ultraviolet light source may be fixed between two adjacent display panels 1 by various means such as adhesion, embedding, welding, and the like.
The scheme that this application embodiment provided through set up the ultraviolet light source in the concatenation screen between two adjacent display panel 1 to set up the ultraviolet light source on the parallel direction of the play plain noodles with display panel 1, can utilize the ultraviolet light that the ultraviolet light source sent to shine a plurality of display panel 1 and all around, realize the disinfection to the concatenation screen. Because the ultraviolet light does not have strong pungent smell and corrosivity of the disinfection solution, and the disinfection of the spliced screen can be conveniently realized only by powering off and powering on the ultraviolet light source, the problems that the workload of regularly cleaning, disinfecting and killing the spliced screen by manually spraying the disinfection solution is large and the personal injury is easily caused can be solved.
In some embodiments of the present application, as shown in fig. 1 to 4, a first reflective sheet 11 is disposed on a surface of the frame 12 corresponding to the ultraviolet light source.
This application embodiment is through setting up first reflector plate 11, can make a plurality of display panel 1 of shining again after 11 reflections of first reflector plate of ultraviolet ray light source and its all around, further improve the disinfection effect to the concatenation screen.
In some embodiments of the present application, as shown in fig. 1 and fig. 2, a groove 121 is formed in the frame 12 between two adjacent display panels 1; the uv light source comprises a first uv light source 31, the first uv light source 31 being arranged within the recess 121.
The shape of the groove 121 may be circular, rectangular or other irregular shapes. In practical applications, the shape of the groove 121 may be determined according to the profile shape of the ultraviolet light source.
In this embodiment, through setting up first ultraviolet light source 31 in recess 121 on framework 12, not only can firmly fix first ultraviolet light source 31 on the concatenation screen to can avoid first ultraviolet light source 31's occupation space.
In some embodiments of the present application, as shown in fig. 1 to 4, the tiled display screen may further include a backlight module 2, where the backlight module 2 is disposed on the light incident side of the display panel 1; the backlight modules 2 are multiple, and the multiple backlight modules 2 correspond to the multiple display panels 1 one by one; the ultraviolet light source includes a second ultraviolet light source 32, and the second ultraviolet light source 32 is disposed between two adjacent backlight modules 2 and connected to at least one of the two backlight modules 2.
In the embodiment of the present application, when the plurality of backlight modules 2 correspond to the plurality of display panels 1 one to one, the second ultraviolet light source 32 may also be disposed in the gap between two adjacent backlight modules 2 and connected to the backlight modules 2. In this way, the sterilization is performed by the ultraviolet light emitted by the first ultraviolet light source 31 and the first ultraviolet light source 31, and the sterilization effect can be further improved.
In consideration of the problems of high process requirements, high cost and the like of the large-sized backlight module, in some other embodiments of the present application, the tiled screen may include at least 2 backlight modules 2. At least 2 backlight modules 2 are used, so that the process requirement is low and the cost is low.
In the scheme that this application embodiment provided, when the ultraviolet light source is only 1, the ultraviolet light source can set up between two adjacent display panel 1, or also can set up on backlight unit 2. When there are a plurality of uv light sources, for example, the uv light sources include a first uv light source 31 and a second uv light source 32, and one uv light source may be respectively disposed between two adjacent display panels 1 and on the backlight module 2.
In some embodiments of the present application, as shown in fig. 1 and 2, frame 12 is U-shaped in cross-section; frame 12 includes two opposing short arms 122; the end face of the short arm 122 far away from the backlight module 2 is provided with a reflective layer.
In the embodiment of the present application, the display panel 1 can be stably held by the frame 12 having a U-shaped cross section, that is, the two short arms 122 opposite to the frame. Moreover, the reflective layers are arranged on the end surfaces of the two short arms 122 of the frame 12, so that diffuse reflection on the end surfaces of the short arms 122 can be improved, and ultraviolet light can be favorably transmitted inside the frame 12, thereby further improving the utilization rate of the ultraviolet light and improving the disinfection effect. Wherein, the reflecting layer can be white adhesive tape or white paint, etc. In practical applications, a white adhesive tape may be attached to the end surface of the short arm 122 far from the backlight module 2, or a white paint may be sprayed on the end surface of the short arm 122 far from the backlight module 2.
In some embodiments of the present application, as shown in fig. 3, the frame 12 further includes a connecting portion 123 connecting the two short arms 122; the connection part 123 and the short arm 122 far away from the backlight module 2 are provided with a chamfer, and the chamfer is provided with a second reflector 1221.
In this application embodiment, set up second reflector plate 1221 in framework 12 connecting portion 123 chamfer department, can further reflect the partial ultraviolet light that second ultraviolet light source 32 sent to display panel 1's surface to improve the utilization efficiency of ultraviolet light, improve the disinfection effect to the concatenation screen.
In some embodiments of the present application, as shown in fig. 1 and 2, the frame body 12 further includes a protrusion 124 facing the backlight module 2; a third reflective sheet 1241 is disposed between the protrusion 124 and the backlight module 2.
This application embodiment sets up third reflector plate 1241 with between protruding portion 124 and backlight unit 2, can make the ultraviolet light that ultraviolet light source sent shine backlight unit 2, a plurality of display panel 1 and around it again after the reflector plate reflection, further improves the disinfection effect to the concatenation screen.
In some embodiments of the present application, frame 12 further comprises support foam 13; the support foam 13 is disposed on the short arm 122 of the two short arms 122 close to the backlight module 2.
The support bubble 13 that provides in this application embodiment can play the effect of buffering vibration when the concatenation screen receives external impact such as striking.
In some embodiments of the present application, an infrared sensor 4 is also included; the infrared sensor 4 is provided on the frame 12 of the display panel 1. The infrared sensor 4 is connected to the ultraviolet light source, and the infrared sensor 4 is configured to turn on the ultraviolet light source when the target object is not detected within a preset distance.
In order to avoid the damage of ultraviolet light to human body, the infrared sensor 4 is arranged on the frame 12 of the display panel 1, so that the automatic control of sterilization operation can be realized. Specifically, when the infrared sensor 4 cannot detect the target object within the preset distance, the ultraviolet light source is automatically started for disinfection; when the infrared sensor 4 detects the target object within the preset distance, the ultraviolet light source is automatically turned off, and the disinfection is stopped. The preset distance can be flexibly set according to the illumination intensity and the range of the ultraviolet light generated by the ultraviolet light source and by combining the actual working condition of the field. Taking the preset distance of 5 meters as an example, when the human body is 5 meters away from the spliced screen, the human body cannot be damaged by ultraviolet light, and at the moment, the ultraviolet light source is automatically started to normally disinfect the spliced screen; otherwise, the ultraviolet light source is automatically turned off.
In some embodiments of the present application, the ultraviolet light source is an ultraviolet light supplement band or an ultraviolet light cold cathode fluorescent lamp; wherein, ultraviolet ray mend light area includes a plurality of ultraviolet ray lamp pearls.
In the embodiment of the present application, the ultraviolet light source may adopt an ultraviolet light supplement band or an ultraviolet light Cold Cathode Fluorescent Lamp (CCFL). In addition, the light guide film can be attached to the ultraviolet light source so as to improve the uniformity of ultraviolet light emitted by the ultraviolet light source.
In addition, this application embodiment second aspect still provides an intelligence blackboard, and this intelligence blackboard includes arbitrary concatenation screen of above-mentioned.
The scheme that this application embodiment provided not only can be applied to outdoor concatenation screen, like by a wide margin advertisement screen, can also be applied to indoor concatenation screen, like the wisdom blackboard that is used for indoor teaching, meeting etc. The intelligent blackboard adopts a capacitive touch technology to combine a traditional handwriting blackboard with a multimedia splicing screen, and is easily switched between chalk blackboard writing and multimedia application, and the same area can be used for normally writing with chalk like a common blackboard and can also be used for watching various rich multimedia applications such as videos, pictures, animations and the like by hand touch like a tablet personal computer.
As shown in fig. 4, the intelligent blackboard provided in the embodiment of the present application may include the above-mentioned spliced screen. And, still be provided with transparent blackboard glass 5 on the concatenation screen. Wherein, when the ultraviolet light source is used for sterilizing the display panel 1, the transparent blackboard glass 5 can also be sterilized. In addition, because the wisdom blackboard that this application embodiment provided has the concatenation screen of above-mentioned first aspect, consequently have all beneficial effects that the concatenation screen of above-mentioned first aspect has.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only for the preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application are included in the protection scope of the present application.
Claims (11)
1. A tiled screen, comprising:
a plurality of display panels (1) and a frame (12) surrounding the display panels (1); the parts of the frame bodies (12) of two adjacent display panels (1) corresponding to the splicing seams are transparent;
the ultraviolet light source is arranged in the direction parallel to the light emitting surface of the display panel (1) and is positioned between the two adjacent display panels (1).
2. Spliced screen according to claim 1, characterized in that the frame (12) is provided with a first reflector sheet (11) on the surface corresponding to the uv light source.
3. The spliced screen of claim 1, wherein a groove (121) is formed in the frame body (12) between two adjacent display panels (1);
the ultraviolet light source comprises a first ultraviolet light source (31), and the first ultraviolet light source (31) is arranged in the groove (121).
4. A tiled screen according to claim 3, wherein the light exit direction of the first uv light source (31) is towards the surface of the display panel (1).
5. The spliced screen of any one of claims 1 to 3, further comprising a backlight module (2), wherein the backlight module (2) is arranged at the light incident side of the display panel (1); the number of the backlight modules (2) is multiple, and the plurality of the backlight modules (2) correspond to the plurality of the display panels (1) one by one;
the ultraviolet light source comprises a second ultraviolet light source (32), and the second ultraviolet light source (32) is arranged between two adjacent backlight modules (2).
6. The tiled screen of claim 5 wherein the frame (12) is U-shaped in cross-section; the frame (12) comprises two opposite short arms (122);
and a light reflecting layer is arranged on the end face of the short arm (122) far away from the backlight module (2) in the two short arms (122).
7. Spliced screen according to claim 6, characterized in that the frame (12) further comprises a connecting part (123) connecting the two short arms (122);
the connecting part (123) is provided with a chamfer at the joint of the short arm (122) far away from the backlight module (2), and the chamfer is provided with a second reflector plate (1221).
8. The tiled screen according to claim 6, wherein the frame (12) further comprises a protrusion (124) facing the backlight module (2);
a third reflector (1241) is arranged between the protruding part (124) and the backlight module (2).
9. Spliced screen according to claim 6, characterized in that the frame (12) further comprises a supporting foam (13);
the supporting foam (13) is arranged on the short arm (122) close to the backlight module (2) in the two short arms (122).
10. The tiled screen according to claim 1, further comprising an infrared sensor (4);
the infrared sensor (4) is arranged on a frame body (12) of the display panel (1);
the infrared sensor (4) is connected with the ultraviolet light source, and the infrared sensor (4) is configured to turn on the ultraviolet light source when a target object is not detected within a preset distance.
11. An intelligent blackboard comprising a spliced screen as claimed in any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111039936.1A CN113763824B (en) | 2021-09-06 | 2021-09-06 | Spliced screen and intelligent blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111039936.1A CN113763824B (en) | 2021-09-06 | 2021-09-06 | Spliced screen and intelligent blackboard |
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| CN113763824A true CN113763824A (en) | 2021-12-07 |
| CN113763824B CN113763824B (en) | 2023-09-26 |
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| CN202111039936.1A Active CN113763824B (en) | 2021-09-06 | 2021-09-06 | Spliced screen and intelligent blackboard |
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