CN113763824B - Spliced screen and intelligent blackboard - Google Patents
Spliced screen and intelligent blackboard Download PDFInfo
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- CN113763824B CN113763824B CN202111039936.1A CN202111039936A CN113763824B CN 113763824 B CN113763824 B CN 113763824B CN 202111039936 A CN202111039936 A CN 202111039936A CN 113763824 B CN113763824 B CN 113763824B
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- spliced screen
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- 239000006260 foam Substances 0.000 claims description 8
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 12
- 239000000645 desinfectant Substances 0.000 abstract description 10
- 238000004140 cleaning Methods 0.000 abstract description 6
- 238000005507 spraying Methods 0.000 abstract description 6
- 230000000249 desinfective effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 239000011521 glass Substances 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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)
- Epidemiology (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Educational Technology (AREA)
- Educational Administration (AREA)
- Business, Economics & Management (AREA)
- Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
Abstract
The embodiment of the application provides a spliced screen and an intelligent blackboard. The spliced screen comprises an ultraviolet light source, a plurality of display panels and a frame body surrounding the display panels; the parts of the frame bodies of the two adjacent display panels corresponding to the joint seams are transparent; the ultraviolet light source is arranged in a direction parallel to the light emitting surface of the display panel and is positioned between two adjacent display panels. According to the scheme, the ultraviolet light sources are arranged between two adjacent display panels in the spliced screen and are arranged in the direction parallel to the light emergent surface of the display panels, and ultraviolet light emitted by the ultraviolet light sources can be utilized to irradiate a plurality of display panels and the periphery of the display panels, so that the spliced screen can be disinfected. Because ultraviolet light does not have the pungent smell and corrosiveness of disinfectant, and can conveniently realize the disinfection of the spliced screen only by stopping and transmitting power to an ultraviolet light source, the problems that the conventional manual spraying of disinfectant has large cleaning and disinfecting workload and is easy to cause personal damage can be solved.
Description
Technical Field
The application relates to the technical field of display, in particular to a spliced screen and an intelligent blackboard.
Background
At present, for spliced screens with large display areas by adopting a splicing technology, particularly for spliced screens in public places, frequent cleaning and disinfection are generally carried out by manually spraying disinfectant.
However, the manual cleaning and disinfecting mode for the spliced screen is adopted, so that the workload is high, and the disinfectant has strong pungent smell and corrosiveness and also can damage the body of a worker.
Disclosure of Invention
The embodiment of the application aims to provide a spliced screen and an intelligent blackboard, which are used for solving the problems that the conventional method for manually spraying disinfectant to clean and kill the spliced screen is large in workload and easy to cause personal damage. The specific technical scheme is as follows:
in a first aspect, an embodiment of the present application provides a spliced screen, including:
a plurality of display panels and a frame surrounding the display panels; the parts of the frame bodies of the two adjacent display panels, which correspond to the joint seams, are transparent;
and the ultraviolet light source is arranged in a direction parallel to the light emitting surface of the display panel and is positioned between two adjacent display panels.
According to the scheme provided by the embodiment of the application, the ultraviolet light sources are arranged between two adjacent display panels in the spliced screen and are arranged in the direction parallel to the light emitting surfaces of the display panels, so that ultraviolet light emitted by the ultraviolet light sources can be used for irradiating the display panels and the periphery of the display panels, and the spliced screen can be disinfected. Because the ultraviolet light does not have strong pungent smell and corrosiveness of the disinfectant, and the disinfection of the spliced screen can be conveniently realized only by stopping and transmitting power to an ultraviolet light source, the problems that the conventional manual spraying of the disinfectant is large in cleaning and disinfecting workload and easy to cause personal damage can be solved.
In some embodiments of the present application, a first reflecting sheet is disposed on a surface of the frame corresponding to the ultraviolet light source.
In some embodiments of the present application, a groove is formed at a frame between two adjacent display panels;
the ultraviolet light source comprises a first ultraviolet light source which is arranged in the groove.
In some embodiments of the present application, the light emitting direction of the first ultraviolet light source faces the surface of the display panel.
In some embodiments of the present application, the backlight module is further provided on the 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 which is arranged between two adjacent backlight modules.
In some embodiments of the application, the cross section of the frame body is U-shaped; the frame body comprises two opposite short arms;
and the end surfaces, close to the short arms, of the two short arms are provided with a light reflecting layer.
In some embodiments of the application, the frame further comprises a connecting portion connecting the two short arms;
the connecting part is provided with a chamfer with the joint of the short arm far away from the backlight module, and a second reflecting sheet is arranged on the chamfer.
In some embodiments of the application, the frame further includes a protrusion facing the backlight module;
and a third reflecting sheet is arranged between the protruding part and the backlight module.
In some embodiments of the application, the frame further comprises a support foam;
the supporting foam is arranged on the short arm, which is close to the backlight module, of the two short arms.
In some embodiments of the application, an infrared sensor is also included;
the infrared sensor is arranged on the frame body of the display panel;
the infrared sensor is connected with the ultraviolet light source and 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 a smart blackboard, including the spliced screen described in the first aspect.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application and that other embodiments may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a spliced screen according to an embodiment of the present application;
FIG. 2 is an enlarged schematic view of a portion I of the tiled screen of FIG. 1;
FIG. 3 is a schematic view of another spliced screen according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a smart blackboard according to an embodiment of the present application.
The reference numerals in the drawings are as follows:
1-a display panel; 11-first reflecting sheet, 12-frame, 121-groove, 122-short arm, 1221-second reflecting sheet, 123-connecting part, 124-protruding part, 1241-third reflecting sheet, 13-supporting foam;
2-a backlight module;
31-a first ultraviolet light source, 32-a second ultraviolet light source;
4-an infrared sensor;
5-transparent blackboard glass.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. Based on the embodiments of the present application, all other embodiments obtained by the person skilled in the art based on the present application are included in the scope of protection of the present application.
In order to solve the problems that the conventional manual spraying of disinfectant is large in cleaning and disinfecting workload and easy to cause personal damage to the spliced screen. The embodiment of the application provides a spliced screen and an intelligent 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 embodiment of the present application provides a spliced screen, which includes 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 the two adjacent display panels 1 corresponding to the joint seams are transparent; the ultraviolet light source is disposed in a direction parallel to the light exit surface of the display panel 1 and is located between two adjacent display panels 1.
It can be understood that in the spliced screen provided by the embodiment of the application, a splice 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 provided with reflective dots to enhance the reflection of the ultraviolet light emitted by the ultraviolet 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 MicroLED, miniLED display panel), a QD-OLED display panel, and the like. Wherein the liquid crystal display panel may include a light energy blackboard panel. The uv light source may be fixed between the adjacent two display panels 1 by various means of adhesion, embedding, welding, etc.
According to the scheme provided by the embodiment of the application, the ultraviolet light sources are arranged between two adjacent display panels 1 in the spliced screen and are arranged in the direction parallel to the light emitting surfaces of the display panels 1, so that ultraviolet light emitted by the ultraviolet light sources can be utilized to irradiate the display panels 1 and the periphery of the display panels, and the spliced screen can be disinfected. Because the ultraviolet light does not have strong pungent smell and corrosiveness of the disinfectant, and the disinfection of the spliced screen can be conveniently realized only by stopping and transmitting power to an ultraviolet light source, the problems that the conventional manual spraying of the disinfectant is large in cleaning and disinfecting workload and easy to cause personal damage can be solved.
In some embodiments of the present application, as shown in fig. 1 to 4, a surface of the frame 12 corresponding to the uv light source is provided with a first reflective sheet 11.
According to the embodiment of the application, the first reflecting sheet 11 is arranged, so that the ultraviolet light emitted by the ultraviolet light source is reflected by the first reflecting sheet 11 and then irradiates the display panels 1 and the periphery thereof, and the disinfection effect on the spliced screen is further improved.
In some embodiments of the present application, as shown in fig. 1 and 2, a groove 121 is formed at the frame 12 between two adjacent display panels 1; the ultraviolet light source includes a first ultraviolet light source 31, the first ultraviolet light source 31 being disposed within the recess 121.
The shape of the groove 121 may be circular, rectangular or other irregular shape. In practical applications, the shape of the recess 121 may be determined according to the contour shape of the ultraviolet light source.
In the embodiment of the application, by arranging the first ultraviolet light source 31 in the groove 121 on the frame 12, not only the first ultraviolet light source 31 can be firmly fixed on the spliced screen, but also the occupied space of the first ultraviolet light source 31 can be avoided.
In some embodiments of the present application, as shown in fig. 1 to 4, the spliced 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 a plurality of, and the backlight modules 2 are in one-to-one correspondence with the display panels 1; 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 and is connected with at least one of the two backlight modules 2.
In the embodiment of the present application, when the backlight modules 2 are in one-to-one correspondence with the display panels 1, the second uv light source 32 may be disposed in a space between two adjacent backlight modules 2 and connected to the backlight modules 2. Thus, the sterilization effect can be further improved by sterilizing the first ultraviolet light source 31 and the ultraviolet light emitted by the first ultraviolet light source 31 together.
Considering 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 spliced screen may include at least 2 backlight modules 2. At least 2 backlight modules 2 are used, so that the process requirement is lower and the cost is lower.
In the solution provided in the embodiment of the present application, when the number of uv light sources is only 1, the uv light sources may be disposed between two adjacent display panels 1, or may also be disposed on the backlight module 2. When the plurality of uv light sources are provided, for example, the uv light sources include a first uv light source 31 and a second uv light source 32, one uv light source may be disposed between two adjacent display panels 1 and on the backlight module 2, respectively.
In some embodiments of the present application, as shown in fig. 1 and 2, the cross section of the frame 12 is U-shaped; the frame 12 includes two opposing short arms 122; the end face of the short arm 122, which is close to the backlight module 2, of the two short arms 122 is provided with a reflective layer.
In the embodiment of the application, the display panel 1 can be stably clamped by the frame 12 with the U-shaped cross section, namely, the two short arms 122 opposite to each other. And, set up the reflector layer on the terminal surface of two short arms 122 of framework 12, can improve the diffuse reflection on the short arm 122 terminal surface, be favorable to ultraviolet light to propagate in the framework 12 to further improve the utilization ratio of ultraviolet light, improve the effect of disinfection. Wherein, the reflecting layer can be white adhesive tape or white paint, etc. In practical applications, the white adhesive tape may be attached to the end face of the short arm 122 of the two short arms 122, which is close to the backlight module 2, or the end face of the short arm 122 of the two short arms 122, which is close to the backlight module 2, is sprayed with white paint.
In some embodiments of the present application, as shown in fig. 3, the frame 12 further includes a connection 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 chamfers, and the chamfers are provided with second reflecting sheets 1221.
In the embodiment of the application, the second reflecting sheet 1221 is arranged at the chamfer of the connecting part 123 of the frame 12, so that part of ultraviolet light emitted by the second ultraviolet light source 32 can be further reflected to the surface of the display panel 1, thereby improving the utilization efficiency of the ultraviolet light and the disinfection effect on the spliced screen.
In some embodiments of the present application, as shown in fig. 1 and 2, the frame 12 further includes a protrusion 124 facing the backlight module 2; a third reflective sheet 1241 is disposed between the protruding portion 124 and the backlight module 2.
The third reflective sheet 1241 is disposed between the protruding portion 124 and the backlight module 2, so that the ultraviolet light emitted by the ultraviolet light source is reflected by the reflective sheet and irradiates the backlight module 2, the display panels 1 and the periphery thereof, thereby further improving the disinfection effect on the spliced screen.
In some embodiments of the application, the frame 12 further comprises a support foam 13; the supporting foam 13 is disposed on a short arm 122 close to the backlight module 2 among the two short arms 122.
The supporting foam 13 provided by the embodiment of the application can play a role in buffering vibration when the spliced screen is impacted by external impact such as impact.
In some embodiments of the 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 an 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 embodiment of the application can realize the automatic control of the disinfection operation by arranging the infrared sensor 4 on the frame 12 of the display panel 1. Specifically, when the infrared sensor 4 cannot detect the target object within a 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 disinfection is stopped. The preset distance can be flexibly set according to the illumination intensity and the range of ultraviolet light generated by the ultraviolet light source and by combining with the actual working condition of the site. Taking the preset distance of 5 meters as an example, when the human body is 5 meters away from the spliced screen, the spliced screen is not damaged by ultraviolet light, and at the moment, an ultraviolet light source is automatically started to disinfect the spliced screen normally; otherwise, the ultraviolet light source is automatically turned off.
In some embodiments of the application, the ultraviolet light source adopts an ultraviolet light supplementing strip or an ultraviolet cold cathode fluorescent lamp; wherein, the ultraviolet light supplementing band comprises a plurality of ultraviolet light lamp beads.
In the embodiment of the application, the ultraviolet light source can adopt an ultraviolet light supplementing band or an ultraviolet light cold cathode fluorescent lamp (CCFL, cold Cathode Fluorescent Lamp). In addition, a 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, the second aspect of the embodiment of the application also provides a smart blackboard, which comprises any spliced screen.
The scheme provided by the embodiment of the application can be applied to outdoor spliced screens, such as a large-scale advertisement screen, and indoor spliced screens, such as intelligent blackboard used for indoor teaching and meeting, and the like. The intelligent blackboard combines the traditional handwriting blackboard with the multimedia spliced screen by adopting a capacitive touch technology, and is easy to switch between chalk writing and multimedia application, the same area can be used for normally writing with chalk as a common blackboard, and various rich multimedia applications such as video, pictures, animation and the like can be watched by hand touch as a tablet computer.
As shown in fig. 4, the smart blackboard provided by the embodiment of the application may include the above-mentioned spliced screen. And a transparent blackboard glass 5 is also arranged on the spliced screen. Wherein, when the ultraviolet light source disinfects the display panel 1, the transparent blackboard glass 5 can also be disinfected. In addition, since the smart blackboard provided by the embodiment of the application has the spliced screen of the first aspect, the smart blackboard has all the beneficial effects of the spliced screen of the first aspect.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
In this specification, each embodiment is described in a related manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.
The foregoing is merely illustrative of the preferred embodiments of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application are included in the protection scope of the present application.
Claims (10)
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 the two adjacent display panels (1) corresponding to the joint seams are transparent;
an ultraviolet light source which is arranged in a direction parallel to the light-emitting surface of the display panel (1) and is positioned between two adjacent display panels (1);
the frame body (12) is provided with a first reflecting sheet (11) corresponding to the upper surface of the ultraviolet light source, so that ultraviolet light emitted by the ultraviolet light source is reflected by the first reflecting sheet (11) and then irradiates a plurality of display panels (1).
2. The spliced screen according to claim 1, wherein a groove (121) is formed at a 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).
3. Spliced screen according to claim 2, characterized in that the light exit direction of the first uv light source (31) is directed towards the surface of the display panel (1).
4. The tiled screen according to any of claims 1 to 2, further comprising a backlight module (2), the backlight module (2) being arranged at the light entry side of the display panel (1); the backlight modules (2) are multiple, and the backlight modules (2) are in one-to-one correspondence with the display panels (1);
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).
5. The spliced screen of claim 4, wherein the cross section of the frame (12) is U-shaped; the frame (12) comprises two opposite short arms (122);
and the end surfaces, close to the short arms (122) of the backlight module (2), of the two short arms (122) are provided with a light reflecting layer.
6. The tiled screen according to claim 5, wherein the frame (12) further comprises a connection (123) connecting two of the short arms (122);
the connecting part (123) is provided with a chamfer at the connecting part of the short arm (122) far away from the backlight module (2), and a second reflecting sheet (1221) is arranged on the chamfer.
7. The tiled screen according to claim 5, wherein the frame (12) further comprises a protrusion (124) towards the backlight module (2);
a third reflecting sheet (1241) is arranged between the protruding part (124) and the backlight module (2).
8. A spliced screen according to claim 5, wherein the frame (12) further comprises a supporting foam (13);
the supporting foam (13) is arranged on a short arm (122) close to the backlight module (2) in the two short arms (122).
9. A 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 to the ultraviolet light source, the infrared sensor (4) being configured to turn on the ultraviolet light source when the target object is not detected within a preset distance.
10. A smart blackboard comprising a tiled screen according to any of claims 1 to 9.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113763824A CN113763824A (en) | 2021-12-07 |
| CN113763824B true CN113763824B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111039936.1A Active CN113763824B (en) | 2021-09-06 | 2021-09-06 | Spliced screen and intelligent blackboard |
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| CN (1) | CN113763824B (en) |
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