CN110136575B - Display device - Google Patents
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- CN110136575B CN110136575B CN201910412560.0A CN201910412560A CN110136575B CN 110136575 B CN110136575 B CN 110136575B CN 201910412560 A CN201910412560 A CN 201910412560A CN 110136575 B CN110136575 B CN 110136575B
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- Prior art keywords
- display screen
- display
- display device
- ultraviolet light
- light source
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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—Ultra-violet 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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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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
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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
Abstract
The embodiment of the invention provides a display device, relates to the technical field of display, and can be used for disinfecting a display surface of the display device more simply and conveniently. The display device includes: a housing; an ultraviolet light source disposed on the housing; a display screen disposed on the housing; in a disinfection state, the display screen is located at a first position, and the light emergent end of the ultraviolet light source faces the display surface of the display screen; in a non-disinfection state, the display screen is located at the second position, and the light emergent end of the ultraviolet light source faces the outside of the display surface of the display screen.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display device.
Background
Display devices are increasingly used in various public places, such as self-service registration machines in hospitals, self-service ticket dispensers in subway stations, roadside automatic teller machines, and the like, and many of these display devices employ touch technology, and in these public places, particularly touch display devices, regular disinfection is required to reduce health risks of users. At present, a display surface of a display device needs to be cleaned and disinfected by manually carrying a disinfection tool, which is troublesome and labor-consuming, causes labor burden, and generally can be disinfected only in the daytime, occupies the working time of the display device, and reduces the working efficiency of the display device; if the display device is sterilized at night, unattended operation can be caused, and the sterilization tool is easily lost.
Disclosure of Invention
The embodiment of the invention provides a display device, which can be used for disinfecting the display surface of the display device more simply and conveniently.
An embodiment of the present invention provides a display device, including:
a housing;
an ultraviolet light source disposed on the housing;
a display screen disposed on the housing;
in a disinfection state, the display screen is located at a first position, and the light emergent end of the ultraviolet light source faces the display surface of the display screen;
in a non-disinfection state, the display screen is located at the second position, and the light emergent end of the ultraviolet light source faces the outside of the display surface of the display screen.
According to the display device in the embodiment of the invention, in a disinfection state, the light emergent end of the ultraviolet light source faces the display surface of the display screen, so that ultraviolet rays are irradiated to the display surface of the display screen, and the display surface of the display screen is automatically disinfected; under non-disinfection state, the mere exit end of ultraviolet light source is outside the display surface of display screen, and at this moment, the display screen becomes the first position by the second position when non-disinfection, because the position of display screen changes, plays suggestion user's effect, realizes normally showing the function.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a display device according to an embodiment of the invention;
FIG. 2 is a schematic view of a portion of the display device of FIG. 1 shown in a user's perspective;
FIG. 3 is a schematic cross-sectional view of the display device of FIG. 2 in the non-sterile state in the direction AA';
FIG. 4 is a schematic cross-sectional view of the display device of FIG. 2 in the AA' direction in a sterilization state;
FIG. 5 is a schematic view of the first hinge of FIG. 3 in a state engaged with the display screen;
FIG. 6 is a schematic view of the first hinge of FIG. 4 in a state engaged with the display screen;
FIG. 7 is a schematic diagram of a portion of another display device according to an embodiment of the invention;
FIG. 8 is a schematic cross-sectional view of the alternate display device of FIG. 2 in the non-sterile state in the direction AA';
FIG. 9 is a schematic cross-sectional view of the alternate display device of FIG. 2 in the AA' direction in a sterile state;
FIG. 10 is a schematic cross-sectional view of a portion of the structure of the alternative display device of FIG. 2 in the non-sterile state in the direction AA';
FIG. 11 is a schematic cross-sectional view of a portion of the structure of the display device of FIG. 2 in the AA' direction in a sterilized state;
FIG. 12 is a schematic cross-sectional view of the alternate display device of FIG. 2 in the non-sterile state in the direction AA';
FIG. 13 is a schematic cross-sectional view of the alternate display device of FIG. 2 in the AA' direction in a sterile state;
fig. 14 is a schematic view showing a structure of a lower portion of the display device of fig. 13 in a user's view angle in a sterilization state.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, fig. 1 is a schematic perspective view of a display device according to an embodiment of the present invention, fig. 2 is a schematic structural view of a portion of the display device in a user viewing angle in fig. 1, fig. 3 is a schematic sectional structural view of the display device in fig. 2 in a non-sterilization state in a direction of AA ', and fig. 4 is a schematic sectional structural view of the display device in fig. 2 in a sterilization state in a direction of AA', the embodiment of the present invention provides a display device including: a housing 1; an ultraviolet light source 2 provided on the housing 1; a display screen 3 provided on the housing 1; in the disinfection state, the display screen 3 is located at the first position, and the light emitting end of the ultraviolet light source 2 faces the display surface 31 of the display screen 3; in the non-sterile state, the display screen 3 is in the second position, and the light emitting end of the ultraviolet light source 2 faces the outside of the display surface 31 of the display screen 3. For example, in fig. 4, the display panel 3 is located at the first position, in which the light emitting end of the ultraviolet light source 2 faces the second direction h2, i.e. the main extending direction or irradiation direction of the ultraviolet light emitted by the ultraviolet light source 2, the direction of the plane of the display panel 3 has an acute angle with the second direction h2, and the display surface 31 of the display panel 3 is located at the side of the ultraviolet light source 2, so that the light emitting end of the ultraviolet light source 2 faces the display surface 31 of the display panel 3, i.e. the ultraviolet light emitted by the ultraviolet light source 2 can be obliquely irradiated to the display surface 31 of the display panel 3, and in other realizable embodiments, when the display panel 3 is located at the first position, the plane of the display panel 3 can be perpendicular to the direction towards which the light emitting end of the ultraviolet light source 2 faces, and the display surface 31 of the display panel 3 is located at the side of the ultraviolet light source 2, even if the ultraviolet light emitted from the light emitting end of the ultraviolet light source 2 can be vertically irradiated to the display surface 31 of the display screen 3. For example, in fig. 3, the display panel 3 is located at the second position, in which the ultraviolet light source 2 is located at the side of the display panel 3, and the light emitting end of the ultraviolet light source 2 faces to be parallel to the plane of the display panel 3, in other realizable embodiments, the light emitting end of the ultraviolet light source 2 may face to be not parallel to the plane of the display panel 3, for example, the ultraviolet light source 2 is located at the side of the display panel 3, but the light emitting end of the ultraviolet light source 2 faces to be inclined to the back side of the display panel 3, and the back side of the display panel 3 is opposite to the display surface 31, in these structures, when the display panel 3 is located at the second position, even if the ultraviolet light source 2 emits ultraviolet light, the ultraviolet light cannot be irradiated to the display surface 31 of the display panel 3 at the second position, and the ultraviolet light is difficult to be irradiated to the outside of the housing 1, so as to avoid the ultraviolet light being irradiated to the user.
Specifically, the housing 1 of the display device is provided with an opening 10 for exposing the display screen 3 to realize a display function, in a non-sterilization state, as shown in fig. 3, the display surface 31 of the display screen 3 is exposed at a good angle just from the opening 10 of the housing 1, the display surface 31 of the display screen 3 is a surface for displaying images, in fig. 3, the display surface 31 of the display screen 3 refers to an upper surface of the display screen 3, in the non-sterilization state, the light emitting end of the ultraviolet light source 2 faces to the outside of the display surface 31 of the display screen 3, for example, to a side surface of the display screen 3, it can be understood that in other realizable embodiments, the light emitting end of the ultraviolet light source 2 can also face to other positions, for example, when the ultraviolet light source 2 is located at the side surface of the display screen 3, the light emitting end thereof can face to a lower right direction in fig. 3, that is to a side of a back surface of the display screen 3 (a surface of the display screen 3 opposite to the display surface 31), with this configuration, the display screen 3 needs to rotate by a larger angle when changing from the non-sterile second position to the first position, so that the ultraviolet light source 2 irradiates the display surface 31 of the display screen 3, and when the light emitting end of the ultraviolet light source 2 faces the side surface of the display screen 3, the display screen 3 only needs to shift by a smaller angle, so as to switch from the second position to the first position, and the space occupied by the display screen 3 during state switching is smaller, that is, the thickness of the display device in the first direction h1 in fig. 3 can be set smaller. In this structure, in a non-sterilization state, even if the ultraviolet light source 2 is turned on, the ultraviolet light does not irradiate the display surface 31 of the display screen 3, and at this time, the display device is used to realize a normal display function, if the display device is a touch display device, a user can operate the display surface 31 of the display screen 3 with a finger, at this time, since the light emitting end of the ultraviolet light source 2 faces the outside of the display surface 31 of the display screen 3, the irradiation of the finger of the user is avoided, in fig. 3, the light emitting end of the ultraviolet light source 2 is the rightmost end of the ultraviolet light source 2, and the direction of the arrow on the right side of the ultraviolet light source 2 is the emitting direction of the ultraviolet light, it should be noted that the non-sterilization state shown in fig. 3 does not need to sterilize, and therefore, the ultraviolet light source 2 can be controlled not emit light, at this time, even if the ultraviolet light source 2 is not turned off, in the on state, the ultraviolet light emitted by the ultraviolet light source 2 is blocked by the side of the display screen 3 to prevent the ultraviolet light from irradiating the user, the arrow in fig. 3 is only used to indicate that the ultraviolet light generated by the on state of the ultraviolet light source 2 cannot irradiate the display surface of the display screen 3, in fig. 3, the direction perpendicular to the display surface 31 of the display screen 3 is defined as a first direction h1, and in the non-sterilization state, the first direction h1, i.e. the direction in which the display surface 31 of the display screen 3 faces the user, is defined as a second direction h2 perpendicular to the first direction h 1; in the disinfection state, as shown in fig. 4, the position of the display screen 3 is changed from the first position to the second position relative to the non-disinfection state, in the disinfection state, the light emitting end of the ultraviolet light source 2 faces the display surface 31 of the display screen 3, at this time, the ultraviolet light emitted by the ultraviolet light source 2 can irradiate the display surface 31 of the display screen 3, so as to disinfect the display surface 31 of the display screen 3, the wavelength of the ultraviolet light emitted by the ultraviolet light source 2 can be r, r is not less than 200nm and not more than 280nm, and meanwhile, in the disinfection state, the angle of the display screen 3 can be changed, so as to prompt the user that the display device is in the non-normal use state at this time, and prevent the user from being irradiated by the ultraviolet light when using the display device.
According to the display device in the embodiment of the invention, in a disinfection state, the light emergent end of the ultraviolet light source faces the display surface of the display screen, so that ultraviolet rays are irradiated to the display surface of the display screen, and the display surface of the display screen is automatically disinfected; under non-disinfection state, the mere exit end of ultraviolet light source is outside the display surface of display screen, and at this moment, the display screen becomes the first position by the second position when non-disinfection, because the position of display screen changes, plays suggestion user's effect, realizes normally showing the function simultaneously.
Alternatively, the display 3 is rotatably connected to the housing 1, so that the display 3 is rotated between a first position and a second position, when the display 3 is rotated to the first position, corresponding to the structure shown in fig. 4, for implementing the ultraviolet disinfection function, when the display 3 is rotated to the second position, corresponding to the structure shown in fig. 3, for implementing the normal display function, the rotation of the display 3 may be either automatic rotation or passive rotation, and the specific structure and principle of the automatic rotation will be described in detail in the following embodiments, for the passive rotation, it is possible to manually, for example, when ultraviolet disinfection is required, an operator presses the display 3 from the top to the bottom based on the structure shown in fig. 3, so that the display 3 is rotated from the second position in fig. 3 to the first position in fig. 4, after the ultraviolet disinfection is finished, the operator pulls the left end of the display 3 from the bottom to the top based on the structure shown in fig. 4, the display screen 3 is rotated from the first position in fig. 4 to the second position in fig. 3, and is restored to the state of normal display.
Optionally, the display device further comprises a rotation driving mechanism 4 located between the housing 1 and the display screen 3, wherein the rotation driving mechanism 4 is used for driving the display screen 3 to rotate between the first position and the second position. The rotation of the display screen 3 can be automatically realized through the rotation driving mechanism 4, so that the ultraviolet disinfection of the display surface 31 of the display screen 3 can be realized more simply and conveniently.
Alternatively, as shown in fig. 3, 4, 5 and 6, fig. 5 is a schematic view of a state when the first hinge and the display screen in fig. 3 are engaged, fig. 6 is a schematic view of a state when the first hinge and the display screen in fig. 4 are engaged, and the display screen 3 includes the first driving connecting portion 51; the housing 1 is provided with a second drive connection portion 52; the rotary driving mechanism 4 comprises a power part 41 and a linkage part 42, the power part 41 is fixedly connected to the second driving connection part 52, the power part 41 is used for controlling the linkage part 42 to reciprocate along a first direction h1, and the first direction h1 is a direction perpendicular to the display surface 31 of the display screen 3 in a non-disinfection state; the linkage portion 42 is connected to the first driving connection portion 51 through a first hinge 61; when the linkage part 42 moves to the third position in the first direction h1, the display screen 3 is driven to rotate to the first position; when the linkage portion 42 moves to the fourth position in the first direction h1, the display screen 3 is rotated to the second position.
Specifically, in fig. 3, 4, 5 and 6, the power unit 41 is configured to drive the linkage unit 42 to move up and down, that is, to reciprocate along the first direction h1, based on the state shown in fig. 3 and 5, the linkage unit 42 is located at the fourth position, the display screen 3 is located at the second position, the power unit 41 drives the linkage unit 42 to move down, the linkage unit 42 forces the left end of the display screen 3 downward through the first hinge 61 and the first driving connection unit 51, and further rotates the display screen 3 from the second position in fig. 3 and 5 to the first position in fig. 4 and 6, at this time, the linkage unit 42 descends to the third position, at this time, the light emitting end of the ultraviolet light source 2 faces the display surface 31 of the display screen 3, ultraviolet sterilization is possible, after the sterilization is completed, the power unit 41 drives the linkage unit 42 to move up, the linkage unit 42 forces the left end of the display screen 3 upward through the first hinge 61 and the first driving connection unit 51, further, the display screen 3 is rotated from the first position shown in fig. 4 and 6 to the second position shown in fig. 3 and 5, and at this time, the linkage portion 42 is raised to the fourth position, so that the normal display can be realized.
Alternatively, the first hinge 61 includes a first rotating shaft 611 and a second rotating shaft 612, the first rotating shaft 611 and the second rotating shaft 612 having axial directions parallel to each other; the first hinge 61 is rotatably connected to the first driving connection part 51 by a first rotating shaft 611; the first hinge 61 is rotatably connected to the linkage portion 42 by a second rotating shaft 612.
Specifically, when the display screen 3 rotates, the moving path of the leftmost end of the display screen is not an upper and lower straight path, but an arc-shaped path, and the moving path of the linkage portion 42 is an upper and lower straight path, so that in order to match the straight path of the linkage portion 42 with the arc-shaped path of the leftmost end of the display screen 3, the first hinge 61 is provided as a hinge including two rotating shafts, and when the linkage portion 42 moves up and down, the leftmost end of the display screen 3 can be driven to move along the arc-shaped path, so that the display screen can be switched between the first position and the second position in a rotating manner.
Alternatively, as shown in fig. 7, fig. 7 is a partial schematic structural view of another display device according to an embodiment of the present invention, in which the power portion 41 is a motor, and the linkage portion 42 is a screw.
Specifically, for example, a rotor having an internal thread is provided inside the motor, an external thread is provided on the screw, and the internal thread of the rotor is engaged with the external thread of the screw, thereby realizing conversion of the rotational motion into the linear motion, which can stably drive the screw to move, so as to realize automatic rotation of the display screen 3,
alternatively, as shown in fig. 3 and 4, the power portion 41 is a cylinder, and the linkage portion 42 is a piston.
Specifically, the piston can be stably driven to move in a manner that the cylinder drives the piston to move, so that the display screen 3 can automatically rotate. In comparison with the structure shown in fig. 7, the structure of the display device is different from that of the power unit and the linkage unit, and the other structures of the display device may be the same. In addition, in the embodiment of the present invention, the structure and the driving method of the rotation driving mechanism 4 are described only by taking two specific structures and methods of the screw motion by the motor and the piston motion by the cylinder as examples, but the specific structure and the principle of the rotation driving mechanism 4 in the embodiment of the present invention are not limited as long as the power portion 41 can drive the linkage portion 42 to reciprocate in the first direction h 1.
Alternatively, as shown in fig. 3 and 4, the display screen 3 is rotatably connected to the housing 1 by a second hinge 62 so that the display screen 3 rotates between the first position and the second position around a rotation axis of the second hinge 62. The second hinge 62 provides a rotating shaft for the display 3 and a stable supporting structure for the display 3, so that the display 3 is stably disposed on the housing 1.
Alternatively, as shown in fig. 8 and 9, fig. 8 is a schematic cross-sectional view of the display device in fig. 2 taken along the direction AA 'in a non-sterilization state, and fig. 9 is a schematic cross-sectional view of the display device in fig. 2 taken along the direction AA' in a sterilization state, the housing 1 includes a rotation support platform 7, and the display screen 3 is overlapped on the rotation support platform 7 so that the display screen 3 rotates between the first position and the second position along the edge of the rotation support platform 7 as an axis.
Specifically, the rightmost end of the display screen 3 is lapped on the rotary supporting platform 7, when the leftmost end of the display screen 3 is provided with the rotary driving mechanism 4, the rotary driving mechanism 4 is driven to enable the display screen 3 to rotate within a certain angle by taking the leftmost edge of the rotary supporting platform 7 as an axis, so as to realize the conversion between the disinfection state and the non-disinfection state, in the structure, no complex hinge structure needs to be arranged at the rightmost end of the display screen 3, the structure is simple, the structures shown in fig. 8 and 3 only differ that the display screen 3 in fig. 3 is rotatably connected to the housing 1 through the second hinge 62, and the display screen in fig. 8 is rotatably connected to the housing 1 through the lapping mode, but the functions which can be realized by the two are the same, and the structures in addition are the same, which is not described herein again.
Optionally, as shown in fig. 8 and fig. 9, the display screen 3 is lapped on the rotary supporting platform 7 through the buffer layer 8, the buffer layer 8 may be made of foam or the like, since the right end of the display screen 3 is only lapped on the rotary supporting platform 7, that is, the stability of the rotary connection between the right end of the display screen 3 and the housing 1 is poor, therefore, by providing the buffer layer 8, the probability of the stress damage of the display screen 3 on the rotary supporting platform 7 due to the reasons such as shaking can be reduced, and the stability between the display screen 3 and the rotary supporting platform 7 is improved.
Alternatively, as shown in fig. 2, 3, and 4, the second hinge 62 and the rotation driving mechanism 4 are respectively located at opposite ends of the display screen 3.
Specifically, the direction from a to a' in fig. 2 is the direction from left to right in fig. 3 and 4, that is, the left side in fig. 3 and 4 is the lower side in fig. 2, and the right side in fig. 3 and 4 is the upper side in fig. 2, in the state shown in fig. 2, the second hinge 62 is located at the upper end of the display screen 3, and the rotation driving mechanism 4 is located at the lower end of the display screen 3, and in the non-sterilization state, the display screen 3 is closer to the user and is kept within the visual angle of the user, so that the user can view the display screen, and when the display screen 3 is a touch display screen, the user can perform touch operation with a finger; under the disinfection state, the lower extreme of display screen 3 in fig. 2 sinks to casing 1 inside and rotates to the first position shown in fig. 4 for the display surface 31 of display screen 3 that the light-emitting end direction of ultraviolet light source 2 just faces, can realize carrying out ultraviolet irradiation disinfection to display surface 31 of display screen 3, at this moment, under user's visual angle, the lower extreme of display screen 3 sinks in fig. 2, make the contained angle between display surface 31 of display screen 3 and the user's sight grow, with the suggestion user, display device is in the state of improper demonstration, in order to avoid the user to use the display device under the disinfection state, in order to avoid the user to be irradiated by the ultraviolet ray. It should be noted that, at this time, the display panel 3 shown in fig. 2 is rectangular, wherein the upper edge of the rectangle is rotatably connected to the casing 1 through the second hinge 62, the inner side of the casing 1 corresponding to the lower edge of the rectangle is provided with the ultraviolet light source 2, for example, a row of ultraviolet light sources 2 is arranged along the extending direction of the lower edge of the rectangle, and in the disinfection state, the light emitting end of the ultraviolet light source 2 obliquely irradiates to the display surface 31 of the display panel 3, so that the light with a smaller area can irradiate to the whole display surface 31 to realize disinfection, in other realizable embodiments, in the disinfection state, the light emitting end of the ultraviolet light source 2 can irradiate to the display surface 31 of the display panel 3 at a larger angle, at this time, a larger number of ultraviolet light sources 2 may need to be arranged in the first direction h1, or an ultraviolet light source 2 with a larger light emitting size is arranged in the first direction h1, so that the ultraviolet light covers the entire display surface 31 of the display screen 3 during sterilization. In addition, in other realizable embodiments, the second hinge 62 and the rotation driving mechanism 4 may be disposed at other positions, for example, the second hinge 62 is disposed at the uppermost end of the display screen 3 in fig. 2, and the rotation driving mechanism 4 is disposed at the middle position of the display screen 3 in fig. 2; alternatively, the rotation driving mechanism 4 is disposed at the lowest end of the display screen 3 in fig. 2, and the second hinge 62 is disposed at the middle position of the display screen 3 in fig. 2, in this case, the second hinge 62 may include two sub-hinges, the two sub-hinges are respectively disposed at the left and right sides of the display screen 3, and the rotating shafts of the two sub-hinges are located on the same straight line. The specific positions of the second hinge 62 and the rotation driving mechanism 4 in the embodiment of the present invention are not limited as long as the rotation driving mechanism 4 can drive the display screen 3 to rotate along the rotation axis of the second hinge 62.
Optionally, as shown in fig. 2 and fig. 3, the display screen 3 includes a cover plate 32 and a display module 33, where the cover plate 32 is used for protecting the outermost side of the display screen 3, and the display module 33 is used for implementing a light-emitting function to display a picture; the cover plate 32 is rotatably connected to the housing 1 by a second hinge 62; the first driving connection 51 is fixedly connected to the cover plate 32.
Specifically, in this structure, the display screen 3 is fixed to the housing 1 by the cover plate 32, and the display module 33 is driven to rotate by the rotation of the cover plate 32, so that the second hinge 62 and the rotation driving mechanism 4 can be disposed outside the display module 33, and thus, in the state shown in fig. 3, in the first direction h1, there is no overlap between the rotation driving mechanism 4 and the second hinge 62, and the display module 33, and therefore, there is a larger available space below the display module 33. The display device can be made to have a smaller size in this direction.
Alternatively, as shown in fig. 10 and 11, fig. 10 is a schematic cross-sectional view of a part of the display device in fig. 2 in a non-sterilization state in the direction of AA ', and fig. 11 is a schematic cross-sectional view of a part of the display device in fig. 2 in a sterilization state in the direction of AA', when the display screen 3 is rotated to the second position, the light emitting end of the ultraviolet light source 2 faces to be non-parallel to the display surface 31 of the display screen 3.
Specifically, fig. 10 and 11 only illustrate the structures of the display screen 3, the housing 1 and the ultraviolet light source 2, and other structures are omitted, when the display screen 3 is rotated to the second position, corresponding to the non-sterile state, i.e. the state illustrated in fig. 10, at this time, the light emitting end of the ultraviolet light source 2 faces to be non-parallel to the display surface 31 of the display screen 3, i.e. the angle between the light emitting end of the ultraviolet light source 2 and the second direction h2 (or the plane of the display surface of the display screen) is a non-zero acute angle, at this time, the plane direction of the display surface 31 of the display screen 3 is the second direction h2, at this time, the display surface 31 of the display screen 3 faces upward in fig. 10, at this time, the light emitting end of the ultraviolet light source 2 is set to face obliquely downward and still faces to the outside of the display surface 31 of the display screen 3, so that the leftmost end of the display screen 3 in fig. 10 moves downward to rotate the display screen 3 to the first position illustrated in fig. 11, at this time, in the sterilization state, the light emitting end of the ultraviolet light source 2 may be directed toward the display surface 31 of the display 3, and the display surface 31 of the display 3 may be sterilized by ultraviolet irradiation, and the arrow in fig. 11 indicates the transmission path of the ultraviolet light. In this structure, since the light exit end of the ultraviolet light source 2 faces the side away from the user, i.e., the upper side in fig. 10 and 11, the probability of the ultraviolet light irradiating the user during the sterilization process can be reduced. In the configuration shown in fig. 2 and 3, when the display screen 3 is rotated to the second position, the light emitting end of the ultraviolet light source 2 is oriented parallel to the display surface 31 of the display screen 3, i.e., the light emitting end of the ultraviolet light source 2 is oriented toward the side of the display screen 3.
Alternatively, as shown in fig. 3, 4, 7, 8 and 9, when the display screen 3 is located at the second position, the plane of the display screen 3 is perpendicular to the first direction h1, and the display device further includes an ultraviolet blocking part 9, and in the first direction h1, the ultraviolet light source 2 is blocked by the ultraviolet blocking part 9.
Specifically, the first direction h1 is a direction toward the user, and an ultraviolet blocking portion 9 for blocking the ultraviolet light source 2 is provided on the side toward the user, i.e., the upper side in fig. 3, 4, 7, 8, and 9, to further block ultraviolet rays that may exit toward the user, so as to reduce the probability that the user is irradiated with ultraviolet rays.
Optionally, as shown in fig. 3, 4, 7, 8 and 9, a reflective layer 91 is disposed on a side of the ultraviolet blocking portion 9 close to the ultraviolet light source 2, and the reflective layer 91 is used for reflecting ultraviolet rays, and ultraviolet rays from the ultraviolet light source 2 are reflected by the reflective layer after being transmitted to the reflective layer 91 and then retransmitted to the display surface 31 of the display screen 3, so as to improve the utilization rate of the ultraviolet rays and improve the disinfection effect.
Alternatively, as shown in fig. 12, 13 and 14, fig. 12 is a schematic cross-sectional structure of the display device in fig. 2 in the direction of AA' in the non-sterilization state, fig. 13 is a schematic cross-sectional structure of the display device in fig. 2 in the sterilization state, fig. 14 is a schematic structural view of a lower portion of the display device in the sterilization state under the view of a user, a reel 11 is disposed in the ultraviolet blocking part 9, a sterilization indicator sheet 12 is disposed in the reel 11, and the rotation of the reel 11 is linked with the rotation driving mechanism 4; when the linkage part 42 moves to the third position in the first direction h1, the display screen 3 is driven to rotate to the first position, and the disinfection indicating sheet 12 is driven to be unfolded, at the moment, the display device is in a disinfection state, the unfolded disinfection indicating sheet is exposed from the opening 10 of the shell 1, the disinfection indicating sheet 12 can be in a structure of paper sheets or cloth sheets, and characters for prompting such as 'ultraviolet disinfection in the middle' can be marked on the disinfection indicating sheet 12; when linkage portion 42 moves to the fourth position on first direction h1, drive display screen 3 and rotate to the second position, drive disinfection simultaneously and instruct piece 12 to be accomodate to spool 11 by curling in, at this moment, display device is in non-disinfection state, and display device normally provides the display function, and disinfection instructs piece 12 to be hidden, can not cause the influence to the demonstration. It should be noted that the embodiment of the present invention is not limited to a specific implementation manner of the linkage between the rotation of the reel 11 and the rotary driving mechanism 4, and for example, the rotation is achieved by engaging a track with a gear.
Note that the sterilization state in the embodiment of the present invention means that the display screen is sterilized toward the user side. Generally, a display screen has a touch function, however, bacteria are generated on the display screen when the touch is made, so that the display screen is dangerous to health. In the embodiment of the invention, the display screen can be provided with a cover plate, and the disinfection of the display screen is the disinfection of the surface of one side of the cover plate facing to a user; if the display screen is not provided with the cover plate but is provided with the packaging layer or the protective layer, the disinfection of the display screen is the disinfection of the surface of the packaging layer or the protective layer facing to the user side. In the embodiment of the present invention, the touch functional layer of the display screen may be disposed on the cover plate, or disposed inside or on the surface of the display panel.
It should be noted that the display device in the embodiment of the present invention may be any type of display device, and is particularly suitable for a display device placed in a public place, and is more suitable for a touch display device placed in a public place.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (15)
1. A display device, comprising:
a housing;
an ultraviolet light source disposed on the housing;
a display screen disposed on the housing;
in a disinfection state, the display screen is located at a first position, and the light emergent end of the ultraviolet light source faces the display surface of the display screen;
in a non-disinfection state, the display screen is located at a second position, and the light emergent end of the ultraviolet light source faces the outside of the display surface of the display screen;
the display screen is rotatably coupled to the housing such that the display screen rotates between the first position and the second position.
2. The display device according to claim 1,
the display screen is arranged in the shell and comprises a first position and a second position, and the display screen is arranged in the shell and is driven to rotate between the first position and the second position.
3. The display device according to claim 2,
the display screen comprises a first driving connecting part;
the shell is provided with a second driving connecting part;
the rotary driving mechanism comprises a power part and a linkage part, the power part is fixedly connected to the second driving connecting part, the power part is used for controlling the linkage part to reciprocate along a first direction, and the first direction is a direction perpendicular to the display surface of the display screen in the non-disinfection state;
the linkage part is connected to the first driving connecting part through a first hinge;
when the linkage part moves to a third position in the first direction, the display screen is driven to rotate to the first position;
when the linkage part moves to a fourth position in the first direction, the display screen is driven to rotate to the second position.
4. The display device according to claim 3,
the first hinge comprises a first rotating shaft and a second rotating shaft, and the first rotating shaft and the second rotating shaft are provided with mutually parallel axial directions;
the first hinge is rotatably connected to the first driving connecting part through the first rotating shaft;
the first hinge is rotatably connected to the linkage part through the second rotating shaft.
5. The display device according to claim 3,
the power part is a motor, and the linkage part is a screw rod.
6. The display device according to claim 3,
the power part is a cylinder, and the linkage part is a piston.
7. The display device according to any one of claims 3 to 6,
the display screen is rotatably connected to the shell through a second hinge, so that the display screen rotates between the first position and the second position along a rotating shaft of the second hinge as an axis.
8. The display device according to any one of claims 1 to 6,
the shell comprises a rotary supporting platform, and the display screen is lapped on the rotary supporting platform so as to rotate between the first position and the second position along the edge of the rotary supporting platform as an axis.
9. The display device according to claim 8,
the display screen is lapped on the rotary supporting platform through the buffer layer.
10. The display device according to claim 7,
the second hinge and the rotation driving mechanism are respectively positioned at two opposite ends of the display screen.
11. The display device according to claim 7,
the display screen comprises a cover plate and a display module;
the cover plate is rotatably connected to the shell through the second hinge;
the first driving connecting part is fixedly connected to the cover plate.
12. The display device according to claim 1,
when the display screen rotates to the second position, the light emergent end of the ultraviolet light source faces to the display surface of the display screen in a non-parallel mode.
13. The display device according to claim 3,
when the display screen is located at the second position, the plane where the display screen is located is perpendicular to the first direction, the display device further comprises an ultraviolet blocking portion, and the ultraviolet light source is blocked by the ultraviolet blocking portion in the first direction.
14. The display device according to claim 13,
and a reflective layer is arranged on one side of the ultraviolet blocking part close to the ultraviolet light source.
15. The display device according to claim 13,
a reel is arranged in the ultraviolet blocking part, a disinfection indicating sheet is arranged in the reel, and the rotation of the reel is linked with the rotary driving mechanism;
when the linkage part moves to the third position in the first direction, the disinfection indicating sheet is driven to be unfolded;
when the linkage part moves to the fourth position in the first direction, the disinfection indicating sheet is driven to be coiled and contained in the reel.
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| CN201910412560.0A CN110136575B (en) | 2019-05-17 | 2019-05-17 | Display device |
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| CN201910412560.0A CN110136575B (en) | 2019-05-17 | 2019-05-17 | Display device |
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| CN110136575B true CN110136575B (en) | 2021-10-15 |
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| CN110433301A (en) * | 2019-08-21 | 2019-11-12 | 上海中航光电子有限公司 | A kind of display device |
| KR20210023177A (en) * | 2019-08-22 | 2021-03-04 | 삼성전자주식회사 | Display apparatus and controlling method thereof |
| TWI807267B (en) * | 2020-03-10 | 2023-07-01 | 仁寶電腦工業股份有限公司 | Portable electronic device and disinfecting and sterilizing method thereof |
| CN112133217B (en) * | 2020-10-13 | 2022-06-07 | 天马微电子股份有限公司 | Self-service display terminal |
| CN112164336A (en) * | 2020-10-14 | 2021-01-01 | 天马微电子股份有限公司 | Display device |
| CN114546317B (en) * | 2022-02-23 | 2023-10-27 | 海信集团控股股份有限公司 | Vehicle-mounted display device and display method thereof |
| TWI800298B (en) * | 2022-03-10 | 2023-04-21 | 緯創資通股份有限公司 | Self-sterilizing display device |
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