CN113035081B - Flexible display device and electronic equipment - Google Patents
Flexible display device and electronic equipment Download PDFInfo
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- CN113035081B CN113035081B CN202110350828.XA CN202110350828A CN113035081B CN 113035081 B CN113035081 B CN 113035081B CN 202110350828 A CN202110350828 A CN 202110350828A CN 113035081 B CN113035081 B CN 113035081B
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- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 22
- 230000006872 improvement Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 14
- 230000036544 posture Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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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
- G09F9/33—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 being semiconductor devices, e.g. diodes
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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
- G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
- H05K7/20972—Forced ventilation, e.g. on heat dissipaters coupled to components
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a flexible display device and electronic equipment, wherein the direction of air flow at an outlet of an air duct arranged on a mounting main body of the flexible display device can be adjusted according to the posture of a flexible display panel, so that part or all of the air flow at the outlet of the air outlet flows along the surface of the flexible display panel. In the embodiment, the airflow flows along the surface of the flexible display panel, the resistance is small, the airflow can flow through the large area of the flexible display panel, the contact area between the airflow and the flexible display panel is greatly improved, the phenomenon that the airflow cannot blow to the surface of the flexible display panel is avoided, the heat dissipation efficiency is greatly improved, and the improvement of the working performance and the service life of each part of the flexible display panel is facilitated.
Description
Technical Field
The invention relates to the technical field of display, in particular to a flexible display device and electronic equipment.
Background
With the rapid development of display technologies, the functions and types of display screens are more and more, wherein the flexible display screen is a typical type of display screen, the flexible display screen has better flexibility, can realize the change of the shape, gives dynamic aesthetic feeling to people on the display, and is more and more widely applied.
The flexible display screen comprises a display unit and a signal processing unit connected with the display unit through a circuit board, the display unit generally adopts a plurality of LED structures, LEDs can generate certain heat during working, and the normal work of the flexible display screen can be influenced if the heat is not timely dissipated. Currently, heat dissipation of flexible display screens is typically accomplished using a specially configured heat dissipation system. How to improve the heat dissipation efficiency of the heat dissipation system is a goal that is constantly pursued by those skilled in the art.
Disclosure of Invention
The invention aims to provide a flexible display device and electronic equipment with high heat dissipation efficiency.
The invention provides a flexible display device, which comprises an installation main body, a supporting structure and a flexible display panel, wherein the installation main body is provided with a plurality of installation holes;
the supporting structure comprises a driving piece and a supporting piece for supporting the flexible display panel, wherein the driving piece is used for driving the supporting piece to deform so as to configure the flexible display panel to a required using posture;
the installation main part still is provided with the wind channel, the gas outlet in wind channel can be adjusted to export air current at least part and follow the position that flexible display panel's face flows.
The direction of the air flow at the outlet of the air duct arranged on the mounting main body can be adjusted according to the posture of the flexible display panel, so that the air flow at the outlet of the air outlet partially or completely flows along the panel surface of the flexible display panel. In the embodiment, the airflow flows along the surface of the flexible display panel, the resistance is small, the airflow can flow through the large area of the flexible display panel, the contact area between the airflow and the flexible display panel is greatly improved, the phenomenon that the airflow cannot blow to the surface of the flexible display panel is avoided, the heat dissipation efficiency is greatly improved, and the improvement of the working performance and the service life of each part of the flexible display panel is facilitated.
Optionally, the display panel further comprises a sleeve rotatably mounted on the mounting body, the rotating shaft is along an axial direction of the sleeve, the sleeve is located on the periphery of the flexible display panel, and the axial direction of the sleeve extends in the same direction as the side edge of the flexible display panel adjacent to the sleeve; the inner cavity of the sleeve forms the air duct, and the air outlet is arranged along the axial direction of the sleeve.
Optionally, an opening is formed in a wall of the sleeve along an axial direction, a circumferential outer edge of the opening extends outwards to form a radial pipe section, an outer port of the radial pipe section is the air outlet, and the radial pipe section is located on the periphery of the flexible display panel.
Optionally, in an operating state, the air outlet is close to a side of the display surface of the flexible display panel, so as to guide the outlet airflow to the display surface.
Optionally, the driving member is a motor disposed at the first end of the sleeve, the mounting end of the supporting member and the sleeve are coaxially mounted on a driving shaft of the motor, and under the rotation action of the driving shaft, the mounting end rotates to deform the supporting member, and at the same time, the sleeve rotates around an axis thereof to adjust the direction of the air outlet.
Optionally, a fan is further included, the fan being mounted to the second end of the sleeve; the mounting main body is provided with a mounting cavity, the sleeve, the fan and the motor are mounted in the mounting cavity, the cavity wall of the mounting cavity is further provided with an arc-shaped opening section for limiting the range of the rotation angle of the mounting end of the support piece, and the mounting end of each support piece penetrates through the arc-shaped opening section to be connected with the driving shaft.
Optionally, the support member comprises at least one hinge assembly, each hinge assembly comprises a plurality of hinge units, each hinge unit in the same hinge assembly is hinged in sequence, and the end hinge unit on the same side of each hinge assembly is connected to the sleeve or the driving shaft of the motor on the corresponding side.
Optionally, the number of the sleeves is two, the sleeves are respectively disposed on two sides of the flexible display panel, the number of the motors is also two, driving shafts of the two motors are respectively coaxial with the two sleeves, and the motors drive the corresponding sleeves and end hinge units of the hinge assemblies on the corresponding side to synchronously rotate.
Optionally, the hinge assembly at least comprises a first hinge assembly and a second hinge assembly which are arranged in parallel and respectively arranged close to two end parts of the sleeve, the driving shaft is fixedly connected with a first engaging tooth and a second engaging tooth which are arranged at intervals along the axial direction, one end hinge unit of the first hinge assembly comprises a through hole with an inner gear ring, the first engaging tooth is engaged and matched with the inner gear ring, and the second engaging tooth is engaged and matched with the sleeve; one end hinge unit of the second hinge assembly is fixedly connected with the sleeve.
Optionally, the through hole includes an inner gear ring section and a smooth section, the inner gear ring section is in meshing fit with the first meshing teeth, and the smooth section is in sleeving fit with the end shaft section of the sleeve.
Optionally, each hinge unit includes a supporting surface and a back surface, the supporting surface is used for supporting and mounting the flexible display panel, one of the two hinge units hinged to each other is provided with a mounting groove on the back surface, the other hinge unit is provided with a hinge projection, the mounting groove includes two side walls and a bottom wall connecting the two side walls, and the hinge projection is located inside the mounting groove and hinged to the two side walls; when the hinge lug rotates to the maximum rotation angle around the hinge shaft, the hinge lug abuts against the bottom wall of the mounting groove to limit the rotation of the hinge lug.
In addition, the invention also provides electronic equipment comprising the flexible display device.
In addition, the electronic device provided by the invention has the flexible display device and also has the technical effects of the flexible display device, which are not described herein again.
Drawings
FIG. 1 is a schematic structural diagram of a flexible display device according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of the flexible display device shown in fig. 1;
FIG. 3 is a schematic structural diagram of a flexible display device without a flexible display panel according to an embodiment of the present invention;
FIG. 4 is a schematic partial view of a flexible display device according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of the flexible display device of fig. 4;
FIG. 6 is an enlarged view of the point B in FIG. 4;
FIG. 7 is a partial cross-sectional view of a hinge assembly in an embodiment of the present invention;
FIG. 8 is an enlarged fragmentary view of a mounting end connection location of the hinge assembly in one embodiment of the present invention;
FIG. 9 is an exploded view of the motor, first hinge assembly and bushing attachment location in accordance with one embodiment of the present invention;
fig. 10 is a transverse cross-sectional view of a flexible display device in a first position in an embodiment of the invention;
FIG. 11 is a cross-sectional view of a flexible display device in a second position in accordance with an embodiment of the present invention;
FIG. 12 is an enlarged view of a portion A of FIG. 11;
fig. 13 is an exploded view of a flexible display panel according to an embodiment of the invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 13 is:
1, a flexible display screen; 1-1 flexible screen; 1-2 elastic plates; 2, mounting the main body; 2-1 cavity wall; 2-1a arc opening section; 2-2 cover plate; 2-3 fans; 2-4 casing pipes; 2-41 radial pipe sections; 2-42 end shaft sections; 2-5 motors; 3, a shell; 4 a second hinge assembly; 4' a first hinge assembly; 41 a hinge unit; 411 mounting grooves; 4111 a bottom wall; 412 a hinge tab; 2-7 a first transfer ring; 2-71 inner gear ring sections; 2-8 second adapter ring.
Detailed Description
Aiming at improving the heat dissipation efficiency, the invention carries out a great deal of research on the existing heat dissipation system, and researches find that the main reason influencing the heat dissipation efficiency of the heat dissipation system at present is as follows: at present, the position of an air outlet in a heat dissipation system is fixed, when the form of a flexible display screen changes, air blown out from the air outlet can not be blown onto the flexible display screen, and can not timely cool all parts of the flexible display screen, so that the working temperature of all parts of the flexible display screen can be too high, and further the working performance of all parts of the flexible display screen is greatly influenced.
On the basis of the research findings, the invention deeply explores and provides a technical scheme for solving the technical problem that the current heat dissipation system is low in heat dissipation efficiency.
The technical solutions and effects of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments so that those skilled in the art can fully understand the present invention.
Referring to fig. 1 to 13, fig. 1 is a schematic structural diagram of a flexible display device according to an embodiment of the present invention; fig. 2 is an exploded schematic view of the flexible display device shown in fig. 1; FIG. 3 is a schematic structural diagram of a flexible display device without a flexible display panel according to an embodiment of the present invention; FIG. 4 is a schematic partial view of a flexible display device according to an embodiment of the present invention; fig. 5 is a cross-sectional view of the flexible display device of fig. 4; FIG. 6 is an enlarged view of the point B in FIG. 4; FIG. 7 is a partial cross-sectional view of a hinge assembly in an embodiment of the present invention; FIG. 8 is an enlarged fragmentary view of a mounting end connection location of the hinge assembly in one embodiment of the present invention; FIG. 9 is an exploded view of the motor, first hinge assembly and bushing attachment location in accordance with one embodiment of the present invention; fig. 10 is a transverse cross-sectional view of a flexible display device in a first position in an embodiment of the invention; FIG. 11 is a cross-sectional view of a flexible display device in a second position in accordance with an embodiment of the present invention; FIG. 12 is an enlarged view of a portion A of FIG. 11; fig. 13 is an exploded view of a flexible display panel according to an embodiment of the invention.
Referring to fig. 1 to 4, 10 and 11, the flexible display device provided by the present invention includes a mounting main body 2, a supporting structure and a flexible display panel 1.
The installation main body 2 mainly provides the installation basis for each part such as bearing structure and flexible display panel 1, and the concrete structure and the material text of installation main body 2 do not do the restriction, and technical personnel can rationally select according to service environment and demand in this field, as long as can satisfy the user demand. The absence of a specific structure of the mounting body 2 is disclosed herein and does not hinder the understanding and implementation of the solution herein by a person skilled in the art.
Generally, the flexible display panel 1 includes a display unit, and a signal processing unit and a power supply unit connected thereto through a circuit board, and the circuit board is also flexible, and the flexible display panel 1 can be bent within a certain degree.
The supporting structure comprises a driving part and a supporting part, wherein the supporting part is used for supporting the flexible display panel 1, the driving part can drive the supporting part to deform, the supporting part deforms and simultaneously drives the flexible display panel 1 combined with the supporting part to deform, and then the flexible display panel 1 is configured in a required use posture, namely, the posture of the flexible display panel 1 changes under the driving of the deformation of the supporting part, and then the display surface of the flexible display panel 1 can present different postures so as to meet use requirements.
Wherein the bonding of the support with the flexible display panel 1 may be achieved by a gluing process or other process means.
The mounting main body 2 of the flexible display device provided by the invention is also provided with an air duct, and an air outlet 2a of the air duct can be adjusted to a position where at least part of outlet airflow flows along the surface of the flexible display panel.
That is, herein, the outlet airflow direction of the air outlet 2a of the air duct provided on the mounting body 2 can be adjusted according to the posture of the flexible display panel, so that the outlet airflow of the air outlet 2a partially or entirely flows along the panel surface of the flexible display panel 1. In this embodiment, the air current flows along the face of flexible display panel 1, and the resistance that receives is less, and the air current can flow through the great region of flexible display panel 1, has improved the area of contact of air current with flexible display panel 1 greatly, avoids the air current can't blow the emergence to flexible display panel's face phenomenon to improved the radiating efficiency greatly, and then be favorable to improving the working property and the life of each part of flexible display panel 1.
The plate surface of the flexible display panel described above may be the display surface of the flexible display panel 1, or may be the back surface (the side surface facing the opposite direction from the display surface) of the flexible display panel 1.
In a specific embodiment, the flexible display device further comprises a sleeve 2-4, the sleeve 2-4 is rotatably mounted on the mounting body 2, the rotation axis of the sleeve 2-4 is along the axial direction of the sleeve 2-4, the sleeve 2-4 is located at the periphery of the flexible display panel 1, the sleeve 2-4 can be arranged at only one side of the flexible display panel 1, and of course, the sleeve 2-4 can be arranged at two opposite sides or three sides or all around the flexible display panel 1. A specific embodiment is given hereinafter in which two sleeves 2-4 are provided, both of which are present on opposite sides of the flexible display panel 1.
The sleeves 2-4 in the present invention extend axially in the same direction as the side edges of the flexible display panel 1 adjacent thereto, i.e. the sleeves 2-4 are arranged parallel to the side edges of the flexible display panel 1. Wherein, the inner cavity of the sleeve 2-4 forms an air duct for air flow, and the air outlet is arranged along the axial direction of the sleeve 2-4. The length of the air outlet is approximately the same as the length of the adjacent side of the flexible display panel 1.
In the above embodiment, the air duct is formed by the inner cavity of the sleeve 2-4, and the position of the air outlet 2a on the sleeve 2-4 can be adjusted simply and conveniently by rotating the position of the sleeve 2-4 relative to the mounting main body 2.
The air outlets can be continuously arranged with the casing pipes 2-4 and can also be arranged at intervals along the axial direction.
Referring to fig. 4 again, in a specific embodiment, the tube wall of the sleeve 2-4 is provided with an opening along the axial direction, the circumferential outer edge of the opening extends outwards to form a radial tube section 2-41, the outer port of the radial tube section 2-41 is an air outlet 2a, and the radial tube section 2-41 is located at the periphery of the flexible display panel 1.
The lengths of the radial pipe sections 2 to 41 are reasonably set according to the position of the flexible display panel 1, so that the distance between the outer ports of the radial pipe sections 2 to 41 and the flexible display panel 1 is in a reasonable range, air flow can completely flow to the surface of the flexible display panel 1 as much as possible, the utilization rate of the air flow is improved, and further the heat dissipation efficiency is improved.
And the radial pipe sections 2-41 are positioned at the periphery of the flexible display panel 1, so that air flow can be blown in from the side edge of the flexible display panel 1 as much as possible, heat dissipation of edge components on the panel is facilitated, and over-high temperature of local components is avoided.
The particular shape of the radial tube sections 2-41 is not limited, as far as possible to reduce the resistance to gas flow.
Referring to fig. 13, the flexible display panel 1 generally includes a flexible screen 1-1 and an elastic plate 1-2, the elastic plate is made of elastic plastic, and can be bent to some extent, and the flexible screen 1-1 can provide a certain support when being bent, so as to protect the flexible screen. The flexible screen 1-1 and the elastic plate 1-2 may be adhesively fixed by a process such as gluing, and the support member is usually bonded to the back side of the elastic plate 1-2. The flexible screen 1-1 mainly includes the above-described display unit and heat generating components such as a circuit board, and therefore, in order to improve the heat dissipation efficiency, the following arrangement is also made herein.
When in the operating state, the air outlet 2a is close to the display surface side of the flexible display panel so as to guide the outlet air flow to the display surface. Note that, the close reference herein means that the air outlet 2a is located closer to the display surface than the back surface of the flexible display panel 1, and most or all of the air flow is directed to the display surface, not to the back surface.
In the above embodiments, referring to fig. 9, the driving member may include a motor 2-5, for simplicity of description of the technical solution, two ends of the sleeve 2-4 in the axial direction are respectively defined as a first end and a second end, and specifically, the motor 2-5 may be disposed at the first end of the sleeve 2-4. The mounting end part of the supporting part and the sleeve 2-4 are coaxially mounted on a driving shaft of the motor 2-5, and the supporting part and the sleeve 2-4 can be directly or indirectly connected with the driving shaft as long as the driving shaft can drive the two to act. Under the rotation of the driving shaft, the mounting end of the support member is rotated to deform the support member, thereby configuring the flexible display panel 1 to a corresponding posture. Meanwhile, the sleeve 2-4 also rotates around the axis thereof to adjust the air outlet direction of the air outlet 2a, so as to guide the outlet air flow of the air outlet 2a to the panel surface of the flexible display panel 1.
In the above embodiment, the deformation of the support member and the position adjustment of the air outlet 2a of the casing 2-4 can be simultaneously realized by one motor, the structure is compact, the size of the flexible display device can be reduced, and the position of the air outlet 2a is adjusted along with the deformation of the flexible display panel 1 in real time, so that the heat dissipation of the flexible display panel 1 is realized, and the heat dissipation efficiency is improved.
The heat dissipation air source can come from an external high-pressure air path, namely, when the heat dissipation air source is used, the air channels in the sleeves 2-4 are connected to the external high-pressure air path, and air source components can be arranged in the flexible display device, so that the integration design and the use flexibility of the system are improved.
In a specific embodiment, the flexible display device further integrates a fan 2-3, in particular, the fan 2-3 is mounted at the second end of the sleeve 2-4; of course, the fan may be mounted at other positions of the mounting body 2, communicating with the inner cavities of the cannulae 2-4 through pipes.
The mounting main body 2 is provided with a mounting cavity, and the sleeve 2-4, the fan 2-3 and the motor 2-5 are mounted in the mounting cavity, so that the parts 2-4, the fan 2-3, the motor 2-5 and the like can be prevented from being exposed to the external environment, a relatively clean working environment can be provided for each part, and the service life of each part is prolonged.
The flexible display panel 1 is deformed to an extreme extent, and it cannot be bent infinitely, otherwise, it will damage the components on the flexible display panel 1, and therefore, the following configuration is also provided herein.
Referring to fig. 8, the cavity wall 2-1 of the installation cavity is further provided with an arc-shaped opening section 2-1a for limiting the rotation angle range of the installation end of the support member, and the installation end of each support member passes through the arc-shaped opening section 2-1a to be connected with the driving shaft. Therefore, the installation end part can only rotate in the arc-shaped opening section 2-1a, and when the installation end part moves to contact with the two end parts of the arc-shaped opening section 2-1a, the installation end part can not rotate continuously, so that the deformation of the supporting piece is effectively controlled.
In the above embodiment, the control of the maximum deformation of the flexible display panel 1 is realized through a simple mechanical structure, without adding control logic, and the method is simple and highly reliable.
In the above embodiments, the supporting element may include at least one hinge assembly, that is, the number of the hinge assemblies may be one, or two or more, and the number may be set reasonably according to the setting positions of the hinge assemblies and the required deformation of the flexible display panel 1.
Referring to fig. 5 to 7, the hinge assembly includes a plurality of hinge units 41, each hinge unit 41 of each hinge assembly is hinged in turn, the end hinge unit on the same side of each hinge assembly is connected to the corresponding side sleeve 2-4 or the driving shaft of the motor 2-5, that is, the driving shaft of the motor can drive the end hinge unit to rotate, and then the other hinge units are correspondingly changed in position under the transmission of the end hinge unit.
The connection mode can realize that one motor drives a plurality of hinge assemblies to deform simultaneously, and the maximum adjustment of the flexible deformation of the flexible display panel 1 can be realized by a simpler mechanism.
In a specific embodiment, the number of the two sleeves 2-4 is two, the two sleeves are respectively arranged on two sides of the flexible display panel 1, the number of the motors 2-5 is also two, the driving shafts of the two motors 2-5 are respectively coaxial with the two sleeves 2-4, and the motors 2-5 drive the corresponding sleeves 2-4 and the end hinge units of the hinge assemblies on the side to synchronously rotate.
That is, the flexible display panel 1 is provided at both sides thereof with the bushings 2-4, the motors 2-5, and the hinge assemblies, one motor driving one bushing 2-4 to rotate, and simultaneously driving the mounting end of the hinge assembly of the corresponding side to rotate. The two sides of the flexible display panel 1 can be adjusted in different postures by independently controlling the rotation angle of each motor 2-5, so that the deformation flexibility of the flexible display panel can be greatly improved. And the air outlets arranged on the sleeves 2-4 at the two sides can simultaneously dissipate heat at the two sides of the flexible display panel 1, so that the heat dissipation efficiency is improved.
The hinge assembly can be directly connected with the driving shaft, can be indirectly connected with the driving shaft, and can also be partially connected with the driving shaft directly, and can be partially connected with the driving shaft indirectly, and all the hinge assemblies can be flexibly selected according to the arrangement position.
Referring again to fig. 3, in one embodiment, the hinge assembly includes a first hinge assembly 4' and a second hinge assembly 4 disposed in parallel and respectively adjacent to the ends of the bushings 2-4, depending on the connection to the drive shaft. The driving shaft is fixedly connected with first engaging teeth 2-51 and second engaging teeth 2-52 which are arranged at intervals along the axial direction, a hinge unit at one end part of the first hinge assembly 4' comprises a through hole with an inner gear ring, the first engaging teeth 2-51 are engaged and matched with the inner gear ring, and the second engaging teeth 2-52 are engaged and matched with the sleeve 2-4; one end hinge unit of the second hinge assembly 4 is fixedly coupled with the socket 2-4.
In the above embodiment, the first hinge assembly 4 'close to the motor is directly connected to the driving shaft by the tooth engagement, so that the first hinge assembly 4' can be disposed as close as possible to the edge of the flexible display panel 1, which is beneficial to adjusting the edge position form of the flexible display panel 1, and the tooth engagement transmission is reliable and has a simple structure.
Other second hinge assemblies 4 far away from the motor are connected with the sleeves 2-4 and rotate along with the sleeves 2-4, and other transmission parts are not needed to be added by virtue of transmission of the sleeves 2-4, so that the mechanism structure is greatly simplified.
Specifically, the through hole includes inner ring segments 2 to 71 and a smooth segment (not shown in the figure)), the inner ring segments 2 to 71 are engaged with the first engaging teeth 2 to 51, and the smooth segment is fitted with the end shaft segments 2 to 42 of the bushings 2 to 4, so that the end shaft segments 2 to 42 of the bushings 2 to 4 perform a rotation supporting function on the first hinge assembly 4 'to some extent, thereby improving the rotation and installation stability of the first hinge assembly 4'.
Specifically, each hinge unit 41 includes a supporting surface and a back surface, the supporting surface is used for supporting and mounting with the flexible display panel 1, one of the two hinge units that are hinged to each other is provided with a mounting groove 411 on the back surface, the other hinge unit is provided with a hinge protrusion 412, the mounting groove 411 includes two side walls and a bottom wall connecting the two side walls, and the hinge protrusion 412 is located inside the mounting groove 411 and is hinged to the two side walls. Both the mounting groove 411 and the hinge projection 412 may be provided with hinge holes, and the hinge shaft may be disposed inside the corresponding hinge hole to realize the hinge connection therebetween, of course, one of the mounting groove 411 and the hinge projection 412 may be provided with a protruding shaft, and the other may be provided with a slot hole, and the protruding shaft may be directly hinged inside the slot hole.
In the above embodiment, when the hinge projection 412 rotates to the maximum rotation angle around the hinge shaft, the hinge projection 412 abuts against the bottom wall 4111 of the mounting groove to limit the rotation of the hinge projection 412.
The relative rotation angle of the adjacent hinge units is limited in the mode, and the protection of the local position of the flexible display panel 1 is improved.
In order to improve the service life of each hinge assembly and the flexible display panel 1 as much as possible, a housing 3 may be provided, the hinge assembly and the flexible display panel 1 may be accommodated in the housing 3, and only the display surface of the flexible display panel 1 may be exposed to the outside of the housing 3.
In addition, the invention further provides an electronic device, which includes the flexible display device according to any one of the above embodiments.
The electronic device of the present invention includes the flexible display device, and therefore, has the technical effects of the flexible display device.
Other structures of the electronic device are not described in detail herein, and refer to the prior art.
It should be noted that the first and second components described herein are defined only for distinguishing two components having the same or similar functional structures, and do not represent sequential meanings, which is merely for facilitating understanding of the technical solutions described herein by those skilled in the art.
The flexible display device and the electronic device provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A flexible display device, comprising a mounting body (2), a support structure and a flexible display panel (1);
the supporting structure comprises a driving piece and a supporting piece for supporting the flexible display panel (1), wherein the driving piece is used for driving the supporting piece to deform so as to configure the flexible display panel (1) to a required using posture;
the mounting main body (2) is further provided with an air duct, and an air outlet (2a) of the air duct can be adjusted to a position where outlet air flow at least partially flows along the surface of the flexible display panel (1); the display panel further comprises a sleeve (2-4) rotatably mounted on the mounting body (2), the rotating shaft is along the axial direction of the sleeve (2-4), the sleeve (2-4) is positioned on the periphery of the flexible display panel (1), and the axial direction of the sleeve (2-4) is in the same direction with the side edge of the flexible display panel (1) adjacent to the sleeve; the inner cavity of the sleeve (2-4) forms the air duct, and the air outlet (2a) is arranged along the axial direction of the sleeve (2-4);
the driving part is a motor (2-5) arranged at the first end part of the sleeve (2-4), the mounting end part of the supporting part and the sleeve (2-4) are coaxially mounted on a driving shaft of the motor (2-5), under the rotating action of the driving shaft, the mounting end part rotates to enable the supporting part to deform, and meanwhile, the sleeve (2-4) rotates around the axis of the sleeve to adjust the direction of the air outlet (2 a).
2. The flexible display device according to claim 1, wherein the tube wall of the sleeve (2-4) is provided with an opening along the axial direction, the circumferential outer edge of the opening extends outwards to form a radial tube section (2-41), the outer port of the radial tube section (2-41) is the air outlet (2a), and the radial tube section (2-41) is located at the periphery of the flexible display panel (1).
3. A flexible display device as claimed in claim 1, wherein the air outlet (2a) is located adjacent a side of the display surface of the flexible display panel (1) in the active state, so as to direct an outlet air flow towards the display surface.
4. A flexible display device according to any of claims 1 to 3, further comprising a fan (2-3), said fan (2-3) being mounted to a second end of said sleeve (2-4); the mounting main body (2) is provided with a mounting cavity, the sleeve (2-4), the fan (2-3) and the motor (2-5) are mounted in the mounting cavity, the cavity wall of the mounting cavity is further provided with an arc-shaped opening section (2-1a) used for limiting the range of the rotation angle of the mounting end of the support piece, and the mounting end of each support piece penetrates through the arc-shaped opening section (2-1a) to be connected with the driving shaft.
5. The flexible display device according to claim 4, wherein the support member comprises at least one hinge assembly, each hinge assembly comprising a plurality of hinge units (41), each hinge unit (41) of the same hinge assembly being hinged in turn, an end hinge unit on the same side of each hinge assembly being connected to the bushing (2-4) or the drive shaft of the motor (2-5) on the respective side.
6. The flexible display device according to claim 5, wherein the number of the sleeves (2-4) is two, the sleeves are respectively disposed on two sides of the flexible display panel (1), the number of the motors (2-5) is also two, the driving shafts of the two motors (2-5) are respectively coaxial with the two sleeves (2-4), and the motors (2-5) drive the end hinge units of the corresponding sleeves (2-4) and the hinge assemblies on the side to synchronously rotate.
7. The flexible display device according to claim 6, wherein the hinge assembly comprises at least a first hinge assembly (4 ') and a second hinge assembly (4) arranged in parallel and respectively disposed near both ends of the casing (2-4), the driving shaft having attached thereto a first engaging tooth and a second engaging tooth which are disposed at an interval in the axial direction, an end hinge unit of the first hinge assembly (4') comprising a through hole having an annular gear with which the first engaging tooth is engaged and engaged, the second engaging tooth being engaged and engaged with the casing (2-4); one end hinge unit of the second hinge assembly (4) is fixedly connected with the sleeves (2-4).
8. The flexible display device according to claim 7, wherein the through hole comprises an inner gear ring section (2-71) and a smooth section, the inner gear ring section (2-71) being in a meshing fit with the first toothing and the smooth section being in a nested fit with an end shaft section (2-42) of the sleeve (2-4).
9. The flexible display device according to claim 5, wherein each hinge unit (41) comprises a supporting surface and a back surface, the supporting surface is used for supporting and mounting with the flexible display panel (1), one of the two hinge units is provided with a mounting groove (411) on the back surface, the other hinge unit is provided with a hinge projection (412), the mounting groove (411) comprises two side walls and a bottom wall connecting the two side walls, the hinge projection (412) is located inside the mounting groove (411) and is hinged with the two side walls; when the hinge projection (412) rotates to the maximum rotation angle around the hinge shaft, the hinge projection (412) abuts against the bottom wall (4111) of the mounting groove to limit the rotation of the hinge projection (412).
10. An electronic device characterized by comprising the flexible display device according to any one of claims 1 to 9.
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