CN111768709A - Display device and electronic equipment - Google Patents
Display device and electronic equipment Download PDFInfo
- Publication number
- CN111768709A CN111768709A CN202010682613.3A CN202010682613A CN111768709A CN 111768709 A CN111768709 A CN 111768709A CN 202010682613 A CN202010682613 A CN 202010682613A CN 111768709 A CN111768709 A CN 111768709A
- Authority
- CN
- China
- Prior art keywords
- fixed
- flexible screen
- sliding
- shaft
- display device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The embodiment of the invention provides a display device and electronic equipment, and belongs to the technical field of display. The display device includes: the device comprises a sliding machine shell, a fixed machine shell, a flexible screen and a conveying assembly; the sliding machine shell is connected with the fixed machine shell in a sliding way; the conveying assembly comprises a rolling shaft, a pre-tightening shaft and a transmission part; the roller bearing, pretension axle all articulate with the slip casing, and the driving medium is fixed in the inside of fixed casing, and the first end of flexible screen is fixed on fixed casing, and the flexible screen covers the top surface of fixed casing, and the second end coiling roller bearing of flexible screen is fixed on the driving medium, and the pretension axle is located between roller bearing and the driving medium, and the top surface of pretension axle supports and presses the flexible screen. Like this, the surface of pretension axle supports the flexible screen all the time, and then has increased the area of contact between flexible screen and the roller bearing, makes the flexible screen receive the holding power of pretension axle all the time simultaneously, can make the flexible screen coincide with the surface of roller bearing all the time under the effect of the holding power of pretension axle.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display device and an electronic apparatus.
Background
With the continuous development of display technology, the demands of users for the display effect of display devices are increasingly diversified. With the application of flexible display screens, the display devices are increasingly pursuing practicability and individuality, for example, the display scale of the display device is changed to realize the switching of different functional modes of the display device.
At present, display device includes flexible screen and equipment casing, is provided with the pivot in the equipment casing, and the first end of flexible screen is fixed on the equipment casing, and the second end of flexible screen is around establishing in the pivot, and is rotatory through the pivot, can change the area that the flexible screen covered on the equipment casing to the effect of the demonstration proportion of realization change display device.
However, in the process of implementing the present application, the inventors found that at least the following problems exist in the prior art: on the one hand, because the flexible screen is at the in-process of revolving the rotation shaft rotation, can be because the internal stress produces the deformation resistance, lead to the flexible screen can't to coincide with the surface of pivot for the first end perk of flexible screen influences the flatness of screen, and the flexible screen perk can lead to the contact surface of flexible screen and pivot to reduce, the coiling in-process flexible screen appears easily and slides with the pivot surface, long-term use causes the screen damage easily, and then reduces display device's life.
Disclosure of Invention
In view of the above problems, embodiments of the present invention are proposed to provide a display device and an electronic apparatus that overcome or at least partially solve the above problems.
In order to solve the above problem, a first aspect of the present invention provides a display device including: the device comprises a sliding machine shell, a fixed machine shell, a flexible screen and a conveying assembly;
the sliding machine shell is connected with the fixed machine shell in a sliding mode;
the conveying assembly comprises a rolling shaft, a pre-tightening shaft and a transmission part;
the roller bearing the pretension axle all with the slip casing is articulated, the driving medium is fixed the inside of fixed casing, the first end of flexible screen is fixed on the fixed casing, the flexible screen covers the top surface of fixed casing, the second end of flexible screen is convoluteed the roller bearing is fixed on the driving medium, the pretension axle is located the roller bearing with between the driving medium, just the top surface of pretension axle supports and presses the flexible screen.
Optionally, the display device further comprises a driving assembly, and the transmission piece comprises a transmission gear and a rack;
the driving gear is meshed with the rack, the driving assembly is connected with the driving gear, the driving assembly is arranged in the fixed machine shell and drives the driving gear to rotate, and the second end of the flexible screen is fixed on the non-tooth surface of the rack;
under the driving of the transmission gear, the rack is switched between a first state and a second state, in the first state, the rack moves along a first direction, in the second state, the rack moves along a second direction, wherein the first direction is a direction in which the rack is far away from the pre-tightening shaft, and the second direction is a direction in which the rack is close to the pre-tightening shaft.
Optionally, in the first state, both ends of the rack are located inside the fixed casing, and in the second state, one end of the rack close to the pre-tightening shaft is located inside the sliding casing.
Optionally, the display device further comprises a control assembly, and the driving assembly is a driving motor;
the control assembly is arranged in the fixed machine shell and is electrically connected with the driving motor;
the transmission gear is connected with an output shaft of the driving motor, and the control assembly controls the driving motor to rotate.
Optionally, the diameter of the pre-tightening shaft is smaller than the diameter of the rolling shaft.
Optionally, the pre-tightening shaft comprises a shaft sleeve and a shaft core;
the shaft core is fixed on the sliding machine shell, the shaft sleeve is sleeved on the shaft core and rotates along the circumferential surface of the shaft core, and the shaft sleeve is made of flexible materials.
Optionally, the sliding housing includes an upper cover and a lower cover;
the upper cover with lower cover fixed connection, the tip of upper cover with there is the installation breach in the hookup location of the tip of lower cover, the roller bearing articulates installation breach department, just the generating line at roller bearing top with the surface of upper cover is in the coplanar.
Optionally, a first gear is arranged at the end of the rolling shaft, a second gear is arranged at the end of the pre-tightening shaft, and the first gear is meshed with the second gear.
Optionally, the linear speed of the first gear is equal to the linear speed of the second gear.
Optionally, the first gear is arranged at both ends of the rolling shaft, and the second gear is arranged at both ends of the pre-tightening shaft.
Optionally, a sliding rail is arranged on the inner wall of the fixed casing, and a sliding block is arranged on the outer wall of the sliding casing;
the sliding block is connected in the sliding rail in a sliding mode and slides along the length direction of the sliding rail, and the length direction of the sliding rail is consistent with the sliding direction of the sliding machine shell.
Optionally, the display device further comprises a first bearing and a second bearing;
the first bearing and the second bearing are fixed inside the sliding casing, the first bearing is sleeved on the rolling shaft, and the second bearing is sleeved on the pre-tightening shaft.
In a second aspect, the present invention further provides an electronic device, which includes the display device according to any one of the first aspect.
The embodiment of the invention has the following advantages:
in the embodiment of the invention, the first end of the flexible screen is fixed on the fixed shell, the second end of the flexible screen is wound around the roller and fixed on the transmission piece, the pre-tightening shaft is hinged between the roller and the transmission piece, and the outer surface of the pre-tightening shaft is pressed against the flexible screen. Thus, when the display proportion of the display device needs to be increased, the sliding casing can be pulled towards the direction far away from the fixed casing, the flexible screen positioned in the sliding casing is pressed by the sliding casing and pulled out along the outer surface of the pre-tightening shaft and the outer surface of the rolling shaft, in the pulling-out process, the flexible screen and the rolling shaft are wound, so that the flexible screen and the outer surface of the rolling shaft rotate clockwise under the action of friction force, further the part of the flexible screen positioned in the sliding casing is guided by the rolling shaft, and the flexible screen is always pressed by the outer surface of the pre-tightening shaft in the pulling-out process, so that the flexible screen sequentially passes through the rolling shaft and the pre-tightening shaft, the wrapping angle between the flexible screen and the rolling shaft can be increased, further the contact area between the flexible screen and the rolling shaft is increased, further the friction force between the flexible screen and the rolling shaft is increased, and the slipping between the flexible screen and the rolling shaft in the, and then can avoid the flexible screen damage that causes because of skidding to improve the practical life of flexible screen. Meanwhile, the outer surface of the top of the pre-tightening shaft always supports against the flexible screen in the pulling-out or retracting process, so that the flexible screen always receives the supporting force of the pre-tightening shaft, after the flexible screen is pulled out, the flexible screen can be always matched with the outer surface of the rolling shaft under the action of the supporting force of the pre-tightening shaft, the tilting of the part of the flexible screen, which is located on the rolling shaft, can be avoided, and the flatness of the flexible screen is further improved.
Drawings
FIG. 1 is a schematic view of a display device according to the present invention in a first state;
FIG. 2 is a schematic structural diagram of a display device in a second state according to the present invention;
FIG. 3 is an expanded view of a flexible screen of a display device according to the present invention in a first state
FIG. 4 is a schematic diagram of a conveying assembly included in a display device according to the present invention;
fig. 5 is a partially enlarged schematic view of a roller and a preload shaft included in a display device of the present invention;
fig. 6 is another partially enlarged view of a roller and a preload roller included in a display device of the present invention.
Description of reference numerals: 1-a sliding housing; 2-fixing the housing; 3-a flexible screen; 4-a transfer assembly; 11-upper cover; 12-lower cover; 5-a drive assembly; 41-a roller; 42-pre-tightening the shaft; 43-a transmission member; 411-a first gear; 412-a first bearing; 421-a second gear; 422-a second bearing; 423-shaft sleeve; 424-axle core; 431-gear; 432-rack.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
A display device according to a first embodiment of the present invention is provided, and referring to fig. 1 to 2, a schematic structural diagram of the display device according to the present invention is shown, as shown in fig. 1 to 2, the display device includes a sliding housing 1, a fixed housing 2, a flexible screen 3, and a conveying assembly 4; the sliding machine shell 1 is connected with the fixed machine shell 2 in a sliding way; the conveying assembly 4 comprises a roller 41, a pre-tightening shaft 42 and a transmission member 43; the transmission piece 43 is fixed inside the fixed casing 2, the first end of the flexible screen 3 is fixed on the fixed casing 2, the flexible screen 3 covers the outer surface of the top of the fixed casing 2, the second end of the flexible screen 3 is wound around the roller 41 and fixed on the transmission piece 43, the pre-tightening shaft 42 is positioned between the roller 41 and the transmission piece 43, and the outer surface of the top of the pre-tightening shaft 42 is pressed against the flexible screen 3.
The sliding housing 1 and the fixed housing 2 are both shells with inner cavities, and the inner cavities of the sliding housing 1 and the fixed housing 2 are used for assembling electronic devices. It should be noted that the material of the sliding housing 1 and the material of the fixed housing 2 may be one or more of engineering plastics, alloy materials or glass materials with certain impact resistance.
For example, in the case that the material of the sliding housing 1 and the material of the fixed housing 2 are engineering plastics, the material of the sliding housing 1 and the material of the fixed housing 2 may be one or more of polycarbonate, acrylonitrile-butadiene-styrene copolymer, or engineering plastic alloy of polycarbonate and acrylonitrile-butadiene-styrene copolymer, and since such materials have easy processability and good mechanical strength, they may play a role in protecting internal electronics. However, since the heat conductivity of the material is poor, if the heat conductivity of the sliding housing 1 and the fixed housing 2 is considered, aluminum alloy, magnesium alloy, aluminum-magnesium alloy or the like can be used, which has high strength and a certain heat conductivity, so that the sliding housing 1 and the fixed housing 2 have good impact resistance and good heat conductivity. In addition, if do not consider the surface elasticity and the fragility of sliding housing 1 and fixed housing 2, sliding housing 1 and fixed housing 2 can adopt glass material, because glass material has certain sense of penetrating, compare in alloy material coloring more easily and also lower to wireless signal's influence, consequently if sliding housing 1 and fixed housing 2 adopt glass material, can set up the inside at sliding housing 1 and fixed housing 2 with the signal emission device, and then improve the outside aesthetic property of sliding housing 1 and fixed housing 2.
In a possible implementation manner, the sliding housing 1 may be a rectangular box with three surfaces, and specifically, the sliding housing 1 may include a bottom plate, a first side plate and a second side plate opposite to the bottom plate, and the bottom plate is perpendicular to the first side plate and the second side plate. Fixed casing 2 is the rectangle box that single-end switched on, and slip casing 1 swing joint is in the inside of fixed casing 2 to make slip casing 1 and fixed casing 2 sliding connection. Thus, when the display scale of the display device needs to be increased, the sliding machine shell 1 can be pulled in the direction away from the fixed machine shell 2, so that the sliding machine shell 1 slides out of the inner cavity of the fixed machine shell 2. When the display scale of the display device needs to be restored, the sliding housing 1 can be pushed in the direction close to the fixed housing 2, so that the sliding housing 1 is accommodated back into the inner cavity of the fixed housing 2.
Specifically, the inner wall of the fixed casing 2 can be provided with a slide rail, and the outer wall of the sliding casing 1 is provided with a slide block; the sliding block is connected in the sliding rail in a sliding mode and slides along the length direction of the sliding rail, and the length direction of the sliding rail is consistent with the sliding direction of the sliding machine shell 1. It should be noted that the length of the slide rail is determined according to the sliding distance of the sliding housing 1. The slide block is fixed on the outer wall of the sliding machine shell 1, the slide rail can be a single slide rail or a plurality of slide rails, the number of the slide blocks can be equal to that of the slide rail or unequal to that of the slide rail, and if a plurality of slide blocks can be arranged in one slide rail. Under the condition that the slide rail is a plurality of slide rails, the slide rails with the same number can be arranged on the two opposite inner walls of the fixed shell 2, so that the stress on the two sides of the sliding shell 1 is equal when the sliding shell slides, and the sliding shell 1 is stable when the sliding shell slides.
Alternatively, an elastic member may be disposed at an end of the sliding housing 1 close to the fixed housing 2, one end of the elastic member is fixed on a sidewall of the fixed housing 2, and the other end of the elastic member is fixed at an end of the sliding housing 1 close to the fixed housing 2. The elastic component can be a compression spring, when the sliding machine shell 1 is accommodated back into the inner cavity of the fixed machine shell 2 again, the sliding machine shell 1 extrudes the spring, the spring is in a compression state, the braking component can be arranged at the position where the spring is arranged on the fixed machine shell 2, one end of the braking component can be clamped or magnetically attracted on the spring, and under the condition of spring compression, the braking component can limit the extension of the spring. It should be noted that the braking member can be a claw or a magnetic switch, and when the elastic member is in a compressed state, the exposed end of the braking member can be pressed, so that the braking member is clamped or magnetically attracted on the spring, and further the extension of the spring is limited. When the sliding machine shell 1 needs to be popped up, the braking piece can be separated from the spring, and then the sliding machine shell can be popped up under the action of the elastic force of the spring, so that the process of manually pulling the sliding machine shell 1 can be omitted.
The first end of the flexible screen 3 is fixed on the fixed housing 2, and the flexible screen 3 covers the top outer surface of the fixed housing 2. Specifically, the first end of the flexible screen 3 can be bonded at the end of the fixed casing 2, and the flexible screen 3 is laid along the length direction of the fixed casing 2, so that the flexible screen 3 covers the outer surface of the top of the fixed casing 2 to form the display surface of the display device. The flexible screen 3 may include a flexible organic light emitting semiconductor and a polymer film, and since the flexible screen 3 may be bent within a certain range due to the lower hardness of the flexible organic light emitting semiconductor and the polymer film, the second end of the flexible screen 3 may be wound around the transmission assembly, and finally accommodated inside the sliding housing 1.
The transfer assembly 4 may comprise a roller 41, a pre-tensioning shaft 42, a transmission element 43. The transmission member 43 is fixed inside the sliding casing 1, and the transmission member 43 may be any one of transmission mechanisms such as a rocker-slider mechanism, a crank-link mechanism, a sprocket feed mechanism, etc., so that the transmission member 43 can transmit in the cavity of the sliding casing 1 and the cavity of the fixed casing 2. The roller 41 and the pre-tightening shaft 42 are hinged to the sliding housing 1, and the pre-tightening shaft 42 is located between the roller 41 and the transmission member 43.
Specifically, as shown in fig. 6, the display device further includes a first bearing 412 and a second bearing 422; the first bearing 412 and the second bearing 422 are fixed inside the sliding housing 1, the first bearing 412 is sleeved on the roller 41, and the second bearing 422 is sleeved on the pre-tightening shaft 42. Thus, since the first bearing 412 is sleeved on the roller 41 and the second bearing 422 is sleeved on the pre-tightening shaft 42, the roller 41 can rotate by taking the axis of the first bearing 412 as a rotating shaft, and the pre-tightening shaft 42 rotates by taking the axis of the second bearing 422 as a rotating shaft, so that the roller 41, the pre-tightening shaft 42 and the sliding housing 1 are hinged.
It should be noted that, because the first end of the flexible screen 3 is fixed on the fixed housing 2, the second end of the flexible screen 3 is wound around the roller 41 and fixed on the transmission member 43, the pre-tightening shaft 42 is hinged between the roller 41 and the transmission member 43, and the outer surface of the pre-tightening shaft 42 presses against the flexible screen 3. Thus, when the display proportion of the display device needs to be increased, the sliding housing 1 can be pulled in the direction away from the fixed housing 2, the flexible screen 3 positioned in the sliding housing 1 is pressed by the sliding housing 1, and is pulled out along the outer surface of the pre-tightening shaft 42 and the outer surface of the roller 41, in the pulling-out process, because the flexible screen 3 and the roller 41 are wound, the outer surfaces of the flexible screen 3 and the roller 41 rotate clockwise under the action of friction force, the part of the flexible screen 3 positioned in the sliding housing 1 is guided by the roller 41, and because the outer surface of the pre-tightening shaft 42 always presses the flexible screen 3 in the pulling-out process, the flexible screen 3 sequentially passes through the roller 41 and the pre-tightening shaft 42, the wrapping angle between the flexible screen 3 and the roller 41 is increased, the contact area between the flexible screen 3 and the roller 41 is increased, and the friction force between the flexible screen 3 and the roller 41 is increased, avoid taking place to skid between flexible screen 3 and the roller bearing 41 at the in-process of pulling out, and then can avoid the flexible screen 3 damage because of skidding causes, and then improve the practical life of flexible screen 3. Meanwhile, the outer surface of the top of the pre-tightening shaft 42 always abuts against the flexible screen 3 in the pulling-out process, so that the flexible screen 3 is always supported by the supporting force of the pre-tightening shaft 42, and then after the flexible screen 3 is pulled out, the flexible screen 3 can be always engaged with the outer surface of the rolling shaft 41 under the supporting force of the pre-tightening shaft 42, so that the part, located on the rolling shaft 41, of the flexible screen 3 can be prevented from being tilted, and the flatness of the flexible screen 3 is improved.
Alternatively, as shown in fig. 4, the sliding housing 1 includes an upper cover 11 and a lower cover 12; the upper cover 11 and the lower cover 12 are fixedly connected, an installation gap exists at the connecting position of the end part of the upper cover 11 and the end part of the lower cover 12, the installation gap is positioned at the top part of the sliding machine cover 1, the rolling shaft 41 is hinged in the installation gap, and a bus at the top part of the rolling shaft 41 and the outer surface of the upper cover 11 are positioned on the same plane.
It should be noted that, because the generatrix on the top of the roller 41 and the outer surface of the upper cover 11 are on the same plane, the flexible screen 3 on the top of the roller 41 and the flexible screen 3 on the upper cover 11 of the sliding housing 1 can be located on the same horizontal plane no matter in the process of pulling out and retracting the flexible screen 3, so as to ensure that no obvious boundary line appears after the flexible screen 3 is pulled out, thereby improving the display effect of the display device.
Optionally, the display device further comprises a driving assembly 5, the transmission member 43 comprises a transmission gear 431 and a rack 432; the transmission gear 431 is meshed with the rack 432, the driving assembly 5 is connected with the transmission gear 431, the driving assembly 5 is arranged inside the fixed machine shell 2, the driving assembly 5 drives the transmission gear 431 to rotate, and the second end of the flexible screen 3 is fixed on the non-tooth surface of the rack 432; the rack 432 is switched, by the driving of the pinion 431, between a first state in which the rack 432 is moved in a first direction and a second state in which the rack 432 is moved in a second direction, wherein the first direction is a direction in which the rack 432 is away from the preload shaft 42 and the second direction is a direction in which the rack 432 is close to the preload shaft 42.
It should be noted that the rack 432 includes a toothed surface and a non-toothed surface, the toothed surface of the rack 432 is engaged with the transmission gear 431, and the second end of the flexible screen 3 is fixed on the non-toothed surface of the rack 432. In the first state, the driving assembly 5 drives the transmission gear 431 to rotate clockwise, so that the rack 432 moves in the first direction under the driving of the transmission gear 431, because the second end of the flexible screen 3 is fixed on the non-tooth surface of the rack 432, the second end of the flexible screen 3 moves along with the rack 432 to the direction away from the pre-tightening shaft 42, and further the flexible screen 3 is pulled back, so that the flexible screen 3 is accommodated back into the inner cavity of the sliding housing 1 again, and meanwhile, because the flexible screen 3 drives the pre-tightening shaft 42 and the rotating shaft to rotate by virtue of friction force, the sliding housing 1 is synchronously retracted and accommodated back into the inner cavity of the fixed housing 2 again. In the second state, the driving assembly 5 drives the transmission gear 431 to rotate counterclockwise, so that the rack 432 moves in the second direction under the driving of the transmission gear 431, and since the second end of the flexible screen 3 is fixed on the non-tooth surface of the rack 432, the second end of the flexible screen 3 moves along with the rack 432 to the direction close to the pre-tightening shaft 42, so that the flexible screen 3 is pulled out, and the display scale of the display device is changed. It should be noted that, as shown in fig. 3, the display device provided in the embodiment of the present invention may be switched between different display scales to meet the display requirements of different users, and for example, the display scale may be 18: 9 and 4: 3, 18: 9 can correspond to the display scale of the mobile phone, 4: 3 may correspond to a display scale of the tablet computer, which is not limited in the embodiment of the present invention.
Alternatively, as shown in fig. 1, in the first state, both ends of the rack 432 are located inside the fixed housing 2, and as shown in fig. 2, in the second state, one end of the rack 432 close to the preload shaft 42 is located inside the sliding housing 1.
It should be noted that, in the first state, since both ends of the rack 432 are located inside the fixed housing 2, a sufficient movement space is provided for the rack 432, and in the second state, since one end of the rack 432 close to the pre-tightening shaft 42 is located inside the sliding housing 1, a pulling-out stroke of the flexible screen 3 can be shortened, so that the display ratio of the display device can be switched more rapidly.
Optionally, the display device further includes a control component, and the driving component 5 is a driving motor; the control component is arranged in the fixed casing 2 and is electrically connected with the driving motor; the transmission gear 431 is connected with an output shaft of the driving motor, and the control assembly controls the rotation of the driving motor.
Specifically, the control assembly can include circuit control elements such as a circuit board assembly and a processor, and thus, the rotation direction and the rotation speed of the output shaft of the driving motor can be controlled through the control assembly, the movement direction and the movement speed of the transmission gear 431 are further controlled, the display proportion of the display device is rapidly switched, the switching response is rapid, and the switching delay is further reduced. It should be noted that, in the case that the control assembly includes the circuit board assembly, the circuit board assembly may be any one of a single panel type printed circuit board, a dual panel type printed circuit board, a four-panel type printed circuit board, a six-panel type printed circuit board, and other multi-layer printed circuit boards, and the circuit board assembly is a flexible circuit board, so that the circuit board assembly can be adapted to a complicated installation environment inside the display device.
Alternatively, as shown in fig. 4, the diameter of the preload shaft 42 is smaller than that of the roller 41.
Specifically, under the condition that the diameter of the pre-tightening shaft 42 is smaller than that of the roller 41, the contact relative area between the flexible screen 3 and the outer surface of the roller 41 can be increased, the friction force between the flexible screen 3 and the roller 41 can be increased, and the slipping between the roller 41 and the flexible screen 3 can be avoided.
Alternatively, the preload shaft 42 may include a sleeve 423 and a core 424; the shaft core 424 is fixed on the sliding housing, the shaft sleeve 423 is sleeved on the shaft core 424, the shaft sleeve 423 rotates along the circumferential surface of the shaft core 424, and the shaft sleeve 423 is made of flexible material.
Specifically, the shaft sleeve 423 can be a circular ring with certain elasticity such as rubber, polyethylene and the like, the shaft sleeve 423 is sleeved on the shaft core 424, and the shaft sleeve 423 rotates along the circumferential surface of the shaft core 424, so that the flexible screen 3 is in contact with the pre-tightening shaft 42 through the shaft sleeve 423, static friction between the flexible screen 3 and the supporting piece can be increased, the flexible screen 3 cannot be scratched, and the service life of the flexible screen 3 is further prolonged.
Alternatively, the end of the roller 41 is provided with a first gear 411, the end of the pre-tightening shaft 42 is provided with a second gear 421, and the first gear 411 and the second gear 421 are engaged.
It should be noted that, by the engagement of the first gear 411 and the second gear 421, the rotation amount of the roller 41 and the rotation amount of the preload shaft 42 can be made equal, so that the roller 41 and the preload shaft 42 rotate synchronously, and the occurrence of slip is further avoided.
Alternatively, the linear speed of the first gear 411 and the linear speed of the second gear 421 are equal.
It should be noted that, by adjusting the transmission ratio of the first gear 411 and the second gear 421, the linear velocity of the first gear 411 and the linear velocity of the second gear 421 can be made equal, and under the condition that the linear velocity of the first gear 411 and the linear velocity of the second gear 421 are equal, the linear velocity of the roller 41 and the linear velocity of the pretightening shaft 42 can be made equal, which is equal to the pulling-out or retracting velocity of the flexible screen 3, thereby realizing the rotation synchronization of the flexible screen 3 and the roller 41, further avoiding the occurrence of slipping, and further reducing the damage to the flexible screen 3. The service life of the flexible screen 3 is improved. In addition, the gear ratio of the first gear 411 and the gear ratio of the second gear 421 may be determined by the number of teeth of the first gear 411 and the number of teeth of the second gear 421, which is not limited in the embodiment of the present invention.
Alternatively, as shown in fig. 3 and 5, both ends of the roller 41 are provided with first gears 411, and both ends of the pre-tightening shaft 42 are provided with second gears 421.
It should be noted that, the first gears 411 are disposed at both ends of the roller 41, and the second gears 421 are disposed at both ends of the pre-tightening shaft 42, so that both ends of the flexible screen 3 are guided by the first gears 411 and the second gears 421, and the situation that the flexible screen 3 is biased to a single side in the process of pulling out or retracting due to a single-side stress in the process of pulling out or retracting the flexible screen 3 is avoided, so that the movement of the flexible screen 3 is more gradual.
As can be seen from the above embodiments, in the present embodiment, since the first end of the flexible screen 3 is fixed on the fixed housing 2, the second end of the flexible screen 3 is wound around the roller 41 and fixed on the transmission member 43, the pre-tightening shaft 42 is hinged between the roller 41 and the transmission member 43, and the outer surface of the pre-tightening shaft 42 presses against the flexible screen 3. Thus, when the display scale of the display device needs to be increased, the sliding housing 1 can be pulled in the direction away from the fixed housing 2, the flexible screen 3 located inside the sliding housing 1 is pressed by the sliding housing 1, and pulled out along the outer surface of the pre-tightening shaft 42 and the outer surface of the roller 41, in the pulling-out process, because the flexible screen 3 and the roller 41 are wound, the flexible screen 3 and the outer surface of the roller 41 rotate clockwise under the action of friction force, and further the part of the flexible screen 3 located inside the sliding housing 1 is guided by the roller 41, and because the outer surface of the pre-tightening shaft 42 always presses against the flexible screen 3 in the pulling-out process, the flexible screen 3 sequentially passes through the roller 41 and the pre-tightening shaft 42, and further the wrapping angle between the flexible screen 3 and the roller 41 can be increased, and further the contact area between the flexible screen 3 and the roller 41 is increased, and thus the friction force is increased, avoid taking place to skid between flexible screen 3 and the roller bearing 41 at the in-process of pulling out, and then can avoid the flexible screen 3 damage because of skidding causes, and then improve the practical life of flexible screen 3. Meanwhile, the outer surface of the top of the pre-tightening shaft 42 always supports against the flexible screen 3 in the pulling-out or retracting process, so that the flexible screen 3 is always supported by the supporting force of the pre-tightening shaft 42, and then after the flexible screen 3 is pulled out, the flexible screen 3 can be always engaged with the outer surface of the roller 41 under the supporting force of the pre-tightening shaft 42, so that the part of the flexible screen 3, which is located on the roller 41, can be prevented from being tilted, and the flatness of the flexible screen 3 is improved.
Example two
The second embodiment of the present invention further provides an electronic device, where the electronic device includes any one of the display devices described in the above embodiments, and the electronic device has the same beneficial effects as those of the display device, and details of the electronic device are not repeated herein.
It should be noted that the electronic device may be: the mobile phone, the tablet computer, the electronic book reader, the MP3 player, the MP4 player, the laptop computer, the car computer, the desktop computer, the set-top box, the smart television, or the wearable device may be used, but the embodiment of the present invention is not limited thereto.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal 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 terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The display device and the electronic device provided by the invention are described in detail, and the principle and the embodiment of the invention are explained by applying specific examples, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (13)
1. A display device, characterized in that the display device comprises: the device comprises a sliding machine shell, a fixed machine shell, a flexible screen and a conveying assembly;
the sliding machine shell is connected with the fixed machine shell in a sliding mode;
the conveying assembly comprises a rolling shaft, a pre-tightening shaft and a transmission part;
the roller bearing the pretension axle all with the slip casing is articulated, the driving medium is fixed the inside of fixed casing, the first end of flexible screen is fixed on the fixed casing, the flexible screen covers the top surface of fixed casing, the second end of flexible screen is convoluteed the roller bearing is fixed on the driving medium, the pretension axle is located the roller bearing with between the driving medium, just the top surface of pretension axle supports and presses the flexible screen.
2. The display device of claim 1, further comprising a drive assembly, the transmission comprising a pinion and a rack;
the driving gear is meshed with the rack, the driving assembly is connected with the driving gear, the driving assembly is arranged in the fixed machine shell and drives the driving gear to rotate, and the second end of the flexible screen is fixed on the non-tooth surface of the rack;
under the driving of the transmission gear, the rack is switched between a first state and a second state, in the first state, the rack moves along a first direction, in the second state, the rack moves along a second direction, wherein the first direction is a direction in which the rack is far away from the pre-tightening shaft, and the second direction is a direction in which the rack is close to the pre-tightening shaft.
3. The display device according to claim 2, wherein in the first state, both ends of the rack are located inside the fixed housing, and in the second state, one end of the rack near the preload shaft is located inside the sliding housing.
4. The display device according to claim 2, further comprising a control component, wherein the driving component is a driving motor;
the control assembly is arranged in the fixed machine shell and is electrically connected with the driving motor;
the transmission gear is connected with an output shaft of the driving motor, and the control assembly controls the driving motor to rotate.
5. The display device according to claim 1, wherein the diameter of the preload shaft is smaller than the diameter of the roller.
6. The display device of claim 1, wherein the pre-tensioned shaft comprises a bushing and a shaft core;
the shaft core is fixed on the sliding machine shell, the shaft sleeve is sleeved on the shaft core and rotates along the circumferential surface of the shaft core, and the shaft sleeve is made of flexible materials.
7. The display device according to claim 1, wherein the sliding housing includes an upper cover and a lower cover;
the upper cover with lower cover fixed connection, the tip of upper cover with there is the installation breach in the hookup location of the tip of lower cover, the roller bearing articulates installation breach department, just the generating line at roller bearing top with the surface of upper cover is in the coplanar.
8. The display device according to claim 1, wherein a first gear is provided at an end of the roller, a second gear is provided at an end of the pre-tightening shaft, and the first gear and the second gear are engaged.
9. The display device of claim 8, wherein the linear velocity of the first gear and the linear velocity of the second gear are equal.
10. The display device according to claim 8, wherein the first gear is provided at both ends of the roller, and the second gear is provided at both ends of the pre-tightening shaft.
11. The display device according to claim 1, wherein a slide rail is disposed on an inner wall of the fixed housing, and a slider is disposed on an outer wall of the sliding housing;
the sliding block is connected in the sliding rail in a sliding mode and slides along the length direction of the sliding rail, and the length direction of the sliding rail is consistent with the sliding direction of the sliding machine shell.
12. The display device of claim 1, further comprising a first bearing and a second bearing;
the first bearing and the second bearing are fixed inside the sliding casing, the first bearing is sleeved on the rolling shaft, and the second bearing is sleeved on the pre-tightening shaft.
13. An electronic device characterized in that the electronic device comprises the display device according to any one of claims 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010682613.3A CN111768709B (en) | 2020-07-15 | 2020-07-15 | Display device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010682613.3A CN111768709B (en) | 2020-07-15 | 2020-07-15 | Display device and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111768709A true CN111768709A (en) | 2020-10-13 |
| CN111768709B CN111768709B (en) | 2023-08-01 |
Family
ID=72725685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010682613.3A Active CN111768709B (en) | 2020-07-15 | 2020-07-15 | Display device and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111768709B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112396970A (en) * | 2020-12-11 | 2021-02-23 | 合肥维信诺科技有限公司 | Display device |
| CN112599009A (en) * | 2020-12-16 | 2021-04-02 | 维沃移动通信有限公司 | Electronic device |
| CN112797277A (en) * | 2021-01-27 | 2021-05-14 | 昆山国显光电有限公司 | Supporting structural part and display device |
| CN112882540A (en) * | 2021-02-07 | 2021-06-01 | 维沃移动通信有限公司 | Electronic device |
| CN112991955A (en) * | 2021-03-12 | 2021-06-18 | 武汉华星光电半导体显示技术有限公司 | Flexible display module and flexible display device |
| CN113259511A (en) * | 2021-05-14 | 2021-08-13 | 维沃移动通信有限公司 | Electronic device |
| CN113364905A (en) * | 2021-06-08 | 2021-09-07 | 维沃移动通信有限公司 | Electronic device |
| CN113707017A (en) * | 2021-08-24 | 2021-11-26 | 联想(北京)有限公司 | Stretching mechanism with flexible structure and electronic equipment |
| CN114637374A (en) * | 2022-03-30 | 2022-06-17 | 湖北长江新型显示产业创新中心有限公司 | Flexible screen display device and electronic equipment |
| CN114822226A (en) * | 2021-01-19 | 2022-07-29 | 北京小米移动软件有限公司 | Electronic device |
| CN114913771A (en) * | 2022-03-31 | 2022-08-16 | 联想(北京)有限公司 | Electronic device |
| WO2022193366A1 (en) * | 2021-03-18 | 2022-09-22 | 武汉华星光电半导体显示技术有限公司 | Display apparatus |
| CN115240559A (en) * | 2022-08-15 | 2022-10-25 | 维沃移动通信有限公司 | Electronic device |
| WO2023225969A1 (en) * | 2022-05-26 | 2023-11-30 | 北京小米移动软件有限公司 | Electronic device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102902308A (en) * | 2011-09-02 | 2013-01-30 | 微软公司 | Expandable mobile device |
| CN109979329A (en) * | 2019-04-29 | 2019-07-05 | 武汉华星光电半导体显示技术有限公司 | A kind of flexible display apparatus |
| EP3543824A1 (en) * | 2018-03-21 | 2019-09-25 | InterDigital CE Patent Holdings | Retractable display device |
| CN110322792A (en) * | 2019-06-28 | 2019-10-11 | 昆山国显光电有限公司 | Flexible display apparatus and electronic equipment |
| US20200020255A1 (en) * | 2018-07-13 | 2020-01-16 | Lg Display Co., Ltd. | Flexible display apparatus |
| CN111243440A (en) * | 2020-03-11 | 2020-06-05 | 昆山国显光电有限公司 | Flexible display device |
| CN111243438A (en) * | 2020-02-07 | 2020-06-05 | 武汉华星光电半导体显示技术有限公司 | Display device |
| CN111402731A (en) * | 2020-03-25 | 2020-07-10 | 武汉华星光电半导体显示技术有限公司 | Display device and display apparatus |
-
2020
- 2020-07-15 CN CN202010682613.3A patent/CN111768709B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102902308A (en) * | 2011-09-02 | 2013-01-30 | 微软公司 | Expandable mobile device |
| EP3543824A1 (en) * | 2018-03-21 | 2019-09-25 | InterDigital CE Patent Holdings | Retractable display device |
| US20200020255A1 (en) * | 2018-07-13 | 2020-01-16 | Lg Display Co., Ltd. | Flexible display apparatus |
| CN110718148A (en) * | 2018-07-13 | 2020-01-21 | 乐金显示有限公司 | Flexible display device |
| CN109979329A (en) * | 2019-04-29 | 2019-07-05 | 武汉华星光电半导体显示技术有限公司 | A kind of flexible display apparatus |
| CN110322792A (en) * | 2019-06-28 | 2019-10-11 | 昆山国显光电有限公司 | Flexible display apparatus and electronic equipment |
| CN111243438A (en) * | 2020-02-07 | 2020-06-05 | 武汉华星光电半导体显示技术有限公司 | Display device |
| CN111243440A (en) * | 2020-03-11 | 2020-06-05 | 昆山国显光电有限公司 | Flexible display device |
| CN111402731A (en) * | 2020-03-25 | 2020-07-10 | 武汉华星光电半导体显示技术有限公司 | Display device and display apparatus |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112396970A (en) * | 2020-12-11 | 2021-02-23 | 合肥维信诺科技有限公司 | Display device |
| CN112599009A (en) * | 2020-12-16 | 2021-04-02 | 维沃移动通信有限公司 | Electronic device |
| CN114822226A (en) * | 2021-01-19 | 2022-07-29 | 北京小米移动软件有限公司 | Electronic device |
| CN112797277A (en) * | 2021-01-27 | 2021-05-14 | 昆山国显光电有限公司 | Supporting structural part and display device |
| CN112797277B (en) * | 2021-01-27 | 2022-11-11 | 昆山国显光电有限公司 | Supporting structural part and display device |
| CN112882540A (en) * | 2021-02-07 | 2021-06-01 | 维沃移动通信有限公司 | Electronic device |
| CN112882540B (en) * | 2021-02-07 | 2024-02-02 | 维沃移动通信有限公司 | Electronic equipment |
| CN112991955A (en) * | 2021-03-12 | 2021-06-18 | 武汉华星光电半导体显示技术有限公司 | Flexible display module and flexible display device |
| WO2022193366A1 (en) * | 2021-03-18 | 2022-09-22 | 武汉华星光电半导体显示技术有限公司 | Display apparatus |
| US11880239B2 (en) | 2021-03-18 | 2024-01-23 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display device |
| CN113259511A (en) * | 2021-05-14 | 2021-08-13 | 维沃移动通信有限公司 | Electronic device |
| CN113259511B (en) * | 2021-05-14 | 2024-03-29 | 维沃移动通信有限公司 | Electronic equipment |
| CN113364905B (en) * | 2021-06-08 | 2023-08-08 | 维沃移动通信有限公司 | Electronic equipment |
| CN113364905A (en) * | 2021-06-08 | 2021-09-07 | 维沃移动通信有限公司 | Electronic device |
| CN113707017B (en) * | 2021-08-24 | 2022-08-19 | 联想(北京)有限公司 | Flexible structure's tension mechanism and electronic equipment |
| CN113707017A (en) * | 2021-08-24 | 2021-11-26 | 联想(北京)有限公司 | Stretching mechanism with flexible structure and electronic equipment |
| CN114637374B (en) * | 2022-03-30 | 2024-01-12 | 湖北长江新型显示产业创新中心有限公司 | Flexible screen display device and electronic equipment |
| CN114637374A (en) * | 2022-03-30 | 2022-06-17 | 湖北长江新型显示产业创新中心有限公司 | Flexible screen display device and electronic equipment |
| CN114913771A (en) * | 2022-03-31 | 2022-08-16 | 联想(北京)有限公司 | Electronic device |
| CN114913771B (en) * | 2022-03-31 | 2023-08-18 | 联想(北京)有限公司 | Electronic equipment |
| WO2023225969A1 (en) * | 2022-05-26 | 2023-11-30 | 北京小米移动软件有限公司 | Electronic device |
| CN115240559A (en) * | 2022-08-15 | 2022-10-25 | 维沃移动通信有限公司 | Electronic device |
| CN115240559B (en) * | 2022-08-15 | 2023-10-13 | 维沃移动通信有限公司 | Electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111768709B (en) | 2023-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111768709A (en) | Display device and electronic equipment | |
| US10716228B2 (en) | Support mechanism and mobile terminal | |
| WO2022068211A1 (en) | Foldable apparatus and electronic device | |
| EP4024375B1 (en) | Electronic device | |
| US11567540B2 (en) | Foldable device | |
| US9003606B2 (en) | Synchronous movement device applied to dual-shaft system | |
| US8904601B2 (en) | Synchronous movement device applied to dual-shaft system | |
| US8959720B2 (en) | Synchronous movement device applied to dual-shaft system | |
| US20070146243A1 (en) | Variable-sized screen | |
| US20120212924A1 (en) | Electronic apparatus | |
| CN110471496B (en) | Terminal equipment | |
| CN109862240B (en) | Camera structure and terminal | |
| US6947778B2 (en) | Handheld electronic device | |
| CN113259511B (en) | Electronic equipment | |
| US7997911B2 (en) | Portable electronic device | |
| WO2023125645A1 (en) | Electronic device | |
| CN111314514B (en) | Lifting device and electronic equipment | |
| CN115217838A (en) | Folding device and electronic equipment | |
| WO2023125596A1 (en) | Electronic apparatus | |
| WO2021254008A1 (en) | Electronic device | |
| WO2023274319A1 (en) | Electronic apparatus | |
| CN211123830U (en) | Rotating mechanism and folding display terminal | |
| CN209748673U (en) | Camera module and electronic equipment | |
| CN114017436A (en) | Hinge, flexible display panel and electronic device | |
| CN113643610A (en) | Display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |