CN114677920B - Stretching and resetting mechanism of flexible display device and flexible display device - Google Patents
Stretching and resetting mechanism of flexible display device and flexible display device Download PDFInfo
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- CN114677920B CN114677920B CN202210346733.5A CN202210346733A CN114677920B CN 114677920 B CN114677920 B CN 114677920B CN 202210346733 A CN202210346733 A CN 202210346733A CN 114677920 B CN114677920 B CN 114677920B
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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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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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Abstract
The invention provides a stretching and resetting mechanism of a flexible display device, which comprises a first supporting plate and a second supporting plate which are arranged in parallel, wherein the first supporting plate is movably connected with the second supporting plate, a sliding block is arranged on the first supporting plate, a sliding groove for the sliding block to move in a sliding manner is arranged on the second supporting plate, and the sliding block can slide along the sliding groove under the action of external force, so that the first supporting plate and the second supporting plate can move in opposite directions or opposite directions relative to each other in the transverse direction. The invention also provides a flexible display module comprising the stretching and resetting mechanism, and the flexible display module can be manually pulled out through the cooperation of the sliding groove and the sliding block.
Description
Technical Field
The invention relates to the technical field of display, in particular to a stretching and resetting mechanism of a flexible display device and the stretched flexible display device.
Background
Along with the continuous development of display technology, people put forward higher requirements to the flexible display module, and the size of the display picture of the flexible display module is required to be adjustable. The flexible display module generally comprises a sliding roll mechanism and a flexible display panel, one end of the flexible display panel is connected with a scroll, and when the scroll rotates, the flexible display panel is curled or unfolded, so that a display picture of the flexible display panel can be adjusted.
However, current slide-roll mechanisms are mainly directed to support structures, tensioning systems, driving modes are mainly electric, and there are few designs for manually unfolding a flexible display module.
Disclosure of Invention
In order to solve the technical problems, the invention provides a stretching and resetting mechanism of a flexible display device capable of being pulled manually and the flexible display device.
The first aspect of the invention provides a stretching and resetting mechanism of a flexible display device, which comprises a first support plate and a second support plate which are arranged in parallel, wherein the first support plate is movably connected with the second support plate, a sliding block is arranged on the first support plate, a sliding groove for the sliding block to move in a sliding manner is arranged on the second support plate, and the sliding block can slide along the sliding groove under the action of external force, so that the first support plate and the second support plate can move in opposite or opposite directions relative to each other in the transverse direction.
Further, a plurality of first comb teeth are arranged on the first supporting plate, a first gap portion is formed between two adjacent first comb teeth, a plurality of second comb teeth are arranged on the second supporting plate, a second gap portion is formed between two adjacent second comb teeth, when the first supporting plate and the second supporting plate move relatively to each other, the first comb teeth can be correspondingly inserted into the second gap portion, and the second comb teeth can be correspondingly inserted into the first gap portion.
Further, one end of the first support plate far away from the second support plate is provided with a slot for accommodating a rotating shaft along the longitudinal direction of the first support plate, the rotating shaft is arranged in the slot, and two ends of the rotating shaft are respectively fixed at two longitudinal end parts of the first support plate through bearings.
Further, the rotating shaft is a section difference shaft.
Further, the stretching and resetting mechanism further comprises a first shaft and a second shaft which are arranged in the first supporting plate, parallel to the rotating shaft and opposite to the rotating shaft, the first shaft is located between the rotating shaft and the second shaft, the height of the first shaft is higher than that of the second shaft, pi strips are arranged between the first shaft and the second shaft, the first ends of the Pi strips are fixed on the second supporting plate, and the second ends of the Pi strips are fixed on the flexible display module which bypasses the first shaft, the second shaft and the rotating shaft in sequence.
Further, the stretching and resetting mechanism further comprises a first locking block arranged at one end, far away from the second supporting plate, of the first supporting plate, the first locking block is an elastic locking block, a resetting spring is arranged in the first locking block, a second locking block is arranged at one end, close to the second supporting plate, of the first supporting plate, the second locking block is fixedly connected with the first locking block, when the first locking block is pressed down, the second locking block can be driven to generate certain displacement in the height direction, and when the first locking block is loosened, the second locking block can restore to the original position.
Further, the stretching and resetting mechanism further comprises a damper, and two ends of the damper are respectively fixed on the first supporting plate and the second supporting plate.
The second aspect of the invention provides a flexible display device, which comprises a fixed bottom plate, stretching and resetting mechanisms and a flexible display module, wherein two stretching and resetting mechanisms are symmetrically fixed on the fixed bottom plate,
the stretching and resetting mechanism comprises a first supporting plate and a second supporting plate which are arranged in parallel, the stretching and resetting mechanism which is symmetrically arranged is fixed on the fixed bottom plate through the second supporting plate, the flexible display module is arranged above the stretching and resetting mechanism, two ends of the flexible display module are respectively fixed on the two first supporting plates of the stretching and resetting mechanism, the first supporting plates are movably connected with the second supporting plates, a sliding block is arranged on the first supporting plates, sliding grooves for sliding movement of the sliding block are arranged on the second supporting plates, the sliding block can slide along the sliding grooves under the action of external force, and therefore the first supporting plates and the second supporting plates can move along the transverse directions opposite to each other or opposite directions.
Further, one end of the first support plate far away from the second support plate is provided with a slot for accommodating a rotating shaft along the longitudinal direction of the first support plate, the rotating shaft is arranged in the slot, two ends of the rotating shaft are respectively fixed at two longitudinal end parts of the first support plate through bearings, and one end part of the flexible display module is fixed in the first support plate by bypassing the rotating shaft.
Further, the flexible display device further comprises a tensioning mechanism arranged in the first supporting plate, the tensioning mechanism comprises a first shaft and a second shaft which are parallel to the rotating shaft and are oppositely arranged, the first shaft is located between the second shafts, the height of the first shaft is higher than that of the second shaft, pi strips are arranged between the first shaft and the second shaft, the first ends of the Pi strips are fixed on the second supporting plate, and the second ends of the Pi strips are fixed on the flexible display module which bypasses the rotating shaft and bypasses the first shaft and the second shaft in sequence.
Further, a plurality of first comb teeth are arranged on the first supporting plate, a first gap portion is formed between two adjacent first comb teeth, a plurality of second comb teeth are arranged on the second supporting plate, a second gap portion is formed between two adjacent second comb teeth, when the first supporting plate and the second supporting plate move relatively to each other, the first comb teeth can be correspondingly inserted into the second gap portion, and the second comb teeth can be correspondingly inserted into the first gap portion.
Further, the flexible display device further comprises a locking mechanism, the locking mechanism comprises a first locking block arranged at one end, far away from the second supporting plate, of the first supporting plate, the first locking block is an elastic locking block, a reset spring is arranged in the first locking block, a second locking block is arranged at one end, close to the second supporting plate, of the first supporting plate, the second locking block is fixedly connected with the first locking block, when the first locking block is pressed down, the second locking block can be driven to generate certain displacement in the height direction, when the first locking block is loosened, the second locking block can be restored to the original position, a locking groove matched with the second locking block is formed in the fixed bottom plate, and when the second locking block is restored to the original position, the second locking block is just embedded into the locking groove.
Further, the flexible display device further comprises a damper, and two ends of the damper are respectively fixed on the first support plate and the second support plate.
Further, the rotating shaft is a section difference shaft.
Further, the second support plates of the two symmetrical stretching and resetting mechanisms are formed into a whole.
Compared with the prior art, the stretching and resetting mechanism and the flexible display module have the following advantages:
1. through spout and slider cooperation, can manually pull open flexible display module assembly, the cooperation of the first backup pad of tooth comb-shaped's braced system and second backup pad provides the support and can prevent that the display module assembly from overturning for the module.
2. The tensioning system is arranged, so that tension can be continuously applied to the flexible display module in the unfolding process of the flexible display module, and the flexible display module is ensured to be flattened.
3. The locking and unlocking system is arranged, so that the flexible display module can be kept in a stable unfolding or tightening state.
4. The bottom is provided with the attenuator, can avoid the expansion speed too fast in order to protect flexible display module assembly.
The above technical features can be combined in various technically feasible ways to create new embodiments as long as the object of the invention is achieved.
Drawings
The invention will be described in more detail hereinafter on the basis of an embodiment which is only non-limiting and with reference to the accompanying drawings. Wherein:
fig. 1 shows a structural exploded view of a flexible display device according to the present invention;
FIG. 2 is a block diagram showing a stretching and resetting mechanism of the flexible display device of FIG. 1;
FIG. 3 is an exploded view of the spindle of the stretching and resetting mechanism of FIG. 2;
FIG. 4 is a block diagram of the tensioning mechanism of the tension and reset mechanism of FIG. 2;
FIG. 5 shows a rolled state diagram of the flexible display device of the present application;
FIG. 6 is a block diagram showing the locked state of the rolled state of FIG. 5;
FIG. 7 is a block diagram showing the unlocked state of the rolled state of FIG. 5;
FIG. 8 shows a flexible display device of the present application in an expanded state;
FIG. 9 is a view showing a locked state of the unfolded state shown in FIG. 8;
fig. 10 is a view showing an unlock state construction of the unfolded state shown in fig. 8.
In the drawings, like components are denoted by like reference numerals. The figures are not drawn to scale.
Wherein, the reference numerals are as follows:
1. a first support plate; 1.1, a sliding block; 1.2, a first tooth comb; 1.3 a first gap portion; 1.4, a bearing; 1.5 rolling shafts; 1.6, a first support plate detachable plate; 1.7, bearing holes; 1.8, a bearing end cover; 1.9, a first supporting plate bottom plate; 2. a second support plate; 2.1, a chute; 2.2, a second tooth comb; 2.3, a second gap part; 2.4, a first shaft; 2.5, a second shaft; 2.6, pi strips; 3. a fixed bottom plate; 3.1, a damper; 3.2, a first locking block; 3.3, a deployed state locking groove; 3.4, tightening the locking groove; 3.5, a second locking block; 4. a flexible display module; 4.1 the flexible display module bypasses one end of the rotating shaft.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific examples. It should be noted that, as long as no conflict is formed, each embodiment of the present invention and each feature of each embodiment may be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.
The parts not described in the invention can be realized by adopting or referring to the prior art.
As shown in fig. 1-4, the first invention provides a stretching and resetting mechanism for a flexible display device, and as shown in fig. 2, the stretching and resetting mechanism comprises a first support plate 1 and a second support plate 2 which are arranged in parallel, wherein the first support plate 1 is movably connected with the second support plate 2, a sliding block 1.1 is arranged on the first support plate 1, a sliding groove 2.1 for the sliding movement of the sliding block 1.1 is arranged on the second support plate 2, and the sliding block 1.1 can slide along the sliding groove 2.1 under the action of external force, so that the first support plate 1.1 and the second support plate 2.2 can move in opposite directions or opposite directions relative to each other along the transverse direction.
According to the stretching and resetting mechanism, the first supporting plate and the second supporting plate are matched with the sliding grooves through the sliding blocks, and the stretching and resetting mechanism is manually operated to be stretched or contracted.
As shown in fig. 2, in a preferred embodiment, a plurality of first comb teeth 1.2 are disposed on the first support plate 1, a first gap portion 1.3 is formed between two adjacent first comb teeth 1.2, a plurality of second comb teeth 2.2 are disposed on the second support plate 2, a second gap portion 2.3 is formed between two adjacent second comb teeth 2.2, when the first support plate 1 and the second support plate 2 move relatively to each other, the first comb teeth 1.1 can be correspondingly inserted into the second gap portion 2.3, and the second comb teeth 2.2 can be correspondingly inserted into the first gap portion 1.3. The T-shaped first comb teeth 1.2 and the second comb teeth 2.2 are matched, so that support can be provided for the flexible module and overturning can be prevented.
As shown in fig. 3, in a preferred embodiment, one end of the first support plate 1 remote from the second support plate 2 is provided with a slot accommodating a rotation shaft 1.5 in the longitudinal direction of the first support plate 1, the rotation shaft 1.5 is provided in the slot, and both ends of the rotation shaft 1.5 are fixed to both ends of the first support plate 1 in the longitudinal direction by bearings 1.4, respectively.
Specifically, the end portion of the first support plate 1 far away from the second support plate 2 is in a detachable state along the longitudinal direction of the end portion, a space for accommodating the rotating shaft 1.5 is formed between the first support plate detachable plate 1.6 and the rest plate of the first support plate, a bearing hole 1.7 is formed in the first support plate 1, two ends of the rotating shaft 1.5 are fixed on the first support plate 1 through bearings 1.4, and bearing end covers 1.8 are arranged outside the bearing holes 1.4 to protect the bearings 1.4.
Preferably, the shaft 1.5 is a differential shaft, and between the segments of the shaft, the first support plate 1 may extend beyond the extended segment to cover the shaft 1.5.
As shown in fig. 4, the stretching and resetting mechanism of the present invention further includes a first shaft 2.4 and a second shaft 2.5 disposed in the first support plate 1 and parallel to and opposite to the rotating shaft, the first shaft 2.4 is located between the second shafts 2.5, the height of the first shaft 2.4 is higher than that of the second shaft 2.5, pi bars 2.6 are disposed between the first shaft 2.4 and the second shaft 2.5, a first end of each Pi bar 2.6 is fixed on the second support plate 2, and a second end of each Pi bar 2.6 sequentially bypasses the first shaft 2.4 and the second shaft 2.5 and is fixed with one end 4.1 of the flexible display module bypassing the rotating shaft.
As shown in fig. 5 to 10, the stretching and resetting mechanism of the invention further comprises a first locking block 3.2 arranged at one end of the first supporting plate 1 far away from the second supporting plate 2, wherein the first locking block 3.2 is an elastic locking block, and a resetting spring is arranged in the first locking block 3.2, so that the first locking block 3.2 can be ensured to be always in a locking position. The one end that first backup pad 1 board is close to second backup pad 2 is provided with second locking piece 3.5, and second locking piece 3.5 and first locking piece 3.2 fixed connection can drive second locking piece 3.5 and produce certain displacement in the direction of height upwards when pressing first locking piece 3.2, and when loosening first locking piece 3.2, second locking piece 3.5 can resume the normal position.
In a preferred embodiment, the stretching and resetting mechanism of the present invention further comprises a damper 3.1, wherein both ends of the damper 3.1 are respectively fixed to the bottom of the first support plate 1 and the bottom of the second support plate 2.
A second aspect of the present invention provides a flexible display device comprising a fixed base plate 3, stretching and resetting mechanisms, and a flexible display module 4, two stretching and resetting mechanisms being symmetrically fixed on the fixed base plate 3,
the stretching and resetting mechanism comprises a first supporting plate 1 and a second supporting plate 2 which are arranged in parallel, the two stretching and resetting mechanisms which are symmetrically arranged are fixed on a fixed bottom plate 3 through the second supporting plate 2, a flexible display module 4 is arranged above the stretching and resetting mechanisms, two ends of the flexible display module are respectively fixed on the first supporting plate 1 of the two stretching and resetting mechanisms, the first supporting plate 1 is movably connected with the second supporting plate 2, a sliding block 1.1 is arranged on the first supporting plate 1, a sliding groove 2.1 for the sliding movement of the sliding block 1.1 is arranged on the second supporting plate 2, the sliding block 1.1 can slide along the sliding groove 2.1 under the action of external force, and therefore the first supporting plate 1 and the second supporting plate 2 can move transversely relative to each other in opposite directions, so that the flexible display device can be unfolded or tightened.
In a preferred embodiment, one end of the first support plate 1, which is far from the second support plate 2, is provided with a slot for accommodating a rotating shaft 1.5 along the longitudinal direction of the first support plate 1, the rotating shaft 1.5 is arranged in the slot, two ends of the rotating shaft 1.5 are respectively fixed at two longitudinal ends of the first support plate 1 through bearings 1.4, and the end of the flexible display module 4 is fixed in the first support plate 1 by bypassing the rotating shaft.
Preferably, referring to fig. 3, the end of the first support plate 1 far from the second support plate 2 is in a detachable state along the longitudinal direction thereof, a space for accommodating the rotating shaft 1.5 is formed between the first support plate detachable plate 1.6 and the rest of the first support plate, a bearing hole 1.7 is provided on the first support plate 1, both ends of the rotating shaft 1.5 are fixed on the first support plate 1 through bearings 1.4, and a bearing end cover 1.8 is provided outside the bearing hole 1.4 to protect the bearings 1.4.
The shaft 1.5 is preferably a differential shaft, and between the segments of the shaft 1.5, the first support plate 1 may extend beyond the extension segment to cover the shaft 1.5.
In a more preferred embodiment, the flexible display device of the present invention further includes a tensioning mechanism disposed in the first support plate, the tensioning mechanism is disposed in the first support plate 1, and is a first shaft 2.4 and a second shaft 2.5 disposed parallel to and opposite to the rotation shaft, the first shaft 2.4 is located between the second shafts 2.5, the first shaft 2.4 is located at a height higher than the second shaft 2.5, a Pi bar 2.6 is disposed between the first shaft 2.4 and the second shaft 2.5, a first end of the Pi bar 2.6 is fixed on the second support plate 2, and a second end of the Pi bar 2.6 bypasses the first shaft 2.4, the second shaft 2.5 in sequence, and is fixed with the flexible display module bypassing one end 4.1 of the rotation shaft. Pi strip is fixed mutually with flexible display module, and tensioning Pi strip can be for the continuous pulling force that applys of module, guarantees that the module expands or the tensioning in-process keeps the exhibition state.
As shown in fig. 2, more preferably, the first support plate 1 is provided with a plurality of first comb teeth 1.2, a first gap portion 1.3 is formed between two adjacent first comb teeth 1.2, the second support plate 2 is provided with a plurality of second comb teeth 2.2, a second gap portion 2.3 is formed between two adjacent second comb teeth 2.2, when the first support plate 1 and the second support plate 2 relatively move with respect to each other, the first comb teeth 1.1 can be correspondingly inserted into the second gap portion 2.3, and the second comb teeth 2.2 can be correspondingly inserted into the first gap portion 1.3. The T-shaped first comb teeth 1.2 and the second comb teeth 2.2 are matched, so that support can be provided for the flexible module and overturning can be prevented.
Preferably, the flexible display device of the present invention may further include a locking mechanism, wherein the first support plate 1 is a first locking block 3.2 at an end far away from the second support plate 2, the first locking block 3.2 is an elastic locking block, and a return spring is disposed in the first locking block 3.2, so that the first locking block 3.2 is ensured to be in a locking position all the time. The one end that first backup pad 1 board is close to second backup pad 2 is provided with second locking piece 3.5, and second locking piece 3.5 and first locking piece 3.2 fixed connection can drive second locking piece 3.5 and produce certain displacement in the direction of height upwards when pressing first locking piece 3.2, and when loosening first locking piece 3.2, second locking piece 3.5 can resume the normal position. The fixed bottom plate 3 is provided with a locking groove matched with the second locking block 3.5, and when the first locking block 3.2 is released, the second locking block 3.5 is just embedded into the locking groove when the second locking block is restored to the original position.
Fig. 5-7 illustrate the flexible display device of the present application in a contracted state. Fig. 6 and 7 show the locked and unlocked states of the locking mechanism in the tightened state, respectively. As shown in fig. 6, the first locking block 3.2 is provided with a return spring, so that the first locking block 3.2 is always located at a locking position, the first locking block 3.2 is fixedly connected with the second locking block 3.5, and when the first locking block 3.2 is located at the locking position, the second locking block 3.5 is embedded into the tightening state locking groove 3.4 of the fixed bottom plate 3, thereby limiting the movement of the first supporting plate 1 and achieving the locking purpose.
When the first locking block 3.2 is pressed, the second locking block 3.5 is driven to move upwards to generate a certain displacement, so that the second locking block 3.5 is separated from the locking groove 3.4 in the tightening state, as shown in fig. 7, therefore, the first supporting plate can move relative to the fixed bottom plate 3, and meanwhile, the space left by pressing the first locking block 3.2 can be used as a force application point of fingers, so that the whole machine is pulled open more conveniently.
Fig. 8 to 10 show the flexible display device of the present application in the unfolded state of the whole machine. Fig. 9 and 10 show the locked and unlocked states of the locking mechanism in the tightened state, respectively. When the first supporting plate is pulled to a designated position, the second locking block 3.5 is located above the unfolding state locking groove 3.3, at the moment, the first locking block 3.2 is released, the first locking block 3.2 can be restored to a locking state under the action of the reset spring, and meanwhile the second locking block 3.5 is driven to be embedded into the unfolding state locking groove 3.3, so that the function of locking the first supporting plate is achieved.
In a more preferred embodiment, the flexible display device of the present application further comprises a damper 3.1, and both ends of the damper 3.1 are fixed to the first support plate 1 and the second support plate 2, respectively. The damper 3.1 is a mechanism with resistance proportional to speed, and the damper 3.1 can ensure that the module pulling speed is not too high in the pulling process so as to play a role in protecting the module.
In an alternative embodiment, as shown in fig. 1, the second support plates of the two symmetrical stretching and resetting mechanisms are formed as one piece.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. In the description of the present invention, the terms "upper," "lower," "top," "bottom," "inner," "outer," and the like indicate or refer to an orientation or a positional relationship based on that shown in the drawings, merely to facilitate description of the present invention and simplify description, rather than to indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and that when the absolute position of the object being described is changed, the relative positional relationship may be changed accordingly, and thus should not be construed as limiting the present invention.
By now it will be appreciated by those skilled in the art that while the invention has been described with reference to preferred embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (10)
1. The stretching and resetting mechanism of the flexible display device is characterized by comprising a first supporting plate and a second supporting plate which are arranged in parallel, wherein the first supporting plate is movably connected with the second supporting plate, a sliding block is arranged on the first supporting plate, a sliding groove for the sliding block to move in a sliding manner is arranged on the second supporting plate, and the sliding block can slide along the sliding groove under the action of external force, so that the first supporting plate and the second supporting plate can move in opposite directions or opposite directions relative to each other in the transverse direction;
the first support plate is provided with a plurality of first comb teeth, a first gap part is formed between two adjacent first comb teeth, the second support plate is provided with a plurality of second comb teeth, a second gap part is formed between two adjacent second comb teeth, when the first support plate and the second support plate move relatively to each other, the first comb teeth can be correspondingly inserted into the second gap part, and the second comb teeth can be correspondingly inserted into the first gap part;
one end of the first supporting plate far away from the second supporting plate is provided with a slot for accommodating a rotating shaft along the longitudinal direction of the first supporting plate, the rotating shaft is arranged in the slot, and two ends of the rotating shaft are respectively fixed at two longitudinal end parts of the first supporting plate through bearings;
the stretching and resetting mechanism further comprises a first shaft and a second shaft which are arranged in the first supporting plate, parallel to the rotating shaft and opposite to the rotating shaft, the first shaft is located between the rotating shaft and the second shaft, the height of the first shaft is higher than that of the second shaft, pi strips are arranged between the first shaft and the second shaft, the first ends of the Pi strips are fixed on the second supporting plate, and the second ends of the Pi strips are fixed on the flexible display module which bypasses the first shaft, the second shaft and the rotating shaft in sequence.
2. The stretch and reset mechanism according to claim 1, wherein the shaft is a differential shaft.
3. The stretching and resetting mechanism as claimed in claim 1, further comprising a first locking block disposed at one end of the first supporting plate far away from the second supporting plate, wherein the first locking block is an elastic locking block, a resetting spring is disposed in the first locking block, a second locking block is disposed at one end of the first supporting plate near the second supporting plate, the second locking block is fixedly connected with the first locking block, when the first locking block is pressed down, the second locking block can be driven to generate a certain displacement in the height direction, and when the first locking block is released, the second locking block can be restored to the original position.
4. The stretching and resetting mechanism as recited in claim 3, further comprising a damper, both ends of which are respectively fixed to the first supporting plate and the second supporting plate.
5. A flexible display device is characterized in that the flexible display device comprises a fixed bottom plate, stretching and resetting mechanisms and a flexible display module, wherein two stretching and resetting mechanisms are symmetrically fixed on the fixed bottom plate,
the stretching and resetting mechanism comprises a first supporting plate and a second supporting plate which are arranged in parallel, the two stretching and resetting mechanisms which are symmetrically arranged are fixed on the fixed bottom plate through the second supporting plate, the flexible display module is arranged above the stretching and resetting mechanisms, two ends of the flexible display module are respectively fixed on the two first supporting plates of the stretching and resetting mechanisms, the first supporting plates are movably connected with the second supporting plates, a sliding block is arranged on the first supporting plates, a sliding groove for the sliding movement of the sliding block is arranged on the second supporting plates, and the sliding block can slide along the sliding groove under the action of external force, so that the first supporting plates and the second supporting plates can move along opposite directions or opposite directions relative to each other in the transverse direction;
one end of the first support plate far away from the second support plate is provided with a slot for accommodating a rotating shaft along the longitudinal direction of the first support plate, the rotating shaft is arranged in the slot, two ends of the rotating shaft are respectively fixed at two longitudinal end parts of the first support plate through bearings, and one end part of the flexible display module is fixed in the first support plate by bypassing the rotating shaft;
the flexible display device further comprises a tensioning mechanism arranged in the first supporting plate, the tensioning mechanism comprises a first shaft and a second shaft which are parallel to the rotating shaft and are oppositely arranged, the first shaft is located between the second shafts, the height of the first shaft is higher than that of the second shaft, pi strips are arranged between the first shaft and the second shaft, the first ends of the Pi strips are fixed on the second supporting plate, and the second ends of the Pi strips are fixed on the flexible display module which bypasses the first shaft, the second shaft and the rotating shaft in sequence.
6. The flexible display device according to claim 5, wherein a plurality of first comb teeth are provided on the first support plate, a first gap portion is formed between two adjacent first comb teeth, a plurality of second comb teeth are provided on the second support plate, a second gap portion is formed between two adjacent second comb teeth, when the first support plate and the second support plate move relatively to each other, the first comb teeth can be inserted into the second gap portion correspondingly, and the second comb teeth can be inserted into the first gap portion correspondingly.
7. The flexible display device according to claim 5, further comprising a locking mechanism, wherein the locking mechanism comprises a first locking block arranged at one end of the first supporting plate far away from the second supporting plate, the first locking block is an elastic locking block, a return spring is arranged in the first locking block, a second locking block is arranged at one end of the first supporting plate near the second supporting plate, the second locking block is fixedly connected with the first locking block, the second locking block can be driven to generate a certain displacement in the height direction when the first locking block is pressed down, the second locking block can be restored to the original position when the first locking block is released, a locking groove matched with the second locking block is formed in the fixed bottom plate, and the second locking block is just embedded into the locking groove when the second locking block is restored to the original position.
8. The flexible display device according to any one of claims 5 to 7, further comprising a damper, both ends of which are fixed to the first support plate and the second support plate, respectively.
9. The flexible display device of claim 8, wherein the axis of rotation is a differential axis.
10. The flexible display device of claim 5, wherein the second support plates of the two symmetrical stretching and resetting mechanisms are integrally formed.
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| CN202210346733.5A CN114677920B (en) | 2022-03-31 | 2022-03-31 | Stretching and resetting mechanism of flexible display device and flexible display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664337A (en) * | 2020-06-30 | 2020-09-15 | 武汉华星光电半导体显示技术有限公司 | Flexible display device |
| CN212273525U (en) * | 2020-06-30 | 2021-01-01 | 武汉华星光电半导体显示技术有限公司 | Flexible display device |
| CN113920874A (en) * | 2021-10-13 | 2022-01-11 | 京东方科技集团股份有限公司 | Display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664337A (en) * | 2020-06-30 | 2020-09-15 | 武汉华星光电半导体显示技术有限公司 | Flexible display device |
| CN212273525U (en) * | 2020-06-30 | 2021-01-01 | 武汉华星光电半导体显示技术有限公司 | Flexible display device |
| WO2022000672A1 (en) * | 2020-06-30 | 2022-01-06 | 武汉华星光电半导体显示技术有限公司 | Flexible display device |
| CN113920874A (en) * | 2021-10-13 | 2022-01-11 | 京东方科技集团股份有限公司 | Display device |
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