CN115100960A - Flexible display device - Google Patents
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- CN115100960A CN115100960A CN202210713728.3A CN202210713728A CN115100960A CN 115100960 A CN115100960 A CN 115100960A CN 202210713728 A CN202210713728 A CN 202210713728A CN 115100960 A CN115100960 A CN 115100960A
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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
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Abstract
The application relates to the technical field of display panels, in particular to a flexible display device, which comprises a flexible display panel, a supporting mechanism and a bending control assembly, wherein the supporting mechanism is connected to the back of the flexible display panel; the supporting mechanism comprises a folding supporting component and non-folding supporting components positioned on two sides of the folding supporting component; the supporting piece is internally provided with a slot; two adjacent folding supporting pieces are connected through a bending control assembly; the bending control assembly comprises a first control assembly, and the first control assembly comprises an inserting strip and a limiting piece; the limiting piece can move to abut against the inserting strip so as to limit the inserting strip in the slot, so that the flexible display device is in a flat state when being unfolded; the limiting part can also move to be separated from the inserting strip, so that the inserting strip can move along the depth direction of the slot, and the two adjacent folding supporting parts are separated by a corresponding distance when the flexible display device is bent. The flexible display device can solve the problem that the flexible display device cannot achieve good flatness and reduce the poor crease effect.
Description
Technical Field
The application relates to the technical field of display panels, in particular to a flexible display device.
Background
A flexible display device is a display device that can be bent like paper while maintaining display performance, and is widely used in electronic devices such as a folding mobile phone and a folding tablet computer. A general flexible display device includes a flexible display panel and a support structure attached to the flexible display panel. However, the supporting structure of the existing flexible display device is complex, and the good flatness can not be realized mostly, so that the effect of reducing the bent creases is not ideal, and the better visual experience of the flexible display device can not be met.
Disclosure of Invention
The application provides a flexible display device to solve current flexible display device's bearing structure complicacy, and can't realize fine roughness mostly, to reducing the unsatisfactory problem of crease effect after buckling.
According to a first aspect of the present application, there is provided a flexible display device comprising:
the flexible display panel comprises a bendable region and non-bendable regions positioned at two sides of the bendable region;
the supporting mechanism is connected to the back of the flexible display panel; the supporting mechanism comprises a folding supporting component and non-folding supporting components positioned on two sides of the folding supporting component, the non-folding supporting components are connected to the back of the flexible display panel, the folding supporting component is arranged corresponding to the bendable area, and the non-folding supporting components are arranged corresponding to the non-bendable area; the folding support component comprises a plurality of folding support pieces, and the folding support pieces are sequentially arranged along the length direction of the support mechanism; the folding supporting piece is internally provided with a slot;
the two adjacent folding supporting pieces are connected through the bending control assembly; the bend control assembly includes a first control assembly, the first control assembly including:
a slip connected to the folding support; the inserting strip connected to one of the folding supporting pieces is inserted into the slot arranged in the adjacent folding supporting piece;
the limiting piece is movably arranged in the folding support component;
the limiting piece can be moved to abut against the inserting strip so as to limit the inserting strip in the slot, so that the flexible display device is in a flat state when being unfolded;
the limiting part can also move to a position where the inserting strip is separated from the limiting part, so that the inserting strip can move along the depth direction of the slot, and the two adjacent folding supporting parts are separated by a corresponding distance when the flexible display device is bent.
In one possible design, the folding support comprises:
a support member body;
a connector connected to the support body; the slot is arranged in the connecting piece; one end of the cutting is connected with the connecting piece; the limiting part is movably arranged in the connecting piece.
In a possible design, the connecting piece is also internally provided with an installation groove communicated with the slot; the limiting piece is movably arranged in the mounting groove;
one end of the limiting piece can move to the outside of the mounting groove to abut against the inserting strip so as to limit the inserting strip in the slot, so that the flexible display device is in a flat state when being unfolded;
one end of the limiting part can also retract into the mounting groove to be separated from the inserting strip, so that the inserting strip can move along the depth direction of the slot, and the flexible display device is bent by a distance corresponding to the distance between the two adjacent folding supporting parts.
In one possible design, the first control assembly further includes:
the first elastic piece is arranged in the mounting groove; one end of the first elastic piece is abutted against the limiting piece;
the electromagnet is arranged in the mounting groove; the electromagnet is connected with one end, deviating from the limiting part, of the first elastic part.
In one possible design, one end of the cutting slip facing away from the connecting piece is provided with a sawtooth part; one end of the limiting part is provided with a wedge-shaped part matched with the sawtooth part.
In one possible design, the folding support comprises:
a first folding support member connected to the non-folding support member at one side of the folding support assembly; the slot is arranged in the first folding supporting piece; the limiting piece is arranged in the first folding supporting piece;
a third folding support member attached to the non-folding support member on the other side of the folding support assembly; the side of the third folding support piece, which faces away from the non-folding support piece, is connected with the inserting strip;
a second folding support, one or more of the second folding supports being connected between the first folding support and the third folding support; a slot is arranged in the second folding supporting piece; the limiting piece is arranged in the second folding supporting piece; one side of the second folding support member is connected with the slip.
In one possible design, the slot is arc-shaped.
In a possible design, the arc radian of the slot is the same as the arc radian formed at the folding support member with the slot therein after the flexible display panel is bent.
In one possible design, the slot is provided with a limit stop at a position close to the notch.
In one possible design, the bending control assembly further comprises a second control assembly, the second control assembly comprises a plurality of second elastic members, and the folding support members are elastically connected through the second elastic members.
The beneficial effect of this application:
the utility model provides a flexible display device includes flexible display panel, supporting mechanism and bending control assembly, flexible display panel is including the district of can buckling and the non-bending zone that is located the district both sides of can buckling, supporting mechanism connects in flexible display panel's the back, play the supporting role to flexible display panel, supporting mechanism includes folding supporting component and the non-folding support piece that is located folding supporting component both sides, non-folding support piece connects in flexible display panel's the back, folding supporting component corresponds the setting with the district of can buckling, play the supporting role to the district of can buckling, can buckle along with the buckling of the district of can buckling simultaneously, non-folding support piece corresponds the setting with non-bending zone, non-bending zone that non-folding support piece can guarantee flexible display panel all can keep the leveling state when flexible display device takes place to buckle and expandes. Folding supporting component includes a plurality of folding supporting piece, and a plurality of folding supporting piece arrange along supporting mechanism's length direction in proper order, are provided with the slot in the folding supporting piece, adjacent two connect through the bending control subassembly between the folding supporting piece, and the bending control subassembly can make supporting mechanism little to the bending area pressure when buckling to reduce the crease after buckling, it is big to expand back supporting rigidity, so that flexible display panel reaches fine roughness, makes flexible display device realize high-quality visual experience. The bending control assembly comprises a first control assembly, the first control assembly comprises an inserting strip and a limiting piece, the inserting strip is connected to the folding supporting piece of the supporting mechanism, the limiting piece is movably installed in the folding supporting assembly, and the inserting strip connected to one of the folding supporting pieces is inserted into a slot formed in the adjacent folding supporting piece. The inserting bar and the limiting piece can be matched in different modes, the limiting piece can move to be abutted against the inserting bar so as to limit the inserting bar in the slot, and the supporting rigidity of the supporting mechanism after unfolding is ensured to be large enough, so that the flexible display device is in a flat state when being unfolded; the locating part can also move to and break away from with the cutting to make the cutting remove along the depth direction of slot, separate corresponding distance between two adjacent folding support piece when making flexible display device buckle, make flexible display device when buckling the supporting mechanism to the pressure in the district of can buckling less, thereby can reduce the production of crease.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
Fig. 1 is a schematic structural diagram of a flexible display device provided in the present application in a flattened state;
fig. 2 is a schematic structural diagram of a flexible display device provided in the present application in a bent state;
fig. 3 is a schematic structural diagram of a flexible display device in a bendable region according to the present disclosure;
FIG. 4 is a schematic view of the connection of the folding support assembly to the bend-controlling assembly in an embodiment of the present application;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
fig. 6 is a sectional view taken along line B-B in fig. 4.
Reference numerals are as follows:
1-a flexible display panel;
2-a support mechanism;
21-a folding support;
21 a-a first folding support;
21 b-a second folding support;
21 c-a third folded support;
210-a slot;
211-a support body;
212-a connector;
2121-mounting groove;
22-a non-folding support;
3-a bending control assembly;
31-a first control assembly;
311-cutting;
3111-serrations;
312-a stop;
3121-a wedge;
313-a first resilient member;
314-an electromagnet;
32-a second elastic member.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Detailed Description
In order to better understand the technical solution of the present application, the following detailed description is made with reference to the accompanying drawings.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely a relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B, may represent: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element through intervening elements.
The flexible display device has a series of excellent characteristics of small volume, lightness, easy bending, low power consumption, various display modes, simple and convenient installation and the like, can realize diversified application of the display device, and is widely applied to electronic equipment such as a folding mobile phone, a folding tablet personal computer and the like. A typical flexible display device includes a flexible display panel and a support structure attached to the flexible display panel. However, the existing flexible display device has a complex supporting structure, cannot give consideration to the characteristics of small pressure on a bending area during bending and high supporting rigidity after expansion, cannot realize good flatness mostly, has an unsatisfactory effect on reducing creases after bending, and cannot meet the better visual experience of the flexible display device.
The flexible display device comprises a flexible display panel, a bending control assembly, a supporting mechanism and a supporting mechanism, wherein the flexible display panel is arranged on the flexible display panel, the supporting mechanism is arranged on the flexible display panel, the flexible display panel is arranged on the supporting mechanism, the supporting mechanism is arranged on the flexible display panel, the flexible display panel is arranged on the supporting mechanism, and the supporting mechanism is arranged on the flexible display panel.
Based on the above consideration, the applicant has conducted intensive research and has designed a flexible display device, which includes a flexible display panel, a support mechanism, and a bending control assembly, wherein the flexible display panel includes a bendable region and non-bendable regions located at both sides of the bendable region; the supporting mechanism is connected to the back of the flexible display panel; the supporting mechanism comprises a folding supporting component and non-folding supporting components positioned on two sides of the folding supporting component, the non-folding supporting components are connected to the back of the flexible display panel, the folding supporting component is arranged corresponding to the bendable region, and the non-folding supporting components are arranged corresponding to the non-bendable region; the folding support component comprises a plurality of folding support pieces, and the folding support pieces are sequentially arranged along the length direction of the support mechanism; the folding supporting piece is internally provided with a slot; two adjacent folding supporting pieces are connected through a bending control assembly; the bending control assembly comprises a first control assembly, the first control assembly comprises a cutting and a limiting piece, and the cutting is connected with the folding supporting piece; the inserting strip connected with one folding supporting piece is inserted into the inserting groove arranged in the adjacent folding supporting piece; the limiting piece is movably arranged in the folding supporting component; the limiting piece can move to abut against the inserting strip so as to limit the inserting strip in the slot, so that the flexible display device is in a flat state when being unfolded; the limiting part can also move to be separated from the inserting strip, so that the inserting strip can move along the depth direction of the slot, and the two adjacent folding supporting parts are separated by a corresponding distance when the flexible display device is bent.
Such flexible display device includes flexible display panel, supporting mechanism and bending control assembly, flexible display panel is including the district of can buckling and the non-bending zone that is located the district both sides of can buckling, supporting mechanism connects in flexible display panel's the back, play the supporting role to flexible display panel, supporting mechanism includes folding supporting component and the non-folding support piece that is located folding supporting component both sides, non-folding support piece connects in flexible display panel's the back, folding supporting component corresponds the setting with the district of can buckling, play the supporting role to the district of can buckling, can buckle along with the bending type in the district of can buckling simultaneously, non-folding support piece corresponds the setting with non-bending zone, non-folding support piece can guarantee that flexible display panel's non-bending zone homoenergetic keeps the leveling state when flexible display device takes place to buckle and expand. Folding supporting component includes a plurality of folding supporting pieces, and a plurality of folding supporting pieces arrange along supporting mechanism's length direction in proper order, are provided with the slot in the folding supporting piece, adjacent two connect through buckling the control assembly between the folding supporting piece, and the control assembly that buckles can make supporting mechanism little to buckling area pressure when buckling to reduce the crease after buckling, support rigidity is big after the expansion, so that flexible display panel reaches fine roughness, makes flexible display device realize high-quality visual experience. The bending control assembly comprises a first control assembly, the first control assembly comprises an inserting strip and a limiting part, the inserting strip is connected to the folding supporting part of the supporting mechanism, the limiting part is movably installed in the folding supporting assembly, and the inserting strip connected to one of the folding supporting parts is inserted into a slot formed in the adjacent folding supporting part. The cutting and the limiting piece can be matched in different modes, the limiting piece can move to be abutted against the cutting, so that the cutting is limited in the slot, the supporting rigidity of the supporting mechanism after the flexible display device is unfolded is ensured to be large enough, and the flexible display device is in a flat state when being unfolded; the locating part can also move to and break away from with the cutting to make the cutting remove along the depth direction of slot, separate corresponding distance between two adjacent folding support piece when making flexible display device buckle, make flexible display device when buckling the supporting mechanism to the pressure in the district of can buckling less, thereby can reduce the production of crease.
The flexible display device disclosed by the embodiment of the application can be used in products or parts with display functions such as mobile phones, tablet computers, intelligent wearable equipment, televisions, displays, notebook computers and digital photo frames, but is not limited to be used, the flexible display device can be curled and folded when not in use, the flexible display device is stored in a small-size form, the carrying is convenient, and the flexible display device can be unfolded when in use.
According to some embodiments of the present application, as shown in fig. 1-3, fig. 1 is a schematic structural view of a flexible display device according to some embodiments of the present application in an unfolded state; fig. 2 is a schematic structural diagram of a flexible display device according to some embodiments of the present application in a bent state; fig. 3 is a schematic structural diagram of a bendable region of a flexible display device in a bending state according to some embodiments of the present disclosure. The embodiment of the application provides a flexible display device, and the flexible display device comprises a flexible display panel 1 and a supporting mechanism 2, wherein the flexible display panel 1 comprises a bendable region and non-bendable regions positioned at two sides of the bendable region. The support mechanism 2 is attached to the back of the flexible display panel 1. The supporting mechanism 2 comprises a folding supporting component and non-folding supporting pieces 22 located on two sides of the folding supporting component, the non-folding supporting pieces 22 are connected to the back face of the flexible display panel 1, the folding supporting component corresponds to the bendable region, and the non-folding supporting pieces 22 correspond to the non-bendable region. The folding support assembly includes a plurality of folding supports 21, and the plurality of folding supports 21 are sequentially arranged along the length direction of the support mechanism 2. The folding support 21 is provided with a slot 210 therein.
As shown in fig. 4-6, the flexible display device further comprises a bending-control member 3, and two adjacent folding supports 21 are connected by the bending-control member 3. As shown in fig. 4-5, the bend-controlling assembly 3 includes a first controlling assembly 31, and the first controlling assembly 31 includes:
and a slip 311, the slip 311 being connected to the folding supporter 21. The insert bar 311 connected to one of the folding support members 21 is inserted into the insert groove 210 provided in the adjacent folding support member 21.
The stopper 312 is movably installed in the folding support assembly.
The limiting member 312 can move to abut against the inserting bar 311, so as to limit the inserting bar 311 in the slot 210, so that the flexible display device is in a flat state when being unfolded.
The limiting member 312 can also move to be separated from the inserting bar 311, so that the inserting bar 311 can move along the depth direction of the slot 210, and the two adjacent folding supporting members 21 are separated by a corresponding distance when the flexible display device is bent.
A flexible display panel 1, the flexible display panel 1 generally includes a flexible substrate and a display element disposed on the flexible substrate to implement a flexible display function. The flexible substrate is made of a soft material, and for example, the flexible substrate may be a film including one selected from polyester-based polymers, silicone-based polymers, acrylic polymers, polyolefin-based polymers, and copolymers thereof. The flexible substrate may be a single layer structure or a multilayer structure.
The supporting mechanism 2 supports the flexible display panel 1, the supporting mechanism 2 includes a folding supporting component and non-folding supporting components 22 located at two sides of the folding supporting component 21, and the non-folding supporting components 22 can be connected to the back of the flexible display panel 1 through adhesion or the like.
The insertion groove 210 may be a through groove extending along the length direction of the folding support 21, or may be a blind groove opening to one side of the folding support 21.
The insert 311, the insert 311 may be made of a material having elasticity.
The stopper 312 is a component that can limit the slip 311 in the slot 210, and can abut against the slip 311, limit the slip 311 in the slot 210, prevent the slip 311 from moving, and be separated from the slip 311 without preventing the slip 311 from moving in the slot 210. One inserting bar 311 can be matched with one limiting member 312, and can also be matched with a plurality of limiting members 312.
The flexible display device of this embodiment can make supporting mechanism 2 little to the district's pressure of buckling when buckling through buckling control assembly 3 to reduce the crease after buckling, the supporting rigidity is big after the expansion, so that flexible display panel 1 reaches fine roughness, makes flexible display device realize high-quality visual experience. The bending control assembly 3 comprises a first control assembly 31, the first control assembly 31 comprises an inserting strip 311 and a limiting piece 312, the inserting strip 311 and the limiting piece 312 can be matched in different modes, the limiting piece 312 can be moved to abut against the inserting strip 311 to limit the inserting strip 311 in the slot 210, and it is ensured that the support rigidity of the support mechanism 2 after being unfolded is large enough to enable the flexible display device to be in a flat state when being unfolded; the limiting member 312 can also move to be separated from the inserting bar 311, so that the inserting bar 311 can move along the depth direction of the slot 210, and a corresponding distance is separated between two adjacent folding supporting members 21 when the flexible display device is bent, so that the pressure of the supporting mechanism 2 on the bendable region when the flexible display device is bent is small, and the generation of creases can be reduced.
According to some embodiments of the present application, as shown in fig. 5 and 6, the folding support 21 includes a support body 211 and a connection member 212, the connection member 212 being connected to the support body 211. A slot 210 is provided in the connector 212. One end of the insert 311 is connected to the connector 212. The limiting member 312 is movably installed in the connecting member 212.
The number of the support body 211 may be multiple, and the support body is generally made of a material with certain rigidity, and plays a role in supporting the flexible display panel 1.
The number of the connecting pieces 212 corresponds to the number of the supporting body 211, and the connecting pieces 212 are used for conveniently connecting a plurality of supporting bodies 211 into a whole.
The folding support 21 of the present embodiment includes a support body 211 and a connector 212, and a plurality of support bodies 211 can be integrally connected by the connector 212. The insertion grooves 210 are arranged in the connecting pieces 212, one ends of the insertion strips 311 are connected to the connecting pieces 212, when the folding support pieces 21 are installed, the insertion strips 311 connected to one folding support piece 21 are inserted into the insertion grooves 210 arranged in the adjacent folding support pieces 21, the adjacent two connecting pieces 212 can be connected in a relatively movable mode, the distance between the adjacent two connecting pieces 212 is changed through the movement of the insertion strips 311 in the insertion grooves 210, and therefore the adjacent folding support pieces 21 are separated. In this embodiment, the limiting member 312 is movably installed in the connecting member 212, and the inserting bar 311 can be limited in the slot 210 by the matching between the limiting member 312 and the inserting bar 311, so that the flexible display device is in a flat state when being unfolded.
According to some embodiments of the present disclosure, the connecting member 212 further defines a mounting groove 2121 therein, which is communicated with the slot 210. The limiting member 312 is movably mounted in the mounting groove 2121.
One end of the limiting member 312 can move to the outside of the mounting groove 2121 to abut against the insert 311, so as to limit the insert 311 in the slot 210, so that the flexible display device is in a flat state when being unfolded.
One end of the limiting member 312 can also be retracted into the mounting groove 2121 to be separated from the insert 311, so that the insert 311 can move along the depth direction of the slot 210, and when the flexible display device is bent, two adjacent folding supporting members 21 are separated by a corresponding distance.
The connecting member 212 is provided with the mounting groove 2121 communicated with the slot 210, and the limiting member 312 is movably mounted in the mounting groove 2121, so that the limiting member 312 can be mounted in the connecting member 212, and the mounting structure is reasonable and compact.
According to some embodiments of the present application, as shown in fig. 5, the first control assembly further comprises:
the first elastic member 313 is installed in the installation groove 2121. One end of the first elastic member 313 abuts against the limiting member 312.
And an electromagnet 314 installed in the installation groove 2121. The electromagnet 314 is connected to an end of the first elastic member 313 away from the limiting member 312.
The number of the first elastic members 313 may be one or more, and in some embodiments, the first elastic members 313 are springs.
The electromagnet 314 is a device that generates electromagnetism when energized. After the electromagnet 314 is energized, an attractive force can be generated on the first elastic member 313 to compress the first elastic member 313, and the compression energy of the first elastic member 313 can drive the limiting member 312 to move into the mounting slot 2121, so that one end of the limiting member 312 retracts into the mounting slot 2121 to be separated from the slip 311; when the electromagnet 314 is not energized, the suction force generated by the first elastic member 313 disappears, so that the first elastic member 313 restores elasticity, the elastic energy of the first elastic member 313 can move the limiting member 312 out of the mounting slot 2121, and one end of the limiting member 312 extends out of the mounting slot 2121 to abut against the insert 311.
In this embodiment, the first elastic element 313 and the electromagnet 314 are installed in the installation slot 2121, one end of the first elastic element 313 abuts against the limiting element 312, and the other end of the first elastic element 313 abuts against the electromagnet 314, so that the elastic deformation of the first elastic element 313 is realized through the energization performance of the electromagnet 314, and the movement of the limiting element 312 is driven, thereby realizing the abutting and the separation of the limiting element 312 and the inserting strip 311.
In some embodiments, in order to control the opening and closing of the electromagnet 314, a controller and a sensor may be disposed in the flexible display device, the controller is connected to the electromagnet 314 and the sensor, when the sensor senses the bending action of the flexible display device, a signal is transmitted to the controller, and then the controller controls the electromagnet 314 to be energized, so that one end of the position-limiting member 312 is retracted into the mounting groove 2121 to be separated from the inserting bar 311, thereby facilitating the implementation of the bending action. When the inductor senses the flattening action of the flexible display device, the signal is transmitted to the controller, and then the controller controls the electromagnet 314 not to be electrified, so that one end of the limiting part 312 extends out of the mounting groove 2121 and abuts against the inserting strip 311, and the flexible display device is conveniently flattened.
According to some embodiments of the present application, as shown in fig. 5, an end of the slip 311 facing away from the connector 212 is provided with a serration 3111. One end of the limiting member 312 is provided with a wedge portion 3121 engaged with the serration portion 3111.
The number of the serration 3111 may be one or more.
In this embodiment, the sawtooth portion 3111 is disposed at one end of the slip 311 away from the connecting member 212, and the wedge portion 3121 matched with the sawtooth portion 3111 is disposed at one end of the limiting member 312, so that the slip 311 can be effectively abutted against the limiting member 312, and the slip 311 is limited in the slot 210.
According to some embodiments of the present application, as shown in fig. 1 and 3, the folding support 21 comprises:
a first folding support 21a, attached to the non-folding support 22 on one side of the folding support assembly. The first folding support 21a is provided therein with a slot 210. A limiting member 312 is installed in the first folding supporting member 21 a.
A third folding support member 21c attached to the non-folding support member 22 on the other side of the folding support assembly. A side of the third folding support 21c facing away from the non-folding support 22 is connected with a slip 311.
A second folding support 21b, one or more second folding supports 21b connected between the first folding support 21a and the third folding support 21 c. The second folding support 21b has an insertion groove 210 formed therein. A limiting member 312 is installed in the second folding supporting member 21 b. An insertion strip 311 is connected to one side of the second folding support 21 b.
In this embodiment, the folding support 21 includes a first folding support 21a, a third folding support 21c and a second folding support 21b, the first folding support 21a is connected to the non-folding support 22 on one side of the folding support, the third folding support 21c is connected to the non-folding support 22 on the other side of the folding support, and the connection of the folding support to the non-folding support 22 can be realized by the connection of the first folding support 21a, the third folding support 21c and the non-folding support 22. One or more second folding support members 21b are attached between the first folding support member 21a and the third folding support member 21 c. The insertion slot 210 is provided in the first folding supporting member 21a and is provided with a limiting member 312, so as to be conveniently matched with the insertion strip 311 provided on the second folding supporting member 21 b. The insertion groove 210 is provided with a limiting member 312 inside the second folding supporting member 21b, and the insertion strip 311 is connected to one side of the second folding supporting member 21b, so that the limiting members 312 of two adjacent second folding supporting members 21b are conveniently matched with the insertion strip 311. On the side of the third folding support 21c facing away from the non-folding support 22, a tab 311 is attached, which facilitates engagement with the slot 210 on the adjacent second folding support 21 b. The whole folding support piece 21 is reasonable in design, the structures are matched with each other tightly, and bending and flattening of the flexible display device are facilitated.
According to some embodiments of the present application, as shown in FIG. 4, slot 210 is arc-shaped.
In this embodiment, when the flexible display device is bent, the slot 210 is designed into an arc shape along the arc-shaped deformation and the movement of the bending of the flexible display device, and the arc-shaped deformation and the movement of the bending of the flexible display device are adapted to the deformation of the slot 311, so that the pressure of the deformation of the slot 311 on the connecting piece 212 can be reduced, the generation of creases is reduced, and the situation that the slot 311 is damaged due to the deformation is avoided. In addition, the slot 210 is designed to be arc-shaped, so that the friction force between the insertion strip 311 and the connecting piece 212 in the bending process can be reduced, the insertion strip 311 can move in the slot 210 more smoothly, the separation between the folding support pieces 21 can be facilitated, and the bending can be facilitated.
According to some embodiments of the present application, the arc radian of the slot 210 is the same as the arc radian formed at the folding support 21 with the slot 210 therein after the flexible display panel 1 is bent.
The arc radian of the slot 210 is designed to be the same as the arc radian formed at the position of the folding support piece 21 with the slot 210 arranged therein after the flexible display panel 1 is bent, so that the phenomenon of crease reduction in the bending process of the flexible display device is facilitated, and meanwhile, the smoothness of bending is ensured.
According to some embodiments of the present application, as shown in fig. 5, the slot 210 is provided with a stop 2100 near the notch.
In this embodiment, the position of the slot 210 near the notch is provided with the limiting platform 2100, and the limiting platform 2100 has a limiting effect on the insert 311 inserted into the slot 210, so as to prevent the insert 311 from coming off the slot 210 during the bending process.
According to some embodiments of the present application, as shown in FIGS. 4 and 6, bend-controlling assembly 3 further comprises a second controlling assembly, which comprises a plurality of second elastic members 32, and a plurality of folding supports 21 are elastically connected to each other through second elastic members 32.
The second elastic member 32 may be a spring. Two adjacent folding supports 21 may be elastically connected by one or more second elastic members 32. In some embodiments, the connection members 212 of the folding support 21 are elastically connected by the second elastic member 32. Alternatively, the second elastic element 32 may be disposed at an end of the connecting element 212 close to the flexible display panel 1, at an end of the connecting element 212 close to the supporting element body 211, at an intermediate position of the connecting element 212, and in some embodiments, the second elastic element 32 is disposed at an end of the connecting element 212 close to the flexible display panel 1.
In this embodiment, the bending control assembly 3 further includes a second control assembly, the second control assembly includes a plurality of second elastic members 32, the plurality of folding supporting members 21 are elastically connected through the second elastic members 32, and by using the elastic performance of the second elastic members 32, when the flexible display device is bent, the second elastic members 32 are deformed and unfolded by a corresponding distance to adapt to the bending of the bendable region; in the flattening process of the flexible display device, the second elastic member 32 recovers deformation, and under the effect of the deformation force, the insertion strip 311 can be automatically and smoothly retracted into the slot 210, so that the flattening efficiency and quality are improved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A flexible display device, comprising:
the flexible display panel (1), the flexible display panel (1) includes a bendable region and non-bendable regions located at two sides of the bendable region;
a support mechanism (2) connected to the back of the flexible display panel (1); the supporting mechanism (2) comprises a folding supporting component and non-folding supporting components (22) positioned on two sides of the folding supporting component (21), the non-folding supporting components (22) are connected to the back of the flexible display panel (1), the folding supporting component is arranged corresponding to the bendable area, and the non-folding supporting components (22) are arranged corresponding to the non-bendable area; the folding support component comprises a plurality of folding support pieces (21), and the folding support pieces (21) are sequentially arranged along the length direction of the support mechanism (2); a slot (210) is arranged in the folding support piece (21);
the two adjacent folding supporting pieces (21) are connected through the bending control assembly (3); the bend-controlling assembly (3) comprises a first controlling assembly (31), the first controlling assembly (31) comprising:
a slip (311), the slip (311) being connected to the folding support (21); the inserting strip (311) connected with one folding supporting piece (21) is inserted into the inserting groove (210) arranged in the adjacent folding supporting piece (21);
a stop (312) movably mounted within the folding support assembly;
the limiting piece (312) can be movably abutted against the inserting strip (311) so as to limit the inserting strip (311) in the slot (210), so that the flexible display device is in a flat state when unfolded;
the limiting piece (312) can also move to be separated from the inserting strip (311), so that the inserting strip (311) can move along the depth direction of the slot (210), and when the flexible display device is bent, two adjacent folding supporting pieces (21) are separated by a corresponding distance.
2. The flexible display device according to claim 1, wherein the folding support (21) comprises:
a support body (211);
a connector (212) connected to the support body (211); the connecting piece (212) is internally provided with the slot (210); one end of the inserting strip (311) is connected to the connecting piece (212); the limiting piece (312) is movably arranged in the connecting piece (212).
3. The flexible display device according to claim 2, wherein the connecting member (212) further has a mounting groove (2121) formed therein and communicating with the slot (210); the limiting piece (312) is movably mounted in the mounting groove (2121);
one end of the limiting piece (312) can move to the outside of the mounting groove (2121) and is abutted against the inserting strip (311) so as to limit the inserting strip (311) in the slot (210), so that the flexible display device is in a flat state when being unfolded;
one end of the limiting piece (312) can also retract into the mounting groove (2121) to be separated from the inserting strip (311), so that the inserting strip (311) can move along the depth direction of the slot (210), and when the flexible display device is bent, two adjacent folding supporting pieces (21) are separated by a corresponding distance.
4. The flexible display device of claim 3, wherein the first control assembly further comprises:
a first elastic member (313) installed in the mounting groove (2121); one end of the first elastic piece (313) is abutted with the limiting piece (312);
the electromagnet (314) is arranged in the mounting groove (2121); the electromagnet (314) is connected with one end of the first elastic piece (313) departing from the limiting piece (312).
5. The flexible display device according to claim 2, wherein an end of the slip (311) facing away from the connector (212) is provided with a serration (3111); one end of the limiting piece (312) is provided with a wedge-shaped portion (3121) matched with the sawtooth portion (3111).
6. The flexible display device according to claim 1, wherein the folding support (21) comprises:
a first folding support (21a) connected to the non-folding support (22) on one side of the folding support assembly; the first folding supporting piece (21a) is internally provided with the inserting groove (210); the limiting piece (312) is arranged in the first folding supporting piece (21 a);
a third folding support (21c) attached to the non-folding support (22) on the other side of the folding support assembly; the side of the third folding support (21c) facing away from the non-folding support (22) is connected with the slip (311);
-a second folding support (21b), one or more of said second folding supports (21b) being connected between said first folding support (21a) and said third folding support (21 c); a slot (210) is arranged in the second folding supporting piece (21 b); the limiting piece (312) is installed in the second folding supporting piece (21 b); the insert (311) is connected to one side of the second folding support (21 b).
7. The flexible display device according to claim 1, wherein the slot (210) is arc-shaped.
8. The flexible display device according to claim 7, wherein the arc of the slot (210) is the same as the arc of the folding support (21) with the slot (210) therein after the flexible display panel (1) is bent.
9. The flexible display device according to claim 1, wherein the slot (210) is provided with a stopper (2100) near the notch.
10. The flexible display device according to claim 1, wherein the bending control assembly (3) further comprises a second control assembly comprising a plurality of second elastic members (32), and a plurality of the folding supports (21) are elastically connected to each other by the second elastic members (32).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210713728.3A CN115100960B (en) | 2022-06-22 | 2022-06-22 | Flexible display device |
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| CN202210713728.3A CN115100960B (en) | 2022-06-22 | 2022-06-22 | Flexible display device |
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| CN115100960B CN115100960B (en) | 2023-06-02 |
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| CN115100960B (en) | 2023-06-02 |
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