CN210896335U - Flexible display device - Google Patents
Flexible display device Download PDFInfo
- Publication number
- CN210896335U CN210896335U CN202020145651.0U CN202020145651U CN210896335U CN 210896335 U CN210896335 U CN 210896335U CN 202020145651 U CN202020145651 U CN 202020145651U CN 210896335 U CN210896335 U CN 210896335U
- Authority
- CN
- China
- Prior art keywords
- flexible display
- display device
- support piece
- display panel
- main body
- 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.)
- Active
Links
Images
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The utility model discloses a flexible display device, including flexible display panel and support piece, flexible display panel includes main part display part, extension and connects the kink of main part display part and extension, and main part display part, extension and the range upon range of setting of support piece, and support piece are located between main part display part and the extension, and on the extending direction that is on a parallel with the extension, safe distance is predetermine at the interval between support piece and the kink. The utility model discloses a support piece supports flexible display panel's main part display part and extension, effectively prevents the kink and receives extrusion deformation for the kink receives good support protection, and safe distance is predetermine at the interval between support piece and the kink, effectively avoids support piece top to hinder the kink when flexible display panel folds, improves the problem of broken string.
Description
Technical Field
The utility model relates to a show technical field, concretely relates to flexible display device.
Background
For a bendable flexible display, an edge region of the flexible display is generally bent from a display side to a backlight side opposite to the display side, so that a bent portion (also called a pad bending region) is formed at the edge region of the flexible display, and a lot of wires are bent at the pad bending region, so that a gap needs to be formed at the position of the whole structure to form a support region.
The flexible display screen has from expanding to folding action in the use, because each layer radius of buckling is different, and flexible display screen is under fold condition, and each layer structure takes place the dislocation, can lead to the clearance in above-mentioned pad binding district to diminish, appears pad binding top and hinders the risk with the broken string.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a flexible display device.
The utility model provides a flexible display device, including flexible display panel and support piece, flexible display panel includes main part display part, extension and connection the main part display part with the kink of extension, the main part display part the extension with the range upon range of setting of support piece, just support piece is located the main part display part with between the extension, be on a parallel with on the extending direction of extension, support piece with safe distance is predetermine at the interval between the kink.
Preferably, the preset safety distance is determined by the following relation:
x≥(Tbonding 2+Toled 2+TSupport piece 2)1/2+Δ；
Wherein x is the preset safety distance; t isBondingIs the fitting tolerance, T, between the flexible display panel and the support memberoledFor the dimensional tolerance of the flexible display panel, TSupport pieceIs a dimensional tolerance of the support; delta is the dislocation amount of the supporting piece relative to the flexible display panel when the main body display part is folded.
Preferably, the preset safety distance is 0.2 mm-1 mm.
Preferably, the flexible display device further includes:
the first film material is attached to one side, facing the support piece, of the flexible display panel and is broken at the bending part;
the second film material is attached to one side, facing the support piece, of the first film material and is broken at the bending part;
a first connecting structure provided at a side of the support member facing the main body display part; and the number of the first and second groups,
a second connecting structure arranged on one side of the support part facing the extension part;
the supporting piece is connected with the second membrane material in an attaching mode through the first connecting structure and the second connecting structure.
Preferably, in the extending direction parallel to the extending portion, a distance exists between one end of the second connecting structure close to the bent portion and one end of the extending portion connected to the bent portion.
Preferably, the distance is 0.1mm to 2 mm.
Preferably, one side of the bending part, which is back to the support part, is coated with curing glue.
Preferably, the curing glue exceeds the bending part and covers part of the extending part.
Preferably, the length of the extension part coated by the curing adhesive is 0.3 mm-2 mm in the extending direction parallel to the extension part.
Preferably, the flexible display device further includes:
the touch layer is attached to one side, back to the support piece, of the main body display part; and the number of the first and second groups,
the cover plate is attached to one side, back to the support piece, of the touch layer.
The embodiment of the utility model provides a flexible display device supports flexible display panel's main part display part and extension through support piece, effectively prevents the kink and receives extrusion deformation for the kink receives good support protection, and the safe distance is predetermine at the interval between support piece and the kink, effectively avoids support piece top to hinder the kink when flexible display panel is crooked, effectively improves the problem of walking the broken string.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 is a schematic structural diagram of a flexible display device according to an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a simulation diagram simulating the stress concentration at B in fig. 2 according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a flexible display device according to another embodiment of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 4;
fig. 6 is a simulation diagram simulating a stress situation at B in fig. 5 according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a flexible display device, including a flexible display panel 1 and a supporting member 2, where the flexible display panel 1 includes a main body display portion 11, an extending portion 13, and a bending portion 12 connecting the main body display portion 11 and the extending portion 13, the main body display portion 11, the extending portion 13, and the supporting member 12 are stacked, and the supporting member 12 is located between the main body display portion 11 and the extending portion 13, and a preset safety distance is provided between the supporting member 2 and the bending portion 12 in an extending direction parallel to the extending portion 13.
In this embodiment, the main body display portion 11 is used for displaying an image, the main body display portion 11 has a front surface presenting an image and a back surface opposite to the front surface, the extension portion 13 is located on the back surface of the main body display portion 11, the wires are disposed in both the bent portion 12 and the extension portion 13, and the bent portion 12 in this embodiment is a pad bonding area.
Referring to four orientations, up, down, left, and right, illustrated in fig. 1, the flexible display panel is folded at C in fig. 1, that is, the main body display portion 11 is in a folded state; the edge of one end of the flexible display panel 1 is a bending part 12.
In this embodiment, a support area is formed among the main body display portion 11, the bending portion 12 and the extending portion 13, and the support member 2 forms a support in the support area, so that the bending portion 12 can be prevented from being damaged when the flexible display panel is pressed.
A gap is formed between the support member 2 and the bending portion 12, and when the flexible display panel is folded, the support member 2 moves rightward relative to the main body display portion 11, which causes the gap to be smaller. The embodiment presets the safe distance through setting for the interval between support piece 2 and the kink 12, also can ensure to keep certain clearance between support piece 2 and the kink 12 when flexible display panel is in fold condition, avoids the kink to be hindered by the top, and then avoids the condition of circuit damage or broken string to appear.
In this embodiment, one end of the supporting member 2 close to the bending portion 12 is a rounded structure, so as to further ensure a gap between the supporting member 2 and the bending portion 12.
Further, the preset safe distance is determined by the following relation:
x≥(Tbonding 2+Toled 2+TSupport piece 2)1/2+Δ；
Wherein x is a preset safety distance; t isBondingFor the tolerance of the fit between the flexible display panel and the support member, ToledFor dimensional tolerances of flexible display panels, TSupport pieceIs a supportDimensional tolerances of the struts; Δ is the amount of dislocation of the support member with respect to the flexible display panel when the main body display portion is folded.
In this embodiment, the bent portion 12 is preferably substantially semicircular, one end of the support member 2 is rounded, and the predetermined safety distance x between the top end of the support member 2 and the bent portion 12 is preferably 0.2mm to 1 mm.
Preferably, x is 0.3 mm. In the process of bending the main body display part 11 from the unfolded state to the folded state, the support part can effectively prevent the bent part from being damaged.
In this embodiment, the material of the support 2 includes any one of: plastic, nylon fiberglass, stainless steel, aluminum alloy, copper alloy, titanium alloy, rubber, or foam. In practical applications, the material of the support 2 may be set according to the stiffness requirements, material technology, price and overall thickness requirements.
In this embodiment, the flexible display device further includes:
the first film material 3 is attached to one side, facing the support piece, of the flexible display panel 1 and is broken at the bent part 12, and the first film material 3 is used for supporting and protecting the flexible display panel;
the second film material 4 is attached to one side of the first film material 3 facing the support member and is broken at the bent part 12, and is used for increasing the resilience force of the flexible display panel in the process that the flexible display panel is changed from the folded state to the unfolded state;
a first connecting structure 5 provided on a side of the support 2 facing the main body display portion 11;
a second connection structure 6, arranged on the side of the support 2 facing the extension 13;
the supporting piece 2 is attached to the second film 4 through the first connecting structure 5 and the second connecting structure 6.
In this embodiment, the first film 3 and the flexible display panel 1 are preferably connected by a first film adhesive 3 ', and the second film 4 and the first film 3 are preferably connected by a second film adhesive 4'.
Preferably, the first film 3 includes any one of: double-sided adhesive tape, polyimide, polyester resin or metal film material;
the second film material 4 includes any one of: double-sided adhesive tape, polyimide, polyester resin or metal film material;
the first connecting structure 5 and the second connecting structure 6 are both double-sided adhesive tapes;
the first membrane material glue 3 'and the second membrane material glue 4' are both double-sided glue.
In this embodiment, referring to fig. 1, the upper side of the supporting member 2 is connected to the second film 4 through the double-sided tape, the supporting member 2 and the second film 4 are relatively fixed, the amount of the misalignment of the supporting member 2 relative to the flexible display panel 1 is about the amount of the misalignment of the second film 4 relative to the flexible display panel 1, and the amount of the misalignment of the supporting member 2 relative to the flexible display panel 1 is Δ ≈ pi (1/2 × t ≈ t)oled+tFirst film material glue+tFirst film material+tSecond film material glue+1/2*tSecond film material) K, wherein the thickness of the main body display part is consistent and uniform with that of the extension part, toledIndicates the thickness, t, of the flexible display panel (or the main body display part or the extension part)First film material glueDenotes the thickness, t, of the first film adhesiveSecond film material glueDenotes the thickness, t, of the second film adhesiveFirst film materialDenotes the thickness, t, of the first film materialSecond film materialThe thickness of the second film material is expressed, and K is preferably 1-2.5.
In this embodiment, structures between the main body display portion of the flexible display panel, the extension portion of the flexible display panel, and the supporting member, such as but not limited to the first film material glue, the first film material, the second film material glue, the second film material, the first connecting structure, and the second connecting structure, may further include a film material layer to protect the main body display portion and the extension portion.
Further, referring to the simulation diagram shown in fig. 3, the point B where the bent portion 12 and the extended portion 13 are connected is the position where the stress is most concentrated, and when the main body display portion 12 is in the folded state, the bent portion 12 is pulled, which is likely to cause damage or disconnection of the internal circuit.
As an alternative embodiment, referring to fig. 4 and 5, on the basis of the flexible display device illustrated in fig. 1, in the extending direction parallel to the extending direction of the extending portion 13, a distance y exists horizontally between one end of the second connecting structure 6 close to the bent portion 12 and one end of the extending portion 13 connected to the bent portion 12, so as to reduce the stress of the main body display portion 11 in the folded state B.
Further, the distance y is 0.1mm to 1mm, so that the stress at the position B can be better released, and the risk of damage or disconnection of the internal circuit at the bent portion 12 can be avoided.
Furthermore, one side of the bending part 12, which is opposite to the support part 2, is coated with a curing adhesive 7, which has certain elasticity and is made of soft material, so that the bending part 12 is further prevented from being deformed, and the bending part can be protected by supporting.
Further, the curing adhesive 7 exceeds the bending part 12 and covers a part of the extending part 13, so that the stress at the position B can be further released, and the circuit is prevented from being damaged or broken.
In the extending direction parallel to the extending part, the length z of the curing adhesive 7 covering the extending part 13 is 0.3 mm-2 mm, so that the curing adhesive has a good protection effect on the bent part, and the problem of stress concentration at the position B is solved.
On the basis of the flexible display device illustrated in fig. 1, an end of the second connecting structure connecting the support member and the extension portion, which is close to the bending portion, and an end of the extension portion, which is connected to the bending portion, are spaced by a distance y, and a side of the bending portion, which is opposite to the support member, is coated with a curing adhesive, and the curing adhesive covers a length z of the extension portion in a direction parallel to the extending direction of the extension portion, so as to effectively release the stress at the position B, referring to the simulation diagram illustrated in fig..
In the flexible display device provided by the embodiment, the flexible display panel comprises a main body display part, a bending part and an extending part, wherein the bending part is bent to enable the extending part to be located on the back surface of the main body display part, a supporting part area is formed between the extending part and the bending part, the supporting part is located in the supporting part area, a safety distance is preset between the supporting part and the bending part at an interval, a certain distance is arranged between one end, close to the bending part, of a second connecting structure for connecting the supporting part and the extending part and one end, connected with the bending part, of the extending part, and the bending part is coated with curing glue on one side opposite to the supporting part, so that the bending part can be well supported and protected in the folding process of the flexible display device, the.
The embodiment of the utility model provides a flexible display device still includes touch-control layer 8 and apron 9, and touch-control layer 8 is laminated in one side of main part display part 11 support piece 2 dorsad, and touch-control layer 8 accessible optics is glued and is connected with main part display part 11, and apron 9 is laminated in one side of touch-control layer 8 support piece 2 dorsad, and apron 9 accessible optics is glued and is connected with touch-control layer 8. The cover plate can effectively avoid damage caused by the bent parts when being pressed, and the problem that the bent parts are damaged or broken is solved.
The flexible display device provided in this embodiment further includes a flexible wiring board (FPC)10, which is connected to the extension portion 13.
In the present invention, the directions or positional relationships indicated by "upper", "lower", "left", "right", "upper" and the like are the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but not for indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
The above description is only a preferred embodiment of the invention and is intended to illustrate the technical principles applied. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, and other embodiments can be made by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features and (but not limited to) technical features having similar functions disclosed in the present invention are mutually replaced to form the technical solution.
Claims (10)
1. A flexible display device comprises a flexible display panel and a supporting piece, wherein the flexible display panel comprises a main body display part, an extending part and a bending part which is connected with the main body display part and the extending part, the main body display part, the extending part and the supporting piece are arranged in a stacked mode, and the supporting piece is located between the main body display part and the extending part.
2. The flexible display device of claim 1, wherein the preset safety distance is determined by the following relationship:
x≥(Tbonding 2+Toled 2+TSupport piece 2)1/2+Δ；
Wherein x is the preset safety distance; t isBondingIs the fitting tolerance, T, between the flexible display panel and the support memberoledFor the dimensional tolerance of the flexible display panel, TSupport pieceIs a dimensional tolerance of the support; delta is the dislocation amount of the supporting piece relative to the flexible display panel when the main body display part is folded.
3. A flexible display device according to claim 1 or 2, wherein said predetermined safety distance is between 0.2mm and 1 mm.
4. The flexible display device of claim 1, further comprising:
the first film material is attached to one side, facing the support piece, of the flexible display panel and is broken at the bending part;
the second film material is attached to one side, facing the support piece, of the first film material and is broken at the bending part;
a first connecting structure provided at a side of the support member facing the main body display part; and the number of the first and second groups,
a second connecting structure arranged on one side of the support part facing the extension part;
the supporting piece is connected with the second membrane material in an attaching mode through the first connecting structure and the second connecting structure.
5. The flexible display device according to claim 4, wherein a distance exists between an end of the second connecting structure near the bent portion and an end of the extending portion connected to the bent portion in a direction parallel to the extending direction of the extending portion.
6. A flexible display device according to claim 5, wherein said pitch is between 0.1mm and 2 mm.
7. The flexible display device according to claim 1, wherein a side of the bending portion facing away from the supporting member is coated with a curing adhesive.
8. The flexible display device of claim 7, wherein the curing glue extends beyond the bending portion and covers a portion of the extension portion.
9. The flexible display device of claim 8, wherein the length of the extension portion coated with the curing glue in a direction parallel to the extension direction of the extension portion is 0.3mm to 2 mm.
10. The flexible display device of claim 1, further comprising:
the touch layer is attached to one side, back to the support piece, of the main body display part; and the number of the first and second groups,
the cover plate is attached to one side, back to the support piece, of the touch layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020145651.0U CN210896335U (en) | 2020-01-22 | 2020-01-22 | Flexible display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020145651.0U CN210896335U (en) | 2020-01-22 | 2020-01-22 | Flexible display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210896335U true CN210896335U (en) | 2020-06-30 |
Family
ID=71315564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020145651.0U Active CN210896335U (en) | 2020-01-22 | 2020-01-22 | Flexible display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210896335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118486236A (en) * | 2023-12-25 | 2024-08-13 | 荣耀终端有限公司 | Display module and display device |
-
2020
- 2020-01-22 CN CN202020145651.0U patent/CN210896335U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118486236A (en) * | 2023-12-25 | 2024-08-13 | 荣耀终端有限公司 | Display module and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6740331B2 (en) | Foldable display device | |
| US20240157669A1 (en) | Display module and display apparatus | |
| CN111128034A (en) | Flexible display device | |
| CN113140158B (en) | Display panel and display device | |
| CN110782792B (en) | Display device | |
| CN108877531B (en) | Flexible display device | |
| CN113724603B (en) | Display module | |
| CN111554195B (en) | Flexible display module, preparation method thereof and electronic equipment | |
| CN112114452B (en) | Display module | |
| CN210896335U (en) | Flexible display device | |
| CN113516914B (en) | Display module, manufacturing method thereof and display device | |
| CN114078394A (en) | Display module and foldable display device | |
| CN111599280A (en) | Display screen structure, manufacturing method thereof, display panel and display device | |
| CN111627323A (en) | Film laminating structure, display structure and display device | |
| JP2015026343A (en) | Touch panel sensor sheet module and method of manufacturing touch panel system module | |
| CN112002219A (en) | Electronic equipment | |
| CN114783296A (en) | Display device and display terminal | |
| CN113707030A (en) | Flexible display module and display terminal | |
| CN209843113U (en) | Flexible display unit and device capable of displaying picture | |
| CN114038315B (en) | Display panel and display device | |
| CN214395821U (en) | Structure for bending touch membrane through attaching membrane | |
| CN210136673U (en) | Display screen | |
| CN114093243A (en) | Display module and preparation method thereof | |
| CN116110290B (en) | Display panel, preparation method thereof and display device | |
| WO2015015691A1 (en) | Touch panel sensor sheet module and method for manufacturing touch panel system module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |