CN110164309A - Foldable display device - Google Patents
Foldable display device Download PDFInfo
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- CN110164309A CN110164309A CN201910440288.7A CN201910440288A CN110164309A CN 110164309 A CN110164309 A CN 110164309A CN 201910440288 A CN201910440288 A CN 201910440288A CN 110164309 A CN110164309 A CN 110164309A
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- bending part
- support membrane
- bending
- display device
- foldable display
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- 238000005452 bending Methods 0.000 claims abstract description 216
- 239000012528 membrane Substances 0.000 claims description 117
- 238000000034 method Methods 0.000 description 23
- 230000001154 acute effect Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920012266 Poly(ether sulfone) PES Polymers 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The embodiment of the invention provides a foldable display device, relates to the technical field of display, and is used for reducing the possibility of bending failure of a flexible display panel in the foldable display device. The foldable display device includes a flexible display panel and a support film. The flexible display panel comprises a bending part, the bending part comprises a bending shaft, and the bending shaft extends along a first direction. The support film comprises a first support film, the first support film is attached to one side of the bending part, and the first support film covers the center of the bending part. The distance from the first support film to the boundary of the bent portion in the second direction is greater than 0. The second direction is perpendicular to the first direction.
Description
[technical field]
The present invention relates to field of display technology more particularly to a kind of foldable display devices.
[background technique]
With the continuous development of display technology, In order to meet different use demands, the various displays with different characteristics
Product also comes into being therewith.Foldable display device is such a flexible new display product, when in use,
User, which can according to need, folds foldable display device, to reduce the size of display device, improves display device
Portability.Alternatively, foldable display device can also be unfolded, to obtain biggish display picture.Currently, foldable display dress
The performance improvement set has become the focal point of researcher.
[summary of the invention]
In view of this, the embodiment of the invention provides a kind of foldable display devices, to reduce foldable display device
A possibility that middle flexible display panels bending failure.
The embodiment of the invention provides a kind of foldable display device, which includes:
Flexible display panels, including bending part, the bending part include bending axis；The bending axis prolongs along first direction
It stretches；
Support membrane, the support membrane include the first support membrane, and first support membrane fits in the side of the bending part；
First support membrane covers the center of the bending part；
In a second direction, the distance on boundary of first support membrane to the bending part is greater than 0；The second direction is hung down
Directly in the first direction.
Foldable display device provided in an embodiment of the present invention fits in the bending part of flexible display panels by setting
First support membrane, and the center of the first support membrane covering bending part is enabled, so in the process of bending, the first support membrane is set
The crooked process radius for being capable of increasing the center position of bending part in flexible display panels is set, to avoid the occurrence of flexible display panels
Bending failure the problem of.
Also, in a second direction, the embodiment of the present invention is greater than by the distance for enabling the first support membrane to the boundary of bending part
0, that is to say, that the first support membrane is enabled not cover the boundary of bending part.Due in the process of bending, in each position of bending part
Locate, the crooked process radius at the boundary position of bending part is comparatively larger, and therefore, the embodiment of the present invention passes through on the side of bending part
It is not provided with the first support membrane at boundary, the first support membrane is set in the center position of bending part, each position of bending part can be made
The stress at the place of setting reaches unanimity, so that the crooked process radius at each position of bending part be made to reach unanimity, is bending bending part
It forms one as far as possible afterwards and levels off to drops.
[Detailed description of the invention]
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without creative efforts, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is schematic cross-section of a kind of foldable display device under bending state in the prior art；
Fig. 2 is a kind of top view of foldable display device provided in an embodiment of the present invention in the deployed state；
Fig. 3 is the top view of foldable display device shown in Fig. 2 in a folded configuration；
Fig. 4 is a kind of schematic cross-section of the Fig. 3 along AA '；
Fig. 5 is a kind of schematic cross-section of the Fig. 2 along BB '；
Fig. 6 is another schematic cross-section of the Fig. 3 along AA '；
Fig. 7 is another schematic cross-section of the Fig. 2 along BB '；
Fig. 8 is another schematic cross-section of Fig. 2 along BB '；
Fig. 9 is another schematic cross-section of Fig. 2 along BB '.
[specific embodiment]
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention with reference to the accompanying drawing
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
It will be appreciated that though may describe to support using term first, second, third, etc. in embodiments of the present invention
Film, but these support membranes should not necessarily be limited by these terms.These terms are only used to for support membrane being distinguished from each other out.For example, not taking off
In the case where from range of embodiment of the invention, the first support membrane can also be referred to as the second support membrane, similarly, the second support membrane
The first support membrane can also be referred to as.
As shown in FIG. 1, FIG. 1 is schematic cross-section of a kind of foldable display device under bending state in the prior art,
Wherein, for the bending part 1 ' of the foldable display device in bending, the folding s tress being subject at bending center is larger, leads
Cause the crooked process radius at the position too small.After the bending by certain number, it will appear bending trace at the position, seriously
When will also crack, cause the foldable display device bending failure occur, influence the service life of foldable display device.
In view of this, the embodiment of the invention provides a kind of foldable display device, in conjunction with Fig. 2, Fig. 3, Fig. 4 and Fig. 5 institute
Show, Fig. 2 is a kind of top view of foldable display device provided in an embodiment of the present invention in the deployed state, and Fig. 3 is shown in Fig. 2
Foldable display device top view in a folded configuration, Fig. 4 is a kind of schematic cross-section of the Fig. 3 along AA ', and Fig. 5 is the edge Fig. 2
A kind of schematic cross-section of BB ', wherein the foldable display device includes the flexible display panels 1 that can be folded, this is soft
Property display panel 1 include bending part 3, bending part 3 include bending axis 30；Axis 30 is bent to extend along first direction x.The Folding display
Device further includes support membrane 2.Specifically, support membrane 2 includes the first support membrane 21, as shown in Figure 4 and Figure 5, the first support membrane 21
Fit in the side of bending part 3；The center of first support membrane 21 covering bending part 3；Y in a second direction, the first support membrane
The distance on 21 to the boundary of bending part 3 is greater than 0；Second direction y is perpendicular to first direction x.
It bends to bending part 3, when so that the foldable display device adjusting under different working conditions, such as schemes
Shown in 1, for the foldable display device of this not set support membrane in the prior art, the center of bending part 1 '
The generally maximum position of stress, therefore, it is too small to be easy to appear crooked process radius at this location, and flexible display panels is caused to fail
The problem of.Foldable display device provided in an embodiment of the present invention, as shown in figure 4, fitting in flexible display panels 1 by setting
Bending part 3 the first support membrane 21, and enable the first support membrane 21 covering bending part 3 center, to increase bending part 3
The bending difficulty of center position in the process of bending, to increase the center position of bending part 3 in the process of bending curved
Diameter by half avoids that flexible display panels 1 is made the case where overbending occur, avoids flexible display panels 1 from bending failure occur, mentions
The number resistant to bending of the high foldable display device, extends the service life of the foldable display device.
Also, y in a second direction, the embodiment of the present invention is by enabling the first support membrane 21 to the distance on the boundary of bending part 3
Greater than 0, that is to say, that the first support membrane 21 is enabled not contact with the boundary of bending part 3, that is, on second direction y, the first support
Film 21 is not extended to the boundary of bending part 3.Such setting be due to: in the process of bending, at the different location of bending part 3
Stress is different.Specifically, the folding s tress that the center position of bending part 3 is subject to is larger, at the boundary position of bending part 3 by
The folding s tress arrived is smaller, thus causes bending part 1 ' in the prior art and the crooked process radius at the boundary position of non-bending part big
In the crooked process radius of the center position of bending part.Based on this, the embodiment of the present invention is in the center of setting covering bending part 3
It is curved so as to make by being not provided with the first support membrane 21 in the boundary of bending part 3 on the basis of first support membrane 21 at place
Crooked process radius at each position of folding part 3 reaches unanimity, and so that bending part 3 is formed one as far as possible after bending and levels off to water droplet
Shape.
It should be noted that above-mentioned bending axis 30 can be the structure of a physical presence in the flexible display panels 1, or
Person, bending axis 30 may be the imaginary axis for passing through the center of bending part 3 in the flexible display panels 1, soft at this
Not physical presence in property display panel 1.When the flexible display panels 1 are bent, which can be with warp
The bending axis 30 for crossing the center of bending part 3 is that axis is folded, to convert different configuration states.
Illustratively, as shown in figure 3, above-mentioned first support membrane 21 is identical as the bending extending direction of axis 30, that is, first
It supports film 21 and bending axis 30 extends along first direction x, so that the first support membrane 21 can cover bending axis 30, make to bend axis 30
In each position at crooked process radius increase accordingly.
Illustratively, as shown in Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, Fig. 6 is another schematic cross-section of the Fig. 3 along AA ',
Fig. 7 is another schematic cross-section of the Fig. 2 along BB ', and Fig. 8 is another schematic cross-section of Fig. 2 along BB '；Wherein, above-mentioned first
Support membrane 21 includes the first surface 211 being bonded with bending part 3, and the second surface 212 being connected with first surface 211.?
In Fig. 4 and embodiment shown in fig. 5, the angle theta 1 between first surface 211 and second surface 212 is right angle.In Fig. 6 and Fig. 7
Shown in embodiment, the angle theta 1 between first surface 211 and second surface 212 is obtuse angle.Embodiment shown in Fig. 8
In, the angle theta 1 between first surface 211 and second surface 212 is fillet.
As shown in figure 4, when bending part 3 is in bending state, position that the edge of the first support membrane 21 is contacted with bending part 3
It sets and will form stress concentration point at C, be based on this, as shown in Figure 7 and Figure 8, the embodiment of the present invention is by by the first support membrane 21
Angle theta 1 between first surface 211 and second surface 212 is set as fillet or obtuse angle, on the one hand can be avoided first surface
Sharp acute angle is formed between 211 and second surface 212, so that the acute angle be avoided to cause to damage to flexible display panels 1.It is another
Aspect, the embodiment of the present invention are arranged by the angle theta 1 between the first surface 211 and second surface 212 by the first support membrane 21
For fillet or obtuse angle, that is to say, that prolong second surface 212 to the center far from bending part 3 relative to first surface 211
Stretch, in this way during bending, in flexible display panels 1 with the side edge of the first support membrane 21 touching position at shape
At stress concentration point C for, the stress born on stress concentration point C can be with the second surface of the first support membrane 21
212 extending direction is alleviated to the direction of the center position far from bending part 3, sets θ 1 to shown in Figure 4 and 5
The scheme at right angle is compared, and is conducive to improve the stress concentration phenomenon in flexible display panels 1 at bending part 3, is improved Flexible Displays
The bending resistance of panel 1.
Illustratively, under identical stress, the strain of the first support membrane 21 is less than answering for flexible display panels 1
Become.In this way in the side for the bending part 3 that the first support membrane 21 is fitted in flexible display panels 1, in the first support membrane 21 with curved
During folding part 3 is bent together, for flexible display panels 1, since under identical stress, first is supported
The strain of film 21 is less than the strain of flexible display panels 1.Therefore, being fitted at the position of the first support membrane 21 in bending part 3,
The bending difficulty of bending part 3 will increase, to make the crooked process radius phase being fitted at the position of the first support membrane 21 in bending part 3
It will increase compared with the case where not being fitted with the first support membrane 21, lost so that bending occurs in the bending part 3 for reducing flexible display panels 1
A possibility that effect.
Illustratively, as shown in Fig. 2, above-mentioned bending part 3 is symmetrical about the center line of bending part 3；First support membrane 21 closes
It is symmetrical in the center line of bending part 3；The center line of bending part 3 is to extend by 3 center of bending part and along first direction x
Straight line.Illustratively, as shown in Fig. 2, the center line of bending part 3 can be the bending axis 30 of bending part 3 at this time.The present invention is implemented
Such as this setting, after bending, using the center line of bending part 3 as symmetry axis, the first support membrane 21 can be made to the position of bending part 3
It reaches unanimity in the increase degree of the crooked process radius of the part of center line two sides, so that bending part 3 be made to be capable of forming after bending
One levels off to drops.
Illustratively, as shown in figure 9, Fig. 9 is another schematic cross-section of Fig. 2 along BB ', wherein above-mentioned support membrane 2 is also
Including multiple spaced second support membranes 22, the second support membrane 22 and bending part 3 are overlapping, the second support membrane 22 and first
Support film 21 fits in the same side of bending part 3, and, y, the second support membrane 22 are located at the two of the first support membrane 21 in a second direction
Side；Second support membrane 22 extends along first direction x, and y is arranged in a second direction；In a second direction, the second support membrane 22 arrives bending
The distance on the boundary in portion 3 is greater than 0.The embodiment of the present invention can be made in bending part 3 by the setting of the second support membrane 22 with second
Crooked process radius at the overlapping position of support membrane 22 also increases accordingly, moreover, the embodiment of the present invention is by by the second support membrane 22
It is set as interval setting, in a second direction y, enables the second support membrane 22 to the distance on the boundary of bending part 3 also greater than 0, that is,
It says, gap will be provided between two neighboring second support membrane 22.Because opposite at position corresponding with gap in bending part 3 hold
Pliable, relative difficult is bent at position corresponding with the second support membrane 22 in bending part 3, therefore the embodiment of the present invention is so set
Setting can make to be formed alternately arranged pliable region in bending part 3 and be not easy to bend region, thus relative to not set second
For the case where support membrane 22, crooked process radius of the bending part 3 after bending at each position can be made to reach unanimity, make bending part
3 after bending shape more level off to drops.
Illustratively, as shown in figure 9, the distance between above-mentioned first support membrane 21 and the second support membrane 22 adjacent thereto
D1 is less than or equal to the distance between two the second support membranes 22 of arbitrary neighborhood D2.First support membrane 21 and adjacent thereto second
Support the distance between film 22 D1 for y in a second direction, between the first support membrane 21 and the second support membrane 22 adjacent thereto most
Short distance.The embodiment of the present invention is so set, can make in bending part 3 close to the increase degree of the crooked process radius of center position
Greater than the increase degree of the crooked process radius far from center position.Due in the prior art, suffered by the center position of bending part 3
The folding s tress arrived is larger, and therefore, the embodiment of the present invention is arranged such being capable of further each position place in balanced bending part 3
The folding s tress being subject to, so that shape of the bending part 3 after bending be made more to level off to drops.
Illustratively, as shown in figure 9, above-mentioned second support membrane 22 can also be set to off in bending by the embodiment of the present invention
The center line in portion 3 is symmetrical, using the center line of bending part 3 as symmetry axis, to make the second support membrane 22 to bending part 3 after bending
The increase degree of crooked process radius of the part positioned at center line two sides reach unanimity so that shape of the bending part 3 after bending
More level off to drops.
Illustratively, as shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, above-mentioned flexible display panels 1 further include connecting with bending part 3
Non- bending part 4；In the bending process of flexible display panels 1, non-bending part 4 is without bending.Support membrane 2 further includes covering
The third support membrane 23 of non-bending part 4；The setting of third support membrane 23 can play a supporting role to non-bending part 4, guarantee non-
The planarization of bending part 4, and protect non-bending part 4 from rushing the external force resistance of non-bending part 4 from extraneous collision and pollution
The ability enhancing hit, and guarantee the cleanliness of non-bending part 4.Illustratively, as shown in Fig. 2, third support membrane 23 and first
The minimum range supportted between film 21 is greater than 0.That is, third support membrane 23 and the first support membrane 21 is enabled not to contact, it is exemplary
, third support membrane 23 and the first support membrane 21 can be enabled to disconnect at the boundary position of bending part 3 and non-bending part 4.
Optionally, in conjunction with shown in Fig. 2, Fig. 4 and Fig. 5, non-bending part 4 includes positioned at the first non-of 3 opposite sides of bending part
Bending part 41 and the second non-bending part 42；First non-bending part 41 and the second non-bending part 42 include the third table being oppositely arranged
Face 213 and the 4th surface 214.
When bending part 3 is in unfolded state, as shown in figure 5, the of the first non-bending part 41 and the second non-bending part 42
Three surfaces 213 are in same plane, and the 4th surface 214 of the first non-bending part 41 and the second non-bending part 42 is in same flat
The usage experience of user is improved so that the foldable display device can be used in large-size screen monitors and show in face.
When bending part 3 is in bending state, as shown in figure 4, the of the first non-bending part 41 and the second non-bending part 42
It is non-that the distance between the 4th surface 214 of the fitting of three surfaces 213, the first non-bending part 41 and the second non-bending part 42 is equal to first
The sum of the thickness of bending part 41 and the second non-bending part 42.That is, making to bend when making bending part 3 be in bending state
The the first non-bending part 41 and the second non-bending part 42 that portion 3 connects are bonded, and avoid the first non-bending part 41 and the second non-bending part
Occur gap between 42, it can be by the smaller of the thickness design of the foldable display device, convenient for the thin of foldable display device
Typeization design.
As illustrated in figures 4 and 7, above-mentioned third support membrane 23 includes the 5th surface 215, Yi Jiyu being bonded with non-bending part 4
5th surface 215 is connected and close to the 6th surface 216 of bending part 3.
As shown in figure 4, the edge of third support membrane 23 is contacted with non-bending part 4 when bending part 3 is in bending state
It will form stress concentration point at the D of position, be based on this, as shown in Figure 6 and Figure 7, the embodiment of the present invention is by by 215 He of the 5th surface
Angle theta 2 between 6th surface 216 is set as obtuse angle, on the one hand can be avoided between the 5th surface 215 and the 6th surface 216
Sharp acute angle is formed, so that the acute angle be avoided to cause to damage to flexible display panels 1.On the other hand, the embodiment of the present invention is logical
It crosses and sets obtuse angle for the angle theta 2 between the 5th surface 215 of third support membrane 23 and the 6th surface 216, that is to say, that make
6th surface 216 extends relative to the 5th surface 215 to the direction far from non-bending part 4, in this way during bending, for
For the stress concentration point D formed at the position being in contact in flexible display panels 1 with third support membrane 23, the stress concentration point
The stress born on D can with the 6th surface 216 of third support membrane 23 extending direction to far from non-bending part 4 side
To being alleviated, the stress collection in flexible display panels 1 at position corresponding with the edge of third support membrane 23 is advantageously reduced
Middle phenomenon further increases the bending resistance of flexible display panels 1.
Likewise, the angle theta 2 between above-mentioned 5th surface 215 and the 6th surface 216 may be set to be fillet, it is former
Reason is similar with the case where setting obtuse angle for θ 2, and details are not described herein again.
It should be noted that the cross sectional shape of Fig. 6, Fig. 7 and the first support membrane 21 and third support membrane 23 shown in fig. 8
Only illustrate, in fact, setting fillet or obtuse angle for the angle theta 1 between first surface 211 and second surface 212, and
It, can also be by first on the basis of setting obtuse angle or fillet for the angle theta 2 between the 5th surface 215 and the 6th surface 216
The cross sectional shape of support film 21 and third support membrane 23 is set as other.
Illustratively, it as shown in figure 5, being provided in above-mentioned flexible display panels 1 for luminous luminescent device 5, shines
Place side of the device 5 in flexible display panels 1 is the light emission side of the flexible display panels 1.Above-mentioned support membrane 2 is located at flexible aobvious
Show side of the panel 1 backwards to light emission side, it is soft to avoid influencing on the basis of guaranteeing the bending reliability of flexible display panels 1
The normal display of property display panel 1.
Optionally, luminescent device can be organic light emitting diode device, which may be disposed at
In flexible substrates.Flexible substrates can be by forming, for example, flexible substrates can be polyimides with insulating materials flexible
(PI), polycarbonate (PC), polyether sulfone (PES), polyethylene terephthalate (PET), polyethylene naphthalate
(PEN) etc. polymer materials are formed.Illustratively, which can also be transparent, translucent or opaque.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (11)
1. a kind of foldable display device characterized by comprising
Flexible display panels, including bending part, the bending part include bending axis；The bending axis extends in a first direction；
Support membrane, the support membrane include the first support membrane, and first support membrane fits in the side of the bending part；It is described
First support membrane covers the center of the bending part；
In a second direction, the distance on boundary of first support membrane to the bending part is greater than 0；The second direction perpendicular to
The first direction.
2. foldable display device according to claim 1, which is characterized in that
First support membrane extends along the first direction.
3. foldable display device according to claim 1, which is characterized in that
First support membrane includes the first surface being bonded with the bending part, and second to be connected with the first surface
Surface；
Angle between the first surface and the second surface is obtuse angle, or, the first surface and the second surface
Between angle be fillet.
4. foldable display device according to claim 1, which is characterized in that
Under identical stress, the strain of first support membrane is less than the strain of the flexible display panels.
5. foldable display device according to claim 1, which is characterized in that
The bending part is symmetrical about the center line of the bending part；Center line of first support membrane about the bending part
Symmetrically；The center line of the bending part is by bending part center and along the straight line of first direction extension.
6. foldable display device according to claim 5, which is characterized in that
The support membrane further includes multiple spaced second support membranes, and second support membrane and the bending part are overlapping,
Second support membrane and first support membrane fit in the same side of the bending part, and, it is described along the second direction
Second support membrane is located at the two sides of first support membrane；Second support membrane extends along the first direction, along described
The arrangement of two directions；
In a second direction, the distance on boundary of second support membrane to the bending part is greater than 0.
7. foldable display device according to claim 6, which is characterized in that
The distance between first support membrane and second support membrane adjacent thereto are less than or equal to two institutes of arbitrary neighborhood
State the distance between second support membrane.
8. foldable display device according to claim 1, which is characterized in that
The flexible display panels further include the non-bending part connecting with the bending part；
The support membrane further includes the third support membrane overlapped with the non-bending part；
Minimum range between the third support membrane and first support membrane is greater than 0.
9. foldable display device according to claim 8, which is characterized in that the non-bending part includes positioned at described curved
The non-bending part of the first of folding part opposite sides and the second non-bending part；
The first non-bending part and the second non-bending part include the third surface and the 4th surface being oppositely arranged；
When the bending part is in unfolded state, the third table of the first non-bending part and the second non-bending part
Face is in same plane, and the 4th surface of the first non-bending part and the second non-bending part is in same plane；
When the bending part is in bending state, the third table of the first non-bending part and the second non-bending part
Face paste is closed, and the distance between described 4th surface of the first non-bending part and the second non-bending part is equal to described first
The sum of the thickness of non-bending part and the second non-bending part.
10. foldable display device according to claim 8, which is characterized in that
The third support membrane includes the 5th surface being bonded with the non-bending part, and is connected and leans on the 5th surface
6th surface of the nearly bending part；
Angle between 5th surface and the 6th surface is obtuse angle, or, the 5th surface and the 6th surface
Between angle be fillet.
11. foldable display device according to claim 1, which is characterized in that
The support membrane is located at the flexible display panels backwards to the side of light emission side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910440288.7A CN110164309B (en) | 2019-05-24 | 2019-05-24 | Foldable display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910440288.7A CN110164309B (en) | 2019-05-24 | 2019-05-24 | Foldable display device |
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| Publication Number | Publication Date |
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| CN110164309A true CN110164309A (en) | 2019-08-23 |
| CN110164309B CN110164309B (en) | 2022-02-22 |
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| CN201910440288.7A Active CN110164309B (en) | 2019-05-24 | 2019-05-24 | Foldable display device |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111081150A (en) * | 2019-12-31 | 2020-04-28 | 厦门天马微电子有限公司 | Support membrane and display device |
| CN111105716A (en) * | 2020-01-08 | 2020-05-05 | 合肥维信诺科技有限公司 | Display device |
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| CN111739423A (en) * | 2020-06-30 | 2020-10-02 | 武汉华星光电半导体显示技术有限公司 | Support film and display module |
| CN111855437A (en) * | 2020-07-15 | 2020-10-30 | 武汉华星光电半导体显示技术有限公司 | Bending plate and bending device |
| CN112562514A (en) * | 2020-12-15 | 2021-03-26 | 合肥维信诺科技有限公司 | Bending structure, display device and bending jig |
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| CN113724596A (en) * | 2021-08-30 | 2021-11-30 | 京东方科技集团股份有限公司 | Display device, display module and folding structure |
| WO2021238461A1 (en) * | 2020-05-29 | 2021-12-02 | 华为技术有限公司 | Display apparatus and electronic device |
| CN113936550A (en) * | 2020-06-29 | 2022-01-14 | 华为技术有限公司 | Inward folding screen electronic equipment |
| CN114387875A (en) * | 2020-10-22 | 2022-04-22 | 华为技术有限公司 | Foldable cover plate assembly and manufacturing method thereof, foldable display device and manufacturing method thereof |
| WO2022174654A1 (en) * | 2021-02-22 | 2022-08-25 | 华为技术有限公司 | Foldable support plate, flexible screen module and foldable electronic device |
| CN115151967A (en) * | 2020-02-28 | 2022-10-04 | 住友化学株式会社 | Optical laminate and flexible image display device |
| CN115311942A (en) * | 2022-07-22 | 2022-11-08 | 昆山国显光电有限公司 | Display module and display device |
| WO2024045334A1 (en) * | 2022-08-31 | 2024-03-07 | 合肥维信诺科技有限公司 | Display module and display device |
| WO2024108806A1 (en) * | 2022-11-23 | 2024-05-30 | 合肥维信诺科技有限公司 | Foldable display apparatus and manufacturing method therefor, and electronic device |
| EP4293995A4 (en) * | 2021-09-18 | 2024-09-18 | Honor Device Co Ltd | Display assembly and foldable electronic device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104714699A (en) * | 2015-04-13 | 2015-06-17 | 京东方科技集团股份有限公司 | Flexible display device |
| KR20150096946A (en) * | 2014-02-17 | 2015-08-26 | 삼성전자주식회사 | Hinge unit and Foldable display apparatus having the same |
| CN105830140A (en) * | 2014-02-21 | 2016-08-03 | 三星电子株式会社 | Foldable device |
| CN106061154A (en) * | 2016-05-27 | 2016-10-26 | 京东方科技集团股份有限公司 | Display device shell and display device |
| CN106601130A (en) * | 2016-12-12 | 2017-04-26 | 上海天马微电子有限公司 | Folding flexible display device |
| CN106652802A (en) * | 2017-02-27 | 2017-05-10 | 上海天马微电子有限公司 | Foldable display device |
| CN107093372A (en) * | 2012-06-25 | 2017-08-25 | 三星电子株式会社 | Display system |
| CN108073230A (en) * | 2016-11-14 | 2018-05-25 | 创王光电股份有限公司 | Flexible electronic device and the method using flexible electronic device |
| CN108447403A (en) * | 2018-04-03 | 2018-08-24 | 武汉华星光电半导体显示技术有限公司 | Flexible display apparatus and its manufacturing method |
| CN108665804A (en) * | 2017-03-31 | 2018-10-16 | 元太科技工业股份有限公司 | Folding electronic paper display devices and its manufacturing method |
| CN108831309A (en) * | 2018-06-29 | 2018-11-16 | 上海天马微电子有限公司 | Display device |
| CN109541834A (en) * | 2018-12-29 | 2019-03-29 | 厦门天马微电子有限公司 | Display panel and display device |
-
2019
- 2019-05-24 CN CN201910440288.7A patent/CN110164309B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107093372A (en) * | 2012-06-25 | 2017-08-25 | 三星电子株式会社 | Display system |
| KR20150096946A (en) * | 2014-02-17 | 2015-08-26 | 삼성전자주식회사 | Hinge unit and Foldable display apparatus having the same |
| CN105830140A (en) * | 2014-02-21 | 2016-08-03 | 三星电子株式会社 | Foldable device |
| CN104714699A (en) * | 2015-04-13 | 2015-06-17 | 京东方科技集团股份有限公司 | Flexible display device |
| CN106061154A (en) * | 2016-05-27 | 2016-10-26 | 京东方科技集团股份有限公司 | Display device shell and display device |
| CN108073230A (en) * | 2016-11-14 | 2018-05-25 | 创王光电股份有限公司 | Flexible electronic device and the method using flexible electronic device |
| CN106601130A (en) * | 2016-12-12 | 2017-04-26 | 上海天马微电子有限公司 | Folding flexible display device |
| CN106652802A (en) * | 2017-02-27 | 2017-05-10 | 上海天马微电子有限公司 | Foldable display device |
| CN108665804A (en) * | 2017-03-31 | 2018-10-16 | 元太科技工业股份有限公司 | Folding electronic paper display devices and its manufacturing method |
| CN108447403A (en) * | 2018-04-03 | 2018-08-24 | 武汉华星光电半导体显示技术有限公司 | Flexible display apparatus and its manufacturing method |
| CN108831309A (en) * | 2018-06-29 | 2018-11-16 | 上海天马微电子有限公司 | Display device |
| CN109541834A (en) * | 2018-12-29 | 2019-03-29 | 厦门天马微电子有限公司 | Display panel and display device |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112700728A (en) * | 2019-10-23 | 2021-04-23 | Oppo广东移动通信有限公司 | Display module and electronic equipment |
| CN111124182A (en) * | 2019-12-25 | 2020-05-08 | Oppo广东移动通信有限公司 | Flexible screen assembly and flexible screen terminal |
| CN111081150A (en) * | 2019-12-31 | 2020-04-28 | 厦门天马微电子有限公司 | Support membrane and display device |
| CN111105716A (en) * | 2020-01-08 | 2020-05-05 | 合肥维信诺科技有限公司 | Display device |
| CN111105716B (en) * | 2020-01-08 | 2021-09-24 | 合肥维信诺科技有限公司 | Display device |
| CN115151967A (en) * | 2020-02-28 | 2022-10-04 | 住友化学株式会社 | Optical laminate and flexible image display device |
| CN115151967B (en) * | 2020-02-28 | 2024-05-10 | 住友化学株式会社 | Optical laminate and flexible image display device |
| CN111312079A (en) * | 2020-03-10 | 2020-06-19 | 京东方科技集团股份有限公司 | Flexible device |
| WO2021238461A1 (en) * | 2020-05-29 | 2021-12-02 | 华为技术有限公司 | Display apparatus and electronic device |
| CN113936550B (en) * | 2020-06-29 | 2023-02-14 | 华为技术有限公司 | Inward folding screen electronic equipment |
| CN113936550A (en) * | 2020-06-29 | 2022-01-14 | 华为技术有限公司 | Inward folding screen electronic equipment |
| CN111739423A (en) * | 2020-06-30 | 2020-10-02 | 武汉华星光电半导体显示技术有限公司 | Support film and display module |
| CN111855437A (en) * | 2020-07-15 | 2020-10-30 | 武汉华星光电半导体显示技术有限公司 | Bending plate and bending device |
| CN114387875A (en) * | 2020-10-22 | 2022-04-22 | 华为技术有限公司 | Foldable cover plate assembly and manufacturing method thereof, foldable display device and manufacturing method thereof |
| CN114387875B (en) * | 2020-10-22 | 2022-11-11 | 华为技术有限公司 | Foldable cover plate assembly and manufacturing method thereof, foldable display device and manufacturing method thereof |
| CN112562514A (en) * | 2020-12-15 | 2021-03-26 | 合肥维信诺科技有限公司 | Bending structure, display device and bending jig |
| WO2022174654A1 (en) * | 2021-02-22 | 2022-08-25 | 华为技术有限公司 | Foldable support plate, flexible screen module and foldable electronic device |
| CN113724596A (en) * | 2021-08-30 | 2021-11-30 | 京东方科技集团股份有限公司 | Display device, display module and folding structure |
| EP4293995A4 (en) * | 2021-09-18 | 2024-09-18 | Honor Device Co Ltd | Display assembly and foldable electronic device |
| CN115311942A (en) * | 2022-07-22 | 2022-11-08 | 昆山国显光电有限公司 | Display module and display device |
| CN115311942B (en) * | 2022-07-22 | 2023-12-08 | 昆山国显光电有限公司 | Display module and display device |
| WO2024045334A1 (en) * | 2022-08-31 | 2024-03-07 | 合肥维信诺科技有限公司 | Display module and display device |
| WO2024108806A1 (en) * | 2022-11-23 | 2024-05-30 | 合肥维信诺科技有限公司 | Foldable display apparatus and manufacturing method therefor, and electronic device |
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