CN106652802A - Foldable display device - Google Patents
Foldable display device Download PDFInfo
- Publication number
- CN106652802A CN106652802A CN201710107059.4A CN201710107059A CN106652802A CN 106652802 A CN106652802 A CN 106652802A CN 201710107059 A CN201710107059 A CN 201710107059A CN 106652802 A CN106652802 A CN 106652802A
- Authority
- CN
- China
- Prior art keywords
- display device
- gripper shoe
- foldable display
- folding region
- rubber
- 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.)
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Links
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- 239000005020 polyethylene terephthalate Substances 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 239000004642 Polyimide Substances 0.000 claims description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
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- 238000010586 diagram Methods 0.000 description 12
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- 230000002441 reversible effect Effects 0.000 description 4
- BLIQUJLAJXRXSG-UHFFFAOYSA-N 1-benzyl-3-(trifluoromethyl)pyrrolidin-1-ium-3-carboxylate Chemical compound C1C(C(=O)O)(C(F)(F)F)CCN1CC1=CC=CC=C1 BLIQUJLAJXRXSG-UHFFFAOYSA-N 0.000 description 3
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- 239000004342 Benzoyl peroxide Substances 0.000 description 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
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- DMWVYCCGCQPJEA-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhexane Chemical class CC(C)(C)OOC(C)(C)CCC(C)(C)OOC(C)(C)C DMWVYCCGCQPJEA-UHFFFAOYSA-N 0.000 description 1
- YKTNISGZEGZHIS-UHFFFAOYSA-N 2-$l^{1}-oxidanyloxy-2-methylpropane Chemical group CC(C)(C)O[O] YKTNISGZEGZHIS-UHFFFAOYSA-N 0.000 description 1
- BIISIZOQPWZPPS-UHFFFAOYSA-N 2-tert-butylperoxypropan-2-ylbenzene Chemical compound CC(C)(C)OOC(C)(C)C1=CC=CC=C1 BIISIZOQPWZPPS-UHFFFAOYSA-N 0.000 description 1
- BDCLTORUANJIBT-UHFFFAOYSA-N 3-butylperoxy-1,1,5-trimethylcyclohexane Chemical compound CCCCOOC1CC(C)CC(C)(C)C1 BDCLTORUANJIBT-UHFFFAOYSA-N 0.000 description 1
- GJCOSYZMQJWQCA-UHFFFAOYSA-N 9H-xanthene Chemical compound C1=CC=C2CC3=CC=CC=C3OC2=C1 GJCOSYZMQJWQCA-UHFFFAOYSA-N 0.000 description 1
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
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- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
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- 238000001962 electrophoresis Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000006897 homolysis reaction Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
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- 150000004702 methyl esters Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
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- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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- 239000012745 toughening agent Substances 0.000 description 1
- MEBONNVPKOBPEA-UHFFFAOYSA-N trimethyl cyclohexane Natural products CC1CCCCC1(C)C MEBONNVPKOBPEA-UHFFFAOYSA-N 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 229920001285 xanthan gum Polymers 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
Landscapes
- 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 invention describes a foldable display device comprising: a display panel; the display panel comprises a display panel and a supporting plate, wherein the supporting plate is arranged on the backlight side of the display panel and comprises a folding area and a non-folding area, no interface is arranged between the folding area and the non-folding area to form an integrated structure, the folding area comprises a flexible part, the non-folding area comprises a rigid part, and the elastic modulus of the rigid part is greater than that of the flexible part, so that the folding area has bending resistance, the rigidity of the non-folding area is stronger, and foldable display in a fixed area is realized. And no interface is arranged between the folding area and the non-folding area to form an integral structure, so that the interface is not cracked during bending.
Description
Technical field
The present invention relates to foldable display field, more particularly to a kind of foldable display device.
Background technology
With the continuous development of Display Technique, display floater manufacturing technology also tends to maturation, and existing display floater is main
Including organic EL display panel (Organic Light Emitting Diode, OLED), display panels
(Liquid Crystal Display, LCD), Plasmia indicating panel (Plasma Display Panel, PDP) etc..Now,
For the public demands in portable set (such as mobile phone, panel computer etc.) are continuously increased.Foldable display device tool
The features such as having portable, large scale screen.Therefore, the public shows keen interest for foldable display device.
As shown in figure 1, in upper surface in order to protect display floater 10 ' by extraneous scraping and punching in existing display floater
Hit, be provided with covering window 80 ', arranging supporting mechanism 20 ' in lower surface prevents display floater 10 ' due to arbitrarily curling or bending
Cause failure.But, the limitation of the bending ability due to covering window 80 ' and supporting mechanism 20 ' itself causes Flexible Displays face
The bending performance of plate is limited.Refer to Fig. 2, Fig. 2 is a kind of foldable display device structure schematic diagram of prior art, improves
The foldability energy of display floater, can arrange a kind of gripper shoe 20 on substrate ", wherein gripper shoe 20 " comprising folding region 202 "
With non-collapsible district 201 ", folding region 202 " flexibility be more than non-collapsible district 201 " flexibility, folding region and non-collapsible district be not using
Same material attaches to respectively substrate 10 " on.The prior art is due to gripper shoe 20 " folding region and non-collapsible district using different
Material attach to respectively on substrate, in bending, have stress to the left at the edge of folding region, folding region have to the right should
Power, is easily peeling in the interface of folding region and non-collapsible district.
The content of the invention
In view of this, the present invention provides a kind of foldable display device, including：
Display floater；
Gripper shoe, is arranged at the backlight side of the display floater, wherein, the gripper shoe includes folding region and non-collapsible
Area, it is into a single integrated structure without interface between the folding region and the non-collapsible district, and the folding region includes flexible portion,
The non-collapsible district includes rigid element, and the elastic modelling quantity of the rigid element is more than the elastic modelling quantity of the flexible portion.
The embodiment of the present invention provides a kind of foldable display device, a kind of comprising folding region and non-collapsible district by designing
Gripper shoe, folding region includes flexible portion, and non-collapsible district includes rigid element, and the elastic modelling quantity of rigid element is more than flexible portion
Elastic modelling quantity, make folding region that there is bending resistance characteristic, non-collapsible district rigidity is relatively strong, foldable aobvious in FX so as to realize
Show.And it is into a single integrated structure without interface between folding region and non-collapsible district, will not be in Interface Cracking when making bending.
Description of the drawings
Fig. 1 is a kind of foldable display device structure schematic diagram in prior art；
Fig. 2 is a kind of foldable display device folded state schematic diagram in prior art；
Fig. 3 is a kind of foldable display device structure schematic diagram provided in an embodiment of the present invention；
Fig. 4 is a kind of foldable display device folded state schematic diagram provided in an embodiment of the present invention；
Fig. 5 is another kind of foldable display device folded state schematic diagram provided in an embodiment of the present invention；
Fig. 6 is another kind of foldable display device folded state schematic diagram provided in an embodiment of the present invention；
Fig. 7 is another kind of foldable display device structure schematic diagram provided in an embodiment of the present invention；
Fig. 8 is another kind of foldable display device folded state schematic diagram provided in an embodiment of the present invention.
Specific embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent from, below in conjunction with accompanying drawing and enforcement
The present invention will be further described for example.However, example embodiment can be implemented in a variety of forms, and it is not understood as limited to
Embodiment set forth herein；Conversely, these embodiments are provided so that the present invention more comprehensively and completely, and by example embodiment party
The design of formula comprehensively conveys to those skilled in the art.Identical reference represents same or similar knot in figure
Structure, thus repetition thereof will be omitted.Expression position described in the present invention and the word in direction, are to be with accompanying drawing
The explanation that example is carried out, but can also make a change as needed, make change and be all contained in the scope of the present invention.The present invention
Accompanying drawing be only used for illustrate relative position relation, the thickness at some positions employs the plotting mode lavished praise on oneself in order to understand, attached
Thickness in figure does not represent the proportionate relationship of actual thickness.
It should be noted that elaborating detail in order to fully understand the present invention in the following description.But this
Bright to be implemented different from alternate manner described here with various, those skilled in the art can be without prejudice in the present invention
Similar popularization is done in the case of culvert.Therefore the present invention is not limited by following public specific embodiment.Such as in specification and
Claim some vocabulary used in are censuring specific components.Those skilled in the art are, it is to be appreciated that hardware manufacturer can
Same component can be called with different nouns.This specification and claims are not used as differentiation group with the difference of title
The mode of part, but the difference with component functionally is used as the criterion distinguished.Such as work as in specification in the whole text and claim
Mentioned in "comprising" be an open language, therefore " include but be not limited to " should be construed to.It will be understood that, such as illustrate in the whole text
The part of book and claim mentioned in is located at " side " of another part comprising the part and another part phase
Adjacent or non-conterminous situation.As a part in specification in the whole text and claim mentioned in is located at another part
" on " comprising the part and another part be adjacent or non-conterminous situation.Specification subsequent descriptions be implement the application compared with
Good embodiment, so the description is for the purpose of the rule for illustrating the application, to be not limited to scope of the present application.
The protection domain of the application ought be defined depending on the claims person of defining.
It should be noted that elaborating detail in order to fully understand the present invention in the following description.But this
Bright to be implemented different from alternate manner described here with various, those skilled in the art can be without prejudice in the present invention
Similar popularization is done in the case of culvert.Therefore the present invention is not limited by following public specific embodiment.
Fig. 3 is refer to, Fig. 3 is a kind of foldable display device structure schematic diagram provided in an embodiment of the present invention, including：It is aobvious
Show panel 10；Gripper shoe 20, is arranged at the backlight side of display floater 10, wherein, gripper shoe 20 includes folding region 202 and non-collapsible
Area 201, it is into a single integrated structure without interface between folding region 202 and non-collapsible district 201, and folding region 202 includes flexible portion,
Non-collapsible district 201 includes rigid element, and the elastic modelling quantity of rigid element is more than the elastic modelling quantity of flexible portion.The embodiment of the present invention
By designing a kind of gripper shoe 20 comprising folding region 202 and non-collapsible district 201, folding region 202 includes flexible portion, non-collapsible
Area 201 includes rigid element, and the elastic modelling quantity of rigid element has folding region 202 resistance to more than the elastic modelling quantity of flexible portion
Bending characteristic, the rigidity of non-collapsible district 201 is relatively strong, so as to realize display foldable in FX.Wherein to folding region and/or non-
Folding region is modified process, make between folding region 202 and non-collapsible district 201 without interface and it is into a single integrated structure, when making bending
Will not be in Interface Cracking.Referring to Fig. 4, Fig. 4 illustrates for a kind of foldable display device folded state provided in an embodiment of the present invention
Figure, from fig. 4, it can be seen that because folding region and non-collapsible district are structure as a whole, not having obvious interface, Ke Yitong in bending
Cross the selection to gripper shoe matrix material and gripper shoe matrix material be modified, make folding region that there is larger deformation,
Non-collapsible district has higher rigidity and intensity, is ftractureed due to the presence at interface without occurring in folding region and non-collapsible district
Phenomenon.
Alternatively, the matrix material of gripper shoe can include rubber, polyimides (PI), polyamide (PA), Merlon
(PC), Poly-s 179 (PES), polyethylene terephthalate (PET), PEN (PEN), poly- methyl-prop
Any one in e pioic acid methyl ester (PMMA), cyclic olefine copolymer (COC).
Alternatively, non-collapsible district can increase comprising toughening material to gripper shoe matrix material in the embodiment of the present invention
It is tough, to improve the intensity of includes non-collapsible region, make foldable display device have antidetonation, it is resistance to fall, resistance to pressing, the performance such as resistance to touch-control.
And folding region keeps gripper shoe matrix material to be easier to deformation performance, so that foldable display device can roll in FX
It is folded.The toughening material can comprising fiber, for example can be nanofiber, native cellulose, polyamide fibre, polypropylene fibre, terylene, acrylic fibers,
The macromolecule resins such as acetate fiber.Blending process can be carried out by the gripper shoe to non-collapsible district, so as to improve non-collapsible district
The intensity in domain, so that foldable display device has the physical strengths such as certain resistance to compression, makes folding region keep matrix material
Reversible deformation, even if repeatedly deformation occurs in folding region can also to keep preferably recovering the performance of original form.For folding
Area can also carry out appropriate toughness reinforcing and process, for the selection of toughener is improving the foldability energy of fold domain, and folding
The purpose that poststack can preferably recover and not produce folding line is selected, and inventive embodiments of the present invention are not limited this.This
In inventive embodiments, the backlight side that gripper shoe is attached to again the gripper shoe in non-collapsible district toughness reinforcing substrate can be first prepared.
Alternatively, the matrix material of the gripper shoe 20 can include rubber, and non-collapsible district 201 to rubber comprising through carrying out
The polymer mesh structure that vulcanizing treatment is obtained.The strand that rubber has the high resiliency of reversible deformation, rubber can be crosslinked, and hand over
Rubber after connection has good physical and mechanical property and chemical stability.The matrix material of gripper shoe can in the embodiment of the present invention
To use rubber, wherein the vulcanization crosslinking that rubber is carried out to non-collapsible district is processed, includes non-collapsible region is set to have stronger physics strong
Degree and ageing-resistant performance, and folding region keeps the reversible deformation of rubber, even if repeatedly deformation occurs in folding region can also keep
Preferably recover the performance of original property.Can be that the rubber of non-collapsible district 201 first to gripper shoe enters in the embodiment of the present invention
Backlight side that gripper shoe is attached to substrate by row vulcanizing treatment again, or first gripper shoe is attached into substrate backlight side again
Vulcanizing treatment is carried out to the rubber of non-collapsible district.
Alternatively, the matrix material of the gripper shoe 20 in the embodiment of the present invention can be rubber, and non-collapsible district can pass through
Fluorination treatment is carried out to rubber to obtain, so that the rubber of non-collapsible district contains carbon-fluorine bond and has stronger intensity.For example,
Fluorination can be carried out to rubber surface change using the generation chemical reaction that contact with elastomeric material surface such as fluorine gas or xenon difluoride
Property.Xenon difluoride surface fluorination is to make xenon difluoride rise Huawei's gaseous state by controlling temperature, and it is anti-that fluorination occurs with rubber surface
Should.As the reaction time extends, rubber surface hydrogen atom is replaced by fluorine atoms and becomes carbon-fluorine bond, carbon-hydrogen link key by carbon-hydrogen link
Can about 415KJ/mol, carbon-fluorine bond bond energy about 515KJ/mol, and improve before rubber be linear molecule, and be fluorinated improve after
Rubber be changed into the molecule of cross-linked structure, the intensity for making rubber is greatly enhanced.The matrix material of the gripper shoe of the embodiment of the present invention
Rubber can be used, carrying out fluorination treatment by the rubber to non-collapsible district improves the intensity of includes non-collapsible region, and folding region is protected
The superior deformation nature of rubber is held, makes gripper shoe in integrative-structure, prevented because folding region and non-collapsible district are due to interface
Exist and ftracture at interface.Can be that the rubber of non-collapsible district 201 first to gripper shoe carries out fluorine in the embodiment of the present invention
Change processes and again gripper shoe is attached into the backlight side of substrate, or first gripper shoe is attached into the backlight side of substrate again to non-
The rubber of folding region carries out fluorination treatment.
Alternatively, the matrix material of the gripper shoe in the embodiment of the present invention can be rubber, the non-collapsible district of gripper shoe 20
Comprising the polymer mesh structure obtained through peroxide treatment.The strand of rubber is mainly comprising unsaturated carbon-carbon bond
Linear molecule, peroxide and rubber altogether heat when homolysis produce free radical, then by Radical Addition or capture rubber
ɑ on xanthan molecule chain-methylene active hydrogen carries out cross-linking reaction, so as to constantly form carbon-carbon crosslink during the course of the reaction, makes
Wire rubber molecule becomes polymer mesh structure, makes the intensity increase of the rubber of includes non-collapsible region.And folding region keeps rubber
Superior deformation nature, make gripper shoe in integrative-structure, prevent presence due to folding region and non-collapsible district due to interface and
Ftracture at interface.Peroxide for rubber cross can be material that a class contains o-o bond.Two acyls can be included
Base peroxide, tert-alkyl peroxy acid esters, alkyl hydroperoxide, dialkyl peroxide, dialkyl group peroxy ketal, peroxidating
Diisopropylbenzene (DIPB) (DCP), benzoyl peroxide (BPO), 1,1 di tert butylperoxy 3,3,5 trimethylcyclohexane (BPMC),
2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes (DBPMH), 1,3- double (tert-butyl peroxy isopropyl) benzene (BIPB) etc.,
This present invention is not limited.Can be that the rubber of non-collapsible district 201 first to gripper shoe carries out peroxide in the embodiment of the present invention
Change processes and again gripper shoe is attached into the backlight side of substrate, or first gripper shoe is attached into the backlight side of substrate again to non-
The rubber of folding region carries out peroxidating process.
Alternatively, the matrix material of the gripper shoe in the embodiment of the present invention can be rubber, the non-collapsible district of gripper shoe 20
Comprising the rigidified rubber obtained through ion implanting process.Ion implanting in the embodiment of the present invention can alternatively use fluorine ion
Injection is processed rubber, hardens rubber, intensity increase.So that the non-collapsible district of gripper shoe is with higher intensity
Folding region keeps the reversible deformation of rubber, even if repeatedly deformation occurs in folding region can also to keep preferably recovering original property
Performance, for the selection present invention of injected ion is not specifically limited, as long as non-collapsible district inject ion technology
Scheme is all in the protection domain of the embodiment of the present invention.Can be first to the non-collapsible district 201 of gripper shoe in the embodiment of the present invention
Rubber carry out ion implanting and to process again gripper shoe is attached into the backlight side of substrate, or first gripper shoe is attached into base
The backlight side of plate carries out ion implanting process to the rubber of non-collapsible district again, and this present invention is not limited.
The embodiment of the present invention is set to gripper shoe comprising folding region and non-collapsible district, and folding region includes flexible portion, non-
Folding region includes rigid element, and the elastic modelling quantity of rigid element is fixing display device more than the elastic modelling quantity of flexible portion
Region can fold, and between folding region and non-collapsible district without interface and it is into a single integrated structure, make display device fold when
Cracking will not be caused due to the presence at interface, or cause have obvious folding line due to the presence at interface, so as to affect can
The life-span of Folding display device and display effect.
Alternatively, in the embodiment of the present invention, the elastic modelling quantity of folding region can be 0.0001-0.01GPa, so that folding region
With larger deformation quantity, make foldable display device that there are less folding radius, to meet folding radius as 3mm-10mm
Demand, enable foldable display device that there is preferable foldability.The elastic modelling quantity of non-collapsible district is more than 1GPa, so that
Can just make non-collapsible district that there is preferably rigidity during gripper shoe thinner thickness, there is foldable display device certain strong
Degree, make foldable display device have antidetonation, it is resistance to fall, resistance to pressing, the performance such as resistance to touch-control because supporting, plate thickness is too thick to be unfavorable for
Bending.Amid all these factors, in the embodiment of the present invention, the elastic modelling quantity of folding region can be 0.0001-0.01GPa, non-collapsible
The elastic modelling quantity in area is more than 1GPa, and folding device can be made to have less folding radius and with larger intensity, comprehensive
Close better performances.
Display floater 10 is optionally flexible display panels, can show for organic light-emitting diode display, light emitting diode
Show, electrophoresis showed, Electronic Paper, liquid crystal display etc..For the type present invention of display floater is not limited this, as long as it is foldable
Display floater be suitable for, those skilled in the art can be selected according to demand.
Alternatively, referring to Fig. 4, in Fig. 4, foldable display device deviates from a lateral bending of gripper shoe 20 to display floater 10
Folding, now, the width L of folding region meetsWherein, R is crooked process radius, and T1 is the thickness of display floater
Degree, T2 is the thickness of gripper shoe 20.Fold domain is divided into two regions of A and B by the median plane 30 of fold domain in Fig. 4, due to
The bending of folding region, makes B regions be subject to compression, a-quadrant to be subject to tension, when being that this folding region is bent, at least need
The median plane position for ensureing folding region does not deform upon, therefore the width L of folding region needs to meet
Referring to Fig. 5, if folding sector widthThen the non-collapsible district adjacent with folding region can be bent,
The non-collapsible district can be subject to larger tension, due to non-collapsible district be it is rigid, elastic modelling quantity be more than 1GPa, deformation quantity compared with
It is little, larger stress concentration can be formed in the position, can cause cracking due to stress in folding region and non-collapsible district.
Alternatively, referring to Fig. 6, Fig. 6 is a kind of foldable display device another kind rugosity provided in an embodiment of the present invention
State schematic diagram.In Fig. 6, foldable display device to gripper shoe 20 bends away from the side of display floater 10, now, folding region
Width L meetsWherein, R is crooked process radius, and T2 is the thickness of gripper shoe 20.In the same manner, folding region in Fig. 5
Folding is distinguished into two regions of A and B by median plane 30, due to the bending of folding region, makes B regions be subject to compression, and a-quadrant is subject to
Tension, when being that this folding region is bent, at least needs the median plane position for ensureing folding region not deform upon, therefore folds
The width L in area needs to meetEqually, if folding sector widthThen and fold
The adjacent non-collapsible district in area can be bent, the non-collapsible district can be subject to larger tension, due to non-collapsible district be it is rigid,
Elastic modelling quantity is more than 1GPa, and deformation quantity is less, larger stress concentration can be formed in the position, in folding region and non-collapsible district meeting
Cause cracking due to stress.
Alternatively, show for another kind of foldable display device structure provided in an embodiment of the present invention referring to Fig. 7 and Fig. 8, Fig. 7
It is intended to, Fig. 8 is another kind of foldable display device folded state schematic diagram provided in an embodiment of the present invention.In the figure 7, folding
Area 202 includes rigid element, can effectively improve the intensity of folding region, improves the performances such as the touch-control of foldable display device, can
Selection of land, the rigid element interval setting of folding region is improving the intensity of folding region while also ensuring that preferable foldability energy.
For the number embodiment of the present invention that rigid region is arranged in folding region 202 is not limited, as long as in folding region, rigid region is set
In the protection domain of the embodiment of the present invention, those skilled in the art can be set according to the actual requirements the technical scheme in domain
Put.
The foldable display device of the embodiment of the present invention is a kind of comprising folding region 202 and non-collapsible district 201 by arranging
Gripper shoe 20, folding region 202 includes flexible portion, and non-collapsible district 201 includes rigid element, and the elastic modelling quantity of rigid element is more than
The elastic modelling quantity of flexible portion, so that non-collapsible district has preferably rigidity, has foldable display device certain strong
Degree, make foldable display device have antidetonation, it is resistance to fall, resistance to pressing, the performance such as resistance to touch-control, while folding region has spy resistant to bending
Property, so as to realize display foldable in FX.And it is into a single integrated structure without interface between folding region and non-collapsible district,
Will not be in Interface Cracking when making bending.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
The present invention be embodied as be confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of without departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (12)
1. a kind of foldable display device, it is characterised in that include：
Display floater；Gripper shoe, is arranged at the backlight side of the display floater, wherein, the gripper shoe includes folding region and non-
Folding region, it is into a single integrated structure without interface between the folding region and the non-collapsible district, and the folding region is comprising flexibility
Part, the non-collapsible district includes rigid element, and the elastic modelling quantity of the rigid element is more than the springform of the flexible portion
Amount.
2. foldable display device according to claim 1, it is characterised in that the elastic modelling quantity of the folding region is
0.0001-0.01GPa。
3. foldable display device according to claim 1, it is characterised in that the elastic modelling quantity of the non-collapsible district is more than
1GPa。
4. foldable display device according to claim 1, it is characterised in that when the foldable display device is to described
When display floater bends away from the side of the gripper shoe, the width of the folding regionWherein, R
For crooked process radius, T1 is the thickness of the display floater, and T2 is the thickness of the gripper shoe.
5. foldable display device according to claim 1, it is characterised in that when the foldable display device is to described
When gripper shoe bends away from the side of the display floater, the width of the folding regionWherein, R is bending
Radius, T2 is the thickness of the gripper shoe.
6. foldable display device according to claim 1, it is characterised in that the matrix material of the gripper shoe includes rubber
Glue, polyimides (PI), polyamide (PA), Merlon (PC), Poly-s 179 (PES), polyethylene terephthalate
(PET), appointing in PEN (PEN), polymethyl methacrylate (PMMA), cyclic olefine copolymer (COC)
Meaning is a kind of.
7. foldable display device according to claim 6, it is characterised in that wherein, the non-collapsible district includes toughness reinforcing
Material.
8. foldable display device according to claim 6, it is characterised in that the matrix material of the gripper shoe includes rubber
Glue, wherein the non-collapsible district includes the polymer mesh structure obtained through vulcanizing treatment.
9. foldable display device according to claim 6, it is characterised in that the matrix material of the gripper shoe includes rubber
Glue, wherein the non-collapsible district includes the polymer mesh structure obtained through peroxide treatment.
10. foldable display device according to claim 6, it is characterised in that the matrix material of the gripper shoe is included
Rubber, wherein, rubber of the non-collapsible district comprising the carbon containing-fluorine bond obtained through fluorination treatment.
11. foldable display devices according to claim 6, it is characterised in that the matrix material of the gripper shoe is included
Rubber, wherein, the non-collapsible district includes the rigidified rubber obtained through ion implanting process.
12. foldable display devices according to claim 1, it is characterised in that the foldable area includes rigid portion
Point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107059.4A CN106652802B (en) | 2017-02-27 | 2017-02-27 | Foldable display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107059.4A CN106652802B (en) | 2017-02-27 | 2017-02-27 | Foldable display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106652802A true CN106652802A (en) | 2017-05-10 |
| CN106652802B CN106652802B (en) | 2020-03-17 |
Family
ID=58846604
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710107059.4A Active CN106652802B (en) | 2017-02-27 | 2017-02-27 | Foldable display device |
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