CN108626241A - Hydraulic rotating shaft mechanism for flexible display screen - Google Patents
Hydraulic rotating shaft mechanism for flexible display screen Download PDFInfo
- Publication number
- CN108626241A CN108626241A CN201810478880.1A CN201810478880A CN108626241A CN 108626241 A CN108626241 A CN 108626241A CN 201810478880 A CN201810478880 A CN 201810478880A CN 108626241 A CN108626241 A CN 108626241A
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- CN
- China
- Prior art keywords
- display screen
- flexible display
- vacuole
- rotating shaft
- shaft mechanism
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- 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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/12—Pivotal connections incorporating flexible connections, e.g. leaf springs
-
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention discloses a kind of hydraulic rotating shaft mechanism for flexible display screen, including：Flexible display screen, including display surface and the back side opposite with the display surface；Protection board, the back side of the flexible display screen are bonded to the side of the protection board；Hydraulic rotating shaft mechanism for folding the flexible display screen; the rotating shaft mechanism includes multiple biliquid bubble structures arranged side by side; the biliquid bubble structure interior vacuole and the outer vacuole described in vacuole, the outer vacuole of elasticity and fluid communication in the elasticity filled with liquid are constituted non-resilient communicating pipe; the interior vacuole is fixedly attached to the other side opposite with the flexible display screen of the protection board, and the biliquid bubble structure of the interior vacuole, the communicating pipe and outer vacuole composition extends along perpendicular to the direction of the flexible display screen and the protection board.
Description
Technical field
The invention belongs to display fields, more particularly it relates to a kind of hydraulic rotating shaft for flexible display screen
Mechanism.
Background technology
In recent years, major communication giant is higher and higher to the attention rate of flexible display screen, if following can really reach " complete
If face mobile phone ", flexible display screen is a the problem of cannot ignoring.One monoblock flexible foldable screen cooperation hinge can be realized
Mobile phone is foldable, and upon deployment, this block flexible display screen possesses the display area of bigger, and can be used as tablet or PC display screens makes
With；When folding up, then one piece of smart mobile phone display screen is equivalent to.
With the progress of screen technique, greatest problem has no longer been display or has touched flexible display screen when in use
The problem of touching feedback, but the insufficient strength of screen are realized foldable by the flexibility of the hinge and screen itself at back
Characteristic, can influence the original form of screen under huge deformation, the rotating shaft mechanism for flexible display screen may be designed as it is not single can
Play the role of protecting screen, while inside may also be integrated with certain electronic components, therefore, is used for the shaft of flexible display screen
The design of mechanism is most important.
Invention content
The present invention provides a kind of innovative hydraulic rotating shaft mechanism for flexible display screen, according to the present invention for soft
Property display screen hydraulic rotating shaft mechanism can realize the traditional performance of existing rotating shaft mechanism, it is in addition to this, of the invention for flexibility
In rotation process, shaft outer layer can compensate the front and back length difference of bending deformation for the hydraulic rotating shaft mechanism of display screen.
A kind of hydraulic rotating shaft mechanism for flexible display screen, including：
Flexible display screen, including display surface and the back side opposite with the display surface；
Protection board, the back side of the flexible display screen are bonded to the side of the protection board；
Hydraulic rotating shaft mechanism for folding the flexible display screen, the rotating shaft mechanism include multiple biliquid bubbles arranged side by side
Structure, the biliquid bubble structure interior vacuole described in vacuole, the outer vacuole of elasticity and fluid communication in the elasticity filled with liquid
It is constituted with non-resilient communicating pipe of the outer vacuole, the interior vacuole is being fixedly attached to the protection board with the Flexible Displays
Shield the opposite other side, the biliquid bubble structure of the interior vacuole, the communicating pipe and outer vacuole composition is along perpendicular to described
The direction of flexible display screen and the protection board extends.
Preferably, the protection board is strong elasticity thin plate.It is further preferred that the protection board is made of 65Mn spring steel, thickness
For 0.1-0.5mm.
In one embodiment, the multiple biliquid bubble structure arranged side by side is arranged in the width direction along the flexible display screen
Two ends.In another embodiment, the multiple biliquid bubble structure arranged side by side is arranged in the surrounding of the flexible display screen.
In another embodiment, the multiple biliquid bubble structure arranged side by side is arranged in the centre of the flexible display screen.
Preferably, the liquid filled in the biliquid bubble structure is thick liquid.
Preferably, under undeformed state, the interior vacuole and the outer vacuole are the identical spherical vacuole of diameter, described
Between the caliber of communicating pipe is 0.1-0.7 times of the diameter of the interior vacuole and the outer vacuole.
Description of the drawings
Hereinafter it is described more fully with reference to the accompanying drawings some example embodiments of the present invention；However, the present invention can be with
It embodies in different forms, should not be considered limited to embodiments set forth herein.On the contrary, attached drawing illustrates together with specification
Some example embodiments of the present invention, and principle for explaining the present invention and aspect.
In the figure for clarity, size may be exaggerated.Throughout, identical reference numeral refers to identical
Element.
Fig. 1 a-c schematically show the layout drawing of the hydraulic rotating shaft mechanism according to the present invention for flexible display screen, wherein
In order to preferably show that the arrangement mode of biliquid bubble, part-structure are omitted；
Fig. 2 is according to the partial cross-sectional view of the hydraulic rotating shaft mechanism for flexible display screen of the present invention, wherein flexible aobvious
Display screen is in fully unfolded position；
Fig. 3 is according to the partial cross-sectional view of the hydraulic rotating shaft mechanism for flexible display screen of the present invention, wherein flexible aobvious
Display screen is in complete flexuosity；
Fig. 4 is to steep deformed signal according to a biliquid of the hydraulic rotating shaft mechanism for flexible display screen of the present invention
Figure,
Wherein：100：Flexible display screen；200：Protection board；300：Hydraulic rotating shaft mechanism；301：Interior vacuole；302：Connection
Pipe；303：Outer vacuole；400：Shell；500：Flexible battery；600：Flexible PCB.
Specific implementation mode
In the following detailed description, certain exemplary embodiments of the invention are shown simply by the mode of illustration
And description.As the skilled person will recognize, described embodiment can be changed in a variety of ways,
All without departing from the spirit or scope of the present invention.Therefore, scheme and describe to be considered as inherently illustrative, and
It is not limiting.
Exemplary embodiment according to the present invention is described in further detail below with reference to accompanying drawings.
Fig. 1 a-c schematically show the layout drawing of the hydraulic rotating shaft mechanism according to the present invention for flexible display screen, wherein
In order to preferably show that the arrangement mode of biliquid bubble structure, part-structure are omitted；Fig. 2 is according to the present invention for flexible aobvious
The partial cross-sectional view of the hydraulic rotating shaft mechanism of display screen, wherein flexible display screen are in fully unfolded position；Fig. 3 is according to the present invention
The hydraulic rotating shaft mechanism for flexible display screen partial cross-sectional view, wherein flexible display screen is in complete flexuosity；Fig. 4
To steep deformed schematic diagram according to a biliquid of the hydraulic rotating shaft mechanism for flexible display screen of the present invention.
Referring to Fig. 1 a-c and Fig. 2, a kind of hydraulic rotating shaft mechanism for flexible display screen according to the present invention, including：
Flexible display screen 100, protection board 200, the hydraulic rotating shaft mechanism 300 for folding the flexible display screen 100.Further, liquid
Pressure rotating shaft mechanism 300 can be packaged in shell 400.
Shown in sectional view shown in Fig. 2, flexible display screen 100 includes display surface and the back side opposite with display surface,
The back side of flexible display screen 100 is bonded to the side of protection board 200.Preferably, protection board 200 is strong elasticity thin plate, and thickness is
0.1-0.5mm.Specifically, protection board 200 can be made of 65Mn spring steel.In addition, protection board 200 can also be by elasticity
The metals such as titanium, pp plastic plates or non-metal elastic material are made.
Hydraulic rotating shaft mechanism 300 includes multiple biliquid bubble structures arranged side by side, and biliquid bubble structure is by the elasticity filled with liquid
It is constituted the non-resilient communicating pipe 302 of vacuole 301 and outer vacuole 303 in interior vacuole 301, the outer vacuole 303 of elasticity and fluid communication,
Interior vacuole 301 is fixedly attached to the other side opposite with flexible display screen 100 of protection board 200, interior vacuole 301, communicating pipe 302
The biliquid bubble structure formed with outer vacuole 303 extends along perpendicular to the direction of flexible display screen 100 and protection board 200.Preferably,
The liquid filled in biliquid bubble structure is thick liquid.Preferably, under undeformed state, interior vacuole 301 and outer vacuole 303 are
The identical spherical vacuole of diameter, the caliber of communicating pipe 302 be 0.1-0.7 times of the diameter of interior vacuole 301 and outer vacuole 303 it
Between.
In one embodiment, as shown in fig. 1A, multiple biliquid bubble structures arranged side by side are arranged in along flexible display screen 100
Two ends of width direction, such as other electron component of flexible battery 500 and flexible PCB 600 are arranged in biliquid bubble knot
The centre of structure.At this point, the electronic device comprising flexible display screen can be curved along the axis for the width direction for being parallel to flexible display screen
Folding.
In another embodiment, as shown in Figure 1 b, multiple biliquid bubble structures arranged side by side are arranged in flexible display screen 100
Surrounding, such as other electron component of flexible battery 500 and flexible PCB 600 are arranged in the centre of biliquid bubble structure.At this point,
Including the electronic device of flexible display screen can be bent along the axis for the width direction for being parallel to flexible display screen, and can also be along flat
Row can be bent in the axis of the length direction of flexible display screen.
In another embodiment, as shown in figure 1 c, multiple biliquid bubble structures arranged side by side are arranged in flexible display screen 100
Centre, such as other electron component of flexible battery 500 and flexible PCB 600 are arranged in the both sides of biliquid bubble structure.At this point,
Including the electronic device of flexible display screen can be bent along the axis for the width direction for being parallel to flexible display screen, and can also be along flat
Row can be bent in the axis of the length direction of flexible display screen.
In the figure shown in Fig. 1 a-c, multiple biliquid bubble structures arranged side by side are shown with multiple rows of and multiple row, institute in figure
Show that position that biliquid bubble structure is set up in parallel and quantity are schematical, embodiments of the present invention are not limited thereto.It preferably, can be with
According to the size and position of the size of electronic device and internal electronic element, with multiple rows of (and/or single) and/or multiple row (and/
Or it is single-row) matrix form biliquid bubble structure is arranged.Other than being arranged in both sides, surrounding and centre, do not influencing
In the case that electronic component is arranged, it is also conceivable to other arrangements.Hydraulic pressure according to the present invention for flexible display screen
Rotating shaft mechanism can reach the bent effect of full screen arbitrary region, and material in bending process is realized by the uniformity of fluid pressure
It is excessive and cause malformation and destroy the consequence of (such as protrusion, fracture corrugation) not will produce local stress for the uniform stressed of material.
As shown in Figure 3 and Figure 4, flexible electronic screen 100 is folded, the radius of curvature of the folded portion of flexible electronic screen 100
Reach maximum value, i.e. R, flexible electronic screen is folded into the two parts being mutually parallel.After flexible electronic screen 100 bends,
High resiliency protection board 200 synchronizes bending, and protection board 200 makes the biliquid bubble structure unilateral side stress for being fixed on 200 side of protection board,
Vacuole 301 in elasticity to squeeze uniformly and synchronously biliquid bubble structure, after being squeezed, the toughness in interior vacuole 301
Liquid slowly flows to other side vacuole (that is, the outer vacuole of elasticity) 303, at this time vacuole in elasticity by thin diameter communicating pipe 302
301 compressions, the outer vacuole 303 of elasticity expands, and when reaching complete flexuosity as shown in Figure 3, liquid stops flowing, interior external solution
Bubble stops deformation, complete flexure operation, the stretcher strain of curved outside of the expansion compensation of the outer vacuole of elasticity 303, Flexible Displays
Screen 100 is substantially at the neutral line of flexural deformation, and the possibility that flexible display screen 100 deforms is made to reduce to most in the process of bending
It is low, it can preferably protect flexible display screen.In addition, the presence of liquid of vicidity and communicating pipe and vacuole in biliquid bubble structure
It is arranged so that certain damping buffering power is generated in bending process, in this way, flexible display screen is in the process of bending with application
The disappearance of external force and can stop continuing to bend, to maintain required arbitrary bending angle, be also prevented from bending it is too fast
Occur and cause screen impaired, and further prevents screen to rebound after bending is completed and restore to the original state.
Some exemplary embodiments are had been disclosed for herein, and although with specific term, but they are only with general
It is used and explained with descriptive meaning, rather than the purpose for limitation.In some cases, as to this field
As those of ordinary skill will be apparent, the one or more features, characteristic and/or the element that are described in conjunction with specific embodiment
It can be used alone, or can make with combining the one or more features, characteristic and/or element of other embodiments description to combine
With unless expressly stated.It will be understood by those skilled in the art that without departing substantially from such as appended claims and its waiting Tongfangs
In the case of the spirit and scope of the present invention proposed in case, various changes can be carried out to form and details.
Claims (8)
1. a kind of hydraulic rotating shaft mechanism for flexible display screen, including：
Flexible display screen (100), including display surface and the back side opposite with the display surface；
The back side of protection board (200), the flexible display screen (100) is bonded to the side of the protection board (200)；
Hydraulic rotating shaft mechanism (300) for folding the flexible display screen (100), the rotating shaft mechanism (300) includes multiple
Biliquid bubble structure arranged side by side, the biliquid bubble structure is by vacuole in the elasticity filled with liquid (301), the outer vacuole (303) of elasticity
And the non-resilient communicating pipe (302) of interior vacuole (301) and the outer vacuole (303) described in fluid communication is constituted, the interior liquid
Bubble (301) is fixedly attached to the other side opposite with the flexible display screen (100) of the protection board (200), the interior liquid
The biliquid bubble structure of (301), the communicating pipe (302) and outer vacuole (303) composition is steeped along perpendicular to the Flexible Displays
The direction for shielding (100) and the protection board (200) extends.
2. the hydraulic rotating shaft mechanism according to claim 1 for flexible display screen, wherein the protection board (200) is strong
Elastic sheet.
3. the hydraulic rotating shaft mechanism according to claim 2 for flexible display screen, wherein the protection board (200) by
65Mn spring steel is made, thickness 0.1-0.5mm.
4. the hydraulic rotating shaft mechanism according to claim 1 for flexible display screen, wherein the multiple biliquid arranged side by side
Bubble structure is arranged in two ends of the width direction along the flexible display screen (100).
5. the hydraulic rotating shaft mechanism according to claim 1 for flexible display screen, wherein the multiple biliquid arranged side by side
Bubble structure is arranged in the surrounding of the flexible display screen (100).
6. the hydraulic rotating shaft mechanism according to claim 1 for flexible display screen, wherein the multiple biliquid arranged side by side
Bubble structure is arranged in the centre of the flexible display screen (100).
7. the hydraulic rotating shaft mechanism according to claim 1 for flexible display screen, wherein being filled out in the biliquid bubble structure
The liquid filled is thick liquid.
8. the hydraulic rotating shaft mechanism according to claim 1 for flexible display screen, wherein under undeformed state, it is described
Interior vacuole (301) and the outer vacuole (303) are the identical spherical vacuole of diameter, and the caliber of the communicating pipe (302) is described
Between 0.1-0.7 times of the diameter of interior vacuole (301) and the outer vacuole (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810478880.1A CN108626241B (en) | 2018-05-18 | 2018-05-18 | Hydraulic rotating shaft mechanism for flexible display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810478880.1A CN108626241B (en) | 2018-05-18 | 2018-05-18 | Hydraulic rotating shaft mechanism for flexible display screen |
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| Publication Number | Publication Date |
|---|---|
| CN108626241A true CN108626241A (en) | 2018-10-09 |
| CN108626241B CN108626241B (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810478880.1A Active CN108626241B (en) | 2018-05-18 | 2018-05-18 | Hydraulic rotating shaft mechanism for flexible display screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530960A (en) * | 2021-06-29 | 2021-10-22 | 上海天马微电子有限公司 | Hinge and flexible display device |
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| CN105493169A (en) * | 2013-08-30 | 2016-04-13 | 株式会社半导体能源研究所 | Display device |
| US20160299532A1 (en) * | 2013-12-10 | 2016-10-13 | Nokia Technologies Oy | An apparatus and method of providing an apparatus comprising a bendable portion |
| WO2016190486A1 (en) * | 2015-05-27 | 2016-12-01 | 엘지전자(주) | Mobile terminal |
| US20170371377A1 (en) * | 2013-05-28 | 2017-12-28 | Samsung Display Co., Ltd. | Flexible display apparatus |
| CN107622734A (en) * | 2016-07-13 | 2018-01-23 | 三星显示有限公司 | Display device |
-
2018
- 2018-05-18 CN CN201810478880.1A patent/CN108626241B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170371377A1 (en) * | 2013-05-28 | 2017-12-28 | Samsung Display Co., Ltd. | Flexible display apparatus |
| CN105493169A (en) * | 2013-08-30 | 2016-04-13 | 株式会社半导体能源研究所 | Display device |
| US20160299532A1 (en) * | 2013-12-10 | 2016-10-13 | Nokia Technologies Oy | An apparatus and method of providing an apparatus comprising a bendable portion |
| WO2016190486A1 (en) * | 2015-05-27 | 2016-12-01 | 엘지전자(주) | Mobile terminal |
| CN107622734A (en) * | 2016-07-13 | 2018-01-23 | 三星显示有限公司 | Display device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530960A (en) * | 2021-06-29 | 2021-10-22 | 上海天马微电子有限公司 | Hinge and flexible display device |
| CN113530960B (en) * | 2021-06-29 | 2022-06-17 | 上海天马微电子有限公司 | Hinge and flexible display device |
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| Publication number | Publication date |
|---|---|
| CN108626241B (en) | 2020-03-31 |
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