CN112927608A - Foldable flexible display - Google Patents
Foldable flexible display Download PDFInfo
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- CN112927608A CN112927608A CN201911239765.XA CN201911239765A CN112927608A CN 112927608 A CN112927608 A CN 112927608A CN 201911239765 A CN201911239765 A CN 201911239765A CN 112927608 A CN112927608 A CN 112927608A
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- display
- flexible display
- bending
- movable support
- foldable flexible
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
Abstract
The present invention provides a foldable flexible display having a folded state and an unfolded state, comprising: the flexible display screen comprises a non-bending area and a bending display area, wherein the non-bending area comprises a first display area and a second display area, and the bending display area is arranged between the first display area and the second display area; the fixed supporting piece comprises a first supporting piece and a second supporting piece which are arranged in the first display area and the second display area respectively and are deviated from the display surface; a movable support movable between the non-bending region and the bending display region; when the foldable flexible display is in a folded state, the movable support is in a non-bending region; the movable support is in the bending region when the foldable flexible display is in the unfolded state. The flexible display has the movable support part, supports and protects the bending display area, reduces the crease of the area, and improves the reliability and the service life of the display and the use experience of a user.
Description
Technical Field
The invention relates to the field of display panels, in particular to a foldable flexible display.
Background
With the continuous progress of social technology, the requirements of people on the display equipment of the handheld intelligent terminal are higher and higher; in order to meet the requirements of people on the intelligent terminal display equipment, the screen display area adopted on the intelligent terminal display equipment is larger and larger, so that the comprehensive screen design becomes the future development direction of the intelligent terminal display equipment; the full screen is designed to be a screen display area on the front surface of the intelligent terminal display device so as to pursue a screen occupation ratio close to 100%.
With the advent of the full screen era, the light, thin and foldable flexible screen is more and more favored by the market. However, since the flexible screen is relatively thin and is easily deformed, in order to ensure the smoothness of the flexible screen, a support plate 20 is usually added at the back of the display screen 10 to assist in the folding of the folding screen, the support plate at the back of the display screen is broken in the bending area, that is, the support plate is divided into two pieces, a certain gap exists between the two pieces, the display screen above the gap part is unsupported, as shown in fig. 1, creases are easily formed, and particularly, wave-shaped creases are seen in a list under a black background.
After the folding screen is opened, the folding area has creases, the user experience is directly influenced by the defect that the folding screen cannot be butted without creases, the creases are eliminated, and the technical problem to be solved urgently is solved by improving the user experience.
It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present invention and therefore may include information that does not constitute prior art known to a person of ordinary skill in the art.
Disclosure of Invention
The invention aims to provide a foldable flexible display, which has rigid support in a bending display area, does not influence bending, effectively reduces creases generated by bending of the flexible display and improves user experience.
Embodiments of the present invention provide a foldable flexible display having a folded state and an unfolded state, comprising:
the flexible display screen comprises a non-bending area and a bending display area, wherein the non-bending area comprises a first display area and a second display area, and the bending display area is arranged between the first display area and the second display area;
the fixed supporting piece comprises a first supporting piece and a second supporting piece which are arranged in the first display area and the second display area respectively and are deviated from the display surface;
a movable support movable between the non-bending region and the bending display region;
when the foldable flexible display is in a folded state, the movable support is in the non-flexed region;
the movable support is in the bending region when the foldable flexible display is in an unfolded state.
According to an example of the present invention, the foldable flexible display further comprises a driving assembly driving the movable support to move between the non-bending region and the bending display region.
According to an example of the present invention, the movable support is disposed on a side of the fixed support facing away from the display surface.
According to an example of the present invention, the drive assembly comprises a first drive assembly and a second drive assembly;
the first driving component drives the movable support to move in a plane parallel to the display surface of the flexible display screen;
the second driving component drives the movable support to move in a plane perpendicular to the display surface of the flexible display screen.
According to an example of the present invention, the first driving assembly includes a first power member and a chain, the first power member drives the chain to rotate, and the rotation of the chain drives the movable supporting member to move in a plane parallel to the display surface of the flexible display screen.
According to an example of the present invention, the first power member is a motor.
According to an example of the present invention, the second driving assembly includes a gear disposed on the movable support and a climbing main rod disposed in a direction perpendicular to the display surface of the flexible display screen, and the gear rotates to drive the movable support to move on the climbing main rod.
According to an example of the present invention, the second driving assembly further includes a limiting member, and the limiting member is connected to the gear and controls a rotation angle of the gear.
According to an example of the present invention, the foldable flexible display further includes a casing disposed on the fixing member and away from the display surface, the casing is provided with a groove for accommodating the movable supporting member, an inner surface of the groove is provided with a limiting groove, one end of the limiting member and the gear can rotate around a same central axis, and when the movable supporting member moves to a set highest position along the climbing main rod, the other end of the limiting member enters the limiting groove.
According to an example of the invention, the thickness of the movable support is between 0.1mm and 2.0 mm; the length of the movable support is between 0.1mm and 2000.0 mm; the width of the movable support is between 0.1mm and 2000.0 mm.
The foldable flexible display is provided with the movable supporting piece, when the flexible display is in an unfolded state, the movable supporting piece can support the flexible display screen on the flexible display, so that the unfolded flexible display is more stable, the flexible display is prevented from being folded in the opposite direction of the display surface, creases generated due to bending can be effectively reduced, and the reliability and the service life of the display are improved; meanwhile, the use experience of the user on the foldable flexible display is improved.
Drawings
Other features, objects, and advantages of the invention will be apparent from the following detailed description of non-limiting embodiments, which proceeds with reference to the accompanying drawings and which is incorporated in and constitutes a part of this specification, illustrating embodiments consistent with the present application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic structural diagram of a prior art foldable flexible screen;
fig. 2-4 are schematic structural views of a foldable flexible screen according to an embodiment of the present invention.
Reference numerals
100 flexible display screen
200 fixed support
210 movable support
211 first power element
212 chain
213 Gear
214 climbing main rod
215 stopper
216 spacing groove
300 casing
310 groove
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities.
Fig. 2-4 are schematic structural views of a foldable flexible screen according to an embodiment of the present invention. The foldable flexible display has a folded state and an unfolded state, and specifically comprises:
a flexible display screen 100, the flexible display screen 100 comprising a non-bending region and a bending display region S2, the non-bending region comprising a first display region S1 and a second display region S1 ', the bending display region being disposed between the first display region S1 and the second display region S1'; the flexible display panel 100 may be an organic diode light emitting panel, and may include functional layers such as a flexible substrate, a light emitting layer, a polarizing layer, and a touch layer.
A fixed support 200 including a first support and a second support facing away from the display surface and respectively disposed in the first display area S1 and the second display area S1'; typically, the fixed support is a rigid material and may have a thickness of between 0.1mm and 2.0 mm.
A movable support 210, the movable support 210 being movable between the non-bending region and the bending display region;
generally, a housing is further disposed on the display back side of the display, in the present invention, the housing 300 is disposed on a side of the fixing member facing away from the display surface, and the housing 300 is provided with a groove 310 for accommodating the movable supporting member.
When the foldable flexible display is in the folded state, the movable support 210 is in the non-bending region, which is the state shown in fig. 2.
When the foldable flexible display is in the unfolded state, the movable support 210 is in the bending region, which is shown in fig. 2.
In the embodiment of the present invention, the movable supporting member 210 is disposed on a side of the fixed supporting member 200 away from the display surface, and when the foldable flexible display is in the folded state, the fixed supporting member 200 is hidden behind the fixed supporting member 200, but may be on a side of a back surface of the first supporting member, or may be on a side of a back surface of the second supporting member.
To enable the movable support 210 to move between the non-bending region and the bending display region, a foldable flexible display may be provided to the driving assembly.
In the embodiment of fig. 2-4, the movement of the movable support 210 of the foldable flexible display comprises movement in a plane parallel to the display surface of the flexible display 100 and movement in a plane perpendicular to the display surface of the flexible display 100. Accordingly, the driving assembly includes a first driving assembly that drives the movable support to move in a plane parallel to the display surface of the flexible display screen 100 and a second driving assembly that drives the movable support to move in a plane perpendicular to the display surface of the flexible display screen 100.
In this embodiment, the first driving assembly includes a first power member 211 and a chain 212, the first power member 211 drives the chain 212 to rotate, the chain 212 drives the movable supporting member 210 to move in a plane parallel to the display surface of the flexible display screen 100, and the first power member 211 may be a motor, and the direction of movement of the movable supporting member 210 is controlled by controlling the rotation direction of the motor. In a preferred embodiment, the movable supporting member 210 is provided with first power members 214 at both sides thereof. The two first power members 211 may be disposed at both side inner surfaces of the groove 310, respectively.
The second driving assembly includes a gear 213 disposed on the movable support 210 and a climbing main rod 214, the climbing main rod 214 is disposed in a direction perpendicular to the display surface of the flexible display screen 100, and the gear 213 rotates to drive the movable support 210 to move on the climbing main rod 214.
When the folding screen is unfolded and flat, the movable metal plate hidden below the metal plate can be pulled to be right below the gap area of the two supporting metal plates in the bending area by the pulling power in the mobile phone.
The second driving assembly further includes a limiting member 215, and the limiting member 215 is connected to the gear 213 and controls a rotation angle of the gear 213. Specifically, one end of the limiting member 215 is coaxially connected to the gear 213, that is, one end of the limiting member 215 and the gear 213 can rotate around the same central axis. When the movable supporting member 210 is lifted to the highest position, the other end of the limiting member 215 enters a limiting groove 216 formed on the upper surface of the housing 300. The distance that the movable support moves in the plane perpendicular to the display surface of the flexible display screen is controlled by controlling the rotation angle of the gear, and the invention is not limited to the mode. If an angle sensor can be added to the foldable display, the angle sensor can also play a role in sensing the rotation angle of the gear. The maximum angle or the minimum angle of the gear may correspond to the uppermost or lowermost position of the movable support in a plane perpendicular to the display surface of the flexible display screen, the upper or lower end being defined above and below fig. 4.
In this embodiment, the movable support 210 is movable up and down relative to the chain 212, and the movable support 210 is not movable left and right relative to the chain 212, i.e. in the horizontal direction, the movement of the chain 212 can drive the movable support 210 to move left and right, and in the vertical direction, the movable support 210 can move up and down relative to the chain 212. A guide bar extending in the up-down direction may be disposed in the movable support 210, a stopper cooperating with the guide bar may be disposed in the chain 212, and the stopper may move up and down along the extending direction of the guide bar (for example, the stopper may be embedded into the guide bar, or a groove extending in the up-down direction may be disposed inside the stopper, and the guide bar may be embedded into the groove), but the stopper and the guide bar may be linked in the horizontal direction.
The movable support 210 of the foldable flexible display of the present invention is illustrated in the embodiments of fig. 2-4. When the foldable flexible display is in the folded state, the movable support 210 is hidden behind the first support, and the flexible display is unfolded, which is the state shown in fig. 2. Starting the motor of the first driving assembly to make the movable support 210 translate from the first support to the second support, and when moving to the back of the non-bending display area, the state shown in fig. 2 is obtained; then, the gear of the movable supporting member 210 is rotated to drive the movable supporting member 210 to move upwards until the connection part with the non-bending display area, at this time, the first supporting member, the movable supporting member 210 and the second supporting member form a flat plane, and the whole flexible display screen is supported and protected. When the foldable flexible display needs to be converted from the unfolded state to the folded state, the above-mentioned reverse operation is performed, which is not described herein again.
The foldable flexible display provided by the embodiment of the invention can be any product or component with a display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a media player, a watch device, a pendant device, an earphone or earphone device, a navigation device, a wearable or micro device, an embedded device of a system in which electronic equipment with a display is installed in a self-service terminal or an automobile, and the like.
It should be noted that the thickness of the movable support 210 of the present invention may be equivalent to the thickness of the fixed support 210, and preferably, the thickness of the movable support 210 is between 0.1mm and 2.0 mm.
The size of the movable supporting member 210 is determined by the size of the bending display area, the bending display area of the foldable flexible display for different application scenarios may be different, the length of the movable supporting member 210 may be in a range of values between 0.1mm and 2000.0mm, and the width of the movable supporting member 210 may be in a range of values between 0.1mm and 2000.0mm, where the length and the width are the two dimensions in the plane of the display in the vertical direction, respectively.
In summary, the present invention provides a foldable flexible display having a folded state and an unfolded state, comprising: the flexible display screen comprises a non-bending area and a bending display area, wherein the non-bending area comprises a first display area and a second display area, and the bending display area is arranged between the first display area and the second display area; the fixed supporting piece comprises a first supporting piece and a second supporting piece which are arranged in the first display area and the second display area respectively and are deviated from the display surface; a movable support movable between the non-bending region and the bending display region; when the foldable flexible display is in a folded state, the movable support is in the non-flexed region; the movable support is in the bending region when the foldable flexible display is in an unfolded state.
The foldable flexible display is provided with a movable support piece, and when the foldable flexible display is in a folded state, the movable support piece is hidden in a non-bent display area; when the flexible display is in an unfolded state, the movable support piece can support and protect the bending display area on the flexible display, so that the technical problem that the bending area in the conventional display screen is not supported and protected is solved, the unfolded flexible display is more stable, creases generated by bending can be effectively reduced, and the reliability and the service life of the display are improved; meanwhile, the use experience of the user on the foldable flexible display is improved.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the apparatus claims may also be implemented by one unit or means in software or hardware. It is to be understood that the terms "lower" or "upper", "downward" or "upward" and the like are used to describe features of the exemplary embodiments with reference to the positions of such features as displayed in the figures; the terms first, second, etc. are used to denote names, but not any particular order.
Claims (10)
1. A foldable flexible display having a folded state and an unfolded state, comprising:
the flexible display screen comprises a non-bending area and a bending display area, wherein the non-bending area comprises a first display area and a second display area, and the bending display area is arranged between the first display area and the second display area;
the fixed supporting piece comprises a first supporting piece and a second supporting piece which are arranged in the first display area and the second display area respectively and are deviated from the display surface;
a movable support movable between the non-bending region and the bending display region;
when the foldable flexible display is in a folded state, the movable support is in the non-flexed region;
the movable support is in the bending region when the foldable flexible display is in an unfolded state.
2. The foldable flexible display of claim 1, wherein: the display device further comprises a driving component which drives the movable support to move between the non-bending area and the bending display area.
3. The foldable flexible display of claim 2, wherein: the movable supporting piece is arranged on one side, away from the display surface, of the fixed supporting piece.
4. The foldable flexible display of claim 2, wherein the drive assembly comprises a first drive assembly and a second drive assembly;
the first driving component drives the movable support to move in a plane parallel to the display surface of the flexible display screen;
the second driving component drives the movable support to move in a plane perpendicular to the display surface of the flexible display screen.
5. The foldable flexible display of claim 4, wherein: the first driving assembly comprises a first power piece and a chain, the first power piece drives the chain to rotate, and the chain rotates to drive the movable supporting piece to move in a plane parallel to the display surface of the flexible display screen.
6. The foldable flexible display of claim 5, wherein: the first power member is a motor.
7. The foldable flexible display of claim 4, wherein: the second driving assembly comprises a gear arranged on the movable supporting piece and a climbing main rod, the climbing main rod is perpendicular to the direction of the display surface of the flexible display screen, and the gear rotates to drive the movable supporting piece to move.
8. The foldable flexible display of claim 7, wherein: the second driving assembly further comprises a limiting piece, and the limiting piece is connected with the gear and controls the rotating angle of the gear.
9. The foldable flexible display of claim 8, wherein: the movable supporting piece is arranged on the casing, the fixing piece is arranged on the casing, the casing deviates from the display surface, a groove for accommodating the movable supporting piece is formed in the casing, a limiting groove is formed in the inner surface of the groove, one end of the limiting piece and the gear can rotate around the same central shaft, and the other end of the limiting piece enters the limiting groove when the climbing main rod moves to the set highest position.
10. The foldable flexible display of claim 1, wherein:
the thickness of the movable support is between 0.1mm and 2.0 mm;
the length of the movable support is between 0.1mm and 2000.0 mm;
the width of the movable support is between 0.1mm and 2000.0 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911239765.XA CN112927608B (en) | 2019-12-06 | 2019-12-06 | Foldable flexible display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911239765.XA CN112927608B (en) | 2019-12-06 | 2019-12-06 | Foldable flexible display |
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| Publication Number | Publication Date |
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| CN112927608A true CN112927608A (en) | 2021-06-08 |
| CN112927608B CN112927608B (en) | 2022-10-04 |
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| CN201911239765.XA Active CN112927608B (en) | 2019-12-06 | 2019-12-06 | Foldable flexible display |
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| CN113611209A (en) * | 2021-06-30 | 2021-11-05 | 云谷（固安）科技有限公司 | Sliding mechanism and flexible display module |
| CN113689789A (en) * | 2021-08-13 | 2021-11-23 | 武汉天马微电子有限公司 | Display device |
| CN114038335A (en) * | 2021-12-03 | 2022-02-11 | 合肥维信诺科技有限公司 | Foldable supporting device and display device |
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| Publication number | Publication date |
|---|---|
| CN112927608B (en) | 2022-10-04 |
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Address after: 1568 Jiugong Road, Jinshan Industrial Zone, Jinshan District, Shanghai, 201506 Applicant after: Shanghai Hehui optoelectronic Co.,Ltd. Address before: 1568 Jiugong Road, Jinshan District, Shanghai, 201506 Applicant before: EVERDISPLAY OPTRONICS (SHANGHAI) Ltd. |
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