CN109887419B - Display device - Google Patents
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- CN109887419B CN109887419B CN201910334669.7A CN201910334669A CN109887419B CN 109887419 B CN109887419 B CN 109887419B CN 201910334669 A CN201910334669 A CN 201910334669A CN 109887419 B CN109887419 B CN 109887419B
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- 239000010410 layer Substances 0.000 claims description 100
- 239000010408 film Substances 0.000 claims description 52
- 239000002346 layers by function Substances 0.000 claims description 17
- 238000004891 communication Methods 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 7
- 239000010409 thin film Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 2
- 239000011247 coating layer Substances 0.000 claims description 2
- 239000000084 colloidal system Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000012779 reinforcing material Substances 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 239000007888 film coating Substances 0.000 description 4
- 238000009501 film coating Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The embodiment of the disclosure provides a display device, which comprises a reel part and a flexible screen, wherein the reel part comprises an inner shaft, and the inner shaft is provided with a step part; the flexible screen is wound on the inner shaft from the low side of the step part in a extractable mode, and the flexible screen can be smoothly wound on the inner shaft through the step part on the inner shaft, so that the problem of local stress concentration of the flexible screen caused by local protrusion or depression of the flexible screen is effectively avoided, and when the flexible screen is unfolded or folded, the problem of stress concentration of the end part of the flexible screen is solved, so that the structural strength of a product is increased, and the service life of the product is prolonged.
Description
Technical Field
The present disclosure relates to the field of flexible screen display devices, and in particular, to a display device.
Background
The flexible screen can be rolled and spread around an axis to form a new product form that can be rolled in a telescoping fashion. However, the above products have the following technical problems: when the screen is curled in multiple layers on the shaft, steps are formed at the end parts of the screen, the steps can squeeze the structure in the screen, damage or extrusion deformation of the film material are caused, display defects are caused, as shown in fig. 1, one end of the flexible screen is attached to the inner shaft of the reel part and is wound on the inner shaft, and the flexible screen is attached to the end part of the inner shaft and gradually jacked up to be wound on the flexible screen due to the fact that the flexible screen has a certain thickness, so that local stress of the flexible screen is too concentrated, and the service life of the flexible screen is influenced; the end part of the rollable display is concentrated in stress in the unfolding and folding processes, so that the rollable display is easy to damage and needs to be fixed in a special mode.
Disclosure of Invention
The display device solves the problem that local stress is concentrated when a flexible screen is wound on a shaft, and the problem that the stress concentration at the end part of the flexible screen is easy to damage when the flexible screen is unfolded and folded.
An embodiment of the present disclosure provides a display device, including:
a spool portion including an inner shaft formed with a stepped portion; and
And a flexible screen which is wound around the inner shaft from a lower side of the stepped portion in an extractable manner.
In some embodiments, the radius of the inner shaft is progressively larger in the winding direction from the low side to the high side of the step.
In some embodiments, the outer peripheral surface of the inner shaft forms a spiral line starting from the stepped portion and increasing in radius by a predetermined value per unit angle along the winding direction.
In some embodiments, the difference in height of the low side and the high side of the step is adapted to the thickness of the flexible screen.
In some embodiments, the inner shaft adopts a hollow structure, a communication groove is arranged on the lower side of the inner shaft, which is close to the step part, and the end part of the flexible screen is bent to penetrate through the communication groove.
In some embodiments, the flexible screen includes a display layer, and first and second film layers disposed on opposite sides of the display layer, respectively, the first and second film layers encasing the display layer.
In some embodiments, an external connector is disposed at one end of the display layer, the external connector and one end of the display layer where the external connector is located are bent and pass through the communication groove, one end of the first film layer is embedded in the step portion, the second film layer is attached to the outer wall of the inner shaft, and one end of the second film layer is close to the communication groove.
In some embodiments, the inner shaft is provided with a bonding groove near the bending part of the display layer, and the bonding groove accommodates colloid for fixing the display layer.
In some embodiments, the first film layer comprises one or more of the following: polarizer, external touch module and protective layer; the second film layer includes one or more of the following: a back film, a heat dissipation film, a support film and an electromagnetic shielding layer; the display layer includes one or more of the following: flexible substrate, thin film transistor, organic electronic display device, thin film package, touch control and color film.
In some embodiments, the display device further includes an external circuit unit disposed within the inner shaft, the external connector being connected to the external circuit unit.
In some embodiments, the display device further comprises a handle portion for pulling the flexible screen from the reel portion.
In some embodiments, a telescoping support is provided between the handle portion and the spool portion such that when the flexible screen is deployed, the telescoping support deploys to provide support for the deployed flexible screen from the bottom.
In some embodiments, the flexible screen comprises a film layer and a functional layer arranged on the back of the film layer, the functional layer covers the middle of the film layer, gum layers are laid on two sides of the functional layer, the flexible screen is adhered to the inner shaft through one end of the gum layer, and the flexible screen is adhered to the handle part through the other end of the gum layer.
In some embodiments, the functional layer is the same thickness as the backsize layer.
In some embodiments, the coating layer is a surface coating strengthening material; the functional layer comprises optical cement, a polaroid, a touch screen, a display screen and a bottom film.
In some embodiments, the inner shaft is connected to an inner wall of the spool portion by a torsion spring.
Compared with the prior art, the beneficial effects of the embodiment of the disclosure are that: according to the flexible screen, the flexible screen is wound on the inner shaft from the low side of the step part, so that the flexible screen can be smoothly wound on the inner shaft, the problem of local stress concentration of the flexible screen caused by local protrusion or depression of the flexible screen is effectively avoided, and when the flexible screen is unfolded or folded, the problem of stress concentration of the end part of the flexible screen is solved, so that the structural strength of a product is increased, and the service life of the product is prolonged.
Drawings
In the drawings, which are not necessarily drawn to scale, like numerals may describe similar components in different views. The same reference numerals with letter suffixes or different letter suffixes may represent different instances of similar components. The accompanying drawings illustrate various embodiments by way of example in general and not by way of limitation, and together with the description and claims serve to explain the disclosed embodiments. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. Such embodiments are illustrative and not intended to be exhaustive or exclusive of the present apparatus or method.
FIG. 1 is a schematic diagram of a conventional display device;
fig. 2 is a schematic structural diagram of a display device according to an embodiment of the disclosure;
FIG. 3 is a schematic view of the structure of the inner shaft of the display device according to the embodiment of the present disclosure;
FIG. 4 is a schematic cross-sectional view of a display device according to an embodiment of the disclosure;
FIG. 5 is a schematic view showing a structure in which a flexible screen of a display device according to an embodiment of the present disclosure is pulled out;
fig. 6 is a schematic structural view of a flexible screen of a display device according to an embodiment of the present disclosure.
The reference numerals in the drawings denote components:
1-a reel part; 11-an inner shaft; 12-step part; 13-a communicating groove; 14-a bonding groove; 15-inner wall; 2-a flexible screen; 21-a display layer; 22-a first film layer; 23-a second film layer; 24-an external joint; 25-a functional layer; 26-a backsize layer; 27-coating a film layer; 3-a handle portion; 4-height difference.
Detailed Description
In order to better understand the technical solutions of the present disclosure, the following detailed description of the present disclosure is provided with reference to the accompanying drawings and the specific embodiments. Embodiments of the present disclosure will be described in further detail below with reference to the drawings and specific embodiments, but not by way of limitation of the present disclosure.
The terms "first," "second," and the like, as used in this disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
In this disclosure, when a particular device is described as being located between a first device and a second device, there may or may not be an intervening device between the particular device and either the first device or the second device. When it is described that a particular device is connected to other devices, the particular device may be directly connected to the other devices without intervening devices, or may be directly connected to the other devices without intervening devices.
All terms (including technical or scientific terms) used in this disclosure have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs, unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
The embodiment of the disclosure provides a display device, as shown in fig. 2, the display device includes a reel portion 1 and a flexible screen 2, when a user needs to use the flexible screen 2 to display, the flexible screen 2 can be pulled out of the reel portion 1, when the flexible screen 2 is not needed to be used, the flexible screen 2 is wound in the reel portion 1, the reel portion 1 includes an inner shaft 11, the flexible screen 2 is sequentially wound on the inner shaft 11, the inner shaft 11 is formed with a step portion 12, the step portion 12 can be connected to the inner shaft 11 in a detachable connection manner, and can also be integrally formed with the inner shaft 11, preferably, the step portion 12 and the inner shaft 11 are integrally formed, so that the structural strength is ensured, and meanwhile, the dimensional accuracy and the machining accuracy of products can be ensured when the products are produced in batches in factories; the flexible screen 2 is wound on the inner shaft 11 from the low side of the step part 12 in a withdrawable manner, and the flexible screen 2 can be smoothly wound on the inner shaft 11 through the step part 12 on the inner shaft 11, so that the problem of local stress concentration of the flexible screen 2 caused by local protrusion or depression of the flexible screen 2 is effectively avoided, and the flexible screen has a simple structure, can reduce cost and can prolong the service life of a product.
In some embodiments, the radius of the inner shaft 11 is gradually increased in the winding direction from the low side to the high side of the stepped portion 12 to accommodate the change in distance of the flexible screen 2 from the inner shaft 11 when the flexible screen 2 is wound around the inner shaft 11, so that the flexible screen 2 can be smoothly wound around the gradually changed inner shaft 11 from the stepped portion 12.
In some embodiments, the outer circumferential surface of the inner shaft 11 is formed as a spiral (as shown in fig. 3), which is a curve formed by starting to wind outwardly and circle by circle at one fixed point, the spiral starts from the stepped portion 12, and the radius increases by a predetermined value every unit angle along the winding direction of the flexible screen 2, so that the bottom layer of the flexible screen 2 can be smoothly wound, and thus the flexible screen 2 does not cause a problem of local stress concentration thereof when further wound around the inner shaft 11.
In some embodiments, the height difference 4 between the low side and the high side of the step portion 12 is adapted to the thickness of the flexible screen 2, as shown in fig. 3, where the height difference of the step portion 12 is the value of the height difference 4 between the low side and the high side of the step portion 12, and the adapted height difference 4 and thickness can make the flexible screen 2 not be too large or too small due to the height difference 4 of the step portion 12, and still have a problem of local stress concentration.
In some embodiments, the inner shaft 11 adopts a hollow structure (as shown in fig. 4), and the lower side of the inner shaft, which is close to the step portion 12, is provided with a communication groove 13, the end portion of the flexible screen 2 is bent to pass through the communication groove 13, the hollow structure can effectively lighten the dead weight of a product, and the end portion of the flexible screen 2 is bent to penetrate into the inner shaft 11, so that the end portion of the flexible screen 2 can be effectively protected, the problem that the end portion of the flexible screen 2 is easily damaged due to concentrated stress when the flexible screen 2 is pulled out of the reel portion 1 is avoided, namely, the problem that the stress of the end portion of the flexible screen 2 is concentrated when the flexible screen 2 is unfolded or folded is solved, and the service life of the product is prolonged.
In some embodiments, continuing with fig. 4, the flexible screen 2 includes a display layer 21, and a first film layer 22 and a second film layer 23 disposed on opposite sides of the display layer 21, respectively, the first film layer 22 and the second film layer 23 wrapping the display layer 21, while protecting the display layer 21, also being capable of satisfying the functionality of the display layer 21.
In some embodiments, an external connector 24 (as shown in fig. 4) is disposed at one end of the display layer 21, the external connector 24 and one end of the display layer 21 where the external connector 24 is located are bent and pass through the communication groove 13, the problem that the end of the flexible screen 2 is damaged at the end after being repeatedly unfolded or folded is avoided, the functionality of the display layer 21 can be met through a simple structural design, and on the basis of not occupying other space, the connection space of the external connector 24 can also be met, as shown in fig. 4, one end of the first film layer 22 is embedded in the step portion 12 so as to share the external force born by the display layer 21 in the unfolding process, so that the stability of the end of the display layer 21 is improved, the second film layer 23 is attached to the outer wall of the inner shaft 11, one end of the second film layer 23 is close to the communication groove 13, the arrangement mode of the first film layer 22 and the second film layer 23 can avoid the influence that one end of the display layer 21 penetrates into the hollow portion of the inner shaft 11, and the flexible screen 2 is convenient to wind on the inner shaft 11 in multiple layers. To increase the bending property of the display layer 21, the back of the display layer 21 may be locally removed or thinned.
In some embodiments, the fixing manner of the display layer 21 bent into the hollow portion of the inner shaft 11 and the inner shaft 11 is not limited, and the two may be adhesive bonding, a locking mechanism, an extrusion mechanism, etc., so that the one end of the display layer 21 is effectively fixed on the inner shaft 11 without damaging the flexible screen 2.
In some embodiments, the bending portion of the inner shaft 11 near the display layer 21 is provided with a bonding groove 14, and the bonding groove 14 contains a glue for fixing the display layer 21, so that the back surface of the display layer 21 is bonded and fixed, thereby improving reliability, preventing the display layer 21 from being separated from the reel portion 1 when the display layer 21 is pulled out of the reel portion 1, or preventing one end of the display layer 21 bent into the hollow portion of the inner shaft 11 from being connected loose after the display layer 21 is repeatedly unfolded and folded, which results in affecting the use of a user.
In some embodiments, the first film layer 22 includes one or more of the following: polarizer, external touch module and protective layer; the second film layer 23 includes one or more of the following: a back film, a heat dissipation film, a support film and an electromagnetic shielding layer; the display layer 21 includes one or more of the following: flexible substrates, thin film transistors, organic electronic display devices, thin film packages, touch controls, and color films to satisfy the functionality of the flexible screen 2.
In some embodiments, the display device further includes an external circuit unit disposed in the inner shaft 11, the external connector 24 is connected to the external circuit unit (not shown in the figure), and the external circuit unit is in conductive connection with the external connector 24 to supply power to the display layer 21, and the external circuit unit is disposed in the hollow portion of the inner shaft 11, so that the flexible screen 2 is powered on the basis of not occupying other space, so that the structure of the display device is exquisite, and the requirements of users and markets are met.
In some embodiments, the display device further includes a handle portion 3 (as shown in fig. 5) for pulling the flexible screen 2 out of the reel portion 1, wherein the double-headed arrow indicates the direction in which the flexible screen 2 is drawn out and retracted, and the handle portion 3 is convenient for a user to operate, so that the user's feeling of use can be improved.
In some embodiments, a telescopic bracket is arranged between the handle part 3 and the scroll part 1, the telescopic bracket can adopt an air pressure telescopic rod or a hydraulic telescopic rod and the like, the structure of the telescopic bracket is not limited, and the telescopic bracket can be conveniently used for stretching and expanding and retracting the flexible screen 2 by a user, so that when the flexible screen 2 is expanded, the flexible screen 2 is supported from the bottom by the expansion of the telescopic bracket, the surface of the screen is uneven and the like due to the characteristics of the flexible screen 2, and the flexible screen 2 can be flatly supported by the telescopic bracket, so that the user can conveniently watch the screen, and the user experience is improved.
In some embodiments, the flexible screen 2 includes a film coating layer 27 and a functional layer 25 (as shown in fig. 6) disposed on the back of the film coating layer 27, where the functional layer 25 covers the middle of the film coating layer 27, and two sides of the functional layer are laid with a backing layer 26, so that the functional layer 25 and the backing layer 26 can completely cover the film coating layer 27, one end of the flexible screen 2 through the backing layer 26 is glued to the inner shaft 11, the other end of the flexible screen 2 through the backing layer 26 is glued to the handle portion 3, and the flexible screen 2 is glued to the handle portion 3 and the inner shaft 11 through the backing layer 26 without affecting the display of the flexible screen 2, so that the flexible screen 2 can be stably fixed.
In some embodiments, with continued reference to fig. 6, the functional layer 25 and the backing layer 26 have the same thickness, so that the front and rear surfaces of the flexible screen 2 are flat, and the flexible screen 2 is prevented from being subjected to resistance or local stress concentration due to its shape and size when being retracted into the spool part 1, so that the service life of the flexible screen 2 is affected.
In some embodiments, the coating 27 is a surface coating reinforcement material; the functional layer 25 includes an optical adhesive, a polarizer, a touch screen, a display screen, and a base film to satisfy the functionality of the flexible screen 2.
In some embodiments, the inner shaft 11 is connected to the inner wall 15 of the spool part 1 (as shown in fig. 2) by a torsion spring that provides a winding force for providing retraction of the flexible screen 2 when the flexible screen 2 is withdrawn, the torsion spring being simple in structure and easy to install.
Furthermore, although exemplary embodiments have been described herein, the scope thereof includes any and all embodiments having equivalent elements, modifications, omissions, combinations (e.g., of the various embodiments across schemes), adaptations or alterations based on the present disclosure. The elements in the claims are to be construed broadly based on the language employed in the claims and are not limited to examples described in the present specification or during the practice of the application, which examples are to be construed as non-exclusive. It is intended, therefore, that the specification and examples be considered as exemplary only, with a true scope and spirit being indicated by the following claims and their full scope of equivalents.
The above description is intended to be illustrative and not restrictive. For example, the above-described examples (or one or more aspects thereof) may be used in combination with each other. For example, other embodiments may be used by those of ordinary skill in the art upon reading the above description. In addition, in the above detailed description, various features may be grouped together to streamline the disclosure. This is not to be interpreted as an intention that the disclosed features not being claimed are essential to any claim. Rather, the disclosed subject matter may include less than all of the features of a particular disclosed embodiment. Thus, the following claims are hereby incorporated into the detailed description as examples or embodiments, with each claim standing on its own as a separate embodiment, and it is contemplated that these embodiments may be combined with one another in various combinations or permutations. The scope of the disclosure should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.
The above embodiments are merely exemplary embodiments of the present disclosure, which are not intended to limit the present disclosure, the scope of which is defined by the claims. Various modifications and equivalent arrangements of parts may be made by those skilled in the art, which modifications and equivalents are intended to be within the spirit and scope of the present disclosure.
Claims (10)
1. A display device, characterized in that the display device comprises:
a spool portion including an inner shaft formed with a stepped portion; and
A flexible screen that is wound around the inner shaft from a lower side of the stepped portion in an extractable manner;
The inner shaft adopts a hollow structure, a communication groove is formed in the lower side of the inner shaft, which is close to the step part, and the end part of the flexible screen is bent to penetrate through the communication groove; the flexible screen comprises a display layer, a first film layer and a second film layer which are respectively arranged on two opposite sides of the display layer, wherein the display layer is coated by the first film layer and the second film layer; an external connector is arranged at one end of the display layer, the external connector and one end of the display layer where the external connector is positioned are bent and penetrate through the communication groove, one end of the first film layer is embedded in the step part, the second film layer is attached to the outer wall of the inner shaft, and one end of the second film layer is close to the communication groove; a bonding groove is formed in the bending part of the inner shaft, which is close to the display layer, and colloid for fixing the display layer is contained in the bonding groove;
The radius of the inner shaft is gradually increased in the winding direction from the low side to the high side of the step portion; the height difference between the low side and the high side of the step part is matched with the thickness of the flexible screen.
2. The display device according to claim 1, wherein an outer peripheral surface of the inner shaft forms a spiral line starting from the stepped portion and having a radius increased by a predetermined value per unit angle along a winding direction.
3. The display device of claim 1, wherein the first film layer comprises one or more of: polarizer, external touch module and protective layer; the second film layer includes one or more of the following: a back film, a heat dissipation film, a support film and an electromagnetic shielding layer; the display layer includes one or more of the following: flexible substrate, thin film transistor, organic electronic display device, thin film package, touch control and color film.
4. The display device according to claim 1, further comprising an external circuit unit disposed within the inner shaft, the external connector being connected to the external circuit unit.
5. The display device of claim 1, further comprising a handle portion for pulling the flexible screen out of the reel portion.
6. The display device according to claim 5, wherein a telescopic bracket is provided between the handle portion and the reel portion so that when the flexible screen is deployed, the telescopic bracket is deployed to provide support for the deployed flexible screen from the bottom.
7. The display device according to claim 5, wherein the flexible screen includes a film layer and a functional layer provided on a back surface of the film layer, the functional layer covers a middle portion of the film layer, and backing layers are laid on both sides of the functional layer, the flexible screen is adhered to the inner shaft through one end of the backing layer, and the flexible screen is adhered to the handle portion through the other end of the backing layer.
8. The display device of claim 7, wherein the functional layer is the same thickness as the backsize layer.
9. The display device according to claim 7, wherein the coating layer is made of a surface coating reinforcing material; the functional layer comprises optical cement, a polaroid, a touch screen, a display screen and a bottom film.
10. The display device according to claim 1, wherein the inner shaft is connected to an inner wall of the reel portion by a torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910334669.7A CN109887419B (en) | 2019-04-24 | 2019-04-24 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910334669.7A CN109887419B (en) | 2019-04-24 | 2019-04-24 | Display device |
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| Publication Number | Publication Date |
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| CN109887419A CN109887419A (en) | 2019-06-14 |
| CN109887419B true CN109887419B (en) | 2024-05-07 |
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| CN201910334669.7A Active CN109887419B (en) | 2019-04-24 | 2019-04-24 | Display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211506B (en) * | 2019-07-04 | 2021-08-06 | 京东方科技集团股份有限公司 | Scroll type display device |
| KR20210017058A (en) * | 2019-08-06 | 2021-02-17 | 엘지디스플레이 주식회사 | Display device |
| CN111157358B (en) * | 2020-01-10 | 2023-06-23 | 昆山国显光电有限公司 | Reel and flexible screen body testing device |
| CN111453547B (en) * | 2020-03-16 | 2021-10-01 | 济南利君机械设备有限公司 | Film roll core |
| CN111443767B (en) * | 2020-03-24 | 2023-04-25 | 维沃移动通信有限公司 | Display screen and electronic equipment |
| WO2021233013A1 (en) * | 2020-05-22 | 2021-11-25 | 京东方科技集团股份有限公司 | Rollable display device |
| CN111640372A (en) | 2020-06-08 | 2020-09-08 | 武汉华星光电半导体显示技术有限公司 | Scroll and display device |
| CN111624094B (en) * | 2020-07-08 | 2023-06-27 | 玛尔斯检测技术(苏州)有限公司 | Flexible material curling test platform and method |
| CN112018263B (en) * | 2020-08-07 | 2022-03-29 | 武汉华星光电半导体显示技术有限公司 | Flexible display device |
| CN112002226B (en) | 2020-08-17 | 2022-02-22 | 武汉华星光电半导体显示技术有限公司 | Flexible display device |
| CN212724535U (en) * | 2020-08-26 | 2021-03-16 | 京东方科技集团股份有限公司 | Flexible display device |
| CN112435582B (en) * | 2020-11-30 | 2022-07-22 | 武汉天马微电子有限公司 | Reel and flexible display device |
| CN112652241A (en) * | 2020-12-02 | 2021-04-13 | 合肥维信诺科技有限公司 | Crimping device and crimping test device |
| CN112991957A (en) * | 2021-03-22 | 2021-06-18 | 合肥维信诺科技有限公司 | Folding screen and display device |
| CN113516919B (en) * | 2021-07-27 | 2023-04-18 | 京东方科技集团股份有限公司 | Flexible supporting assembly and flexible display device |
| CN114464091B (en) * | 2022-02-09 | 2023-05-09 | 闻泰通讯股份有限公司 | Scroll screen and electronic equipment |
| CN114446180B (en) * | 2022-02-22 | 2023-10-31 | 合肥维信诺科技有限公司 | Display panel and display device |
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