CN110288912B - Flexible display module and display device - Google Patents
Flexible display module and display device Download PDFInfo
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- CN110288912B CN110288912B CN201910570835.3A CN201910570835A CN110288912B CN 110288912 B CN110288912 B CN 110288912B CN 201910570835 A CN201910570835 A CN 201910570835A CN 110288912 B CN110288912 B CN 110288912B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
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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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Abstract
The application provides a flexible display module and a display device. The flexible display module comprises a flexible display panel capable of being curled and a supporting layer arranged below the flexible display panel. The flexibility of the support layer is lower when the temperature is higher than a specified temperature than when the temperature is lower than or equal to the specified temperature; the support layer may be curled along with the flexible display panel when the temperature of the support layer is less than or equal to the specified temperature value. The display device comprises the flexible display module.
Description
Technical Field
The application relates to the technical field of display, especially, relate to a flexible display module assembly and display device.
Background
The flexible display device has the characteristics of being bendable or foldable and the like, and is widely applied to a plurality of electronic devices such as mobile communication terminals, tablet computers, electronic books, navigation equipment and the like.
The display module of the flexible display device comprises a flexible display panel and a support layer for supporting the flexible display panel, and when the display module is curled or folded, the support layer is curled or folded together with the flexible display panel, so that the flexibility of the support layer is generally high. However, the higher flexibility of supporting layer can make the display module assembly when expanding, and the supporting effect of supporting layer to flexible display panel is not good, and then the condition that unevenness or distortion appear when leading to the display module assembly to expand, influences user's use and experiences.
Disclosure of Invention
According to a first aspect of the embodiments of the present application, a flexible display module is provided, which includes a rollable flexible display panel and a supporting layer disposed below the flexible display panel;
the flexibility of the support layer is lower when the temperature is higher than a specified temperature than when the temperature is lower than or equal to the specified temperature; the support layer may be curled along with the flexible display panel when the temperature of the support layer is less than or equal to the specified temperature value.
In one embodiment, the support layer includes a body having pores and a plurality of heat-sensitive particles filled in the pores, the heat-sensitive particles being configured to: when the temperature of the support layer is increased to be higher than the specified temperature value, the heat-sensitive particles expand, the porosity of the support layer is reduced, and the flexibility of the support layer is reduced; when the temperature of the supporting layer is reduced to be less than or equal to the specified temperature value, the heat-sensitive particles shrink, the porosity of the supporting layer is increased, and the flexibility of the supporting layer is improved;
the heat-sensitive particles are uniformly dispersed within the pores.
In one embodiment, the material of the body comprises foam.
In one embodiment, the thermosensitive particles include a spherical hollow first membrane layer, air is filled in the first membrane layer, and the material of the first membrane layer is a high molecular polymer with elasticity; when the temperature of the support layer is increased to be higher than the specified temperature value, the air in the first film layer expands, so that the volume of the heat-sensitive particles is increased; when the temperature of the support layer is decreased to less than or equal to the specified temperature value, air in the first film layer contracts, and thus the volume of the heat-sensitive particles decreases.
In one embodiment, the heat-sensitive particles further comprise a second film layer coated outside the first film layer and hard particles dispersed inside the second film layer; when the temperature of the supporting layer is increased to be higher than the specified temperature, the viscosity of the second film layer is increased to be bonded with the body, and the adjacent second film layer is bonded; when the temperature of the support layer is reduced to less than the prescribed temperature, the second film layer is solidified and has reduced viscosity, and the hard particles separate the solidified second film layer when being impacted by the outside.
In one embodiment, the material of the first film layer comprises rubber; and/or the material of the second film layer comprises resin and/or gelatin; and/or the hard particles comprise at least one of talcum powder, fine sand or metal particles.
In one embodiment, the support layer further comprises a thickener disposed within the pores, the thickener being uniformly dispersed among the heat-sensitive particles.
In one embodiment, the support layer further comprises thermally conductive particles disposed within the pores, the thermally conductive particles being uniformly dispersed among the thermally sensitive particles.
In one embodiment, heating wires are disposed within the support layer.
According to a second aspect of the embodiments of the present application, a display device is provided, which includes the above-mentioned flexible display module.
In one embodiment, the display device further includes a receiving portion, a reel is disposed in the receiving portion, one end of the flexible display module is connected to the reel, and when the reel rotates, the flexible display panel and the supporting layer are driven to be wound on the reel, or the flexible display panel and the supporting layer are unwound from the reel and are moved out of the receiving portion.
The flexible display module and the display device provided by the embodiment of the application have the advantages that when the temperature is higher than the specified temperature, the flexibility of the supporting layer of the flexible display module is lower, when the temperature is lower than or equal to the specified temperature, the flexibility of the supporting layer of the flexible display module is higher, the flexibility of the supporting layer 20 can be changed by controlling the temperature of the supporting layer, namely, when the flexible display module needs to be curled, the temperature of the supporting layer can be controlled to be lower than or equal to the specified temperature, and therefore the supporting layer can be curled together with the flexible display panel; when expanding flexible display module assembly, the temperature of steerable supporting layer risees to being greater than appointed temperature to the hardness of supporting layer improves, can support flexible display panel better, and unevenness or the condition of distortion when avoiding flexible display module assembly to lead to expanding because of the flexibility is lower can promote user's use and experience.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
Fig. 1 is a schematic structural diagram of a flexible display module according to an embodiment of the present disclosure;
FIG. 2 is a cross-sectional view of a support layer of the flexible display module shown in FIG. 1;
FIG. 3 is another cross-sectional view of the support layer of the flexible display module shown in FIG. 1;
FIG. 4 is a cross-sectional view of a support layer of the flexible display module of FIG. 1;
fig. 5 is a schematic structural diagram of a display device provided in an embodiment of the present application when a flexible display module is unfolded;
fig. 6 is a schematic structural diagram of the display device provided in the embodiment of the present application when the flexible display module is curled.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "plurality" includes two, and is equivalent to at least two. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The flexible display module and the display device in the embodiments of the present application are described in detail below with reference to the accompanying drawings. The features of the following examples and embodiments can be supplemented or combined with each other without conflict.
The embodiment of the application provides a flexible display module. Referring to fig. 1, the flexible display module 100 includes a rollable flexible display panel 10 and a support layer 20 disposed below the flexible display panel 10.
The flexibility of the support layer 20 at a temperature greater than a specified temperature is lower than the flexibility of the support layer 20 at a temperature less than or equal to the specified temperature. When the temperature of the support layer 20 is less than or equal to the designated temperature value, the support layer 20 may be curled along with the flexible display panel 10.
In the flexible display module 100 provided in the embodiment of the application, since the flexibility of the supporting layer 20 is low when the temperature is higher than the specified temperature, and the flexibility of the supporting layer 20 is high when the temperature is lower than or equal to the specified temperature, the flexibility of the supporting layer 20 can be changed by controlling the temperature of the supporting layer 20, that is, when the flexible display module needs to be curled, the temperature of the supporting layer 20 can be controlled to be lower than or equal to the specified temperature, so that the supporting layer 20 can be curled together with the flexible display panel 10; when expanding flexible display module assembly, the temperature of steerable supporting layer 20 rises to being greater than appointed temperature to supporting layer 20's hardness improves, can support flexible display panel 10 better, avoids flexible display module assembly 100 because of the flexibility lower and uneven or the condition of distortion when leading to expanding, can promote user's use and experience.
The specified temperature may range from 50 ℃ to 80 ℃, such as 55 ℃, 60 ℃, 65 ℃, 70 ℃, 75 ℃ and the like, and the specified temperature is related to the material of the support layer 20. A temperature of not more than 80 c is generally specified to avoid that the temperature of the support layer 20 is too high to affect the proper operation of the flexible display panel 10.
In one embodiment, referring to fig. 2, the support layer 20 includes a body 21 and a plurality of heat-sensitive particles 22, the body 21 has pores 211, and the heat-sensitive particles 22 are filled in the pores 211. The heat-sensitive particles 22 are configured to: when the temperature of the support layer 20 is increased to be greater than the designated temperature value, the heat-sensitive particles 22 are expanded, the porosity of the support layer 20 is reduced, and thus the flexibility of the support layer 20 is reduced; when the temperature of the support layer 20 is decreased to less than or equal to the predetermined temperature value, the heat-sensitive particles 22 are shrunk, the porosity of the support layer 20 is increased, and thus the flexibility of the support layer 20 is increased. In fig. 2, only a part of the pores 211 is filled with the heat-sensitive particles 22, and in practice, each of the pores 211 of the body 21 may be filled with the heat-sensitive particles 22.
Wherein the porosity of the support layer 20 refers to a ratio of a total volume of the pores 211 of the support layer 20 to a total volume of the support layer 20. The greater the porosity of the support layer 20, the greater the hardness of the support layer 20 as a whole, and the less likely it is to bend or curl. When the heat-sensitive particles 22 swell, the volume of the heat-sensitive particles 22 becomes larger, and the volume of the pores 211 of the support layer 20 not occupied by the heat-sensitive particles 22 decreases, whereas the porosity of the support layer 20 decreases compared to before the heat-sensitive particles 22 swell without changing the total volume of the support layer 20. When the heat-sensitive particles 22 shrink, the volume of the heat-sensitive particles 22 decreases, and the volume of the pores 211 of the support layer 20 not occupied by the heat-sensitive particles 22 increases, whereas the total volume of the support layer 20 does not change, and the porosity of the support layer 20 increases compared to when the heat-sensitive particles 22 swell.
By filling the thermal sensitive particles 22 in the pores 211 of the body 21, the temperature of the support layer 20 can be controlled to change the volume of the thermal sensitive particles 22, and further change the flexibility of the support layer 20, so that the support layer 20 can be curled along with the flexible display panel 10, and the flexible display panel 10 can be effectively supported when the flexible display panel is unfolded, thereby facilitating the change of the flexibility of the support layer 20.
In one embodiment, the support layer 20 may achieve the temperature increase by absorbing heat dissipated during operation of the flexible display panel 10. The flexible display panel 10 emits heat during operation, the temperature of the support layer 20 continuously rises after absorbing the heat emitted by the flexible display panel 10, and when the temperature rises to a specified temperature value, the flexibility of the support layer 20 is reduced, so that the flexible display panel 10 can be effectively supported. When the flexible display panel 10 stops working, heat is not radiated any more, the support layer 20 also starts radiating heat to the external environment, and the temperature of the support layer 20 starts to decrease, and when the temperature of the support layer 20 decreases to be less than or equal to a specified temperature, the flexibility of the support layer 20 increases, and curling may occur together with the flexible display panel 10.
In another embodiment, heating wires may be disposed within the support layer 20 and used to heat the support layer 20. When flexible display module assembly 100 expandes often, the control heating silk heats supporting layer 20, thereby can make the temperature of supporting layer 20 rise to the assigned temperature in short time, compare in supporting layer 20 and realize rising temperature through the heat that absorbs flexible display panel 10 and give off, the temperature of supporting layer 20 rises more fast, and then the flexibility reduces faster, the hardness of supporting layer 20 can expand the back short time at flexible display panel 10 and improve, help promoting user's use experience. When the flexible display module 100 needs to be curled or folded, the heating wires are controlled to stop heating, and the temperature of the support layer 20 begins to decrease.
Further, heating wires may be disposed at a side of the support layer 20 facing away from the flexible display panel 10. So set up, can avoid causing the temperature height of flexible display panel 10 and influence flexible display panel 10's work when the heating wire heats.
In one embodiment, the pores 211 of the body 21 are uniformly distributed in the body 21, the body 21 is filled with a plurality of heat-sensitive particles 22, and the plurality of heat-sensitive particles 22 are uniformly dispersed in the pores 211 of the body 21. By such an arrangement, the flexibility of the supporting layer 20 is relatively consistent, and the situation that the flexible display panel 10 is locally uneven due to the lower local flexibility of the supporting layer 20 when the flexible display module 100 is unfolded can be avoided.
In one embodiment, the material of the body 21 may include foam. The foam has the advantages of light weight and high flexibility, so that the flexible display module 100 is light in weight and easy to bend and curl. In other embodiments, the material of the body 21 may also include graphite or other porous and flexible materials.
In one embodiment, referring to fig. 2 again, the thermosensitive particles 22 may include a spherical hollow first film layer 221, the first film layer 221 is filled with air, and the material of the first film layer 221 is a high molecular polymer with elasticity. When the temperature of the support layer 20 is increased to be greater than the specified temperature value, the air in the first film layer 221 expands, so that the volume of the heat-sensitive particles 22 increases; when the temperature of the support layer 20 is decreased to be less than or equal to the specified temperature value, the air in the first film layer 221 is contracted, and thus the volume of the heat-sensitive particles 22 is decreased.
Since the material of the first film layer 221 of the thermosensitive particle 22 is a high molecular polymer having elasticity, the elasticity of the first film layer 221 is better, the first film layer 221 can expand along with the expansion of the air filled inside, and contract along with the contraction of the air filled inside, and can repeatedly expand and contract, so as to ensure that the service life of the first film layer 221 is longer, and further, the service life of the flexible display module 100 is longer.
In one embodiment, the material of the first film layer 221 may include rubber, and may be silicone, for example. The rubber has high elasticity and toughness, and can prevent the first film layer 221 from cracking during the expansion process.
In one embodiment, referring again to fig. 2, the heat-sensitive particles 22 may further include a second film layer 222 coated outside the first film layer 221 and hard particles 223 dispersed inside the second film layer 222. Referring to fig. 3, when the temperature of the support layer 20 is increased to be higher than the designated temperature, the second film layer 222 increases in viscosity to be bonded to the body 21; when the temperature of the support layer 20 is lowered to less than the predetermined temperature, the second film layer 222 is solidified and has a reduced viscosity, and the hard particles 223 separate the solidified second film layer 222 when being impacted by the outside.
The second film 222 melts to some extent when the temperature is increased, the fluidity is increased, and the viscosity is increased to be bonded with the body 21. When the first film 221 expands, the second film 222 is bonded to the body 21, so that the heat-sensitive particles 22 are prevented from moving in the pores 211 of the body 21, and the hardness of the support layer 20 is further improved, thereby improving the support effect of the support layer 20.
Also, since the pores 211 of the body 21 are communicated with each other, after the fluidity of the second film layer 222 is increased, the second film layer 222 in different pores 211 may come into contact and be bonded together, so that the plurality of heat-sensitive particles 22 are bonded together, as shown in fig. 3. When the plurality of heat-sensitive particles 22 are bonded together, the heat-sensitive particles 22 are further prevented from moving in the pores 211, which is further beneficial to improving the supporting effect of the supporting layer 20 on the flexible display panel 10.
The hard particles 223 have a high hardness and a higher melting point than the second film layer 222. When the temperature of the support layer 20 is higher than a prescribed temperature, the hard particles 223 do not melt. The hard particles 223 may flow with the second film layer 222 as the second film layer 222 flows. When the temperature of the support layer 20 is lowered to the normal temperature, the second film layer 222 is solidified, and the hard particles 223 are solidified in the second film layer 222. When the flexible display module 100 is slightly impacted, the second film 222 is split at the hard particles 223, so that the solidified second film 222 is separated. Referring to fig. 4, the solidified second film layer 222 may be split along the dashed lines.
By doping the hard particles 223 in the second film layer 222, the heat sensitive particles 22 that are solidified together can be split apart. After the thermosensitive particles bonded together are split, the flexibility of the supporting layer 20 is reduced, and the flexible display module 100 can be rolled or folded.
In one embodiment, the material of the second film layer 222 may include resin and/or gelatin. The material of the hard particles 223 may include at least one of talc powder, fine sand, or metal particles. The mass fraction of the hard particles 223 in the thermosensitive particles 22 may be in the range of 0.1% to 5%, preferably 1% to 3%. This prevents the hard particles 223 from having a mass fraction that is too high and thus causing pulverization during the preparation of the heat-sensitive particles 22, and prevents the second film layer 222, which is bonded together when the temperature of the support layer 20 is lowered and thus the mass fraction of the hard particles 223 is too low, from being effectively separated.
When the hard particles 223 are talc powder, the talc powder can fill and level up the depressions on the surface of the second film layer 222, thereby improving the smoothness of the surface of the second film layer 222 and further improving the flowability of the second film layer 222.
In one embodiment, the support layer 20 may further include a thickener disposed within the pores 211, the thickener being uniformly dispersed among the heat-sensitive particles 22. The thickening agent increases the viscosity of the heat sensitive particles 22 and helps to improve the stiffness and support of the support layer 20 at temperatures above a given temperature. The thickener may be an organic thickener such as cellulose ether, starch, polymer, or the like, or an inorganic thickener such as diatomaceous earth, a complex type organic metal compound, or the like.
In one embodiment, the support layer 20 may further include a plurality of heat conductive particles disposed within the pores 211 of the body 21, the heat conductive particles being uniformly dispersed among the heat sensitive particles. The thermal conductivity of the thermal conductive particles is good, so that the heat emitted from the flexible display panel 10 or the heat generated by the heating wires can be absorbed and conducted to the thermal sensitive particles 22, so that the temperature of the thermal sensitive particles 22 can be raised faster, and the hardness of the supporting layer 20 can be rapidly increased when the flexible display module 100 is unfolded. The heat conducting particles may be small metal particles, such as aluminum powder particles, copper powder particles, and the like. The heat-conducting particles are uniformly dispersed among the heat-sensitive particles 22, so that the heat absorbed by the heat-sensitive particles 22 is more uniform, and the flexibility of the supporting layer 20 is more uniform.
The embodiment of the application also provides a display device. The display device 200 includes the flexible display module 100.
In one embodiment, referring to fig. 5 and 6, the display device 200 may further include a receiving portion 210, a reel 211 is disposed in the receiving portion 210, one end of the flexible display module 100 is connected to the reel 211, and when the reel 211 rotates, the flexible display panel 10 and the supporting layer 20 are driven to be wound on the reel 211, or are unwound from the reel 211 and moved out of the receiving portion 210. Thus, when the flexible display module 100 is curled, the flexible display module is accommodated in the accommodating portion 210, so that the flexible display module 100 is convenient to carry, and the accommodating portion 210 can protect the flexible display module 100.
The display device 200 may further include a housing 220, and an end of the flexible display module 100 opposite to the winding shaft 211 is fixedly connected to the housing 220. Specifically, a fixing shaft 221 may be disposed in the housing 220, and an end of the flexible display module 100 facing away from the accommodating portion 210 may be fixed on the fixing shaft 221.
Referring to fig. 5, when the flexible display module 100 is rolled, it is accommodated in the accommodating portion 210, so that the display device 200 has a small volume and is convenient to carry. When the flexible display module 100 is unfolded, the flexible display module 100 is moved out of the accommodating portion 210, so that the effective display area of the flexible display module 100 is large, and the use experience of a user can be improved.
Although the present application has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application, and all changes, substitutions and alterations that fall within the spirit and scope of the application are to be understood as being covered by the following claims.
Claims (11)
1. A flexible display module is characterized by comprising a flexible display panel capable of being rolled and a supporting layer arranged below the flexible display panel;
the flexibility of the support layer is lower when the temperature is higher than a specified temperature than when the temperature is lower than or equal to the specified temperature; when the temperature of the support layer is less than or equal to the designated temperature value, the support layer can be curled along with the flexible display panel;
the support layer includes a body having pores and a plurality of heat-sensitive particles filled in the pores, the heat-sensitive particles being configured to: when the temperature of the support layer is increased to be higher than the specified temperature value, the heat-sensitive particles expand, the porosity of the support layer is reduced, and the flexibility of the support layer is reduced; when the temperature of the support layer is reduced to be less than or equal to the specified temperature value, the heat-sensitive particles shrink, the porosity of the support layer increases, and the flexibility of the support layer is improved.
2. The flexible display module of claim 1, wherein the heat sensitive particles are uniformly dispersed within the apertures.
3. The flexible display module of claim 2, wherein the body comprises foam.
4. The flexible display module according to claim 2, wherein the thermosensitive particles comprise a spherical hollow first film layer, the first film layer is filled with air, and the material of the first film layer is a high molecular polymer with elasticity; when the temperature of the support layer is increased to be higher than the specified temperature value, the air in the first film layer expands, so that the volume of the heat-sensitive particles is increased; when the temperature of the support layer is decreased to less than or equal to the specified temperature value, air in the first film layer contracts, and thus the volume of the heat-sensitive particles decreases.
5. The flexible display module of claim 4, wherein the heat-sensitive particles further comprise a second film layer coated outside the first film layer and hard particles dispersed inside the second film layer; when the temperature of the supporting layer is increased to be higher than the specified temperature, the viscosity of the second film layer is increased to be bonded with the body, and the adjacent second film layer is bonded; when the temperature of the support layer is reduced to less than the prescribed temperature, the second film layer is solidified and has reduced viscosity, and the hard particles separate the solidified second film layer when being impacted by the outside.
6. The flexible display module of claim 5, wherein the first film layer comprises rubber; and/or the material of the second film layer comprises resin and/or gelatin; and/or the hard particles comprise at least one of talcum powder, fine sand or metal particles.
7. The flexible display module of claim 2, wherein the support layer further comprises a thickener disposed within the apertures, the thickener being uniformly dispersed among the heat-sensitive particles.
8. The flexible display module of claim 2, wherein the support layer further comprises thermally conductive particles disposed within the apertures, the thermally conductive particles being uniformly dispersed among the thermally sensitive particles.
9. The flexible display module of claim 1, wherein a heating wire is disposed within the support layer.
10. A display device, characterized in that the display device comprises the flexible display module according to any one of claims 1-9.
11. The display device according to claim 10, further comprising a receiving portion, wherein a reel is disposed in the receiving portion, one end of the flexible display module is connected to the reel, and the reel drives the flexible display panel and the supporting layer to be wound onto the reel or to be unwound from the reel and move out of the receiving portion.
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| CN110728915B (en) * | 2019-10-31 | 2021-12-31 | 武汉天马微电子有限公司 | Rollable display device and driving method thereof |
| CN110599913B (en) * | 2019-10-31 | 2022-02-15 | 云谷（固安）科技有限公司 | Flexible display panel and flexible display device |
| CN111739427B (en) * | 2020-07-06 | 2022-05-31 | 武汉华星光电半导体显示技术有限公司 | Display module and display device |
| CN112116873B (en) * | 2020-09-24 | 2022-12-23 | 京东方科技集团股份有限公司 | Rollable display device and preparation method of heat-conducting adhesive layer |
| CN112151586B (en) * | 2020-09-24 | 2023-09-01 | 京东方科技集团股份有限公司 | Display panel, display device and preparation method of display panel |
| CN113648126A (en) * | 2021-08-17 | 2021-11-16 | 上海交通大学医学院附属第九人民医院 | Temperature-sensitive support |
| CN114267252B (en) * | 2021-12-28 | 2023-07-21 | 武汉天马微电子有限公司 | Flexible display panel |
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