CN113393774A - Flexible cover plate and flexible display device - Google Patents
Flexible cover plate and flexible display device Download PDFInfo
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- CN113393774A CN113393774A CN202110849909.4A CN202110849909A CN113393774A CN 113393774 A CN113393774 A CN 113393774A CN 202110849909 A CN202110849909 A CN 202110849909A CN 113393774 A CN113393774 A CN 113393774A
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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 invention discloses a flexible cover plate, a flexible display device and a flexible cover plate thinning method, wherein the flexible cover plate is used for covering a flexible screen, the flexible screen comprises a first display area, a second display area and a bending area for connecting the first display area and the second display area, the second display area is set to be a bendable area, the flexible cover plate comprises a first area for covering the first display area, a second area for covering the second display area and a third area for covering the bending area, the thickness of the second area and the thickness of the third area are smaller than that of the first area, and the surfaces of one sides of the first area, the second area and the third area, which are far away from the flexible screen, are flush. Through reducing the rigidity that thickness reduces at the flexible apron of bending zone and second display area department, improve the bendability of this department to the rigidity that reaches first district is greater than the rigidity of second district and third district, the bendability of second district and third district is greater than the bendability of first district, realizes that second district and third district can be buckled.
Description
Technical Field
The invention relates to the technical field of flexible display. And more particularly, to a flexible cover plate and a flexible display device.
Background
In recent years, products adopting the folding display screen are more and more widely applied, and have great research prospects around the bending form, the bending radius and the improvement of the impact resistance. At present, a folding screen mobile phone usually adopts a colorless polyimide film (CPI) of a flexible folding cover plate to realize bendability, but the CPI surface has insufficient scratch resistance and poor hand feeling, so that the user experience of the existing product is poor. The glass cover plate adopted by the solid-bending mobile phone has good hand feeling and mechanical property but does not have bending capability, so that the problem to be solved is how to enable one mobile phone to have the characteristics of solid bending and flexible folding. The design of traditional scheme to solid bent cover plate plus flexible apron generally adopts the method of glass apron and flexible CPI apron concatenation, and this makes can produce the laminating gap because of laminating precision or glue other problems such as material selection in the apron laminating technology, can't realize integration screen display.
Disclosure of Invention
The invention aims to provide a flexible cover plate and a flexible display device, which are used for eliminating a gap between a fixed curved screen and a folding screen cover plate and realizing integrated screen display.
According to an aspect of the present invention, there is provided a flexible cover for covering a flexible screen, the flexible screen including a first display region, a second display region and a bending region connecting the first display region and the second display region, the second display region being configured as a bendable region, the flexible cover including a first region for covering the first display region, a second region for covering the second display region and a third region for covering the bending region, wherein the thicknesses of the second region and the third region are less than the thickness of the first region, and a side surface of the first region, the second region and the third region away from the flexible screen are flush.
Preferably, the second display area includes third display area, fourth display area and connects the bendable area of third display area and fourth display area, the second area of flexible apron with the position that the bendable area corresponds is equipped with the attenuate region.
Preferably, the thinning area is arranged to be a groove structure, and the thickness of the bottom wall of the groove is half of the thickness of the second area.
Preferably, the cross section of the groove is trapezoidal or circular arc.
Preferably, the surface of one side of the flexible screen close to the second area and the third area is coated with an optical transparent organic coating, and the optical transparent organic coating of the third area is arranged in an inwards concave arc shape corresponding to the bending area.
Preferably, the optically transparent organic coating of the second region has a thickness of 0.04 mm.
Preferably, the thickness of the third region of the flexible cover sheet is gradually reduced from the thickness of the first region to the thickness of the second region.
Preferably, one side surface of the third area close to the flexible screen is provided with an inward concave arc shape corresponding to the bending area.
Preferably, the thickness of the first region of the flexible cover sheet is 0.5 mm.
Preferably, the thickness of the second region of the flexible cover sheet is in the range of 0.08mm to 0.1 mm.
According to another aspect of the present invention, there is provided a flexible display device comprising a flexible screen and the flexible cover sheet of any one of the above.
According to a further aspect of the present invention, there is provided a method of thinning a flexible cover plate made of a glass plate, comprising the steps of:
dividing the first area, the second area and the third area on the glass plate, and coating an acid-resistant protective layer on the surface of the first area;
and immersing the glass plate into etching liquid, and etching and thinning the second area and the third area.
Preferably, the method further comprises the following steps:
dividing the thinned region on the second region, and coating an acid-resistant protective layer on the third region and the surface of the second region except the thinned region;
and immersing the glass plate into etching liquid, and etching and thinning the thinning area.
Preferably, the method further comprises the following steps:
and carrying out strengthening treatment on the etched glass plate by adopting an ion exchange method.
The invention has the following beneficial effects:
the thickness of the second area and the third area of the flexible cover plate is smaller than that of the first area, and the surfaces of one sides, far away from the flexible screen, of the first area, the second area and the third area are flush. Reduce the rigidity that thickness reduces flexible apron through the flexible apron that will cover in bending zone and second display area department, improve the bendability of this department, rigidity in order to reach the first district is greater than the rigidity of second district and third district, the bendability in second district and third district is greater than the bendability of first district, make second district and third district bendable, it has certain thickness and keeps having good shock resistance to realize flexible apron under the prerequisite that can buckle.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view showing a spread state of a flexible cover sheet according to the present invention.
Fig. 2 shows a schematic structural view of a folded state of the flexible cover plate of the present invention.
Fig. 3 is a schematic structural view showing a flat state of the flexible cover plate of the present invention.
Fig. 4 shows a schematic structural diagram of the flexible cover plate provided with the thinned region.
Fig. 5 shows a schematic view of the construction of the flexible cover plate according to the invention provided with a coating.
Fig. 6 shows a schematic structural diagram of the flexible cover plate provided with the thinning area and the coating.
Fig. 7 shows a flow chart of the flexible cover plate thinning method of the present invention.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below with reference to preferred embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
For convenience in understanding the flexible cover provided in the embodiments of the present application, an application scenario of the flexible cover is first described, where the flexible cover is applied to a foldable mobile terminal, such as a mobile phone, a tablet computer, and other common mobile terminals. Fig. 1 illustrates a shape of a flexible cover when the mobile terminal is unfolded, and fig. 2 illustrates a shape of the flexible cover when the mobile terminal is folded. First, as shown in fig. 1, when the mobile terminal is unfolded, the flexible cover 10 is unfolded to be substantially U-shaped, as shown in the figure, and the upper, lower and left side surfaces of the mobile terminal form a display screen. As shown in fig. 2, when the mobile terminal is folded, the flexible cover 10 is also folded to form a three-fold structure, and at this time, the upper side and the left side of the mobile terminal form a display screen.
The flexible cover plate 10 provided by the embodiment of the application covers the surface of the flexible screen, is used for protecting the flexible screen and improves the touch feeling, wherein the flexible screen can adopt an integral flexible display screen, and can also adopt a display screen formed by splicing a rigid screen and the flexible display screen. The flexible display screen in this embodiment, in which the flexible screen is a whole, includes a first display area 21, a second display area 22, and a bending area 23 connecting the first display area 21 and the second display area 22, where the second display area 22 is provided as a foldable area. When the mobile terminal is unfolded as shown in the figure, the first display area 21, the second display area 22 and the bending area 23 form a generally U-shaped display screen, i.e. the bending area 23 is a static bending area and only needs to be bent during product production, and only the second display area 22 is folded during use, and the relative positions of the first display area 21 and the bending area 23 are kept unchanged.
As shown in fig. 3, the flexible cover 10 is used to cover the flexible screen, including a first region 11 for covering the first display region 21, a second region 12 for covering the second display region 22, and a third region 13 for covering the bending region 23, in order to facilitate understanding of unfolding the flexible cover 10 into a plane. In order to protect the flexible screen, the flexible cover 10 needs to have a certain strength, and meanwhile, since the third region 13 and the second region 12 need to be bent, the flexible cover 10 at this position also needs to have a certain bendability, and in order to achieve that the flexible cover 10 meets the requirements of strength and bendability at the same time, the thickness of the second region 12 and the third region 13 of the flexible cover 10 provided in the embodiment of the present application is smaller than that of the first region 11, and the first region 11, the second region 12 and the third region 13 are flush with a side surface away from the flexible screen. Namely, the rigidity of the flexible cover plate is reduced by reducing the thickness of the flexible cover plate covering the bending area 23 and the second display area 22, the flexibility of the flexible cover plate is improved, so that the rigidity of the first area 11 is greater than the rigidity of the second area 12 and the third area 13, the flexibility of the second area 12 and the third area 13 is greater than the flexibility of the first area 11, the second area 12 and the third area 13 can be bent, and the flexible cover plate 10 has a certain thickness on the premise of being capable of being bent, so that good impact resistance is kept.
The flexible cover sheet 10 provided in this example may be made of a selected glass, and the main structure of a conventional aluminosilicate glass is a silicate framework, so that when the rigid structure is bent, the maximum bending normal stress on the cross section acts on the point farthest from the neutral axis, and the fracture generally starts from the vicinity of the point. However, when the glass is thin to some extent (<0.1mm), the upper and lower surfaces are sufficiently close to the layer of the neutral axis, and the point of the entire curvature furthest from the neutral axis is not subjected to a normal stress sufficient to cause fracture of the silicate framework and permanent deformation, the glass can exhibit a characteristic of repeated bending in a macroscopic view.
During the actual manufacturing process of the glass, a plurality of micro cracks are inevitably formed on the surface and in the glass, and the micro cracks can further expand when external force is applied, so that the bending resistance and the falling and impact resistance of the ultrathin glass are reduced. The main method for solving the microcracks is to immerse the glass containing small-radius alkali metal ions (generally sodium ions) after melt forming into molten salt containing large-radius alkali metal ions (such as potassium ions) at a certain temperature by an ion exchange method, and to form a surface pressure stress layer by 'squeezing' the large ions into the surface layer of the glass through ion diffusion, so as to eliminate or inhibit the expansion of the microcracks and obviously improve the bending resistance and the mechanical strength of the glass.
Since the ion-exchange-treated glass has a Compressive Stress (CS) formed on its surface, this compressive stress can counteract the tensile stress that the glass is subjected to on the outside in the bent state. When the tensile stress of the outer side of the glass is smaller than CS during bending, the glass can be bent and cannot be broken. After the cover glass is treated by the ion exchange method, the CS value of the surface of the cover glass is generally between 700 and 1000 MPa. If the bending radius R5mm is assumed to be 70GPa and the glass modulus is 70GPa, the outer tensile stress after bending of a glass having a thickness of 100 μm is 700MPa and smaller than the CS value of the glass, and therefore, in the case where defects such as microcracks are not present, the glass having a modulus of 70GPa and a thickness of less than 100 μm can be folded in two at the bending radius R5mm without breaking after being strengthened by an ion exchange method. Therefore, the thickness of the first region of the flexible cover 10 is preferably 0.5mm and the thickness of the second region is preferably in the range of 0.08mm to 0.1mm, so as to meet the requirement of protection of the flexible screen, and the second display region 22 of the flexible screen can be folded.
It will be appreciated that the thinner the thickness of the flexible cover sheet 10, the higher its bendability, i.e. the smaller the bending radius. As shown in fig. 4, in the present embodiment, the second display region 22 of the flexible screen includes a third display region 221, a fourth display region 222 and a bendable region 223 connecting the third display region 221 and the fourth display region 222, and the second region 12 of the flexible cover covering the second display region 22 is provided with a thinned region 121 corresponding to the bendable region 223, so that when the second display region 22 is folded and bent at the bendable region 223, the thickness of the flexible cover at the bendable region 223 is thinner, which improves the bendability of the second display region 22, and further the flexible cover 10 not only ensures the protection of the flexible screen, but also improves the bendability of the flexible screen.
When the thinning region 121 is specifically formed, the thickness of the flexible cover plate at the bendable region 223 can be directly thinned to form a groove structure, the groove structure extends along the bending axial direction, and the thickness of the bottom wall of the groove structure can be selected according to the thickness of the second region 12. Preferably, the thickness of the bottom wall of the groove structure is half of the thickness of the second region 12, and the cross section of the groove structure is configured as a trapezoid or a circular arc.
Since the thickness of the thinned region 121 is smaller than the thickness of the flexible cover 10 at the third display region 221 and the fourth display region 222, and the thinned region 121 has higher flexibility, the thickness of the flexible cover 10 at the third display region 221 and the fourth display region 222 can be selected to be larger, for example, 0.1mm, and the thickness of the bottom wall of the thinned region 121 is 0.05mm, or the thickness of the flexible cover 10 at the third display region 221 and the fourth display region 222 is 0.08mm, and the thickness of the bottom wall of the thinned region 121 is 0.06 mm. Therefore, the folding and bending area of the second area 12, namely the thinning area 121, has good bendability, and the impact resistance of other areas is greatly improved.
In actual production, carry out the attenuate once to flexible apron 10 and can form second district 12 and third district 13, can form attenuate region 121 after carrying out the secondary attenuate to second district 12, this two attenuate can adopt chemical etching technology to realize, and for the homonymy direction attenuate, the sculpture degree of difficulty is low, and groove structure's opening part design is trapezoidal or convex, and the technology is comparatively simple, can guarantee higher yield when the secondary attenuate.
As shown in fig. 2 and 3, the thickness of the third area 13 is the same as that of the second area 12, and the thickness of the first area 11 is greater than that of the third area 13 and that of the second area 12, so that a differential structure is formed at a position adjacent to the first area 11 and the third area 13, and when the flexible cover plate 10 is covered on the surface of the flexible screen, the differential structure is located in the bending area 23, that is, at the static bending area 23, a gap is formed between the flexible cover plate 10 and the flexible screen, and the gap can be filled with Optical Clear Adhesive (OCA) glue or optical liquid clear adhesive (OCR) glue with strong cohesive force, preferably with OCR glue with good fluidity, and filled with OCR glue by using a glue dispensing or glue injecting process, so as to ensure that no gap exists between the flexible cover plate 10 and the flexible screen, and the flexible screen is not pressed, thereby achieving a good display effect.
In some embodiments, the thickness of the third region 13 gradually decreases from the thickness of the first region 11 to the thickness of the second region 12, that is, the thickness between the first region 11 and the second region 12 becomes continuously smaller and thinner, and in actual production, the layer-by-layer thinning process may be adopted. When the flexible cover plate 10 with the structure is attached to the flexible screen, the gap between the flexible cover plate and the flexible screen can be reduced, and the third area 13 can be ensured to have certain flexibility.
As shown in fig. 4, in some embodiments, a side surface 131 of the third region 13 close to the flexible screen is configured to be an inward concave arc shape corresponding to the bending region 23, and the inward concave arc-shaped third region 13 can completely fit with the bending region 23 of the flexible screen, so as to avoid forming a gap, and further improve the bending performance of the third region 13. The concave arc-shaped slope structure can enable the third region 13 in the transition region to be more convenient to attach and not easy to glue, and good impact resistance is kept due to certain glass thickness. Meanwhile, the light emitting efficiency of side face display is not affected by static bending of the integrated glass, display can be performed under a large visual angle, no splicing seam exists, and adverse effects on watching cannot be caused.
As shown in fig. 5, in some embodiments, a first coating layer 30 of optically transparent organic material is coated on a side surface of the second region 12 close to the flexible screen, and the first coating layer 30 is made of a material having a refractive index similar to that of the flexible cover plate 10, so as to avoid the problem of affecting the visual effect. Since the second region 12 is not provided with a thinned region, in order to ensure the bending performance of the second region 12, the thickness of the second region 12 is set to a small value, for example, the thickness of the second region 12 is 0.08mm, although the structure can ensure good bending performance, the impact resistance is affected to a certain extent, and therefore, the surface of the second region 12 is coated with the first coating 30 to enhance the impact resistance of the second region 12. Preferably, the thickness of the first coating layer 30 is set to 0.04mm so as to satisfy the impact resistance of the second region 12.
The third region 13 of flexible apron 10 is close to the second coating 31 of the transparent organic matter of one side surface coating of flexible screen, and the second coating 31 is the same with the material of first coating 30, and the second coating 31 sets up the indent arc that corresponds with bending zone 23, and this indent arc's second coating 31 can laminate completely with the bending zone 23 of flexible screen, avoids forming the clearance.
As shown in fig. 6, in some embodiments, a first coating layer 30 of optically transparent organic material is coated on a side surface of the second region 12 close to the flexible screen, and the first coating layer 30 is made of a material having a refractive index similar to that of the flexible cover plate 10, so as to avoid the problem of affecting the visual effect. Second district 12 is equipped with attenuate region 121, and behind first coating 30 coating second district 12, it forms thickening region 32 to locate at attenuate region 121 to make the surface of first coating 30 flush, and the attenuate region 121 is filled with first coating 30 promptly, can strengthen the mechanical properties of flexible folding part attenuate region 121 on the basis that does not influence light-emitting efficiency like this, the risk of peeling off when reducing with OCA filling groove structure
The embodiment of the present application further provides a flexible display device, which includes a flexible screen and the flexible cover 10 described in any one of the above, where the flexible screen includes a first display area 11, a second display area 12, and a bending area 23 connecting the first display area 21 and the second display area 22, where the second display area 22 is provided as a foldable area, and the flexible cover 10 includes a first area 11 covering the first display area 21, a second area 12 covering the second display area 22, and a third area 13 covering the bending area 23. Wherein the thickness of the second and third regions 12, 13 is less than the thickness of the first region 11, and the side surfaces of the first, second and third regions 11, 12, 13 facing away from the flexible screen are flush. Namely, the rigidity of the flexible cover plate is reduced by reducing the thickness of the flexible cover plate covering the bending area 23 and the second display area 22, the flexibility of the flexible cover plate is improved, so that the rigidity of the first area 11 is greater than the rigidity of the second area 12 and the third area 13, the flexibility of the second area 12 and the third area 13 is greater than the flexibility of the first area 11, the second area 12 and the third area 13 can be bent, and the flexible cover plate 10 has a certain thickness on the premise of being capable of being bent, so that good impact resistance is kept.
As shown in fig. 7, an embodiment of the present application further provides a method for thinning a flexible cover plate, where the flexible cover plate is made of a glass plate, and the method includes the following steps:
and S01, dividing the first zone 11, the second zone 12 and the third zone 13 on the glass plate, and coating an acid-resistant protective layer on the surface of the first zone 11.
The flexible cover 10 covers the surface of the flexible screen to protect the flexible screen and improve the touch feeling, wherein the flexible screen may be an integrated flexible display screen including a first display area 21, a second display area 22, and a bending area 23 connecting the first display area 21 and the second display area 22, wherein the second display area 22 is a foldable area. The first area 11, the second area 12 and the third area 13 on the flexible cover plate respectively cover the first display area 21, the second display area 22 and the bending area 23 of the flexible screen.
And S02, immersing the glass plate into etching liquid, and etching and thinning the second region 12 and the third region 13.
The etching solution is composed of hydrofluoric acid and a small amount of NH4F, the acid-resistant protective layer is a protective paint or paraffin coating, the glass surface without the acid-resistant protective layer reacts with the etching solution, the generated fluoride is dissolved in the etching solution or deposited on the glass surface, and after washing, the etching and thinning of the glass are completed, so that the thickness of the second area 12 and the third area 13 is smaller than that of the first area 11, and the second area 12 and the third area 13 can be bent.
Further, the method for thinning the flexible cover plate of the embodiment further comprises the following steps:
s03, dividing the thinning region 121 on the second region 12, and coating an acid-resistant protective layer on the third region 13 and the surface of the second region 12 except the thinning region 121;
and S04, immersing the glass plate into etching liquid, and etching and thinning the thinned area 121.
Therefore, the folding and bending area of the second area 12, namely the thinning area 121, has good bendability, and the impact resistance of other areas is greatly improved.
Further, the method for thinning the flexible cover plate of the embodiment further comprises the following steps:
and S05, strengthening the etched glass plate by adopting an ion exchange method.
The glass treated by the ion exchange method can form a compressive stress layer on the surface thereof, and the compressive stress can offset the tensile stress applied to the outer side of the glass in a bending state, so that the glass plate is strengthened, is not easy to break when bent, and the bendability of the glass plate is further improved.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.
Claims (14)
1. The utility model provides a flexible apron for cover flexible screen, flexible screen includes first display area, second display area and connects the bending zone of first display area and second display area, its characterized in that, the second display area sets up to the region of can buckling, flexible apron is including being used for covering the first region of first display area, being used for covering the second region of second display area and covering the third region of bending zone, wherein, the thickness of second region and third region is less than the thickness of first region, second region and third region are kept away from a side surface of flexible screen flushes.
2. The flexible cover plate according to claim 1, wherein the second display region comprises a third display region, a fourth display region and a bendable region connecting the third display region and the fourth display region, and a thinning region is disposed at a position of the second region of the flexible cover plate corresponding to the bendable region.
3. The flexible cover sheet of claim 2, wherein the thinned region is provided as a groove structure, and the thickness of the bottom wall of the groove is half of the thickness of the second region.
4. The flexible cover sheet of claim 3, wherein the grooves are trapezoidal or circular in cross-section.
5. The flexible cover plate according to claim 1 or 2, wherein the surfaces of the second and third regions on the side close to the flexible screen are coated with an optically transparent organic coating, and the optically transparent organic coating of the third region is configured as an inward concave arc corresponding to the bending region.
6. The flexible cover sheet of claim 5, wherein the optically transparent organic coating of the second zone has a thickness of 0.04 mm.
7. The flexible cover sheet of claim 1, wherein the thickness of the third region of the flexible cover sheet is gradually reduced from the thickness of the first region to the thickness of the second region.
8. The flexible cover sheet of claim 7, wherein a side surface of the third region adjacent to the flexible screen is configured as an inwardly concave arc corresponding to the bending region.
9. The flexible cover sheet of claim 1, wherein the first region of the flexible cover sheet has a thickness of 0.5 mm.
10. The flexible cover of claim 9, wherein the second region of the flexible cover has a thickness in the range of 0.08mm to 0.1 mm.
11. A flexible display device comprising a flexible screen and a flexible cover sheet according to any one of claims 1 to 10.
12. A method for thinning a flexible cover plate is characterized in that the flexible cover plate is made of a glass plate and comprises the following steps:
dividing the first area, the second area and the third area on the glass plate, and coating an acid-resistant protective layer on the surface of the first area;
and immersing the glass plate into etching liquid, and etching and thinning the second area and the third area.
13. The method for thinning a flexible cover plate according to claim 12, further comprising the steps of:
dividing the thinned region on the second region, and coating an acid-resistant protective layer on the third region and the surface of the second region except the thinned region;
and immersing the glass plate into etching liquid, and etching and thinning the thinning area.
14. The method for thinning a flexible cover plate according to claim 13, further comprising the steps of:
and carrying out strengthening treatment on the etched glass plate by adopting an ion exchange method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110849909.4A CN113393774A (en) | 2021-07-27 | 2021-07-27 | Flexible cover plate and flexible display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110849909.4A CN113393774A (en) | 2021-07-27 | 2021-07-27 | Flexible cover plate and flexible display device |
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| CN113393774A true CN113393774A (en) | 2021-09-14 |
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| CN202110849909.4A Pending CN113393774A (en) | 2021-07-27 | 2021-07-27 | Flexible cover plate and flexible display device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113990180A (en) * | 2021-11-08 | 2022-01-28 | 京东方科技集团股份有限公司 | Flexible cover plate, preparation method thereof and display panel |
| CN114545690A (en) * | 2022-03-30 | 2022-05-27 | Tcl华星光电技术有限公司 | Liquid crystal display panel and display device |
| CN115107323A (en) * | 2022-06-15 | 2022-09-27 | 武汉华星光电半导体显示技术有限公司 | Ultrathin glass layer, preparation method thereof, ultrathin flexible cover plate and display device |
| CN115550483A (en) * | 2022-03-14 | 2022-12-30 | 荣耀终端有限公司 | Folding terminal |
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2021
- 2021-07-27 CN CN202110849909.4A patent/CN113393774A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113990180A (en) * | 2021-11-08 | 2022-01-28 | 京东方科技集团股份有限公司 | Flexible cover plate, preparation method thereof and display panel |
| CN113990180B (en) * | 2021-11-08 | 2023-12-01 | 京东方科技集团股份有限公司 | Flexible cover plate, manufacturing method thereof and display panel |
| CN115550483A (en) * | 2022-03-14 | 2022-12-30 | 荣耀终端有限公司 | Folding terminal |
| CN115550483B (en) * | 2022-03-14 | 2023-10-10 | 荣耀终端有限公司 | Folding terminal |
| CN114545690A (en) * | 2022-03-30 | 2022-05-27 | Tcl华星光电技术有限公司 | Liquid crystal display panel and display device |
| CN115107323A (en) * | 2022-06-15 | 2022-09-27 | 武汉华星光电半导体显示技术有限公司 | Ultrathin glass layer, preparation method thereof, ultrathin flexible cover plate and display device |
| CN115107323B (en) * | 2022-06-15 | 2024-04-12 | 武汉华星光电半导体显示技术有限公司 | Ultrathin glass layer, preparation method thereof, ultrathin flexible cover plate and display device |
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