CN111863895A - Foldable display screen - Google Patents
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- CN111863895A CN111863895A CN202010685299.4A CN202010685299A CN111863895A CN 111863895 A CN111863895 A CN 111863895A CN 202010685299 A CN202010685299 A CN 202010685299A CN 111863895 A CN111863895 A CN 111863895A
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- 238000005452 bending Methods 0.000 claims abstract description 20
- 239000010410 layer Substances 0.000 claims description 150
- 239000000758 substrate Substances 0.000 claims description 25
- 239000010409 thin film Substances 0.000 claims description 24
- 238000005538 encapsulation Methods 0.000 claims description 10
- 239000012044 organic layer Substances 0.000 claims description 9
- 238000002834 transmittance Methods 0.000 claims description 9
- 229920001721 polyimide Polymers 0.000 claims description 5
- 239000011368 organic material Substances 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims 8
- 238000010586 diagram Methods 0.000 description 9
- 239000010408 film Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VLDPXPPHXDGHEW-UHFFFAOYSA-N 1-chloro-2-dichlorophosphoryloxybenzene Chemical compound ClC1=CC=CC=C1OP(Cl)(Cl)=O VLDPXPPHXDGHEW-UHFFFAOYSA-N 0.000 description 1
- HLBLWEWZXPIGSM-UHFFFAOYSA-N 4-Aminophenyl ether Chemical compound C1=CC(N)=CC=C1OC1=CC=C(N)C=C1 HLBLWEWZXPIGSM-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
- H10K59/65—OLEDs integrated with inorganic image sensors
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The application discloses a foldable display screen, which comprises a first plane display part and a second plane display part; the bending display part is connected between the first plane display part and the second plane display part; a camera disposed below the second display plane portion; the light-transmitting area is arranged on the first plane display part or/and the second plane display part; the first plane display part and the second plane display part are the same in size, when the first plane display part and the second plane display part are bent and completely folded, the second plane display part and the first plane display part are completely aligned, and the camera is opposite to the light-transmitting area. When the display screen is folded from the unfolded state, stress can be uniformly conducted in the display screen, and the risk of breakage of the display screen is reduced.
Description
Technical Field
The present application relates to the field of display panels, and more particularly, to a foldable display screen.
Background
Since the OLED is light and thin, does not need backlight, and has a flexible characteristic, the OLED has recently become a display mode with the most topic, and especially three stars and hua are successively released as foldable mobile phones in this year, so that people can see that the OLED display screen can realize various different forms.
Samsung GALAXY Fold is an inner folding mobile phone, hua mei X is an outer folding mobile phone, hua mei X has different widths of left and right display screens in a folding state, because a part of space is needed on the right to place a rear camera. The rear camera of the traditional mobile phone is placed on the back of the mobile phone, and the space on the back of the mobile phone cannot be exposed after Mate X is folded, and shooting cannot be performed in the folded state, so that the rear camera is placed on the edge region of the right display screen.
Referring to fig. 1a and 1b, fig. 1a is a schematic structural view of a foldable display screen provided in the prior art when being unfolded, fig. 1b is a schematic structural view of the foldable display screen provided in the prior art when being folded, a foldable display screen 100 includes a first planar display portion 10, a second planar display portion 20 and a bending display portion 30, a width of the first planar display portion 10 is smaller than a width of the second planar display portion 20, and a camera 40 is disposed at an edge position of the second planar display portion 20.
Because the width of two display screens is inconsistent, consequently when outwards folding, the stress that two display screens received is inconsistent, and this will make stress can not evenly conduct in the display screen, has increased the risk that the display screen breaks.
Therefore, there is a need to develop a new foldable display screen to overcome the drawbacks of the prior art.
Disclosure of Invention
An object of the present invention is to provide a foldable display screen, which can solve the problem in the prior art that the widths of two display screens are not consistent, so that the stresses applied to the two display screens when the two display screens are folded outwards are not consistent, and further, the stresses cannot be uniformly conducted in the display screens, thereby increasing the risk of breakage of the display screens.
In order to achieve the above object, the present invention provides a foldable display screen, comprising a first planar display part and a second planar display part; the bending display part is connected between the first plane display part and the second plane display part; a camera disposed below the second display plane portion; the light-transmitting area is arranged on the first plane display part or/and the second plane display part; the first plane display part and the second plane display part are the same in size, when the first plane display part and the second plane display part are bent and completely folded, the second plane display part and the first plane display part are completely aligned, and the camera is opposite to the light-transmitting area. The light-transmitting area has both light-transmitting and displaying functions.
Further, in other embodiments, the display device further includes a substrate layer extending from the first planar display portion to the second planar display portion; the thin film transistor layer is arranged on the substrate layer and distributed on the first plane display part, the bent display part and the second plane display part; the flat layer is arranged on the thin film transistor layer and distributed on the first plane display part, the bent display part and the second plane display part; the pixel definition layer is arranged on the flat layer and distributed on the first plane display part, the bent display part and the second plane display part; and the thin film packaging layer is arranged on the pixel defining layer and distributed on the first plane display part, the bent display part and the second plane display part.
Further, in other embodiments, the display device further includes a polarizer disposed on the film encapsulation layer and distributed on the first planar display portion, the bent display portion and the second planar display portion.
Further, in another embodiment, in the light-transmitting region, first pixels and second pixels which are arranged at intervals are formed on the pixel defining layer, wherein via holes are formed on the pixel defining layer and the flat layer between the first pixels and the second pixels, and a filling layer is filled in the via holes.
Further, in another embodiment, the area of the display screen except for the transparent area is a display area, and the distance between the first pixel and the second pixel in the transparent area is greater than the distance between the pixels in the display area, that is, each pixel area in the transparent area is smaller than each pixel area in the display area.
Further, in other embodiments, the light-transmitting region is located on a side of the first planar display portion away from the second planar display portion.
Further, in other embodiments, the light-transmitting region is located on a side of the second planar display portion away from the first planar display portion.
Further, in other embodiments, the material of the filling layer is an organic material, the light transmittance of the organic material is greater than the light transmittance of the pixel defining layer and the planarization layer, and the light transmittance of the filling layer is greater than 90%.
Further, in other embodiments, the thin film encapsulation layer comprises a first inorganic layer, an organic layer disposed on the first inorganic layer, and a second inorganic layer disposed on the organic layer.
Further, in other embodiments, the filling layer includes a first filling layer disposed on the peripheral wall of the via hole and a second filling layer disposed in the first filling layer, the first filling layer is in the same layer as the first inorganic layer, and the second filling layer is in the same layer as the organic layer. The original film packaging layer is reserved, and the water and oxygen blocking function of the light-transmitting area is guaranteed to the maximum extent.
Further, in other embodiments, the substrate layer is provided with a groove at a position corresponding to the via hole and at a side away from the thin-film transistor layer.
Further, in other embodiments, the thickness of the groove is 20% to 80% of the thickness of the substrate layer, and preferably, the thickness of the groove is 40% of the thickness of the substrate layer. In other embodiments, the thickness of the groove may be determined as needed, and is not limited as long as the thickness of the groove is smaller than the thickness of the substrate layer. The thickness of the downward corresponding substrate layer of via hole is reduced properly, and the light transmittance of the light transmission area can be further improved.
Further, in other embodiments, the cross-sectional shape of the via comprises a rectangular shape.
Further, in another embodiment, in the light-transmitting region, the pixel defining layer has first pixels and second pixels formed thereon and spaced apart from each other, and the pixel defining layer and the flat layer between the first pixels and the second pixels are made of plastic colorless polyimide. This arrangement can avoid perforating the panel.
Further, in other embodiments, the display device further comprises a first plate body mounted on the back of the first flat display portion; a second plate body mounted on the back of the second flat display section; and the flexible bending piece is arranged on the back of the bending display part, and one sides of the first plate body and the second plate body are respectively connected with the flexible bending piece. The first plate body and the second plate body are respectively used for supporting the first plane display part and the second plane display part.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a foldable display screen, which is provided with a first plane display part and a second plane display part which are the same in size, wherein when the first plane display part and the second plane display part are bent and folded completely, the second plane display part and the first plane display part are completely aligned, and a camera is opposite to a light-transmitting area, so that when the display screen is unfolded to be folded, stress can be uniformly transmitted in the display screen, and the risk of breakage of the display screen is reduced.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
FIG. 1a is a schematic view of a foldable display screen provided in the prior art when it is unfolded;
FIG. 1b is a schematic view of a foldable display screen provided in the prior art when folded;
fig. 2 is a schematic structural diagram of a foldable display screen according to embodiment 1 of the present invention when the foldable display screen is unfolded;
fig. 3 is a schematic structural diagram of a foldable display screen provided in embodiment 1 of the present invention when folded;
fig. 4 is a schematic structural diagram of a light-transmitting area of a foldable display screen according to embodiment 1 of the present invention;
Fig. 5 is a schematic structural diagram of a foldable display screen provided in embodiment 2 of the present invention when folded;
fig. 6 is a schematic structural diagram of a foldable display screen provided in embodiment 3 of the present invention when folded.
Description of the figures in the background art:
a foldable display screen-100;
a first plane display part-10; a second flat display section-20;
a bending display part-30; a camera-40;
description of the embodiments in the drawings:
a foldable display screen-100;
a first plane display part-10; a second flat display section-20;
a bending display part-30; a camera-40;
a light-transmitting region-50;
a substrate layer-1; a thin film transistor layer-2;
a planarization layer-3; pixel definition layer-4;
a thin film encapsulation layer-5; a buffer layer-21;
a first gate insulating layer-22; a second gate insulating layer-23;
and a barrier layer-24; a first pixel-11;
a second pixel-12; a via-6;
a filling layer-7; a first inorganic layer-51;
organic layer-52; a second inorganic layer-53;
a first fill layer-71; a second fill layer-72;
Groove-8.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Example 1
Referring to fig. 2 and fig. 3, fig. 2 is a schematic structural diagram of the foldable display screen 100 according to an embodiment of the present invention when the foldable display screen 100 is unfolded, and fig. 3 is a schematic structural diagram of the foldable display screen 100 according to an embodiment of the present invention when the foldable display screen 100 is folded.
The foldable display screen 100 includes a first planar display portion 10, a second planar display portion 20, a bending display portion 30, a camera 40, and a light-transmitting area 50.
The bending display part 30 is connected between the first plane display part 10 and the second plane display part 20, and the camera 40 is arranged below the second display plane part; in the present embodiment, the light-transmissive region 50 is disposed on the first flat display portion 10, and the light-transmissive region 50 is located on a side of the first flat display portion 10 away from the second flat display portion 20.
The first planar display portion 10 and the second planar display portion 20 have the same size, and when the first planar display portion 10 and the second planar display portion 20 are bent and completely folded, the second planar display portion 20 and the first planar display portion 10 are completely aligned, the camera 40 is directly aligned to the light-transmitting area 50, and the light-transmitting area 50 has both light-transmitting and displaying functions.
The foldable display screen 100 further comprises a first panel, a second panel and a flexible bending member. The first plate is mounted on the back of the first flat display unit 10, the second plate is mounted on the back of the second flat display unit 20, the flexible bending member is mounted on the back of the bending display unit 30, and one side of the first plate and one side of the second plate are respectively connected to the flexible bending member. The first and second plate bodies are used to support the first and second flat display parts 10 and 20, respectively.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a light-transmitting area of a foldable display screen provided in this embodiment, which includes a substrate layer 1, a thin film transistor layer 2, a planarization layer 3, a pixel definition layer 4, and a thin film encapsulation layer 5, which are sequentially disposed. The film packaging layer 5 is also provided with a polaroid.
The substrate layer 1 is a PI film layer, namely a polyimide film, which is used as a substrate of the display panel; the polyimide film is a film type insulating material with good performance in the world, has strong tensile strength, and is formed by performing polycondensation and casting on pyromellitic dianhydride and diaminodiphenyl ether in a strong polar solvent to form a film and then performing imidization.
The thin-film transistor layer 2 comprises a buffer layer 21, a first gate insulating layer 22, a second gate insulating layer 23 and a barrier layer 24; the buffer layer 21 is disposed on a surface of the substrate layer 1, the first gate insulating layer 22 is disposed on a surface of the buffer layer 21, the second gate insulating layer 23 is disposed on a surface of the first gate insulating layer 22, and the blocking layer 24 is disposed on a surface of the second gate insulating layer 23. In the present embodiment, the material of the first gate insulating layer 22 and the second gate insulating layer 23 is silicon nitride, and silicon oxide, silicon oxynitride, or the like may be used. The flat layer 3 and the pixel defining layer 4 are made of transparent organic materials, have good elasticity and flexibility, and play roles in flattening and buffering film layer stress.
The pixel defining layer 4 is further formed with a first pixel 11 and a second pixel 12 which are adjacent but spaced from each other, wherein a via hole 6 is formed on the pixel defining layer 4 and the flat layer 3 between the first pixel and the second pixel, and the size of the via hole 6 is smaller than the distance between the first pixel 11 and the second pixel 12.
The regions of the display panel except for the light-transmitting region 50 are display regions, and the distance between the first pixel and the second pixel in the light-transmitting region 50 is larger than the distance between the pixels in the display region, that is, the area of each pixel in the light-transmitting region 50 is smaller than the area of each pixel in the display region.
The via hole 6 penetrates down through the pixel defining layer 4 to the surface of the planarization layer 3, i.e. equivalent to removing the planarization layer 3 and the pixel defining layer 4, the removed portion being filled with the filling layer 7.
The thin film encapsulation layer 5 includes a first inorganic layer 51, an organic layer 52 disposed on the first inorganic layer 51, and a second inorganic layer 53 disposed on the organic layer 52.
The filling layer 7 includes a first filling layer 71 disposed on the peripheral wall of the via hole 6 and a second filling layer 72 disposed within the first filling layer 71, the first filling layer 71 being on the same layer as the first inorganic layer 51, and the second filling layer 72 being on the same layer as the organic layer 52. The setting mode improves the light transmittance to a certain extent, and keeps the original thin film packaging layer, thereby furthest ensuring the water and oxygen blocking function of the 50 regions of the light-transmitting area.
The filling layer 7 is manufactured in an ink-jet printing mode, the through hole 6 is manufactured by laser hole digging, and the section of the through hole 6 is rectangular. The position of the substrate layer corresponding to the via hole 6 and the side far away from the thin film transistor layer 2 are provided with a groove 8, the groove 8 is made by laser cutting, the thickness of the groove is 20% -80% of the thickness of the substrate layer 1, and in this embodiment, the thickness of the groove 8 is 30% of the thickness of the substrate layer 1.
In other embodiments, the thickness of the groove may be determined as needed, and is not limited as long as the thickness of the groove is less than the thickness of the substrate layer. The thickness of the via-hole downward corresponding substrate layer is reduced appropriately, and the light transmittance of the light-transmitting area 50 can be further improved.
In other embodiments, the pixel defining layer 4 and the planarization layer 3 between the first pixel and the second pixel are not provided with the via hole 6, but the pixel defining layer and the planarization layer between the first pixel and the second pixel are made of plastic colorless polyimide. This arrangement can avoid perforating the panel. In this arrangement, a color filter substrate is arranged above the thin film encapsulation layer 5 instead of the polarizer.
Example 2
Referring to fig. 5, fig. 5 is a schematic view illustrating a structure of the foldable display screen provided in this embodiment when folded, the foldable display screen in this embodiment is substantially the same as that in embodiment 1, and the structure of the light-transmitting area is the same as that in embodiment 1, which is not described herein again, but the main difference is that the light-transmitting area 50 is disposed on the second planar display portion 20, and the light-transmitting area 50 is located on a side of the second planar display portion 20 away from the first planar display portion 10.
Example 3
Referring to fig. 6, fig. 6 is a schematic diagram illustrating a structure of the foldable display screen provided in this embodiment when folded, the foldable display screen in this embodiment is substantially the same as that in embodiment 1, and the structure of the light-transmitting region is the same as that in embodiment 1, and the same structure can refer to the above-mentioned manner, which is not repeated herein, but the main difference is that the light-transmitting region 50 is disposed on the first planar display portion 10 and the second planar display portion 20, and the light-transmitting region 50 is located on a side of the first planar display portion 10 away from the second planar display portion 20 and a side of the second planar display portion 20 away from the first planar display portion 10.
The invention has the beneficial effects that: the invention provides a foldable display screen, which is provided with a first plane display part and a second plane display part which are the same in size, wherein when the first plane display part and the second plane display part are bent and folded completely, the second plane display part and the first plane display part are completely aligned, and a camera is opposite to a light-transmitting area, so that when the display screen is unfolded to be folded, stress can be uniformly transmitted in the display screen, and the risk of breakage of the display screen is reduced.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The foldable display screen provided by the embodiment of the present application is described in detail above, and a specific example is applied in the description to explain the principle and the implementation of the present application, and the description of the above embodiment is only used to help understanding the technical solution and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A foldable display screen is characterized by comprising
A first planar display unit and a second planar display unit;
the bending display part is connected between the first plane display part and the second plane display part;
a camera disposed below the second display plane portion;
the light-transmitting area is arranged on the first plane display part or/and the second plane display part;
The first plane display part and the second plane display part are the same in size, when the first plane display part and the second plane display part are bent and completely folded, the second plane display part and the first plane display part are completely aligned, and the camera is opposite to the light-transmitting area.
2. The foldable display screen of claim 1, further comprising
A substrate layer extending from the first planar display portion to the second planar display portion;
the thin film transistor layer is arranged on the substrate layer and distributed on the first plane display part, the bent display part and the second plane display part;
the flat layer is arranged on the thin film transistor layer and distributed on the first plane display part, the bent display part and the second plane display part;
the pixel definition layer is arranged on the flat layer and distributed on the first plane display part, the bent display part and the second plane display part;
a thin film encapsulation layer; and the pixel definition layer is arranged on the pixel definition layer and distributed on the first plane display part, the bent display part and the second plane display part.
3. The foldable display screen of claim 2, wherein in the light-transmissive region, the pixel definition layer is formed with first pixels and second pixels spaced apart from each other, and vias are formed in the pixel definition layer and the flat layer between the first pixels and the second pixels, and the vias are filled with a filling layer.
4. The foldable display screen of claim 3, wherein the filler layer is an organic material having a light transmittance greater than the light transmittance of the pixel defining layer and the planarization layer, and the filler layer has a light transmittance greater than 90%.
5. The foldable display of claim 2, wherein the thin film encapsulation layer comprises a first inorganic layer, an organic layer disposed on the first inorganic layer, and a second inorganic layer disposed on the organic layer.
6. The foldable display of claim 5, wherein the filler layer comprises a first filler layer disposed on a peripheral wall of the via and a second filler layer disposed within the first filler layer, the first filler layer being co-layered with the first inorganic layer, the second filler layer being co-layered with the organic layer.
7. The foldable display screen of claim 2, wherein the substrate layer is provided with a groove at a side away from the thin-film transistor layer corresponding to the position of the via hole.
8. The foldable display screen of claim 7, wherein the thickness of the groove is 20% to 80% of the thickness of the substrate layer.
9. The foldable display screen of claim 2, wherein the pixel definition layer has first and second pixels formed thereon and spaced apart from each other in the light-transmissive region, and wherein the pixel definition layer and the planarization layer between the first and second pixels are made of plastic colorless polyimide.
10. The foldable display screen of claim 1, further comprising
A first plate mounted on a back of the first flat display part;
a second plate body mounted on the back of the second flat display section;
and the flexible bending piece is arranged on the back of the bending display part, and one sides of the first plate body and the second plate body are respectively connected with the flexible bending piece.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010685299.4A CN111863895A (en) | 2020-07-16 | 2020-07-16 | Foldable display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010685299.4A CN111863895A (en) | 2020-07-16 | 2020-07-16 | Foldable display screen |
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| CN111863895A true CN111863895A (en) | 2020-10-30 |
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| CN202010685299.4A Pending CN111863895A (en) | 2020-07-16 | 2020-07-16 | Foldable display screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022170666A1 (en) * | 2021-02-09 | 2022-08-18 | 武汉华星光电半导体显示技术有限公司 | Display panel and display apparatus |
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Application publication date: 20201030 |