CN112420783B - Display panel and electronic device - Google Patents
Display panel and electronic device Download PDFInfo
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- CN112420783B CN112420783B CN202011217503.6A CN202011217503A CN112420783B CN 112420783 B CN112420783 B CN 112420783B CN 202011217503 A CN202011217503 A CN 202011217503A CN 112420783 B CN112420783 B CN 112420783B
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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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/122—Pixel-defining structures or layers, e.g. banks
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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
- H10K59/50—OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements
Abstract
The invention discloses a display panel and electronic equipment, wherein the display panel comprises a limiting part, a first angle and a second angle, the first angle is close to one side of a plane display area, the second angle is far away from one side of the plane display area, and the first angle and the second angle are arranged oppositely; the angle range of a second included angle of the limiting part at least positioned on the first side of the first sub-pixel is smaller than the preset angle range; and/or the angle range of a first included angle of the limiting part at least positioned at the second side of the first sub-pixel is larger than the preset angle range, the first side is the side close to the plane display area, and the second side is the side far away from the plane display area. The display panel and the electronic equipment can avoid the deviation of brightness and chromaticity between the flat display area and the curved display area and improve the display effect.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display panel and electronic equipment.
Background
A Curved Screen (Curved Screen) refers to a type of display Screen in which a display Screen can be bent, and most of electronic devices on the market currently adopt a Curved Screen with a double-side bend. With the technical progress, the screen with the curved surfaces at the four sides is produced, and the display area can be maximized.
At present, a top-emission organic light emitting diode display panel is generally adopted as a display panel applied to a curved screen, light is concentrated in the vertical direction of the panel, as shown in fig. 1, most of the light emitted by the display panel 100 can smoothly reach human eyes in a flat display area 101, but the light emitting direction of the display panel 100 is concentrated in the upper right direction perpendicular to the panel in a curved display area 102, and the light capable of reaching the human eyes is limited; in addition, the light emitted from the curved display area 102 toward the human eyes is easily blocked by the limiting layer 11, so that the transmittance of the light is low, and the display effect is reduced due to the deviation of the brightness and the chromaticity between the flat display area 101 and the curved display area 102.
Disclosure of Invention
The invention provides a display panel and an electronic device, which can avoid the deviation of brightness and chromaticity between a flat display area and a bent display area and improve the display effect.
The invention provides a display panel, the display panel includes the flat display area and crooked display area, the crooked display area is located one side of the said flat display area at least, the said crooked display area includes a plurality of first sub-pixel, the said display panel includes:
a substrate;
a definition layer including at least two pixel definition parts arranged at intervals and a plurality of definition groups corresponding to the first sub-pixels, wherein the pixel definition parts are positioned in the plane display area, and the definition groups are positioned in the curved display area; the pixel defining part is provided with a preset included angle, and the angle of the preset included angle is within a preset angle range;
the limiting group comprises two limiting parts which are arranged at intervals, each limiting part comprises a first included angle and a second included angle, the first included angle is close to one side of the plane display area, the second included angle is far away from one side of the plane display area, and the first included angle and the second included angle are arranged oppositely; the angle range of a second included angle of the limiting part at least positioned on the first side of the first sub-pixel is smaller than the preset angle range; and/or the angle range of a first included angle of the limiting part at least positioned at the second side of the first sub-pixel is larger than the preset angle range, the first side is the side close to the plane display area, and the second side is the side far away from the plane display area.
The invention also provides electronic equipment which comprises the display panel.
The display panel and the electronic equipment comprise a limiting part, wherein the limiting part comprises a first included angle and a second included angle, the first included angle is close to one side of a plane display area, the second included angle is far away from one side of the plane display area, and the first included angle and the second included angle are arranged oppositely; the angle range of a second included angle of the limiting part at least positioned on the first side of the first sub-pixel is smaller than a preset angle range; and/or the angle range of a first included angle of the limiting part at least positioned at the second side of the first sub-pixel is larger than a preset angle range, the first side is close to the plane display area, and the second side is far away from the plane display area; therefore, the light rays are shielded by the limiting part, so that the loss of the light rays in the process of transmitting the light rays to human eyes is reduced; or the light emitting direction can be adjusted, so that as much light as possible is emitted to human eyes, the brightness and chromaticity difference between the curved display area and the planar display area is reduced, and the display effect is improved.
Drawings
Fig. 1 is a schematic cross-sectional view of a conventional display panel.
Fig. 2 is a top view of a display panel according to an embodiment of the invention.
Fig. 3 is a schematic cross-sectional view of a portion of the film layer along the direction AA' of the display panel shown in fig. 2.
Fig. 4 is a schematic cross-sectional view of a curved display area of a display panel according to an embodiment of the invention.
Fig. 5 is another schematic cross-sectional view of a curved display area of a display panel according to an embodiment of the invention.
Fig. 6 is a schematic cross-sectional view of a curved display area of a display panel according to an embodiment of the invention.
Fig. 7 is a schematic cross-sectional view of a curved display area of a display panel according to another embodiment of the invention.
Fig. 8 is a schematic cross-sectional view of a curved display area of a display panel according to another embodiment of the invention.
Fig. 9 is a schematic cross-sectional view of a curved display area of a display panel according to still another embodiment of the invention.
Fig. 10 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", etc. refer to directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention. In the drawings, elements having similar structures are denoted by the same reference numerals.
The terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
Referring to fig. 2 to 5, fig. 2 is a top view of a display panel according to an embodiment of the invention.
As shown in fig. 2, the display panel 100 of the present embodiment includes a flat display area 101 and a curved display area 102, and in one embodiment, the curved display area 102 may be disposed on the left side, the right side, the upper side, and the lower side of the flat display area 101. In another embodiment, the curved display area 102 may be disposed on at least one of a left side, a right side, an upper side or a lower side of the flat display area 101, that is, the curved display area 102 is disposed on at least one side of the flat display area 101.
Referring to fig. 3, the display panel 100 includes a base 10 and a definition layer 20, and referring to fig. 5, the base 10 includes a substrate base 12 and a switch array layer. Substrate 12 may be a flexible substrate. The material of the base substrate 12 may be one or more of polyimide or polyurethane. The switch array layer comprises at least one transistor T1; in one embodiment, the switch array layer may include a semiconductor layer 15, a gate insulating layer 16, a gate electrode 17, a first insulating layer (not shown), a metal portion 18, a second insulating layer (not shown), a second metal layer 19, a third insulating layer, and a planarization layer 19'. The second metal layer 19 includes a source and a drain. The material of the semiconductor layer 15 includes at least one of IGZO, IGZTO, and ITZO. The material of the gate insulating layer 16 may include SiO 2 SiNx and Al 2 O 3 One or more of (a). The materials of the first insulating layer, the second insulating layer, and the planarization layer 19' may be the same as the material of the gate insulating layer 16. The materials of the gate electrode 17, the metal part 18, and the second metal layer 19 may each include at least one of copper, molybdenum, titanium, and aluminum. Wherein the position of the metal part 18 corresponds to the position of the gate 17, the substrate 10 may further include a buffer layer 13 and a barrier layer 14, the material of the buffer layer 13 includes at least one of polyurethane, polyimide, poly (terephthalic acid) plastic, polyethylene naphthalate, SU8 photoresist, and PI photoresist. The material of the barrier layer 14 may be silicon oxide.
Of course, it will be understood thatThe structure of the array layer is not limited thereto. The material of the confinement layer 20 may comprise SiO 2 SiN, SiON and photosensitive resin.
Returning to fig. 3, the limiting layer 20 located in the planar display area 101 includes at least two pixel defining parts 21 arranged at intervals, the pixel defining parts 21 have a preset included angle α, and the angle of the preset included angle α is within a preset angle range; in one embodiment, the predetermined angle may range from 25 ° to 40 °. That is, the predetermined angle range is equal to the range of the predetermined included angle α of the pixel defining part 21.
Referring to fig. 4, the curved display region 102 includes a plurality of first sub-pixels (not shown in the figure), the definition layer 20 located in the curved display region 102 includes a plurality of definition groups 201 corresponding to the first sub-pixels, the definition groups 201 include two definition portions 22 arranged at intervals, the definition portions 22 include a first included angle Q1 and a second included angle Q2, the first included angle Q1 is close to the flat display region 101 side, the second included angle Q2 is far from the flat display region 101 side, and the first included angle Q1 is opposite to the second included angle Q2. Wherein the angle range of the second included angle Q2 of each limiting portion 22 is smaller than the preset angle range; and/or the angular range of the first included angle Q1 of each of the defining parts 22 is larger than the preset angular range. In a preferred embodiment, the first included angle Q1 is in a range of 40 ° to 90 °, and the second included angle Q2 is in a range of 5 ° to 25 °.
It is understood that the first included angles Q1 of the limiting portions 22 in the same limiting group 201 may be equal or different, and the second included angles Q2 of the limiting portions 22 in the same limiting group 201 may be equal or different, without limitation.
The angle range of the second included angle Q2 of each limiting part 22 is smaller than the preset angle range; the slope of the side, far away from the plane display area, of the single limiting part is reduced, so that the shielding of the limiting part on light rays is reduced, and the loss of the light rays in the process of being transmitted to human eyes is reduced; the transmittance of light rays of the curved display area is improved, so that the brightness and chromaticity difference between the curved display area and the plane display area is reduced, and the display effect is improved. In addition, because the angle range of the first included angle Q1 of each limiting part 22 is larger than the preset angle range, namely the slope of the side close to the plane display area in a single limiting part is increased, the light emitting direction can be adjusted, so that as much light as possible is emitted to human eyes, and the difference between the brightness and the chromaticity of the curved display area and the plane display area is reduced.
In one embodiment, the thickness of the limiting layer 20 is in a range of 1um to 3um in order to further improve the transmittance. Of course, the thickness of the definition layer 20 is not limited thereto.
In one embodiment, as shown in fig. 4, the curved display area 102 may further include: a first electrode 30, a light emitting layer 40, a second electrode 50, and an encapsulation layer 60. Wherein the first sub-pixel comprises a first electrode 30, a light-emitting layer 40 and a second electrode 50. The first sub-pixel is arranged between the limiting portion 22 at the first side and the limiting portion 22 at the second side of the first sub-pixel, i.e. the first sub-pixel is arranged at the gap between two adjacent limiting portions 22.
In one embodiment, as shown in fig. 4, the first electrode 30 is disposed in the gap region between two adjacent defining portions 22, and the first electrode 30 is further disposed on a portion of the first sidewall 23 of the defining portion 22 located at the second side of the first sub-pixel; the first sidewall 23 is adjacent to the first electrode 30. For example, the first electrode 30 is also provided on the left side wall of the defining portion 22 on the right side of the first electrode 30. In a preferred embodiment, as shown in fig. 5, the limiting layer 20 is disposed in the same layer and of the same material as the planar layer 19' in the substrate 10 in order to reduce production costs.
In another embodiment, in order to further increase the light emitting area, as shown in fig. 6, the first electrode 30 includes: the first sub-electrode 31 is arranged between the substrate 10 and the limiting layer 20, and the position of the first sub-electrode 31 corresponds to the position of a gap between two adjacent limiting parts 22; the second sub-electrode 32 is disposed on the first sub-electrode 31, and the second sub-electrode 32 is further disposed on a portion of the first sidewall 23 of the defining portion 22 at the second side of the first sub-pixel. In one embodiment, the material of the first sub-electrode 31 may be a metal material or a transparent conductive material. The material of the second sub-electrode 32 may include at least one of ITO, IZO, ZnO, In2O3, IGO, AZO, Ag, Al, Pt, Au, Ir. Of course, the limiting layer 20 in this embodiment may be disposed on the same layer and the same material as the planarization layer 19' in the substrate 10.
With reference to fig. 4 and 6, the second sub-electrode 32 or the first electrode 30 includes a first inclined portion 311, and the first inclined portion 311 is disposed on a portion of the first sidewall 23 of the defining portion 22 at the second side of the first sub-pixel; the height of the first inclined portion 311 is less than the height of the first sidewall 23.
The light emitting layer 40 is disposed on the first electrode 30, the light emitting layer 40 includes a second inclined portion 41, the second inclined portion 41 covers the first inclined portion 311, and a height of the second inclined portion 41 is less than or equal to a height of the first sidewall 23. The material of the light emitting layer 40 may be an organic electroluminescent material or the material of the light emitting layer 40 may be a quantum dot electroluminescent material.
The second electrode 50 and the encapsulation layer 60 are respectively disposed on the light emitting layer 40, and the material of the second electrode 50 may include at least one of Mo, Al, Nd, and ITO. The encapsulation layer 60 may include a first inorganic layer, an organic layer, and a second inorganic layer. In one embodiment, the first electrode 30 is an anode and the second electrode 50 is a cathode.
In an embodiment, as shown in fig. 5, the present embodiment further provides a method for manufacturing a display panel, including:
(1) a definition layer 20 is formed on a substrate 10, and then patterned by a process such as exposure and development to form a plurality of pixel definition portions 21 and definition portions 22.
The angle ranges of the first included angles Q1 of the limiting portion 21 are all larger than the preset angle range, and the angle ranges of the second included angles Q2 of the limiting portion 22 are all smaller than the preset angle range. When the material of the limiting layer 20 is an organic material, the limiting layer can be formed by coating.
(2) A layer of conductive material is deposited at the gap between two adjacent limiting portions 22, and then the conductive material is processed by an etching process to obtain a second sub-electrode 32, wherein the second sub-electrode 32 is required to cover the gap between two limiting portions 22 and a part of the first sidewall 23 of the limiting portion at the second side of the first sub-pixel, and the height of the second sub-electrode 32 on the first sidewall is smaller than that of the first sidewall 23.
(3) A light-emitting layer 40 and a second electrode 50 are sequentially formed on the conductive material, wherein the light-emitting layer 40 covers the second sub-electrode 32.
(4) An encapsulation layer 60 is formed on the second electrode 50, and the encapsulation layer 60 is used for blocking external water vapor, so as to prevent corrosion to the light emitting layer.
Referring to fig. 7, fig. 7 is a schematic cross-sectional view of a curved display area of a display panel according to another embodiment of the invention.
As shown in fig. 7, the display panel of the present embodiment is different from the previous embodiment in that: in this embodiment, the angle of the second included angle Q2 of each of the defining parts in the plurality of defining groups gradually decreases from the side close to the planar display area to the side far from the planar display area; and/or the angle of the first included angle Q1 of each limiting part in a plurality of limiting groups is gradually increased from the side close to the plane display area to the side far from the plane display area.
As shown in fig. 7, the definition layer 20 located in the curved display region 102 includes two definition groups B1, B2, wherein B1 is closer to the flat display region side than B2, wherein the angle of the second included angle Q2 of each of the definition portions 22 in the definition group B2 is smaller than the angle of the second included angle Q2 of each of the definition portions 22 in the definition group B1, such as the second included angle Q2 of each of the definition portions 22 in the definition group B2 is 10 degrees, and the angle of the second included angle Q2 of each of the definition portions 22 in the definition group B1 is 20 degrees. When the number of the defined groups is more than 3, the second included angle of the defined part in each defined group is similar to the first included angle.
And/or the angle of the first included angle Q1 of each of the defining portions 22 in the defining set B2 is greater than the angle of the first included angle Q1 of each of the defining portions 22 in the defining set B1, such as the angle of the first included angle Q1 of each of the defining portions 22 in the defining set B2 is 50 degrees and the angle of the first included angle Q1 of each of the defining portions 22 in the defining set B1 is 45 degrees. When the number of the defined groups is more than 3, the first included angle of the defined part in each defined group is similar to the first included angle.
The angle of the second included angle Q2 of each limiting part in the limiting groups is gradually reduced from the side close to the plane display area to the side far from the plane display area; and/or the angle of the first included angle Q1 of each limiting part in a plurality of limiting groups is gradually increased from the side close to the plane display area to the side far from the plane display area; therefore, the shielding of the limiting part to the light is further reduced, the transmittance of the light of the curved display area is further improved, the brightness and chromaticity difference between the curved display area and the flat display area is further reduced, and the display effect is further improved.
It is understood that the first included angle Q1 of each of the defining sections in each defining group ranges from 40 ° to 90 °, and the second included angle Q2 of each of the defining sections 22 in each defining group ranges from 5 ° to 25 °.
Referring to fig. 8, fig. 8 is a schematic cross-sectional view of a curved display area of a display panel according to another embodiment of the invention.
As shown in fig. 8, the display panel of the present embodiment is different from the first embodiment in that: in this embodiment, the angle range of the second included angle Q2 of the defining part 221 located at the first side of the first sub-pixel is smaller than the preset angle range; and/or the angular range of the first included angle Q1 of the defining part 222 located at the second side of the first sub-pixel is larger than the preset angular range. That is, the limiting portion 221 located at the first side of the first sub-pixel is the limiting portion 221 located at the left side, and the limiting portion 222 located at the second side of the first sub-pixel is the limiting portion 222 located at the right side.
The manufacturing method of the display panel of the present embodiment is similar to that of the previous embodiment, except that the range of the included angle of the limiting portion is different.
In one embodiment, the first electrode 30 of the present embodiment may include a first sub-electrode 31 and a second sub-electrode 32, and it is understood that in other embodiments, the first electrode 30 may also have a single-layer structure.
The angular range of the second included angle Q2 of the defining part 221 located at the first side of the first sub-pixel is smaller than the preset angular range; therefore, the shielding of the limiting part to the light is reduced, and the loss of the light in the process of transmitting the light to human eyes is reduced; the transmittance of light rays of the curved display area is improved, so that the difference between the brightness and the chromaticity of the curved display area and the planar display area is reduced, and the display effect is improved. In addition, since the angle range of the first included angle Q1 of the limiting portion 222 located at the second side of the first sub-pixel is larger than the preset angle range, the light emitting direction can be adjusted to enable as much light as possible to be emitted to human eyes, and therefore, the difference between the brightness and the chromaticity of the curved display area and the planar display area is reduced.
Referring to fig. 9, fig. 9 is a schematic cross-sectional view of a curved display area of a display panel according to still another embodiment of the invention.
As shown in fig. 9, the display panel of the present embodiment is different from the third embodiment in that: in the embodiment, the angle of the second included angle of the limiting part positioned at the first side of the first sub-pixel in the limiting group is gradually reduced from the side close to the plane display area to the side far away from the plane display area; and/or
The angle of the first included angle of the limiting part of the limiting group, which is positioned at the second side of the first sub-pixel, is gradually increased from the side close to the plane display area to the side far away from the plane display area.
As shown in fig. 9, the definition layer 20 located in the curved display region 102 includes two definition groups B1, B2, for example, where B1 is closer to the flat display region side than B2, where an angle of the second included angle Q2 of the definition portion 221 located at the first side of the first sub-pixel in the definition group B2 is smaller than an angle of the second included angle Q2 of the definition portion 221 located at the first side of the first sub-pixel in the definition group B1, such as an angle of the second included angle Q2 of the definition portion 221 located at the first side of the first sub-pixel in the definition group B2 is 10 degrees, and an angle of the second included angle Q2 of the definition portion 221 located at the first side of the first sub-pixel in the definition group B1 is 20 degrees. When the number of the defining groups is more than 3, the second included angle Q2 of the defining part 221 positioned at the first side of the first sub-pixel in each defining group is similar to this.
Wherein the first included angle Q1 of the defined portion 222 of the defined group B2 on the second side of the first sub-pixel is greater than the first included angle Q1 of the defined portion 222 of the defined group B1 on the second side of the first sub-pixel, such as the first included angle Q1 of the defined portion 222 of the group B2 on the second side of the first sub-pixel is 50 degrees and the first included angle Q1 of the defined portion 222 of the group B1 on the second side of the first sub-pixel is 45 degrees. When the number of the defined groups is more than 3, the first included angle Q1 of the defined part 222 positioned at the second side of the first sub-pixel in each defined group is similar to the above.
It can be understood that the second included angle Q2 of the defining part 221 located at the first side of the first sub-pixel in each defining group ranges from 5 ° to 25 °. The first included angle Q1 of the defining part 222 positioned at the second side of the first sub-pixel in each defining group is 40-90 deg.
The second included angle of the limiting part positioned on the first side of the first sub-pixel is gradually reduced; the angle of the first included angle of the limiting part positioned on the second side of the first sub-pixel is gradually increased; therefore, the shielding of the limiting part to the light is further reduced, the transmittance of the light of the curved display area is further improved, the brightness and chromaticity difference between the curved display area and the flat display area is further reduced, and the display effect is further improved.
Referring to fig. 10, fig. 10 is a schematic structural diagram of an electronic device provided in the present invention.
The electronic device 200 may include any of the display panels 100, the control circuit 80, and the housing 90. It should be noted that the electronic device 200 shown in fig. 10 is not limited to the above, and may further include other devices, such as a camera, an antenna structure, a fingerprint unlocking module, and the like.
The display panel 100 is disposed on the housing 90.
In some embodiments, the display panel 100 may be fixed to the housing 90, and the display panel 100 and the housing 90 form a closed space to accommodate the control circuit 80 and the like.
In some embodiments, the housing 90 may be made of a flexible material, such as a plastic housing or a silicone housing.
The control circuit 80 is installed in the casing 90, the control circuit 80 may be a motherboard of the electronic device 200, and one, two or more functional components of a battery, an antenna structure, a microphone, a speaker, an earphone interface, a universal serial bus interface, a camera, a distance sensor, an ambient light sensor, a receiver, a processor, and the like may be integrated on the control circuit 80.
The display panel 100 is mounted in the housing 90, and the display panel 100 is electrically connected to the control circuit 80 to form a display surface of the electronic device 200. The display panel 100 may include a display area and a non-display area. The display area may be used to display a screen of the electronic device 200 or provide a user with touch control. The non-display area may be used to set various functional components.
The electronic device includes, but is not limited to, a mobile phone, a tablet computer, a computer monitor, a game machine, a television, a display screen, a wearable device, and other life appliances or household appliances with display functions.
The display panel and the electronic equipment comprise a limiting part, a first display area and a second display area, wherein the limiting part comprises a first included angle and a second included angle, the first included angle is close to one side of the plane display area, the second included angle is far away from one side of the plane display area, and the first included angle and the second included angle are arranged oppositely; the angle range of a second included angle of the limiting part at least positioned on the first side of the first sub-pixel is smaller than a preset angle range; and/or the angle range of a first included angle of the limiting part at least positioned at the second side of the first sub-pixel is larger than a preset angle range, the first side is the side close to the plane display area, and the second side is the side far away from the plane display area; therefore, the light rays are shielded by the limiting part, so that the loss of the light rays in the process of transmitting the light rays to human eyes is reduced; or the light emitting direction can be adjusted, so that as much light as possible is emitted to human eyes, the brightness and chromaticity difference between the curved display area and the planar display area is reduced, and the display effect is improved.
The display panel and the electronic device provided by the invention are described in detail, and the principle and the embodiment of the invention are explained by applying specific examples, and the description of the above embodiments is only used to help understanding the invention. Meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (9)
1. A display panel, wherein the display panel comprises a flat display area and a curved display area, the curved display area is at least disposed on one side of the flat display area, the curved display area comprises a plurality of first sub-pixels, and the display panel comprises:
a substrate;
a definition layer including at least two pixel definition parts arranged at intervals and a plurality of definition groups corresponding to the first sub-pixels, wherein the pixel definition parts are positioned in the plane display area, and the definition groups are positioned in the curved display area; the pixel defining part is provided with a preset included angle, and the angle of the preset included angle is within a preset angle range;
the limiting group comprises two limiting parts arranged at intervals, each limiting part comprises a first included angle and a second included angle, the first included angle is close to a first side, the first side is close to the plane display area, the second included angle is close to a second side, the second side is far away from the plane display area, and the first included angle and the second included angle are arranged oppositely; the angle range of the second included angle of each limiting part is smaller than the preset angle range; and/or the angle range of the first included angle of each limiting part is larger than the preset angle range.
2. The display panel according to claim 1, wherein the angle of the second included angle of the definition part located at the first side of the first sub-pixel in the plurality of definition groups is gradually reduced from being close to the flat display region to being far from the flat display region; and/or
The angle of the first included angle of the limiting part of the plurality of limiting groups, which is positioned at the second side of the first sub-pixel, is gradually increased from the position close to the plane display area to the position far away from the plane display area.
3. The display panel according to claim 1, wherein an angle of the second included angle of each of the defining portions in the plurality of defining sets gradually decreases from a side near the flat display area to a side far from the flat display area; and/or
The angle of the first included angle of each limiting part in the limiting groups is gradually increased from the side close to the plane display area to the side far away from the plane display area.
4. The display panel of claim 1, wherein the first included angle ranges from 40 ° to 90 °, the second included angle ranges from 5 ° to 25 °, and the predetermined angle ranges from 25 ° to 40 °.
5. The display panel of claim 1, wherein the curved display region further comprises:
the first electrode is arranged in a gap area between two adjacent limiting parts and is also arranged on part of a first side wall of the limiting part positioned on the second side of the first sub-pixel; the first sidewall is adjacent to the first electrode.
6. The display panel according to claim 5, wherein the first electrode comprises:
the first sub-electrode is arranged between the substrate and the limiting layer, and the position of the first sub-electrode corresponds to the position of a gap between two adjacent limiting parts;
and the second sub-electrode is arranged on the first sub-electrode and is also arranged on part of the first side wall of the limiting part positioned on the second side of the first sub-pixel.
7. The display panel according to claim 6,
the second sub-electrode or the first electrode comprises a first inclined part which is arranged on a part of the first side wall of the limiting part at the second side of the first sub-pixel;
the height of the first inclined portion is less than the height of the first side wall.
8. The display panel according to claim 7, wherein the curved display region further comprises a light-emitting layer disposed on the first electrode;
the light emitting layer includes a second inclined portion covering the first inclined portion, and a height of the second inclined portion is less than or equal to a height of the first sidewall.
9. An electronic device characterized by comprising the display panel according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011217503.6A CN112420783B (en) | 2020-11-04 | 2020-11-04 | Display panel and electronic device |
Applications Claiming Priority (1)
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