CN114122080B - Display panel and mobile terminal - Google Patents
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- CN114122080B CN114122080B CN202111299559.5A CN202111299559A CN114122080B CN 114122080 B CN114122080 B CN 114122080B CN 202111299559 A CN202111299559 A CN 202111299559A CN 114122080 B CN114122080 B CN 114122080B
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
- H01L33/60—Reflective elements
Abstract
The embodiment of the invention discloses a display panel and a mobile terminal; the display panel comprises a function additional area and a main display area positioned at the periphery of the function additional area, the display panel comprises a plurality of first light-emitting devices and an optical function layer which are positioned in the function additional area, the optical function layer comprises a plurality of shading units arranged at intervals, a first function unit positioned on the shading units and a second function layer positioned on the first function unit, the second function layer covers the side wall of the first function unit, and the refractive index of the first function unit is smaller than that of the second function layer; according to the embodiment of the invention, at least part of light of the first light-emitting device is totally reflected on the interface of the second functional layer and the first functional unit, so that the light-emitting efficiency of the function additional area is enhanced, and meanwhile, the shading unit is utilized to shade and scatter the light with a large viewing angle of the first light-emitting device, so that the problem of overhigh lateral viewing angle brightness of the function additional area is relieved, and the integral display effect of the display panel is improved.
Description
Technical Field
The invention relates to the field of display, in particular to a display panel and a mobile terminal.
Background
In recent years, in order to realize real full-screen display, a front camera of the display device generally adopts an under-screen camera technology, and is matched with the under-screen display technology to realize a full-screen, in order to improve the transmittance of the camera corresponding to a screen area, the schemes of reducing the area of luminous pixels, canceling touch metal wiring and the like are adopted, and when the transmittance is improved, the luminance of a single sub-pixel needs to be improved to make up the reduction of the area of the pixel, so that the luminous load of the sub-pixel is increased, the service life of the sub-pixel is shortened, and the lateral visual angle of a display area under the screen has the technical problem of overhigh luminance.
Therefore, a display panel and a mobile terminal are needed to solve the above technical problems.
Disclosure of Invention
The invention provides a display panel and a mobile terminal, which can solve the technical problem that the brightness is too high when the lateral visual angle of a display area under a screen is increased due to the increase of the luminous load of sub-pixels of the display area under the screen.
The invention provides a display panel, comprising a function additional area and a main display area positioned at the periphery of the function additional area, wherein the display panel comprises:
a plurality of first light emitting devices positioned in the function addition region;
the optical functional layer is positioned in the function additional area, is positioned on one side of the light emitting direction of the first light emitting device and comprises a plurality of shading units arranged at intervals, first functional units positioned on the shading units and second functional layers positioned on the first functional units;
the first functional unit corresponds to the shading unit, the second functional layer covers the side wall of the first functional unit, and the refractive index of the first functional unit is smaller than that of the second functional layer.
Further preferably, the first functional unit and the first light emitting device are disposed in a non-overlapping manner in a top view direction of the display panel.
Further preferably, in a top view direction of the display panel, at least two light shielding units are disposed between two adjacent first light emitting devices.
Further preferably, the second functional layer includes a base material and a plurality of nanoparticles dispersed in the base material, and a refractive index of the nanoparticles is greater than a refractive index of the base material.
Further preferably, the second functional layer includes a second functional unit located between two adjacent first functional units, and a surface of the second functional unit, which is away from the first light-emitting device, is an arc surface, and the arc surface protrudes to a side away from the first light-emitting device.
Preferably, the display panel further includes an interlayer insulating layer located between the optical functional layer and the first light emitting device, and a touch line layer located on the interlayer insulating layer, the touch line layer is located in the main display area, and the second functional layer is further extended and disposed in the main display area and covers the touch line layer.
Further preferably, the display panel further includes a flat layer located on the second functional layer, and the flat layer is located in the main display area and the function addition area.
Further preferably, the display panel further includes an encapsulation layer located between the optically functional layer and the first light emitting device; the lateral wall of the first functional unit extends towards one side far away from the corresponding shading unit, and an included angle between the lateral wall of the first functional unit and the packaging layer is an acute angle.
Further preferably, the refractive index of the first functional unit is 1.3 to 1.6, and the refractive index of the second functional layer is 1.5 to 1.9.
The invention also provides a mobile terminal, which comprises the display panel and a terminal main body, wherein the terminal main body and the display panel are combined into a whole.
The invention has the beneficial effects that: according to the invention, the first functional unit and the second functional layer with different refractive indexes are arranged in the function additional area, at least part of light of the first light-emitting device is totally reflected on the interface of the second functional layer and the first functional unit, so that the light-emitting efficiency of the function additional area is enhanced, and meanwhile, the shading unit is utilized to shade and scatter the large-viewing-angle light of the first light-emitting device, so that the technical problem of overhigh lateral viewing-angle brightness of the function additional area is solved, and the integral display effect of the display panel is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic top view of a display panel according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a first structure of a display panel according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of region B of FIG. 1;
FIG. 4 is a schematic diagram of a first structure of a display panel according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a second structure of a display panel according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a third structure of a display panel according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a fourth structure of a display panel according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention. Furthermore, it should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, and are not intended to limit the present invention. In the present invention, unless otherwise specified, the use of directional terms such as "upper" and "lower" generally means upper and lower in the actual use or operation of the device, particularly in the orientation of the figures of the drawings; while "inner" and "outer" are with respect to the outline of the device.
In recent years, in order to realize real full-screen display, a front camera of the display device generally adopts an under-screen camera technology, and is matched with the under-screen display technology to realize a full-screen, in order to improve the transmittance of the camera corresponding to a screen area, the schemes of reducing the area of luminous pixels, canceling touch metal wiring and the like are adopted, and when the transmittance is improved, the luminance of a single sub-pixel needs to be improved to make up the reduction of the area of the pixel, so that the luminous load of the sub-pixel is increased, the service life of the sub-pixel is shortened, and the lateral visual angle of a display area under the screen has the technical problem of overhigh luminance.
Referring to fig. 1 to 7, an embodiment of the invention provides a display panel 100, including a function addition region B and a main display region a located at a periphery of the function addition region B, where the display panel 100 includes:
a plurality of first light emitting devices 310 positioned in the function attachment region B;
an optical function layer 600 located in the function addition region B, wherein the optical function layer 600 is located on one side of the light emitting direction of the first light emitting device 310, and the optical function layer 600 includes a plurality of light shielding units 610 arranged at intervals, a first function unit 620 located on the light shielding units 610, and a second function layer 630 located on the first function unit 620;
one of the first functional units 620 corresponds to one of the light shielding units 610, the second functional layer 630 covers a sidewall of the first functional unit 620, and a refractive index of the first functional unit 620 is smaller than a refractive index of the second functional layer 630.
According to the embodiment of the invention, the first functional unit and the second functional layer with different refractive indexes are arranged in the function additional area, at least part of light of the first light-emitting device is totally reflected on the interface of the second functional layer and the first functional unit, so that the light-emitting efficiency of the function additional area is enhanced, and meanwhile, the shading unit is utilized to shade and scatter the light with a large viewing angle of the first light-emitting device, so that the technical problem that the lateral viewing angle brightness of the function additional area is too high is solved, and the integral display effect of the display panel is improved.
The technical solution of the present invention will now be described with reference to specific embodiments.
In this embodiment, referring to fig. 1 and fig. 2 specifically, the display panel 100 includes a function additional area B and a main display area a located at the periphery of the function additional area B, the display panel 100 includes an array substrate 200 and a light emitting device layer located on the array substrate 200, and the light emitting device layer includes a plurality of second light emitting devices 320 located in the main display area a and a plurality of first light emitting devices 310 located in the function additional area B.
In some embodiments, referring to fig. 1 specifically, the shape and position of the function addition region B are only examples and are not limited to specific ones.
In some embodiments, referring to fig. 2 specifically, the light emitting area of the first light emitting device 310 is smaller than the light emitting area of the second light emitting device 320, so as to improve the light transmittance of the function addition region B, but if the light emitting luminance of the function addition region B is required to be kept the same as the light emitting luminance of the main display region a, the light emitting efficiency or the light emitting luminance of the first light emitting device 310 is required to be improved, which may cause an increase in the light emitting load of the sub-pixel, a decrease in the lifetime of the sub-pixel, and an excessively high luminance at the side view angle of the under-screen display region.
Specifically referring to fig. 2, the display panel 100 further includes an optical function layer 600 located in the function addition region B, the optical function layer 600 is located on one side of the light emitting direction of the first light emitting device 310, and the optical function layer 600 includes a plurality of light shielding units 610 arranged at intervals, first function units 620 located on the light shielding units 610, and second function layers 630 located on the first function units 620; one of the first functional units 620 corresponds to one of the light shielding units 610, the second functional layer 630 covers a sidewall of the first functional unit 620, and a refractive index of the first functional unit 620 is smaller than a refractive index of the second functional layer 630.
In the drawing, a dashed arrow indicates a light path, and on an interface where a sidewall of the first functional unit 620 contacts with the second functional layer 630, because a refractive index of the second functional layer 630 is greater than a refractive index of the first functional unit 620, when at least a portion of light emitted by the first light emitting device 310 passes through the second functional layer 630 and is emitted to the interface, when an incident angle is greater than a critical angle, total reflection may occur on the interface, so that a utilization rate of the light may be improved, and at the same time, for light with a large viewing angle, the light may not reach the critical angle and total reflection may not occur, and when encountering the light shielding unit 610, the light with the large viewing angle may be shielded and diffused by the light shielding unit 610, thereby alleviating a technical problem that a lateral viewing angle brightness of the functional additional region B is too high, and improving an overall display effect of the display panel 100.
In some embodiments, one of the first function units 620 corresponds to one of the light shielding units 610, and the light shielding unit 610 is improperly disposed, which may cause more light scattering of the first light emitting device 310 and a ratio of total reflected light to be reduced.
Specifically referring to fig. 3, in the top view direction of the display panel 100, the first functional unit 620 and the first light emitting device 310 are disposed in a non-overlapping manner.
By disposing the first functional unit 620 not to overlap with the first light emitting device 310, the shielding of the first functional unit 620 and the light shielding unit 610 to the normal light of the first light emitting device 310 can be reduced, and the loss or attenuation of the direct light can be avoided.
In some embodiments, referring to fig. 3 specifically, the size of the light shielding unit 610 is smaller than that of the first light emitting device 310, and the size of the light shielding unit 610 is set smaller, so that light can be uniformly shielded and scattered, light with a large viewing angle can be scattered more uniformly, and the display effect at the side viewing angle is better.
In some embodiments, referring to fig. 3 in particular, in a top view direction of the display panel 100, at least two light shielding units 610 are disposed between two adjacent first light emitting devices 310.
The light with a large viewing angle of the first light emitting device 310 is scattered by the two light shielding units 610, so that the uniformity of the light with a large viewing angle is improved better.
In some embodiments, referring to fig. 3 in particular, in a top view direction of the display panel 100, distances between at least two light shielding units 610 disposed between two adjacent first light emitting devices 310 and a corresponding light emitting device are different.
The light rays of the first light emitting device 310 close to the two corresponding light shielding units 610 may correspond to the slightly distant light shielding units 610, and the light rays of the first light emitting device 310 far from the two corresponding light shielding units 610 may correspond to the slightly distant light shielding units 610, so that the uniformity of the light rays with large viewing angle may be further improved.
In some embodiments, the first functional unit 620 includes, but is not limited to, an epoxy-based and/or acrylic-based organic material, or the first functional unit 620 is an inorganic material of any one or a combination of a silicon oxide compound, a silicon nitride compound, and a silicon oxynitride compound, which is only an example and is not particularly limited herein.
In some embodiments, referring specifically to FIG. 4, the second stepThe two functional layers 630 include a substrate 631 and a plurality of nanoparticles 632 dispersed in the substrate 631, wherein the refractive index of the nanoparticles 632 is greater than the refractive index of the substrate 631. The refractive index of the pure organic or pure inorganic material is not easy to increase, the substrate 631 may be an epoxy and/or acrylic pure organic material, and the nanoparticles 632 may be ZrO 2 Or/and TiO 2 ，ZrO 2 Or/and TiO 2 Is greater than the epoxy-based and/or acrylic-based pure organic materials, thereby increasing the refractive index of the second functional layer 630 as a whole.
The refractive index difference between the second functional layer 630 and the first functional unit 620 is increased, the critical angle is reduced, more light rays can meet the requirement of total reflection, total reflection occurs on the interface where the sidewall of the first functional unit 620 contacts the second functional layer 630, the light extraction efficiency of the functional additional region B is enhanced, and the overall display effect of the display panel 100 is improved.
In some embodiments, referring to fig. 5 in particular, the second functional layer 630 includes a second functional unit 633 located between two adjacent first functional units 620, and a surface of the second functional unit 633 away from the first light emitting device 310 is an arc surface, and the arc surface protrudes to a side away from the first light emitting device 310.
Through setting up second functional unit 633's cambered surface makes second functional unit 633 act as lens, utilizes convex lens spotlight principle, further assembles light, further improves the luminance at positive visual angle, improves light utilization ratio, improves display panel 100's display effect.
In some embodiments, referring to fig. 6 in particular, the display panel 100 further includes an interlayer insulating layer 500 located between the optical function layer 600 and the first light emitting device 310, and a touch line layer 510 located on the interlayer insulating layer 500, wherein the touch line layer 510 is located in the main display area a, and the second function layer 630 is further extended and disposed in the main display area a and covers the touch line layer 510.
Touch-control line layer 510 only sets up in main display area A, can improve the light transmittance in the additional district B of function, second functional layer 630 extends to in the main display area A and covers touch-control line layer 510, and it is right on the one hand touch-control line layer 510 plays the guard action, avoids touch-control line layer 510 damages, and on the other hand the refracting index of second functional layer 630 is great, can further assemble the light in the main display area A, improves main display area A's luminous efficiency.
In some embodiments, referring to fig. 6 specifically, a part of the touch line layer 510 may be located on a side of the interlayer insulating layer 500 away from the first light emitting device 310, and another part of the touch line layer 510 may be located on a side of the interlayer insulating layer 500 close to the first light emitting device 310, and according to self-or mutual-capacitive touch classification, the two parts may be connected through a via hole located on the interlayer insulating layer 500, and may also be correspondingly disposed, or only be disposed in a routing connection manner, which is not limited herein.
In some embodiments, the interlayer insulating layer 500 may be any one or a combination of silicon oxide, silicon nitride, and silicon oxynitride, which are only exemplary and not limited in any way.
In some embodiments, referring to fig. 7 in particular, the display panel 100 further includes a flat layer 700 disposed on the second functional layer 630, and the flat layer 700 is disposed in the main display area a and the function addition area B. The flat layer 700 can protect the touch line layer 510, and meanwhile, when the surface of the second functional layer 630 is an arc surface, the flat layer 700 can flatten the protrusion, thereby ensuring the flatness of the film layer and reducing the dislocation abnormality of the film layer.
In some embodiments, the planarization layer 700 may be an inorganic material or an organic planarization material, the inorganic material may be any one or a combination of silicon oxide, silicon nitride, and silicon oxynitride, and the organic material may be polyimide, which is only an example and is not limited in particular.
In some embodiments, the display panel 100 further comprises an encapsulation layer 400 between the optically functional layer 600 and the first light emitting device 310; the sidewall of the first functional unit 620 extends to a side away from the corresponding light shielding unit 610, and an included angle θ between the sidewall of the first functional unit 620 and the package layer 400 is an acute angle.
The encapsulation layer 400 may protect the first light emitting device 310, the encapsulation layer 400 may extend into the main display area a, and also protect the second light emitting device 320, the sidewall of the first functional unit 620 is outwardly inclined, and herein outwardly inclined, it is understood that the sidewall is extended to a side away from the corresponding light shielding unit 610, and the interface between the first functional unit 620 and the second functional layer 630 may be outwardly inclined, so as to increase the incident angle of the normal line of the first light emitting device 310 and the interface, so that more light rays are totally reflected, the light emitting efficiency of the functional additional area B is enhanced, and the overall display effect of the display panel 100 is improved.
In some embodiments, the refractive index of the first functional unit 620 is 1.3 to 1.6, and the refractive index of the second functional layer 630 is 1.5 to 1.9. Setting the refractive index of the first functional unit 620 and the refractive index of the second functional layer 630 to be within this range can reduce the angle of the critical angle of total reflection, fully reflect more light, and enhance the light extraction efficiency of the functional addition region B, and on the other hand, avoid that the scattering effect of the light with large viewing angle in the functional addition region B is affected by an excessively large refractive index difference between the first functional unit 620 and the second functional layer 630.
In some embodiments, the array substrate 200 includes an active layer on the substrate, a first insulating layer on the active layer, a gate layer on the first insulating layer, a second insulating layer on the gate layer, a source drain layer on the second insulating layer, and a third insulating layer on the source drain layer.
In some embodiments, the light emitting device layer includes an anode layer on the third insulating layer, a light emitting material layer on the anode layer, and a cathode layer on the light emitting material layer, the display panel 100 further includes a pixel defining layer disposed in the same layer as the light emitting material layer, a polarizing layer on the light emitting device layer, and a flexible cover plate on the polarizing layer, the display panel 100 further includes corresponding bonding layers between the polarizing layer and the flexible cover plate, between the light emitting device layer and the polarizing layer, and between the back plate and the substrate, and in fig. 1 to 7, the anode layer, the cathode layer, and the light emitting material layer are represented by light emitting devices.
In some embodiments, the Light Emitting device layer may include an OLED (Organic Light-Emitting semiconductor) material, and may also include a Micro LED or a Mini LED, which is not limited herein.
According to the embodiment of the invention, the first functional unit and the second functional layer with different refractive indexes are arranged in the function additional area, at least part of light of the first light-emitting device is totally reflected on the interface of the second functional layer and the first functional unit, so that the light-emitting efficiency of the function additional area is enhanced, and meanwhile, the shading unit is utilized to shade and scatter the light with a large viewing angle of the first light-emitting device, so that the technical problem that the lateral viewing angle brightness of the function additional area is too high is solved, and the integral display effect of the display panel is improved.
Referring to fig. 8, an embodiment of the present invention further provides a mobile terminal 10, including any one of the display panels 100 and the terminal body 20, where the terminal body 20 and the display panel 100 are combined into a whole.
Please refer to any one of the embodiments of the display panel 100 and fig. 1 to 7, which will not be described herein.
In this embodiment, the terminal main body 20 may include a middle frame, a sealant, and the like, and the mobile terminal 10 may be a mobile display terminal such as a mobile phone and a tablet, which is not limited herein.
In this embodiment, the mobile terminal 10 further includes an optical device disposed in the corresponding function addition area B, where the optical device may be a camera, a fingerprint sensor, a distance sensor, or the like.
According to the embodiment of the invention, the first functional unit and the second functional layer with different refractive indexes are arranged in the function additional area, at least part of light of the first light-emitting device is totally reflected on the interface of the second functional layer and the first functional unit, so that the light-emitting efficiency of the function additional area is enhanced, and meanwhile, the shading unit is utilized to shade and scatter the light with a large viewing angle of the first light-emitting device, so that the technical problem that the lateral viewing angle brightness of the function additional area is too high is solved, and the integral display effect of the display panel is improved.
The embodiment of the invention discloses a display panel and a mobile terminal; the display panel comprises a function additional area and a main display area positioned at the periphery of the function additional area, the display panel comprises a plurality of first light-emitting devices and an optical function layer, the first light-emitting devices and the optical function layer are positioned in the function additional area, the optical function layer comprises a plurality of shading units arranged at intervals, a first function unit positioned on the shading units and a second function layer positioned on the first function unit, the second function layer covers the side wall of the first function unit, and the refractive index of the first function unit is smaller than that of the second function layer; according to the embodiment of the invention, at least part of light of the first light-emitting device is subjected to total reflection on the interface of the second functional layer and the first functional unit, so that the light-emitting efficiency of the function additional area is enhanced, and meanwhile, the light shielding unit is utilized to shield and scatter the light with a large viewing angle of the first light-emitting device, so that the problem of overhigh lateral viewing angle brightness of the function additional area is relieved, and the integral display effect of the display panel is improved.
The display panel and the mobile terminal provided by the embodiment of the present invention are described in detail above, and the principle and the embodiment of the present invention are explained in the present document by applying a specific example, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for those skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed, and in summary, the content of the present specification should not be construed as limiting the present invention.
Claims (13)
1. A display panel comprising a function addition region and a main display region located at a periphery of the function addition region, the display panel comprising:
a plurality of first light emitting devices positioned in the function addition region;
the optical function layer is positioned in the function additional area and positioned on one side of the light emitting direction of the first light emitting device, and the optical function layer comprises a plurality of shading units arranged at intervals, first function units positioned on the shading units and second function layers positioned on the first function units;
the first functional unit corresponds to the light shielding unit, the second functional layer covers a side wall of the first functional unit, the refractive index of the first functional unit is smaller than that of the second functional layer, the first functional unit and the first light emitting device are arranged in a non-overlapping mode in the top view direction of the display panel, and at least two light shielding units are arranged between every two adjacent first light emitting devices in the top view direction of the display panel.
2. The display panel of claim 1, wherein the second functional layer comprises a base material and a plurality of nanoparticles dispersed in the base material, and wherein the refractive index of the nanoparticles is greater than the refractive index of the base material.
3. The display panel of claim 1, wherein the display panel further comprises an interlayer insulating layer between the optical functional layer and the first light emitting device, and a touch line layer on the interlayer insulating layer, the touch line layer being located in the main display area, and the second functional layer further extends in the main display area and covers the touch line layer.
4. The display panel of claim 3, further comprising a planarization layer on the second functional layer, the planarization layer being located within the main display area and the functional addition area.
5. The display panel according to claim 1, wherein the display panel further comprises an encapsulation layer between the optically functional layer and the first light emitting device;
the lateral wall of the first functional unit extends towards one side far away from the corresponding shading unit, and an included angle between the lateral wall of the first functional unit and the packaging layer is an acute angle.
6. The display panel according to claim 1, wherein the refractive index of the first functional unit is 1.3 to 1.6, and the refractive index of the second functional layer is 1.5 to 1.9.
7. A display panel comprising a function addition region and a main display region located at a periphery of the function addition region, the display panel comprising:
a plurality of first light emitting devices positioned in the function addition region;
the optical function layer is positioned in the function additional area, the optical function layer is positioned on one side of the light emitting direction of the first light emitting device, the optical function layer comprises a plurality of shading units arranged at intervals, first function units positioned on the shading units and a second function layer, the second function layer comprises a second function unit positioned between two adjacent first function units, the surface, far away from the first light emitting device, of the second function unit is an arc surface, and the arc surface protrudes to one side far away from the first light emitting device;
the first functional unit corresponds to the light shielding unit, the second functional layer covers a side wall of the first functional unit, the refractive index of the first functional unit is smaller than that of the second functional layer, the first functional unit and the first light emitting device are arranged in a non-overlapping mode in the top view direction of the display panel, and at least two light shielding units are arranged between every two adjacent first light emitting devices in the top view direction of the display panel.
8. The display panel of claim 7, wherein the second functional layer comprises a base material and a plurality of nanoparticles dispersed in the base material, and wherein the refractive index of the nanoparticles is greater than the refractive index of the base material.
9. The display panel of claim 7, further comprising an interlayer insulating layer between the optical functional layer and the first light emitting device, and a touch line layer on the interlayer insulating layer, wherein the touch line layer is located in the main display area, and the second functional layer further extends in the main display area and covers the touch line layer.
10. The display panel according to claim 9, further comprising a planarization layer on the second functional layer, the planarization layer being located in the main display area and the functional addition area.
11. The display panel according to claim 7, further comprising an encapsulation layer between the optically functional layer and the first light emitting device;
the lateral wall of the first functional unit extends towards one side far away from the corresponding shading unit, and an included angle between the lateral wall of the first functional unit and the packaging layer is an acute angle.
12. The display panel according to claim 7, wherein the refractive index of the first functional unit is 1.3 to 1.6, and the refractive index of the second functional layer is 1.5 to 1.9.
13. A mobile terminal comprising the display panel according to any one of claims 1 to 12 and a terminal body, the terminal body being integrated with the display panel.
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| CN110910770B (en) * | 2019-11-29 | 2022-02-08 | 武汉天马微电子有限公司 | Display panel and display device |
| KR20210113486A (en) * | 2020-03-05 | 2021-09-16 | 삼성디스플레이 주식회사 | Display panel and display device including the same |
| CN112838176B (en) * | 2021-01-21 | 2022-05-27 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN113193152B (en) * | 2021-04-29 | 2023-05-12 | 京东方科技集团股份有限公司 | Display substrate and display device |
| CN113224250B (en) * | 2021-04-29 | 2022-08-05 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN113471383B (en) * | 2021-06-24 | 2022-08-23 | 武汉华星光电技术有限公司 | Display panel and mobile terminal |
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