CN113964280B - Display panel and display device - Google Patents
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- CN113964280B CN113964280B CN202111211362.1A CN202111211362A CN113964280B CN 113964280 B CN113964280 B CN 113964280B CN 202111211362 A CN202111211362 A CN 202111211362A CN 113964280 B CN113964280 B CN 113964280B
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/856—Arrangements for extracting light from the devices comprising reflective means
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/858—Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
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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
Abstract
The application discloses display panel and display device relates to and shows technical field, includes: a substrate; a light emitting device layer including a pixel defining layer and a plurality of light emitting devices arranged in an array; the pixel defining layer includes a plurality of first openings exposing the light emitting devices and a pixel defining structure; a first light conditioning layer comprising a plurality of light conditioning structures overlapping the pixel defining structures; a first interval is arranged between two adjacent light adjusting structures, and the first interval is overlapped with the first opening; the second light adjusting layer at least partially covers the side wall of the light adjusting structure facing the first opening, and the refractive index of the second light adjusting layer is larger than that of the first light adjusting layer; the light adjusting structure comprises a first side and a second side which are oppositely arranged, the first side is located at one side, away from the substrate, of the second side, and the protruding structure included in the first side protrudes towards the direction, away from the substrate, of the first light adjusting layer. The display effect of the display panel can be effectively improved.
Description
Technical Field
The present disclosure relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
With the development of display technology, the display panel manufacturing technology also tends to mature, and the existing display panels mainly include an organic light emitting display panel (Organic Light Emitting Diode, OLED), a liquid crystal display panel (Liquid Crystal Display, LCD), a plasma display panel (Plasma Display Panel, PDP), and the like. An organic light emitting display device, which is a self-luminous display device, does not require a separate light source. Accordingly, the organic light emitting display device can operate at a low voltage, is light and thin, and provides high quality characteristics such as a wide viewing angle, high contrast, and quick response. Accordingly, an organic light emitting display device as a next generation display device has been attracting attention. Organic Light-Emitting diodes (OLEDs) can be used as a Light Emitting source for display devices and illumination devices, which have low power consumption, high resolution, fast response, and other excellent electro-optical characteristics, and are becoming a mainstream technology for OLED display.
In the prior art, in order to improve the light emitting efficiency of an OLED display panel, materials with low refractive index and high refractive index are arranged in the light emitting direction of the OLED display panel, and the final light emitting quantity is improved through refraction and reflection of light. Although the design can improve the light-emitting efficiency of the display panel, the design has the problem of higher ambient light reflectivity, so that the display effect of the display panel is affected.
Disclosure of Invention
In view of this, the present application provides a display panel and a display device, which adopt to set up protruding structure on the light adjusting structure, can effectually improve the display effect of display panel.
In order to solve the technical problems, the application has the following technical scheme:
in a first aspect, the present application provides a display panel, comprising:
a substrate;
a light emitting device layer located at one side of the substrate; the light-emitting device layer comprises a pixel definition layer and a plurality of light-emitting devices arranged in an array; the pixel defining layer includes a plurality of first openings exposing the light emitting device and a pixel defining structure located between two adjacent first openings;
the first light adjusting layer is positioned on one side, far away from the substrate, of the light emitting device layer, and comprises a plurality of light adjusting structures which are overlapped with the pixel defining structures along a first direction; a first interval is arranged between two adjacent light adjusting structures, and the first interval is overlapped with the first opening along a first direction; the first direction is vertical to the plane of the substrate;
the second light adjusting layer is positioned on one side of the first light adjusting layer away from the substrate, and at least partially covers the side wall of the light adjusting structure facing the first opening along the first direction, and the refractive index of the second light adjusting layer is larger than that of the first light adjusting layer;
The light adjusting structure comprises a first side and a second side which are oppositely arranged along a first direction, the first side is located on one side, away from the substrate, of the second side, the first side comprises a protruding structure, and the protruding structure protrudes towards the direction, away from the substrate, of the first light adjusting layer.
In a second aspect, the present application further provides a display device, including a display panel, where the display panel is a display panel provided by the present application.
Compared with the prior art, the display panel and the display device provided by the invention have the advantages that at least the following effects are realized:
according to the display panel and the display device provided by the application, the mode that the convex structure is arranged on the light adjusting structure is adopted, and the convex direction of the convex structure faces the direction of the first light adjusting layer away from the substrate, so that after incident ambient light enters the display panel, diffuse reflection is carried out on the concave-convex structure on the light adjusting structure, light rays are changed through the reflection light path, and the emergent quantity of the reflected light is reduced; therefore, the structure of the display panel in the embodiment can improve the light emitting efficiency, reduce the reflectivity of the ambient light and is beneficial to improving the display effect of the display panel.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present application;
FIG. 2 is a cross-sectional view of the display panel along A-A' of the embodiment of FIG. 1;
FIG. 3 is a top view of a display panel according to an embodiment of the present disclosure;
FIG. 4 is a top view of a display panel according to an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of a light adjustment structure according to an embodiment of the present disclosure;
FIG. 6 is another cross-sectional view of the display panel along A-A' of the embodiment of FIG. 1;
FIG. 7 is a schematic diagram of another embodiment of a light adjustment structure according to the present disclosure;
FIG. 8 is another cross-sectional view of the display panel along A-A' of the embodiment of FIG. 1;
FIG. 9 is a top view of a display panel according to an embodiment of the present disclosure;
FIG. 10 is another cross-sectional view of the display panel along A-A' of the embodiment of FIG. 1;
FIG. 11 is a schematic plan view of a light adjusting structure according to an embodiment of the present disclosure;
FIG. 12 is a top view of a display panel according to an embodiment of the present disclosure;
FIG. 13 is a schematic plan view of another light modulation structure according to an embodiment of the present disclosure;
Fig. 14 is a top view of another display panel according to an embodiment of the present disclosure;
FIG. 15 is a schematic plan view of another light modulation structure according to an embodiment of the present disclosure;
FIG. 16 is a top view of a display panel according to an embodiment of the present disclosure;
FIG. 17 is a schematic plan view of another light modulation structure according to an embodiment of the present disclosure;
FIG. 18 is a schematic plan view of another light modulation structure according to an embodiment of the present disclosure;
FIG. 19 is a schematic plan view of another light modulation structure according to an embodiment of the present disclosure;
FIG. 20 is another cross-sectional view of the display panel along A-A' of the embodiment of FIG. 1;
fig. 21 is a top view of a display device according to an embodiment of the invention.
Detailed Description
Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect. Furthermore, the term "coupled" as used herein includes any direct or indirect electrical coupling. Accordingly, if a first device couples to a second device, that connection may be through a direct electrical coupling to the second device, or through another device or coupling means coupled to ground. The description hereinafter sets forth the preferred embodiment for carrying out the present application, but is not intended to limit the scope of the present application in general, for the purpose of illustrating the general principles of the present application. The scope of the present application is defined by the appended claims. The same points between the embodiments are not described in detail.
The following detailed description refers to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of a display panel 100 according to an embodiment of the present application, fig. 2 is a cross-sectional view along A-A' of the display panel 100 according to the embodiment of fig. 1, fig. 3 is a top view of the display panel 100 according to an embodiment of the present application, fig. 4 is another top view of the display panel 100 according to an embodiment of the present application, please refer to fig. 1 to 4, and the display panel 100 according to the present application includes:
a substrate 10;
a light emitting device layer 30 located at one side of the substrate 10; the light emitting device layer 30 includes a pixel defining layer 50 and a plurality of light emitting devices 301 arranged in an array; the pixel defining layer 50 includes a plurality of first openings K exposing the light emitting device 301 and a pixel defining structure NK between two adjacent first openings K;
a first light adjustment layer 60 located at a side of the light emitting device layer 30 away from the substrate 10, the first light adjustment layer 60 including a plurality of light adjustment structures 61, the light adjustment structures 61 overlapping the pixel defining structures NK along the first direction D1; the adjacent two light adjustment structures 61 include a first space S therebetween, and the first space S overlaps the first opening K along the first direction D1; the first direction D1 is perpendicular to the plane of the substrate;
A second light modulation layer 80 located on a side of the first light modulation layer 60 away from the substrate 10, along the first direction D1, the second light modulation layer 80 at least partially covering a sidewall S1 of the light modulation structure 61 facing the first opening K, the refractive index of the second light modulation layer 80 being greater than the refractive index of the first light modulation layer 60;
the light adjustment structure 61 includes a first side C1 and a second side C2 disposed opposite to each other along a first direction D1, the first side C1 being located on a side of the second side C2 away from the substrate 10, the first side C1 including a protrusion structure 70, the protrusion structure 70 protruding toward the first light adjustment layer 60 away from the substrate 10.
Specifically, as shown in fig. 1 and 2, the display panel 100 provided in this embodiment may be an organic light-emitting display panel, which has the advantages of self-luminescence, high brightness, wide viewing angle, and fast response, and does not need a backlight, a thinner organic material coating and a glass substrate may be used, and when current passes through the organic material coating and glass substrate, the organic material may emit light, and the organic light-emitting display panel may be made lighter and thinner, and the viewing angle is larger, so that the electric energy may be significantly saved. The substrate 10 of the present embodiment may be used as a carrier for carrying other structures of the display panel 100, and the substrate 10 may be a glass substrate or a flexible substrate, which is not particularly limited in this embodiment. The array layer 20 on one side of the substrate 10 may include a gate metal layer, a source/drain metal layer, an active layer, and an insulating layer (not shown) between the conductive film layers to fabricate a light emission control unit of the light emitting device 301 of the light emitting device layer 30. The pixel defining layer 50 located on a side of the array layer 20 away from the substrate 10 is used to define the arrangement position of each light emitting device 301 of the light emitting device layer 30, and the pixel defining layer 50 may include a plurality of first openings K, which may at least penetrate through the pixel defining layer 50 along a direction in which the pixel defining layer 50 is vertically oriented to the substrate 10, and each of the first openings K is used to arrange the light emitting devices 301 of the light emitting device layer 30, that is, the orthographic projection of the light emitting device 301 onto the light emitting surface of the display panel 100 and the orthographic projection of the first opening K onto the light emitting surface of the display panel 100 overlap each other. The light emitting device 301 includes a first electrode 301A, a light emitting portion 301B, and a second electrode 301C on a side of the array layer 20 away from the substrate 10; the first opening K of the pixel defining layer 50 exposes the first electrode 301A of the light emitting device 301, alternatively, the first electrode 301A may be an anode, the second electrode 301C may be a cathode, and when a current passes through the first electrode 301A and the second electrode 301C and an electric field is formed between the first electrode 301A and the second electrode 301C, the light emitting portion 301B emits light, and the light emitting principle of the light emitting device 301 may be understood with reference to the structure and principle of the organic light emitting device in the related art, which is not repeated herein. The portion of the pixel defining layer 50 excluding the first opening K is a pixel defining structure NK. Optionally, the display panel 100 further includes an encapsulation layer 40 located on a side of the light emitting device layer 30 away from the substrate 10 for encapsulating and protecting the light emitting device 301 of the light emitting device layer 30, and optionally, the encapsulation layer 40 may include an inorganic layer, an organic layer, and a stacked structure of a plurality of film layers of the inorganic layer. Optionally, a functional film layer such as a touch layer may be disposed between the encapsulation layer 40 and the first light adjustment layer 60, which is not particularly limited in the present invention.
With continued reference to fig. 1 to 4, in the present invention, a first light adjusting layer 60 and a second light adjusting layer 80 are disposed on a side of the light emitting device layer 30 away from the substrate 10, wherein the first light adjusting layer 60 includes a plurality of light adjusting structures 61, and the light adjusting structures 61 are disposed on a side of the pixel defining structure NK away from the substrate 10; specifically, along the first direction D1, the light adjustment structure 61 overlaps the pixel defining structure NK; the adjacent two light adjustment structures 61 include a first space S therebetween, and optionally, as shown in fig. 3, when the light adjustment structures 61 are continuous structures, the first space S is an opening surrounding the first opening K and disposed on the light adjustment structures 61; alternatively, as shown in fig. 4, the light adjustment structure 61 may be a discontinuous structure, and the first space S partially surrounds the first opening K; along the first direction D1, the first space S overlaps the first opening K, and the second light adjusting layer 80 at least partially covers the side wall S1 of the light adjusting structure 61 facing the first opening K, which can also be understood that the second light adjusting layer 80 covers the first opening KThe light modulation layer 60, the first light modulation layer 60 is in direct contact with the second light modulation layer 80, and at least part of the second light modulation layer 80 is located within the first space S, i.e., covers the sidewall S1 of the second light modulation layer 80; alternatively, the first direction D1 is perpendicular to the plane of the substrate 10. On the other hand, please refer to the light propagation path f in fig. 2 1 Since the refractive index of the second light adjusting layer 80 is greater than that of the first light adjusting layer 60, at least part of the light emitted from the light emitting device layer 30 is directed to the light adjusting structure 61, and after being directed to the second light adjusting layer 80 from the light adjusting structure 61, the emitted light is deflected toward the small viewing angle and emitted from directly above the light emitting portion 301B, which is favorable for deflecting the light with a large angle emitted from the light emitting device 301 to a small angle, thereby being favorable for improving the light emitting efficiency of the display panel 100; on the other hand, please refer to the light propagation path f in fig. 2 2 The inclined plane exists in the cross section of the first light adjusting layer 60 contacted with the second light adjusting layer 80, and the light emitted by the light emitting device 301 is totally reflected after being emitted to the inclined plane, so that the light with a large viewing angle emitted by the light emitting device 301 can be deflected to a small viewing angle, and the light emitting efficiency of the display panel 100 is improved.
In the related art, when the light adjusting structure with a smaller refractive index is arranged on the pixel defining structure in the light emitting direction of the light emitting device layer, and the second light adjusting layer with a larger refractive index is arranged on one side, far away from the substrate, of the light adjusting structure, the light adjusting structure and the second light adjusting layer are mutually matched, and part of large-angle light rays emitted by the light emitting device layer are adjusted to a small visual angle, so that the light emitting efficiency of the display panel is improved. However, at the same time, the interface of high and low refractive indexes, at which the first light adjusting layer contacts with the second light adjusting layer, is easy to cause high reflectivity of ambient light, which affects normal display of the display panel.
In view of this, please continue to refer to fig. 1-4, the light adjusting structure 61 according to the embodiment of the invention includes a first side C1 and a second side C2 disposed opposite to each other along a first direction D1, the second side C2 is closer to the substrate 10 than the first side C1, the first side C1 includes a protrusion structure 70, and the protrusion structure 70 is oriented towards the first light adjusting layer 60 and away from the substrate 10, so that when ambient light is incident on the display panel 100, the ambient light is incident on the light adjusting structure 61Is diffusely reflected on the convex structure 70 of (1) to change the light path of the incident light, please refer to the light propagation path f in fig. 2 3 The emission amount of the reflected light can be reduced; thus, the structure of the display panel 100 in this embodiment can improve the light extraction efficiency, reduce the reflectivity of the ambient light, and is beneficial to improving the display effect of the display panel 100.
It should be noted that the embodiment shown in fig. 2 only schematically illustrates a cross-sectional view of the light adjustment structure 61 and the bump structure 70, and does not represent the actual number and sizes of the light adjustment structure 61 and the bump structure 70; the embodiment shown in fig. 3 only schematically illustrates the positional relationship between a part of the first opening K and the light adjustment structure 61, wherein the size of the first opening K and the size of the light adjustment structure 61 do not represent the actual size; the embodiment shown in fig. 4 only schematically shows the positional relationship between a part of the first opening K and the light adjustment structure 61, wherein the size of the first opening K and the size of the light adjustment structure 61 do not represent the actual size either.
With continued reference to fig. 2 and 3, in an alternative embodiment of the present invention, the bump structure 70 does not overlap the first opening K in the first direction D1.
Specifically, as shown in fig. 2 and 3, in this embodiment, a light emitting device 301 is disposed in the first opening K, and the light emitting device 301 emits light for display after being powered on; in the first direction D1, the front projection of the bump structure 70 in the first direction D1 does not overlap with the front projection of the first opening K in the first direction D1, which is also understood as that there is a certain distance between the edge of the projection of the first opening K in the first direction D1 and the edge of the projection of the bump structure 70 in the first direction D1; in this way, the arrangement of the protruding structures 70 does not affect the light emission of the light emitting device 301, and the light emitting efficiency of the display panel 100 is ensured.
With continued reference to fig. 2, in an alternative embodiment of the present invention, an angle θ between a side wall S1 of the light adjusting structure 61 facing the first opening K and a side surface of the second side C2 of the light adjusting structure 61 is an acute angle.
Specifically, as shown in fig. 2, the light adjusting structure 61 in the present embodiment is an irregular structure, and includes a first side C1 and a second side C2 disposed opposite to each other along a first direction D1, and includes a side wall S1 disposed opposite to each other along a second direction D2, including a first side C1 wall S1 and a second side C2 wall S1, and the first side C1 wall S1 and the second side C2 wall S1 intersect; the side wall S1 of the light adjusting structure 61 faces the first opening K, and the side wall S1 has an inclined angle, that is, the included angle between the side wall S1 of the protruding structure 70 and the side surface of the second side C2 is an acute angle θ, alternatively, the acute angle is 50 ° to 80 °, and may be 60 ° or 70 °, and the side surface of the second side C2 is parallel to the plane of the substrate 10; it may also be understood that the side wall S1 of the light adjusting structure 61 does not affect the light emitted by the light emitting device 301, and for the light with a large viewing angle emitted by the light emitting device 301, the side wall S1 of the light adjusting structure 61 reflects the light, so that the light with the large viewing angle is adjusted to a small viewing angle, thereby being beneficial to improving the light emitting efficiency of the display panel 100 and improving the display effect of the display panel 100.
With continued reference to fig. 2 and 3, in an alternative embodiment of the present invention, the light adjustment structure 61 does not overlap the first opening K along the first direction D1.
Specifically, as shown in fig. 2 and 3, in the present embodiment, along the first direction D1, the light adjustment structure 61 does not overlap the first opening K; the dimension of the first space S along the direction parallel to the substrate 10 is c1, L1 < c1 < l1+4um, and L1 is the width of the first opening K along the direction parallel to the substrate 10; optionally, the first opening K coincides with the geometric center of the first space S, the first edge of the first space S along the third direction D3 differs from the projection of the first edge of the first opening K along the third direction D3 in the first direction D1 by a distance less than 2um, and the second edge of the first space S along the third direction D3 differs from the projection of the second edge of the first opening K along the third direction D3 in the first direction D1 by a distance less than 2um; optionally, the first opening K is misaligned with the geometric center of the first space S, and the sum of the distances by which the first edge of the first space S in the third direction D3 differs from the projection of the first edge of the first opening K in the third direction D3 in the first direction D1, and the distances by which the second edge of the first space S in the third direction D3 differs from the projection of the second edge of the first opening K in the third direction D3 in the first direction D1 is less than 4um; wherein, the first edge of the first space S along the third direction D3 is adjacent to the projection of the first edge of the first opening K along the third direction D3 in the first direction D1, and the second edge of the first space S along the third direction D3 is adjacent to the projection of the second edge of the first opening K along the third direction D3 in the first direction D1; it may also be understood that the light adjusting structure 61 does not overlap the light emitting device 301, so as to reduce the influence of the light adjusting structure 61 on the light emitted by the light emitting device 301 as much as possible, and ensure the light emitting efficiency of the display panel 100.
Fig. 5 is a schematic structural diagram of a light adjustment structure 61 according to an embodiment of the present application, and please refer to fig. 5, and referring to fig. 2, in an alternative embodiment of the present invention, a first side C1 of the light adjustment structure 61 includes a first plane P1, and the first plane P1 is located on a side of the protrusion structure 70 near the first opening K along a direction parallel to a plane of the substrate, and the first plane P1 is parallel to the plane of the substrate.
Specifically, as shown in fig. 5, and in conjunction with fig. 2, in the present embodiment, the first side C1 of the light adjustment structure 61 includes a first plane P1, the first plane P1 is located on a side of the protrusion structure 70 near the first opening K, and it can be understood that the first plane P1 is adjacent to the first space S, and the first plane P1 is parallel to the plane of the substrate 10, and the arrangement of the first plane P1 can ensure the processing performance of the light adjustment structure 61.
It should be noted that, the embodiment shown in fig. 5 only schematically illustrates a cross-sectional view of the first plane P1, and does not represent the actual dimension of the first plane P1.
Fig. 6 is another cross-sectional view of the display panel 100 along A-A' in the embodiment shown in fig. 1, fig. 7 is a schematic structural diagram of a light adjustment structure 61 provided in the embodiment of the present application, and please refer to fig. 6 and fig. 7, in an alternative embodiment of the present invention, a distance l1 from a first plane P1 to a second side C2 of the light adjustment structure 61 is greater than a maximum distance l2 from the protrusion structure 70 to the second side C2 of the light adjustment structure 61.
Specifically, as shown in fig. 6 and 7, in the present embodiment, the light adjusting structure 61 presents another structure, wherein the first plane P1 and the plane where the protrusion structure 70 is located have a certain height difference, so that a groove structure is formed in the middle of the first plane P1, and the protrusion structure 70 is located in the groove formed by the first plane P1; optionally, the protruding structure 70 includes a top end facing the second light adjusting layer 80, and the first plane P1 and the top end of the protruding structure 70 are not in the same plane, but have a certain height difference; it is also understood that the vertical distance l1 between the first plane P1 and the second side C2 of the light adjustment structure 61 is greater than the distance l2 between the top end of the protrusion structure 70 and the second side C2 of the light adjustment structure 61, alternatively, the distance h=2um to 3.5um between the first plane P1 and the second side C2 of the light adjustment structure 61; thus, on one hand, the size of the side surface of the light adjusting structure 61 can be ensured, and the efficiency of converting the light with a large viewing angle into the light with a small viewing angle can be ensured; on the other hand, the thickness of the light adjustment structure 61 can also be reduced, reducing the thickness of the realized panel.
Fig. 8 is another cross-sectional view of the display panel 100 along A-A' in the embodiment shown in fig. 1, fig. 9 is another top view of the display panel 100 provided in the embodiment of the present application, please refer to fig. 8 and fig. 9, in an alternative embodiment of the present invention, the display panel 100 includes a light-filtering layer 90, the light-filtering layer 90 includes a light-shielding structure 91, and the light-shielding structure 91 covers the protrusion structure 70 along the first direction D1.
Specifically, as shown in fig. 8 and 9, in the present embodiment, a filter layer 90 is formed on the thin film encapsulation layer 40, and the filter layer 90 replaces the original polarizer, so that the display panel 100 can be bent and has a reduced thickness; the filter layer 90 includes a light shielding structure 91 and a color resistor 92, and optionally, the light shielding structure 91 is a black matrix, and the light shielding structure 91 is used as a color defining structure for shielding light; the color resistors 92 are configured to transmit light having the same color as the color resistors 92, optionally, the color resistors 92 include filters of multiple colors, and the light shielding structure 91 separates the color resistors 92; in the first direction D1, the light shielding structure 91 covers the protruding structures 70, i.e., the protruding structures 70 in the adjacent two light adjustment structures 61 have a dimension c2 in a direction parallel to the substrate 10,l2 is two adjacent light shielding structures 91 along the direction parallel to the baseThe dimension of the plate 10 in the direction, h is the vertical distance between the first plane P1 and the second side C2 of the light-adjusting structure 61, and θ is the angle between the side surface of the light-adjusting structure 61 and the second side C2; alternatively, the geometric center of the opening between the adjacent light shielding structures 91 coincides with the geometric center of the first space S, and the geometric center of the opening between the adjacent light shielding structures 91 does not coincide with the geometric center of the first space S; the distance between the orthographic projection of the first edge of the raised structure 70 in the third direction D3 in the first direction D1 and the orthographic projection of the first space S in the first direction D1 of the first edge in the third direction D3 in the same light modulating structure 61 is smaller than +. >Wherein, the first edge of the convex structure 70 along the third direction D3 is adjacent to the orthographic projection of the first edge of the first space S along the third direction D3 in the first direction; the light shielding structure 91 is located on one side of the protrusion structure 70 near the substrate 10, where the light shielding structure 91 is configured to absorb ambient light, and it may be further understood that after the ambient light is diffusely reflected by the protrusion structure 70 on the light adjusting structure 61, some light is emitted to the light shielding structure 91, and the light shielding structure 91 covers the protrusion structure 70, so that reflection of the ambient light can be reduced.
It should be noted that, the embodiment shown in fig. 8 only schematically illustrates a cross-sectional view of the light shielding structure 91, and does not represent the actual size of the light shielding structure 91; the embodiment shown in fig. 9 only schematically shows the positional relationship of the light shielding structure 91 and the protruding structure 70, and does not represent the actual size.
With continued reference to fig. 5, and with reference to fig. 2, in an alternative embodiment of the present invention, the bump structure 70 includes at least two sub-bumps 71, and in the same bump structure 70, a second plane P2 is included between two adjacent sub-bumps 71, where the second plane P2 is parallel to the plane of the substrate 10.
Specifically, as shown in fig. 5, and in combination with fig. 2, the protrusion structure 70 on the light adjustment structure 61 in this embodiment is composed of a plurality of sub-protrusions 71, and a second plane P2 is included between two adjacent sub-protrusions 71, where the second plane P2 is parallel to the plane of the substrate 10, and it can also be understood that the two sub-protrusions 71 are separated by the second plane P2; thus, the reliability of the process of the display panel 100 can be ensured.
It should be noted that, the embodiment shown in fig. 5 only schematically illustrates the schematic cross-sectional view of the second plane P2, and does not represent the actual dimension of the second plane P2.
Fig. 10 is another cross-sectional view of the display panel 100 along A-A' in the embodiment shown in fig. 1, and referring to fig. 10, in an alternative embodiment of the present invention, the first opening K includes a first opening K1 and a first second opening K2, the bump structure 70 includes a first bump structure 72, and the first bump structure 72 is located between the first opening K1 and the first second opening K2 along a direction parallel to a plane of the substrate 10, and the first bump structure 72 includes a plurality of first sub-bumps 73, and a distance from a top surface of each first sub-bump 73 to the second side C2 decreases gradually along a direction in which the first opening K1 points to the first second opening K2.
Specifically, as shown in fig. 10, in this embodiment, two adjacent first openings K may be defined as a first opening K1 and a first second opening K2, the bump structure 70 located between the first opening K1 and the first second opening K2 is defined as a first bump structure 72 along the direction parallel to the plane of the substrate, the first bump structure 72 is provided with a plurality of first sub-bumps 73, the first sub-bumps 73 include top surfaces facing the light adjustment structure 61, where, in the direction of pointing to the first second opening K2 along the first opening K1, the distance between the top surfaces of the first sub-bumps 73 and the second side C2 of the light adjustment structure 61 decreases to form an irregular bump structure 70, and on one hand, each bump structure 70 in the light adjustment structure 61 presents a gradual change form, which is helpful for the uniformity of etching the light adjustment structure 61; on the other hand, each of the convex structures 70 in the light adjustment structure 61 takes a gradual form, which can effectively improve the film peeling phenomenon between the light first light adjustment layer 60 and the second light adjustment layer 80; in this way, the display effect of the display panel 100 can be improved.
Fig. 11 is a schematic plan view of a light adjustment structure 61 according to an embodiment of the present application, fig. 12 is a schematic plan view of a display panel 100 according to an embodiment of the present application, fig. 13 is a schematic plan view of a light adjustment structure 61 according to an embodiment of the present application, fig. 14 is a schematic plan view of a display panel 100 according to an embodiment of the present application, fig. 15 is a schematic plan view of a light adjustment structure 61 according to an embodiment of the present application, fig. 16 is a schematic plan view of a display panel 100 according to an embodiment of the present application, fig. 17 is a schematic plan view of a light adjustment structure 61 according to an embodiment of the present application, and fig. 11 to 17 are continued, and in combination with fig. 3, the light adjustment structure 61 is disposed around the first opening K in an alternative embodiment of the present invention.
Specifically, the light adjustment structure 61 in the present embodiment is a continuous structure, that is, the light adjustment structure 61 is disposed around the first opening K; the specific structure comprises the following steps:
with continued reference to fig. 11 to 13, and with reference to fig. 3, the sub-protrusions 71 included in the protrusion structures 70 on the light adjustment structure 61 are circular protrusions, and the circular protrusions are arranged around the first opening K, it can be understood that, along the first direction D1, a circle of circular protrusions formed around the first opening K has the same shape as the first opening K; the shape of a circle of circular protrusions formed around the first opening K may also be different from the shape of the first opening K; optionally, a plurality of circles of circular protrusions are arranged around the first opening K;
With continued reference to fig. 14 and 15, the sub-protrusions 71 included in the protrusion structures 70 on the light adjustment structure 61 are bar-shaped protrusions, and the bar-shaped protrusions are arranged around the first opening K, and each side of the first opening K is provided with a bar-shaped protrusion, that is, at least part of the bar-shaped protrusions extend along the first direction D1 and at least part of the bar-shaped protrusions extend along the second direction D2; optionally, a plurality of circles of strip-shaped protrusions are arranged around the first opening K;
with continued reference to fig. 16 and 17, the sub-protrusions 71 included in the protrusion structures 70 on the light adjustment structure 61 are annular protrusions, and the annular protrusions are arranged around the first opening K, at least part of the annular protrusions are complete annular shapes, and at least part of the annular protrusions are incomplete annular shapes; optionally, a plurality of annular protrusions are arranged around the first opening K;
through the above-mentioned diversified arrangement of the protruding structures 70, in the actual process, a suitable protruding structure 70 is selected, and the ambient light is diffusely reflected to the greatest extent, so that the reflection of the ambient light is reduced, and the display effect of the display panel 100 is improved.
Fig. 18 is a schematic plan view of a light adjustment structure 61 according to an embodiment of the present application, fig. 19 is a schematic plan view of another light adjustment structure 61 according to an embodiment of the present application, please refer to fig. 18 and 19, and fig. 2 is combined, in an alternative embodiment of the present invention, a display panel 100 includes a plurality of light emitting devices 301 arranged along a second direction D2, the protruding structures 70 are stripe-shaped and extend along the second direction D2, and the second direction D2 is parallel to a plane on which the substrate 10 is located.
Specifically, referring to fig. 18, in conjunction with fig. 2, in this embodiment, the display panel 100 includes a plurality of light emitting devices 301 arrayed along a second direction D2, the sub-protrusions 71 included in the protrusion structures 70 on the light adjustment structure 61 are stripe-shaped protrusions, and the stripe-shaped protrusions extend along the second direction D2 and are continuous stripe-shaped protrusions, and optionally, the second direction D2 is parallel to the plane of the substrate; in this way, the strip-shaped protruding structure 70 is formed, the color separation phenomenon of the display panel 100 can be avoided by the strip-shaped protruding structure 70, specifically, the strip-shaped protruding structure 70 arranged along the second direction D2, so that diffraction caused by the protruding structure 70 coincides with diffraction caused by the sub-pixels, no obvious diffraction phenomenon exists in the second direction D2, and the color phenomenon of the display panel 100 can be effectively improved.
With continued reference to fig. 19, and with reference to fig. 2, in an alternative embodiment of the present invention, the stripe-shaped protrusions of the sub-protrusions 71 included in the protrusion structures 70 on the light adjustment structure 61 extend along the third direction and are continuous stripe-shaped protrusions, alternatively, the third direction D3 is perpendicular to the second direction D2, and the third direction D3 is parallel to the plane of the substrate, so that the stripe-shaped protrusion structures 70 are formed, and the color separation phenomenon of the display panel 100, specifically, the stripe-shaped protrusion structures 70 disposed along the third direction, overlap with the diffraction caused by the protrusion structures 70 and the diffraction caused by the sub-pixels, so that there is no obvious diffraction phenomenon in the third direction D3, and the diffraction phenomenon of the display panel 100 can be effectively improved.
With continued reference to fig. 18, and with reference to fig. 2, in an alternative embodiment of the present invention, the dimension of the protrusion structure 70 along the second direction D2 is equal to the dimension of the display panel 100 along the second direction D2.
Specifically, referring to fig. 18 in conjunction with fig. 2, in the present embodiment, the dimension of the protrusion structure 70 along the second direction D2 is equal to the dimension of the display panel 100 along the second direction D2, and it can be understood that the bar-shaped protrusions included in the protrusion structure 70 are continuous structures, and the length of the bar-shaped protrusions penetrates the display panel 100 along the second direction D2; thus, the stripe-shaped protrusion structure 70 is formed, and the stripe-shaped protrusion structure 70 can effectively avoid the color separation phenomenon of the display panel 100, and effectively improve the diffraction phenomenon of the display panel 100.
FIG. 20 is a cross-sectional view of the display panel 100 along A-A' of the embodiment shown in FIG. 1. Referring to FIG. 20, in an alternative embodiment of the present invention, the display panel 100 includes a first light emitting device 301-1 and a second light emitting device 302-1, wherein the first light emitting device 301-1 emits light with a wavelength λ1 and the second light emitting device 302-1 emits light with a wavelength λ2, and wherein λ1 > λ2;
the light adjustment structure 61 comprises a first light adjustment structure 61-1 and a second light adjustment structure 61-2, the first light adjustment structure 61-1 surrounding the first light emitting device 301-1 and the second light adjustment structure 61-2 surrounding the second light emitting device 302-1; the bump structure 70 includes a plurality of sub-bumps 71;
In the convex structure 70 of the first light adjustment structure, the distance between the centers of adjacent sub-projections 71 is d1; in the convex structure 70 of the second light adjustment structure, the distance between the centers of adjacent sub-projections 71 is d2; wherein d1 > d2.
Specifically, please refer to fig. 20, and referring to fig. 11-17, in this embodiment, different light emitting devices 301 can emit light with different colors, and the wavelength of the light emitted by the first light emitting device 301-1 is λ1, and the wavelength of the light emitted by the second light emitting device 302-1 is λ1The wavelength of the light is lambda 2; since the wavelength of the light emitted by the light emitting device 301 may cause chromatic dispersion degradation, the present embodiment needs to differentially design the different light adjustment structures 61 corresponding to the different light emitting devices 301; when λ1 > λ2, the first light-emitting device 301-1 corresponds to the first light-adjusting structure 61-1, the distance between the centers of the adjacent sub-protrusions 71 in the protrusion structure 70 corresponding to the first light-adjusting structure 61-1 is D1, the second light-emitting device 302-1 corresponds to the second light-adjusting structure 61-2, the distance between the centers of the adjacent sub-protrusions 71 in the protrusion structure 70 corresponding to the second light-adjusting structure 61-2 is D2, D1 > D2, optionally, when the sub-protrusion 71 is a circular protrusion, the center of the sub-protrusion 71 is the center of the circular protrusion itself, and the distance between the centers of the adjacent two sub-protrusions 71 is the minimum distance between the adjacent two circles of sub-protrusions 71 arranged along the third direction D3; when the sub-projections 71 are stripe-shaped projections, the center of the sub-projection 71 is the most middle position of the stripe-shaped projection along the third direction D3, and the distance between the centers of two adjacent sub-projections 71 is the minimum distance between two adjacent circles of sub-projections 71 arranged along the third direction D3; please refer to the light propagation path f in fig. 20 4 In order to avoid obvious color separation phenomenon of the display panel, the light is emitted to the convex structures 70 in the light adjusting structure 61 from the filter layer, and then emitted to the second light adjusting layer 80 from the convex structures 70, and in this embodiment, the distances between the central lines of adjacent sub-convex 71 in the convex structures arranged around different light emitting devices 301 are differently set, so that the light emitted by the second light adjusting layer 80 has no obvious color separation phenomenon; wherein, the color separation phenomenon of the display panel can be overcome by adjusting the secondary diffraction angles of the light rays with different wavelengths, and the color separation phenomenon is represented by the following formula d 1 As can be seen from =kλ, θ 1 Is the secondary diffraction angle of the light, lambda is the wavelength of the light, and k is the diffraction order of the light; in order to make the secondary diffraction angles of the light with different wavelengths identical, the secondary diffraction angles of the light emitted by the different light emitting devices 301 can be made identical by adjusting the distance d between the centers of the adjacent sub-protrusions 71 in the protrusion structure 70, so that the color separation phenomenon of the display panel 100 can be improved.
With continued reference to fig. 20, in an alternative embodiment of the present invention,
Specifically, with continued reference to fig. 20, in this embodiment, the light emitting device 301 includes light emitting devices 301 of multiple colors, optionally including a red light emitting device, a green light emitting device, a blue light emitting device, and so on, and the wavelengths of the light emitted by the different light emitting devices 301 are different, specifically, the wavelength ratio of the light emitted by the light emitting devices 301 is equal to the distance ratio between the centerlines of the sub-protrusions 71 in the protrusion structures 70 corresponding to the light emitting devices 301; according to the rule, the protrusion structures 70 having different center lines of the sub-protrusions 71 may be provided to the light emitting devices 301 of different colors to adjust the secondary diffraction angles of the light emitted from the red, green and blue light emitting devices such that the secondary diffraction angles of the light emitted from the red, green and blue light emitting devices are the same, thereby improving the color separation phenomenon of the display panel 100.
With continued reference to fig. 20, in an alternative embodiment of the present invention, the display panel 100 includes a filter layer, the filter layer includes a color resistor 92 and a light shielding structure 91, and along a first direction D1, the protrusion structure 70 of the first light adjustment structure 61-1 is located between the protrusion structure 70 and the light shielding structure 91 corresponding to the color resistor 92; the color resist 92 corresponding to the bump structure 70 of the second light adjustment structure 61-2 is located between the bump structure 70 and the light shielding structure 91.
Specifically, as shown in fig. 20, in the present embodiment, the display panel 100 is provided with a filter layer 90, the filter layer 90 is located on the encapsulation layer 40, and the filter layer 90 includes a color resistor 92 and a light shielding structure 91 located between the color resistors 92; along the first direction D1, a portion of the color resist 92 is further disposed on a side of the light shielding layer near the light adjusting structure 61, and it can be understood that the color resist 92 corresponding to the first light adjusting structure 61-1 is located between the first light adjusting structure 61-1 and the light shielding structure 91, and the color resist 92 corresponding to the second light adjusting structure 61-2 is displaced between the second light adjusting structure 61-2 and the light shielding layer, where the wavelengths of the light that can be filtered by the color resist 92 corresponding to the first light adjusting structure 61-1 and the color resist 92 corresponding to the second light adjusting structure 61-2 are different, so that the wavelengths of the light emitted to the different light adjusting structures 61 are different, and the secondary diffraction angles of the light with different wavelengths emitted through the convex structures 70 are adjusted, so that the color separation phenomenon of the display panel 100 can be effectively improved.
With continued reference to fig. 20, in an alternative embodiment of the present invention, the light-modulating structure 61 and the color resist 92 comprise the same material.
Specifically, please continue to refer to fig. 20, in this embodiment, the light adjusting structure 61 and the color resistor 92 are made of the same material, so that the light adjusting structure 61 not only has a diffuse reflection effect on the ambient light and reduces the reflection of the ambient light, but also allows the light adjusting structure 61 to absorb light and further reduces the reflection of the ambient light.
Based on the same inventive concept, the present invention further provides a display device 200, and fig. 21 is a top view of the display device 200 according to the embodiment of the present invention, where the display device includes a display panel 100, and the display panel 100 is the display panel 100 according to the embodiment of the present invention. In the display device 200 of the present invention, the protrusion structure 70 is disposed on the light adjustment structure 61, and the protrusion structure 70 is used to diffuse and reflect the ambient light incident on the display panel 100, so as to reduce the reflection of the ambient light incident on the display panel 100, and facilitate the improvement of the display effect of the display device.
It should be noted that, in the embodiment of the display device 200 provided in the embodiment of the present application, reference may be made to the embodiment of the display panel 100 described above, and the repetition is omitted. The apparatus provided by the present application may be embodied as: any product or component with realistic functions such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like.
According to the embodiments, the beneficial effects of the application are as follows:
according to the display panel and the display device provided by the application, the mode that the convex structure is arranged on the light adjusting structure is adopted, and the direction of the convex structure faces the direction of the first light adjusting layer away from the substrate, so that after incident ambient light enters the display panel, diffuse reflection is carried out on the concave-convex structure on the light adjusting structure, light rays are changed through the reflection light path, and the emergent quantity of the reflected light is reduced; therefore, the structure of the display panel in the embodiment can improve the light emitting efficiency, reduce the reflectivity of the ambient light and is beneficial to improving the display effect of the display panel.
While the foregoing description illustrates and describes the preferred embodiments of the present application, it is to be understood that this application is not limited to the forms disclosed herein, but is not to be construed as an exclusive use of other embodiments, and is capable of many other combinations, modifications and environments, and adaptations within the scope of the inventive concept described herein, through the foregoing teachings or through the skill or knowledge of the relevant arts. And that modifications and variations which do not depart from the spirit and scope of the present invention are intended to be within the scope of the appended claims.
Claims (15)
1. A display panel, comprising:
a substrate;
a light emitting device layer located at one side of the substrate; the light-emitting device layer comprises a pixel definition layer and a plurality of light-emitting devices arranged in an array; the pixel defining layer includes a plurality of first openings exposing the light emitting device and a pixel defining structure between adjacent two of the first openings;
a first light modulation layer located on a side of the light emitting device layer away from the substrate, the first light modulation layer including a plurality of light modulation structures overlapping the pixel defining structures along a first direction; a first interval is included between two adjacent light adjusting structures, and the first interval overlaps with the first opening along the first direction; the first direction is perpendicular to the plane of the substrate;
The second light adjusting layer is positioned on one side, away from the substrate, of the first light adjusting layer, and at least partially covers the side wall, facing the first opening, of the light adjusting structure along the first direction, and the refractive index of the second light adjusting layer is larger than that of the first light adjusting layer;
the light adjusting structure comprises a first side and a second side which are oppositely arranged along the first direction, the first side is positioned on one side, away from the substrate, of the second side, the first side comprises a protruding structure, and the protruding structure protrudes towards the direction, away from the substrate, of the first light adjusting layer;
the first side of the light adjusting structure comprises a first plane, and the first plane is positioned at one side of the protruding structure close to the first opening along the direction parallel to the plane of the substrate, and is parallel to the plane of the substrate; the distance of the first plane to the second side of the light modulating structure is greater than the maximum distance of the protruding structure to the second side of the light modulating structure.
2. A display panel, comprising:
a substrate;
a light emitting device layer located at one side of the substrate; the light-emitting device layer comprises a pixel definition layer and a plurality of light-emitting devices arranged in an array; the pixel defining layer includes a plurality of first openings exposing the light emitting device and a pixel defining structure between adjacent two of the first openings;
A first light modulation layer located on a side of the light emitting device layer away from the substrate, the first light modulation layer including a plurality of light modulation structures overlapping the pixel defining structures along a first direction; a first interval is included between two adjacent light adjusting structures, and the first interval overlaps with the first opening along the first direction; the first direction is perpendicular to the plane of the substrate;
the second light adjusting layer is positioned on one side, away from the substrate, of the first light adjusting layer, and at least partially covers the side wall, facing the first opening, of the light adjusting structure along the first direction, and the refractive index of the second light adjusting layer is larger than that of the first light adjusting layer;
the light adjusting structure comprises a first side and a second side which are oppositely arranged along the first direction, the first side is positioned on one side, away from the substrate, of the second side, the first side comprises a protruding structure, and the protruding structure protrudes towards the direction, away from the substrate, of the first light adjusting layer;
the first opening comprises a first opening and a first second opening, the protruding structures comprise first protruding structures, the first protruding structures are located between the first opening and the first second opening along the direction parallel to the plane where the substrate is located, the first protruding structures comprise a plurality of first sub-protrusions, and the distance from the top surface of each first sub-protrusion to the second side is gradually reduced along the direction that the first opening points to the first second opening.
3. A display panel, comprising:
a substrate;
a light emitting device layer located at one side of the substrate; the light-emitting device layer comprises a pixel definition layer and a plurality of light-emitting devices arranged in an array; the pixel defining layer includes a plurality of first openings exposing the light emitting device and a pixel defining structure between adjacent two of the first openings;
a first light modulation layer located on a side of the light emitting device layer away from the substrate, the first light modulation layer including a plurality of light modulation structures overlapping the pixel defining structures along a first direction; a first interval is included between two adjacent light adjusting structures, and the first interval overlaps with the first opening along the first direction; the first direction is perpendicular to the plane of the substrate;
the second light adjusting layer is positioned on one side, away from the substrate, of the first light adjusting layer, and at least partially covers the side wall, facing the first opening, of the light adjusting structure along the first direction, and the refractive index of the second light adjusting layer is larger than that of the first light adjusting layer;
the light adjusting structure comprises a first side and a second side which are oppositely arranged along the first direction, the first side is positioned on one side, away from the substrate, of the second side, the first side comprises a protruding structure, and the protruding structure protrudes towards the direction, away from the substrate, of the first light adjusting layer;
The display panel comprises a first light-emitting device and a second light-emitting device, wherein the wavelength of light emitted by the first light-emitting device is lambda 1, and the wavelength of light emitted by the second light-emitting device is lambda 2, and lambda 1 is more than lambda 2;
the light adjustment structure comprises a first light adjustment structure surrounding the first light emitting device and a second light adjustment structure surrounding the second light emitting device; the protrusion structure comprises a plurality of sub-protrusions;
in the convex structure of the first light adjusting structure, the distance between the centers of adjacent sub-convex is d1; in the convex structure of the second light adjusting structure, the distance between the centers of adjacent sub-convex is d2; wherein d1 > d2.
4. A display panel according to any one of claims 1 to 3, wherein the protruding structures do not overlap the first openings in the first direction.
5. A display panel according to any one of claims 1 to 3, wherein the angle between the side of the light-regulating structure facing the first opening and the side of the second side of the light-regulating structure is acute.
6. A display panel according to any one of claims 1 to 3, wherein the light-modulating structure does not overlap the first opening in the first direction.
7. A display panel according to any one of claims 1 to 3, comprising a filter layer comprising a light shielding structure covering the protruding structures in the first direction.
8. A display panel according to any one of claims 1 to 3, wherein the bump structure comprises at least two sub-bumps, and wherein in the same bump structure, a second plane is included between two adjacent sub-bumps, the second plane being parallel to the plane of the substrate.
9. A display panel according to any one of claims 1 to 3, wherein the light-modulating structure is arranged around the first opening.
10. A display panel according to any one of claims 1 to 3, wherein the display panel comprises a plurality of light emitting devices arranged along a second direction, the protruding structures are stripe-shaped and extend along the second direction, and the second direction is parallel to the plane of the substrate.
11. The display panel of claim 10, wherein a dimension of the raised structures along the second direction is equal to a dimension of the display panel along the second direction.
12. The display panel according to claim 3, wherein,
13. the display panel of claim 12, wherein the display panel comprises a filter layer comprising color blocking and light shielding structures, the raised structures of the first light modulating structures being located between the corresponding color blocking and light shielding structures along the first direction; the color resistance corresponding to the convex structure of the second light adjusting structure is positioned between the convex structure and the shading structure.
14. The display panel of claim 13, wherein the light modulating structure and the color resist comprise the same material.
15. A display device comprising a display panel as claimed in any one of claims 1-14.
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| CN117015259A (en) * | 2022-04-26 | 2023-11-07 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof and display device |
| CN117616901A (en) * | 2022-04-29 | 2024-02-27 | 京东方科技集团股份有限公司 | Display panel and display device |
| WO2024033838A1 (en) * | 2022-08-12 | 2024-02-15 | 3M Innovative Properties Company | Display system |
| CN115377320A (en) * | 2022-08-19 | 2022-11-22 | 京东方科技集团股份有限公司 | Display panel and display device |
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| CN109686868A (en) * | 2019-01-31 | 2019-04-26 | 上海天马微电子有限公司 | Display panel and display device |
| CN110265581A (en) * | 2019-07-22 | 2019-09-20 | 云谷（固安）科技有限公司 | Display panel and display device |
| CN210576029U (en) * | 2019-09-25 | 2020-05-19 | 昆山维信诺科技有限公司 | Thin film packaging structure and display device using same |
| CN111668384A (en) * | 2020-05-06 | 2020-09-15 | 湖北长江新型显示产业创新中心有限公司 | Display panel, manufacturing method thereof and display device |
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