Display panel and display device

Abstract

A display panel comprises a reflecting layer (20), the reflecting layer (20) comprises a first reflecting part (201), the first reflecting part (201) covers the side face of a first protection part (1811), when the slope angle of the side face of the first protection part (1811) is larger than 90 degrees, part of emergent light of a light emitting unit (162) is directly reflected by the first reflecting part (201) to a light filtering unit (192) with the same color as the light emitting unit (162), and when the slope angle of the side face of the first protection part (1811) is larger than 90 degrees, the part of emergent light of the light emitting unit (162) is not larger than 90 degrees. When the slope angle of the side face of the first protection part (1811) is smaller than 90 degrees, part of emergent light of the light emitting unit (162) is reflected by the first reflection part (201) to the common electrode (163) and then is reflected by the common electrode (163) to the light filtering unit (192) with the same color as the light emitting unit (162). The part of emergent light shielded by the black matrix (191) is utilized, so that the light extraction efficiency can be improved, and the power consumption of the display panel can be reduced. The invention further provides a display device comprising the display panel.

Description

Display panel and display device Technical Field

[0001] The present disclosure relates to the field of display technology, and in particular to a display panel and a display device. Background Art

[0002] The FMLOC (Flexible Multi-Layer On Cell) design is currently the mainstream in the OLED touch display field. The FMLOC design involves fabricating a metal electrode layer on the encapsulation layer of the display substrate. The surface of the metal electrode layer significantly reflects ambient light.

[0003] In order to reduce ambient light reflection and improve contrast, a black matrix is ​​introduced in the non-pixel area to absorb light. However, the oblique outgoing light of the light-emitting device will be blocked by the black matrix, resulting in low utilization of the outgoing light and high power consumption of the display panel.

[0004] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present disclosure, and therefore may include information that does not constitute prior art known to ordinary technicians in the field.

[0005] Public content

[0006] The purpose of the present disclosure is to overcome the above-mentioned deficiencies of the prior art and to provide a display panel and a display device.

[0007] According to one aspect of the present disclosure, a display panel is provided, which includes a driving backplane, a pixel defining layer, a plurality of pixel electrodes, a plurality of light-emitting units of different colors, a common electrode, a first protective layer, a color filter layer and a reflective layer, wherein the pixel defining layer is arranged on one side of the driving backplane, and the pixel defining layer is provided with a plurality of pixel openings; a plurality of pixel electrodes are respectively arranged in different pixel openings; a plurality of light-emitting units of different colors are respectively arranged on a side of each of the pixel electrodes away from the driving backplane; a common electrode is arranged on a side of the plurality of light-emitting units away from the driving backplane; a first protective layer is arranged on a side of the common electrode away from the driving backplane, the first protective layer includes a first protective portion, and the slope angle of the side surface of the first protective portion is greater than or less than 90 degrees; the color filter layer includes a black matrix, and the black matrix covers the side surface of the first protective portion. A color resist opening is provided on the black matrix, and filter units of different colors are provided in the color resist opening, and the orthographic projection of the filter unit of the same color on the driving backplane overlaps with the orthographic projection of the light-emitting unit of the same color on the driving backplane; a reflective layer is provided between the black matrix and the first protective portion, and the reflective layer includes a first reflective portion, and the first reflective portion covers the side of the first protective portion; when the slope angle of the side of the first protective portion is greater than 90 degrees, part of the outgoing light of the light-emitting unit is directly reflected by the first reflective portion to the filter unit of the same color as the light-emitting unit; when the slope angle of the side of the first protective portion is less than 90 degrees, part of the outgoing light of the light-emitting unit is reflected by the first reflective portion to the common electrode, and then reflected by the common electrode to the filter unit of the same color as the light-emitting unit.

[0008] In one embodiment of the present disclosure, a surface of the first protection portion away from the driving backplane is the first surface, and the orthographic projection of the light emitting unit on the driving backplane is within the orthographic projection of the first surface of the driving backplane located on the first protection portion on the driving backplane.

[0009] In one embodiment of the present disclosure, when the slope angle of the side surface of the first protecting portion is less than 90 degrees, the slope angle of the side surface of the first protecting portion is between 40 degrees and 65 degrees.

[0010] In one embodiment of the present disclosure, the reflective layer further includes a second reflective portion, and the second reflective portion covers a side of the first protective portion away from the driving back plate.

[0011] In one embodiment of the present disclosure, when the slope angle of the side surface of the first protective portion is less than 90 degrees, a first protrusion is provided on a side of the pixel defining layer away from the driving backplane, and the first protrusion is located near the pixel opening. At least one pair of first protrusions is provided around each pixel opening, and each pair of first protrusions includes two first protrusions. The reflected light of the second reflecting portion passes through the side surface of the first protrusion away from the pixel opening and the side surface of the first protrusion close to the pixel opening in sequence and is reflected and emitted from the filtering unit.

[0012] In one embodiment of the present disclosure, the cross-sectional shape of the first protrusion is a trapezoidal protrusion, and the slope angle of the side surface of the first protrusion is 40 degrees to 65 degrees.

[0013] In one embodiment of the present disclosure, the cross-sectional shape of the first protrusion is an arc-shaped protrusion.

[0014] In one embodiment of the present disclosure, the height of the first protrusion is 0.5-2 times the thickness of the pixel defining layer, and the width of the first protrusion away from the driving backplane is 1-4 times the thickness of the pixel defining layer.

[0015] In one embodiment of the present disclosure, the first protective layer also includes a second protective portion, which is connected between two adjacent first protective portions. The side of the second protective portion away from the driving backplane is connected to the side of the first protective portion, and the thickness of the second protective portion is 0.25-0.5 times the thickness of the first protective portion.

[0016] In one embodiment of the present disclosure, a side of the second protecting portion away from the driving back plate includes a first surface and a second surface, the second surface of the second protecting portion is located at both ends of the first surface, the second surface of the second protecting portion is connected to the side surface of the first protecting portion, the second surface of the second protecting portion is inclined toward the side close to the driving back plate, and the first reflecting portion extends to contact the second surface of the second protecting portion.

[0017] In one embodiment of the present disclosure, the display panel further includes a covering layer, which is provided on a side of the color filter layer away from the driving backplane, and a side of the covering layer away from the driving backplane is a plane.

[0018] In one embodiment of the present disclosure, a second protrusion is provided on a side of the filter unit away from the driving back plate, and the second protrusion is provided on the reflection light path of the first protrusion close to the light-emitting unit in each pair of first protrusions. The refractive index of the material of the filter unit is greater than the refractive index of the material of the covering layer. After the outgoing light passes through the interface between the side surface of the second protrusion and the covering layer, the outgoing angle of the outgoing light becomes smaller.

[0019] In one embodiment of the present disclosure, the distance between the side of the second protrusion close to the driving backplate and the driving backplate is greater than the distance between the side of the black matrix away from the driving backplate and the driving backplate.

[0020] In one embodiment of the present disclosure, the first protrusion includes a closed first annular ridge, the second protrusion includes a closed second annular ridge, the second annular ridge is located on the reflected light path of the first annular ridge near the pixel opening, the shape of the second annular ridge is similar to the shape of the first annular ridge, and the positive projections of a pair of first annular ridges on the driving back plate are located on the periphery of the positive projections of the second annular ridge on the driving back plate.

[0021] In one embodiment of the present disclosure, the first protrusion includes a plurality of first protrusion units, the second protrusion includes a plurality of second protrusion units, and at least one pair of second protrusion units are respectively provided on both sides away from each other of the two first protrusion units close to the pixel opening. The first protrusion unit and the second protrusion unit are in the shape of long strips, and the second protrusion unit is parallel to the first protrusion unit.

[0022] In one embodiment of the present disclosure, the cross-section of the second protrusion is a triangular protrusion, and the slope angle of the side surface of the second protrusion is 40 degrees to 60 degrees.

[0023] In one embodiment of the present disclosure, the height of the second protrusion is 0.25-0.5 times the thickness of the filter unit, and the width of the second protrusion on a side close to the driving back plate is 1-2 times the thickness of the filter unit.

[0024] In one embodiment of the present disclosure, the cross-sectional shape of the second protrusion is an arc-shaped protrusion.

[0025] In one embodiment of the present disclosure, the display panel further includes a first touch-sensitive metal layer, and the reflective layer and the first touch-sensitive metal layer are provided in the same layer and with the same material.

[0026] In one embodiment of the present disclosure, the display panel further includes an encapsulation layer, which is disposed between the common electrode and the first protection layer.

[0027] In one embodiment of the present disclosure, the color of the pixel defining layer is black.

[0028] In one embodiment of the present disclosure, the orthographic projection of the first surface of the first protection portion on the driving backplane covers the orthographic projection of the light emitting units in the same column on the driving backplane.

[0029] According to another aspect of the present disclosure, a display device is provided, including the display panel provided in one aspect of the present disclosure.

[0030] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The accompanying drawings are incorporated into and constitute a part of the specification, illustrate embodiments consistent with the present disclosure, and together with the specification, are used to explain the principles of the present disclosure. Obviously, the drawings described below are only some embodiments of the present disclosure, and those skilled in the art can derive other drawings based on these drawings without inventive effort.

[0032] FIG1 is a cross-sectional schematic diagram of a display panel according to an embodiment of the present disclosure when a polarizer is provided on the light-emitting side of a light-emitting layer.

[0033] FIG2 is a schematic cross-sectional view of a display panel according to an embodiment of the present disclosure when a color filter layer is provided on the light-emitting side of the light-emitting layer.

[0034] 3 is a cross-sectional schematic diagram of a display panel according to an embodiment of the present disclosure when a first reflective portion is disposed between the black matrix and the first protective portion, and the touch control layer includes only the first touch-sensitive metal layer.

[0035] 4 is a cross-sectional schematic diagram of a display panel according to an embodiment of the present disclosure when a first reflective portion is disposed between a black matrix and a first protective portion, and the touch control layer includes a first touch-sensitive metal layer and a second touch-sensitive metal layer.

[0036] FIG5 is a cross-sectional schematic diagram of a display panel according to an embodiment of the present disclosure, wherein a first reflective portion is disposed between the black matrix and the first protective portion, and the slope angle of the side surface of the first protective portion is less than 90 degrees.

[0037] 6 is a schematic cross-sectional view of a display panel according to an embodiment of the present disclosure, wherein a first reflective portion is disposed between the black matrix and the first protective portion, and the slope angle of the side surface of the first protective portion is greater than 90 degrees.

[0038] 7 is a schematic cross-sectional view of a display panel according to an embodiment of the present disclosure, when the reflective layer includes a first reflective portion and a second reflective portion, and the slope angle of the side surface of the first protection portion is less than 90 degrees.

[0039] FIG8 is a schematic cross-sectional view of a display panel according to an embodiment of the present disclosure, when the reflective layer includes a first reflective portion and a second reflective portion, and the slope angle of the side surface of the first protective portion is greater than 90 degrees.

[0040] 9 is a schematic cross-sectional view of a display panel according to an embodiment of the present disclosure, wherein a first protrusion is provided on a surface of the pixel defining layer away from the driving backplane, and the cross-sectional shape of the first protrusion is a trapezoidal protrusion.

[0041] 10 is a schematic cross-sectional view of a display panel according to an embodiment of the present disclosure, wherein a first protrusion is provided on a surface of the pixel defining layer away from the driving backplane, and the cross-sectional shape of the first protrusion is an arc-shaped protrusion.

[0042] FIG11 is a schematic cross-sectional view of a display panel according to an embodiment of the present disclosure, when the cross-sectional shape of the second protrusion is a triangle and the cross-sectional shape of the first protrusion is a trapezoidal protrusion.

[0043] FIG12 is a schematic cross-sectional view of a display panel according to an embodiment of the present disclosure, when the second protrusion is an arc-shaped protrusion and the cross-sectional shape of the first protrusion is a trapezoidal protrusion.

[0044] FIG13 is a schematic cross-sectional view of a display panel according to an embodiment of the present disclosure, when the second protrusion is in the shape of a triangular protrusion and the cross-sectional shape of the first protrusion is in the shape of an arcuate protrusion.

[0045] FIG14 is a schematic cross-sectional view of a display panel according to an embodiment of the present disclosure, when the second protrusion is an arc-shaped protrusion and the cross-sectional shape of the first protrusion is also an arc-shaped protrusion.

[0046] FIG15 is a plan view of a display panel according to an embodiment of the present disclosure, when the first protrusion includes a closed first annular convex strip and the second protrusion includes a closed second annular convex strip.

[0047] FIG16 is a plan view of a display panel according to an embodiment of the present disclosure, wherein the first protrusion includes a plurality of first protrusion units and the second protrusion includes a plurality of second protrusion units.

[0048] FIG17 is a plan view of a display panel according to an embodiment of the present disclosure when another second protruding unit is provided between two second protruding units corresponding to two pairs of first protruding units.

[0049] FIG18 is a three-dimensional structural diagram of the pixel defining layer and the color filter layer involved in an embodiment of the present disclosure when the cross-sectional shape of the second protruding unit is a triangular protrusion.

[0050] FIG19 is a three-dimensional structural diagram of the pixel defining layer and the color filter layer involved in an embodiment of the present disclosure when the cross-sectional shape of the second protruding unit is an arc-shaped protrusion.

[0051] FIG20 is a plan view of a display panel according to an embodiment of the present disclosure when the first protrusion includes both a first annular protrusion and a first protruding unit.

[0052] Explanation of Reference Numerals: 10 - driving backplane, 11 - base substrate, 12 - buffer layer; 13 - driving circuit layer, 131 - active layer, 1321 - first gate insulating layer, 1322 - second gate insulating layer, 1331 - first gate electrode, 1332 - second gate electrode, 134 - interlayer dielectric layer, 135 - first source electrode, 136 - drain electrode, 137 - protective layer, 138 - second source electrode; 139 - planarization layer group, 1391 - first planarization layer, 1392 - second planarization layer; 15 - pixel defining layer, 151 - pixel opening, 152 - first protrusion; 16 - light-emitting layer, 161 - pixel electrode, 162 - light-emitting unit, 163 - common electrode, 1631 - third protrusion; 17 - encapsulation layer, 171 - first inorganic encapsulation layer, 172 - organic encapsulation layer, 173 - second inorganic encapsulation layer; 18-Touch control layer, 181-First protective layer, 1811-First protective portion, 1812-Second protective portion, 1813-Groove, 182-First tactile metal layer, 183-Second protective layer, 184-Second tactile metal layer; 19-Color filter layer, 191-Black matrix, 1911-Color resist opening, 192-Filter unit, 1921-Red filter unit, 1922-Green filter unit, 1923-Blue filter unit, 1924-Second protrusion; 20-Reflective layer, 201-First reflective portion, 202-Second reflective portion; 21-Cover layer; 22-Polarizer, 221-Polarizing functional layer, 222-Phase difference layer, 223-Blocking layer. DETAILED DESCRIPTION

[0053] Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concepts of the example embodiments to those skilled in the art. Like reference numerals in the figures represent identical or similar structures, and thus their detailed descriptions will be omitted. Furthermore, the figures are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale.

[0054] Although relative terms such as "upper" and "lower" are used in this specification to describe the relationship of one illustrated component to another, these terms are used for convenience only, such as in accordance with the orientation of the illustrations in the accompanying drawings. It should be understood that if the illustrated device were flipped upside down, the component described as "upper" would become the component "lower." When a structure is referred to as "on" another structure, it may mean that the structure is integrally formed with the other structure, that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure through the other structure.

[0055] The terms "a", "an", "the", "said" and "at least one" are used to indicate the presence of one or more elements / components / etc.; the terms "including" and "having" are used to express open-ended inclusion and mean that additional elements / components / etc. may be present in addition to the listed elements / components / etc.; the terms "first", "second" and "third" etc. are used only as labels and are not intended to limit the quantity of their objects.

[0056] As shown in Figure 1, in order to improve the contrast of the display panel and reduce reflected light, a polarizer 22 is usually set on the light-emitting side of the light-emitting layer 16 so that the display panel appears black when it is not bright. However, the polarizer 22 will cause the light intensity of the display panel to attenuate. The polarizer 22 is arranged on the side of the light-emitting layer 16 away from the driving backplane 10, specifically on the side of the encapsulation layer 17 away from the driving backplane 10. The polarizer 22 may include a polarizing functional layer 221, a phase difference layer 222 and a barrier layer 223. The phase difference layer 222 is arranged on the side of the encapsulation layer 17 away from the driving backplane 10, the polarizing functional layer 221 is arranged on the side of the phase difference layer 222 away from the driving backplane 10, and the barrier layer 223 is arranged on the side of the polarizing functional layer 221 away from the driving backplane 10.

[0057] The polarizing functional layer 221 can adjust the light into linearly polarized light, and the material of the polarizing functional layer 221 may include liquid crystal. The phase difference layer 222 may be a 1 / 4λ phase difference layer 222. After the linear polarized light is incident from the side of the phase difference layer 222 facing the polarizing functional layer 221 and passes through the phase difference layer 222, the linear polarized light can be converted into circularly polarized light. The material of the phase difference layer 222 may be a cycloolefin polymer, or of course other substances, which are not listed here in this disclosure. The barrier layer 223 can improve the physical and mechanical properties of the polarizer 22 and protect it from the influence of external water vapor.

[0058] As shown in Figure 2, in order to improve the light output gain, a color filter layer 19 is provided on the light output side of the light-emitting layer 16 instead of the polarizer 22. The color filter layer 19 is still provided on the side of the encapsulation layer 17 away from the driving backplane 10. The color filter layer 19 includes a black matrix 191 and a filter unit 192. Most of the ambient light will be absorbed through the black matrix 191, and there will be no light intensity attenuation in the light output area of ​​the light-emitting layer 16. The output light will be directly emitted from the filter unit 192, thereby improving the light output gain of the display panel. However, this will cause the output light of the light-emitting unit 162 with a larger oblique angle to directly enter the black matrix 191, resulting in a low utilization rate of the output light, which makes the display panel consume more power.

[0059] In order to improve the utilization rate of the light emitted by the light-emitting unit 162, an embodiment of the present disclosure provides a display panel. As shown in Figures 3 to 17, the display panel includes a driving backplane 10, a pixel defining layer 15, a plurality of pixel electrodes 161, a plurality of light-emitting units 162 of different colors, a common electrode 163, a first protective layer 181, a color filter layer 19 and a reflective layer 20. The pixel defining layer 15 is provided on one side of the driving backplane 10. The pixel defining layer 15 is provided with a plurality of pixel openings 151; the plurality of pixel electrodes 161 are respectively provided in different pixel openings 151; the plurality of light-emitting units 162 of different colors are respectively provided on each pixel electrode. 161 is away from the side of the driving backplane 10; the common electrode 163 is provided on the side of the plurality of light-emitting units 162 away from the driving backplane 10; the first protective layer 181 is provided on the side of the common electrode 163 away from the driving backplane 10, the first protective layer 181 includes a first protective portion 1811, the slope angle of the side of the first protective portion 1811 is greater than or less than 90 degrees; the color filter layer 19 includes a black matrix 191, the black matrix 191 covers the side of the first protective portion 1811, and the black matrix 191 is provided with a color resistance opening 1911, the color filter layer 19 includes a black matrix 191, the black matrix 191 covers the side of the first protective portion 1811, and the color filter layer 19 includes a black matrix 191. The blocking opening 1911 is provided with filter units 192 of different colors. The orthographic projection of the filter unit 192 of the same color on the driving backplane 10 overlaps with the orthographic projection of the light-emitting unit 162 of the same color on the driving backplane 10. The reflective layer 20 is provided between the black matrix 191 and the first protective portion 1811. The reflective layer 20 includes a first reflective portion 201. The first reflective portion 201 covers the side of the first protective portion 1811. Part of the emitted light of the light-emitting unit 162 is reflected to the same color as the light-emitting unit 162. Filter unit 192; when the slope angle of the side of the first protective portion 1811 is greater than 90 degrees, part of the outgoing light from the light emitting unit 162 is directly reflected by the first reflecting portion 201 to the filter unit 192 having the same color as the light emitting unit 162; when the slope angle of the side of the first protective portion 1811 is less than 90 degrees, part of the outgoing light from the light emitting unit 162 is reflected by the first reflecting portion 201 to the common electrode 163, and then reflected by the common electrode 163 to the filter unit 192 having the same color as the light emitting unit 162.

[0060] The reflective layer 20 is disposed between the black matrix 191 and the first protective portion 1811. The reflective layer 20 includes a first reflective portion 201, which covers the side of the first protective portion 1811. When the slope angle of the side of the first protective portion 1811 is greater than 90 degrees, a portion of the light emitted from the light-emitting unit 162 is directly reflected by the first reflective portion 201 to the filter unit 192 with the same color as the light-emitting unit 162. When the slope angle of the side of the first protective portion 1811 is less than 90 degrees, a portion of the light emitted from the light-emitting unit 162 is reflected by the first reflective portion 201 to the common electrode 163, and then reflected by the common electrode 163 to the filter unit 192 with the same color as the light-emitting unit 162. Utilizing the portion of the light emitted that is blocked by the black matrix 191 can improve light extraction efficiency and reduce power consumption of the display panel.

[0061] The display panel involved in the present disclosure is described in detail below with reference to specific embodiments.

[0062] The display panel involved in the embodiments of the present disclosure will be described in detail below with reference to specific embodiments.

[0063] As shown in FIG3 , a display panel generally includes a base substrate 11, a driving circuit layer 13, a planarization layer group 139, and a light-emitting layer 16. The driving circuit layer 13 is disposed on one side of the base substrate 11, the planarization layer group 139 is disposed on a side of the driving circuit layer 13 away from the base substrate 11, and the light-emitting layer 16 is disposed on a side of the planarization layer group 139 away from the base substrate 11. Furthermore, the display panel may further include a buffer layer 12 disposed between the base substrate 11 and the driving circuit layer 13.

[0064] The base substrate 11 may be an inorganic material or an organic material. For example, in one embodiment of the present disclosure, the base substrate 11 may be made of a glass material such as soda-lime glass, quartz glass, or sapphire glass, or may be made of a metal material such as stainless steel, aluminum, or nickel.

[0065] In another embodiment of the present disclosure, the substrate 11 may be a flexible substrate 11. For example, the substrate 11 may be made of polyimide (PI). The substrate 11 may also be a composite of multiple layers. For example, in one embodiment of the present disclosure, the substrate 11 may include a bottom film layer, a pressure-sensitive adhesive layer, a first polyimide layer, and a second polyimide layer stacked in sequence.

[0066] The driving circuit layer 13 is provided with a driving circuit for driving the light-emitting unit 162. The driving circuit is located in the display area. Any driving circuit may include a transistor, which may be a thin film transistor. The thin film transistor may be selected from a top-gate thin film transistor, a bottom-gate thin film transistor, or a dual-gate thin film transistor. Taking a top-gate thin film transistor as an example, the driving circuit layer 13 may include a first active layer 131, a first gate electrode 1331, a second gate electrode 1332, a first gate insulating layer 1321, a second gate insulating layer 1322, and a first source and drain metal layer, which are sequentially arranged in a direction away from the base substrate 11.

[0067] The first active layer 131 is disposed on one side of the base substrate 11. The material of the first active layer 131 can be amorphous silicon semiconductor material, low-temperature polysilicon semiconductor material, metal oxide semiconductor material, organic semiconductor material, or other types of semiconductor materials. Therefore, the thin film transistor can be an N-type thin film transistor or a P-type thin film transistor. The first active layer 131 can include a channel region and two doped regions of different doping types located on either side of the channel region.

[0068] The first gate insulating layer 1321 is arranged on a side of the active layer 131 away from the substrate 11. The first gate insulating layer 1321 may cover the active layer 131 and the substrate 11. The first gate 1331 layer may include a first gate 1331. The first gate 1331 is arranged on a side of the first gate insulating layer 1321 away from the substrate 11 and is opposite to the active layer 131. That is, the projection of the first gate 1331 on the substrate 11 is located within the projection range of the active layer 131 on the substrate 11. For example, the projection of the first gate 1331 on the substrate 11 coincides with the projection of the channel region of the active layer 131 on the substrate 11. The second gate insulating layer 1322 is disposed on a side of the first gate 1331 away from the substrate 11. The second gate insulating layer 1322 may cover the first gate 1331 and the first gate insulating layer 1321. The second gate 1332 layer may include a second gate 1332. The second gate 1332 is disposed on a side of the second gate insulating layer 1322 away from the substrate 11 and directly opposite the active layer 131. The first gate insulating layer 1321 and the second gate insulating layer 1322 are both made of insulating materials such as silicon oxide.

[0069] The thin film transistor may further include an interlayer dielectric layer 134, which is disposed on a side of the first gate electrode 1331 away from the base substrate 11. The interlayer dielectric layer 134 may cover the first gate electrode 1331 and the first gate insulating layer 1321. A first source-drain metal layer is disposed on a surface of the interlayer dielectric layer 134 away from the base substrate 11. The first source-drain metal layer may include a first source electrode 135 and a drain electrode 136. The first source electrode 135 and the drain electrode 136 are connected to the first active layer 131. For example, the first source electrode 135 and the drain electrode 136 are respectively connected to the two doped regions of the corresponding first active layer 131 through vias. A passivation layer may also be disposed on a side of the first source electrode 135 away from the base substrate 11, and the passivation layer covers the first source electrode 135 and the drain electrode 136.

[0070] The driving circuit layer 13 may further include a second source-drain metal layer, a first planarization layer 1391, and a second planarization layer 1392. The first planarization layer 1391 is provided on the side of the passivation layer away from the base substrate 11, and the first planarization layer 1391 covers the passivation layer. The second source-drain metal layer is provided on the side of the first planarization layer 1391 away from the base substrate 11, and the surface of the first planarization layer 1391 away from the base substrate 11 is flat. The second source-drain metal layer may further include a second source electrode 138, which is connected to the first source electrode 135. The second planarization layer 1392 is provided on the side of the second source electrode 138 away from the base substrate 11, and the second planarization layer 1392 covers the second source electrode 138 and the first planarization layer 1391.

[0071] The pixel defining layer 15 is disposed on the side of the first planarizing layer 1391 or the second planarizing layer 1392 away from the array substrate. The pixel defining layer 15 has a plurality of pixel openings 151. The light-emitting layer 16 may include a plurality of light-emitting units 162, each of which is disposed within a different pixel opening 151. Each light-emitting unit 162 may include a pixel electrode 161, a light-emitting unit 162, and a common electrode 163. The pixel electrode 161 is located on the surface of the first planarizing layer 1391 or the second planarizing layer 1392 away from the base substrate 11. The light-emitting unit 162 is disposed on the surface of the pixel electrode 161 away from the base substrate 11. The common electrode 163 is disposed on the surface of the light-emitting unit 162 away from the base substrate 11. The pixel electrodes 161 and the common electrode 163 can be used to drive the light-emitting units 162 to emit light, thereby displaying an image.

[0072] The pixel electrode 161 is connected to the first source electrode 135 or the second source electrode 138. A pixel defining layer 15 is provided on the side of the pixel electrode 161 away from the substrate 11. When the thin film transistor includes only the first source electrode 135, the pixel electrode 161 is connected to the first source electrode 135, and the pixel defining layer 15 covers the pixel electrode 161 and the first planarization layer 1391. When the thin film transistor also includes the second source electrode 138, the pixel electrode 161 is connected to the second source electrode 138, and the pixel defining layer 15 covers the pixel electrode 161 and the second planarization layer 1392.

[0073] The common electrode 163 can serve as a cathode, and the pixel electrode 161 can serve as an anode. The light-emitting unit 162 can be driven to emit light by applying a signal to the pixel electrode 161. The specific light-emitting principle will not be described in detail here. The light-emitting unit 162 may include an electro-induced organic light-emitting material and may be formed by a process such as evaporation. For example, the light-emitting unit 162 may include a hole injection layer, a hole transport layer, a light generating layer, an electron transport layer, and an electron injection layer sequentially stacked on the pixel electrode 161. It should be noted that the light-emitting unit 162 may include a red light-emitting unit 162, a green light-emitting unit 162, and a blue light-emitting unit 162, depending on the color of the light emitted.

[0074] In addition, the display panel of the present disclosure may further include an encapsulation layer 17. Encapsulation layer 17 is disposed on the side of light-emitting layer 16 away from substrate 11, thereby encapsulating light-emitting layer 16 and preventing corrosion by water and oxygen. Encapsulation layer 17 may have a single-layer or multi-layer structure, and the material of encapsulation layer 17 may include organic or inorganic materials, without particular limitation herein.

[0075] In this embodiment, the encapsulation layer 17 may include a first inorganic encapsulation layer 171, an organic encapsulation layer 172 and a second inorganic encapsulation layer 173. The first inorganic encapsulation layer 171 is arranged on the side of the light-emitting layer 16 away from the base substrate 11, the organic encapsulation layer 172 is arranged on the side of the first inorganic encapsulation layer 171 away from the base substrate 11, and the second inorganic encapsulation layer 173 is arranged on the side of the organic encapsulation layer 172 away from the base substrate 11.

[0076] The display panel also includes a touch control layer 18, which may include a first protective layer 181 and a first tactile metal layer 182. The first protective layer 181 is provided on a side of the encapsulation layer 17 away from the base substrate 11, the first tactile metal layer 182 is provided on a side of the first protective layer 181 away from the base substrate 11, and the covering layer 21 is provided on a side of the first tactile metal layer 182 away from the base substrate 11.

[0077] As shown in Figure 4, the touch control layer 18 can be a mutual capacitive touch control. The touch control layer 18 can also include a second protective layer 183 and a second touch metal layer 184. The second touch metal layer 184 is arranged between the packaging layer 17 and the first protective layer 181, and the second covering layer 21 is arranged between the second touch metal layer 184 and the packaging layer 17.

[0078] The first touch-sensitive metal layer 182 may be a metal mesh layer (MM), and the second touch-sensitive metal layer 184 may be a bridge metal layer (BM). The first touch-sensitive metal layer 182 may be a bridge metal layer (BM), and the second touch-sensitive metal layer 184 may be a metal mesh layer (MM).

[0079] The first protective layer 181 may include a first protective portion 1811 and a second protective portion 1812. The side of the second protective portion 1812 away from the driver backplane 10 is connected to the side of the first protective portion 1811. The thickness of the second protective portion 1812 is 0.25-0.5 times the thickness of the first protective portion 1811. Because the thickness of the second protective portion 1812 is less than that of the first protective portion 1811, a groove 1813 can be formed between two adjacent first protective portions 1811. In this embodiment, the thickness of the first protective portion 1811 is 1 μm-4 μm.

[0080] As shown in Figures 3 and 4, the display panel also includes a color filter layer 19, which includes a black matrix 191. The black matrix 191 is arranged in the groove 1813, extending from the side of the second protection portion 1812 away from the base substrate 11 to the side covering the first protection portion 1811. A color resist opening 1911 is provided on the black matrix 191, and the orthographic projection of the color resist opening 1911 on the base substrate 11 is located within the orthographic projection of the first protection portion 1811 on the base substrate 11. Filter units 192 of different colors are provided in the color resist opening 1911. The filter units 192 fill the color resist opening 1911 and overlap the area of ​​the black matrix 191 located outside the color resist opening 1911. The filter units 192 of different colors may include a red filter unit 1921 , a green filter unit 1922 and a blue filter unit 1923 , and the orthographic projection of the filter unit 192 of the same color on the driving backplane 10 overlaps with the orthographic projection of the light emitting unit 162 of the same color on the driving backplane 10 .

[0081] A reflective layer 20 is provided between the black matrix 191 and the first protective portion 1811. It is constructed from the same material as the first tactile metal layer 182 and is intermittently spaced. Silver is the preferred material for the reflective layer 20, considering reflectivity. The reflective layer 20 includes a first reflective portion 201, which covers the side surfaces of the first protective portion 1811. Therefore, the first reflective portion 201 has the same inclination angle relative to the side of the first protective layer 181 facing away from the substrate 11 as the side surfaces of the first protective portion 1811.

[0082] As shown in Figure 5, the slope angle of the side surface of the first protection portion 1811 is less than 90 degrees. Therefore, the first reflective portion 201 is tilted at an angle less than 90 degrees relative to the side of the first protection layer 181 away from the base substrate 11. When the first reflective portion 201 is tilted at an angle less than 90 degrees relative to the side of the first protection layer 181 away from the base substrate 11, a portion of the light emitted by the light-emitting unit 162 is reflected by the first reflective portion 201 to the common electrode 163, and then reflected by the common electrode 163 to the filter unit 192 that is directly opposite the light-emitting unit 162 and has the same color as the light-emitting unit 162. It should be noted that the slope angle is the angle between the side surface of the first protection portion 1811 and the side of the first protection layer 181 that is closer to the base substrate 11.

[0083] As shown in Figure 6, the slope angle of the side of the first protective portion 1811 can also be greater than 90 degrees. At this time, the inclination angle of the first reflecting portion 201 relative to the side of the first protective layer 181 away from the base substrate 11 is greater than 90 degrees. When the inclination angle of the first reflecting portion 201 relative to the side of the first protective layer 181 away from the base substrate 11 is greater than 90 degrees, part of the emitted light of the light-emitting unit 162 is directly reflected by the first reflecting portion 201 to the filter unit 192 which is opposite to the light-emitting unit 162 and has the same color.

[0084] The side of the first protection portion 1811 that is away from the driver backplane 10 is the first side. To ensure that light emitted from the periphery of the light-emitting unit 162 can also be incident on the first reflective portion 201, the orthographic projection of the light-emitting unit 162 on the driver backplane 10 is within the orthographic projection of the first side of the driver backplane 10 located on the first protection portion 1811 on the driver backplane 10. When the slope angle of the side surface of the first protection portion 1811 is less than 90 degrees, the slope angle of the side surface of the first protection portion 1811 can be set between 40 degrees and 65 degrees, so that the first protection portion 1811 can reflect more of the emitted light to the side of the common electrode 163 away from the base substrate 11.

[0085] In order to prevent the first reflecting portion 201 from being formed on the side of the second protecting portion 1812 away from the base substrate 11, the side of the second protecting portion 1812 away from the driving backplane 10 includes a first surface and a second surface, the second surface is located at both ends of the first surface, the second surface is connected to the side of the first protecting portion 1811, and the second surface is inclined toward the side close to the driving backplane 10, so that a recessed portion is formed between the second surface of the second protecting portion 1812 and the side of the first protecting portion 1811, and the first reflecting portion 201 extends into the recessed portion and contacts the second surface of the second protecting portion 1812.

[0086] As shown in Figures 7 and 8, the reflective layer 20 may further include a second reflective portion 202, which covers a surface of the first protective portion 1811 away from the driver backplane 10. The second reflective portion 202 may be integrally formed with the first reflective portion 201. As shown in Figure 8, when the slope angle of the side surface of the first protective portion 1811 is greater than 90 degrees, the outgoing light is reflected by the first reflective portion 201 to the surface of the second reflective portion 202 closer to the base substrate 11, and then reflected from the surface of the second reflective portion 202 closer to the base substrate 11 to the surface of the common electrode 163 away from the base substrate 11. Finally, it is reflected from the surface of the common electrode 163 away from the base substrate 11 to the filter unit 192 that is directly opposite the light-emitting unit 162 and has the same color as the light-emitting unit 162.

[0087] As shown in Figures 9 and 10, when the slope angle of the side of the first protective portion 1811 is less than 90 degrees, a first protrusion 152 is provided on the side of the pixel defining layer 15 away from the driving backplane 10. The first protrusion 152 is located near the pixel opening 151. A pair of first protrusions 152 are provided around each pixel opening 151. Each pair of first protrusions 152 includes two first protrusions 152. The reflected light of the second reflecting portion 202 passes through the side of the first protrusion 152 away from the pixel opening 151 and the side of the first protrusion 152 close to the pixel opening 151 in turn, and is reflected from the filter unit 192 which is opposite to the light-emitting unit 162 and has the same color as the light-emitting unit, thereby further improving the light output efficiency of the display panel.

[0088] The side of the pixel defining layer 15 facing away from the driver backplane 10 may also be provided with two pairs of first protrusions 152, three pairs of first protrusions 152, or even more pairs (not listed here), with the goal of maximizing the amount of light reflected from the second reflective portion 202 being reflected toward the filter unit 192, which is directly opposite the light-emitting unit 162 and has the same color as the light-emitting unit 162. Because the common electrode 163 generally has a certain light transmittance, the color of the pixel defining layer 15 is set to black to prevent ambient light from being reflected by the pixel defining layer 15 toward the filter unit 192, where it would be emitted from the filter unit 192 and affect the contrast of the display panel.

[0089] As shown in FIG9 , the cross-sectional shape of the first protrusion 152 is a trapezoidal protrusion. The slope angle of the side of the first protrusion 152 is 40-65 degrees. The width of the first protrusion 152 on the side away from the driver backplate 10 is 1-4 times the thickness of the pixel defining layer 15, and the height of the first protrusion 152 is 0.5-2 times the thickness of the pixel defining layer 15. In this embodiment, the height of the first protrusion 152 is 1 μm-2 μm, and the width of the first protrusion 152 on the side away from the driver backplate 10 is 1 μm-3 μm. To facilitate the manufacture of the first protrusions 152, the distance between two adjacent first protrusions 152 is set to be greater than 3 μm.

[0090] As shown in Figure 10, the cross-sectional shape of the first protrusion 152 can also be an arc-shaped protrusion, so that the reflected light of the second reflecting part 202 can be reflected at different reflection angles to the filter unit 192 which is opposite to the light-emitting unit 162 and has the same color, thereby improving the uniformity of the light emission of the light-emitting unit 162.

[0091] The display panel may further include a cover layer 21, which is disposed on the side of the color filter layer 19 away from the driver backplane 10. The side of the cover layer 21 away from the driver backplane 10 is a flat surface. It can be seen that the final emission angle of the outgoing light utilized by the reflective layer 20 is at a certain angle to the perpendicular to the surface of the filter unit 192, and is not perpendicular to the surface of the light-emitting unit 162. As a result, the utilization rate of the outgoing light is still low, and therefore it is necessary to further improve the utilization rate of the outgoing light.

[0092] As shown in Figures 11 to 14, a second protrusion 1924 can be provided on the side of the filter unit 192 facing away from the driver backplane 10. The second protrusion 1924 is provided on the reflected light path of the first protrusion 152 of each pair of first protrusions 152, which is closer to the light-emitting unit 162. The refractive index of the material of the filter unit 192 is greater than the refractive index of the material of the cover layer 21. After the outgoing light is refracted at the interface between the side of the second protrusion 1924 and the cover layer 21, the exit angle of the outgoing light becomes smaller. The refractive index of the filter unit 192 can be 1.6-1.7, and the refractive index of the cover layer 21 can be 1.47.

[0093] In addition to providing a second protrusion 1924 in the reflected light path of the first protrusion 152 near the light-emitting unit 162, a second protrusion 1924 can also be provided in other areas of the filter unit 192 on the side facing away from the base substrate 11 to collimate oblique light directly incident on the filter unit 192 from the light-emitting unit 162. In this embodiment, the second protrusion 1924 has a triangular cross-section, with a slope angle of 40-60 degrees on the side of the second protrusion 1924. The height of the second protrusion 1924 is 0.25-0.5 times the thickness of the filter unit 192, and the width of the second protrusion 1924 on the side facing the base substrate 11 is 1-2 times the thickness of the filter unit 192. Specifically, the height of the second protrusion 1924 can be 1-2 μm, and the width of the second protrusion 1924 on the side facing the base substrate 11 can be 3-5 μm. As shown in the figure, the cross-section of the second protrusion 1924 can also be an arcuate protrusion.

[0094] The distance between the side of the second protrusion 1924 close to the driving backplane 10 and the driving backplane 10 is greater than the distance between the side of the black matrix 191 away from the driving backplane 10 and the driving backplane 10. It can be understood that the second protrusion 1924 protrudes from the side of the black matrix 191 away from the base substrate 11, which can prevent the refracted light of the second protrusion 1924 located on the periphery of the filter unit 192 from being blocked by the black matrix 191, thereby affecting the utilization rate of the outgoing light. In particular, when the cross-sectional shape of the second protrusion 1924 is an arc-shaped protrusion, the refracted light of the second protrusion 1924 is not all emitted along the surface perpendicular to the filter unit 192, and there are also some oblique refracted light. The second protrusion 1924 protrudes from the side of the black matrix 191 away from the base substrate 11, which can effectively prevent the oblique refracted light from being blocked by the black matrix 191.

[0095] There are various combinations of the shapes of second protrusions 1924 and first protrusions 152. As shown in FIG11 , when the cross-sectional shape of second protrusions 1924 is triangular, the cross-sectional shape of first protrusions 152 is trapezoidal. As shown in FIG12 , when the cross-sectional shape of second protrusions 1924 is arcuate, the cross-sectional shape of first protrusions 152 is trapezoidal. As shown in FIG13 , when the cross-sectional shape of second protrusions 1924 is triangular, the cross-sectional shape of first protrusions 152 is arcuate. As shown in FIG14 , when the cross-sectional shape of second protrusions 1924 is arcuate, the cross-sectional shape of first protrusions 152 is arcuate.

[0096] As shown in Figure 15, the first protrusion 152 may include a closed first annular ridge, and the second protrusion 1924 may include a closed second annular ridge, the second annular ridge is located on the reflected light path of the first annular ridge near the pixel opening 151, the shape of the second annular ridge is similar to the shape of the first annular ridge, and the positive projections of a pair of first annular ridges on the driving back plate 10 are located on the periphery of the positive projections of the second annular ridge on the driving back plate 10.

[0097] As shown in Figure 16, the first protrusion 152 may include multiple first protrusion units, and the second protrusion 1924 includes multiple second protrusion units. At least one pair of second protrusion units are respectively provided on both sides away from each other of the two first protrusion units close to the pixel opening 151. The first protrusion unit and the second protrusion unit are in the shape of long strips, and the second protrusion unit is parallel to the first protrusion unit.

[0098] As shown in Figure 17 , another second protruding unit can be provided between the two second protruding units corresponding to the two pairs of first protruding units. This second protruding unit can collimate the light normally emitted from the light emitting unit 162 through the filter unit 192, directing it perpendicularly to the surface of the filter unit 192. As shown in Figure 18 , the cross-sectional shape of the second protruding unit can be a triangular protrusion, while as shown in Figure 19 , the cross-sectional shape of the second protruding unit can be an arcuate protrusion. Of course, another second annular protrusion can also be provided inside the two second annular protrusions corresponding to the two first annular protrusions to collimate the light normally emitted from the light emitting unit 162 through the filter unit 192.

[0099] As shown in Figure 20, the first protrusion 152 can include a first annular convex strip and a first protruding unit at the same time, and the second protrusion 1924 can include a second annular convex strip and a second protruding unit at the same time. The first protruding unit can be symmetrically arranged on both sides of the first annular convex strip, and the second protruding unit can be symmetrically arranged on both sides of the second annular convex strip. Through this combination, the collimated output amount of the reflected light of the second reflecting part 202 can be increased, and the utilization rate of the output light of the light-emitting unit 162 can be further improved.

[0100] The present disclosure also provides a display device, which may include any one of the display panels of the present disclosure. The specific structure and beneficial effects of the display panel have been described in detail above, so they will not be repeated here.

[0101] It should be noted that, in addition to the display panel, the display device also includes other necessary components and components, such as a housing, a circuit board, a power cord, etc. Those skilled in the art can make corresponding supplements based on the specific usage requirements of the display device, which will not be repeated here.

[0102] The display device can also be an emerging wearable device, such as a virtual reality device and an augmented reality device, or a traditional electronic device, such as a mobile phone, a computer, a television, and a camcorder. These are not listed here one by one.

[0103] Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or customary techniques in the art not disclosed herein. The description and examples are to be considered as exemplary only, with the true scope and spirit of the present disclosure being indicated by the appended claims.

Claims

1. A display panel, wherein, Comprising: A driving backplane; A pixel defining layer disposed on one side of the driving backplane, the pixel defining layer having a plurality of pixel openings; A plurality of pixel electrodes respectively disposed in different pixel openings; A plurality of light emitting units of different colors respectively disposed on the side of each pixel electrode away from the driving backplane; A common electrode disposed on the side of the plurality of light emitting units away from the driving backplane; A first protective layer disposed on the side of the common electrode away from the driving backplane, the first protective layer including a first protection portion, and the slope angle of the side surface of the first protection portion being greater than or less than 90 degrees; A color filter layer including a black matrix, the black matrix covering the side surface of the first protection portion, the black matrix having color resist openings, and different color filter units being disposed in the color resist openings, and the orthographic projection of the same color filter units on the driving backplane overlapping with the orthographic projection of the same color light emitting units on the driving backplane; A reflective layer disposed between the black matrix and the first protection portion, the reflective layer including a first reflection portion, the first reflection portion covering the side surface of the first protection portion; When the slope angle of the side surface of the first protection portion is greater than 90 degrees, a part of the emitted light of the light emitting unit is directly reflected by the first reflection portion to the color filter unit having the same color as the light emitting unit; when the slope angle of the side surface of the first protection portion is less than 90 degrees, a part of the emitted light of the light emitting unit is reflected by the first reflection portion to the common electrode and then reflected by the common electrode to the color filter unit having the same color as the light emitting unit.

2. The display panel according to claim 1, wherein, The surface of the first protection portion away from the driving backplane is a first surface, and the orthographic projection of the light emitting unit on the driving backplane is within the orthographic projection of the first surface of the first protection portion on the driving backplane on the driving backplane.

3. The display panel according to claim 1, wherein, When the slope angle of the side surface of the first protection portion is less than 90 degrees, the slope angle of the side surface of the first protection portion is between 40 degrees and 65 degrees.

4. The display panel according to claim 1, wherein, The reflective layer further includes a second reflection portion, and the second reflection portion covers the surface of the first protection portion away from the driving backplane.

5. The display panel according to claim 4, wherein, When the slope angle of the side surface of the first protection portion is less than 90 degrees, a first protrusion is provided on the surface of the pixel defining layer away from the driving backplane, the first protrusion is disposed close to the pixel opening, at least one pair of first protrusions is provided around each pixel opening, each pair of first protrusions includes two first protrusions, and the reflected light of the second reflection portion sequentially passes through the side surfaces of the first protrusions away from the pixel opening and the side surfaces of the first protrusions close to the pixel opening and is reflected and exits from the color filter unit.

6. The display panel according to claim 5, wherein, The cross-sectional shape of the first protrusion is a trapezoidal protrusion, and the slope angle of the side surface of the first protrusion is 40 degrees - 65 degrees.

7. The display panel according to claim 5, wherein, The cross-sectional shape of the first protrusion is an arc-shaped protrusion.

8. The display panel according to claim 6 or 7, wherein, The height of the first protrusion is 0.5 - 2 times the thickness of the pixel defining layer, and the width of the surface of the first protrusion away from the driving backplane is 1 - 4 times the thickness of the pixel defining layer.

9. The display panel according to claim 1, wherein, The first protective layer further includes a second protective portion, the second protective portion is connected between two adjacent first protective portions, a side of the second protective portion away from the driving backplane is connected to a side surface of the first protective portion, and a thickness of the second protective portion is 0.25-0.5 times that of the first protective portion.

10. The display panel according to claim 9, wherein, A side of the second protective portion away from the driving backplane includes a first surface and a second surface, the second surface of the second protective portion is located at two ends of the first surface, the second surface of the second protective portion is connected to the side surface of the first protective portion, the second surface of the second protective portion inclines towards a side close to the driving backplane, and the first reflective portion extends to contact the second surface of the second protective portion.

11. The display panel according to claim 5, wherein, The display panel further includes a cover layer, the cover layer is disposed on a side of the color filter layer away from the driving backplane, and a side of the cover layer away from the driving backplane is a plane.

12. The display panel according to claim 11, wherein, A second protrusion is disposed on a side of the light filtering unit away from the driving backplane, the second protrusion is disposed on a reflection light path of the first protrusion closer to the light emitting unit in each pair of the first protrusions, a refractive index of a material of the light filtering unit is greater than a refractive index of a material of the cover layer, and an exit angle of the exit light becomes smaller after passing through an interface between a side surface of the second protrusion and the cover layer.

13. The display panel according to claim 12, wherein, A distance between a side of the second protrusion close to the driving backplane and the driving backplane is greater than a distance between a side of the black matrix away from the driving backplane and the driving backplane.

14. The display panel according to claim 12, wherein, The first protrusion includes a closed first annular rib, the second protrusion includes a closed second annular rib, a shape of the second annular rib is similar to that of the first annular rib, and a positive projection of a pair of the first annular ribs on the driving backplane is located on an outer periphery of a positive projection of the second annular rib on the driving backplane.

15. The display panel according to claim 12, wherein, The first protrusion includes a plurality of first protruding units, the second protrusion includes a plurality of second protruding units, at least one pair of the second protruding units are respectively disposed on two sides of two mutually remote first protruding units close to a pixel opening, shapes of the first protruding unit and the second protruding unit are strip-shaped, and the second protruding unit is parallel to the first protruding unit.

16. The display panel according to claim 13, wherein, A cross section of the second protrusion is a triangular protrusion, and a slope angle of a side surface of the second protrusion is 40 degrees - 60 degrees.

17. The display panel according to claim 13, wherein, A height of the second protrusion is 0.25-0.5 times that of the light filtering unit, and a width of a side of the second protrusion close to the driving backplane is 1-2 times that of the light filtering unit.

18. The display panel according to claim 13, wherein, A cross section shape of the second protrusion is an arc-shaped protrusion.

19. The display panel according to claim 1, wherein, The display panel further includes a first touch metal layer, and the reflective layer and the first touch metal layer are provided with the same layer and the same material.

20. The display panel according to claim 1, wherein, The display panel further includes a packaging layer, and the packaging layer is disposed between the common electrode and the first protective layer.

21. The display panel according to claim 1, wherein, A color of the pixel defining layer is black.

22. The display panel according to claim 1, wherein, A positive projection of the first surface of the first protective portion on the driving backplane covers a positive projection of the same column of the light emitting units on the driving backplane.

23. A display device, wherein, A display panel according to any one of claims 1 to 22.

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