CN115701235A - Display panel and display device - Google Patents

Abstract

The disclosure relates to the technical field of display, and provides a display panel and a display device. The display panel may include: driving the back plate; the pixel defining layer is arranged on the driving backboard and is provided with a pixel opening; a light emitting unit disposed at the pixel opening; the light adjusting structure is arranged on one side, away from the driving backboard, of the pixel defining layer and is used for condensing emergent light of the light emitting unit; the color film layer is arranged on one side of the dimming structure and comprises a black matrix and a color resistance block, a color resistance opening is arranged in the area, corresponding to the light-emitting unit, of the black matrix, and the color resistance block is located in the color resistance opening. The present disclosure can reduce power consumption.

Description

Display panel and display device

Technical Field

The invention relates to the technical field of display, in particular to a display panel and a display device.

Background

An OLED (Organic Light Emitting Diode) display device has a series of advantages such as an all-solid structure, self-luminescence, fast response speed, high brightness, a full viewing angle, and flexible display, and thus becomes a display device with high competitiveness and good development prospect. However, the current OLED display device has a problem of large power consumption.

Disclosure of Invention

An object of the present disclosure is to provide a display panel and a display device capable of reducing power consumption.

According to an aspect of the present disclosure, there is provided a display panel including:

driving the back plate;

the pixel defining layer is arranged on the driving backboard and is provided with a pixel opening;

a light emitting unit disposed at the pixel opening;

the light adjusting structure is arranged on one side, away from the driving backboard, of the pixel defining layer and is used for condensing emergent light of the light emitting unit;

the color film layer is arranged on one side of the dimming structure and comprises a black matrix and a color resistance block, the black matrix is provided with a color resistance opening corresponding to the area of the light emitting unit, and the color resistance block is positioned in the color resistance opening.

Further, the dimming structure includes:

the light condensing unit is arranged on the light emitting side of the light emitting unit;

and the light modulation layer covers the surface of the light condensation unit, which is opposite to the light emitting unit, and the refractive index of the light modulation layer is different from that of the light condensation unit.

Furthermore, the surface of the light-gathering unit, which faces away from the light-emitting unit, is a curved surface protruding outwards; the refractive index of the light modulation layer is smaller than that of the light condensation unit.

Furthermore, the refractive index of the light modulation layer is 1.4-1.65, and the refractive index of the light condensation unit is 1.65-1.9.

Further, the thickness of the light condensing unit is 1-4 μm, the surface of the light modulation layer opposite to the light emitting unit is a plane, and the distance between the surface of the light modulation layer opposite to the light emitting unit and the surface of the light condensing unit close to the light emitting unit is 10-30 μm.

Further, the slope angle between the surface of the light condensing unit facing away from the light emitting unit and the driving back plate is greater than 50 °.

Further, the dimming structure further includes:

the light leakage prevention unit is arranged on one side, back to the driving backboard, of the pixel defining layer, and the orthographic projections of the light leakage prevention unit on the driving backboard are located between the orthographic projections of the two adjacent light condensation units on the driving backboard; the light modulation layer covers the surface of the light leakage prevention unit, which faces away from the pixel defining layer;

the refractive index of the light leakage prevention unit is greater than that of the light modulation layer, and the surface of the light leakage prevention unit, which is back to the pixel defining layer, is an inwardly concave curved surface; or alternatively

The refractive index of the light leakage prevention unit is smaller than that of the light modulation layer, and the surface of the light leakage prevention unit, which faces away from the pixel defining layer, is a plane or a curved surface protruding outwards.

Furthermore, the surface of the light leakage preventing unit, which faces away from the pixel defining layer, is an inwardly concave curved surface, and the ratio of the depth of a concave area of the surface of the light leakage preventing unit, which faces away from the pixel defining layer, to the thickness of the light condensing unit is greater than 0.8; in the thickness direction perpendicular to the display panel, the ratio of the size of the light leakage prevention unit to the size of the light condensation unit is more than 0.8.

Furthermore, the surface of the light-gathering unit, which is back to the light-emitting unit, is a plane or an inwardly concave curved surface; the refractive index of the light modulation layer is smaller than that of the light condensation unit.

Further, orthographic projections of the pixel opening and the color resistance opening on the driving back plate are at least partially overlapped with orthographic projections of the light condensing unit on the driving back plate.

Furthermore, the orthographic projections of the pixel opening and the color resistance opening on the driving back plate are both located in the orthographic projection area of the light condensing unit on the driving back plate.

Further, the display panel further includes:

an encapsulation layer covering the pixel defining layer and the light emitting unit;

the light-adjusting structure comprises a packaging layer, a light-adjusting structure and a light-adjusting structure, wherein the packaging layer is arranged on the surface, back to the driving backboard, of the packaging layer, and the light-adjusting structure is arranged on one side, far away from the driving backboard, of the touch layer.

According to an aspect of the present disclosure, a display device is provided, which includes the display panel described above.

According to the display panel and the display device, the arranged dimming structure is located on one side, away from the driving backboard, of the pixel defining layer and can condense emergent light of the light-emitting unit, so that emergent light of the light-emitting unit under a large visual angle is reduced, emergent light absorbed by a black matrix can be reduced, light waste is avoided, and the utilization rate of the emergent light of the light-emitting unit is improved; meanwhile, the light condensing unit changes the emergent light of the light emitting unit under the large visual angle into the emergent light under the narrow visual angle, so that the light emitting efficiency of the front face of the display panel under the narrow visual angle is improved, and the power consumption is reduced.

Drawings

Fig. 1 is a schematic view of a display panel in the related art.

Fig. 2 is another schematic diagram of a display panel in the related art.

Fig. 3 is a schematic diagram of a display panel of an embodiment of the present disclosure.

Fig. 4 is another schematic view of a display panel according to an embodiment of the present disclosure.

Fig. 5 is yet another schematic diagram of a display panel of an embodiment of the present disclosure.

Fig. 6 is a schematic view of a display panel having a light leakage preventing unit according to an embodiment of the present disclosure.

Fig. 7 is a schematic view of a display panel with a touch layer according to an embodiment of the disclosure.

Fig. 8 is another schematic view of a display panel having a light leakage preventing unit according to an embodiment of the present disclosure.

Fig. 9 is still another schematic view of a display panel having a light leakage preventing unit according to an embodiment of the present disclosure.

Description of reference numerals: 1. driving the back plate; 2. a light emitting unit; 3. a pixel defining layer; 301. a pixel opening; 4. a packaging layer; 5. a light modulating structure; 501. a light condensing unit; 5011. a first surface; 502. a dimming layer; 503. a light leakage preventing unit; 6. a color film layer; 601. a black matrix; 6011. opening the color resistor; 602. a color block; 603. a protective film; 7. a first touch electrode; 8. a second touch electrode; 9. a bridging layer; 10. a first insulating layer; 11. a second insulating layer; 12. a circular polarizer.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

In the related art, as shown in fig. 1, for a common OLED module structure, in order to reduce the reflectivity, a circular polarizer 12 is generally attached on the encapsulation layer 4, but the lowest thickness of the circular polarizer 12 for the OLED in the market currently reaches more than 60 μm, and the transmittance is only 40% -45%, which is quite disadvantageous for reducing the thickness of the screen and the power consumption, so as shown in fig. 2, OLED manufacturers have tried a COE design by preparing a color film layer 6 on the encapsulation layer 4 to replace the circular polarizer 12. According to simulation, the transmittance of the color film layer 6 can reach at least 50%, and is greatly improved compared with that of the circular polarizer 12. In the COE structure, due to the existence of the black matrix 601, light emitted from the COE structure at a large viewing angle can be absorbed by the black matrix 601, so that the viewing angle brightness attenuation of the COE structure is larger than that of the ordinary POL structure, and the COE structure is more suitable for manufacturing a peep-proof screen. However, since the light emitted from the large viewing angle is absorbed by the black matrix 601, the light is wasted, and the utilization rate of the light emitted from the light emitting unit 2 is reduced.

The disclosed embodiments provide a display panel. As shown in fig. 3, the display panel may include a driving back plate 1, a pixel defining layer 3, a light emitting unit 2, a light adjusting structure 5 and a color film layer 6, wherein:

the pixel defining layer 3 is disposed on the driving backplane 1 and has a pixel opening 301. The light emitting unit 2 is disposed in the pixel opening 301. The light-adjusting structure 5 is disposed on a side of the pixel defining layer 3 away from the driving backplane 1, and is used for condensing the light emitted from the light-emitting unit 2. The color film layer 6 is disposed on one side of the light adjusting structure 5 and includes a black matrix 601 and a color block 602. The black matrix 601 is provided with a color resist opening 6011 in a region corresponding to the light emitting unit 2. The color-resist block 602 is located in the color-resist opening 6011.

According to the display panel of the embodiment, the arranged dimming structure 5 is positioned on one side of the pixel defining layer 3, which is far away from the driving backboard 1, and can condense emergent light of the light emitting unit 2, so that emergent light of the light emitting unit 2 under a large viewing angle is reduced, emergent light absorbed by the black matrix 601 can be reduced, light waste is avoided, and the utilization rate of the emergent light of the light emitting unit 2 is improved; meanwhile, the light condensing unit 501 changes the emergent light of the light emitting unit 2 at a large viewing angle into the emergent light at a narrow viewing angle, so that the light emitting efficiency of the front of the display panel at the narrow viewing angle is improved, and the power consumption is reduced.

The following describes each part of the display panel according to the embodiment of the present disclosure in detail:

the driving backplate 1 may comprise a substrate and a driving circuit layer. The substrate may be a rigid substrate. The rigid substrate may be a glass substrate or a PMMA (Polymethyl methacrylate) substrate. Of course, the substrate may also be a flexible substrate. The flexible substrate may be a PET (Polyethylene terephthalate) substrate, a PEN (Polyethylene naphthalate) substrate, or a PI (Polyimide) substrate. The driver circuit layer may be provided on the substrate. The driving circuit layer may include a plurality of driving transistors. The driving transistor may be a thin film transistor, but the disclosed embodiments are not limited thereto. The thin film transistor may be a top gate thin film transistor, and of course, the thin film transistor may also be a bottom gate thin film transistor. Taking the thin film transistor as a top gate thin film transistor as an example, the driving circuit layer may include an active layer, a gate insulating layer, a gate electrode, an interlayer insulating layer, a source electrode, and a drain electrode. The active layer may be disposed on the substrate. The gate insulating layer may be provided on the substrate and cover the active layer. The gate electrode may be provided on a side of the gate insulating layer remote from the substrate. The interlayer insulating layer may be disposed on the gate insulating layer and cover the gate electrode. The source and drain electrodes may be provided on the interlayer insulating layer and connected to the active layer via a via hole passing through the interlayer insulating layer and the gate insulating layer. In addition, the driving backplate 1 may further include a planarization layer. The planarization layer may be disposed on a surface of the driving circuit layer facing away from the substrate, and cover the source and the drain of the driving transistor.

The pixel definition layer 3 is disposed on the driving backplane 1. The pixel defining layer 3 may be disposed on the planarization layer. The pixel defining layer 3 may be provided with pixel openings 301. The number of the pixel openings 301 is plural, and the plural pixel openings 301 are distributed in an array.

The light emitting unit 2 may include an anode layer, an organic electroluminescent material layer, and a cathode layer, which are stacked. The light emitting unit 2 may be provided at the pixel opening 301. Specifically, the anode layer of the light emitting unit 2 may be disposed at the pixel opening 301 and connected to the source or the drain of the driving transistor via a via hole passing through the planarization layer, the organic electroluminescent material layer may be disposed at a side of the anode layer away from the driving backplane 1, and the cathode layer may be disposed at a side of the organic electroluminescent material layer away from the anode layer. The number of the light emitting units 2 may be plural, and the plural light emitting units 2 may include a red light emitting unit, a blue light emitting unit, and a green light emitting unit. The light emitting units 2 are disposed in the pixel openings 301 in a one-to-one correspondence. In addition, as shown in fig. 3, the display panel of the present disclosure may further include an encapsulation layer 4. The encapsulation layer 4 covers the light emitting unit 2 and the pixel defining layer 3. The encapsulation layer 4 may be a thin film encapsulation layer (TFE), but the embodiment of the present disclosure is not particularly limited thereto.

The light adjusting structure 5 is disposed on a side of the pixel defining layer 3 away from the driving backplane 1, and is configured to condense the light emitted from the light emitting unit 2. The light-adjusting structure 5 may be disposed on a side of the encapsulation layer 4 away from the driving backplane 1. As shown in fig. 3, the dimming structure 5 may include a light condensing unit 501 and a dimming layer 502. The light-focusing unit 501 may be disposed on a side of the package layer 4 away from the driving backplane 1 and on a light-emitting side of the light-emitting unit 2. Wherein, the orthographic projection of the light condensing unit 501 on the driving back plate 1 is at least partially overlapped with the orthographic projection of the pixel opening 301 on the driving back plate 1. Further, the orthographic projection of the pixel opening 301 on the driving back plate 1 is located in the orthographic projection area of the light condensing unit 501 on the driving back plate 1. The number of the light condensing units 501 may be multiple, the multiple light condensing units 501 correspond to the multiple pixel openings 301 one by one, and the orthographic projection of each light condensing unit 501 on the driving backplane 1 coincides with the orthographic projection of the corresponding pixel opening 301 on the driving backplane 1. The light collection unit 501 may include opposing first and second surfaces 5011 and 5011. The first surface 5011 faces away from the light emitting unit 2 and the second surface faces the light emitting unit 2. In addition, the orthographic projection of the light condensing unit 501 on the driving back plate 1 may be a quadrangle, the length of which may be 10 μm to 40 μm, and the width of which may be 10 μm to 40 μm, but the embodiment of the present disclosure is not limited thereto. The light-gathering unit 501 may be manufactured by a photolithography process, and of course, may also be manufactured by printing.

The dimming layer 502 covers a surface of the light condensing unit 501 facing away from the light emitting unit 2, that is, the dimming layer 502 covers a first surface 5011 of the light condensing unit 501. In addition, the light adjusting layer 502 may also cover the encapsulation layer 4. The refractive index of the dimming layer 502 is different from that of the light condensing unit 501, so that the outgoing light of the light emitting unit 2 is condensed after passing through the light condensing unit 501 and the dimming layer 502.

In an embodiment of the present disclosure, as shown in fig. 3, the refractive index of the light adjusting layer 502 is smaller than that of the light condensing unit 501, and the first surface 5011 is a curved surface protruding outward. Wherein, the refractive index of the light modulation layer 502 can be 1.4-1.65, such as 1.4, 1.45, 1.5, 1.65, etc.; the refractive index of the light-condensing unit 501 may be 1.65-1.9, such as 1.65, 1.7, 1.8, 1.9, etc. The thickness of the light-collecting unit 501 may be 1 μm to 4 μm, for example, 1 μm, 2 μm, 3 μm, 4 μm, or the like. Further, as shown in fig. 3, the maximum dimension H of the light condensing unit 501 in the thickness direction of the display panel ₁ It may be 1 μm to 4 μm, for example, 1 μm, 2 μm, 3 μm, 4 μm, etc. The surface of the dimming layer 502 facing away from the light emitting unit 2 is planar, i.e. the surface of the dimming layer 502 facing away from the light emitting unit 2 is substantially flat, and the surface of the dimming layer 502 facing away from the light emitting unit 2 is parallel to the substrate. The distance H between the surface of the light-adjusting layer 502 facing away from the light-emitting unit 2 and the surface of the light-condensing unit 501 close to the light-emitting unit 2 ₂ May be 10 μm to 30 μm, for example, 10 μm, 13 μm, 20 μm, 25 μm, 30 μm, etc. The slope angle α between the first surface 5011 of the light collecting unit 501 and the driving backplate 1 may be greater than 50 °. The slope angle between the first surface 5011 of the light condensing unit 501 and the driving backplate 1 may be a slope angle between a surface tangent to the first surface 5011 and the driving backplate 1.

In another embodiment of the present disclosure, as shown in fig. 4, the refractive index of the dimming layer 502 is greater than the refractive index of the light condensing unit 501, and the first surface 5011 is a plane. In other embodiments of the present disclosure, as shown in fig. 5, the refractive index of the light modulation layer 502 is larger than that of the light condensing unit 501, and the first surface 5011 is a curved surface recessed inward.

The color film layer 6 is arranged on one side of the light adjusting structure 5 far away from the driving backboard 1. The color film layer 6 may be disposed on the surface of the light modulation layer 502 opposite to the driving back plate 1. In other embodiments of the present disclosure, the color film layer 6 may also be disposed on a side of the light adjusting structure 5 close to the driving back plate 1. The color film layer 6 includes a black matrix 601 and a color block 602. The black matrix 601 is provided with a color resist opening 6011 in a region corresponding to the light emitting unit 2. The color-resist block 602 is located within the color-resist opening 6011. Wherein, a partial area of the color resist block 602 may protrude out of the color resist opening 6011, and an orthogonal projection of a portion of the color resist block 602 protruding out of the color resist opening 6011 on the driving back plate 1 covers an orthogonal projection of the color resist opening 6011 on the driving back plate 1. The number of the color resist openings 6011 and the number of the color resist blocks 602 may be multiple, and the color resist blocks 602 are disposed in the color resist openings 6011 in a one-to-one correspondence, the color resist blocks 602 are in a one-to-one correspondence with the light emitting units 2, and the color resist blocks 602 are in a one-to-one correspondence with the light condensing units 501. The plurality of color blocks 602 may include a yellow color block, a green color block, and a blue color block. The yellow color block corresponds to the yellow light-emitting unit, the green color block corresponds to the green light-emitting unit, and the blue color block corresponds to the blue light-emitting unit. The orthographic projection of the color-resist opening 6011 on the driving backplane 1 at least partially overlaps with the orthographic projection of the light-condensing unit 501 on the driving backplane 1. Further, the orthographic projection of the color-resist opening 6011 on the driving backplane 1 may be located in an orthographic projection area of the light-condensing unit 501 on the driving backplane 1, and the orthographic projection of the light-condensing unit 501 on the driving backplane 1 may be located in an orthographic projection area of a portion of the color-resist block 602 extending out of the color-resist opening 6011 on the driving backplane 1. In addition, as shown in fig. 3, the color film layer 6 of the embodiment of the present disclosure may further include a protective film 603. The protective film 603 may cover the color resist 602 and the black matrix 601.

As shown in fig. 6, the dimming structure 5 of the embodiment of the present disclosure may further include a light leakage preventing unit 503. The light leakage preventing unit 503 may be disposed on a side of the pixel defining layer 3 facing away from the driving backplane 1. The light leakage prevention unit 503 may be disposed on the surface of the encapsulation layer 4 facing away from the driving backplate 1. The orthographic projection of the light leakage prevention unit 503 on the driving back plate 1 can be located between the orthographic projections of the adjacent two light condensation units 501 on the driving back plate 1. The light leakage prevention unit 503 may or may not be in contact with the light collecting unit 501. In addition, the orthographic projection of the light leakage prevention unit 503 on the driving back plate 1 is located in the orthographic projection area of the black matrix 601 on the driving back plate 1. The light modulation layer 502 described above may cover a surface of the light leakage prevention unit 503 facing away from the pixel defining layer 3. In an embodiment of the present disclosure, the refractive index of the light leakage prevention unit 503 may be greater than the refractive index of the light modulation layer 502, and a surface of the light leakage prevention unit 503 facing away from the pixel defining layer 3 is an inwardly concave curved surface. The ratio of the depth of the recessed region of the surface of the light leakage prevention unit 503 facing away from the pixel defining layer 3 to the thickness of the light condensing unit 501 is greater than 0.8. Further, as shown in the figure, the maximum depth H of the recessed region of the surface of the light leakage preventing unit 503 facing away from the pixel defining layer 3 ₄ The ratio to the thickness of the light-condensing unit 501 is greater than 0.8. The dimension H of the light leakage preventing unit 503 in the direction perpendicular to the thickness of the display panel ₃ The ratio to the size of the light-condensing unit 501 is greater than 0.8. Further, the ratio of the dimension of the light leakage prevention unit 503 in the direction perpendicular to the thickness of the display panel to the length or width of the orthographic projection of the light condensation unit 501 on the driving back plate 1 is greater than 0.8. In another embodiment of the present disclosure, as shown in fig. 8 and 9, the refractive index of the light leakage preventing unit 503 may be smaller than the refractive index of the light modulation layer 502, and the surface of the light leakage preventing unit 503 facing away from the pixel defining layer 3 is a plane or a curved surface protruding outward. In the related art, the emergent light of the light emitting unit 2 under a larger viewing angle can pass through the color block 602, resulting in light leakage of the display panel, and the light leakage preventing unit 503 provided in the present disclosure can change the viewing angle of the light emitting unit 2 under a larger viewing angleThe light path of the emergent light under the angle is used for reducing the visual angle of the emergent light, so that the emergent light is incident to the black matrix 601, and the light leakage phenomenon is avoided. The light leakage preventing unit 503 may be manufactured by a photolithography process, and of course, may be manufactured by printing.

As shown in fig. 7, the display panel according to the embodiment of the present disclosure may further include a touch layer. The touch layer may be disposed on a surface of the encapsulation layer 4 facing away from the driving backplane 1. The touch layer may be disposed between the dimming structure 5 and the color film layer 6, and of course, the touch layer may also be disposed on a side of the dimming structure 5 away from the color film layer 6, but the disclosure is not limited thereto, and the touch layer may also be disposed on a side of the color film layer 6 away from the dimming structure 5. The touch layer may include a first touch electrode 7 and a second touch electrode 8 arranged to cross each other. In the area where the first touch electrode 7 and the second touch electrode 8 intersect, the first touch electrode 7 is connected by a bridge layer 9. The touch layer may further include a first insulating layer 10 and a second insulating layer 11. The bridging layer 9 is disposed on the surface of the package layer 4 opposite to the driving backplane 1, the first insulating layer 10 covers the bridging layer 9 and the package layer 4, the first touch electrode 7 and the second touch electrode 8 are both disposed on the surface of the first insulating layer 10 opposite to the package layer 4, the first touch electrode 7 is connected to the bridging layer 9 through a via, and the second insulating layer 11 covers the first touch electrode 7, the second touch electrode 8 and the first insulating layer 10. The thickness of the dimming structure 5 is large, the touch layer is arranged on one side, close to the driving backboard 1, of the dimming structure 5, and the problem that the process difficulty is increased due to too large section difference can be solved. In addition, orthographic projections of the first touch electrode 7, the second touch electrode 8 and the bridging layer 9 on the driving back plate 1 are all located in an orthographic projection area of the black matrix 601 on the driving back plate 1, so that the reflectivity increase and the visibility under sunlight caused by metal routing are avoided. The material of the first insulating layer 10 or the second insulating layer 11 may be an inorganic material, such as silicon nitride, or may be an organic material.

The embodiment of the disclosure also provides a display device. The display device may include the display panel described in any of the above embodiments. The display device may be a mobile phone, a tablet computer, a television, or the like. Since the display panel in the display device of the embodiment of the present disclosure is the same as the display panel in the embodiment of the display panel, the display device has the same beneficial effects, and the description thereof is omitted.

Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the present invention.

Claims (13)

1. A display panel, comprising:

driving the back plate;

the pixel defining layer is arranged on the driving backboard and is provided with a pixel opening;

a light emitting unit disposed at the pixel opening;

the light adjusting structure is arranged on one side, away from the driving backboard, of the pixel defining layer and is used for condensing emergent light of the light emitting unit;

the color film layer is arranged on one side of the dimming structure and comprises a black matrix and a color resistance block, the black matrix is provided with a color resistance opening corresponding to the area of the light emitting unit, and the color resistance block is positioned in the color resistance opening.

2. The display panel of claim 1, wherein the dimming structure comprises:

the light condensing unit is arranged on the light emitting side of the light emitting unit;

and the light modulation layer covers the surface of the light condensation unit, which is opposite to the light emitting unit, and the refractive index of the light modulation layer is different from that of the light condensation unit.

3. The display panel according to claim 2, wherein a surface of the light condensing unit facing away from the light emitting unit is a curved surface protruding outward; the refractive index of the light modulation layer is smaller than that of the light condensation unit.

4. The display panel according to claim 3, wherein the light modulation layer has a refractive index of 1.4 to 1.65, and the light condensing unit has a refractive index of 1.65 to 1.9.

5. The display panel according to claim 3, wherein the thickness of the light condensing unit is 1 μm to 4 μm, the surface of the light modulation layer facing away from the light emitting unit is a plane, and the distance between the surface of the light modulation layer facing away from the light emitting unit and the surface of the light condensing unit close to the light emitting unit is 10 μm to 30 μm.

6. The display panel according to claim 3, wherein a slope angle between a surface of the light condensing unit facing away from the light emitting unit and the driving backplane is greater than 50 °.

7. The display panel of claim 3, wherein the dimming structure further comprises:

the light leakage prevention unit is arranged on one side, back to the driving backboard, of the pixel defining layer, and orthographic projections of the light leakage prevention unit on the driving backboard are located between orthographic projections of two adjacent light condensation units on the driving backboard; the light modulation layer covers the surface of the light leakage prevention unit, which faces away from the pixel defining layer;

the refractive index of the light leakage prevention unit is greater than that of the light modulation layer, and the surface of the light leakage prevention unit, which is back to the pixel defining layer, is an inwardly concave curved surface; or alternatively

The refractive index of the light leakage prevention unit is smaller than that of the light modulation layer, and the surface of the light leakage prevention unit, which faces away from the pixel defining layer, is a plane or a curved surface protruding outwards.

8. The display panel according to claim 7, wherein a surface of the light leakage preventing unit facing away from the pixel defining layer is an inwardly concave curved surface, and a ratio of a depth of a concave region of the light leakage preventing unit facing away from the surface of the pixel defining layer to a thickness of the light condensing unit is greater than 0.8; in the thickness direction perpendicular to the display panel, the ratio of the size of the light leakage prevention unit to the size of the light condensation unit is more than 0.8.

9. The display panel according to claim 2, wherein a surface of the light condensing unit facing away from the light emitting unit is a flat surface or an inwardly concave curved surface; the refractive index of the light modulation layer is smaller than that of the light condensation unit.

10. The display panel of claim 1, wherein the orthographic projection of the pixel opening and the color resistance opening on the driving backplane at least partially overlaps with the orthographic projection of the light condensing unit on the driving backplane.

11. The display panel of claim 10, wherein the orthographic projection of the pixel opening and the color resistance opening on the driving backplane are both located in the orthographic projection area of the light condensing unit on the driving backplane.

12. The display panel according to claim 1, characterized in that the display panel further comprises:

an encapsulation layer covering the pixel defining layer and the light emitting unit;

the light-adjusting structure comprises a packaging layer, a light-adjusting structure and a light-adjusting structure, wherein the packaging layer is arranged on the surface, back to the driving backboard, of the packaging layer, and the light-adjusting structure is arranged on one side, far away from the driving backboard, of the touch layer.

13. A display device characterized by comprising the display panel according to any one of claims 1 to 12.

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