CN112396965B - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN112396965B CN112396965B CN202011295550.2A CN202011295550A CN112396965B CN 112396965 B CN112396965 B CN 112396965B CN 202011295550 A CN202011295550 A CN 202011295550A CN 112396965 B CN112396965 B CN 112396965B
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- light
- substrate
- display panel
- refraction
- emitting layer
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
Abstract
The invention provides a display panel and a display device, which comprise a substrate, wherein a light-emitting layer is arranged on one side of the substrate and comprises light-emitting units distributed in an array manner, and a light hole is arranged between at least one group of two adjacent light-emitting units; the first refraction structure is arranged on one side of the light-emitting layer, which is far away from the substrate; the second refraction structure is arranged on one side of the substrate, which is far away from the light-emitting layer; a plurality of incident lights are refracted through the first refraction structure to form a plurality of first refraction lights; a plurality of first refraction light beams are incident to one side surface, far away from the substrate, of the second refraction structure through the light holes; the first refraction light of many takes place to refract behind the second refraction structure and forms many second refraction light, and the second refraction light is parallel with the incident light, can effectively promote the luminousness when external light passes through display panel, and parallel light can not cause the highlight to electronic device under the screen to influence simultaneously.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display panel and a display device.
Background
With the improvement of the demand of people on the display effect, the screen occupation ratio becomes an important index for measuring the mobile phone, and the comprehensive screen is generated. In order to realize a full-face screen, the front-facing camera needs to be arranged below the display panel, and the light transmittance of the display panel is low, so that the light intensity of external light which penetrates through the display panel and reaches the camera is low, and the requirement of the camera on the light intensity is difficult to achieve.
Disclosure of Invention
In view of this, embodiments of the present invention provide a display panel and a display device, which solve the problem of low light transmittance of the display panel.
According to an aspect of the present invention, embodiments of the present invention provide a display panel and a display device, the display panel including a substrate; the light emitting layer is arranged on one side of the substrate and comprises light emitting units distributed in an array manner, wherein a light hole is formed between at least one group of two adjacent light emitting units; the first refraction structure is arranged on one side, far away from the substrate, of the light-emitting layer; the second refraction structure is arranged on one side, far away from the light-emitting layer, of the substrate; wherein an orthographic projection of the light-transmitting hole on the substrate is within an orthographic projection of the first refractive structure on the substrate, and an orthographic projection of the light-transmitting hole on the substrate is within an orthographic projection of the second refractive structure on the substrate; a plurality of incident lights are refracted through the first refraction structure to form a plurality of first refracted lights; a plurality of beams of the first refraction light are incident to one side surface, far away from the substrate, of the second refraction structure through the light holes; and the plurality of first refracted light beams are refracted through the second refraction structure to form a plurality of second refracted light beams, and the second refracted light beams are parallel to the incident light beams.
In an embodiment, the first refractive structure includes at least one convex lens, a surface of the convex lens close to the light emitting layer is parallel to the light emitting layer, a surface far away from the light emitting layer is a first convex surface, and an orthographic projection of the light transmission hole on the substrate is in an orthographic projection of the convex lens on the substrate.
In an embodiment, the second refraction structure includes at least one convex lens, a surface of the convex lens close to the substrate is parallel to the substrate, a surface far away from the substrate is a second convex surface, and an orthographic projection of the light-transmitting hole on the substrate is within an orthographic projection of the convex lens on the substrate.
In an embodiment, the first convex surface is a first curved surface or a first arc-shaped surface, and the second convex surface is a second curved surface or a second arc-shaped surface.
In an embodiment, a center of the first arc-shaped surface, a center of the second arc-shaped surface, and a center of the light-transmitting hole are on a straight line, and the straight line is parallel to a direction in which the substrate and the light-emitting layer are stacked.
In an embodiment, further comprising: the sealed cavity is arranged on one side, far away from the substrate, of the light-emitting layer, and the first refraction structure is located in the sealed cavity; when the display panel is in a first state, the sealing chamber is in a vacuum state; when the display panel displays, the refractive index of the light beam passing through the sealed cavity is equal to the refractive index of the light beam passing through the first refraction structure.
In one embodiment, the liquid crystal display further comprises a solution tank and a bidirectional pump, wherein a solution is stored in the solution tank, the sealed chamber is communicated with the solution tank through the bidirectional pump, and when the display panel displays, the bidirectional pump pumps the solution in the solution tank into the sealed chamber; when the display panel is in the first state, the bidirectional pump vacuumizes the sealed chamber, so that the sealed chamber is in a vacuum state.
In an embodiment, the optical density of the solution is the same as the optical density of the material of the first refractive structure.
In one embodiment, the display panel includes a display area and a non-display area surrounding the display area, wherein the display area includes an electronic device reserved area and a first display area surrounding the electronic device reserved area, wherein the display panel located in the electronic device reserved area includes: a substrate; the light emitting layer is arranged on one side of the substrate and comprises light emitting units distributed in an array manner, wherein a light hole is formed between at least one group of two adjacent light emitting units; the first refraction structure is arranged on one side, far away from the substrate, of the light-emitting layer; the second refraction structure is arranged on one side of the substrate, which is far away from the light-emitting layer; wherein an orthographic projection of the light-transmitting hole on the substrate is within an orthographic projection of the first refractive structure on the substrate, and an orthographic projection of the light-transmitting hole on the substrate is within an orthographic projection of the second refractive structure on the substrate; a plurality of incident lights are refracted through the first refraction structure to form a plurality of first refracted lights; a plurality of beams of the first refracted light are incident to one side face, far away from the substrate, of the second refraction structure through the light transmission holes; and the plurality of first refracted light beams are refracted through the second refraction structure to form a plurality of second refracted light beams, and the second refracted light beams are parallel to the incident light beams.
According to another aspect of the present invention, an embodiment of the present invention provides a display device including the display panel according to any one of the above embodiments.
In the display panel and the display device provided by the embodiment of the invention, the light hole is arranged between at least one group of two adjacent light-emitting units on the light-emitting layer; arranging a first refraction structure at one side of the light-emitting layer, which is far away from the substrate; arranging a second refraction structure on one side of the substrate far away from the light-emitting layer; a plurality of incident lights are refracted through the first refraction structure to form a plurality of first refraction lights; a plurality of beams of first refracted light are incident to one side face, far away from the substrate, of the second refraction structure through the light holes; the first refraction light of many bundles takes place to refract behind the second refraction structure and forms the second refraction light, the second refraction light is parallel with the incident light, because when external light passes through the luminescent layer, can be sheltered from by each layer in display panel, the luminousness that leads to through luminescent layer light is low, through setting up the light trap on the luminescent layer, external light can focus after the refraction of first refraction structure, the light of focus is not sheltered from of luminescent layer, directly pass the light trap, effectively promote the luminousness when external light passes through display panel, the light that passes the light trap forms the light parallel with incident light after the refraction of second refraction structure, parallel light incides under the screen electron device can not lead to the fact the highlight to electron device under the screen and influence.
Drawings
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a display panel according to another embodiment of the present invention.
Fig. 3 is a top view of a stacked structure of a first refractive structure and a light emitting layer according to an embodiment of the invention.
Fig. 4 is a top view of a stacked structure of a first refractive structure and a light emitting layer according to another embodiment of the invention.
Fig. 5 is a top view of a stacked structure of a first refractive structure and a light emitting layer according to another embodiment of the invention.
Fig. 6 is a top view of a stacked structure of a first refractive structure and a light emitting layer according to another embodiment of the invention.
Fig. 7 is a schematic view illustrating a stacked structure of a second refractive structure and a light emitting layer according to an embodiment of the invention.
Fig. 8 is a schematic view illustrating a stacked structure of a second refractive structure and a light emitting layer according to another embodiment of the invention.
Fig. 9 is a schematic view illustrating a stacked structure of a second refractive structure and a light emitting layer according to another embodiment of the invention.
Fig. 10 is a schematic structural diagram of a first convex surface according to an embodiment of the invention.
Fig. 11 is a schematic structural view of a first convex surface according to another embodiment of the present invention.
Fig. 12 is a schematic structural view of a second convex surface according to an embodiment of the invention.
Fig. 13 is a schematic structural view of a second convex surface according to another embodiment of the invention.
Fig. 14 is a schematic view illustrating a stacked structure of a first refractive structure, a light emitting layer, and a second refractive structure according to an embodiment of the invention.
Fig. 15 is a schematic view illustrating a stacked structure of a first refractive structure and a light emitting layer according to an embodiment of the invention.
Fig. 16 is a schematic structural diagram of a display panel according to an embodiment of the invention.
Fig. 17 is a schematic structural diagram of a display panel according to another embodiment of the invention.
Fig. 18 is a schematic structural diagram of a display panel according to another embodiment of the present invention.
Fig. 19 is a schematic structural diagram of a display panel according to another embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As described in the background art, the display panel in the prior art has low light transmittance, so that the light intensity of external light passing through the display panel and reaching the camera is low, and the requirement of the electronic device under the screen on the light intensity is difficult to achieve. The inventors have found that the reason for such a problem is that the display panel includes the light emitting layer 2 and the like, and the light emitting layer 2 and the like block the light transmitted through the display panel, so that the display panel has a low transmittance.
Based on this, in the display panel provided by the embodiment of the present invention, a light hole is disposed between at least one set of two adjacent light emitting units 13 on the light emitting layer 2; arranging a first refraction structure 5 at one side of the light-emitting layer far away from the substrate 1; arranging the second refraction structure 7 on the side of the substrate 1 far away from the light-emitting layer 2; external light can focus after 5 refractions of first refraction structure, and the light of focus does not receive sheltering from of luminescent layer 2, directly passes light trap 12, effectively promotes the luminousness when external light passes through display panel, and the light that passes light trap 12 forms the light parallel with incident ray after 7 refractions of second refraction structure, and parallel light incides under the screen electron device can not lead to the fact the highlight to electron device 14 under the screen to influence.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention. As shown in fig. 1, the display panel includes a substrate 1, a light emitting layer 2, a first refractive structure 5, and a second refractive structure 7. The light emitting layer 2 is arranged on one side of the substrate 1, the light emitting layer 2 comprises light emitting units distributed in an array manner, wherein a light hole 12 is arranged between at least one group of adjacent light emitting units; the first refraction structure 5 is arranged on one side of the light-emitting layer 2 away from the substrate 1; the second refraction structure 7 is arranged on one side of the substrate 1 far away from the light-emitting layer 2; wherein, the orthographic projection of the light-transmitting hole 12 on the substrate 1 is in the orthographic projection of the first refraction structure 5 on the substrate 1, and the orthographic projection of the light-transmitting hole 12 on the substrate 1 is in the orthographic projection of the second refraction structure 7 on the substrate 1; wherein, a plurality of incident lights are refracted after passing through the first refraction structure 5 to form a plurality of first refracted lights; a plurality of beams of first refracted light are incident to one side face, far away from the substrate 1, of the second refraction structure 7 through the light transmission holes 12; the first refracted light beams are refracted by the second refracting structures 7 to form second refracted light beams, and the second refracted light beams are parallel to the incident light beams. Because external light can focus after the refraction of first refraction structure 7, the light of focus does not receive sheltering from of luminescent layer 2, directly pass light trap 12, effectively promote the luminousness when external light passes through display panel, in addition, because the light that passes light trap 12 takes place twice refraction through first refraction structure 5 and second refraction structure 7 and forms light and incident light parallel, light is not redirecting when passing display panel promptly, consequently set up electronic device 14 under the screen when display panel, for example camera device, fingerprint collection system, light can not cause the quality of making a video recording poor because of changing the gathering or dispersion to certain specific position, when setting up electronic device under display panel, not only display panel's light transmissivity is high and improve the imaging quality of making a video recording, still because light can not change and further improve the imaging quality of making a video recording. In embodiments of the present invention, the incidence of parallel light rays into the underscreen electronics 14 does not cause strong light effects on the underscreen electronics 14.
In an embodiment, fig. 2 is a schematic structural diagram of a display panel according to an embodiment of the present invention. As shown in fig. 2, the display panel further includes: the backlight module comprises a cover plate 9, a polarizer 8, a first refraction structure 5, a packaging layer 4, a light-emitting layer 2, a driving circuit layer 3 and a substrate 1. The light-emitting layer 2 is arranged on one side of the substrate 1, the driving circuit layer 3 is arranged on one side of the substrate 1 close to the light-emitting layer 2, and the driving circuit layer 3 is electrically connected to the light-emitting layer 2 and used for driving the light-emitting layer 3 to work. An encapsulation layer 4 is disposed on the light-emitting layer 2. Alternatively, the first refractive structure 5 is disposed on the side of the light emitting layer 2 away from the substrate 1.
It is to be understood that the first refractive structure 5 may also be arranged between the light-emitting layer 2 and the encapsulation layer 4, and may also be arranged between the polarizer 8 and the cover layer 9. Therefore, as long as the first refractive structure 5 is disposed on the side of the light emitting layer 2 away from the substrate 1, the specific position of the first refractive structure 5 is not limited in the embodiment of the present invention.
In an embodiment of the present application, the first refractive structure 5 includes at least one convex lens 17, a surface of the convex lens 17 close to the light emitting layer 2 is parallel to the light emitting layer 2, a surface far away from the light emitting layer 2 is the first convex surface 15, and an orthographic projection of the light transmission hole 12 on the substrate 1 is within an orthographic projection of the convex lens 17 on the substrate 1. Specifically, the surface of the convex lens 17 in the first refractive structure 5 parallel to the light emitting layer 2 is a plane, and the plane of the convex lens 17 is convenient to fix on the encapsulation layer 4 or the polarizer 8. The surface of the convex lens 17 away from the light-emitting layer 2 is the first convex surface 15, when external light enters the first convex surface 15 of the convex lens 17, the first refraction structure 5 refracts a plurality of incident lights to form a plurality of first refracted lights, and the first refraction structure 5 has a function of focusing the light. An orthographic projection of a convex lens 17 on the substrate 1 covers an orthographic projection of the light-transmitting hole 12 on the substrate 1, the convex lens 17 in the first refraction structure 5 refracts a plurality of incident lights entering the convex lens 17 to form a plurality of first refracted lights, and each convex lens 17 is in one-to-one correspondence with the light-transmitting hole 12, so that the plurality of first refracted lights can be focused and can not be shielded by the light-emitting layer and directly pass through the light-transmitting hole 12 on the light-emitting layer 2.
Fig. 3 is a top view of a stacked structure of a first refractive structure and a light emitting layer according to an embodiment of the present invention. As shown in fig. 3, the first refractive structure 5 is a convex lens 17, a light hole 12 is disposed between only one group of two adjacent light emitting units 13 on the light emitting layer 2, a surface of the convex lens 17 close to the light emitting layer 2 is parallel to the light emitting layer 2, a surface far away from the light emitting layer 2 is a first convex surface 15, and an orthographic projection of the light hole 12 on the substrate 1 is within an orthographic projection of the convex lens 17 on the substrate 1.
Fig. 4 is a top view of a laminated structure of a first refractive structure and a light emitting layer according to another embodiment of the present invention, as shown in fig. 4, the light emitting units 13 are distributed in an array, the first refractive structure includes a plurality of convex lenses 17, the plurality of convex lenses 17 includes at least one group of convex lenses 17, the plurality of convex lenses 17 in the group of convex lenses 17 are arranged along a row direction of the array, a light hole 12 is disposed on the light emitting layer 2 between two adjacent light emitting units 13 in an array column direction, that is, the plurality of light holes 12 form at least one group of light hole groups, the light holes in the group of light hole groups are arranged along the row direction of the array, and one light hole 12 corresponds to one convex lens 17.
Fig. 5 is a plan view illustrating a stacked structure of a first refractive structure and a light emitting layer according to another embodiment of the present invention. As shown in fig. 5, the plurality of convex lenses 17 includes at least one group of convex lenses 17, wherein the plurality of convex lenses 17 in the group of convex lenses 17 are arranged along the column direction of the array, one light hole 12 is disposed between two adjacent light emitting units 13 in the row direction of the array on the light emitting layer 2, that is, the plurality of light holes 12 form at least one group of light holes, the light holes in the group of light holes are arranged along the column direction of the array, and one light hole 12 corresponds to one convex lens 17.
Fig. 6 is a top view of a stacked structure of a first refractive structure and a light emitting layer according to another embodiment of the present invention. As shown in fig. 6, one convex lens 17 may be arranged at intervals of one or more convex lenses 17, one light hole 12 is correspondingly arranged between two adjacent groups of light emitting units 13 on the light emitting layer 2, one light hole 12 corresponds to one convex lens 17, and the light holes 12 are arranged corresponding to the convex lenses 17, that is, the light holes 12 and the convex lenses 17 are both irregularly arranged.
Alternatively, as shown in fig. 4, adjacent convex lenses 17 may be in contact with each other. As shown in fig. 5, adjacent convex lenses 17 may not overlap with each other.
In an embodiment of the present application, the second refraction structure 7 includes at least one convex lens 17, a surface of the convex lens 17 close to the substrate 1 is parallel to the substrate 1, a surface far away from the substrate 1 is a second convex surface 16, and an orthographic projection of the light-transmitting hole 12 on the substrate 1 is within an orthographic projection of the convex lens 17 on the substrate 1. Specifically, the surface of the convex lens 17 in the second refraction structure 7 parallel to the substrate 1 is a plane, the plane of the convex lens 17 is convenient to fix on the substrate 1, the surface of the convex lens 17 away from the substrate 1 is a second convex surface 16, the convex lens 17 in the first refraction structure 5 refracts a plurality of incident lights incident to the first refraction structure 5 to form a plurality of first refraction lights, because each convex lens 17 is in one-to-one correspondence with the light hole 12, and the orthographic projection of one convex lens 17 on the substrate 1 covers the orthographic projection of one light hole 12 on the substrate 1, so the plurality of first refraction lights are all incident to the second convex surface 16 of the second refraction structure 7 away from the substrate 1 through the light hole 12, and the second refraction structure 7 refracts the plurality of first refraction lights to form a plurality of second refraction lights, which are parallel to the incident lights. The second refraction structure 7 converts the light focused in the light hole 12 into parallel light, and the direction of the parallel light is the same as that of the incident light, so that the parallel light does not generate strong light influence on the electronic device 14 under the screen.
Fig. 7 is a schematic structural diagram illustrating a stacked structure of a second refractive structure and a light emitting layer according to an embodiment of the invention. As shown in fig. 7, the second refraction structure 7 is a convex lens 17, a light hole 12 is disposed between only one group of two adjacent light emitting units 13 on the light emitting layer 2, the convex lens 17 corresponds to the light hole 12, a surface of the convex lens 17 close to the substrate 1 is parallel to the substrate 1, a surface far away from the substrate 1 is a second convex surface 16, and an orthographic projection of the light hole 12 on the substrate 1 is within an orthographic projection of the convex lens 17 on the substrate 1.
Fig. 8 is a schematic structural view illustrating a stacked structure of a second refractive structure and a light emitting layer according to another embodiment of the invention. As shown in fig. 8, the second refraction structure 7 is a plurality of convex lenses 17, the convex lenses 17 are arranged in rows and/or columns, a light hole 12 is correspondingly arranged between two adjacent light emitting units 13 on the light emitting layer 2, one light hole 12 corresponds to one convex lens 17, and the light holes 12 are arranged corresponding to the convex lenses 17.
Fig. 9 is a schematic structural diagram illustrating a stacked structure of a second refractive structure and a light emitting layer according to another embodiment of the invention. As shown in fig. 9, when the plurality of convex lenses 17 are arranged at intervals of one or more convex lenses 17, a light hole 12 is correspondingly arranged between two adjacent groups of light-emitting units 13 on the light-emitting layer 2, one light hole 12 corresponds to one convex lens 17, and the light holes 12 are arranged corresponding to the convex lenses 17.
In an embodiment of the present application, the first convex surface 15 is a first curved surface or a first arc-shaped surface, the second convex surface 16 is a second curved surface or a second arc-shaped surface, and both the first convex surface 15 and the second convex surface 16 are SiO 2 The material can be directly evaporated with a SiO2 film layer and then subjected toPartial exposure to light&The etching process forms the curved surface of the convex lens 17.
In an embodiment of the present application, in the first refraction structure 5, the first convex surface 15 is a first arc-shaped surface, and fig. 10 is a schematic structural view of the first convex surface according to an embodiment of the present invention. As shown in fig. 10, the first convex surface 15 may be a circular arc surface. Fig. 11 is a schematic structural view of a first convex surface according to another embodiment of the present invention. As shown in fig. 11, the first convex surface 15 may be an elliptical arc surface. It should be understood that the first convex surface 15 may be a circular arc surface or an elliptical arc surface. The first convex surface 15 is not particularly limited in the present application as long as the convex portion performs the focusing function.
Fig. 12 is a schematic structural view of a second convex surface according to an embodiment of the invention. As shown in fig. 12, in the second refraction structure 7, the second convex surface 16 is a second arc-shaped surface. Fig. 13 is a schematic structural view of a second convex surface according to another embodiment of the invention. As shown in fig. 13, the second convex surface 16 may be an elliptical arc surface. It should be understood that the second convex surface 16 may be a circular arc surface or an elliptical arc surface. The shape of the second convex surface 16 is not particularly limited as long as the convex light-gathering is realized.
Fig. 14 is a schematic structural view illustrating positions of the first refractive structure, the second refractive structure and the light-transmitting hole according to an embodiment of the invention. As shown in fig. 14, the center of the first arc-shaped surface, the center of the second arc-shaped surface, and the center of the light-transmitting hole 12 are on a straight line, and the straight line is parallel to the direction in which the substrate 1 and the light-emitting layer 2 are stacked. Specifically, in first refraction structure 5, first convex surface 15 is first arcwall face, in second refraction structure 7, second convex surface 16 is the second arcwall face, the centre of a circle of first arcwall face, the centre of a circle of second arcwall face and the center of light trap 12 are on a straight line, the direction of straight line is parallel with base plate 1 and the 2 superimposed directions of luminescent layer, first convex surface 15 can be the same with the size of second convex surface 16, also can be different, as long as guarantee the arc centre of a circle of first convex surface 15 and the arc centre of a circle symmetry setting of second convex surface 16 can in the both sides of light trap 12. Then light can form a plurality of first refracted light after the refraction of first convex surface 15, and a plurality of first refracted light can focus and pass through light trap 12 and incide to second convex surface 16, and second convex surface 16 refracts a plurality of first refracted light, forms a plurality of second refracted light parallel with the incident light, and external light that gets into display panel can not sheltered from by luminescent layer 2, directly incides second convex surface 16 through light trap 12, can effectively promote the luminousness of external light when the display panel.
Fig. 15 is a schematic structural view illustrating a first refractive structure and a light emitting layer according to an embodiment of the invention. As shown in fig. 15, the transmittance of light can be calculated by first selecting a triangular region as a repeating unit on the first refractive structure 5: assuming that the external incident light is parallel light, the area of the light passing through the triangular region is: (1/2) × 2R √ 3R (1), the area of refraction by the convex lens 17 is: 3 × 60/360 × pi R (2), so the portion of the lens where the light is incident is: (2) /(1) =90.7%. The light transmittance of the current glass lens is generally 97%. Therefore, in the process that the external light reaches the electronic device after passing through the first refraction structure 5 and the second refraction structure 7, the transmittance of the light is as follows: 90.7% 97% =85%, therefore, the centre of a circle of the first arc-shaped surface, the centre of a circle of the second arc-shaped surface and the center of the light hole 12 are on the same straight line, and the light transmittance of the display panel is greatly improved.
When electronic device was out of work under the screen, display panel sent light, and light incides first refraction structure 5 and keeps away from one side of luminescent layer 2, outside the display panel is refracted through first convex surface 15, because the light that luminescent layer 2 sent can take place the refraction after first refraction structure 5, can lead to light to deviate to some extent promptly, reduces display panel's display quality. Therefore, in an embodiment of the present invention, fig. 16 is a schematic structural diagram of a display panel according to an embodiment of the present invention, and as shown in fig. 16, the display panel further includes: the sealed chamber 6 is arranged on one side, away from the substrate 1, of the light emitting layer 2, and the first refraction structure 5 is located in the sealed chamber 6; display panel is when first state, for example, when the panel is in the state of making a video recording or fingerprint collection state, sealed cavity 6 is in the vacuum state, external light can not take place the refraction when being located the space on first refraction structure 5 in sealed cavity 6, just can take place the refraction when first refraction structure 5, light after the refraction is all incited to second refraction structure 7 after the light trap, the light transmissivity that is located the display panel of camera device top has been improved, and light does not change the direction when passing display panel, consequently, further improve the imaging quality who makes a video recording.
Fig. 17 is a schematic structural diagram of a display panel according to another embodiment of the invention. As shown in fig. 17, when the display panel is used for displaying, the off-screen electronic device 14 does not work, the display panel emits light beams passing through the sealed chamber 6, because the refractive index of the light beams passing through the sealed chamber 6 is equal to the refractive index of the light beams passing through the first refraction structure 5, there is no density difference on two sides of the first refraction structure 5, and therefore the light beams emitted by the light emitting layer 2 do not refract when passing through the first refraction structure 5, and the light beams can penetrate through the sealed chamber 6 directly, so that the display panel can display normally.
Fig. 18 is a schematic structural diagram of a display panel according to another embodiment of the present invention. As shown in fig. 18, the display panel further includes a solution tank 11 and a bidirectional pump 10, the solution tank 11 stores a solution, the sealed chamber is communicated with the solution tank 11 through the bidirectional pump 10, and when the display panel displays, the bidirectional pump 10 pumps the solution in the solution tank 11 into the sealed chamber. When the display panel is in the first state, the bidirectional pump 10 vacuumizes the sealed chamber, so that the sealed chamber is in a vacuum state.
Fig. 19 is a schematic structural diagram of a display panel according to another embodiment of the invention. As shown in fig. 19, when the display panel is used for displaying, the off-screen electronic device 14 does not work, the bidirectional pump 10 pumps the solution in the solution tank 11 into the sealed cavity, the display panel emits a light beam, the refractive index of the light beam passing through the sealed cavity 6 is equal to the refractive index of the light beam passing through the first refraction structure 5, and there is no density difference between two sides of the first refraction structure 5, so that the light beam emitted by the light emitting layer 2 does not refract when passing through the first refraction structure 5, and the light beam penetrates through the sealed cavity 6 directly, so that the display panel can display normally.
It should be understood that the solution tank 11 and the bidirectional pump 10 may be provided outside the display panel, and the solution tank 11 and the bidirectional pump 10 are connected to the sealed chamber 6 through a pipe. In specific practice, the positions of the solution tank 11 and the bidirectional pump 10 can be set according to different application scene requirements, and the positions of the solution tank 11 and the bidirectional pump 10 are not specifically limited in the application.
In an embodiment of the present application, the optical density of the solution is the same as the optical density of the material of the first refractive structure 5. When the display panel is used for displaying, the solution in the solution tank 11 is pumped into the sealed cavity by the bidirectional pump 10, because the optical density of the solution is the same as that of the material of the first refraction structure 5, the refractive index of the light beam passing through the sealed cavity is equal to that of the light beam passing through the first refraction structure 5, and there is no density difference on two sides of the first refraction structure 5, the light beam emitted by the light emitting layer 2 is not refracted when passing through the first refraction structure 5, and the light beam penetrates through the sealed cavity directly, so that the display panel can normally display.
It should be understood that the solution may be a CsCl solution, and may also be other solutions having the same optical density as the material of the first refractive structure 5. In specific practice, the solution can be selected according to different application scene requirements, and the solution is not specifically limited in the application.
In an embodiment of the present application, a display panel includes a display area and a non-display area surrounding the display area, where the display area includes an electronic device reserved area and a first display area surrounding the electronic device reserved area, where the display panel located in the electronic device reserved area is provided as follows: a substrate 1; the light-emitting layer 2 is arranged on one side of the substrate 1, the light-emitting layer 2 comprises light-emitting units 13 distributed in an array, and a light hole 12 is arranged between at least one group of two adjacent light-emitting units 13; a first refractive structure 5 disposed on a side of the light emitting layer 2 away from the substrate 1; and a second refraction structure 7 disposed on a side of the substrate 1 away from the light-emitting layer 2; wherein, the orthographic projection of the light-transmitting hole 12 on the substrate 1 is in the orthographic projection of the first refraction structure 5 on the substrate 1, and the orthographic projection of the light-transmitting hole 12 on the substrate 1 is in the orthographic projection of the second refraction structure 7 on the substrate 1; wherein, a plurality of incident lights are refracted after passing through the first refraction structure 5 to form a plurality of first refracted lights; a plurality of beams of first refraction light are incident to one side surface, far away from the substrate 1, of the second refraction structure 7 through the light holes 12; the first refracted light beams are refracted by the second refracting structures 7 to form second refracted light beams, and the second refracted light beams are parallel to the incident light beams. The reserved area of the electronic component is mainly used for installing electronic devices, such as cameras, devices for collecting fingerprints under the screen and the like, and the electronic devices 14 under the screen need external light.
Embodiments of the present invention also provide a display device including the display panel according to any one of the above embodiments.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and the like that are within the spirit and principle of the present invention are included in the present invention.
Claims (9)
1. A display panel, comprising:
a substrate;
the light emitting layer is arranged on one side of the substrate and comprises light emitting units distributed in an array manner, wherein a light hole is formed between at least one group of two adjacent light emitting units;
the first refraction structure is arranged on one side of the light-emitting layer, which is far away from the substrate; and
the second refraction structure is arranged on one side, far away from the light-emitting layer, of the substrate;
wherein an orthographic projection of the light-transmitting hole on the substrate is within an orthographic projection of the first refractive structure on the substrate, and an orthographic projection of the light-transmitting hole on the substrate is within an orthographic projection of the second refractive structure on the substrate;
wherein, a plurality of incident lights are refracted after passing through the first refraction structure to form a plurality of first refracted lights; a plurality of beams of the first refraction light are incident to one side surface, far away from the substrate, of the second refraction structure through the light holes; the first refracted light beams are refracted through the second refraction structure to form second refracted light beams, the second refracted light beams are parallel to the incident light beams, the second refraction structure is used for converting the light beams focused in the light-transmitting holes into parallel light beams, and the parallel light beams are incident to the electronic device under the screen;
further comprising: the sealed cavity is arranged on one side, far away from the substrate, of the light-emitting layer, and the first refraction structure is located in the sealed cavity; when the display panel is in a first state, the sealing chamber is in a vacuum state; when the display panel displays, the refractive index of the light beam passing through the sealed cavity is equal to the refractive index of the light beam passing through the first refraction structure.
2. The display panel according to claim 1, wherein the first refractive structure comprises at least one convex lens, a surface of the convex lens close to the light emitting layer is parallel to the light emitting layer, a surface far away from the light emitting layer is a first convex surface, and an orthographic projection of the light hole on the substrate is within an orthographic projection of the convex lens on the substrate.
3. The display panel of claim 2, wherein the second refractive structure comprises at least one convex lens, a surface of the convex lens close to the substrate is parallel to the substrate, a surface far from the substrate is a second convex surface, and an orthographic projection of the light-transmitting hole on the substrate is within an orthographic projection of the convex lens on the substrate.
4. The display panel according to claim 3, wherein the first convex surface is a first curved surface or a first arc-shaped surface, and the second convex surface is a second curved surface or a second arc-shaped surface.
5. The display panel according to claim 4, wherein a center of the first arc-shaped surface, a center of the second arc-shaped surface, and a center of the light-transmitting hole are on a straight line, and the straight line is parallel to a direction in which the substrate and the light-emitting layer are stacked.
6. The display panel according to claim 1, further comprising a solution tank and a bidirectional pump, wherein the solution tank stores a solution, the sealed chamber is communicated with the solution tank through the bidirectional pump, and when the display panel displays, the bidirectional pump pumps the solution in the solution tank into the sealed chamber; when the display panel is in the first state, the bidirectional pump vacuumizes the sealed chamber, so that the sealed chamber is in a vacuum state.
7. The display panel of claim 6 wherein the optical density of the solution is the same as the optical density of the material of the first refractive structure.
8. The display panel according to claim 1, wherein the display panel comprises a display area and a non-display area surrounding the display area, wherein the display area comprises an electronic device reserved area and a first display area surrounding the electronic device reserved area, wherein the display panel located in the electronic device reserved area comprises:
a substrate;
the light emitting layer is arranged on one side of the substrate and comprises light emitting units distributed in an array manner, wherein a light hole is formed between at least one group of two adjacent light emitting units;
the first refraction structure is arranged on one side of the light-emitting layer, which is far away from the substrate; and
the second refraction structure is arranged on one side, far away from the light-emitting layer, of the substrate;
wherein an orthographic projection of the light-transmitting hole on the substrate is within an orthographic projection of the first refractive structure on the substrate, and an orthographic projection of the light-transmitting hole on the substrate is within an orthographic projection of the second refractive structure on the substrate;
wherein, a plurality of incident lights are refracted after passing through the first refraction structure to form a plurality of first refracted lights; a plurality of beams of the first refraction light are incident to one side surface, far away from the substrate, of the second refraction structure through the light holes; and refracting the first refracted light after passing through the second refraction structure to form a plurality of second refracted lights, wherein the second refracted lights are parallel to the incident lights.
9. A display device characterized by comprising the display panel according to any one of claims 1 to 8.
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