CN113471259A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN113471259A CN113471259A CN202110710855.3A CN202110710855A CN113471259A CN 113471259 A CN113471259 A CN 113471259A CN 202110710855 A CN202110710855 A CN 202110710855A CN 113471259 A CN113471259 A CN 113471259A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/854—Arrangements for extracting light from the devices comprising scattering means
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/858—Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/40—OLEDs integrated with touch screens
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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Abstract
The invention discloses a display panel and a display device, wherein the display panel comprises a substrate, a color film layer, a micro-lens array layer and a flat layer, the micro-lens array layer is arranged on one side of the color film layer, which is far away from the substrate, the micro-lens array layer comprises a plurality of micro-lens units which are distributed in an array manner, and the micro-lens units are arranged in one-to-one correspondence with the color resistors; the flat layer covers the micro-lens array layer, light is emitted into the micro-lens units through the color resistors, and is dispersed at the boundary of the micro-lens units and the flat layer, so that the light-emitting divergence angle can be improved, and the attenuation of the light-emitting visual angle caused by the fact that the black matrix in the color film layer shields part of light of the light-emitting layer is favorably improved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display panel and a display device.
Background
As Organic Light-Emitting Diode (OLED) display panels are continuously developed toward flexible display panels, panel manufacturers gradually apply the Pol-less technology to OLED display panels. The Pol-less technology is a technology of replacing a polarizer with a color filter, i.e., a polarizing layer is directly formed on a display panel, so that the thickness can be greatly reduced, and the integrated integration is realized. However, the black matrix in the color filter can block part of the light-emitting layer, which leads to the attenuation of the light-emitting viewing angle and seriously affects the user experience.
In view of the above, it is desirable to provide a display panel and a display device to solve the above technical problems.
Disclosure of Invention
The embodiment of the invention provides a display panel and a display device, and aims to solve the technical problem that when the existing display panel adopts the Pol-less technology, a black matrix in a color film layer can shield part of light of a light-emitting layer, so that the light-emitting visual angle is attenuated.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
the present invention provides a display panel including:
a substrate including a light emitting device layer including a light emitting layer;
the color film layer is arranged on the substrate and comprises a plurality of color resistors and a black matrix arranged between every two adjacent color resistors, and the color resistors are arranged corresponding to the light-emitting layer;
the micro-lens array layer is arranged on one side, far away from the substrate, of the color film layer and comprises a plurality of micro-lens units distributed in an array mode, and the micro-lens units and the color resistors are arranged in a one-to-one corresponding mode; and
and the flat layer covers the micro-lens array layer, light is emitted into the micro-lens units through the color resistors, and divergence is generated at the boundary of the micro-lens units and the flat layer.
According to the display panel provided by the invention, the microlens units are convex microlenses, and the refractive index of the microlens units is smaller than that of the flat layer.
According to the display panel provided by the invention, the micro lens units are concave micro lenses, and the refractive index of the micro lens units is larger than that of the flat layer.
According to the display panel provided by the invention, the orthographic projection of each micro-lens unit on the substrate covers the orthographic projection of the corresponding color resistor on the substrate.
According to the display panel provided by the invention, the flat layer covers the color film layer and the micro-lens unit.
According to the display panel provided by the invention, the microlens array layer further comprises a filling part, the filling part is arranged on the color film layer, and the filling part is positioned between two adjacent microlens units.
According to the display panel provided by the invention, the material of the filling part is the same as that of the micro lens unit.
According to the display panel provided by the present invention, the substrate further comprises:
an array substrate;
the pixel definition layer is arranged on the array substrate, and the light emitting layer is arranged in an opening defined and formed on the pixel definition layer;
an encapsulation layer covering the light emitting device layer; and
and the touch layer is arranged between the packaging layer and the color film layer.
According to the display panel provided by the invention, the touch layer comprises a plurality of touch units and an insulating layer, the touch units are arranged on the packaging layer, and the insulating layer covers the touch units.
The invention provides a display device, comprising the display panel; and
and the cover plate is arranged on one side of the display panel.
The invention has the beneficial effects that: according to the display panel and the display device provided by the invention, the micro-lens array layer and the flat layer are arranged on the color film layer adopting a Pol-less structure, the micro-lens array layer comprises a plurality of micro-lens units distributed in an array, the micro-lens units and the color resistors are arranged in a one-to-one correspondence manner, light can be diffused at the boundary of the micro-lens units and the flat layer, so that the light emitting diffusion angle can be increased, and the attenuation of the light emitting visual angle caused by the fact that a black matrix in the color film layer shields part of light of the light emitting layer can be improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional structure diagram of a first display panel according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure diagram of a second display panel according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a third display panel according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional structure diagram of a fourth display panel according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional structure diagram of a fifth display panel according to an embodiment of the invention;
fig. 6 is a schematic cross-sectional structure diagram of a sixth display panel according to an embodiment of the present invention;
fig. 7A to 7D are schematic flow charts of a method for manufacturing a display panel according to an embodiment of the present invention.
Description of reference numerals:
1. a substrate; 2. a color film layer; 3. a microlens array layer; 4. a planarization layer;
11. a light emitting device layer; 110. a light emitting layer;
12. an array substrate; 13. a pixel defining layer; 14. a packaging layer; 15. a touch layer; 150. a touch unit; 151. an insulating layer; 21. color resistance; 22. a black matrix; 31. a microlens unit; 310. a first dimming part; 311. a second dimming part; 32. and a filling part.
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. Furthermore, it should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, and are not intended to limit the present invention. In the present invention, unless otherwise specified, the use of directional terms such as "upper" and "lower" generally means upper and lower in the actual use or operation of the device, particularly in the orientation of the figures of the drawings; while "inner" and "outer" are with respect to the outline of the device.
Referring to fig. 1, fig. 1 is a schematic cross-sectional structure diagram of a first display panel according to an embodiment of the disclosure. The embodiment of the invention provides a display panel, which comprises a substrate 1, a color film layer 2, a micro-lens array layer 3 and a flat layer 4.
Specifically, the substrate 1 includes a light emitting device layer 11, the light emitting device layer 11 includes a light emitting layer 110, the color film layer 2 is disposed on the substrate 1, the color film layer 2 includes a plurality of color resistors 21 and a black matrix 22 disposed between two adjacent color resistors 21, and the color resistors 21 and the light emitting layer 110 are correspondingly disposed. It can be understood that, in the invention, the color film layer 2 replaces the polarizer, and the color film layer 2 can play a role in polarizing and filtering light at the same time, so that the thickness of the display panel can be greatly reduced, and the integrated integration can be realized.
The micro-lens array layer 3 is arranged on one side, away from the substrate 1, of the color film layer 2, the micro-lens array layer 3 comprises a plurality of micro-lens units 31 distributed in an array mode, and the micro-lens units 31 are in one-to-one correspondence with the color resistors 21. The flat layer 4 covers the microlens array layer 3, and light passes through the color resistance 21 is jetted into in the microlens unit 31, and the microlens unit 31 with the border department of flat layer 4 produces and diverges to can improve the light-emitting divergence angle, be favorable to improving because in the color film layer 2 the black matrix 22 shelters from the partial light-emitting of luminescent layer 110 and the light-emitting visual angle that leads to attenuates, be favorable to promoting user's use experience.
Specifically, the light emitting device layer 11 further includes an anode, a hole injection layer, a hole transport layer, an electron injection layer, an electron transport layer, a cathode, and other film layers, which are known in the art and will not be described in detail herein.
In one embodiment, the light emitting layer 110 at least includes a red light emitting layer, a green light emitting layer and a blue light emitting layer, and since the light emitting efficiency of the blue light emitting layer is lower than that of the other two colors, the light emitting efficiency of the red light emitting layer is the highest, in the embodiment of the present invention, the light emitting area of the blue light emitting layer is larger than that of the green light emitting layer, and the light emitting area of the green light emitting layer is larger than that of the red light emitting layer.
Correspondingly, the color resistors 21 at least include a red color resistor R, a green color resistor G and a blue color resistor B, the red color resistor R is disposed corresponding to the red light emitting layer, the green color resistor G is disposed corresponding to the green light emitting layer, and the blue color resistor B is disposed corresponding to the blue light emitting layer. The area of the blue color resistor B is larger than that of the green color resistor G, and the area of the green color resistor G is larger than that of the red color resistor R.
In one embodiment, the microlens unit 31 is a convex microlens, and the refractive index of the microlens unit 31 is smaller than that of the planarization layer. It can be understood that the planarization layer 4 is made of a high refractive index material, and since the refractive index of the microlens unit 31 is smaller than that of the planarization layer 4, a part of the light emitted from the light emitting layer 110 enters the microlens unit 31, and the light entering the microlens unit 31 is refracted at the boundary between the microlens unit 31 and the planarization layer 4, so that the light is further diffused, the propagation angle of the light is changed, and the light emitting diffusion angle can be increased.
Specifically, the refractive index of the microlens unit 31 ranges from 1.3 to 1.6, and the refractive index of the planarization layer 4 ranges from 1.5 to 2.1, for example, in one embodiment, the refractive index of the microlens unit 31 is 1.3, and the refractive index of the planarization layer is 1.5.
In the embodiment of the present invention, the microlens unit 31 includes a first light modulation part 310, the first light modulation part 310 is disposed on the color film layer 2, and the planarization layer 4 covers the color film layer 2 and the microlens unit 31, that is, the planarization layer 4 covers the color film layer 2 and the first light modulation part 310, and the planarization layer 4 is filled in an interval between two adjacent microlens units 31.
In one embodiment, the orthographic projection of each microlens unit 31 on the substrate 1 covers the orthographic projection of the corresponding color resistor 21 on the substrate 1, so that all the light passing through the color resistor 21 can enter the microlens unit 31, and further divergence caused by partial light not entering the microlens unit 31 is avoided.
In one embodiment, the thickness of the planarization layer 4 ranges from 5 micrometers to 30 micrometers, and the specific thickness of the planarization layer 4 can be adjusted according to actual requirements.
In one embodiment, the material of the microlens unit 31 and the planarization layer 4 can be both transparent organic materials. Specifically, the microlens unit 31 may be made of a transparent silicone material, and the planarization layer 4 may be made of a polymer organic material, such as one or more of acrylic resin, polytetrafluoroethylene, a polystyrene compound, and a polyester compound.
Alternatively, the shape of the microlens unit 31 may be any one of a trapezoid, a hemisphere, an ultra-hemisphere, and a parabola, that is, the shape of the first light modulation part 310 may be any one of a trapezoid, a hemisphere, an ultra-hemisphere, a parabola, and a semi-ellipse. For example, in the embodiment of the present invention, the shape of the first light modulation part 310 is a semi-elliptical shape.
In one embodiment, the microlens unit 31 has a symmetrical shape, so that the light can be emitted uniformly.
In an embodiment, a plurality of microlens material droplets arranged in an array may be printed on the substrate 1 by using an inkjet printing apparatus, and after UV curing, a plurality of microlens units 31 arranged in an array may be formed. The planarization layer 4 may be coated on the entire surface of the substrate 1 and the microlens unit 31 by spin coating, inkjet printing or slit coating, and of course, the microlens array layer 3 may also be formed by other methods such as stamping, photolithography, and the like, which is not limited in the embodiments of the present invention.
Further, the substrate 1 further includes an array substrate 12, a pixel definition layer 13, an encapsulation layer 14, and a touch layer 15. The array substrate 12 includes a substrate and a thin film transistor array layer disposed on the substrate, where the thin film transistor array layer includes a plurality of thin film transistors distributed in an array for driving the light emitting device layer 11 to emit light. The pixel defining layer 13 is disposed on the array substrate 12, the light emitting device layer 11 is disposed on the pixel defining layer 13, the pixel defining layer 13 defines a plurality of openings, and the light emitting layer 110 is disposed in the openings. The encapsulation layer 14 covers the light emitting device layer 11 and is used for blocking water and oxygen from corroding the light emitting device layer 11, and the encapsulation layer 14 can be packaged by adopting a thin film. The touch layer 15 is arranged between the packaging layer 14 and the color film layer 2 and used for realizing touch control.
Further, the Touch layer 15 may be a DOT (Direct On Cell Touch, which is directly fabricated On the package layer) structure, and there is no need to separately add an external Touch layer, so that the display panel has better light transmittance and bending resistance, and the thickness of the display panel can be effectively reduced, which is beneficial to reducing the product cost.
Specifically, the touch layer 15 includes a plurality of touch units 150 and an insulating layer 151, the plurality of touch units 150 are disposed on the encapsulation layer 14, and the insulating layer 151 covers the plurality of touch units 150. The insulating layer 151 is used to planarize the plurality of touch units 150 and prevent moisture from damaging the touch units 150. Specifically, the material of the insulating layer 151 may be an inorganic material such as silicon nitride or silicon oxide.
In an embodiment, please refer to fig. 2, fig. 2 is a schematic cross-sectional structure diagram of a second display panel according to an embodiment of the present invention, and fig. 2 is different from fig. 1 in that the shape of the first light modulation part 310 may be a trapezoid, and further, the shape of the first light modulation part 310 may be a regular trapezoid, which is relatively simpler in appearance and has higher mass production feasibility.
In an embodiment, please refer to fig. 3, fig. 3 is a schematic cross-sectional structure diagram of a third display panel according to an embodiment of the present invention, and fig. 3 is different from fig. 1 in that the microlens unit 31 further includes a second light modulation part 311, the second light modulation part 311 is disposed between the color film layer 2 and the first light modulation part 310, that is, the second light modulation part 311 is disposed on the color film layer 2, and the first light modulation part 310 is disposed on the second light modulation part 311.
Specifically, the second light modulation part 311 may have a rectangular shape.
Specifically, the second light modulation part 311 and the first light modulation part 310 are made of the same material, and the second light modulation part 311 and the first light modulation part 310 may be formed through the same process.
In an embodiment, please refer to fig. 4, fig. 4 is a schematic cross-sectional structure diagram of a fourth display panel according to an embodiment of the present invention, and fig. 4 is different from fig. 3 in that the microlens array layer 3 further includes a filling portion 32, the filling portion 32 is disposed on the color film layer 2, the filling portion 32 is located between two adjacent microlens units 31, and the planarization layer 4 covers the filling portion 32 and the microlens units 31.
Specifically, the material of the filling part 32 is the same as that of the microlens unit 31, and further, the material of the filling part 32 is the same as that of the second light-adjusting part 311, and the filling part 32 and the second light-adjusting part 311 can be prepared by the same process.
In one embodiment, the filling portion 32 and the second light adjusting portion 311 can be formed by coating a micro-lens material droplet on the entire surface of the color film layer 2 by spin coating, ink-jet printing or slit coating; then, a plurality of microlens units 31 are formed on the second light modulation part 311 by using an inkjet printing or yellow light process. Thereafter, the planarization layer 4 may be applied to the filling part 32 and the microlens unit 31 by spin coating, inkjet printing, or slit coating.
In an embodiment, referring to fig. 5, fig. 5 is a schematic cross-sectional structure view of a fifth display panel according to an embodiment of the present invention, and fig. 5 is different from fig. 1 in that the microlens units 31 in fig. 5 are concave microlenses, and a refractive index of the microlens units 31 is greater than a refractive index of the planarization layer 4. It can be understood that the microlens unit 31 is made of a high refractive index material, since the refractive index of the microlens unit 31 is greater than that of the planarization layer 4, a part of the light emitted from the light emitting layer 110 enters the microlens unit 31, and the light entering the microlens unit 31 is refracted at the boundary between the microlens unit 31 and the planarization layer 4, so that the light is further diffused, the propagation angle of the light is changed, and the light emitting diffusion angle can be increased.
Specifically, the refractive index of the microlens unit 31 ranges from 1.5 to 2.1, and the refractive index of the planarization layer 4 ranges from 1.3 to 1.6, for example, in one embodiment, the refractive index of the microlens unit 31 is 1.5, and the refractive index of the planarization layer 4 is 1.3.
In the embodiment of the present invention, the planarization layer 4 covers the color film layer 2 and the microlens units 31, that is, the planarization layer 4 fills the space between two adjacent microlens units 31.
In an embodiment, please refer to fig. 6, fig. 6 is a schematic cross-sectional structure diagram of a sixth display panel according to an embodiment of the present invention, and fig. 6 is different from fig. 5 in that the microlens array layer 3 further includes a filling portion 32, the filling portion 32 is disposed on the color film layer 2, the filling portion 32 is located between two adjacent microlens units 31, and the planarization layer 4 covers the filling portion 32 and the microlens units 31.
Specifically, the material of the filling portion 32 is the same as that of the microlens unit 31, the filling portion 32 and the microlens unit 31 can be prepared by the same process, specifically, droplets of the microlens material can be coated on the entire surface of the color film layer 2 in a spin coating, inkjet printing or slit coating manner, and then the plurality of microlens units 31 distributed in an array are formed by using an inkjet printing or yellow light process. Thereafter, the planarization layer 4 may be applied to the filling part 32 and the microlens unit 31 by spin coating, inkjet printing, or slit coating.
As can be seen from the above, in the embodiment of the present invention, the microlens array layer 3 and the planarization layer 4 with different refractive indexes are additionally provided, and the shape of the microlens unit 31 is matched, so as to increase the light emitting divergence angle, thereby improving the light emitting visual angle attenuation caused by the partial light emitting of the light emitting layer 110 shielded by the black matrix 22 in the color film layer 2 when the display panel adopts the Pol-less technology.
The embodiment of the invention also provides a display device, which comprises the display panel and the cover plate, wherein the cover plate is arranged on one side of the display panel and used for protecting the display panel, and the cover plate can be a transparent glass cover plate. The display device may be a wearable device, such as a smart bracelet, a smart watch, a Virtual Reality (VR) device, etc., as well as a mobile smartphone, an electronic book and newspaper, a television, a personal laptop computer, and a foldable or rollable flexible OLED display and lighting device.
The embodiment of the invention also provides a preparation method of the display panel, which comprises the following steps:
s10: a substrate 1 is provided, the substrate 1 comprising a light emitting device layer 11, the light emitting device layer 11 comprising a light emitting layer 110.
Specifically, referring to fig. 7A, the step S10 further includes the following steps:
s101, providing an array substrate 12;
s102, forming a pixel defining layer 13 and the light emitting device layer 11 on the array substrate 12;
s103, forming an encapsulation layer 14 on the pixel defining layer 13 and the light emitting device layer 11;
and S104, forming a touch layer 15 on the packaging layer 14.
Specifically, the step S104 includes the following steps:
forming a plurality of touch units 150 on the encapsulation layer 14;
an insulating layer 151 is formed to cover the encapsulation layer 14 and the plurality of touch units 150.
S20: forming a color film layer 2 on the substrate 1, wherein the color film layer 2 includes a plurality of color resistors 21 and a black matrix 22 disposed between two adjacent color resistors 21.
Specifically, referring to fig. 7B, the black matrix 22 and the color resistor 21 may be formed by two yellow light processes, or the black matrix 22 may be formed by one yellow light process, and then the color resistor 21 may be formed between two adjacent black matrices 22 by inkjet printing.
S30: the color film layer 2 is far away from one side of the substrate 1 to form a micro-lens array layer 3, the micro-lens array layer 3 comprises a plurality of micro-lens units 31 distributed in an array manner, and the micro-lens units 31 are arranged in a one-to-one correspondence manner with the color resistors 21.
Specifically, referring to fig. 7C, a plurality of microlens material droplets arranged in an array may be printed on the substrate 1 by using an inkjet printing apparatus, and after UV curing, a plurality of microlens units 31 arranged in an array are formed. The flat layer 4 can be coated on the entire surface of the color film layer 2 and the microlens unit 31 by spin coating, ink-jet printing or slit coating.
S40: a planarization layer 4 is formed on the microlens array layer 3, and the planarization layer 4 covers the microlens array layer 3.
Specifically, referring to fig. 7D, the planarization layer 4 may be formed by coating a transparent organic material on the entire surface of the color film layer 2 and the microlens unit 31 by spin coating, inkjet printing or slit coating.
The beneficial effects are that: according to the display panel and the display device provided by the embodiment of the invention, the color film layer adopting a Pol-less structure is provided with the micro-lens array layer and the flat layer, the micro-lens array layer comprises a plurality of micro-lens units distributed in an array, the micro-lens units and the color resistors are arranged in a one-to-one correspondence manner, light can be dispersed at the boundary of the micro-lens units and the flat layer, so that the light emitting dispersion angle can be increased, and the attenuation of the light emitting visual angle caused by the fact that a black matrix in the color film layer shields part of light of the color light emitting layer can be improved.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. A display panel, comprising:
a substrate including a light emitting device layer including a light emitting layer;
the color film layer is arranged on the substrate and comprises a plurality of color resistors and a black matrix arranged between every two adjacent color resistors, and the color resistors are arranged corresponding to the light-emitting layer;
the micro-lens array layer is arranged on one side, far away from the substrate, of the color film layer and comprises a plurality of micro-lens units distributed in an array mode, and the micro-lens units and the color resistors are arranged in a one-to-one corresponding mode; and
and the flat layer covers the micro-lens array layer, light is emitted into the micro-lens units through the color resistors, and divergence is generated at the boundary of the micro-lens units and the flat layer.
2. The display panel according to claim 1, wherein the microlens unit is a convex microlens, and a refractive index of the microlens unit is smaller than a refractive index of the planarization layer.
3. The display panel according to claim 1, wherein the microlens unit is a concave microlens, and a refractive index of the microlens unit is larger than a refractive index of the planarization layer.
4. The display panel according to claim 1, wherein an orthogonal projection of each of the microlens units on the substrate covers an orthogonal projection of the corresponding color resistance on the substrate.
5. The display panel of claim 1, wherein the planarization layer covers the color film layer and the microlens unit.
6. The display panel of claim 1, wherein the microlens array layer further comprises a filling portion disposed on the color film layer, and the filling portion is located between two adjacent microlens units.
7. The display panel according to claim 6, wherein a material of the filling portion and a material of the microlens unit are the same.
8. The display panel of claim 1, wherein the substrate further comprises:
an array substrate;
the pixel definition layer is arranged on the array substrate, and the light emitting layer is arranged in an opening defined and formed on the pixel definition layer;
an encapsulation layer covering the light emitting device layer; and
and the touch layer is arranged between the packaging layer and the color film layer.
9. The display panel according to claim 8, wherein the touch layer comprises a plurality of touch units and an insulating layer, the plurality of touch units are disposed on the encapsulation layer, and the insulating layer covers the plurality of touch units.
10. A display device comprising the display panel according to any one of claims 1 to 9; and
and the cover plate is arranged on one side of the display panel.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113707825A (en) * | 2021-08-03 | 2021-11-26 | 武汉华星光电半导体显示技术有限公司 | Display panel and mobile terminal |
| CN116828698A (en) * | 2023-08-31 | 2023-09-29 | 深圳市卓汉材料技术有限公司 | Electromagnetic shielding film, electromagnetic shielding package and preparation method thereof |
| WO2023231672A1 (en) * | 2022-05-30 | 2023-12-07 | 京东方科技集团股份有限公司 | Display device and control method therefor |
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