CN110047889A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN110047889A CN110047889A CN201910300560.1A CN201910300560A CN110047889A CN 110047889 A CN110047889 A CN 110047889A CN 201910300560 A CN201910300560 A CN 201910300560A CN 110047889 A CN110047889 A CN 110047889A
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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
- H10K50/84—Passivation; Containers; Encapsulations
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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
- H10K50/86—Arrangements for improving contrast, e.g. preventing reflection of ambient light
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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
- H10K59/122—Pixel-defining structures or layers, e.g. banks
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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]
Abstract
The present invention provides a kind of display panel and display device, display panel includes several luminescence units being arranged in array substrate and pixel confining layer, and filter layer and black matrix on the luminescence unit, further include: thin-film encapsulation layer, and the thin-film encapsulation layer and/or the pixel confining layer have concavo-convex interface, display panel provided by the invention, reduce the reflectivity of external environment light, ensure the display effect of display panel, solve the problems, such as that the reflectivity in existing panel due to external environmental light is higher and causes display panel display effect by extreme influence.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of display panel and display devices.
Background technique
Display screen, which has been widely used for mobile electronic device, (such as can be used for communication terminal, tablet computer, electricity
The philosophical works and navigation equipment) and the numerous areas such as screen enlarging electronic device, wherein Organic Light Emitting Diode (Organic
Light-Emitting Diode, referred to as: OLED) because with low-power consumption, high color saturation, wide viewing angle, thin thickness, be able to achieve it is soft
The superiority such as property are gradually applied in display screen.
Currently, specifically forming optical filter (Color in thin-film encapsulation layer using BM-CF technology in OLED display screen
Filter, referred to as: CF) and black matrix (Black Matrix, referred to as: BM) come replace rotatory polarization piece (due to polaroid not only thickness but also
Firmly), wherein black matrix as color define structure carry out shading, optical filter for will light identical with optical filter color it is saturating
It crosses, when setting, BM and CF are often arranged in thin-film encapsulation layer, and BM separates each CF.
However, above-mentioned display panel is in use, there are the higher problems of reflection of ambient light, so that display panel
Display effect be affected.
Summary of the invention
In order to solve the problems, such as at least one mentioned in background technique, the present invention provides a kind of display panel and display dress
It sets, reduces the exit dose of reflected light, reduce reflectivity.
To achieve the goals above, the present invention provides a kind of display panel, including several being arranged in array substrate
Luminescence unit and pixel confining layer, and filter layer and black matrix on the luminescence unit, wherein further include:
Thin-film encapsulation layer, and the thin-film encapsulation layer and/or the pixel confining layer have concavo-convex interface.
Display panel provided by the invention has concave-convex boundary by the thin-film encapsulation layer and/or the pixel confining layer
Face, the incident light that the concavo-convex interface is used to be emitted on the display panel carry out diffusing reflection and refraction, are irradiated in this way
Incident light diffusing reflection and refraction at concavo-convex interface on display panel, finally makes the optical path of incident light change, causes
Portion of incident light, which does not enter inside display panel, to be reflected or portion of incident light is refracted into inside display panel and carries out
Reflection, and reflection light is blocked by black matrix, to reduce the exit dose of reflected light, reduces the anti-of external environmental light
Penetrate rate, it is ensured that the display effect of display panel, therefore, display panel provided in this embodiment reduces external environment light
Reflectivity, it is ensured that the display effect of display panel, solve reflectivity in existing panel due to external environmental light it is higher and
Cause the problem of display panel display effect is by extreme influence.
In above-mentioned display panel, optionally, the concavo-convex interface includes at least several arc convex.
In above-mentioned display panel, optionally, recessed portion is formed between the two neighboring arc convex, alternatively,
It is connected between the two neighboring arc convex by arc-shaped concave, and the arc convex and the arc-shaped concave are connected to form
The wavy concavo-convex interface.
In above-mentioned display panel, optionally, the thin-film encapsulation layer include the first inorganic film being stacked,
Organic film and the second inorganic film, first inorganic film are located on the luminescence unit and the pixel confining layer, and
The concavo-convex interface is formed in one of them in first inorganic film, organic film and the second inorganic film.
In above-mentioned display panel, optionally, the filter layer and the black matrix be located at the organic film and
Between second inorganic film or the filter layer and the black matrix are located in the organic film, alternatively, the filter
Photosphere and the black matrix are located between the organic film and first inorganic film.
In above-mentioned display panel, optionally, institute is formed towards the one side of the filter layer in the organic film
State concavo-convex interface, and the concavo-convex interface be equipped with light-permeable and refractive index be less than the inorganic boundary layer of the organic film,
The filter layer and the black matrix are located on the inorganic boundary layer, alternatively,
The one side of the organic film towards second inorganic film forms the concavo-convex interface, and the concavo-convex interface
Equipped with light-permeable and refractive index is less than the inorganic boundary layer of the organic film, and second inorganic film is located at the nothing
On machine boundary layer.
In above-mentioned display panel, optionally, the inorganic boundary layer is layer of ito.
In above-mentioned display panel, optionally, second inorganic film is in the one side of the organic film
Form the concavo-convex interface, and the concavo-convex interface be equipped with light-permeable and refractive index be less than having for second inorganic film
Machine boundary layer.
In above-mentioned display panel, optionally, first inorganic film is towards in the one side of the organic film
The concavo-convex interface is formed, the organic film is located in the concavo-convex interface.
In above-mentioned display panel, optionally, further includes: barrier film, it is inorganic that the barrier film is located at described second
In film layer.
In above-mentioned display panel, optionally, the one side of the pixel confining layer towards the black matrix forms institute
Concavo-convex interface is stated, and the one side of the luminescence unit towards the thin-film encapsulation layer is arcwall face.
In above-mentioned display panel, optionally, the display panel further includes being separated by the pixel confining layer
Multiple pixel regions, the luminescence unit is provided in the pixel region, the luminescence unit includes the first electricity being stacked
Pole layer, organic luminous layer and the second electrode lay, and the second electrode lay includes the bump in the concavo-convex interface
Point and the arch section on the organic luminous layer.
The present invention also provides a kind of display devices, including any of the above-described display panel.
Construction and its other goals of the invention and beneficial effect of the invention will be in conjunction with the accompanying drawings to preferred reality
Apply the description of example and more obvious and easy to understand.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to make simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the schematic diagram of the section structure of existing display panel；
Fig. 2 is the schematic diagram of the section structure for the display panel that the embodiment of the present invention one provides；
The structural schematic diagram of concavo-convex interface in the display panel that Fig. 3 provides for the embodiment of the present invention one；
The another structural schematic diagram of concavo-convex interface in the display panel that Fig. 4 provides for the embodiment of the present invention one；
Fig. 5 is the another the schematic diagram of the section structure for the display panel that the embodiment of the present invention one provides；
Fig. 6 is the schematic diagram of the section structure of display panel provided by Embodiment 2 of the present invention.
Description of symbols:
10- array substrate；20- planarization layer；30- luminescence unit；31- first electrode layer；
32- organic luminous layer；33- the second electrode lay；301- pixel confining layer；40- thin-film encapsulation layer；
The first inorganic film of 41-；The second inorganic film of 42-；43- organic film；50- concavo-convex interface；
The inorganic boundary layer of 51-；60- filter layer；61- black matrix；70- barrier film.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the preferred embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or
Similar label indicates same or similar component or component with the same or similar functions.Described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to
It is used to explain the present invention, and is not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
The embodiment of the present invention is described in detail with reference to the accompanying drawing.
In the description of the embodiment of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " should broadly understood, for example, can make to be fixedly connected, be also possible to through the indirect phase of intermediary
Even, the connection inside two elements or the interaction relationship of two elements be can be.For the ordinary skill people of this field
For member, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Embodiment one
Fig. 2 is the schematic diagram of the section structure for the display panel that the embodiment of the present invention one provides, and Fig. 3 is the embodiment of the present invention one
The structural schematic diagram of concavo-convex interface in the display panel of offer, Fig. 4 are concave-convex in the display panel that provides of the embodiment of the present invention one
The another structural schematic diagram at interface, Fig. 5 are the another the schematic diagram of the section structure for the display panel that the embodiment of the present invention one provides.
The present inventor has found during practical study, and that there are reflection of ambient light is higher for current display panel
The problem of, and inventor is the study found that the reason of leading to the problem of this is: in existing display panel, disappeared using rotatory polarization piece
Reflection except cathode surface to external environmental light, but since rotatory polarization piece thickness is larger and again hard, be unfavorable for bending, in order to subtract
The thickness of small display panel improves bending performance, specifically, as shown in Figure 1, display panel includes array substrate, is located at array
200 (the Thin-Film of thin-film encapsulation layer of several luminescence units and the covering luminescence unit and array substrate on substrate
Encapsulation, referred to as: TFE), each luminescence unit includes the anode layer being cascading in array substrate, organic
Luminescent layer (such as organic luminous layer 101, organic luminous layer 102, organic luminous layer 103) and cathode layer 104, and use BM-CF skill
Art forms optical filter and black matrix 300 in thin-film encapsulation layer 200 to replace rotatory polarization piece so that the display panel it is bent and
Thickness reduces, however in use process, when environment light (shown in solid arrow as shown in figure 1) is irradiated in BM (black matrix 300),
BM is by environment light absorption, so that the environment light being irradiated at BM cannot be introduced into inside display panel, but environment light (is such as filtered from CF
Mating plate 401, optical filter 402, optical filter 403) at it is incident after, by thin-film encapsulation layer 200, reflected at cathode layer 104
And project outward, incident path and reflection path are as illustrated by the arrows in fig. 1, wherein reflection path is the opposite of incident path
Path causes the incident light being irradiated on optical filter to be all reflected in this way, so that the reflectivity of environment light is larger, to aobvious
Show that the display effect of panel impacts.
And, the embodiment of the present invention provides following solution: referring to Fig. 2 based on above-mentioned discovery
Shown, the present embodiment provides a kind of display panel, display panel includes several luminescence units being arranged in array substrate 10
30 and pixel confining layer 301, and filter layer 60 on luminescence unit 30 and with black matrix 61, in the present embodiment,
Pixel confining layer 301 separates two neighboring luminescence unit 30, and filter layer 60 is located at the top of luminescence unit 30, and filter layer 60 is used
It is penetrated in the light for issuing corresponding luminescence unit 30, black matrix 61 separates two adjacent filter layers 60, wherein this reality
It applies in example, black matrix 61 and pixel confining layer 301 are opposite in the vertical direction, and luminescence unit 30 and filter layer 60 are in vertical direction
It is upper opposite, and projected area of the filter layer 60 on luminescence unit 30 is more than or equal to the area of luminescence unit 30, ensures so black
Matrix 61 is not easy to cause to block to luminescence unit 30 in the vertical direction, wherein in the present embodiment, as shown in Fig. 2, in array base
Planarization layer 20 is also set up between plate 10 and luminescence unit 30, is configured in this way convenient for luminescence unit 30.
Wherein, in the present embodiment, in order to reduce the reflectivity for the environment light being irradiated on display panel, specifically, also wrapping
It includes: thin-film encapsulation layer 40, and thin-film encapsulation layer 40 and/or pixel confining layer 301 have concavo-convex interface 50, so as to be irradiated to display
Incident light on panel carries out diffusing reflection and refraction at concavo-convex interface 50, so that the incident light being irradiated on display panel
Optical path change, the light that causes incident light to project outward after reflection is reduced, reduce the reflectivity of environment light,
In, in the present embodiment, as shown in Fig. 2, specifically, thin-film encapsulation layer 40 is located in pixel confining layer 301 and luminescence unit 30, and
Thin-film encapsulation layer 40 has concavo-convex interface 50, and the portion of incident light being irradiated on display panel in this way is overflow at concavo-convex interface 50
It is reflected into other directions and does not enter in display panel and reflected, while part enters the refraction light in display panel after reflection
Optical path direction changes, and part reflection light can be stopped by black matrix 61, to reach the exit dose for reducing transmitting light, reduces
The reflectivity of incident light.
Alternatively, pixel confining layer 301 has concavo-convex interface 50, in this way when incident light enters display panel in the present embodiment
After interior, diffusing reflection is carried out in the concavo-convex interface 50 of pixel confining layer 301, light changes through reflected light path, finally black
It is blocked at matrix 61, reduces the exit dose of reflected light, meanwhile, in the present embodiment, when pixel confining layer 301 has concave-convex boundary
When face 50, the electrode layer of such luminescence unit 30 in concavo-convex interface 50 when covering, so that concaveconvex structure is formed on electrode layer, this
When sample incident light is irradiated on the concaveconvex structure of electrode layer, light carries out diffusing reflection, so that the optical path of reflected light changes, it is black
Matrix 61 blocks reflection light, so that the exit dose of reflected light is reduced, reduces reflectivity.
Alternatively, thin-film encapsulation layer 40 and pixel confining layer 301 all have concavo-convex interface 50 in the present embodiment, irradiate in this way
Diffusing reflection of the incident light Jing Guo two layers of concavo-convex interface 50 and refraction on to display panel is so that the exit dose of reflected light drops significantly
It is low, reduce the reflectivity of external environmental light.
In the present embodiment, when by setting concavo-convex interface 50, so that incident light not will form reflex circuit shown in Fig. 1
Diameter, incident light is after 50 diffusing reflection of concavo-convex interface and refraction, and optical path changes, and part reflection light is hidden by black matrix 61
Gear, reduces the exit dose of reflected light, to achieve the purpose that reduce reflectivity.
Wherein, in the present embodiment, when display panel includes thin-film encapsulation layer 40, black matrix 61 and filter layer 60 can at this time
To be arranged on thin-film encapsulation layer 40 or black matrix 61 and filter layer 60 can also be located at the inside of thin-film encapsulation layer 40,
Or black matrix 61 and filter layer 60 are located at the lower section of thin-film encapsulation layer 40, in the present embodiment, as shown in Fig. 2, by black matrix 61
It is located in thin-film encapsulation layer 40 with filter layer 60.
Therefore, display panel provided in this embodiment has recessed by thin-film encapsulation layer 40 and/or pixel confining layer 301
Raised key axis 50, the incident light that concavo-convex interface 50 is used to be emitted on display panel carry out diffusing reflection and refraction, are irradiated in this way
Incident light diffusing reflection and refraction at concavo-convex interface 50 on display panel, finally makes the optical path of incident light change, makes
Do not enter inside display panel at portion of incident light reflected or portion of incident light be refracted into inside display panel into
Row reflection, and reflection light is blocked by black matrix 61, to reduce the exit dose of reflected light, reduces external environmental light
Reflectivity, it is ensured that the display effect of display panel, therefore, display panel provided in this embodiment reduces external environment
The reflectivity of light, it is ensured that the display effect of display panel, solve in existing panel due to the reflectivity of external environmental light compared with
It is high and cause the problem of display panel display effect is by extreme influence.
Further, on the basis of the above embodiments, in the present embodiment, as shown in figure 3, concavo-convex interface 50 includes several
A arc convex 501, and recessed portion 502, i.e., in the present embodiment, concavo-convex interface 50 are formed between two neighboring arc convex 501
It is connected to form ups and downs interface by several arc convex 501, when such incident light is projected in the concavo-convex interface 50, meeting
It is diffusely reflected all directions, wherein in the present embodiment, arc convex 501 is specifically as follows semicircle convex surface or arc is convex
The radian in face 501 is selected with specific reference to actual demand, as long as the arc convex 501 can carry out diffusing reflection.
Further, on the basis of the above embodiments, in the present embodiment, as shown in figure 4, concavo-convex interface 50 includes several
A arc convex 501 and the arc-shaped concave 503 between arc convex 501, and 503 phase of arc convex 501 and arc-shaped concave
Company forms wavy concavo-convex interface 50, i.e., in the present embodiment, concavo-convex interface 50 is handed over by arc convex 501 and arc-shaped concave 503
Mistake is connected to form wavy interface, when such incident light is irradiated on arc convex 501 and arc-shaped concave 503, due to convex surface and
Concave surface is arcuate structure, so incident light can be diffusely reflected other directions, so that the optical path of incident light changes, black
The lower exit dose for reducing incident light of the effect of blocking of matrix 61.
Further, on the basis of the above embodiments, in the present embodiment, as shown in Fig. 2, thin-film encapsulation layer 40 includes layer
The first inorganic film 41, organic film 43 and the second inorganic film 42 of folded setting, the first inorganic film 41 are located at luminescence unit
30 and pixel confining layer 301 on, organic film 43 is located on the first inorganic film 41, and the second inorganic film 42 is located at organic film
On 43, and concavo-convex interface 50 is formed in one of them in the first inorganic film 41, organic film 43 and the second inorganic film 42,
Such as concavo-convex interface 50 can be formed on the first inorganic film 41, or concavo-convex interface can be formed on organic film 43
50, or concavo-convex interface 50 can also be formed on the second inorganic film 42, in the present embodiment, as shown in Fig. 2, specifically,
Concaveconvex structure is formed on organic film 43, wherein in the present embodiment, the first inorganic film 41 is located at luminescence unit 30 and pixel limit
When in given layer 301, which plays the role of completely cutting off steam, effective protection luminescence unit 30 in the short time.
Further, on the basis of the above embodiments, in the present embodiment, filter layer 60 and black matrix 61 are located at organic film
Layer 43 and second between inorganic film 42 or filter layer 60 and black matrix 61 are located in organic film 43, alternatively, filter layer 60
And black matrix 61 is located between organic film 43 and the first inorganic film 41, i.e., in the present embodiment, filter layer 60 and black matrix 61
It is located inside thin-film encapsulation layer 40, in the present embodiment, as shown in Fig. 2, filter layer 60 and black matrix 61 are specifically located at organic film
43 inside, wherein in the present embodiment, when in 61 thin-film encapsulation layer 40 of filter layer 60 and black matrix, with display shown in FIG. 1
Panel is compared, and in the present embodiment, the vertical distance between black matrix 61 and luminescence unit Unit 30 is reduced, so that shine view
Angle b increases (referring to following Fig. 6), and in Fig. 1, since black matrix 61 is located on thin-film encapsulation layer 40, so as shown in figure 1 black
It is perpendicular between vertical distance between matrix 61 and luminescence unit 30 black matrix 61 greatly in this present embodiment and luminescence unit 30
Straight distance, so luminous visual angle a in Fig. 1 is less than the luminous visual angle b of the application, so, in the present embodiment, by by filter layer
60 and black matrix 61 be located inside thin-film encapsulation layer 40, increase luminous visual angle.
Further, on the basis of the above embodiments, in the present embodiment, as shown in figure 5, filter layer 60 and black matrix 61
It is located in organic film 43, and forms concavo-convex interface 50 towards the one side of filter layer 60 in organic film 43, specifically, such as Fig. 5
Shown, the one side in organic film 43 towards 60 bottom surface of filter layer forms concavo-convex interface 50, can also be organic in the present embodiment
One side in film layer 43 towards 60 top surface face of filter layer forms concavo-convex interface 50.
Wherein, in the present embodiment, since filter layer 60 and black matrix 61 are organic film 43, in such manufacturing process,
When filter layer 60 and black matrix 61 are located in the concavo-convex interface 50 of organic film 43, belong to the superposition of two organic films 43,
After black matrix 61 and filter layer 60 is arranged in concavo-convex interface 50 in this way on organic film 43, so that not deposited in thin-film encapsulation layer 40
It can carry out irreflexive concavo-convex interface 50, in the present embodiment, irreflexive concavo-convex interface 50 can be carried out in order to be formed, have
Body, in concavo-convex interface 50 equipped with light-permeable and refractive index be less than organic film 43 inorganic boundary layer 51, filter layer 60
It is located on inorganic boundary layer 51 with black matrix 61, inorganic boundary layer 51 is used for organic film 43 and filter layer 60 and black matrix 61
It separates, so that the concavo-convex interface 50 on organic film 43 will not be filled and led up by filter layer 60 and black matrix 61 and can not carry out unrestrained anti-
It penetrates, so, in the present embodiment, made between organic film 43 and filter layer 60 and black matrix 61 by the way that inorganic boundary layer 51 is arranged
It is formed and carries out irreflexive concavo-convex interface 50 for incident light, in the present embodiment, the optical path of incident light is specifically such as the solid line in Fig. 5
(dotted arrow in Fig. 5 is the path that the light that luminescence unit 30 issues projects outward) shown in arrow, is irradiated to display panel
On incident light through diffusing reflection and refraction are carried out after filter layer 60 in concavo-convex interface 50, wherein the reflected light after diffusing reflection
To other directions to external reflectance, the inside for not entering display panel is reflected by the electrode layer of luminescence unit 30, is partially entered
Incident light in organic film 43 optical path after superrefraction changes, and is blocked after reflection by black matrix 61, to reduce
The exit dose for emitting light, reduces emissivity.Wherein, in the present embodiment, the refractive index of inorganic boundary layer 51 is less than organic film
43, when such incident light reflects, refraction angle is larger, and refracted light is easily blocked by black matrix 61 after reflection.
Alternatively, in the present embodiment, when filter layer 60 and black matrix 61 are located in organic film 43, at this point, concavo-convex interface
50 can be located on black matrix 61 and filter layer 60, specifically, as shown in Fig. 2, by organic film 43 towards the second inoranic membrane
Layer 42 one side formed concavo-convex interface 50, and concavo-convex interface 50 be equipped with light-permeable and refractive index be less than organic film 43 nothing
Machine boundary layer 51, the second inorganic film 42 is located on inorganic boundary layer 51, in the present embodiment, when concavo-convex interface 50 is located at organic film
When on the top surface of layer 43, at this time incident light by 50 diffusing reflection back reflection of concavo-convex interface to other directions, while inorganic boundary layer
51 refractive index be less than organic film 43, when such incident light reflects, refraction angle is larger, the easy black matrix 61 of refracted light into
Row blocks, i.e., portion of incident light projects in black matrix 61 (as shown in the dotted line connector in Fig. 2), so significantly after superrefraction
Reduce the incident light entered inside display surface, so that the exit dose of display panel internal reflected light is reduced, reduces anti-
Penetrate rate.Meanwhile in the present embodiment, when the second inorganic film 42 is located on inorganic boundary layer 51, belong to two inorganic films
Superposition, so the adhesion strength between the second inorganic film 42 and inorganic boundary layer 51 is bigger, wherein in the present embodiment, need
It is bright, since organic film 43 and the second inorganic film 42 are two different film layers of attribute, so when on organic film 43
When forming concavo-convex interface 50, it can also be not provided with inorganic boundary layer 51, the second inorganic film 42 can be set up directly on bumps
On interface 50, still can be formed can carry out irreflexive concavo-convex interface 50 to incident light in this way.
Wherein, in the present embodiment, inorganic boundary layer 51 is specially tin indium oxide (ITO) layer, makes two by the way that ITO is arranged
Concavo-convex interface 50 can be formed between organic film 43, wherein in the present embodiment, inorganic boundary layer 51 can also be other refractions
Rate is less than the inorganic film of organic film 43.
Further, on the basis of the above embodiments, in the present embodiment, concavo-convex interface 50 is formed in the second inoranic membrane
On layer 42, specifically, the second inorganic film 42 forms concavo-convex interface 50, and concavo-convex interface 50 in the one side of organic film 43
Equipped with light-permeable and refractive index has that is, in the present embodiment less than the organic interface layer (not shown) of the second inorganic film 42
The refractive index of machine boundary layer is less than the refractive index of the second inorganic film 42, and such incident light is after superrefraction, the refraction angle of light
Larger, the light after refraction is easily absorbed by black matrix 61.Wherein, in the present embodiment, the material of organic interface layer specifically can be with
The material of organic film 43 is identical, in the present embodiment, makes to set on the second inorganic film 42 in this way by the way that organic interface layer is arranged
The inorganic layer set is spaced apart with the second inorganic film 42, so that can form concavo-convex interface 50 on the second inorganic film 42.
Further, on the basis of the above embodiments, in the present embodiment, the first inorganic film 41 is towards organic film 43
One side on form concavo-convex interface 50, organic film 43 is located in concavo-convex interface 50, i.e., can be by concavo-convex interface in the present embodiment
50 are located on the first inorganic film 41, when such incident light reaches concavo-convex interface 50 through filter layer 60 and organic film 43, warp
It crosses diffusing reflection to reflect to all directions, part reflection light is blocked by black matrix 61 and can not be projected outward, reduces reflection in this way
The exit dose of light reduces reflectivity.
Further, on the basis of the above embodiments, in the present embodiment, further includes: barrier film 70, barrier film 70 are located at
On second inorganic film 42, wherein it should be noted that when forming concavo-convex interface 50 on the second inorganic film 42, barrier film
70 are specifically located in concavo-convex interface 50, and in the present embodiment, barrier film 70 plays the role of blocking oxygen, steam.
Embodiment two
Fig. 6 is the schematic diagram of the section structure of display panel provided by Embodiment 2 of the present invention.
The difference of display panel and above-described embodiment provided in this embodiment are as follows: as shown in fig. 6,301 court of pixel confining layer
Concavo-convex interface 50 is formed to the one side of black matrix 61, and the one side of luminescence unit 30 towards thin-film encapsulation layer 40 is arcwall face, tool
Body, as shown in fig. 6, the one side of luminescence unit 30 towards thin-film encapsulation layer 40 is cancave cambered surface, alternatively, luminescence unit 30 is towards thin
The one side of film encapsulated layer 40 may be arc convex, and thin-film encapsulation layer 40 is covered in concavo-convex interface 50 and luminescence unit 30,
I.e. in the present embodiment, concavo-convex interface 50 is located on the top surface of pixel confining layer 301, after such incident light enters, reaches pixel limit
Other directions are diffusely reflected when the concavo-convex interface 50 of given layer 301, part reflection light is blocked by black matrix 61, while part enters
When penetrating the arcwall face of light arrival luminescence unit 30, after reflection, the optical path of reflected light changes, and part reflected light is hacked square
Battle array 61 is blocked, so that the exit dose of reflected light is reduced, and reduces reflectivity.
Wherein, in the present embodiment, the structure of concavo-convex interface 50 specifically can be with reference to describing in above-described embodiment one, this reality
It applies in example and repeats no more.
Further, on the basis of the above embodiments, in the present embodiment, display panel further includes by pixel confining layer
The 301 multiple pixel regions separated, luminescence unit 30 is provided in pixel region, and luminescence unit 30 includes the first electricity being stacked
Pole layer 31, organic luminous layer 32 and the second electrode lay 33, and the second electrode lay 33 includes the bumps in concavo-convex interface 50
Part and the arch section on organic luminous layer 32, i.e., in the present embodiment, the second electrode lay 33 extends to pixel restriction
In the concavo-convex interface 50 of layer 301, so that the second electrode lay 33 is located at the part in concavo-convex interface 50 in concaveconvex structure, second electrode
Layer 33 arch section make luminescence unit towards thin-film encapsulation layer 40 one side be arcwall face, when incident light reach second electrode
Other directions are diffusely reflected when the concaveconvex structure of layer 33, while when incident light is reached on the arch section of the second electrode lay 33,
It finds to change by reflected light path, part diffusing reflection light and reflection light are blocked by black matrix 61, to reduce reflection
The exit dose of light.
Wherein, in the present embodiment, one of them in first electrode layer 31 and the second electrode lay 33 can be cathode layer, separately
One can be in anode layer, such as the present embodiment, the second electrode lay 33 can be cathode layer, and first electrode layer 31 is anode
Layer.
Wherein, in the present embodiment, it should be noted that can also in pixel confining layer 301 formed concavo-convex interface 50 when,
Internal it can form in thin-film encapsulation layer 40 or also concavo-convex interface 50 simultaneously.
Embodiment three
The present embodiment provides a kind of display panels, and the display panel is specially flexible OLED panel, wherein the flexibility
Oled panel includes several luminescence units 30 being arranged in array substrate 10 and pixel confining layer 301, and is located at and shines
Filter layer 60 and black matrix 61 on unit 30 that is, using filter layer 60 and black matrix 61 instead of rotatory polarization piece, and filter
Layer 60 and the thickness of black matrix 61 are less than rotatory polarization piece, and filter layer 60 and black matrix 61 are often made of organic material, have
Certain flexibility can be bent, so that display panel tends to ultrathin design and bent, so as to be suitable for Flexible Displays
In screen, meanwhile, in the present embodiment, further includes: thin-film encapsulation layer 40, and thin-film encapsulation layer 40 and/or pixel confining layer 301 have
Concavo-convex interface 50 makes in this way so that the incident light being irradiated on display panel carries out diffusing reflection and refraction at concavo-convex interface 50
The optical path for the incident light that must be irradiated on display panel changes, and the light for causing incident light to project outward after reflection subtracts
It is few, the reflectivity of environment light is reduced, so, display panel provided in this embodiment realizes low reflection, ultra-thin and bent
Purpose.
Wherein, in the present embodiment, as shown in Fig. 2, specifically, thin-film encapsulation layer 40 can be located at 301 He of pixel confining layer
On luminescence unit 30, and thin-film encapsulation layer 40 has concavo-convex interface 50, and the portion of incident light being irradiated on display panel in this way exists
It is diffusely reflected other directions at concavo-convex interface 50 does not enter in display panel and reflected, while part enters in display panel
Refraction light optical path direction changes after reflection, part reflection light can be stopped by black matrix 61, thus reach reduction hair
The exit dose for penetrating light reduces the reflectivity of incident light.
Wherein, the other structures of display panel provided in this embodiment can specifically refer to described in above-described embodiment,
It is repeated no more in the present embodiment.
Therefore, display panel provided in this embodiment realizes low reflection, ultra-thin and can compared with existing display panel
The purpose of bending.
Example IV
The present embodiment four provides a kind of display device, and display device can be flexible OLED display part, or can be
Any tools such as TV, digital camera, mobile phone, tablet computer, smartwatch, e-book, navigator including OLED display device
There are the product or component of display function.
Display device provided in this embodiment includes display panel described in any of the above-described embodiment, and in display panel by
In setting concavo-convex interface 50, when such external environmental light is irradiated in display device, incident light passes through 50 diffusing reflection of concavo-convex interface
It changes with optical path after refraction, finally, so that the exit dose of reflected light is reduced, reduces the reflectivity of environment light, so that aobvious
More preferably, therefore, display device provided in this embodiment realizes the mesh of reflection of ambient light reduction to the display effect of showing device
, it solves in existing display device and causes the display effect of display device by very big shadow due to the high reflectance of environment light
Loud problem.
In the description of the embodiment of the present invention, it is to be understood that term " on ", "lower", "front", "rear", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" are orientation based on the figure or position
Relationship is merely for convenience of description of the present invention and simplification of the description, rather than indicates or imply that signified device or element must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.In the present invention
Description in, the meaning of " plurality " is two or more, accurately specifically provide unless otherwise.
The description and claims of this application and term " first ", " second ", " third ", " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that embodiments herein described herein for example can be to remove
Sequence other than those of illustrating or describe herein is implemented.In addition, term " includes " and " having " and theirs is any
Deformation, it is intended that cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, system, production
Product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for this
A little process, methods, the other step or units of product or equipment inherently.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
Technical solution documented by foregoing embodiments can so be studied and be changed, or some or all of the technical features are carried out
Equivalent replacement；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution various embodiments of the present invention technical side
The range of case.
Claims (10)
1. a kind of display panel including several luminescence units being arranged in array substrate and pixel confining layer, and is located at
Filter layer and black matrix on the luminescence unit, which is characterized in that further include:
Thin-film encapsulation layer, and the thin-film encapsulation layer and/or the pixel confining layer have concavo-convex interface.
2. display panel according to claim 1, which is characterized in that it is convex that the concavo-convex interface includes at least several arcs
Face, wherein recessed portion is formed between the two neighboring arc convex, alternatively, passing through between the two neighboring arc convex
Arc-shaped concave is connected, and the arc convex and the arc-shaped concave are connected to form the wavy concavo-convex interface.
3. display panel according to claim 1, which is characterized in that the thin-film encapsulation layer includes first be stacked
Inorganic film, organic film and the second inorganic film, first inorganic film are located at the luminescence unit and pixel limit
The concave-convex boundary is formed in given layer, and in one of them in first inorganic film, organic film and the second inorganic film
Face.
4. display panel according to claim 3, which is characterized in that the filter layer and the black matrix, which are located at, described to be had
Between machine film layer and second inorganic film or the filter layer and the black matrix are located in the organic film, or
Person, the filter layer and the black matrix are located between the organic film and first inorganic film.
5. display panel according to claim 4, which is characterized in that towards the one of the filter layer in the organic film
Face forms the concavo-convex interface, and the concavo-convex interface be equipped with light-permeable and refractive index be less than the inorganic of the organic film
Boundary layer, the filter layer and the black matrix are located on the inorganic boundary layer, alternatively,
The one side of the organic film towards second inorganic film forms the concavo-convex interface, and sets in the concavo-convex interface
Have light-permeable and refractive index be less than the inorganic boundary layer of the organic film, second inorganic film is located at the inorganic world
In surface layer.
6. display panel according to claim 5, which is characterized in that the inorganic boundary layer is layer of ito.
7. display panel according to claim 3, which is characterized in that second inorganic film deviates from the organic film
One side on form the concavo-convex interface, and the concavo-convex interface be equipped with light-permeable and refractive index to be less than described second inorganic
The organic interface layer of film layer, alternatively,
Towards the concavo-convex interface is formed in the one side of the organic film, the organic film is located at first inorganic film
In the concavo-convex interface.
8. display panel according to claim 1 or 3, which is characterized in that the pixel confining layer is towards the black matrix
One side form the concavo-convex interface, and the one side of the luminescence unit towards the thin-film encapsulation layer is arcwall face.
9. display panel according to claim 8, which is characterized in that the display panel further includes being limited by the pixel
Multiple pixel regions for separating of layer are provided with the luminescence unit in the pixel region, and the luminescence unit includes being stacked
First electrode layer, organic luminous layer and the second electrode lay, and the second electrode lay include be located at the concavo-convex interface on
Concavo-convex portion and the arch section on the organic luminous layer.
10. a kind of display device, which is characterized in that including any display panel of the claims 1-9.
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| CN110429111A (en) * | 2019-07-15 | 2019-11-08 | 昆山工研院新型平板显示技术中心有限公司 | Display panel and display device |
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