CN107123664A - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN107123664A CN107123664A CN201710243677.1A CN201710243677A CN107123664A CN 107123664 A CN107123664 A CN 107123664A CN 201710243677 A CN201710243677 A CN 201710243677A CN 107123664 A CN107123664 A CN 107123664A
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- Prior art keywords
- luminescence unit
- underlay substrate
- light shield
- shield layer
- display panel
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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
- H10K59/50—OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements
Abstract
The invention discloses a kind of display panel and display device, including underlay substrate, it is arranged on multiple luminescence units on underlay substrate, each luminescence unit is arranged on to deviate from underlay substrate side and there is the light shield layer of setpoint distance, and the reflection part being arranged between light shield layer and each luminescence unit between luminescence unit；The figure and reflection part of light shield layer are corresponded with each luminescence unit, and light shield layer at least partly covers the orthographic projection of luminescence unit, and the orthographic projection of covering reflection part in the orthographic projection of underlay substrate.Light shield layer above luminescence unit can stop incidence of the external environmental light to luminescence unit, therefore can suppress the reflection by the reflecting surface in luminescence unit to ambient light；And reflection part is set between light shield layer and luminescence unit, the emergent light of luminescence unit can be made by the final outwards outgoing of limited secondary reflection of reflection part.Due to the devices such as polaroid, the problem of reflection part does not only result in emergent light colour cast to light reflection yet is not used.
Description
Technical field
The present invention relates to display technology field, espespecially a kind of display panel and display device.
Background technology
OLED (Organic Light Emitting Diode) display panel has fast response time and frivolous spy
Point has been applied to the fields such as mobile display device and television equipment at present.OLED display panel is comprising multiple under normal circumstances
OLED display device is as luminescence unit, and each display device is by anode, negative electrode and the hair being arranged between
Photosphere is constituted.What is launched by OLED at this stage is self-luminous, and difference and liquid crystal display panel, OLED display panel are not required to
Polaroid is set again entering light side, device can be made lightening.But ambient light incident into OLED display panel when, by
In anode and negative electrode material more than using metal or material with light-reflecting property, reflected ambient light can be returned, then
OLED will influence to display contrast when being shown.In order to solve problem above, it will usually set again in OLED light emission side
One rotatory polarization piece (combination of the phase delay film layer of polarisation film layer and λ/4), has had one when ambient light first passes through polarisation film layer
Semi-gloss can not pass through, and a remaining semi-gloss is by the phase delay film layer of λ/4, then after anode/cathode reflection with it is original
Polarization direction differ 90 degree, therefore the light reflected can not be by the outside outgoing of polarisation film layer, so as to solve ambient light
Reflection problems.
However, rotatory polarization piece can not only prevent reflected ambient light, the half light that also OLED can light prevents outgoing,
So that the brightness of OLED display panel halves, power consumption is doubled.In addition, light outgoing after by rotatory polarization piece that OLED is sent
Light can also exist some colour casts, influence display effect.
The content of the invention
The embodiment of the present invention provides a kind of display panel and display device, and the reflection to reduce external environmental light is eliminated
The colour cast of emergent light.
In a first aspect, the embodiment of the present invention provides a kind of display panel, including：
Underlay substrate, is arranged on multiple luminescence units on the underlay substrate, is arranged on each luminescence unit and deviates from
The underlay substrate side and the light shield layer that there is setpoint distance between the luminescence unit, and it is arranged on the light shield layer
With the reflection part between each luminescence unit；Wherein,
The figure of the light shield layer is corresponded with each luminescence unit, the light shield layer in the underlay substrate just
Projection at least partly covers orthographic projection of the luminescence unit in the underlay substrate；
The reflection part is corresponded with each luminescence unit, orthographic projection of the light shield layer in the underlay substrate
Cover orthographic projection of the reflection part in the underlay substrate.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, the light shield layer
Orthographic projection of the luminescence unit in the underlay substrate is completely covered in the orthographic projection of the underlay substrate.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, the luminous list
Member is organic light-emitting units, is included in the first electrode set gradually on the underlay substrate, luminescent layer and second electrode；
The first electrode is completely covered in the underlay substrate in the orthographic projection of the underlay substrate in the light shield layer
Orthographic projection.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, the reflecting part
Part is a reflector layer, and the reflector layer is located at the light shield layer towards the surface of the underlay substrate side, the reflector layer
Reflective surface is the surface of out-of-flatness.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, the reflecting part
Part includes the first reflector layer and the second reflector layer；
First reflector layer is located at the light shield layer towards the surface of the underlay substrate side；Second reflector layer
Positioned at the luminescence unit towards the light shield layer side surface；
The reflective surface of first reflector layer is plane, and the reflective surface of second reflector layer is the surface of out-of-flatness.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, the reflector layer
The reflective surface of out-of-flatness is broached-tooth design or wave structure.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, the light shield layer
Setpoint distance between each luminescence unit is 1-3 μm.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, in addition to：It is located at
Each luminescence unit deviates from the encapsulation cover plate of the underlay substrate side；
The light shield layer is located at the encapsulation cover plate towards the surface of the underlay substrate side.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, in addition to：Covering
The encapsulating film of each organic light-emitting units；The encapsulating film includes the organic film and inorganic film that multilayer is arranged alternately；
The light shield layer is located at the position where the organic film and/or the inorganic film.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, the light shield layer
Material include carbon or black organic matter.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, in addition to：For
The pixel defining layer of each organic light-emitting units region is defined, and positioned at the underlay substrate and each organic hair
Array layer between light unit.
Second aspect, the embodiment of the present invention provides a kind of display device, including any of the above-described display panel.
The present invention has the beneficial effect that：
Display panel provided in an embodiment of the present invention and display device, including underlay substrate, are arranged on underlay substrate
Multiple luminescence units, are arranged on each luminescence unit and deviate from underlay substrate side and there is the screening of setpoint distance between luminescence unit
Photosphere, and the reflection part being arranged between light shield layer and each luminescence unit；The figure of light shield layer and each luminescence unit are one by one
Correspondence, light shield layer at least partly covers orthographic projection of the luminescence unit in underlay substrate in the orthographic projection of underlay substrate；Reflection part
Corresponded with each luminescence unit, light shield layer covers orthographic projection of the reflection part in underlay substrate in the orthographic projection of underlay substrate.
Incidence of the external environmental light to luminescence unit can be stopped by being arranged on the light shield layer above luminescence unit, therefore can suppress to be sent out
Reflection of the reflecting surface to ambient light in light unit；And reflection part is set between light shield layer and luminescence unit, it can make
The emergent light of luminescence unit passes through the final outwards outgoing of limited secondary reflection of reflection part.Due to the devices such as polaroid are not used,
Not the problem of reflection part does not only result in emergent light colour cast to light reflection yet.
Brief description of the drawings
Fig. 1 is one of structural representation of display panel provided in an embodiment of the present invention；
Fig. 2 is the two of the structural representation of display panel provided in an embodiment of the present invention；
Fig. 3 is the three of the structural representation of display panel provided in an embodiment of the present invention；
Fig. 4 is the shooting angle schematic diagram of luminescence unit provided in an embodiment of the present invention；
Fig. 5 is the two of the emitting light path schematic diagram of luminescence unit in Fig. 3；
Fig. 6 a are the four of the structural representation of display panel provided in an embodiment of the present invention；
Fig. 6 b are the emitting light path schematic diagram of luminescence unit in Fig. 6 a；
Fig. 7 is the five of the structural representation of display panel provided in an embodiment of the present invention；
Fig. 8 is the six of the structural representation of display panel provided in an embodiment of the present invention；
Fig. 9 is the overlooking the structure diagram of display panel provided in an embodiment of the present invention；
Figure 10 a are the plan of display device provided in an embodiment of the present invention；
Figure 10 b are the sectional view of display device provided in an embodiment of the present invention.
Embodiment
The embodiment of the present invention provides a kind of display panel and display device, and the reflection to reduce external environmental light is eliminated
The colour cast of emergent light.
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing the present invention is made into
One step it is described in detail, wherein, the thickness and shape of each part do not reflect the actual proportions of display device in accompanying drawing, and purpose is
Schematically illustrate present invention.Obviously, described embodiment is only a part of embodiment of the invention, rather than whole realities
Apply example.Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under the premise of creative work is not made
All other embodiment, belong to the scope of protection of the invention.
For problems of the prior art, the embodiments of the invention provide a kind of display panel, as shown in figure 1, this
The display panel that inventive embodiments are provided, including：
Underlay substrate 11, is arranged on multiple luminescence units 12 on underlay substrate 11, is arranged on each luminescence unit 12 and deviates from
The side of underlay substrate 11 and the light shield layer 13 that there is setpoint distance between luminescence unit 12, and it is arranged on light shield layer 13 and each
Reflection part 14 between luminescence unit 12；Wherein,
The figure of light shield layer 13 is corresponded with each luminescence unit 12, light shield layer 13 underlay substrate 11 orthographic projection at least
Orthographic projection of the part covering luminescence unit 12 in underlay substrate 11；
Reflection part 14 is corresponded with each luminescence unit 12, and light shield layer 13 covers reflection in the orthographic projection of underlay substrate 11
Orthographic projection of the part 14 in underlay substrate 11.
In actual applications, the outside outgoing of the light of the luminescence unit in display panel, human eye watches display after the receipt
Picture.At the same time, external environmental light can also be to incidence inside display panel, and some in luminescence unit is run into are reflective
Can occur light reflection after part, a part of reflected light can together with the outgoing of luminescence unit institute light to human eye outgoing, thus
So that the contrast reduction of the display picture of display panel, influences display effect.
In view of this, in above-mentioned display panel provided in an embodiment of the present invention, underlay substrate is deviated from each luminescence unit 12
11 side sets light shield layer 13, and corresponds the figure of light shield layer 13 and each luminescence unit 12, and light shield layer 13 is in lining
The orthographic projection of substrate 11 at least partly covers orthographic projection of each luminescence unit 12 in underlay substrate 11, and being arranged such can be one
Determine to stop that external environmental light is incident to each luminescence unit 12 in degree, so as to also reduce external environmental light in luminescence unit 12
In reflecting surface occur light reflection, therefore ambient light reflected light to each 12 outgoing of luminescence unit be used for show figure
The influence of the light of picture is smaller, no longer influences the contrast of display picture.
Further, in order to increase the outgoing efficiency that each luminescence unit 12 launches light, it is provided in an embodiment of the present invention on
State in display panel, there is provided with the one-to-one reflection part 14 of each luminescence unit 12.Acting as the reflection part 14 will
Each luminescence unit 12 passes through reflection part 14 and the reflecting surface in each luminescence unit to the light of the outgoing of light shield layer 13, by having
The external exit for being reflected towards display panel of limit time.Reflection part only has the effect of reflection to light, therefore, for than existing
Rotatory polarization piece is used in technology, the problem of reflection part can't cause colour cast to the emergent light of luminescence unit 12 further carries
Rise display effect.And light shield layer 13 covers positive throwing of each reflection part 14 in underlay substrate 11 in the orthographic projection of underlay substrate 11
Shadow, in other words the area of light shield layer 13 be more than or equal to each reflection part 14 area, each luminescence unit 12 can be avoided to shine
The light of light shield layer 13 is blocked layer 13 and absorbed, and reduces light extraction efficiency.
In the specific implementation, reflection part 14 can be between corresponding luminescence unit 12 at intervals so that anti-
The cavity for being formed between the reflecting surface in part 14 and luminescence unit and light being made vibrate in its internal reflection is penetrated, so that sending out
Backward display panel external exit of the emergent light of light unit 12 Jing Guo reflection.In addition, provided in an embodiment of the present invention above-mentioned aobvious
Show that panel is preferably applied to the display device that angle of squint is watched, be such as arranged on the display device at keyboard edge.
As a preferred embodiment, in above-mentioned display panel provided in an embodiment of the present invention, as shown in Fig. 2
Orthographic projection of the luminescence unit 12 in underlay substrate is completely covered in the orthographic projection of underlay substrate 11 in light shield layer 13.In order to avoid the external world
Ambient light incides the reflecting surface of luminescence unit, can be set to light shield layer 13 to be completely covered on the direction of orthographic projection luminous
The size of unit 12, and be likely to result in the problem of light extraction efficiency is reduced in view of the area of light shield layer 13 is excessive, preferably can be by
The area of light shield layer 13 sets the area equation with each luminescence unit 12.
The direct application of above-mentioned display panel provided in an embodiment of the present invention is organic LED display panel
(OLED), when above-mentioned display panel provided in an embodiment of the present invention is OLED display panel, as shown in figure 3, luminescence unit 12
For organic light-emitting units, it is included in the first electrode 121 set gradually on underlay substrate 11, luminescent layer 122 and second electrode
123。
Further, first electrode 121 is completely covered in underlay substrate 11 in the orthographic projection of underlay substrate 11 in light shield layer 13
Orthographic projection.
In actual applications, above-mentioned OLED display panel can be top emission type display panel.Under normal circumstances, the first electricity
Pole 121 can be as anode, and second electrode 123 can be negative electrode.During in view of actual fabrication, generally use tin indium oxide (ITO) for
The mode of substrate evaporation high-reflectivity metal makes anode, therefore the reflectivity of anode is high；Made by the way of evaporation metal
The negative electrode of very thin thickness, so that negative electrode has half-reflection and half-transmission property.Thus, in order to suppress the ambient light to external world of first electrode 121
Reflection, light shield layer 13 can be blocked to the region where first electrode 121 completely.As shown in figure 4, being blocked completely for light shield layer 13
Index path during luminescent layer 122 in each luminescence unit 12, as seen from Figure 4, the edge of luminescent layer 122 is to adjacent screening
The gap outgoing of photosphere 13 will not be blocked layer 13 and block.I.e. in Fig. 4, the rising angle of luminescent layer 122 light more than
θ1And less than θ2Region, and more than θ3And less than θ4Region will not be blocked layer 13 and block.And in luminescent layer 122
When rising angle is not present in above-mentioned two region, the emergent light of luminescent layer 122 will be by positioned at the top of second electrode 123
Reflection part reflects backward display panel external exit.As follows will be in two kinds of enforceable modes to the (luminescent layer of luminescence unit 12
122) emitting light path is illustrated.
In a kind of enforceable mode, as shown in Figure 3 and Figure 4, reflection part 14 is a reflector layer, and reflector layer, which is located at, to be hidden
Photosphere 13 towards the side of underlay substrate 11 surface, and reflector layer reflective surface be out-of-flatness surface.Shown making OLED
In the manufacturing process of panel, second electrode 123 (negative electrode) will not generally be divided according to luminescence unit, but make a flood
Metal is as negative electrode, and (i.e. above-mentioned is reflective inciding reflection part 14 for the light of luminescence unit 12 (luminescent layer 122) institute outgoing
Layer) after, can occur limited secondary reflection between reflector layer and negative electrode (i.e. second electrode 123), finally go out to outside display panel
Penetrate.
As shown in figure 5, luminescent layer 122 is in outer display panel external emission light a, it is anti-below light shield layer 13 inciding
Light reflection occurs after photosphere, reflected light a ' is incident to second electrode 123；Then light can be sent out again on the surface of second electrode 123
The third contact of a total solar or lunar eclipse reflects, and secondary reflection light a " incides the void area of light shield layer 13, finally to the external exit of display panel.Fig. 5 institutes
The index path shown is only with reflection twice for example, in actual applications, light may between reflector layer and second electrode 123
Can occur the more final external exit to display panel of reflection.
In another enforceable mode, as shown in Figure 6 a, it is anti-that reflection part 14 includes the first reflector layer 141 and second
Photosphere 142；First reflector layer 141 is located at light shield layer 13 towards the surface of the side of underlay substrate 11；Second reflector layer 142 is located at hair
Surface of the light unit 12 towards the side of light shield layer 13.Wherein, the reflective surface of the first reflector layer 141 is plane, the second reflector layer 142
Reflective surface be out-of-flatness surface.
As shown in Figure 6 b, the emergent light b of luminescent layer 122 is incided be located at first to during the incidence of the region of light shield layer 13
The surface of first reflector layer 141 of the lower section of light shield layer 13 is reflected by the first reflector layer 141, and reflected light b ' is to the second reflector layer 142
Incidence, after the reflection by the second reflector layer 142, secondary reflection light b " incides the void area of light shield layer 13, finally
To the external exit of display panel.In actual applications, reflected light is in the first reflector layer 141, the second reflector layer 142 and second
The situation that the final outwards outgoing of more secondary reflections may occur between electrode is not limited herein.
In above two embodiment, there is the structure that the reflecting surface of reflector layer is arranged to out-of-flatness, using this
The setting of sample can avoid the light for impinging perpendicularly on reflective layer surface from being reflected by former road and without normal direction display panel external exit
Situation occur.
Preferably, in above-mentioned display panel provided in an embodiment of the present invention, the reflective surface of reflector layer out-of-flatness can be saw
Toothing or wave structure.As shown in Figure 3-Figure 5, the reflecting surface of reflector layer is broached-tooth design, as shown in figures 6 a and 6b, the
The reflecting surface of two reflector layers 142 is broached-tooth design.And in actual applications, to make the emergent ray of each luminescence unit 12 can be with
More effectively to display panel external exit, the surface of reflector layer out-of-flatness can also be set to irregular multiple angles phase
The mode mutually combined, the embodiment of the present invention is herein only for example, the other feelings that can not implement to reflector layer out-of-flatness surface
Condition is defined.
In the specific implementation, in above-mentioned display panel provided in an embodiment of the present invention, due to needing to set for reflection light
The cavity of multiple reflections can be carried out by being placed in, therefore will be separated by setpoint distance between light shield layer 13 and each luminescence unit 12, the setting
Distance can be 1-3 μm.And above-mentioned setpoint distance can also be reduced in practical application if necessary to which the thickness of display panel is thinned,
The embodiment of the present invention is not defined to the specific value of above-mentioned setpoint distance.
The OLED display panel of actual fabrication can be using two kinds of packing forms, i.e. two kinds of encapsulation cover plate encapsulation and thin-film package
Form, therefore for both the above packing forms, the embodiment of the present invention additionally provides following two light shield layer structures.
In a kind of enforceable mode, as shown in Fig. 3 and Fig. 6 a, above-mentioned display panel provided in an embodiment of the present invention,
Also include：Deviate from the encapsulation cover plate 15 of the side of underlay substrate 11 positioned at each luminescence unit 12；Light shield layer 13 is located at encapsulation cover plate 15
Towards the surface of the side of underlay substrate 11., can be first by the figure formation of light shield layer 13 in encapsulation cover plate during actual fabrication
On, then the step of OLED is encapsulated.
In another enforceable mode, as shown in fig. 7, above-mentioned display panel provided in an embodiment of the present invention, is also wrapped
Include：Cover the encapsulating film 16 of each organic light-emitting units 12；Encapsulating film 16 may include the organic film 161 and nothing that multilayer is arranged alternately
Machine film layer 162；Due to there is setpoint distance between light shield layer 13 and luminescence unit 12, therefore light shield layer 13 can be located at and remove and second
Position where any one adjacent film layer of electrode 123, in above-mentioned display panel provided in an embodiment of the present invention, light shield layer
13 can be located at the position where organic film 161 and/or inorganic film 162.Specifically, light shield layer 13 can be located at a certain organic film
Position (removing the organic film adjacent with second electrode 123) where layer 161, or may be alternatively located at a certain institute of inorganic film 162
Position (remove the inorganic film adjacent with second electrode 123), or may be located on adjacent two layers or more tunic layer institute
Position.
By taking display panel as shown in Figure 7 as an example, encapsulating film 16 includes three layers of organic film 161 and two layers of inorganic film
162, light shield layer 13 is occupied positioned at the middle position for being originally used for inorganic film 162.Certainly, during light shield layer 13 can also take
Between be originally used for position of inorganic film etc., will not enumerate herein.
And when making light shield layer 13, it would however also be possible to employ Organic sunscreen material or inorganic light-proofness material, it can such as adopt
Above-mentioned light shield layer is made of inorganic material such as carbon.During encapsulating film 16 is formed, for the material selected by light shield layer 13
Material can make it take one layer of organic film therein or inorganic film.For example, shading can be made during from Organic sunscreen material
Layer 13 takes the position where one layer of organic film；And when making light shield layer 13 from inorganic light-proofness material, one can be taken
Position where layer inorganic film.
Above-mentioned organic LED display panel provided in an embodiment of the present invention can be active-matrix organic electroluminescent
(Active Matrix Organic Light Emitting Diode, AMOLED) panel, now, as shown in figure 8, display surface
Plate also includes：Pixel defining layer 17 for defining each region of organic light-emitting units 12, and positioned at underlay substrate 11 with
Array layer 18 between each organic light-emitting units 12.
Specifically, array layer 18 may include thin film transistor (TFT) (the Thin Film for controlling each luminescence unit 12
Transistor, abbreviation TFT), storage capacitance and drive circuit etc..One thin film transistor (TFT) TFT is used to control to be used as one
The luminescence unit 12 of pixel cell.As shown in figure 8, thin film transistor (TFT) TFT is specifically included：The grid 181 that is cascading, have
Active layer 182, source electrode 183a and drain electrode 183b.Luminescence unit 12 includes first electrode 121 (anode), luminescent layer 122 and second
Electrode 123 (negative electrode).Wherein the first electrode 121 of luminescence unit 12 connects corresponding drain electrode 183b by via, for controlling
The luminescence unit it is luminous.
The present invention is also tested to the reflectivity of above-mentioned organic LED display panel, as shown in figure 9, being
The top view of above-mentioned organic LED display panel provided in an embodiment of the present invention, pixel defining layer 17 is by each luminescence unit
Region is defined, and orthographic projection of the first electrode (anode) in luminescence unit in underlay substrate is completely covered in light shield layer 13.
In structure as shown in Figure 9, the width for covering the light shield layer of luminescence unit is that the spacing between a, two neighboring luminescence unit is
b；In actual test, in the case of a=70.5 μm, b=15 μm, above-mentioned display panel structure do not increase light shield layer 13 with
And its reflectivity may be up to 50% during reflection part, and its reflectivity after above-mentioned light shield layer and reflection part is added
9.6% can be dropped to.As can be seen here, ring can effectively be reduced using the structure of above-mentioned display panel provided in an embodiment of the present invention
The reflection of border light, lifts display effect.
In addition, the substrate of above-mentioned organic LED display panel provided in an embodiment of the present invention can be flexible base board,
Flexible base board can be transparent, translucent or opaque.Specifically, flexible base board can use polyimides (PI), gather
Carbonic ester (PC), polyether sulfone (PES), polyethylene terephthalate (PET), more PEN (PEN), virtue
The polymeric material such as based compound (PAR) or fiberglass reinforced plastics (FRP) is formed.This real inventive embodiments is not to flexible base
The material that plate is used is defined.
Based on same design, the specific embodiment of the invention additionally provides a kind of display device, and the display device includes this hair
Any of the above-described display panel that bright specific embodiment is provided.The display device can be oled panel, OLED display, OLED TVs
Or the display device such as Electronic Paper, or the mobile device such as mobile phone, smart mobile phone.
So that above-mentioned display device is smart mobile phone as shown in Figure 10 a as an example, along the AA ' of hand intelligent machine display screen section
Face figure as shown in fig. lob, including upper substrate 100, infrabasal plate 200 and the display between upper substrate 100 and infrabasal plate 200
Panel 300, wherein, display panel 300 can be the structure of any of the above-described display panel, can specifically include：Multiple luminescence units
Light shield layer 320 and reflection part 330 be set above 310, and each luminescence unit, wherein reflection part 330 be located at light shield layer and
Between luminescence unit 310, light shield layer 320 covers the orthographic projection of reflection part 330 and luminescence unit 310 in underlay substrate.Thus
Stop incidence of the external environmental light to luminescence unit, suppress the reflection by the reflecting surface in luminescence unit to ambient light；Reflection
Part 330 makes the emergent light of luminescence unit by the final outwards outgoing of limited secondary reflection of reflection part, improves beam projecting effect
Rate.
Display panel provided in an embodiment of the present invention and display device, underlay substrate are arranged on multiple on underlay substrate
Luminescence unit, is arranged on each luminescence unit and deviates from underlay substrate side and there is the shading of setpoint distance between luminescence unit
Layer, and the reflection part being arranged between light shield layer and each luminescence unit；A pair of the figure of light shield layer and each luminescence unit 1
Should, light shield layer at least partly covers orthographic projection of the luminescence unit in underlay substrate in the orthographic projection of underlay substrate；Reflection part with
Each luminescence unit is corresponded, and light shield layer covers orthographic projection of the reflection part in underlay substrate in the orthographic projection of underlay substrate.If
Incidence of the external environmental light to luminescence unit can be stopped by putting the light shield layer above luminescence unit, therefore can suppress to be lighted
Reflection of the reflecting surface to ambient light in unit；And reflection part is set between light shield layer and luminescence unit, hair can be made
The emergent light of light unit passes through the final outwards outgoing of limited secondary reflection of reflection part.Due to the devices such as polaroid are not used, instead
Penetrate the problem of part does not only result in emergent light colour cast to light reflection yet.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (12)
1. a kind of display panel, it is characterised in that including：
Underlay substrate, is arranged on multiple luminescence units on the underlay substrate, is arranged on each luminescence unit away from described
Underlay substrate side and the light shield layer that there is setpoint distance between the luminescence unit, and it is arranged on the light shield layer and each
Reflection part between the luminescence unit；Wherein,
The figure of the light shield layer is corresponded with each luminescence unit, orthographic projection of the light shield layer in the underlay substrate
At least partly cover orthographic projection of the luminescence unit in the underlay substrate；
The reflection part is corresponded with each luminescence unit, and the light shield layer is covered in the orthographic projection of the underlay substrate
Orthographic projection of the reflection part in the underlay substrate.
2. display panel as claimed in claim 1, it is characterised in that the light shield layer is complete in the orthographic projection of the underlay substrate
Orthographic projection of the luminescence unit described in all standing in the underlay substrate.
3. display panel as claimed in claim 2, it is characterised in that the luminescence unit is organic light-emitting units, is included in
First electrode, luminescent layer and the second electrode set gradually on the underlay substrate；
Positive throwing of the first electrode in the underlay substrate is completely covered in the orthographic projection of the underlay substrate in the light shield layer
Shadow.
4. display panel as claimed in claim 1, it is characterised in that the reflection part is a reflector layer, the reflector layer
Positioned at the light shield layer towards the surface of the underlay substrate side, the reflective surface of the reflector layer is the surface of out-of-flatness.
5. display panel as claimed in claim 1, it is characterised in that the reflection part is anti-including the first reflector layer and second
Photosphere；
First reflector layer is located at the light shield layer towards the surface of the underlay substrate side；Second reflector layer is located at
Surface of the luminescence unit towards the light shield layer side；
The reflective surface of first reflector layer is plane, and the reflective surface of second reflector layer is the surface of out-of-flatness.
6. the display panel as described in claim 4 or 5, it is characterised in that the reflective surface of the reflector layer out-of-flatness is sawtooth
Structure or wave structure.
7. the display panel as described in claim any one of 1-5, it is characterised in that the light shield layer and each luminescence unit
Between setpoint distance be 1-3 μm.
8. the display panel as described in claim any one of 1-5, it is characterised in that also include：Positioned at each luminescence unit
Encapsulation cover plate away from the underlay substrate side；
The light shield layer is located at the encapsulation cover plate towards the surface of the underlay substrate side.
9. display panel as claimed in claim 3, it is characterised in that also include：Cover the envelope of each organic light-emitting units
Fill film；The encapsulating film includes the organic film and inorganic film that multilayer is arranged alternately；
The light shield layer is located at the position where the organic film and/or the inorganic film.
10. the display panel as described in claim any one of 1-5, it is characterised in that the material of the light shield layer include carbon or
Black organic matter.
11. display panel as claimed in claim 3, it is characterised in that also include：For defining each organic light-emitting units
The pixel defining layer of region, and the array layer between the underlay substrate and each organic light-emitting units.
12. a kind of display device, it is characterised in that including the display panel as described in claim any one of 1-11.
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| CN107123664B (en) | 2019-11-08 |
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Effective date of registration: 20211026 Address after: No.8 liufangyuan Road, Dongyi Industrial Park, Donghu New Technology Development Zone, Wuhan, Hubei Province Patentee after: WUHAN TIANMA MICRO-ELECTRONICS Co.,Ltd. Patentee after: Wuhan Tianma Microelectronics Co.,Ltd. Shanghai Branch Address before: Room 509, building 1, 6111 Longdong Avenue, Pudong New Area, Shanghai 201201 Patentee before: SHANGHAI TIANMA AM-OLED Co.,Ltd. |