CN110491924A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN110491924A CN110491924A CN201910794587.0A CN201910794587A CN110491924A CN 110491924 A CN110491924 A CN 110491924A CN 201910794587 A CN201910794587 A CN 201910794587A CN 110491924 A CN110491924 A CN 110491924A
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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
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
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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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Abstract
The invention discloses a kind of display panel and display devices.The display panel includes: light emitting device layer, and including the multiple sub-pixels being arranged in array, multiple sub-pixels include initial sub-pixel and adjustment sub-pixel；Chromatic filter layer is set to the light emission side of light emitting device layer, and chromatic filter layer includes multiple primary colours filter units, and each adjacent primary colours filter unit is correspondingly arranged by light blocking cell isolation, primary colours filter unit with sub-pixel；Dim light layer, multiple dimming units including the multiple adjustment sub-pixel settings of correspondence, each light being emitted in sub-pixel that adjusts are emitted by dimming unit.Display panel disclosed by the invention can reduce the light extraction efficiency of adjustment sub-pixel emergent light, and then improve the color offset phenomenon of display panel by the way that dimming unit is arranged in the top of adjustment sub-pixel.
Description
Technical field
The invention belongs to field of display technology more particularly to a kind of display panel and display devices.
Background technique
Organic Light Emitting Diode (Organic Light Emitting Diode, OLED) display has at low cost, visual angle
It is wide, driving voltage is low, fast response time, luminous color are abundant, preparation process is simple, large area flexible can be achieved show etc. it is excellent
Point is considered one of display technology most with prospects.
The luminescent device of different colours is made using different organic materials by OLED, is produced by the luminescent device of different colours
The light of raw monochromatic other colors of photosynthesis can be closed to be shown, such as by rubescent, green, blue three-color luminescent device
At the light of other any colors, still, when the light of monochromatic other colors of photosynthesis generated by the luminescent devices of different colours,
It is mismatched due to going out light, is also easy to produce colour cast, influences display effect.
Summary of the invention
The embodiment of the invention provides a kind of display panel and display devices, it is intended to improve the colour cast problem of display panel.
In a first aspect, the present invention provides a kind of display panel, comprising: light emitting device layer, it is multiple including what is be arranged in array
Sub-pixel, multiple sub-pixels include initial sub-pixel and adjustment sub-pixel；Chromatic filter layer, be set to light emitting device layer goes out light
Side, chromatic filter layer include multiple primary colours filter units, and each adjacent primary colours filter unit passes through light blocking cell isolation, primary colours
Filter unit is correspondingly arranged with sub-pixel；Dim light layer, multiple dimming units including the multiple adjustment sub-pixel settings of correspondence are each to adjust
The light of whole sub-pixel outgoing is emitted by dimming unit.
According to an aspect of the present invention, orthographic projection of the dimming unit on light emitting device layer at least partly covers corresponding
Adjust sub-pixel.
According to an aspect of the present invention, dimming unit is transparent delustring block, to weaken the light of corresponding adjustment sub-pixel
It is emitted to the intensity of the light outside display panel；Preferably, orthographic projection of the transparent delustring block on light emitting device layer is completely covered pair
The adjustment sub-pixel answered.
According to an aspect of the present invention, transparent delustring block is between adjacent light blocking unit, transparent delustring block with
Corresponding primary colours filter unit is stacked；Preferably, transparent delustring block is relative to primary colours filter unit close to light emitting device layer
Setting, transparent delustring block are neat close to a side surface of light emitting device layer close to a side surface of light emitting device layer and light blocking unit
It is flat；Or, transparent delustring block is arranged relative to primary colours filter unit far from light emitting device layer, transparent delustring block is far from light emitting device layer
A side surface flushed with light blocking unit far from a side surface of light emitting device layer.
It according to an aspect of the present invention, further comprise encapsulated layer, transparent delustring block is located in encapsulated layer, and encapsulated layer exists
Transparent delustring block corresponding position is formed with protrusion, and protrusion is between adjacent light blocking unit；Preferably, encapsulated layer include according to
Secondary the first inorganic layer being stacked, organic layer and the second inorganic layer, transparent delustring block be located at the first inorganic layer and organic layer it
Between or be located at organic layer in or between organic layer and the second inorganic layer；Or, organic layer includes multiple spaced directions
The lug boss formed away from the side of light emitting device layer, to form transparent delustring block.
According to an aspect of the present invention, the refractive index of the refractive index of transparent delustring block and primary colours filter unit, encapsulated layer
Unanimously, refractive index is 1.4~1.6；And/or the extinction coefficient of transparent delustring block is not less than 0.0009；Preferably, transparent delustring
The material of block includes at least one of polypropylene and high density polyethylene (HDPE).
According to an aspect of the present invention, dimming unit is light shielding block, to reduce the light outgoing of corresponding adjustment sub-pixel
Light quantity outside to display panel；Preferably, light shielding block has multiple equally distributed hollowed out areas.
According to an aspect of the present invention, primary colours filter unit is formed fluted in the side close to light emitting device layer, is hidden
Light block is located in groove, and a side surface of the close light emitting device layer of light shielding block, chromatic filter layer and light blocking unit
Surface close to light emitting device layer flushes；Or, primary colours filter unit forms fluted, shading in the side far from light emitting device layer
Block is located in groove, and a side surface of the separate light emitting device layer of light shielding block, chromatic filter layer and light blocking unit it is remote
Surface from light emitting device layer flushes；Or, display panel further comprises encapsulated layer, light shielding block is located in encapsulated layer；Preferably,
Encapsulated layer includes the first inorganic layer, organic layer and the second inorganic layer being cascading, and organic layer is far from the first inorganic layer
Side and/or formed fluted close to the side of the first inorganic layer, light shielding block is located in groove.
According to an aspect of the present invention, multiple adjustment sub-pixels include the adjustment sub-pixel of at least two colors, different
The thickness and/or area for the dimming unit that the adjustment sub-pixel of color is correspondingly arranged are different.
Second aspect, the present invention provide a kind of display device, the display panel including any of the above-described embodiment.
In the embodiment of the present invention, display panel has multiple adjustment sub-pixels, and corresponding adjustment sub-pixel is provided with dim light list
Member, each light for adjusting sub-pixel outgoing are emitted by dimming unit, and dimming unit can weaken the light that adjustment sub-pixel issues
Intensity.And then it can solve these adjustment sub-pixels since light-emitting area is larger or the rate of decay causes these sub-pixels more slowly
Colour cast problem, can promote the display effect of display panel caused by brightness is larger.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached drawing is briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of overlooking structure diagram of display panel of the embodiment of the present invention；
Fig. 2 is the A-A cross-sectional view of the display panel shown in FIG. 1 of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the first corresponding display panel of adjustment sub-pixel of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the corresponding display panel of second of adjustment sub-pixel of the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the third corresponding display panel of adjustment sub-pixel of the embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the corresponding display panel of the 4th kind of adjustment sub-pixel of the embodiment of the present invention；
Fig. 7 is the structural schematic diagram of the corresponding display panel of the 5th kind of adjustment sub-pixel of the embodiment of the present invention；
Fig. 8 is the structural schematic diagram of the corresponding display panel of the 6th kind of adjustment sub-pixel of the embodiment of the present invention；
Fig. 9 is the structural schematic diagram of the corresponding display panel of the 7th kind of adjustment sub-pixel of the embodiment of the present invention；
Figure 10 is the structural schematic diagram of the corresponding display panel of the 8th kind of adjustment sub-pixel of the embodiment of the present invention；
Figure 11 is a kind of partial structural diagram of display panel of the embodiment of the present invention.
In figure:
20- light emitting device layer；21- sub-pixel；The initial sub-pixel of 21a-；21b- adjusts sub-pixel；22- cathode layer；30- is color
Color filtering optical layer；31- primary colours filter unit；40- dim light layer；41- dimming unit；The transparent delustring block of 41a-；41b- light shielding block；51-
Light blocking unit；60- encapsulated layer；61- the first inorganic encapsulated layer；62- organic encapsulation layer；63- the second inorganic encapsulated layer.
Specific embodiment
The feature and exemplary embodiment of various aspects of the invention is described more fully below, in order to make mesh of the invention
, technical solution and advantage be more clearly understood, below in conjunction with drawings and the specific embodiments, the present invention is carried out further detailed
Description.It should be understood that specific embodiment described herein is only configured to explain the present invention, it is not configured as limiting this hair
It is bright.To those skilled in the art, the present invention can be in the case where not needing some details in these details
Implement.The description of embodiment is preferably managed just for the sake of being provided by showing example of the invention of the invention below
Solution.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence " including ... ", it is not excluded that including
There is also other identical elements in the process, method, article or equipment of the element.
It should be appreciated that being known as being located at another floor, another area when by a floor, a region when describing the structure of component
When domain " above " or " top ", can refer to above another layer, another region, or its with another layer, it is another
Also comprising other layers or region between a region.Also, if by part turnover, this layer, a region will be located at it is another
Layer, another region " following " or " lower section ".
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.It is described in detail below with reference to display panel and display device of the Fig. 1 to Figure 11 to the embodiment of the present invention.In order to clear
Chu shows structure related to the present invention, has carried out hiding or transparent drafting to some well known structures in figure.
Display panel in the present embodiment be Organic Light Emitting Diode (Organic Light-Emitting Diode,
OLED display panel), the sub-pixel including three kinds of colors of red, green, blue, shows for realizing colorization.
It please refers to shown in Fig. 1 and Fig. 2, Fig. 1 shows a kind of plan structure signal of display panel of the embodiment of the present invention
Figure；Fig. 2 is the A-A cross-sectional view of the display panel shown in FIG. 1 of the embodiment of the present invention.The display panel of the embodiment of the present invention has
In multiple sub-pixels 21 of array distribution.Multiple sub-pixels 21 divide for initial sub-pixel 21a and adjustment sub-pixel 21b, this implementation
The display panel of example is arranged dimming unit in the top of adjustment sub-pixel 21b, i.e., sets on adjustment sub-pixel 21b light direction
Dimming unit is set, to weaken the light extraction efficiency of the light of adjustment sub-pixel 21b outgoing, realizes and light efficiency is gone out to adjustment sub-pixel 21b
The adjustment of rate.Display panel has multiple sub-pixels of array distribution in the related technology, and molecule pixel is not due in the middle part of sub-pixel
With the part sub-pixel for emitting light area in the sub-pixel of color, different or luminescent material rate of decay differences, each sub-pixel go out light
It mismatches, causes colour cast.The corresponding sub-pixel for easily causing colour cast of adjustment sub-pixel 21b in the present embodiment, is adjusted by corresponding
Dimming unit is arranged in sub-pixel 21b, goes out light to these sub-pixels and improves, and then avoids colour cast problem.And initial sub-pixel
21a does not need the sub-pixel being adjusted in multiple sub-pixel areas for the display panel of the present embodiment, in display panel
The arrangement mode of each sub-pixel, the present invention with no restrictions, as long as being able to achieve the normal display function of display panel.
The display panel of the present embodiment includes at least light emitting device layer 20, chromatic filter layer 30 and dim light layer 40.
Light emitting device layer 20 includes multiple sub-pixels 21 that are arranged in array, and includes initial sub-pixel in multiple sub-pixels 21
21a and adjustment sub-pixel 21b.
Chromatic filter layer 30 is set to the light emission side of light emitting device layer 20, and chromatic filter layer 30 includes that the optical filtering of multiple primary colours is single
Member 31, wherein primary colours filter unit 31 is correspondingly arranged with sub-pixel 21, and each adjacent primary colours filter unit 31 passes through light blocking list
Member 51 is isolated, and to prevent adjacent sub-pixel 21 from crosstalk occurs by the light that primary colours filter unit 31 is emitted, influences display effect.
Colour filter can be carried out to the light that sub-pixel 21 is emitted by each primary colours filter unit 31, guarantee to be emitted to display from luminescence unit 21
The purity of light outside panel, and part external environmental light can be absorbed, reduce the reflection of external environmental light.For example, shining
Multiple sub-pixels 21 of device layer 20 be include red, green, blue subpixels multiple color sub-pixel when, each color
Sub-pixel 21 is arranged in a one-to-one correspondence with primary colours filter unit 31, may further ensure that the colorization display effect of display panel,
Also, primary colours filter unit 31 and light blocking unit 51 can be absorbed and be filtered to external environmental light, and reduction is incident to aobvious
Show the environment light of panel, and then reduces the reflection of external environmental light.
Dim light layer 40 includes multiple dimming units 41 of corresponding multiple adjustment sub-pixel 21b settings, each to adjust sub-pixel 21b
The light of outgoing is emitted by dimming unit 41, and dimming unit 41 can reduce the efficiency of the light of adjustment sub-pixel 21b outgoing, thus
Solve the problems, such as colour cast.
In the present embodiment, display panel has multiple adjustment sub-pixel 21b, and the light emission side correspondence of adjustment sub-pixel 21b is set
It is equipped with dimming unit 41, by dimming unit 41, the efficiency of the light of adjustment sub-pixel 21b outgoing can be weakened.And then it can keep away
Exempt from these adjustment sub-pixel 21b since light-emitting area is larger or the luminous organic material rate of decay filters through corresponding primary colours more slowly
After unit 31 is emitted, the brightness of these sub-pixels is larger, and caused colour cast problem can promote the display effect of display panel.
Adjustment sub-pixel 21b is the sub-pixel that display panel is also easy to produce colour cast in display, for example, with organic light-emitting diodes
For the display panel of pipe, sub-pixel 21 includes red, green and blue sub-pixels, is set to according to scheduled arranging rule
The viewing area of display panel.Since the blue light rate of decay is very fast, usually it was deposited in the organic material of the sub-pixel of three kinds of colors
The larger of the area setting of the evaporation material of blue subpixels is easily caused display panel whole partially blue, then blue sub- picture by Cheng Zhong
The corresponding sub-pixel of element is the adjustment sub-pixel 21b of the present embodiment, this implementation can be arranged in the light emission side of blue subpixels
The dimming unit 41 of example.Please continue to refer to Fig. 2, dimming unit 41 is set in the light emission side of blue subpixels, it can be to weaken indigo plant
Sub-pixels are emitted to the efficiency outside display panel.And then can it is larger to avoid the evaporation material area due to blue subpixels and
Cause the whole partially blue color offset phenomenon of display panel.
It is understood that above-described embodiment is only illustrated for being adjustment sub-pixel by blue subpixels, it can be with
Dimming unit 41 is arranged in corresponding all blue subpixels, at least dimming unit 41 can also be arranged by corresponding part blue subpixels,
As long as can solve colour cast problem.It, can also according to actual needs, in the son of other colors when there are other colour casts
Dimming unit 41 is arranged in the light emission side of pixel.Specifically, for example, can first not set in the light emission side of sub-pixel to a certain producing line
The display panel for the dimming unit 41 set carries out the detection of colour gamut and coloration, determines specific colour cast color according to testing result, it
The corresponding sub-pixel of the display panel of the producing line is adjusted again afterwards, dim light list can be set in the light emission side of these sub-pixels
Member 41.
In the embodiment of the present invention, dimming unit 41 can be transparent delustring block 41a and/or light shielding block 41b.Dimming unit 41
Orthographic projection on light emitting device layer 20 at least partly covers corresponding adjustment sub-pixel 21b.
In some alternative embodiments, dimming unit 41 is transparent delustring block 41a, and transparent delustring block 41a is located at adjacent
Light blocking unit 51 between, and transparent delustring block 41a is stacked with corresponding primary colours filter unit 31.Adjust sub-pixel
After via dim light layer 40, the light of part outgoing can be absorbed the light of 21b outgoing by corresponding transparent delustring block 41a, and then subtract
Weak adjustment sub-pixel 21b is emitted to the intensity of the light outside display panel.
In these embodiments, corresponding adjustment sub-pixel 21b can be completely covered in transparent delustring block 41a, with guarantee from
In adjustment sub-pixel 21b the light that is emitted after transparent delustring block 41a can uniform, and then can guarantee to be emitted to display
The homogeneity of light outside panel.
Transparent delustring block 41a can be located at 31 top of corresponding primary colours filter unit in the present embodiment, may be located on pair
The lower section for the primary colours filter unit 31 answered, that is, can be first via primary colours filter unit 31 from the light that adjustment sub-pixel 21b is emitted
It is emitted to outside display panel via transparent delustring block 41a again, it can be first via transparent delustring block 41a again via primary colours filter unit
31 are emitted to outside display panel.
The material of transparent delustring block 41a can be the biggish extinction material of extinction coefficient, for example, extinction coefficient can be selected
Greater than the extinction coefficient of other transparent organic films (such as primary colours filter unit 31, envelope organic encapsulation layer etc.) in display panel
Material, specific delustring layer material for example can be polypropylene (Polypropylene, PP) and high density polyethylene (HDPE) (High
At least one of Density Polyethylene, HDPE).It can be enhanced and subtract by the transparent delustring block 41a of these materials
The absorption of 40 pairs of photosphere adjustment sub-pixel 21b emergent lights.Specifically, the extinction coefficient of transparent delustring block 41a can be not less than
0.0009。
In one embodiment, it please refers to shown in Fig. 3, Fig. 3 is that a kind of adjustment sub-pixel of the embodiment of the present invention is corresponding
Display panel structural schematic diagram.
In the present embodiment, display panel further comprises encapsulated layer 60, and encapsulated layer 60 is located at chromatic filter layer 30 and shines
Between device layer 20, and projection of the encapsulated layer 60 on light emitting device layer 20 covers sub-pixel 21.Transparent delustring block 41a is located at envelope
It fills between layer 60 and corresponding primary colours filter unit 31.
In the present embodiment, dim light layer 40 can be formed directly into the upper surface of encapsulated layer 60.It is understood that photophore
Part layer 20 further includes cathode layer 22, encapsulated layer 60 can be formed in the top of cathode layer 22, to protect to light emitting device layer 20
Shield, prevents water oxygen from invading, and damages the display effect of sub-pixel 21.Patterned light blocking can be formed on encapsulated layer 60 later
Unit 51, the open region between adjacent light blocking unit 51 forms transparent delustring block 41a later, and transparent delustring block 41a is corresponding
Adjust sub-pixel 21b.It is contacted below transparent delustring block 41a with encapsulated layer 60, namely forms transparent delustring block 41a close to photophore
The structure that the surface of the side of part layer 20 is flushed with light blocking unit 51 close to the surface of the side of light emitting device layer 20.Later again
Patterned chromatic filter layer 30 is formed, chromatic filter layer 30 includes the primary colours filter unit 31 of multiple color, and primary colours filter single
Member 31 is located in the opening of photoresist layer, and is located on transparent delustring block 41a, has between adjacent primary colours filter unit 31
There is light blocking unit 51.
In the present embodiment, the light of adjustment sub-pixel 21b outgoing is first via transparent delustring block 41a again via primary colours filter unit
31 are emitted to outside display panel.
In another embodiment, it please refers to shown in Fig. 4, Fig. 4 is a kind of adjustment sub-pixel pair of the embodiment of the present invention
The structural schematic diagram for the display panel answered.It is in place of the difference of above-described embodiment, transparent delustring block 41a is located at filter unit
The upper surface of 31 top, transparent delustring block 41a is flushed with the upper surface of light block unit 51.Other structures can refer to above-mentioned
Embodiment, details are not described herein.In the present embodiment, the light of adjustment sub-pixel 21b outgoing is first passed through via primary colours filter unit 31 again
It is emitted to outside display panel by transparent delustring block 41a.
In another embodiment, it please refers to shown in Fig. 5, Fig. 5 is a kind of adjustment sub-pixel pair of the embodiment of the present invention
The structural schematic diagram for the display panel answered.In the present embodiment, display panel further comprises encapsulated layer 60, and encapsulated layer 60 is located at coloured silk
Between color filtering optical layer 30 and light emitting device layer 20, orthographic projection of the encapsulated layer 60 on light emitting device layer 20 covers sub-pixel 21.
In the present embodiment, transparent delustring block 41a is located in encapsulated layer 60, and encapsulated layer 60 corresponds to position in transparent delustring block 41a
It sets and is formed with protrusion, protrusion is located at corresponding 31 lower section of primary colours filter unit between adjacent light blocking unit 51.
For encapsulated layer 60 the specific layer structure present invention with no restrictions.For example, encapsulated layer 60 can in the embodiment of the present invention
To include the first inorganic layer 61, organic layer 62 and the second inorganic layer 63 being cascading.Transparent delustring block 41a can be located at
Between first inorganic layer 61 and organic layer 62 or positioned in organic layer 62 or between organic layer 62 and the second inorganic layer 63.It can
To form the first inorganic layer 61 on the cathode layer 22 of light emitting device layer 20, formed on the first inorganic layer 61 later patterned
Dim light layer 40, transparent delustring block 41a included by dim light layer 40 are arranged in the top of adjustment sub-pixel 21b, have re-formed later
Machine layer 62 and the second inorganic layer 63, to be formed in the transparent raised encapsulated layer 60 of delustring block 41a corresponding position；Or in shape
After the first inorganic layer 61, the depositing organic material on the first inorganic layer 61 forms patterned subtract on the organic material later
Photosphere 40, redeposited organic material, the organic material deposited twice form organic layer 62, dim light layer 40 have been formed in later
In machine layer 62.The second inorganic layer 63 is re-formed later, and forms patterned photoresist layer and pattern on the second inorganic layer 63
The chromatic filter layer 30 of change；Or it after forming the first organic layer 61 and organic layer 62, is formed on organic layer 62 patterned
Dim light layer 40 forms the second inorganic layer on dim light layer 40 again later.The primary colours filter unit 31 of chromatic filter layer 30 and encapsulation
The protrusion of layer 60 is respectively positioned in the opening of photoresist layer, by the way that the protrusion of encapsulated layer 60 is set in the opening of photoresist layer,
It can guarantee the top structure and the top structure of other sub-pixels of the adjustment sub-pixel 21b for being provided with transparent delustring block 41a
Consistency of thickness will not influence the thickness for adjusting sub-pixel 21b top structure because transparent delustring block 41a is increased, and guarantee aobvious
Show the consistency of panel integral thickness.
In some alternative embodiments, transparent delustring block 41a can also be formed by organic layer 62 itself, is adjusted with weakening
The light extraction efficiency of whole sub-pixel 10b.It please refers to shown in Fig. 6, Fig. 5 is that a kind of adjustment sub-pixel of the embodiment of the present invention is corresponding aobvious
Show the structural schematic diagram of panel.Organic layer 62 may include multiple spaced side shapes for facing away from light emitting device layer 20
At lug boss, the position to form transparent delustring block 41a, namely above the corresponding adjustment sub-pixel 21b of organic layer 62 adds
Thickness setting, to increase the light absorption function of the part of organic layer 62, to weaken being emitted to for corresponding adjustment sub-pixel 21b
The intensity of the light of primary colours filter unit 31.In the present embodiment, transparent delustring block 41a is formed by organic layer 62 itself, is conducive to
Simplify preparation process.
Optionally, in the above-described embodiments, the refractive index of transparent delustring block 41a can be with primary colours filter unit 31, encapsulation
The refractive index of layer 60 is almost the same, such as can be 1.4~1.6, is specifically as follows 1.5.The display of display panel will not be imitated
Fruit causes other influences.
In other optional embodiments, dimming unit 41 is light shielding block 41b, and the light of adjustment sub-pixel 21b outgoing exists
After dim light layer 40, the light of part outgoing can be blocked and be absorbed by corresponding light shielding block 41b, and then reduce adjustment sub-pixel
21b is emitted to the light quantity outside display panel.
In the present embodiment, light shielding block 41b can be located at corresponding 31 top of primary colours filter unit, may be located on corresponding
The lower section of primary colours filter unit 31, that is, can first be passed through again via primary colours filter unit 31 from the light that adjustment sub-pixel 21b is emitted
It is emitted to outside display panel by light shielding block 41b, first can be emitted to display via primary colours filter unit 31 again via light shielding block 41b
Outside panel.
In these embodiments, the part light shielding block 41b covers corresponding luminescence unit 21, please refers to shown in Fig. 7, light shielding block
41b can be correspondingly arranged at the center of the plane for being parallel to display panel above adjustment sub-pixel 21b, most to use light
It is possible uniform.It please refers to shown in Fig. 8, corresponding adjustment sub-pixel 21b can also be completely covered in light shielding block 41b, in order to make to send out
The light of light unit 21 can uniform to primary colours filter unit 31, equally distributed hollow out can be set on light shielding block 41b
Region.
In one embodiment, please continue to refer to shown in Fig. 7 and Fig. 8, Fig. 7 and Fig. 8 are two kinds of the embodiment of the present invention
Adjust the structural schematic diagram of the corresponding display panel of sub-pixel.In the present embodiment, display panel further comprises encapsulated layer 60, envelope
Layer 60 is filled between chromatic filter layer 30 and light emitting device layer 20, and projection covering of the encapsulated layer 60 on light emitting device layer 20
Sub-pixel 21.Light shielding block 41b is located between encapsulated layer 60 and corresponding primary colours filter unit 31.Primary colours filter unit 31 is close
The side of light emitting device layer 20 forms fluted, and light shielding block 41b is located in groove.Light shielding block 41b, light blocking unit 51 and coloured silk
The surface of the side of the close light emitting device layer 20 of color filtering optical layer 30 flushes.
In the present embodiment, light blocking unit 51 and light shielding block 41b all can be black matrix (Black Matrix, BM).It can
To coat BM layers on encapsulated layer 60, then pattern and to form light blocking unit 51 and light shielding block 41b after forming encapsulated layer 60,
Each primary colours filter unit 31 is formed between light blocking unit 51 and on light shielding block 41b later.It can be by BM layers same
It carries out patterning and forms light blocking unit 51 and light shielding block 41b, preparation process can be simplified.
In another embodiment, it can also be formed in the side away from light emitting device layer 20 of primary colours filter unit 31
Fluted, light shielding block 41b is located in the groove, the upper surface of light shielding block 41b and primary colours filter unit 31 and light block unit
51 upper surface flushes.The structure is similar with structure shown in Fig. 7, and those skilled in the art are understood that according to the structure of Fig. 7
The structure of the present embodiment, no longer shows herein.
In another embodiment, it please refers to shown in Fig. 9, Fig. 9 is a kind of adjustment sub-pixel pair of the embodiment of the present invention
The structural schematic diagram for the display panel answered.Light shielding block 41b can be located in encapsulated layer 60.Encapsulated layer 60 may include stacking gradually
The first inorganic layer 61, organic layer 62 and the second inorganic layer 63 being arranged.Side of the organic layer 62 far from the first inorganic layer 61 and/or
Side close to the first inorganic layer 61 forms fluted, and light shielding block 41b is located in groove, illustrates only in figure and leans in organic layer 62
The side of nearly first inorganic layer 61 forms reeded structure.In the present embodiment, light shielding block 41b is set in encapsulated layer 60,
It will not influence the encapsulation performance of encapsulated layer 60.
The light shielding block 41b of above-described embodiment other than it can use BM, can also using carbon black materials or other have
The material of shading characteristic.With no restrictions for its specific material present invention.It can be combined with each other, please refer in the various embodiments described above
Shown in Figure 10, Figure 10 is a kind of structural schematic diagram of the corresponding display panel of adjustment sub-pixel of the embodiment of the present invention.Some
The light emission side for adjusting sub-pixel 21b, can be arranged transparent delustring block 41a and light shielding block 41b simultaneously, for example, light shielding block 41b can be with
It is set in encapsulated layer 60, transparent delustring block 41a can be set above encapsulated layer 60, is combined by the two and realizes decrease adjustment
Sub-pixel 21b is emitted to the efficiency of the light outside display panel.
In above-described embodiment, light emitting device layer 20 may include red, three kinds of colors of green and blue sub-pixel 21, adjust
Whole sub-pixel 21b may include the sub-pixel of two kinds of colors, the dimming unit that the adjustment sub-pixel 21b of different colours is correspondingly arranged
41 thickness and/or area is different, please refers to shown in Figure 11, and Figure 11 shows a kind of part knot of display panel of the present embodiment
It is the adjustment sub-pixel for being illustrated different colours that structure schematic diagram, which is adjustment sub-pixel 21b with green and blue sub-pixel in figure,
The corresponding dimming unit 41 of 21b is set as the structure of different thickness.The thickness and/or area value of specific dimming unit 41 can
To be detected by the display panel to not set dimming unit 41, determines adjust sub-pixel 21b according to testing result, and
Adjust the thickness and/or area value of the dimming unit 41 of the light emission side setting of sub-pixel 21b.For example, can be according to testing result
And the thickness and/or area value of the empirically determined dimming unit 41 of binding test personnel.
According to present invention embodiment as described above, these embodiments details all there is no detailed descriptionthe, also not
Limiting the invention is only the specific embodiment.Obviously, as described above, can make many modifications and variations.This explanation
These embodiments are chosen and specifically described to book, is principle and practical application in order to better explain the present invention, thus belonging to making
Technical field technical staff can be used using modification of the invention and on the basis of the present invention well.The present invention is only by right
The limitation of claim and its full scope and equivalent.
Claims (10)
1. a kind of display panel characterized by comprising
Light emitting device layer, including the multiple sub-pixels being arranged in array, the multiple sub-pixel includes initial sub-pixel and adjustment
Sub-pixel；
Chromatic filter layer, is set to the light emission side of the light emitting device layer, and the chromatic filter layer includes that multiple primary colours optical filterings are single
Member, each adjacent primary colours filter unit pass through light blocking cell isolation, the primary colours filter unit and the sub-pixel pair
It should be arranged；
The light of dim light layer, the dimming unit including the correspondence adjustment sub-pixel setting, each adjustment sub-pixel outgoing passes through
The dimming unit outgoing.
2. display panel according to claim 1, which is characterized in that the dimming unit is on the light emitting device layer
Orthographic projection at least partly covers the corresponding adjustment sub-pixel.
3. display panel according to claim 2, which is characterized in that the dimming unit is transparent delustring block, to weaken
The light of the corresponding adjustment sub-pixel is emitted to the intensity of the light outside the display panel；
Preferably, the corresponding sub- picture of adjustment is completely covered in orthographic projection of the transparent delustring block on the light emitting device layer
Element.
4. display panel according to claim 3, which is characterized in that the transparent delustring block is located at the adjacent photoresist
It keeps off between unit, the transparent delustring block is stacked with the corresponding primary colours filter unit；
Preferably, the transparent delustring block is arranged relative to the primary colours filter unit close to the light emitting device layer, described
Bright delustring block is close to a side surface of the light emitting device layer and the light blocking unit close to the side of the light emitting device layer
Surface flushes；Or,
The transparent delustring block is arranged relative to the primary colours filter unit far from the light emitting device layer, the transparent delustring block
A side surface far from the light emitting device layer is flushed with the light blocking unit far from a side surface of the light emitting device layer.
5. display panel according to claim 3, which is characterized in that it further comprise encapsulated layer,
The transparent delustring block is located in the encapsulated layer, and the encapsulated layer is formed with convex in the transparent delustring block corresponding position
It rises, the protrusion is between the adjacent light blocking unit；
Preferably, the encapsulated layer includes the first inorganic layer, organic layer and the second inorganic layer being cascading, described transparent
Delustring block is inorganic between first inorganic layer and the organic layer or in organic layer or positioned at organic layer and second
Between layer；Or, the organic layer includes the protrusion that multiple spaced sides for facing away from the light emitting device layer are formed
Portion, to form the transparent delustring block.
6. display panel according to claim 5, which is characterized in that the refractive index of the transparent delustring block and the primary colours
Filter unit, the refractive index of the encapsulated layer are consistent, and the refractive index is 1.4~1.6；And/or
The extinction coefficient of the transparent delustring block is not less than 0.0009；
Preferably, the material of the transparent delustring block includes at least one of polypropylene and high density polyethylene (HDPE).
7. display panel according to claim 2, which is characterized in that the dimming unit is light shielding block, to reduce correspondence
The light of the adjustment sub-pixel be emitted to the light quantity outside the display panel；
Preferably, the light shielding block has multiple equally distributed hollowed out areas.
8. display panel according to claim 7, which is characterized in that the primary colours filter unit is close to the photophore
The side of part layer forms fluted, and the light shielding block is located in the groove, and the light shielding block close to the luminescent device
One side surface of layer, the surface close to the light emitting device layer of the chromatic filter layer and the light blocking unit flush；
Or,
The primary colours filter unit far from the light emitting device layer side formed it is fluted, the light shielding block be located at it is described recessed
In slot, and a side surface, the chromatic filter layer and the light blocking far from the light emitting device layer of the light shielding block
The surface far from the light emitting device layer of unit flushes；Or,
The display panel further comprises encapsulated layer, and the light shielding block is located in the encapsulated layer；
Preferably, the encapsulated layer includes the first inorganic layer, organic layer and the second inorganic layer being cascading, described organic
The side of side and/or close first inorganic layer of the layer far from first inorganic layer forms fluted, the light shielding block
In the groove.
9. display panel according to claim 1, which is characterized in that multiple adjustment sub-pixels include at least two face
The adjustment sub-pixel of color, the thickness and/or area for the dimming unit that the adjustment sub-pixel of different colours is correspondingly arranged are different.
10. a kind of display device, which is characterized in that including the described in any item display panels of claim 1 to 9.
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