CN110335884A - Display panel, display device and display panel processing method - Google Patents
Display panel, display device and display panel processing method Download PDFInfo
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- CN110335884A CN110335884A CN201910355257.1A CN201910355257A CN110335884A CN 110335884 A CN110335884 A CN 110335884A CN 201910355257 A CN201910355257 A CN 201910355257A CN 110335884 A CN110335884 A CN 110335884A
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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
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Abstract
The present invention provides a kind of display panel, display device and display panel processing method, wherein display panel includes substrate and the first electrode layer being cascading on substrate, luminescent layer and the second electrode lay；Luminescent layer includes the multiple luminous zones being disposed on the substrate, and each luminous zone includes multiple luminescence units, and multiple luminescence units are used to issue the light of the N kind different colours including the first coloured light；And the luminous efficiency for issuing the luminescence unit of the first coloured light is less than the luminous efficiency for issuing each luminescence unit of remaining N-1 kind color of light；The sub- luminescent layer for issuing the first coloured light is provided between first electrode layer and the second electrode lay.Display panel, display device and display panel processing method provided by the invention, the area for issuing the light emitting region of the first coloured light can be improved in sub- luminescent layer, so as to share in luminescent layer the electric current for the luminescence unit for issuing the first coloured light, it improves the service life of the luminescence unit, and then improves the service life of display panel.
Description
Technical field
The present embodiments relate to field of display technology more particularly to a kind of display panels, display device and display panel
Processing method.
Background technique
Organic electroluminescent LED (Organic Light-Emitting Diode, referred to as: OLED) have low-power consumption,
High color saturation, thin thickness, is able to achieve the excellent properties such as flexibility at wide viewing angle, therefore is widely used in terminal device, wearing
In the flexible display apparatus such as equipment.
Currently, OLED display panel includes substrate and the anode being cascading on substrate, luminescent layer and cathode,
Luminescent layer includes multiple emitting red light units for issuing red beams, multiple green emitting units of green beam and more of issuing
A blue-light-emitting unit for issuing blue light beam.
But due to the limitation of technique and material, the luminous efficiency of blue-light-emitting unit is lower than emitting red light unit and green
The luminous efficiency of luminescence unit needs to improve the electric current of blue-light-emitting unit to guarantee its light emission luminance, leads to blue-light-emitting list
The service life of member is short.
Summary of the invention
The embodiment of the present invention provides a kind of display panel, display device and display panel processing method, to overcome existing skill
The short problem of blue-light-emitting cell life in art.
The embodiment of the present invention provide a kind of display panel include: substrate and be cascading on the substrate
One electrode layer, luminescent layer and the second electrode lay；The luminescent layer includes the multiple luminous zones of setting on the substrate, Mei Gesuo
Stating luminous zone includes multiple luminescence units, and the multiple luminescence unit is used to issue the N kind difference face including the first coloured light
The light of color；And the luminous efficiency for issuing the luminescence unit of first coloured light is less than and issues each of remaining N-1 kind color of light
The luminous efficiency of a luminescence unit；It is provided between the first electrode layer and the second electrode lay for issuing first
The sub- luminescent layer of coloured light；Wherein, N is the natural number greater than 1.
Display panel as described above, wherein the sub- luminescent layer includes the first sub- illumination region；In multiple luminous zones
The periphery of at least partly described luminescence unit be provided with opening, the first sub- illumination region setting is in the opening.
Display panel as described above, wherein the sub- luminescent layer includes second connect with the described first sub- illumination region
Sub- illumination region；The second sub- illumination region is covered on the top surface that the multiple luminescence unit deviates from the substrate.
Display panel as described above, wherein be additionally provided with load between the second sub- illumination region and the luminescence unit
Sub- generating layer.
Display panel as described above, wherein the first electrode layer is anode layer, and the second electrode lay is cathode
Layer；The luminescence unit include stack gradually the first hole injection layer on the anode layer, the first hole transmission layer, pixel region,
First electron transfer layer and the first electron injecting layer；The second sub- illumination region and the first sub- illumination region include along back
The second hole injection layer that direction from the substrate is cascading, the second hole transmission layer, the first color pixel area, second
Electron transfer layer and the second electron injecting layer；And second hole injection layer in the second sub- illumination region is arranged in institute
State the surface that carrier generating layer deviates from the substrate；Second hole injection layer in the first sub- illumination region is arranged in institute
State the surface that anode layer deviates from the substrate.
Display panel as described above, wherein the periphery of luminescence unit described in each luminous zone is both provided with institute
State opening.
Display panel as described above, wherein in each luminous zone, the luminescence unit periphery of adjacent two
The opening be connected with each other or disconnect；And/or the institute in the opening in each luminous zone and adjacent luminous zone
Opening is stated to be connected with each other or disconnect.
The embodiment of the present invention provides a kind of display device, including shell and display panel as described above；The display
Panel is mounted in the shell.
The embodiment of the present invention provides a kind of display panel processing method, comprising: first electrode layer is formed on substrate；?
The luminescent layer including multiple luminescence units is formed on one electrode layer；The multiple luminescence unit includes that the first coloured light exists for issuing
The light of interior N kind different colours；And the luminous efficiency for issuing the luminescence unit of first coloured light is less than remaining N-1 of sending
The luminous efficiency of each luminescence unit of kind color of light；Wherein, N is the natural number greater than 1；The shape on the luminescence unit
At the sub- luminescent layer for issuing the first coloured light；The second electrode lay is formed on the sub- luminescent layer.
Display panel processing method as described above, wherein formed on the luminescence unit for issuing the first coloured light
Sub- luminescent layer before further include: at least partly described luminescence unit periphery formed opening；The sub- luminescent layer includes the
One sub- illumination region and the second sub- illumination region being connect with the described first sub- illumination region；The first sub- illumination region is formed in described
In opening；The second sub- illumination region is formed in above multiple luminescence units.
Display panel, display device and display panel processing method provided in an embodiment of the present invention, by setting substrate with
And be cascading first electrode layer, luminescent layer and the second electrode lay on substrate；Luminescent layer includes being disposed on the substrate
Multiple luminous zones, each luminous zone includes multiple luminescence units, and multiple luminescence units are for issuing including the first coloured light
N kind different colours light；And the luminous efficiency for issuing the luminescence unit of the first coloured light is less than and issues remaining N-1 kind color of light
The luminous efficiency of each luminescence unit；The son hair for issuing the first coloured light is provided between first electrode layer and the second electrode lay
Photosphere.The area for issuing the light emitting region of the first coloured light can be improved in sub- luminescent layer, issues the so as to share in luminescent layer
The electric current of the luminescence unit of a shade improves the service life of the luminescence unit, and then improves the service life of display panel and display device.
Detailed description of the invention
Below in conjunction with attached drawing, detailed description of the preferred embodiments, it should be appreciated that retouches in this place
The specific embodiment stated is merely to illustrate and explain the present invention, and the present invention is not limited to following specific embodiments.
Fig. 1 is that the invention shows the structural schematic diagrams of panel embodiments one；
Fig. 2 is that the invention shows the structural schematic diagrams of panel embodiments two；
Fig. 3 be Fig. 2 in A-A to schematic cross-section；
Fig. 4 be Fig. 2 in C-C to schematic cross-section；
Fig. 5 be Fig. 2 in D-D to schematic cross-section one；
Fig. 6 be Fig. 2 in D-D to schematic cross-section two；
Fig. 7 be Fig. 2 in D-D to schematic cross-section three.
Description of symbols:
100: substrate；
200: first electrode layer；
210: anode layer；
300: luminescent layer；
310: luminescence unit；
320: the first hole injection layers；
330: the first hole transmission layers；
340: pixel region；
350: the first electron transfer layers；
360: the first electron injecting layers；
400: the second electrode lay；
410: cathode layer；
500: sub- luminescent layer；
510: the first sub- illumination regions；
520: the second sub- illumination regions；
530: the second hole injection layers；
540: the second hole transmission layers；
550: the first color pixel areas；
560: the second electron transfer layers；
570: the second electron injecting layers；
600: carrier generating layer；
700: opening.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments, it should be appreciated that retouches in this place
The specific embodiment stated is merely to illustrate and explain the present invention, and the present invention is not limited to following specific embodiments.
Fig. 1 is that the invention shows the structural schematic diagrams of panel embodiments one.In figure, R, G, B respectively represent the luminescence unit
Or the color of the light of sub- luminescent layer sending, R are red, G is green, and B is blue.Referring to FIG. 1, the present embodiment provides one kind to show
Show that panel includes: substrate 100 and the first electrode layer 200 on the substrate 100 of being cascading, luminescent layer 300 and second
Electrode layer 400；Luminescent layer 300 includes the multiple luminous zones of setting on the substrate 100, and each luminous zone includes multiple luminescence units
310, multiple luminescence units 310 are used to issue the light of the N kind different colours including the first coloured light；And issue the first coloured light
The luminous efficiency of luminescence unit 310 is less than the luminous efficiency for issuing each luminescence unit 310 of remaining N-1 kind color of light；First
The sub- luminescent layer 500 for issuing the first coloured light is provided between electrode layer 200 and the second electrode lay 400；Wherein, N is greater than 1
Natural number.
Specifically, display panel can be OLED display panel, and it is a variety of aobvious to can be used for mobile phone, display, TV etc.
In showing device.
In this example it is shown that substrate 100 can be set in the bottom of panel, substrate 100 can be the formation such as glass
Rigid substrates may be the flexible base board that the organic matters such as polyimides are formed.Or substrate 100 can be by organic layer and nothing
Machine layer is alternatively formed.
First electrode layer 200, luminescent layer 300 and the second electrode lay 400 can be sequentially laminated on substrate 100.First electricity
Pole layer 200 can be made of conductive materials such as metal or semiconductors.First electrode layer 200 can be the anode layer of display panel,
Or the cathode layer of display panel.
Luminescent layer 300 can be set above first electrode layer 200, luminescent layer 300 may include multiple luminous zones, Mei Gefa
Multiple luminescence units 310 can be set in light area.
It is appreciated that pixel confining layer can be set in first electrode layer 200, pixel confining layer is provided in array-like
Multiple the first of arrangement are open, and luminous organic material, the organic light emission in each first opening are provided in each first opening
Material may be constructed a luminescence unit 310, and each luminescence unit 310 can issue a kind of light of color, and open according to first
The property for the luminous organic material being arranged in mouthful is different, and multiple luminescence units 310 can issue the light beam of N kind different colours.N is
Natural number greater than 1, by taking N kind is respectively feux rouges, green light and blue light with the light of color as an example, at least one emitting red light unit,
At least one blue-light-emitting unit and at least one green emitting unit may be constructed a luminous zone；And luminescent layer 300 can
To be arranged by multiple luminous zones in preset rules (such as array-like), display panel is allowed to issue uniform color one
The light of cause.
In addition, since the limitation of material and technique is for the N number of luminescence unit 310 for issuing N kind different colours light,
Luminous efficiency is different, therefore the minimum luminescence unit 310 of luminous efficiency, the hair are certainly existed in these luminescence units 310
The light that the minimum luminescence unit 310 of light efficiency is issued is properly termed as the first coloured light.Still with emitting red light unit, blue-light-emitting
For unit and green emitting unit, wherein the luminous efficiency of blue-light-emitting unit is minimum, and blue light can be the first coloured light.When
So, in the display panel for not having blue-light-emitting unit, the first coloured light can be other colors.Or in display panel
When luminescence unit lower in the presence of luminous efficiency than blue luminescence unit, the first coloured light may be that the luminous efficiency is lower
The color that luminescence unit is issued.
The second electrode lay 400 can be covered on outside luminescent layer 300, and the second electrode lay 400 can be by metal or semiconductor etc.
Conductive material is made.When first electrode layer 200 can be the anode layer of display panel, the second electrode lay 400 is display panel
Cathode layer.
Meanwhile display panel further includes sub- luminescent layer 500, sub- luminescent layer 500 can be set in first electrode layer 200 and
Between two electrode layers 400, specifically be arranged position can there are many, for example, sub- luminescent layer 500 can be set with reference to Fig. 1
Between the second electrode lay 400 and luminescent layer 300.Sub- luminescent layer 500 can issue the first coloured light, such as in the embodiment of Fig. 1, son
Luminescent layer 500 can issue blue light.I.e. display panel includes that sub- luminescent layer 500 and luminescent layer 300 two issue shining for light beam
Film layer.The setting of the two luminescent film layer stackups, sub- luminescent layer 500 issue the first coloured light, issue the first coloured light so as to increase
Light emitting region area, and then play the role of sharing electric current, improve the luminous zone for issuing the first coloured light in display panel
The service life in domain, and then improve the service life of display panel.
Preferably, carrier generating layer 600 is additionally provided between sub- luminescent layer 500 and luminescence unit 310.Carrier generating layer
600 can provide electrons and holes simultaneously, can be used as the anode of sub- luminescent layer 500, and simultaneously as luminescence unit 310
Cathode, to form stacked structure, for issuing the luminescence unit 310 of the first color, the above stacked structure is practical to be equivalent to be formed
Two the first colour organic luminous diodes, can share electric current simultaneously, further increase the service life of display panel.
Display panel provided in this embodiment passes through setting substrate and the first electrode on substrate that is cascading
Layer, luminescent layer and the second electrode lay；Luminescent layer includes the multiple luminous zones being disposed on the substrate, and each luminous zone includes multiple hairs
Light unit, multiple luminescence units are used to issue the light of the N kind different colours including the first coloured light；And issue the first coloured light
The luminous efficiency of luminescence unit is less than the luminous efficiency for issuing each luminescence unit of remaining N-1 kind color of light；First electrode layer
The sub- luminescent layer for issuing the first coloured light is provided between the second electrode lay.Sub- luminescent layer, which can be improved, issues the first coloured light
Light emitting region area, so as to share in luminescent layer the electric current for the luminescence unit for issuing the first coloured light, improve this shine
The service life of unit, and then improve the service life of display panel and display device.
Fig. 2 is that the invention shows the structural schematic diagrams of panel embodiments two.Referring to FIG. 2, in another embodiment, son
Luminescent layer 500 includes the first sub- illumination region 510；The periphery of at least partially luminescent unit 310 in multiple luminous zones is provided with out
Mouth 700, the first sub- setting of illumination region 510 is in opening 700.
Specifically, in all luminescence units 310 of luminescent layer 300, at least periphery setting of part luminescence unit 310
There is opening 700.Periphery can be luminescence unit 310 in the peripheral part being parallel on 100 direction of substrate, that is, being open 700 can be with
It is arranged with 310 same layer of luminescence unit.For having in some embodiments of pixel confining layer between luminescence unit 310, opening 700
It can be formed in pixel confining layer.
The first sub- illumination region 510 can be set in the opening 700, the first sub- illumination region 510 can also issue the first color
Light to increase the area for issuing the light emitting region of the first coloured light, and then plays the role of sharing electric current, improves display panel
Service life.
Further, with continued reference to Fig. 2, sub- luminescent layer 500 includes that the second son connecting with the first sub- illumination region 510 shines
Portion 520；Second sub- illumination region 520 is covered on the top surface that multiple luminescence units 310 deviate from substrate 100.
Specifically, the first sub- illumination region 510 can be arranged with 310 same layer of luminescence unit, and the second sub- illumination region 520 can be with
The top of all luminescence units 310 is set, i.e., the second sub- illumination region 520 is arranged with the different layer of luminescence unit 310.First son shines
Portion 510 and the second sub- illumination region 520 can be the flood structure of covering substrate 100, can be convenient processing.
Simultaneously because the limitation of prior art, the minimum range between two neighboring luminescence unit 200 be it is certain, pass through
Formed opening 700 and flood sub- luminescent layer 500, the limitation of prior art can be broken, improve display panel aperture opening ratio and
The area of the light emitting region of the first coloured light is issued, to further increase the service life of display panel.
Preferably, carrier generating layer 600 is additionally provided between the second sub- illumination region 520 and luminescence unit 310.Carrier generates
Layer 600 can provide electrons and holes simultaneously, can be used as the anode of the second sub- illumination region 520, and single as shining simultaneously
The cathode of member 310, to form stacked structure, for issuing the luminescence unit 310 of the first color, the above stacked structure is actually suitable
In foring two the first colour organic luminous diodes, electric current can be shared simultaneously, further increase the service life of display panel.
Fig. 3 be Fig. 2 in A-A to schematic cross-section；Fig. 4 be Fig. 2 in C-C to schematic cross-section.Incorporated by reference to Fig. 3 and figure
4, in one specifically embodiment, first electrode layer 200 is anode layer 210, and the second electrode lay 400 is cathode layer 410；Hair
Light unit 310 includes the first hole injection layer 320, the first hole transmission layer 330, pixel being sequentially laminated on anode layer 210
Area 340, the first electron transfer layer 350 and the first electron injecting layer 360；Second sub- illumination region 520 and the first sub- illumination region 510
It include the second hole injection layer 530 being cascading along the direction away from substrate 100, the second hole transmission layer 540, the
Pixel region 550, the second electron transfer layer 560 and the second electron injecting layer 570 of the same colour；And second in sub- illumination region 520
The surface that carrier generating layer 600 deviates from substrate 100 is arranged in two hole injection layers 530；Second in first sub- illumination region 510 is empty
The surface that anode layer 210 deviates from substrate 100 is arranged in cave implanted layer 530.
Specifically, the first hole injection layer 320, the first hole transmission layer 330 can make the hole of anode layer 210 more hold
It easily is transmitted to pixel region 340, the second electron transfer layer 560 and the second electron injecting layer 570 can make carrier generating layer 600
The electronics of generation can be easier to be transmitted to pixel region 340, so that electrons and holes make having for pixel region 340 after combining
Machine luminescent material issues light beam.Similarly, the second hole injection layer 530, the second hole transmission layer 540, the second electron transfer layer 560
It is easier to produce in hole that carrier generating layer 600 and anode layer 210 generate and cathode layer 410 with the second electron injecting layer 570
Raw electron-transport is to the first color pixel area 550, so that the first color pixel area 550 issues the first coloured light.
Fig. 5 be Fig. 2 in D-D to schematic cross-section one；Fig. 6 be Fig. 2 in D-D to schematic cross-section two；Fig. 7 is Fig. 2
Middle D-D to schematic cross-section three.Fig. 5 to Fig. 7 is please referred to, for the convenience of description, indicating four column 12 hairs in each figure
Light unit 310, each column may include a blue-light-emitting unit, an emitting red light unit, a green emitting unit, each column
In three luminescence units 310 can form a luminous zone；Putting in order for luminescence unit 310 can in two neighboring luminous zone
It can also be different with identical.On the basis of the above embodiments, the periphery of luminescence unit 310 is both provided with out in each luminous zone
Mouthfuls 700, and the shape of the opening 700 of 310 periphery of each luminescence unit can identical (such as Fig. 5), can also be different and (such as scheme
7).It can make that there is opening 700 in each luminous zone above, further increase the area of opening 700, more effectively share
Electric current improves the service life of display panel.
In the present embodiment, be open 700 structure and shape can there are many so that the knot of the first sub- illumination region 510
Structure and shape can also there are many.In fig. 5 and fig., in each luminous zone, adjacent two luminescence units, 310 periphery
Opening 700, which is connected with each other, forms a total opening 700.And in Fig. 7, in each luminous zone, adjacent two lists that shine
The opening 700 of 310 periphery of member mutually disconnects.
Referring again to Fig. 5 and Fig. 6, be with a luminous zone it is whole, opening 700 in each luminous zone and adjacent shine
Opening 700 in area mutually disconnects.In Fig. 7, the opening 700 in each luminous zone and 700 phase of opening in adjacent luminous zone
It connects.
It is appreciated that the structure of above-mentioned several openings 700 can be combined with each other, for example, two adjacent luminescence units 310
Opening 700 can connect, and the opening 700 of two neighboring luminous zone can be not connected to, and be repeated no more.
The present embodiment provides a kind of display devices, including shell and display panel；Display panel is mounted in shell.
Specifically, the present embodiment display device can be mobile phone, display, TV, tablet computer etc. with display function
Equipment.The structure and function of display panel can be same as the previously described embodiments, repeats no more.Shell can be plastics or metal
Shell etc. is a variety of, and display panel may be mounted in shell.
Display device provided in this embodiment passes through setting substrate and the first electrode on substrate that is cascading
Layer, luminescent layer and the second electrode lay；Luminescent layer includes the multiple luminous zones being disposed on the substrate, and each luminous zone includes multiple hairs
Light unit, multiple luminescence units are used to issue the light of the N kind different colours including the first coloured light；And issue the first coloured light
The luminous efficiency of luminescence unit is less than the luminous efficiency for issuing each luminescence unit of remaining N-1 kind color of light；First electrode layer
The sub- luminescent layer for issuing the first coloured light is provided between the second electrode lay.Sub- luminescent layer, which can be improved, issues the first coloured light
Light emitting region area, so as to share in luminescent layer the electric current for the luminescence unit for issuing the first coloured light, improve this shine
The service life of unit, and then improve the service life of display panel and display device.
The present embodiment also provides a kind of display panel processing method, comprising:
Step 1, first electrode layer 200 is formed on the substrate 100.
Step 2, the luminescent layer 300 including multiple luminescence units 310 is formed in first electrode layer 200；Multiple luminous lists
Member 310 is for issuing the light of the N kind different colours including the first coloured light；And issue the luminescence unit 310 of the first coloured light
Luminous efficiency is less than the luminous efficiency for issuing each luminescence unit 310 of remaining N-1 kind color of light；Wherein, N is oneself greater than 1
So number；
Step 3, the sub- luminescent layer 500 for issuing the first coloured light is formed on luminescence unit 310.
Step 4, the second electrode lay 400 is formed on sub- luminescent layer 500.
Specifically, first electrode layer 200, luminescent layer 300, sub- luminescent layer 500 and the second electrode lay 400 can be by excessively normal
The modes such as the processing method seen, such as vapor deposition, sputtering are process.Its specific structure can refer to above-described embodiment, again not
It repeats again.The area for issuing the light emitting region of the first coloured light can be improved in sub- luminescent layer 500, so as to share luminescent layer 300
It is middle issue the first coloured light luminescence unit 310 electric current, improve the service life of the luminescence unit 310, so improve display panel and
The service life of display device.
Preferably, carrier generating layer 600 can be set between luminescent layer 300 and sub- luminescent layer 500.Carrier generating layer
600 can provide electrons and holes simultaneously, can be used as the anode of sub- luminescent layer 500, and simultaneously as luminescence unit 310
Cathode, to form stacked structure, for issuing the luminescence unit 310 of the first color, the above stacked structure is practical to be equivalent to be formed
Two the first colour organic luminous diodes, can share electric current simultaneously, further increase the service life of display panel.
Further, it is gone back between step 2 and step 3, including further include: step 21, at least partially luminescent unit 310
Periphery formed opening 700；Sub- luminescent layer 500 include the first sub- illumination region 510 and connect with the first sub- illumination region 510 the
Two sub- illumination regions 520；First sub- illumination region 510 is formed in opening 700；Second sub- illumination region 520 is formed in multiple luminous lists
Above member 310.
Specifically, after forming luminescent layer 300, opening 700 can be formed between part luminescence unit 310, is then passed through
CMM technique forms the sub- luminescent layer 500 of flood being covered on outside substrate 100, that is, the first sub- illumination region 510 and the second son shine
Portion 520 can be formed in same procedure.
It is appreciated that the minimum range between two neighboring luminescence unit 310 is certain due to the limitation of prior art
, by forming the sub- luminescent layer 500 of opening 700 and flood, the limitation of prior art can be broken, shone using two neighboring
Interval between unit 310 can be utilized and form light emitting region, improve aperture opening ratio and the sending first of display panel
The area of the light emitting region of coloured light, to further increase the service life of display panel.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes at least one this feature.In the description of the present invention, " multiple " are meant that at least two, such as two, three etc.,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature " upper " or " under " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and the fisrt feature " above " that can be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be the
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the above description, reference term " one embodiment ", " some embodiments ", " example ", " specific example " or "
" equal description means that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in some examples
In at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms are necessarily directed to
Be identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can any one or it is more
It can be combined in any suitable manner in a embodiment or example.In addition, without conflicting with each other, those skilled in the art can
The feature of different embodiments or examples described in this specification and different embodiments or examples to be combined.
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
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of display panel characterized by comprising substrate and the first electrode being cascading on the substrate
Layer, luminescent layer and the second electrode lay；
The luminescent layer includes the multiple luminous zones of setting on the substrate, and each luminous zone includes multiple luminous lists
Member, the multiple luminescence unit are used to issue the light of the N kind different colours including the first coloured light；And issue first color
The luminous efficiency of the luminescence unit of light is less than the luminous effect for issuing each luminescence unit of remaining N-1 kind color of light
Rate；The sub- luminescent layer for issuing the first coloured light is provided between the first electrode layer and the second electrode lay；Wherein, N
For the natural number greater than 1.
2. display panel according to claim 1, which is characterized in that the sub- luminescent layer includes the first sub- illumination region；It is more
The periphery of at least partly described luminescence unit in a luminous zone is provided with opening, and the first sub- illumination region is arranged in institute
It states in opening.
3. display panel according to claim 2, which is characterized in that the sub- luminescent layer includes shining with first son
Second sub- illumination region of portion's connection；The second sub- illumination region is covered on the top that the multiple luminescence unit deviates from the substrate
Face.
4. display panel according to claim 3, which is characterized in that the second sub- illumination region and the luminescence unit it
Between be additionally provided with carrier generating layer.
5. display panel according to claim 4, which is characterized in that the first electrode layer be anode layer, described second
Electrode layer is cathode layer；
The luminescence unit include stack gradually the first hole injection layer on the anode layer, the first hole transmission layer, pixel region,
First electron transfer layer and the first electron injecting layer；
The second sub- illumination region and the first sub- illumination region include being cascading along the direction away from the substrate
The second hole injection layer, the second hole transmission layer, the first color pixel area, the second electron transfer layer and the second electron injection
Layer；
And second hole injection layer setting in the second sub- illumination region deviates from the substrate in the carrier generating layer
Surface；The table that the anode layer deviates from the substrate is arranged in second hole injection layer in the first sub- illumination region
Face.
6. according to the described in any item display panels of claim 2-5, which is characterized in that shine described in each luminous zone
The periphery of unit is both provided with the opening.
7. display panel according to claim 6, which is characterized in that in each luminous zone, two adjacent institutes
The opening for stating luminescence unit periphery is connected with each other or disconnects；
And/or
The opening in the opening and adjacent luminous zone in each luminous zone is connected with each other or disconnects.
8. a kind of display device, which is characterized in that including shell and the described in any item display panels of claim 1-7；Institute
Display panel is stated to be mounted in the shell.
9. a kind of display panel processing method characterized by comprising
First electrode layer is formed on substrate；
The luminescent layer including multiple luminescence units is formed in first electrode layer；The multiple luminescence unit includes for issuing
The light of N kind different colours including a shade；And the luminous efficiency for issuing the luminescence unit of first coloured light is less than hair
The luminous efficiency of each luminescence unit of remaining N-1 kind color of light out；Wherein, N is the natural number greater than 1；
The sub- luminescent layer for issuing the first coloured light is formed on the luminescence unit；
The second electrode lay is formed on the sub- luminescent layer.
10. display panel processing method according to claim 9, which is characterized in that
It is formed on the luminescence unit before the sub- luminescent layer for issuing the first coloured light further include: in at least partly described hair
The periphery of light unit forms opening；
The sub- luminescent layer includes the first sub- illumination region and the second sub- illumination region for connecting with the described first sub- illumination region；It is described
First sub- illumination region is formed in the opening；The second sub- illumination region is formed in above multiple luminescence units.
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| CN110335884B (en) | 2021-09-28 |
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