CN110299464A - OLED luminescence component, evaporation coating method, device and control method - Google Patents
OLED luminescence component, evaporation coating method, device and control method Download PDFInfo
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- CN110299464A CN110299464A CN201910596288.6A CN201910596288A CN110299464A CN 110299464 A CN110299464 A CN 110299464A CN 201910596288 A CN201910596288 A CN 201910596288A CN 110299464 A CN110299464 A CN 110299464A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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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
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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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
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
- H10K50/125—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white 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
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
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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
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- H—ELECTRICITY
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- 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
- H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/16—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
- H10K71/166—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering using selective deposition, e.g. using a mask
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- H10K2101/00—Properties of the organic materials covered by group H10K85/00
- H10K2101/10—Triplet emission
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The application provides a kind of OLED luminescence component, evaporation coating method, device and control method.OLED luminescence component includes first electrode layer, the second electrode lay and multiple first luminescence units and multiple second luminescence units being arranged between first electrode layer and the second electrode lay.First luminescence unit includes the first hole transmission layer, the first luminescent layer and the first electron transfer layer being successively set in first electrode layer.Second luminescence unit includes the second hole transmission layer, the second luminescent layer and the second electron transfer layer being successively set in first electrode layer.First luminescent layer is different from the luminescent color of second luminescent layer.Using OLED luminescence component, evaporation coating method, device and control method provided by the present application, the change of OLED luminescence component luminescent color is realized by simple structure.
Description
Technical field
This application involves technical field of semiconductors, in particular to a kind of OLED luminescence component, evaporation coating method, device
And control method.
Background technique
With the high speed development of Organic Light Emitting Diode (Organic Light-Emitting Diode, abbreviation OLED),
It is largely used in fields such as displays.The oled panel being prepared by OLED device, the diversity of display color,
Determine the competitiveness in market.
Currently, after preparing changeable colour oled panel using dot matrix and a plurality of different colours OLED device, since it has
Many independent luminous zones, driving circuit are complex.Simultaneously because individually electrode is relatively fine, to luminescent layer and electrode mask
The aligning accuracy of version requires very high, it is desirable to accomplish that mass production is very difficult.
In view of this, how to provide, a kind of structure is simple, the design side of oled panel luminescent color change may be implemented
Case is current problem to be solved.
Summary of the invention
The application provides a kind of OLED luminescence component, evaporation coating method, device and control method.
In a first aspect, the application provides a kind of OLED luminescence component, including first electrode layer, the second electrode lay, Yi Jishe
Set multiple first luminescence units and multiple second luminescence units between the first electrode layer and the second electrode lay；
First luminescence unit includes the first hole transmission layer being successively set in the first electrode layer, the first hair
Photosphere and the first electron transfer layer；
Second luminescence unit includes the second electron transfer layer being successively set in the first electrode layer, the second hair
Photosphere and the second hole transmission layer；
First luminescent layer is different from the luminescent color of second luminescent layer.
Optionally, first luminescent layer includes Yellow luminous layer；
Second luminescent layer includes blue light-emitting layer.
Optionally, first luminescent layer includes the sub- luminescent layer of green and red sub- luminescent layer.
Optionally, first luminescence unit and/or the second luminescence unit include that the mutually different son of multiple groups color shines
Unit, the sub- luminescence unit of each group are disposed in parallel between first electrode layer and the second electrode lay.
Optionally, first luminescence unit and the second luminescence unit are arranged at intervals on the first electrode layer and the second electricity
Between the layer of pole.
Optionally, the OLED luminescence component further includes level-density parameter layer, and the level-density parameter layer is arranged described second
Between hole transmission layer and the second electrode lay, for improving the injection efficiency in hole.
Second aspect, the application provide a kind of OLED luminescence component evaporation coating method, are formed described in first aspect for being deposited
OLED luminescence component, which comprises
The first hole transmission layer is deposited to the side of the first electrode layer by the first mask plate；
The first luminescent layer is deposited to first hole transmission layer far from first electricity by first mask plate
The side of pole layer；
The first electron transfer layer is deposited to first luminescent layer far from first sky by first mask plate
The side of cave transport layer；
The second electron transfer layer is deposited to the side of the first electrode layer by the second mask plate；
The second photosphere is deposited to second electron transfer layer far from the first electrode by second mask plate
The side of layer；
The second hole transmission layer is deposited to second luminescent layer far from second electricity by second mask plate
The side of sub- transport layer, wherein first mask plate is complementary with the shape of the second mask plate or partly overlaps；
The second electrode lay is deposited by third mask plate remote to first electron transfer layer and the second hole transmission layer
Side from the first electrode layer.
The third aspect, the application provides a kind of OLED light emitting device, including OLED described in driving circuit and first aspect
Luminescence component；
The driving circuit is electrically connected with the first electrode layer of the OLED luminescence component and the second electrode lay, the driving
The driving current that circuit output direction alternately changes is to drive the OLED luminescence component.
Optionally, the OLED light emitting device further includes controller, and the controller is electrically connected with the driving circuit, is used
In the duty ratio of the size and the output positive negative direction of electric current that adjust the driving current.
Fourth aspect, the application provides a kind of OLED luminescence component control method, for controlling described in first aspect
OLED luminescence component, which comprises
Alternating current is inputted to the first electrode layer and the second electrode lay；
According to preset rules, size of current of the alternating current respectively in positive negative direction is adjusted and/or in positive losing side
Upward respective duty ratio, so that the luminescent color of the OLED luminescence component changes according to preset rules.
The application provides a kind of OLED luminescence component, evaporation coating method, device and control method.OLED luminescence component includes the
One electrode layer, the second electrode lay and multiple first luminescence units being arranged between first electrode layer and the second electrode lay and more
A second luminescence unit.First luminescence unit includes the first hole transmission layer being successively set in first electrode layer, the first hair
Photosphere and the first electron transfer layer.Second luminescence unit include the second hole transmission layer being successively set in first electrode layer,
Second luminescent layer and the second electron transfer layer.First luminescent layer is different from the luminescent color of second luminescent layer.Using
OLED luminescence component, evaporation coating method, device and control method provided by the present application, by the way that the first luminescence unit and second shine
Unit is oppositely arranged with respect to the first electron transfer layer, realizes changing for OLED luminescence component luminescent color based on simple structure
Become.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the application, therefore it is not construed as pair
The restriction of range.It for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of OLED luminescence component provided by the embodiments of the present application；
Fig. 2 is the configuration schematic diagram of OLED luminescence component provided by the embodiments of the present application；
Fig. 3 is the partial structural diagram of OLED luminescence component provided by the embodiments of the present application；
Fig. 4 is the local structure top view of OLED luminescence component provided by the embodiments of the present application；
Fig. 5 is the structural schematic diagram of the first luminescent layer provided by the embodiments of the present application；
Fig. 6 is the local structure top view of another OLED luminescence component provided by the embodiments of the present application；
Fig. 7 is the front view of the partial structurtes of OLED luminescence component provided by the embodiments of the present application；
Fig. 8 is the local structure top view of another OLED luminescence component provided by the embodiments of the present application；
Fig. 9 is the step schematic process flow diagram of OLED luminescence component evaporation coating method provided by the embodiments of the present application；
Figure 10 is the structural schematic block diagram of OLED light emitting device provided by the embodiments of the present application；
Figure 11 is the circuit diagram of driving circuit provided by the embodiments of the present application.
Icon: 1-OLED luminescence component；10- first electrode layer；20- the second electrode lay；The first luminescence unit of 30-；301-
First hole transmission layer；The first luminescent layer of 302-；The sub- luminescent layer of 3021- green；The red sub- luminescent layer of 3022-；The first electricity of 303-
Sub- transport layer；The sub- luminescence unit of 304- green；The red sub- luminescence unit of 305-；The second luminescence unit of 40-；The second electronics of 401- passes
Defeated layer；The second luminescent layer of 402-；The second hole transmission layer of 403-；2- driving circuit；3- controller.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described.Obviously, described embodiment is
Some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model of the application protection
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
In the description of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, " setting ", " even
Connect " etc. terms shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be and be directly connected to, can also be indirectly connected with by intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in this application.
With reference to the accompanying drawing, the specific embodiment of the application is described in detail.
Incorporated by reference to referring to FIG. 1 and FIG. 2, Fig. 1 is the structural schematic diagram of OLED luminescence component 1 provided by the embodiments of the present application,
Fig. 2 is the configuration schematic diagram of OLED luminescence component 1 provided by the embodiments of the present application.
In the present embodiment, OLED luminescence component 1 includes first electrode layer 10, the second electrode lay 20 and is disposed in parallel in
Multiple first luminescence units 30 and multiple second luminescence units 40 between the first electrode layer 10 and the second electrode lay 20.
In the present embodiment, first electrode layer 10 can be made of tin indium oxide (abbreviation ITO), and the second electrode lay 20 can
To be made using 100nm aluminum.
It is the partial structural diagram of OLED luminescence component 1 provided by the embodiments of the present application incorporated by reference to reference Fig. 3, Fig. 3.Institute
Stating the first luminescence unit 30 includes that the first hole transmission layer 301, first being successively set in the first electrode layer 10 shines
Layer 302 and the first electron transfer layer 303.
Second luminescence unit 40 includes the second electron transfer layer being successively set in the first electrode layer 10
401, the second luminescent layer 402 and the second hole transmission layer 403.
First luminescent layer 302 is different from the luminescent color of second luminescent layer 402.
In the present embodiment, the first electron transfer layer and the second electron transfer layer are used for transmission electronics, first hole
Transport layer and second hole transmission layer are used for transmission hole, so that the first luminescence unit and the second luminescence unit form electric current
The opposite Organic Light Emitting Diode of conducting direction.
Further, first electrode layer 10 and the second electrode lay 20 can respectively as OLED luminescence component 1 anode and
Cathode.First luminescence unit 30 can be according to the first hole transmission layer 301, the first luminescent layer 302 and the first electron transfer layer 303
Be set in sequence in first electrode layer 10 so that the first electron transfer layer 303 and the second electrode lay of the first luminescence unit 30
20 connections, the first hole transmission layer 301 of the first luminescence unit 30 are connect with first electrode layer 10.And the second luminescence unit 40 can
To be set in sequence in first electrode according to the second electron transfer layer 401, the second luminescent layer 402 and the second hole transmission layer 403
On layer 10, so that the second hole transmission layer 403 of the second luminescence unit 40 is connect with the second electrode lay 20, the second luminescence unit 40
The second electron transfer layer 401 connect with first electrode layer 10.When first electrode layer 10 is used as anode, 20 conduct of the second electrode lay
When cathode, the first luminescence unit 30 is activated, and the first luminescent layer 302 of the first luminescence unit 30 issues the light of corresponding color.When
First electrode layer 10 is used as cathode, and when the second electrode lay 20 is as anode, the second luminescence unit 40 is activated, the second luminescence unit
40 the second luminescent layer 402 issues the light of corresponding color.In other embodiments, the first luminescence unit 30 can also be made according to
One electron transfer layer 303, the first luminescent layer 302 and the first hole transmission layer 301 are set in sequence in first electrode layer 10, together
When the second luminescence unit 40 according to the second hole transmission layer 403, the second luminescent layer 402 and the second electron transfer layer 401 sequence
It is arranged in first electrode layer 10, as long as meeting the first luminescence unit 30 and 40 opposite first pole layer 10 of the second luminescence unit
Conducting direction is opposite, so that the first luminescence unit 30 and the second luminescence unit 40 are lighted respectively under the driving of power supply, institute
It states OLED luminescence component 1 and the mixed color of light and brightness that the first luminescence unit 30 and the second luminescence unit 40 issue is presented.
Referring to figure 4., Fig. 4 is the local structure top view of OLED luminescence component 1 provided by the embodiments of the present application.It is described
First luminescent layer 302 includes Yellow luminous layer, and second luminescent layer 402 includes blue light-emitting layer.
In the present embodiment, it can be wrapped by the Yellow luminous layer for including by the first luminescent layer 302 and the second luminescent layer 402
The blue light-emitting layer included is set side by side, so that the first luminescence unit 30 and the combination of the second luminescence unit 40 issue preset need color
Light (Y in the present embodiment, which can represent Yellow luminous layer, B, can represent blue light-emitting layer).Wherein, Yellow luminous layer can be with
By issuing the material production of yellow light after being powered, blue light-emitting layer makes with the material by issuing blue light after being powered.
Incorporated by reference to referring to figure 5 and figure 6, Fig. 5 is the structural schematic diagram of the first luminescent layer provided by the embodiments of the present application, Fig. 6
For the local structure top view of another OLED luminescence component 1 provided by the embodiments of the present application.First luminescent layer 302 includes green
Dice luminescent layer and red sub- luminescent layer.
In the present embodiment, the first luminescent layer 302 can be by the sub- luminescent layer 3021 of green and sub- 3022 groups of luminescent layer of red
At, therefore when the conducting of the first luminescence unit 30, the sub- luminescent layer 3021 of green and red sub- luminescent layer 3022 can combine sending
The light of yellow, OLED luminescence component 1 issue yellow light.Second luminescent layer 402 may include blue light-emitting layer, when the second luminescence unit
When 40 conducting, blue light-emitting layer issues the light of blue, and OLED luminescence component 1 issues blue light at this time.It should be understood that aforementioned
Under situation, when first electrode layer 10 is longer as the state retention time of cathode as anode, the second electrode lay 20, OLED is sent out
The light color that optical assembly 1 issues is partially warm, when first electrode layer 10 is kept as cathode, the second electrode lay 20 as the state of anode
The light color that OLED luminescence component 1 issues when time is longer is colder.It therefore, can be by switching first electrode layer 10 as sun
Pole, the second electrode lay 20 are used as both states of anode as cathode, the second electrode lay 20 as cathode and first electrode layer 10
Retention time, the luminescent color of Lai Shixian OLED luminescence component 1 changes.
It should be understood that in the present embodiment, green son hair is arranged in the first luminescent layer of the first luminescence unit 30
The mode of photosphere 3021 and red sub- luminescent layer 3022 can be the sub- luminescent layer 3021 of green and cover red sub- luminescent layer 3022,
It can be red sub- luminescent layer 3022 and cover the sub- luminescent layer 3021 of green, the sub- luminescent layer 3021 of green and red sub- luminescent layer 3022
The light of yellow is issued by color addition, then is shone by the first luminescence unit 30 according to the sub- luminescent layer 3021 of green and red son
(R in the present embodiment can represent red sub- luminescent layer 3022 to the yellow light that 3022 superposition of layer obtains, and G can represent green son hair
Photosphere 3021) and the second luminescence unit 40 issue blue light combination issue preset need color light.
It is the partial structurtes of OLED luminescence component 1 provided by the embodiments of the present application incorporated by reference to reference Fig. 7 and Fig. 8, Fig. 7
Front view, Fig. 8 are the local structure top view of another OLED luminescence component 1 provided by the embodiments of the present application.In the present embodiment
First luminescence unit 30 and/or the second luminescence unit 40 may include the mutually different sub- luminescence unit of multiple groups color, respectively
The sub- luminescence unit of group is disposed in parallel between first electrode layer 10 and the second electrode lay 20.For example, first luminescence unit 30
It may include the sub- luminescence unit 304 of green and red sub- luminescence unit 305, second luminescence unit 40 may include blue hair
Light unit, the sub- luminescence unit 304 of the green, red sub- luminescence unit 305 and blue-light-emitting unit are disposed in parallel in the first electricity
Between pole layer 10 and the second electrode lay 20.It should be understood that between each sub- luminescence unit that the first luminescence unit 30 includes
It is to be set side by side, it is relatively independent between each sub- luminescence unit.
In other embodiments in the present embodiment, first luminescence unit 30 may include blue-light-emitting unit and
The sub- luminescence unit 304 of green, second luminescence unit 40 may include red sub- luminescence unit 305, the blue-light-emitting list
Member, the sub- luminescence unit 304 of green and red sub- luminescence unit 305 be disposed in parallel in first electrode layer 10 and the second electrode lay 20 it
Between.In other embodiments provided by the present application, the first luminescence unit 30 and the second luminescence unit 40 can also respectively include more
The different sub- luminescence unit of group, each sub- luminescence unit can be disposed in parallel in first electrode layer 10 and the second electrode lay 20 it
Between.
Further, first luminescence unit 30 and the second luminescence unit 40 are arranged at intervals on the first electrode layer 10
Between the second electrode lay 20.
In this embodiment, the first luminescence unit 30 and the second luminescence unit 40 can be spaced setting between each other, to reach
Luminescent color changes uniform effect.For example, as shown in Figure 2, between the first luminescence unit 30 and the second luminescence unit 40 between
It can be alternatively arranged every the mode of arrangement for the grid type as chessboard.In the other embodiments of the present embodiment
In, the spaced arrangement of the first luminescence unit 30 and the second luminescence unit 40 is also possible in a strip shape be alternatively arranged, between ring-type
Every arrangement etc., the present embodiment to this with no restriction.
Further, the OLED luminescence component 1 further includes level-density parameter layer, and level-density parameter layer setting is described the
Between two hole transmission layers 403 and the second electrode lay 20, for improving the injection efficiency in hole.
In the present embodiment, the first electrode layer 10 can be transparent electrode (such as ITO), and the second electrode lay 20 can be with
For metal electrode (such as 100nmAl), it should be understood that yes, the second electrode lay 20 is opaque at this time, therefore can be set one
Second hole transport can be improved between second hole transmission layer 403 and the second electrode lay 20 in level-density parameter layer
The injection efficiency in the hole of layer 403.In the present embodiment, it is possible to which grade matching layer can be made of molybdenum trioxide, in the present embodiment
In other embodiments, level-density parameter layer can also be made of materials such as tungstic acid and rhenium trioxides.
Fig. 9 is please referred to, Fig. 9 is that the step process of 1 evaporation coating method of OLED luminescence component provided by the embodiments of the present application is illustrated
Block diagram.1 evaporation coating method of OLED luminescence component includes step S201 to step S207.
The first hole transmission layer 301 is deposited to the one of the first electrode layer 10 by the first mask plate by step S201
Side.
The first luminescent layer 302 is deposited to first hole transmission layer 301 by first mask plate by step S202
Side far from the first electrode layer 10.
The first electron transfer layer 303 is deposited to first luminescent layer 302 by first mask plate by step S203
Side far from first hole transmission layer 301.
The second electron transfer layer 401 is deposited to the one of the first electrode layer 10 by the second mask plate by step S204
Side.
Step S205 the second photosphere is deposited by second mask plate separate to second electron transfer layer 401
The side of the first electrode layer 10.
The second hole transmission layer 403 is deposited to second luminescent layer 402 by second mask plate by step S206
Side far from second electron transfer layer 401, wherein first mask plate is complementary with the shape of the second mask plate or portion
Divide overlapping.
In the present embodiment, the first mask plate can be complementary with the shape of the second mask plate, and the first mask plate
Opening with the second mask plate can also be slightly larger, shines so as to be deposited by the first mask plate to first in first electrode layer 10
It overlaps, is avoided because of the first mask plate and the second mask plate bit errors between unit 30 and the second luminescence unit 40
If (complete complementary does not partly overlap, and having very little error also can make to go out between the first luminescence unit 30 and the second luminescence unit 40
Existing gap), when preventing vapor deposition the second electrode lay 20, the material of the second electrode lay 20 is deposited to the first luminescence unit 30 and the second hair
In gap between light unit 40, short circuit is caused.
The second electrode lay 20 is deposited to first electron transfer layer 303 and the by third mask plate by step S207
Side of two hole transmission layers 403 far from the first electrode layer 10.
Further, the opening of the third mask plate is less than the opening of first mask plate and opening for the second mask plate
Mouthful.
In the present embodiment, for being deposited the second electrode lay 20 to first electron transfer layer 303 and the second hole
The opening of third mask plate in transport layer 403 can be less than the opening of the first mask plate and the opening of the second mask plate.?
Two electrode layers 20 are in vapor deposition, if the opening of third mask plate is excessive, the second electrode lay 20, which can be completely covered, states the first electronics biography
Defeated layer 303 and the second hole transmission layer 403 are simultaneously deposited to first electrode layer 10, at this time the second electrode lay 20 and first electrode layer 10
Contact will cause the problem of short circuit.Therefore, by third mask plate opening setting the first mask plate of ratio and the second mask plate
Opening it is small, the second electrode lay 20 can be made to be deposited by third mask plate to the first electron transfer layer 303 and the second hole
In transport layer 403, it can't make to lead to short circuit on the vapor deposition to first electrode layer 10 of the second electrode lay 20.
Figure 10 is please referred to, Figure 10 is the structural schematic block diagram of OLED light emitting device provided by the embodiments of the present application.OLED hair
Electro-optical device includes driving circuit 2 and OLED luminescence component 1 above-mentioned.
The driving circuit 2 is electrically connected with the first electrode layer 10 of the OLED luminescence component 1 and the second electrode lay 20, institute
The driving current of 2 outbound course of driving circuit alternating variation is stated to drive the OLED luminescence component 1.
Further, the OLED light emitting device further includes controller 3, and the controller 3 is electrically connected with the driving circuit 2
It connects, for adjusting size and duty ratio of the driving current respectively in positive negative direction.
It is the circuit diagram of driving circuit 2 provided by the embodiments of the present application incorporated by reference to 1, Figure 11 referring to Fig.1.In this implementation
In example, controller 3 (Microcontroller Unit, abbreviation MCU) can be by driving circuit 2 as shown in figure 11 to OLED
Luminescence component 1 carries out the operation such as commutate, and driving circuit 2 can be divided into two parts of driving and commutation, and the circuit of drive part exists
Current mode drive (such as PT4115, LM3410) can be used in the present embodiment, the circuit for part of commutating can use metal-oxide-semiconductor group
At circuit realize.The driving current that controller 3 can alternately be changed by control 2 outbound course of driving circuit realizes OLED hair
First electrode layer 10 and the second electrode lay 20 switch respectively as the state of anode and cathode in optical assembly 1, and are driven by control
The streaming current size and duty ratio in positive negative direction respectively, to correspond to the luminous color of control OLED luminescence component 1.In this reality
It applies in example, controller 3 can be 51 single-chip microcontrollers.It in other embodiments, can also be micro- using other microcontrollers, such as STM8
Controller (STMicroelectronics-8) with user for interacting.It is understood that further including that other make in Figure 11
The auxiliary element and line that driving circuit 2 operates normally, these auxiliary elements and line, for guaranteeing the normal fortune of circuit
Row, the use of these auxiliary elements belong to the circuit application habit of industry universal, and details are not described herein.
The embodiment of the present application provides a kind of 1 control method of OLED luminescence component, for controlling OLED luminescence component above-mentioned
1, which comprises
Alternating current is inputted to the first electrode layer 10 and the second electrode lay 20.
According to preset rules, the alternating current is adjusted respectively in the size in positive negative direction and/or in positive negative direction
Respective duty ratio, so that the luminescent color of the OLED luminescence component 1 changes according to preset rules.
Further, the type of the alternating current is equal, the contrary class square wave type of size of current.
In this embodiment, can be by increasing through the duty ratio of 30 electric current of the first luminescence unit, and/or reduce by the
The duty ratio of the electric current of two luminescence units 40 also can reduce and pass through to reduce the colour temperature of 1 light of OLED luminescence component
The duty ratio of first luminescence unit, 30 electric current, and/or increase the duty ratio of the electric current by the second luminescence unit 40, to increase
The colour temperature for 1 light of OLED luminescence component stated.It is further possible to pass through the electric current for increasing or reducing the first luminescence unit 30
Ratio between size and the size of current for passing through the second luminescence unit 40, to realize the reduction or increasing of color colour temperature after mixing
Greatly.
Further, it is corresponding luminous to control the OLED luminescence component 1 for the size that electric current can also be exported by adjusting
The brightness of luminescent color under state (electric current is bigger, and light emission luminance is bigger).It can also be shone by adjustment simultaneously by first
The duty ratio of unit and the second luminescence unit electric current, and respectively the size of electric current is corresponding come the OLED luminescence component for obtaining needs
Colour temperature and brightness.
It is worth noting that the frequency of the alternating current of output can be greater than 3125Hz to guarantee that OLED luminescence component 1 shines
Bright health.
In conclusion using OLED luminescence component, evaporation coating method, device and control method provided by the present application, Neng Goutong
The luminous coloration that simple structure realizes OLED luminescence component is crossed, improves and is needed in the prior art through complicated circuit design
The problem of being just able to achieve the luminous coloration of OLED luminescence component.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of OLED luminescence component, which is characterized in that including first electrode layer, the second electrode lay and be arranged described first
Multiple first luminescence units and multiple second luminescence units between electrode layer and the second electrode lay；
First luminescence unit includes the first hole transmission layer being successively set in the first electrode layer, the first luminescent layer
With the first electron transfer layer；
Second luminescence unit includes the second electron transfer layer being successively set in the first electrode layer, the second luminescent layer
With the second hole transmission layer；
First luminescent layer is different from the luminescent color of second luminescent layer.
2. component according to claim 1, which is characterized in that first luminescent layer includes Yellow luminous layer；
Second luminescent layer includes blue light-emitting layer.
3. component according to claim 1 or 2, which is characterized in that first luminescent layer include the sub- luminescent layer of green and
Red sub- luminescent layer, second luminescent layer includes blue light-emitting layer.
4. component according to claim 1, which is characterized in that first luminescence unit and/or the second luminescence unit packet
The mutually different sub- luminescence unit of multiple groups color is included, the sub- luminescence unit of each group is disposed in parallel in first electrode layer and the second electrode lay
Between.
5. component according to claim 1, which is characterized in that first luminescence unit and the second luminescence unit interval are set
It sets between the first electrode layer and the second electrode lay.
6. component according to claim 1, which is characterized in that the OLED luminescence component further includes level-density parameter layer, institute
It states level-density parameter layer to be arranged between second hole transmission layer and the second electrode lay, for improving the injection efficiency in hole.
7. a kind of OLED luminescence component evaporation coating method, which is characterized in that formed described in any one of claim 1-6 for being deposited
OLED luminescence component, which comprises
The first hole transmission layer is deposited to the side of the first electrode layer by the first mask plate；
The first luminescent layer is deposited to first hole transmission layer far from the first electrode layer by first mask plate
Side；
The first electron transfer layer is deposited to first luminescent layer by first mask plate and is passed far from first hole
The side of defeated layer；
The second electron transfer layer is deposited to the side of the first electrode layer by the second mask plate；
The second photosphere is deposited to second electron transfer layer far from the first electrode layer by second mask plate
Side；
The second hole transmission layer is deposited to second luminescent layer by second mask plate and is passed far from second electronics
The side of defeated layer, wherein first mask plate is complementary with the shape of the second mask plate or partly overlaps；
The second electrode lay is deposited to first electron transfer layer and the second hole transmission layer far from institute by third mask plate
State the side of first electrode layer.
8. a kind of OLED light emitting device, which is characterized in that including driving circuit and OLED of any of claims 1-5
Luminescence component；
The driving circuit is electrically connected with the first electrode layer of the OLED luminescence component and the second electrode lay, the driving circuit
The driving current that outbound course alternately changes is to drive the OLED luminescence component.
9. device according to claim 8, which is characterized in that the OLED light emitting device further includes controller, the control
Device processed is electrically connected with the driving circuit, for adjusting the size of the driving current and the duty of the output positive negative direction of electric current
Than.
10. a kind of OLED luminescence component control method, which is characterized in that of any of claims 1-6 described for controlling
OLED luminescence component, which comprises
Alternating current is inputted to the first electrode layer and the second electrode lay；
According to preset rules, the alternating current is adjusted respectively in the size of current in positive negative direction and/or in positive negative direction
Respective duty ratio, so that the luminescent color of the OLED luminescence component changes according to preset rules.
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| CN201910596288.6A CN110299464A (en) | 2019-07-03 | 2019-07-03 | OLED luminescence component, evaporation coating method, device and control method |
| PCT/CN2020/094829 WO2021000699A1 (en) | 2019-07-03 | 2020-06-08 | Oled light-emitting component, evaporation method therefor, apparatus and control method |
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| WO2021000699A1 (en) * | 2019-07-03 | 2021-01-07 | 江苏集萃有机光电技术研究所有限公司 | Oled light-emitting component, evaporation method therefor, apparatus and control method |
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| US20060022910A1 (en) * | 2004-07-30 | 2006-02-02 | Takuro Sekiya | Multifunction display device |
| CN103996792A (en) * | 2014-04-30 | 2014-08-20 | 京东方科技集团股份有限公司 | Organic light emitting device and manufacturing method thereof, and organic light emitting display device and driving method thereof |
| CN104538553A (en) * | 2014-12-31 | 2015-04-22 | 北京维信诺科技有限公司 | Color-adjustable organic electroluminescent device |
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| JP5600895B2 (en) * | 2009-06-26 | 2014-10-08 | 富士ゼロックス株式会社 | Organic electroluminescent element, exposure apparatus, process cartridge, image forming apparatus, display apparatus, and driving method of organic electroluminescent element |
| CN104485346B (en) * | 2014-12-22 | 2018-02-13 | 北京维信诺光电技术有限公司 | A kind of Organnic electroluminescent device and preparation method thereof |
| CN104617232B (en) * | 2015-01-05 | 2017-04-19 | 信利（惠州）智能显示有限公司 | Organic Light-Emitting Diodes (OLED) manufacturing method and OLED |
| KR102616023B1 (en) * | 2016-06-30 | 2023-12-22 | 삼성디스플레이 주식회사 | Organic light emitting diode and display device having the same |
| CN110299464A (en) * | 2019-07-03 | 2019-10-01 | 江苏集萃有机光电技术研究所有限公司 | OLED luminescence component, evaporation coating method, device and control method |
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| US20060022910A1 (en) * | 2004-07-30 | 2006-02-02 | Takuro Sekiya | Multifunction display device |
| CN103996792A (en) * | 2014-04-30 | 2014-08-20 | 京东方科技集团股份有限公司 | Organic light emitting device and manufacturing method thereof, and organic light emitting display device and driving method thereof |
| CN104538553A (en) * | 2014-12-31 | 2015-04-22 | 北京维信诺科技有限公司 | Color-adjustable organic electroluminescent device |
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| WO2021000699A1 (en) * | 2019-07-03 | 2021-01-07 | 江苏集萃有机光电技术研究所有限公司 | Oled light-emitting component, evaporation method therefor, apparatus and control method |
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Application publication date: 20191001 |