CN109904209A - Organic light emitting display panel and manufacturing method - Google Patents
Organic light emitting display panel and manufacturing method Download PDFInfo
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- CN109904209A CN109904209A CN201910216495.4A CN201910216495A CN109904209A CN 109904209 A CN109904209 A CN 109904209A CN 201910216495 A CN201910216495 A CN 201910216495A CN 109904209 A CN109904209 A CN 109904209A
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- display panel
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Abstract
This application discloses a kind of organic light emitting display template and manufacturing methods.A kind of organic light emitting display panel further includes colored film layer including substrate, backboard, encapsulated layer, the solar cell layer set gradually, colored film layer is in a direction perpendicular to a substrate, it is set between solar cell layer and teleblem, on being parallel to orientation substrate, is set to non-luminous region.According to technical solution provided by the embodiments of the present application, colored film layer is arranged by the non-luminous region between solar cell layer and teleblem, is able to solve the misalignment problem for being integrated with display panel brought by solar cell layer.
Description
Technical field
The present disclosure relates generally to display field more particularly to organic light emitting display panels and manufacturing method.
Background technique
Flexible OLED display generallys use patch to eliminate the interference of external stray light and EL cathode reflected light etc. at present
The method for closing polaroid, but since polaroid thickness is larger and luminous to EL can also have while eliminating stray light and disappears
Consumption, therefore the method for replacing polaroid need be found.
The flexible OLED display of integrated thin-film solar cell may be implemented that screen thickness is thinned, and can supply for screen
Electricity, that reduces electroluminescent material goes out the series of advantages such as light loss.Consider from making technology, amorphous silicon thin-film solar cell
The feasibility integrated with screen is high, can specifically replace polaroid, reduces screen integral thickness.But due to amorphous silicon membrane
The characteristic of itself, it is weaker to the absorption of certain wave bands such as red spectral band so that in the color of screen entirety amount of red compared with
Weight.
Summary of the invention
In view of drawbacks described above in the prior art or deficiency, be intended to provide a kind of color show it is normal and thin thickness organic
Light emitting display panel and manufacturing method.
In a first aspect, a kind of organic light emitting display panel, including the substrate, backboard, encapsulated layer, solar-electricity set gradually
Pond layer and teleblem, further includes:
Colored film layer, colored film layer in a direction perpendicular to a substrate, are set between solar cell layer and teleblem,
It is parallel on orientation substrate, is set to non-luminous region.
Further include touch control layer in one or more embodiments of the application, colored film layer be set to solar cell layer with
Between touch control layer.
It further include touch control layer in one or more embodiments of the application, touch control layer is set to solar cell layer and coloured silk
Between color film layer.
In one or more embodiments of the application, solar cell layer is disposed with first electrode sublayer, PIN battery
Sublayer and second electrode sublayer.
In one or more embodiments of the application, colored film layer is blue film layer.
Second aspect, a method of manufacture organic light emitting display panel, including the substrate, backboard, encapsulation set gradually
Layer, solar cell layer and teleblem, further include colored film layer, colored film layer in a direction perpendicular to a substrate, is formed in the sun
Non-luminous region can be formed on being parallel to orientation substrate between battery layers and teleblem.
In one or more embodiments of the application, it is also formed with touch control layer, colored film layer is formed in solar cell layer
Between touch control layer.
In one or more embodiments of the application, be also formed with touch control layer, touch control layer be formed in solar cell layer with
Between colored film layer.
In one or more embodiments of the application, solar cell layer is sequentially formed with first electrode sublayer, PIN battery
Sublayer and second electrode sublayer.
In one or more embodiments of the application, colored film layer is blue film layer.
According to technical solution provided by the embodiments of the present application, pass through the non-light-emitting area between solar cell layer and teleblem
Colored film layer is arranged in domain, is able to solve the misalignment problem for being integrated with display panel brought by solar cell layer.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 show according to the reflectivity of the amorphous silicon membrane of the embodiment of the present application with wavelength variation tendency it is exemplary
Schematic diagram；
Fig. 2 shows the exemplary block diagrams according to the organic light emitting display panel of the embodiment of the present application；
Fig. 3 shows the exemplary block diagram of the organic light emitting display panel according to another embodiment of the application；
Fig. 4 shows the exemplary block diagram of the organic light emitting display panel according to the another embodiment of the application.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to invention is illustrated only in attached drawing.
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.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Referring to FIG. 1, showing the variation tendency according to the reflectivity of the amorphous silicon membrane of the embodiment of the present application with wavelength
Illustrative diagram.The reflectivity waveform that amorphous silicon membrane thickness is provided in figure, in the anti-of the red spectral band D3 that dotted line marks
It is higher to penetrate rate, high level reaches 70%.Therefore, it is seen that most feux rouges all reflects away, so that the color that panel is presented is inclined
It is red.The generation of above-mentioned phenomenon is related by the characteristic of a-Si in amorphous silicon.How to solve the above problems, becomes using comprising a-Si
The display panel of solar cell layer of amorphous silicon membrane need solve the problems, such as.
Referring to FIG. 2, showing the exemplary block diagram of the organic light emitting display panel according to the embodiment of the present application.Such as
Shown in figure, a kind of organic light emitting display panel, including the substrate 1, backboard 10, encapsulated layer 14, solar cell layer set gradually
20 and teleblem 35, which is characterized in that further include colored film layer 31, colored film layer in a direction perpendicular to a substrate, is set to too
It is positive on being parallel to orientation substrate, non-luminous region D1 to be set between battery layers 20 and teleblem 35.
For a sub-pixel unit, substrate 1 can be divided into display area D2 and non-display area D1, wherein display
It is equal that the region of light emitting structure is provided in the size of the D2 in region and backboard, which is electroluminescent device, such as
Organic luminescent device or Organic Light Emitting Diode etc..Light emitting structure is the EL layer 13 in figure in the present embodiment.
It should be noted that the non-display area D1 and display area D2 of each film layer are distinguished in figure, with void
Line marks the division in each region.In addition, the specific color of colored film layer is arranged according to the characteristics of solar cell layer 20, such as too
If positive energy battery layers are higher to red reflectivity, colored film layer is using blue film layer；If on the contrary, solar cell layer
Higher to the reflectivity of blue, then the colored film layer is using red film layer.
In some embodiments, on the direction from substrate to teleblem, which is disposed with TFT layer 12 and EL layer 13；
Solar cell layer is disposed with first electrode layer 21, PIN battery layers 22 and the second electrode lay 23.Wherein, PIN includes p-type
A-Si sublayer, intrinsic a-Si sublayer and N-shaped a-Si sublayer, first electrode layer and the second electrode lay can be cathode or anode, when
It is anode when first electrode layer is close to p-type a-Si sublayer, is cathode when the second electrode lay is close to N-shaped a-Si sublayer.
As Fig. 1 analysis, because of the influence of a-Si, the red light component of the reflection in entire display panel will be laid particular stress on, interference
Display panel shows normal color.At this point, by being arranged between the solar cell layer and teleblem of non-luminous region D1
The colored film layer of blue.The blue film layer can play the role of absorbing red light component, that is, compensate for solar cell layer
To red light absorption deficiency, the reflection and interference of ambient light are reduced.Simultaneously for it is basic 1 using flexible base board display panel and
Speech, the overall thickness including solar cell layer 20 and colored film layer 31 can accomplish to be much smaller than common polarizing film less than 5 microns
65 microns of thickness.Therefore, after replacing polarizing film using the combination film layer (including solar cell layer 20 and colored film layer 31),
Improve the bending resistance of panel.
Fig. 3 shows the exemplary block diagram of the organic light emitting display panel according to another embodiment of the application.This reality
Applying the display panel in example further includes touch control layer 34, and colored film layer 31 is set between solar cell layer 20 and touch control layer 34.
And laminating layer 32 is for sticking touch control layer 34 and solar cell layer 20.OCA (Optically Clear can be used in laminating layer 31
Adhesive) optical cement.
Fig. 4 shows the exemplary block diagram of the organic light emitting display panel according to the another embodiment of the application.This reality
Applying the display panel in example further includes touch control layer, and touch control layer 34 is set between solar cell layer 20 and colored film layer 31.It is color
Joint adhesive can be used between color film layer 31 and teleblem 35 to be bonded, at this point, the light emitting region D2 in colored film layer can also be coated with
Joint adhesive.
The application also provides a kind of method for manufacturing organic light emitting display panel, which includes sequentially forming
Substrate, backboard, encapsulated layer, solar cell layer and teleblem, further include colored film layer, colored film layer is in the side perpendicular to substrate
Upwards, it is formed between solar cell layer and teleblem, non-luminous region is formed on being parallel to orientation substrate.
Above-mentioned manufacturing process is detailed below.
Initial wash is carried out to glass substrate, one layer of PI (polyimides) glue is coated and forms substrate 1.Such as in 300-400
At a temperature of DEG C, it is formed by curing the PI film of 10um or so.
It is prepared using LTPS (Low Temperature Poly-silicon, low temperature polycrystalline silicon) technology and completes backboard
TFT layer 12, and EL layer 13 is prepared on backboard by evaporation process, it then carries out thin-film package and forms encapsulated layer 14, encapsulated layer
14 can be used inorganic/organic lamination structure.
Using one layer of ito thin film of deposition as amorphous silicon thin-film solar cell first electrode layer 21 on encapsulated layer 14,
Thickness of electrode 80-100nm, subsequent use low temperature PECVD (Plasma Enhanced Chemical Vapor Deposition)
Three layers of PIN structural of process deposits form too PIN layer 22, including p-type a-Si, intrinsic a-Si, N-shaped a-Si, every thickness degree about 2-
PIN above 13 light emitting region of EL layer is thinned to 50-70nm or so by exposure etching technics by 3um.Then, it is further continued for depositing
The second electrode lay 23.
By CF coloured silk membrane process, the blue color film for completing thickness about 1-2um is coated in non-luminous region, passes through blue color film
Increase the absorption to red spectral band, the shortcomings that amorphous silicon membrane is to red spectral band incomplete absorption can be made up.
By OCA (Optical Clear Adhesive) glue laminating teleblem 35, and separation of glasses substrate, it so far integrates non-
The display panel of polycrystal silicon film solar battery, which manufactures, to be completed.
As shown in figure 3, being also formed with touch control layer, colored film layer is formed between solar cell layer and touch control layer.
Specifically, which after coating blue color film, increased logical in the manufacturing process of above-mentioned Fig. 2
The process of OCA glue laminating touch control layer 34 is crossed, uses OCA (Optical Clear Adhesive) glue laminating teleblem 35 later, and
Separation of glasses substrate, the touch-control display panel for so far integrating amorphous silicon thin-film solar cell, which manufactures, to be completed.
The application gives another fabrication scheme comprising touch control layer and colored film layer.As shown in figure 4, being also formed with touching
Layer is controlled, touch control layer is formed between solar cell layer and colored film layer.
Specifically, which formed after solar cell layer, increased in the manufacturing process of above-mentioned Fig. 2
Pass through the process of OCA glue laminating touch control layer 34.Blue color film is coated later, then uses OCA (Optical Clear
Adhesive) glue laminating teleblem 35, and separation of glasses substrate so far integrate the touch-control display surface of amorphous silicon thin-film solar cell
Plate manufacture is completed
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (10)
1. a kind of organic light emitting display panel, including substrate, backboard, encapsulated layer, solar cell layer and the teleblem set gradually,
It is characterized by further comprising:
Colored film layer, the colored film layer are set to the solar cell layer and top on the direction perpendicular to the substrate
Between film, on being parallel to the orientation substrate, it is set to non-luminous region.
2. organic light emitting display panel according to claim 1, which is characterized in that it further include touch control layer, the colour film
Layer is set between the solar cell layer and the touch control layer.
3. organic light emitting display panel according to claim 1, which is characterized in that it further include touch control layer, the touch control layer
It is set between the solar cell layer and the colored film layer.
4. organic light emitting display panel according to claim 1, which is characterized in that the solar cell layer is set gradually
There are first electrode sublayer, PIN battery sublayer and second electrode sublayer, includes a-Si in the PIN battery sublayer.
5. organic light emitting display panel according to claim 4, which is characterized in that the colored film layer is blue film layer.
6. a kind of method for manufacturing organic light emitting display panel, which includes the substrate, backboard, encapsulation sequentially formed
Layer, solar cell layer and teleblem, which is characterized in that further include colored film layer, the colored film layer is perpendicular to the substrate
Direction on, be formed between the solar cell layer and teleblem, be formed on being parallel to the orientation substrate non-luminescent
Region.
7. the method for manufacture organic light emitting display panel according to claim 6, which is characterized in that be also formed with touch-control
Layer, the colored film layer are formed between the solar cell layer and the touch control layer.
8. the method for manufacture organic light emitting display panel according to claim 6, which is characterized in that be also formed with touch-control
Layer, the touch control layer are formed between the solar cell layer and the colored film layer.
9. the method for manufacture organic light emitting display panel according to claim 6, which is characterized in that the solar battery
Layer is sequentially formed with first electrode sublayer, PIN battery sublayer and second electrode sublayer, includes a-Si in the PIN battery sublayer.
10. the method for manufacture organic light emitting display panel according to claim 9, which is characterized in that the colored film layer
For blue film layer.
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| CN201910216495.4A CN109904209B (en) | 2019-03-20 | 2019-03-20 | Organic light emitting display panel and manufacturing method thereof |
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| CN201910216495.4A CN109904209B (en) | 2019-03-20 | 2019-03-20 | Organic light emitting display panel and manufacturing method thereof |
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Cited By (1)
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| CN113707675A (en) * | 2021-08-09 | 2021-11-26 | 深圳市华星光电半导体显示技术有限公司 | Display panel and preparation method thereof |
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