CN110021650A - A kind of OLED display panel and preparation method thereof, OLED display - Google Patents
A kind of OLED display panel and preparation method thereof, OLED display Download PDFInfo
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- CN110021650A CN110021650A CN201910252666.9A CN201910252666A CN110021650A CN 110021650 A CN110021650 A CN 110021650A CN 201910252666 A CN201910252666 A CN 201910252666A CN 110021650 A CN110021650 A CN 110021650A
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- layer
- oled display
- display panel
- substrate
- viewing area
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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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/122—Pixel-defining structures or layers, e.g. banks
Abstract
The present invention relates to a kind of OLED display panels and preparation method thereof, OLED display, and wherein OLED display panel includes: substrate, driving display layer, cover board and optics balance layer.Optics balance layer is arranged far from the side of the driving display layer by the substrate in second viewing area in the present invention, carries out the balanced compensated effect of transmitance by optics balance layer, to mitigate the whole colour cast problem for penetrating light.
Description
Technical field
The present invention relates to field of display technology, and in particular to a kind of OLED display panel and preparation method thereof, OLED are shown
Device.
Background technique
Organic light-emitting display device (full name in English: Organic Light-Emitting Diode, abbreviation OLED) is also known as
For Organic Electricity laser display apparatus, organic luminous semiconductor.The basic structure of OLED is thin and transparent special with semiconductor by one
Property indium tin oxide (ITO) be connected with the anode of electric power, add another metallic cathode, be bundled into the structure such as sandwich.
Include in total layer: hole transmission layer (HTL), luminescent layer (EL) and electron transfer layer (ETL).It is suitable when supplying power to
When voltage, positive hole will be combined with cathode charge in luminescent layer, compound with certain probability under the action of Coulomb force
Formed be in excitation state exciton (electron-hole pair), and this excitation state be in common environment it is unstable, excitation state
Exciton is compound and transfers energy to luminescent material, makes it from ground state level transition excitation state, and excited energy passes through radiation
Relaxation process generates photon, releases luminous energy, generates light, is formulated different generation red, green and blue RGB three primary colours according to it, constitutes
Basic color.
The characteristic of OLED is that oneself shines first, unlike thin-film transistor LCD device (full name in English: Thin
Film transistor-liquid crystal display, abbreviation TFT-LCD) need backlight, therefore visibility and brightness
It is high.Secondly OLED have voltage requirements are low, power saving efficiency is high, reaction is fast, light-weight, thickness is thin, simple structure, it is at low cost,
Wide viewing angle, almost infinite high contrast, compared with low power consumption, high reaction speed the advantages that, have become current most important aobvious
Show one of technology, gradually substitute TFT-LCD, is expected to become the next-generation mainstream display technology after LCD.
With the progress in epoch, height shields accounting, " screen comprehensively " of limit ultra-narrow frame has become small size display screen
The hot spot in field." screen comprehensively " advantage is the maximumlly display area using screen, brings better vision to user
Experience.The wherein position of sound production problem of the front camera of mobile phone front upper part, ambient light sensor, earpiece and other sensor devices
It is the difficult point of " screen comprehensively " design.In existing OLED display, the camera of preposition camera shooting is put under screen, it is corresponding aobvious
Show that region has both display function, there is beneficial effect to screen accounting is promoted, however the flexible base board of OLED screen curtain is usually using yellow
Thus the PI substrate of color can have an adverse effect to the white balance of shooting photo.Therefore it needs to seek a kind of novel OLED aobvious
Show panel to solve the above problems.
Summary of the invention
It is an object of the present invention to provide a kind of OLED display panel and preparation method thereof, OLED display, energy
Enough solve the problems, such as that the PI substrate in current OLED display panel has an adverse effect to the white balance of shooting photo.
To solve the above-mentioned problems, an embodiment of the invention provides a kind of OLED display panel, and definition has
First viewing area and the second viewing area, including: substrate, driving display layer, cover board and optics balance layer.It is wherein described
Driving display layer is set on the substrate；The cover board is set on the driving display layer；The optics balance layer setting
In second viewing area substrate far from it is described driving display layer side.
Further, wherein the transmitance of visible light of the optics balance layer to wavelength greater than 450nm is less than 40%.
Further, wherein the transmitance of visible light of the optics balance layer to wavelength greater than 450nm is less than 30%.
Further, wherein the substrate includes polyimide layer, wherein the polyimide layer is greater than 450nm to wavelength
Visible light transmitance be greater than 40%.
Further, wherein the transmitance of visible light of the polyimide layer to wavelength greater than 450nm is greater than 50%.
Further, wherein the thickness of the optics balance layer is less than 200 μm.
Further, wherein the optics balance layer is by Na2SiO3, CaSiO3, SiO2 or Na2OCaO6SiO2
One or more compositions.
Further, wherein the optics balance layer is made of resin.
Another embodiment of the invention additionally provides a kind of system for preparing OLED display panel according to the present invention
Preparation Method, including:
OLED display panel to be prepared is defined the first viewing area and the second viewing area, provides a base by step S1
Plate prepares driving display layer on the substrate；
Step S2 prepares cover board on the driving display layer；And
Optics balance layer is arranged far from the side of the driving display layer in step S3, the substrate in second viewing area.
Another embodiment of the invention additionally provides a kind of OLED display, including: what the present invention designed
OLED display panel and camera, the camera are correspondingly arranged in the side of the optics balance layer far from the substrate.
The invention has the advantages that the present invention relates to a kind of OLED display panel and preparation method thereof, OLED display, this
Optics balance layer is arranged far from the side of the driving display layer by the substrate in second viewing area in invention, passes through optics
Balance layer carries out the balanced compensated effect of transmitance, to mitigate the whole colour cast problem for penetrating light.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the first structure diagram of OLED display panel of the present invention.
Fig. 2 is the second structural schematic diagram of OLED display panel of the present invention.
Fig. 3 is the Transmission curves figure of substrate.
Fig. 4 is the Transmission curves figure of optics balance layer.
Fig. 5 is the preparation step figure of OLED display panel of the present invention.
Fig. 6 is the structural schematic diagram of OLED display.
Component mark is as follows in figure:
100, OLED display panel
101, the first viewing area 102, the second viewing area
1, substrate 2, driving display layer
3, cover board 4, optics balance layer
5, camera
Specific embodiment
Below in conjunction with Figure of description, the preferred embodiments of the present invention are described in detail, with complete to those of skill in the art
It is whole to introduce technology contents of the invention, prove that the present invention can be implemented with citing, so that technology contents disclosed by the invention are more
It is clear, so that will more readily understand how implement the present invention by those skilled in the art.However the present invention can pass through many differences
The embodiment of form emerges from, and protection scope of the present invention is not limited only to the embodiment mentioned in text, Examples below
The range that is not intended to limit the invention of explanation.
The direction term that the present invention is previously mentioned, for example, "upper", "lower", "front", "rear", "left", "right", "inner", "outside", "
Side " etc. is only the direction in attached drawing, and direction term used herein is of the invention for explanation and illustration, rather than is used
To limit the scope of protection of the present invention.
In the accompanying drawings, the identical component of structure is indicated with same numbers label, everywhere the similar component of structure or function with
Like numeral label indicates.In addition, in order to facilitate understanding and description, the size and thickness of each component shown in the drawings are any
It shows, the present invention does not limit the size and thickness of each component.
When certain components, when being described as " " another component "upper", the component can be placed directly within described another group
On part；There may also be an intermediate module, the component is placed on the intermediate module, and the intermediate module is placed in another group
On part.When a component is described as " installation is extremely " or " being connected to " another component, the two can be understood as direct " installation "
Or " connection " or a component pass through an intermediate module " installation is extremely " or " being connected to " another component.
Embodiment 1
As shown in Figure 1, a kind of OLED display panel 100, definition has the first viewing area and the second viewing area.Wherein wrap
It includes:.
As shown in Fig. 2, including: substrate 1, driving 2 cover board 3 of display layer and optics balance layer 4.The wherein driving
Display layer 2 is set on the substrate 1；The cover board 3 is set on the driving display layer 2；The optics balance layer 4 is arranged
In second viewing area 102 substrate 1 far from it is described driving display layer 2 side.
As shown in figure 3, since the substrate 1 includes polyimide layer, wherein the polyimide layer is greater than wavelength
The visible light transmittance of 450nm is greater than 40%, and further, the polyimide layer is greater than the visible light of 450nm to wavelength
Transmitance be greater than 50%.Therefore colour cast is generated through light after driving the light of display layer 2 to pass through substrate 1.
As shown in figure 4, the optics balance layer 4 to wavelength greater than 450nm visible light transmitance less than 40%, more into
One step, the transmitance of visible light of the optics balance layer 4 to wavelength greater than 450nm can be less than 30%.Therefore this implementation
Example reduces the transmitance of visible light of the wavelength greater than 450nm by optics balance layer 4, and it is balanced compensated to carry out transmitance to substrate 1
Effect, to mitigate the whole colour cast problem for penetrating light.Wherein the thickness of the optics balance layer 4 is less than 200 μm.When the light
The thickness for learning balance layer 4 is greater than 200 μm and will affect its light transmission.Wherein the optics balance layer 4 can by Na2SiO3,
One of CaSiO3, SiO2 or Na2OCaO6SiO2 or a variety of compositions.Wherein the optics balance layer 4 can also be by setting
Rouge composition.Thus manufactured 100 cost of OLED display panel is relatively low.
Wherein the driving display layer 2 is set on the substrate 1, in the driving display layer 2 containing driving circuit and
Device luminescent layer, mainly plays circuit control and luminous function.
Wherein the cover board 3 is set on the driving display layer 2, and the cover board 3 mainly protects OLED display panel
100, avoid it from being damaged by water oxygen invasion or ambient pressure to it.
Embodiment 2
As shown in figure 5, present embodiments providing a kind of preparation side for preparing OLED display panel 100 according to the present invention
Method, including:
OLED display panel 100 to be prepared is defined the first viewing area 101 and the second viewing area 102 by step S1,
A substrate 1 is provided, the preparation driving display layer 2 on the substrate 1；
Step S2 prepares cover board 3 on the driving display layer 2；
Step S3, the substrate 1 in second viewing area 102 are flat far from the side setting optics of the driving display layer 2
Weigh layer 4.
Further, wherein in the step S3, the optics balance layer 4 is by way of chemical deposition or physical deposition
Substrate 1 in second viewing area 102 is formed far from the side plated film of the driving display layer 2.
Embodiment 3
As shown in fig. 6, the present invention also provides a kind of OLED display, including: the OLED that the present invention designs is aobvious
Show that panel 100 and camera 5, the camera 5 are correspondingly arranged in side of the optics balance layer 4 far from the substrate 1.
It is possible thereby to carry out the balanced compensated effect of transmitance by optics balance layer 4, to mitigate the whole colour cast problem for penetrating light, change
The white balance of kind 5 shooting picture of camera.
Detailed Jie has been carried out to OLED display panel provided by the present invention and preparation method thereof, OLED display above
It continues.It should be understood that illustrative embodiments as described herein should be to be considered only as descriptive, it is used to help understand side of the invention
Method and its core concept, and be not intended to restrict the invention.To the description of features or aspect in each illustrative embodiments
The similar features or aspects suitable for other exemplary embodiments should be usually considered.Although reference example embodiment describes
The present invention, but can suggest that those skilled in the art carries out various change and change.The invention is intended to cover appended right
These variations and change in the range of claim, it is any modification done within the spirit and principles of the present invention, equivalent
Replacement and improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of OLED display panel, definition has the first viewing area and the second viewing area characterized by comprising
Substrate；
Display layer is driven, the driving display layer is set on the substrate；
Cover board, the cover board are set on the driving display layer；And
Optics balance layer, the optics balance layer are set to the substrate of second viewing area far from the one of the driving display layer
Side.
2. OLED display panel according to claim 1, which is characterized in that the optics balance layer is greater than wavelength
The transmitance of the visible light of 450nm is less than 40%.
3. OLED display panel according to claim 2, which is characterized in that the optics balance layer is greater than wavelength
The transmitance of the visible light of 450nm is less than 30%.
4. OLED display panel according to claim 1, which is characterized in that the substrate includes polyimide layer, wherein
The transmitance of visible light of the polyimide layer to wavelength greater than 450nm is greater than 40%.
5. OLED display panel according to claim 4, which is characterized in that the polyimide layer is greater than wavelength
The transmitance of the visible light of 450nm is greater than 50%.
6. OLED display panel according to claim 1, which is characterized in that the thickness of the optics balance layer is less than 200 μ
m。
7. OLED display panel according to claim 1, which is characterized in that the optics balance layer by Na2SiO3,
One of CaSiO3, SiO2 or Na2OCaO6SiO2 or a variety of compositions.
8. OLED display panel according to claim 1, which is characterized in that the optics balance layer is made of resin.
9. a kind of preparation method for preparing OLED display panel described in claim 1 characterized by comprising
OLED display panel to be prepared is defined the first viewing area and the second viewing area, provides a substrate by step S1,
Preparation driving display layer on the substrate；
Step S2 prepares cover board on the driving display layer；And
Optics balance layer is arranged far from the side of the driving display layer in step S3, the substrate in second viewing area.
10. a kind of OLED display characterized by comprising
OLED display panel, the OLED display panel are OLED display panel described in claim 1；
Camera, the camera are correspondingly arranged in the side of the optics balance layer far from the substrate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910252666.9A CN110021650B (en) | 2019-03-29 | 2019-03-29 | OLED display panel, preparation method thereof and OLED display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910252666.9A CN110021650B (en) | 2019-03-29 | 2019-03-29 | OLED display panel, preparation method thereof and OLED display device |
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| CN110021650A true CN110021650A (en) | 2019-07-16 |
| CN110021650B CN110021650B (en) | 2021-02-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114428414A (en) * | 2020-10-29 | 2022-05-03 | 北京小米移动软件有限公司 | Screen assembly, camera system and electronic equipment |
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| CN110021650B (en) | 2021-02-26 |
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