CN109817670A - Organic light emitting display pixel unit and organic light emitting display panel structure - Google Patents
Organic light emitting display pixel unit and organic light emitting display panel structure Download PDFInfo
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- CN109817670A CN109817670A CN201910070973.5A CN201910070973A CN109817670A CN 109817670 A CN109817670 A CN 109817670A CN 201910070973 A CN201910070973 A CN 201910070973A CN 109817670 A CN109817670 A CN 109817670A
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- 238000000059 patterning Methods 0.000 claims abstract description 133
- 238000009413 insulation Methods 0.000 claims description 24
- 239000000758 substrate Substances 0.000 claims description 17
- 238000002161 passivation Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 description 9
- 239000010408 film Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 229910052733 gallium Inorganic materials 0.000 description 4
- 229910052738 indium Inorganic materials 0.000 description 4
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 229920001621 AMOLED Polymers 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000007641 inkjet printing Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
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- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
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Abstract
This announcement provides a kind of organic light emitting display pixel unit and a kind of organic light emitting display panel structure.The organic light emitting display pixel unit includes the patterning first anode layer being set on one first insulating layer, the patterning second plate layer being set on the patterning first anode layer, the patterning organic luminous layer being set on the patterning second plate layer, and the first cathode layer of patterning being set on the patterning organic luminous layer.The surface of the patterning second plate level to the patterning organic luminous layer is to planarize surface.
Description
[technical field]
This announcement is related to field of display technology, in particular to a kind of organic light emitting display pixel unit and a kind of organic light emission
Display panel structure.
[background technique]
Active matrix organic light-emitting diode (Active matrix organic light emitting diode,
AMOLED) screen is that the luminous photoelectric display device of organic light-emitting diode pixel is controlled using driving thin film transistor (TFT).Screen
The grayscale of curtain is controlled by driving the grid voltage of thin film transistor (TFT).
OLED device is formed using ink jet printing method (inject-printing), the utilization rate of material can be increased substantially.
But for ink jet printing method formed top emitting device, it is very high to the flatness requirement of its bottom structure (TFT substrate) (<
10nm), if luminous zone flatness is bad, the film thickness of each layer of OLED device will be different, influence the luminescent properties of OLED device.And
The flatness of existing TFT substrate is limited by making technology, is unable to reach the requirement.
Therefore it is in need a kind of organic light emitting display array structure and a kind of organic light emitting display panel structure are provided, with solution
Problem certainly of the existing technology.
[summary of the invention]
In order to solve the above technical problems, the one of this announcement is designed to provide a kind of organic light emitting display pixel unit and one
Kind organic light emitting display panel structure, can provide uniform OLED device film thickness, improve the luminescent properties of OLED device.
To reach above-mentioned purpose, this announcement provides a kind of organic light emitting display pixel unit, including substrate, is set to described
Patterned gate on substrate, the first gate insulation layer being covered in the patterned gate, is set to described first
Patterning channel layer in gate insulation layer covers the second gate insulation layer of the patterning channel layer, is set to described the
Patterning source/drain layer in two gate insulation layers covers the passivation layer of the patterning source/drain layer, is set to described blunt
Change the first insulating layer on layer, the patterning first anode layer being set on first insulating layer is set to the patterning
Patterning second plate layer on first anode layer, the patterning organic light emission being set on the patterning second plate layer
Layer, and the first cathode layer of patterning being set on the patterning organic luminous layer.Wherein, the patterning second plate
The surface of level to the patterning organic luminous layer is to planarize surface.
In the pixel unit as described in the examples of this announcement therein one, patterning third anode layer is further included, is set to
Between the patterning second plate layer and the patterning organic luminous layer.
The patterning organic luminous layer described in this announcement embodiment therein has uniform thickness.
In the pixel unit as described in the examples of this announcement therein one, further includes second insulating layer and be set to described first
On insulating layer.
The thickness that second plate layer is patterned described in an embodiment therein is disclosed more than or equal to 1 μm in this.
This announcement also provides a kind of organic light emitting display panel structure, including array structure, gate drive circuit and source
Pole driving circuit.The array structure includes multiple pixel units.Each pixel unit includes being set to described including substrate
Patterned gate on substrate, the first gate insulation layer being covered in the patterned gate, is set to described first
Patterning channel layer in gate insulation layer covers the second gate insulation layer of the patterning channel layer, is set to described the
Patterning source/drain layer in two gate insulation layers covers the passivation layer of the patterning source/drain layer, is set to described blunt
Change the first insulating layer on layer, the patterning first anode layer being set on first insulating layer is set to the patterning
Patterning second plate layer on first anode layer, the patterning organic light emission being set on the patterning second plate layer
Layer, and the first cathode layer of patterning being set on the patterning organic luminous layer.Wherein, the patterning second plate
The surface of level to the patterning organic luminous layer is to planarize surface.
In the panel construction as described in the examples of this announcement therein one, patterning third anode layer is further included, is set to
Between the patterning second plate layer and the patterning organic luminous layer.
The patterning organic luminous layer described in this announcement embodiment therein has uniform thickness.
In the panel construction as described in the examples of this announcement therein one, further includes second insulating layer and be set to described first
On insulating layer.
The thickness that second plate layer is patterned described in an embodiment therein is disclosed more than or equal to 1 μm in this.
It is described due in the organic light emitting display pixel unit and organic light emitting display panel structure of this revealed embodiment
The surface for patterning second plate level to the patterning organic luminous layer is to planarize surface.Therefore, described to be patterned with
Machine luminescent layer has uniform thickness, improves the luminescent properties of OLED device.
For the above content of this announcement can be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate institute's accompanying drawings, makees
Detailed description are as follows:
[Detailed description of the invention]
Fig. 1 shows the part section structural representation of the organic light emitting display pixel unit of the embodiment according to this announcement
Figure；
Fig. 2 shows the structural schematic diagram of the organic light emitting display panel of the embodiment according to this announcement；And
Fig. 3 shows the part section structural representation of the organic light emitting display pixel unit of another embodiment according to this announcement
Figure.
[specific embodiment]
In order to which the above-mentioned and other purposes of this announcement, feature, advantage can be clearer and more comprehensible, it is excellent that spy is hereafter lifted into this announcement
Embodiment is selected, and cooperates institute's accompanying drawings, is described in detail below.Furthermore the direction term that this announcement is previously mentioned, such as above and below,
Top, bottom, front, rear, left and right, inside and outside, side layer, around, center, it is horizontal, laterally, vertically, longitudinally, axial direction, radial direction, top layer or
Lowest level etc. is only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand this announcement, and
It is non-to limit this announcement.
The similar unit of structure is to be given the same reference numerals in the figure.
Referring to Fig.1, this announcement provides a kind of organic light emitting display pixel unit 10, including substrate GS, is set to the lining
Patterned gate GE on the GS of bottom, the first gate insulation layer GI1 being covered on the patterned gate GE, is set to institute
The patterning channel layer Ch on the first gate insulation layer GI1 is stated, the second gate insulation layer of the patterning channel layer Ch is covered
GI2, the patterning source/drain layer SD being set on the second gate insulation layer GI2, covers the patterning source/drain layer
The passivation layer PV of SD, the first insulating layer PL1 being set on the passivation layer PV are set on the first insulating layer PL1
First anode layer A1 is patterned, the patterning second plate layer A2 being set on the patterning first anode layer A1 is set to
Patterning organic luminous layer EL on the patterning second plate layer A2, and it is set to the patterning organic luminous layer EL
On the first cathode layer of patterning C1.Wherein, the patterning second plate layer A2 is towards the patterning organic luminous layer EL
Surface be planarization surface.
Specifically, the material of the patterning second plate layer A2 is, for example, macromolecule conducting material, conductive silver glue, conduction
Silica gel etc., the forming mode of the patterning second plate layer A2 are liquid method film forming.
Specifically, the material of the substrate GS can be glass or flexible material.It also may include delaying above the substrate GS
Rush layer.
Specifically, the material of the patterning channel layer Ch is, for example, polysilicon or indium gallium zinc (Indium
Gallium Zinc Oxide,IGZO)。
Patterning third sun is further included in the pixel unit 10 ' as described in the examples of this announcement therein one referring to Fig. 3
Pole layer A3, is set between the patterning second plate layer A2 and the patterning organic luminous layer EL.
Specifically, the patterning third anode layer A3's includes metal, forming mode is sedimentation.The patterning the
Three anode layer A3 can adjust the work function of anode surface, and film thickness is greater than or equal to 10nm.
The patterning organic luminous layer EL described in this announcement embodiment therein has uniform thickness.
In the pixel unit 10,10 ' as described in the examples of this announcement therein one, second insulating layer PL2 setting is further included
In on the first insulating layer PL1.
Specifically, the second insulating layer PL2 has an opening, the patterning first anode layer A1, described the is patterned
Two anode layer A2 and the patterning organic luminous layer EL are all set in the opening.The first cathode layer of the patterning
The C1 covering opening and the patterning organic luminous layer EL.
The thickness that second plate layer A2 is patterned described in an embodiment therein is disclosed more than or equal to 1 μm in this.
Referring to Fig.1 and 2, this announcement also provides a kind of organic light emitting display panel structure 1000, including array structure 100,
Gate drive circuit 300 and source electrode drive circuit 200.The array structure 100 includes multiple pixel units 10.Each picture
Plain unit 10 includes being covered in the patterning lock including substrate GS, the patterned gate GE being set on the substrate GS
The first gate insulation layer GI1 on the layer GE of pole, the patterning channel layer Ch being set on the first gate insulation layer GI1 cover
Cover the second gate insulation layer GI2 of the patterning channel layer Ch, the patterning being set on the second gate insulation layer GI2
Source/drain layer SD covers the patterning source/drain layer SD passivation layer PV, and first be set on the passivation layer PV is exhausted
Edge layer PL1, the patterning first anode layer A1 being set on the first insulating layer PL1 are set to first sun of patterning
Patterning second plate layer A2 on the layer A1 of pole, the patterning organic luminous layer being set on the patterning second plate layer A2
EL, and the first cathode layer of the patterning C1 being set on the patterning organic luminous layer EL.Wherein, the patterning second
Surface of the anode layer A2 towards the patterning organic luminous layer EL is planarization surface.
Specifically, the array structure 100 further includes a plurality of gate line 20 and multiple data lines 30.
Specifically, the material of the patterning second plate layer A2 is, for example, macromolecule conducting material, conductive silver glue, conduction
Silica gel etc., the forming mode of the patterning second plate layer A2 are liquid method film forming.
Specifically, the material of the substrate GS can be glass or flexible material.It also may include delaying above the substrate GS
Rush layer.
Specifically, the material of the patterning channel layer Ch is, for example, polysilicon or indium gallium zinc (Indium
Gallium Zinc Oxide,IGZO)。
Patterning third anode layer is further included in the panel construction as described in the examples of this announcement therein one referring to Fig. 3
A3 is set between the patterning second plate layer A2 and the patterning organic luminous layer EL.
Specifically, the patterning third anode layer A3's includes metal, forming mode is sedimentation.The patterning the
Three anode layer A3 can adjust the work function of anode surface, and film thickness is greater than or equal to 10nm.
The patterning organic luminous layer EL described in this announcement embodiment therein has uniform thickness.
In the panel construction as described in the examples of this announcement therein one, further include second insulating layer PL2 be set to it is described
On first insulating layer PL1.
Specifically, the second insulating layer PL2 has an opening, the patterning first anode layer A1, described the is patterned
Two anode layer A2 and the patterning organic luminous layer EL are all set in the opening.The first cathode layer of the patterning
The C1 covering opening and the patterning organic luminous layer EL.
The thickness that second plate layer A2 is patterned described in an embodiment therein is disclosed more than or equal to 1 μm in this.
It is described due in the organic light emitting display pixel unit and organic light emitting display panel structure of this revealed embodiment
The surface for patterning second plate level to the patterning organic luminous layer is to planarize surface.Therefore, described to be patterned with
Machine luminescent layer has uniform thickness, improves the luminescent properties of OLED device.
Although this announcement, those skilled in the art have shown and described relative to one or more implementations
It will be appreciated that equivalent variations and modification based on the reading and understanding to the specification and drawings.This announcement includes all such repairs
Change and modification, and is limited only by the scope of the following claims.In particular, to various functions executed by the above components, use
It is intended to correspond in the term for describing such component and executes the specified function of the component (such as it is functionally of equal value
) random component (unless otherwise instructed), even if in structure with execute the exemplary of this specification shown in this article and realize
The open structure of function in mode is not equivalent.In addition, although the special characteristic of this specification is relative to several realization sides
Only one in formula is disclosed, but this feature can with such as can be for a given or particular application expectation and it is advantageous
One or more other features combinations of other implementations.Moreover, with regard to term " includes ", " having ", " containing " or its deformation
For being used in specific embodiments or claims, such term is intended to wrap in a manner similar to the term " comprising "
It includes.
The above is only the preferred embodiments of this announcement, it is noted that for those of ordinary skill in the art, is not departing from
Under the premise of this announcement principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as the guarantor of this announcement
Protect range.
Claims (10)
1. a kind of organic light emitting display pixel unit characterized by comprising substrate；The patterning being set on the substrate
Gate layer；The first gate insulation layer being covered in the patterned gate；It is set in first gate insulation layer
Pattern channel layer；Cover the second gate insulation layer of the patterning channel layer；It is set in second gate insulation layer
Patterning source/drain layer；Cover the passivation layer of the patterning source/drain layer；First be set on the passivation layer is exhausted
Edge layer；The patterning first anode layer being set on first insulating layer；It is set on the patterning first anode layer
Pattern second plate layer；The patterning organic luminous layer being set on the patterning second plate layer；And it is set to institute
State the first cathode layer of patterning on patterning organic luminous layer；Wherein, the patterning second plate level is to the pattern
The surface for changing organic luminous layer is planarization surface.
2. organic light emitting display pixel unit as described in claim 1, which is characterized in that further include patterning third anode
Layer, is set between the patterning second plate layer and the patterning organic luminous layer.
3. organic light emitting display pixel unit as described in claim 1, which is characterized in that the patterning organic luminous layer tool
There is uniform thickness.
4. organic light emitting display pixel unit as described in claim 1, which is characterized in that further include second insulating layer and be set to
On first insulating layer.
5. organic light emitting display pixel unit as described in claim 1, which is characterized in that the patterning second plate layer
Thickness is greater than or equal to 1 μm.
6. a kind of organic light emitting display panel structure characterized by comprising array structure, gate drive circuit and source electrode
Driving circuit, wherein the array structure includes multiple pixel units, and each pixel unit includes: substrate；It is set to described
Patterned gate on substrate；The first gate insulation layer being covered in the patterned gate；It is set to described first
Patterning channel layer in gate insulation layer；Cover the second gate insulation layer of the patterning channel layer；It is set to described
Patterning source/drain layer in two gate insulation layers；Cover the passivation layer of the patterning source/drain layer；It is set to described blunt
Change the first insulating layer on layer；The patterning first anode layer being set on first insulating layer；It is set to the patterning
Patterning second plate layer on first anode layer；The patterning organic light emission being set on the patterning second plate layer
Layer；And it is set to the first cathode layer of patterning on the patterning organic luminous layer；Wherein, the patterning second plate
The surface of level to the patterning organic luminous layer is to planarize surface.
7. organic light emitting display panel structure as claimed in claim 6, which is characterized in that further include patterning third anode
Layer, is set between the patterning second plate layer and the patterning organic luminous layer.
8. organic light emitting display panel structure as claimed in claim 6, which is characterized in that the patterning organic luminous layer tool
There is uniform thickness.
9. organic light emitting display panel structure as claimed in claim 6, which is characterized in that further include second insulating layer and be set to
On first insulating layer.
10. organic light emitting display panel structure as claimed in claim 6, which is characterized in that the patterning second plate layer
Thickness be greater than or equal to 1 μm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070973.5A CN109817670A (en) | 2019-01-25 | 2019-01-25 | Organic light emitting display pixel unit and organic light emitting display panel structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070973.5A CN109817670A (en) | 2019-01-25 | 2019-01-25 | Organic light emitting display pixel unit and organic light emitting display panel structure |
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| Publication Number | Publication Date |
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| CN109817670A true CN109817670A (en) | 2019-05-28 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1468038A (en) * | 2002-06-22 | 2004-01-14 | ����Sdi��ʽ���� | Organic Electroluminescent Devices Using Multilayer Anodes |
| CN108133952A (en) * | 2016-12-01 | 2018-06-08 | 三星显示有限公司 | Organic Light Emitting Diode Display Device |
| CN108365132A (en) * | 2018-02-07 | 2018-08-03 | 深圳市华星光电半导体显示技术有限公司 | A kind of top-illuminating OLED substrate and preparation method thereof, OLED display panel |
| CN108695370A (en) * | 2018-05-21 | 2018-10-23 | 京东方科技集团股份有限公司 | Oled substrate and production method, display device |
-
2019
- 2019-01-25 CN CN201910070973.5A patent/CN109817670A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1468038A (en) * | 2002-06-22 | 2004-01-14 | ����Sdi��ʽ���� | Organic Electroluminescent Devices Using Multilayer Anodes |
| CN108133952A (en) * | 2016-12-01 | 2018-06-08 | 三星显示有限公司 | Organic Light Emitting Diode Display Device |
| CN108365132A (en) * | 2018-02-07 | 2018-08-03 | 深圳市华星光电半导体显示技术有限公司 | A kind of top-illuminating OLED substrate and preparation method thereof, OLED display panel |
| CN108695370A (en) * | 2018-05-21 | 2018-10-23 | 京东方科技集团股份有限公司 | Oled substrate and production method, display device |
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