CN104409473B - Piezoelectricity touch control organic light-emitting display panel and manufacturing method, organic light emitting display - Google Patents
Piezoelectricity touch control organic light-emitting display panel and manufacturing method, organic light emitting display Download PDFInfo
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- CN104409473B CN104409473B CN201410692162.6A CN201410692162A CN104409473B CN 104409473 B CN104409473 B CN 104409473B CN 201410692162 A CN201410692162 A CN 201410692162A CN 104409473 B CN104409473 B CN 104409473B
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- emitting display
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Abstract
The present invention relates to a kind of piezoelectricity touch control organic light-emitting display panel and its manufacturing methods and organic light emitting display, wherein piezoelectricity touch control organic light-emitting display panel includes：The first substrate and second substrate being oppositely arranged；It is set to TFT routing layer of the first substrate towards the second substrate side；It is set to the OLED luminescent layers of the TFT cablings layer surface；It is set to the pixel defining layer of the luminous layer surfaces of the OLED, the support component of the pixel definition layer surface is set to, is set to the piezoelectricity touch control component on the support component surface.In piezoelectricity touch control organic light-emitting display panel provided by the invention and its manufacturing method and organic light emitting display, by the way that piezoelectric type touch screen and oled panel are integrated, not only greatly reduce the weight and thickness of display itself, cost of manufacture is saved, and as a result of piezoelectric type touch control manner so that display can support the touch-control of arbitrary objects.
Description
Technical field
The present invention relates to technical field of flat panel display, more particularly to a kind of piezoelectricity touch control organic light-emitting display panel and its
Manufacturing method and organic light emitting display.
Background technology
Active matrix/organic light emitting display (full name in English Active Matrix Organic Lighting
Emitting Display, abbreviation AMOLED), it uses coating of organic material and is powered it to realize self-luminescence, unlike thin
Film transistor liquid crystal display (full name in English Thin Film Transistor liquid crystal display, referred to as
TFT-LCD) need back light system (backlight system) that can just light, therefore visibility and the equal higher of brightness, Er Qiegeng
It is frivolous.Therefore, organic light emitting display technology (OLED technology) has obtained the attention of height in technical field of flat panel display.
Touch technology also develops rapidly in recent years, and touch control e product can not only save space, be convenient for carrying, Er Qieyong
Family can directly be operated by finger or stylus etc., very convenient using comfortable.For example, the individual that existing market is common
Digital processing (PDA), touch-control class mobile phone, portable notebook computer etc., have all increased the input to touch technology.Touch-control skill
The combination of art and OLED technology is a kind of trend of the following flat panel display development.
In-cell touch panel can be divided into resistive touch screen, capacitive touch screen and piezoelectric type according to touch control manner and touch
Screen etc..Wherein, resistive touch screen wiring congestion, power consumption are big and light transmittance is low.Although capacitive touch screen possesses higher
Light transmittance and lower overall power, but capacitive touch screen can not support arbitrary objects touch-control, and contact object can only be the mankind
Skin or similar material.Compared to resistive touch screen and capacitive touch screen, the operation principle of piezoelectric type touch screen is based on pressure
Electrical effect, therefore there is no particular/special requirement for the material and shape that contact object, no matter use the object of any material or any shape
Body applies active force to screen, and screen can promptly respond.
Currently, organic light-emitting display device and touch screen (full name in English in touch-controllable organic luminescent display structure
Touch pannel, abbreviation TP) it is usually to be assembled again after making respectively.This can undoubtedly increase display weight and
Thickness, and with the advantage of organic light emitting display itself it is light, thin run counter to.
The advantages of how combining piezoelectric type touch screen and active matrix/organic light emitting display so that the organic hair of active matrix
Optical display unit can support the touch-control of arbitrary objects on the basis of keeping frivolous, be that those skilled in the art need the skill solved
Art problem.
Invention content
The purpose of the present invention is to provide a kind of piezoelectricity touch control organic light-emitting display panel and its manufacturing methods and organic
Active display, to solve the problems of the prior art.
To solve the above problems, the present invention provides a kind of piezoelectricity touch control organic light-emitting display panel, the piezoelectricity touch-control
Formula organic light emitting display panel includes：
The first substrate and second substrate being oppositely arranged；
It is set to TFT routing layer of the first substrate towards the second substrate side；
It is set to the OLED luminescent layers of the TFT cablings layer surface；And
It is set to the pixel defining layer of the luminous layer surfaces of the OLED, is set to the support member of the pixel definition layer surface
Part is set to the piezoelectricity touch control component on the support component surface.
Optionally, in the piezoelectricity touch control organic light-emitting display panel, the piezoelectricity touch control component includes lower electricity
Pole, top electrode and the piezoelectric material layer being set between the lower electrode and top electrode, the piezoelectric material layer are completely covered
The lower electrode.
Optionally, in the piezoelectricity touch control organic light-emitting display panel, the lower electrode and top electrode are in battle array
Column distribution, and be transparent electrode.
Optionally, in the piezoelectricity touch control organic light-emitting display panel, the array distribution figure of the lower electrode
It is identical as the array distribution figure of the top electrode.
Optionally, in the piezoelectricity touch control organic light-emitting display panel, the pixel defining layer and the support
The sum of thickness of element is between 3 μm to 5 μm.
Correspondingly, the present invention also provides a kind of piezoelectricity touch-controllable organic luminescent display, the piezoelectricity touch is organic
Active display includes piezoelectricity touch control organic light-emitting display panel as described above.
Correspondingly, the present invention also provides a kind of manufacturing method of piezoelectricity touch control organic light-emitting display panel, the pressure
The manufacturing method of electric touch control organic light-emitting display panel includes：
First substrate is provided；
TFT routing layers are formed on the surface of the first substrate；
OLED luminescent layers are formed on the surface of the TFT routing layers；
Pixel defining layer and support component are sequentially formed on the surface of the OLED luminescent layers；
Piezoelectricity touch control component is formed on the surface of the support component；
Place second substrate on the surface of the piezoelectricity touch control component, and by the second substrate and the first substrate
It is bonded to each other.
Optionally, in the manufacturing method of the piezoelectricity touch control organic light-emitting display panel, in the support component
Surface on the process of piezoelectricity touch control component include：
The first conductive layer is formed on the support component, and graphical first conductive layer is to form lower electrode；
Piezoelectric material layer is formed on the surface of the lower electrode, the lower electrode is completely covered in the piezoelectric material layer；
And
The second conductive layer is formed on the piezoelectric material layer, and graphical second conductive layer is to form top electrode.
Optionally, in the manufacturing method of the piezoelectricity touch control organic light-emitting display panel, which is characterized in that described
Lower electrode and top electrode share same mask plate.
Optionally, in the manufacturing method of the piezoelectricity touch control organic light-emitting display panel, first conductive layer
It is all made of transparent conductive material with the second conductive layer.
Optionally, in the manufacturing method of the piezoelectricity touch control organic light-emitting display panel, the piezoelectric material layer
The material used is lead lanthanum zirconate titanate crystalline ceramics or nano silver.
Optionally, in the manufacturing method of the piezoelectricity touch control organic light-emitting display panel, the pixel defining layer
The material used with the support component is organic gel.
In conclusion in piezoelectricity touch control organic light-emitting display panel provided by the invention and its manufacturing method and organic hair
In optical display unit, by the way that piezoelectric type touch screen and oled panel are integrated, the weight of display itself is not only greatly reduced
Amount and thickness, have saved cost of manufacture, and as a result of piezoelectric type touch control manner so that display can support arbitrary object
The touch-control of body.
Description of the drawings
Fig. 1 is the structural schematic diagram of the piezoelectricity touch control organic light-emitting display panel of the embodiment of the present invention；
Fig. 2 is the flow chart of the manufacturing method of the piezoelectricity touch control organic light-emitting display panel of the embodiment of the present invention.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments to the present invention propose a kind of piezoelectricity touch control organic light-emitting display panel and
Its manufacturing method and organic light emitting display are described in further detail.It is of the invention according to following explanation and claims
Advantages and features will become apparent from.It should be noted that attached drawing is all made of very simplified form and uses non-accurate ratio, only
To purpose that is convenient, lucidly aiding in illustrating the embodiment of the present invention.
Referring to FIG. 1, its structural schematic diagram for the piezoelectricity touch control organic light-emitting display panel of the embodiment of the present invention.Such as
Shown in Fig. 1, the piezoelectricity touch control organic light-emitting display panel 100 includes：The first substrate 11 and second substrate being oppositely arranged
12；It is set to TFT routing layer 13 of the first substrate 11 towards 12 side of the second substrate；It is set to the TFT cablings
The OLED luminescent layers 14 on 13 surface of layer；It is set to the pixel defining layer 15 on 14 surface of OLED luminescent layers, is set to the picture
The support component 16 on 15 surface of plain definition layer is set to the piezoelectricity touch control component 20 on 16 surface of the support component.
Specifically, the piezoelectricity touch control component 20 is including lower electrode 21, top electrode 22 and is set to the lower electrode 21
Piezoelectric material layer 23 between top electrode 22.The lower electrode 21 and top electrode 22 realize electricity by the piezoelectric material layer 23
Property connection, the piezoelectric material layer 23 be under pressure effect when thickness direction generate voltage, the voltage is to the lower electrode
21 and the charge signal of top electrode 22 have an impact.
Be provided between the piezoelectricity touch control component 20 and the OLED luminescent layers 14 patterned first organic glue-line and
Patterned second organic glue-line, wherein patterned first organic glue-line is close to the OLED luminescent layers 14, the figure
Second organic glue-line of shape is between patterned first organic glue-line and the piezoelectricity touch control component 20.
The OLED luminescent layers 14 include multiple organic electroluminescent LED (not shown)s.Described patterned
One organic glue-line is set to adjacent organic electroluminescence hair as pixel defining layer (Pixel Define Layer, abbreviation PDL) 15
Between optical diode, patterned second organic glue-line is used to support and first base as support component (SPC) 16
The second substrate 12 that plate 11 is oppositely arranged.The support component 16 is set to the pixel defining layer 15 towards the second substrate
12 sides.
The material of the pixel defining layer 15 is identical as the support component 16, is organic gel (Pillar).The picture
The sum of thickness of plain definition layer 15 and the support component 16 is preferential between 3 μm to 5 μm, the pixel defining layer 15 with
The sum of thickness of the support component 16 is 3.5 μm, 4 μm or 4,5 μm.
The TFT routing layers 13 include thin film transistor (TFT) array, provide the data line of data-signal and provide scanning signal
Grid line, the data line and grid line are connected with the thin film transistor (TFT) array (not shown) respectively.Due to described
OLED luminescent layers 14 are not only provided between TFT routing layers 13 and the piezoelectricity touch control component 20, and are additionally provided with overall thickness
The double-deck organic gel of about 4 μm of degree, therefore the number of the piezoelectricity touch control component 20 and the TFT routing layers 13 can be effectively prevented from
It is interfered with each other according to line and grid line.
In the present embodiment, the piezoelectricity touch control component 20 is set to the second substrate 12 and the support component 16
Between, and the piezoelectricity touch control component 20 and 14 mutually insulated of OLED luminescent layers, Er Qiezeng are made by the double-deck organic gel
The big piezoelectricity touch control component 20 is at a distance from the TFT routing layers 13, so as to avoid signal interference.
Piezoelectric type touch screen and oled panel are combined by the piezoelectricity touch control organic light-emitting display panel 100 to be integrated,
The weight and thickness for assembling after need not making touch screen and oled panel respectively, therefore greatly reducing display itself, and
And cost of manufacture is saved.
The present invention also provides a kind of piezoelectricity touch-controllable organic luminescent display, the piezoelectricity touch control organic light-emitting is shown
Device includes piezoelectricity touch control organic light-emitting display panel 100 as described above.
Correspondingly, the present embodiment additionally provides a kind of manufacturing method of piezoelectricity touch control organic light-emitting display panel.It please tie
It closes with reference to figure 1 and Fig. 2, the manufacturing method of the piezoelectricity touch control organic light-emitting display panel includes the following steps：
S10：First substrate 11 is provided；
S11：TFT routing layers 13 are formed on the surface of the first substrate 11；
S12：OLED luminescent layers 14 are formed on the surface of the TFT routing layers 13；
S13：Pixel defining layer 15 and support component 16 are sequentially formed on the surface of the OLED luminescent layers 14；
S14：Piezoelectricity touch control component 20 is formed on the surface of the support component 16；
S15：Second substrate 12 is placed on the surface of the piezoelectricity touch control component 20.
Specifically, first, providing first substrate 11, the first substrate 11 is transparent glass substrate.
Then, TFT routing layers 13 are formed on the surface of the first substrate 11, the TFT routing layers 13 include film
Transistor array and the data line and grid line being connected with the thin film transistor (TFT) array.
Then, OLED luminescent layers 14 are formed on the surface of the TFT routing layers 13, the OLED luminescent layers 14 include more
A organic electroluminescent LED (OLED).
Prior art completion may be used in the above process, and the present invention does not elaborate.
Hereafter, first organic glue-line is formed on the surface of the OLED luminescent layers 14, and graphical described first organic
Glue-line is to form pixel defining layer 15.
Later, second organic glue-line, and graphical second organic gel are formed in the upper surface of described pixel defining layer 15
Layer is to form support component 16.
It is formed after support component 16, forms the first conductive layer on the support component 16, and use mask pattern
Change first conductive layer to form lower electrode 21.The lower electrode 21 is in the array distribution of m1 × n1, wherein m1 is lower electrode
21 columns, n1 are the line number of lower electrode 21, m1 >=2, n1 >=2.
It is formed after lower electrode 21, forms piezoelectric material layer 23 on the surface of the lower electrode 21.The piezoelectric material
The lower electrode 21 is completely covered in layer 23, so that the piezoelectric material layer 23 can be to avoid the lower electrode 21 and follow-up shape
At top electrode 22 there is short circuit.The material of the piezoelectric material layer 23 may be used with high optical transmittance and excellent pressure
Lead lanthanum zirconate titanate (PLZT) crystalline ceramics or nano silver (Nano Silver) material of electrical effect.
It is formed after piezoelectric material layer 23, forms the second conductive layer on the piezoelectric material layer 23, and graphical described
Second conductive layer is to form top electrode 22.The top electrode 22 is in the array distribution of m2 × n2, wherein m2 is the row of top electrode 22
Number, n2 are the line number of top electrode 22, m2 >=2, n2 >=2.
In the present embodiment, first conductive layer and the second conductive layer are transparency conducting layer, such as the oxidation of indium tin metal
Object (Indium Tin Oxides, abbreviation ITO).The i.e. described lower electrode 21 and the top electrode 22 are transparent electrode.
In the present embodiment, the lower electrode 21 shares same mask plate with the top electrode 22.Due to graphical described the
The mask plate that the mask plate that one conductive layer uses is used with the second conductive layer described in eye diagram is same mask plate, therefore
The array distribution figure of the lower electrode 21 is identical as the array distribution figure of the top electrode 22.
The line width and density of the lower electrode 21 and top electrode 22 can be formulated according to the sensitivity level of touch.Sensitivity
It is required that higher, line width is smaller and density is bigger.Sensitivity requirement is lower, and line width is bigger and density is smaller.
So far, piezoelectricity touch control component 20, the piezoelectricity touch control component 20 are formd on the surface of the support component 16
Including lower electrode 21, top electrode 22 and the piezoelectric material layer 23 being set between the lower electrode 21 and top electrode 22.
Finally, on the surface of the piezoelectricity touch control component 20 place second substrate 12, the second substrate 12 with it is described
First substrate 11 is bonded to each other to form the piezoelectricity touch control organic light-emitting display panel 100.
So far, the piezoelectricity touch control organic light-emitting display panel 100 is formd.The piezoelectricity touch control organic light-emitting is aobvious
Show that panel 100 increases piezoelectricity touch control component 20 on the basis of traditional organic light emitting display panel (oled panel), it is described
Piezoelectricity touch control component 20 is set between the first substrate 11 and the second substrate 12 so that the piezoelectricity touch control component 20
First substrate 11 and second substrate 12 are shared with organic light emitting display.
When applying active force on the second substrate 12, the piezoelectric material layer 23 by generating voltage because of pressure,
And then influence the charge signal of the lower electrode 21 and top electrode 22.By detecting position that the charge signal generates and big
It is small, it can accurately perceive contact position and amount of force.
To sum up, piezoelectricity touch control organic light-emitting display panel provided by the invention and its manufacturing method and organic light emitting display
In devices, piezoelectric type touch screen and oled panel making are integrated, the weight and thickness of display itself are not only greatly reduced,
Cost of manufacture is saved, and as a result of piezoelectric type touch control manner so that display can support the touch-control of arbitrary objects.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (12)
1. a kind of piezoelectricity touch control organic light-emitting display panel, which is characterized in that including：
The first substrate and second substrate being oppositely arranged；
It is set to TFT routing layer of the first substrate towards the second substrate side；
It is set to the OLED luminescent layers of the TFT cablings layer surface；And
It is set to the pixel defining layer of the luminous layer surfaces of the OLED, is set to the support component of the pixel definition layer surface,
It is set to the piezoelectricity touch control component on the support component surface.
2. piezoelectricity touch control organic light-emitting display panel as described in claim 1, which is characterized in that the piezoelectricity touch control component
Including lower electrode, top electrode and the piezoelectric material layer being set between the lower electrode and top electrode, the piezoelectric material layer
The lower electrode is completely covered.
3. piezoelectricity touch control organic light-emitting display panel as claimed in claim 2, which is characterized in that the lower electrode and power on
It is in extremely array distribution, and is transparent electrode.
4. piezoelectricity touch control organic light-emitting display panel as claimed in claim 3, which is characterized in that the array of the lower electrode
Distribution pattern is identical as the array distribution figure of the top electrode.
5. piezoelectricity touch control organic light-emitting display panel as described in claim 1, which is characterized in that the pixel defining layer and
The sum of thickness of the support component is between 3 μm to 5 μm.
6. a kind of organic light emitting display, which is characterized in that include the organic light emission as described in any one of claim 1 to 5
Display panel.
7. a kind of manufacturing method of piezoelectricity touch control organic light-emitting display panel, which is characterized in that including：
First substrate is provided；
TFT routing layers are formed on the surface of the first substrate；
OLED luminescent layers are formed on the surface of the TFT routing layers；
Pixel defining layer and support component are sequentially formed on the surface of the OLED luminescent layers；
Piezoelectricity touch control component is formed on the surface of the support component；
Second substrate is placed on the surface of the piezoelectricity touch control component, and the second substrate and the first substrate is mutual
Fitting.
8. the manufacturing method of piezoelectricity touch control organic light-emitting display panel as claimed in claim 7, which is characterized in that described
The process of formation piezoelectricity touch control component includes on the surface of support component：
The first conductive layer is formed on the support component, and graphical first conductive layer is to form lower electrode；
Piezoelectric material layer is formed on the surface of the lower electrode, the lower electrode is completely covered in the piezoelectric material layer；And
The second conductive layer is formed on the piezoelectric material layer, and graphical second conductive layer is to form top electrode.
9. the manufacturing method of piezoelectricity touch control organic light-emitting display panel as claimed in claim 8, which is characterized in that under described
Electrode and top electrode share same mask plate.
10. the manufacturing method of piezoelectricity touch control organic light-emitting display panel as claimed in claim 8, which is characterized in that described
First conductive layer and the second conductive layer are all made of transparent conductive material.
11. the manufacturing method of piezoelectricity touch control organic light-emitting display panel as claimed in claim 8, which is characterized in that described
The material that piezoelectric material layer uses is lead lanthanum zirconate titanate crystalline ceramics or nano silver.
12. the manufacturing method of piezoelectricity touch control organic light-emitting display panel as claimed in claim 7, which is characterized in that described
The material that pixel defining layer and the support component use is organic gel.
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| CN201410692162.6A CN104409473B (en) | 2014-11-25 | 2014-11-25 | Piezoelectricity touch control organic light-emitting display panel and manufacturing method, organic light emitting display |
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| CN201410692162.6A CN104409473B (en) | 2014-11-25 | 2014-11-25 | Piezoelectricity touch control organic light-emitting display panel and manufacturing method, organic light emitting display |
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| CN104409473B true CN104409473B (en) | 2018-10-16 |
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| CN105808001B (en) * | 2016-03-10 | 2018-07-17 | 京东方科技集团股份有限公司 | A kind of pressure sensitivity touch screen and display device |
| CN106020543A (en) * | 2016-05-19 | 2016-10-12 | 京东方科技集团股份有限公司 | Display device and manufacturing method |
| CN106020553B (en) | 2016-06-03 | 2021-01-12 | 京东方科技集团股份有限公司 | Display panel, manufacturing method thereof and display device |
| CN106206604B (en) * | 2016-07-29 | 2019-01-18 | 京东方科技集团股份有限公司 | A kind of array substrate and preparation method thereof, display device |
| CN109425450B (en) * | 2017-08-23 | 2021-04-23 | 北京纳米能源与系统研究所 | Sensor and electronic, bionic skin and bionic communication equipment applying same |
| CN108319394B (en) * | 2018-02-06 | 2022-04-19 | 京东方科技集团股份有限公司 | Touch panel, driving method thereof and touch device |
| CN108493218B (en) * | 2018-03-30 | 2021-04-06 | 京东方科技集团股份有限公司 | Pressure-sensitive touch display panel, preparation method thereof and display device |
| CN109994451B (en) * | 2018-12-18 | 2020-12-08 | 武汉华星光电半导体显示技术有限公司 | Organic light emitting diode device and forming method thereof |
| CN110197844B (en) * | 2019-06-20 | 2021-01-12 | 京东方科技集团股份有限公司 | Display substrate, preparation method thereof, display panel and display device |
| CN110277429B (en) * | 2019-06-20 | 2021-11-16 | 武汉天马微电子有限公司 | Flexible display panel and flexible display device |
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Application publication date: 20150311 Assignee: Yungu (Gu'an) Technology Co., Ltd.|Bazhou Yungu Electronic Technology Co., Ltd.|Kunshan Institute of technology new flat panel display technology center Co., Ltd Assignor: Kunshan Guo Xian Photoelectric Co., Ltd. Contract record no.: X2019990000157 Denomination of invention: Piezoelectric touch organic light emitting display panel, manufacturing method and organic light emitting display Granted publication date: 20181016 License type: Common License Record date: 20191031 |
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Effective date of registration: 20191205 Address after: No. 2 Xiangshan Avenue, Yongning Street, Zengcheng District, Guangzhou, Guangdong province (the core of Zengcheng economic and Technological Development Zone) Patentee after: Guangzhou Guoxian Technology Co., Ltd Address before: 215300, No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou, 4 Patentee before: Kunshan Guo Xian Photoelectric Co., Ltd. |