CN104465695B - AMOLED display screen and its display with touch function - Google Patents
AMOLED display screen and its display with touch function Download PDFInfo
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Abstract
The present invention discloses a kind of active matrix organic light-emitting diode (AMOLED) display screen with touch function, including substrate (100) and viewing area (110), further includes the thin film encapsulation layers with touch function layer；The touch function layer is mainly made of inorganic thin film sealant (120), organic film sealant (150) and transparency conducting layer (130).Using the present invention, the AMOLED display screen and touch screen can be integrated on the same substrate, more frivolous displayer can be produced by reducing substrate thickness, also, the brightness of AMOLED display screen can also be promoted.
Description
Technical field
The present invention relates to active matrix organic light-emitting diode (Active Matrix Organic Light
Emitting Display, AMOLED) display technology more particularly to a kind of two pole of active matrix organic light-emitting with touch function
Manage (AMOLED) display screen and its display.
Background technique
Displayer with touch function is mainly composed of touch panel and organic light emitting display panel, together
When, it also include the cover sheet (Cover Lens) of terminal device.Wherein, organic luminous panel is generally by thin film transistor (TFT) battle array
Column substrate is with package substrate by sealing；Organic light-emitting units are made on thin-film transistor array base-plate.
The combination of existing AMOLED display screen mainly has following three kinds: first is that by the way that touch-control is arranged on package substrate
Element circuit forms the AMOLED display screen (On-cell Touch) with touch function；Second is that in thin-film transistor array base-plate
Touch control unit circuit is configured between package substrate, forms the AMOLED display screen (In-cell Touch) with touch function；Three
It is the setting touch control unit circuit under cover sheet, forms the AMOLED display screen (Touch On Lens) with touch function.
Under normal conditions, the AMOLED display screen with touch function is made of the substrate superposition of respective different function.Due to
Superposition will affect the design with limiting terminal product there are certain thickness.Such as, in order to reduce the thickness of mobile terminal device,
It needs the substrate of above-mentioned different function through integration to reduce number of substrates, to achieve the purpose that reduce thickness, but in thickness
Degree must also consider that the AMOLED display screen with touch function will keep enough intensity while reduction, to guarantee with the display screen
End product being capable of normal use.
Summary of the invention
In view of this, the main purpose of the present invention is to provide a kind of two pole of active matrix organic light-emitting with touch function
(AMOLED) display screen and its display are managed, by increasing touch function layer in the film, is realized AMOLED display screen and touching
The integration of control screen on the same substrate, to reduce the thickness of substrate, convenient for manufacturing more frivolous displayer, and is promoted
The brightness of AMOLED display screen.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of AMOLED display screen with touch function, including substrate 100 and viewing area 110 further include with touch-control function
The thin film encapsulation layers of ergosphere；The touch function layer mainly by inorganic thin film sealant 120, organic film sealant 150 and thoroughly
Bright conductive layer 130 is constituted.
Wherein: the inorganic thin film sealant 120 and organic film sealant 150 are protected for completely cutting off aqueous vapor, oxygen
OLED device is also used to that transparency conducting layer is isolated.
The transparency conducting layer 130 protects OLED device, is also used as the touch function layer for completely cutting off aqueous vapor, oxygen
Driving layer and inductive layer.
The organic film sealant 150 is single layer.
Preferably, the structure of touch function layer is, specifically: first from covering substrate 100 and viewing area 110 is inorganic thin
Film sealant 120a rises, and it is close to be successively covered with the first transparency conducting layer 130a, organic film sealant 150, the second inorganic thin film
Sealing 120b and the second transparency conducting layer 130b.
Preferably, the structure of touch function layer is, specifically: the third from covering substrate 100 and viewing area 110 is inorganic thin
Film sealant 120c rises, and is successively covered with transparency conducting layer 130, organic film sealant 150, the second inorganic thin film sealant
120b and the first inorganic thin film sealant 120a.
Preferably, the structure of touch function layer is, specifically: the third from covering substrate 100 and viewing area 110 is inorganic thin
Film sealant 120c rises, and it is inorganic thin to be successively covered with the second inorganic thin film sealant 120b, organic film sealant 150, first
Film sealant 120a and transparency conducting layer 130.
The inorganic thin film sealant 120 is made of nitride, oxide or nitride/oxide.
The organic film sealant 150 is by acrylic resin, methacrylic resin, polyester, poly- terephthaldehyde
Sour glycol ester, polyethylene or polypropylene are made.
The transparency conducting layer 130 is made of ITO, IZO or AZO.
A kind of displayer with touch function includes AMOLED display screen described in claim 1.
AMOLED display screen and its display provided by the present invention with touch function, has the advantage that
The present invention is incorporated by adding touch function layer in thin film encapsulation layers, and by AMOLED display screen and touch screen
On same substrate, the drawbacks of various substrates for realizing different function are overlapped manufacture display in the past is avoided, thus is had
Effect reduces the thickness of substrate, consequently facilitating producing more frivolous displayer.Also, due to the drop of substrate thickness
It is low, while the light path of AMOLED light transmission is also reduced, the brightness of AMOLED display screen is improved accordingly.
Detailed description of the invention
Fig. 1 is the AMOLED display screen structure schematic diagram of the invention with touch function；
Fig. 2 is an embodiment of the AMOLED display screen with touch function shown in Fig. 1；
Fig. 3 is another embodiment of the AMOLED display screen with touch function shown in Fig. 1；
Fig. 4 is the another embodiment of the AMOLED display screen with touch function shown in Fig. 1.
Specific embodiment
With reference to the accompanying drawing and the embodiment of the present invention to the present invention with the AMOLED display screen of touch function and its display
Device is described in further detail.
Fig. 1 is the AMOLED display screen structure schematic diagram of the invention with touch function.As shown in Figure 1, the display screen is main
Including substrate 100, viewing area 110 and thin film encapsulation layers 120'.Settable touch function layer in the thin film encapsulation layers 120, can
Thin film transistor (TFT) (Thin-film Transistor, TFT), Organic Light Emitting Diode (Organic are realized on a plate base
Light-Emitting Diode, OLED) and touch function.
Wherein, viewing area 110 is formed on substrate 100, includes thin film transistor (TFT) (TFT) circuit in the viewing area 110
And organic luminescent device, organic luminescent device are set on TFT.Touch function layer is encapsulated among thin film encapsulation layers 120'.
The touch function layer is transparent conductive electrode, carries out THIN COMPOSITE by multilayer dielectricities such as transparency conducting layer/inorganic layer/organic layers
Film development, multiple protective OLED device, to protect and extend the service life of product.
Fig. 2 is an embodiment of the AMOLED display screen with touch function shown in Fig. 1.Display screen as shown in Figure 2 is main
Including substrate 100, viewing area 110 and inorganic thin film sealant 120.Wherein, the inorganic thin film sealant 120(can abbreviation " nothing
Machine layer 120 "), including the first inorganic thin film sealant 120a and the second inorganic thin film sealant 120b.Inorganic thin film layer sealant
120, organic film sealant 150 and transparency conducting layer 130 collectively constitute touch function layer.The transparency conducting layer 130, is divided into
First transparency conducting layer 130a and the second transparency conducting layer 130b.The second transparency conducting layer 130b is inorganic thin described second
On film sealant 120b.
It successively include: first outward by substrate 100 and viewing area 110 in this way, in thin film encapsulation layers 120 shown in FIG. 1
Inorganic thin film sealant 120a, the first transparency conducting layer 130a, organic film sealant 150, the second inorganic thin film sealant
120b and the second transparency conducting layer 130b.
150 He of organic film sealant is equipped between the first transparency conducting layer 130a and the second transparency conducting layer 130b
Second inorganic thin film sealant 120b, while transparency conducting layer 130 is separated as dielectric layer, it both can preferably obstruct outside water
Gas, oxygen enter, and can serve as dielectric layer to separate transparency conducting layer 130, reduce the interference between touch screen and display screen.
As shown in Fig. 2, the inorganic thin film sealant 120(include the first inorganic thin film sealant 120a, it is second inorganic thin
Film sealant 120b) it is formed by inorganic material, to prevent or prevent gas, moisture from from penetrating into from the external world.More specifically, inorganic layer
Can be formed by nitride and/or oxide, including calcium oxide, aluminium oxide, silica, titanium oxide, indium oxide, silica, silicon nitride,
And/or aluminium nitride.
The transparency conducting layer 130(includes the first transparency conducting layer 130a, the second transparency conducting layer 130b), it specifically can be by
ITO, IZO, AZO etc. are constituted, and to completely cut off aqueous vapor, oxygen enters, and protect OLED device, and serve as the driving layer of touch function layer
It is acted on inductive layer.
The organic film sealant 150, is formed by organic material, comes from the first inorganic thin film sealant 120a with release
Interior lateral stress, fill up any possible defect such as the crack being formed in surface, pin hole, and keep inorganic layer 120 integrally flat
It is sliding.Organic film sealant 150 may include acrylic resin (acrylic), methacrylic resin (meta
Acrylic), polyester, polyethylene terephthalate (PET), polyethylene and/or polypropylene.
The AMOLED display screen with touch function by two layers of structure of transparent conductive layer, this structural support single-point touch,
Multi-point touch and gesture function.
Fig. 3 is another embodiment of the AMOLED display screen with touch function shown in Fig. 1.Touch-control is had shown in corresponding diagram 1
The AMOLED display screen of function can realize TFT, OLED by increasing touch function layer in thin-film package on a plate base
And touch function.
It is formed on its substrate 100: viewing area 110, including thin film transistor (TFT) (TFT) circuit and organic illuminator
Part, organic luminescent device are set on TFT.Touch function layer is produced among inorganic layer 120, and wherein touch function layer is
Bright conductive electrode carries out laminated film encapsulation, multiple protective by three layers of medium such as transparency conducting layer/inorganic layer/organic layer
OLED device extends life of product.
As shown in figure 3, viewing area 110 is offered on substrate 100, display shown in third inorganic thin film sealant 120c covering
Substrate regions around area 110 and viewing area 110.The third inorganic thin film sealant 120c is equipped with transparency conducting layer 130.
The transparency conducting layer 130 is successively arranged organic layer 150, the second inorganic thin film sealant 120b and the first inorganic thin film thereon
Sealant 120a.The transparency conducting layer 130 has the first transparency conducting layer 130a and the second transparency conducting layer shown in Fig. 2
The function of 130b.
Organic film sealant 150, the second inorganic thin film sealant 120b on the first transparency conducting layer 130a and
First inorganic thin film sealant 120a be used as simultaneously dielectric layer separate with TFT or OLED ontology, this organic layer and inorganic layer
Combination can preferably separate extraneous aqueous vapor, the entrance of oxygen.
Here, inorganic thin film sealant 120(includes the first inorganic thin film sealant 120a, the second inorganic thin film sealant
120b and third inorganic thin film sealant 120c) it is formed by inorganic material, to prevent or prevent gas, moisture from from penetrating into from the external world.
More specifically, inorganic layer can be formed by nitride and/or oxide, including calcium oxide, aluminium oxide, silica, titanium oxide, oxidation
Indium, silica, silicon nitride, and/or aluminium nitride.
Transparency conducting layer 130 can completely cut off water oxygen by ITO, IZO, AZO etc., protect OLED device, and serve as touch function layer
Driving layer and inductive layer effect.
Organic film sealant 150, is formed by organic material, to discharge from third inorganic thin film sealant 120c's
Interior lateral stress fills up any possible defect such as the crack being formed in surface, pin hole, and makes inorganic thin film sealant 120
It is whole smooth.Organic film sealant 150 may include acrylic resin (acrylic), methacrylic resin (meta
Acrylic), polyester, polyethylene terephthalate (PET), polyethylene and/or polypropylene.
The AMOLED display screen with touch function be single-layer and transparent conductive coating structure, this structural support single-point touch and
Gesture function compares Fig. 2, simple process, few one of etch process.
Fig. 4 is the another embodiment of the AMOLED display screen with touch function shown in Fig. 1.Touch-control is had shown in corresponding diagram 1
The AMOLED display screen of function can realize TFT, OLED by increasing touch function layer in thin-film package on a plate base
And touch function.
It rises and is formed on substrate 100: viewing area 110, including thin film transistor (TFT) (TFT) circuit and organic illuminator
Part, organic luminescent device are set on thin film transistor (TFT).Touch function layer is produced among inorganic thin film sealant 120,
Middle touch function layer is transparent conductive electrode, carries out laminated film by three layers of medium such as transparency conducting layer/inorganic layer/organic layer
Encapsulation, multiple protective OLED device, to extend life of product.
As shown in figure 4, viewing area 110 is offered on substrate 100, display shown in third inorganic thin film sealant 120c covering
Area 110 and surrounding substrate regions.The sealing of the second inorganic thin film is successively arranged on the third inorganic thin film sealant 120c
Layer 120b, organic layer 150, the first inorganic thin film sealant 120a and transparency conducting layer 130.The transparency conducting layer 130 has
The function of first transparency conducting layer 130a shown in Fig. 2 and the second transparency conducting layer 130b.
First transparency conducting layer 130 and organic layer 150, the first inorganic thin film sealant 120a, while as medium
Layer, which is kept apart, can preferably obstruct extraneous aqueous vapor, oxygen with TFT or OLED ontology, the combination of this organic layer and inorganic layer
Into.
Here, inorganic thin film sealant 120(includes 120a, 120b and 120c) it is formed by inorganic material, to prevent or prevent
Only gas, moisture are penetrated into from the external world.More specifically, inorganic layer can be formed by nitride and/or oxide, including calcium oxide, oxygen
Change aluminium, silica, titanium oxide, indium oxide, silica, silicon nitride, and/or aluminium nitride.
Transparency conducting layer 130 can completely cut off aqueous vapor, oxygen by ITO, IZO, AZO etc., protect OLED device, and serve as touch-control
The driving layer and inductive layer of functional layer act on.
Organic film sealant 150, is formed by organic material, to discharge in the first inorganic thin film sealant 120a
Lateral stress fills up any possible defect such as the crack being formed in surface, pin hole, and keeps inorganic thin film sealant 120 whole
Body is smooth, and organic film sealant 150 may include acrylic resin (acrylic), methacrylic resin (meta
Acrylic), polyester, polyethylene terephthalate (PET), polyethylene and/or polypropylene.
The AMOLED display screen with touch function be single-layer and transparent conductive coating structure, this structural support single-point touch and
Gesture function compares Fig. 2 simple process, few one of etch process, its anti-interference ability is excellent on the basis of application identical chips
In Fig. 3.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (8)
1. a kind of AMOLED display screen with touch function, including substrate (100) and the viewing area being arranged on substrate (100)
(110), which is characterized in that further include touch function layer, the touch function layer is arranged on substrate (100), and is covered in institute
State the top of viewing area (110)；The touch function layer is the thin film encapsulation layers with touch function, by inorganic thin film sealant
(120), organic film sealant (150) and transparency conducting layer (130) are constituted, and the transparency conducting layer (130) is divided into first thoroughly
Bright conductive layer (130a) and the second transparency conducting layer (130b), the structure of the touch function layer specifically: from covering substrate
(100) it is risen with the first inorganic thin film sealant (120a) of viewing area (110), is successively covered with the first transparency conducting layer
(130a), organic film sealant (150), the second inorganic thin film sealant (120b) and the second transparency conducting layer (130b).
2. the AMOLED display screen with touch function according to claim 1, which is characterized in that the inorganic thin film sealant
(120) OLED device is protected, is also used to that electrically conducting transparent is isolated for completely cutting off aqueous vapor, oxygen with organic film sealant (150)
Layer.
3. the AMOLED display screen with touch function according to claim 1, which is characterized in that the transparency conducting layer
(130), for completely cutting off aqueous vapor, oxygen, OLED device is protected, also as the driving layer and inductive layer of the touch function layer.
4. the AMOLED display screen according to claim 1 or claim 2 with touch function, which is characterized in that the organic film is close
Sealing (150) is single layer.
5. the AMOLED display screen according to claim 1 or claim 2 with touch function, which is characterized in that the inorganic thin film is close
Sealing (120) is made of nitride, oxide or nitride/oxide.
6. the AMOLED display screen according to claim 1 or claim 2 with touch function, which is characterized in that the organic film is close
Sealing (150) is made of acrylic resin, polyester, polyethylene or polypropylene.
7. according to claim 1 or the 3 AMOLED display screens with touch function, which is characterized in that the transparency conducting layer
(130) it is made of ITO, IZO or AZO.
8. a kind of displayer with touch function, which is characterized in that include that AMOLED described in claim 1 is shown
Screen.
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| CN201310431343.9A CN104465695B (en) | 2013-09-22 | 2013-09-22 | AMOLED display screen and its display with touch function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104779267A (en) * | 2015-04-01 | 2015-07-15 | 上海天马微电子有限公司 | Organic light-emitting display panel and organic light-emitting display |
| CN107272930A (en) * | 2016-04-06 | 2017-10-20 | 昆山工研院新型平板显示技术中心有限公司 | A kind of In-cell touch-screens and preparation method thereof |
| CN106406628A (en) * | 2016-11-17 | 2017-02-15 | 武汉华星光电技术有限公司 | Touch screen and manufacturing method thereof |
| CN107193415B (en) * | 2017-05-18 | 2021-01-15 | 京东方科技集团股份有限公司 | OLED touch display substrate, preparation method thereof and touch display device |
| CN107742634A (en) * | 2017-09-19 | 2018-02-27 | 合肥惠科金扬科技有限公司 | A kind of AMOLED display screens |
| CN111384087A (en) * | 2018-12-28 | 2020-07-07 | 武汉华星光电半导体显示技术有限公司 | Organic light emitting diode display panel |
| CN115705105A (en) * | 2021-08-13 | 2023-02-17 | 京东方科技集团股份有限公司 | Touch structure, preparation method thereof, display panel and display device |
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| CN101876866A (en) * | 2010-06-30 | 2010-11-03 | 彩虹集团公司 | Method for preparing organic light emitting device with touch screen |
| CN201749442U (en) * | 2010-06-30 | 2011-02-16 | 彩虹集团公司 | Organic light-emitting device with touch screen |
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Application publication date: 20150325 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: AMOLED display screen with touch control function and an AMOLED display Granted publication date: 20190315 License type: Common License Record date: 20191031 |
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Effective date of registration: 20191212 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. |
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