CN105655380A - Organic light emission display panel - Google Patents
Organic light emission display panel Download PDFInfo
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- CN105655380A CN105655380A CN201610153212.2A CN201610153212A CN105655380A CN 105655380 A CN105655380 A CN 105655380A CN 201610153212 A CN201610153212 A CN 201610153212A CN 105655380 A CN105655380 A CN 105655380A
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- Prior art keywords
- display panel
- organic electroluminescence
- electroluminescence display
- touch control
- control electrode
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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
- H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
- H10K59/65—OLEDs integrated with inorganic image sensors
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses an organic light emission display panel. The organic light emission display panel comprises a substrate, a source and drain metal layer, a passivation layer and a planarization layer, wherein the source and drain metal layer, the passivation layer and the planarization layer are formed on the substrate in sequence. The organic light emission display panel is characterized in that a conducting layer is arranged between the passivation layer and the planarization layer in a clamped mode. According to the organic light emission display panel, a film layer structure is omitted, so that the technological process is simplified, cost is reduced, and a displayer is light and thin.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of organic electroluminescence display panel.
Background technology
Organic electroluminescence display panel adopts Organic Light Emitting Diode (OrganicLight-EmittingDiode, OLED) as light-emitting component, has the advantages such as self-luminous, high-contrast, super wide viewing angle, low power consumption.
The film layer structure figure of a kind of organic electroluminescence display panel that Fig. 1 prior art provides, including substrate 1, and the cushion 2 being sequentially formed on substrate, semiconductor film 3, gate insulating film 4, gate metal layer 5, insulating barrier 6, metal level 7, interlayer insulating film 8, source-drain electrode metal level 9, passivation layer 10, planarization layer 11, anode electrode layer 12, pixel defining layer 13, organic luminous layer 14 and negative electrode layer 15.
The organic electroluminescence display panel film layer structure that prior art provides is complicated, and cost of manufacture is higher, and yield is relatively low.
Summary of the invention
In view of this, the present invention provides a kind of organic electroluminescence display panel, including: substrate, it is sequentially formed in the source-drain electrode metal level on substrate, passivation layer, planarization layer, between passivation layer and planarization layer, clamping arranges conductive layer.
The present invention also provides for a kind of organic light-emitting display device, including a kind of organic electroluminescence display panel provided by the invention.
Compared with prior art, organic electroluminescence display panel provided by the invention decreases film layer structure, thus decreasing manufacturing process, saves cost, it is achieved display is lightening.
Accompanying drawing explanation
Fig. 1 is the film layer structure schematic diagram of a kind of organic electroluminescence display panel in prior art;
Fig. 2 is the film layer structure schematic diagram of a kind of organic electroluminescence display panel that one embodiment of the invention provides;
Fig. 3 is the cross-sectional schematic of a kind of organic electroluminescence display panel that further embodiment of the present invention provides;
Fig. 4 is the schematic top plan view of a kind of organic electroluminescence display panel that another embodiment of the present invention provides;
Fig. 5 is the schematic top plan view of a kind of organic electroluminescence display panel that another embodiment of the present invention provides;
Fig. 6 is the close-up schematic view of region A in Fig. 4 or Fig. 5;
Fig. 7 is the schematic top plan view of a kind of organic electroluminescence display panel that another embodiment of the present invention provides;
Fig. 8 is the schematic top plan view of a kind of organic electroluminescence display panel that another embodiment of the present invention provides;
Fig. 9 is the cross-sectional schematic in Fig. 7 along BB ' line;
Figure 10 is the cross-sectional schematic in Fig. 7 along BB ' line;
Figure 11 is the close-up schematic view of region C in Fig. 7.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below in conjunction with drawings and Examples, the present invention will be further described.
It should be noted that elaborate detail in the following description so that fully understanding the present invention.But the present invention can be different from alternate manner described here implement with multiple, and those skilled in the art can do similar popularization when without prejudice to intension of the present invention. Therefore the present invention is not by the restriction of following public detailed description of the invention.
Fig. 2 is the film layer structure schematic diagram of a kind of organic electroluminescence display panel that one embodiment of the invention provides. Refer to Fig. 2, organic electroluminescence display panel provided by the invention includes substrate 1, substrate 1 can be flexible material or non-flexible material, and sequentially forms cushion 2 on substrate 1, semiconductor film 3, gate insulating film 4, gate metal layer 5, interlayer insulating film 8, source-drain electrode metal level 9, passivation layer 10, conductive layer 16, planarization layer 11, anode electrode layer 12, pixel defining layer 13, organic luminous layer 14 and negative electrode layer 15. A kind of organic electroluminescence display panel provided by the invention decreases insulating barrier of the prior art and metal level, adding one layer of conductive layer 16, the material of conductive layer 16 is transparent conductive material, for instance tin indium oxide ITO, or opaque conductive material, for instance metal material. Organic electroluminescence display panel provided by the invention decreases film layer structure, thus decreasing manufacturing process, saves cost, it is achieved display is lightening.
In organic electroluminescence display panel provided by the invention, also including pixel cell and for driving the image element circuit of pixel cell, image element circuit includes electric capacity. Refer to Fig. 1, in prior art, the first pole plate of electric capacity is arranged on gate metal layer 5, and the second pole plate of electric capacity is arranged on metal level 7. Refer to Fig. 2, in a kind of organic electroluminescence display panel provided by the invention, be provided with conductive layer 16, the first pole plate of electric capacity is arranged on source-drain electrode metal level 9, and the second pole plate of electric capacity is arranged on conductive layer 16. Refer to Fig. 3, Fig. 3 is the cross-sectional schematic of a kind of organic electroluminescence display panel that further embodiment of the present invention provides, including substrate 1, with the cushion 2 sequentially formed on substrate 1, semiconductor film 3, gate insulating film 4, be arranged on the grid 51 of gate metal layer, interlayer insulating film 8, the source electrode 91 being arranged on source-drain electrode metal level and drain electrode 92, passivation layer 10, planarization layer 11, be arranged on the anode 121 of anode electrode layer, pixel defining layer 13, be arranged on the luminous zone 141 of organic luminous layer, and negative electrode layer 15. First pole plate 96 of electric capacity is arranged on source-drain electrode metal level, arranges with layer with source electrode 91 and drain electrode 92, and the second pole plate 162 of electric capacity is arranged on conductive layer. First pole plate 96 and the second pole plate 162 constitute the electric capacity in image element circuit. A kind of organic electroluminescence display panel provided by the invention had both decreased rete, can provide again the electric capacity of image element circuit, it is ensured that the normal service behaviour of organic electroluminescence display panel.
Fig. 4 is the schematic top plan view of a kind of organic electroluminescence display panel that another embodiment of the present invention provides. Conductive layer includes touch control electrode 161, makes organic electroluminescence display panel provided by the invention have touch controllable function. Touch control electrode 161 is block, arranges in array. The division of the shape of touch control electrode is illustrative of by the present embodiment, should not cause the restriction for the present invention, and the shape of touch control electrode can have multiple, for instance shown in Fig. 5, and conductive layer includes multiple touch control electrode 161, and touch control electrode 161 is balloon. A kind of organic electroluminescence display panel multiplexing conductive layer that the present embodiment provides is touch control electrode layer, it is possible to by integrated for touch controllable function to display floater, realize display floater further lightening.
Fig. 6 is the close-up schematic view of region A in Fig. 4 or Fig. 5. Conductive layer includes the touch control electrode 161 of bulk, and touch control electrode 161 and conductive layer use same material to be formed in same manufacturing process, for instance, touch control electrode 161 can use photoetching process to be formed for conductive layer. Conductive layer also includes the second pole plate 162 of electric capacity, and the second pole plate 162 and conductive layer use same material to be formed in same manufacturing process, for instance, the second pole plate 162 can use photoetching process to be formed for conductive layer. Touch control electrode 161 and the second pole plate 162 insulate. In the present embodiment, the material of touch control electrode 161 is transparent conductive material, for instance tin indium oxide ITO. In a kind of organic electroluminescence display panel that the present embodiment provides, conductive layer includes touch control electrode, is integrated in organic electroluminescence display panel by touch controllable function on the basis of rete not increasing.
Further, a kind of organic electroluminescence display panel provided by the invention includes luminous zone, touch control electrode 161 includes void region 163, and void region 163 is arranged with luminous zone one_to_one corresponding, and void region 163 does not overlap with luminous zone in a direction perpendicular to a substrate. Refer to Fig. 2, the direction being perpendicular to substrate is Y-direction. In the present embodiment, the material of touch control electrode 161 is transparent conductive material, for instance tin indium oxide ITO, or opaque conductive material, for instance metal material. In a kind of organic electroluminescence display panel that the present embodiment provides, touch control electrode and luminous zone do not overlap in a direction perpendicular to a substrate, will not reduce the aperture opening ratio of organic electroluminescence display panel, not affect display effect. A kind of organic electroluminescence display panel that the present embodiment provides goes for top ray structure or end ray structure.
A kind of organic electroluminescence display panel provided by the invention also includes negative electrode layer, and negative electrode layer includes multiple touch control electrode. Exemplary, the set-up mode of touch control electrode has two kinds.
The first set-up mode of touch control electrode refer to the schematic top plan view that Fig. 7, Fig. 7 are a kind of organic electroluminescence display panels that another embodiment of the present invention provides. Negative electrode layer includes the touch control electrode 151 of bulk, and touch control electrode 151 is arrangement in array, is used for detecting touch signal. Touch control electrode 151 and negative electrode layer use same material to be formed in same manufacturing process, for instance, touch control electrode 151 can use photoetching process to be formed for negative electrode layer. A kind of organic electroluminescence display panel provided by the invention includes negative electrode and anode, when providing appropriate voltage to negative electrode and anode, it is possible to achieve the characteristic of organic electroluminescence display panel self luminescence. In the present embodiment, touch control electrode 151 is multiplexed with negative electrode. It should be noted that the shape of touch control electrode 151 is only the concrete example that the embodiment of the present invention provides here, but not limitation of the present invention.
The second set-up mode of touch control electrode refer to the schematic top plan view that Fig. 8, Fig. 8 are a kind of organic electroluminescence display panels that another embodiment of the present invention provides. Negative electrode layer includes the touch control electrode 151 of bulk, touch control electrode 151 is used for detecting touch signal, touch control electrode 151 and negative electrode layer use same material to be formed in same manufacturing process, for instance, touch control electrode 151 can use photoetching process to be formed for negative electrode layer. A kind of organic electroluminescence display panel provided by the invention includes negative electrode and anode, when providing appropriate voltage to negative electrode and anode, it is possible to achieve the characteristic of organic electroluminescence display panel self luminescence.In the present embodiment, negative electrode layer includes the negative electrode 152 of bulk, a pixel in each piece of corresponding a kind of organic electroluminescence display panel provided by the invention of negative electrode 152. Negative electrode 152 and negative electrode layer use same material to be formed in same manufacturing process, for instance, negative electrode 152 can use photoetching process to be formed for negative electrode layer. Touch control electrode 151 and negative electrode 152 insulate. It should be noted that the shape of touch control electrode 151 and negative electrode 152 is only the concrete example that the embodiment of the present invention provides here, but not limitation of the present invention.
Further, refer to Fig. 7 or Fig. 8, touch control electrode 151 electrically connects with at least one holding wire 165, and holding wire 165 gives touch control electrode 151 transmitting telecommunication number. Holding wire 165 is arranged on conductive layer, and holding wire 165 and conductive layer use same material to be formed in same manufacturing process, for instance, touch control electrode 161 can use photoetching process to be formed for conductive layer. Holding wire 165 is connected to processing unit 101, exemplary, and processing unit 101 can be IC (IntegratedCircuit) chip. A kind of organic electroluminescence display panel multiplexing conductive layer that the present embodiment provides is signal line layer, for touch control electrode transmitting telecommunication number, it is possible to reduce manufacturing process, realizes display floater further lightening. In a kind of organic electroluminescence display panel that the present embodiment provides, the connected mode of touch control electrode 151 and at least one holding wire 165 has two kinds. Hereinafter a kind of organic electroluminescence display panel only provided in Fig. 7 embodiment illustrates that two kinds of connected modes of touch control electrode and at least one holding wire, this connected mode are equally applicable in Fig. 8 embodiment a kind of organic electroluminescence display panel of offer.
It is cross-sectional schematic along BB ' line in Fig. 7 that the first connected mode of touch control electrode and at least one holding wire refer to Fig. 9, Fig. 9. The position of BB ' line cutting is touch control electrode 151 and at least one holding wire 165 junction in Fig. 7, in order to clearly illustrate film layer structure, Fig. 9 has illustrated the sectional view of a TFT switch, TFT switch includes semiconductor film 3, grid 51, source electrode 91 and drain electrode 92, and anode 121 electrically connects with drain electrode 92. In the present embodiment, organic electroluminescence display panel also includes luminous zone 141, the first pole plate 91 of electric capacity, the second pole plate 162 of electric capacity and touch control electrode 151. Pixel defining layer 13 includes the first via 131, and planarization layer 11 includes the second via 111, and touch control electrode 151 is electrically connected with holding wire 165 by the first via 131 and the second via 111.
The second connected mode of touch control electrode and at least one holding wire refer to Figure 10, Figure 10 and continues to use the accompanying drawing labelling of Fig. 9, and something in common repeats no more. Figure 10 and Fig. 9 is different in that, touch control electrode 151 is electrically connected with holding wire 165 by bridge part 122. Detailed description of the invention is, pixel defining layer 13 includes the first via 131, and touch control electrode 151 is electrically connected with bridge part 122 by the first via 131; Planarization layer 11 includes the second via 111, and bridge part 122 is electrically connected with holding wire 165 by the second via 111. In the present embodiment, bridge part 122 is arranged with layer with anode 121. Bridge part 122 and anode 121 can use same material to be formed in same manufacturing process.
Further, conductive layer also includes a plurality of dummy line, and the set-up mode of dummy line has multiple. Exemplary, refer to Figure 11, Figure 11 is the close-up schematic view of region C in Fig. 7.Dummy line can be arranged on the region between adjacent anode 121 and identical with the bearing of trend of holding wire 165, such as dummy line 1661; Dummy line can be arranged on the lower section of anode 121 and identical with the bearing of trend of holding wire 165, such as dummy line 1662; Dummy line can be arranged on the region between adjacent touch control electrode 151, such as dummy line 1663; Dummy line can be arranged on the region between adjacent anode 121 and different from the bearing of trend of holding wire 165, such as dummy line 1664; Dummy line can be arranged on the lower section of anode 121 and different from the bearing of trend of holding wire 165, such as dummy line 1665. The set-up mode of the multiple dummy line that the present embodiment provides can select a use, it is also possible to the mixing of multiple set-up mode uses. Dummy line is set and can reduce the signal disturbing between adjacent touch control electrode, improve touch accuracy. The set-up mode of the dummy line that the present embodiment provides is equally applicable to a kind of organic electroluminescence display panel that Fig. 8 embodiment provides.
The present invention also provides for a kind of organic light-emitting display device, including: the organic electroluminescence display panel that the embodiment of the present invention provides. Organic light-emitting display device may include that TV, mobile phone, computer etc.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, it is impossible to assert that specific embodiment of the invention is confined to these explanations. For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, protection scope of the present invention all should be considered as belonging to.
Claims (14)
1. an organic electroluminescence display panel, including: substrate, it is sequentially formed in the source-drain electrode metal level on described substrate, passivation layer, planarization layer, it is characterised in that between described passivation layer and described planarization layer, clamping arranges conductive layer.
2. organic electroluminescence display panel as claimed in claim 1, it is characterised in that also including electric capacity, the first pole plate of described electric capacity is arranged on described source-drain electrode metal level, and the second pole plate of described electric capacity is arranged on described conductive layer.
3. organic electroluminescence display panel as claimed in claim 2, it is characterised in that described conductive layer includes multiple touch control electrode, described touch control electrode and described second electrode plate insulation.
4. organic electroluminescence display panel as claimed in claim 3, it is characterised in that also including luminous zone, described touch control electrode and described luminous zone do not overlap on the direction being perpendicular to described substrate.
5. the organic electroluminescence display panel as described in claim 3 or 4, it is characterised in that the material of described touch control electrode is transparent conductive material.
6. organic electroluminescence display panel as claimed in claim 4, it is characterised in that the material of described touch control electrode is opaque conductive material.
7. organic electroluminescence display panel as claimed in claim 2, it is characterised in that also including negative electrode layer, described negative electrode layer includes multiple touch control electrode.
8. organic electroluminescence display panel as claimed in claim 7, it is characterised in that described touch control electrode is multiplexed with negative electrode.
9. organic electroluminescence display panel as claimed in claim 7, it is characterised in that described negative electrode layer also includes negative electrode, described negative electrode and described touch control electrode electric insulation.
10. organic electroluminescence display panel as claimed in claim 7, it is characterised in that described conductive layer includes multi signal line, and described touch control electrode electrically connects with described holding wire.
11. organic electroluminescence display panel as claimed in claim 10, it is characterised in that described organic electroluminescence display panel also includes pixel defining layer, and described pixel defining layer includes the first via;
Described planarization layer includes the second via being correspondingly arranged with the first via;
Described touch control electrode is electrically connected with described holding wire by described first via and described second via.
12. organic electroluminescence display panel as claimed in claim 11, it is characterized in that, described organic electroluminescence display panel also includes bridge part, and described touch control electrode is electrically connected with described bridge part by described first via, and described bridge part is electrically connected with described holding wire by described second via.
13. organic electroluminescence display panel as claimed in claim 10, it is characterised in that described conductive layer also includes a plurality of dummy line.
14. an organic light-emitting display device, it is characterised in that include the organic electroluminescence display panel as described in any one of claim 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610153212.2A CN105655380A (en) | 2016-03-17 | 2016-03-17 | Organic light emission display panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610153212.2A CN105655380A (en) | 2016-03-17 | 2016-03-17 | Organic light emission display panel |
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| CN105655380A true CN105655380A (en) | 2016-06-08 |
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| CN201610153212.2A Pending CN105655380A (en) | 2016-03-17 | 2016-03-17 | Organic light emission display panel |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106206666A (en) * | 2016-08-29 | 2016-12-07 | 上海天马微电子有限公司 | Organic electroluminescence display panel and organic light-emitting display device |
| CN107768382A (en) * | 2016-08-22 | 2018-03-06 | 群创光电股份有限公司 | Light emitting diode touch control display apparatus |
| CN108807461A (en) * | 2017-04-29 | 2018-11-13 | 昆山国显光电有限公司 | Organic light emitting display panel and its manufacturing method |
| CN109597522A (en) * | 2018-10-26 | 2019-04-09 | 武汉华星光电技术有限公司 | Touch-control array substrate and touch-control display panel |
| CN109728060A (en) * | 2019-01-04 | 2019-05-07 | 京东方科技集团股份有限公司 | A kind of array substrate, electroluminescence panel and display device |
| WO2019178928A1 (en) * | 2018-03-21 | 2019-09-26 | 武汉华星光电半导体显示技术有限公司 | Method for manufacturing display panel, and display panel and display apparatus |
| CN111653583A (en) * | 2016-06-14 | 2020-09-11 | 群创光电股份有限公司 | Display device |
| CN112750884A (en) * | 2020-12-30 | 2021-05-04 | 湖北长江新型显示产业创新中心有限公司 | Display panel and display device |
| WO2021248557A1 (en) * | 2020-06-11 | 2021-12-16 | 武汉华星光电半导体显示技术有限公司 | Touch display panel and display device |
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| CN111653583A (en) * | 2016-06-14 | 2020-09-11 | 群创光电股份有限公司 | Display device |
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| CN112750884A (en) * | 2020-12-30 | 2021-05-04 | 湖北长江新型显示产业创新中心有限公司 | Display panel and display device |
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Application publication date: 20160608 |
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