CN104076966B - Organic Electroluminescent Touch Display Panel - Google Patents
Organic Electroluminescent Touch Display Panel Download PDFInfo
- Publication number
- CN104076966B CN104076966B CN201310160210.2A CN201310160210A CN104076966B CN 104076966 B CN104076966 B CN 104076966B CN 201310160210 A CN201310160210 A CN 201310160210A CN 104076966 B CN104076966 B CN 104076966B
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- CN
- China
- Prior art keywords
- touch
- display panel
- organic electroluminescent
- control display
- substrate
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- 238000005401 electroluminescence Methods 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 35
- 239000010408 film Substances 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 17
- 239000010409 thin film Substances 0.000 claims description 15
- 239000012212 insulator Substances 0.000 claims description 9
- 238000002161 passivation Methods 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 2
- 238000003491 array Methods 0.000 claims 1
- 239000013078 crystal Substances 0.000 claims 1
- 238000005538 encapsulation Methods 0.000 claims 1
- 229920005591 polysilicon Polymers 0.000 claims 1
- 239000010410 layer Substances 0.000 description 29
- 238000010586 diagram Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005525 hole transport Effects 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Abstract
The invention provides an organic electroluminescence type touch display panel which comprises a light-emitting structure, wherein the light-emitting structure comprises a cathode, an anode and an organic light-emitting layer clamped between the cathode and the anode. The cathode also receives a touch driving signal for detecting a touch action applied to the organic electroluminescent touch display panel. The organic electroluminescent touch display panel has a simple structure.
Description
Technical field
The present invention relates to a kind of organic electroluminescent formula touch-control display panel.
Background technology
At present, organic electroluminescent formula touch-control display panel is typically on organic electroluminescent formula display floater by viscous
The additional touch screen of mode such as connect to realize.However, above-mentioned additional touch screen does not only result in organic electroluminescent formula display floater
Package assembly is complicated, is also difficult to reduce the thickness of whole organic electroluminescent formula display floater, it is difficult to meet existing touch-control and show
The increasingly integrated and lightening development trend of panel.
The content of the invention
In view of this, it is necessary to provide a kind of structure relatively simple organic electroluminescent formula touch-control display panel.
A kind of organic electroluminescent formula touch-control display panel, which includes ray structure, touch-control conductive structure and driving structure.
The organic luminous layer that the ray structure includes negative electrode, anode and is sandwiched between the negative electrode and the anode.The touch-control conductive structure electricity
Connect the anode, the touch action being applied to for detecting on the organic electroluminescent formula touch-control display panel.The driving structure
The ray structure is electrically connected, for display drive signals being provided to the ray structure and providing touch-control drive signal to the touch-control
Conductive structure.
Compared with prior art, in organic electroluminescent formula touch-control display panel of the present invention, the negative electrode can also be detected
The touch action being applied on the organic electroluminescent formula touch-control display panel so that the organic electroluminescent formula touch-control display surface
The display driving structure of plate is integrated with touch-control driving structure, without the need for additional touch screen again, so as to the organic electroluminescence
Illuminated touch display panel structure is relatively simple.
Description of the drawings
Fig. 1 is the electrical block diagram of organic electroluminescent formula touch-control display panel of the present invention.
Fig. 2 is the planar structure schematic diagram of the touch-control conductive structure of the touch-control display panel of organic electroluminescent formula shown in Fig. 1.
Fig. 3 is the touch-control display panel generalized section of organic electroluminescent formula shown in Fig. 1.
Main element symbol description
Organic electroluminescent formula touch-control display panel 10
Ray structure 11
Touch-control conductive structure 12
Driving structure 13
Anode 111
Negative electrode 112
Organic luminous layer 113
First film transistor 131
Second thin film transistor (TFT) 132
Storage capacitance 133
Gate line 134
Data wire 135
Power line 136
Pixel 150
First conducting wire 116
Second conducting wire 118
First touch-control line 121
Second touch-control line 122
First substrate 101
Second substrate 102
Adhesive body 104
Gate insulator 137
First sealing coat group 138
Second sealing coat group 139
Passivation layer 130
Grid G
Source S
Drain D
Channel layer 160
Via 170,172
Conducting element 181
Signal transmitting layer 182
Flexible circuit board 183
Following specific embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
Specific embodiment
Fig. 1 is referred to, Fig. 1 is the electrical block diagram of organic electroluminescent formula touch-control display panel of the present invention 10.Should
Organic electroluminescent formula touch-control display panel 10 can be Organic Light Emitting Diode (organic light emitting
Diodes, OLED) formula touch-control display panel, it include ray structure 11, driving structure 13,.The ray structure 11 includes anode
111st, negative electrode 112 and the organic luminous layer 113 being sandwiched between the negative electrode 112 and the anode 111.The organic luminous layer 113 is used for
Light under the driving of the anode 111 with the negative electrode 112.The driving structure 13 electrically connects the ray structure 11, aobvious for providing
Show drive signal to the ray structure 11.The negative electrode 112 also receives touch-control drive signal, is applied to the organic electroluminescence for detecting
Touch action on illuminated touch-control display panel 10.
The driving structure 13 includes first film transistor 131, the second thin film transistor (TFT) 132, storage capacitance 133, grid
Line 134, data wire 135, and power line 136.The data wire 135 and the power line 136 are parallel to each other and are hung down with the gate line 134
Straight insulation is intersecting.The data wire 135, the power line 136 intersect the multiple pixels in matrix arrangement of definition with the gate line 134
150.The correspondence of each pixel 150 includes a ray structure 11, a storage capacitance 133, a first film transistor 131 and one second
Thin film transistor (TFT) 132.Wherein, the grid of the first film transistor 131 connects the gate line 134, the first film transistor
131 source electrode connects the data wire 135, and the drain electrode of the first film transistor 131 connects the power via the storage capacitance 133
Line 136.The grid of second thin film transistor (TFT) 132 connects the drain electrode of the first film transistor 131, second thin film transistor (TFT)
132 drain electrode connects the anode 111 of the ray structure 11, and the source electrode of second thin film transistor (TFT) 132 connects the power line 136.
The negative electrode 112 includes first conducting wire 116 and the second conducting wire 118 of mutually insulated, first conductor wire
Road 116 forms capacitance touching control conductive structure with second conducting wire 118.In present embodiment, first conducting wire 116
And second conducting wire 118 is disposed adjacent and extends along the direction of the picture element matrix row.Further, Fig. 2 is referred to, is schemed
2 is the planar structure schematic diagram of the negative electrode 112 of the touch-control display panel of organic electroluminescent formula shown in Fig. 1 10.First conductor wire
Road 116 and second conducting wire 118 are in pectination, and the pectination of first conducting wire 116 and second conducting wire 118
Pectination staggeredly engage.First conducting wire 116 causes the negative electrode 112 to be formed with 118 Capacitance Coupled of the second conducting wire
Capacitance touching control circuit structure.
Moreover it is preferred that often the first conducting wire 116 of row pixel 150 be connected in turn to be formed one first touch
Control line 121, often the second conducting wire 118 of row pixel 150 be connected in turn to form second touch-control line 122, this
One touch-control line 121 is coupled with 122 mutually insulated of the second touch-control line.Wherein it is possible to understand, the touch-control of the negative electrode 112 is applied to
Drive signal can include the touch scanning signals being applied in the first touch-control line 121 and be applied to second touch-control line 122
The touch detection signal with a constant potential.
Refer to Fig. 3, Fig. 3 is the generalized section of the touch-control display panel of organic electroluminescent formula shown in Fig. 1 10, Ke Yili
Xie Di, as profile angle is limited, the generalized section only illustrates the cut-away section structure of a pixel.The organic electroluminescent formula
Touch-control display panel 10 also includes first substrate 101, second substrate 102, adhesive body 104, conducting element 181, and signal transmission
Layer 182.The driving structure 13 is arranged on the first substrate 101, the anode 111 be arranged at the driving structure 13 away from this first
The side of substrate 101 and the driving structure 13 is electrically connected, the organic luminous layer 113 is arranged at the anode 111 away from first base
The side of plate 101, the negative electrode 112 are arranged at side of the organic luminous layer 113 away from the first substrate 101.
The second substrate 102 is cap version and connects the first substrate 101 by the adhesive body 104, so as to this first
The ray structure 11 and the driving structure 13 are encapsulated therebetween by substrate 101 with the second substrate 102.The second substrate 102
In the negative electrode 112 away from the first substrate 101 side, the signal transmitting layer 182 is arranged at the second substrate 102 adjacent to the moon
The side of pole 112, the conducting element 181 are sandwiched between the negative electrode 112 and the signal transmitting layer 182, for electrically connecting the negative electrode
112 with the signal transmitting layer 182.The signal transmitting layer 182 is used to connect outside flexible circuit board 183.From flexible circuit board
183 external touch drive signal is sequentially transmitted to the negative electrode 112 via the signal transmitting layer 182 and the conducting element 181.Its
In, the conducting element 181 can be conductive spacer or conducting resinl.
The driving structure 13 also includes gate insulator 137, the first sealing coat group 138, the second sealing coat group 139 and passivation
Layer 130, the first film transistor 131 and second thin film transistor (TFT) 132 include channel layer 160, the first sealing coat group 138
It is arranged on the first substrate 101, the channel layer 160 is arranged in the first sealing coat group 138, and the gate insulator 137 sets
It is placed on the channel layer 160, the grid G (such as the grid of the second thin film transistor (TFT) 132) is arranged on the gate insulator 137,
The second sealing coat group 139 is arranged on the grid G and the gate insulator 137, and the source S and the drain D are arranged at second
Sealing coat group 139 and it is connected with the channel layer 160 by the via 170 in the second sealing coat group 139 respectively, the passivation layer
130 are arranged in the source S, the drain D and the second sealing coat group 139, the anode 111 be arranged on the passivation layer 130 and
The drain D is connected to by the via 172 in the passivation layer 130, the organic luminous layer 113 and the negative electrode 112 are sequentially arranged
On the anode 111.
In addition, the first film transistor 131 and the second thin film transistor (TFT) 132 at least one be low temperature polycrystalline silicon
(LTPS) thin film transistor (TFT).The organic luminous layer 113 can include electric hole transport layer, organic layer and electron transfer layer etc..This has
Organic electro luminescent formula touch-control display panel 10 is the illuminated organic electroluminescent formula touch-control display panel in top, the ray structure 11
The light for going out sequentially is supplied to panel beholder via the driving structure 13 and the first substrate 101.
Compared with prior art, in organic electroluminescent formula touch-control display panel of the present invention 10, the negative electrode 112 can be with
Detecting is applied to the touch action on the organic electroluminescent formula touch-control display panel 10 so that the organic electroluminescent formula touch-control
The display driving structure of display floater 10 is integrated with touch-control driving structure, without the need for additional touch screen again, so as to this
Organic electroluminescent formula touch-control display panel 10 is relatively simple.
Additionally, negative electrode 112 is connected in the signal transmitting layer 182 of the second substrate 102 via conducting element 181,
So that external touch drive signal is provided via second substrate 102, and display drive signals can be provided via first substrate and be arrived
The driving structure 13, touch-control drive signal are provided from different substrates from display drive signals respectively and can be avoided from same substrate layer
The generation of the problems such as providing caused flexible circuit board and wiring complexity, confusion, improves the organic electroluminescent formula touch-control and shows
The reliability of panel 10.
Claims (11)
1. a kind of organic electroluminescent formula touch-control display panel, which includes ray structure, the ray structure include negative electrode, anode and
The organic luminous layer being sandwiched between the negative electrode and the anode, the organic luminous layer light under driving of the anode with the negative electrode,
The negative electrode also receives touch-control drive signal, is applied to the touch on the organic electroluminescent formula touch-control display panel for detecting and moves
Make, it is characterised in that：The negative electrode includes first conducting wire and the second conducting wire of mutually insulated, first conducting wire with
Second conducting wire forms capacitance touching control conductive structure.
2. organic electroluminescent formula touch-control display panel as claimed in claim 1, it is characterised in that：The organic electroluminescent formula
Touch-control display panel there is also defined multiple pixels arranged in arrays, first conducting wire and this second conducting wire is adjacent sets
Put and extend along the direction of the picture element matrix row.
3. organic electroluminescent formula touch-control display panel as claimed in claim 2, it is characterised in that：Often the first of row pixel is led
Electric line is connected in turn to form first touch-control line, and often the second conducting wire of row pixel is connected in turn shape
Into second touch-control line, first touch-control line is coupled with the second touch-control line mutually insulated.
4. organic electroluminescent formula touch-control display panel as claimed in claim 2, it is characterised in that：First conducting wire with
Second conducting wire is in pectination, and the pectination of first conducting wire is staggeredly engaged with the pectination of second conducting wire.
5. organic electroluminescent formula touch-control display panel as claimed in claim 1, it is characterised in that：The organic electroluminescent formula
Touch-control display panel also includes a driving structure, first substrate, second substrate, conducting element and signal transmitting layer, and the driving is tied
Structure is arranged on the first substrate, and the anode is arranged at the driving structure away from the side of the first substrate and electrically connects the driving
Structure, the organic luminous layer are arranged at side of the anode away from the first substrate, and it is remote that the negative electrode is arranged at the organic luminous layer
From the side of the first substrate, the second substrate is located at side of the negative electrode away from the first substrate, and the signal transmitting layer is arranged
In the second substrate adjacent to the side of the negative electrode, the conducting element is sandwiched between the negative electrode and the signal transmitting layer, for being electrically connected
Connect the negative electrode and the signal transmitting layer, external touch drive signal sequentially via the signal transmitting layer and the conducting element transmit to
The negative electrode.
6. organic electroluminescent formula touch-control display panel as claimed in claim 5, it is characterised in that：The conducting element is conduction
Sept or conducting resinl, the signal transmitting layer are used to connect outside flexible circuit board to receive external touch drive signal.
7. organic electroluminescent formula touch-control display panel as claimed in claim 5, it is characterised in that：The organic electroluminescent formula
Touch-control display panel also includes adhesive body, and the second substrate is encapsulation cover plate and connects the first substrate by adhesive body, so as to
The ray structure and the driving structure are encapsulated therebetween by the first substrate with the second substrate.
8. organic electroluminescent formula touch-control display panel as claimed in claim 7, it is characterised in that：The driving structure includes grid
Polar curve, data wire, power line, storage capacitance, first film transistor and the second thin film transistor (TFT), the gate line and the data wire
And the power line insulation is intersecting, the grid of the first film transistor connects the gate line, the source electrode of the first film transistor
Connect the data wire, the drain electrode of the first film transistor connects the power line via the storage capacitance, second film crystal
The grid of pipe connects the drain electrode of the first film transistor, and the drain electrode of second thin film transistor (TFT) connects the sun of the ray structure
Pole, the source electrode of second thin film transistor (TFT) connect the power line.
9. organic electroluminescent formula touch-control display panel as claimed in claim 8, it is characterised in that：The first film transistor
And second thin film transistor (TFT) at least one be low-temperature polysilicon film transistor.
10. organic electroluminescent formula touch-control display panel as claimed in claim 9, it is characterised in that：The driving structure is also wrapped
Gate insulator, the first sealing coat group, the second sealing coat group and passivation layer are included, the first film transistor and second thin film are brilliant
Body pipe includes channel layer, and the first sealing coat group is arranged on the first substrate, and the channel layer is arranged at the first sealing coat group
On, the gate insulator is arranged on the channel layer, and the grid is arranged on the gate insulator, and the second sealing coat group is arranged
On the grid and the gate insulator, the source electrode and the drain electrode are arranged at the second sealing coat group and second are isolated by this respectively
Via in layer group is connected with the channel layer, and the passivation layer is arranged in the source electrode, the drain electrode and the second sealing coat group, should
Anode is arranged on the passivation layer and is connected to the drain electrode by the via in the passivation layer, the organic luminous layer and the negative electrode
It is sequentially arranged on the anode.
11. organic electroluminescent formula touch-control display panels as claimed in claim 1, it is characterised in that：The organic electroluminescent
Formula touch-control display panel also includes a driving structure, and the organic electroluminescent formula touch-control display panel is the illuminated organic electroluminescence in top
Illuminated touch-control display panel, the light that the organic luminous layer sends sequentially are supplied to panel beholder via the driving structure.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102111567A TWI506773B (en) | 2013-03-29 | 2013-03-29 | Organic electroluminescent type touch display panel |
| TW102111567 | 2013-03-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104076966A CN104076966A (en) | 2014-10-01 |
| CN104076966B true CN104076966B (en) | 2017-04-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310160210.2A Active CN104076966B (en) | 2013-03-29 | 2013-05-03 | Organic Electroluminescent Touch Display Panel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104076966B (en) |
| TW (1) | TWI506773B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6489900B2 (en) * | 2015-03-30 | 2019-03-27 | 株式会社ジャパンディスプレイ | Input device and display device |
| CN104835454B (en) * | 2015-06-01 | 2017-10-10 | 京东方科技集团股份有限公司 | A kind of organic electroluminescent contact panel, its driving method display device |
| CN104898888B (en) | 2015-06-23 | 2017-09-19 | 京东方科技集团股份有限公司 | A kind of built-in type touch display screen, its driving method and display device |
| CN104933991B (en) * | 2015-07-06 | 2018-10-23 | 京东方科技集团股份有限公司 | Pixel-driving circuit, display base plate and its driving method, display device |
| EP3350837B1 (en) * | 2015-09-15 | 2022-04-06 | BOE Technology Group Co., Ltd. | Array substrate, related display panels, and related display apparatus |
| CN105243993B (en) * | 2015-09-22 | 2018-01-26 | 京东方科技集团股份有限公司 | Oled display substrate and its driving method and OLED display |
| CN105552106B (en) | 2016-01-29 | 2018-07-06 | 上海天马微电子有限公司 | Oled panel and touch control detecting method |
| CN107910292B (en) * | 2017-11-14 | 2020-04-10 | 京东方科技集团股份有限公司 | Preparation method of cathode isolation retaining wall, display panel and preparation method of display panel |
| CN109585687A (en) * | 2018-12-17 | 2019-04-05 | 深圳市华星光电半导体显示技术有限公司 | The encapsulating structure and display device of display panel |
| CN110580113A (en) | 2019-08-09 | 2019-12-17 | 武汉华星光电半导体显示技术有限公司 | OLED display panel |
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| CN101894856A (en) * | 2009-05-22 | 2010-11-24 | 上海天马微电子有限公司 | Organic light-emitting diode (OLED) display screen |
| CN102541315A (en) * | 2010-12-07 | 2012-07-04 | 东莞万士达液晶显示器有限公司 | Touch-control display panel |
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| US8144115B2 (en) * | 2006-03-17 | 2012-03-27 | Konicek Jeffrey C | Flat panel display screen operable for touch position determination system and methods |
| JP4816668B2 (en) * | 2008-03-28 | 2011-11-16 | ソニー株式会社 | Display device with touch sensor |
| DE102010029843A1 (en) * | 2010-04-30 | 2011-12-01 | Ledon Oled Lighting Gmbh & Co.Kg | Flat luminaire with variable luminance |
| JP2012216780A (en) * | 2011-03-31 | 2012-11-08 | Ricoh Co Ltd | P-type oxide, p-type oxide manufacturing composition, p-type oxide manufacturing method, semiconductor element, display element, image display device and system |
| DE102011017383A1 (en) * | 2011-04-18 | 2012-10-18 | Ident Technology Ag | OLED interface |
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- 2013-03-29 TW TW102111567A patent/TWI506773B/en active
- 2013-05-03 CN CN201310160210.2A patent/CN104076966B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101894856A (en) * | 2009-05-22 | 2010-11-24 | 上海天马微电子有限公司 | Organic light-emitting diode (OLED) display screen |
| CN102541315A (en) * | 2010-12-07 | 2012-07-04 | 东莞万士达液晶显示器有限公司 | Touch-control display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201438219A (en) | 2014-10-01 |
| CN104076966A (en) | 2014-10-01 |
| TWI506773B (en) | 2015-11-01 |
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