CN105825804A - OLED panel with touch function, display device, and manufacturing method of OLED panel - Google Patents
OLED panel with touch function, display device, and manufacturing method of OLED panel Download PDFInfo
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- CN105825804A CN105825804A CN201510000726.XA CN201510000726A CN105825804A CN 105825804 A CN105825804 A CN 105825804A CN 201510000726 A CN201510000726 A CN 201510000726A CN 105825804 A CN105825804 A CN 105825804A
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Abstract
The invention discloses an OLED panel with a touch function, a display device, and a manufacturing method of the OLED panel. An array substrate comprises a plurality of drive lines which include a scanning control signal line, an emission control signal line, a power line and a data signal line, wherein part of the drive lines are set as touch scanning lines or touch sensing lines. The advantages are as follows: first, in structure, the existing pixel structure of Array is used, and a new drive mode is adopted, which reduces the density of line layout significantly, reduce the number of processes of the upper cover plate, reduces the number of steps of the touch screen preparation technology, reduces the difficulty of the technology, and improves the yield of products; and second, in timing, a time-sharing drive module is used for loading a touch scanning signal in a time-sharing drive mode, a frequency-division drive module is used for loading a touch scanning signal in a frequency-division drive mode, and possible bad influence of the array substrate on the display due to the drive method and the drive mode is overcome.
Description
Technical field
The invention belongs to touch display field, especially, relate to a kind of oled panel with touch function, display device and preparation method thereof.
Background technology
The display of present display, particularly small-medium size develops towards the direction that big information capacity, size are lightening, and also has had the functions such as touch screen concurrently, on the one hand, the function of product gets more and more, on the other hand, to the design of substrate, process requirements, yields requirement more and more higher.Touch screen can be divided into according to operation principle at present: resistance-type, condenser type, sound wave type, infrared type etc., these prior aries are widely used in medium and small electronic product and the mobile terminals such as mobile phone.
OLED(OrganicLightEmittingDiode) it is Organic Light Emitting Diode, principle of luminosity is: with ito transparent electrode and metal electrode respectively as the anode of device and negative electrode, under certain voltage drives, electronics and hole are injected into electronics and hole transmission layer from negative electrode and anode respectively, electronics and hole move to luminescent layer respectively through electronics and hole transmission layer, and meet in luminescent layer, form exciton and make light emitting molecule excite.
Comparing traditional LC D, it is wide that OLED has colour gamut, and contrast is high and the advantage such as fast response time.At present, the method of OLED and Touch Screen is generally comprised: first, touch screen is attached above oled panel, the method needs to use one side to be substantially attached to existing display surface due to it, it is limited that the method improves leeway, space for frivolous development, integral thickness can increase by more than 30%, and corresponding weight also can increase accordingly；Second, touch screen in the On-Cell pattern fabricated above of oled panel upper cover plate, i.e. box surface-type touch screen (On-CellTouchPanel), Fig. 1 illustrates the basic structure of box surface-type touch screen, being provided with upper cover plate 12 on organic LED panel 11, the shortcoming of the method is: the quantity of manufacturing process is many, owing to touch screen is produced on upper cover plate, its upper cover plate finally needs to be attached on array base palte, and therefore overall yield rate can be affected by two substrates.
Summary of the invention
In view of this, present invention is primarily targeted at a kind of oled panel with touch function of offer, it can reduce the processing procedure of On-Cell box surface-type touch screen, improves the yields of product.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that: a kind of oled panel with touch function, including array base palte, described array base palte includes several driving lines being arranged at array base palte front, it is characterized in that: described driving line includes scan control signal line, emissioning controling signal line, power line and data signal line, drive line to be set to touch-control scan line or touch induction lines the part of described array base palte.
Further, scan control signal line on array base palte or emissioning controling signal line are set to described touch-control scan line, arrange at the back side of described array base palte and be perpendicular to described scan control signal line or be perpendicular to the data wire in emissioning controling signal line direction as described touch induction lines.
Further, the data signal line on array base palte or power line are set to described touch-control scan line, arrange at the back side of described array base palte and be perpendicular to described data signal line or be perpendicular to the data wire in described power line direction as described touch induction lines.
Further, the scan control signal line on array base palte is set to described touch-control scan line, emissioning controling signal line is set to touch induction lines；Or the emissioning controling signal line on array base palte is set to described touch-control scan line, scan control signal line is set to touch induction lines.
Further, the data signal line on array base palte is set to described touch-control scan line, power line is set to touch induction lines；Or the power line on array base palte is set to described touch-control scan line, data signal line is set to touch induction lines.
Further, described touch induction lines is also connected with driver module, for described touch induction lines loaded and displayed is driven signal.
Further, described touch-control scan line is also connected with timesharing and drives module, is used for: use timesharing type of drive that described touch-control scan line is loaded touch scanning signals.
Further, described touch-control scan line is also connected with frequency dividing and drives module, is used for: use frequency dividing type of drive that described touch-control scan line is loaded touch scanning signals.
Another object of the present invention is to provide a kind of display device, it is characterised in that include the oled panel with touch function.
Another object of the present invention is to provide the manufacture method of a kind of oled panel with touch function, it is characterised in that including: first, drive line to be set to touch-control scan line, or touch induction lines the part of array base palte；Then, to described touch-control scan line, or touch induction lines load driver signal.
The present invention has a following substantive distinguishing features and progress relative to prior art:
First, in structure, drive line to be set to touch-control scan line the part of described array base palte, and/or touch induction lines, realizing On-cell touching technique directly to make in panel, not only thickness does not increases, and utilizes Array(array) existing dot structure, and coordinate new type of drive, thus considerably reduce the density of line arrangement, reduce the processing procedure quantity of upper cover plate, decrease the step of touch screen preparation technology simultaneously, reduce technology difficulty, improve the yields of product.
Second, in sequential, the timesharing being connected with touch-control scan line drives module to be used for using timesharing type of drive that described touch-control scan line is loaded touch scanning signals；The frequency dividing being connected with touch-control scan line drives module to be used for using frequency dividing type of drive that described touch-control scan line is loaded touch scanning signals, overcomes owing to the reason of driving method, type of drive may produce the harmful effect affecting array base palte to display screen itself.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing On-Cell box surface-type touch screen；
Fig. 2 is the array base palte schematic diagram of the OLED with touch function of the present invention；
Fig. 3 is the embodiment schematic diagram of the touch-control scan line of the present invention；
Fig. 4 is the touch induction lines schematic diagram of embodiment illustrated in fig. 3；
Fig. 5 is the structure schematic side view of embodiment illustrated in fig. 3；
Fig. 6 is the flow chart of the implementation method of the oled panel with touch function of the present invention.
Detailed description of the invention
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art may be better understood the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
First embodiment
Refer to Fig. 2, the oled panel with touch function of the present invention includes: array base palte 20, drives line to be set to touch-control scan line, and/or touch induction lines the part of described array base palte 20.Oled panel is driven by voltage or electric current drives the N × M pixel cell 24 being arranged in matrix to represent image.
Preferably, Organic Light Emitting Diode (OLED) generally comprises: anode (ITO), organic layer and negative electrode.Wherein, organic layer can include having emission layer EML, electron transfer layer ETL and the multiple structure of hole transmission layer HTL, to improve luminous efficiency.
Preferably, the side at electron transfer layer ETL arranges electron injecting layer, it is also possible to arrange hole injection layer in the side of hole transmission layer HTL.
As specific embodiment, passive matrix method and active matrix method can be used to drive OLED, wherein, passive matrix method is by being arranged in a mutually vertical manner anode and negative electrode and optionally driver circuit；And active matrix method is by arranging active component in each pixel cell 24, as storage capacitor drives.
Preferably, the oled panel with touch function of the present invention includes: provide the scan signal line of scanning signal, it is provided that the data signal line of data signal, the power line of supply voltage is provided, drive transistor, switching transistor, storage capacitor and Organic Light Emitting Diode OLED.
Preferably, the operation for the image element circuit of a frame includes: provides scanning signal, then provides data signal with small time difference, to ensure from by providing scanning signal to turn on the time nargin to the time providing data signal of switching transistor.
Preferably, described panel includes the multi-strip scanning control signal wire arranged in the horizontal direction, a plurality of emissioning controling signal line, and a plurality of transmitting reverse control signal line；The a plurality of data signal line that in the vertical direction is arranged, and by scan control signal line, emissioning controling signal line, launch reverse control signal line and multiple image element circuits of data signal line restriction.
In the particular embodiment, the invention reside in a kind of display device of offer, including the oled panel with touch function.
In the particular embodiment, the present invention also resides in a kind of terminal system of offer, including described display device.
Preferably, refer to Fig. 3 to Fig. 5, in figure, array pattern 30 is arranged at the side of power line (not shown), scan control signal line 22 is set to described touch-control scan line, the data wire 21 of vertical direction is set at the back side of described array base palte as described touch induction lines.
Preferably, scan control signal line on array base palte or emissioning controling signal line are set to described touch-control scan line, arrange at the back side of described array base palte and be perpendicular to described scan control signal line or be perpendicular to the data wire in emissioning controling signal line direction as described touch induction lines.
When the oled panel with touch function of the present embodiment uses as display screen, pixel electrode is according to scan control signal line or the control signal of emissioning controling signal line, the data signal of data wire is shown, simultaneously, touch-control scan line provides the common signal of pixel electrode with touch induction lines, now, this oled panel is consistent with the using method of the display floater of prior art.
When the oled panel with touch function of the present embodiment uses as touch screen, pixel electrode is according to scan control signal line or the control signal of emissioning controling signal line, the data signal of data wire is shown, touch-control scan line provides touch-control to drive signal, touch induction lines provides touch-control sensing signal, i.e. touch-control scan line output touch-control drives signal, to export touch-control display picture；The touch-control sensing region output touch-control sensing signal that touch induction lines is formed, to receive the touching signals of user.When using as touch screen, the primary experience of user is on touch control operation, common wire for display screen display quality to affect user the most imperceptible, therefore need not in touch-control display panel, design single touch-control and drive line and touch induction lines, thus considerably reduce the density of line arrangement, reduce the processing procedure quantity of upper cover plate so that production efficiency is higher and cost of manufacture is relatively low.
Preferably, the data signal line on array base palte or power line are set to described touch-control scan line, arrange at the back side of described array base palte and be perpendicular to described data signal line or be perpendicular to the data wire in described power line direction as described touch induction lines.
Preferably, the scan control signal line on array base palte is set to described touch-control scan line, emissioning controling signal line is set to touch induction lines；Or the emissioning controling signal line on array base palte is set to described touch-control scan line, scan control signal line is set to touch induction lines.
Preferably, the data signal line on array base palte is set to described touch-control scan line, power line is set to touch induction lines；Or the power line on array base palte is set to described touch-control scan line, data signal line is set to touch induction lines.
Preferably, the spacing between described touch-control scan line is identical, and the spacing between described touch induction lines is identical.
Preferably, the spacing between spacing and the described touch induction lines between described touch-control scan line is identical.
Preferably, also include the driver module being connected with described touch induction lines, for described touch induction lines loaded and displayed is driven signal.
Preferably, also include that the timesharing being connected with described touch-control scan line drives module, be used for: use timesharing type of drive that described touch-control scan line is loaded touch scanning signals.In the particular embodiment, on driver' s timing, if driving image element circuit with progressive scan method, then a frame can include initialization period, for storing the storing time intervals of the threshold voltage of data voltage and driving transistor, and light-emitting period.By making initialization period, for storing the storing time intervals of the threshold voltage of data voltage and driving transistor, and the ratio change of light-emitting period, to realize timesharing driving.
Preferably, also include that the frequency dividing being connected with described touch-control scan line drives module, be used for: use frequency dividing type of drive that described touch-control scan line is loaded touch scanning signals.In the particular embodiment, on driver' s timing, if driving image element circuit with progressive scan method, then a frame can include initialization period, for storing the storing time intervals of the threshold voltage of data voltage and driving transistor, and light-emitting period.By making initialization period, for storing the storing time intervals of the threshold voltage of data voltage and driving transistor, and the signal frequency change of light-emitting period, drive with realization frequency dividing.
As specific embodiment, the present invention also provides for a kind of display device, and this display device includes the oled panel with the touch function described in first embodiment.
Second embodiment
Data signal line on array base palte or power line are set to described touch-control scan line by the present embodiment, arrange at the back side of described array base palte and are perpendicular to described data signal line or are perpendicular to the data wire in described power line direction as described touch induction lines.
When the oled panel with touch function of the present embodiment uses as display screen, pixel electrode is according to data signal line or the control signal of power line, the data signal of data wire is shown, simultaneously, touch-control scan line provides the common signal of pixel electrode with touch induction lines, now, this oled panel is consistent with the using method of the display floater of prior art.
When the oled panel with touch function of the present embodiment uses as touch screen, pixel electrode is according to data signal line or the control signal of power line, the data signal of data wire is shown, touch-control scan line provides touch-control to drive signal, touch induction lines provides touch-control sensing signal, i.e. touch-control scan line output touch-control drives signal, to export touch-control display picture；The touch-control sensing region output touch-control sensing signal that touch induction lines is formed, to receive the touching signals of user.When using as touch screen, the primary experience of user is on touch control operation, common wire for display screen display quality to affect user the most imperceptible, therefore need not in touch-control display panel, design single touch-control and drive line and touch induction lines, thus considerably reduce the density of line arrangement, reduce the processing procedure quantity of upper cover plate so that production efficiency is higher and cost of manufacture is relatively low.
Preferably, the spacing between described touch-control scan line is identical, and the spacing between described touch induction lines is identical.
Preferably, the spacing between spacing and the described touch induction lines between described touch-control scan line is identical.
Preferably, also include the driver module being connected with described touch induction lines, for described touch induction lines loaded and displayed is driven signal.
Preferably, also include that the timesharing being connected with described touch-control scan line drives module, be used for: use timesharing type of drive that described touch-control scan line is loaded touch scanning signals.In the particular embodiment, on driver' s timing, if driving image element circuit with progressive scan method, then a frame can include initialization period, for storing the storing time intervals of the threshold voltage of data voltage and driving transistor, and light-emitting period.By making initialization period, for storing the storing time intervals of the threshold voltage of data voltage and driving transistor, and the ratio change of light-emitting period, to realize timesharing driving.
Preferably, also include that the frequency dividing being connected with described touch-control scan line drives module, be used for: use frequency dividing type of drive that described touch-control scan line is loaded touch scanning signals.In the particular embodiment, on driver' s timing, if driving image element circuit with progressive scan method, then a frame can include initialization period, for storing the storing time intervals of the threshold voltage of data voltage and driving transistor, and light-emitting period.By making initialization period, for storing the storing time intervals of the threshold voltage of data voltage and driving transistor, and the signal frequency change of light-emitting period, drive with realization frequency dividing.
3rd embodiment
Scan control signal line on array base palte is set to described touch-control scan line by the present embodiment, and emissioning controling signal line is set to touch induction lines；Or the emissioning controling signal line on array base palte is set to described touch-control scan line, scan control signal line is set to touch induction lines.
When the oled panel with touch function of the present embodiment uses as display screen, pixel electrode is according to scan control signal line or the control signal of emissioning controling signal line, the data signal of data wire is shown, simultaneously, touch-control scan line provides the common signal of pixel electrode with touch induction lines, now, this oled panel is consistent with the using method of the display floater of prior art.
When the oled panel with touch function of the present embodiment uses as touch screen, pixel electrode is according to scan control signal line or the control signal of emissioning controling signal line, the data signal of data wire is shown, touch-control scan line provides touch-control to drive signal, touch induction lines provides touch-control sensing signal, i.e. touch-control scan line output touch-control drives signal, to export touch-control display picture；The touch-control sensing region output touch-control sensing signal that touch induction lines is formed, to receive the touching signals of user.When using as touch screen, the primary experience of user is on touch control operation, common wire for display screen display quality to affect user the most imperceptible, therefore need not in touch-control display panel, design single touch-control and drive line and touch induction lines, thus considerably reduce the density of line arrangement, reduce the processing procedure quantity of upper cover plate so that production efficiency is higher and cost of manufacture is relatively low.
Preferably, the spacing between described touch-control scan line is identical, and the spacing between described touch induction lines is identical.
Preferably, the spacing between spacing and the described touch induction lines between described touch-control scan line is identical.
Refer to Fig. 6, the implementation method of the oled panel with touch function of the present invention includes: S100, drives line to arrange touch-control scan line, or touch induction lines the part of array base palte；S200, to described touch-control scan line, or touch induction lines load driver signal.
Preferably, also include the driver module being connected with described touch induction lines, for described touch induction lines loaded and displayed is driven signal.
Preferably, also include that the timesharing being connected with described touch-control scan line drives module, be used for: use timesharing type of drive that described touch-control scan line is loaded touch scanning signals.In the particular embodiment, on driver' s timing, if driving image element circuit with progressive scan method, then a frame can include initialization period, for storing the storing time intervals of the threshold voltage of data voltage and driving transistor, and light-emitting period.By making initialization period, for storing the storing time intervals of the threshold voltage of data voltage and driving transistor, and the ratio change of light-emitting period, to realize timesharing driving.
Preferably, also include that the frequency dividing being connected with described touch-control scan line drives module, be used for: use frequency dividing type of drive that described touch-control scan line is loaded touch scanning signals.In the particular embodiment, on driver' s timing, if driving image element circuit with progressive scan method, then a frame can include initialization period, for storing the storing time intervals of the threshold voltage of data voltage and driving transistor, and light-emitting period.By making initialization period, for storing the storing time intervals of the threshold voltage of data voltage and driving transistor, and the signal frequency change of light-emitting period, drive with realization frequency dividing.
4th embodiment
Data signal line on array base palte is set to described touch-control scan line by the present embodiment, and power line is set to touch induction lines；Or the power line on array base palte is set to described touch-control scan line, data signal line is set to touch induction lines.
When the oled panel with touch function of the present embodiment uses as display screen, pixel electrode is according to data signal line or the control signal of power line, the data signal of data wire is shown, simultaneously, touch-control scan line provides the common signal of pixel electrode with touch induction lines, now, this oled panel is consistent with the using method of the display floater of prior art.
When the oled panel with touch function of the present embodiment uses as touch screen, pixel electrode is according to data signal line or the control signal of power line, the data signal of data wire is shown, touch-control scan line provides touch-control to drive signal, touch induction lines provides touch-control sensing signal, i.e. touch-control scan line output touch-control drives signal, to export touch-control display picture；The touch-control sensing region output touch-control sensing signal that touch induction lines is formed, to receive the touching signals of user.When using as touch screen, the primary experience of user is on touch control operation, common wire for display screen display quality to affect user the most imperceptible, therefore need not in touch-control display panel, design single touch-control and drive line and touch induction lines, thus considerably reduce the density of line arrangement, reduce the processing procedure quantity of upper cover plate so that production efficiency is higher and cost of manufacture is relatively low.
Preferably, the spacing between described touch-control scan line is identical, and the spacing between described touch induction lines is identical.
Preferably, the spacing between spacing and the described touch induction lines between described touch-control scan line is identical.
Preferably, also include the driver module being connected with described touch induction lines, for described touch induction lines loaded and displayed is driven signal.
Preferably, also include that the timesharing being connected with described touch-control scan line drives module, be used for: use timesharing type of drive that described touch-control scan line is loaded touch scanning signals.In the particular embodiment, on driver' s timing, if driving image element circuit with progressive scan method, then a frame can include initialization period, for storing the storing time intervals of the threshold voltage of data voltage and driving transistor, and light-emitting period.By making initialization period, for storing the storing time intervals of the threshold voltage of data voltage and driving transistor, and the ratio change of light-emitting period, to realize timesharing driving.
Preferably, also include that the frequency dividing being connected with described touch-control scan line drives module, be used for: use frequency dividing type of drive that described touch-control scan line is loaded touch scanning signals.In the particular embodiment, on driver' s timing, if driving image element circuit with progressive scan method, then a frame can include initialization period, for storing the storing time intervals of the threshold voltage of data voltage and driving transistor, and light-emitting period.By making initialization period, for storing the storing time intervals of the threshold voltage of data voltage and driving transistor, and the signal frequency change of light-emitting period, drive with realization frequency dividing.
Embodiment described above is only the preferred embodiment lifted by absolutely proving the present invention, and protection scope of the present invention is not limited to this.The equivalent that those skilled in the art are made on the basis of the present invention substitutes or conversion, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1. an oled panel with touch function, including array base palte, described array base palte includes several driving lines being arranged at array base palte front, it is characterized in that: described driving line includes scan control signal line, emissioning controling signal line, power line and data signal line, drive line to be set to touch-control scan line or touch induction lines the part of described array base palte.
There is the oled panel of touch function the most as claimed in claim 1, it is characterised in that
Scan control signal line on array base palte or emissioning controling signal line are set to described touch-control scan line, arrange at the back side of described array base palte and be perpendicular to described scan control signal line or be perpendicular to the data wire in emissioning controling signal line direction as described touch induction lines.
There is the oled panel of touch function the most as claimed in claim 1, it is characterised in that
Data signal line on array base palte or power line are set to described touch-control scan line, arrange at the back side of described array base palte and be perpendicular to described data signal line or be perpendicular to the data wire in described power line direction as described touch induction lines.
There is the oled panel of touch function the most as claimed in claim 1, it is characterised in that the scan control signal line on array base palte is set to described touch-control scan line, emissioning controling signal line is set to touch induction lines；Or the emissioning controling signal line on array base palte is set to described touch-control scan line, scan control signal line is set to touch induction lines.
There is the oled panel of touch function the most as claimed in claim 1, it is characterised in that the data signal line on array base palte is set to described touch-control scan line, power line is set to touch induction lines；Or the power line on array base palte is set to described touch-control scan line, data signal line is set to touch induction lines.
6. the oled panel with touch function as according to any one of claim 25, it is characterised in that described touch induction lines is also connected with driver module, for driving signal to described touch induction lines loaded and displayed.
There is the oled panel of touch function the most as claimed in claim 6, it is characterised in that described touch-control scan line is also connected with timesharing and drives module, be used for using timesharing type of drive that described touch-control scan line is loaded touch scanning signals.
There is the oled panel of touch function the most as claimed in claim 6, it is characterised in that described touch-control scan line is also connected with frequency dividing and drives module, be used for using frequency dividing type of drive that described touch-control scan line is loaded touch scanning signals.
9. a display device, it is characterised in that include the arbitrary described oled panel with touch function of claim 1-8.
10. the manufacture method of an oled panel with touch function, it is characterised in that including: first, drives line to be set to touch-control scan line, or touch induction lines the part of array base palte；
Then, to described touch-control scan line, or touch induction lines load driver signal.
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