CN110010021A - Inorganic light-emitting diode display base plate, display device and driving method - Google Patents
Inorganic light-emitting diode display base plate, display device and driving method Download PDFInfo
- Publication number
- CN110010021A CN110010021A CN201910343450.3A CN201910343450A CN110010021A CN 110010021 A CN110010021 A CN 110010021A CN 201910343450 A CN201910343450 A CN 201910343450A CN 110010021 A CN110010021 A CN 110010021A
- Authority
- CN
- China
- Prior art keywords
- touch
- emitting diode
- inorganic light
- electrode
- drive circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
Abstract
The present invention provides a kind of inorganic light-emitting diode display base plate, display device and driving method, which includes: underlay substrate；The drive circuit layer being set on underlay substrate, drive circuit layer include driving thin film transistor (TFT), the first liner and the second liner, and the source electrode of thin film transistor (TFT) or drain electrode is driven to connect with the first liner；The inorganic light-emitting diode being set in drive circuit layer, inorganic light-emitting diode include anode and cathode, and anode is electrically connected with the first liner, and cathode is electrically connected with the second liner；Further include: the first signal wire in touch-driven electrode, touch-driven electrode and drive circuit layer is multiplexed.In the present invention, the integration of inorganic light-emitting diode display device display function and touch function is realized, while the signal wire in touch-driven electrode multiplexing drive circuit layer reduces process costs without additional manufacturing process.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of inorganic light-emitting diode display base plate, display device and
Driving method.
Background technique
Inorganic light-emitting diode (such as Micro LED) has higher efficiency, more with respect to Organic Light Emitting Diode (OLED)
Low-power consumption, higher reliability, it is possible to as following new display product.Existing inorganic light-emitting diode mostly uses transfer
Technology is formed onto the substrate with driving circuit, is driven inorganic light-emitting diode to realize by driving circuit and is shone and show.
Touch function is the function of current most display device indispensabilities, how simultaneous on inorganic light-emitting diode display device
Hold touch function to be a problem to be solved.
Summary of the invention
In view of this, the present invention provides a kind of inorganic light-emitting diode display base plate, display device and driving method, it is used for
Realize the integration of inorganic light-emitting diode display device display function and touch function.
In order to solve the above technical problems, the present invention provides a kind of inorganic light-emitting diode display base plate, comprising:
Underlay substrate；
The drive circuit layer being set on the underlay substrate, the drive circuit layer include driving thin film transistor (TFT), the
One liner and the second liner, the source electrode of the driving thin film transistor (TFT) or drain electrode are connected with first liner；
The inorganic light-emitting diode being set in the drive circuit layer, the inorganic light-emitting diode include anode and yin
Pole, the anode are electrically connected with first liner, and the cathode is electrically connected with second liner；
Further include:
The first signal wire in touch-driven electrode, the touch-driven electrode and the drive circuit layer is multiplexed.
Optionally, first signal wire is selected from first voltage signal wire, reference potential signal wire, data line and scan line
One of them.
Optionally, the inorganic light-emitting diode display base plate further include:
Second signal line in touch-control sensing electrode, the touch-control sensing electrode and the drive circuit layer is multiplexed.
Optionally, the second signal line selection is from first voltage signal wire, reference potential signal wire, data line and scan line
One of them.
Optionally, the touch-driven electrode and the touch-control sensing electrode are located at the adjacent inorganic light-emitting diode
Between, the orthographic projection of the touch-driven electrode and the touch-control sensing electrode on the underlay substrate and the inorganic light-emitting
Orthographic projection of the diode on the underlay substrate is not overlapped.
The present invention also provides a kind of inorganic light-emitting diode display devices, including inorganic light-emitting diode display base plate and use
In the encapsulation cover plate for encapsulating the inorganic light-emitting diode display base plate, inorganic light-emitting diode display base plate, comprising:
Underlay substrate；
The drive circuit layer being set on the underlay substrate, the drive circuit layer include driving thin film transistor (TFT), the
One liner and the second liner, the source electrode of the driving thin film transistor (TFT) or drain electrode are connected with first liner；
The inorganic light-emitting diode being set in the drive circuit layer, the inorganic light-emitting diode include anode and yin
Pole, the anode are electrically connected with first liner, and the cathode is electrically connected with second liner；
Further include:
The first signal wire in touch-driven electrode, the touch-driven electrode and the drive circuit layer is multiplexed.
Optionally, the inorganic light-emitting diode display device further include:
Second signal line in touch-control sensing electrode, the touch-control sensing electrode and the drive circuit layer is multiplexed.
Optionally, the inorganic light-emitting diode display device further include:
Touch-control sensing electrode, the touch-control sensing electrode are set on the encapsulation cover plate.
The present invention also provides a kind of driving method, it is applied to above-mentioned touch-driven electrode and touch-control sensing electrode and signal
The inorganic light-emitting diode display device of line multiplexing, comprising:
The time of one frame picture is divided into display time interval and touch-control period, in the display time interval, Xiang Suoshu touch-control is driven
Moving electrode and touch-control sensing electrode input display signal, in the touch-control period, Xiang Suoshu touch-driven electrode and the touching
It controls induction electrode and inputs touch-control signal.
The embodiment of the present invention also provides a kind of driving method, is multiplexed applied to above-mentioned only touch-driven electrode and signal wire
Inorganic light-emitting diode display device, comprising:
The time of one frame picture is divided into display time interval and touch-control period, in the display time interval, Xiang Suoshu touch-control is driven
Moving electrode inputs display signal, in the touch-control period, Xiang Suoshu touch-driven electrode and touch-control sensing electrode input
Touch-control signal.
The advantageous effects of the above technical solutions of the present invention are as follows:
In the embodiment of the present invention, mutual capacitance type touch technology is integrated on inorganic light-emitting diode display base plate, is realized inorganic
The integration of light emitting display device display function and touch function, meanwhile, in touch-driven electrode and drive circuit layer
Signal wire multiplexing, without additional manufacturing process, reduces process costs, can also reduce inorganic light-emitting diode display base plate
Thickness.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the inorganic light-emitting diode display base plate of one embodiment of the invention；
Fig. 2 is the structural schematic diagram of the inorganic light-emitting diode display base plate of another embodiment of the present invention；
Fig. 3 is the touch-driven electrode of the embodiment of the present invention and the structural schematic diagram of touch-control sensing electrode；
Fig. 4 is the structural schematic diagram of the inorganic light-emitting diode display device of one embodiment of the invention；
Fig. 5 is the touch-driven electrode of another embodiment of the present invention and the structural schematic diagram of touch-control sensing electrode；
Fig. 6 is the structural schematic diagram of the backboard driving circuit of the embodiment of the present invention；
Fig. 7 and Fig. 8 is the timing diagram of the driving signal of the backboard driving circuit of the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill
Personnel's every other embodiment obtained, shall fall within the protection scope of the present invention.
Fig. 1 and Fig. 2 are please referred to, the embodiment of the present invention provides a kind of inorganic light-emitting diode display base plate, comprising:
Underlay substrate 101；
The drive circuit layer being set on the underlay substrate 101, the drive circuit layer include driving thin film transistor (TFT)
T, the first liner (Pad) 1111 and the second liner 1112, the first pole 1091 of the driving thin film transistor (TFT) and first lining
Pad 1111 connects；First pole 1091 is source electrode or the drain electrode of the driving thin film transistor (TFT)；
The inorganic light-emitting diode 20 being set in the drive circuit layer, the inorganic light-emitting diode 20 include anode
21 and cathode 22, the anode 21 be electrically connected with first liner 1111, and the cathode 22 and second liner 1112 are electric
Connection；
Touch-driven electrode 30, the touch-driven electrode 30 are multiplexed with the first signal wire in the drive circuit layer.
In the embodiment of the present invention, mutual capacitance type touch technology is integrated on inorganic light-emitting diode display base plate, is realized inorganic
The integration of light emitting display device display function and touch function, meanwhile, in touch-driven electrode and drive circuit layer
Signal wire multiplexing, without additional manufacturing process, reduces process costs, can also reduce inorganic light-emitting diode display base plate
Thickness.
In the embodiment of the present invention, the underlay substrate 101 can be glass substrate etc..
In some embodiments of the invention, the structure of the drive circuit layer may refer to the driving shown in attached drawing 1
Circuit layer may include:
Buffer layer 102, the buffer layer 102 can be formed using SiNx (silicon nitride) or SiO2 (silica), alternatively,
The composite film of SiNx and SiO2 is formed.
Active layer 103；The active layer 103 can be formed using a-Si, and thickness is about
First gate insulation layer 104, the first gate insulation layer 104 can be formed using SiO2 or SiNx or SiNx and SiO2
Composite film formed.When using composite film, SiO2 thickness is aboutThe thickness of SiNx is about
First barrier metal layer, first barrier metal layer include grid 105；First barrier metal layer can be using Mo etc.
Metal is formed, and thickness is about
Second gate insulation layer 106, the second gate insulation layer 106 can be formed using SiNx.The thickness of second gate insulation layer 106
About
Second barrier metal layer 107, second barrier metal layer 107 are used to form the electrode of the capacitor in drive circuit layer,
First barrier metal layer can be formed using metals such as Mo, and thickness is aboutCertainly, of the invention some other
In embodiment, the electrode of capacitor can not also use grid metal to be formed, but be formed using other metals.
Interlayer dielectric layer 108, the interlayer dielectric layer 108 can be formed using SiO2 or SiNx, or using SiNx and
The composite film of SiO2 is formed.When using composite film, the thickness of SiO2 is aboutThe thickness of SiNx is about
Source and drain metal level, the Source and drain metal level include first electrode 1091, second electrode 1092 and VSS signal wire
1093, the first electrode 1091 with first voltage signal wire for connecting, the first electrode 1091 and second electrode 1092
One of them is source electrode, another for drain electrode.The Source and drain metal level can be formed using Ti/Al/Ti composite film, wherein multiple
The thickness of each film layer can be in conjunction film layer
Flatness layer 110；Flatness layer 110 can be formed using resin.
First liner 1111 and the second substrate 1112, the first liner 1111 and the second substrate 1112 are for binding inorganic light-emitting
Diode, the first liner 1111 are connect with the first pole 1091；Second liner 1112 is connect with VSS signal wire 1093；First liner
1111 and second substrate 1112 can be formed using ITO/Ag/ITO composite film, the thickness of each film layer can be in composite film
Passivation layer 112, passivation layer 112 can be formed using SiNx, and thickness is aboutThe passivation layer is used
It is protected in the electrode to inorganic light-emitting diode.
Black matrix 113, the black matrix 113 can be formed using resin material.The black matrix is used for antireflection.
Above-mentioned driving thin film transistor (TFT) T includes: active layer 103, grid 105, first electrode 1091 and second electrode 1092,
Above-mentioned driving includes that transistor T is top gate type thin film transistor, certainly, can also be in some other embodiment of the invention
For bottom gate thin film transistor.
In embodiment shown in Fig. 2, (the dotted rectangle A in Fig. 2 is the driving electricity in drive circuit layer to drive circuit layer
The a part on road) it specifically includes:
First liner 1111 and the second liner 1112；
The drain electrode of driving thin film transistor (TFT) T is connect by the via hole 1113 in insulating layer 110 with the first liner 1111, from
And it is connect with the anode of inorganic light-emitting diode 20 21；
VSS signal wire 1093 is connect by the via hole in insulating layer 110 with the second liner 1112；
Insulating layer 110 and passivation layer 112 are used to that each conductive film layer is isolated.Certainly, above-mentioned Fig. 1 and Fig. 2 is only some realities
The structural schematic diagram of the inorganic light-emitting diode display base plate in example is applied, the inorganic light-emitting diode in the embodiment of the present invention is shown
The structure of substrate is not limited to this.
In the embodiment of the present invention, optionally, first signal wire is selected from first voltage signal wire, reference potential signal
One of line, data line and scan line.
Wherein, first voltage signal wire is for providing the signal wire of power supply signal to inorganic light-emitting diode, with reference to electricity
Position signal wire is provides the signal wire of reference potential to inorganic light-emitting diode.The first voltage signal wire for example can be
VDD signal line, reference potential signal wire are, for example, Vint signal wire.
In some other embodiment of the invention, the inorganic light-emitting diode display base plate can also include: touch-control
Induction electrode, the touch-control sensing electrode can be multiplexed with the second signal line in the drive circuit layer, to further drop
Low process costs reduce the thickness of inorganic light-emitting diode display base plate.
In the embodiment of the present invention, optionally, the second signal line selection is from first voltage signal wire, reference potential signal
One of line, data line and scan line.
For example, first voltage signal wire and reference potential signal wire square crossing insulation set, the touch-control driving
Electrode can be multiplexed with first voltage signal wire, and the touch-control sensing electrode can be multiplexed with reference potential signal wire.
Referring to FIG. 3, Fig. 3 is the touch-driven electrode of one embodiment of the invention and the structural representation of touch-control sensing electrode
Figure, from figure 3, it can be seen that 40 square crossing insulation set of touch-driven electrode 30 and touch-control sensing electrode, touch-control driving electricity
The first signal wire in pole 30 and drive circuit layer is multiplexed, and the second signal line in touch-control sensing electrode and drive circuit layer is multiple
With from figure 3, it can be seen that a plurality of first signal wire is connected to form a touch-driven electrode 30, a plurality of second signal line phase
Even form a touch-control sensing electrode 40.Touch-driven electrode 30 is connected with signal lead 31, touch-control sensing electrode 40 and signal
Cabling 41 is connected.
In the embodiment of the present invention, referring to FIG. 2, preferably, the touch-driven electrode 30 and the touch-control sensing electrode
(not shown go out) between the adjacent inorganic light-emitting diode 20, the touch-driven electrode 30 and the touch-control sensing
Electrode on the underlay substrate 101 orthographic projection and the inorganic light-emitting diode 20 on the underlay substrate 101 just
Projection is not overlapped, in this way, the signal of touch-driven electrode 30 and touch-control sensing electrode would not be shielded by inorganic light-emitting diode.
Inorganic light-emitting diode in above-described embodiment can be micro LED or mini LED etc..
The embodiment of the present invention also provides a kind of inorganic light-emitting diode display device, including the nothing in any of the above-described embodiment
Machine diode displaying substrate and encapsulation cover plate for encapsulating the inorganic light-emitting diode display base plate.
In the various embodiments described above, touch-driven electrode and touch-control sensing electrode can be respectively provided with inorganic light-emitting diode and show
Inside substrate, certainly, in some other embodiment of the invention, touch-control sensing electrode can also be not provided in inorganic light-emitting two
Inside pole pipe display base plate.
Fig. 4 and Fig. 5 are please referred to, the embodiment of the present invention also provides a kind of inorganic light-emitting diode display device, comprising:
Inorganic light-emitting diode display base plate, the inorganic light-emitting diode display base plate include:
Underlay substrate 101；The drive circuit layer being set on the underlay substrate 101, the drive circuit layer include driving
Dynamic thin film transistor (TFT), the first liner 1111 and the second liner 1112 and touch-driven electrode 30, the driving thin film transistor (TFT)
First pole 1091 is connect with first liner 1111；In one end and the drive circuit layer of second liner 1112
VSS signal wire 1093 is connected；
The inorganic light-emitting diode 20 being set in the drive circuit layer, the inorganic light-emitting diode 20 include anode
21 and cathode 22, the anode 21 be electrically connected with first liner 1111, the cathode 22 and 1112 companies of the second liner
It connects；
Touch-driven electrode 30, the touch-driven electrode 30 are multiplexed with the first signal wire in the drive circuit layer；
For encapsulating the encapsulation cover plate 50 of the inorganic light-emitting diode display base plate；
Touch-control sensing electrode 40 is set on the encapsulation cover plate 50.
In the embodiment of the present invention, touch-control sensing electrode 40 is not provided with inside inorganic light-emitting diode display base plate, but
It is set on encapsulation cover plate 50.
Optionally, first signal wire is selected from first voltage signal wire, reference potential signal wire, data line and scan line
One of them.
Optionally, the touch-driven electrode is between the adjacent inorganic light-emitting diode, the touch-control driving
Electrode is not weighed in the orthographic projection on the underlay substrate with orthographic projection of the inorganic light-emitting diode on the underlay substrate
It is folded.
The embodiment of the present invention also provides a kind of production method of inorganic light-emitting diode display base plate, comprising:
Underlay substrate is provided；
Drive circuit layer is formed on the underlay substrate, the drive circuit layer includes driving thin film transistor (TFT), first
Liner and the second liner, the first pole of the driving thin film transistor (TFT) and first liner connect；Described first extremely source electrode
Or drain electrode；
Inorganic light-emitting diode is transferred in the drive circuit layer, the inorganic light-emitting diode includes anode and yin
Pole, the anode are electrically connected with first liner, and the cathode is electrically connected with second liner；
The method also includes:
Touch-driven electrode is formed, the first signal wire in the touch-driven electrode and the drive circuit layer is multiplexed.
Optionally, first signal wire is selected from first voltage signal wire, reference potential signal wire, data line and scan line
One of them.
Optionally, the production method of the inorganic light-emitting diode display base plate further include:
Touch-control sensing electrode is formed, the second signal line in the touch-control sensing electrode and the drive circuit layer is multiplexed.
Optionally, the second signal line selection is from first voltage signal wire, reference potential signal wire, data line and scan line
One of them.
Optionally, the touch-driven electrode and the touch-control sensing electrode are located at the adjacent inorganic light-emitting diode
Between, the orthographic projection of the touch-driven electrode and the touch-control sensing electrode on the underlay substrate and the inorganic light-emitting
Orthographic projection of the diode on the underlay substrate is not overlapped.
By taking inorganic light-emitting diode display base plate shown in FIG. 1 as an example, to the inorganic light-emitting diode of the embodiment of the present invention
The production method of substrate is illustrated.
The production method of the substrate of inorganic light-emitting diode shown in FIG. 1 includes:
Step S11: underlay substrate 101 is provided；
Step S12: buffer layer 102 is formed on underlay substrate 101；The buffer layer 102 can use SiNx or SiO2
It is formed, alternatively, the composite film of SiNx and SiO2 is formed.
Step S13: active layer 103 is formed；The active layer 103 can be formed using a-Si, and thickness is about
Step S14: forming the first gate insulation layer 104, and the first gate insulation layer 104 can be formed using SiO2 or SiNx, or
The composite film of person SiNx and SiO2 are formed.When using composite film, SiO2 thickness is aboutThe thickness of SiNx
About
Step S15: the first barrier metal layer is formed, first barrier metal layer includes grid 105；First barrier metal layer
It can be formed using metals such as Mo, thickness is about
Step S16: forming the second gate insulation layer 106, and the second gate insulation layer 106 can be formed using SiNx.Second gate is exhausted
The thickness of edge layer 106 is about
Step S17: forming the second barrier metal layer 107, and second barrier metal layer 107 is used to form in drive circuit layer
The electrode of capacitor, first barrier metal layer can be formed using metals such as Mo, and thickness is aboutCertainly, in the present invention
Some other embodiment in, the electrode of capacitor can not also use grid metal to be formed, but be formed using other metals.
Step S18: forming interlayer dielectric layer (LID) 108, and the interlayer dielectric layer 108 can use SiO2 or SiNx shape
At, or the composite film of SiNx and SiO2 is used to be formed.When using composite film, the thickness of SiO2 is aboutThe thickness of SiNx is about
Step S19: forming Source and drain metal level, and the Source and drain metal level includes first electrode 1091, second electrode 1092, and
VSS signal wire 1093, the first electrode 1091 with first voltage signal wire for connecting, the first electrode 1091 and second
One of them is source electrode to electrode 1092, another for drain electrode.The Source and drain metal level can be formed using Ti/Al/Ti composite film,
Wherein, the thickness of each film layer can be in composite film
Step S20: flatness layer (PLN) 110 is formed；Flatness layer 110 can be formed using resin.
Step S22: forming the first liner 1111 and the second substrate 1112, and the first liner 1111 and the second substrate 1112 are used for
Inorganic light-emitting diode is bound, the first liner 1111 is connect with the first pole 1091；Second liner 1112 connects with VSS signal wire 1093
It connects；First liner 1111 and the second substrate 1112 can be formed using ITO/Ag/ITO composite film, each film layer in composite film
Thickness can be
Step S23: passivation layer 112 is formed；Passivation layer 112 can be formed using SiNx, and thickness is about
The passivation layer is for protecting the electrode of inorganic light-emitting diode.
Step S24: forming black matrix 113, and the black matrix 113 can be formed using resin material.The black matrix is used
In antireflection.
Step S25: inorganic light-emitting diode 20 is transferred in drive circuit layer, and the inorganic light-emitting diode 20 includes
Anode 21 and cathode 22, the anode 21 are electrically connected with first liner 1111, the cathode 22 and second liner
1112 electrical connections.
The embodiment of the present invention also provides a kind of driving method, is applied to above-mentioned touch-driven electrode and touch-control sensing electrode is equal
It is multiplexed the inorganic light-emitting diode display device of the signal wire of inorganic light-emitting diode display base plate, which includes:
Step S31: being divided into display time interval and touch-control period for the time of a frame picture, in the display time interval, to institute
State touch-driven electrode and touch-control sensing electrode input display signal, in the touch-control period, Xiang Suoshu touch-driven electrode
Touch-control signal is inputted with the touch-control sensing electrode.
Fig. 6 and Fig. 7 are please referred to, Fig. 6 is the backboard driving of the inorganic light-emitting diode display device of one embodiment of the invention
The schematic diagram of circuit, Fig. 7 are the timing diagram of the driving signal of the inorganic light-emitting diode display device of one embodiment of the invention.
The backboard driving circuit of the embodiment of the present invention is segmented into two parts, and a part is current control module, a part
For duration control module, current control module is responsible for passing through for being responsible for the compensated saturated circuit of output, duration control module
The gray-scale intensity of time integral control inorganic light-emitting diode.
Current control module includes: capacitor C1, thin film transistor (TFT) T1, T2, T3, T4, T5 and T6, wherein the one of capacitor C1
End is connect with node P2, and the other end is connect with first voltage signal wire (VDD in Fig. 6)；The grid and RST (reset signal) of T1
Signal wire connection, the first pole are connect with node P3, and the second pole is connect with Vint signal wire；The grid and GateA signal wire of T2 connects
It connects, the first pole is connect with P5 node, and the second pole is connect with Vdata_1 (gray scale voltage) signal wire；The grid and GateA signal of T3
Line connection, the first pole are connect with P3 node, and the second pole is connect with P4 node；The grid of T4 is connect with P2 node, the first pole and P4
Node connection, the second pole is connect with P5 node；The grid of T5 is connect with EM (signal of control opening time) signal wire, the first pole
It is connect with P5 node, the second pole is connect with first voltage signal wire；The grid of T6 is connect with EM signal wire, the first pole and P4 node
Connection, the second pole is connect with the T8 of duration control module.
Duration control module includes: thin film transistor (TFT) T7, T8, capacitor C2 and inorganic light-emitting diode L；Wherein, the grid of T7
Pole is connect with GateB signal wire, and the first pole is connect with P1 node, the second pole and Vdata_T (the data electricity of time control signal
Pressure) signal wire connection；The grid of T8 is connect with P1 node, and the first pole is connect with inorganic light-emitting diode L, and the second pole and T8 connect
It connects；One end of capacitor C2 is connect with node P1, and the other end is connect with public voltage signal line, the anode of inorganic light-emitting diode L
It is connect with T8, cathode is connect with VSS signal wire.
Please refer to Fig. 7 and Fig. 8, in Fig. 7 and embodiment shown in Fig. 8, touch-driven electrode (TX1, TX2, TX3 ...) with
First voltage signal wire (VDD1, VDD2, VDD3 ...) multiplexing, touch-control sensing electrode (RX1, RX2, RX3 ...) and Vint believe
The multiplexing of number line (Vint1, Vint2, Vint3 ...), can be by the frame picture (scan1, scan2, scan3 ...) in Fig. 7
It is divided into display time interval and touch-control period, in the touch-control period, touch-driven electrode progressive scan, in different moments input touch-control driving
Signal, touch-control sensing electrode each column successively acquire inductive signal.In the touch-control period, EM and the necessary high level of RST signal guarantee touching
Control signal does not interfere with display effect.
The embodiment of the present invention also provides a kind of driving method, is applied to above-mentioned only touch-driven electrode and is multiplexed inorganic light-emitting
The inorganic light-emitting diode display device of the signal wire of diode display base plate, the driving method include:
Step S41: being divided into display time interval and touch-control period for the time of a frame picture, in the display time interval, to institute
State touch-driven electrode input display signal, in the touch-control period, Xiang Suoshu touch-driven electrode and the touch-control sensing
Electrode inputs touch-control signal.
Unless otherwise defined, technical term or scientific term used in the present invention are should be in fields of the present invention
The ordinary meaning that personage with general technical ability is understood." first ", " second " used in the present invention and similar word
It is not offered as any sequence, quantity or importance, and is used only to distinguish different component parts." connection " or " connected "
It is not limited to physics or mechanical connection etc. similar word, but may include electrical connection, either directly
Or it is indirect."upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when the absolute position for being described object
After setting change, then the relative positional relationship also correspondingly changes.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of inorganic light-emitting diode display base plate, comprising:
Underlay substrate；
The drive circuit layer being set on the underlay substrate, the drive circuit layer include driving thin film transistor (TFT), the first lining
Pad and the second liner, the source electrode of the driving thin film transistor (TFT) or drain electrode are connected with first liner；
The inorganic light-emitting diode being set in the drive circuit layer, the inorganic light-emitting diode include anode and cathode,
The anode is electrically connected with first liner, and the cathode is electrically connected with second liner；
It is characterized by further comprising:
The first signal wire in touch-driven electrode, the touch-driven electrode and the drive circuit layer is multiplexed.
2. inorganic light-emitting diode display base plate as described in claim 1, which is characterized in that first signal wire is selected from the
One of one voltage signal line, reference potential signal wire, data line and scan line.
3. inorganic light-emitting diode display base plate as described in claim 1, which is characterized in that further include:
Second signal line in touch-control sensing electrode, the touch-control sensing electrode and the drive circuit layer is multiplexed.
4. inorganic light-emitting diode display base plate as claimed in claim 3, which is characterized in that the second signal line selection is from
One of one voltage signal line, reference potential signal wire, data line and scan line.
5. inorganic light-emitting diode display base plate as claimed in claim 3, which is characterized in that the touch-driven electrode and institute
Touch-control sensing electrode is stated between the adjacent inorganic light-emitting diode, the touch-driven electrode and the touch-control sensing
Electrode is not weighed in the orthographic projection on the underlay substrate with orthographic projection of the inorganic light-emitting diode on the underlay substrate
It is folded.
6. a kind of inorganic light-emitting diode display device, which is characterized in that including two pole of inorganic light-emitting as described in claim 1
Pipe display base plate and encapsulation cover plate for encapsulating the inorganic light-emitting diode display base plate.
7. inorganic light-emitting diode display device as claimed in claim 6, which is characterized in that further include:
Second signal line in touch-control sensing electrode, the touch-control sensing electrode and the drive circuit layer is multiplexed.
8. inorganic light-emitting diode display device as claimed in claim 6, which is characterized in that further include:
Touch-control sensing electrode, the touch-control sensing electrode are set on the encapsulation cover plate.
9. a kind of driving method, which is characterized in that it is applied to inorganic light-emitting diode display device as claimed in claim 7,
Include:
The time of one frame picture is divided into display time interval and touch-control period, in the display time interval, Xiang Suoshu touch-control driving electricity
Pole and touch-control sensing electrode input display signal, in the touch-control period, Xiang Suoshu touch-driven electrode and the touch-control sense
Electrode is answered to input touch-control signal.
10. a kind of driving method, which is characterized in that it is applied to inorganic light-emitting diode display device as claimed in claim 8,
Include:
The time of one frame picture is divided into display time interval and touch-control period, in the display time interval, Xiang Suoshu touch-control driving electricity
Pole inputs display signal, and in the touch-control period, Xiang Suoshu touch-driven electrode and the touch-control sensing electrode input touch-control
Use signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910343450.3A CN110010021A (en) | 2019-04-26 | 2019-04-26 | Inorganic light-emitting diode display base plate, display device and driving method |
| PCT/CN2020/082057 WO2020216000A1 (en) | 2019-04-26 | 2020-03-30 | Inorganic light-emitting diode display substrate and display device, and drive method and manufacturing method for inorganic light-emitting diode display substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910343450.3A CN110010021A (en) | 2019-04-26 | 2019-04-26 | Inorganic light-emitting diode display base plate, display device and driving method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110010021A true CN110010021A (en) | 2019-07-12 |
Family
ID=67174384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910343450.3A Pending CN110010021A (en) | 2019-04-26 | 2019-04-26 | Inorganic light-emitting diode display base plate, display device and driving method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110010021A (en) |
| WO (1) | WO2020216000A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111653212A (en) * | 2020-06-10 | 2020-09-11 | 武汉华星光电技术有限公司 | Micro light-emitting diode display panel, manufacturing method thereof and display device |
| CN111752407A (en) * | 2020-06-02 | 2020-10-09 | 上海天马微电子有限公司 | Light-emitting substrate, display module and display device |
| WO2020216000A1 (en) * | 2019-04-26 | 2020-10-29 | 京东方科技集团股份有限公司 | Inorganic light-emitting diode display substrate and display device, and drive method and manufacturing method for inorganic light-emitting diode display substrate |
| CN114089867A (en) * | 2021-11-30 | 2022-02-25 | 长沙惠科光电有限公司 | Touch display panel and display device |
| AU2021203983B2 (en) * | 2019-07-31 | 2022-08-11 | Boe Technology Group Co., Ltd. | Display substrate and preparation method thereof, display panel, and display device |
| US11462589B2 (en) | 2018-02-09 | 2022-10-04 | Beijing Boe Technology Development Co., Ltd. | Pixel arrangement structure, display method and preparing method of pixel arrangement structure, and display substrate |
| US11574960B2 (en) | 2018-02-09 | 2023-02-07 | Boe Technology Group Co., Ltd. | Pixel arrangement structure, display substrate, display device and mask plate group |
| WO2023103091A1 (en) * | 2021-12-11 | 2023-06-15 | 武汉华星光电半导体显示技术有限公司 | Micro light-emitting diode touch-control display panel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207720A (en) * | 2013-03-29 | 2013-07-17 | 北京京东方光电科技有限公司 | Method and device for controlling touch display panel, and display device |
| US20150130726A1 (en) * | 2013-11-08 | 2015-05-14 | Samsung Display Co., Ltd. | Organic light-emitting diode (oled) display |
| US20180095559A1 (en) * | 2016-09-30 | 2018-04-05 | Semiconductor Energy Laboratory Co., Ltd. | Display Panel, Display Device, Input/Output Device, and Data Processing Device |
| CN109062459A (en) * | 2018-07-31 | 2018-12-21 | 友达光电股份有限公司 | Capacitive touch display device and driving method thereof |
| CN109213360A (en) * | 2017-07-07 | 2019-01-15 | 鸿富锦精密工业（深圳）有限公司 | Miniature LED touch-control display panel |
| CN109346507A (en) * | 2018-11-09 | 2019-02-15 | 京东方科技集团股份有限公司 | OLED touch display substrate, production method, driving method and display device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110010021A (en) * | 2019-04-26 | 2019-07-12 | 京东方科技集团股份有限公司 | Inorganic light-emitting diode display base plate, display device and driving method |
-
2019
- 2019-04-26 CN CN201910343450.3A patent/CN110010021A/en active Pending
-
2020
- 2020-03-30 WO PCT/CN2020/082057 patent/WO2020216000A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103207720A (en) * | 2013-03-29 | 2013-07-17 | 北京京东方光电科技有限公司 | Method and device for controlling touch display panel, and display device |
| US20150130726A1 (en) * | 2013-11-08 | 2015-05-14 | Samsung Display Co., Ltd. | Organic light-emitting diode (oled) display |
| US20180095559A1 (en) * | 2016-09-30 | 2018-04-05 | Semiconductor Energy Laboratory Co., Ltd. | Display Panel, Display Device, Input/Output Device, and Data Processing Device |
| CN109213360A (en) * | 2017-07-07 | 2019-01-15 | 鸿富锦精密工业（深圳）有限公司 | Miniature LED touch-control display panel |
| CN109062459A (en) * | 2018-07-31 | 2018-12-21 | 友达光电股份有限公司 | Capacitive touch display device and driving method thereof |
| CN109346507A (en) * | 2018-11-09 | 2019-02-15 | 京东方科技集团股份有限公司 | OLED touch display substrate, production method, driving method and display device |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11462589B2 (en) | 2018-02-09 | 2022-10-04 | Beijing Boe Technology Development Co., Ltd. | Pixel arrangement structure, display method and preparing method of pixel arrangement structure, and display substrate |
| US11574960B2 (en) | 2018-02-09 | 2023-02-07 | Boe Technology Group Co., Ltd. | Pixel arrangement structure, display substrate, display device and mask plate group |
| US11957019B2 (en) | 2018-02-09 | 2024-04-09 | Boe Technology Group Co., Ltd. | Pixel arrangement structure, display method and preparing method of pixel arrangement structure, and display substrate |
| WO2020216000A1 (en) * | 2019-04-26 | 2020-10-29 | 京东方科技集团股份有限公司 | Inorganic light-emitting diode display substrate and display device, and drive method and manufacturing method for inorganic light-emitting diode display substrate |
| AU2021203983B2 (en) * | 2019-07-31 | 2022-08-11 | Boe Technology Group Co., Ltd. | Display substrate and preparation method thereof, display panel, and display device |
| US11735108B2 (en) | 2019-07-31 | 2023-08-22 | Boe Technology Group Co., Ltd. | Display substrate and preparation method thereof, display panel, and display device |
| US11908410B2 (en) | 2019-07-31 | 2024-02-20 | Boe Technology Group Co., Ltd. | Display substrate and preparation method thereof, display panel, and display device |
| CN111752407A (en) * | 2020-06-02 | 2020-10-09 | 上海天马微电子有限公司 | Light-emitting substrate, display module and display device |
| CN111653212A (en) * | 2020-06-10 | 2020-09-11 | 武汉华星光电技术有限公司 | Micro light-emitting diode display panel, manufacturing method thereof and display device |
| CN111653212B (en) * | 2020-06-10 | 2021-09-24 | 武汉华星光电技术有限公司 | Micro light-emitting diode display panel, manufacturing method thereof and display device |
| CN114089867A (en) * | 2021-11-30 | 2022-02-25 | 长沙惠科光电有限公司 | Touch display panel and display device |
| WO2023103091A1 (en) * | 2021-12-11 | 2023-06-15 | 武汉华星光电半导体显示技术有限公司 | Micro light-emitting diode touch-control display panel |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020216000A1 (en) | 2020-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110010021A (en) | Inorganic light-emitting diode display base plate, display device and driving method | |
| CN107342370B (en) | Display panel and display device | |
| US11362076B2 (en) | Display module and system applications | |
| JP7311562B2 (en) | Display device | |
| CN106406622B (en) | OLED touch control display apparatus | |
| CN110021635A (en) | Display equipment with integrated touch screen | |
| CN108021282B (en) | Electronic device with force touch function | |
| CN205645814U (en) | Organic luminous display panel | |
| CN107168578B (en) | In-cell touch display panel and preparation method thereof, display device | |
| CN107026191B (en) | OLED display device and control method thereof | |
| CN105047609B (en) | Organic LED array substrate and preparation method thereof, touch control display apparatus | |
| US10516014B2 (en) | Touch OLED display panel and display apparatus | |
| CN110007794B (en) | Display device with integrated touch screen | |
| CN110147179A (en) | A kind of touch display substrate and preparation method thereof, touch control display apparatus | |
| CN109782959A (en) | Touch display screen, driving method and display device | |
| CN104898322A (en) | Display device and driving method thereof | |
| CN108803932A (en) | Pixel circuit, array substrate, display panel and its driving method | |
| CN109782965A (en) | Touch display substrate and display device | |
| CN113434054A (en) | Display panel and display device | |
| CN109725765A (en) | Display equipment and its manufacturing method with integrated touch screen | |
| CN116437719A (en) | Light emitting display device | |
| CN117637759A (en) | Light-emitting display device | |
| CN109597249A (en) | Display panel | |
| KR20190066394A (en) | Display device with integrated touch screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |