CN203288221U - AMOLED pixel circuit and display device - Google Patents
AMOLED pixel circuit and display device Download PDFInfo
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- CN203288221U CN203288221U CN2013203741270U CN201320374127U CN203288221U CN 203288221 U CN203288221 U CN 203288221U CN 2013203741270 U CN2013203741270 U CN 2013203741270U CN 201320374127 U CN201320374127 U CN 201320374127U CN 203288221 U CN203288221 U CN 203288221U
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Abstract
The utility model discloses an AMOLED pixel circuit and a display device, and relates to the field of display technology, and can improve the integrated levels of an in-cell touch-control circuit and an AMOLED drive circuit. The AMOLED pixel circuit comprises a light-emitting module, a touch-control module, a control module, and a drive amplification module. The AMOLED pixel circuit provided by the embodiment of the utility model is used for manufacturing the AMOLED display device.
Description
Technical field
The utility model relates to the display technique field, relates in particular to a kind of AMOLED image element circuit and display device.
Background technology
Progressive rapidly along with display technique, the display device with touch controllable function obtain more and more people's welcome gradually due to the advantage such as its visualized operation that has.Different according to contact panel and display panel relative position, generally can be divided into existing display device with touch controllable function two kinds of surface-type (on cell) contact panel and embedded (in cell) contact panels.Compare with the surface-type contact panel, embedded touch control panel has thinner thickness and higher light transmission rate.
And for existing display device, Organic Light Emitting Diode (Organic Light Emitting Diode, OLED) as a kind of current mode luminescent device, because of its autoluminescence that has, fast response, wide visual angle and can be produced on the first-class characteristics of flexible substrate and be applied to more and more in the middle of high-performance demonstration field.The OLED display device can be divided into PMOLED (Passive Matrix Driving OLED according to the difference of type of drive, passive matrix drives Organic Light Emitting Diode) and AMOLED (Active Matrix Driving OLED, active matrix-driven organic light-emitting diode) two kinds, because having large etc. the advantage of low manufacturing cost, high answer speed, power saving, the direct drive that can be used for portable set, operating temperature range, the AMOLED display is expected to become the novel planar display of future generation that replaces LCD (liquid crystal display, liquid crystal display).Therefore, the AMOLED display panel that has an embedded touch function has obtained more and more people's favor.
In existing AMOLED display panel, each OLED all relies on luminous realization demonstration of driving circuit driving that interior a plurality of TFT (Thin Film Transistor, the thin film transistor (TFT)) switch of pixel cell forms on array base palte.And embedded touch control panel (Touch Screen Panel, be called for short TSP) is to be used for the sensor and the driving circuit that touch, utilizes equally array processes to be produced in each pixel cell on array base palte.If the sensor of TSP and driving circuit are superimposed upon in the AMOLED pixel, need to add the driving circuit TFT of some, thereby need to additionally take the space of certain pixel cell, and in pixel cell, clearance spaces is limited, makes when this has greatly limited embedded touch control panel circuit and AMOLED driving circuit.
The utility model content
Embodiment of the present utility model provides a kind of AMOLED image element circuit and display device, can improve the integrated level of embedded touch circuit and AMOLED driving circuit.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
The one side of the utility model embodiment, provide a kind of AMOLED image element circuit, comprising: light emitting module, touch-control module, control module and drive amplification module;
Described light emitting module, connect respectively described control module and the first voltage end, is used for carrying out luminescence display under the control of described control module;
Described touch-control module, connect respectively described control module and described first signal line, is used for receiving the touching signals of input;
Described control module, also connect described first signal line, secondary signal line, the 3rd signal wire and data line, is used for controlling described light emitting module and described touch-control module according to the input signal of signal wire;
Described drive amplification module, connect respectively described light emitting module, described touch-control module, described control module and second voltage end, is used for driving described light emitting module or amplifying the touching signals that described touch-control module receives.
Further, described light emitting module comprises:
Luminescent device, an end of described luminescent device connects described control module, and its other end connects described the first voltage end.
Further, described control module comprises:
The first transistor, the grid of described the first transistor connects described first signal line, and its first utmost point connects described luminescent device;
Transistor seconds, the grid of described transistor seconds connects described secondary signal line, and its first utmost point connects second utmost point of described the first transistor, and its second utmost point connects described data line;
The 3rd transistor, the described the 3rd transistorized grid connects described the 3rd signal wire, and its first utmost point connects described drive amplification module, and its second utmost point connects described data line;
The 4th transistor, the described the 4th transistorized grid connects described first signal line, and its first utmost point connects second utmost point of described the first transistor, and its second utmost point connects described drive amplification module.
Further, described drive amplification module comprises:
The 5th transistor, the described the 5th transistorized grid connects the described the 3rd transistorized first utmost point, and its first utmost point connects described second voltage end, and its second utmost point connects first utmost point of described transistor seconds;
The 6th transistor, the described the 6th transistorized grid connects the described the 3rd transistorized first utmost point, and its first utmost point connects described second voltage end, and its second utmost point connects the described the 4th transistorized second utmost point;
Memory capacitance, an end of described memory capacitance connects the described the 3rd transistorized first utmost point, and its other end connects described second voltage end.
Wherein, described touch-control module comprises:
The 7th transistor, the described the 7th transistorized grid connects described first signal line, and its first utmost point connects the described the 3rd transistorized first utmost point;
Phototransistor, the described second voltage end of the anodic bonding of described phototransistor, its negative electrode connects the described the 7th transistorized second utmost point.
Perhaps, described touch-control module comprises:
The 7th transistor, the described the 7th transistorized grid connects described first signal line, and its first utmost point connects the described the 3rd transistorized first utmost point;
Induction electrode, described induction electrode is connected with the described the 7th transistorized second utmost point.
Need to prove, it is characterized in that,
Described the first transistor, described transistor seconds, described the 3rd transistor, described the 4th transistor and described the 5th transistor are the N-type transistor, and described the 6th transistor and described the 7th transistor are the P transistor npn npn; Or,
Described the first transistor, described transistor seconds, described the 3rd transistor, described the 4th transistor and described the 5th transistor are the P transistor npn npn, and described the 6th transistor and described the 7th transistor are the N-type transistor.
The utility model embodiment on the other hand, provides a kind of display device, comprises AMOLED image element circuit as above.
AMOLED image element circuit and display device that the utility model embodiment provides,, by integrated embedded touch circuit in the AMOLED image element circuit, make light emitting module and touch-control module share control module and drive amplification module.So, do not increasing on the basis that drives signal, sequential by conditioning signal, embedded touch-control circuit and AMOLED image element circuit are carried out the timesharing driving, thereby greatly improved the integrated level of embedded touch circuit and AMOLED driving circuit, realized when embedded touch control panel circuit and AMOLED driving circuit are in limited pixel cell space making, significantly improved the quality of product, reduced the production difficulty of product.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of a kind of AMOLED image element circuit that Fig. 1 provides for the utility model embodiment;
The electrical block diagram of a kind of AMOLED image element circuit that Fig. 2 provides for the utility model embodiment;
The electrical block diagram of another AMOLED image element circuit that Fig. 3 provides for the utility model embodiment;
Fig. 4 is for driving the signal waveform schematic diagram of a kind of AMOLED image element circuit as shown in Figure 2.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment that obtains, and all belong to the scope of the utility model protection.
The transistor that adopts in all embodiment of the utility model all can be thin film transistor (TFT) or field effect transistor or the identical device of other characteristics, because the transistorized source electrode that adopts here, drain electrode are symmetrical, so its source electrode, drain electrode are as broad as long.In the utility model embodiment, for distinguishing transistor the two poles of the earth except grid, wherein a utmost point is called source electrode, and another utmost point is called drain electrode.In addition, distinguish and transistor can be divided into N-type transistor or P transistor npn npn according to transistorized characteristic, in the utility model embodiment, when adopting the N-type transistor, it first can be extremely source electrode, and second can be extremely drain electrode, when adopting the P transistor npn npn, its first can be extremely the drain electrode, second can be extremely source electrode.
The AMOLED image element circuit that the utility model embodiment provides as shown in Figure 1, comprising: light emitting module 11, touch-control module 12, control module 13 and drive amplification module 14.
Light emitting module 11, link control module 13 and the first voltage end V1, be used for carrying out luminescence display under the control of control module 13 respectively.
Touch-control module 12, link control module 13 and first signal line S1, be used for receiving the touching signals of inputting respectively.
The AMOLED image element circuit that the utility model embodiment provides,, by integrated embedded touch circuit in the AMOLED image element circuit, make light emitting module and touch-control module share control module and drive amplification module.So, do not increasing on the basis that drives signal, sequential by conditioning signal, embedded touch-control circuit and AMOLED image element circuit are carried out the timesharing driving, thereby greatly improved the integrated level of embedded touch circuit and AMOLED driving circuit, realized when embedded touch control panel circuit and AMOLED driving circuit are in limited pixel cell space making, significantly improved the quality of product, reduced the production difficulty of product.
Wherein, the first voltage end V1 can input high level VDD, and second voltage end V2 can input low level VSS.Light emitting module 11 in this AMOLED image element circuit and touch-control module 12 share a data line DATA, and this data line DATA is mainly used in inputting LED control signal or reading touching signals in this AMOLED image element circuit at times.
Concrete, as shown in Figure 2, in the AMOLED image element circuit that the utility model embodiment provides, light emitting module 11 can comprise:
Luminescent device D1, the end link control module 13 of this luminescent device D1, its other end connects the first voltage end V1.
In the utility model embodiment, luminescent device D1 can be that prior art comprises LED (Light Emitting Diode, light emitting diode) or OLED (Organic Light Emitting Diode, Organic Light Emitting Diode) at interior multiple current drives luminescent device.In the utility model embodiment, it is the explanation of carrying out as an example of OLED example.
Further, as shown in Figure 2, control module 13 can comprise:
The first transistor T1, the grid of this first transistor T1 connect first signal line S1, and its first utmost point connects luminescent device D1.
Transistor seconds T2, the grid of this transistor seconds T2 connect secondary signal line S2, and its first utmost point connects second utmost point of the first transistor T1, its second utmost point connection data line DATA.
The grid of the 3rd transistor T 3, the three transistor Ts 3 connects the 3rd signal wire S3, and its first utmost point connects drive amplification module 14, its second utmost point connection data line DATA.
The grid of the 4th transistor T 4, the four transistor Ts 4 connects first signal line S1, and its first utmost point connects second utmost point of the first transistor T1, and its second utmost point connects drive amplification module 14.
In AMOLED image element circuit as shown in Figure 2, drive amplification module 14 can comprise:
The grid of the 5th transistor T 5, the five transistor Ts 5 connects first utmost point of the 3rd transistor T 3, and its first utmost point connects second voltage end V2, and its second utmost point connects first utmost point of transistor seconds T2.
The grid of the 6th transistor T 6, the six transistor Ts 6 connects first utmost point of the 3rd transistor T 3, and its first utmost point connects second voltage end V2, and its second utmost point connects second utmost point of the 4th transistor T 4.
Memory capacitance C1, the end of this memory capacitance C1 connects first utmost point of the 3rd transistor T 3, and its other end connects second voltage end V2.
Further, as shown in Figure 2, touch-control module 12 can comprise:
The grid of the 7th transistor T 7, the seven transistor Ts 7 connects first signal line S1, and its first utmost point connects first utmost point of the 3rd transistor T 3.
Phototransistor D2, the anodic bonding second voltage end V2 of this phototransistor D2, its negative electrode connects second utmost point of the 7th transistor T 7.
Adopt a kind of like this touch-control module 12 of structure, when the user carries out touch control operation, the impact of the shading that the light income of phototransistor D2 will produce when the touch-control due to the user changes, phototransistor D2 will produce different leakage currents according to the difference of light income, can realize accurately the detection of position of touch by the difference of investigating display panel different pixels zone leakage current.
Certainly, the touch-control module 12 in the AMOLED image element circuit that the utility model embodiment provides is not limited to the photosensitizing type touch-control module, and other various known touch-control circuit structures go for the utility model equally.For example, in AMOLED image element circuit as shown in Figure 3, the structure of touch-control module 12 can also comprise:
The grid of the 7th transistor T 7, the seven transistor Ts 7 connects first signal line S1, and its first utmost point connects first utmost point of the 3rd transistor T 3.
Induction electrode C2, this induction electrode C2 is connected with second utmost point of the 7th transistor T 7.
Adopt a kind of like this touch-control module 12 of structure, when the user carries out touch control operation, user's finger or other contactor control devices will and induction electrode C2 between form the inductance capacitance value, can realize accurately the detection of position of touch equally by the position of measuring this inductance capacitance.
In the process of practical application, the touch-control module 12 of above two kinds of structures can be selected according to actual needs equally or substitute.
Need to prove, in the AMOLED image element circuit that the utility model embodiment provides, the first transistor T1, transistor seconds T2, the 3rd transistor T 3, the 5th transistor T 5 and the 6th transistor T 6 all can adopt the N-type transistor, and the 4th transistor T 4 and 7 of the 7th transistor Ts can be the P transistor npn npn simultaneously.Perhaps, the first transistor T1, transistor seconds T2, the 3rd transistor T 3, the 5th transistor T 5 and the 6th transistor T 6 all can adopt the P transistor npn npn, and the 4th transistor T 4 and 7 of the 7th transistor Ts can be the N-type transistor simultaneously.
In the utility model embodiment, all to adopt the N-type transistor with the first transistor T1, transistor seconds T2, the 3rd transistor T 3, the 5th transistor T 5 and the 6th transistor T 6, it is the explanation that example is carried out that the 4th transistor T 4 and the 7th transistor T 7 adopt the P transistor npn npn, can expect, when above transistorized type change, by the current potential height of corresponding change control signal, can realize equally identical driving effect.
The AMOLED image element circuit of a kind of like this structure that employing the utility model embodiment provides, can not increase on the basis that drives signal, sequential by conditioning signal, embedded touch-control circuit and AMOLED image element circuit are carried out the timesharing driving, thereby greatly improved the integrated level of embedded touch circuit and AMOLED driving circuit, realized when embedded touch control panel circuit and AMOLED driving circuit are in limited pixel cell space making, significantly improve the quality of product, reduced the production difficulty of product.
The utility model embodiment also provides a kind of display device, comprises organic light emitting display, other displays etc.Described display device comprises any one AMOLED image element circuit as above.Described display device can comprise a plurality of AMOLED pixel unit array, and each AMOLED pixel cell comprises any one AMOLED image element circuit as above.The identical beneficial effect of image element circuit that provides with the utility model previous embodiment is provided,, because image element circuit has been described in detail in the aforementioned embodiment, repeats no more herein.
Concrete, the display device that the utility model embodiment provides can be the display device with current drives luminescent device that comprises light-emitting diode display or OLED display.
The display device that the utility model embodiment provides, comprise the AMOLED image element circuit,, by integrated embedded touch circuit in the AMOLED image element circuit, makes light emitting module and touch-control module share control module and drive amplification module.So, do not increasing on the basis that drives signal, sequential by conditioning signal, embedded touch-control circuit and AMOLED image element circuit are carried out the timesharing driving, thereby greatly improved the integrated level of embedded touch circuit and AMOLED driving circuit, realized when embedded touch control panel circuit and AMOLED driving circuit are in limited pixel cell space making, significantly improved the quality of product, reduced the production difficulty of product.
The AMOLED pixel circuit drive method that the utility model embodiment provides, the various AMOLED image element circuits that can be applied to provide in previous embodiment comprise:
S101, close light emitting module, data line input initialization signal, control module is according to described initializing signal initialization touch-control module and drive amplification module.
S102, touch-control module receive touching signals.
S103, close touch-control module, the drive amplification module is amplified touching signals to export data line to.
S104, close light emitting module, the data-signal of data line input by control module to the drive amplification module pre-charge.
S105, close touch-control module, open light emitting module, drive amplification module drive light emitting module is realized luminescence display.
The AMOLED pixel circuit drive method that the utility model embodiment provides,, by integrated embedded touch circuit in the AMOLED image element circuit, make light emitting module and touch-control module share control module and drive amplification module.So, do not increasing on the basis that drives signal, sequential by conditioning signal, embedded touch-control circuit and AMOLED image element circuit are carried out the timesharing driving, thereby greatly improved the integrated level of embedded touch circuit and AMOLED driving circuit, realized when embedded touch control panel circuit and AMOLED driving circuit are in limited pixel cell space making, significantly improved the quality of product, reduced the production difficulty of product.
Below the AMOLED pixel circuit drive method that the utility model embodiment provided as an example of AMOLED image element circuit shown in Figure 2 example be elaborated, wherein, can be as shown in Figure 4 for the timing waveform of the pieces of data signal wire that drives this AMOLED image element circuit.Need to prove, in the utility model embodiment, the grid of the first transistor T1, the 4th transistor T 4 and the 7th transistor T 7 all connects first signal line S1, input signal S1_n; The grid of transistor seconds T4 connects secondary signal line S2, input signal S2_n; The grid of the 3rd transistor T 3 connects the 3rd signal wire S3, input signal S3_n.
In AMOLED image element circuit as shown in Figure 2, all to adopt the N-type transistor with the first transistor T1, transistor seconds T2, the 3rd transistor T 3, the 5th transistor T 5 and the 6th transistor T 6, it is the explanation that example is carried out that the 4th transistor T 4 and the 7th transistor T 7 adopt the P transistor npn npn, can expect, when above transistorized type change, by the current potential height of corresponding change control signal, can realize equally identical driving effect.
Concrete, the AMOLED pixel circuit drive method that the utility model embodiment provides specifically can comprise:
Initial phase (INITIAL): under this stage, signal S1_n is low level, and signal S2_n and S3_n are high level.At this moment, luminescent device D1 is closed in the first transistor T1 cut-off, the 7th transistor T 7 conductings, with the grid of touch-control module 12 access the 5th transistor Ts 5 and the grid of the 6th transistor T 6, memory capacitance C1 is as the memory capacitance of the 5th transistor T 5 and the 6th transistor T 6, transistor seconds T2, the 3rd transistor T 3 and the 4th equal conducting of transistor T 4, data line DATA input initialization signal VINI, with this initializing signal of memory capacitance C1 preliminary filling VINI.
So, by the initialization to touch-control module 12, can be with memory capacitance C1 preliminary filling initializing signal VINI, thus can guarantee that in the next stage, transistor T 5 works in the saturation amplification state.
The touch-control stage (PHOTO): under this stage, signal S1_n, S2_n and S3_n are low level.At this moment, transistor seconds T2 and the 3rd transistor T 3 cut-offs, touch-control module 12 receives touching signals.
Wherein, the structure of touch-control module 12 can be as shown in Figure 2, this touch-control module 12 comprises phototransistor D2, adopt a kind of like this touch-control module 12 of structure, when the user carries out touch control operation, the impact of the shading that the light income of phototransistor D2 will produce when the touch-control due to the user changes, and phototransistor D2 will produce different leakage currents according to the difference of light income, can realize accurately the detection of position of touch by the difference of investigating display panel different pixels zone leakage current.
Certainly, the touch-control module 12 in the AMOLED image element circuit that the utility model embodiment provides is not limited to the photosensitizing type touch-control module, and other various known touch-control circuit structures go for the utility model equally.For example, the structure of touch-control module 12 can also be as shown in Figure 3, this touch-control module 12 comprises induction electrode C2, adopt a kind of like this touch-control module 12 of structure, when the user carries out touch control operation, user's finger or other contactor control devices will and induction electrode C2 between form the inductance capacitance value, can realize accurately the detection of position of touch equally by the position of measuring this inductance capacitance.
In the process of practical application, the touch-control module 12 of above two kinds of structures can be selected according to actual needs equally or substitute.
Concrete can be take the photosensitizing type touch-control module as example, the touch-control stage is described in detail.When the 3rd transistor T 3 and the 4th transistor T 4 cut-off, the touch condition of phototransistor D2 detection display panel.During by user's finger touch, external light source can't shine phototransistor D2 when display panel, and the light income of D2 is less, and the photoinduction leakage current of this moment is less, and PHOTO stage memory capacitance C1 voltage is because the level that electric leakage produces changes also less; When display panel was not touched, external light source can shine phototransistor D2, and the light income of D2 is more, produced larger photoinduction leakage current, and PHOTO stage memory capacitance C1 voltage changes because electric leakage produces larger level.Therefore, if be touched, the relative initial voltage variation of the grid voltage of amplifier transistor is little; If be not touched, the relative initial voltage variation of the grid voltage of amplifier transistor is large.
Fetch phase (READ): under this stage, signal S1_n and S3_n are low level, and signal S2_n is high level.At this moment, transistor seconds T2 and the 4th transistor T 4 conductings, the first transistor T1 and the 3rd transistor T 3 cut-offs, make touch-control module 12 close, and the 5th transistor T 5 and the 6th transistor T 6 amplify its grid voltage to output to data line DATA.
So, data line DATA is used as the touch-control sense wire of output voltage as a result at this moment, and amplifier transistor T5 and T6 amplify its grid voltage to output to data line DATA, thereby the touch-control result are exported to the touching signals reading circuit that is arranged at the display panel periphery.
The course of work that above 3 stages are the touch controllable function circuit, by detecting touch signal and reading, thereby realize touch controllable function.
Write phase (WRITE): under this stage, signal S1_n, S2_n and S3_n are high level.At this moment, the 7th transistor T 7 cut-offs, transistor seconds T2 and the 3rd equal conducting of transistor T 3, the GTG electric current of data line DATA input is with the grid of the grid of the 5th transistor T 5, the 6th transistor T 6 and memory capacitance C1 charging.
Because AMOLED is current driving element, data line DATA input GTG electric current I
DATA, the grid of the 5th transistor T 5 and the connection that is connected, the grid of the 6th transistor T 6 and the connection that is connected, at process I
DATAAfter charging, transistor T 5 and T6 all are in state of saturation.I
DATA=I
DS1+ I
DS2, I wherein
DS1Be the 5th transistor T 5 drain saturation currents, I
DS2Be the 6th transistor T 6 drain saturation currents.I
DATAFor the pixel charging current, added by the driving circuit of periphery, memory capacitance C1 is recharged.
So I
DS2/ I
DS1=k
2/ k
1, wherein T1 is the transistor of different channel widths from T2, and its current coefficient is respectively k1 and k2, and wherein T1 is the transistor of different channel widths from T2, and its current coefficient is respectively k1 and k2,
V
GSCommon gate source voltage for T1 and T2.
Glow phase (OLED): under this stage, signal S2_n and S3_n are low level, and signal S1_n is high level.At this moment, transistor seconds T2, the 3rd transistor T 3 and the 4th transistor T 4 cut-offs, the first transistor T1 conducting, the 5th transistor T 5 works in saturation region, drives luminescent device D1 and realizes luminescence display.
Concrete, the 5th transistor T 5 leakage currents
The 6th transistor T 6 leakage current I '
DS2=0,
I
OLEDFor flowing through the electric current of OLED, and
Therefore,
I
OLEDFor being proportional to I
DATAElectric current, and, by selecting k1 and k2 value, can make I
DATAAnd I
OLEDFor larger electric current pantograph ratio is just arranged.Finally, in this image element circuit, charging current I
DATAWith drive current I
OLEDHas larger pantograph ratio
Guaranteeing I
OLEDIn in the OLED current margin, larger charging current I can be arranged
DATA, the charging rate of quickening memory capacitance C1.Make D1 luminous until next frame.
Need to prove, above is only also take AMOLED image element circuit shown in Figure 2 as example, the explanation that the AMOLED pixel circuit drive method that the utility model embodiment is provided carries out.The AMOLED pixel circuit drive method that the utility model embodiment provides goes for AMOLED image element circuit as shown in Figure 3 equally, and concrete process can, with reference to above-described embodiment, repeat no longer one by one.
The AMOLED pixel circuit drive method of a kind of like this structure that employing the utility model embodiment provides, can not increase on the basis that drives signal, sequential by conditioning signal, embedded touch-control circuit and AMOLED image element circuit are carried out the timesharing driving, thereby greatly improved the integrated level of embedded touch circuit and AMOLED driving circuit, realized when embedded touch control panel circuit and AMOLED driving circuit are in limited pixel cell space making, significantly improve the quality of product, reduced the production difficulty of product.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be completed by the hardware that programmed instruction is correlated with, aforesaid program can be stored in a computer read/write memory medium, this program when carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: the various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (8)
1. an AMOLED image element circuit, is characterized in that, comprising: light emitting module, touch-control module, control module and drive amplification module;
Described light emitting module, connect respectively described control module and the first voltage end, is used for carrying out luminescence display under the control of described control module;
Described touch-control module, connect respectively described control module and first signal line, is used for receiving the touching signals of input;
Described control module, also connect described first signal line, secondary signal line, the 3rd signal wire and data line, is used for controlling described light emitting module and described touch-control module according to the input signal of signal wire;
Described drive amplification module, connect respectively described light emitting module, described touch-control module, described control module and second voltage end, is used for driving described light emitting module or amplifying the touching signals that described touch-control module receives.
2. AMOLED image element circuit according to claim 1, is characterized in that, described light emitting module comprises:
Luminescent device, an end of described luminescent device connects described control module, and its other end connects described the first voltage end.
3. AMOLED image element circuit according to claim 2, is characterized in that, described control module comprises:
The first transistor, the grid of described the first transistor connects described first signal line, and its first utmost point connects described luminescent device;
Transistor seconds, the grid of described transistor seconds connects described secondary signal line, and its first utmost point connects second utmost point of described the first transistor, and its second utmost point connects described data line;
The 3rd transistor, the described the 3rd transistorized grid connects described the 3rd signal wire, and its first utmost point connects described drive amplification module, and its second utmost point connects described data line;
The 4th transistor, the described the 4th transistorized grid connects described first signal line, and its first utmost point connects second utmost point of described the first transistor, and its second utmost point connects described drive amplification module.
4. AMOLED image element circuit according to claim 3, is characterized in that, described drive amplification module comprises:
The 5th transistor, the described the 5th transistorized grid connects the described the 3rd transistorized first utmost point, and its first utmost point connects described second voltage end, and its second utmost point connects first utmost point of described transistor seconds;
The 6th transistor, the described the 6th transistorized grid connects the described the 3rd transistorized first utmost point, and its first utmost point connects described second voltage end, and its second utmost point connects the described the 4th transistorized second utmost point;
Memory capacitance, an end of described memory capacitance connects the described the 3rd transistorized first utmost point, and its other end connects described second voltage end.
5. AMOLED image element circuit according to claim 4, is characterized in that, described touch-control module comprises:
The 7th transistor, the described the 7th transistorized grid connects described first signal line, and its first utmost point connects the described the 3rd transistorized first utmost point;
Phototransistor, the described second voltage end of the anodic bonding of described phototransistor, its negative electrode connects the described the 7th transistorized second utmost point.
6. AMOLED image element circuit according to claim 4, is characterized in that, described touch-control module comprises:
The 7th transistor, the described the 7th transistorized grid connects described first signal line, and its first utmost point connects the described the 3rd transistorized first utmost point;
Induction electrode, described induction electrode is connected with the described the 7th transistorized second utmost point.
7. according to claim 5 or 6 described AMOLED image element circuits, is characterized in that,
Described the first transistor, described transistor seconds, described the 3rd transistor, described the 5th transistor and described the 6th transistor are the N-type transistor, and described the 4th transistor and described the 7th transistor are the P transistor npn npn; Or,
Described the first transistor, described transistor seconds, described the 3rd transistor, described the 5th transistor and described the 6th transistor are the P transistor npn npn, and described the 4th transistor and described the 7th transistor are the N-type transistor.
8. a display device, is characterized in that, comprises as arbitrary described AMOLED image element circuit in claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203741270U CN203288221U (en) | 2013-06-26 | 2013-06-26 | AMOLED pixel circuit and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203741270U CN203288221U (en) | 2013-06-26 | 2013-06-26 | AMOLED pixel circuit and display device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325341A (en) * | 2013-06-26 | 2013-09-25 | 京东方科技集团股份有限公司 | AMOLED pixel circuit, and driving method and display device of AMOLED pixel circuit |
| CN103325342A (en) * | 2013-06-26 | 2013-09-25 | 京东方科技集团股份有限公司 | AMOLED pixel circuit and driving method and display device of AMOLED pixel circuit |
| WO2014205944A1 (en) * | 2013-06-26 | 2014-12-31 | 京东方科技集团股份有限公司 | Amoled pixel circuit, drive method of same, and display device |
| CN105741772A (en) * | 2016-05-16 | 2016-07-06 | 上海天马微电子有限公司 | OLED (Organic Light Emitting Diode) display device, driving method and driving circuit thereof |
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2013
- 2013-06-26 CN CN2013203741270U patent/CN203288221U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325341A (en) * | 2013-06-26 | 2013-09-25 | 京东方科技集团股份有限公司 | AMOLED pixel circuit, and driving method and display device of AMOLED pixel circuit |
| CN103325342A (en) * | 2013-06-26 | 2013-09-25 | 京东方科技集团股份有限公司 | AMOLED pixel circuit and driving method and display device of AMOLED pixel circuit |
| WO2014206036A1 (en) * | 2013-06-26 | 2014-12-31 | 京东方科技集团股份有限公司 | Amoled pixel circuit and drive method therefor, and display apparatus |
| WO2014205944A1 (en) * | 2013-06-26 | 2014-12-31 | 京东方科技集团股份有限公司 | Amoled pixel circuit, drive method of same, and display device |
| WO2014206033A1 (en) * | 2013-06-26 | 2014-12-31 | 京东方科技集团股份有限公司 | Amoled pixel circuit and drive method therefor, and display apparatus |
| US9423902B2 (en) | 2013-06-26 | 2016-08-23 | Chengdu Boe Optoelectronics Technology Co. Ltd. | AMOLED pixel circuit, a driving method thereof and a display device |
| US9696843B2 (en) | 2013-06-26 | 2017-07-04 | Chengdu Boe Optoelectronics Technology Co., Ltd. | AMOLED pixel circuit, a driving method thereof and a display device |
| CN105741772A (en) * | 2016-05-16 | 2016-07-06 | 上海天马微电子有限公司 | OLED (Organic Light Emitting Diode) display device, driving method and driving circuit thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131113 Effective date of abandoning: 20151209 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |