CN104078004A - Pixel circuit and display device - Google Patents
Pixel circuit and display device Download PDFInfo
- Publication number
- CN104078004A CN104078004A CN201410274188.9A CN201410274188A CN104078004A CN 104078004 A CN104078004 A CN 104078004A CN 201410274188 A CN201410274188 A CN 201410274188A CN 104078004 A CN104078004 A CN 104078004A
- Authority
- CN
- China
- Prior art keywords
- switch element
- signal line
- switch
- scan signal
- control
- 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.)
- Granted
Links
Classifications
-
- 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]
-
- 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]
- G09G3/3208—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] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—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] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3233—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] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Abstract
The invention provides a pixel circuit and a display device. The pixel circuit comprises two sub-pixel circuits. Each sub-pixel circuit comprises five switch units, a driving unit, an energy storage unit and an electroluminescence unit. The two sub-pixel circuits share the same data voltage wire and multiple scanning signal lines. According to the pixel circuit, working currents flowing through devices of the electroluminescence unit can be free of influence of a threshold voltage of a corresponding driving transistor, and therefore the problem of non-uniform display brightness caused by drift of the threshold voltage of the driving transistor is thoroughly solved. Meanwhile, a compensating circuit is adopted for driving two pixels, and the two adjacent pixels share multiple signal lines, so the number of the signal lines used for the pixel circuit in the display device can be reduced, the cost of an integrated circuit is lowered, the pixel distance is shortened, and the pixel density is increased.
Description
Technical field
The present invention relates to display technique field, relate in particular to a kind of image element circuit and display device.
Background technology
Organic light emitting display (OLED) is one of focus of current flat-panel monitor research field, the advantage such as compared with liquid crystal display, OLED has that low energy consumption, production cost are low, autoluminescence, wide visual angle and fast response time.At present, started to replace traditional liquid crystal (LCD) display screen at demonstration field OLED such as mobile phone, PDA, digital cameras.Pixel-driving circuit design is OLED display core technology content, has important Research Significance.
Utilize stable Control of Voltage brightness different from TFT-LCD (Thin Film Transistor (TFT) liquid crystal display), OLED belongs to current drives, needs stable electric current to control luminous.
Due to the reason such as manufacturing process and device aging, in original 2T1C driving circuit (comprising two Thin Film Transistor (TFT) and an electric capacity), there is unevenness in the threshold voltage of the drive TFT of each pixel, change and make display brightness inequality with regard to having caused flowing through the electric current of each pixel OLED like this, thereby affect the display effect of whole image.
And in prior art, an image element circuit is generally corresponding to a pixel, each image element circuit at least comprises a data pressure-wire, operating voltage line and multi-strip scanning signal wire, so just causes corresponding manufacture craft comparatively complicated, and is unfavorable for dwindling pel spacing.
Summary of the invention
The object of the invention is to solve the problem of display device display brightness inequality, and reduce the signal line number for image element circuit in display device, reduce integrated circuit cost, improve picture element density simultaneously.
To achieve these goals, the invention provides a kind of image element circuit, comprise two sub-pixel circuits;
Each sub-pixel circuits comprises: the first switch element, second switch unit, the 3rd switch element, the 4th switch element, the 5th switch element, driver element, energy-storage units and electroluminescence cell; And,
Each sub-pixel circuits comprises: the first switch element, second switch unit, the 3rd switch element, the 4th switch element, the 5th switch element, driver element, energy-storage units and electroluminescence cell; And,
The first end of the first switch element connects operating voltage line, and the second end of the first switch element connects the input end of driver element, under the control for the scan signal line that accesses at the control end of the first switch element, provides operating voltage to described driver element;
The first end of second switch unit connects operating voltage line, the second end of second switch unit connects the second end of energy-storage units, under the control for the scan signal line that accesses at the control end of second switch unit, the second end of described energy-storage units is set to operating voltage;
The first end of the 3rd switch element connects the input end of driver element, the second end of the 3rd switch element connects the first end of energy-storage units and the control end of driver element, under control for the scan signal line that accesses at the control end of the 3rd switch element, the control end of described driver element is connected with the input end of described driver element, and the voltage of the input end of driver element is discharged and recharged described energy-storage units;
The first end connection data pressure-wire of the 4th switch element, the second end of the 4th switch element connects the second end of energy-storage units, for the voltage of described data voltage line being written under the control of the scan signal line that accesses at the control end of the 3rd switch element to the second end of described energy-storage units;
The first end of the 5th switch element is connected between the output terminal and electroluminescence cell of driver element, the second end ground connection of the 5th switch element, under the control of the scan signal line that accesses at the control end of the 5th switch element by the output head grounding of driver element;
In two sub-pixel circuits, the first end of the 4th switch element connects identical data voltage line, the control end of the first switch element all accesses the first scan signal line, the control end of second switch unit all accesses the second scan signal line, and the control end of the 5th switch element all accesses the 3rd scan signal line; The 3rd switch element of the first sub-pixel circuits and the control end of the 4th switch element all access the 4th scan signal line, and the 3rd switch element of the second sub-pixel circuits and the control end of the 4th switch element all access the 5th scan signal line.
Preferably, described switch element and described driver element are Thin Film Transistor (TFT), the control end of each switch element is the grid of Thin Film Transistor (TFT), the drain electrode that each switch element first end is Thin Film Transistor (TFT), the source electrode that each switch element second end is Thin Film Transistor (TFT); The control end of described driver element is the grid of Thin Film Transistor (TFT); The input end of described driver element is the drain electrode of Thin Film Transistor (TFT), the source electrode that output terminal is Thin Film Transistor (TFT).
Preferably, each Thin Film Transistor (TFT) is N channel-type.
Preferably, described energy-storage units is electric capacity.
Preferably, described electroluminescence cell is Organic Light Emitting Diode.
The invention provides a kind of display device, it is characterized in that, comprise the image element circuit described in above-mentioned any one.
Preferably, in this display device, two sub-pixel circuits of image element circuit lay respectively in two neighbors of same a line.
Preferably, described two neighbors lay respectively at the both sides of described data voltage line.
Preferably, described two neighbors are positioned at the same side of described data voltage line.
The invention provides a kind of image element circuit and display device, image element circuit comprises two sub-pixel circuits, each sub-pixel circuits comprises: five switch elements, driver element, energy-storage units and electroluminescence cells, two sub-pixel circuits are connected to the first identical scan signal line, the second scan signal line, the 4th scan signal line and connect same data voltage line.In image element circuit provided by the invention, the working current of the OLED device of flowing through can not be subject to the impact of the threshold voltage of corresponding driving transistors, has thoroughly solved the problem that causes display brightness inequality due to the threshold voltage shift of driving transistors.In the present invention simultaneously, complete the driving of two pixels with a compensating circuit, two adjacent pixels share many barss circuit, can reduce the signal line number for image element circuit in display device, reduce integrated circuit cost, and reduce pel spacing, improve picture element density.
Brief description of the drawings
The structural representation of the image element circuit that Fig. 1 provides for the embodiment of the present invention;
The sequential chart of key signal in the image element circuit that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the current direction of image element circuit under different sequential and the schematic diagram of magnitude of voltage in the embodiment of the present invention;
The schematic diagram of a kind of position relationship of image element circuit and pixel in the display device that Fig. 4 provides for the embodiment of the present invention;
The schematic diagram of a kind of position relationship of image element circuit and pixel in the display device that Fig. 5 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following examples are only for technical scheme of the present invention is more clearly described, and can not limit the scope of the invention with this.
The embodiment of the present invention provides a kind of image element circuit, as shown in Fig. 1 or Fig. 3, comprising: two sub-pixel circuits P1 and P2 that structure is identical, and each sub-pixel circuits is here corresponding to a pixel; Because the structure of P1 and P2 is identical, below only in conjunction with the structure of P1, two sub-pixel circuits are described;
The P1 here comprises: five switch element T1, T2, T3, T4, T5, a driver element DT, an energy-storage units C, an electroluminescence cell L (distinguishes for convenient, in Fig. 1 or Fig. 3, five switch elements in P2 are expressed as T1 ', T2 ', T3 ', T4 ', T5 ', and driver element is expressed as DT ', energy-storage units is C ', electroluminescence cell is L ', lower same);
The first end of T1 connects operating voltage line V
dd, the second end of T1 connects the input end of DT, under the control for the scan signal line that accesses at the control end of T1, provides operating voltage to described driver element DT;
The first end of T2 connects operating voltage line V
dd, the second end of T2 connects the second end b1 (for P2, the second end of energy-storage units C ' is b2) of C, under the control for the scan signal line that accesses at the control end of T2, the second end b1 of described energy-storage units C is set to operating voltage;
The first end of T3 connects the input end of DT, the second first end a1 of end connection energy-storage units C of T3 and the control end of DT are (for P2, the first end of energy-storage units C ' is a2), under control for the scan signal line that accesses at the control end of T3, the control end of described driver element DT is connected with the input end of described driver element DT, and the voltage of the input end of driver element DT is discharged and recharged described energy-storage units C;
The first end connection data pressure-wire V of T4
data, the second end of T4 connects C the second end b1, under the control of the scan signal line that accesses at the control end of T4 by the voltage V of described data voltage line
databe written to the second end b1 of described energy-storage units C;
The first end of T5 is connected between the output terminal and electroluminescence cell L of DT, the second end ground connection of T5, under the control of the scan signal line that accesses at the control end of T5 by the output head grounding of driver element DT;
And, in two sub-pixel circuits, the first end of the 4th switch element connects identical data voltage line, the control end of the first switch element all accesses the first scan signal line Em2, the control end of second switch unit all accesses the second scan signal line Em1, and the control end of the 5th switch element all accesses the 3rd scan signal line Scan[3]; The 3rd switch element T3 of the first sub-pixel circuits P1 and the control end of the 4th switch element T4 all access the 4th scan signal line Scan[1], the 3rd switch element T3 ' of the second sub-pixel circuits P2 and the control end of the 4th switch element T4 ' all access the 5th scan signal line Scan[2].
Be understandable that, control end is connected to two switch elements of same scan signal line (such as T1 and T1 ', T2 and T2 ', T3 and T4, T3 ' and T4 ', T5 and T5 ') should be the switch of same channel type, be all high level conducting or be all low level conducting, thereby ensure that conducting or the off state of the switch element that is connected to same scan signal line are identical.
In image element circuit provided by the invention, the working current of the electroluminescence cell of flowing through can not be subject to the impact of the threshold voltage of corresponding driving transistors, has thoroughly solved the problem that causes display brightness inequality due to the threshold voltage shift of driving transistors.In the present invention simultaneously, complete the driving of two pixels with a compensating circuit, two adjacent pixels share many barss circuit, can reduce the number of signal line in display device, reduce integrated circuit cost, and reduce pel spacing, improve the picture element density of display device.
Preferably, each switch element and each driver element are Thin Film Transistor (TFT) TFT, the control end of each switch element is the grid of Thin Film Transistor (TFT), the first end of each switch element is the drain electrode of Thin Film Transistor (TFT), the source electrode that the second end of each switch element is Thin Film Transistor (TFT); The control end of described driver element is the grid of Thin Film Transistor (TFT), the drain electrode that the input end of described driver element is Thin Film Transistor (TFT), the source electrode that output terminal is Thin Film Transistor (TFT).
Be understood that, the transistor that transistor corresponding to the driver element here and switch element can exchange for source-drain electrode, or according to the difference of conducting type, the first end of each switch element and driver element may be transistorized drain electrode, the second end is transistorized source electrode, those skilled in the art are not paying under the prerequisite of performing creative labour, each transistor in image element circuit provided by the invention is carried out to the reversal connection of source-drain electrode obtains, can obtain that the same or analogous circuit structure of the technique effect that can reach with technical scheme provided by the invention is same should fall into protection scope of the present invention.
Further, in the embodiment of the present invention, all each Thin Film Transistor (TFT) are N channel-type.Use the transistor of same type, can realize the unification of technological process, thereby improve the yields of product.It will be understood by those skilled in the art that; in actual applications; each transistorized type also can be incomplete same; such as T1 can be N channel transistor; and T2 can be P channel transistor; as long as it is identical to make control end be connected to the ON/OFF state of two switch elements of same scan signal line, can realize the technical scheme that the application provides, the preferred embodiment of the present invention should not be construed as limiting the scope of the present invention.
Preferably, described energy-storage units C is electric capacity.Certainly in practical application, need also to adopt other to there is the element of energy-storage function according to design.
Preferably, described electroluminescence cell L can be Organic Light Emitting Diode (OLED).Certainly in practical application, need also to adopt other to there is the element of electroluminescence function according to design.
The principle of work of the image element circuit preferred embodiment of the invention being provided below in conjunction with Fig. 2 and Fig. 3 is elaborated, while being illustrated in figure 2 image element circuit work provided by the invention, be input to the sequential chart of the sweep signal in each scan signal line, can be divided into double teacher, in Fig. 2, be expressed as reset phase W1, the first discharge regime W2, the second discharge regime W3, compensation saltus step stage W4, glow phase W5, in each stage, the current direction of image element circuit and magnitude of voltage are respectively as shown in Fig. 3 a, Fig. 3 b, Fig. 3 c, Fig. 3 d, Fig. 3 e.For convenience of description, be further elaborated taking each switch element and driver element as N channel-type TFT.
At reset phase W1, as shown in Figure 2, in scan signal line, Scan[1], Scan[2], Scan[3] and EM2 be high level, Em1 is low level, and data voltage V
data=V
1, V
1for the corresponding voltage of Organic Light Emitting Diode L, now, except T2 and T2 ' disconnection, the equal conducting of rest switch, current direction is as shown in the La in Fig. 3 a, and now Vdd divides the a1 end charging to C, and the voltage potential of a1 end is set to V
dd, and charge to the a2 end of C ', the voltage of a end is set to V
dd, simultaneously due to T4 and T4 ' conducting, the voltage that the voltage that b1 is ordered and b2 are ordered is all set to V1.
At the first discharge regime W2, as shown in Figure 2, in scan signal line, Scan[1], Scan[2], Scan[3] be high level, EM2 and Em1 are low level, data voltage V
databe maintained V
1now T1, T2, T1 ', T2 ', all conductings of DT, DT ', other TFT turn-off, current direction is as shown in Lb1 and Lb2 in Fig. 3 b, now two energy-storage units C and C ' are respectively along Lb1 and Lb2 electric discharge, due to the conducting of T5 and T5 ' makes electric current can be by L and L ', indirectly reduced the loss of two electroluminescence cells.After the first discharge regime, b1 point electromotive force and b2 point electromotive force remain unchanged, and a1 point electromotive force and a2 point electromotive force are reduced to respectively V
th1and V
th2, the V here
th1and V
th2be respectively the threshold voltage of DT and DT '.
At the second discharge regime W3, as shown in Figure 2, in scan signal line, Scan[2], Scan[3] be high level, Scan[1], Em1, Em2 be low level, data voltage V
datafor V
2, V
2for the corresponding voltage of Organic Light Emitting Diode L ', now only have T3 ', T4 ' and DT ' conducting in P2, current direction is as shown in the Lc in Fig. 3 c, this process and a upper process are similar, different is the energy-storage units C ' electric discharge that only has P2, and after having discharged, the current potential of b2 end can become V
2, and a2 point maintains V always
th2.
At compensation saltus step stage W4, as shown in Figure 2, in scan signal line, Scan[3] and Em1 be high level, other signal wires are low level, and now only having T2, T5, T2 ', T5 ' is conducting state, and other TFT are off state, current direction is as shown in the Ld in Fig. 3 d, and now, b1 and b2 point meet V
dd(potential change is V
1→ V
dd, V
2→ V
dd), due to a1 and a2 end suspension joint, the equal equivalent saltus step of voltage is realized at energy-storage units C and C ' two ends, and the pressure reduction before C saltus step is V
th1-V
1, the pressure reduction before C ' saltus step is V
th2-V
2, the electromotive force V that after saltus step, a1 is ordered
a1=V
dd+ V
th1-V
1, the electromotive force V that a2 is ordered
a2=V
dd+ V
th2-V
2, this process is that glow phase is prepared.
At glow phase W5, as shown in Figure 2, in scan signal line, only Em2 is high level, and other signal wires are low level, now only T1, T ', DT, DT ' conducting, other TFT turn-off, current direction as shown in the Le in Fig. 3 e, V
ddl and L ' are supplied to induced current, make L and L ' electric discharge.
Known according to saturation current formula, the electric current I of the L that now flows through
l=K (V
gS– V
th1)
2=(V
dd+ V
th1– V
1– V
l– V
th1)
2=K (V
dd– V
1– V
l)
2.
In like manner, I
l'=K (V
dd– V
2– V
l')
2.
Be not subject to the impact of drive transistor threshold voltage by the working current that can see two electroluminescence cells of now flowing through in above formula, only with data voltage V now
datarelevant.Thoroughly solve drive TFT due to manufacturing process and operated and cause threshold voltage (V for a long time
th) problem of drift, eliminate the impact of its electric current on the OLED that flows through, ensure the normal work of electroluminescence cell.
Based on identical design, the present invention also provides a kind of display device, comprises the image element circuit shown in above-mentioned any one.
Preferably, in this display device, two sub-pixel circuits of image element circuit lay respectively in two neighbors of same a line.
Preferably, described two neighbors are positioned at the same side of its corresponding data voltage line, and Fig. 4 shows two neighbors that one of them image element circuit PU is corresponding at its data voltage line V
datathe situation of one side; Or described two neighbors lay respectively at the both sides of its corresponding data voltage line, Fig. 5 shows two neighbors that one of them image element circuit PU is corresponding at its corresponding data voltage line V
datathe situation of both sides.
Display device can be: any product or parts with Presentation Function such as Electronic Paper, mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. an image element circuit, is characterized in that, comprises two sub-pixel circuits;
Each sub-pixel circuits comprises: the first switch element, second switch unit, the 3rd switch element, the 4th switch element, the 5th switch element, driver element, energy-storage units and electroluminescence cell; And,
The first end of the first switch element connects operating voltage line, and the second end of the first switch element connects the input end of driver element, under the control for the scan signal line that accesses at the control end of the first switch element, provides operating voltage to described driver element;
The first end of second switch unit connects operating voltage line, the second end of second switch unit connects the second end of energy-storage units, under the control for the scan signal line that accesses at the control end of second switch unit, the second end of described energy-storage units is set to operating voltage;
The first end of the 3rd switch element connects the input end of driver element, the second end of the 3rd switch element connects the first end of energy-storage units and the control end of driver element, under control for the scan signal line that accesses at the control end of the 3rd switch element, the control end of described driver element is connected with the input end of described driver element, and the voltage of the input end of driver element is discharged and recharged described energy-storage units;
The first end connection data pressure-wire of the 4th switch element, the second end of the 4th switch element connects the second end of energy-storage units, for the voltage of described data voltage line being written under the control of the scan signal line that accesses at the control end of the 4th switch element to the second end of described energy-storage units;
The first end of the 5th switch element is connected between the output terminal and electroluminescence cell of driver element, the second end ground connection of the 5th switch element, under the control of the scan signal line that accesses at the control end of the 5th switch element by the output head grounding of driver element;
And, in two sub-pixel circuits, the first end of the 4th switch element connects identical data voltage line, the control end of the first switch element all accesses the first scan signal line, the control end of second switch unit all accesses the second scan signal line, and the control end of the 5th switch element all accesses the 3rd scan signal line; The 3rd switch element of the first sub-pixel circuits and the control end of the 4th switch element all access the 4th scan signal line, and the 3rd switch element of the second sub-pixel circuits and the control end of the 4th switch element all access the 5th scan signal line.
2. image element circuit as claimed in claim 1, it is characterized in that, each switch element and each driver element are Thin Film Transistor (TFT), the control end of each switch element is the grid of Thin Film Transistor (TFT), the first end of each switch element is the drain electrode of Thin Film Transistor (TFT), the source electrode that the second end of each switch element is Thin Film Transistor (TFT); The control end of each driver element is the grid of Thin Film Transistor (TFT), the drain electrode that the input end of each driver element is Thin Film Transistor (TFT), the source electrode that the output terminal of each driver element is Thin Film Transistor (TFT).
3. image element circuit as claimed in claim 2, is characterized in that, each Thin Film Transistor (TFT) is N channel-type.
4. image element circuit as claimed in claim 1, is characterized in that, described energy-storage units is electric capacity.
5. as the wherein image element circuit as described in any one of claim 1-4, it is characterized in that, described electroluminescence cell is Organic Light Emitting Diode.
6. a display device, is characterized in that, comprises the image element circuit as described in claim 1-5 any one.
7. display device as claimed in claim 6, is characterized in that, two sub-pixel circuits of described image element circuit lay respectively in two neighbors of same a line.
8. display device as claimed in claim 7, is characterized in that, described two neighbors lay respectively at the both sides of described data voltage line.
9. display device as claimed in claim 7, is characterized in that, described two neighbors are positioned at the same side of described data voltage line.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410274188.9A CN104078004B (en) | 2014-06-18 | 2014-06-18 | Image element circuit and display device |
| PCT/CN2014/087581 WO2015192528A1 (en) | 2014-06-18 | 2014-09-26 | Pixel circuit and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410274188.9A CN104078004B (en) | 2014-06-18 | 2014-06-18 | Image element circuit and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104078004A true CN104078004A (en) | 2014-10-01 |
| CN104078004B CN104078004B (en) | 2016-08-31 |
Family
ID=51599231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410274188.9A Active CN104078004B (en) | 2014-06-18 | 2014-06-18 | Image element circuit and display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104078004B (en) |
| WO (1) | WO2015192528A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134426A (en) * | 2014-07-07 | 2014-11-05 | 京东方科技集团股份有限公司 | Pixel structure and driving method thereof, and display device |
| CN104318898A (en) * | 2014-11-11 | 2015-01-28 | 京东方科技集团股份有限公司 | Pixel circuit, driving method and display device |
| WO2016045283A1 (en) * | 2014-09-25 | 2016-03-31 | 京东方科技集团股份有限公司 | Pixel driver circuit, method, display panel, and display device |
| CN106486063A (en) * | 2016-10-26 | 2017-03-08 | 京东方科技集团股份有限公司 | Pixel-driving circuit and its driving method, display floater and display device |
| CN106782309A (en) * | 2017-02-23 | 2017-05-31 | 京东方科技集团股份有限公司 | Pixel-driving circuit, the driving method of pixel-driving circuit and display device |
| WO2018219066A1 (en) * | 2017-05-31 | 2018-12-06 | 京东方科技集团股份有限公司 | Pixel circuit, driving method, display panel, and display device |
| CN112669765A (en) * | 2020-12-25 | 2021-04-16 | 京东方科技集团股份有限公司 | Breakpoint self-repairing pixel driving circuit, driving method and display device |
| CN112820229A (en) * | 2019-11-18 | 2021-05-18 | 乐金显示有限公司 | Display device |
| CN112967684A (en) * | 2021-02-08 | 2021-06-15 | 成都京东方光电科技有限公司 | Pixel circuit, driving method thereof and display device |
| CN117354639A (en) * | 2023-10-12 | 2024-01-05 | 之江实验室 | Omnibearing antagonistic pixel circuit, driving method and detector |
| CN117354639B (en) * | 2023-10-12 | 2024-06-11 | 之江实验室 | Omnibearing antagonistic pixel circuit, driving method and detector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100592636B1 (en) * | 2004-10-08 | 2006-06-26 | 삼성에스디아이 주식회사 | Light emitting display |
| CN101958102A (en) * | 2010-09-15 | 2011-01-26 | 昆山工研院新型平板显示技术中心有限公司 | Active matrix organic light-emitting display with shared data line structure |
| CN102682706A (en) * | 2012-06-06 | 2012-09-19 | 四川虹视显示技术有限公司 | AMOLED (active matrix/organic light emitting diode) pixel driving circuit |
| CN103021338A (en) * | 2012-12-24 | 2013-04-03 | 北京京东方光电科技有限公司 | Pixel circuit, method for driving same and display device |
| CN103474025A (en) * | 2013-09-06 | 2013-12-25 | 京东方科技集团股份有限公司 | Pixel circuit and displayer |
| CN203932065U (en) * | 2014-06-18 | 2014-11-05 | 京东方科技集团股份有限公司 | Image element circuit and display unit |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100722113B1 (en) * | 2004-10-08 | 2007-05-25 | 삼성에스디아이 주식회사 | Light emitting display |
| KR100600346B1 (en) * | 2004-11-22 | 2006-07-18 | 삼성에스디아이 주식회사 | Light emitting display |
| JP2009204664A (en) * | 2008-02-26 | 2009-09-10 | Sony Corp | Display device, method for driving display device and electronic equipment |
| TWI565048B (en) * | 2012-05-22 | 2017-01-01 | 友達光電股份有限公司 | Organic light emitting display unit structure and organic light emitting display unit circuit |
| CN103474024B (en) * | 2013-09-06 | 2015-09-16 | 京东方科技集团股份有限公司 | A kind of image element circuit and display |
-
2014
- 2014-06-18 CN CN201410274188.9A patent/CN104078004B/en active Active
- 2014-09-26 WO PCT/CN2014/087581 patent/WO2015192528A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100592636B1 (en) * | 2004-10-08 | 2006-06-26 | 삼성에스디아이 주식회사 | Light emitting display |
| CN101958102A (en) * | 2010-09-15 | 2011-01-26 | 昆山工研院新型平板显示技术中心有限公司 | Active matrix organic light-emitting display with shared data line structure |
| CN102682706A (en) * | 2012-06-06 | 2012-09-19 | 四川虹视显示技术有限公司 | AMOLED (active matrix/organic light emitting diode) pixel driving circuit |
| CN103021338A (en) * | 2012-12-24 | 2013-04-03 | 北京京东方光电科技有限公司 | Pixel circuit, method for driving same and display device |
| CN103474025A (en) * | 2013-09-06 | 2013-12-25 | 京东方科技集团股份有限公司 | Pixel circuit and displayer |
| CN203932065U (en) * | 2014-06-18 | 2014-11-05 | 京东方科技集团股份有限公司 | Image element circuit and display unit |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134426A (en) * | 2014-07-07 | 2014-11-05 | 京东方科技集团股份有限公司 | Pixel structure and driving method thereof, and display device |
| US9972248B2 (en) | 2014-07-07 | 2018-05-15 | Boe Technology Group Co., Ltd. | Pixel structure and driving method thereof, and display apparatus |
| WO2016045283A1 (en) * | 2014-09-25 | 2016-03-31 | 京东方科技集团股份有限公司 | Pixel driver circuit, method, display panel, and display device |
| US9640109B2 (en) | 2014-09-25 | 2017-05-02 | Boe Technologies Group Co., Ltd. | Pixel driving circuit, pixel driving method, display panel and display device |
| US9734763B2 (en) | 2014-11-11 | 2017-08-15 | Boe Technology Group Co., Ltd. | Pixel circuit, driving method and display apparatus |
| CN104318898A (en) * | 2014-11-11 | 2015-01-28 | 京东方科技集团股份有限公司 | Pixel circuit, driving method and display device |
| WO2016074418A1 (en) * | 2014-11-11 | 2016-05-19 | 京东方科技集团股份有限公司 | Pixel circuit, driving method, and display device |
| CN106486063A (en) * | 2016-10-26 | 2017-03-08 | 京东方科技集团股份有限公司 | Pixel-driving circuit and its driving method, display floater and display device |
| CN106782309A (en) * | 2017-02-23 | 2017-05-31 | 京东方科技集团股份有限公司 | Pixel-driving circuit, the driving method of pixel-driving circuit and display device |
| WO2018153096A1 (en) * | 2017-02-23 | 2018-08-30 | 京东方科技集团股份有限公司 | Pixel driver circuit, driving method for pixel driver circuit, and display device |
| WO2018219066A1 (en) * | 2017-05-31 | 2018-12-06 | 京东方科技集团股份有限公司 | Pixel circuit, driving method, display panel, and display device |
| US10770000B2 (en) | 2017-05-31 | 2020-09-08 | Boe Technology Group Co., Ltd. | Pixel circuit, driving method, display panel and display device |
| CN112820229A (en) * | 2019-11-18 | 2021-05-18 | 乐金显示有限公司 | Display device |
| CN112820229B (en) * | 2019-11-18 | 2024-04-02 | 乐金显示有限公司 | Display device |
| CN112669765A (en) * | 2020-12-25 | 2021-04-16 | 京东方科技集团股份有限公司 | Breakpoint self-repairing pixel driving circuit, driving method and display device |
| CN112669765B (en) * | 2020-12-25 | 2023-03-07 | 京东方科技集团股份有限公司 | Breakpoint self-repairing pixel driving circuit, driving method and display device |
| CN112967684A (en) * | 2021-02-08 | 2021-06-15 | 成都京东方光电科技有限公司 | Pixel circuit, driving method thereof and display device |
| CN117354639A (en) * | 2023-10-12 | 2024-01-05 | 之江实验室 | Omnibearing antagonistic pixel circuit, driving method and detector |
| CN117354639B (en) * | 2023-10-12 | 2024-06-11 | 之江实验室 | Omnibearing antagonistic pixel circuit, driving method and detector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104078004B (en) | 2016-08-31 |
| WO2015192528A1 (en) | 2015-12-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104050919B (en) | Image element circuit and display device | |
| CN104036731B (en) | Image element circuit and display device | |
| CN104078004A (en) | Pixel circuit and display device | |
| CN103021331B (en) | A kind of pixel-driving circuit and driving method, array base palte and display device | |
| CN203982748U (en) | Image element circuit and display device | |
| CN104167168B (en) | Image element circuit and driving method thereof and display device | |
| CN104700782B (en) | OELD image element circuits, display device and control method | |
| CN105185306A (en) | Pixel circuit, driving method for the pixel circuit, display substrate and display apparatus | |
| CN104898887A (en) | In cell touch display screen, driving method thereof and display device | |
| US20130314308A1 (en) | Organic light emitting display unit structure and organic light emitting display unit circuit | |
| CN203982749U (en) | Image element circuit and display device | |
| CN103996377A (en) | Pixel circuit and display device | |
| CN104850270A (en) | Driving method and driving circuit of touch control module set, touch control module set, panel and device | |
| CN104112427A (en) | Pixel circuit, driving method of pixel circuit and display device | |
| CN104318898A (en) | Pixel circuit, driving method and display device | |
| CN104658480A (en) | Pixel circuit, pixel circuit driving method and display device | |
| CN104091562A (en) | Pixel circuit, display panel and display device | |
| CN106325609A (en) | Touch control display device | |
| CN104091820A (en) | Pixel circuit and display device | |
| CN204117568U (en) | Image element circuit and display device | |
| CN104167171A (en) | Pixel circuit and display device | |
| CN104167170B (en) | Image element circuit and driving method thereof and display device | |
| KR102455584B1 (en) | Organic Light Emitting Diode display panel and Organic Light Emitting Diode display device using the same | |
| CN104078003A (en) | Pixel circuit and display device | |
| CN203932065U (en) | Image element circuit and display unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |