CN105427811B - A kind of organic light emitting display panel and electronic equipment - Google Patents

A kind of organic light emitting display panel and electronic equipment Download PDF

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Publication number
CN105427811B
CN105427811B CN201510988406.XA CN201510988406A CN105427811B CN 105427811 B CN105427811 B CN 105427811B CN 201510988406 A CN201510988406 A CN 201510988406A CN 105427811 B CN105427811 B CN 105427811B
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pixel
transistor
driving circuit
organic light
light emitting
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CN105427811A (en
Inventor
王志良
陈娴
王志军
李晓晔
钱栋
熊志勇
罗丽媛
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Tianma Microelectronics Co Ltd
Shanghai Tianma AM OLED Co Ltd
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Tianma Microelectronics Co Ltd
Shanghai Tianma AM OLED Co Ltd
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/22Control 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
    • G09G3/30Control 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
    • G09G3/32Control 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]
    • G09G3/3208Control 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]
    • G09G3/3275Details of drivers for data electrodes
    • G09G3/3291Details of drivers for data electrodes in which the data driver supplies a variable data voltage for setting the current through, or the voltage across, the light-emitting elements
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/22Control 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
    • G09G3/30Control 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
    • G09G3/32Control 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]
    • G09G3/3208Control 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]
    • G09G3/3266Details of drivers for scan electrodes

Abstract

A kind of organic light emitting display panel of present invention offer and a kind of electronic equipment, including:Multiple row pixel, each column pixel are connect with same data line, and each column pixel includes at least first pixel and second pixel;Wherein, data line provides data voltage for pixel, and the first pixel includes the first driving circuit, and the second pixel includes the second driving circuit, and the first driving circuit and the second driving circuit are different.The problem of organic light emitting display panel provided by the invention and electronic equipment can weaken vertical crosstalk, obtains better display effect.

Description

A kind of organic light emitting display panel and electronic equipment
Technical field
The present invention relates to organic light emitting display technical fields, aobvious more particularly, to a kind of organic light emission improving vertical crosstalk Show panel and electronic equipment.
Background technology
Organic light emitting display (Organic Light-Emitting Display, OLED) panel, also known as organic electric shock Light display panel, because there is organic light emitting display panel self luminous characteristic, the very thin coating of organic material of use to work as electric current When passing through organic material, organic material will shine, and the angle of organic light emitting display panel is big, and can significantly save Electric energy is saved, thus organic light emitting display panel has many traditional display panels, for example liquid crystal display panel is incomparable Advantage.
Vertical crosstalk phenomenon in organic light emitting display panel passes through experimental verification, organic light emitting display face than more serious The vertical crosstalk origin cause of formation of plate substantially there are two types of, be that vertical crosstalk and data line cause caused by the pressure drop on power input line respectively Vertical crosstalk.Vertical crosstalk caused by data line is principal element at present, is needed to improve, at present in organic light emitting display In the circuit design of panel, without effectively Improving Measurements, merely by two layers of gold medal in reduction organic light emitting display panel Belong to the overlapping area of wiring, to reduce crosstalk, but this mode is very limited to the decrease of vertical crosstalk phenomenon.
Invention content
In order to solve the problems, such as that vertical crosstalk in organic light emitting display panel, the present invention provide a kind of organic light emitting display face Plate, including:Multiple row pixel, each column pixel are connect with same data line, and each column pixel include at least first pixel and One the second pixel;Wherein, data line provides data voltage for pixel, and the first pixel includes the first driving circuit, the second pixel Including the second driving circuit, the first driving circuit and the second driving circuit are different.
The present invention also provides a kind of electronic equipment, including organic light emitting display panel as described above.
The problem of organic light emitting display panel provided by the invention and electronic equipment can weaken vertical crosstalk obtains more preferable Display effect.
Description of the drawings
Fig. 1 is the display picture view that a kind of organic light emitting display panel generates vertical crosstalk;
Fig. 2 is a kind of schematic top plan view of organic light emitting display panel provided by the invention;
Fig. 3 is a kind of equivalent circuit diagram of first driving circuit provided by the invention;
Fig. 4 is the driver' s timing figure of the first driving circuit shown in Fig. 3;
Fig. 5 is a kind of equivalent circuit diagram of second driving circuit provided by the invention;
Fig. 6 is the driver' s timing figure of the second driving circuit shown in Fig. 5;
Fig. 7 is the driving circuit link block schematic diagram of the organic light emitting display panel of the present invention;
Fig. 8 is that the driving circuit of the organic light emitting display panel of the present invention connects equivalent schematic.
Specific implementation mode
In order to be explained in greater detail the present invention technology contents, spy lift specific embodiment and coordinate appended by illustrate as Under, but the following drawings and specific implementation mode are not limitation of the present invention, are had in any technical field usual Skill, without departing from the spirit and scope of the present invention, when can make some changes and embellishment, therefore the protection model of the present invention It encloses when subject to those as defined in claim.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Organic light emitting display panel generally existing vertical crosstalk, mainly since the voltage on data line is in a frame time It changes and generates.Pixel in organic light emitting display panel is usually arranged in array, for the pixel in same row, By same data line input data voltage, when data line becomes the data voltage for each pixel input being connected thereto When change, the problem of just will produce vertical crosstalk, illustrate below for a typical example, is white when needing picture to be shown When a black rectangle under color background, the problem of due to vertical crosstalk, it can be shown than week above and below black rectangle The dark grey of edge margin color can be the display picture that a kind of organic light emitting display panel generates vertical crosstalk with reference chart 1, Fig. 1 Schematic diagram, the signal that the picture that Fig. 1 is shown is inputted are to show a black rectangle (see shadow part in Fig. 1 in white background 10) grey (in such as Fig. 1 dash area 20) more dark than periphery white can be shown above and below black rectangle by dividing, with In figure for 2 points parallel of A, B, when scanning to pixel column where 2 points of A, B, data line can be same to 2 the input phases of A, B The signal being displayed in white, but when scanning is to black rectangle, the voltage of the data voltage of A points corresponding data line input increases (or reduction), and the signal of the corresponding data line input of B points is constant, since the pixel in same row is connected by same data line It is connected together, therefore, the data voltage that (or reduction) is increased on the corresponding data line of A points generates crosstalk to the pixel of A points, causes A points are dimmed, and the signal of B points corresponding data line input is constant, therefore will not be had an impact to B points, thus A can slightly secretly in B.The influence of this vertical crosstalk terminates until the black rectangle end of scan, can be substantially returned to just to the display of A points Often, but the brightness of human eye perception is average value in certain time, so macroscopic view picture seen by person is exactly A points secretly in B points.
In view of this, the present invention provides a kind of organic light emitting display panel, including:Multiple row pixel, each column pixel with it is same Data line connects, and each column pixel includes at least first pixel and second pixel;Wherein, data line carries for pixel For data voltage, the first pixel includes the first driving circuit, and the second pixel includes the second driving circuit, the first driving circuit and the Two driving circuits are different.With specific reference to Fig. 2, Fig. 2 is a kind of schematic top plan view of organic light emitting display panel provided by the invention, As shown in Fig. 2, the present invention provides a kind of organic light emitting display panel 100, including:Multiple row pixel PL, each column pixel PL with it is same Data line DL connections, and each column pixel PL includes at least first pixel A and second pixel B;Wherein, data line DL Data voltage is provided for pixel PL, the first pixel A includes the first driving circuit (being not shown in Fig. 2), and the second pixel B includes second Driving circuit (is not shown) in Fig. 2, and the first driving circuit and the second driving circuit are different, and each pixel PL further includes one organic Light-emitting component (is not shown) in Fig. 2, and organic illuminating element is driven by driving circuit and shone, and luminous intensity is by inputting pixel PL In data voltage and driving circuit determine, therefore, the organic illuminating element in the first pixel A is driven by the first driving circuit It shines, the organic illuminating element in the second pixel B is driven by the second driving circuit and shone, due to the first driving circuit and second Driving circuit is different, the problem of can alleviating vertical crosstalk.Specifically, the brightness of the first pixel A and data voltage positive correlation, the The brightness of two pixel Bs is negatively correlated with data voltage, that is to say, that the data voltage of the first pixel A more high brightness is higher, the second picture The data voltage of plain B more high brightness is lower, for being similar to vertical cross talk problems shown in FIG. 1, is connected on same data line DL Pixel intensity when getting higher, the data voltage of the first pixel A can increase, but the data voltage of the second pixel B can reduce, part number The influence that the influence heel part data voltage to other pixels is reduced to other pixels is increased according to voltage to support to a certain extent Disappear, therefore can achieve the purpose that alleviate vertical crosstalk.
A kind of first driving circuit and a kind of second driving circuit are introduced individually below, with reference to figure 3, Fig. 4, Fig. 5 and Fig. 6, Fig. 3 is a kind of equivalent circuit diagram of first driving circuit provided by the invention, and Fig. 4 is the driving of the first driving circuit shown in Fig. 3 Sequence diagram, Fig. 5 are a kind of equivalent circuit diagram of second driving circuit provided by the invention, and Fig. 6 is the second driving circuit shown in Fig. 5 Driver' s timing figure.
As shown in Figure 3 and Figure 4, within the T1 periods, the first scanning signal SCAN<n-1>Controlling transistor M2 and transistor M5 is opened, luminous signal EMIT<n>Controlling transistor M6 is opened, and transistor Mdr1 gate nodes N1 can be made to reset;In T2 Between in section, capture (detecting) threshold value, at the end of this stage, the current potential of node N1 is Vdd+Vth, and wherein Vdd is supply voltage PVDD, Vth are the threshold voltage of transistor Mdr1, and the current potential of node N2 is Vdata1, and Vdata1 is the first data voltage, is used for Drive the first pixel light emission;Within the T3 periods, by the gate node N1 of the first data voltage Vdata1 writing transistors Mdr1, Using capacitive coupling, N1 current potentials are Vdd+Vth+Vref1-Vdata1, and Vref1 is the first reference voltage, i.e. the first driving circuit Corresponding reference voltage;Within the T4 periods, the T4 periods are glow phase, and the glow current of organic illuminating element is I=k (Vref1-Vdata1) ^2, k are coefficient, and the brightness of organic illuminating element is related to glow current, and glow current is bigger, and brightness is got over Vref1 is arranged in height<Vdata1, therefore, the brightness of the organic illuminating element in the first pixel and the first data voltage Vdata1 are just It is related.
The first driving circuit shown in Fig. 3 is specifically described below, as shown in figure 3, the first driving circuit includes The first transistor M1, second transistor M2, the first driving transistor Mdr1, the 5th transistor M5, the 6th transistor M6, the first electricity Container C1, the second capacitor C2 and organic illuminating element OLED;The first transistor M1 is in the second scanning signal SCAN<n>Control Lower the first pole plate that reference voltage Vref 1 is transmitted to the first capacitor C1 and the second capacitor C2;Second transistor M2 is Scan signal SCAN<n-1>Data voltage Vdata1 is transmitted to the of the first capacitor C1 and the second capacitor C2 under control One pole plate;First driving transistor Mdr1 is for generating glow current;5th transistor M5 is in the first scanning signal SCAN<n-1> Control under for control the first driving transistor Mdr1 grid and drain electrode break-make;6th transistor M6 is in luminous signal EMIT<n>Control under for glow current to be transmitted to organic illuminating element OLED;Organic illuminating element OLED is for responding Glow current and shine.In addition, PVDD is supply voltage, PVEE is constant low potential.
As shown in Figure 5 and Figure 6, within the T1 periods, third scanning signal SCAN<m-1>Controlling transistor M3 and transistor M7 is opened, luminous signal EMIT<m>Controlling transistor M8 is opened, and transistor Mdr2 gate nodes N3 can be made to reset;In T2 Between in section, capture (detecting) threshold value, at the end of this stage, the current potential of node N3 is Vdd+Vth, and wherein Vdd is supply voltage PVDD, Vth are the threshold voltage of transistor Mdr2, and the current potential of node N4 is Vref2, and Vref2 is the second reference voltage, i.e., second The corresponding reference voltage of driving circuit;Within the T3 periods, by the grid section of the second data voltage Vdata writing transistors Mdr2 Point N3, using capacitive coupling, N3 current potentials are Vdd+Vth+Vdata2-Vref2;Within the T4 periods, the T4 periods are the rank that shines Section, it is coefficient that the glow current of organic illuminating element, which is I=k (Vdata2-Vref2) ^2, k, the brightness of organic illuminating element with Glow current is related, and glow current is bigger, and brightness is higher, and Vdata2 is arranged<Vref2, therefore, the organic light emission in the second pixel The brightness of element and the second data voltage Vdata2 positive correlations.Certainly, organic light emitting display panel provided by the invention and not only It is limited to include the first driving circuit and the second driving circuit above, as long as disclosure satisfy that the organic illuminating element of the first pixel Brightness and data voltage positive correlation, brightness and the data voltage negative correlation of the organic illuminating element of the second pixel.
The second driving circuit shown in fig. 5 is specifically described below, as shown in figure 5, the second driving circuit includes Third transistor M3, the 4th transistor M4, the second driving transistor Mdr2, the 7th transistor M7, the 8th transistor M8, third electricity Container C3, the 4th capacitor C4 and organic illuminating element OLED;4th transistor M4 is in third scanning signal SCAN<m-1>Control Reference voltage Vref 2 is transmitted to the first pole plate of third capacitor C3 and the 4th capacitor C4 under system;Third transistor M3 exists 4th scanning signal SCAN<m>Control under data voltage Vdata2 is transmitted to third capacitor C3's and the 4th capacitor C4 First pole plate;Second driving transistor Mdr2, for generating glow current;7th transistor M7 is in third scanning signal SCAN< m-1>Control under for control the second driving transistor Mdr2 grid and drain electrode break-make;8th transistor M8 is in the letter that shines Number EMIT<m>Control under for glow current to be transmitted to organic illuminating element OLED;Organic illuminating element OLED is for ringing It answers glow current and shines.In addition, PVDD is supply voltage, PVEE is constant low potential.
Further, when driving pixel light emission, to the first pixel and the second pixel the input phase etc. in same row pixel Reference voltage, i.e. Vref1=Vref2=Vref so that the data of the second pixel of data voltage and driving of the first pixel of driving Voltage is more close, floats up and down in reference voltage Vref, therefore influence of the two to other pixels can obtain effectively It offsets, meanwhile, circuit can also be simplified to the reference voltage of the first pixel and the second pixel the input phase etc. in same row pixel Structure, need not again in same row pixel the first pixel and the second pixel different reference voltage input structure and defeated is set Enter circuit.Optionally, the first pixel in different lines and the second pixel can also input identical reference voltage, can be in this way Circuit structure it is simpler.Optionally, ranging from 0.25 (Vdata1+Vdata2)~0.75 of reference voltage Vref ((Vdata1+Vdata2), wherein Vdata1 and Vdata2 are for the first pixel with the second pixel with defeated in the case of same brightness Enter the second data voltage of the second pixel of the first data voltage and input of the first pixel.
In order to achieve the effect that preferably to alleviate vertical crosstalk, in some embodiments of the invention, in same row pixel Including the spaced part of the quantity such as the first pixel and the second pixel, i.e., in a part for a row pixel, identical quantity First pixel and the second pixel separation cycle arrangement, specifically with continued reference to Fig. 2, as shown in Fig. 2, in same row pixel, including one A first pixel A and a spaced part of the second pixel B.Certainly, in some other embodiments, same row pixel In can include two the first pixel As and two spaced parts of the second pixel B, not limit such quantity.Same row In pixel, for comprising the spaced part of the quantity such as the first pixel and the second pixel, etc. quantity the first pixel and second Counteracting can be effectively performed in influence of the corresponding data voltage of pixel to rest of pixels, have and preferably alleviate vertical crosstalk Effect.
Optionally, pixel is arranged in array, and often row pixel is connect with same luminous signal line, and at least one-row pixels are only wrapped Include one kind in the first pixel and the second pixel.Specifically can be with continued reference to Fig. 2, as shown in Figure 2, pixel PL is arranged in array Cloth, often row pixel PL connect with same luminous signal line EL, that is to say, that the pixel PL structures of a luminous signal line EL connection Pixel in a row, one-row pixels only include the first pixel A, such as uppermost the first row pixel in Fig. 2 or several from top to bottom Either one-row pixels only include the second row pixel or the 4th counted from top to bottom in the second pixel B such as Fig. 2 to the third line pixel Row pixel.The first driving circuit is can be seen that from Fig. 3 and Fig. 5 and the second driving circuit will be different, in one-row pixels only First pixel is set or the second pixel is only set, can be simplified each in order to control different driving circuits Connection relation between driving circuit and control stimulus part, simplifies circuit structure.Certainly, one-row pixels only include first One kind in pixel and the second pixel, but it further includes picture other than the first pixel and the second pixel to be not intended to limit in one-row pixels Element.
Further, organic light emitting display panel may include multiple pixel column groups, and each pixel column group includes adjacent First pixel column and the second pixel column, the first pixel column only include the first pixel in the first pixel and the second pixel, the second picture Plain row only includes the second pixel in the first pixel and the second pixel, specifically can be as shown in Figure 2, organic with continued reference to Fig. 2 Light emitting display panel 100 may include multiple pixel column groups, and each pixel column group includes adjacent the first pixel column and the second picture Plain row, such as the first row pixel and the third line pixel only include the first pixel A in the first pixel A and the second pixel B, are first Pixel column, the second row pixel and fourth line pixel only include the second pixel B in the first pixel A and the second pixel B, are the second picture Plain row, therefore a pixel column group includes the first pixel column and the second pixel column, another picture in organic light emitting display panel 100 Plain row group includes third pixel column and the 4th pixel column.Equally, it is not intended to limit in the first pixel column and the second pixel column and further includes Pixel other than first pixel and the second pixel.Further, when driving pixel light emission, the first picture in a pixel column group Plain row and the second pixel column are driven simultaneously, and first stage, the first scanning signal controls the first driving circuit and reads in reference voltage, First scanning signal controls second driving circuit and reads in data voltage;Second stage, the second scanning signal control first are driven Dynamic circuit reads in data voltage, and the second scanning signal controls the second driving circuit and reads in reference voltage.It is with specific reference to Fig. 7, Fig. 7 The driving circuit link block schematic diagram of the organic light emitting display panel of the present invention, as shown in fig. 7, in a pixel column group, The first pixel A and the second pixel B in same row read in the same first scanning signal SCAN<n-1>It is swept with same second Retouch signal SCAN<n>, therefore, the first pixel and the second pixel can synchronously be driven, due to the first picture in same row Plain A and the second pixel B are additionally attached on same data line, therefore, the first stage, the first scanning signal SCAN<n-1>Control the One drive circuit reads in reference voltage Vref, the first scanning signal SCAN<n-1>It controls the second driving circuit and reads in data voltage Vdata;Second stage, the second scanning signal SCAN<n>It controls the first driving circuit and reads in data voltage Vdata, the second scanning Signal SCAN<n>It controls the second driving circuit and reads in reference voltage Vref, first pixel A that has been staggered and the second pixel B read in number According to the time of voltage Vdata, so that it may be inputted in the case of being driven at the same time with the first pixel A of realization and the second pixel B different Data voltage Vdata can be the reference voltage of the first pixel A and the second pixel B the input phase etc. for reference voltage Vref Vref, certainly, since the time of the first pixel A and the second pixel B reading reference voltage Vref is also to be staggered, also may be used To input different reference voltage Vrefs.In general, per one-row pixels be in organic light-emitting display device it is independent in turn drive into What row shone, different scanning signals will be read in respectively per one-row pixels, therefore, will be separately connected to per one-row pixels Scanning signal input terminal, circuit structure is relative complex, meanwhile, certain driving time will be occupied per one-row pixels, when each When the display time of frame is fixed, number of lines of pixels is more, then fewer per driving time by line, is easy to cause the signals such as data voltage It charges insufficient, influences display effect, the first pixel column in organic light emitting display panel of the invention in each pixel column group It is driven simultaneously with the second pixel column, above-mentioned the problems of the prior art can be solved, keep circuit structure simpler, reduce and drive The time of dynamic pixel column, alternatively, the display time in each frame is fixed, the driving time per one-row pixels is longer, The charging time of various signals is longer, and display effect is more preferable.Specifically, transistor may be used and come transmission data voltage and reference Voltage, such as the first driving circuit shown in Fig. 3 and the second driving circuit shown in fig. 5 may be used, and may be used Fig. 4 or Person's driver' s timing shown in fig. 6, with specific reference to the driving circuit connection etc. that Fig. 8, Fig. 8 are the organic light emitting display panel of the present invention Schematic diagram is imitated, as shown in figure 8, for a pixel column group, the first driving circuit includes the first transistor M1 and second transistor M2, the first transistor M1 are used for transmission reference voltage Vref, and second transistor M2 is used for transmission the data voltage Vdata;The Two driving circuits include third transistor M3 and the 4th transistor M4, and third transistor M3 is used for transmission data voltage Vdata, the Four transistor M4 are used for transmission the reference voltage Vref;The grid of the first transistor M1 is connected with the grid of third transistor M3 To the first scanning signal SCAN<n-1>Input terminal;The grid of the grid of second transistor M2 and the 4th transistor M4 are connected to Two scanning signal SCAN<n>Input terminal.Certainly, the first driving circuit as shown in figure 3 identical or second are not limited Driving circuit is as shown in fig. 4 identical, as long as the first driving circuit and the second driving circuit of above-mentioned function can be realized It can be used.
The present invention also provides a kind of electronic equipment, including organic light emitting display panel provided by the invention, it is, of course, also possible to Include the other component for supporting electronic equipment to work normally, electronic equipment can be mobile phone, desktop computer, notebook, put down Plate computer, electron album etc., since electronic equipment provided by the invention contains organic light emitting display panel as described above, because This, also correspondingly has the related advantages of above-mentioned organic light emitting display panel.Electronic equipment provided by the invention can be alleviated aobvious The problem of vertical crosstalk in showing, in some embodiments, the circuit structure in electronic equipment can also be simplified, manufacturing process is more Add simply, or simpler display type of drive can be obtained, improves display effect.
Note that above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that The present invention is not limited to specific embodiments described here, can carry out for a person skilled in the art it is various it is apparent variation, It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out to the present invention by above example It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also May include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.

Claims (11)

1. a kind of organic light emitting display panel, which is characterized in that including:
Multiple row pixel, pixel described in each column are connect with same data line, and pixel described in each column includes at least first picture Element and second pixel;Wherein, the data line provides data voltage for the pixel, and first pixel includes the first drive Dynamic circuit, second pixel include the second driving circuit, first driving circuit and second driving circuit difference;Institute State the brightness of the first pixel and the data voltage positive correlation;The brightness of second pixel is negatively correlated with the data voltage.
2. organic light emitting display panel as described in claim 1, which is characterized in that when driving the pixel light emission, to same The reference voltage of first pixel and the second pixel the input phase etc. in row pixel.
3. organic light emitting display panel as claimed in claim 2, which is characterized in that ranging from the 0.25 of the reference voltage (Vdata1+Vdata2)~0.75 ((Vdata1+Vdata2), wherein Vdata1 and Vdata2 be first pixel with it is described Second pixel inputs the data voltage of first pixel and inputs second pixel in the case of having same brightness The data voltage.
4. organic light emitting display panel as described in claim 1, which is characterized in that include described the in pixel described in same row The spaced part of the quantity such as one pixel and second pixel.
5. organic light emitting display panel as claimed in claim 4, which is characterized in that the pixel is arranged in array, often row institute It states pixel to connect with same luminous signal line, at least pixel described in a line only includes first pixel and second pixel In one kind.
6. organic light emitting display panel as claimed in claim 5, which is characterized in that including multiple pixel column groups, the pixel Row group includes adjacent the first pixel column and the second pixel column, and first pixel column only includes first pixel and described the First pixel in two pixels, second pixel column only include described in first pixel and second pixel Second pixel.
7. organic light emitting display panel as claimed in claim 6, which is characterized in that when driving the pixel light emission, one First pixel column and second pixel column in the pixel column group are driven simultaneously, the first stage, the first scanning letter Number control first driving circuit reads in reference voltage, and first scanning signal controls second driving circuit and reads in number According to voltage;Second stage, the second scanning signal control first driving circuit and read in data voltage, second scanning signal It controls second driving circuit and reads in reference voltage.
8. organic light emitting display panel as claimed in claim 7, which is characterized in that described for a pixel column group First driving circuit includes the first transistor and second transistor, and the first transistor is used for transmission the reference voltage, institute It states second transistor and is used for transmission the data voltage;
Second driving circuit includes third transistor and the 4th transistor, and the third transistor is used for transmission the data Voltage, the 4th transistor are used for transmission the reference voltage;
The grid of the first transistor and the grid of the third transistor are connected to the first scanning signal input terminal;Institute The grid of the grid and the 4th transistor of stating second transistor is connected to the second scanning signal input terminal.
9. organic light emitting display panel as described in claim 1, which is characterized in that first driving circuit includes first brilliant Body pipe, second transistor, the first driving transistor, the 5th transistor, the 6th transistor, the first capacitor, the second capacitor and Organic illuminating element;
Reference voltage is transmitted to the first capacitor and the second capacitance by the first transistor under the control of the second scanning signal First pole plate of device;Data voltage is transmitted to the first capacitor and the by the second transistor under the control of the first scanning signal First pole plate of two capacitors;First driving transistor is for generating glow current;5th transistor is The break-make of grid and drain electrode under the control of scan signal for controlling the first driving transistor;6th transistor is being sent out For the glow current to be transmitted to the organic illuminating element under the control of optical signal;The organic illuminating element is for ringing It answers glow current and shines.
10. organic light emitting display panel as described in claim 1, which is characterized in that second driving circuit includes third Transistor, the 4th transistor, the second driving transistor, the 7th transistor, the 8th transistor, third capacitor, the 4th capacitor And organic illuminating element;
Reference voltage is transmitted to the third capacitor and described by the 4th transistor under the control of third scanning signal First pole plate of the 4th capacitor;The data voltage is transmitted to by the third transistor under the control of the 4th scanning signal First pole plate of the third capacitor and the 4th capacitor;Second driving transistor, for generating glow current; Grid and leakage of 7th transistor under the control of the third scanning signal for controlling second driving transistor The break-make of pole;8th transistor is under the control of luminous signal for the glow current to be transmitted to the organic light emission Element;The organic illuminating element in response to glow current for shining.
11. a kind of electronic equipment includes the organic light emitting display panel as described in claim 1-10 is any.
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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107610645B (en) * 2017-10-26 2020-04-28 上海天马有机发光显示技术有限公司 OLED display panel, driving method thereof and display device
CN108182909B (en) 2018-01-02 2020-01-14 京东方科技集团股份有限公司 Organic light emitting diode driving circuit and driving method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1716370A (en) * 2004-06-29 2006-01-04 三星Sdi株式会社 Light emitting diode display circuit with voltage drop compensation
CN101800026A (en) * 2009-02-06 2010-08-11 三星移动显示器株式会社 A light emitting display device and a drinving method thereof
CN102779834A (en) * 2012-05-22 2012-11-14 友达光电股份有限公司 Organic light-emitting display unit structure and organic light-emitting display circuit
CN102810285A (en) * 2011-06-03 2012-12-05 三星电子株式会社 Display device and driving method thereof
CN103165056A (en) * 2011-12-19 2013-06-19 三星显示有限公司 Organic light emitting display device
KR20140077002A (en) * 2012-12-13 2014-06-23 엘지디스플레이 주식회사 Organic light-emitting diode display device
CN103927987A (en) * 2014-04-02 2014-07-16 京东方科技集团股份有限公司 Pixel circuit and display device
CN104282269A (en) * 2014-10-17 2015-01-14 京东方科技集团股份有限公司 Display circuit, driving method of display circuit and display device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101042956B1 (en) * 2009-11-18 2011-06-20 삼성모바일디스플레이주식회사 Pixel circuit and organic light emitting display using thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1716370A (en) * 2004-06-29 2006-01-04 三星Sdi株式会社 Light emitting diode display circuit with voltage drop compensation
CN101800026A (en) * 2009-02-06 2010-08-11 三星移动显示器株式会社 A light emitting display device and a drinving method thereof
CN102810285A (en) * 2011-06-03 2012-12-05 三星电子株式会社 Display device and driving method thereof
CN103165056A (en) * 2011-12-19 2013-06-19 三星显示有限公司 Organic light emitting display device
CN102779834A (en) * 2012-05-22 2012-11-14 友达光电股份有限公司 Organic light-emitting display unit structure and organic light-emitting display circuit
KR20140077002A (en) * 2012-12-13 2014-06-23 엘지디스플레이 주식회사 Organic light-emitting diode display device
CN103927987A (en) * 2014-04-02 2014-07-16 京东方科技集团股份有限公司 Pixel circuit and display device
CN104282269A (en) * 2014-10-17 2015-01-14 京东方科技集团股份有限公司 Display circuit, driving method of display circuit and display device

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