CN108490710A - A kind of display device - Google Patents
A kind of display device Download PDFInfo
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- CN108490710A CN108490710A CN201810273004.5A CN201810273004A CN108490710A CN 108490710 A CN108490710 A CN 108490710A CN 201810273004 A CN201810273004 A CN 201810273004A CN 108490710 A CN108490710 A CN 108490710A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- 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
-
- 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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Abstract
An embodiment of the present invention provides a kind of display device, the problem of solving membrane structure the blocking to the functional element in display device in pixel circuit in the prior art, and then can not be displayed in full screen.One of which display device, including：First viewing area includes the first display pixel circuits for driving display luminous；And the second viewing area being connect with first viewing area, include the second display pixel circuits for driving display luminous；Wherein, second viewing area is provided with non-display function element, and the line density of walking of second display pixel circuits walks line density less than first display pixel circuits.Display device provided in an embodiment of the present invention simplifies the pixel circuit in non-display function element region, increases the transmitance of non-display function element, realizes in the case where ensureing that display device functionalities are complete, can realize full screen display.
Description
Technical field
The present invention relates to display technology fields, and in particular to a kind of display device.
Background technology
In display technology field, the tablets such as liquid crystal display panel (LCD), organic LED display panel (OLED)
Display device gradually replaces traditional display, but either LCD display panel or OLED display panel, is required to
Setting gate driving circuit carries out display driving on corresponding backboard, and display panel is other than effective display area, also usually
Element equipped with non-display function, such as front camera is additionally provided on computer display screen, it is additionally provided on mobile phone display screen preposition
Camera, fingerprint recognition key etc..The non-display area in display panel is arranged in non-display function element in the prior art, to make
Obtaining display panel has the design of frame, and with the rapid development of display technology, display panel gradually develops to screen enlarging, narrow side
Frame, Rimless display panel become current mainstream research object, but when display panel be set as full screen display when, pixel electricity
Membrane structure in road will cause to block to non-display function element so that non-functional display element can not use.
Invention content
In view of this, an embodiment of the present invention provides a kind of display device, solve in pixel circuit in the prior art
Membrane structure is blocked to the non-display functional element in display device, and then the problem of can not be displayed in full screen.
One embodiment of the invention provide a kind of display device include：First viewing area, including be used to that display to be driven to shine
The first display pixel circuits；And the second viewing area being connect with first viewing area, including be used to that display to be driven to shine
The second display pixel circuits；
Wherein, second viewing area is provided with non-display function element, and the cabling of second display pixel circuits is close
Degree walks line density less than first display pixel circuits.
One of which display device further includes the first scan control line, for providing the first scan control signal；Data line,
For providing voltage data signal；Power input, for providing supply voltage；First display pixel circuits and institute belonging to wherein
Belong to the second display pixel circuits and shares first scan control line, the data line and the power input.
Wherein the second display pixel circuits include：
The source electrode of second driving transistor, second driving transistor is connect with the power input, for that will count
It is converted into electric current according to signal voltage；
Second data storage control module, for according to first scan control from first scan control line
Signal, controls whether second driving transistor is connected to the data line；
Second capacitance, one end of second capacitance are connect with the grid of second driving transistor, the other end and institute
Power input connection is stated, for storing data signal voltage；And
Second luminescent device, the anode of second luminescent device are connect with the drain electrode of second driving transistor.
One of which display device further includes：
Light emitting control line, for providing LED control signal；
Wherein, second display pixel circuits further include：Second light emitting control module, for shining according to from described
The LED control signal of control line, controls whether the power input is connected to the anode of second luminescent device.
One end of the second light emitting control module is connect with the power input in one embodiment of the invention, and the other end drives with described second
The source electrode connection of dynamic transistor, for according to the LED control signal from the light emitting control line, controlling power input to be
The no source electrode that supply voltage is transmitted to second driving transistor, to make the grid of the second driving transistor and source electrode it
Between whether form voltage difference so that whether there is electric current to be transmitted to the second luminescent device.Second hair in one embodiment of the invention
One end of photocontrol module is connect with the drain electrode of second driving transistor, the anode of the other end and second luminescent device
Connection, for being according to the electric current of the LED control signal from the light emitting control line, control the second driving transistor generation
The no anode for being transmitted to the second luminescent device, to make whether the second luminescent device shines.
Wherein described second data storage control module includes at least one switching transistor；And/or described second shine
Control module includes at least one switching transistor.
Wherein described second data storage control module includes the tenth transistor；
The grid of wherein described tenth transistor is connect with first scan control line, and source electrode connects with the data line
It connects, drain electrode is connect with the grid of second driving transistor；
Second driving transistor is in parallel with second capacitance；The grid of second driving transistor and described the
The drain electrode connection of ten transistors, source electrode are connect with the power input, and drain electrode is connect with the anode of second luminescent device.
Wherein, the second light emitting control module includes the 11st transistor；
The grid of wherein described 11st transistor is connect with the light emitting control line, source electrode connects with the power input
It connects, draining connect with the source electrode of second driving transistor；Or
The connection of light emitting control line, the leakage of source electrode and second driving transistor described in the grid of 11st transistor
Pole connection, drain electrode are connect with the anode of second luminescent device.
Wherein, a kind of display device further includes controller, the controller respectively with first scan control line, described
Light emitting control line connects；
Wherein, the controller is configured to execute following steps：
Voltage data signal from the data line is transmitted and is stored in second capacitance；
The LED control signal is transferred to the second light emitting control module by the light emitting control line.
Wherein, a kind of display device, the display device further include：
Second scan control line, for providing the second scan control signal；
Initialization voltage input terminal, for providing initialization voltage；
Wherein the first display pixel circuits include：
The source electrode of first driving transistor, first driving transistor is connect with the power input, for that will count
It is converted into electric current according to signal voltage；
First data storage control module, for according to first scan control from first scan control line
Signal, controls whether first driving transistor is connected to the data line；
First light emitting control module, for according to the LED control signal from the light emitting control line, controlling institute
State whether power input is connected to the anode of first luminescent device；
Control module is initialized, is used for according to second scan control signal from second scan control line,
Whether the anode of one end, first luminescent device for controlling first capacitance is connected to the initialization voltage input terminal；
First luminescent device, the anode of first luminescent device are connect with the drain electrode of first driving transistor；With
And
First capacitance, one end of first capacitance is connect with the power input, the other end drives with described first
The grid of transistor connects, for storing data signal voltage.
Wherein, in first display pixel circuits：
First data storage control module includes at least one switching transistor；And/or
First light emitting control module includes at least one switching transistor；And/or
It includes at least one switching transistor to initialize control module.
Wherein, first data storage control module includes the first transistor, the 4th transistor and the 6th transistor；Its
Described in the first transistor, the 4th transistor, the 6th transistor grid respectively with first scan control line
Connection, the source electrode of the first transistor is connect with the data line, draining connect with the source electrode of first driving transistor,
The source electrode of 4th transistor connect with the grid of first driving transistor, drains and the source electrode of the 6th transistor
Connection, the source electrode of the 6th transistor are connect with the drain electrode of the 4th transistor；
And/or
The first light emitting control module includes second transistor, the 5th transistor；5th transistor, described second
The grid of transistor is connect with the light emitting control line respectively, source electrode and first driving transistor of the 5th transistor
Drain electrode connection, drain electrode connect with the anode of first luminescent device, the source electrode of the second transistor and it is described first drive
Source electrode connection, the drain electrode of dynamic transistor are connect with the power input；
And/or
The initialization control module includes the 7th transistor, the 8th transistor and the 9th transistor；7th crystal
Pipe, the 8th transistor, the 9th transistor grid connect respectively with second scan control line, the described 8th is brilliant
The source electrode of body pipe is connect with one end of first capacitance, draining connect with the source electrode of the 7th transistor, and the described 7th is brilliant
The drain electrode of body pipe is connect with the initialization voltage input terminal, source electrode and first luminescent device of the 9th transistor
Anode connection, drain electrode are connect with the initialization voltage input terminal；
Wherein, one end of first capacitance is connect with the power input, and the other end drives crystal with described first
The grid of pipe connects.
Wherein, a kind of display device further includes controller, the controller respectively with first scan control line, institute
State the second scan control line, light emitting control line connection；
Wherein, the controller is configured to execute following steps：
Initialization voltage from initialization voltage input terminal is transmitted to the initialization control module and described first
The anode of luminescent device；
Voltage data signal from the data line is transmitted and is stored in first capacitance；
The LED control signal is transferred to the second light emitting control module by the light emitting control line.
As another aspect of the present invention, one embodiment of the invention additionally provides a kind of electronic equipment, the electronic equipment
Including above-mentioned display device provided by the present invention.
Display device has been divided into the first viewing area and second and shown by a kind of display device that the embodiment of the present invention is provided
Show area, the second viewing area is equipped with non-display function element, and the pixel circuit of the first viewing area and the second viewing area shares
Data line, power input, control line, and the second display pixel circuits simplify than the first display pixel circuits, to realize
The line density of walking of second viewing area walks line density less than the first viewing area, increases the transmitance of non-display function element, real
Show in the case where ensureing that display device functionalities are complete, can realize full screen display.
Description of the drawings
Fig. 1 show a kind of structural schematic diagram of display device of one embodiment of the invention offer.
Fig. 2 show the first display pixel circuits in a kind of display device of one embodiment of the invention offer, second aobvious
Show the circuit diagram of pixel circuit.
Fig. 3 show another embodiment of the present invention offer a kind of display device in the first display pixel circuits, second
The circuit diagram of display pixel circuits.
Fig. 4 show another embodiment of the present invention offer a kind of display device in the first display pixel circuits, second
The circuit diagram of display pixel circuits.
Fig. 5 show another embodiment of the present invention offer a kind of display device in the first display pixel circuits, second
The circuit diagram of display pixel circuits.
Fig. 6 show the drive signal sequence diagram of the pixel circuit in the display device of one embodiment of the invention offer.
Fig. 7 show another drive signal sequential of the pixel circuit in the display device of another embodiment of the present invention offer
Figure.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained without creative efforts
Example is applied, shall fall within the protection scope of the present invention.
It should be appreciated that in order not to obscure embodiments of the present invention, specification only to some it is crucial, may not necessary technology
It is described with feature, and the feature that can may do not realized to some those skilled in the art is explained.
Fig. 1, Fig. 2 show the structural schematic diagram and display device of a kind of display device of one embodiment of the invention offer
In the first display pixel circuits, the second display pixel circuits circuit diagram, as shown in Fig. 2, the display device be mobile phone show
Screen, including the first viewing area 01, the second viewing area 02, wherein the second viewing area 02 is equipped with photographing element 03；Wherein first display
Area 01 includes the first display pixel circuits 1 for driving display luminous, and the second viewing area 02 includes for driving display to shine
The second display pixel circuits 2；
As shown in Fig. 2, 2 shared data line of the first display pixel circuits 1 and the second display pixel circuits, the first scan control
Line scan1, power input, data line are respectively the first display pixel circuits 1, the second display pixel circuits 2 offer data letter
Number voltage Vdata, power input are that the first display pixel circuits 1, the second display pixel circuits 2 provide supply voltage Vdd；Hair
Photocontrol line EM is that the first display pixel circuits 1 provide LED control signal；Initialization voltage input terminal is the first display pixel
Circuit 1 provides initialization voltage Vref；
First display pixel circuits 1 include the first storage control module 10, the first light emitting control module 11, first driving crystalline substance
Body pipe DTFT1, the first capacitance C1, initialization control module 12 and the first light emitting diode OLED1, the first driving transistor
DTFT1 is PMOS tube；
First data storage control module 10 is connect with the first scan control line scan1, data line respectively, and with described
One driving transistor DTFT1 series connection；One end of first capacitance C1 is connect with power input, the other end of the first capacitance C1 and
The one of the grid connection of one driving transistor DTFT1, the source electrode of the first driving transistor DTFT1 and the first storage control module 10
End connection；The drain electrode of first driving transistor DTFT1 is connect with the anode of the first light emitting diode OLED1；First light emitting control
Module 11 is connect respectively with light emitting control line EM, power input and the connection of the source electrode of the first driving transistor DTFT1；Initially
The one end for changing control module 12 is connect with the second scan control line scan2, initialization power input respectively, initialization control mould
The other end of block 12 is connect with the anode of the first capacitance C1, the first light emitting diode OLED1 respectively；
Second display pixel circuits include the second storage control module 20, the second driving transistor DTFT2, the second capacitance C2
It is PMOS tube with the second light emitting diode OLED2, the second driving transistor DTFT2；
Second data storage control module 20 is connect with the first scan control line, data line respectively, the storage control of the second data
One end of molding block 20 is connect with the grid of the second driving transistor DTFT2；The source electrode and power supply of second driving transistor DTFT2
Input terminal connection, drain electrode are connect with the anode of the second luminescent device OLED2；Second capacitance and second driving transistor are simultaneously
Connection.
The display device of the present embodiment is mobile phone display screen, and non-display function element is camera, those skilled in the art
Display device can be made into other changes, such as computer display screen is equipped on a display screen with non-display according to actual needs
The display device of function element；Camera can be also changed to the element of the non-display function such as identification of function key, these realization methods
Those of ordinary skill in the art can be readily apparent that without making creative work, therefore, these realization methods
It is also within the protection domain of the disclosure.
One embodiment of the invention, further includes controller, and controller is to the first scan control line scan1, the second scan control
Line scan2, light emitting control line EM send signal command, for controlling the first display pixel circuits 1, the second display pixel circuits 2
The course of work, wherein
The course of work of first display pixel circuits 1 includes：
Initial phase：Controller sends the control command of conducting to the second scan control line scan2, while being swept to first
It retouches control line scan1 and light emitting control line EM sends the control command of cut-off；First storage control module 10 and first, which shines, to be controlled
Molding block 11 ends, and initialization control module 12 is connected, the anode voltage of the first light emitting diode OLED1, the first capacitance C1
Second terminal voltage is initialized；This first light emitting diode of stage does not shine；
Data write phase：Controller sends the control command of conducting to the first scan control line scan1, while to second
Scan line scan2, light emitting control line EM send the control command of cut-off；Voltage data signal is transmitted separately to first by data line
One end of the grid of driving transistor DTFT1 and the first capacitance C1, since the first light emitting control module is ended, the first driving crystal
Pressure difference is not formed between the source electrode and grid of pipe DTFT1, therefore voltage data signal Vdata is stored in the one of the first capacitance C1
End；This stage, the first light emitting diode OLED1 did not shone；
Glow phase：Controller sends the control command of conducting to light emitting control line EM, while to the first scan control line
Scan1, the second scan control line scan2 send the control command of cut-off, under the action of the first capacitance C1, the first driving crystal
Pressure difference (Vdd-V data) is formed between pipe DTFT source electrodes and grid, to form electric current, and electric current is transmitted to first and is shone
Diode OLED1 makes it shine；
The course of work of second display pixel circuits 2, including：
Data write phase：Controller sends the control command of conducting to the first scan control line scan1, while to second
Scan line scan2；Voltage data signal is transmitted separately to the grid and the second capacitance of the second driving transistor DTFT1 by data line
One end of C2；Pressure difference (Vdd-Vdata) is formed between the source electrode and grid of second driving transistor DTFT2, to form electric current,
And electric current is transmitted to the second light emitting diode OLED2, so that it is shone；This stage the second light emitting diode OLED2 shines；
Glow phase：Controller sends the control of cut-off to the first scan control line scan1, the second scan control line scan2
System order forms pressure difference (Vdd- under the action of the second capacitance C2 between the source electrode and grid of the second driving transistor DTFT2
Vdata), to form electric current, and electric current is transmitted to the second light emitting diode OLED2, it is made to shine；
Camera in mobile phone is located at the second viewing area 02 in display screen by the display device of the present embodiment, by
First viewing area 01 and the second viewing area 02 use different pixel circuits, and the line density of walking of the second viewing area 02 is less than use
Line density is walked in the first viewing area 01 that it mainly shows effect, the film layer structure reduced in pixel circuit is saturating to camera
The influence of light improves the transmitance of camera, in the case where meeting the higher camera function of mobile phone, while realizing full frame aobvious
Show.But the luminescence process of the first light emitting diode OLED1 in the first viewing area pixel circuit 1 and the second viewing area pixel electricity
The luminescence process of the second light emitting diode OLED2 on road 2 is asynchronous.
In order to realize that the luminescence process of the first viewing area pixel circuit and the second viewing area pixel circuit synchronizes, Fig. 3 is this
A kind of display device of embodiment offer is provided, further includes the second light emitting control module 21 in the second display pixel circuits 2, such as
Shown in Fig. 3, the second light emitting control module 21 is connect with light emitting control line EM, power input respectively, the second light emitting control module
21 one end is connect with the source electrode of the second driving transistor DTFT2；Under the control of the controller, the second viewing area pixel circuit 2
The course of work, including：
Data write phase：Controller sends the control command of conducting to the first scan control line scan1, while to second
Scan line scan2, light emitting control line EM send the control command of cut-off；Second storage control module 20 is connected, and second, which shines, controls
Molding block 21 ends；Voltage data signal is transmitted separately to the grid and the second electricity of the second driving transistor DTFT2 by data line
Hold one end of C2；Since the second light emitting control module 21 is ended, do not have between the source electrode and grid of the second driving transistor DTFT2
Pressure difference is formed, therefore voltage data signal Vdata is stored in one end of the first capacitance C2；This second light emitting diode of stage
OLED2 does not shine；
Glow phase：Controller sends the control of cut-off to the first scan control line scan1, the second scan control line scan2
System order, the control command of conducting, the cut-off of the second storage control module 20 are sent to control line, and the second light emitting control module 21 is led
It is logical, under the action of the second capacitance C2, pressure difference (Vdd-V is formed between the source electrode and grid of the second driving transistor DTFT2
Data), to form electric current, and electric current is transmitted to the second light emitting diode OLED2, it is made to shine.
A kind of display device provided in this embodiment, the first display pixel circuits 1 and second in the first viewing area 01
The luminescence process of the second display pixel circuits in viewing area 02 synchronizes.
In an embodiment of the present invention, the second light emitting control module 21 can also be connected to the second driving transistor DTFT2
And second between luminescent device OLED2, wherein the leakage of one end of the second light emitting control module 21 and the second driving transistor DTFT2
Pole connection, the other end are connect with the anode of the second luminescent device OLED2, under the control of the controller, the second viewing area pixel electricity
Glow phase in the course of work on road 2：
Controller sends the control command of cut-off to the first scan control line scan1, the second scan control line scan2, to
Control line sends the control command of conducting, the conducting of the second light emitting control module 21, the second storage control module 20 cut-off, second
Under the action of capacitance C2, pressure difference (Vdd-V data) is formed between the source electrode and grid of the second driving transistor DTFT2, to shape
At electric current, and since the second light emitting control module 21 is connected, electric current is able to be transmitted to the second light emitting diode OLED2, makes it
It shines.
Fig. 4 is a kind of display device that another embodiment of the present invention provides, as shown in figure 4, wherein
The first data storage control module 10 in first display pixel circuits 1 includes three switching transistors, respectively
The first transistor M1, the 4th transistor M4 and the 6th transistor M6；First light emitting control module 11 includes two switching transistors,
For second transistor M2, the 5th transistor M5；It includes three switching transistors, respectively the 7th crystal to initialize control module 12
Pipe M7, the 8th transistor M8 and the 9th transistor M9；First driving transistor is the first driving transistor M3；
The grid of the first transistor M1 is connect with the first scan control line scan1, and source electrode is connect with data line, drain electrode and the
The source electrode of one driving transistor M3 connects；The grid of 4th transistor M4 is connect with the first scan control line scan1, source electrode and
The grid of one driving transistor M3 connects, and drain electrode is connect with the source electrode of the 6th transistor M6；The grid of 6th transistor M6 and
One scan control line scan1 connections, source electrode are connect with the drain electrode of the 4th transistor M4, the source electrode of drain electrode and the 5th transistor M5
Connection；The grid of 5th transistor M5 is connect with light emitting control line EM, and source electrode is connect with the drain electrode of the first driving transistor M3, leakage
Pole is connect with the anode of the first luminescent device OLED1；The grid of second transistor M2 is connect with light emitting control line EM, source electrode and
The source electrode of one driving transistor M3 connects, and drain electrode is connect with power input；The grid of 8th transistor M8 and the second scanning are controlled
Line scan2 connections processed, source electrode are connect with one end ends Q of the first capacitance C1, and drain electrode is connect with the source electrode of the 7th transistor M7；7th
The grid of transistor M7 is connect with the second scan control line scan2, and source electrode is connect with the drain electrode of the 8th transistor M8, is drained and first
Beginningization voltage input end connects；The grid of 9th transistor M9 is connect with the second scan control line scan2, and source electrode and first shines
The anode of device OLED1 connects, and drain electrode is connect with initialization voltage input terminal；The other end and second transistor of first capacitance C1
The drain electrode of M2 connects；
In second display pixel circuits 2, the second data storage control module 20 includes a switching transistor, is the tenth brilliant
Body pipe M10, the second driving transistor are the second driving transistor M12；
The grid of tenth transistor M10 is connect with the first scan control line scan1, and source electrode is connect with data line, drain electrode with
The grid of second driving transistor M12 connects；Second driving transistor M12 is in parallel with C2；The grid of second driving transistor M12
It is connect with the drain electrode of the tenth transistor M10, source electrode is connect with power input, the anode of drain electrode and the second luminescent device OLED2
Connection.
Wherein switching transistor：The first transistor M1, second transistor M2, the 4th transistor M4, the 5th transistor M5,
Six transistor M6, the 7th transistor M7, the 8th transistor M8, the 9th transistor M9, the tenth transistor M10, and driving crystal
The second driving transistor of pipe M12, the first driving transistor M3 is PMOS tube.
Wherein initialization power input is low level voltage.
Controller is to the first scan control line scan1, the second scan control line scan2, light emitting control line EM control commands
Drive signal sequence diagram it is as shown in Figure 6.
With reference to figure 4 and Fig. 6, the first transistor M1, the 4th transistor M4, the 6th transistor M6, the tenth transistor M10 grid
Pole receives the grid reception second of the first scanning signal scan1, the 9th transistor M9, the 7th transistor M7, the 8th transistor M8
Scanning signal scan2, second transistor M2, the 5th transistor M5 receive LED control signal EM；First display pixel circuits 1,
The course of work of second display pixel circuits includes：
In initial phase T1：Applying has low level second scanning signal to the 7th transistor M7, the 8th transistor
There is the grid of M8, the 9th transistor M9 low level second scanning signal to make the 7th transistor M7, the 8th transistor M8, the
Nine transistor M9 conductings；Apply the first scanning signal with high level to the first transistor M1, the 4th transistor M4, the 6th crystalline substance
The grid of body pipe M6, the tenth transistor M10, the first scanning signal with high level make the first transistor M1, the 4th transistor
M4, the 6th transistor M6, the tenth transistor M10 cut-offs；Apply the control signal with high level to second transistor M2, the 5th
Transistor M5, the control signal with high level make second transistor M2, the 5th transistor M5 cut-offs；Initialize power input
Initialization voltage is delivered to the anode of the first light emitting diode OLED1, one end ends Q of the first capacitance C1；This stage, the first hair
Optical diode OLED1, the second light emitting diode OLED2 do not shine；
Data write phase T2：Apply with low level first scanning signal scan1 to the first transistor M1, the 4th crystalline substance
There is the grid of body pipe M4, the 6th transistor M6, the tenth transistor M10 low level first scanning signal scan1 to make the first crystalline substance
Body pipe M1, the 4th transistor M4, the 6th transistor M6, the tenth transistor M10 conductings；Apply the second scanning letter with high level
The grid of number scan2 to the 7th transistor M7, the 8th transistor M8, the 9th transistor M9, the second scanning letter with high level
Number scan2 makes the 7th transistor M7, the 8th transistor M8, the 9th transistor M9 cut-offs；Apply the control signal with high level
For EM to the second transistor M2, the 5th transistor M5, the control signal EM with high level makes the second transistor M2, the
Five transistor M5 cut-offs；
In first display pixel circuits 1, due to the cut-off of M2, M5, between the source electrode and drain electrode of the first driving transistor M3
Pressure difference is not formed, since one end ends Q of the first capacitance C1 have low level, forces the first driving transistor M3 conductings, data
Signal voltage Vdata is transmitted and is preserved to one end ends Q of the first capacitance C1；This stage, the first light emitting diode OLED1 did not shone；
The tenth transistor M10 conductings, voltage data signal Vdata are transmitted separately to second in second display pixel circuits 2
One end of the grid of driving transistor M12 and the second capacitance C2, grid and the drain electrode of the second driving transistor M12 form pressure difference
(Vdd-Vdata), to form electric current, and electric current is transmitted to the second light emitting diode OLED2, it is made to shine；At the same time,
Voltage data signal Vdata is saved in one end of the second capacitance C2；
Glow phase T3：Apply the first scanning signal scan1 to the first transistor M1, the 4th transistor with high level
The grid of M4, the 6th transistor M6, the tenth transistor M10, the first scanning signal scan1 with high level make the first transistor
M1, the 4th transistor M4, the 6th transistor M6, the tenth transistor M10 cut-offs；Apply the second scanning signal with high level
The grid of scan2 to the 7th transistor M7, the 8th transistor M8, the 9th transistor M9, the second scanning signal with high level
Scan2 makes the 7th transistor M7, the 8th transistor M8, the 9th transistor M9 cut-offs；Applying has low level control signal EM
To the grid of second transistor M2, the 5th transistor M5, there is low level control signal EM to make second transistor M2, the 5th crystalline substance
The M5 conductings of body pipe；
In first display pixel circuits 1, second transistor M2, the 5th transistor M5 conductings, due to the one of the first capacitance C1
Voltage data signal Vdata is preserved at the end ends Q, and differential pressure (Vdd- is formd between the source electrode and grid of the first driving transistor M3
Vdata), to form electric current, and by current transmission to the first light emitting diode OLED1, it is made to shine；
In second display pixel circuits 2, the tenth transistor M10 cut-offs, since data are preserved in one end of the second capacitance C2
Signal voltage Vdata forms pressure difference (Vdd-Vdata), to form electricity between the source electrode and grid of the second driving transistor M12
Stream, and by current transmission to the second light emitting diode OLED2, it is made to shine；
The luminescence process of the first light emitting diode OLED1 in the first viewing area pixel circuit 1 in the present embodiment and
The luminescence process of second light emitting diode OLED2 of two viewing area pixel circuits 2 is asynchronous.
Further, in order to realize that the luminescence process of the first viewing area pixel circuit 1 and the second viewing area pixel circuit 2 is same
It walks, in a kind of display device that another embodiment of the present invention provides, as shown in figure 5, the second display pixel circuits 2 further include second
Light emitting control module 21, wherein the second light emitting control module includes a switching transistor, it is the 11st transistor M11, wherein
The grid of 11st transistor M11 receives LED control signal EM, and source electrode is connect with power input, and drain electrode and the second driving are brilliant
The source electrode of body pipe M12 connects；
With reference to figure 5 and Fig. 6, the first transistor M1, the 4th transistor M4, the 6th transistor M6, the tenth transistor M10 grid
Pole receives the grid reception of the first scan control signal scan1, the 9th transistor M9, the 7th transistor M7, the 8th transistor M8
Second scan control signal scan2, second transistor M2, the 5th transistor M5 receive LED control signal EM；First display picture
Plain circuit 1, the second display pixel circuits 2 the course of work include：
In initial phase T1：Apply the grid of the first scan control signal to the tenth transistor M10 with high level,
The first scan control signal with high level makes the tenth transistor M10 cut-offs；Apply the control signal with high level to the
11 transistor M11, the control signal with high level make the 11st transistor M11 cut-offs；This stage, the second light emitting diode
OLED2 does not shine；And second display pixel circuits do not carry out initialization procedure；
Data write phase T2：Applying has low level first scan control signal scan1 to the tenth transistor
There is the grid of M10 low level first scan control signal scan1 to make the tenth transistor M10 conductings；Applying has high level
Control signal EM to the 11st transistor M11, the control signal EM with high level makes the 11st transistor M11 cut-off；By
Pressure difference is not formed between the cut-off of M11, the source electrode and drain electrode of the second driving transistor M12, it is believed that number voltage Vdata transmission
And it preserves to one end of the second capacitance C2；This stage, the second light emitting diode OLED2 did not shone；
Glow phase T3：Apply the grid of the first scan control signal scan1 to the tenth transistor M10 with high level
Pole, the first scan control signal scan1 with high level make the tenth transistor M10 cut-offs；Applying has low level control
Signal EM to the 11st transistor M11, it is described that there is low level control signal EM to make the 11st transistor M11 conductings；Due to
Voltage data signal Vdata is preserved in one end of second capacitance C2, is formed between the source electrode and grid of the second driving transistor M12
Pressure difference (Vdd-Vdata) makes it shine to form electric current, and by current transmission to the second light emitting diode OLED2；
In the present embodiment, due to having added a switching transistor in the second display pixel circuits 2, realize aobvious to second
Show the light emitting control of the second light emitting diode OLED2 in pixel circuit 2, and then it is aobvious to realize the first display pixel circuits 1, second
Show that the luminescence process of pixel circuit 2 synchronizes.
Further, in order to more easily provide the first scanning signal scan1, the second scanning signal scan2 and light emitting control
The driving circuit of signal EM is arranged, and controller is to the first scan control line scan1, the second scan control in one embodiment of the invention
When line scan2, light emitting control line EM send the drive signal sequential of control command, in initial phase T1, data write phase
Transition stage is also set up between T2 and glow phase T3, as shown in Figure 7.
Controller sends the drive signal sequence diagram of signal to the first display pixel circuits, the second display pixel circuits,
Initial phase T1, data write phase T2, T3 pairs of the first display pixel circuits of glow phase, the second display pixel circuits apply
Signal it is similar with previous embodiment, details are not described herein, below only with regard between the above three stage transition stage carry out
Illustrate,
With reference to figure 7, the first time period T11 between initial phase T1 and data write phase T2 applies high level
The second scanning signal scan2 to the 8th transistor M8, the 9th transistor M9, the 7th transistor M7 grid, make the 8th crystal
Pipe M8, the 9th transistor M9, the 7th transistor M7 cut-offs；It is brilliant to apply the first scanning signal scan1 to first with high level
The grid of body pipe M1, the 4th transistor M4, the 6th transistor M6, the tenth transistor M10 make the first transistor M1, the 4th crystal
Pipe M4, the 6th transistor M6, the tenth transistor M10 cut-offs；Apply the LED control signal EM with high level to the second crystal
The grid of pipe M2, the 5th transistor M5, the 11st transistor M11 make second transistor M2, the 5th transistor M5, the 11st crystalline substance
The M11 cut-offs of body pipe；
In the first time period T11 stages, due to the cut-off of the first transistor M1, one end ends Q of the first capacitance C1 still store
Initialization voltage Vref；
Second time period T12 between first time period T11 stages and data write phase T2 applies the of high level
The grid of two scanning signal scan2 to the 8th transistor M8, the 9th transistor M9, the 7th transistor M7, make the 8th transistor M8,
9th transistor M9, the 7th transistor M7 cut-offs；Apply the first scanning signal scan1 with high level to the first transistor
The grid of M1, the 4th transistor M4, the 6th transistor M6, the tenth transistor M10, make the first transistor M1, the 4th transistor M4,
6th transistor M6, the tenth transistor M10 cut-offs；Apply with high level LED control signal EM to second transistor M2,
The grid of 5th transistor M5, the 11st transistor M11 make second transistor M2, the 5th transistor M5, the 11st transistor
M11 ends；Applying has low level Vdata signals, prepares for data write-in；
First time period T21 between data write phase T2 and glow phase T3 applies the second scanning of high level
The grid of signal scan2 to the 8th transistor M8, the 9th transistor M9, the 7th transistor M7 makes the 8th transistor M8, the 9th crystalline substance
Body pipe M9, the 7th transistor M7 cut-offs；Apply the first scanning signal scan1 with high level to the first transistor M1, the 4th
The grid of transistor M4, the 6th transistor M6, the tenth transistor M10 make the first transistor M1, the 4th transistor M4, the 6th crystalline substance
Body pipe M6, the tenth transistor M10 cut-offs；Apply LED control signal EM to second transistor M2, the 5th crystalline substance with high level
The grid of body pipe M5, the 11st transistor M11 make second transistor M2, the 5th transistor M5, the 11st transistor M11 cut-offs,
Applying has low level Vdata signals；
Second time period T22 between stage first time T21 and glow phase T3 applies the second scanning of high level
The grid of signal scan2 to the 8th transistor M8, the 9th transistor M9, the 7th transistor M7 makes the 8th transistor M8, the 9th crystalline substance
Body pipe M9, the 7th transistor M7 cut-offs；Apply the first scanning signal scan1 with high level to the first transistor M1, the 4th
The grid of transistor M4, the 6th transistor M6, the tenth transistor M10 make the first transistor M1, the 4th transistor M4, the 6th crystalline substance
Body pipe M6, the tenth transistor M10 cut-offs；Apply LED control signal EM to second transistor M2, the 5th crystalline substance with high level
The grid of body pipe M5, the 11st transistor M11 make second transistor M2, the 5th transistor M5, the 11st transistor M11 cut-offs,
Apply the Vdata signals with high level；It prepares to shine.
It should be noted that in an embodiment of the present invention, wherein switching transistor：The first transistor M1, the second crystal
Pipe M2, the 4th transistor M4, the 5th transistor M5, the 6th transistor M6, the 7th transistor M7, the 8th transistor M8, the 9th crystalline substance
Body pipe M9, the tenth transistor M10 and the second driving transistor of driving transistor M12, the first driving transistor M3 is PMOS
Pipe.Certainly the present invention to this and is not particularly limited, and this field just seems that personnel can also according to actual needs make transistor
Other change, such as set portion of transistor to NMOS tube, and set corresponding other parts transistor to PMOS tube, this
Realization method those of ordinary skill in the art can be readily apparent that without making creative work a bit, therefore, this
A little realization methods are also within the protection domain of the disclosure.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Within god and principle, made by any modification, equivalent replacement etc., should all be included in the protection scope of the present invention.
Claims (13)
1. a kind of display device, which is characterized in that including：
First viewing area includes the first display pixel circuits for driving display luminous；And connect with first viewing area
The second viewing area connect includes the second display pixel circuits for driving display luminous；
Wherein, second viewing area is provided with non-display function element, second display pixel circuits to walk line density low
Line density is walked in first display pixel circuits.
2. a kind of display device according to claim 1, which is characterized in that further include：
First scan control line, for providing the first scan control signal；
Data line, for providing voltage data signal；And
Power input, for providing supply voltage；
Wherein described first display pixel circuits and second display pixel circuits share first scan control line, described
Data line and the power input.
3. a kind of display device according to claim 2, which is characterized in that second display pixel circuits include：
The source electrode of second driving transistor, second driving transistor is connect with the power input, for believing data
Number voltage is converted into electric current；
Second data storage control module, for according to first scan control letter from first scan control line
Number, control whether second driving transistor is connected to the data line；
Second capacitance, one end of second capacitance are connect with the grid of second driving transistor, the other end and the electricity
Source input terminal connects, for storing data signal voltage；And
Second luminescent device, the anode of second luminescent device are connect with the drain electrode of second driving transistor.
4. a kind of display device according to claim 3, which is characterized in that the display device further includes：
Light emitting control line, for providing LED control signal；
Wherein, second display pixel circuits further include：Second light emitting control module, for according to from the light emitting control
The LED control signal of line, controls whether the power input is connected to the anode of second luminescent device.
5. a kind of display device according to claim 4, which is characterized in that second data storage control module includes
At least one switching transistor；And/or the second light emitting control module includes at least one switching transistor.
6. a kind of display device according to claim 5, which is characterized in that second data storage control module includes
Tenth transistor；
The grid of wherein described tenth transistor is connect with first scan control line, and source electrode is connect with the data line, leakage
Pole is connect with the grid of second driving transistor；
Second driving transistor is in parallel with second capacitance；The grid of second driving transistor is brilliant with the described tenth
The drain electrode connection of body pipe, source electrode are connect with the power input, and drain electrode is connect with the anode of second luminescent device.
7. a kind of display device according to claim 6, which is characterized in that the second light emitting control module includes the tenth
One transistor；
The grid of wherein described 11st transistor is connect with the light emitting control line, source electrode is connect with the power input,
Drain electrode is connect with the source electrode of second driving transistor；Or
The connection of light emitting control line, source electrode and the drain electrode of second driving transistor described in the grid of 11st transistor connect
It connects, draining connect with the anode of second luminescent device.
8. a kind of display device according to claim 5, which is characterized in that further include controller, the controller difference
It is connect with first scan control line, the light emitting control line；
Wherein, the controller is configured to execute following steps：
Voltage data signal from the data line is transmitted and is stored in second capacitance；
The LED control signal is transferred to the second light emitting control module by the light emitting control line.
9. according to any a kind of display device in claim 3 to 7, which is characterized in that the display device further includes：
Second scan control line, for providing the second scan control signal；
Initialization voltage input terminal, for providing initialization voltage；
Wherein the first display pixel circuits include：
The source electrode of first driving transistor, first driving transistor is connect with the power input, for believing data
Number voltage is converted into electric current；
First data storage control module, for according to first scan control letter from first scan control line
Number, control whether first driving transistor is connected to the data line；
First light emitting control module, for according to the LED control signal from the light emitting control line, controlling the electricity
Whether source input terminal is connected to the anode of first luminescent device；
Control module is initialized, for according to second scan control signal from second scan control line, control
One end of first capacitance, first luminescent device anode whether be connected to the initialization voltage input terminal；
First luminescent device, the anode of first luminescent device are connect with the drain electrode of first driving transistor；And
First capacitance, one end of first capacitance is connect with the power input, the other end drives crystal with described first
The grid of pipe connects, for storing data signal voltage.
10. a kind of display device according to claim 9, which is characterized in that in first display pixel circuits：
First data storage control module includes at least one switching transistor；And/or
First light emitting control module includes at least one switching transistor；And/or
It includes at least one switching transistor to initialize control module.
11. a kind of display device according to claim 10, which is characterized in that
First data storage control module includes the first transistor, the 4th transistor and the 6th transistor；Wherein described
One transistor, the 4th transistor, the 6th transistor grid connect respectively with first scan control line, it is described
The source electrode of the first transistor is connect with the data line, draining connect with the source electrode of first driving transistor, and the described 4th
The source electrode of transistor is connect with the grid of first driving transistor, draining connect with the source electrode of the 6th transistor, institute
The source electrode for stating the 6th transistor is connect with the drain electrode of the 4th transistor；
And/or
The first light emitting control module includes second transistor, the 5th transistor；5th transistor, second crystal
The grid of pipe is connect with the light emitting control line respectively, the leakage of the source electrode and first driving transistor of the 5th transistor
Pole connection, drain electrode are connect with the anode of first luminescent device, and the source electrode of the second transistor and first driving are brilliant
Source electrode connection, the drain electrode of body pipe are connect with the power input；
And/or
The initialization control module includes the 7th transistor, the 8th transistor and the 9th transistor；7th transistor, institute
State the 8th transistor, the grid of the 9th transistor is connect with second scan control line respectively, the 8th transistor
Source electrode connect with one end of first capacitance, draining connect with the source electrode of the 7th transistor, the 7th transistor
Drain electrode connect with the initialization voltage input terminal, the anode of the source electrode and first luminescent device of the 9th transistor
Connection, drain electrode are connect with the initialization voltage input terminal；
Wherein, one end of first capacitance is connect with the power input, the other end and first driving transistor
Grid connects.
12. a kind of display device according to claim 9, which is characterized in that further include controller, the controller difference
It is connect with first scan control line, second scan control line, the light emitting control line；
Wherein, the controller is configured to execute following steps：
Initialization voltage from initialization voltage input terminal is transmitted to the initialization control module and described first to shine
The anode of device；
Voltage data signal from the data line is transmitted and is stored in first capacitance；
The LED control signal is transferred to the second light emitting control module by the light emitting control line.
13. a kind of electronic equipment, it is characterised in that including claim 1 to 12 any one of them display device.
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| WO2022241713A1 (en) * | 2021-05-20 | 2022-11-24 | 京东方科技集团股份有限公司 | Pixel circuit and driving method therefor, display substrate, and display device |
| CN115938284A (en) * | 2022-11-11 | 2023-04-07 | 武汉天马微电子有限公司 | Display panel and display device |
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| CN108490710B (en) | 2019-08-27 |
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