CN113643664A - Drive module and display device - Google Patents
Drive module and display device Download PDFInfo
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- CN113643664A CN113643664A CN202110936635.2A CN202110936635A CN113643664A CN 113643664 A CN113643664 A CN 113643664A CN 202110936635 A CN202110936635 A CN 202110936635A CN 113643664 A CN113643664 A CN 113643664A
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- 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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention provides a driving module and a display device. The driving module is contained in a display device, the display device comprises a display panel, the display panel comprises a plurality of rows and columns of pixel circuits arranged in an effective display area, and the effective display area comprises A display areas; the driving module comprises a light-emitting control signal generating circuit and A scanning control signal generating units; a is an integer greater than 1; the scanning control signal generating unit corresponds to the display area and is used for providing corresponding scanning control signals for the pixel circuits arranged in the corresponding display area according to the display refreshing frequency of the corresponding display area; the light-emitting control signal generating circuit is used for providing corresponding light-emitting control signals for the pixel circuits arranged in the effective display area. The invention can ensure that the pixel circuits in different display areas work under the corresponding display refreshing frequency and simultaneously save the power consumption.
Description
Technical Field
The invention relates to the technical field of display, in particular to a driving module and a display device.
Background
In the conventional display device, the application scene of the display area often displays a static picture in a local area, and displays a dynamic picture in other areas. The existing driving module can not provide scanning control signals for the corresponding display area according to the display refreshing frequency of the display area, so that the power consumption is high.
Disclosure of Invention
The invention mainly aims to provide a driving module and a display device, and solves the problem that the conventional driving module cannot provide scanning control signals for corresponding display areas according to the display refreshing frequency of the display areas, so that the power consumption is high.
In order to achieve the above object, an embodiment of the present invention provides a driving module, which is included in a display device, where the display device includes a display panel, the display panel includes a plurality of rows and columns of pixel circuits disposed in an effective display area, and the effective display area includes a display areas; the driving module comprises a light-emitting control signal generating unit and A scanning control signal generating units; a is an integer greater than 1;
the scanning control signal generating unit corresponds to the display area and is used for providing corresponding scanning control signals for the pixel circuits arranged in the corresponding display area according to the display refreshing frequency of the corresponding display area;
the light-emitting control signal generating unit is used for providing corresponding light-emitting control signals for the pixel circuits arranged in the effective display area.
Optionally, the driving module further includes a scan signal generating unit, where the scan signal generating unit is configured to provide a corresponding scan signal for the pixel circuit disposed in the effective display area.
Optionally, the frequencies of the scan control signals provided by at least two scan control signal generating units in the a scan control signal generating units are different from each other;
the frequencies of the light emission control signals provided by the light emission control signal generation units are the same.
Optionally, the frequencies of the scanning signals provided by the scanning signal generating unit are the same.
Optionally, the scan control signal generating unit includes a scan control signal generating circuit, and the scan control signal generating circuit is configured to provide corresponding scan control signals for the pixel circuits in the corresponding display region; alternatively, the first and second electrodes may be,
the scanning control signal generating unit comprises two scanning control signal generating circuits, the two scanning control signal generating circuits are respectively arranged on two opposite sides of the effective display area, and the scanning control signal generating circuits are used for providing corresponding scanning control signals for pixel circuits in the corresponding display areas.
Optionally, the scanning control signal generating unit is configured to receive a corresponding start signal, and provide a corresponding scanning control signal according to the corresponding start signal;
the frequencies of the start signals received by at least two scanning control signal generating units in the A scanning control signal generating units are different from each other, so that the frequencies of the scanning control signals provided by the at least two scanning control signal generating units are different from each other.
Optionally, the a scanning control signal generating units are independent of each other.
Optionally, the light-emitting control signal generating unit is configured to receive a light-emitting control start signal and provide the light-emitting control signal according to the light-emitting control start signal;
the scanning signal generating unit is used for receiving a scanning starting signal and providing the scanning signal according to the scanning starting signal.
Optionally, the effective display area includes a display areas arranged in sequence in a first direction, where the first direction is an extending direction of data lines included in the display panel;
the A scanning control signal generating units are arranged in the peripheral area of the display panel.
Optionally, the scan control signal generating unit includes a scan control signal generating circuit;
the A scanning control signal generating units are arranged in sequence along the first direction, or the A scanning control signal generating circuits are arranged in sequence along the second direction;
the second direction is an extending direction of a gate line included in the display panel.
Optionally, the scan control signal generating unit includes a first scan control signal generating circuit and a second scan control signal generating circuit;
first scanning control signal generation circuits included in the a scanning control signal generation units are arranged in the first direction, and second scanning control signal generation circuits included in the a scanning control signal generation units are arranged in the first direction; alternatively, the first and second electrodes may be,
the first scanning control signal generating circuits included in the a scanning control signal generating units are arranged along the second direction, and the second scanning control signal generating circuits included in the a scanning control signal generating units are arranged along the second direction;
the second direction is an extending direction of a gate line included in the display panel.
Optionally, the effective display area is a circular display area; the effective display area comprises a dynamic picture display area and a static picture display area; the static picture display area surrounds the dynamic picture display area;
the driving module comprises a first scanning control signal generating unit and a second scanning control signal generating unit;
the first scanning control signal generating unit is used for providing a first scanning control signal for the pixel circuit arranged in the static picture display area;
the second scanning control signal generating unit is used for providing a second scanning control signal for the pixel circuit arranged in the dynamic picture display area;
the frequency of the first scanning control signal is less than the frequency of the second scanning control signal.
The embodiment of the invention also provides a display device which comprises a plurality of rows and columns of display circuits arranged in the effective display area and the driving module.
Optionally, the display device according to at least one embodiment of the present invention further includes a start signal providing circuit; the driving module further comprises a scanning signal generating unit;
the starting signal providing circuit is electrically connected with the scanning control signal generating unit, the light-emitting control signal generating unit and the scanning signal generating unit, and is used for providing a starting signal for the scanning control signal generating unit, providing a light-emitting control starting signal for the light-emitting control signal generating unit and providing a scanning starting signal for the scanning signal generating unit.
Optionally, the pixel circuit includes a light emitting element, a driving circuit, and a first control circuit;
the first control circuit is respectively electrically connected with a scanning control line, the control end of the driving circuit and a connecting node and is used for controlling the communication between the control end of the driving circuit and the connecting node under the control of a scanning control signal provided by the scanning control line;
the scanning control line is electrically connected with the driving module, and the driving module is used for providing the scanning control signal for the scanning control line;
the driving circuit is used for generating a driving current for driving the light-emitting element to emit light under the control of the potential of the control end of the driving circuit.
Optionally, the first control circuit includes a first transistor; the control electrode of the first transistor is electrically connected with the scanning control line, the first electrode of the first transistor is electrically connected with the control end of the driving circuit, the second electrode of the first transistor is electrically connected with the connection node, and the first transistor is an oxide thin film transistor.
Optionally, the pixel circuit further includes a compensation control circuit, a first initialization circuit, a second initialization circuit, a data writing circuit, an energy storage circuit, and a light emission control circuit;
the light-emitting control circuit is respectively electrically connected with a light-emitting control line, a first voltage end, a first end of the driving circuit, a second end of the driving circuit and a first pole of the light-emitting element, and is used for controlling the communication between the first voltage end and the first end of the driving circuit and the communication between the second end of the driving circuit and the first pole of the light-emitting element under the control of a light-emitting control signal provided by the light-emitting control line;
the compensation control circuit is respectively electrically connected with the scanning line, the connecting node and the second end of the driving circuit and is used for controlling the connection between the connecting node and the second end of the driving circuit under the control of a scanning signal provided by the scanning line;
the first initialization circuit is respectively electrically connected with a reset control line, a first initialization voltage end and the connecting node and is used for controlling the first initialization voltage end to be communicated with the connecting node under the control of a reset control signal provided by the reset control line;
the second initialization circuit is respectively electrically connected with the scanning line, a second initial voltage end and the first pole of the light-emitting element and is used for controlling the communication between the second initial voltage end and the first pole of the light-emitting element under the control of the scanning signal;
the data writing circuit is respectively electrically connected with the scanning line, the data line and the first end of the driving circuit and is used for writing the data voltage on the data line into the first end of the driving circuit under the control of the scanning signal;
the energy storage circuit is electrically connected with the control end of the driving circuit and used for storing electric energy.
In the driving module and the display device according to the embodiments of the present invention, the effective display region may include a display regions, the driving module may include a scanning control signal generating unit, and the scanning control signal generating unit may provide a scanning control signal for the pixel circuits in the corresponding display regions according to the display refresh frequency of the corresponding display region, so as to ensure that the pixel circuits in different display regions operate at the corresponding display refresh frequency, and save power consumption.
Drawings
FIG. 1 is a schematic diagram of a display area division of an active display area;
FIG. 2 is another display area division schematic of an active display area;
FIG. 3 is a block diagram of a driving module according to at least one embodiment of the present disclosure;
fig. 4 is a waveform diagram of NGSTV1, NGSTV2, NGSTV3, PGSTV, and ESTV in fig. 3;
FIG. 5 is a block diagram of a driving module according to at least one embodiment of the present disclosure;
fig. 6 is a waveform diagram of NGSTV1, NGSTV2, NGSTV3, PGSTV, and ESTV in fig. 5;
fig. 7 is a structural diagram of a driving module according to at least one embodiment of the invention;
FIG. 8 is a waveform diagram of NGSTV1, NGSTV2, PGSTV, and ESTV of FIG. 7;
FIG. 9 is a block diagram of at least one embodiment of a pixel circuit in a display device according to the present invention;
FIG. 10 is a block diagram of at least one embodiment of a pixel circuit in a display device according to the present invention;
FIG. 11 is a circuit diagram of at least one embodiment of a pixel circuit in a display device according to the present invention;
fig. 12 is a waveform diagram of a start signal NSTV accessed by a scan control signal generation circuit for providing a scan control signal, a waveform diagram of a start signal PGSTV accessed by a scan signal generation circuit for providing a scan signal, and a waveform diagram of a start signal ESTV accessed by a light emission control signal generation circuit for providing a light emission control signal, when at least one embodiment of the pixel circuit shown in fig. 11 operates at 60 Hz;
fig. 13 is a waveform diagram of a start signal NSTV accessed by the scan control signal generation circuit for providing the scan control signal, a waveform diagram of a start signal PGSTV accessed by the scan signal generation circuit for providing the scan signal, and a waveform diagram of a start signal ESTV accessed by the light emission control signal generation circuit for providing the light emission control signal, when at least one embodiment of the pixel circuit shown in fig. 11 operates at 1 Hz.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The transistors used in all embodiments of the present invention may be transistors, thin film transistors, or field effect transistors or other devices with the same characteristics. In the embodiment of the present invention, in order to distinguish two poles of the transistor except the control pole, one pole is called a first pole, and the other pole is called a second pole.
In practical operation, when the transistor is a thin film transistor or a field effect transistor, the first electrode may be a drain electrode, and the second electrode may be a source electrode; alternatively, the first pole may be a source and the second pole may be a drain.
The driving module is contained in a display device, the display device comprises a display panel, the display panel comprises a plurality of rows and columns of pixel circuits arranged in an effective display area, and the effective display area comprises A display areas; the driving module comprises a light-emitting control signal generating unit and A scanning control signal generating units; a is an integer greater than 1;
the scanning control signal generating unit corresponds to the display area and is used for providing scanning control signals for the pixel circuits arranged in the corresponding display area according to the display refreshing frequency of the corresponding display area;
the light-emitting control signal generating unit is used for providing corresponding light-emitting control signals for the pixel circuits arranged in the effective display area.
The effective display area of the display panel included in the display device of the driving module according to the embodiment of the present invention may include a display areas, the driving module may include a scanning control signal generating unit, and the scanning control signal generating unit may provide a scanning control signal for the pixel circuits in the corresponding display areas according to the display refresh frequency of the corresponding display areas, so as to save power consumption while ensuring that the pixel circuits in different display areas operate at the corresponding display refresh frequency.
In the driving module according to at least one embodiment of the present invention, the light-emitting control signal generating unit may provide a plurality of light-emitting control signals, the frequencies of the plurality of light-emitting control signals may be the same, that is, it is not necessary to provide light-emitting control signals with different frequencies for different display regions, and the light-emitting control signal generating unit may provide light-emitting control signals with the same frequencies for the pixel circuits disposed in the effective display region.
Optionally, the driving module according to at least one embodiment of the present invention may further include a scan signal generating unit, where the scan signal generating unit is configured to provide a corresponding scan signal for the pixel circuit disposed in the effective display area.
In the driving module according to at least one embodiment of the present invention, the scan signal generating unit may provide a plurality of scan signals, the frequencies of the scan signals may be the same, that is, it is not necessary to provide scan signals with different frequencies for different display areas, and the scan signal generating unit may provide scan signals with the same frequency for the pixel circuits disposed in the effective display area.
In specific implementation, at least one of the a display areas may be a static picture display area, and at least one of the a display areas may be a dynamic picture display area, and by using the driving module according to the embodiment of the present invention, it may be ensured that the static picture display area maintains low-frequency driving, and the dynamic picture display area adopts high-frequency driving (for example, 60Hz or 120Hz driving), so that power consumption of a driving integrated circuit of the display panel may be reduced on the premise of ensuring a display effect.
As shown in fig. 1, the effective display area a0 may include a first display area AA-1, a second display area AA-2, and a third display area AA-3 sequentially arranged from top to bottom;
wherein, AA-1 and AA-3 can be static picture display areas, AA-2 can be dynamic picture display areas, the display refresh frequency corresponding to AA-1 and AA-3 can be 1Hz, and the display refresh frequency corresponding to AA-2 can be 60Hz or 120 Hz.
As shown in fig. 2, the effective display area a0 may be a circular display area; the effective display area a0 may include a first display area AA-1 and a second effective display area AA-2;
AA-1 can be a static picture display area, and AA-2 can be a dynamic picture display area;
AA-2 may be a circular area and AA-1 may be a circular area, with AA-1 being disposed around AA-2.
In at least one embodiment of the present invention, the frequencies of the scan control signals provided by at least two scan control signal generating units in the a scan control signal generating units are different from each other.
In specific implementation, the frequencies of the scanning control signals provided by at least two scanning control signal generating units are different from each other, so that the display refresh frequencies corresponding to at least two display regions are different.
In a specific implementation, the scan control signal generating unit may include a scan control signal generating circuit, and the scan control signal generating circuit is configured to provide a corresponding scan control signal to the pixel circuit in the corresponding display region; alternatively, the first and second electrodes may be,
the scan control signal generating unit may include two scan control signal generating circuits respectively disposed at opposite sides of the effective display region, and the scan control signal generating circuit is configured to provide a corresponding scan control signal to the pixel circuit in the corresponding display region.
Optionally, the scan control signal generating unit may include a scan control signal generating circuit, and the scan control signal generating circuit may be disposed at a first side of the effective display area or a second side of the effective display area; alternatively, the scan control signal generation unit may include two scan control signal generation circuits, a first scan control signal generation circuit may be disposed at a first side of the effective display area, and a second scan control signal generation circuit may be disposed at a second side of the effective display area;
the first side and the second side may be opposing sides; for example, the first side may be a left side and the second side may be a right side.
Optionally, the scanning control signal generating unit is configured to receive a corresponding start signal, and provide a corresponding scanning control signal according to the corresponding start signal;
the frequencies of the start signals received by at least two scanning control signal generating units in the A scanning control signal generating units are different from each other, so that the frequencies of the scanning control signals provided by the at least two scanning control signal generating units are different from each other.
In specific implementation, the scanning control signal generating units provide corresponding scanning control signals according to received start signals, and frequencies of the start signals received by at least two of the scanning control signal generating units are different from each other, so that the frequencies of the scanning control signals provided by at least two of the scanning control signal generating units are different from each other, and display refresh frequencies corresponding to at least two of the display regions are different.
In at least one embodiment of the present invention, the a scan control signal generating units are independent of each other.
In specific implementation, when the scan control signal generation unit includes one scan control signal generation circuit, the scan control signal generation circuits included in the a scan control signal generation units are not cascaded;
when the scan control signal generation unit includes two scan control signal generation circuits, the first scan control signal generation circuits included in the a scan control signal generation units are not cascaded with each other, and the second scan control signal generation circuits included in the a scan control signal generation units are not cascaded with each other.
Optionally, the light-emitting control signal generating unit is configured to receive a light-emitting control start signal and provide the light-emitting control signal according to the light-emitting control start signal;
the scanning signal generating unit is used for receiving a scanning starting signal and providing the scanning signal according to the scanning starting signal.
In at least one embodiment of the present invention, the light-emitting control signal generating unit may receive only one light-emitting control start signal, and provide a plurality of light-emitting control signals according to the light-emitting control start signal, so that the frequencies of the plurality of light-emitting control signals are the same;
the scan signal generation unit may receive only one scan start signal, and provide a plurality of scan signals according to the scan start signal such that the frequencies of the plurality of scan signals are the same.
According to a specific embodiment, the effective display area includes a display areas arranged in sequence in a first direction, where the first direction is an extending direction of data lines included in the display panel;
the A scanning control signal generating units are arranged in the peripheral area of the display panel.
Optionally, the scan control signal generating unit includes a scan control signal generating circuit;
the A scanning control signal generating units are arranged in sequence along the first direction, or the A scanning control signal generating circuits are arranged in sequence along the second direction;
the second direction is an extending direction of a gate line included in the display panel.
In a specific implementation, when the scan control signal generating unit includes one scan control signal generating circuit, the a scan control signal generating units may be sequentially arranged along the first direction, or the a scan control signal generating circuits are sequentially arranged along the second direction in a peripheral area of the display panel
Optionally, the scan control signal generating unit includes a first scan control signal generating circuit and a second scan control signal generating circuit;
first scanning control signal generation circuits included in the a scanning control signal generation units are arranged in the first direction, and second scanning control signal generation circuits included in the a scanning control signal generation units are arranged in the first direction; alternatively, the first and second electrodes may be,
the first scanning control signal generating circuits included in the a scanning control signal generating units are arranged along the second direction, and the second scanning control signal generating circuits included in the a scanning control signal generating units are arranged along the second direction;
the second direction is an extending direction of a gate line included in the display panel.
In a specific implementation, when the scan control signal generation unit includes two scan control signal generation circuits, the first scan control signal generation circuit may be disposed at a first side of the effective display area, the second scan control signal generation circuit may be disposed at a second side of the effective display area, a first scan control signal generation circuits are arranged in the first direction or the second direction, and a second scan control signal generation circuits are arranged in the first direction or the second direction.
According to another specific embodiment, the effective display area is a circular display area; the effective display area comprises a dynamic picture display area and a static picture display area; the static picture display area surrounds the dynamic picture display area;
the driving module comprises a first scanning control signal generating unit and a second scanning control signal generating unit;
the first scanning control signal generating unit is used for providing a first scanning control signal for the pixel circuit arranged in the static picture display area;
the second scanning control signal generating unit is used for providing a second scanning control signal for the pixel circuit arranged in the dynamic picture display area;
the frequency of the first scanning control signal is less than the frequency of the second scanning control signal.
In a specific implementation, the effective display area may be a circular display area, the driving module may include two scanning control signal generating units, and the first scanning control signal generating unit provides a first scanning control signal for the pixel circuit disposed in the static image display area; the second scanning control signal generating unit is used for providing a second scanning control signal for the pixel circuit arranged in the dynamic picture display area.
As shown in fig. 3, the effective display area a0 may include a first display area AA-1, a second display area AA-2, and a third display area AA-3 sequentially arranged from top to bottom;
wherein, AA-1 and AA-3 can be static picture display areas, AA-2 can be dynamic picture display areas, the display refresh frequency corresponding to AA-1 and AA-3 is 1Hz, and the display refresh frequency corresponding to AA-2 is 60 Hz;
the driving module according to at least one embodiment of the present invention includes a first scanning control signal generating unit, a second scanning control signal generating unit, and a third scanning control signal generating unit;
the first scan control signal generating unit includes a first scan control signal generating circuit N11 and a first second scan control signal generating circuit N12;
the second scan control signal generating unit includes a second first scan control signal generating circuit N21 and a second scan control signal generating circuit N22;
the third scan control signal generation unit includes a third first scan control signal generation circuit N31 and a third second scan control signal generation circuit N32;
n11, N21 and N31 were disposed on the left side of a0, and N12, N22 and N32 were disposed on the right side of a 0;
n11, N21 and N31 are sequentially arranged along the vertical direction, and N12, N22 and N32 are sequentially arranged along the vertical direction;
n11 and N12 provide respective scan control signals for pixel circuits in AA-1, N21 and N22 provide respective scan control signals for pixel circuits in AA-2, and N31 and N32 provide respective scan control signals for pixel circuits in AA-3.
In at least one embodiment shown in fig. 3, the first side is a left side, the second side is a right side, and the first direction is a vertical direction.
As shown in fig. 3, N11 and N12 access the first start signal NGSTV1, N21 and N22 access the second start signal NGSTV2, and N31 and N32 access the third start signal NGSTV 3;
in fig. 4, one frame period is denoted by F1 for the first display area AA-1 and the third display area AA-3, and the duration of F1 may be 1 s. As shown in fig. 4, the frequency of NGSTV1 and NGSTV3 may be 1Hz, and the frequency of NGSTV2 may be 60 Hz.
In fig. 4, for the first display area AA-1 and the third display area AA-3, reference numeral F11 is a data refresh period, and the time included in F1 other than F11 may be a data retention time.
As shown in fig. 3, the driving module according to at least one embodiment of the present invention may further include a scan signal generating unit and a light emitting control signal generating unit; the scan signal generating unit includes a first scan signal generating circuit P1 and a second scan signal generating circuit P2; the light emission control signal generation unit includes a first light emission control signal generation circuit EM1 and a second light emission control signal generation circuit EM 2;
the P1 and the P2 are used for providing corresponding scanning signals for the pixel circuit in A0; p1 and P2 are both connected with a scanning starting signal PGSTV, and EM1 and EM2 are both connected with a light-emitting control starting signal ESTV;
EM1 and EM2 were used to provide the corresponding light emission control signals for the pixel circuits in a 0;
the frequencies of the scanning signals provided by the pixel circuits in the A0 are the same for the P1, and the frequencies of the scanning signals provided by the pixel circuits in the A0 are the same for the P2;
the frequency of the light emission control signal supplied by EM1 to the pixel circuit in a0 is the same, and the frequency of the light emission control signal supplied by EM2 to the pixel circuit in a0 is the same.
Fig. 4 shows a waveform of NGSTV1, a waveform of NGSTV2, a waveform of NGSTV3, a waveform of PGSTV, and a waveform of ESTV.
By using the driving module shown in fig. 3, the static image display area can be driven at a low frequency, and the dynamic image display area can be driven at 60Hz, so as to reduce power consumption (AA-1 and AA-3 can be static image display areas, and AA-2 can be dynamic image display areas).
In at least one embodiment of the driving module shown in fig. 3, there is no cascade relationship among N11, N21, and N31, and there is no cascade relationship among N12, N22, and N32.
As shown in fig. 5, the effective display area a0 may include a first display area AA-1, a second display area AA-2, and a third display area AA-3 sequentially arranged from top to bottom;
wherein, AA-1 and AA-3 can be static picture display areas, AA-2 can be dynamic picture display areas, the display refresh frequency corresponding to AA-1 and AA-3 is 1Hz, and the display refresh frequency corresponding to AA-2 is 60 Hz;
the driving module according to at least one embodiment of the present invention includes a first scanning control signal generating unit, a second scanning control signal generating unit, and a third scanning control signal generating unit;
the first scan control signal generating unit includes a first scan control signal generating circuit N11 and a first second scan control signal generating circuit N12;
the second scan control signal generating unit includes a second first scan control signal generating circuit N21 and a second scan control signal generating circuit N22;
the third scan control signal generation unit includes a third first scan control signal generation circuit N31 and a third second scan control signal generation circuit N32;
n11, N21 and N31 were disposed on the left side of a0, and N12, N22 and N32 were disposed on the right side of a 0;
n11, N21 and N31 are sequentially arranged along the horizontal direction, and N12, N22 and N32 are sequentially arranged along the horizontal direction;
n11 and N12 provide respective scan control signals for pixel circuits in AA-1, N21 and N22 provide respective scan control signals for pixel circuits in AA-2, and N31 and N32 provide respective scan control signals for pixel circuits in AA-3.
In at least one embodiment shown in fig. 5, the first side is a left side, the second side is a right side, and the first direction is a vertical direction.
As shown in fig. 5, N11 and N12 access the first start signal NGSTV1, N21 and N22 access the second start signal NGSTV2, and N31 and N32 access the third start signal NGSTV 3;
in fig. 6, one frame period is denoted by F1 for the first display area AA-1 and the third display area AA-3, and the duration of F1 may be 1 s. As shown in fig. 4, the frequency of NGSTV1 and NGSTV3 may be 1Hz, and the frequency of NGSTV2 may be 60 Hz.
In fig. 6, for the first display area AA-1 and the third display area AA-3, reference numeral F11 is a data refresh period, and the time included in F1 other than F11 may be a data retention time.
As shown in fig. 5, the driving module according to at least one embodiment of the present invention may further include a scan signal generating unit and a light emitting control signal generating unit; the scan signal generating unit includes a first scan signal generating circuit P1 and a second scan signal generating circuit P2; the light emission control signal generation unit includes a first light emission control signal generation circuit EM1 and a second light emission control signal generation circuit EM 2;
the P1 and the P2 are used for providing corresponding scanning signals for the pixel circuit in A0; p1 and P2 are both connected with a scanning starting signal PGSTV, and EM1 and EM2 are both connected with a light-emitting control starting signal ESTV;
EM1 and EM2 were used to provide the corresponding light emission control signals for the pixel circuits in a 0;
the frequencies of the scanning signals provided by the pixel circuits in the A0 are the same for the P1, and the frequencies of the scanning signals provided by the pixel circuits in the A0 are the same for the P2;
the frequency of the light emission control signal supplied by EM1 to the pixel circuit in a0 is the same, and the frequency of the light emission control signal supplied by EM2 to the pixel circuit in a0 is the same.
In at least one embodiment of the driving module shown in FIG. 5, N11 is electrically connected to only the pixel circuit in AA-1, N21 is electrically connected to only the pixel circuit in AA-2, and N31 is electrically connected to only the pixel circuit in AA-3; n12 is electrically connected only to the pixel circuit in AA-1, N22 is electrically connected only to the pixel circuit in AA-2, and N32 is electrically connected only to the pixel circuit in AA-3.
Fig. 6 shows a waveform of NGSTV1, a waveform of NGSTV2, a waveform of NGSTV3, a waveform of PGSTV, and a waveform of ESTV.
By using the driving module shown in fig. 5, the static image display area can be driven at a low frequency, and the dynamic image display area can be driven at 60Hz, so as to reduce power consumption (AA-1 and AA-3 can be static image display areas, and AA-2 can be dynamic image display areas).
In at least one embodiment of the driving module shown in fig. 5, there is no cascade relationship among N11, N21, and N31, and there is no cascade relationship among N12, N22, and N32.
As shown in fig. 7, the effective display area a0 may be a circular display area; the effective display area a0 may include a first display area AA-1 and a second effective display area AA-2;
AA-1 is a static picture display area, and AA-2 is a dynamic picture display area;
AA-2 is a circular area, AA-1 is a circular area, and AA-1 is arranged around AA-2;
the driving module according to at least one embodiment of the present invention includes a first scanning control signal generating unit and a second scanning control signal generating unit;
as shown in fig. 7, the first scan control signal generating unit includes a first scan control signal generating circuit N1;
the second scan control signal generation unit includes a second scan control signal generation circuit N2;
n1 provides the corresponding scan control signals for the pixel circuits in AA-1, and N2 provides the corresponding scan control signals for the pixel circuits in AA-2.
As shown in fig. 7, N1 asserts the first start signal NGSTV1 and N2 asserts the second start signal NGSTV 2.
As shown in fig. 7, the driving module according to at least one embodiment of the present invention further includes a scan signal generating unit P0 and a light emitting control signal generating unit EM 1;
p0 is used for providing corresponding scanning signals for the pixel circuit in a0, and EM is used for providing corresponding light emission control signals for the pixel circuit in a 0;
the frequencies of the scanning signals provided by the pixel circuits in a0 by P0 are the same, and the frequencies of the light emission control signals provided by the pixel circuits in a0 by EM are the same;
n1 and N2 were placed to the left of A0, and P0 and EM were placed to the right of A0.
As shown in fig. 7, P0 receives the scanning start signal PGSTV, and EM receives the emission control start signal ESTV.
In fig. 8, F1 may last for 1s for a frame period denoted by F1 for the first display area AA-1. As shown in fig. 8, the frequency of NGSTV1 is 1Hz and the frequency of NGSTV2 is 60 Hz.
In fig. 8, for the first display area AA-1, reference numeral F11 is a data refresh period, and the time included in F1 other than F11 may be a data retention time.
By using the driving module shown in fig. 7, the static image display area can be driven at a low frequency, and the dynamic image display area can be driven at 60Hz, so as to reduce power consumption (AA-1 can be the static image display area, and AA-2 can be the dynamic image display area).
The display device comprises a plurality of rows and columns of display circuits arranged in an effective display area and the driving module.
In a specific implementation, the display device may further include a start signal providing circuit; the driving module further comprises a scanning signal generating unit;
the start signal providing circuit is electrically connected with the scanning control signal generating unit, the light-emitting control signal generating unit and the scanning signal generating unit, and is used for providing a start signal for the scanning control signal generating unit, controlling the frequency of the scanning control signal output by the scanning control generating unit by controlling the frequency of the start signal, providing a light-emitting control start signal for the light-emitting control signal generating circuit, and providing a scanning start signal for the scanning signal generating circuit.
In a specific implementation, the start signal providing circuit may be disposed in a driving integrated circuit included in the display device, but is not limited thereto.
Alternatively, as shown in fig. 9, at least one embodiment of the pixel circuit includes a light emitting element (not shown in fig. 9), a driving circuit 90, and a first control circuit 91;
the first control circuit 91 is electrically connected to a scan control line Gate _ N, a control terminal of the driving circuit 90 and a connection node N0, respectively, and is configured to control the connection between the control terminal of the driving circuit 90 and the connection node N0 under the control of a scan control signal provided by the scan control line Gate _ N;
the scan control line Gate _ N is electrically connected to the driving module (not shown in fig. 9), and the driving module is configured to provide the scan control signal to the scan control line Gate _ N;
the driving circuit 90 is used for generating a driving current for driving the light emitting element to emit light under the control of the potential of the control terminal.
When at least one embodiment of the pixel circuit works, the display refreshing frequency depends on the frequency of the scanning control signal output by the Gate _ N.
In at least one embodiment of the pixel circuit shown in fig. 9, the first control circuit 91 includes n-type transistors.
In at least one embodiment of the present invention, the first control circuit may include a first transistor; the control electrode of the first transistor is electrically connected with the scanning control line, the first electrode of the first transistor is electrically connected with the control end of the driving circuit, the second electrode of the first transistor is electrically connected with the connection node, and the first transistor is an oxide thin film transistor.
Optionally, as shown in fig. 10, on the basis of at least one embodiment of the pixel circuit shown in fig. 9, the pixel circuit further includes a compensation control circuit 92, a first initialization circuit 93, a second initialization circuit 94, a data writing circuit 95, a tank circuit 96, and a light emission control circuit 97;
the light-emitting control circuit 97 is electrically connected to a light-emitting control line E1, a first voltage terminal V1, a first terminal of the driving circuit 90, a second terminal of the driving circuit 90 and a first electrode of the light-emitting element EL, respectively, for controlling the communication between the first voltage terminal V1 and the first terminal of the driving circuit 90 and the communication between the second terminal of the driving circuit 90 and the first electrode of the light-emitting element EL under the control of a light-emitting control signal provided by the light-emitting control line E1; the second pole of the light emitting element EL is electrically connected to a second voltage terminal V2;
the compensation control circuit 92 is electrically connected to the scan line Gate _ P, the connection node N0 and the second end of the driving circuit 90, respectively, and is configured to control the connection node N0 and the second end of the driving circuit 90 to communicate with each other under the control of a scan signal provided by the scan line Gate _ P;
the first initialization circuit 93 is electrically connected to a Reset control line Reset _ P, a first initialization voltage terminal and the connection node N0, respectively, and is configured to control the connection between the first initialization voltage terminal and the connection node N0 under the control of a Reset control signal provided by the Reset control line Reset _ P; the first initialization voltage terminal is used for providing a first initialization voltage Vi 1;
the second initialization circuit 94 is electrically connected to the scan line Gate _ P, a second initial voltage terminal, and the first pole of the light emitting element EL, respectively, and is configured to control communication between the second initial voltage terminal and the first pole of the light emitting element EL under the control of the scan signal; the second initial voltage terminal is used for providing a second initial voltage Vi 2;
the Data writing circuit 95 is electrically connected to the scan line Gate _ P, the Data line Data, and the first end of the driving circuit 90, and is configured to write the Data voltage Vdata on the Data line Data into the first end of the driving circuit 90 under the control of the scan signal;
the energy storage circuit 96 is electrically connected to the control terminal of the driving circuit 90 for storing electric energy.
In at least one embodiment of the pixel circuit shown in fig. 10, the first initial voltage terminal and the second initial voltage terminal may be the same voltage terminal, the light emitting element EL may be an organic light emitting diode, the first pole of the light emitting element may be an anode of the organic light emitting diode, and the second pole of the light emitting element may be a cathode of the organic light emitting diode; the first voltage terminal V1 may be a high voltage terminal, and the second voltage terminal V2 may be a low voltage terminal; but not limited thereto.
As shown in fig. 11, on the basis of at least one embodiment of the pixel circuit shown in fig. 10, the first control circuit 91 includes a first transistor T1; the driving circuit 90 includes a driving transistor T0; the light-emitting element is an organic light-emitting diode O1;
a Gate electrode of the first transistor T1 is electrically connected to the scan control line Gate _ N, a source electrode of the first transistor T1 is electrically connected to a Gate electrode of the driving transistor T0, and a drain electrode of the first transistor T1 is electrically connected to the connection node N0;
the compensation control circuit 92 includes a second transistor T2, the first initialization circuit 93 includes a third transistor T3, the second initialization circuit 94 includes a fourth transistor T4, the data write circuit 95 includes a fifth transistor T5, the tank circuit 96 includes a storage capacitor C, and the light emission control circuit includes a sixth transistor T6 and a seventh transistor;
the grid of the T2 is electrically connected with the scanning line Gate _ P, the source of the T2 is electrically connected with the connection node N0, and the drain of the T2 is electrically connected with the drain of the T0;
a gate of T3 is electrically connected to a Reset control line Reset _ P, a source of T3 is connected to an initialization voltage Vi, and a drain of T3 is electrically connected to a connection node N0;
the grid of the T4 is electrically connected with the scanning line Gate _ P, the source of the T4 is connected with an initialization voltage Vi, and the drain of the T4 is electrically connected with the anode of the O1;
the grid of T5 is electrically connected with the scanning line Gate _ P, the source of T5 is electrically connected with the Data line Data, the drain of T5 is electrically connected with the source of T0;
the gate of the T6 is electrically connected with the light-emitting control line E1, the source of the T6 is electrically connected with the high-voltage end VDD, and the drain of the T6 is electrically connected with the source of the T0;
the grid of T7 is electrically connected with the light-emitting control line E1, the source of T7 is electrically connected with the drain of T0, and the drain of T7 is electrically connected with the anode of O1;
the cathode of O1 is electrically connected to a low voltage terminal VSS.
In at least one embodiment of the pixel circuit shown in fig. 11, T0, T2, T3, T4, T5, T6 and T7 are p-type transistors, and T1 is an n-type transistor, but not limited thereto.
In at least one embodiment of the pixel circuit shown in fig. 11, the first initialization voltage and the second initialization voltage are both the initialization voltage Vi.
In at least one embodiment of the pixel circuit shown in fig. 11, the reset control signal may also be provided by a scan signal generating unit that provides a scan signal.
When at least one embodiment of the pixel circuit shown in fig. 11 operates at 60Hz, waveforms of a start signal NSTV accessed by the scan control signal generation circuit for providing the scan control signal, a start signal PGSTV accessed by the scan signal generation circuit for providing the scan signal, and a start signal ESTV accessed by the light emission control signal generation circuit for providing the light emission control signal are shown in fig. 12.
When at least one embodiment of the pixel circuit shown in fig. 11 operates at 1Hz, waveforms of a start signal NSTV accessed by the scan control signal generation circuit for providing the scan control signal, a start signal PGSTV accessed by the scan signal generation circuit for providing the scan signal, and a start signal ESTV accessed by the light emission control signal generation circuit for providing the light emission control signal are shown in fig. 13.
As shown in fig. 13, when the pixel circuit operates at a low display refresh frequency, it may be provided that the frequency of the start signal NSTV switched in by the scan control signal generation circuit that supplies the scan control signal is changed to 1Hz to lengthen the retention time of the gate voltage of T0.
In a specific implementation, the driving module may include a scanning signal generating unit and a light emitting control signal generating unit disposed in a peripheral region of the display panel;
the scanning signal generating unit is used for generating the scanning signal and the reset control signal;
the light emission control signal generation unit is configured to generate the light emission control signal.
In the embodiment of the present invention, the scan signal may be an a-th scan signal provided by the scan signal generating unit, and the reset control signal may be an a-1-th scan signal provided by the scan signal generating unit, but is not limited thereto; wherein a may be a positive integer.
The display device provided by the embodiment of the invention can be any product or component with a display function, such as a mobile phone, a tablet personal computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (17)
1. A driving module is contained in a display device, the display device comprises a display panel, the display panel comprises a plurality of rows and columns of pixel circuits arranged in an effective display area, and the effective display area comprises A display areas; the driving module is characterized by comprising a light-emitting control signal generating unit and A scanning control signal generating units; a is an integer greater than 1;
the scanning control signal generating unit corresponds to the display area and is used for providing corresponding scanning control signals for the pixel circuits arranged in the corresponding display area according to the display refreshing frequency of the corresponding display area;
the light-emitting control signal generating unit is used for providing corresponding light-emitting control signals for the pixel circuits arranged in the effective display area.
2. The driving module according to claim 1, further comprising a scan signal generating unit, wherein the scan signal generating unit is configured to provide corresponding scan signals to the pixel circuits disposed in the effective display area.
3. The driving module of claim 1, wherein at least two of the a scan control signal generating units provide scan control signals with different frequencies;
the frequencies of the light emission control signals provided by the light emission control signal generation units are the same.
4. The driving module of claim 2, wherein the scanning signals provided by the scanning signal generating unit have the same frequency.
5. The driving module according to claim 1, wherein the scan control signal generating unit comprises a scan control signal generating circuit, and the scan control signal generating circuit is configured to provide corresponding scan control signals to the pixel circuits in the corresponding display region; alternatively, the first and second electrodes may be,
the scanning control signal generating unit comprises two scanning control signal generating circuits, the two scanning control signal generating circuits are respectively arranged on two opposite sides of the effective display area, and the scanning control signal generating circuits are used for providing corresponding scanning control signals for pixel circuits in the corresponding display areas.
6. The driving module according to claim 1, wherein the scan control signal generating unit is configured to receive a corresponding start signal and provide a corresponding scan control signal according to the corresponding start signal;
the frequencies of the start signals received by at least two scanning control signal generating units in the A scanning control signal generating units are different from each other, so that the frequencies of the scanning control signals provided by the at least two scanning control signal generating units are different from each other.
7. The driving module of claim 1, wherein the a scan control signal generating units are independent of each other.
8. The driving module according to claim 2, wherein the light-emitting control signal generating unit is configured to receive a light-emitting control start signal and provide the light-emitting control signal according to the light-emitting control start signal;
the scanning signal generating unit is used for receiving a scanning starting signal and providing the scanning signal according to the scanning starting signal.
9. The driving module according to any one of claims 1 to 8, wherein the effective display area includes a display areas arranged in sequence in a first direction, and the first direction is an extending direction of data lines included in the display panel;
the A scanning control signal generating units are arranged in the peripheral area of the display panel.
10. The driving module of claim 9, wherein the scan control signal generating unit includes a scan control signal generating circuit;
the A scanning control signal generating units are arranged in sequence along the first direction, or the A scanning control signal generating circuits are arranged in sequence along the second direction;
the second direction is an extending direction of a gate line included in the display panel.
11. The driver module according to claim 9, wherein the scan control signal generating unit includes a first scan control signal generating circuit and a second scan control signal generating circuit;
first scanning control signal generation circuits included in the a scanning control signal generation units are arranged in the first direction, and second scanning control signal generation circuits included in the a scanning control signal generation units are arranged in the first direction; alternatively, the first and second electrodes may be,
the first scanning control signal generating circuits included in the a scanning control signal generating units are arranged along the second direction, and the second scanning control signal generating circuits included in the a scanning control signal generating units are arranged along the second direction;
the second direction is an extending direction of a gate line included in the display panel.
12. The driving module according to any of claims 1 to 8, wherein the effective display area is a circular display area; the effective display area comprises a dynamic picture display area and a static picture display area; the static picture display area surrounds the dynamic picture display area;
the driving module comprises a first scanning control signal generating unit and a second scanning control signal generating unit;
the first scanning control signal generating unit is used for providing a first scanning control signal for the pixel circuit arranged in the static picture display area;
the second scanning control signal generating unit is used for providing a second scanning control signal for the pixel circuit arranged in the dynamic picture display area;
the frequency of the first scanning control signal is less than the frequency of the second scanning control signal.
13. A display device comprising a plurality of rows and columns of display circuits arranged in an active display area and a driving module according to any one of claims 1 to 12.
14. The display device according to claim 13, further comprising a start signal supply circuit; the driving module further comprises a scanning signal generating unit;
the starting signal providing circuit is electrically connected with the scanning control signal generating unit, the light-emitting control signal generating unit and the scanning signal generating unit, and is used for providing a starting signal for the scanning control signal generating unit, providing a light-emitting control starting signal for the light-emitting control signal generating unit and providing a scanning starting signal for the scanning signal generating unit.
15. The display device according to claim 13, wherein the pixel circuit includes a light emitting element, a driver circuit, and a first control circuit;
the first control circuit is respectively electrically connected with a scanning control line, the control end of the driving circuit and a connecting node and is used for controlling the communication between the control end of the driving circuit and the connecting node under the control of a scanning control signal provided by the scanning control line;
the scanning control line is electrically connected with the driving module, and the driving module is used for providing the scanning control signal for the scanning control line;
the driving circuit is used for generating a driving current for driving the light-emitting element to emit light under the control of the potential of the control end of the driving circuit.
16. The display device according to claim 15, wherein the first control circuit comprises a first transistor; the control electrode of the first transistor is electrically connected with the scanning control line, the first electrode of the first transistor is electrically connected with the control end of the driving circuit, the second electrode of the first transistor is electrically connected with the connection node, and the first transistor is an oxide thin film transistor.
17. The display device according to claim 15, wherein the pixel circuit further comprises a compensation control circuit, a first initialization circuit, a second initialization circuit, a data writing circuit, a tank circuit, and a light emission control circuit;
the light-emitting control circuit is respectively electrically connected with a light-emitting control line, a first voltage end, a first end of the driving circuit, a second end of the driving circuit and a first pole of the light-emitting element, and is used for controlling the communication between the first voltage end and the first end of the driving circuit and the communication between the second end of the driving circuit and the first pole of the light-emitting element under the control of a light-emitting control signal provided by the light-emitting control line;
the compensation control circuit is respectively electrically connected with the scanning line, the connecting node and the second end of the driving circuit and is used for controlling the connection between the connecting node and the second end of the driving circuit under the control of a scanning signal provided by the scanning line;
the first initialization circuit is respectively electrically connected with a reset control line, a first initialization voltage end and the connecting node and is used for controlling the first initialization voltage end to be communicated with the connecting node under the control of a reset control signal provided by the reset control line;
the second initialization circuit is respectively electrically connected with the scanning line, a second initial voltage end and the first pole of the light-emitting element and is used for controlling the communication between the second initial voltage end and the first pole of the light-emitting element under the control of the scanning signal;
the data writing circuit is respectively electrically connected with the scanning line, the data line and the first end of the driving circuit and is used for writing the data voltage on the data line into the first end of the driving circuit under the control of the scanning signal;
the energy storage circuit is electrically connected with the control end of the driving circuit and used for storing electric energy.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024046063A1 (en) * | 2022-08-29 | 2024-03-07 | 京东方科技集团股份有限公司 | Display device and refresh driving method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737607A (en) * | 2012-07-23 | 2012-10-17 | 青岛海信电器股份有限公司 | Display control device, display control method and display device of liquid crystal screen |
| CN106205449A (en) * | 2014-10-16 | 2016-12-07 | 三星显示有限公司 | Display device, the method for driving display floater and the driver for display device |
| CN110070821A (en) * | 2019-05-31 | 2019-07-30 | 上海天马微电子有限公司 | A kind of display panel and its driving method and display device |
| CN110111738A (en) * | 2019-05-31 | 2019-08-09 | 京东方科技集团股份有限公司 | Pixel circuit, display base plate, display device and driving method |
| CN112309326A (en) * | 2019-07-26 | 2021-02-02 | 三星显示有限公司 | Display device performing multi-frequency driving |
| CN112449714A (en) * | 2019-07-01 | 2021-03-05 | 京东方科技集团股份有限公司 | Display panel, display device and driving method |
-
2021
- 2021-08-16 CN CN202110936635.2A patent/CN113643664B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737607A (en) * | 2012-07-23 | 2012-10-17 | 青岛海信电器股份有限公司 | Display control device, display control method and display device of liquid crystal screen |
| CN106205449A (en) * | 2014-10-16 | 2016-12-07 | 三星显示有限公司 | Display device, the method for driving display floater and the driver for display device |
| CN110070821A (en) * | 2019-05-31 | 2019-07-30 | 上海天马微电子有限公司 | A kind of display panel and its driving method and display device |
| CN110111738A (en) * | 2019-05-31 | 2019-08-09 | 京东方科技集团股份有限公司 | Pixel circuit, display base plate, display device and driving method |
| CN112449714A (en) * | 2019-07-01 | 2021-03-05 | 京东方科技集团股份有限公司 | Display panel, display device and driving method |
| CN112309326A (en) * | 2019-07-26 | 2021-02-02 | 三星显示有限公司 | Display device performing multi-frequency driving |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024046063A1 (en) * | 2022-08-29 | 2024-03-07 | 京东方科技集团股份有限公司 | Display device and refresh driving method |
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