WO2020155268A1 - 显示面板的驱动方法、驱动装置及显示设备 - Google Patents
显示面板的驱动方法、驱动装置及显示设备 Download PDFInfo
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- WO2020155268A1 WO2020155268A1 PCT/CN2019/076253 CN2019076253W WO2020155268A1 WO 2020155268 A1 WO2020155268 A1 WO 2020155268A1 CN 2019076253 W CN2019076253 W CN 2019076253W WO 2020155268 A1 WO2020155268 A1 WO 2020155268A1
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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
- G09G3/34—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
- G09G3/3607—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 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
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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
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0439—Pixel structures
- G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0242—Compensation of deficiencies in the appearance of colours
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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
- G09G3/34—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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3614—Control of polarity reversal in general
-
- 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
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3674—Details of drivers for scan electrodes
- G09G3/3677—Details of drivers for scan electrodes suitable for active matrices only
Definitions
- This application relates to the field of liquid crystal display technology, and in particular to a driving method, a driving device, and a display device of a display panel.
- the current large-size liquid crystal display panels are mostly negative vertical arrangement (Vertical Alignment, VA) liquid crystal or in-plane switching (In-Plane Switching, IPS) liquid crystal.
- VA Vertical Alignment
- IPS In-Plane Switching
- VA liquid crystal technology Comparing VA liquid crystal technology with IPS liquid crystal technology, we can find that VA liquid crystal technology has higher production efficiency and lower manufacturing cost, but it is inferior to IPS liquid crystal technology in terms of optical properties, and has obvious defects in optical properties. .
- the general solution is to further divide the sub-pixels into main pixels and sub-pixels. After dividing the main pixels and sub-pixels, if the display panel is viewed from a larger viewing angle, the pixel The trend of brightness changes with voltage is close to the trend of voltage changes when viewing the display panel from a smaller viewing angle.
- the main purpose of the present application is to provide a driving method, display device and display device of a display panel, aiming to effectively improve the color shift phenomenon without affecting the transmittance of the panel.
- the present application proposes a method for driving a display panel, the display panel includes a display array, the display array includes pixels arranged in an array, and a single pixel is composed of three sub-pixels; driving of the display panel Methods include:
- the first scan driving signal includes a first main scan signal and a first slave scan signal
- the second scan driving signal includes a second main scan signal and a second slave scan signal
- the even-numbered column sub-pixels in the first row in the driving period are driven by the first main scanning signal, and the first row in the driving period is
- the odd-numbered column sub-pixels in the second row in the driving cycle are driven by the first slave scanning signal, and the odd-numbered column sub-pixels in the second row in the driving cycle are driven by the first slave scan signal.
- the even-numbered sub-pixels in the two rows are driven by the second slave scanning signal.
- the data driving signal shortens the driving time of the first scan driving signal so that the driving time of the first scan driving signal corresponds to the driving time of the preset data driving signal
- the method further includes:
- the polarities of two adjacent sub-pixels are set to opposite polarities.
- the driving period is to scan two adjacent rows of sub-pixels, and the even-numbered column sub-pixels in the first row in the driving period are driven by the first main scanning signal to drive the The odd-numbered column sub-pixels in the first row in the driving period are driven by the second main scanning signal; and the odd-numbered column sub-pixels in the second row in the driving period are driven by the first slave scanning signal,
- the method further includes:
- Two adjacent rows of sub-pixels in the same column are driven by the same data driving signal.
- the method further includes:
- Two adjacent sub-pixels in the same column are driven by using the preset data driving signal, and the preset data driving signal is an average value of the historical driving signals of the two adjacent sub-pixels.
- the first scan driving signal, the second scan driving signal, and the preset data driving signal are acquired, and the driving time of the first scan driving signal is shortened, so that the After the step of driving time corresponding to the driving time of the preset data driving signal, the method further includes:
- Receiving an inversion signal inverting the second scan driving signal and the preset data driving signal according to the inversion signal, to obtain the inverted second scan driving signal and the inverted preset data driving Signal to shorten the driving time of the inverted second scan driving signal, so that the driving time of the first scan driving signal corresponds to the driving time of the inverted preset data driving signal.
- the present application also proposes a driving device for a display panel.
- the display panel includes a display array, the display array includes pixels arranged in an array, and a single pixel is composed of three sub-pixels;
- Driving device of the panel :
- the acquisition circuit is configured to acquire the first scan driving signal, the second scan driving signal, and the preset data driving signal, and shorten the driving time of the first scan driving signal to make the driving time of the first scan driving signal
- the drive time corresponding to the preset data drive signal is shortened;
- the first scan drive signal includes a first main scan signal and a first slave scan signal, and the second scan drive signal includes a second main scan signal and a second Slave scan signal;
- the driving circuit is configured to use the scanning of two adjacent rows of sub-pixels as a driving period, and use the first main scanning signal to drive the even-numbered column sub-pixels in the first row in the driving period to drive the driving period
- the odd-numbered sub-pixels in the first row in the first row are driven by the second main scanning signal; and the odd-numbered sub-pixels in the second row in the driving period are driven by the first slave scanning signal to drive all
- the even-numbered column sub-pixels in the second row in the driving period are driven by the second slave scanning signal.
- this application also proposes a display device, the display device includes: a display panel, a memory, a processor, and a display panel that is stored on the memory and can run on the processor.
- Executing instructions the display panel includes a display array, the display array includes pixels arranged in an array, a single pixel is composed of three sub-pixels, the processor executes the executable instructions, the executable instructions include:
- the first scan driving signal includes a first main scan signal and a first slave scan signal
- the second scan driving signal includes a second main scan signal and a second slave scan signal
- the even-numbered column sub-pixels in the first row in the driving period are driven by the first main scanning signal, and the first row in the driving period is
- the odd-numbered column sub-pixels in the second row in the driving period are driven by the first slave scanning signal
- the odd-numbered column sub-pixels in the second row in the driving period are driven by the first slave scanning signal.
- the even-numbered sub-pixels in the two rows are driven by the second slave scanning signal.
- the sub-pixels in the same row have two different scan driving signals.
- the sub-pixels in the odd rows and the sub-pixels in the even rows of the same row use different scan driving signals.
- Two different scan drive signals are used for driving, and the drive time of the scan drive signal relative to the data drive signal is controlled at the same time, so that the drive time of the two scan drive signals is different, so that the sub-pixels on the two rows of scan drive signals.
- the charging ability is different, and the adjacent sub-pixels in the display array are driven in a high and low voltage interleaved arrangement, so as to achieve the purpose of reducing color shift.
- FIG. 1 is a schematic diagram of a display device structure of a hardware operating environment involved in a solution of an embodiment of the present application
- FIG. 2a is a schematic structural diagram of an embodiment of an exemplary display array
- FIG. 2b is a schematic diagram of driving timing of an exemplary display array
- FIG. 3a is a schematic structural diagram of an embodiment of the display array of this application.
- Figure 3b is a schematic diagram of the driving sequence of an embodiment of the display array of this application.
- FIG. 4 is a schematic flowchart of a first embodiment of a driving method for a display panel of this application
- Figure 5 is a schematic diagram of the driving sequence after the inversion of the embodiment of the application.
- FIG. 6 is a schematic structural diagram of another embodiment of the display array of this application.
- FIG. 7 is a schematic structural diagram of an embodiment of a display device of this application.
- FIG. 1 is a schematic diagram of a display panel device of a hardware operating environment involved in a solution of an embodiment of the application.
- the display device may include: a processor 1001, such as a CPU, a communication bus 1002, a user interface 1003, a display panel 1004, and a memory 1005.
- the communication bus 1002 is used to implement connection and communication between these components.
- the user interface 1003 can be used to connect an input unit such as a keyboard.
- the memory 1005 can be a high-speed RAM memory or a stable memory (non-volatile memory), such as disk storage.
- the memory 1005 may also be a storage device independent of the aforementioned processor 1001
- the display panel 1004 may be a liquid crystal display panel, or other display panels that can implement the same or similar functions.
- FIG. 1 does not constitute a limitation on the display device, and may include more or less components than those shown in the figure, or a combination of certain components, or different component arrangements.
- the memory 1005 as a storage medium may include an operating system user interface module and executable instructions of a display panel.
- the display device of the present application calls the executable instructions of the display panel stored in the memory 1005 through the processor 1001 and executes the steps of the driving method of the display panel.
- FIG. 2a is a schematic structural diagram of an exemplary display array
- the original liquid crystal display panel is designed to scan driving signals through the same row of sub-pixels, and the scan driving signals for each row are as shown in the driving timing diagram of the display array illustrated in FIG. 2b, where Vg1, Vg2, Vg3 Etc. means that the drive voltages of the scan drive signals in each row are the same, and the relative timing and overlap time of the scan drive signal relative to the data drive signal timing are the same, so each sub-pixel has the same charging ability.
- Vg1, Vg2, Vg3 Etc. means that the drive voltages of the scan drive signals in each row are the same, and the relative timing and overlap time of the scan drive signal relative to the data drive signal timing are the same, so each sub-pixel has the same charging ability.
- high-voltage sub-pixels and low-voltage sub-pixels need to be interleaved to improve the color shift.
- the data driving voltage Vgd needs to be driven in sequence according to the high and low voltage requirements of each sub-pixel, as shown in Figure 2a.
- the high-voltage sub-pixel driving voltage VGd_1 is next to the next adjacent low-voltage sub-pixel VGd_2.
- the sub-pixels in the same column are driven by high-voltage and low-voltage sub-pixel signals in sequence.
- the two adjacent sub-pixels are driven together The characteristics are different. As the resolution of the panel increases, the number of sub-pixels in the same row increases, which will increase the driving frequency and increase the load of the driver IC, which increases the power consumption of the driver IC and the risk of the driver IC temperature rising.
- FIG. 3a is a schematic diagram of the structure of an embodiment of the display array of this embodiment
- FIG. 3b is a schematic diagram of the driving sequence corresponding to the display array of this embodiment.
- the display panel of the display array may be a liquid crystal display panel, or may be other to achieve the same Or a display panel with similar functions. This embodiment does not limit this.
- a liquid crystal display panel is taken as an example for description.
- the display panel includes a display array, and the display array includes pixels arranged in an array. A single pixel is composed of three sub-pixels.
- the pixel includes a first pixel and a second pixel.
- the first pixel and the second pixel are alternately arranged in the first direction and in the second direction.
- the pixel includes the first sub-pixel.
- Pixels, second sub-pixels, and third sub-pixels correspond to a red sub-pixel (R), a green sub-pixel (G), and a blue sub-pixel ( B), wherein the first direction is a row direction, and the second direction is a column direction.
- R red sub-pixel
- G green sub-pixel
- B blue sub-pixel
- FIG. 4 is a schematic flowchart of a first embodiment of a driving method for a display panel of the present application.
- the driving method of the display panel includes the following steps:
- Step S10 acquiring a first scan driving signal, a second scan driving signal, and a preset data driving signal, and shorten the driving time of the first scan driving signal, so that the driving time of the first scan driving signal corresponds to
- the drive time of the preset data drive signal is shortened;
- the first scan drive signal includes a first main scan signal and a first slave scan signal, and the second scan drive signal includes a second main scan signal and a second slave scan signal.
- the first preset scan drive signal is Vg1
- the second preset scan drive signal is Vg2
- the preset data drive signal is Vgd.
- T in FIG. 3b - ⁇ t is the driving time of the first preset scan driving signal corresponding to the preset data driving signal
- T is the driving time before the improvement. It can be seen from the figure that the driving time of Vg1 relative to the preset data driving signal is reduced ⁇ t, so that the charging capacity of the two adjacent sub-pixels in the same column are different, so that the charging capacity of the sub-pixel connected to Vg1 is less than the charging capacity of the sub-pixel connected to Vg2, so that two adjacent sub-pixels in the same column pass high voltage and low voltage.
- the voltage is set alternately.
- Step S20 Taking the scanning of two adjacent rows of sub-pixels as a driving period, the even-numbered column sub-pixels in the first row in the driving period are driven by the first main scanning signal, and the sub-pixels in the driving period are The odd-numbered column sub-pixels in the first row are driven by the second main scanning signal; and the odd-numbered column sub-pixels in the second row in the driving period are driven by the first slave scanning signal to drive the The even-numbered column sub-pixels in the second row in the period are driven by the second slave scanning signal.
- the voltage intensity of sub-pixels can be divided into low voltage (as shown in Figure 2a, Figure 3a, Figure 4c, and the sub-pixels marked with L in Figure 6) and high voltage ( Figure 2a, Figure 3a, Figure 6). 4c and the sub-pixels marked with H in Figure 6).
- the display gray scale of the high-voltage unit sub-pixel is relatively bright, while the display gray scale of the low-voltage unit sub-pixel is relatively dark.
- the driving method of this embodiment finally makes the display panel
- the adjacent sub-pixels of the display array are arranged alternately with high and low voltage intensities.
- Vg1_1 is the number of sub-pixels in the first row of sub-pixels in the driving period.
- Vg2_1 is the scanning driving circuit and scanning driving signal of the odd-numbered columns of sub-pixels in the first row of sub-pixels in the driving period (named as the second main scanning Signal), as can be seen from Figure 3a: the first main scanning signal Vg1_1 and the second main scanning signal Vg2_1 jointly control the first row of sub-pixels in the driving period, that is, the same row of sub-pixels in the display array of this embodiment are simultaneously Design two kinds of scanning drive circuits.
- Vg2_2 is the scan driving circuit and scan driving signal (named the second slave trace signal) of the even-numbered sub-pixels in the second row of sub-pixels in the driving period
- Vg1_2 is the second row of sub-pixels in the driving period Scan driving lines and scan driving signals of the sub-pixels in the odd columns (named the first slave scan signal);
- the first main scanning signal Vg1_1 and the first slave scanning signal Vg1_2 are collectively summarized as the first scanning driving signal Vg1;
- the second main scanning signal Vg2_1 and the second slave scanning signal Vg2_2 are collectively summarized as the second scanning driving signal Vg2.
- Vg1_3 is the scan driving line and scan driving signal of the even-numbered sub-pixels in the first row of sub-pixels in the next period of the driving period (that is, corresponding to the third row of sub-pixels in the display array in FIG. 3a), and Vg2_3 is the driving period The scan driving lines and scan driving signals of the odd-numbered columns of sub-pixels in the first row of sub-pixels in the next period (corresponding to the third row of sub-pixels in the display array in Figure 3a).
- Vg2_4 is the scan driving line and scan driving signal of the even-numbered sub-pixels in the second row of sub-pixels in the next cycle of the driving cycle (that is, corresponding to the fourth row of sub-pixels in the display array in FIG. 3a), and Vg1_4 is Scan driving lines and scan driving signals of the odd-numbered sub-pixels in the second row of sub-pixels in the next period of the driving period (corresponding to the fourth row of sub-pixels in the display array in FIG. 3a);
- the same data driving circuit in this embodiment adopts dot inversion (dot Inversion) data drive mode
- the overall display array presents a row inversion arrangement drive mode
- the drive time of Vg1 relative to the time of Vg2 changes from the original T1 to
- the charging time of the sub-pixels on T1', Vg1 is reduced by T1-T1', so that the equivalent charging voltage of the corresponding sub-pixel drops to form a so-called low-voltage sub-pixel, so as to achieve the high voltage sub-pixel charging and low-voltage sub-pixel charging. purpose.
- the scan switch timing of controlling Vg1 is shorter than the charging signal time of the data driving signal, and the Vg2 scan switch timing is longer than the charging signal time of the data driving signal, so that the Vg1 scan driving circuit can correspond to
- the charging ability of the sub-pixels becomes worse, and the charging ability of the sub-pixels corresponding to the Vg1 scan line becomes stronger, so as to achieve the difference between the high-voltage sub-pixel charging and the low-voltage sub-pixel charging, and realize the mutual relationship between adjacent sub-pixels in the column direction in the display array.
- It is a high and low voltage arrangement, so as to realize the driving method in which adjacent sub-pixels in the display array are arranged in a high and low voltage interleaved arrangement as a whole to achieve the effect of improving the color shift.
- the same row of sub-pixels has two different scan driving signals (that is, two different scan driving lines), that is, the odd-numbered rows of sub-pixels and the even-numbered rows of sub-pixels of the same row of sub-pixels each adopt Different scan driving signals, each row of sub-pixels is driven by simultaneously turning on two different scan driving signals, and the driving time of the two scan driving signals is controlled by controlling the driving time of the scan driving signal relative to the data driving signal.
- the method further includes:
- the method further includes:
- Two adjacent rows of sub-pixels in the same column are driven by the same data driving signal.
- the positive driving signals of the sub-pixels in row G are VG1, VG2, VG3..., and the negative driving signals are VG1', VG2', VG3'....
- the switching timing of the scan driving signal is longer for the charging signal of the data driving signal, and the next phase is
- the switching timing of the scan driving signal with Vg1-4 is shorter than the charging signal time of the data driving signal, and the equivalent driving voltage VGd_3> VGd_4, so that the adjacent sub-pixels in the same column are driven by the driving mode of high and low voltage interleaved arrangement, so as to reduce the color shift.
- the method further includes:
- Two adjacent sub-pixels in the same column are driven by using the preset data driving signal, and the preset data driving signal is an average value of the historical driving signals of the two adjacent sub-pixels.
- the historical driving signals of the two adjacent sub-pixels are the driving signals of two adjacent sub-pixels in the upper and lower rows in the same column before the improvement.
- the preset data drive signal in this embodiment represents at least two data drive signals, and the preset data drive signal represents the data drive signal Vd1, the data drive signal Vd2, and the data drive signal Vd3 in FIG. 3a.
- the method further includes:
- Receiving an inversion signal inverting the second scan driving signal and the preset data driving signal according to the inversion signal, to obtain the inverted second scan driving signal and the inverted preset data driving Signal to shorten the driving time of the inverted second scan driving signal, so that the driving time of the second scan driving signal corresponds to the driving time of the inverted preset data driving signal.
- the Vd1 data line drives the sub-pixels in column G and R in sequence: positive polarity sub pixel VGd_1, negative polarity sub pixel VRd_2, positive polarity sub pixel VGd_3, negative polarity sub pixel VRd_4, positive polarity sub pixel VGd_5, the scan driving voltage corresponding to the negative polarity sub-pixel VRd_6 is Vg2 (Vg2_1 , Vg2_2, Vg2_3, Vg2_4, Vg2_5 , Vg2_6), Vd2 data line drive G and B sub-pixels with positive polarity sub-pixel VBd_1, negative-polarity sub-pixel VGd_2, positive-polarity sub-pixel VBd_3, negative-polarity sub-pixel VGd_4, positive-polarity sub-pixel VBd_5, and negative-polarity sub-pixel VGd_6.
- the corresponding scan driving voltage is Vg1( Vg1_1 , Vg1_2, Vg1_3, Vg1_4, Vg1_5 , Vg1_6), where the switching timing of the Vg2 scan driving signal has a longer time for the correct charging signal of the data driving signal, which is shorter than the switching timing of the Vg1 scan driving signal for the correct charging signal of the data driving signal.
- the switching of the scan driving signal controls the switching of the data driving signal charging time, that is, the switching timing of the Vg2 scan driving signal is for the correct charging signal VG1 of the data driving signal.
- The'time T1' is shorter.
- the VG1 time T1 is longer for the charging signal of the data drive signal, so that the sub-pixels with different high and low voltage signals can be realized with different timings, which will not be obvious to the naked eye.
- the difference between high-voltage sub-pixels and low-voltage sub-pixels does not suffer from the defect of reduced resolution.
- the pixels include a first pixel unit 0010 and a second pixel 0020.
- the first pixel and the second pixel are alternately arranged, wherein the first pixel is Red sub-pixels, green sub-pixels, blue sub-pixels and white sub-pixels are arranged in sequence, and the second pixel includes blue sub-pixels, white sub-pixels, red sub-pixels and green sub-pixels arranged in sequence.
- the step S20 includes:
- the white sub-pixels and green sub-pixels in the first row in the driving period are driven by the first main scanning signal, and the driving period is
- the red sub-pixels and blue sub-pixels in the first row in the first row are driven by the second main scanning signal; the blue sub-pixels and red sub-pixels in the second row in the driving period are driven by the first
- a slave scanning signal is driven, and the white sub-pixels and green sub-pixels in the second row in the driving period are driven by the second slave scanning signal.
- WRGB sub-pixels As shown in Figure 6, it is proposed to use WRGB sub-pixels as high and low voltage drive to improve color shift.
- Two scanning lines are provided for the first row of sub-pixels in the display array in Figure 6, namely: the first main scanning signal Vg1_1 and The second main scanning signal Vg2_1 drives the first row of sub-pixels together, Vg1_1 drives the green sub-pixels and white sub-pixels in the first row; the second main scanning signal Vg2_1 drives the red sub-pixels and blue sub-pixels in the first row Pixels; the first slave scan signal Vg1_2 drives the blue sub-pixels and red sub-pixels in the second row of the display array in FIG.
- the second slave scan signal Vg2_2 drives the white sub-pixels and green sub-pixels in the second row
- the sub-pixels are as described above.
- the third and fourth rows, the fifth and sixth rows in FIG. 6 are driven in the same driving manner as described above, and the display array in FIG. 6 adopts a dot inversion driving manner, so that the display in FIG. 6
- the WRGB sub-pixels of the array are interleaved with high and low voltages to achieve the purpose of reducing color shift.
- an embodiment of the present application also provides a driving device for a display panel.
- the display panel includes a display array, the display array includes pixels arranged in an array, and a single pixel is composed of three sub-pixels;
- the driving device of the display panel includes:
- the acquisition circuit 110 is configured to acquire a first scan driving signal, a second scan driving signal, and a preset data driving signal, and shorten the driving time of the first scan driving signal, so that the driving of the first scan driving signal The time corresponds to the shortening of the drive time of the preset data drive signal;
- the first scan drive signal includes a first main scan signal and a first slave scan signal, and the second scan drive signal includes a second main scan signal and a second Two slave scan signal
- the driving circuit 120 is configured to use the first main scanning signal to drive the even-numbered column sub-pixels in the first row in the driving period by using the scanning of two adjacent rows of sub-pixels to drive the The odd-numbered column sub-pixels in the first row in the period are driven by the second main scanning signal; and the odd-numbered column sub-pixels in the second row in the driving period are driven by the first slave scanning signal, In the driving period, the even-numbered column sub-pixels in the second row are driven by the second slave scanning signal.
- the driving circuit 120 of the driving device for the display panel may include a scanning unit and a driving unit.
- the scanning unit is used to output scanning driving signals, generally scanning pixels row by row, and the driving unit outputs data driving signals so that the pixels are scanned. At that time, the drive data will be received and displayed.
- the polarities of two adjacent sub-pixels are opposite polarities.
- the driving circuit is configured to use the same data driving signal to drive two adjacent rows of sub-pixels in the same column.
- the drive circuit is configured to drive two adjacent sub-pixels in the same column by using the preset data drive signal, and the preset data drive signal is a combination of the historical drive signals of the two adjacent sub-pixels. average value.
- the pixel includes a first pixel and a second pixel, and in a column direction, the first pixel and the second pixel are alternately arranged, wherein the first pixel is a red sub-pixel arranged in sequence , Green sub-pixels, blue sub-pixels and white sub-pixels, the second pixel includes blue sub-pixels, white sub-pixels, red sub-pixels and green sub-pixels arranged in sequence;
- the driving circuit is configured to scan two adjacent rows of sub-pixels as a driving period, and drive the white sub-pixels and green sub-pixels in the first row in the driving period by using the first main scanning signal , And use the second main scanning signal to drive the red sub-pixels and blue sub-pixels in the first row in the driving period; the blue sub-pixels in the second row in the driving period and The red sub-pixels are driven by the first slave scanning signal, and the white sub-pixels and the green sub-pixels in the second row in the driving period are driven by the second slave scanning signal
- the driving circuit is configured to drive each pixel in the second row in the driving period by the first slave scan signal and the second slave scan signal, and then drive the pole in each pixel
- the sub-pixels with the negative polarity are set to the positive polarity, and the sub-pixels with the positive polarity in each pixel are set to the negative polarity.
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Abstract
Description
Claims (20)
- 一种显示面板的驱动方法,其中,所述显示面板包括显示阵列,所述显示阵列包括呈阵列排布的像素,单个像素由三个子像素构成;所述显示面板的驱动方法包括:获取第一扫描驱动信号、第二扫描驱动信号以及预设数据驱动信号,将所述第一扫描驱动信号的驱动时间进行缩短,以使所述第一扫描驱动信号的驱动时间对应于所述预设数据驱动信号的驱动时间缩短;所述第一扫描驱动信号包括第一主扫描信号以及第一从扫描信号,所述第二扫描驱动信号包括第二主扫描信号以及第二从扫描信号;以及以扫描完相邻的两行子像素为驱动周期,对所述驱动周期内的第一行中的偶数列子像素采用所述第一主扫描信号进行驱动,对所述驱动周期内的第一行中的奇数列子像素采用所述第二主扫描信号进行驱动;并对所述驱动周期中的第二行中的奇数列子像素采用所述第一从扫描信号进行驱动,对所述驱动周期中第二行中的偶数列子像素采用第二从扫描信号进行驱动。
- 根据权利要求1所述的显示面板的驱动方法,其中,所述获取第一扫描驱动信号、第二扫描驱动信号以及预设数据驱动信号,将所述第一扫描驱动信号的驱动时间进行缩短,以使所述第一扫描驱动信号的驱动时间对应于所述预设数据驱动信号的驱动时间的步骤之前,所述方法还包括:将相邻两个子像素的极性设为相反的极性。
- 根据权利要求2所述的显示面板的驱动方法,其中,所述以扫描完相邻的两行子像素为驱动周期,对所述驱动周期内的第一行中的偶数列子像素采用所述第一主扫描信号进行驱动,对所述驱动周期内的第一行中的奇数列子像素采用所述第二主扫描信号进行驱动;且对所述驱动周期中的第二行中的奇数列子像素采用所述第一从扫描信号进行驱动,对所述驱动周期中第二行中的偶数列子像素采用第二从扫描信号进行驱动的步骤之后,所述方法还包括:对同一列子像素相邻两行采用同一数据驱动信号进行驱动。
- 根据权利要求3所述的显示面板的驱动方法,其中,所述对同一列子像素相邻两行采用同一数据驱动信号进行驱动的步骤之后,所述方法还包括:对同列的两个相邻子像素采用所述预设数据驱动信号进行驱动,所述预设数据驱动信号为相邻的两个子像素的历史驱动信号的平均值。
- 根据权利要求1所述的显示面板的驱动方法,其中,所述获取第一扫描驱动信号、第二扫描驱动信号以及预设数据驱动信号,将所述第一扫描驱动信号的驱动时间进行缩短,以使所述第一扫描驱动信号的驱动时间对应于所述预设数据驱动信号的驱动时间的步骤之后,所述方法还包括:接收反转信号,根据所述反转信号将所述第二扫描驱动信号和所述预设数据驱动信号进行反转,得到反转后的第二扫描驱动信号和反转后的预设数据驱动信号,将反转后的第二扫描驱动信号的驱动时间进行缩短,以使所述第一扫描驱动信号的驱动时间对应于反转后的预设数据驱动信号的驱动时间缩短。
- 根据权利要求1所述的显示面板的驱动方法,其中,所述像素包括第一像素和第二像素,在列方向上,所述第一像素和所述第二像素交替设置,其中,所述第一像素为依序排列的红色子像素、绿色子像素、蓝色子像素以及白色子像素,所述第二像素包括依序排列的蓝色子像素、白色子像素、红色子像素以及绿色子像素;所述以扫描完相邻的两行子像素为驱动周期,对所述驱动周期内的第一行中的偶数列子像素采用所述第一主扫描信号进行驱动,对所述驱动周期内的第一行中的奇数列子像素采用所述第二主扫描信号进行驱动;且对所述驱动周期中的第二行中的奇数列子像素采用所述第一从扫描信号进行驱动,对所述驱动周期中第二行中的偶数列子像素采用第二从扫描信号进行驱动,包括:以扫描完相邻的两行子像素为驱动周期,将所述驱动周期内的第一行中的白色子像素和绿色子像素采用所述第一主扫描信号进行驱动,并将所述驱动周期内的第一行中的红色子像素和蓝色子像素采用所述第二主扫描信号进行驱动;将所述驱动周期内的第二行中的蓝色子像素和红色子像素采用所述第一从扫描信号进行驱动,并将所述驱动周期内的第二行中的白色子像素和绿色子像素采用所述第二从扫描信号进行驱动。
- 根据权利要求6所述的显示面板的驱动方法,其中,所述方法还包括:在所述驱动周期内的第二行中的各像素被所述第一从扫描信号和所述第二从扫描信号驱动后,将各像素中的极性为负极性的子像素设置为正极性,并将各像素中的极性为正极性的子像素设置为负极性。
- 一种显示面板的驱动装置,其中,所述显示面板包括显示阵列,所述显示阵列包括呈阵列排布的像素,单个像素由三个子像素构成;所述显示面板的驱动装置:获取电路,设置为获取第一扫描驱动信号、第二扫描驱动信号以及预设数据驱动信号,将所述第一扫描驱动信号的驱动时间进行缩短,以使所述第一扫描驱动信号的驱动时间对应于所述预设数据驱动信号的驱动时间缩短;所述第一扫描驱动信号包括第一主扫描信号以及第一从扫描信号,所述第二扫描驱动信号包括第二主扫描信号以及第二从扫描信号;以及驱动电路,设置为以扫描完相邻的两行子像素为驱动周期,对所述驱动周期内的第一行中的偶数列子像素采用所述第一主扫描信号进行驱动,对所述驱动周期内的第一行中的奇数列子像素采用所述第二主扫描信号进行驱动;且对所述驱动周期中的第二行中的奇数列子像素采用所述第一从扫描信号进行驱动,对所述驱动周期中第二行中的偶数列子像素采用第二从扫描信号进行驱动。
- 如权利要求8所述的驱动装置,其中,相邻两个子像素的极性为相反的极性。
- 如权利要求9所述的驱动装置,其中,所述驱动电路,设置为对同一列子像素相邻两行采用同一数据驱动信号进行驱动。
- 如权利要求10所述的驱动装置,其中,所述驱动电路,设置为对同列的两个相邻子像素采用所述预设数据驱动信号进行驱动,所述预设数据驱动信号为相邻的两个子像素的历史驱动信号的平均值。
- 如权利要求11所述的驱动装置,其中,所述像素包括第一像素和第二像素,在列方向上,所述第一像素和所述第二像素交替设置,其中,所述第一像素为依序排列的红色子像素、绿色子像素、蓝色子像素以及白色子像素,所述第二像素包括依序排列的蓝色子像素、白色子像素、红色子像素以及绿色子像素;所述驱动电路,设置为以扫描完相邻的两行子像素为驱动周期,将所述驱动周期内的第一行中的白色子像素和绿色子像素采用所述第一主扫描信号进行驱动,并将所述驱动周期内的第一行中的红色子像素和蓝色子像素采用所述第二主扫描信号进行驱动;将所述驱动周期内的第二行中的蓝色子像素和红色子像素采用所述第一从扫描信号进行驱动,并将所述驱动周期内的第二行中的白色子像素和绿色子像素采用所述第二从扫描信号进行驱动。
- 如权利要求12所述的驱动装置,所述驱动电路,设置为在所述驱动周期内的第二行中的各像素被所述第一从扫描信号和所述第二从扫描信号驱动后,将各像素中的极性为负极性的子像素设置为正极性,并将各像素中的极性为正极性的子像素设置为负极性。
- 一种显示设备,其中,所述显示设备包括:显示面板、存储器、处理器及存储在所述存储器上并可在所述处理器上运行的显示面板的可执行指令,所述显示面板包括显示阵列,所述显示阵列包括呈阵列排布的像素,单个像素由三个子像素构成,所述处理器执行所述可执行指令,所述可执行指令包括:获取第一扫描驱动信号、第二扫描驱动信号以及预设数据驱动信号,将所述第一扫描驱动信号的驱动时间进行缩短,以使所述第一扫描驱动信号的驱动时间对应于所述预设数据驱动信号的驱动时间缩短;所述第一扫描驱动信号包括第一主扫描信号以及第一从扫描信号,所述第二扫描驱动信号包括第二主扫描信号以及第二从扫描信号;以及以扫描完相邻的两行子像素为驱动周期,对所述驱动周期内的第一行中的偶数列子像素采用所述第一主扫描信号进行驱动,对所述驱动周期内的第一行中的奇数列子像素采用所述第二主扫描信号进行驱动;并对所述驱动周期中的第二行中的奇数列子像素采用所述第一从扫描信号进行驱动,对所述驱动周期中第二行中的偶数列子像素采用第二从扫描信号进行驱动。
- 如权利要求14所述的显示设备,其中,相邻两个子像素的极性设为相反的极性。
- 如权利要求15所述的显示设备,其中,所述可执行指令包括:对同一列子像素相邻两行采用同一数据驱动信号进行驱动。
- 如权利要求16所述的显示设备,其中,所述可执行指令包括:对同列的两个相邻子像素采用所述预设数据驱动信号进行驱动,所述预设数据驱动信号为相邻的两个子像素的历史驱动信号的平均值。
- 如权利要求17所述的显示设备,其中,所述可执行指令包括:接收反转信号,根据所述反转信号将所述第二扫描驱动信号和所述预设数据驱动信号进行反转,得到反转后的第二扫描驱动信号和反转后的预设数据驱动信号,将反转后的第二扫描驱动信号的驱动时间进行缩短,以使所述第一扫描驱动信号的驱动时间对应于反转后的预设数据驱动信号的驱动时间缩短。
- 如权利要求14所述的显示设备,其中,所述像素包括第一像素和第二像素,在列方向上,所述第一像素和所述第二像素交替设置,其中,所述第一像素为依序排列的红色子像素、绿色子像素、蓝色子像素以及白色子像素,所述第二像素包括依序排列的蓝色子像素、白色子像素、红色子像素以及绿色子像素;所述可执行指令包括:以扫描完相邻的两行子像素为驱动周期,将所述驱动周期内的第一行中的白色子像素和绿色子像素采用所述第一主扫描信号进行驱动,并将所述驱动周期内的第一行中的红色子像素和蓝色子像素采用所述第二主扫描信号进行驱动;将所述驱动周期内的第二行中的蓝色子像素和红色子像素采用所述第一从扫描信号进行驱动,并将所述驱动周期内的第二行中的白色子像素和绿色子像素采用所述第二从扫描信号进行驱动。
- 如权利要求19所述的显示设备,其中,所述可执行指令包括:在所述驱动周期内的第二行中的各像素被所述第一从扫描信号和所述第二从扫描信号驱动后,将各像素中的极性为负极性的子像素设置为正极性,并将各像素中的极性为正极性的子像素设置为负极性。
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008216893A (ja) * | 2007-03-07 | 2008-09-18 | Toshiba Matsushita Display Technology Co Ltd | 平面表示装置及びその表示方法 |
CN101676985A (zh) * | 2008-09-17 | 2010-03-24 | 北京京东方光电科技有限公司 | 液晶显示器信号反转驱动方法 |
CN107065354A (zh) * | 2017-05-08 | 2017-08-18 | 深圳市华星光电技术有限公司 | 一种液晶显示面板及装置 |
CN107507575A (zh) * | 2017-10-24 | 2017-12-22 | 惠科股份有限公司 | 一种显示装置及其驱动方法和驱动系统 |
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US10991329B2 (en) * | 2015-06-26 | 2021-04-27 | Sony Corporation | Control circuit, display device, electronic apparatus, and projection display apparatus |
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US10621933B2 (en) * | 2015-11-06 | 2020-04-14 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Driving method and driving apparatus for display device, and display device |
CN107045858B (zh) * | 2016-12-02 | 2020-05-01 | 厦门天马微电子有限公司 | 一种液晶显示面板的驱动方法及液晶显示面板 |
US20180322842A1 (en) * | 2017-05-08 | 2018-11-08 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Liquid crystal display panel and device |
US10475408B2 (en) * | 2017-11-07 | 2019-11-12 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd | Liquid crystal display panel with a polarity reversion and gate driving circuit thereof |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008216893A (ja) * | 2007-03-07 | 2008-09-18 | Toshiba Matsushita Display Technology Co Ltd | 平面表示装置及びその表示方法 |
CN101676985A (zh) * | 2008-09-17 | 2010-03-24 | 北京京东方光电科技有限公司 | 液晶显示器信号反转驱动方法 |
CN107065354A (zh) * | 2017-05-08 | 2017-08-18 | 深圳市华星光电技术有限公司 | 一种液晶显示面板及装置 |
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