CN106782364B - Display panel and display device with the display panel - Google Patents
Display panel and display device with the display panel Download PDFInfo
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- CN106782364B CN106782364B CN201611153803.6A CN201611153803A CN106782364B CN 106782364 B CN106782364 B CN 106782364B CN 201611153803 A CN201611153803 A CN 201611153803A CN 106782364 B CN106782364 B CN 106782364B
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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
Abstract
The present invention discloses a kind of display panel and display device.The display panel includes the driving unit of multiple pixels and the multiple pixel of driving, each pixel includes multiple first sub-pixels and second sub-pixel, the multiple first sub-pixel includes red sub-pixel, green sub-pixels and blue subpixels, second sub-pixel is white sub-pixels, when showing pure color picture, the driving unit drives first sub-pixel in first time period, and second sub-pixel is driven in second time period；When showing pure white picture, the driving unit drives first sub-pixel and second sub-pixel simultaneously in the first time period, wherein, the first time period is the period of the refreshing frequency of display panel, the second time period is a part in the period of the refreshing frequency of the display panel, makes display panel have the advantages that light efficiency is high, pure color colour rendering is relatively high and power consumption is lower with this.
Description
Technical field
The present invention relates to field of display technology, and more particularly to a kind of display panel and the display with the display panel fills
It sets.
Background technique
Currently, in the RGB type LCD display with red sub-pixel (R), green sub-pixels (G) and blue subpixels (B)
In, the light of backlight has a big chunk light that cannot penetrate after R color blocking, G color blocking, B color blocking, such as backlight passes through B color
Feux rouges and green light composition are filtered when resistance, result in LCD display to a certain extent and have the shortcomings that brightness it is low/power consumption is big.Cause
This, which has developed, has red sub-pixel (R), green sub-pixels (G), the RGBW type of blue subpixels (B) and white sub-pixels (W)
LCD display, part of back almost can improve the brightness of LCD display, and can all through white sub-pixels (W)
To reduce power consumption.
However, the saturation degree that may cause the pure color in image is disliked due to increasing W sub-pixel in tetra- colour system of RGBW system
The problems such as change, such as when showing R, G, B pure color picture using R, G, B sub-pixel, since the addition of W sub-pixel is so that R, G, B are sub
Pixel Dimensions size reduces, aperture opening ratio decline, so that picture brightness is relatively low；When using the display of R+W, G+W, B+W sub-pixel R, G, B
When pure color picture, since the addition of W sub-pixel is so that color saturation (NTSC) decline of display picture is serious；It participates in W in pure
In the mode that color is shown, since the addition of W sub-pixel in RGB color saturation degree triangle so that joined one piece of W sub-pixel
Area needs to guarantee that the most bright pure color picture (L255) of R, G, B have the color saturation for meeting product specification and showing demand
Increase R, G, B sub-pixel NTSC displayed separately (being shown at this time without such independent RGB sub-pixel in practice), such as display needs
The NTSC asked will keep 70%, then the thickness for needing to increase the color blocking of R, G, B sub-pixel makes R, G, B sub-pixel displayed separately
NTSC tends to 90% (as shown in Figure 1), however the increase of the color blocking thickness of RGB sub-pixel can greatly reduce R, G, B sub-pixel
Transmitance if promoting this transmitance by W sub-pixel, and can reduce NTSC.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of display panel and with the display device of the display panel,
So that display panel has the advantages that light efficiency is high, pure color colour rendering is relatively high and power consumption is lower.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of display panel is provided, it is described aobvious
Show that panel includes the driving unit of multiple pixels and the multiple pixel of driving, each pixel include multiple first sub-pixels and
One the second sub-pixel, the multiple first sub-pixel include red sub-pixel, green sub-pixels and blue subpixels, and described
Two sub-pixels are white sub-pixels, and when showing pure color picture, the driving unit drives described first in first time period
Sub-pixel, and second sub-pixel is driven in second time period；
When showing pure white picture, the driving unit drives first sub-pixel simultaneously in the first time period
With second sub-pixel, wherein the first time period is the period of the refreshing frequency of display panel, the second time period
For a part in the period of the refreshing frequency of the display panel.
Wherein, the second time period is the half in the period of the refreshing frequency of the display panel.
It wherein, is 120Hz in the refreshing frequency of the display panel, the signal refreshing frequency of first sub-pixel is
120Hz, when the signal refreshing frequency of second sub-pixel is 120Hz, when showing pure color picture, first sub-pixel exists
It is all shown in 1/120 second, second sub-pixel is shown in 1/240 second.
It wherein, is 120Hz in the refreshing frequency of the display panel, the signal refreshing frequency of first sub-pixel is
60Hz, when the signal refreshing frequency of second sub-pixel is 120Hz, when showing pure color picture, first sub-pixel exists
It is all shown in 1/60 second, second sub-pixel is shown in 1/240 second.
It wherein, is 120Hz in the refreshing frequency of the display panel, the signal refreshing frequency of first sub-pixel is
60Hz, when the signal refreshing frequency of second sub-pixel is 120Hz, when showing pure white picture, first sub-pixel and
Second sub-pixel is all shown in 1/120 second.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of display device is provided, it is described aobvious
Showing device includes display panel, and the display panel includes the driving unit of multiple pixels and the multiple pixel of driving, described
Each pixel includes multiple first sub-pixels and second sub-pixel, and the multiple first sub-pixel includes red sub-pixel, green
Sub-pixels and blue subpixels, second sub-pixel is white sub-pixels, when showing pure color picture, the driving unit
First sub-pixel is driven in first time period, and second sub-pixel is driven in second time period；
When showing pure white picture, the driving unit drives first sub-pixel simultaneously in the first time period
With second sub-pixel, wherein the first time period is the period of the refreshing frequency of display panel, the second time period
For a part in the period of the refreshing frequency of the display panel.
Wherein, the second time period is the half in the period of the refreshing frequency of the display panel.
It wherein, is 120Hz in the refreshing frequency of the display panel, the signal refreshing frequency of first sub-pixel is
120Hz, when the signal refreshing frequency of second sub-pixel is 120Hz, when showing pure color picture, first sub-pixel exists
It is all shown in 1/120 second, second sub-pixel is shown in 1/240 second.
It wherein, is 120Hz in the refreshing frequency of the display panel, the signal refreshing frequency of first sub-pixel is
60Hz, when the signal refreshing frequency of second sub-pixel is 120Hz, when showing pure color picture, first sub-pixel exists
It is all shown in 1/60 second, second sub-pixel is shown in 1/240 second.
It wherein, is 120Hz in the refreshing frequency of the display panel, the signal refreshing frequency of first sub-pixel is
60Hz, when the signal refreshing frequency of second sub-pixel is 120Hz, when showing pure white picture, first sub-pixel and
Second sub-pixel is all shown in 1/120 second.
The beneficial effects of the present invention are: being in contrast to the prior art, the display panel of the invention is pure in display
When color picture, the driving unit drives the multiple first sub-pixel using the first time period and uses described second
Period drives second sub-pixel, will not reduce so as to improve transmitance and excessively color saturation；And showing pure white picture
When face, the driving unit drives the multiple first sub-pixel and second sub-pixel using the first time period, with
This makes the display panel have the advantages that light efficiency is high, pure white colour rendering is relatively high and power consumption is lower, wherein described first
Period is the period of the refreshing frequency of display panel, and the second time period is the period of the refreshing frequency of the display panel
A part.
Detailed description of the invention
Fig. 1 is the display mode schematic diagram of existing display panel；
Fig. 2 is the driving method schematic diagram of existing display panel；
Fig. 3 is the structural schematic diagram of display panel of the invention；
Fig. 4 is the display area structural schematic diagram in Fig. 3；
Fig. 5 to Fig. 8 is the driving method schematic diagram of display panel of the invention；
Fig. 9 is the display mode of display panel of the invention and the display mode of existing display panel
Contrast schematic diagram；
Figure 10 is the structural schematic diagram of display device of the invention.
Specific embodiment
Referring to Fig. 2, being the driving method schematic diagram of existing display panel.As shown in Fig. 2, R in the display panel,
G, whole in one of B sub-pixel whole cycle to show so that the display panel shows pure color picture or the display panel
One of middle R, G, B sub-pixel is shown in whole in whole cycle so that the display panel shows that pure color is drawn simultaneously with W sub-pixel
Face；When the display panel shows pure white picture, tetra- sub-pixels of described R, G, B and W are simultaneously in whole aobvious in whole cycle
Show so that the display panel shows pure white picture.
Referring to Fig. 3, being the structural schematic diagram of display panel of the invention.As shown in figure 3, the display panel 10 includes
Driving unit 20 and display area 30, the driving unit 20 is for driving the display area to perform image display.It is described aobvious
Show that region 30 includes multiple pixels 31.In the present embodiment, the multiple pixel 31 arranges into strips, in other embodiments,
The multiple pixel 31 can also be arranged in triangle.
Referring to Fig. 4, being the structural schematic diagram of display area of the invention.As shown in figure 4, each pixel 31 includes
Three the first sub-pixels and second sub-pixel.Three first sub-pixels are respectively the R sub-pixel 41 being displayed in red, show
The B sub-pixel 43 for showing the G sub-pixel 42 of green and being displayed in blue；One second sub-pixel is the W sub-pixel being displayed in white
44, the W sub-pixel 44 participates in R sub-pixel 41, G sub-pixel 42 and B sub-pixel 43 respective shown red, green and blue
And it is white that blend color is obtained after being combined.In the present embodiment, the R sub-pixel 41, G sub-pixel 42, B sub-pixel
43 and W sub-pixel 44 by one direction side by side in a manner of be arranged in a pixel 31, in other embodiments, R picture
Element 41, G sub-pixel 42, B sub-pixel 43 and W sub-pixel 44 arrangement mode with no restrictions, such as R sub-pixel 41, G sub-pixel
42, B sub-pixel 43 and W sub-pixel 44 can also be arranged in the array of generally one 2*2, in this array R sub-pixel 41,
The sequence of G sub-pixel 42, B sub-pixel 43 and W sub-pixel 44 is without limitation.Wherein, R sub-pixel 41, G picture plain 42, B sub-pixel
43 and the Pixel Dimensions of W sub-pixel 44 can be identical or not identical, preferably R sub-pixel 41, G sub-pixel 42, B sub-pixel 43
With the Pixel Dimensions having the same of W sub-pixel 44.
The driving unit 20 includes video data Transmit-Receive Unit 21, image processing unit 22, timing generating unit 23, source
Pole driving unit 24 and drive element of the grid 25.The driving unit 20 drives the multiple pixel 31 by these structures,
Specifically, driving constitutes multiple sub-pixels, i.e. R sub-pixel 41, G sub-pixel 42, B sub-pixel 43 and the W picture of each pixel 31
Element 44.
The video data Transmit-Receive Unit 21 receives video data, and sends it to described image processing unit 22, institute
State image processing unit 22 from the video data Transmit-Receive Unit 21 receive video data, and according to the video data generate with
R sub-pixel 41, G sub-pixel 42, B sub-pixel 43 and the corresponding R data of W sub-pixel 44, G data, B data and W data, and
R data, G data, B data and W data are sent to timing generation unit 23.
The R data received, G data, B data and W data are sent to the source electrode and driven by the timing generation unit 23
Moving cell 24, and the signal of the timing driven to each pixel 31 is sent to the drive element of the grid 25.It is described
Drive element of the grid 25 drives the multiple first son based on the first time period received from the timing generation unit 23
Pixel, and driven based on from some in the first time period and second time period that the timing generation unit 23 receives
Second sub-pixel, wherein the first time period is the period of the refreshing frequency of the display panel, second time
Section is a part in the period of the refreshing frequency of the display panel, and the source drive unit 24 will generate single from the timing
R data, G data, B data and the W data that member 23 receives are converted into being actually applied to the analog voltage in pixel, and its is defeated
Each pixel 31 is arrived out.
Fig. 5 to Fig. 8 is please referred to, is the driving method schematic diagram of display panel of the invention.As shown in Figures 5 and 6, in institute
The refreshing frequency for stating display panel is 120Hz, and the signal refreshing frequency of the RGB sub-pixel is also 120Hz, at this time W
When the signal refreshing frequency of pixel is 120Hz, when showing pure color picture, the driving unit 20 uses the first time period
(i.e. 1/120 second) drives the multiple first sub-pixel (R sub-pixel 41, G sub-pixel 42, B sub-pixel 43), and described in use
Second time period (i.e. 1/240 second) drives second sub-pixel (W sub-pixel 44), wherein the first time period is display
The period (i.e. 1/120 second) of the refreshing frequency 120Hz of panel, the second time period are the refreshing frequency of the display panel
The half (i.e. 1/240 second) in the period of 120Hz.It is exactly the R sub-pixel 41, the G sub-pixel 42 and B
Pixel 43 is participated in the overall process work (the R sub-pixel 41, the G sub-pixel 42 and institute within the period of entire refreshing frequency 120Hz
B sub-pixel 43 is stated all to show within the period of a refreshing frequency 120Hz), and the W sub-pixel 44 is in entire refreshing frequency
Only half the time participates in work in the period of 120Hz, and in addition half the time receives common signal, at this time the W sub-pixel
44 be light/dark alternately variation, and the frequency of its light/dark variation is 60Hz, and eye-observation is less than flashing.Please continue to refer to Fig. 7,
It is 120Hz in the refreshing frequency of the display panel, the signal refreshing frequency of the RGB sub-pixel is 60Hz, at this time W
When the signal refreshing frequency of pixel is 120Hz, the R sub-pixel 41, the G sub-pixel 42 and the B sub-pixel 43 are entire
Participating in the overall process in the period of refreshing frequency 60Hz, (the R sub-pixel 41, the G sub-pixel 42 and the B sub-pixel 43 exist for work
All shown in the period of one refreshing frequency 60Hz), and the W sub-pixel 44 is in the period that entire refreshing frequency is 120Hz
Interior only half the time participates in work, and the W sub-pixel 44 is light/dark alternately variation, and the frequency of its light/dark variation at this time
For 60Hz, eye-observation is less than flashing.
In other embodiments, the display panel is when showing pure color picture, according to RGB sub-pixel of the Fig. 5 into Fig. 7
And the waveform diagram of W sub-pixel, it can be by any W of the waveform diagram and Fig. 5 of any RGB sub-pixel of the Fig. 5 into Fig. 7 into Fig. 7
The waveform diagram of sub-pixel is combined, so that the R sub-pixel 41, the G sub-pixel 42 and the B sub-pixel 43 can also be realized
It is all shown in the whole cycle of refreshing frequency, and W sub-pixel 44 is only in the half the time of the whole cycle of refreshing frequency
It is shown.For example, the waveform diagram A of the RGB sub-pixel in Fig. 5 can be combined with the waveform diagram b of the W sub-pixel in Fig. 6, or
The waveform diagram A of RGB sub-pixel in person Fig. 5 can be combined with the waveform diagram d of the W sub-pixel in Fig. 7；RGB picture in Fig. 6
The waveform diagram B of element can be combined with the waveform diagram a of the W sub-pixel in Fig. 5 or the waveform diagram B of the RGB sub-pixel in Fig. 6
It can be combined with the waveform diagram d of the W sub-pixel in Fig. 7；The waveform diagram D of RGB sub-pixel in Fig. 7 can be with the W picture in Fig. 5
The waveform diagram a of element is combined or the waveform diagram D of the RGB sub-pixel in Fig. 7 can be with the waveform diagram b of the W sub-pixel in Fig. 6
It is combined.Wherein, A, B, the D of Fig. 5 into Fig. 7 illustrate the R sub-pixel 41, G sub-pixel in the first time period
42, the time that B sub-pixel 43 charges and keeps under the control of corresponding TFT switch；A, b, the d of Fig. 5 into Fig. 7 are illustrated in institute
State the time of the W sub-pixel charges and keeps under corresponding TFT switch control in second time period time or closing.
Please continue to refer to Fig. 8, when showing pure white picture, the driving unit 20 drives institute using the first time period
Multiple first sub-pixels (R sub-pixel 41, G sub-pixel 42, B sub-pixel 43) is stated, and at the same time driving using the first time period
Second sub-pixel (W sub-pixel 44) is moved, that is, is exactly, the R sub-pixel 41, the G sub-pixel 42, the B sub-pixel 43
And the W sub-pixel 44 whole display all within the period of refreshing frequency 120Hz.In other embodiments, the RGB sub-pixel
Waveform diagram can be any one of the waveform diagram of RGB sub-pixel of the Fig. 5 into Fig. 8, such as can be the waveform diagram in Fig. 5
A, the waveform diagram E or e in the waveform diagram D or Fig. 8 in waveform diagram B or Fig. 7 or in Fig. 6；The waveform diagram of the W sub-pixel can
Think any one of the waveform diagram of RGB sub-pixel of the Fig. 5 into Fig. 8, such as can be in the waveform diagram A or Fig. 6 in Fig. 5
Waveform diagram B or Fig. 7 in waveform diagram D or Fig. 8 in waveform diagram E or e, as long as the R sub-pixel, the G sub-pixel, institute
It states B sub-pixel and the W sub-pixel is participated in the overall process in whole cycle work.
In this way, when showing pure color picture, W sub-pixel 44 is only involved in one frame time of RGB sub-pixel or one
Half the time is shown in cycle time, so that W sub-pixel 44 has the pure color picture that part luma participates in RGB sub-pixel
During face is shown, since a frame time of RGB sub-pixel or a cycle time are not less than 120Hz, 44 half the time of W sub-pixel
The bright dark change frequency for participating in display is not less than 60Hz, therefore human eye would not observe that flashing, the participation of W sub-pixel 44 improve
The brightness of RGB pure color picture not too big reduction color saturation again.When showing pure white picture, W sub-pixel 44 is in RGB sub-pixel
A frame time or all shown in a cycle time, W sub-pixel 44 provides its maximum white light and penetrates, and can greatly mention
It rises white state brightness and reduces power consumption.
In other embodiments, the refreshing frequency of the display panel can also be 180Hz, i.e., the described first time period is 1/
180 seconds, the second time period was 1/360 second.In the present embodiment, when showing pure color picture, the driving unit 20 makes
The multiple first sub-pixel is driven with the first time period, and drives the second sub- picture using the second time period
Element needs to cooperate with the response time of liquid crystal, specifically how to be cooperated, those skilled in the art, which can according to need, to be set
Meter.
Referring to Fig. 9, be display panel of the invention display mode and existing display panel display mode in light
Learn the contrast schematic diagram of the difference and advantage and disadvantage in quality.Wherein, a in Fig. 9 is the display pattern of existing display panel,
B is existing display panel under the premise of the NTSC for guaranteeing product is constant, because second sub-pixel (W sub-pixel 44) is pure
Work is participated in when color picture is shown or pure white picture is shown, needs to increase the multiple first sub-pixel (R sub-pixel 41, G picture
42 and B of element sub-pixel 43) triangle area to NTSC tend to 90%.C and d in Fig. 9 are display panels of the invention
Display mode schematic diagram, it can be seen that the W sub-pixel 44 as described in showing in pure color picture only has half the time (namely
Half period) work is participated in, therefore brightness of the W sub-pixel 44 within the period of refreshing frequency 120Hz reduces half,
It is limited to the reduction effect of NTSC area, it is larger to the transmitance promotion of picture, and under the premise of guaranteeing that NTSC is constant, only
Need to increase the area of the triangle of the multiple first sub-pixel (R sub-pixel 41, G sub-pixel 42 and B sub-pixel 43) extremely
NTSC tends to such as 80%, and does not have to need to increase the multiple first sub-pixel (R picture as existing display panel
Element 41, G sub-pixel 42 and B sub-pixel 43) the area of triangle tend to 90% to NTSC, simultaneously because when pure white picture is shown
44 whole cycle of W sub-pixel all participates in work, does not reduce to the reduction of power consumption, therefore present invention improves existing display surfaces
Multiple problems existing for plate, realizing display panel has the advantages that light efficiency is high, pure color colour rendering is relatively high and power consumption is lower.
Referring to Fig. 10, being the structural schematic diagram of display device of the invention.As shown in Figure 10, the display device 1 is wrapped
Include above-mentioned display panel 10, other devices of the display device and the device and function phase of function and existing display device
Together, details are not described herein.
The display panel drives the multiple first sub-pixel when showing pure color picture, through the first time period
And second sub-pixel is driven using the second time period, colour saturation will not be reduced so as to improve transmitance and excessively
Degree；The display panel drives the multiple first sub-pixel and institute when showing pure white picture, through the first time period
The second sub-pixel is stated, with this display panel being had, light efficiency is high, pure color colour rendering is relatively high and power consumption is lower excellent
Point, wherein in the present embodiment, the preferably described first time period is the period of the refreshing frequency of display panel, when described second
Between section be the display panel refreshing frequency period half, in other embodiments, the second time period can
Think one third or a quarter etc. in the period of the refreshing frequency of the display panel.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (10)
1. a kind of display panel, which is characterized in that the display panel includes the drive of multiple pixels and the multiple pixel of driving
Moving cell, each pixel include multiple first sub-pixels and second sub-pixel, and the multiple first sub-pixel includes red
Sub-pixels, green sub-pixels and blue subpixels, second sub-pixel is white sub-pixels, when showing pure color picture,
The driving unit drives first sub-pixel in first time period, and second son is driven in second time period
Pixel；
When showing pure white picture, the driving unit drives first sub-pixel and institute simultaneously in the first time period
State the second sub-pixel, wherein the first time period is the period of the refreshing frequency of display panel, and the second time period is institute
State a part in the period of the refreshing frequency of display panel.
2. display panel according to claim 1, which is characterized in that the second time period is the brush of the display panel
The half in the period of new frequency.
3. display panel according to claim 1, which is characterized in that the display panel refreshing frequency be 120Hz,
The signal refreshing frequency of first sub-pixel is 120Hz, when the signal refreshing frequency of second sub-pixel is 120Hz, when
When showing pure color picture, first sub-pixel is all shown in 1/120 second, and second sub-pixel is shown in 1/240 second
Show.
4. display panel according to claim 1, which is characterized in that the display panel refreshing frequency be 120Hz,
The signal refreshing frequency of first sub-pixel is 60Hz, when the signal refreshing frequency of second sub-pixel is 120Hz, when aobvious
When showing pure color picture, first sub-pixel is all shown in 1/120 second, and second sub-pixel is shown in 1/240 second.
5. display panel according to claim 1, which is characterized in that the display panel refreshing frequency be 120Hz,
The signal refreshing frequency of first sub-pixel is 60Hz, when the signal refreshing frequency of second sub-pixel is 120Hz, when aobvious
When showing pure white picture, first sub-pixel and second sub-pixel are all shown in 1/120 second.
6. a kind of display device, which is characterized in that the display device includes display panel, and the display panel includes multiple pictures
The driving unit of element and the multiple pixel of driving, each pixel include multiple first sub-pixels and second sub-pixel,
The multiple first sub-pixel includes red sub-pixel, green sub-pixels and blue subpixels, and second sub-pixel is white
Sub-pixel, when showing pure color picture, the driving unit drives first sub-pixel in first time period, and
Driving second sub-pixel in two periods；
When showing pure white picture, the driving unit drives first sub-pixel and institute simultaneously in the first time period
State the second sub-pixel, wherein the first time period is the period of the refreshing frequency of display panel, and the second time period is institute
State a part in the period of the refreshing frequency of display panel.
7. display device according to claim 6, which is characterized in that the second time period is the brush of the display panel
The half in the period of new frequency.
8. display device according to claim 6, which is characterized in that the display panel refreshing frequency be 120Hz,
The signal refreshing frequency of first sub-pixel is 120Hz, when the signal refreshing frequency of second sub-pixel is 120Hz, when
When showing pure color picture, first sub-pixel is all shown in 1/120 second, and second sub-pixel is shown in 1/240 second
Show.
9. display device according to claim 6, which is characterized in that the display panel refreshing frequency be 120Hz,
The signal refreshing frequency of first sub-pixel is 60Hz, when the signal refreshing frequency of second sub-pixel is 120Hz, when aobvious
When showing pure color picture, first sub-pixel is all shown in 1/120 second, and second sub-pixel is shown in 1/240 second.
10. display device according to claim 6, which is characterized in that be in the refreshing frequency of the display panel
120Hz, the signal refreshing frequency of first sub-pixel are 60Hz, and the signal refreshing frequency of second sub-pixel is 120Hz
When, when showing pure white picture, first sub-pixel and second sub-pixel are all shown in 1/120 second.
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