CN110211545A - Ghost eliminating method, ghost eliminate circuit and display device - Google Patents
Ghost eliminating method, ghost eliminate circuit and display device Download PDFInfo
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- CN110211545A CN110211545A CN201910403925.3A CN201910403925A CN110211545A CN 110211545 A CN110211545 A CN 110211545A CN 201910403925 A CN201910403925 A CN 201910403925A CN 110211545 A CN110211545 A CN 110211545A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 206010047571 Visual impairment Diseases 0.000 claims abstract description 49
- 239000011248 coating agent Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 230000001052 transient effect Effects 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000003086 colorant Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002688 persistence Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
Classifications
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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
- G09G3/3406—Control of illumination source
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- 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
- G09G2320/0257—Reduction of after-image effects
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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
- G09G2330/027—Arrangements or methods related to powering off a display
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
This application involves a kind of ghost eliminating methods, ghost eliminates circuit and display device, ghost eliminating method provided by the present application, for display, the display has backlight and display panel, the backlight has fluorescent coating, it the described method comprises the following steps: in backlight shutdown transient, detect the rgb value of each display area of the afterimage on display panel, compensation image is generated according to afterimage, and make the rgb value of each display area of the compensation image, with the rgb value of each display area of the afterimage and, for the original rgb value of the display area；And display panel is set to show the compensation image, and make the display time span predetermined time length for compensating image.The application can eliminate residual light or ghost existing for existing display device, improve display quality by the compensation picture of the certain gray scale of output.
Description
Technical field
This application involves display technology fields, and in particular to a kind of ghost eliminating method, ghost eliminate circuit and display
Device.
Background technique
Ghost refers mainly to remaining image on display in photoelectric display field, i.e. display carries out screen switching or pass
When machine, the picture previously shown will not disappear at once, but slowly disappear.
In the mode of cyclic drive light emitting source, it is however generally that, while driving each pixel in due course on liquid crystal display panel,
The multiple light emitting sources configured can be cooperated, these light emitting sources are periodically sequentially driven, backlight module is made locally to provide light
To liquid crystal display panel.When can prevent moving picture display in this way the problem of generated motion blur.Using this periodicity
In the backlight module for driving the mode of light emitting source, though the problem that can somewhat prevent dynamic menu fuzzy, because using
The luminescence phenomenon of light source with fluorophor, fluorophor can still maintain a bit of time after stopping driving light emitting source, because
This can still result in the problem of residual light or ghost.
Summary of the invention
The application be designed to provide a kind of ghost eliminating method, ghost eliminates circuit and display device, existing to eliminate
There are residual light or ghost existing for display device.
The application provides a kind of ghost eliminating method first, is used for display, and the display has backlight and display
Panel, the backlight have fluorescent coating, the described method comprises the following steps: in backlight shutdown transient, detection display
The rgb value of each display area of afterimage on panel generates compensation image according to afterimage, and makes the compensation image
Each display area rgb value, with the rgb value of each display area of the afterimage and, for the display area
Original rgb value；And display panel is set to show the compensation image, and make the display time span predetermined time for compensating image
Length.
In one embodiment, it further comprises the steps of: when normal images data transmit stopping, powering off backlight.
In another embodiment, the predetermined time length is true according to the residence time of afterimage on the screen
It is fixed.
In yet another embodiment, the predetermined time length range is the time for showing 1 to 2 frame image.
The application also provides a kind of ghost elimination circuit, is used for display, and the display has backlight and display surface
Plate, the backlight have fluorescent coating, comprising: afterimage acquiring unit connects the display panel of the display, uses
In in backlight shutdown transient, the rgb value of each display area of the afterimage on display panel is obtained；Compensate image output list
Member connects the display panel, according to each display area of the afterimage on the display panel of the backlight shutdown transient
Rgb value, instruction display panel output compensation image, and make the rgb value of each display area of the compensation image is and described
The sum of the rgb value of each display area of afterimage, for the original rgb value of the display area；And time control unit, even
Connect the compensation image output unit, for control compensation image show on a display panel at the beginning of and the end time,
And make to show time span predetermined time length.
In one embodiment, the time control unit determines predetermined time length, is being shielded according to afterimage
Residence time on curtain determines.
In one embodiment, the time control unit is when receiving the signal that data transmission stops, display surface
Plate stops the transmission of normal images data, and the backlight is closed, and the compensation image output unit starts to export the compensation shadow
Picture.
The application provides a kind of display device, including display and sequence controller again, and the sequence controller is for leading to
It crosses connector and receives the signal from front end system, and pass it to the display；The display has display panel
And backlight, and there is the display any of the above-described kind of ghost to eliminate circuit, and the ghost is eliminated and is shown described in circuit connection
Show the display panel and backlight of device.
In one embodiment, the display area includes the first pixel and the second pixel；The compensation image output
Unit indicates the second pixel output compensation image, to improve residual optical phenomenon.
In another embodiment, first pixel includes red sub-pixel, and second pixel includes green
Pixel and blue subpixels；The fluorescent coating of the backlight is red fluorescence powder coating；The compensation image output unit
Indicate that the green sub-pixels and the blue subpixels generate the compensation image, so that backlight display color and display surface
The color that plate is shown neutralizes, and improves general red phenomenon of shutting down.
The application adjusts the illumination mode of backlight, and provide accordingly by obtaining the display data of afterimage
Image data is compensated, the afterimage on display panel can be eliminated by the compensation picture of the certain gray scale of output, especially in backlight
For the fluorescent coating in source in red fluorescence powder, the application can preferably improve the shutdown general red phenomenon of moment picture, be promoted aobvious
Show quality.
Above description is only the general introduction of technical scheme, in order to better understand the technological means of the application,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the application can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and cooperate attached drawing, it is described in detail below.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of ghost eliminating method according to the application.
Fig. 2 is the schematic diagram that circuit is eliminated according to a kind of ghost of the application.
Fig. 3 is the schematic diagram that circuit is eliminated according to another ghost of the application.
Fig. 4 is the composition schematic diagram of the display area according to the application.
Fig. 5 is the structural schematic diagram that a kind of display device of circuit is eliminated with the application ghost.
Fig. 6 is the structural schematic diagram that another display device of circuit is eliminated with the application ghost.
Fig. 7 is the structural schematic diagram that another display device of circuit is eliminated with the application ghost.
Specific embodiment
Further to illustrate that the application is the technical means and efficacy reaching predetermined application purpose and being taken, below in conjunction with
Attached drawing and preferred embodiment, to according to the application ghost eliminating method and ghost eliminate the specific embodiment of circuit, method,
Step, structure, feature and its effect, detailed description are as follows.
Aforementioned and other technology contents, feature and effect in relation to the application refer to the preferable reality of schema in following cooperation
Applying in the detailed description of example can clearly appear from.By the explanation of specific embodiment, when can be that reach predetermined mesh to the application
The technical means and efficacy taken be able to more deeply and it is specific understand, however institute's accompanying drawings are only to provide with reference to and say
It is bright to be used, not it is used to limit the application.
With reference to Fig. 1, a kind of ghost eliminating method provided by the invention being shown, being used for display, the display has
Backlight and display panel, the backlight have fluorescent powder, the described method comprises the following steps: step S1, disconnected in backlight
Electric moment detects the rgb value of each display area of the afterimage on display panel；Step S2, generates according to afterimage
Image is compensated, and makes the rgb value of each display area of the compensation image, with each display area of the afterimage
The sum of rgb value, for the original rgb value of the display area；And step S3, so that display panel is shown the compensation image, and make
The display time span for compensating image is predetermined time length.
Specifically, in one embodiment, further include step S0 before the step S1: stopping in the transmission of normal images data
When only, power off backlight.In this embodiment, the ghost when above method is used for the normal shutdown of display is eliminated.Just
Normal image data transmission stops, after backlight power-off, output compensation image.
Specifically, each display area is, for example, one group of pixel of display panel.The original RGB of the display area
When value is that display panel is standby, the rgb value of the display area.Specifically, the predetermined time length can be by examining in real time
Surveying the image residence time on the screen obtained determines, can also by residence time of preparatory detected fluorescent powder or
The residence time of image obtains, for example, the predetermined time length is one: the 5ms to 15ms in following length range；Display
The time of 1 to 2 frame image.More specifically, the afterimage is residual due to the fluorescent powder when fluorescent powder is red fluorescence powder
It stays the time longer and generates, the predetermined time length is 10ms.
According to above-mentioned ghost eliminating method, the present invention also provides a kind of ghosts to eliminate circuit, and with reference to Fig. 2, the ghost disappears
Except circuit includes: for obtaining the residual shadow of the rgb value of each pixel of the afterimage on display panel after backlight powers off
As acquiring unit 20；According to the rgb value of each pixel of the afterimage of the backlight shutdown transient, display panel output is indicated
The compensation image output unit 40 of image is compensated, the compensation image output unit makes each pixel of the compensation image
Rgb value, with the rgb value of each pixel of the afterimage and, for the original rgb value of the display area；And for controlling
The display time span of system compensation image on a display panel is the time control unit 60 of predetermined time length.
Specifically, the time control unit 60 determines predetermined time length, is according to afterimage on the screen residual
The time is stayed to determine.
More specifically, the predetermined time length can be determined according to the persistence characteristic of fluorescent powder, it can also be by preparatory
The residence time for detecting afterimage determines.For example, according to the persistence characteristic of fluorescent powder or the afterimage being previously detected
Residence time, predetermined time length can be set to one: the 5ms to 15ms in following length range；Show 1 frame or 2 frame shadows
The time of picture.For example, it is pre- that the predetermined time length can be set as 10ms or described when fluorescent powder is red fluorescence powder
Length of fixing time can be set to that the compensation image output unit 40 is made to export 1 to 2 frame, to improve general red phenomenon of shutting down.
More specifically, the residual that the predetermined time length can also be got in real time by afterimage acquiring unit 20
The rgb value of each display area of image, with determining or the image of adjustment compensation in real time the output time.With reference to Fig. 3, time control is single
Member 60 connects afterimage acquiring unit 20, to receive each display area that the afterimage acquiring unit 20 is got
Rgb value, and judge whether the afterimage on display panel has disappeared accordingly, and then determine the predetermined time length.
Time control unit 60 receive data transmission stop signal when-, display panel stop normal images data
Transmission, the backlight are closed, and the compensation image output unit 40 starts to export the compensation image.
More specifically, with reference to Fig. 4.In one embodiment, display area includes the first pixel and the second pixel.In this Shen
Please in, all pixels adjacent with the first pixel are defined as the second pixel.During shutdown, compensation image is produced by the second pixel
It is raw.
It please also refer to Fig. 5.Backlight 204 includes chip and fluorescent powder.In one embodiment, the red fluorescence powder
With the blue-light LED chip composition backlight 204 for exciting it.In this embodiment, first pixel includes red
Sub-pixels, second pixel includes green sub-pixels and blue subpixels.The afterimage is due to the backlight 204
In red fluorescence powder residual light characteristic and generate, the compensation image is produced by the green sub-pixels and the blue subpixels
It is raw.The compensation image output unit 40 indicates that green sub-pixels and blue subpixels generate compensation image, so that backlight 204
The color that display color and display panel 202 are shown neutralizes, and improves general red phenomenon of shutting down.In other words, be make compensate image with
When backlight 204 is turned off due to caused by the residual light characteristic of red fluorescence powder it is general it is red neutralized, and then make the aobvious of display panel 202
Show the display color of region display color and backlight 204 inverse each other, mutually neutralizes.It more specifically, is to make display surface
The rgb value of each display area of the rgb value and backlight 204 of the display area of plate 202 and, for the original of the display area
When rgb value, such as white or black, i.e. rgb value are (0,0,0) or (255,255,255) or display panel 202 is in standby
The rgb value of other shown colors, and then ghost is eliminated, improve general red phenomenon of shutting down.In other words, blue-light LED chip and green
Color fluorescent powder is according to the instruction from the compensation image output unit 40, output compensation image, to improve general red phenomenon of shutting down.
It is above-mentioned to illustrate ghost eliminating method of the invention by taking red fluorescence powder as an example, in other embodiment, residual
Image may also be caused by the fluorescent powder of other colors or other formulas, these ghosts can also be eliminated in aforementioned manners.For example,
Using blue-light LED chip excitation yellow fluorescent powder obtain white light, and using the white light as the liquid crystal display of back light in, because
Ghost phenomena caused by yellow fluorescent powder can also be eliminated in aforementioned manners.
Above-mentioned ghost, which eliminates circuit 100, can be applied to different display devices 400, including display 200 and timing control
Device 208, sequence controller 208 is used to receive the signal from front end system 300 by connector 206, and passes it to aobvious
Show device 200.Display 200 has display panel 202 and backlight 204.There is display 200 any of the above-described kind of ghost to eliminate electricity
Road 100.Below by taking liquid crystal display as an example, further illustrates above-mentioned ghost and eliminate circuit.With reference to Fig. 5, liquid according to the present invention
There is crystal display 200 display panel 202, backlight 204 and ghost to eliminate circuit 100.The ghost is eliminated circuit 100 and is wrapped
Include above-mentioned afterimage acquiring unit 20, compensation image output unit 40 and time control unit 60.As shown in figure 5, described
Afterimage acquiring unit 20 is connect with the display panel 202 of the liquid crystal display 200, in 204 shutdown transient of backlight,
Obtain each display area of the afterimage on display panel 202, such as rgb value of a pixel or one group of pixel.The compensation
Rgb value of the image output unit 40 according to each display area of the afterimage of 204 shutdown transient of backlight, instruction display
The output compensation image of panel 202, and make the rgb value of each display area of the compensation image, it is each with the afterimage
The sum of the rgb value of a display area, for the original rgb value of the display area, i.e., when liquid crystal display 200 is in standby,
The rgb value of the display area.The time control unit 60 connects the compensation image output unit 40, for controlling compensation shadow
As the display time span on display panel 202 is predetermined time length.The predetermined time length can be according to specific
Use environment is adjusted.Such as: when the fluorescent coating in backlight 204 is red fluorescence powder coating, it can set in advance
The fixed predetermined time length is 10ms, or the time of 1 frame of display or 2 frame images；And when the fluorescent coating in backlight 204
When for yellow fluorescent powder or green emitting phosphor or their mixture, the predetermined time length be can be set as less than 10ms,
Such as 7ms.In addition, the predetermined time length can be as stated above, fixed value is preset, it can also according to residual shadow
As each rgb value for the afterimage that acquiring unit 20 is fed back, adjusted in real time.For example, with reference to Fig. 6, in the afterimage
The rgb value of each display area of the afterimage sensed is continued Real-time Feedback to the time control unit by acquiring unit 20
After 60, the time control unit 60 is the residence time that may determine therefrom that afterimage, and then adjusts the pre- timing in real time
Between length.
With further reference to Fig. 5, Fig. 6 and Fig. 7.When eliminating the liquid crystal display systems work of circuit with ghost of the invention,
Image data is transmitted to liquid crystal display 200 by connector 206 and sequence controller 208 from front end system 300.When timing control
208 system of detecting of device (TCON) processed transmits forbidden energy signal, and the failing edge of data enable signal En arrives, that is, receives data biography
The signal of defeated stopping when backlight (BL) 204 is closed, indicates that the afterimage acquiring unit 20 obtains the display of shutdown transient
The rgb value of each display area of afterimage on panel 202, and compensation image output unit 40 is sent it to, so that institute
Compensation image output unit 40 is stated according to the rgb value of each display area of afterimage, compensation image is generated, in backlight 204
When causing general red due to the residual light characteristic of red fluorescence powder when shutdown, the compensation generated by green sub-pixels and blue subpixels is exported
Picture.Meanwhile making the time control unit 60 according to scheduled time span or the time span of adjustment acquisition in real time, control
Compensate display time of the image on display panel 202.The predetermined time length can be stored in advance in time control unit
In 60.
In conclusion shutdown caused by residual light characteristic of the application for red fluorescence powder (such as KFS fluorescent powder) is general red existing
As, according to the remaining color of backlight, insertion compensation image, the color for showing display panel and backlight in display panel
The color of display inverse each other mutually neutralizes, i.e. the display area of the rgb value and display panel of each display area of backlight
Rgb value sum, for the original rgb value of the display area, such as white or black, i.e., rgb value be (0,0,0) or (255,
255,255) rgb value of other shown colors when or display panel is in standby, and then eliminate ghost.
More than, it is only the preferred embodiment of the application, not the application is made any form of restriction, although this
Application has been disclosed in a preferred embodiment above, however is not limited to the application, any person skilled in the art,
It does not depart within the scope of technical scheme, when the technology contents using the disclosure above make a little change or are modified to equivalent
The equivalent embodiment of variation, but it is all without departing from technical scheme content, and the technical spirit according to the application is to the above reality
Any simple modification, equivalent change and modification made by example are applied, in the range of still falling within technical scheme.
Claims (10)
1. a kind of ghost eliminating method, is used for display, the display has backlight and display panel, the backlight tool
There is fluorescent coating, which is characterized in that the described method comprises the following steps:
In backlight shutdown transient, the rgb value of each display area of the afterimage on display panel is detected；
Compensation image is generated according to afterimage, and makes the rgb value of each display area of the compensation image, with the residual shadow
The sum of the rgb value of each display area of picture, for the original rgb value of the display area；And
So that display panel is shown the compensation image, and makes the display time span predetermined time length for compensating image.
2. ghost eliminating method according to claim 1, which is characterized in that further comprise the steps of: and passed in normal images data
When defeated stopping, powering off backlight.
3. ghost eliminating method according to claim 1, it is characterised in that: the predetermined time length is according to afterimage
Residence time on the screen determines.
4. ghost eliminating method according to claim 1, it is characterised in that: the predetermined time length range is display 1
To the time of 2 frame images.
5. a kind of ghost eliminates circuit (100), it is used for display (200), the display has backlight (204) and display surface
Plate (202), the backlight (204) have fluorescent coating characterized by comprising
Afterimage acquiring unit (20) connects the display panel (202) of the display (200), in backlight (204)
Shutdown transient obtains the rgb value of each display area of the afterimage on display panel (202)；
It compensates image output unit (40), the display panel (202) is connected, according to the backlight (204) shutdown transient
The rgb value of each display area of afterimage on display panel (202), instruction display panel (202) output compensation image, and
Make it is described compensation image each display area rgb value, with the rgb value of each display area of the afterimage and,
For the original rgb value of the display area；And
Time control unit (60) connects the compensation image output unit (40), is shown in display for controlling compensation image
At the beginning of on panel (202) and the end time, and make to show time span predetermined time length.
6. ghost according to claim 5 eliminates circuit (100), which is characterized in that the time control unit (60) is true
It determines predetermined time length, is determined according to the residence time of afterimage on the screen.
7. ghost according to claim 5 eliminates circuit (100), which is characterized in that the time control unit (60) exists
When receiving the signal that data transmission stops, display panel (202) stops the transmission of normal images data, the backlight (204)
It closes, the compensation image output unit (40) starts to export the compensation image.
8. a kind of display device (400), it is characterised in that: including display (200) and sequence controller (208), the timing
Controller (208) is used to receive the signal for coming from front end system (300) by connector (206), and passes it to described aobvious
Show device (200)；The display (200) has display panel (202) and backlight (204), and the display (200) has
There are the described in any item ghosts of the claims 5 to 7 to eliminate circuit (100), the ghost is eliminated described in circuit (100) connection
Display panel (202) and backlight (204).
9. display device (400) according to claim 8, it is characterised in that:
The display area includes the first pixel and the second pixel；
The compensation image output unit (40) indicates the second pixel output compensation image, to improve residual optical phenomenon.
10. display device (400) according to claim 9, it is characterised in that:
First pixel includes red sub-pixel, and second pixel includes green sub-pixels and blue subpixels；
The fluorescent coating of the backlight (204) is red fluorescence powder coating；
The compensation image output unit (40) indicates that the green sub-pixels and the blue subpixels generate the compensation shadow
Picture improves general red phenomenon of shutting down so that backlight (204) display color and the color of display panel (202) display neutralize.
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| CN201910403925.3A CN110211545B (en) | 2019-05-15 | 2019-05-15 | Residual image eliminating method, residual image eliminating circuit and display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111427196A (en) * | 2020-04-30 | 2020-07-17 | 京东方科技集团股份有限公司 | Backlight module, driving method thereof and display device |
| CN112885308A (en) * | 2021-01-21 | 2021-06-01 | 浙江易云物联科技有限公司 | System and method for preventing LCD liquid crystal panel from polarization |
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| CN111427196B (en) * | 2020-04-30 | 2022-09-30 | 京东方科技集团股份有限公司 | Backlight module, driving method thereof and display device |
| CN112885308A (en) * | 2021-01-21 | 2021-06-01 | 浙江易云物联科技有限公司 | System and method for preventing LCD liquid crystal panel from polarization |
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