CN110189723A - Adjusting method, regulating device, driving method, transparent display - Google Patents
Adjusting method, regulating device, driving method, transparent display Download PDFInfo
- Publication number
- CN110189723A CN110189723A CN201910568413.2A CN201910568413A CN110189723A CN 110189723 A CN110189723 A CN 110189723A CN 201910568413 A CN201910568413 A CN 201910568413A CN 110189723 A CN110189723 A CN 110189723A
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- voltage
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- range
- transparent display
- control
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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
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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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- 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
The present invention provides a kind of adjusting method, regulating device, driving method, transparent display, belongs to field of display technology.The adjusting method of control voltage of the invention, comprising: according to the transparency range of the pending display of transparent display panel, determine the voltage range of pixel unit；The cut-in voltage range and shutdown voltage range of the driving transistor of pixel unit are determined according to the voltage range；Unlatching control voltage is determined according to the cut-in voltage range, shutdown control voltage is determined according to the shutdown voltage range, so that gate drivers control each conducting or shutdown for driving transistor according to the unlatching control voltage and shutdown control voltage.
Description
Technical field
The invention belongs to field of display technology, and in particular to a kind of adjusting method of voltage, regulating device, transparent aobvious of controlling
Showing device.
Background technique
Increasingly developed with display technology, various display technologies continue to bring out, wherein transparence display technology is because of its display
The light peneration of panel, has been to be concerned by more and more people.Since transparent display has certain light peneration, not only may be used
To show picture on the display screen, the background of display screen backstage side can also be watched through display screen, is had extensive
Application scenarios.
Common liquid crystal transparent display device currently on the market is to remove the backlight module at liquid crystal display panel rear,
And backlight module is set on the periphery of display panel or back upper place.Pass through the liquid crystal deflection in electric field controls liquid crystal display panel
State makes liquid crystal display panel that transmission state (dark-state) or scattering states (illuminated state) be presented.
Inventor's discovery: the driving power consumption of existing transparent display is larger.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art, providing one kind can effectively lower
The adjusting method of the control voltage of the display power consumption of bright display panel.
Solving technical solution used by present invention problem is a kind of adjusting method, comprising:
According to the transparency range of the pending display of transparent display panel, the voltage range of pixel unit is determined；
The cut-in voltage range and shutdown voltage of the driving transistor of pixel unit are determined according to the voltage range
Range；
It is determined according to the cut-in voltage range and opens control voltage, shutdown control is determined according to the shutdown voltage range
Voltage, for gate drivers according to it is described open control voltage and shutdown control voltage control it is each driving transistor conducting or
Person's shutdown.
Preferably, described to determine that the step of opening control voltage includes: according to according to the range of the cut-in voltage
The maximum value of cut-in voltage, which determines, opens control voltage, the maximum opened control voltage and be more than or equal to the cut-in voltage
Value；
Described the step of determining shutdown control voltage according to the shutdown voltage range includes: according to the shutdown voltage
Minimum value determines that shutdown voltage, the shutdown voltage are less than or equal to the minimum value of the shutdown voltage.
Preferably, the adjusting method of the control voltage further include:
Each gray scale voltage is determined according to the range of the pixel voltage；Wherein, maximum gray voltage and maximum pixel voltage
It is corresponding；Minimum gray voltage is corresponding with minimum pixel voltage.
Solving technical solution used by present invention problem is a kind of driving method, for driving transparence display face
Plate, the driving method include:
The adjusting method of any one of the above control voltage；
Each conducting or shutdown for driving transistor is controlled according to the unlatching control voltage and shutdown control voltage.
Preferably, the driving method of the transparent display panel further include:
According to the transparency that the transparent display panel band is shown, the light emission luminance of backlight is adjusted.
Solving technical solution used by present invention problem is a kind of regulating device, for adjusting transparent display panel
Control voltage, the regulating device includes:
Pixel voltage determining module determines pixel for the transparency range according to the pending display of transparent display panel
The voltage range of unit；
First determining module, the unlatching electricity of the driving transistor for determining pixel unit according to the voltage range
Press range and shutdown voltage range；
Second determining module opens control voltage for determining according to the cut-in voltage range, according to the shutdown electricity
Range is pressed to determine that shutdown controls voltage, so that gate drivers control respectively according to unlatching control voltage and shutdown control voltage
Drive the conducting or shutdown of transistor.
Preferably, the regulating device of the control voltage further include: gray scale voltage determination unit, for according to the pixel
The range of voltage determines each gray scale voltage；Wherein, maximum gray voltage is corresponding with maximum pixel voltage；Minimum gray voltage with most
Small pixel voltage is corresponding.
Solving technical solution used by present invention problem is a kind of transparent display, comprising:
The regulating device of any one of the above control voltage；
Gate drivers, for controlling leading for each driving transistor according to control voltage and the shutdown control voltage opened
Logical or shutdown.
Preferably, the transparent display further include: brightness adjustment unit, for according to the transparent display panel band
The transparency shown adjusts the light emission luminance of backlight
Preferably, the transparent display further include: transparent display panel.
Detailed description of the invention
Fig. 1 is the flow chart of the adjusting method of the embodiment of the present invention；
Fig. 2 is the block diagram of the regulating device of the embodiment of the present invention；
Fig. 3 is the block diagram of the transparent display of the embodiment of the present invention.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, with reference to the accompanying drawing and specific embodiment party
Present invention is further described in detail for formula.
Embodiment 1:
As shown in Figure 1, the adjusting method is especially suitable for transparent the present embodiment provides a kind of adjusting method for controlling voltage
The adjusting of the control voltage of transistor is driven in the pixel unit of display panel.Wherein, control voltage may include: unlatching control
Voltage and shutdown control voltage.Control voltage is opened for controlling driving transistor turns；Shutdown control voltage drives for controlling
Dynamic transistor shutdown.
Adjusting method provided in this embodiment can comprise the following steps that
S1, according to the transparency range of the pending display of transparent display panel, determine the voltage range of pixel unit.
S2, the cut-in voltage range for driving transistor that pixel unit is determined according to voltage range and shutdown voltage model
It encloses.
S3, it is determined according to cut-in voltage range and opens control voltage, shutdown control voltage is determined according to shutdown voltage range,
So that gate drivers control the conducting or shutdown that voltage controls each driving transistor according to control voltage and shutdown is opened.
Transparent display panel includes multiple pixel regions, and a pixel unit is provided in each pixel region.Work as transparence display
Panel is led when being shown by driving transistor in control voltage (specially opening control voltage) control pixel unit
It is logical, so as to which pixel voltage is loaded on the pixel electrode of pixel unit by data line, to control the corresponding pixel unit
Liquid crystal deflect, to control the display of the pixel region.
The transparency of transparent display panel is related with the pixel voltage for being loaded into each pixel unit.When transparency is higher,
The pixel voltage for being loaded into respective pixel unit is answered relatively small, and when transparency is lower, is then loaded into respective pixel unit
Pixel voltage answer it is relatively large.And for different pixel voltages, cut-in voltage needed for driving transistor and shutdown voltage
Also different.It is right according to the transparency of the pending display of transparent display panel in the adjusting method of control voltage in the present embodiment
Control voltage and carry out dynamic regulation, it is opposite to increase or reduce control voltage, compared with the prior art in based on unified constant control
The technical solution that voltage processed controls driving transistor, the technical solution of the application can effectively lower transparent display panel
Display power consumption.
The adjusting method of following the present embodiment is more clearly illustrated.The adjusting method of the control voltage of the present embodiment
Specifically it can comprise the following steps that
S11, according to the transparency range of the pending display of transparent display panel, determine the pixel voltage model of pixel unit
It encloses.
It is understood that the transparence display degree of transparent display panel is adjustable.When transparent display panel carries out
When display, the transparency of transparent display panel can be adjusted according to the demand of user.Specifically, can be by controlling transparence display face
Transparency corresponding to the display maximum gray and minimum gray of plate is (whole aobvious come the transparency for controlling transparent display panel entirety
Show effect).
It is to be determined thoroughly by the maximum transparency and minimum transparency of the pending display of transparent display panel in this step
The transparency range of the bright pending display of display panel, and corresponding voltage range is determined according to transparency range.
Specifically, the corresponding relationship of transparency and pixel voltage, example can be measured in this step by existing test method
Such as tested according to " transmittance test method " in existing " liquid crystal transparent display optical test method ".
S12, the cut-in voltage range for driving transistor that pixel unit is determined according to voltage range and shutdown voltage
Range.
It is understood that the pixel voltage in each pixel unit is brilliant by driving during the display of transparent display panel
The drain electrode of body pipe exports, and the pressure difference of the grid voltage and drain voltage that drive transistor determines the working condition of driving transistor.
Namely the cut-in voltage and shutdown voltage of driving transistor are relevant to the pixel voltage of pixel unit, therefore can be according to pixel electricity
Pressure range determines the cut-in voltage range and shutdown voltage range of the driving transistor of pixel unit.
S13, it is determined according to cut-in voltage range and opens control voltage, shutdown control electricity is determined according to shutdown voltage range
Pressure, so that gate drivers control each conducting for driving transistor or pass according to unlatching control voltage and shutdown control voltage
It is disconnected.
Since pixel unit is numerous in transparent display panel, each frame shows that the grayscale of each pixel of picture can change, this
Preferably being adjusted to control voltage according to the transparency range of the pending display of transparent display panel in embodiment can satisfy institute
In the range of thering is driving transistor to work.
Preferably, specific in this step can include: S31, to be determined according to the maximum value of cut-in voltage and open control voltage, opened
Open the maximum value that control voltage is more than or equal to cut-in voltage.S32, the step of shutdown control voltage is determined according to shutdown voltage range
It include: to determine that shutdown voltage, shutdown voltage are less than or equal to the minimum value of shutdown voltage according to the minimum value of shutdown voltage.
It is understood that when opening cut-in voltage needed for control voltage is greater than driving transistor, i.e., controllable driving
Transistor turns；When shutdown voltage needed for shutdown control voltage is less than driving transistor, i.e., controllable driving transistor shutdown.
It is therefore preferable that opening the maximum value that control voltage is more than or equal to cut-in voltage, shutdown voltage is less than or equal to the minimum of shutdown voltage
Value.
Preferably, the adjusting method of the present embodiment further include: each gray scale voltage S4, is determined according to the range of pixel voltage；
Wherein, maximum gray voltage is corresponding with maximum pixel voltage；Minimum gray voltage is corresponding with minimum pixel voltage.
When transparent display panel is shown, in the case where meeting required transparency, need to meet different grayscale
Display.Specifically, by taking 255 grayscale are shown as an example, in the present embodiment, can by the pixel voltage of corresponding highest transparency (namely
Minimum pixel voltage) it is corresponding with 0 gray scale voltage (namely minimum gray voltage), by the pixel voltage of the minimum transparency of correspondence (
That is maximum pixel voltage) it is corresponding with 255 gray scale voltages (namely maximum gray voltage), 1-244 gray scale voltage can then carry out
Gamma is determined after adjusting.It is understood that corresponding different gray scale voltages, drive the cut-in voltage and shutdown voltage of transistor
Although different, still in above-mentioned cut-in voltage range and shutdown voltage range, therefore display can be normally carried out.
Embodiment 2:
The present embodiment provides a kind of driving methods of transparent display panel, comprising: any control voltage that embodiment 1 provides
Adjusting method, and according to opening control voltage and shutdown control voltage controls the conducting or shutdown of each driving transistor
Step.
Wherein it is understood that opening control voltage and turning off control voltage is the control electricity provided according to embodiment 1
After pressing adjusting method to adjust.
Since the driving method of transparent display panel provided in this embodiment includes the tune for the control voltage that embodiment 1 provides
Section method, therefore when being driven to transparent display panel, control voltage can be according to the saturating of the pending display of transparent display panel
Lightness automatic adjustment, to reduce the display power consumption of transparent display panel.
Specifically, driving method provided in this embodiment can comprise the following steps that
S21, driver' s timing required when transparent display panel display is determined.
In this step, driving required when transparent display panel is shown can be obtained from time-sequence control module (TCON module)
Timing.
S22, control voltage required when transparent display panel display is adjusted.
Wherein, control voltage includes opening control voltage and shutdown control voltage, for controlling the conducting of driving transistor
Or shutdown.In this step, opens control voltage and shutdown control voltage is that the control voltage provided according to embodiment 1 is adjusted
Method, which is adjusted, to be completed, and specific reliable reference implementation example 1, details are not described herein.
S23, it is shown according to the control voltage control transparent display panel after driver' s timing and adjusting.
In this step, the control voltage after adjusting is output in the driving transistor of each pixel according to driver' s timing, is controlled
The work of system driving transistor inputs corresponding pixel electricity with the pixel electrode when driving transistor turns into each pixel
Pressure realizes the display under required transparency to control liquid crystal deflection.
In the present embodiment, further includes: S24, the transparency shown according to transparent display panel band adjust backlight
Light emission luminance.
In the present embodiment, when transparent display panel is shown, it can also be shown according to transparent display panel band
Transparency adjusts the light emission luminance of backlight, to meet the viewing demand being used for.Wherein, it is shown in transparent display panel band
In the case that the transparency shown is certain, the light emission luminance of backlight is bigger, the transparent display panel whole clearing in the user visual field
It spends lower；The light emission luminance of backlight is smaller, and transparent display panel whole clearing degree is higher in the user visual field.Of course, it is possible to
Understand, it is only user that the change of back light source brightness, which actually can not really change the transparency of transparent display panel,
Visual effect.Wherein, step S24 can be carried out before step S23, can also be carried out after step S23, the present embodiment
In with no restrictions.
Embodiment 3:
As shown in Fig. 2, the present embodiment provides a kind of regulating devices for controlling voltage, comprising: pixel voltage determining module, the
One determining module and the second determining module.
Pixel voltage determining module determines pixel for the transparency range according to the pending display of transparent display panel
The voltage range of unit.
First determining module, the cut-in voltage model of the driving transistor for determining pixel unit according to voltage range
Enclose and turn off voltage range.
Second determining module opens control voltage for determining according to cut-in voltage range, true according to shutdown voltage range
Shutdown control voltage calmly, so that gate drivers control each driving transistor according to control voltage and shutdown control voltage is opened
Conducting or shutdown.
Preferably, the regulating device of the control voltage in the present embodiment further include: gray scale voltage determination unit is used for basis
The range of pixel voltage determines each gray scale voltage；Wherein, maximum gray voltage is corresponding with maximum pixel voltage；Minimum gray voltage
It is corresponding with minimum pixel voltage.
Each module of regulating device provided in this embodiment can be integrated in chip, pass through FPGA (Field-
Programmable Gate Array, field programmable gate array) control realization.
Embodiment 4:
As shown in figure 3, the present embodiment provides a kind of transparent displays, comprising: the tune for the control voltage that embodiment 3 provides
Regulating device and gate drivers.Gate drivers are used for according to unlatching control voltage and each driving crystal of shutdown control voltage control
The conducting or shutdown of pipe.
Preferably, transparent display provided in this embodiment further include: time-sequence control module, for providing transparence display
Driver' s timing needed for Display panel.
It is further preferred that transparent display provided in this embodiment further include: transparent display panel.
In the present embodiment, transparent display panel is preferably transparent liquid crystal display panel, and further, transparent display is also
Including backlight, the periphery of transparent display panel may be disposed at, provide light source to transparent display panel.
Preferably, transparent display provided in this embodiment further include: brightness adjustment unit, for according to transparence display
The transparency that panel band is shown adjusts the light emission luminance of backlight.
Gate drivers provided in this embodiment are integrated in chip, and time-sequence control module, brightness adjustment unit etc. can also
It is integrated in chip, is controlled by FPGA (Field-Programmable Gate Array, field programmable gate array) real
It is existing.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of adjusting method, for adjusting the control voltage of transparent display panel, which is characterized in that the adjusting method packet
It includes:
According to the transparency range of the pending display of transparent display panel, the voltage range of pixel unit is determined；
The cut-in voltage range and shutdown voltage range of the driving transistor of pixel unit are determined according to the voltage range；
It is determined according to the cut-in voltage range and opens control voltage, shutdown control electricity is determined according to the shutdown voltage range
Pressure, for gate drivers according to it is described open control voltage and shutdown control voltage control it is each driving transistor conducting or
Shutdown.
2. adjusting method according to claim 1, which is characterized in that described to be opened according to the determination of the range of the cut-in voltage
The step of opening control voltage includes: to be determined to open control voltage according to the maximum value of the cut-in voltage, the unlatching control electricity
Pressure is more than or equal to the maximum value of the cut-in voltage；
Described the step of determining shutdown control voltage according to the shutdown voltage range includes: the minimum according to the shutdown voltage
Value determines that shutdown voltage, the shutdown voltage are less than or equal to the minimum value of the shutdown voltage.
3. adjusting method according to claim 1, which is characterized in that further include:
Each gray scale voltage is determined according to the range of the pixel voltage；Wherein, maximum gray voltage is corresponding with maximum pixel voltage；
Minimum gray voltage is corresponding with minimum pixel voltage.
4. a kind of driving method, for driving transparent display panel, which is characterized in that the driving method includes:
Adjusting method described in any one of claims 1 to 3；
Each conducting or shutdown for driving transistor is controlled according to the unlatching control voltage and shutdown control voltage.
5. driving method according to claim 4, which is characterized in that further include:
According to the transparency that the transparent display panel band is shown, the light emission luminance of backlight is adjusted.
6. a kind of regulating device, the control voltage for transparent display panel, which is characterized in that the regulating device includes:
Pixel voltage determining module determines pixel unit for the transparency range according to the pending display of transparent display panel
Voltage range；
First determining module, the cut-in voltage model of the driving transistor for determining pixel unit according to the voltage range
Enclose and turn off voltage range；
Second determining module opens control voltage for determining according to the cut-in voltage range, according to the shutdown voltage model
It encloses and determines shutdown control voltage, control each driving so that gate drivers control voltage and shutdown control voltage according to the unlatching
The conducting or shutdown of transistor.
7. regulating device according to claim 6, which is characterized in that further include: gray scale voltage determination unit is used for basis
The range of the pixel voltage determines each gray scale voltage；Wherein, maximum gray voltage is corresponding with maximum pixel voltage；Minimum gray
Voltage is corresponding with minimum pixel voltage.
8. a kind of transparent display characterized by comprising
Regulating device described in claim 6 or 7；
Gate drivers, for according to it is described open control voltage and shutdown control voltage control it is each driving transistor conducting or
Person's shutdown.
9. transparent display according to claim 8, which is characterized in that further include: brightness adjustment unit is used for basis
The transparency that the transparent display panel band is shown, adjusts the light emission luminance of backlight.
10. transparent display according to claim 8, which is characterized in that further include: transparent display panel.
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| CN201910568413.2A CN110189723B (en) | 2019-06-27 | 2019-06-27 | Adjusting method, adjusting device, driving method and transparent display device |
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| CN201910568413.2A CN110189723B (en) | 2019-06-27 | 2019-06-27 | Adjusting method, adjusting device, driving method and transparent display device |
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| CN110189723B CN110189723B (en) | 2021-08-06 |
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| CN110189723B (en) | 2021-08-06 |
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