CN105469769A - Liquid crystal display panel and method for displaying picture - Google Patents
Liquid crystal display panel and method for displaying picture Download PDFInfo
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- CN105469769A CN105469769A CN201610069277.9A CN201610069277A CN105469769A CN 105469769 A CN105469769 A CN 105469769A CN 201610069277 A CN201610069277 A CN 201610069277A CN 105469769 A CN105469769 A CN 105469769A
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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
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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
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
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- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention discloses a liquid crystal display panel and a method for displaying a picture, and belongs to the technical field of terminals. The liquid crystal display panel comprises a driving voltage obtaining module and a liquid crystal display panel module. The driving voltage obtaining module is electrically connected with the liquid crystal display panel module. The driving voltage obtaining module is used for obtaining the gray-scale value of the currently-displayed picture, determining the value of driving voltage according to the gray-scale value and transmitting the value of the driving voltage to the liquid crystal display panel module. The liquid crystal display panel module is used for generating a control signal according to the value of the driving voltage and displaying the currently-displayed picture according to the control signal, wherein the control signal carries the value of the driving voltage. The power consumption of the liquid crystal display panel can be reduced.
Description
Technical field
The present invention relates to field of terminal technology, a kind of method of particularly display panels and display frame.
Background technology
Display panels is due to frivolous, radiationless, flicker free and energy consumption is little etc. that plurality of advantages is widely used on computing machine; Computing machine is by display panels current display frame for user shows.
Existing display panels comprises: battery management integrated circuit, source driving circuit and display screen; Battery management circuit is electrically connected with source driving circuit, and source driving circuit is electrically connected with display screen; Control signal for generating control signal, and is transferred to source driving circuit by battery management integrated circuit, and this control signal carries driving voltage value; The driving voltage value that source driving circuit carries for positive voltage being set to this control signal, negative voltage is set to zero, thus drives display screen to show current display frame.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
The driving voltage value carried due to this control signal is fixing, and when the picture of the lower GTG of display screen display, fixing driving voltage value can cause the power consumption of display panels larger.
Summary of the invention
In order to reduce the power consumption of display panels, the invention provides a kind of method of display panels and display frame.Described technical scheme is as follows:
On the one hand, embodiments provide a kind of display panels, described display panels comprises: driving voltage acquisition module and LCD panel module;
Described driving voltage acquisition module and the electrical connection of described LCD panel module;
Described driving voltage acquisition module, for obtaining the grey decision-making of current display frame, according to described grey decision-making, determines driving voltage value, and described driving voltage value is transferred to described LCD panel module;
Described LCD panel module, for according to described driving voltage value, generates control signal, and according to the described current display frame of described control signal display, described control signal carries described driving voltage value.
Optionally, described driving voltage acquisition module comprises gray scale detection unit and voltage acquisition unit;
Described gray scale detection unit is electrically connected with described voltage acquisition unit, and described voltage acquisition unit is electrically connected with described LCD panel module;
Described gray scale detection unit, for obtaining the grey decision-making of current display frame, and is transferred to described voltage acquisition unit by described grey decision-making;
Described voltage acquisition unit, for according to described grey decision-making, selects to revise grey decision-making from grey decision-making list; According to described correction grey decision-making, driving voltage value corresponding to described correction grey decision-making is obtained from described grey decision-making list, and described driving voltage value is transferred to described LCD panel module, the corresponding relation of grey decision-making and driving voltage value is revised in described grey decision-making list for storing.
Optionally, described driving voltage value comprises positive driving voltage value and negative driving voltage value;
Described voltage acquisition unit, specifically for according to described correction grey decision-making, obtains positive driving voltage value corresponding to described correction grey decision-making and negative driving voltage value from described grey decision-making list.
Optionally, described voltage acquisition unit, specifically for according to described grey decision-making, selects to be more than or equal to described grey decision-making and the correction grey decision-making being less than the maximum modified grey decision-making that described grey decision-making list comprises from grey decision-making list.
Optionally, described voltage acquisition unit, specifically for according to described grey decision-making, selects the minimum correction grey decision-making being more than or equal to described grey decision-making from grey decision-making list.
Optionally, described driving voltage value comprises positive driving voltage value and negative driving voltage value; Described LCD panel module comprises battery management integrated circuit, source driving circuit and display screen;
Described driving voltage acquisition module is electrically connected with described battery management circuit, and described battery management circuit is electrically connected with described source driving circuit, and described source driving circuit is electrically connected with described display screen;
Described battery management integrated circuit, for according to described positive driving voltage value and described negative driving voltage value, generate control signal, and described control signal is transferred to described source driving circuit, described control signal carries described positive driving voltage value and described negative driving voltage value;
Described source driving circuit, for positive voltage being set to described positive driving voltage value, negative voltage is set to described negative driving voltage value, drives described display screen to show described current display frame.
On the other hand, embodiments provide a kind of method of display frame, described method comprises:
Obtain the grey decision-making of current display frame;
According to described grey decision-making, determine driving voltage value;
According to described driving voltage value, generate control signal, and according to the described current display frame of described control signal display, described control signal carries described driving voltage value.
Optionally, describedly determine driving voltage value according to described grey decision-making, comprising:
According to described grey decision-making, select to revise grey decision-making from grey decision-making list, the corresponding relation of grey decision-making and driving voltage value is revised in described grey decision-making list for storing;
According to described correction grey decision-making, from described grey decision-making list, obtain driving voltage value corresponding to described correction grey decision-making.
Optionally, described driving voltage value comprises positive driving voltage value and negative driving voltage value;
Described according to described correction grey decision-making, from described grey decision-making list, obtain driving voltage value corresponding to described correction grey decision-making, comprising:
According to described correction grey decision-making, from described grey decision-making list, obtain positive driving voltage value corresponding to described correction grey decision-making and negative driving voltage value.
Optionally, described according to described grey decision-making, select to revise grey decision-making from grey decision-making list, comprising:
According to described grey decision-making, select to be more than or equal to described grey decision-making from grey decision-making list and the correction grey decision-making being less than the maximum modified grey decision-making that described grey decision-making list comprises.
Optionally, described according to described grey decision-making, select to be more than or equal to described grey decision-making from grey decision-making list and the correction grey decision-making being less than the maximum modified grey decision-making that described grey decision-making list comprises, comprising:
According to described grey decision-making, from grey decision-making list, select the minimum correction grey decision-making being more than or equal to described grey decision-making.
Optionally, the grey decision-making of the current display frame of described acquisition, comprising:
Maximum gray value is selected from current display frame.
Optionally, described driving voltage value comprises positive driving voltage value and negative driving voltage value;
Described according to the described current display frame of described control signal display, comprising:
The positive voltage of source driving circuit is set to described positive driving voltage value, and negative voltage is set to described negative driving voltage value, shows described current display frame to drive display screen.
In embodiments of the present invention, according to the grey decision-making of current display frame, determine driving voltage value, according to this driving voltage value, show current display frame, thus the power consumption of display panels can be reduced.
Accompanying drawing explanation
Fig. 1 is the first structural representation of a kind of display panels that the embodiment of the present invention 1 provides;
Fig. 2 is the second structural representation of a kind of display panels that the embodiment of the present invention 1 provides;
Fig. 3 is the 3rd structural representation of a kind of display panels that the embodiment of the present invention 1 provides;
Fig. 4 is a kind of source driving circuit schematic diagram that the embodiment of the present invention 1 provides;
Fig. 5 is the method flow diagram of a kind of display frame that the embodiment of the present invention 2 provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment 1
See Fig. 1, embodiments provide a kind of display panels, comprising:
Driving voltage acquisition module 101 and LCD panel module 102; Driving voltage acquisition module 101 and LCD panel module 102 are electrically connected.
Driving voltage acquisition module 101, for obtaining the grey decision-making of current display frame, according to this grey decision-making, determines driving voltage value, and this driving voltage value is transferred to LCD panel module 102.
LCD panel module 102, for receiving the driving voltage value that driving voltage acquisition module 101 transmits, according to this driving voltage value, generate control signal, and show current display frame according to this control signal, this control signal carries this driving voltage value.
Due to driving voltage acquisition module 101, according to the grey decision-making of current display frame, determine driving voltage value, LCD panel module 102, according to this driving voltage value, shows current display frame, thus can reduce the power consumption of display panels.
See Fig. 2, driving voltage acquisition module 101 comprises gray scale detection unit 1011 and voltage acquisition unit 1012.
Gray scale detection unit 1011 is electrically connected with voltage acquisition unit 1012, and voltage acquisition unit 1012 is electrically connected with LCD panel module 102.
Gray scale detection unit 1011, for obtaining the grey decision-making of current display frame, and is transferred to voltage acquisition unit 1012 by this grey decision-making.
Wherein, multiple grey decision-making may be comprised in current display frame, in embodiments of the present invention, gray scale detection unit 1011 is when obtaining the grey decision-making of current display frame, in order to meet the display demand of current display frame, gray scale detection unit 1011 can select maximum gray value from current display frame.Certainly, in order to raise the efficiency, gray scale detection unit 1011 can also from current display frame Stochastic choice grey decision-making.In order to reduce the power consumption of display panels more, gray scale detection unit 1011 can also select minimum gray value from current display frame.In order to both meet the display demand of current display frame, reduce again the power consumption of display panels, gray scale detection unit 1011 can also calculate the average gray-scale value of current display frame.
Voltage acquisition unit 1012, for receiving the grey decision-making that gray scale detection unit 1011 transmits, according to this grey decision-making, determining driving voltage value, and this driving voltage value is transferred to LCD panel module 102.
A corresponding grey decision-making list of LCD panel module 102, accordingly, voltage acquisition unit 1012, also for obtaining the grey decision-making list of this LCD panel module 102 correspondence, store this grey decision-making list, this grey decision-making list is for storing the corresponding relation of grey decision-making and driving voltage value.
In order to save storage space and simplify processes process, the corresponding relation of all grey decision-making that display panels may show and driving voltage value is not stored in this grey decision-making list, the corresponding relation of storage area grey decision-making and driving voltage value, in embodiments of the present invention, part gray-scale value is called correction grey decision-making, is also that grey decision-making list is for storing the corresponding relation revising grey decision-making and driving voltage value.When voltage acquisition unit 1012 is according to this grey decision-making, when determining driving voltage value, first obtain from grey decision-making list and revise grey decision-making, then from grey decision-making list, obtain driving voltage value corresponding to this correction grey decision-making.
Accordingly, voltage acquisition unit 1012, also for according to this grey decision-making, select to revise grey decision-making from grey decision-making list, according to this correction grey decision-making, from grey decision-making list, obtain the driving voltage value that this correction grey decision-making is corresponding, the corresponding relation of grey decision-making and driving voltage value is revised in this grey decision-making list for storing.
In order to meet the display demand of current display frame, voltage acquisition unit 1012 when selecting to revise grey decision-making from grey decision-making list, select to be more than or equal to this grey decision-making from grey decision-making list and the correction grey decision-making being less than the maximum modified grey decision-making that this grey decision-making list comprises, preferably, from grey decision-making list, the minimum correction grey decision-making being more than or equal to this grey decision-making is selected.
Accordingly, voltage acquisition unit 1012, specifically for according to this grey decision-making, selects to be more than or equal to this grey decision-making and the correction grey decision-making being less than the maximum modified grey decision-making that this grey decision-making list comprises from grey decision-making list.
Preferably, voltage acquisition unit 1012, also for according to this grey decision-making, selects the minimum correction grey decision-making being more than or equal to this grey decision-making from grey decision-making list.
Driving voltage value comprises positive driving voltage value and negative driving voltage value; Then grey decision-making list is for storing the corresponding relation revising grey decision-making, positive driving voltage value and negative driving voltage value; Accordingly, voltage acquisition unit 1012, also for according to this correction grey decision-making, obtains positive driving voltage value corresponding to this correction grey decision-making and negative driving voltage value from grey decision-making list.
Such as, table 1 is the grey decision-making list that the embodiment of the present invention provides, and this grey decision-making list comprises 9 and revises grey decision-making, is respectively L0, L1, L31, L63, L127, L191, L223, L254 and L255; Driving voltage value is respectively V1 ~ V18 (V1 to V18 reduces successively).
Table 1
| Revise grey decision-making | Positive driving voltage value | Negative driving voltage value |
| L255 | V1 | V18 |
| L254 | V2 | V17 |
| L223 | V3 | V16 |
| L191 | V4 | V15 |
| L127 | V5 | V14 |
| L63 | V6 | V13 |
| L31 | V7 | V12 |
| L1 | V8 | V11 |
| L0 | V9 | V10 |
Such as, the grey decision-making that gray scale detection unit 1011 obtains current display frame is L185, and gray scale detection unit 1011 is by L185 transmission voltage acquiring unit 1012; Voltage acquisition unit 1012 receives the L185 that gray scale detection unit 1011 transmits, according to this L185, select to be more than or equal to L185 from table 1 and the correction grey decision-making being less than L255 is L191, L223 and L254, voltage acquisition unit 1012 Stochastic choice one from this L191, L223 and L254 revises grey decision-making, preferably, minimum correction grey decision-making L191 is selected from this L191, L223 and L254, according to this L191, from table 1, obtain this L191 corresponding positive driving voltage value V4 and negative driving voltage value V15.
For another example, the grey decision-making that gray scale detection unit 1011 obtains current display frame is L191, and gray scale detection unit 1011 is by L191 transmission voltage acquiring unit 1012; Voltage acquisition unit 1012 receives the L191 that gray scale detection unit 1011 transmits, according to this L191, select to be more than or equal to L191 from table 1 and the correction grey decision-making being less than L255 is L191, L223 and L254, voltage acquisition unit 1012 Stochastic choice one from this L191, L223 and L254 revises grey decision-making, preferably, minimum correction grey decision-making L191 is selected from this L191, L223 and L254, according to this L191, from table 1, obtain this L191 corresponding positive driving voltage value V4 and negative driving voltage value V15.
Optionally, this grey decision-making list is also for storing the corresponding relation of grey decision-making scope, positive driving voltage value and negative driving voltage value; Accordingly, voltage acquisition unit 1012, also for according to this grey decision-making, the grey decision-making scope at this grey decision-making place is selected from grey decision-making list, according to the grey decision-making scope of this selection, from the corresponding relation of grey decision-making scope, positive driving voltage value and negative driving voltage value, obtain positive driving voltage value corresponding to the grey decision-making scope of this selection and negative driving voltage value.
Such as, table 2 is grey decision-making lists that the embodiment of the present invention provides, and this grey decision-making list comprises 9 grey decision-making scopes, is respectively (0, L0], (L0, L1], (L1, L31], (L31, L63], (L63, L127], (L127, L191], (L191, L223), (L223, L254], (L254, L255], driving voltage value is respectively V1 ~ V18 (V1 to V18 reduces successively).
Table 2
| Grey decision-making scope | Positive driving voltage value | Negative driving voltage value |
| (L254，L255] | V1 | V18 |
| (L223，L254] | V2 | V17 |
| (L191，L223) | V3 | V16 |
| (L127，L191] | V4 | V15 |
| (L63，L127] | V5 | V14 |
| (L31，L63] | V6 | V13 |
| (L1，L31] | V7 | V12 |
| (L0，L1] | V8 | V11 |
| (0，L0] | V9 | V10 |
Such as, the grey decision-making that gray scale detection unit 1011 obtains current display frame is L185, and gray scale detection unit 1011 is by L185 transmission voltage acquiring unit 1012; Voltage acquisition unit 1012 receives the L185 that gray scale detection unit 1011 transmits, according to this L185, grey decision-making scope (the L127 at L185 place is selected from table 1, L191], according to this grey decision-making scope (L127, L191], obtain from table 1 this grey decision-making scope (L127, L191] corresponding positive driving voltage value V4 and negative driving voltage value V15.
In order to improve accuracy, the corresponding relation of each grey decision-making also comprised for display panels in this grey decision-making list, positive driving voltage value and negative driving voltage value; Accordingly, voltage acquisition unit 1012, also for according to this grey decision-making, obtains positive driving voltage value corresponding to this grey decision-making and negative driving voltage value from grey decision-making list.
Optionally, also revising grey decision-making for storing in grey decision-making list, just driving offset voltage value and the negative corresponding relation driving offset voltage value; Accordingly, voltage acquisition unit 1012, also for according to this correction grey decision-making, obtains just driving offset voltage value corresponding to this correction grey decision-making and negative driving offset voltage value from grey decision-making list.
In embodiments of the present invention, voltage acquisition unit 1012 can just drive offset voltage value and this negative driving offset voltage value according to this, determine positive driving voltage value and negative driving voltage value, this positive driving voltage value and this negative driving voltage value are transferred to LCD panel module 102.
This can also directly just drive offset voltage value and this negative offset voltage value that drives to be transferred to LCD panel module 102 by voltage acquisition unit 1012, just drive offset voltage value and this negative driving offset voltage value by LCD panel module 102 according to this, determine positive driving voltage value and negative driving voltage value.
Voltage acquisition unit 1012, also for just driving offset voltage value and negative driving offset voltage value according to this, calculates positive driving voltage value and negative driving voltage value.
Voltage acquisition unit 1012, also for obtaining the positive driving voltage value of acquiescence and negative driving voltage value, calculate the positive driving voltage value of this acquiescence and this is just driving the positive driving voltage difference of offset voltage value, calculate negative driving voltage value and this negative negative driving voltage difference driving offset voltage value of this acquiescence, positive voltage is reduced this positive driving voltage difference and obtain this positive driving voltage value, negative voltage is increased this negative driving voltage difference and obtain this negative driving voltage value.
Gray scale detection unit 1011 can be Framemaxgraydetect (the maximum gray scale detection of frame) unit, and voltage acquisition unit 1012 can for tying up a gamma (parameters of display) voltage comparison unit.
See Fig. 3, LCD panel module 102 comprises battery management integrated circuit 1021, source driving circuit 1022 and display screen 1023.
Driving voltage acquisition module 101 is electrically connected with battery management circuit, and battery management circuit is electrically connected with source driving circuit 1022, and source driving circuit 1022 is electrically connected with display screen 1023.
Battery management integrated circuit 1021, for receiving the positive driving voltage value of driving voltage acquisition module 101 transmission and negative driving voltage value, according to this positive driving voltage value and this negative driving voltage value, generate control signal, and this control signal is transferred to source driving circuit 1022, this control signal carries this positive driving voltage value and this negative driving voltage value.
Source driving circuit 1022, for positive voltage being set to this positive driving voltage value, negative voltage is set to this negative driving voltage value, drives display screen 1023 to show current display frame.
Preferably, the voltage acquisition unit 1012 that driving voltage acquisition module 101 comprises is electrically connected with battery management circuit.Accordingly, battery management integrated circuit 1021, also for positive driving voltage value and the negative driving voltage value of receiver voltage acquiring unit 1012 transmission.
Source driving circuit 1022 comprises operational amplifier, see Fig. 4, operational amplifier comprises AVDD_H end and AVDD_L end, the AVDD_H of operational amplifier is set to this positive driving voltage value by source driving circuit 1022, AVDD_L is set to this negative driving voltage value, thus drives display screen 1023 to show current display frame.
Optionally, if voltage acquisition unit 1012 transmits this to LCD panel module 102 just driving offset voltage value and negative driving offset voltage value; Battery management integrated circuit 1021, the just driving offset voltage value also transmitted for receiving driving voltage acquisition module 101 drives offset voltage value with negative, offset voltage value and negative driving offset voltage value is just being driven according to this, generate control signal, and this control signal is transferred to source driving circuit 1022, this control signal is carried this and is just being driven offset voltage value and negative driving offset voltage value.
Source driving circuit 1022, also for receiving this control signal that battery management integrated circuit 1021 transmits, obtaining this and just driving offset voltage value and negative driving offset voltage value from this control signal.
Source driving circuit 1022, also for obtaining the positive driving voltage value of acquiescence and negative driving voltage value, calculate the positive driving voltage value of this acquiescence and this is just driving the positive driving voltage difference of offset voltage value, calculate negative driving voltage value and this negative negative driving voltage difference driving offset voltage value of this acquiescence, positive voltage is reduced this positive driving voltage difference and obtain this positive driving voltage value, negative voltage is increased this negative driving voltage difference and obtain this negative driving voltage value.
Such as, the positive driving voltage value of acquiescence is V1, and the negative driving voltage value of acquiescence is V18, then this AVDD_H is set to AVDD-(V1-V4), AVDD_L is set to AGND+ (V15-V18).As can be seen here, the power consumption of the display panels after adjustment obviously reduces.
In embodiments of the present invention, according to the grey decision-making of current display frame, determine driving voltage value, according to this driving voltage value, show current display frame, thus the power consumption of display panels can be reduced.
Embodiment 2
See Fig. 5, embodiments provide a kind of method of display frame, the display panels that the executive agent of the method can provide for embodiment 1, the method comprises:
Step 201: the grey decision-making obtaining current display frame.
Multiple grey decision-making may be comprised in current display frame, in embodiments of the present invention, gray scale detection unit is when obtaining the grey decision-making of current display frame, and in order to meet the display demand of current display frame, gray scale detection unit can select maximum gray value from current display frame.Certainly, in order to raise the efficiency, gray scale detection unit can also from current display frame Stochastic choice grey decision-making.In order to reduce the power consumption of display panels more, gray scale detection unit can also select minimum gray value from current display frame.In order to both meet the display demand of current display frame, reduce again the power consumption of display panels, gray scale detection unit can also calculate the average gray-scale value of current display frame.
Step 202: according to this grey decision-making, selects to revise grey decision-making from grey decision-making list.
A corresponding grey decision-making list of LCD panel module, accordingly, before this step, obtain the grey decision-making list that this LCD panel module is corresponding, store this grey decision-making list, this grey decision-making list is for storing the corresponding relation of grey decision-making and driving voltage value.
In order to save storage space and simplify processes process, the corresponding relation of all grey decision-making that display panels may show and driving voltage value is not stored in this grey decision-making list, the corresponding relation of storage area grey decision-making and driving voltage value, in embodiments of the present invention, part gray-scale value is called correction grey decision-making, is also that grey decision-making list is for storing the corresponding relation revising grey decision-making and driving voltage value.
In order to meet the display demand of current display frame, this step can be:
According to this grey decision-making, select to be more than or equal to this grey decision-making from grey decision-making list and the correction grey decision-making being less than the maximum modified grey decision-making that this grey decision-making list comprises, preferably, from grey decision-making list, the minimum correction grey decision-making being more than or equal to this grey decision-making is selected.
Optionally, this grey decision-making list is also for storing the corresponding relation of grey decision-making scope, positive driving voltage value and negative driving voltage value; Accordingly, this step can be:
According to this grey decision-making, from grey decision-making list, select the grey decision-making scope at this grey decision-making place.
Step 203: according to this correction grey decision-making, obtain the driving voltage value that this correction grey decision-making is corresponding from grey decision-making list.
Driving voltage value comprises positive driving voltage value and negative driving voltage value; Then grey decision-making list is for storing the corresponding relation revising grey decision-making, positive driving voltage value and negative driving voltage value; Accordingly, this step can be:
According to this correction grey decision-making, from grey decision-making list, obtain positive driving voltage value corresponding to this correction grey decision-making and negative driving voltage value.
If this grey decision-making list is also for storing the corresponding relation of grey decision-making scope, positive driving voltage value and negative driving voltage value; Accordingly, this step can be:
According to the grey decision-making scope of this selection, from grey decision-making list, obtain positive driving voltage value corresponding to this correction grey decision-making scope and negative driving voltage value.
In order to improve accuracy, the corresponding relation of each grey decision-making also comprised for display panels in this grey decision-making list, positive driving voltage value and negative driving voltage value; Accordingly, step 202 and step 203 can replace with:
According to this grey decision-making, from grey decision-making list, obtain positive driving voltage value corresponding to this grey decision-making and negative driving voltage value.
Optionally, also revising grey decision-making for storing in grey decision-making list, just driving offset voltage value and the negative corresponding relation driving offset voltage value; Accordingly, this step can be:
According to this correction grey decision-making, from grey decision-making list, obtain just driving offset voltage value corresponding to this correction grey decision-making and negative driving offset voltage value, just drive offset voltage value and this negative offset voltage value that drives to calculate positive driving voltage corresponding to this grey decision-making and negative driving voltage according to this.
Wherein, the step just driving offset voltage value and this negative driving offset voltage value to calculate positive driving voltage corresponding to this grey decision-making and negative driving voltage according to this can be:
Obtain the positive driving voltage value of acquiescence and negative driving voltage value, calculate the positive driving voltage value of this acquiescence and this is just driving the positive driving voltage difference of offset voltage value, calculate negative driving voltage value and this negative negative driving voltage difference driving offset voltage value of this acquiescence, positive voltage is reduced this positive driving voltage difference and obtain this positive driving voltage value, negative voltage is increased this negative driving voltage difference and obtain this negative driving voltage value.
Step 204: according to this driving voltage value, generates control signal.
According to this positive driving voltage value and this negative driving voltage value, generate control signal, this control signal carries this positive driving voltage value and this negative driving voltage value.
Optionally, obtain after just driving offset voltage value and negative driving offset voltage value in step 203, can temporarily offset voltage value and the negative offset voltage value that drives just be not being driven to calculate positive driving voltage corresponding to this grey decision-making and negative driving voltage according to this, directly this just driven offset voltage value and the negative offset voltage value that drives to be loaded in control signal, then this step can be:
Just driving offset voltage value and this negative offset voltage value that drives to generate control signal according to this, this control signal is carried this and is just being driven offset voltage value to drive offset voltage value with negative.
Step 205: show current display frame according to this control signal.
The positive voltage of source driving circuit is set to this positive driving voltage value, negative voltage is set to this negative driving voltage value, shows current display frame to drive display screen.
If this control signal is carried this and is just being driven offset voltage value and negative driving offset voltage value.This step can be:
Obtain the positive driving voltage value of acquiescence and negative driving voltage value, calculate the positive driving voltage value of this acquiescence and this is just driving the positive driving voltage difference of offset voltage value, calculate negative driving voltage value and this negative negative driving voltage difference driving offset voltage value of this acquiescence, positive voltage is reduced this positive driving voltage difference, negative voltage is increased this negative driving voltage difference.
It should be noted that, for every frame picture of display panels display, the method all provided by embodiment 2 shows.
In embodiments of the present invention, according to the grey decision-making of current display frame, determine driving voltage value, according to this driving voltage value, show current display frame, thus the power consumption of display panels can be reduced.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a display panels, is characterized in that, described display panels comprises: driving voltage acquisition module and LCD panel module;
Described driving voltage acquisition module and the electrical connection of described LCD panel module;
Described driving voltage acquisition module, for obtaining the grey decision-making of current display frame, according to described grey decision-making, determines driving voltage value, and described driving voltage value is transferred to described LCD panel module;
Described LCD panel module, for according to described driving voltage value, generates control signal, and according to the described current display frame of described control signal display, described control signal carries described driving voltage value.
2. display panels as claimed in claim 1, it is characterized in that, described driving voltage acquisition module comprises gray scale detection unit and voltage acquisition unit;
Described gray scale detection unit is electrically connected with described voltage acquisition unit, and described voltage acquisition unit is electrically connected with described LCD panel module;
Described gray scale detection unit, for obtaining the grey decision-making of current display frame, and is transferred to described voltage acquisition unit by described grey decision-making;
Described voltage acquisition unit, for according to described grey decision-making, selects to revise grey decision-making from grey decision-making list; According to described correction grey decision-making, driving voltage value corresponding to described correction grey decision-making is obtained from described grey decision-making list, and described driving voltage value is transferred to described LCD panel module, the corresponding relation of grey decision-making and driving voltage value is revised in described grey decision-making list for storing.
3. display panels as claimed in claim 2, it is characterized in that, described driving voltage value comprises positive driving voltage value and negative driving voltage value;
Described voltage acquisition unit, specifically for according to described correction grey decision-making, obtains positive driving voltage value corresponding to described correction grey decision-making and negative driving voltage value from described grey decision-making list.
4. display panels as claimed in claim 2, is characterized in that,
Described voltage acquisition unit, specifically for according to described grey decision-making, selects to be more than or equal to described grey decision-making and the correction grey decision-making being less than the maximum modified grey decision-making that described grey decision-making list comprises from grey decision-making list.
5. display panels as claimed in claim 4, is characterized in that,
Described voltage acquisition unit, specifically for according to described grey decision-making, selects the minimum correction grey decision-making being more than or equal to described grey decision-making from grey decision-making list.
6. display panels as claimed in claim 1, it is characterized in that, described driving voltage value comprises positive driving voltage value and negative driving voltage value; Described LCD panel module comprises battery management integrated circuit, source driving circuit and display screen;
Described driving voltage acquisition module is electrically connected with described battery management circuit, and described battery management circuit is electrically connected with described source driving circuit, and described source driving circuit is electrically connected with described display screen;
Described battery management integrated circuit, for according to described positive driving voltage value and described negative driving voltage value, generate control signal, and described control signal is transferred to described source driving circuit, described control signal carries described positive driving voltage value and described negative driving voltage value;
Described source driving circuit, for positive voltage being set to described positive driving voltage value, negative voltage is set to described negative driving voltage value, drives described display screen to show described current display frame.
7. a method for display frame, is characterized in that, described method comprises:
Obtain the grey decision-making of current display frame;
According to described grey decision-making, determine driving voltage value;
According to described driving voltage value, generate control signal, and according to the described current display frame of described control signal display, described control signal carries described driving voltage value.
8. method as claimed in claim 7, is characterized in that, describedly determines driving voltage value according to described grey decision-making, comprising:
According to described grey decision-making, select to revise grey decision-making from grey decision-making list, the corresponding relation of grey decision-making and driving voltage value is revised in described grey decision-making list for storing;
According to described correction grey decision-making, from described grey decision-making list, obtain driving voltage value corresponding to described correction grey decision-making.
9. method as claimed in claim 8, it is characterized in that, described driving voltage value comprises positive driving voltage value and negative driving voltage value;
Described according to described correction grey decision-making, from described grey decision-making list, obtain driving voltage value corresponding to described correction grey decision-making, comprising:
According to described correction grey decision-making, from described grey decision-making list, obtain positive driving voltage value corresponding to described correction grey decision-making and negative driving voltage value.
10. method as claimed in claim 8, is characterized in that, described according to described grey decision-making, selects to revise grey decision-making, comprising from grey decision-making list:
According to described grey decision-making, select to be more than or equal to described grey decision-making from grey decision-making list and the correction grey decision-making being less than the maximum modified grey decision-making that described grey decision-making list comprises.
11. methods as claimed in claim 10, is characterized in that, described according to described grey decision-making, select to be more than or equal to described grey decision-making and the correction grey decision-making being less than the maximum modified grey decision-making that described grey decision-making list comprises, comprising from grey decision-making list:
According to described grey decision-making, from grey decision-making list, select the minimum correction grey decision-making being more than or equal to described grey decision-making.
12. methods as claimed in claim 7, it is characterized in that, the grey decision-making of the current display frame of described acquisition, comprising:
Maximum gray value is selected from current display frame.
13. methods as claimed in claim 7, it is characterized in that, described driving voltage value comprises positive driving voltage value and negative driving voltage value;
Described according to the described current display frame of described control signal display, comprising:
The positive voltage of source driving circuit is set to described positive driving voltage value, and negative voltage is set to described negative driving voltage value, shows described current display frame to drive display screen.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108877657A (en) * | 2018-07-25 | 2018-11-23 | 京东方科技集团股份有限公司 | Luminance compensation method and device, display device |
| US10249245B1 (en) | 2017-11-22 | 2019-04-02 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Compensation system and compensation method for AMOLED |
| CN109559690A (en) * | 2018-12-04 | 2019-04-02 | 昆山龙腾光电有限公司 | Gamma voltage generation circuit, method and liquid crystal display device |
| WO2019100486A1 (en) * | 2017-11-22 | 2019-05-31 | 深圳市华星光电半导体显示技术有限公司 | Compensation system and compensation method for amoled display |
| CN110197641A (en) * | 2019-05-22 | 2019-09-03 | 武汉华星光电技术有限公司 | Panel driving voltage adjusting method, display equipment and the device with store function |
| WO2019205946A1 (en) * | 2018-04-26 | 2019-10-31 | 京东方科技集团股份有限公司 | Voltage adjustment method and apparatus, and display device |
| CN114495858A (en) * | 2022-02-09 | 2022-05-13 | Tcl华星光电技术有限公司 | Image display method, device and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW417078B (en) * | 1997-12-09 | 2001-01-01 | Fujitsu Ltd | Liquid crystal display device, drive circuit for liquid crystal display device, and method for driving liquid crystal display device |
| KR101128252B1 (en) * | 2005-04-29 | 2012-03-23 | 엘지디스플레이 주식회사 | Liquid Crystal Display device |
| CN102956173A (en) * | 2011-08-17 | 2013-03-06 | 联咏科技股份有限公司 | Display driving device and driving method thereof |
| CN103295506A (en) * | 2013-05-31 | 2013-09-11 | 京东方科技集团股份有限公司 | Gamma curve adjusting method and gamma curve adjusting device |
| CN104992676A (en) * | 2015-08-04 | 2015-10-21 | 京东方科技集团股份有限公司 | Driving voltage control method, driving voltage control device, array substrate and display device |
| CN105185291A (en) * | 2015-09-07 | 2015-12-23 | 京东方科技集团股份有限公司 | Display driving method and device and display device |
-
2016
- 2016-02-01 CN CN201610069277.9A patent/CN105469769B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW417078B (en) * | 1997-12-09 | 2001-01-01 | Fujitsu Ltd | Liquid crystal display device, drive circuit for liquid crystal display device, and method for driving liquid crystal display device |
| KR101128252B1 (en) * | 2005-04-29 | 2012-03-23 | 엘지디스플레이 주식회사 | Liquid Crystal Display device |
| CN102956173A (en) * | 2011-08-17 | 2013-03-06 | 联咏科技股份有限公司 | Display driving device and driving method thereof |
| CN103295506A (en) * | 2013-05-31 | 2013-09-11 | 京东方科技集团股份有限公司 | Gamma curve adjusting method and gamma curve adjusting device |
| CN104992676A (en) * | 2015-08-04 | 2015-10-21 | 京东方科技集团股份有限公司 | Driving voltage control method, driving voltage control device, array substrate and display device |
| CN105185291A (en) * | 2015-09-07 | 2015-12-23 | 京东方科技集团股份有限公司 | Display driving method and device and display device |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10249245B1 (en) | 2017-11-22 | 2019-04-02 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Compensation system and compensation method for AMOLED |
| WO2019100486A1 (en) * | 2017-11-22 | 2019-05-31 | 深圳市华星光电半导体显示技术有限公司 | Compensation system and compensation method for amoled display |
| WO2019205946A1 (en) * | 2018-04-26 | 2019-10-31 | 京东方科技集团股份有限公司 | Voltage adjustment method and apparatus, and display device |
| US10991336B2 (en) | 2018-04-26 | 2021-04-27 | Chongqing Boe Optoelectronics Technology Co., Ltd. | Voltage adjustment method, voltage adjustment device and display device |
| CN108877657A (en) * | 2018-07-25 | 2018-11-23 | 京东方科技集团股份有限公司 | Luminance compensation method and device, display device |
| US11069285B2 (en) | 2018-07-25 | 2021-07-20 | Boe Technology Group Co., Ltd. | Luminance compensation method and apparatus, and display device |
| CN109559690A (en) * | 2018-12-04 | 2019-04-02 | 昆山龙腾光电有限公司 | Gamma voltage generation circuit, method and liquid crystal display device |
| CN109559690B (en) * | 2018-12-04 | 2021-01-15 | 昆山龙腾光电股份有限公司 | Gamma voltage generating circuit, method and liquid crystal display device |
| CN110197641A (en) * | 2019-05-22 | 2019-09-03 | 武汉华星光电技术有限公司 | Panel driving voltage adjusting method, display equipment and the device with store function |
| CN110197641B (en) * | 2019-05-22 | 2021-08-24 | 武汉华星光电技术有限公司 | Panel driving voltage adjusting method, display device and device with storage function |
| CN114495858A (en) * | 2022-02-09 | 2022-05-13 | Tcl华星光电技术有限公司 | Image display method, device and storage medium |
| CN114495858B (en) * | 2022-02-09 | 2024-03-08 | Tcl华星光电技术有限公司 | Image display method, device and storage medium |
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