CN102298904A - Method for adjusting backlight brightness of display device and equipment with display device - Google Patents
Method for adjusting backlight brightness of display device and equipment with display device Download PDFInfo
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- CN102298904A CN102298904A CN2010102145100A CN201010214510A CN102298904A CN 102298904 A CN102298904 A CN 102298904A CN 2010102145100 A CN2010102145100 A CN 2010102145100A CN 201010214510 A CN201010214510 A CN 201010214510A CN 102298904 A CN102298904 A CN 102298904A
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Abstract
The embodiment of the invention discloses a display method used for a display device and equipment with a display function. The method comprises the following steps: determining the first light transmittance of an image to be displayed and the first backlight brightness needing to be used when the image to be displayed is displayed; ensuring the difference between the product of the first light transmittance and the first backlight brightness and the product of the light transmittance of a displayed historical image before the image to be displayed and the backlight brightness needing to be used when the corresponding displayed historical image is displayed to be within a first threshold; and controlling the backlight brightness to display the image to be displayed with the first backlight brightness. By adopting the display method and the equipment, the brightness variation of light emitted by the display device can be reduced, thus reducing watching discomfort of users in the dark environment.
Description
Technical field
The present invention relates to display technique, particularly regulate the technology of the backlight illumination of display device.
Background technology
Equipment with display device, as mobile phone, televisor etc., often adopt and utilize the device shown of carrying out backlight, be used as it as LCD LCD (Liquid Cristal Display) and show output device, LCD has TFT (Thin-Film Transistor), STN technology kinds such as (Super Twisted Nematic), and full impregnated shows that (display light source is back of the body lamp) and semi-transparent demonstration (promptly can do display light source with back of the body lamp, also can be with extraneous light irradiation as light source) wait display type, and present the most frequently used LCD is TFT full-transparency type LCD.
For TFT full-transparency type LCD, the required light source of display image is all provided by LCD back of the body lamp on the screen, and light sends from LCD back of the body lamp, behind the pixel among the LCD, is delivered in the human eye, goes up content displayed so the people has just seen LCD.
In dark surrounds, when needs are distinguished trickle light, human eye can produce a kind of enzyme rapidly, help distinguish, but bright and clear under the environment to a certain degree this kind of enzyme will disappear, so no matter the residing environment of human eye be from the bright and clear dark that changes to, and still changes to bright and clear from dark, human eye all needs certain hour to deacclimatize the variation of this environment, and this sensation that will cause human eye to have little time to make quick response and cause discomfort that changes fast.Here it is, and people often experience when seeing TV at night, do not throw light on if open a lamp in the room, and the then dark bright variation of television image will cause the very uncomfortable reason of human eye perceives.
Also promptly, for utilizing the display device that shows backlight, in the environment of dark, when causing the brightness of the light that arrives human eye to change as if displaying contents, human eye also can not feel like oneself.
There is a kind of ambient light brightness that is applied on the handheld device to regulate the method backlight of display device at present, a light sensing chip, the ambient light brightness that induction is extraneous for example are installed in mobile phone according to the external world.External environment condition is bright more, then regulates the brightness of back of the body lamp, makes it bright more, guarantees can cross external environment light by force from the light that LCD back of the body lamp sends, and makes the user can be clearly seen that the demonstration on the LCD.
Yet the method for this adjusting backlight illumination can only change according to the brightness of surround lighting regulates brightness backlight, and when the user was in dark surrounds always, brightness backlight can not change.So when causing the light luminance that arrives human eye to change when the displaying contents variation, it is incompatible that human eye still can be felt.
Summary of the invention
Embodiments of the invention provide a kind of method of regulating the backlight illumination of display device, and a kind of equipment with display device, reducing the variation of the light luminance that display device sends, thereby reduce the sense of discomfort of user when watching under dark surrounds.
An a kind of embodiment who is used for the display packing of display device provided by the invention, this method comprises:
First backlight illumination that need use when determining first transmittance of image to be displayed and showing described image to be displayed; So that the product of described first transmittance and described first backlight illumination, the difference of the product of the backlight illumination that uses with the transmittance of history display image before the described image to be displayed with when showing the corresponding historical display image is in first threshold;
The brightness of control back of the body lamp shows described image to be displayed with described first backlight illumination.
Among the embodiment of a kind of device with Presentation Function provided by the invention, this device comprises:
Adjustment unit, first backlight illumination that uses when being used for determining first transmittance of image to be displayed and showing described image to be displayed; So that the product of described first transmittance and described first backlight illumination, with the transmittance of history display image before the described image to be displayed and the difference of product that shows the backlight illumination that the corresponding historical display image uses in first threshold; With
Control module is used for the brightness of control back of the body lamp, shows described image to be displayed with described first backlight illumination.
The long-pending transmission display screen that is of transmittance and backlight illumination, shine the intensity/brightness of the light in the external environment condition, by adjustment among the above embodiment and control, the difference of the intensity/brightness of the light of transmissive display curtain is in a restricted portion in the time of can making the intensity/brightness of the light of transmissive display curtain when showing image to be displayed and show the history display image, make that the light variation of human eye perceives is less, so be reduced in the sense of discomfort when watching display frame in the dark surrounds.
Description of drawings
Fig. 1 is the schematic flow sheet of an embodiment of a kind of display packing provided by the invention;
Fig. 2 is the schematic flow sheet of an embodiment of a kind of display packing provided by the invention;
Fig. 3 is the schematic flow sheet of an embodiment of a kind of display packing provided by the invention;
Fig. 4 is the schematic flow sheet of an embodiment of a kind of display packing provided by the invention;
Fig. 5 is the schematic flow sheet of an embodiment of a kind of display packing provided by the invention;
Fig. 6 is the schematic flow sheet of an embodiment of a kind of display packing provided by the invention;
Fig. 7 is the schematic flow sheet of an embodiment of a kind of display packing provided by the invention;
Fig. 8 is the schematic flow sheet of an embodiment of a kind of display packing provided by the invention;
Fig. 9 is the schematic flow sheet of an embodiment of a kind of display packing provided by the invention;
Figure 10 is the schematic flow sheet of an embodiment of a kind of display packing provided by the invention;
Figure 11 is the synoptic diagram of an embodiment of a kind of equipment with Presentation Function provided by the invention;
Figure 12 is the synoptic diagram of an embodiment of a kind of equipment with Presentation Function provided by the invention;
Figure 13 is the synoptic diagram of an embodiment of a kind of equipment with Presentation Function provided by the invention.
Embodiment
The present invention has provided several and has been used for the display packing of display device, and has an embodiment of the equipment of Presentation Function, in these embodiments, display device can be regulated backlight illumination according to the transmittance of image to be displayed, also can regulate the transmittance of image according to backlight illumination, perhaps regulate the transmittance and the backlight illumination of image to be displayed simultaneously, thereby guarantee that the emit beam variation of brightness of display device is unlikely excessive, reduce the sense of discomfort of user when under dark surrounds, watching.Need to prove that what below provide only is embodiments more of the present invention, those skilled in the art can obtain other embodiment according to these embodiments under the situation of not paying performing creative labour.These concrete embodiments should not regarded the qualification to scope of the present invention as.
As shown in Figure 1, at an embodiment who is used for the display packing of display device of the present invention, comprise following steps:
Optically, transmittance is meant the ratio of incident light and emergent light intensity.For image to be displayed, transmittance is meant the ratio of brightness/intensity and brightness/intensity by shining light in the external environment condition behind the display screen of the light of back of the body lamp emission.For display device, this value is decided by image itself.For example, if picture is adjusted to the master with dead color, the screen that then most light can be shown device hides and can not be delivered to the external world, therefore transmittance is just low, if and be adjusted to the master with white, the screen that then most light can direct transmission display device is delivered to external environment, so transmittance is just high.
The long-pending transmission display screen that is of transmittance and backlight illumination, shine the intensity/brightness of the light in the external environment condition, by the adjustment of step 10 and the control of step 12, the difference of the intensity/brightness of the light of transmissive display curtain is in a restricted portion in the time of can making the intensity/brightness of the light of transmissive display curtain when showing image to be displayed and show the history display image, make that the light variation of human eye perceives is less, so be reduced in the sense of discomfort when watching display frame in the dark surrounds.
As shown in Figure 2, in one embodiment of the invention, can control the variation of intensity/brightness of the screen emergent light of display device by a default prevalue.In this embodiment, step 10 can comprise:
The BMP data bitmap has indicated that clearly LCD goes up the color of each picture element, and for example full F represents white, and full O represents black, therefore, as long as all pixels are added up, just can calculate the overall light transmittance of this width of cloth image easily.
According to aforesaid way, those skilled in the art can also calculate the transmittance of image to be displayed by other modes.The present invention does not limit the transmittance that how to calculate image to be displayed.
The product of first backlight illumination and described first transmittance is the intensity/brightness that makes the light of transmissive display curtain when showing image to be displayed, the difference of control this product of image to be displayed and a prevalue can guarantee that then the difference of intensity/brightness of the transmitted ray of all display images is no more than two times described second threshold value in second threshold range.For example second threshold value is X, prevalue is Y, the max transmissive light of display image is X+Y so, minimum transmitted light is Y-X, so maximum difference is Y+X-(Y-X)=2X, second threshold value promptly is set is 1/2nd of first threshold set in the step 10, the difference of transmitted light that can guarantee image to be displayed and history image is in the first threshold scope.
In the present embodiment, by the prevalue of a transmitted light is set, adjust the transmittance and the backlight illumination of image to be displayed according to this prevalue, the transmitted light of image to be displayed is fluctuateed up and down at this prevalue, thereby avoided transmitted light than great fluctuation process, the difference of the intensity/brightness of the light of transmissive display curtain is in a restricted portion in the time of can making the intensity/brightness of the light of transmissive display curtain when showing image to be displayed and show the history display image, make that the light variation of human eye perceives is less, so be reduced in the sense of discomfort when watching display frame in the dark surrounds.
As shown in Figure 1, at an embodiment who is used for the display packing of display device of the present invention, before step 10, can also comprise:
Write down the transmittance and the backlight illumination of history image, can control the intensity/brightness of the transmitted light of transmissive display curtain when showing image to be displayed, the difference that makes them is in first threshold.
Be understandable that for the present invention, this step and non-essential can be found out from embodiment shown in Figure 2, under the situation of the transmittance of determining intensity to be shown according to setting value, the backlight illumination of the transmittance of log history image and use thereof not.
As shown in Figure 3, at one an of the present invention embodiment who is used for the display packing of display device, step 14 can comprise:
The backlight illumination that step 140, record adopt when showing the last piece image of described image to be displayed and the last transmittance of piece image; The backlight illumination of the last piece image of described image to be displayed is first product with the product that should go up the transmittance of piece image;
Correspondingly, step 10 can comprise:
The implementation of this step was described in the aforementioned embodiment, repeated no more herein.
In this embodiment, the backlight intensity and the transmittance of last piece image by the record image to be displayed, thereby determine to show the transmitted intensity/brightness of piece image on this, adjust the backlight intensity of image to be displayed in view of the above, thereby the transmitted intensity/brightness that makes the transmitted intensity/brightness of image to be displayed and should go up piece image has reduced the human eye sense of discomfort when watching in first threshold.
As shown in Figure 4, at one an of the present invention embodiment who is used for the display packing of display device, step 14 can comprise:
For example, the backlight illumination and corresponding transmittance of 5 width of cloth images that show before the record, the product addition of the transmittance of every width of cloth image and backlight illumination then divided by 5, obtains mean value.
Correspondingly, step 10 can comprise:
The implementation of this step was described in the aforementioned embodiment, repeated no more herein.
In this embodiment, backlight intensity and transmittance by the image of the preset quantity of demonstration before the record image to be displayed, thereby determine the mean value of the transmitted intensity/brightness of this preset quantity image of demonstration, adjust the backlight intensity of image to be displayed in view of the above, thereby the mean value that makes the transmitted intensity/brightness of image to be displayed and this transmitted intensity/brightness has reduced the human eye sense of discomfort when watching in first threshold.
As shown in Figure 5, at one an of the present invention embodiment who is used for the display packing of display device, step 14 can comprise:
Described first backlight illumination that step 144, record adopt when showing the last piece image of described image to be displayed and the last transmittance of piece image; Described first backlight illumination is first product with the product that should go up the transmittance of piece image;
In the present embodiment, the backlight illumination of image to be displayed is identical with the backlight illumination that should go up piece image, does not adjust.
Correspondingly, step 10 can comprise:
The method of adjusting the image transmittance by the pixel parameter of the image adjusted can change the color of each pixel in the image for the algorithm according to prior agreement.Give an example, if finding the overall light transmittance of present image reduces suddenly, then can suitably increase the printing opacity situation of each pixel, if for example present picture element be 0x404040 (with 24 bits red/green/blue form comes for example), color is very dark, we can be adjusted into 0x505050 with it, like this, be grey equally, adjusting the back image will be brighter, thereby improve transmittance, like this, we just can not change under the situation of overall display effect substantially, and the brightness of level and smooth display screen changes, and make the more comfortable purpose of human eye impression thereby reach.
According to aforesaid way, those skilled in the art can also adjust the transmittance of image to be displayed by other modes.The present invention does not limit transmittance how to adjust image to be displayed.
In the present embodiment, do not change backlight illumination, only adjust transmittance by the pixel parameter of adjusting image, thereby reach the purpose of the variation of transmitted light brightness/intensity in the level and smooth screen display process, also overcome simultaneously because of the frequent backlight illumination of adjusting, may make the user produce the defective of interface flicker.
As shown in Figure 6, at one an of the present invention embodiment who is used for the display packing of display device, step 14 can comprise:
Step 146 writes down described the image to be displayed backlight illumination and corresponding transmittance of the image of the preset quantity of demonstration before; The backlight illumination of the image of described number of thresholds is described first backlight illumination; The product of the mean value of the transmittance of the image of described first backlight illumination and described preset quantity is first mean value;
In the present embodiment, the backlight illumination of image to be displayed is identical with the backlight illumination that should go up piece image, does not adjust.
Correspondingly, step 10 can comprise:
1010, adjust the pixel parameter of described image to be displayed, obtain adjusted image to be displayed, make that the transmittance of described adjusted image to be displayed is described first transmittance, and the difference of the product of described first transmittance and described first backlight illumination and described first mean value is in described first threshold.
Adjust method existing description in last embodiment of the transmittance of image to be displayed by the pixel parameter of adjusting image to be displayed, do not repeat them here.
Different with last embodiment is, present embodiment is the transmittance that benchmark is regulated image to be displayed with the mean value of the transmitted intensity of some images of showing before, can make the variation of transmitted intensity more level and smooth.
As shown in Figure 7, at one an of the present invention embodiment who is used for the display packing of display device, the not backlight intensity of log history image and transmittance, and adjust the transmittance of image according to prevalue, adopt the backlight intensity identical to show with history image.In this embodiment, step 10 can comprise:
Adjust existing in the aforementioned embodiment description of method of the transmittance of image to be displayed by the pixel parameter of adjusting image to be displayed, do not repeat them here.
As shown in Figure 8, at one an of the present invention embodiment who is used for the display packing of display device, step 14 can comprise:
The backlight illumination that step 148, record adopt when showing the last piece image of described image to be displayed and the last transmittance of piece image; The described backlight illumination of going up piece image is first product with the product that should go up the transmittance of piece image;
Correspondingly, step 10 can comprise:
Adjust existing in the aforementioned embodiment description of method of the transmittance of image to be displayed by the pixel parameter of adjusting image to be displayed, do not repeat them here.
Be with the previous embodiment difference, in the present embodiment, adjust the backlight illumination of image to be displayed and the transmittance of image to be displayed simultaneously.So that the difference of the intensity/brightness of the transmitted light of the intensity/brightness of the transmitted light when showing image to be displayed and preceding piece image has reduced the sense of discomfort of human eye in first threshold.
As shown in Figure 9, at one an of the present invention embodiment who is used for the display packing of display device, step 14 can comprise:
Step 1410 writes down described the image to be displayed backlight illumination and corresponding transmittance of the image of the preset quantity of demonstration before; The backlight illumination of each image is first mean value with the mean value of the product of corresponding transmittance in the image of described preset quantity;
For example, the backlight illumination and corresponding transmittance of 5 width of cloth images that show before the record, the product addition of the transmittance of every width of cloth image and backlight illumination then divided by 5, obtains mean value.
Correspondingly, step 10 can comprise:
Step 1016 is adjusted the pixel parameter of described image to be displayed according to described first mean value, obtains adjusted image to be displayed, makes that the transmittance of described adjusted image to be displayed is described first transmittance; And the backlight illumination that need use when determine showing described image to be displayed is described first backlight illumination, so that the difference of the product of described first transmittance and described first backlight illumination and described first mean value is in described first threshold.
Adjust existing in the aforementioned embodiment description of method of the transmittance of image to be displayed by the pixel parameter of adjusting image to be displayed, do not repeat them here.
Different with last embodiment is, present embodiment is that benchmark is regulated the transmittance of image to be displayed and adjusted the transmittance of image to be displayed with the mean value of the transmitted intensity of some images of showing before, can make the variation of transmitted intensity more level and smooth.
As shown in figure 10, at one an of the present invention embodiment who is used for the display packing of display device, the not backlight intensity of log history image and transmittance, and adjust the transmittance and the backlight intensity of image according to prevalue.In this embodiment, step 10 can comprise:
Adjust existing in the aforementioned embodiment description of method of the transmittance of image to be displayed by the pixel parameter of adjusting image to be displayed, do not repeat them here.
Through the above description of the embodiments, those skilled in the art can be well understood to some embodiments of the present invention and can realize by the mode that software adds essential general hardware platform, can certainly realize by hardware.Based on such understanding, technical scheme of the present invention can embody with the form of software product, and this software product is stored in the storage medium, comprises that some instructions are used so that a computing equipment is carried out the described method of each embodiment of the present invention.
As shown in figure 11, be an embodiment with equipment of Presentation Function of the present invention, this equipment comprises:
The long-pending transmission display screen that is of transmittance and backlight illumination, shine the intensity/brightness of the light in the external environment condition, by the adjustment of adjustment unit 16 and the control of control module 18, the difference of the intensity/brightness of the light of transmissive display curtain is in a restricted portion in the time of can making the intensity/brightness of the light of transmissive display curtain when showing image to be displayed and show the history display image, make that the light variation of human eye perceives is less, so be reduced in the sense of discomfort when watching display frame in the dark surrounds.
As shown in figure 12, in an embodiment of the equipment with Presentation Function of the present invention, adjustment unit 16 can comprise:
First determining unit 160 is used for according to described first transmittance of the pixel calculation of parameter of image to be displayed; With
Second determining unit 162, be used for determining described first backlight illumination that the difference that makes the product of described first backlight illumination and described first transmittance and described prevalue is in second threshold value according to described first transmittance that a prevalue and described first determining unit calculate; Described second threshold value is 1/2nd of a described first threshold.
In the present embodiment, by the prevalue of a transmitted light is set, adjust the transmittance and the backlight illumination of image to be displayed according to this prevalue, the transmitted light of image to be displayed is fluctuateed up and down at this prevalue, thereby avoided transmitted light than great fluctuation process, the difference of the intensity/brightness of the light of transmissive display curtain is in a restricted portion in the time of can making the intensity/brightness of the light of transmissive display curtain when showing image to be displayed and show the history display image, make that the light variation of human eye perceives is less, so be reduced in the sense of discomfort when watching display frame in the dark surrounds.
As shown in figure 11, in an embodiment of the equipment with Presentation Function of the present invention, this equipment can also comprise:
Be understandable that, for the present invention, this record cell 15 and non-essential can be found out from embodiment shown in Figure 12, under the situation of the transmittance of determining intensity to be shown according to setting value, the backlight illumination of the transmittance of log history image and use thereof not.
With reference to Figure 13, in an embodiment of the equipment with Presentation Function of the present invention, record cell 15 specifically is used for: the backlight illumination that record adopts when showing the last piece image of described image to be displayed and the last transmittance of piece image; The backlight illumination of the last piece image of described image to be displayed is first product with the product that should go up the transmittance of piece image;
First determining unit 160 is used for according to described first transmittance of the pixel calculation of parameter of described image to be displayed;
Second determining unit 162 is used for determining described first backlight illumination according to described first product and described first transmittance, so that the difference of the product of described first backlight illumination and described first transmittance and described first product is in described first threshold.
In this embodiment, the backlight intensity and the transmittance of last piece image by the record image to be displayed, thereby determine to show the transmitted intensity/brightness of piece image on this, adjust the backlight intensity of image to be displayed in view of the above, thereby the transmitted intensity/brightness that makes the transmitted intensity/brightness of image to be displayed and should go up piece image has reduced the human eye sense of discomfort when watching in first threshold.
With reference to Figure 13, in an embodiment of the equipment with Presentation Function of the present invention, record cell 15 specifically is used for: the backlight illumination and corresponding transmittance that write down the image of the preset quantity that shows before the described image to be displayed; The backlight illumination of each image is first mean value with the mean value of the product of corresponding transmittance in the image of described preset quantity;
For example, the backlight illumination and corresponding transmittance of 5 width of cloth images that show before the record, the product addition of the transmittance of every width of cloth image and backlight illumination then divided by 5, obtains mean value.
First determining unit 160 is used for according to described first transmittance of the pixel calculation of parameter of described image to be displayed;
Second determining unit 162 is used for described first mean value and described first transmittance is determined described first backlight illumination so that the product of described first backlight illumination and described first transmittance, with the difference of described first mean value in described first threshold.
In this embodiment, backlight intensity and transmittance by the image of the preset quantity of demonstration before the record image to be displayed, thereby determine the mean value of the transmitted intensity/brightness of this preset quantity image of demonstration, adjust the backlight intensity of image to be displayed in view of the above, thereby the mean value that makes the transmitted intensity/brightness of image to be displayed and this transmitted intensity/brightness has reduced the human eye sense of discomfort when watching in first threshold.
With reference to Figure 11, in an embodiment of the equipment with Presentation Function of the present invention, record cell 15 specifically is used for: described first backlight illumination that record adopts when showing the last piece image of described image to be displayed and the last transmittance of piece image; Described first backlight illumination is first product with the product that should go up the transmittance of piece image;
In the present embodiment, the backlight illumination of image to be displayed is identical with the backlight illumination that should go up piece image, does not adjust.
In the present embodiment, do not change backlight illumination, only adjust transmittance by the pixel parameter of adjusting image, thereby reach the purpose of the variation of transmitted light brightness/intensity in the level and smooth screen display process, also overcome simultaneously because of the frequent backlight illumination of adjusting, may make the user produce the defective of interface flicker.
With reference to Figure 11, in an embodiment of the equipment with Presentation Function of the present invention, record cell 15 specifically is used for: the backlight illumination and corresponding transmittance that write down the image of the preset quantity that shows before the described image to be displayed; The backlight illumination of the image of described number of thresholds is described first backlight illumination; The product of the mean value of the transmittance of the image of described first backlight illumination and described preset quantity is first mean value;
Different with last embodiment is, present embodiment is the transmittance that benchmark is regulated image to be displayed with the mean value of the transmitted intensity of some images of showing before, can make the variation of transmitted intensity more level and smooth.
With reference to Figure 11, in an embodiment of the equipment with Presentation Function of the present invention, adjustment unit 16 specifically is used for:
Adjust the pixel parameter of described image to be displayed according to a prevalue and described first backlight illumination, obtain adjusted image to be displayed, make that the transmittance of described adjusted image to be displayed is described first transmittance, and the difference of the product of described first transmittance and described first backlight illumination and described prevalue is in second threshold value; Described second threshold value is 1/2nd of a described first threshold.
With reference to Figure 11, in an embodiment of the equipment with Presentation Function of the present invention, record cell 15 specifically is used for: the backlight illumination that record adopts when showing the last piece image of described image to be displayed and the last transmittance of piece image; The described backlight illumination of going up piece image is first product with the product that should go up the transmittance of piece image;
Be with the embodiment difference of aforementioned device, in the present embodiment, adjust the backlight illumination of image to be displayed and the transmittance of image to be displayed simultaneously.So that the difference of the intensity/brightness of the transmitted light of the intensity/brightness of the transmitted light when showing image to be displayed and preceding piece image has reduced the sense of discomfort of human eye in first threshold.
With reference to Figure 11, in an embodiment of the equipment with Presentation Function of the present invention, record cell 15 specifically is used for: the backlight illumination and corresponding transmittance that write down the image of the preset quantity that shows before the described image to be displayed; The backlight illumination of each image is first mean value with the mean value of the product of corresponding transmittance in the image of described preset quantity;
Different with last embodiment is, present embodiment is transmittance and the backlight illumination that benchmark is regulated image to be displayed with the mean value of the transmitted intensity of some images of showing before, can make the variation of transmitted intensity more level and smooth.
With reference to Figure 11, in an embodiment of the equipment with Presentation Function of the present invention, adjustment unit 16 specifically is used for:
Adjust the pixel parameter of described image to be displayed according to a prevalue adjustment, obtain adjusted image to be displayed, make that the transmittance of described adjusted image to be displayed is described first transmittance; And first backlight illumination that is identified for showing described image to be displayed, the difference that makes the product of described first backlight illumination and described first transmittance and described prevalue is in second threshold value; Described second threshold value is 1/2nd of a described first threshold.
Above-described equipment with Presentation Function can be that TV reaches mobile phone, computer etc.
The above is embodiments more of the present invention, being equal to of the understandable above-mentioned embodiment of any person of ordinary skill in the field replace or obviously distortion all belong to protection scope of the present invention.
Claims (22)
1. a display packing that is used for display device is characterized in that, comprising:
First backlight illumination that need use when determining first transmittance of image to be displayed and showing described image to be displayed; So that the product of described first transmittance and described first backlight illumination, the difference of the product of the backlight illumination that uses with the transmittance of history display image before the described image to be displayed with when showing the corresponding historical display image is in first threshold;
The brightness of control back of the body lamp shows described image to be displayed with described first backlight illumination.
2. display packing according to claim 1 is characterized in that, first transmittance of described definite image to be displayed and first backlight illumination that need use when showing described image to be displayed comprise:
According to described first transmittance of the pixel calculation of parameter of image to be displayed;
Determine described first backlight illumination according to a prevalue and described first transmittance, the difference that makes the product of described first backlight illumination and described first transmittance and described prevalue is in second threshold value;
Described second threshold value is 1/2nd of a described first threshold.
3. display packing according to claim 1 is characterized in that, before first transmittance of described definite image to be displayed and first backlight illumination that need use when showing described image to be displayed, also comprises:
The backlight illumination that uses when writing down the transmittance of the history image that shows before the described image to be displayed and showing described history image.
4. display packing according to claim 3 is characterized in that, the transmittance of the history image that shows before the described record image to be displayed and the backlight illumination that uses when showing described history image comprise:
The backlight illumination that record adopts when showing the last piece image of described image to be displayed and the last transmittance of piece image; The backlight illumination of the last piece image of described image to be displayed is first product with the product that should go up the transmittance of piece image;
First transmittance of described definite image to be displayed and first backlight illumination that need use when showing described image to be displayed comprise:
According to described first transmittance of the pixel calculation of parameter of described image to be displayed;
Determine described first backlight illumination according to described first product and described first transmittance, so that the difference of the product of described first backlight illumination and described first transmittance and described first product is in described first threshold.
5. display packing according to claim 3 is characterized in that, the transmittance of the history image that shows before the described record image to be displayed and the backlight illumination that uses when showing described history image comprise:
Write down the backlight illumination and corresponding transmittance of the image of the preset quantity that shows before the described image to be displayed; The backlight illumination of each image is first mean value with the mean value of the product of corresponding transmittance in the image of described preset quantity;
First transmittance of described definite image to be displayed and first backlight illumination that need use when showing described image to be displayed comprise:
According to described first transmittance of the pixel calculation of parameter of image to be displayed;
Determine described first backlight illumination according to described first mean value and described first transmittance so that the product of described first backlight illumination and described first transmittance, with the difference of described first mean value in described first threshold.
6. method according to claim 3 is characterized in that, the transmittance of the history image that shows before the described record image to be displayed and the backlight illumination that uses when showing described history image comprise:
Described first backlight illumination that record adopts when showing the last piece image of described image to be displayed and the last transmittance of piece image; Described first backlight illumination is first product with the product that should go up the transmittance of piece image;
First transmittance of described definite image to be displayed and first backlight illumination that need use when showing described image to be displayed comprise:
Adjust the pixel parameter of described image to be displayed according to described first product, obtain adjusted image to be displayed, the transmittance that makes described adjusted image to be displayed is described first transmittance, and the product of described first transmittance and described first backlight illumination and described first product are in described first threshold.
7. method according to claim 3 is characterized in that, the transmittance of the history image that shows before the described record image to be displayed and the backlight illumination that uses when showing described history image comprise:
Write down the backlight illumination and corresponding transmittance of the image of the preset quantity that shows before the described image to be displayed; The backlight illumination of the image of described number of thresholds is described first backlight illumination; The product of the mean value of the transmittance of the image of described first backlight illumination and described preset quantity is first mean value;
First transmittance of described definite image to be displayed and first backlight illumination that need use when showing described image to be displayed comprise:
Adjust the pixel parameter of described image to be displayed, obtain adjusted image to be displayed, make that the transmittance of described adjusted image to be displayed is described first transmittance, and the difference of the product of described first transmittance and described first backlight illumination and described first mean value is in described first threshold.
8. method according to claim 1 is characterized in that, first transmittance of described definite image to be displayed and first backlight illumination that need use when showing described image to be displayed comprise:
Adjust the pixel parameter of described image to be displayed according to a prevalue and described first backlight illumination, obtain adjusted image to be displayed, make that the transmittance of described adjusted image to be displayed is described first transmittance, and the difference of the product of described first transmittance and described first backlight illumination and described prevalue is in second threshold value;
Described second threshold value is 1/2nd of a described first threshold.
9. method according to claim 3 is characterized in that, the transmittance of the history image that shows before the described record image to be displayed and the backlight illumination that uses when showing described history image comprise:
The backlight illumination that record adopts when showing the last piece image of described image to be displayed and the last transmittance of piece image; The described backlight illumination of going up piece image is first product with the product that should go up the transmittance of piece image;
First transmittance of described definite image to be displayed and first backlight illumination that need use when showing described image to be displayed comprise:
Adjust the pixel parameter of described image to be displayed according to described first product, obtain adjusted image to be displayed, the transmittance that makes described adjusted image to be displayed is described first transmittance; And the backlight illumination that need use when determine showing described image to be displayed is described first backlight illumination, so that the product of described first transmittance and described first backlight illumination and described first product are in described first threshold.
10. method according to claim 3 is characterized in that, the transmittance of the history image that shows before the described record image to be displayed and the backlight illumination that uses when showing described history image comprise:
Write down the backlight illumination and corresponding transmittance of the image of the preset quantity that shows before the described image to be displayed; The backlight illumination of each image is first mean value with the mean value of the product of corresponding transmittance in the image of described preset quantity;
First transmittance of described definite image to be displayed and first backlight illumination that need use when showing described image to be displayed comprise:
Adjust the pixel parameter of described image to be displayed according to described first mean value, obtain adjusted image to be displayed, make that the transmittance of described adjusted image to be displayed is described first transmittance; And the backlight illumination that need use when determine showing described image to be displayed is described first backlight illumination, so that the difference of the product of described first transmittance and described first backlight illumination and described first mean value is in described first threshold.
11. method according to claim 1 is characterized in that, first transmittance of described definite image to be displayed and first backlight illumination that need use when showing described image to be displayed comprise:
Adjust the pixel parameter of described image to be displayed according to a prevalue adjustment, obtain adjusted image to be displayed, make that the transmittance of described adjusted image to be displayed is described first transmittance; And first backlight illumination that is identified for showing described image to be displayed, the difference that makes the product of described first backlight illumination and described first transmittance and described prevalue is in second threshold value;
Described second threshold value is 1/2nd of a described first threshold.
12. the equipment with Presentation Function is characterized in that, comprising:
Adjustment unit, first backlight illumination that uses when being used for determining first transmittance of image to be displayed and showing described image to be displayed; So that the product of described first transmittance and described first backlight illumination, with the transmittance of history display image before the described image to be displayed and the difference of product that shows the backlight illumination that the corresponding historical display image uses in first threshold; With
Control module is used for the brightness of control back of the body lamp, shows described image to be displayed with described first backlight illumination.
13. equipment according to claim 12 is characterized in that, described adjustment unit comprises:
First determining unit is used for according to described first transmittance of the pixel calculation of parameter of image to be displayed; With
Second determining unit, be used for determining described first backlight illumination that the difference that makes the product of described first backlight illumination and described first transmittance and described prevalue is in second threshold value according to described first transmittance that a prevalue and described first determining unit calculate; Described second threshold value is 1/2nd of a described first threshold.
14. equipment according to claim 12 is characterized in that, described equipment also comprises:
Record cell, the backlight illumination that uses when being used to write down the transmittance of the history image that shows before the described image to be displayed and showing described history image.
15. equipment according to claim 14 is characterized in that, described record cell specifically is used for:
The backlight illumination that record adopts when showing the last piece image of described image to be displayed and the last transmittance of piece image; The backlight illumination of the last piece image of described image to be displayed is first product with the product that should go up the transmittance of piece image;
Described adjustment unit comprises:
First determining unit is used for according to described first transmittance of the pixel calculation of parameter of described image to be displayed;
Second determining unit is used for determining described first backlight illumination according to described first product and described first transmittance, so that the difference of the product of described first backlight illumination and described first transmittance and described first product is in described first threshold.
16. equipment according to claim 14 is characterized in that, described record cell specifically is used for:
Write down the backlight illumination and corresponding transmittance of the image of the preset quantity that shows before the described image to be displayed; The backlight illumination of each image is first mean value with the mean value of the product of corresponding transmittance in the image of described preset quantity;
Described adjustment unit comprises:
First determining unit is used for according to described first transmittance of the pixel calculation of parameter of described image to be displayed;
Second determining unit is used for described first mean value and described first transmittance is determined described first backlight illumination so that the product of described first backlight illumination and described first transmittance, with the difference of described first mean value in described first threshold.
17. equipment according to claim 14 is characterized in that, described record cell specifically is used for:
Described first backlight illumination that record adopts when showing the last piece image of described image to be displayed and the last transmittance of piece image; Described first backlight illumination is first product with the product that should go up the transmittance of piece image;
Described adjustment unit specifically is used for adjusting according to described first product pixel parameter of described image to be displayed, obtain adjusted image to be displayed, the transmittance that makes described adjusted image to be displayed is described first transmittance, and the product of described first transmittance and described first backlight illumination and described first product are in described first threshold.
18. method according to claim 14 is characterized in that, described record cell specifically is used for:
Write down the backlight illumination and corresponding transmittance of the image of the preset quantity that shows before the described image to be displayed; The backlight illumination of the image of described number of thresholds is described first backlight illumination; The product of the mean value of the transmittance of the image of described first backlight illumination and described preset quantity is first mean value;
Described adjustment unit specifically is used to adjust the pixel parameter of described image to be displayed, obtain adjusted image to be displayed, make that the transmittance of described adjusted image to be displayed is described first transmittance, and the difference of the product of described first transmittance and described first backlight illumination and described first mean value is in described first threshold.
19. equipment according to claim 12 is characterized in that, described adjustment unit specifically is used for:
Adjust the pixel parameter of described image to be displayed according to a prevalue and described first backlight illumination, obtain adjusted image to be displayed, make that the transmittance of described adjusted image to be displayed is described first transmittance, and the difference of the product of described first transmittance and described first backlight illumination and described prevalue is in second threshold value; Described second threshold value is 1/2nd of a described first threshold.
20. equipment according to claim 14 is characterized in that, described record cell specifically is used for:
The backlight illumination that record adopts when showing the last piece image of described image to be displayed and the last transmittance of piece image; The described backlight illumination of going up piece image is first product with the product that should go up the transmittance of piece image;
Described adjustment unit specifically is used for, and adjusts the pixel parameter of described image to be displayed according to described first product, obtains adjusted image to be displayed, and the transmittance that makes described adjusted image to be displayed is described first transmittance; And the backlight illumination that need use when determine showing described image to be displayed is described first backlight illumination, so that the product of described first transmittance and described first backlight illumination and described first product are in described first threshold.
21. equipment according to claim 14 is characterized in that, described record cell specifically is used for:
Write down the backlight illumination and corresponding transmittance of the image of the preset quantity that shows before the described image to be displayed; The backlight illumination of each image is first mean value with the mean value of the product of corresponding transmittance in the image of described preset quantity;
Described adjustment unit specifically is used for, and adjusts the pixel parameter of described image to be displayed according to described first mean value, obtains adjusted image to be displayed, makes that the transmittance of described adjusted image to be displayed is described first transmittance; And the backlight illumination that need use when determine showing described image to be displayed is described first backlight illumination, so that the difference of the product of described first transmittance and described first backlight illumination and described first mean value is in described first threshold.
22. equipment according to claim 14 is characterized in that, described adjustment unit specifically is used for:
Adjust the pixel parameter of described image to be displayed according to a prevalue adjustment, obtain adjusted image to be displayed, make that the transmittance of described adjusted image to be displayed is described first transmittance; And first backlight illumination that is identified for showing described image to be displayed, the difference that makes the product of described first backlight illumination and described first transmittance and described prevalue is in second threshold value; Described second threshold value is 1/2nd of a described first threshold.
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| CN2010102145100A CN102298904A (en) | 2010-06-28 | 2010-06-28 | Method for adjusting backlight brightness of display device and equipment with display device |
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| CN2010102145100A CN102298904A (en) | 2010-06-28 | 2010-06-28 | Method for adjusting backlight brightness of display device and equipment with display device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103415105A (en) * | 2013-07-02 | 2013-11-27 | 深圳Tcl新技术有限公司 | Backlight units, display backlight compensation method, and display |
| CN104157262A (en) * | 2014-08-08 | 2014-11-19 | 深圳市华星光电技术有限公司 | Method of improving brightness uniformity of 3D liquid crystal display in case of 3D display and system |
| CN104637451A (en) * | 2015-03-09 | 2015-05-20 | 联想(北京)有限公司 | Display control method and electronic equipment |
| CN105139814A (en) * | 2015-06-05 | 2015-12-09 | 深圳创维－Rgb电子有限公司 | Liquid crystal display and display method thereof |
| CN106550135A (en) * | 2016-11-02 | 2017-03-29 | 惠州Tcl移动通信有限公司 | A kind of display backlight brightness control method and system based on mobile terminal |
| CN106658687A (en) * | 2016-12-30 | 2017-05-10 | 深圳市文鼎创数据科技有限公司 | Method and device for optimizing power consumption of battery-powered device |
| CN107180621A (en) * | 2017-07-28 | 2017-09-19 | 广州视源电子科技股份有限公司 | A kind of method, device and display device for adjusting display parameters |
| WO2018121303A1 (en) * | 2016-12-27 | 2018-07-05 | 惠科股份有限公司 | Liquid crystal display and method for driving same |
| WO2022006753A1 (en) * | 2020-07-07 | 2022-01-13 | 北京凯视达科技股份有限公司 | Display control device and method for determining light intensity of backlight area |
| CN114170944A (en) * | 2021-12-10 | 2022-03-11 | 昆山国显光电有限公司 | Display device and display brightness adjusting method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007034251A (en) * | 2005-03-24 | 2007-02-08 | Sony Corp | Display apparatus and display method |
| CN101099191A (en) * | 2005-10-18 | 2008-01-02 | 夏普株式会社 | Liquid crystal display device |
| CN101281732A (en) * | 2008-03-26 | 2008-10-08 | 青岛海信电器股份有限公司 | Liquid crystal display method |
| CN101281731A (en) * | 2008-03-26 | 2008-10-08 | 青岛海信电器股份有限公司 | Liquid crystal display method |
| US20090140975A1 (en) * | 2007-12-04 | 2009-06-04 | Ryosuke Nonaka | Image display apparatus and image display method |
| CN101546537A (en) * | 2008-03-28 | 2009-09-30 | 北京京东方光电科技有限公司 | Drive method, compensation processor and drive device of liquid crystal display device |
| CN101690186A (en) * | 2008-04-22 | 2010-03-31 | 索尼株式会社 | Device and method for controlling display, and program |
-
2010
- 2010-06-28 CN CN2010102145100A patent/CN102298904A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007034251A (en) * | 2005-03-24 | 2007-02-08 | Sony Corp | Display apparatus and display method |
| CN101099191A (en) * | 2005-10-18 | 2008-01-02 | 夏普株式会社 | Liquid crystal display device |
| US20090140975A1 (en) * | 2007-12-04 | 2009-06-04 | Ryosuke Nonaka | Image display apparatus and image display method |
| CN101281732A (en) * | 2008-03-26 | 2008-10-08 | 青岛海信电器股份有限公司 | Liquid crystal display method |
| CN101281731A (en) * | 2008-03-26 | 2008-10-08 | 青岛海信电器股份有限公司 | Liquid crystal display method |
| CN101546537A (en) * | 2008-03-28 | 2009-09-30 | 北京京东方光电科技有限公司 | Drive method, compensation processor and drive device of liquid crystal display device |
| CN101690186A (en) * | 2008-04-22 | 2010-03-31 | 索尼株式会社 | Device and method for controlling display, and program |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103415105A (en) * | 2013-07-02 | 2013-11-27 | 深圳Tcl新技术有限公司 | Backlight units, display backlight compensation method, and display |
| CN103415105B (en) * | 2013-07-02 | 2016-05-11 | 深圳Tcl新技术有限公司 | Method and the display in backlight module, compensation display backlight source |
| CN104157262A (en) * | 2014-08-08 | 2014-11-19 | 深圳市华星光电技术有限公司 | Method of improving brightness uniformity of 3D liquid crystal display in case of 3D display and system |
| US9892694B2 (en) | 2014-08-08 | 2018-02-13 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Method and system for improving luminance uniformity of 3D liquid crystal display in 3D displaying |
| CN104637451A (en) * | 2015-03-09 | 2015-05-20 | 联想(北京)有限公司 | Display control method and electronic equipment |
| CN105139814B (en) * | 2015-06-05 | 2017-10-17 | 深圳创维－Rgb电子有限公司 | Liquid crystal display and its display methods |
| CN105139814A (en) * | 2015-06-05 | 2015-12-09 | 深圳创维－Rgb电子有限公司 | Liquid crystal display and display method thereof |
| CN106550135A (en) * | 2016-11-02 | 2017-03-29 | 惠州Tcl移动通信有限公司 | A kind of display backlight brightness control method and system based on mobile terminal |
| CN106550135B (en) * | 2016-11-02 | 2020-04-07 | 惠州Tcl移动通信有限公司 | Display screen backlight brightness control method and system based on mobile terminal |
| WO2018121303A1 (en) * | 2016-12-27 | 2018-07-05 | 惠科股份有限公司 | Liquid crystal display and method for driving same |
| US10755652B2 (en) | 2016-12-27 | 2020-08-25 | HKC Corporation Limited | Liquid crystal display device and driving method thereof |
| CN106658687A (en) * | 2016-12-30 | 2017-05-10 | 深圳市文鼎创数据科技有限公司 | Method and device for optimizing power consumption of battery-powered device |
| CN107180621A (en) * | 2017-07-28 | 2017-09-19 | 广州视源电子科技股份有限公司 | A kind of method, device and display device for adjusting display parameters |
| WO2022006753A1 (en) * | 2020-07-07 | 2022-01-13 | 北京凯视达科技股份有限公司 | Display control device and method for determining light intensity of backlight area |
| CN114170944A (en) * | 2021-12-10 | 2022-03-11 | 昆山国显光电有限公司 | Display device and display brightness adjusting method |
| CN114170944B (en) * | 2021-12-10 | 2024-02-27 | 昆山国显光电有限公司 | Display device and display brightness adjusting method |
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