CN102231255A - Energy-saving display, electronic device and energy-saving displaying method - Google Patents
Energy-saving display, electronic device and energy-saving displaying method Download PDFInfo
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- CN102231255A CN102231255A CN2011101715987A CN201110171598A CN102231255A CN 102231255 A CN102231255 A CN 102231255A CN 2011101715987 A CN2011101715987 A CN 2011101715987A CN 201110171598 A CN201110171598 A CN 201110171598A CN 102231255 A CN102231255 A CN 102231255A
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Abstract
The invention provides an energy-saving display and an electric device. The energy-saving display comprises a first display screen, an eye sight detection unit, a first data processing unit and a first display control unit, wherein the first display screen is used for displaying output information; the eye sight detection unit is used for intercepting image information of eye sights and calculating parameters of the eye sights in the image information by a preset algorithm; the first data processing unit is used for calculating a first coordinate of the eye sights in a first area and a second coordinate of the eye sights in a second area in the first display screen at present in accordance with the parameters of the eye sights, wherein the first coordinate and the second coordinate are taken as display control parameters; and the first display control unit is used for generating electric energy-saving signals so as to control the power consumption of the first display screen. According to the embodiment of the invention, a user selects a proper energy-saving way and utilizes an eye sight diction technology sufficiently, so that the display can realize adaptive energy conservation, thus the energy-saving purpose is reached and the experiences of the user for the display are not influenced.
Description
Technical field
The present invention relates to the electronic equipment power-saving technology, particularly dactylus energy display, electronic equipment and energy-conservation display packing.
Background technology
Display unit is the important power consumption unit of electronic equipments such as portable electric appts, intelligent handheld device, and its power consumption accounts for half of whole electric equipment total power consumption greatly.And the power consumption of display unit and display color, resolution, display area etc. are in close relations, and in liquid crystal display, the power consumption of backlight also is one of more parts of its power consumption.If can reduce the power consumption of display, then can greatly improve the flying power of portable set, save electric energy.
The purpose of display is to show to need content, is the main window and the means of man-machine interaction.Eyes are main paties that the user obtains information.In the prior art, there is a kind of head mounted display, obtains the user and wish the image-region that shows one of display image A little image-region B to be shown on the wear-type miniscope by following the tracks of people's an eye line.Also have a kind of image display device, follow the tracks of the human eye direction of visual lines, differentiate the direction that display window moves, and will be that the area image at center is shown to display window with people's an eye line.
The inventor is in realizing process of the present invention, find that there are the following problems at least in the prior art: owing to prior art does not design for energy-conservation purpose, therefore realize with high costs, can't large-scale application in common electronic equipment, and can not really realize energy-conservation.
Summary of the invention
The purpose of this invention is to provide a kind of energy-efficient display and electronic equipment, be used for solving prior art, the sight-line detection technology of using on display can not really realize adaptive power conservation, and influences the defective of user experience in the energy-conservation process.
A kind of energy-efficient display comprises: first display screen is used to show the information of output; Human eye line-of-sight detection unit is used to intercept the image information of people's an eye line, calculates human eye sight line parameter according to presetting algorithm from described image information; First data processing unit is used for according to described people's an eye line parameter, and second coordinate of first coordinate, second area that calculates the current first area at described first display screen of described people's an eye line is as showing controlled variable; First indicative control unit, be used for according to described demonstration controlled variable, generate energy-conservation electric signal to control the power consumption of described first display screen, make the first area that is covered by described people's an eye line of described first display screen present different power consumption states with the second area that is not covered by described people's an eye line.
A kind of electronic equipment with energy-efficient display have the display of first display screen, and described display comprises: first display screen is used to show the information of output; Human eye line-of-sight detection unit is used to intercept the image information of people's an eye line, calculates human eye sight line parameter according to presetting algorithm from described image information; First data processing unit is used for according to described people's an eye line parameter, and second coordinate of first coordinate, second area that calculates the current first area at described first display screen of described people's an eye line is as described demonstration controlled variable; First indicative control unit, be used for according to described demonstration controlled variable, generate energy-conservation electric signal to control the power consumption of described first display screen, make the first area that is covered by described people's an eye line of described first display screen present different power consumption states with the second area that is not covered by described people's an eye line; Described electronic equipment also comprises: energy-conservation adjustment unit is used for starting or closing described human eye line-of-sight detection unit.
A kind of energy-efficient display comprises: second display screen is used to show the information of output; Backlight is used to illuminate described second display screen; Human eye line-of-sight detection unit is used to intercept the image information of people's an eye line, calculates human eye sight line parameter according to presetting algorithm from described image information; Second data processing unit is used for according to described people's an eye line parameter, calculates described people's an eye line and drops on the interior concrete situation of the described second display screen scope, and generate corresponding demonstration controlled variable; Second indicative control unit is used for sending to described backlight according to the energy-conservation electric signal of described demonstration controlled variable generation reducing power consumption/recovery power consumption.
A kind of electronic equipment with energy-efficient display have the display of second display screen, and described display comprises: second display screen is used to show the information of output; Backlight is used to illuminate described second display screen; Human eye line-of-sight detection unit is used to intercept the image information of people's an eye line, calculates human eye sight line parameter according to presetting algorithm from described image information; Second data processing unit is used for according to described people's an eye line parameter, calculates described people's an eye line and drops on the interior concrete situation of the described second display screen scope, and generate corresponding demonstration controlled variable; Second indicative control unit is used for sending to described backlight according to the energy-conservation electric signal of described demonstration controlled variable generation reducing power consumption/recovery power consumption; Described electronic equipment also comprises: energy-conservation adjustment unit is used for starting or closing described human eye line-of-sight detection unit.
Embodiments of the invention have the following effect of having a mind to, and select suitable own power save mode by the user, make full use of the human eye sight-line detection technology, make both to have reached purpose of energy saving by display realization adaptive power conservation, do not influence the experience that the user uses display again.
Description of drawings
Fig. 1 is an embodiment of the invention energy-efficient display structural representation;
Fig. 2 carries the electronic equipment schematic appearance of first display screen for the embodiment of the invention;
Fig. 3 is an embodiment of the invention organic illuminated display structure synoptic diagram;
Fig. 4 is an embodiment of the invention cold-cathode fluorescence lamp display device structure synoptic diagram.
Embodiment
For making purpose of the present invention, technical characterictic and implementation result clearer, below in conjunction with the accompanying drawings and the specific embodiments technical scheme of the present invention is described in detail.Display is the main window and the means of man-machine interaction, and purposes is displaying contents; And the main path of user's eyes to be users obtain information, this motion utilizes the human eye sight-line detection technology, realizes energy-conservation on the indicator screen of separated regions control.
As shown in Figure 1, display specifically comprises:
Human eye line-of-sight detection unit 101 is used to obtain the image of people's an eye line and converts the transmission of people's an eye line parameter to.
Because human eye direction of visual lines detection technique is a newer existing detection technique, in the present patent application, can select based on the human eye sight-line detection technology of graphical analysis or based on the admire human eye direction of visual lines detection technique etc. of spot of pul.If human eye line-of-sight detection unit 101 is the human eye sight-line detection technology that adopt based on graphical analysis, then this human eye line-of-sight detection unit 101 collects after the eye image, described eye image is analyzed, obtain the iris of human eye, perhaps the current direction that faces toward of pupil is determined the concrete parameter of people's an eye line with this.Further, eye tracking also is divided into human brain fixed form and human brain move mode at random, and therefore the former owing to can obtain higher tracking accuracy to people's an eye line Continuous Tracking, as spending less than 0.1; The latter also can reach the tracking accuracy of 5mm now.
Energy-conservation adjustment unit 105 is used for the standard according to manufacturer, and to the described custom parameter that leaves in advance wherein, and some other parameter is adjusted; Can also be used for starting or closing energy-conservation function according to user's needs.
As shown in Figure 2, display adopts and initiatively shows organic light emitting display curtain (OLED, Organic Light Emitting Display), by detecting the sight line of human eye, definite demonstration is watched the zone attentively and is called the first area, and the zone except that watching the zone attentively is non-ly to watch the zone attentively and be called second area, then, display control circuit control OLED normally shows watching the zone attentively, non-ly watches the zone attentively and carries out low-power consumption and show and control.Wherein, the normal zone of watching attentively that shows can be high brightness, high color, high resolving power, non-to watch the zone attentively can be low-light level, low color, low resolution and low-power consumption shows, and watch the zone attentively and further can have transition brightness, color, resolution and show with non-watching the zone attentively.
As shown in Figure 3, display screen 106 concrete identical with the organic light emitting display curtain or the similar display screens of principle of work that adopt are as first display screen 1061.Then described data processing unit 102, indicative control unit 103 are specially respectively:
First data processing unit 1021 is used for determining first coordinate of first area and second coordinate of second area according to the people's an eye line parameter from human eye line-of-sight detection unit 101; Described first coordinate and second coordinate are exported as the demonstration controlled variable.Wherein,
The first area is to watch the zone attentively, be meant the user by eyes when first display screen 1061 reads information, generally within a period of time, only pay close attention to the very little part zone of display screen, this subregion then is called as watches the zone attentively;
Second area is the non-zone of watching attentively, is meant to be positioned at the described zone of watching attentively outside the zone on first display screen 1061.
Amending unit 1023 is used for increasing the first area area adaptively, not influence user experience when detecting people's an eye line pace of change when very fast; Specifically revise in the conversion of the translational speed of vertical direction or horizontal direction according to people's an eye line.Can also be according to the custom parameter that leaves in advance wherein, first coordinate of the first area of having calculated is revised; This custom parameter empirical value that to be manufacturer provide according to the result of sample survey.
First indicative control unit 1031 is according to showing controlled variable, control described first area and carry out high brightness, high color, high resolving power demonstration, and the control second area carries out low-light level, low color, low resolution demonstration, realize that by following experimental process module first indicative control unit 1031 specifically comprises:
With display provided by the invention accordingly, a kind of electronic equipment with energy-efficient display also is provided, have the display of first display screen 1061, and described display comprises:
Human eye line-of-sight detection unit 101 is used to intercept the image information of people's an eye line, calculates human eye sight line parameter according to presetting algorithm from described image information;
First data processing unit 1021 is used for according to described people's an eye line parameter, and second coordinate of first coordinate, second area that calculates the current first area at described first display screen 1061 of described people's an eye line is as described demonstration controlled variable;
First indicative control unit 1031, be used for according to described demonstration controlled variable, generate energy-conservation electric signal to control the power consumption of described first display screen 1061, make the first area that is covered by described people's an eye line of described first display screen 1061 present different power consumption states with the second area that is not covered by described people's an eye line.
First indicative control unit 1031 is according to showing controlled variable, control described first area and carry out high brightness, high color, high resolving power demonstration, and the control second area carries out low-light level, low color, low resolution demonstration, realize that by following experimental process module first indicative control unit 1031 specifically comprises:
Electronic equipment can also comprise:
Energy-conservation adjustment unit 105 is used for starting or closing described human eye line-of-sight detection unit 101.
Amending unit 1023 is used for the pace of change according to described people's an eye line parameter, increases or reduce the area of described first area.
Because the continuous development of display technology, the type of display that can select is varied, also can select second display screen 1062 dissimilar in an embodiment with first display screen 1061, as shown in Figure 4, second display screen 1062 in the display is the cold-cathode fluorescence lamp display screens that adopt CCFL display panels backlight.
Second display screen 1062, current general general LCD Panel also can be the cold-cathode fluorescence lamp display screen by address, adopts the display panel of CCFL type, cannot control the subregion, is used for displays image information.And built-in:
Backlight 201 is used for luminous whole described second display screen 1062 that illuminates, and is the main power consumption unit of display.In the prior art, be the brightness of controlling backlight 201 by the light and shade in the menu of adjusting the display below, this is complex operation for the user.
Human eye line-of-sight detection unit 101 is used to obtain the image of people's an eye line and converts the transmission of people's an eye line parameter to.
If determine people's an eye line not within described second display screen 1062, export a specific numerical value this moment as showing controlled variable, for example NULL according to described people's an eye line parameter.
Second indicative control unit 202 is used for sending to described backlight 201 according to the energy-conservation electric signal of described demonstration controlled variable generation reducing power consumption/recovery power consumption.And can also comprise:
Time accumulated unit 104, be built in second indicative control unit 202 of indicative control unit 103, be connected with described second data processing unit 1022, when the described demonstration controlled variable of receiving represents that described people's an eye line does not drop in described second display screen, 1062 scopes, the beginning gate time at interval, surpass the threshold value that sets in advance when the described time interval, then export the described energy-conservation electric signal of reducing power consumption.
Regulon 203 backlight is connected with described time accumulated unit 104, is used to export described energy-conservation electric signal, serves as dark with the brightness of controlling backlight 201, perhaps turn-offs display power supply.
With display provided by the invention accordingly, a kind of electronic equipment with energy-efficient display also is provided, have the display of second display screen 1062, and described display comprises:
Second display screen 1062, the panel of employing are CCFL display panels backlight, are exactly the CCFL type as the current LCD Panel of generally using, cannot subregion control, be used for displays image information.And built-in:
Backlight 201 is used for luminous whole described second display screen 1062 that illuminates, and is the main power consumption unit of display.In the prior art, be the brightness of controlling backlight 201 by the light and shade in the menu of adjusting the display below, this is complex operation for the user.
Human eye line-of-sight detection unit 101 is used to obtain the image of people's an eye line and converts the transmission of people's an eye line parameter to.
If determine people's an eye line not within described second display screen 1062, export a specific numerical value this moment as showing controlled variable, for example NULL according to described people's an eye line parameter.
Second indicative control unit 202 is used for sending to described backlight 201 according to the energy-conservation electric signal of described demonstration controlled variable generation reducing power consumption/recovery power consumption.And can also comprise:
Time accumulated unit 104, be built in second indicative control unit 202 of indicative control unit 103, be connected with described second data processing unit 1022, when the demonstration control parameter list of receiving is leted others have a look at an eye line when not dropping in described second display screen, 1062 scopes, the beginning gate time at interval, surpass the threshold value that sets in advance when the described time interval, then export the described energy-conservation electric signal of reducing power consumption.And,
Regulon 203 backlight is connected with described time accumulated unit 104, is used to export energy-conservation electric signal, serves as dark with the brightness of controlling backlight 201, perhaps turn-offs display power supply.
Energy-conservation adjustment unit 105 is used for the operation according to the user, starts or closes human eye line-of-sight detection unit 101.
Embodiments of the invention have the following effect of having a mind to, and select suitable own power save mode by the user, make full use of the human eye sight-line detection technology, make both to have satisfied purpose of energy saving by display realization adaptive power conservation, do not influence the experience that the user uses display again.
Should be noted that above embodiment is only unrestricted in order to technical scheme of the present invention to be described, all parameter values can be according to the actual conditions adjustment, and in this rights protection scope.Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the spiritual scope of technical solution of the present invention, and it all should be encompassed in the middle of the claim scope of the present invention.
Claims (5)
1. an energy-efficient display is characterized in that, comprising:
Second display screen is used to show the information of output;
Backlight is used to illuminate described second display screen;
Human eye line-of-sight detection unit is used to intercept the image information of people's an eye line, calculates human eye sight line parameter according to presetting algorithm from described image information;
Second data processing unit is used for according to described people's an eye line parameter, calculates described people's an eye line and drops on the interior concrete situation of the described second display screen scope, and generate corresponding demonstration controlled variable;
Second indicative control unit is used for sending to described backlight according to the energy-conservation electric signal of described demonstration controlled variable generation reducing power consumption/recovery power consumption.
2. energy-efficient display according to claim 1 is characterized in that, described second indicative control unit also comprises:
The time accumulated unit, be connected with described second data processing unit, when the described demonstration controlled variable of receiving represents that described people's an eye line does not drop in the described second display screen scope, the beginning gate time at interval, surpass the threshold value that sets in advance when the described time interval, then export the described energy-conservation electric signal of reducing power consumption.
3. the electronic equipment with energy-efficient display is characterized in that, has the display of second display screen, and described display comprises:
Second display screen is used to show the information of output;
Backlight is used to illuminate described second display screen;
Human eye line-of-sight detection unit is used to intercept the image information of people's an eye line, calculates human eye sight line parameter according to presetting algorithm from described image information;
Second data processing unit is used for according to described people's an eye line parameter, calculates described people's an eye line and drops on the interior concrete situation of the described second display screen scope, and generate corresponding demonstration controlled variable;
Second indicative control unit is used for sending to described backlight according to the energy-conservation electric signal of described demonstration controlled variable generation reducing power consumption/recovery power consumption;
Described electronic equipment also comprises:
Energy-conservation adjustment unit is used for starting or closing described human eye line-of-sight detection unit.
4. electronic equipment according to claim 3 is characterized in that, described second indicative control unit also comprises:
The time accumulated unit, be connected with described second data processing unit, when the described demonstration controlled variable of receiving represented that described people's an eye line does not drop in the described second display screen scope, the beginning gate time at interval, surpass the threshold value that sets in advance when the described time interval, the output trigger pip;
Regulon backlight is connected with described time accumulated unit, is used for exporting described energy-conservation electric signal according to described trigger pip, and serve as dark with the brightness of controlling backlight, perhaps turn-off display power supply.
5. the energy-conservation display packing of an energy-efficient display is characterized in that,
Described energy-efficient display possesses:
Second display screen is used to show the information of output; And
Backlight is used to illuminate described second display screen;
Described energy-conservation display packing possesses:
Human eye line-of-sight detection step, the image information of intercepting people an eye line calculates human eye sight line parameter according to presetting algorithm from described image information;
Second data processing step according to described people's an eye line parameter, calculates described people's an eye line and drops on the interior concrete situation of the described second display screen scope, and generate corresponding demonstration controlled variable;
Second shows controlled step, and the energy-conservation electric signal that generates reducing power consumption/recovery power consumption according to described demonstration controlled variable sends to described backlight.
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Also Published As
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| CN101676982A (en) | 2010-03-24 |
| CN102231255B (en) | 2015-09-23 |
| CN101676982B (en) | 2012-08-22 |
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