CN103021348A - Display device and screen backlight control method - Google Patents
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- CN103021348A CN103021348A CN2012105843993A CN201210584399A CN103021348A CN 103021348 A CN103021348 A CN 103021348A CN 2012105843993 A CN2012105843993 A CN 2012105843993A CN 201210584399 A CN201210584399 A CN 201210584399A CN 103021348 A CN103021348 A CN 103021348A
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Abstract
The invention provides a display device and a screen backlight control method. The display device comprises a display screen, a judging unit, and a control unit. The display screen is used for displaying an image composed of frame data. The judging unit is used for judging whether data of a next frame to be displayed is provided with update or not according to the data of a currently displayed frame. When the judgment result from the judging unit confirms the update, the control unit is used for regulating backlight brightness of a display content update area on the display screen and/or backlight brightness of other areas on the display screen. By the display device and the screen backlight control method, the backlight brightness of a corresponding display content update area can be dynamically regulated according to changes of display content, so that backlight brightness control is achieved for local areas, displaying of update content is highlighted and energy conservation is achieved.
Description
Technical field
The present invention relates to the mobile device technical field, in particular to a kind of display device and a kind of screen backlight control method.
Background technology
At present, the display screen that the portable terminals such as mobile phone, panel computer adopt mostly is LCDs, and its display panel and backlight panel are independently, and namely upper surface shows image or literal take pixel as unit, and the bottom backlight panel can illuminate whole display panel.The Integral back luminance brightness can be regulated, but can only control the overall brightness of backlight panel, can not be by Region control.In the situation that the backlight panel overall brightness is higher, backlight power consumption is larger, particularly for the large-size screen monitors terminal, can shorten the cruising time of battery.As for organic light-emitting diode (OLED) display screen (OLED), its display unit is self luminous, can directly control brightness, does not need backlight panel, and the content of demonstration is depended in brightness, can not control voluntarily backlight illumination by display device, is unfavorable for energy-conservation.
Therefore, need a kind of new screen backlight control program, can control according to the variation of displaying contents the brightness of screen backlight, thereby reduce the power consumption of terminal.
Summary of the invention
Consider the above-mentioned background technology, technical matters to be solved by this invention provides a kind of backlight illumination control technology, adjusts the backlight illumination that displaying contents upgrades the zone based on the renewal Data Dynamic of displaying contents, realizes local backlight control.
According to an aspect of the present invention, provide a kind of display device, having comprised: display screen is used for showing the image that is comprised of frame data; Judging unit is used for judging based on current display frame data whether the next frame data that are about to show have renewal; Control module is used in the judged result of described judging unit when renewal is arranged, and the displaying contents on the described display screen is upgraded regional backlight illumination and/or other the regional backlight illuminations on the described display screen are adjusted.
This programme has proposed a kind of intelligent backlight control mode, can automatically be detected by display device the more new data of displaying contents, control respectively the backlight illumination of zones of different, for example this displaying contents of highlighted demonstration upgrades the zone, other zones that low bright demonstration displaying contents does not change, realize the Region control of backlight illumination, and prolonged the flying power of end cell.
In technique scheme, preferably, described display device can also comprise: buffer unit, and the next frame data that are used for the described current display frame data of buffer memory and are about to show, described some frame data comprise described current display frame data and the described next frame data that soon show at least; Described control module is used for the more described frame data of demonstration and the variance data between the current display frame data of being about to, and determines that according to described variance data described displaying contents upgrades the zone.
The processor of buffer memory terminal is transferred to the demonstration data of display screen, whether the next frame data that relatively be about to show (being the next frame data of received current display frame data) just can detect displaying contents with current display frame data and change, if processor not with display data transmissions to buffer memory, illustrate that so displaying contents does not change, can reduce the backlight illumination of screen this moment, realizes energy-conservation purpose.
In technique scheme, preferred, it is more corresponding region and/or described displaying contents more predetermine one the corresponding region on described display screen in new data of new data on described display screen of displaying contents that described displaying contents upgrades the zone.
Under privacy mode, displaying contents more some data in the new data can not be shown, therefore the zone can be upgraded as displaying contents in the corresponding region of object on display screen that displaying contents more is not hidden in the new data, make the regional backlight illumination of its backlight illumination and other different.If displaying contents more new data all is the object that is hidden, can reduce so the more backlight illumination of the corresponding region of new data on display screen of this displaying contents, improve other regional backlight illuminations.
When highlighted demonstration displaying contents upgraded the zone, the corresponding pixel of highlighted display update data only, or predeterminable area that also can highlighted display update data place according to different displaying contents, can be taked different backlight control strategies.
In technique scheme, preferably, described control module also is used for controlling backlight illumination corresponding to described displaying contents renewal zone and is higher than described other regional backlight illuminations, after through the first Preset Time section, described displaying contents is upgraded backlight illumination corresponding to zone be adjusted to the backlight illumination identical with described other zones, and/or after through the second Preset Time section, if described current display frame data do not have renewal, then close the backlight of described display screen.
In order further to reduce the power consumption of terminal, after through the first Preset Time section, the displaying contents that can reduce highlighted demonstration upgrades backlight illumination corresponding to zone; If perhaps after through the second Preset Time section, any variation does not occur in the displaying contents of screen, then closes the backlight of display screen.
In above-mentioned arbitrary technical scheme, preferably, described control module also is used for when described display screen is LCDs, adjust the brightness of upgrading backlight corresponding to zone in the described LCDs with described displaying contents, upgrade backlight illumination corresponding to zone to adjust described displaying contents, and when described display screen is organic light-emitting diode (OLED) display screen, adjust in the described organic light-emitting diode (OLED) display screen and upgrade pixel color corresponding to zone with described displaying contents, upgrade backlight illumination corresponding to zone to adjust described displaying contents.
Because dissimilar its structure of display screen is different, for the display screen with backlight, the brightness in adjustable backlight source, thereby the backlight illumination of control screen, and for the display screen that does not have backlight, the color of capable of regulating pixel self, for example dark colour represents low-light level, light colour represents high brightness, according to the brightness of the variation adjustable backlight of color depth.
According to a further aspect in the invention, also provide a kind of screen backlight control method, having comprised: at the image that shows that screen display is comprised of frame data; Judge based on current display frame data whether the next frame data that are about to show have renewal; When renewal is arranged, the displaying contents on the described display screen is upgraded the backlight illumination in zone and/or other the regional backlight illuminations on the described display screen are adjusted in judged result.
This programme has proposed a kind of intelligent backlight control mode, can automatically detect the more new data of displaying contents, control respectively the backlight illumination of zones of different, for example highlighted demonstration displaying contents upgrades the zone, other zones that low bright demonstration does not change, realize the Region control of backlight illumination, and prolonged the flying power of end cell.
In technique scheme, preferably, the step whether frame data that judgement is about to show upgrade comprises: some frame data that buffer memory is received, described some frame data comprise described current display frame data and the described next frame data that are about to demonstration at least; The more described next frame data of demonstration and the variance data between the described current display frame data of being about to; Determine that according to described variance data described displaying contents upgrades the zone.
The processor of buffer memory terminal is transferred to the demonstration data of display screen, whether the next frame data that relatively be about to show (being the next frame data of received current display frame data) just can detect displaying contents with current display frame data and change, if processor not with display data transmissions to buffer memory, illustrate that so displaying contents does not change, can reduce the backlight illumination of screen this moment, realizes energy-conservation purpose.
In technique scheme, preferred, it is more corresponding region and/or described displaying contents more predetermine one the corresponding region on described display screen in new data of new data on described display screen of displaying contents that described displaying contents upgrades the zone.Under privacy mode, displaying contents more some data in the new data can not be shown, therefore the zone can be upgraded as displaying contents in the corresponding region of object on display screen that displaying contents more is not hidden in the new data, make the regional backlight illumination of its backlight illumination and other different.If displaying contents more new data all is the object that is hidden, can reduce so the more backlight illumination of the corresponding region of new data on display screen of this displaying contents, improve other regional backlight illuminations.
When the corresponding displaying contents of highlighted display update data upgrades the zone, the corresponding pixel of highlighted display update data only, or predeterminable area that also can highlighted display update data place, according to different displaying contents, can take different backlight control strategies.
In technique scheme, preferred, described displaying contents upgrades backlight illumination corresponding to zone and is higher than described other regional backlight illuminations; After through the first Preset Time section, described displaying contents upgrades backlight illumination corresponding to zone and is adjusted to the backlight illumination identical with described other zones; And/or after through the second Preset Time section, if described current display frame data do not have renewal, then close the backlight of screen.
In order further to reduce the power consumption of terminal, after through the first Preset Time section, the displaying contents that can reduce highlighted demonstration upgrades backlight illumination corresponding to zone; If perhaps after through the second Preset Time section, any variation does not occur in the displaying contents of screen, the screen of then closing a terminal backlight.
In above-mentioned arbitrary technical scheme, preferred, when described display screen is LCDs, adjust the brightness of upgrading backlight corresponding to zone in the described LCDs with described displaying contents; When described display screen is organic light-emitting diode (OLED) display screen, adjusts in the described organic light-emitting diode (OLED) display screen and upgrade pixel color corresponding to zone with described displaying contents.
Because dissimilar its structure of display screen is different, for the display screen with backlight, the brightness in adjustable backlight source, thereby the backlight illumination of control screen, and for the display screen that does not have backlight, the color of capable of regulating pixel self, for example dark colour represents low-light level, light colour represents high brightness, according to the brightness of the variation adjustable backlight of color depth.
According to technical scheme of the present invention, providing a kind of can according to the Region control backlight illumination of screen-refresh, for example have the regional luminance that refreshes high by the intelligent backlight control mode of Region control automatically, without the regional low-light level that refreshes.Reduced on the one hand the power consumption of terminal, the battery flying power of extension device; The user can be focused on fast need on the screen content of paying close attention to, such as note, incoming call prompting, video pictures or prompting frame etc. promoted user's experience.
Description of drawings
Fig. 1 shows the according to an embodiment of the invention schematic diagram of display device;
Fig. 2 shows the according to an embodiment of the invention structural representation of display device;
Fig. 3 shows the according to an embodiment of the invention process flow diagram of screen backlight control method;
Fig. 4 A shows according to an embodiment of the invention pixel zone backlight control view;
Fig. 4 B shows according to an embodiment of the invention pixel combination zone backlight control view;
Screen backlight control schematic diagram when Fig. 4 C shows displaying video according to an embodiment of the invention;
Backlight control schematic diagram when Fig. 4 D shows according to an embodiment of the invention caller identification;
Fig. 4 E and Fig. 4 F show the according to an embodiment of the invention backlight control schematic diagram of display scrolling social news.
Embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments the present invention is further described in detail.Need to prove, in the situation that do not conflict, the application's embodiment and the feature among the embodiment can make up mutually.
A lot of details have been set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not subjected to the restriction of following public specific embodiment.
Fig. 1 shows the according to an embodiment of the invention schematic diagram of display device.
As shown in Figure 1, display device 100 according to an embodiment of the invention, comprising: display screen 102 is used for showing the image that is comprised of frame data; Judging unit 104 is used for judging based on current display frame data whether the next frame data that are about to show have renewal; Control module 106, be used in the judged result of described judging unit 104 when renewal is arranged, the backlight illumination in the renewal of the displaying contents on the described display screen 102 zone and/or other the regional backlight illuminations on the described display screen 102 are adjusted, wherein, the regional corresponding backlight illumination of described displaying contents renewal is not identical with described other regional backlight illuminations.
This programme has proposed a kind of intelligent backlight control mode, can automatically detect the more new data of displaying contents, control respectively the backlight illumination of zones of different, for example highlighted demonstration displaying contents upgrades the zone, other zones that low bright demonstration displaying contents does not change, realize the Region control of backlight illumination, and prolonged the flying power of end cell.
In technique scheme, preferably, described display device 100 can also comprise: buffer unit 108, be used for the received some frame data of buffer memory, and described some frame data comprise described current display frame data and the described next frame data that are about to demonstration at least; Described control module 106 is connected to described buffer unit 108, and the more described next frame data of demonstration and the variance data between the current display frame data of being about to shows that according to variance data data determine that described displaying contents upgrades regional.
The processor of buffer memory terminal is transferred to the demonstration data of display screen, whether the next frame data that relatively be about to show (being the next frame data of received current display frame data) just can detect displaying contents with current display frame data and change, if processor not with display data transmissions to buffer memory, illustrate that so displaying contents does not change, can reduce the backlight illumination of screen this moment, realizes energy-conservation purpose.
In technique scheme, preferred, it is more corresponding region and/or described displaying contents more predetermine one the corresponding region on described display screen in new data of new data on described display screen of displaying contents that described displaying contents upgrades the zone.
Under privacy mode, displaying contents more some data in the new data can not be shown, therefore the zone can be upgraded as displaying contents in the corresponding region of object on display screen that displaying contents more is not hidden in the new data, make the regional backlight illumination of its backlight illumination and other different.If displaying contents more new data all is the object that is hidden, can reduce so the more backlight illumination of the corresponding region of new data on display screen of this displaying contents, improve other regional backlight illuminations.
When the corresponding displaying contents of highlighted display update data upgrades the zone, the corresponding pixel of highlighted display update data only, or predeterminable area that also can highlighted display update data place, according to different displaying contents, can take different backlight control strategies.
In technique scheme, preferably, described control module 106 also is used for controlling backlight illumination corresponding to described displaying contents renewal zone and is higher than described other regional backlight illuminations, after through the first Preset Time section, described displaying contents is upgraded backlight illumination corresponding to zone be adjusted to the backlight illumination identical with described other zones, and/or after through the second Preset Time section, if described current display frame data do not have renewal, then close the backlight of described display screen.
In order further to reduce the power consumption of terminal, after through the first Preset Time section, the displaying contents that can reduce highlighted demonstration upgrades backlight illumination corresponding to zone; If perhaps after through the second Preset Time section, any variation does not occur in the displaying contents of screen, then closes the backlight of display screen.
In above-mentioned arbitrary technical scheme, preferably, described control module 106 also is used for when described display screen 102 is LCDs, adjust the brightness of upgrading backlight corresponding to zone in the described LCDs with described displaying contents, upgrade backlight illumination corresponding to zone to adjust described displaying contents, and when described display screen 102 is organic light-emitting diode (OLED) display screen, adjust in the described organic light-emitting diode (OLED) display screen and upgrade pixel color corresponding to zone with described displaying contents, upgrade backlight illumination corresponding to zone to adjust described displaying contents.
Because dissimilar its structure of display screen is different, for the display screen with backlight, the brightness in adjustable backlight source, thereby the backlight illumination of control screen, and for the display screen that does not have backlight, the color of capable of regulating pixel self, for example dark colour represents low-light level, light colour represents high brightness, according to the brightness of the variation adjustable backlight of color depth.
Fig. 2 shows the according to an embodiment of the invention structural representation of display device.
As shown in Figure 2, in the present embodiment, display screen 106 in the above-mentioned display device 100 can comprise display panel 110, backlight panel 118, a plurality of luminescence units (being backlight) are arranged on the backlight panel 118, can control separately brightness, on the corresponding region that its backlight projects display panel 110, the regional non-overlapping copies of each luminescence unit projection, and the zone of all luminescence units projections can just cover whole display panel 110.
For example shown in Figure 2, it is new data more that control module 106 analyzes " C " and " H ", it is respectively that displaying contents upgrades zone 112 and displaying contents upgrades zone 116 that corresponding displaying contents upgrades the zone, so displaying contents is upgraded zone 112 and displaying contents and upgrade the brightness adjustment of backlight of regional 116 correspondences to highlighted value, the extremely low bright value of brightness adjustment that other displaying contents upgrade the backlight of regional 114 correspondences has realized local backlight control.
Fig. 3 shows the according to an embodiment of the invention process flow diagram of screen backlight control method.
As shown in Figure 3, screen backlight control method according to an embodiment of the invention can may further comprise the steps:
Wherein, backlight illumination corresponding to described displaying contents renewal zone can be not identical with described other regional backlight illuminations.
This programme has proposed a kind of intelligent backlight control mode, can automatically detect the more new data of displaying contents, control respectively the backlight illumination of zones of different, for example highlighted demonstration displaying contents upgrades the zone, aobvious other zones that low bright demonstration displaying contents does not change, realize the Region control of backlight illumination, and prolonged the flying power of end cell.
In technique scheme, preferably, the step whether frame data that judgement is about to show upgrade comprises: some frame data that buffer memory is received, described some frame data comprise described current display frame data and the described next frame data that are about to demonstration at least; The more described next frame data of demonstration and the variance data between the current display frame data of being about to; Determine that according to described variance data described displaying contents upgrades the zone.
The processor of buffer memory terminal is transferred to the demonstration data of display screen, whether the next frame data that relatively soon show and current display frame data just can detect displaying contents and change, if processor not with display data transmissions to buffer memory, illustrate that so displaying contents does not change, can reduce the backlight illumination of screen this moment, realizes energy-conservation purpose.
In technique scheme, preferred, it is more corresponding region and/or described displaying contents more predetermine one the corresponding region on described display screen in new data of new data on described display screen of displaying contents that described displaying contents upgrades the zone.Under privacy mode, displaying contents more some data in the new data can not be shown, therefore the zone can be upgraded as displaying contents in the corresponding region of object on display screen that displaying contents more is not hidden in the new data, make the regional backlight illumination of its backlight illumination and other different.If displaying contents more new data all is the object that is hidden, can reduce so the more backlight illumination of the corresponding region of new data on display screen of this displaying contents, improve other regional backlight illuminations.
When the corresponding displaying contents of highlighted display update data upgrades the zone, the corresponding pixel of highlighted display update data only, or predeterminable area that also can highlighted display update data place, according to different displaying contents, can take different backlight control strategies.
In technique scheme, preferred, described displaying contents upgrades backlight illumination corresponding to zone and is higher than described other regional backlight illuminations; After through the first Preset Time section, described displaying contents upgrades backlight illumination corresponding to zone and is adjusted to the backlight illumination identical with described other zones; And/or after through the second Preset Time section, if described current display frame data do not have renewal, then close the backlight of screen.
In order further to reduce the power consumption of terminal, after through the first Preset Time section, the displaying contents that can reduce highlighted demonstration upgrades backlight illumination corresponding to zone; If perhaps after through the second Preset Time section, any variation does not occur in the displaying contents of screen, then closes the backlight of screen.
In above-mentioned arbitrary technical scheme, preferred, when display screen is LCDs, adjust the brightness of upgrading backlight corresponding to zone in the described LCDs with described displaying contents, upgrade backlight illumination corresponding to zone to adjust described displaying contents; When described display screen is organic light-emitting diode (OLED) display screen, adjust in the described organic light-emitting diode (OLED) display screen and upgrade pixel color corresponding to zone with described displaying contents, upgrade backlight illumination corresponding to zone to adjust described displaying contents.
Because dissimilar its structure of display screen is different, for the display screen with backlight, the brightness in adjustable backlight source, thereby the backlight illumination of control screen, and for the display screen that does not have backlight, the color of capable of regulating pixel self, for example dark colour represents low-light level, light colour represents high brightness, according to the brightness of the variation adjustable backlight of color depth.
Illustrate according to backlight control strategy of the present invention below in conjunction with Fig. 4 A and 4B.
Shown in Fig. 4 A, the zone of refreshing is arranged on the screen, can be that each has the pixel that refreshes, for example the displaying contents among Fig. 4 A upgrades zone 400; Also can be one has the minimum rectangle that refreshes pixel near comprising, and upgrades zone 400 such as the displaying contents among Fig. 4 B.This displaying contents upgrades zone 400, refer to comprise one group of phase mutual edge distance refreshes the combination of pixels place with interior having at (△ x, △ y) zone, surpass other pixels of this distance by same principle otherwise combined, △ x wherein, the numerical value of △ y can be dynamically arranged by the user.
Because the pixel that every two field picture upgrades may be few, watch complete image in order not affect the user, the displaying contents that can enlarge highlighted demonstration upgrades the zone, i.e. backlight control strategy shown in Fig. 4 B, the interior displaying contents of certain limit that will refresh the pixel place upgrades the zone as the displaying contents renewal zone of highlighted demonstration, thereby can complete demonstration image.For example display screen is current is just showing a head portrait, although only have the image of eyes part and face part to change, can see complete head portrait in order to make the user, and controlling backlight illumination corresponding to whole head portrait zone is high brightness.
The brightness of supposing displaying contents renewal zone 400 among Fig. 4 B is H, after through after a while (△ t1), the brightness meeting returns to low brightness values L, the mode that returns to L can be direct saltus step, it also can be gradual change, variation pattern can be set by the user, and release time, △ t1 also can be by user's dynamic setting.After through after a while (△ t2), if any variation does not occur the displaying contents of screen, then close the whole backlight of screen, this time △ t2 also can be by user's dynamic setting.
The below referring to Fig. 4 C take the user watch video as example illustrates method for controlling backlight thereof of the present invention.
Terminal enters the video player interface, detecting video pictures is constantly updating, therefore, the backlight illumination of video content zone 408 correspondences is adjusted to higher brightness, progress bar 410 is also slowly mobile simultaneously, therefore, also the backlight illumination with these scroll bar 410 correspondences is adjusted to higher brightness, certainly also can be lower than the backlight illumination in video content zone 408.Because upgrading the displaying contents of regional for example action button 412 and character area 406, other displaying contents do not change, therefore these displaying contents are upgraded backlight illumination corresponding to zone and be adjusted to low-light level, so not only can make the user focus on video pictures, avoid other displaying contents to the interference of video pictures, also can reach energy-conservation purpose, prolong the flying power of battery.
The below referring to Fig. 4 D take receive call-in reporting as example illustrates method for controlling backlight thereof of the present invention.
If terminal was in holding state before receiving incoming call, when receiving incoming call, because variation has occured in screen display content, therefore, the displaying contents of little fat contact person's incoming call head portrait 414 correspondences is upgraded the zone carry out highlighted demonstration, and highlighted this contact person's of demonstration title and corresponding action button: answer, hang up button 416, low other displaying contents of bright demonstration upgrade the zone.Like this, the user can gather incoming call head portrait, contact name and action button fast, when having promoted user's experience, has also reduced the power consumption of terminal.
Please refer to Fig. 4 E and Fig. 4 F, illustrate according to the further application of the invention scene.
Shown in Fig. 4 E, the current display scrolling social news of terminal, the user is when consulting news, the news of having read will down be turned over, thereby new news messages occurs, and Fig. 4 E shows current front displaying contents, along with news is down rolled, emerging displaying contents is that displaying contents upgrades the position shown in the zone 400, can focus on update content for making the user, can turn down or improve simultaneously the backlight illumination in displaying contents renewal zone by the backlight illumination that other are regional.
Shown in Fig. 4 F, along with the rolling of news, the information that originally belonged to the display update content has become the content that does not change, and emerging news becomes new display update content, upgrades zone 400 such as the displaying contents among the figure.Former displaying contents " spokesman of the Ministry of Railways confirms ... " the backlight illumination of the corresponding region on display screen has been transferred to low-light level, and emerging news " premier salutes masses suffering from disaster ... " the backlight illumination of the corresponding region on display screen is raised, because the news general user who had been read can not browse again again, therefore just can turn down the backlight illumination in these displaying contents zones, and the content that newly increases of highlighted demonstration only, not only can make the user notice update content, can also save the backlight power consumption of terminal.
More than be described with reference to the accompanying drawings according to technical scheme of the present invention, provide a kind of can be by the independent intelligent backlight control mode of control in zone, automatically according to the Region control backlight illumination of screen-refresh, for example there is the regional luminance that refreshes high, low without the regional luminance that refreshes.Reduced on the one hand the power consumption of terminal, the battery flying power of extension device; The user can be focused on fast need on the screen content of paying close attention to, such as note, incoming call prompting, video pictures or prompting frame etc. promoted user's experience.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a display device is characterized in that, comprising:
Display screen is used for showing the image that is comprised of frame data;
Judging unit is used for judging based on current display frame data whether the next frame data that are about to show have renewal;
Control module is used in the judged result of described judging unit when renewal is arranged, and the displaying contents on the described display screen is upgraded regional backlight illumination and/or other the regional backlight illuminations on the described display screen are adjusted.
2. display device according to claim 1, it is characterized in that, described display device also comprises: buffer unit, be used for the received some frame data of buffer memory, and described some frame data comprise described current display frame data and the described next frame data that are about to demonstration at least;
Described control module is used for the more described next frame data of demonstration and the variance data between the current display frame data of being about to, and determines that according to described variance data described displaying contents upgrades the zone.
3. display device according to claim 1, it is characterized in that, it is more corresponding region and/or described displaying contents more predetermine one the corresponding region on described display screen in new data of new data on described display screen of displaying contents that described displaying contents upgrades the zone.
4. display device according to claim 1, it is characterized in that, described control module also is used for controlling backlight illumination corresponding to described displaying contents renewal zone and is higher than described other regional backlight illuminations, after through the first Preset Time section, described displaying contents is upgraded backlight illumination corresponding to zone be adjusted to the backlight illumination identical with described other zones, and/or after through the second Preset Time section, if described current display frame data do not have renewal, then close the backlight of described display screen.
5. each described display device in 4 according to claim 1, it is characterized in that, described control module also is used for when described display screen is LCDs, adjust the brightness of upgrading backlight corresponding to zone in the described LCDs with described displaying contents, and when described display screen is organic light-emitting diode (OLED) display screen, adjusts in the described organic light-emitting diode (OLED) display screen and upgrade pixel color corresponding to zone with described displaying contents.
6. a screen backlight control method is characterized in that, comprising:
At the image that shows that screen display is comprised of frame data;
Judge based on current display frame data whether the next frame data that are about to show have renewal;
When renewal is arranged, the displaying contents on the described display screen is upgraded the backlight illumination in zone and/or other the regional backlight illuminations on the described display screen are adjusted in judged result.
7. screen backlight control method according to claim 6 is characterized in that, judges whether the described frame data that are about to show have the step of renewal to comprise:
Some frame data that buffer memory is received, described some frame data comprise described current display frame data and the described next frame data that are about to demonstration at least;
The more described next frame data of demonstration and the variance data between the described current display frame data of being about to;
Determine that according to described variance data described displaying contents upgrades the zone.
8. screen backlight control method according to claim 6, it is characterized in that, it is more corresponding region and/or described displaying contents more predetermine one the corresponding region on described display screen in new data of new data on described display screen of displaying contents that described displaying contents upgrades the zone.
9. screen backlight control method according to claim 6 is characterized in that, described displaying contents upgrades backlight illumination corresponding to zone and is higher than described other regional backlight illuminations;
After through the first Preset Time section, described displaying contents upgrades backlight illumination corresponding to zone and is adjusted to the backlight illumination identical with described other zones; And/or
After through the second Preset Time section, if current display frame data are upgraded, then close the backlight of screen.
10. each described screen backlight control method in 9 according to claim 6 is characterized in that, when described display screen is LCDs, adjusts the brightness of upgrading backlight corresponding to zone in the described LCDs with described displaying contents;
When described display screen is organic light-emitting diode (OLED) display screen, adjusts in the described organic light-emitting diode (OLED) display screen and upgrade pixel color corresponding to zone with described displaying contents.
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| CN103488274A (en) * | 2013-09-30 | 2014-01-01 | 宇龙计算机通信科技(深圳)有限公司 | Power saving reminding method for unhandled events and intelligent terminal |
| CN103491611A (en) * | 2013-09-05 | 2014-01-01 | 华南理工大学 | Method for reducing power consumption of mobile terminal based on network interaction |
| CN103685754A (en) * | 2013-12-16 | 2014-03-26 | 上海斐讯数据通信技术有限公司 | Mobile terminal backlight adjusting method and mobile terminal |
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| CN104318905A (en) * | 2014-09-19 | 2015-01-28 | 小米科技有限责任公司 | Method and device for adjusting screen backlight |
| CN104991722A (en) * | 2015-07-06 | 2015-10-21 | 天脉聚源(北京)传媒科技有限公司 | Cursor display method and apparatus |
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| CN105549927A (en) * | 2015-12-01 | 2016-05-04 | 魅族科技（中国）有限公司 | Display method and terminal |
| CN105549927B (en) * | 2015-12-01 | 2019-03-08 | 魅族科技（中国）有限公司 | A kind of display methods and terminal |
| WO2017113619A1 (en) * | 2015-12-30 | 2017-07-06 | 深圳Tcl数字技术有限公司 | Method and apparatus for adjusting brightness of display interface |
| WO2018141145A1 (en) * | 2017-02-04 | 2018-08-09 | 华为技术有限公司 | Backlight driving method and device therefor |
| CN107068069A (en) * | 2017-03-29 | 2017-08-18 | 奥英光电（苏州）有限公司 | Display device and backlight module driving method |
| CN107068069B (en) * | 2017-03-29 | 2023-09-05 | 奥英光电（苏州）有限公司 | Display device and backlight module driving method |
| CN107465811B (en) * | 2017-07-12 | 2020-09-04 | Oppo广东移动通信有限公司 | Method for reducing temperature rise, computer readable storage medium and electronic equipment |
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| CN108174029A (en) * | 2017-12-26 | 2018-06-15 | 上海展扬通信技术有限公司 | Screen luminance adjustment method, device, terminal and storage medium |
| CN108346399A (en) * | 2018-04-17 | 2018-07-31 | 京东方科技集团股份有限公司 | A kind of display brightness adjusts module and adjusting method, display device |
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| US10971060B2 (en) | 2018-04-17 | 2021-04-06 | Boe Technology Group Co., Ltd. | Method of adjusting display brightness, light-emission control circuit and display device |
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| CN109859679A (en) * | 2018-12-14 | 2019-06-07 | 青岛海信医疗设备股份有限公司 | Medical display device and medical image display method |
| CN110619855A (en) * | 2019-09-30 | 2019-12-27 | 京东方科技集团股份有限公司 | Display device and driving method thereof |
| CN110609390A (en) * | 2019-10-18 | 2019-12-24 | 大陆汽车车身电子系统（芜湖）有限公司 | Backlight brightness adjusting method for head-up display |
| CN112767884A (en) * | 2019-11-05 | 2021-05-07 | 宏碁股份有限公司 | Display device and operation method thereof |
| CN112839253A (en) * | 2019-11-25 | 2021-05-25 | 英业达科技有限公司 | Dynamic information display system and method thereof |
| CN113257197A (en) * | 2020-05-20 | 2021-08-13 | 友达光电股份有限公司 | Operation method of display device |
| CN112672214A (en) * | 2020-12-25 | 2021-04-16 | 深圳Tcl数字技术有限公司 | Screen-off control method and device, screen-off control equipment and storage medium |
| TWI822341B (en) * | 2021-12-28 | 2023-11-11 | 南韓商Ｌｇ顯示器股份有限公司 | Display device |
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