CN104332139B - A kind of display device, electric terminal and method for controlling backlight thereof - Google Patents
A kind of display device, electric terminal and method for controlling backlight thereof Download PDFInfo
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- CN104332139B CN104332139B CN201310306949.XA CN201310306949A CN104332139B CN 104332139 B CN104332139 B CN 104332139B CN 201310306949 A CN201310306949 A CN 201310306949A CN 104332139 B CN104332139 B CN 104332139B
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- led backlight
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- backlight group
- display panel
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000013507 mapping Methods 0.000 claims description 16
- 230000009977 dual effect Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention discloses a kind of display device, electric terminal and method for controlling backlight thereof, it is related to electric terminal technical field, pass through the drive circuit for LED backlight packet configuration independence, so that electric terminal can be with the working condition of each LED backlight group of independent control, and then according to the display needs of each application program, the LED backlight group for providing backlight for this region is allowed to light needing the region of display content, so as to reduce the quantity of the LED of needs while work, and then reduce the power supply consumption of display screen, extend the usage time of battery.
Description
Technical field
The present invention relates to electric terminal technical field, more particularly to a kind of display device, electric terminal and backlight control side
Method.
Background technology
Liquid crystal does not light in itself, it is necessary to which providing light source by backlight module could normal work.LED backlight has due to it
Color rendition degree is good, long lifespan.Pollute the advantages that small, thus be widely used in the development process of backlight module.City at present
The display device such as common mobile phone, tablet personal computer is illuminated using LED as backlight on field.But as people are to aobvious
Show the continuous improvement of effect requirements, also gradually require LED etc. power more and more higher so that LED turns into display screen consumption electricity
One of the main reason for amount, and the quick consumption of electricity shortens the effective time of electric terminal.
The content of the invention
Embodiments of the invention provide a kind of display device, electric terminal and method for controlling backlight thereof, can reduce display screen
Power consumption, extend effective time of electric terminal.
To reach above-mentioned purpose, embodiments of the invention adopt the following technical scheme that：
In a first aspect, the embodiments of the invention provide a kind of display device, including display panel, at least two LED backlights
Lamp group and at least two drive circuits, each drive circuit are each connected with a LED backlight group, each LED backlight
Group includes at least one LED, and at least two LED backlights group is arranged on an at least side for the display panel；
Wherein, the drive circuit, for controlling the working condition of a LED backlight group, the working condition includes
Light and do not light.
Second aspect, the embodiment of the present invention additionally provide a kind of electric terminal, are integrated with display as described in relation to the first aspect
Device.
The third aspect, the embodiment of the present invention additionally provide a kind of method for controlling backlight thereof, applied to as described in relation to the first aspect
In display device, this method includes：
Idsplay order is received, the idsplay order carries the positional information in region to be shown；
According to the positional information, it is determined that the LED light group to be launched for providing backlight for the region to be shown；
Enabling signal is sent to the drive circuit being connected with the LED light group to be launched, to cause the drive circuit control
The LED light group to be launched is made to light.
A kind of display device, electric terminal and method for controlling backlight thereof provided in an embodiment of the present invention, the embodiment of the present invention exist
This provides a kind of display device, passes through the drive circuit for LED backlight packet configuration independence so that electric terminal can be only
The working condition of the vertical each LED backlight group of control, and then according to the display needs of each application program, needing display content
Region allow the LED backlight group for providing backlight for this region to light, the region can without display content allows as this
The LED backlight group in region is stopped, the technical scheme phase of LED work simultaneously that must be all compared in the prior art
Than, reduce the quantity of needs while the LED of work, and then reduce the power supply consumption of display screen, extend making for battery
Use the time.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of composition frame chart of display device provided in an embodiment of the present invention；
Fig. 2 is the composition frame chart of another display device provided in an embodiment of the present invention；
Fig. 3 is the composition frame chart of another display device provided in an embodiment of the present invention；
Fig. 4 is the composition frame chart of another display device provided in an embodiment of the present invention；
Fig. 5 is the composition frame chart of another display device provided in an embodiment of the present invention；
Fig. 6 is a kind of flow chart of method for controlling backlight thereof provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The embodiments of the invention provide a kind of display device, is mainly integrated in the movement of the electronics such as mobile phone, tablet personal computer
Terminal.It is formed as shown in figure 1, including display panel 11, at least two LED backlight groups 12 and at least two drive circuits
13, each drive circuit 13 is each connected with a LED backlight group 12, and each LED backlight group 12 includes at least one LED
Lamp, at least two LED backlights group 12 are arranged on an at least side for the display panel 11；
Wherein, the drive circuit 13, for controlling the working condition of a LED backlight group 12, the working condition
Including lighting and not lighting.
The display panel 11 refers to the display screen of electric terminal in embodiments of the present invention, can generally use TFT liquid
Crystalline substance screen is realized.
The embodiment of the present invention there is provided herein a kind of display device, pass through the driving for LED backlight packet configuration independence
Circuit so that electric terminal can be with the working condition of each LED backlight group of independent control, and then according to each application program
Display needs, and is needing the region of display content to allow the LED backlight group for providing backlight for this region to light, without showing
The region can of content allows to be stopped for the LED backlight group in this region, compared to necessary all LED in the prior art
The technical scheme that lamp works simultaneously is compared, and reduces the quantity of needs while the LED of work, and then reduces the confession of display screen
Electric consumption, extend the usage time of battery.
Further, the embodiment of the present invention is herein for the common square display screen in market, there is provided following 4 kinds of modes
The position set-up mode of LED light group.
The first set-up mode as shown in Fig. 2 including：
All LED backlight groups 12 are arranged on the same side of the display panel.
In such a embodiment, the direction of illumination of all LEDs is identical, that is to say, that LED1 to LEDy irradiates
Direction is consistent, and is arranged on any one side of square display screen.
Second of set-up mode as shown in figure 3, including：
At least one LED backlight group 12a is arranged on the first side s1 of the display panel, and remaining LED light group 12b is set
Put the second side s2 in the display panel；Wherein, the first side s1 and second side s2 opposite sides each other；
And first side s1 LED backlight group 12a second side s2 vertical mapping position be described second
Side is not provided with the blank position of LED backlight group, and in second side, s2 LED backlight group 12b is first side s1's
Vertical mapping position is the blank position that the second side is not provided with LED backlight group.
It is consistent, the LED of different sides in the direction of illumination of the LED light group of same side in such a set-up mode
It is opposite that the direction of illumination of group is into 180 degree.
The third set-up mode as shown in figure 4, including：
The LED backlight group 12c of first quantity is arranged on the first side s1 of the display panel, the LED of the second quantity
Backlight group 12b is arranged on the second side s2 of the display panel, and the LED backlight group 12e of the 3rd quantity is arranged on described
3rd side s3 of display panel；Wherein, the first side s1 and second side s2 opposite sides each other, the 3rd side
Side s3 is the first side s1 and second side s2 public flap；
And first side s1 LED backlight group 12c second side s2 vertical mapping position be described second
Side s2 is not provided with the blank position of LED backlight group, and in second side, s2 LED backlight group 12d is in first side s1
Vertical mapping position be not provided with the blank position of LED backlight group for the second side s2.
In this set-up mode, due in the 3rd side as first side s1 and the public flap of the second side s2
LED light group is also provided with the s3 of side so that under the scene that display panel supports spinfunction, can also can realize the present invention
The local display function of offer.
4th kind of set-up mode as shown in figure 5, including：
The LED backlight group 12f of first quantity is arranged on the first side s1 of the display panel, the LED of the second quantity
Backlight group 12g is arranged on the second side s2 of the display panel, and the LED backlight group 12h of the 3rd quantity is arranged on described
3rd side s3 of display panel, remaining LED backlight group 12i are arranged on the four side s4 of the display panel；Wherein,
The first side s1 and second side s2 opposite sides each other, the 3rd side s3 and four side s4 opposite sides each other, and
The 3rd side s3 and four side s4 is the first side s1 and the second side s2 public flap；
And first side s1 LED backlight group 12f second side s2 vertical mapping position be described second
Side s2 is not provided with the blank position of LED backlight group, and in second side, s2 LED backlight group 12g is in first side s1
Vertical mapping position be not provided with the blank position of LED backlight group for the second side s2；
And the 3rd side s3 LED backlight group 12h four side s4 vertical mapping position be the described 4th
Side s4 is not provided with the blank position of LED backlight group, four side s4 LED backlight group 12i in the 3rd side s3
Vertical mapping position be not provided with the blank position of LED backlight group for the 3rd side s3.
With the third set-up mode application target it is consistent in this set-up mode, is provided to support to revolve in display panel
Under the scene of rotating function, local display function provided by the invention can also can be realized.
With reference to foregoing display device, the embodiment of the present invention additionally provides a kind of method for controlling backlight thereof, as shown in fig. 6, bag
Include：
201st, idsplay order is received, the idsplay order carries the positional information in region to be shown.
Wherein, the idsplay order is supplied to the controller of electric terminal by each application program.
Wherein, the positional information in the region to be shown can be included in the transverse and longitudinal coordinate in display screen.
202nd, according to the positional information, it is determined that the LED light group to be launched for providing backlight for the region to be shown.
Because the irradiation area of each LED light group is that fixed setting is good, therefore, as long as according to being marked in positional information
Region can finds LED light group corresponding to the region.
203rd, enabling signal is sent to the drive circuit being connected with the LED light group to be launched, to cause the driving electricity
Road controls the LED light group to be launched to light.
The embodiment of the present invention there is provided herein a kind of method for controlling backlight thereof, by for LED backlight packet configuration independence
Drive circuit so that electric terminal can be with the working condition of each LED backlight group of independent control, and then applies journey according to each
The display of sequence needs, and is needing the region of display content to allow the LED backlight group for providing backlight for this region to light, without
The region can of display content allows to be stopped for the LED backlight group in this region, compared to must own in the prior art
The technical scheme that works simultaneously of LED compare, reduce the quantity of needs while the LED to work, and then reduce display
The power supply consumption of screen, extend the usage time of battery.
Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can borrow
Software is helped to add the mode of required common hardware to realize, naturally it is also possible to which by hardware, but the former is more preferably in many cases
Embodiment.Based on such understanding, portion that technical scheme substantially contributes to prior art in other words
Dividing can be embodied in the form of software product, and the computer software product is stored in the storage medium that can be read, and such as be counted
The floppy disk of calculation machine, hard disk or CD etc., including some instructions are causing a computer equipment（Can be personal computer,
Server, or network equipment etc.）Perform the method described in each embodiment of the present invention.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (6)
1. a kind of display device, it is characterised in that driven including display panel, at least two LED backlight groups and at least two
Dynamic circuit, each drive circuit are each connected with a LED backlight group, and each LED backlight group includes at least one LED
Lamp, at least two LED backlights group are arranged on an at least side for the display panel；
At least side that at least two LED backlights group is arranged on the display panel includes：
The LED backlight group of first quantity is arranged on the first side of the display panel, and the LED backlight group of the second quantity is set
Put and be arranged on the 3rd side of the display panel in the second side of the display panel, the LED backlight group of the 3rd quantity,
Remaining LED backlight group is arranged on the four side of the display panel；Wherein, the first side and the second side
Opposite side each other, the 3rd side and four side opposite side, and the 3rd side and the four side are described each other
First side and the public flap of the second side；
And vertical mapping position of the LED backlight group in second side in first side is not provided with for the second side
There is the blank position of LED backlight group, vertical mapping position of the LED backlight group in first side in second side is described
Second side is not provided with the blank position of LED backlight group；
And the LED backlight group in the 3rd side is not provided with the vertical mapping position of four side for the four side
There is the blank position of LED backlight group, be described in vertical mapping position of the LED backlight group in the 3rd side of four side
3rd side is not provided with the blank position of LED backlight group；
Wherein, the drive circuit, for controlling the work feelings of a LED backlight group according to the positional information in region to be shown
Condition, the working condition include luminous and not lighted.
2. display device according to claim 1, it is characterised in that at least two LED backlights group is arranged on institute
Stating an at least side for display panel also includes：
All LED backlight groups are arranged on the same side of the display panel.
3. display device according to claim 1, it is characterised in that at least two LED backlights group is arranged on institute
Stating an at least side for display panel also includes：
At least one LED backlight group is arranged on the first side of the display panel, and remaining LED light group is arranged on the display
The second side of panel；Wherein, the first side and the second side opposite side each other；
And vertical mapping position of the LED backlight group in second side in first side is not provided with for the second side
There is the blank position of LED backlight group, vertical mapping position of the LED backlight group in first side in second side is described
Second side is not provided with the blank position of LED backlight group.
4. display device according to claim 1, it is characterised in that at least two LED backlights group is arranged on institute
Stating an at least side for display panel also includes：
The LED backlight group of first quantity is arranged on the first side of the display panel, and the LED backlight group of the second quantity is set
Put and be arranged on the 3rd side of the display panel in the second side of the display panel, the LED backlight group of the 3rd quantity；
Wherein, the first side and the second side opposite side each other, the 3rd side are the first side and described the
The public flap of dual side-edge；
And vertical mapping position of the LED backlight group in second side in first side is not provided with for the second side
There is the blank position of LED backlight group, vertical mapping position of the LED backlight group in first side in second side is described
Second side is not provided with the blank position of LED backlight group.
5. a kind of electric terminal, it is characterised in that including the display device as described in Claims 1-4 any one.
A kind of 6. method for controlling backlight thereof, it is characterised in that applied to the display device as described in Claims 1-4 any one,
This method includes：
Idsplay order is received, the idsplay order carries the positional information in region to be shown；
According to the positional information, it is determined that the LED light group to be launched for providing backlight for the region to be shown；
Enabling signal is sent to the drive circuit being connected with the LED light group to be launched, to cause the drive circuit control institute
LED light group to be launched is stated to light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310306949.XA CN104332139B (en) | 2013-07-22 | 2013-07-22 | A kind of display device, electric terminal and method for controlling backlight thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310306949.XA CN104332139B (en) | 2013-07-22 | 2013-07-22 | A kind of display device, electric terminal and method for controlling backlight thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104332139A CN104332139A (en) | 2015-02-04 |
| CN104332139B true CN104332139B (en) | 2017-11-28 |
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| CN201310306949.XA Active CN104332139B (en) | 2013-07-22 | 2013-07-22 | A kind of display device, electric terminal and method for controlling backlight thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105913808A (en) * | 2016-05-19 | 2016-08-31 | 武汉华星光电技术有限公司 | Backlight control architecture and cover window display equipment |
| CN107437403B (en) * | 2017-08-10 | 2019-10-25 | 武汉华星光电技术有限公司 | Display device and its driving method |
| CN107978281B (en) | 2017-12-12 | 2020-11-10 | 北京京东方光电科技有限公司 | Backlight module driving method and device and display device |
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| CN101431844A (en) * | 2007-11-07 | 2009-05-13 | 三星电子株式会社 | Backlight assembly and display apparatus having the same |
| CN102354013A (en) * | 2011-10-11 | 2012-02-15 | 合肥工业大学 | Light guide plate for liquid crystal display and backlight module using same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100606968B1 (en) * | 2003-12-29 | 2006-08-01 | 엘지.필립스 엘시디 주식회사 | Back light unit of display device and liquid crystal display device using same |
| CN100498438C (en) * | 2006-03-22 | 2009-06-10 | 群康科技(深圳)有限公司 | LCD device and its backlight control method thereof |
| JP5365069B2 (en) * | 2008-05-16 | 2013-12-11 | ソニー株式会社 | Liquid crystal display device and control method of liquid crystal display device |
| CN102044219B (en) * | 2009-10-15 | 2015-05-06 | 康佳集团股份有限公司 | Energy-saving device and method for liquid crystal screen and energy-saving liquid crystal screen |
| KR20110096462A (en) * | 2010-02-22 | 2011-08-30 | 삼성전자주식회사 | A light source driver, a method of operating the same, and devices including the same |
| CN101975356B (en) * | 2010-09-21 | 2013-06-19 | 青岛海信电器股份有限公司 | Side light type LED backlight source and display device |
| CN102136253A (en) * | 2011-03-28 | 2011-07-27 | 彩虹集团公司 | Hybrid LED (light-emitting diode) backlight source drive method |
| CN202632727U (en) * | 2012-05-25 | 2012-12-26 | 东莞康佳电子有限公司 | LCD backlight module with local dimming function |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431844A (en) * | 2007-11-07 | 2009-05-13 | 三星电子株式会社 | Backlight assembly and display apparatus having the same |
| CN102354013A (en) * | 2011-10-11 | 2012-02-15 | 合肥工业大学 | Light guide plate for liquid crystal display and backlight module using same |
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| CN104332139A (en) | 2015-02-04 |
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