CN107465961A - A kind of peak brightness method for improving, storage medium and intelligent television - Google Patents
A kind of peak brightness method for improving, storage medium and intelligent television Download PDFInfo
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- CN107465961A CN107465961A CN201710580523.1A CN201710580523A CN107465961A CN 107465961 A CN107465961 A CN 107465961A CN 201710580523 A CN201710580523 A CN 201710580523A CN 107465961 A CN107465961 A CN 107465961A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
- H04N21/4854—End-user interface for client configuration for modifying image parameters, e.g. image brightness, contrast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/57—Control of contrast or brightness
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
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- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of peak brightness method for improving, storage medium and intelligent television, methods described includes：When receiving HDR film sources, the type of the HDR film sources is judged, wherein, the type includes static HDR film sources and dynamic HDR film sources；If the type is static HDR film sources, the luminance area of the HDR film sources is identified；The gray value of the luminance area is obtained, and by the gray value compared with predetermined target value；If the gray value is more than predetermined target value, driving current corresponding to the luminance area is improved, to cause the brightness of the luminance area to reach pre-set peak value brightness.The present invention on the basis of power supply cost and module cost is not increased, is reached peak brightness by lifting the electric current of LED, reduces the production cost of intelligent television by the adjustment of the driving current to luminance area.
Description
Technical field
The present invention relates to ntelligent television technolog field, more particularly to a kind of peak brightness method for improving, storage medium and intelligence
Can TV.
Background technology
Since 2015, after the support of HDR technologies is gradually added with computer game, digital camera etc., HDR technologies are gradual
As one very hot technology of TV technology.The use of HDR technologies can increase the performance of details in picture, improve picture
Matter.With holding for Second flat panel display development forum and HDR technology summits, TV industry, which is drafted, formulates industry
HDR television standards, it is meant that HDR technologies will turn into television set important Display Technique of future generation, and major television manufacturer is also confused
Confused exploitation and popularization HDR（HDR）Tv product.
Accordingly, domestic standardized designs research institute, electronic video have all been formulated accordingly as association, Ministry of Industry and Information and broadcasting and TV etc.
HDR television standards and issued successively.The all standard of regulation in to(for) brightness is required peak brightness.Such as
The institute of Beijing three, HDR compatibility requirements >=250nit；HDR requirements >=1000nit.The test of HDR peak brightness is with APL10-40
Window brightness be test benchmark, EOTF test is with APL（Average Picture Level, the average image are horizontal）10%
Window be test benchmark.In order that the peak brightness of intelligent television reaches industry relevant criterion, it is common that using increase LED
The quantity of bar, backlight is integrally carried out to bringing up to maximum more than 1000nit brightness.The power of LCD TV can so be caused
Radiating is difficult after consuming excessive and LED light bar quantity increase, and system overheat can cause blooming piece to wrinkle, cause vision bad
The problem of；In addition increase LED light bar can also increase the cost of LCD TV.
Thus prior art could be improved and improve.
The content of the invention
The technical problem to be solved in the present invention is, in view of the shortcomings of the prior art, there is provided a kind of peak brightness lifting side
Method, storage medium and intelligent television, to solve the problems, such as that the cost of the intelligent television of existing support HDR functions is high.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is as follows：
A kind of peak brightness method for improving based on intelligent television, it includes：
When receiving HDR film sources, the type of the HDR film sources is judged, wherein, the type includes static HDR film sources and moved
State HDR film sources；
If the type is static HDR film sources, the luminance area of the HDR film sources is identified；
The gray value of the luminance area is obtained, and by the gray value compared with predetermined target value；
If the gray value is more than predetermined target value, driving current corresponding to the luminance area is improved, it is described bright to cause
The brightness in degree region reaches pre-set peak value brightness.
The peak brightness method for improving of the intelligent television, wherein, it is described when receiving HDR film sources, judge the HDR
Include before the type of film source：
The piece source signal of detection signal input input, and detect whether described source signal carries flag bit；
If the HDR pieces source signal carries flag bit, judge described source signal for HDR film sources.
The peak brightness method for improving of the intelligent television, wherein, if the type is static HDR film sources, know
The luminance area of not described HDR film sources specifically includes：
If the type is static HDR film sources, the HDR film sources are divided into some regions, and calculate the flat of each region
Equal brightness；
The luminance area of the HDR film sources is determined according to the mean flow rate.
The peak brightness method for improving of the intelligent television, wherein, if the gray value is more than predetermined target value,
The driving current of the HDR film sources is improved, to cause the brightness of the luminance area reaches pre-set peak value brightness to specifically include：
If the gray value is more than predetermined target value, the ratio of white field in the HDR film sources is obtained, and judges that the ratio is
It is no to be in preset range；
If described in the preset range, by the drive current adjustment of the luminance area to predetermined current threshold, with
So that the brightness of the luminance area reaches pre-set peak value brightness.
The peak brightness method for improving of the intelligent television, wherein, the preset range is 10%-15%.
The peak brightness method for improving of the intelligent television, it also includes:
When the type is dynamic HDR film sources, the HDR film sources are divided into some regions；
The number of some region words spoken by an actor from offstage fields is obtained, and by the number compared with predetermined number threshold value；
When the number is less than predetermined threshold value, the driving current of the HDR film sources is adjusted according to preset rules.
The peak brightness method for improving of the intelligent television, wherein, the number for obtaining some region words spoken by an actor from offstage fields,
And the number is specifically included compared with predetermined number threshold value：
The mean flow rate in some regions is calculated respectively, and by the mean flow rate compared with predetermined threshold value；
Statistical average brightness is more than the quantity in the region of predetermined threshold value, is designated as the number of white field, and by the number and in advance
If number threshold value is compared.
The peak brightness method for improving of the intelligent television, wherein, it is described when the number is less than predetermined threshold value, according to
The driving current that preset rules adjust the HDR film sources specifically includes：
When the number is less than predetermined threshold value, the first driving current of the luminance area is determined according to preset rules；
Its corresponding power output is calculated according to first driving current, and the power output is corresponding with luminance area
Rated power is compared；
It is the described first drive by the drive current adjustment of the luminance area when the power output is less than or equal to rated power
Streaming current.
A kind of storage medium, it is stored with a plurality of instruction, and the instruction is suitable to be loaded by processor and performed as above any
The peak brightness method for improving of described intelligent television.
A kind of intelligent television, it includes：
Processor, it is adapted for carrying out each instruction；And
Storage device, suitable for storing a plurality of instruction, the instruction is suitable to be loaded by processor and performed as above any described intelligence
The peak brightness method for improving of energy TV.
Beneficial effect：Compared with prior art, the invention provides a kind of peak brightness method for improving, storage medium and intelligence
Energy TV, methods described include：When receiving HDR film sources, the type of the HDR film sources is judged, wherein, the type includes
Static HDR film sources and dynamic HDR film sources；If the type is static HDR film sources, the luminance area of the HDR film sources is identified；
The gray value of the luminance area is obtained, and by the gray value compared with predetermined target value；If the gray value is more than
Predetermined target value, then driving current corresponding to the luminance area is improved, to cause the brightness of the luminance area to reach default
Peak brightness.The present invention is not increasing the base of power supply cost and module cost by the adjustment of the driving current to luminance area
On plinth, reach peak brightness by lifting the electric current of LED, reduce the production cost of intelligent television.
Brief description of the drawings
Fig. 1 is the flow chart that peak brightness method for improving provided by the invention is preferably implemented.
Fig. 2 is the structure principle chart of intelligent television provided by the invention.
Embodiment
The present invention provides a kind of peak brightness method for improving, storage medium and intelligent television, to make the purpose of the present invention, skill
Art scheme and effect are clearer, clear and definite, and the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.It should manage
Solution, specific embodiment described herein only to explain the present invention, are not intended to limit the present invention.
In the present invention, using the suffix of such as " module ", " part " or " unit " for representing element only for favourable
In the explanation of the present invention, itself do not have specific meaning.Therefore, module ", " part " or " unit " can mixedly make
With.
Terminal device can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as moving
Phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (tablet personal computer), PMP
The mobile terminal of (portable media player), guider etc. and such as digital TV, desktop computer etc. are consolidated
Determine terminal.However, it will be understood by those skilled in the art that in addition to being used in particular for moving the element of purpose, according to this hair
The construction of bright embodiment can also apply to the terminal of fixed type.
Below in conjunction with the accompanying drawings, by the description to embodiment, the content of the invention is described further.
Fig. 1 is refer to, Fig. 1 is the flow chart of peak brightness method for improving preferred embodiment provided by the invention.The side
Method includes：
S100, when receiving HDR film sources, judge the type of the HDR film sources, wherein, the type includes static HDR film sources
With dynamic HDR film sources；
If S200, the type are static HDR film sources, the luminance area of the HDR film sources is identified；
S300, the gray value for obtaining the luminance area, and by the gray value compared with predetermined target value；
If S400, the gray value are more than predetermined target value, driving current corresponding to the luminance area is improved, to cause
The brightness for stating luminance area reaches pre-set peak value brightness.
A kind of peak brightness method for improving is present embodiments provided, it judges the HDR when receiving HDR film sources first
The type of film source, and its brightest area is obtained as luminance area when the HDR film sources are static, and calculate the brightness region
The gray value in domain, improve driving current corresponding to the luminance area if the gray value reaches predetermined target value so that described
The brightness of luminance area reaches peak brightness.So can be on the basis of intelligent television cost not be increased so that brightness reaches peak
It is worth brightness, while the power of intelligent television can also be reduced.
Specifically, in the step S100, need to monitor the input of intelligent television before HDR film sources are received
Whether end has input signal, such as the input of no signal source, then continues the detection of signal source.When having signal source input, judging should
Signal source is SDR film sources or HDR film sources.
Exemplary, it is described when receiving HDR film sources, judge also to include before the type of the HDR film sources：
S01, the piece source signal of detection signal input input, and detect whether described source signal carries flag bit；
If S02, the HDR pieces source signal carry flag bit, judge described source signal for HDR film sources.
Specifically, the flag bit is contained in the header file of HDR film sources, and it can specifically include three features, respectively
For primitive color information（Color primaries）The colour space standard of use, peak brightness（Transfer
Characteristics）Accepted standard, luminance non-linearity（matrix coefficients）.Connect to data signal input
After the piece source signal of mouth input is decoded, three features are detected, and judge that the film source is believed according to three features
Cease for HDR film sources or SDR film sources.In this example, by detecting and judging whether the value of three features meets to preset
Condition judges the described source signal for HDR film sources.For example, the value of three features is respectively：Color primaries'
It is worth for 9, represents colour space standard as BT.2020；Transfer Characteristics value be 16, represent luminance standard as
SMPTE ST2084.Matrix coefficients value is 9, and the linear relationship for representing monochrome information is marked as BT.2020NCL
Standard, then the signal film source is judged for HDR film sources, if not features above value, then judge the signal film source for SDR film sources.
Further, in the step S200 kinds, the luminance area refers to region most bright in the HDR film sources, institute
The luminance signal of pixel of the brightness of luminance area in HDR piece source images is stated, extracts the peak brightness of overall picture
Pixel or peak brightness region.In the present embodiment, the brightness of the luminance area refers to the mean flow rate of luminance area, i.e.,
Described image is divided into some regions, and the regional to currently dividing calculates the average value of its monochrome information respectively, with
The mean flow rate in each region is obtained, luminance area is determined further according to the mean flow rate.Some regions can be 12*1
Region, certainly, in actual applications in order to improve luminance area selection the degree of accuracy, more multizone can be divided into, for example,
12*3 regions.
Exemplary, if the type is static HDR film sources, identify that the luminance area of the HDR film sources is specific
Including：
If S201, the type are static HDR film sources, the HDR film sources are divided into some regions, and calculate each region
Mean flow rate；
S202, the luminance area for determining according to the mean flow rate HDR film sources.
Specifically, the mean flow rate in each region of calculating can be：In each zone, by all pixels point
Monochrome information be added after divided by its pixel total points, obtain the average brightness in the region.It is described true according to mean flow rate
The luminance area of the fixed HDR film sources refers to the average brightness in each region being compared, and finds out average brightness most
Big region, the maximum region of the average value is chosen to be luminance area.In actual applications, the bright of regional is being obtained
Maximum and average value are spent, and combination spatial filter and termporal filter obtain the brightness value in each region, so can be empty
Between wave filter can reduce the movement of highlighted object and cause backlight flicker, improve the brightness of center, termporal filter is used to control
The bright dark change of backlight, improve the display effect of image after drive current adjustment.
In the step S300, gray value is included after decoding process based on image, represented with 8 systems, then gray scale
The scope of value is 28 powers, as 0-255, that is to say, that each pixel corresponds to a value in 0-255 to represent gray scale
Value.The gray value of all pixels point in the luminance area is obtained, and the gray value of each pixel is compared, with true
The maximum of fixation vegetarian refreshments, and by the maximum compared with predetermined target value.The desired value is pre-sets, example
Such as, 255,250 etc..In actual applications, when the gray value for only existing a pixel is more than predetermined target value, the pixel is
Peak brightness point；When the gray value that multiple pixels be present is more than predetermined target value, the multiple pixel is adjacent then
Form peak brightness region.
In the step S400, under the HDR10 image conditions of static state, after gray value is more than predetermined target value, then
Judge the scope of the white field of the HDR film sources, further determine whether to need to improve driving current.
Exemplary, if the gray value is more than predetermined target value, the driving current of the HDR film sources is improved,
To cause the brightness of the luminance area reaches pre-set peak value brightness to specifically include：
If S401, the gray value are more than predetermined target value, the ratio of white field in the HDR film sources is obtained, and described in judgement
Whether ratio is in preset range；
If S402, described in the preset range, by the drive current adjustment of the luminance area to predetermined current threshold
Value, to cause the brightness of the luminance area to reach pre-set peak value brightness.
Specifically, the preset range is 10%-15%, i.e., using 10%-15% white field as lifting condition, when the area of white field
The driving current of backlight drive circuit corresponding to luminance area is improved to predetermined current threshold between 10%-15% in domain.It is described
Predetermined current threshold is preferably I=200mA, then is 255 for gray scale, when corresponding to hexadecimal 0XFF, peak brightness exists
More than 1000nit.In actual applications, the process of the motor current can be input WieHDR10 authentication signal when,
By current boost to 200mA, continue 10 seconds, then current reduction to normal condition 120mA is continued 3 minutes, followed successively again
Ring.Can so meet the needs of HDR peak brightness, reduce the energy consumption of intelligent television.
Further, the driving current uses constant current driving current, when meeting 10%-15% white field, improves brightness region
The driving current of backlight drive circuit corresponding to domain, and default drive current can be used for the driving current in other regions,
Can also according to its with the brightness value of luminance area for relation, be adjusted correspondingly.For example, by driving current and brightness
It is worth proportional adjustment etc..
In the present embodiment, the intelligent television is using the side-light backlight control of 12nd area, i.e. backlight drive control module 12
Group backlight drive circuit, the backlight lamp bar in 12nd area of control corresponding to 12 groups of backlight drive circuits.Accordingly, it is if described
It is in the preset range, then described bright to cause by the drive current adjustment of the luminance area to predetermined current threshold
The brightness in degree region reaches pre-set peak value brightness and is specifically as follows obtains subregion corresponding to the luminance area first, then passes through institute
Backlight drive circuit corresponding to subregion is stated to provide the driving current of its corresponding backlight lamp bar, to provide the bright of luminance area
Degree so that the maximum pixel of its interior gray value or pixel region reach peak-peak brightness.
In one embodiment of the invention, the peak brightness method for improving of the intelligent television, it also includes:
S500, when the type is dynamic HDR film sources, the HDR film sources are divided into some regions；
S600, the number for obtaining some region words spoken by an actor from offstage fields, and by the number compared with predetermined number threshold value；
S700, when the number is less than predetermined threshold value, the driving current of the HDR film sources is adjusted according to preset rules.
Specifically, the white field refers to that the gray value in the region is more than predetermined threshold value, accordingly, described in the acquisition
The number of some region words spoken by an actor from offstage fields, and by the number compared with predetermined number threshold value specially：Calculate institute respectively first
The average gray in some regions is stated, and by the average gray compared with predetermined threshold value；Statistical average gray scale is more than pre- again
If the quantity in the region of threshold value, the number of white field is designated as, and by the number compared with predetermined number threshold value, it is described
Predetermined number threshold value is preferably 6.
Further, in order to illustrate the preset rules, as shown in Table 1, dream_hight is set here as average gray value
PWM is more than predetermined threshold value F0 number, when the average gray value in region is more than F0, then it is assumed that the region is white field.Here with
It is illustrated exemplified by 12 subregions, as dream_hight=12, then it is assumed that for complete white field.When 12>dream_hight>6, then
When white field areas quantity is more than 6, target current is not lifted, when 6>dream_hight>When 4, the current value for lifting target is
144mA；When 4>dream_hight>When 2, the current value for lifting target is 148mA；When 1>dream_hight>When 1, mesh is lifted
Target current value is 153mA；When 0>dream_hight>When 0, the current value for lifting target is 162mA.In actual applications, institute
Value is entered to control in state the control signal that adjustment driving current can be sent by the drive circuit adjusted to backlight module 16
Backlight drive circuit exports different driving currents.For example, backlight drive circuit driving current I=120mA, backlight drive circuit
The control signal received is hexadecimal register value 0X4F, backlight drive circuit driving current I=170mA, light drive circuit
The control signal received is hexadecimal register value 0X5C, backlight drive circuit driving current I=200mA, light drive circuit
The control signal received is hexadecimal register value 0XB9.
Table one, preset rules
Further, the data rule that backlight drive control circuit receives control signal is pre-set, the control signal includes 2 words
The current data and check bit of section, least-significant byte represents size of current in 2 bytes, and high 8 is represent current backlight gray scale
Value.For example, the control signal includes：Positioned at most-significant byte be Data1, Data2, Data3, Data4, Data5, Data6,
Data7、Data8；Positioned at least-significant byte be Data9, Data10, Data11, Data12, Data13, Data14, Data15,
Data16, and the check bit positioned at data byte front-end and back-end.
In one embodiment of the invention, it is necessary to ensure LED corresponding to driving current while driving current is improved
The power of lamp bar meets rated power, so will not just have an impact to the life-span of LED light bar.Accordingly, it is described to work as the number
During less than predetermined threshold value, the driving current that the HDR film sources are adjusted according to preset rules specifically includes：
S801, when the number is less than predetermined threshold value, the first driving current of the luminance area is determined according to preset rules；
S802, calculate its corresponding power output according to first driving current, and by the power output and luminance area
Corresponding rated power is compared；
S803, when the power output is less than or equal to rated power, the drive current adjustment by the luminance area is described
First driving current.
In yet another embodiment of the present invention, the ratio of the white field areas of corresponding static HDR film sources is in default model
Enclose 10%-15%, i.e., described white field areas ratio can use normal driving in 0-10% or 85%-100% static HDR film sources
Current value, i.e. 12mA；The adjustment mode of dynamic HDR film sources can also be used to be adjusted, just do not illustrated one by one here.
Present invention also offers a kind of storage medium is present embodiments provided, it is stored with a plurality of instruction, and the instruction is suitable
In being loaded by processor and perform as above any peak brightness method for improving.
Present invention also offers a kind of intelligent television, as shown in Fig. 2 it includes at least one processor（processor）
30（In Fig. 2 by taking a processor 30 as an example）；Display screen 31；And memory（memory）32, communication interface can also be included
（Communications Interface）33 and bus 34.Wherein, processor 30, display screen 31, memory 32 and communication connect
Mouth 33 can complete mutual communication by bus 34.Display screen 31 is arranged to show default user in initial setting mode
Guide interface.Communication interface 33 can transmit information.Processor 30 can call the logical order in memory 32, with execution
State the method in embodiment.
In addition, the logical order in above-mentioned memory 32 can be realized by the form of SFU software functional unit and is used as solely
Vertical production marketing in use, can be stored in a computer read/write memory medium.
Memory 32 is used as a kind of computer-readable recording medium, may be configured as storage software program, computer can perform
Program, programmed instruction or module as corresponding to the method in the embodiment of the present disclosure.Processor 30 is stored in memory by operation
Software program, instruction or module in 32, so as to perform function application and data processing, that is, realize the side in above-described embodiment
Method.
Memory 32 may include storing program area and storage data field, wherein, storing program area can storage program area, extremely
Application program needed for few One function；Storage data field can store uses created data etc. according to terminal device.This
Outside, memory 32 can include high-speed random access memory, can also include nonvolatile memory.For example, USB flash disk, movement
Hard disk, read-only storage (Read-Only Memory, ROM), random access memory (Random Access Memory,
RAM), magnetic disc or CD etc. are a variety of can be with the medium or transitory memory medium of store program codes.
In addition, the detailed process that a plurality of instruction processing unit in above-mentioned storage medium and mobile terminal is loaded and performed exists
It has been described in detail in the above method, has just no longer stated one by one herein.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of peak brightness method for improving, it is characterised in that it includes：
When receiving HDR film sources, the type of the HDR film sources is judged, wherein, the type includes static HDR film sources and moved
State HDR film sources；
If the type is static HDR film sources, the luminance area of the HDR film sources is identified；
The gray value of the luminance area is obtained, and by the gray value compared with predetermined target value；
If the gray value is more than predetermined target value, driving current corresponding to the luminance area is improved, it is described bright to cause
The brightness in degree region reaches pre-set peak value brightness.
2. the peak brightness method for improving of intelligent television according to claim 1, it is characterised in that described to receive HDR
During film source, judge to include before the type of the HDR film sources：
The piece source signal of detection signal input input, and detect whether described source signal carries flag bit；
If described source signal carries flag bit, judge the HDR pieces source signal for HDR film sources.
3. the peak brightness method for improving of intelligent television according to claim 1, it is characterised in that if the type is
Static HDR film sources, then identify that the luminance area of the HDR film sources specifically includes：
If the type is static HDR film sources, the HDR film sources are divided into some regions, and calculate the flat of each region
Equal brightness；
The luminance area of the HDR film sources is determined according to the mean flow rate.
4. the peak brightness method for improving of intelligent television according to claim 1, it is characterised in that if the gray value
More than predetermined target value, then the driving current of the HDR film sources is improved, to cause the brightness of the luminance area to reach default peak
Value brightness specifically includes：
If the gray value is more than predetermined target value, the ratio of white field in the HDR film sources is obtained, and judges that the ratio is
It is no to be in preset range；
If described in the preset range, by the drive current adjustment of the luminance area to predetermined current threshold, with
So that the brightness of the luminance area reaches pre-set peak value brightness.
5. the peak brightness method for improving of intelligent television according to claim 4, it is characterised in that the preset range is
10%-15%。
6. the peak brightness method for improving of intelligent television according to claim 1, it is characterised in that it also includes:
When the type is dynamic HDR film sources, the HDR film sources are divided into some regions；
The number of some region words spoken by an actor from offstage fields is obtained, and by the number compared with predetermined number threshold value；
When the number is less than predetermined threshold value, the driving current of the HDR film sources is adjusted according to preset rules.
7. the peak brightness method for improving of intelligent television according to claim 6, it is characterised in that the acquisition is described some
The number of region words spoken by an actor from offstage field, and the number is specifically included compared with predetermined number threshold value：
The mean flow rate in some regions is calculated respectively, and by the mean flow rate compared with predetermined threshold value；
Statistical average brightness is more than the quantity in the region of predetermined threshold value, is designated as the number of white field, and by the number and in advance
If number threshold value is compared.
8. the peak brightness method for improving of intelligent television according to claim 6, it is characterised in that described when the number is small
When predetermined threshold value, the driving current that the HDR film sources are adjusted according to preset rules specifically includes：
When the number is less than predetermined threshold value, the first driving current of the luminance area is determined according to preset rules；
Its corresponding power output is calculated according to first driving current, and the power output is corresponding with luminance area
Rated power is compared；
It is the described first drive by the drive current adjustment of the luminance area when the power output is less than or equal to rated power
Streaming current.
9. a kind of storage medium, it is characterised in that it is stored with a plurality of instruction, and the instruction is suitable to be loaded and performed by processor
The peak brightness method for improving of intelligent television as described in claim 1-8 is any.
10. a kind of intelligent television, it is characterised in that it includes：
Processor, it is adapted for carrying out each instruction；And
Storage device, suitable for storing a plurality of instruction, the instruction is suitable to be loaded by processor and performed as claim 1-8 is any
The peak brightness method for improving of described intelligent television.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110473504A (en) * | 2019-08-06 | 2019-11-19 | 深圳创维－Rgb电子有限公司 | A kind of MINI LED backlight television image adjusting method and device |
| WO2020125049A1 (en) * | 2018-12-21 | 2020-06-25 | 深圳创维－Rgb电子有限公司 | Image processing method employing backlight adjustment, smart television, and storage medium |
| CN114420040A (en) * | 2021-11-17 | 2022-04-29 | 高创(苏州)电子有限公司 | Control method and device of display panel, electronic equipment and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070045681A1 (en) * | 2005-08-30 | 2007-03-01 | Micron Technology, Inc. | Efficient charge transferring in CMOS imagers |
| CN106131453A (en) * | 2016-08-30 | 2016-11-16 | Tcl集团股份有限公司 | A kind of instantaneous increasing method of projection brightness based on solid state light emitter and system |
| CN106210921A (en) * | 2016-08-12 | 2016-12-07 | 深圳创维－Rgb电子有限公司 | A kind of image effect method for improving and device thereof |
| CN106448571A (en) * | 2016-09-14 | 2017-02-22 | 广州创维平面显示科技有限公司 | Liquid crystal display television and driving method and driving device for edge-lit liquid crystal display system |
-
2017
- 2017-07-17 CN CN201710580523.1A patent/CN107465961B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070045681A1 (en) * | 2005-08-30 | 2007-03-01 | Micron Technology, Inc. | Efficient charge transferring in CMOS imagers |
| CN106210921A (en) * | 2016-08-12 | 2016-12-07 | 深圳创维－Rgb电子有限公司 | A kind of image effect method for improving and device thereof |
| CN106131453A (en) * | 2016-08-30 | 2016-11-16 | Tcl集团股份有限公司 | A kind of instantaneous increasing method of projection brightness based on solid state light emitter and system |
| CN106448571A (en) * | 2016-09-14 | 2017-02-22 | 广州创维平面显示科技有限公司 | Liquid crystal display television and driving method and driving device for edge-lit liquid crystal display system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020125049A1 (en) * | 2018-12-21 | 2020-06-25 | 深圳创维－Rgb电子有限公司 | Image processing method employing backlight adjustment, smart television, and storage medium |
| CN110473504A (en) * | 2019-08-06 | 2019-11-19 | 深圳创维－Rgb电子有限公司 | A kind of MINI LED backlight television image adjusting method and device |
| CN110473504B (en) * | 2019-08-06 | 2020-12-29 | 深圳创维－Rgb电子有限公司 | Method and device for adjusting MINI LED backlight television picture |
| CN114420040A (en) * | 2021-11-17 | 2022-04-29 | 高创(苏州)电子有限公司 | Control method and device of display panel, electronic equipment and storage medium |
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