CN106782344B - Brightness adjusting method, device and display equipment - Google Patents
Brightness adjusting method, device and display equipment Download PDFInfo
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- CN106782344B CN106782344B CN201611181306.7A CN201611181306A CN106782344B CN 106782344 B CN106782344 B CN 106782344B CN 201611181306 A CN201611181306 A CN 201611181306A CN 106782344 B CN106782344 B CN 106782344B
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000005286 illumination Methods 0.000 claims abstract description 91
- 230000004438 eyesight Effects 0.000 claims abstract description 20
- 230000007613 environmental effect Effects 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 230000003287 optical effect Effects 0.000 claims description 8
- 239000000654 additive Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 15
- 238000004364 calculation method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 208000003464 asthenopia Diseases 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
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- 238000010894 electron beam technology Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
- G09G3/3413—Details of control of colour illumination sources
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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- Liquid Crystal Display Device Control (AREA)
Abstract
The present invention provides a kind of brightness adjusting method, device and display equipment, is related to showing equipment technical field.Method includes: to obtain the brightness of the image to be played after the currently playing image of display equipment；The backlight illumination of the display equipment is adjusted, the display brightness obtained after being superimposed backlight illumination adjusted with the brightness of the image to be played is in predetermined luminance range.By above-mentioned design, when carrying out scene switching, the brightness change of display equipment can be reduced, achieve the effect that protect spectators' eyesight.
Description
Technical field
The present invention relates to display equipment technical fields, set in particular to a kind of brightness adjusting method, device and display
It is standby.
Background technique
Equipment is shown during carrying out scene switching, brightness can constantly change, and lead to the pupil needs of spectators
It constantly regulate to adapt to new brightness, be easy to cause visual fatigue.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of brightness adjusting method, device and display equipment, on improving
State problem.
To achieve the goals above, present pre-ferred embodiments provide a kind of brightness adjusting method, comprising:
Obtain the brightness of the image to be played after the currently playing image of display equipment；And
The backlight illumination for adjusting the display equipment keeps the brightness of backlight illumination adjusted and the image to be played folded
The display brightness obtained after adding is in predetermined luminance range.
Preferably, the backlight illumination for adjusting the display equipment, makes backlight illumination adjusted and the image to be played
Brightness superposition after the step of obtained display brightness in predetermined luminance range, comprising:
Detect the current backlight illumination of the display equipment；
The brightness of the display equipment current backlight illumination and the image to be played is overlapped, a display is obtained
Brightness；
Judge the display brightness whether in predetermined luminance range；And
If the display brightness not in the predetermined luminance range, adjusts the backlight illumination of the display equipment, make
The display brightness that backlight illumination adjusted obtains after being superimposed with the brightness of the image to be played is in the predetermined luminance range
It is interior.
Preferably, the backlight illumination for adjusting the display equipment, makes backlight illumination adjusted and the image to be played
Brightness superposition after the step of obtained display brightness in predetermined luminance range, comprising:
Additive operation is done to the brightness of a benchmark display brightness and the image to be played, obtains playing the figure to be played
As required backlight illumination, the benchmark display brightness is in predetermined luminance range；And
The backlight illumination of the display equipment is adjusted to backlight illumination needed for playing the image to be played.
Preferably, the backlight illumination for adjusting the display equipment, makes backlight illumination adjusted and the image to be played
Brightness superposition after the step of obtained display brightness in predetermined luminance range include:
Detect the current back facet current value of the display equipment；
It is bright to calculate the display obtained after being superimposed the backlight illumination of the display equipment with the brightness of the image to be played
Spend back facet current range required in the predetermined luminance range；And
When the current back facet current value of the display equipment is not within the scope of the back facet current, adjusts the display and set
The size of standby back facet current makes the back facet current value of the display equipment within the scope of the back facet current.
Preferably, the size for adjusting the back facet current of the display equipment makes the back facet current value of the display equipment exist
Step within the scope of the back facet current, comprising:
The size that the back facet current of the display equipment is adjusted according to pre-set velocity makes the back facet current of the display equipment
Value is within the scope of the back facet current.
Preferably, it is stored with brightness range corresponding with varying environment brightness in the display equipment, described in adjustment
Before the step of showing the backlight illumination of equipment, the method also includes:
Detect current environmental light brightness；And
Select brightness range corresponding with the environmental light brightness as the predetermined luminance range.
Preferably, the image to be played is the nth frame image after the currently playing image of the display equipment.
Preferably, the step of brightness for obtaining the image to be played after the currently playing image of display equipment, packet
It includes:
Obtain the nth frame image after the currently playing image of display equipment；
Calculate being averaged for the average brightness of all odd-line pixels points and all even rows point in the nth frame image
Brightness obtains two average brightness；And
Calculate brightness of the average value of described two average brightness as the nth frame image.
Preferably, the image to be played is the first frame image after the currently playing image of the display equipment.
Preferably, the method also includes:
Detect whether vision signal to be played is the video type for needing to carry out brightness regulation, is deposited in the display equipment
Contain the video type for needing to carry out brightness regulation；And
When the vision signal to be played is to need to carry out the video type of brightness regulation, to the vision signal institute
Including the display brightness of image be adjusted.
Present pre-ferred embodiments also provide a kind of brightness regulating apparatus, comprising:
Brightness of image obtains module, for obtaining the bright of the image to be played after showing the currently playing image of equipment
Degree；And
Luminance adjustment module, for adjust it is described display equipment backlight illumination, make backlight illumination adjusted with it is described
The display brightness obtained after the brightness superposition of image to be played is in predetermined luminance range.
Preferably, the luminance adjustment module includes:
Backlight illumination detection sub-module, for detecting the current backlight illumination of the display equipment；
Display brightness computational submodule, for backlight illumination and the image to be played that the display equipment is current
Brightness is overlapped, and obtains a display brightness；
Judging submodule, for judging the display brightness whether in predetermined luminance range；And
First brightness regulation submodule, for adjusting institute when the display brightness is not in the predetermined luminance range
State the backlight illumination of display equipment, the display obtained after being superimposed backlight illumination adjusted with the brightness of the image to be played
Brightness is in the predetermined luminance range.
Preferably, the luminance adjustment module includes:
Target backlight luminance computational submodule does phase for the brightness to a benchmark display brightness and the image to be played
Subtract operation, obtains backlight illumination needed for playing the image to be played, the benchmark display brightness is in predetermined luminance range；
And
Second brightness regulation submodule, for being adjusted to the backlight illumination of the display equipment to play the figure to be played
As required backlight illumination.
Preferably, brightness range corresponding with varying environment brightness, the brightness tune are stored in the display equipment
Regulating device further include:
Environmental light brightness detection module, for detecting current environmental light brightness；And
Predetermined luminance range chooses module, for selecting brightness range corresponding with the environmental light brightness as described pre-
If brightness range.
Present pre-ferred embodiments also provide a kind of display equipment, including memory and processor；
The memory is for storing program；
The processor executes brightness regulation provided by the invention for calling the program of storage in the memory
Method.
Preferably, the display equipment offers through-hole, and the through hole, which is provided with, is electrically connected light with the processor
Sensor is learned, the optical sensor is used to acquire the backlight illumination of the display equipment.
Brightness adjusting method, device and display equipment provided in an embodiment of the present invention, basis can work as in playing process
The brightness adjustment of image to be played after the image of preceding broadcasting shows the backlight illumination of equipment, so that display device plays image
When the display brightness that presents to audience be maintained in predetermined luminance range, be presented to when to reducing display device plays image
The amplitude of variation of the display brightness of spectators achievees the effect that protect spectators' eyesight.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the block diagram of display equipment provided in an embodiment of the present invention.
Fig. 2 is the flow diagram of brightness adjusting method provided in an embodiment of the present invention.
Fig. 3 is a seed step schematic diagram of step S101 shown in Fig. 2.
Fig. 4 is a seed step schematic diagram of step S102 shown in Fig. 2.
Fig. 5 is the another sub-step schematic diagram of step S102 shown in Fig. 2.
Fig. 6 is the sub-step schematic diagram of adjusting backlight luminance provided in an embodiment of the present invention.
Fig. 7 is the another flow diagram of brightness adjusting method provided in an embodiment of the present invention.
Fig. 8 is the another flow diagram of brightness adjusting method provided in an embodiment of the present invention.
Fig. 9 is a kind of functional block diagram of brightness regulating apparatus provided in an embodiment of the present invention.
Figure 10 is a seed module block diagram of luminance adjustment module shown in Fig. 9.
Figure 11 is the another submodule block diagram of luminance adjustment module shown in Fig. 9.
Figure 12 is the another functional block diagram of brightness regulating apparatus provided in an embodiment of the present invention.
Icon: 100- shows equipment；110- memory；120- processor；130- display unit；140- detection unit；
200- brightness regulating apparatus；210- brightness of image obtains module；220- luminance adjustment module；221- backlight illumination detects submodule
Block；222- display brightness computational submodule；223- judging submodule；224- the first brightness regulation submodule；225- target backlight
Brightness calculation submodule；226- the second brightness regulation submodule；230- environmental light brightness detection module；240- predetermined luminance range
Choose module.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Through inventor the study found that a display equipment finally is presented to the display brightness of spectators, mainly set by the display
The brightness of standby backlight illumination He the currently playing image of the display equipment codetermines.Existing display equipment is playing video
During signal, backlight illumination remains unchanged always, and the different scenes in vision signal have different brightness, so that aobvious
Show that the brightness that equipment is finally presented in face of spectators changes with the switching of scene, is easy to keep spectators' generation vision tired
Labor.
If showing the backlight illumination of equipment according to the brightness regulation of image to be played, so that display equipment presented to audience
Brightness is maintained always in a preset range, then can be avoided brightness and frequently change the injury caused by spectators' eyesight.
Referring to Fig. 1, being the block diagram for the display equipment 100 that present pre-ferred embodiments provide.The display is set
Standby 100 include brightness regulating apparatus 200, memory 110, processor 120, display unit 130 and detection unit 140.
The memory 110, processor 120, display unit 130 and each element of detection unit 140 are direct between each other
Or be electrically connected indirectly, to realize the transmission or interaction of data.For example, these elements can pass through one or more between each other
Communication bus or signal wire, which are realized, to be electrically connected.The brightness regulating apparatus 200 includes at least one can be with software or firmware
(firmware) form is stored in the software function module in the memory 110.The processor 120 is described for executing
The executable module stored in memory 110, such as software function module included by the brightness regulating apparatus 200 and calculating
Machine program etc..
Wherein, the memory 110 may be, but not limited to, random access memory (Random Access
Memory, RAM), read-only memory (Read Only Memory, ROM), programmable read only memory (Programmable
Read-Only Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only
Memory, EPROM), electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only
Memory, EEPROM) etc..
For the memory 110 for storing program, the processor 120 executes the journey after receiving and executing instruction
Sequence.The display unit 130 is used to provide an interactive interface between the display equipment 100 and user, or for showing
Image.In the present embodiment, the display unit 130 is displayed for being stored in the figure in the video memory of the display equipment 100
Shape information.
The detection unit 140 can be, but be not limited to, optical sensor.
Optionally, the display equipment 100 offers through-hole, and the optical sensor can be set in the through hole.
According to actual needs, the diameter of the through-hole can be, but be not limited to 3 millimeters~5 millimeters.In the present embodiment, the optics is passed
Sensor is used to detect the backlight illumination of the display equipment 100, and will test luminance information and be converted into electric signal and be sent to institute
State processor 120.The optical sensor and the processor 120 are electrically connected.
It is appreciated that structure shown in FIG. 1 is only to illustrate, display equipment 100 can also include it is more than shown in Fig. 1 or
The less component of person, or with the configuration different from shown in Fig. 1.Each component shown in FIG. 1 can using hardware, software or its
Combination is realized.
Referring to Fig. 2, being the flow diagram for the brightness adjusting method that present pre-ferred embodiments provide, the brightness tune
Section method can be applied to display equipment 100 shown in FIG. 1.Specific steps shown in Fig. 2 will be elaborated below.
Step S101: the brightness of the image to be played after the currently playing image of display equipment 100 is obtained.
In the present embodiment, the current display brightness of display equipment 100 is the backlight illumination for showing that equipment 100 is current and display
The result of the brightness superposition of the currently playing image of equipment 100.Make show equipment 100 play after image to be played when
Display brightness maintains in predetermined luminance range, needs according to the brightness of the image to be played to the backlight for showing equipment 100
Brightness is adjusted.Wherein, the display brightness refers to the brightness that display equipment 100 presents to audience.
In the present embodiment, it is contemplated that it is existing that there are the persistence of visions when processing speed and human eye of processor 120 are watched
As during the backlight illumination to display equipment 100 is adjusted, it may not be necessary to backlight when to each frame image of broadcasting
Brightness is adjusted, but select to play present image after nth frame image when backlight illumination be adjusted.That is,
The image to be played can be the nth frame image after the currently playing image of display equipment 100.
Further, the image to be played can be first after the currently playing image of the display equipment 100
Frame image.It so, it is possible to make to show that equipment 100 plays the display brightness to present to audience when each frame image described default
In brightness range, better effect can be reached.
Since each frame image is made of multiple pixels, each pixel has certain brightness, thus is implementing
In the process, the brightness according to the brightness calculation of each pixel frame image in a frame image is needed, specific calculation has more
Kind, the present embodiment is without limitation.
Such as shown in Fig. 3, the step S101 may include step S201, step S202 and tri- sub-steps of step S203
Suddenly.
Step S201: the nth frame image after the currently playing image of display equipment 100 is obtained.
Step S202: the average brightness and all even number line pictures of all odd-line pixels points in the nth frame image are calculated
The average brightness of vegetarian refreshments obtains two average brightness.
Step S203: brightness of the average value of described two average brightness as the nth frame image is calculated.
It shows that equipment 100 can identify vision signal using interleaved method, includes multiple image in vision signal,
Every frame image can be divided into odd field and even field two.That is, display equipment 100 needs two progress for a frame image
Scanning.When scanning, electron beam first from left to right, from top to bottom scans all odd-numbered lines and forms a field picture, i.e. odd field.
It scans all even number lines from left to right, from top to bottom again and forms another field picture, i.e. even field.
When calculating the brightness of a frame image, need to calculate separately the brightness of odd field and even field.That is, calculating this
The average brightness of the average brightness of all odd-line pixels points and all even rows point in frame image, then to calculated two
A average brightness is averaging, and obtained average value is the brightness of the frame image.In the present embodiment, the nth frame image it is bright
Degree can be calculated by the above method.
Another example is: the key area in the nth frame image can be extracted, and by each pixel of the key area
Brightness brightness of the average value as the nth frame image.
Optionally, in the present embodiment, after obtaining the nth frame image, the brightness that the nth frame image can be generated is straight
Fang Tu, and the brightness of each pixel is directly obtained from the brightness histogram of the nth frame image.It is referred in above-mentioned calculating process
Each pixel brightness can using the method obtain.
Step S102: adjustment it is described display equipment 100 backlight illumination, make backlight illumination adjusted with it is described to be played
The display brightness obtained after the brightness superposition of image is in predetermined luminance range.
In the present embodiment, it is stored with the predetermined luminance range in the display equipment 100, the predetermined luminance range can
Think the brightness range of the suitable spectators viewing of default setting.That is, helping to protect spectators' eyesight in the viewing of this brightness range.
The predetermined luminance range may be spectators according to the customized brightness range of hobby.
It should be appreciated that when display equipment 100 plays what the image to be played was showed using current backlight illumination
When display brightness is in the predetermined luminance range, it may not be necessary to which the backlight illumination of display equipment 100 is adjusted.Work as display
Equipment 100 plays display brightness that the image to be played is showed not in the predetermined luminance using current backlight illumination
When in range, just need to be adjusted by backlight illumination of the step S102 to display equipment 100.
Optionally, referring to Fig. 4, the step S102 may include step S301, step S302, step S303, step
Five sub-steps of S304 and step S305.
Step S301: the current backlight illumination of the detection display equipment 100.
In the present embodiment, the backlight illumination of the display equipment 100 is detected by optical sensor, and the optics passes
The luminance information that sensor will test is converted to electric signal and is sent to processor 120.
Step S302: the brightness of the display equipment 100 current backlight illumination and the image to be played is folded
Add, obtains a display brightness.
In the present embodiment, the backlight illumination for playing a certain parts of images (such as: adjacent picture frame) Shi Suoxu may phase
Same or difference very little.Therefore, can first judge, which directly adopt current backlight illumination, plays the image to be played.It is real
Shi Shi directly can be overlapped the brightness of current backlight illumination Yu the image to be played to obtain a display brightness, and
The display brightness is judged whether in the predetermined luminance range, whether can be after when can judge to play the image to be played
It is continuous to use current backlight illumination.
Step S303: judge the display brightness whether in predetermined luminance range.If the display brightness is described pre-
If in brightness range, thening follow the steps S304.If the display brightness in the predetermined luminance range, does not then follow the steps
S305。
Step S304: the backlight illumination for keeping the display equipment 100 current.
Step S305: adjustment it is described display equipment 100 backlight illumination, make backlight illumination adjusted with it is described to be played
The display brightness obtained after the brightness superposition of image is in the predetermined luminance range.
In the present embodiment, when judging that the display brightness is in the predetermined luminance range, it is meant that display equipment
It can continue when the 100 broadcasting image to be played using current backlight illumination, therefore the display equipment 100 can be kept to work as
Preceding backlight illumination.When judging the display brightness not in the predetermined luminance range, to the backlight of display equipment 100
Brightness is adjusted.In this way, with it is direct calculate play the image to be played needed for backlight illumination and be adjusted.In this way,
It can be avoided unnecessary calculating process, reduce the time complexity of algorithm.
Optionally, referring to Fig. 5, the step S102 also may include two sub-steps of step S401 and step S402.
Step S401: doing additive operation to the brightness of a benchmark display brightness and the image to be played, obtains playing institute
Backlight illumination needed for stating image to be played.
Step S402: the backlight illumination of the display equipment 100 is adjusted to back needed for playing the image to be played
Brightness.
In the present embodiment, showing in equipment 100 can store a benchmark display brightness, and the benchmark display brightness is in institute
It states in predetermined luminance range.According to actual needs, the benchmark display brightness can be is defaulted as in the predetermined luminance range
It is most suitable for the brightness of spectators' viewing, or the customized brightness of user.
When implementation, the backlight illumination of the display equipment 100 can be adjusted to needed for playing the image to be played
Backlight illumination, so that it is bright to show the display brightness benchmark shown when equipment 100 plays the image to be played
Degree.Wherein, backlight illumination needed for playing the image to be played can be by the benchmark display brightness and described to be played
Additive operation acquisition is done in the brightness of image.
It so, it is possible to adjust display brightness when showing that equipment 100 plays image to an optimal brightness value, be more suitable for
The viewing of spectators is accustomed to, and visual fatigue is avoided.
In the present embodiment, the adjusting of the backlight illumination can be realized by the adjusting of back facet current.Optionally, it please refers to
Fig. 6, step S102 may include step S501, step S502 and step S503.
Step S501: the current back facet current value of the detection display equipment 100.
Step S502: it calculates after being superimposed the backlight illumination of the display equipment 100 with the brightness of the image to be played
Obtained display brightness is within the scope of the back facet current needed for the predetermined luminance range.
Step S503: the tune when the current back facet current value of the display equipment 100 is not within the scope of the back facet current
The size of the back facet current of the whole display equipment 100, makes the back facet current value of the display equipment 100 in the back facet current
In range.
Optionally, during adjusting back facet current, if the variation of back facet current is excessive in the unit time, it will cause list
The brightness change of display equipment 100 is excessive in the time of position, the problem of display equipment 100 flashes occurs.
In order to improve the above problem, step S503 be may comprise steps of:
The size that the back facet current of the display equipment 100 is adjusted according to pre-set velocity makes the back of the display equipment 100
Photocurrent values are within the scope of the back facet current.
It so, it is possible the variable quantity control of back facet current in the unit time within a preset range, wherein the default speed
Degree can be accustomed to carrying out flexible setting according to the viewing of user, such as: back facet current per second of the control display equipment 100
Changing 5 milliamperes~20 milliamperes namely the pre-set velocity can be the arbitrary value in 5 milliamperes/s~20 milliampere/s.
Optionally, the predetermined luminance range can be adjusted according to current environmental light brightness.Referring to Fig. 7,
Before executing step S102, the method can also include step S103 and step S104.
Step S103: current environmental light brightness is detected.
In the present embodiment, environmental light brightness can be detected by optical sensor and be sent to processor 120.
Step S104: select brightness range corresponding with the environmental light brightness as the predetermined luminance range.
In the present embodiment, brightness range corresponding with varying environment brightness can store in the display equipment 100,
" brightness range corresponding with varying environment brightness " described herein refers to and is most suitable for spectators' viewing in varying environment brightness
Brightness range.When implementation, the display equipment 100 can choose the brightness that spectators' viewing is most suitable under current environmental light brightness
Range is as the predetermined luminance range.
In the present embodiment, it can both manually select all videos played to the display equipment 100 and carry out brightness regulation,
The video progress brightness regulation that certain part needs to carry out brightness regulation can also be automatically selected.For example, being in development for eyesight
The children of phase can play preferable sight protectio effect using brightness adjusting method provided by the invention.Therefore, it can will see
Crowd is mostly that the cartoon of children is labeled as needing to carry out the video of brightness regulation, to show that equipment 100 detects when progress
It is corresponding to adjust.
In order to reach said effect, referring to Fig. 8, the method can also include step S105 and step S106.
Step S105: detect whether vision signal to be played is the video type for needing to carry out brightness regulation.
In the present embodiment, the video type in need for carrying out brightness regulation, example can store in the display equipment 100
Such as, cartoon.
Step S105: when the vision signal to be played is to need to carry out the video type of brightness regulation, to described
The display brightness of image included by vision signal is adjusted.
By taking cartoon as an example, when showing that equipment 100 detects that video type to be played is cartoon, it can enter bright
Shaping modes are spent, the display brightness of image included by the cartoon is adjusted.That is, when playing the cartoon
The backlight illumination for adjusting the display equipment 100 makes to show that the display brightness of equipment 100 is in the predetermined luminance range always
It is interior.
Referring to Fig. 9, being a kind of functional block diagram of brightness regulating apparatus 200 provided in an embodiment of the present invention.It is described
Brightness regulating apparatus 200 includes that brightness of image obtains module 210 and luminance adjustment module 220.
Described image luminance acquisition module 210 is for be played after obtaining the currently playing image of display equipment 100
The brightness of image.
In the present embodiment, the description as described in described image luminance acquisition module 210 is specifically referred to step shown in Fig. 2
The detailed description of S101.That is, step S101 can be executed by described image luminance acquisition module 210.
The luminance adjustment module 220 is used to adjust the backlight illumination of the display equipment 100, keeps backlight adjusted bright
The display brightness that degree obtains after being superimposed with the brightness of the image to be played is in predetermined luminance range.
In the present embodiment, the description as described in the luminance adjustment module 220 is specifically referred to step shown in Fig. 2
The detailed description of S102, that is, step S102 can be executed by the luminance adjustment module 220.
Optionally, as Figure 10 shows, the luminance adjustment module 220 may include backlight illumination detection sub-module 221, display
Brightness calculation submodule 222, judging submodule 223 and the first brightness regulation submodule 224.
The backlight illumination detection sub-module 221 is used to detect the current backlight illumination of the display equipment 100.
In the present embodiment, the description as described in the backlight illumination detection sub-module 221 is specifically referred to the step in Fig. 4
The detailed description of S301, that is, step S301 can be executed by the backlight illumination detection sub-module 221.
The display brightness computational submodule 222 be used for by the current backlight illumination of the display equipment 100 with it is to be played
The brightness of image is overlapped, and obtains a display brightness.
In the present embodiment, the description as described in the display brightness computational submodule 222 is specifically referred to the step in Fig. 4
The detailed description of S302, that is, step S302 can be executed by the display brightness computational submodule 222.
Whether the judging submodule 223 is for judging the display brightness in predetermined luminance range.
In the present embodiment, the description as described in the judging submodule 223 is specifically referred to the detailed of the step S303 in Fig. 4
Thin description, that is, step S303 can be executed by the judging submodule 223.
The first brightness regulation submodule 224 is used for when the display brightness is not in the predetermined luminance range,
The backlight illumination for adjusting the display equipment 100, obtains after being superimposed backlight illumination adjusted with the brightness of image to be played
Display brightness in the predetermined luminance range.
In the present embodiment, the description as described in the first brightness regulation submodule 224 is specifically referred to shown in Fig. 4
The detailed description of step S305, that is, step S305 can be executed by the first brightness regulation submodule 224.
Optionally, as shown in figure 11, the luminance adjustment module 220 also may include target backlight luminance computational submodule
225 and the second brightness regulation submodule 226.
The target backlight luminance computational submodule 225 is used for the bright of a benchmark display brightness and the image to be played
Degree does additive operation, obtains backlight illumination needed for playing the image to be played.
In the present embodiment, the description as described in the target backlight luminance computational submodule 225 is specifically referred to institute in Fig. 5
The detailed description of the step S401 shown.That is, step S401 can be executed by the target backlight luminance computational submodule 225.
The second brightness regulation submodule 226 is used to be adjusted to the backlight illumination of the display equipment 100 to play institute
Backlight illumination needed for stating image to be played.
In the present embodiment, the description as described in the second brightness regulation submodule 226 is specifically referred to shown in Fig. 5
The detailed description of step S402.That is, step S402 can be executed by the second brightness regulation submodule 226.
Optionally, as shown in figure 12, the brightness regulating apparatus 200 can also include environmental light brightness detection module 230
Module 240 is chosen with predetermined luminance range.
The environmental light brightness detection module 230 is for detecting current environmental light brightness.
In the present embodiment, the description as described in the environmental light brightness detection module 230 is specifically referred to shown in fig. 7
The detailed description of step S103.That is, step S103 can be executed by the environmental light brightness detection module 230.
The predetermined luminance range choose module 240 for select brightness range corresponding with the environmental light brightness as
The predetermined luminance range.
In the present embodiment, brightness range corresponding with varying environment brightness is stored in the display equipment 100.About
The description that the predetermined luminance range chooses module 240 specifically refers to the detailed description to step S104 shown in fig. 7,
It is executed that is, step S104 can choose module 240 by the predetermined luminance range.
In conclusion brightness adjusting method provided in an embodiment of the present invention, device and display equipment 100, can according to
The brightness for playing image adjusts the display brightness that display equipment 100 is presented to spectators to predetermined luminance range, to reduce aobvious
Show brightness change amplitude when equipment 100 plays image, achievees the effect that protect spectators' eyesight.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of brightness adjusting method characterized by comprising
Obtain the brightness of the image to be played after the currently playing image of display equipment；And
The backlight illumination for adjusting the display equipment in the following manner, makes backlight illumination adjusted and the image to be played
Brightness superposition after obtained display brightness in predetermined luminance range:
Additive operation is done to the brightness of a benchmark display brightness and the image to be played, obtains playing the image institute to be played
The backlight illumination needed, the benchmark display brightness is in predetermined luminance range；The backlight illumination of the display equipment is adjusted to
Backlight illumination needed for playing the image to be played；Alternatively,
Detect the current back facet current value of the display equipment；Calculate make it is described display equipment backlight illumination with it is described to be played
The display brightness obtained after the brightness superposition of image back facet current range required in the predetermined luminance range；Described aobvious
When showing the current back facet current value of equipment not within the scope of the back facet current, the big of the back facet current of the display equipment is adjusted
It is small, make the back facet current value of the display equipment within the scope of the back facet current.
2. brightness adjusting method according to claim 1, which is characterized in that the back facet current of the adjustment display equipment
Size makes step of the back facet current value of the display equipment within the scope of the back facet current, comprising:
The size that the back facet current of the display equipment is adjusted according to pre-set velocity makes the back facet current value of the display equipment exist
Within the scope of the back facet current.
3. brightness adjusting method according to claim 1, which is characterized in that be stored with and different rings in the display equipment
The corresponding brightness range of border brightness, before the step of adjusting the backlight illumination of the display equipment, the method also includes:
Detect current environmental light brightness；And
Select brightness range corresponding with the environmental light brightness as the predetermined luminance range.
4. brightness adjusting method described in any one of -3 according to claim 1, which is characterized in that the image to be played is
Nth frame image after the currently playing image of the display equipment.
5. brightness adjusting method according to claim 4, which is characterized in that described to obtain the currently playing figure of display equipment
The step of brightness of image to be played as after, comprising:
Obtain the nth frame image after the currently playing image of display equipment；
Calculate the average bright of the average brightness of all odd-line pixels points and all even rows point in the nth frame image
Degree, obtains two average brightness；And
Calculate brightness of the average value of described two average brightness as the nth frame image.
6. brightness adjusting method according to claim 5, which is characterized in that the image to be played is the display equipment
First frame image after currently playing image.
7. brightness adjusting method according to claim 1, which is characterized in that the method also includes:
Detect whether vision signal to be played is the video type for needing to carry out brightness regulation, is stored in the display equipment
Need to carry out the video type of brightness regulation；And
When the vision signal to be played is to need to carry out the video type of brightness regulation, to included by the vision signal
The display brightness of image be adjusted.
8. a kind of brightness regulating apparatus characterized by comprising
Brightness of image obtains module, for obtaining the brightness of the image to be played after showing the currently playing image of equipment；With
And
Luminance adjustment module keeps backlight adjusted bright for adjusting the backlight illumination of the display equipment in the following manner
The display brightness that degree obtains after being superimposed with the brightness of the image to be played is in predetermined luminance range:
Additive operation is done to the brightness of a benchmark display brightness and the image to be played, obtains playing the image institute to be played
The backlight illumination needed, the benchmark display brightness is in predetermined luminance range；The backlight illumination of the display equipment is adjusted to
Backlight illumination needed for playing the image to be played；Alternatively,
Detect the current back facet current value of the display equipment；Calculate make it is described display equipment backlight illumination with it is described to be played
The display brightness obtained after the brightness superposition of image back facet current range required in the predetermined luminance range；Described aobvious
When showing the current back facet current value of equipment not within the scope of the back facet current, the big of the back facet current of the display equipment is adjusted
It is small, make the back facet current value of the display equipment within the scope of the back facet current.
9. brightness regulating apparatus according to claim 8, which is characterized in that be stored with and different rings in the display equipment
The corresponding brightness range of border brightness, the brightness regulating apparatus further include:
Environmental light brightness detection module, for detecting current environmental light brightness；And
Predetermined luminance range choose module, for select brightness range corresponding with the environmental light brightness as it is described preset it is bright
Spend range.
10. a kind of display equipment, which is characterized in that including memory and processor；
The memory is for storing program；
The processor executes any one of claim 1-7 institute for calling the program of storage in the memory
The method stated.
11. display equipment according to claim 10, which is characterized in that the display equipment offers through-hole, described logical
It is provided at hole and is electrically connected optical sensor with the processor, the optical sensor is used to acquire the display equipment
Backlight illumination.
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| CN201611181306.7A CN106782344B (en) | 2016-12-20 | 2016-12-20 | Brightness adjusting method, device and display equipment |
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| CN107437402B (en) * | 2017-06-07 | 2019-09-06 | 微鲸科技有限公司 | Method for controlling backlight thereof, device and display equipment |
| CN107134272B (en) * | 2017-06-26 | 2020-01-07 | 上海斐讯数据通信技术有限公司 | Screen display control method and system and computer processing equipment |
| CN107396013A (en) * | 2017-08-22 | 2017-11-24 | 深圳创维－Rgb电子有限公司 | Television set, the method for adjustment and device of television set display effect |
| TWM553533U (en) * | 2017-09-14 | 2017-12-21 | 宏正自動科技股份有限公司 | Dongle and video matrix switch |
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| CN101686590B (en) * | 2008-09-27 | 2013-01-30 | 比亚迪股份有限公司 | LED dynamic backlight source control algorithm |
| CN104240678B (en) * | 2013-06-17 | 2017-12-29 | 华为终端（东莞）有限公司 | Adjust the method and apparatus and terminal of screen backlight brightness |
| CN104050934B (en) * | 2014-05-28 | 2016-03-23 | 京东方科技集团股份有限公司 | Backlight adjusting method, backlight regulating system and display device |
| US9620081B2 (en) * | 2014-09-04 | 2017-04-11 | Apple Inc. | Hardware auxiliary channel for synchronous backlight update |
| CN106205508A (en) * | 2016-09-22 | 2016-12-07 | 昆山龙腾光电有限公司 | Backlight adjusting method and backlight adjusting means for liquid crystal indicator |
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