CN104299582B - backlight adjusting method and device - Google Patents
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- CN104299582B CN104299582B CN201410503194.7A CN201410503194A CN104299582B CN 104299582 B CN104299582 B CN 104299582B CN 201410503194 A CN201410503194 A CN 201410503194A CN 104299582 B CN104299582 B CN 104299582B
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Abstract
The invention relates to a backlight adjusting method and device and belongs to the technical field of display. The backlight adjusting method comprises the steps that light, with a predetermined light intensity value, emitted by the backlight corresponding to each zone in a screen is controlled; the actual light intensity value corresponding to each zone is obtained through a light sensor; if the obtained actual light intensity values are not equal, at least one actual light intensity value except the smallest actual light intensity value is determined; the backlight corresponding to the at least one actual light intensity value is controlled to emit light with the light intensity value smaller than the predetermined light intensity value, so that the actual light intensity values obtained by the light sensor again are equal. The backlight adjusting device comprises a first control module, a light intensity obtaining module, a light intensity determining module and a second control module. By the adoption of the backlight adjusting method and device, the problem that the display effect of a liquid crystal display is poor due to light leakage of the screen is solved, and the purpose of improving the display effect of the liquid crystal displayer is realized.
Description
Technical field
It relates to display technology field, particularly to a kind of backlight adjusting method and device.
Background technology
In present day society, liquid crystal display has had become as the important component part in our lives.It is often necessary to
Backlight is arranged to liquid crystal display, with the display brightness of adjustable liquid crystal display display.
Under the stronger environment of light, liquid crystal display easily produces direct reflection, needs increase backlight illumination just can make
Obtain the content that user sees display on liquid crystal display clearly；Under the weaker environment of light, excessive backlight illumination leads to terminal again
The increase of energy consumption, needs to reduce backlight illumination.
Publisher, during realizing the disclosure, finds at least there is following defect in correlation technique: work as liquid crystal display
When there is gap between the screen of device and backboard frame, screen edge light leak, the display effect of impact liquid crystal display can be led to.
Content of the invention
For solving the problems, such as to lead to liquid crystal display display effect not good due to screen light leak, present disclose provides a kind of back of the body
Light method of adjustment and device.
According to the embodiment of the present disclosure in a first aspect, providing a kind of backlight adjusting method, methods described is applied to including liquid
In the terminal of crystal display, comprising:
The corresponding backlight of each subregion in the screen of described liquid crystal display is controlled to send the light of predetermined light intensity value；
The corresponding actual light intensity value of each subregion is obtained by light sensor, described light sensor is arranged on described end
In end；
If each actual light intensity value obtaining does not wait it is determined that at least one in addition to minimum actual light intensity value is actual
Light intensity value；
Control the described corresponding backlight of at least one actual light intensity value to send light less than described predetermined light intensity value so that
Each actual light intensity value that described light sensor obtains again is equal.
Optionally, in described control screen, the corresponding backlight of each subregion sends the light of predetermined light intensity value, comprising:
When starting described screen, show pure color picture on the screen；
The corresponding backlight of each subregion in described screen is controlled to send the light of largest light intensity value, each backlight is corresponding
Largest light intensity value is identical.
Optionally, described light sensor is located at the side of subregion corresponding with described light sensor and described screen coincident
On.
Optionally, the corresponding backlight of at least one actual light intensity value described in described control sends less than described predetermined light intensity
The light of value, comprising:
For each actual light intensity value, calculate the difference that described actual light intensity value deducts the actual light intensity value of described minimum,
The numerical value that described predetermined light intensity value is deducted described difference is defined as adjusting light intensity value；
Backlight corresponding with described actual light intensity value is controlled to send the light of described adjusting light intensity value.
According to the second aspect of the embodiment of the present disclosure, provide a kind of backlight regulation apparatus, described device is applied to including liquid
In the terminal of crystal display, comprising:
First control module, is configured to the corresponding backlight of each subregion in the screen control described liquid crystal display and sends out
Go out the light of predetermined light intensity value；
Light intensity acquisition module, is configured to light sensor and obtains the corresponding actual light intensity value of each subregion, described
Light sensor is arranged in described terminal；
Light intensity determining module, is configured to the corresponding actual light intensity value of each subregion that described light intensity acquisition module is obtained
It is compared, if each actual light intensity value obtaining does not wait it is determined that at least one in addition to minimum actual light intensity value is real
Border light intensity value；
Second control module, is configured at least one actual light intensity value described controlling described light intensity determining module to determine
Corresponding backlight sends light less than described predetermined light intensity value so that each actual light of obtaining again of described light sensor
Intensity values are equal.
Optionally, described first control module, comprising:
Picture display sub-module, is configured to, when starting described screen, show pure color picture on the screen；
First control submodule, is configured to control the corresponding backlight of each subregion in described screen to send largest light intensity
The light of value, each backlight corresponding largest light intensity value is identical.
Optionally, described light sensor is located at the side of subregion corresponding with described light sensor and described screen coincident
On.
Optionally, described second control module, comprising:
Numerical value determination sub-module, is configured to for each actual light intensity value, the described actual light intensity value of calculating deducts described
The difference of minimum actual light intensity value, the numerical value that described predetermined light intensity value is deducted described difference is defined as adjusting light intensity value；
Second control submodule, is configured to control backlight corresponding with described actual light intensity value that to send described light intensity true
The light of the described adjusting light intensity value that stator modules determine.
According to the third aspect of the embodiment of the present disclosure, provide a kind of backlight regulation apparatus, described device is applied to including liquid
In the terminal of crystal display, comprising:
Processor；
For storing the memorizer of processor executable；
Wherein, described processor is configured to:
The corresponding backlight of each subregion in the screen of described liquid crystal display is controlled to send the light of predetermined light intensity value；
The corresponding actual light intensity value of each subregion is obtained by light sensor, described light sensor is arranged on described end
In end；
If each actual light intensity value obtaining does not wait it is determined that at least one in addition to minimum actual light intensity value is actual
Light intensity value；
Control the described corresponding backlight of at least one actual light intensity value to send light less than described predetermined light intensity value so that
Each actual light intensity value that described light sensor obtains again is equal.
The technical scheme that embodiment of the disclosure provides can include following beneficial effect:
Send the light of predetermined light intensity value by the corresponding backlight of each subregion in control screen；Obtained by light sensor
Take the corresponding actual light intensity value of each subregion；If each actual light intensity value obtaining does not wait the actual light intensity it is determined that except minimum
At least one actual light intensity value outside value；The corresponding backlight of at least one actual light intensity value is controlled to send less than predetermined light intensity
The light of value, so that each actual light intensity value of obtaining again of light sensor is equal, can lead to the reality of subregion in screen light leak
When border light intensity value is larger, reduce the light intensity value of light that backlight sends, thus reducing the actual light intensity value of subregion so that each point
The actual light intensity value in area is equal, solves the problems, such as to lead to liquid crystal display display effect not good due to screen light leak, reaches
Improve the purpose of liquid crystal display display effect.
It should be appreciated that above general description and detailed description hereinafter are only exemplary, can not be limited this
Open.
Brief description
Accompanying drawing herein is merged in description and constitutes the part of this specification, shows the enforcement meeting the disclosure
Example, and be used for together explaining this principle in description.
Fig. 1 is a kind of flow chart of the backlight adjusting method according to an exemplary embodiment.
Fig. 2 is a kind of flow chart of the backlight adjusting method implementing to exemplify according to another exemplary.
Fig. 3 is a kind of distribution schematic diagram of the light sensor implementing to exemplify according to another exemplary.
Fig. 4 is a kind of block diagram of the backlight regulation apparatus according to an exemplary embodiment.
Fig. 5 is a kind of block diagram of the backlight regulation apparatus according to an exemplary embodiment.
Fig. 6 is a kind of block diagram of the device for backlight adjustment according to an exemplary embodiment.
Specific embodiment
Here will in detail exemplary embodiment be illustrated, its example is illustrated in the accompanying drawings.Explained below is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, the disclosure.
Fig. 1 is a kind of flow chart of the backlight adjusting method according to an exemplary embodiment, this backlight adjusting method
It is applied in terminal, as shown in figure 1, this backlight adjusting method comprises the following steps.
In a step 101, in control screen, the corresponding backlight of each subregion sends the light of predetermined light intensity value.
Piecemeal is carried out to the screen of liquid crystal display, the every piece of region obtaining is referred to as a subregion of screen.Wherein, each
Subregion corresponds to a backlight, and each backlight can adjust the light intensity value of the light that it is sent.
In the present embodiment, the corresponding backlight of each subregion can be controlled to send the light of predetermined light intensity value, this predetermined light intensity
Value is the light intensity value being set according to practical situation, such as, the largest light intensity value that backlight can send.
In a step 102, the corresponding actual light intensity value of each subregion is obtained by light sensor.
Light sensor can sense the power of light, the light intensity value obtaining is defined as the actual light intensity of corresponding subregion
Value.
In step 103, if each actual light intensity value obtaining does not wait it is determined that in addition to minimum actual light intensity value
At least one actual light intensity value.
Minimum actual light intensity value refers to the minimum light intensity value of light intensity value in each actual light intensity value that light sensor obtains.
Due to screen light leak lead to the external world light enter screen, this make the subregion of light leak actual light intensity value often big
In the actual light intensity value of other lighttight subregions, it is thus necessary to determine that the actual light intensity value going out which subregion is larger, thus right
The light intensity value of the light that the backlight of these subregions sends is adjusted.
At step 104, the corresponding backlight of at least one actual light intensity value is controlled to send light less than predetermined light intensity value,
Make each actual light intensity value that light sensor obtains again equal.
So that the actual light intensity value of each subregion is equal, need to control the corresponding backlight of at least one actual light intensity value
Lamp sends the light less than predetermined light intensity value.
In sum, the backlight adjusting method that the disclosure provides, by the corresponding backlight of each subregion in control screen
Send the light of predetermined light intensity value；The corresponding actual light intensity value of each subregion is obtained by light sensor；If each obtaining is real
Border light intensity value does not wait at least one actual light intensity value it is determined that in addition to minimum actual light intensity value；Control at least one real
Light intensity value corresponding backlight in border sends light less than predetermined light intensity value so that each actual light of obtaining again of light sensor
Intensity values are equal, when the actual light intensity value that screen light leak leads to subregion is larger, can reduce the light intensity value of the light that backlight sends,
Thus reducing the actual light intensity value of subregion so that the actual light intensity value of each subregion is equal, solving and being led to due to screen light leak
The not good problem of liquid crystal display display effect, has reached the purpose improving liquid crystal display display effect.
Fig. 2 is a kind of flow chart of the backlight adjusting method implementing to exemplify according to another exemplary, this backlight adjustment side
Method is applied in terminal, as shown in Fig. 2 this backlight adjusting method comprises the steps.
In step 201, when starting screen, pure color picture is shown on screen, in control screen, each subregion corresponds to
Backlight send the light of largest light intensity value, each backlight corresponding largest light intensity value is identical.
Piecemeal is carried out to the screen of liquid crystal display, the every piece of region obtaining is referred to as a subregion of screen.Such as, permissible
Screen is carried out piecemeal according to 4 × 4, obtains 16 subregions；Or, screen is carried out piecemeal according to 5 × 5, obtain 25 subregions.Need
It is noted that when subregion is more, the light intensity value that each subregion is recorded is more accurate.
Wherein, each subregion corresponds to a backlight, and each backlight can adjust the light intensity of the light that it is sent
Value.When screen light leak, extraneous light can enter screen, leads to the light intensity value of the subregion of light leak to increase, therefore, terminal is permissible
Determine the subregion of light leak according to light intensity value.When determining the subregion of light leak, need to ensure the light intensity that each backlight is sent
Value is identical, i.e. terminal needs the corresponding backlight of each subregion in control screen to send the light of predetermined light intensity value.
Wherein, in control screen, the corresponding backlight of each subregion sends the light of predetermined light intensity value, comprising: starting screen
When, pure color picture is shown on screen；In control screen, the corresponding backlight of each subregion sends the light of largest light intensity value, each
Backlight corresponding largest light intensity value is identical.
In order to be accurately determined the subregion of light leak, when starting screen, a pure color can be shown on screen
Picture, this pure color picture is the single picture of color so that the impact of the light intensity value to all subregions for this picture is identical.In reality
In application, pure color picture can be set to black picture.
Predetermined light intensity value is the light intensity value according to practical situation setting, such as, the largest light intensity value that backlight can send.
Certainly, predetermined light intensity value can also be other light intensity values, and the present embodiment is not construed as limiting.When predetermined light intensity value is set to backlight
During the largest light intensity value that can send, terminal can control the corresponding backlight of each subregion to send the light of largest light intensity value, and
Each backlight corresponding largest light intensity value is identical.
It should be noted that backlight can be by level adjusting light intensity value.Such as, be previously stored with terminal light intensity series with
The mapping table of light intensity value, when needing for backlight to be adjusted to largest light intensity value it is only necessary to backlight is adjusted to maximum series
?.The quantity of the light intensity series of backlight can set according to practical situation, such as, can be by the light sending of backlight
Range of light intensity is divided into 4095 grades, and every one-level corresponds to a light intensity value.
In step 202., the corresponding actual light intensity value of each subregion is obtained by light sensor.
When being shown that black picture and screen not light leak in screen, the actual light intensity value of each subregion is equal to this subregion
The light intensity value of light that sent of backlight, that is, actual light intensity value is predetermined light intensity value.When screen light leak, the light meeting in the external world
Enter screen, the actual light intensity value of the subregion of light leak is simultaneously not equal to the light intensity value of the light that the backlight of this subregion is sent, therefore,
Terminal also needs to the actual light intensity value of each subregion is obtained.In the present embodiment, terminal can be obtained by light sensor
Take the actual light intensity value of each subregion.
Wherein, terminal can install a light sensor to each subregion in screen, or, terminal can be to side in screen
Each subregion in edge region installs a light sensor, and now, light sensor is located at corresponding with this light sensor point
On the side of area and screen coincident.When some subregion and screen have a line and overlap, can arrange on the side of this coincidence
Light sensor；When some subregion and screen have two sides and overlap, can arbitrarily select one in two sides overlapping
Bar side, is selecting in upper setting light sensor it is also possible to all arrange light sensor in two overlapping, to carry
The high detection sensitivity to light intensity value.
The present embodiment to illustrate distribution on screen for the light sensor taking 4 × 4 subregions as a example, refer to shown in Fig. 3
The distribution schematic diagram of light sensor.In Fig. 3,4 × 4 subregions screen into 16 subregions, by this 16 subregions according to from
Left-to-right, order from top to bottom is numbered, then with the presence of 12 subregions at least one while with screen while overlap, this 12
The numbering of subregion is respectively 1,2,3,4,5,8,9,12,13,14,15,16.Because light sensor is located at subregion and screen coincident
Side on, and to number be that 2,3,5,8,9,12,14,15 subregion is respectively present a line and is overlapped with the side of screen, therefore, numbering
One light sensor of each correspondence of subregion for 2,3,5,8,9,12,14,15, the numbering of corresponding light sensor be respectively b,
c、o、f、n、g、k、j.Numbering is 1,4,13,16 subregion be respectively present two while with screen while overlap, at this point it is possible to every
In any a line in the side of individual two coincidences of subregion, a light sensor is set, i.e. numbering is 1,4,13,16 subregion
Each one light sensor of correspondence；The side that can also overlap in the two of each subregion arranges a light sensor, i.e. compile
Number for 1,4,13,16 two light sensors of each correspondence of subregion, numbering be 1 subregion reference numeral be a and p light level
Device, numbering be 4 subregion reference numeral be d and e light sensor, numbering be 13 subregion reference numeral be m and l light
Sensor, numbering be 16 subregion reference numeral be h and i light sensor.Numbering is 6,7,10,11 subregion and screen
Side does not overlap, and therefore, numbering is 6,7,10,11 subregion does not have corresponding light sensor.
In step 203, if each actual light intensity value obtaining does not wait it is determined that in addition to minimum actual light intensity value
At least one actual light intensity value.
Terminal can compare the size of the corresponding actual light intensity value of each subregion obtaining, if each subregion obtaining corresponds to
Actual light intensity value equal in magnitude it is determined that screen not light leak, terminate flow process；If each actual light intensity value obtaining,
Then determine screen light leak.Because the actual light intensity value of the subregion of light leak is larger, hence, it can be determined that except minimum actual light intensity value
Outside the subregion light leak corresponding to other actual light intensity values.
In step 204, the corresponding backlight of at least one actual light intensity value is controlled to send light less than predetermined light intensity value,
Make each actual light intensity value that light sensor obtains again equal.
After the subregion determining light leak, terminal can reduce the light intensity of the light that the backlight of these subregions is sent
Value, thus reducing the actual light intensity value of these subregions, improves Showing Effectiveness On Screen.
When reducing the light intensity value of the light that backlight is sent, because the light leak situation of different subregions is different, therefore, need
The adjusting light intensity value of this subregion is calculated so that backlight is sent with this adjusting light intensity value according to the actual light intensity value of each subregion
Light time, each actual light intensity value that light sensor obtains again is equal, and this adjusting light intensity value is that predetermined light intensity value is adjusted
The light intensity value obtaining after whole.
In the present embodiment, the corresponding backlight of at least one actual light intensity value is controlled to send light less than predetermined light intensity value,
Including:
1) for each actual light intensity value, calculate the difference that actual light intensity value deducts the actual light intensity value of minimum, will make a reservation for
The numerical value that light intensity value deducts difference is defined as adjusting light intensity value；
2) backlight corresponding with actual light intensity value is controlled to send the light of adjusting light intensity value.
Because minimum actual light intensity value is the actual light intensity value of lighttight subregion, therefore, terminal needs each point
The actual light intensity value in area is adjusted to this minimum actual light intensity value.Such as, the actual light intensity value determined can be deducted by terminal
Minimum actual light intensity value, the difference obtaining is defined as the light intensity value of the light that backlight needs reduce, then by predetermined light intensity value
Deduct this difference, be adjusted light intensity value.
In order to make it easy to understand, the present embodiment will be with predetermined light intensity value for largest light intensity value, and to upper taking 4 × 4 subregions as a example
State method of adjustment illustrate it assumes that light sensor acquire numbering be 2,3,4,5,8,9,12,13,14,15,16 point
The actual light intensity value in area is m, and m that is to say the actual light intensity value of minimum, and the actual light intensity value numbering the subregion being 1 is p (p ＞
M), now can determine the subregion light leak that numbering is 1, numbering is the light intensity of 1 light of subregion corresponding backlight needs reduction
It is worth for p-m it is assumed that largest light intensity value is l, then the adjusting light intensity value that can calculate the subregion that numbering is 1 is l- (p-m), controls
Numbering is that the 1 corresponding backlight of subregion sends the light of l- (p-m) so that light sensor to numbering be again 1 point
The actual light intensity value that area obtains is m, so that the actual light intensity value of all subregions is equal.Wherein, control the subregion that numbering is 1
Corresponding backlight sends the light of l- (p-m), can find light level corresponding with light intensity value l- (p-m) in the mapping table
Number, adjustment backlight sends the corresponding light of this series.
In sum, the backlight adjusting method that the disclosure provides, by the corresponding backlight of each subregion in control screen
Send the light of predetermined light intensity value；The corresponding actual light intensity value of each subregion is obtained by light sensor；If each obtaining is real
Border light intensity value does not wait at least one actual light intensity value it is determined that in addition to minimum actual light intensity value；Control at least one real
Light intensity value corresponding backlight in border sends light less than predetermined light intensity value so that each actual light of obtaining again of light sensor
Intensity values are equal, when the actual light intensity value that screen light leak leads to subregion is larger, can reduce the light intensity value of the light that backlight sends,
Thus reducing the actual light intensity value of subregion so that the actual light intensity value of each subregion is equal, solving and being led to due to screen light leak
The not good problem of liquid crystal display display effect, has reached the purpose improving liquid crystal display display effect.
In addition, when passing through to start screen, show pure color picture on screen, and the corresponding back of the body of each subregion in control screen
Light lamp sends the light of numerical value identical largest light intensity value, can reduce the error rate of the subregion finding light leak, improves and searches light leak
Subregion sensitivity.
Fig. 4 is a kind of block diagram of the backlight regulation apparatus according to an exemplary embodiment, and this backlight regulation apparatus should
For in terminal, as shown in figure 4, this backlight regulation apparatus includes: the first control module 410, light intensity acquisition module 420, light intensity
Determining module 430 and the second control module 440.
This first control module 410, is configured to the corresponding backlight of each subregion in control screen and sends predetermined light intensity
The light of value；
This light intensity acquisition module 420, is configured to light sensor and obtains the corresponding actual light intensity value of each subregion；
This light intensity determining module 430, is configured to the corresponding actual light of each subregion that light intensity acquisition module 420 is obtained
Intensity values are compared, if each actual light intensity value obtaining not wait it is determined that in addition to minimum actual light intensity value at least one
Individual actual light intensity value；
This second control module 440, is configured at least one actual light intensity value controlling light intensity determining module 430 to determine
Corresponding backlight sends light less than predetermined light intensity value so that each actual light intensity value phase of obtaining again of light sensor
Deng.
In sum, the backlight regulation apparatus that the disclosure provides, by the corresponding backlight of each subregion in control screen
Send the light of predetermined light intensity value；The corresponding actual light intensity value of each subregion is obtained by light sensor；If each obtaining is real
Border light intensity value does not wait at least one actual light intensity value it is determined that in addition to minimum actual light intensity value；Control at least one real
Light intensity value corresponding backlight in border sends light less than predetermined light intensity value so that each actual light of obtaining again of light sensor
Intensity values are equal, when the actual light intensity value that screen light leak leads to subregion is larger, can reduce the light intensity value of the light that backlight sends,
Thus reducing the actual light intensity value of subregion so that the actual light intensity value of each subregion is equal, solving and being led to due to screen light leak
The not good problem of liquid crystal display display effect, has reached the purpose improving liquid crystal display display effect.
Fig. 5 is a kind of block diagram of the backlight regulation apparatus according to an exemplary embodiment, and this backlight regulation apparatus should
For in terminal, as shown in figure 5, this backlight regulation apparatus includes: the first control module 410, light intensity acquisition module 420, light intensity
Determining module 430 and the second control module 440.
This first control module 410, is configured to the corresponding backlight of each subregion in control screen and sends predetermined light intensity
The light of value；
This light intensity acquisition module 420, is configured to light sensor and obtains the corresponding actual light intensity value of each subregion；
This light intensity determining module 430, is configured to the corresponding actual light of each subregion that light intensity acquisition module 420 is obtained
Intensity values are compared, if each actual light intensity value obtaining not wait it is determined that in addition to minimum actual light intensity value at least one
Individual actual light intensity value；
This second control module 440, is configured at least one actual light intensity value controlling light intensity determining module 430 to determine
Corresponding backlight sends light less than predetermined light intensity value so that each actual light intensity value phase of obtaining again of light sensor
Deng.
Optionally, the first control module 410, comprising: picture display sub-module 411 and the first control submodule 412；
This picture display sub-module 411, is configured to, when starting screen, show pure color picture on screen；
This first control submodule 412, is configured to the corresponding backlight of each subregion in control screen and sends maximum light
The light of intensity values, each backlight corresponding largest light intensity value is identical.
Optionally, light sensor is located on subregion corresponding with light sensor and the side of screen coincident.
Optionally, the second control module 440, comprising: numerical value determination sub-module 441 and the second control submodule 442；
This numerical value determination sub-module 441, is configured to for each actual light intensity value, calculates actual light intensity value and deducts minimum
Actual light intensity value difference, the numerical value that predetermined light intensity value is deducted difference is defined as adjusting light intensity value；
This second control submodule 442, is configured to control backlight corresponding with actual light intensity value to send numerical value determination
The light of the adjusting light intensity value that submodule 441 determines.
In sum, the backlight regulation apparatus that the disclosure provides, by the corresponding backlight of each subregion in control screen
Send the light of predetermined light intensity value；The corresponding actual light intensity value of each subregion is obtained by light sensor；If each obtaining is real
Border light intensity value does not wait at least one actual light intensity value it is determined that in addition to minimum actual light intensity value；Control at least one real
Light intensity value corresponding backlight in border sends light less than predetermined light intensity value so that each actual light of obtaining again of light sensor
Intensity values are equal, when the actual light intensity value that screen light leak leads to subregion is larger, can reduce the light intensity value of the light that backlight sends,
Thus reducing the actual light intensity value of subregion so that the actual light intensity value of each subregion is equal, solving and being led to due to screen light leak
The not good problem of liquid crystal display display effect, has reached the purpose improving liquid crystal display display effect.
In addition, when passing through to start screen, show pure color picture on screen, and the corresponding back of the body of each subregion in control screen
Light lamp sends the light of numerical value identical largest light intensity value, can reduce the error rate of the subregion finding light leak, improves and searches light leak
The sensitivity of subregion.
With regard to the device in above-described embodiment, wherein the concrete mode of modules execution operation is in relevant the method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
Fig. 6 is a kind of block diagram of the device 600 for backlight adjustment according to an exemplary embodiment.For example, fill
Putting 600 can be mobile phone, computer, digital broadcast terminal, messaging devices, game console, tablet device, medical treatment
Equipment, body-building equipment, personal digital assistant etc..
With reference to Fig. 6, device 600 can include following one or more assemblies: process assembly 602, memorizer 604, power supply
Assembly 606, multimedia groupware 608, audio-frequency assembly 610, the interface 612 of input/output (i/o), sensor cluster 614, and
Communication component 616.
The integrated operation of the usual control device 600 of process assembly 602, such as with display, call, data communication, phase
Machine operation and record operate associated operation.Process assembly 602 can include one or more processors 618 and refer to execute
Order, to complete all or part of step of above-mentioned method.Additionally, process assembly 602 can include one or more modules, just
Interaction between process assembly 602 and other assemblies.For example, process assembly 602 can include multi-media module, many to facilitate
Interaction between media component 608 and process assembly 602.
Memorizer 604 is configured to store various types of data to support the operation in device 600.The showing of these data
Example includes the instruction for any application program of operation or method on device 600, contact data, telephone book data, disappears
Breath, picture, video etc..Storage 604 can be by any kind of volatibility or non-volatile memory device or combinations thereof
Realize, such as static RAM (sram), Electrically Erasable Read Only Memory (eeprom), erasable programmable
Read only memory (eprom), programmable read only memory (prom), read only memory (rom), magnetic memory, flash memory,
Disk or CD.
Power supply module 606 provides electric power for the various assemblies of device 600.Power supply module 606 can include power management system
System, one or more power supplys, and other generate, manage and distribute, with for device 600, the assembly that electric power is associated.
Multimedia groupware 608 includes the screen of one output interface of offer between device 600 and user.Real at some
Apply in example, screen can include liquid crystal display (lcd) and touch panel (tp).If screen includes touch panel, screen can
To be implemented as touch screen, to receive the input signal from user.Touch panel include one or more touch sensors with
Gesture on sensing touch, slip and touch panel.Described touch sensor can not only sensing touch or sliding action side
Boundary, but also the detection persistent period related to described touch or slide and pressure.In certain embodiments, multimedia group
Part 608 includes a front-facing camera and/or post-positioned pick-up head.When device 600 is in operator scheme, such as screening-mode or video
During pattern, front-facing camera and/or post-positioned pick-up head can receive outside multi-medium data.Each front-facing camera and rearmounted
Photographic head can be the optical lens system of a fixation or have focusing and optical zoom capabilities.
Audio-frequency assembly 610 is configured to output and/or input audio signal.For example, audio-frequency assembly 610 includes a Mike
Wind (mic), when device 600 is in operator scheme, during as call model, logging mode and speech recognition mode, mike is joined
It is set to reception external audio signal.The audio signal being received can be further stored in memorizer 604 or via communication set
Part 616 sends.In certain embodiments, audio-frequency assembly 610 also includes a speaker, for exports audio signal.
, for providing interface between process assembly 602 and peripheral interface module, above-mentioned peripheral interface module can for i/o interface 612
To be keyboard, click wheel, button etc..These buttons may include but be not limited to: home button, volume button, start button and lock
Determine button.
Sensor cluster 614 includes one or more sensors, for providing the state of various aspects to comment for device 600
Estimate.For example, sensor cluster 614 can detect/the closed mode of opening of device 600, and the relative localization of assembly is for example described
Assembly is display and the keypad of device 600, and sensor cluster 614 can be with detection means 600 or 600 1 assemblies of device
Position change, user is presence or absence of with what device 600 contacted, device 600 orientation or acceleration/deceleration and device 600
Temperature change.Sensor cluster 614 can include proximity transducer, is configured to the detection when not having any physical contact
The presence of object nearby.Sensor cluster 614 can also include optical sensor, such as cmos or ccd imageing sensor, for becoming
Use as in application.In certain embodiments, this sensor cluster 614 can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure transducer or temperature sensor.
Communication component 616 is configured to facilitate the communication of wired or wireless way between device 600 and other equipment.Device
600 can access the wireless network based on communication standard, such as wifi, 2g or 3g, or combinations thereof.In an exemplary enforcement
In example, communication component 616 receives broadcast singal or the broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, described communication component 616 also includes near-field communication (nfc) module, to promote junction service.Example
As, RF identification (rfid) technology can be based in nfc module, Infrared Data Association (irda) technology, ultra broadband (uwb) technology,
Bluetooth (bt) technology and other technologies are realizing.
In the exemplary embodiment, device 600 can be by one or more application specific integrated circuits (asic), numeral letter
Number processor (dsp), digital signal processing appts (dspd), PLD (pld), field programmable gate array
(fpga), controller, microcontroller, microprocessor or other electronic components are realized, for executing said method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instruction, example are additionally provided
As included the memorizer 604 instructing, above-mentioned instruction can be executed by the processor 618 of device 600 to complete said method.For example,
Described non-transitorycomputer readable storage medium can be rom, random access memory (ram), cd-rom, tape, floppy disk
With optical data storage devices etc..
Those skilled in the art, after considering description and putting into practice disclosure herein, will readily occur to this other enforcements
Scheme.The application is intended to this any modification, purposes or adaptations, and these modifications, purposes or adaptability become
Change the general principle following this and include the undocumented common knowledge in the art of the disclosure or conventional techniques.
Description and embodiments are considered only as exemplary, and this true scope and spirit are pointed out by claim below.
It should be appreciated that the disclosure is not limited to be described above and precision architecture illustrated in the accompanying drawings, and
And various modifications and changes can carried out without departing from the scope.The scope of the present disclosure only to be limited by appended claim.
Claims (9)
1. a kind of backlight adjusting method is it is characterised in that methods described is applied to including in the terminal of liquid crystal display, comprising:
The corresponding backlight of each subregion in the screen of described liquid crystal display is controlled to send the light of predetermined light intensity value；
The corresponding actual light intensity value of each subregion is obtained by light sensor, described light sensor is arranged on described terminal
In；
If each actual light intensity value obtaining does not wait at least one actual light intensity it is determined that in addition to minimum actual light intensity value
Value；
The described corresponding backlight of at least one actual light intensity value is controlled to send light less than described predetermined light intensity value so that described
Each actual light intensity value that light sensor obtains again is equal.
2. method according to claim 1 it is characterised in that in described control screen the corresponding backlight of each subregion send out
Go out the light of predetermined light intensity value, comprising:
When starting described screen, show pure color picture on the screen；
The corresponding backlight of each subregion in described screen is controlled to send the light of largest light intensity value, the corresponding maximum of each backlight
Light intensity value is identical.
3. method according to claim 1 is it is characterised in that described light sensor is located at and described light sensor pair
On the subregion answered and the side of described screen coincident.
4. the method according to any one of claims 1 to 3 is it is characterised in that at least one actual light described in described control
The corresponding backlight of intensity values sends the light less than described predetermined light intensity value, comprising:
For each actual light intensity value, calculate the difference that described actual light intensity value deducts the actual light intensity value of described minimum, by institute
State predetermined light intensity value and deduct the numerical value of described difference and be defined as adjusting light intensity value；
Backlight corresponding with described actual light intensity value is controlled to send the light of described adjusting light intensity value.
5. a kind of backlight regulation apparatus are it is characterised in that described device is applied to including in the terminal of liquid crystal display, comprising:
First control module, be configured to the corresponding backlight of each subregion in the screen control described liquid crystal display send pre-
Determine the light of light intensity value；
Light intensity acquisition module, is configured to light sensor and obtains the corresponding actual light intensity value of each subregion, described light
Sensor is arranged in described terminal；
Light intensity determining module, the corresponding actual light intensity value of each subregion being configured to described light intensity acquisition module is obtained is carried out
Relatively, if each actual light intensity value obtaining does not wait at least one the actual light it is determined that in addition to minimum actual light intensity value
Intensity values；
Second control module, is configured to control at least one actual light intensity value described that described light intensity determining module determines to correspond to
Backlight send light less than described predetermined light intensity value so that each actual light intensity value of obtaining again of described light sensor
Equal.
6. device according to claim 5 is it is characterised in that described first control module, comprising:
Picture display sub-module, is configured to, when starting described screen, show pure color picture on the screen；
First control submodule, is configured to control the corresponding backlight of each subregion in described screen to send largest light intensity value
Light, each backlight corresponding largest light intensity value is identical.
7. device according to claim 5 is it is characterised in that described light sensor is located at and described light sensor pair
On the subregion answered and the side of described screen coincident.
8. the device according to any one of claim 5 to 7 is it is characterised in that described second control module, comprising:
Numerical value determination sub-module, is configured to for each actual light intensity value, calculates described actual light intensity value and deducts described minimum
Actual light intensity value difference, the numerical value that described predetermined light intensity value is deducted described difference is defined as adjusting light intensity value；
Second control submodule, is configured to control backlight corresponding with described actual light intensity value to send described numerical value determination
The light of the described adjusting light intensity value that module determines.
9. a kind of backlight regulation apparatus are it is characterised in that described device is applied to including in the terminal of liquid crystal display, comprising:
Processor；
For storing the memorizer of processor executable；
Wherein, described processor is configured to:
The corresponding backlight of each subregion in the screen of described liquid crystal display is controlled to send the light of predetermined light intensity value；
The corresponding actual light intensity value of each subregion is obtained by light sensor, described light sensor is arranged on described terminal
In；
If each actual light intensity value obtaining does not wait at least one actual light intensity it is determined that in addition to minimum actual light intensity value
Value；
The described corresponding backlight of at least one actual light intensity value is controlled to send light less than described predetermined light intensity value so that described
Each actual light intensity value that light sensor obtains again is equal.
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| CN201410503194.7A CN104299582B (en) | 2014-09-26 | 2014-09-26 | backlight adjusting method and device |
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| CN201410503194.7A CN104299582B (en) | 2014-09-26 | 2014-09-26 | backlight adjusting method and device |
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| CN105049836B (en) * | 2015-07-08 | 2017-03-01 | 四川长虹电器股份有限公司 | The quick inspection method in LED television backlight subarea |
| CN105607319B (en) * | 2016-03-02 | 2019-06-28 | 北京小米移动软件有限公司 | The automatic method and device for improving light leakage of the screen |
| CN105912294B (en) * | 2016-04-25 | 2017-10-17 | 广东欧珀移动通信有限公司 | A kind of adjusting method, device and intelligent terminal for intelligent terminal display screen |
| CN112687232B (en) * | 2019-10-18 | 2022-06-10 | 北京小米移动软件有限公司 | Dimming method and device of OLED display screen, electronic equipment and storage medium |
| CN111128347A (en) * | 2019-12-10 | 2020-05-08 | 青岛海信医疗设备股份有限公司 | Medical image display method and communication terminal |
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| KR100743540B1 (en) * | 2006-06-15 | 2007-07-27 | 주식회사 대우일렉트로닉스 | Liquid crystal display |
| CN102460552B (en) * | 2009-06-18 | 2014-12-31 | 夏普株式会社 | Display device and display control method |
| JP2012123100A (en) * | 2010-12-07 | 2012-06-28 | Hitachi Consumer Electronics Co Ltd | Liquid crystal display device |
| CN103971624A (en) * | 2013-01-28 | 2014-08-06 | 富泰华工业（深圳）有限公司 | Light-leaking detection system and method |
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