CN105489193B - Image regulating method and display equipment - Google Patents
Image regulating method and display equipment Download PDFInfo
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- CN105489193B CN105489193B CN201610063964.XA CN201610063964A CN105489193B CN 105489193 B CN105489193 B CN 105489193B CN 201610063964 A CN201610063964 A CN 201610063964A CN 105489193 B CN105489193 B CN 105489193B
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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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
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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
- 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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Abstract
The present invention provides a kind of image regulating method, is applied to display equipment, which includes with environment optical detector, the image regulating method：The environment optical detector is driven to detect ambient brightness；The backlight value of multiple pixels of the display equipment is adjusted according to the ambient brightness；The brightness shift value of multiple pixel is adjusted according to displacement correction function.
Description
Technical field
The present invention provides a kind of image regulating method and its display equipment, and espespecially one kind can be effectively improved bright details in a play not acted out on stage, but told through dialogues in picture
The image regulating method and its display equipment of scape details.
Background technology
The picture brightness of display has user dramatically different visual impression with the variation of place ambient brightness
By.For example, when being placed on the domestic display of bright ring and maintaining first order brightness, user watches the picture of the first order brightness
It can't feel uncomfortable；But when display moves on in dark situation and still maintains first order brightness, this is bright for user
The picture of degree will be excessively dazzling.In order to overcome this defect, a kind of display with backlight illumination adjustment function is just developed
Device utilizes the ambient brightness arround the detecting of luminance detection device, and the backlight illumination of display is accordingly adjusted according to ambient brightness.
However, traditional backlight illumination adjustment technology need to change the backlight illumination of picture, but dark scene details with manual adjusting style
It can more be difficult to recognize there is that image quality is unstable in low backlight illumination.
Invention content
The purpose of the present invention is to provide it is a kind of be effectively improved in picture the image regulating method of bright dark scene details and
Show equipment, to solve the above problem.
In order to achieve the above object, in a first aspect, the present invention provides a kind of image regulating method, it is applied to display equipment,
The display equipment has environment optical detector, which includes：
The environment optical detector is driven to detect ambient brightness；
The backlight value of multiple pixels of the display equipment is adjusted according to the ambient brightness；And
The brightness shift value of multiple pixel is adjusted according to displacement correction function.
Preferably, additionally comprising：
The reduced value of multiple pixel is adjusted according to the image frame content of the display equipment.
Preferably, the image regulating method first adjusts the reduced value of multiple pixel, then adjust being somebody's turn to do for multiple pixel
Backlight value.
Preferably, additionally comprising：
The color-values of multiple pixel are adjusted according to color correction function.
Preferably, correcting saturation degree and the brightness of the color-values according to the color correction function.
Preferably, when the display equipment is located at high-brightness environment, the color-values are improved according to the color correction function
Saturation degree reduces the saturation degree of the color-values according to the color correction function when the display equipment is located at low-light level environment
With the brightness.
Preferably, the step of driving the environment optical detector to detect ambient brightness includes：Drive the environment optical detector every
Primary detecting value was obtained every N seconds, and the reference point of the M detecting value is calculated after collecting M detecting value, and the reference point is made
The detecting result of the ambient brightness is detected for the environment optical detector.
Preferably, the display equipment includes plurality of display modes, each display pattern has specific trigger condition, than
Detecting result compared with the environment optical detector and multiple trigger conditions, a variety of displays are correspondingly switched to by the display equipment
One of pattern adjusts the display equipment when determining that the display equipment switches display pattern according to the ambient brightness
The backlight value of multiple pixel.
Preferably, the step of adjusting the brightness shift value of multiple pixel according to displacement correction function includes：In the environment
When brightness reduces, the backlight value of multiple pixel is reduced, then multiple pixel is accordingly improved by the displacement correction function
The brightness shift value makes the brightness of first specific pixel with minimum gray scale value be higher than first specific pixel without the image
Brightness before method of adjustment adjustment.
Preferably, the step of adjusting the brightness shift value of multiple pixel according to displacement correction function includes：In the environment
When brightness improves, the backlight value of multiple pixel is improved, then multiple pixel is accordingly reduced by the displacement correction function
The brightness shift value makes the brightness of second specific pixel with minimum gray scale value be less than second specific pixel without the image
Brightness before method of adjustment adjustment.
Preferably, different weighting parameters are covered respectively used in multiple pixel with different grayscale values, it should with adjustment
The brightness shift value of multiple pixels.
Preferably, the backlight value of the correspondence display pattern has specific adjusted amount, it is selective by the specific adjusted amount area
It is divided into multiple secondary adjustment amounts, and adjusts the backlight value and the brightness displacement of multiple pixel with multiple secondary adjustment amount segmentation
Value.
Second aspect, the present invention provide a kind of display equipment, include：
Panel unit has multiple pixels to show image frame；
Environment optical detector, for detecting the ambient brightness of the panel unit position；And
Controller is electrically connected the panel unit, which drives the environment optical detector to detect the ambient brightness, and root
The backlight value of multiple pixel is adjusted according to the ambient brightness and the brightness displacement of multiple pixel is adjusted according to displacement correction function
Value.
Preferably, the controller separately adjusts the reduced value of multiple pixel according to the image frame content of the display equipment.
Preferably, the controller first adjusts the reduced value of multiple pixel, then adjust the backlight value of multiple pixel.
Preferably, the controller separately adjusts the color-values of multiple pixel according to color correction function.
Preferably, the controller corrects saturation degree and the brightness of the color-values according to the color correction function, and working as should
When display equipment is located at high-brightness environment, which improves the saturation degree of the color-values according to the color correction function, when
When the display equipment is located at low-light level environment, the controller according to the color correction function reduce the saturation degrees of the color-values with
The brightness.
Preferably, the controller drives the environment optical detector to obtain primary detecting value every N seconds, and detectd collecting M
The reference point of the M detecting value is calculated after measured value, and detects the ambient brightness using the reference point as the environment optical detector
Detecting result.
Preferably, the display equipment includes plurality of display modes, each display pattern has specific trigger condition, should
Image regulating method compares the detecting result of the environment optical detector and multiple trigger condition, correspondingly by the display equipment
It is switched to one of the plurality of display modes, when the controller determines that the display equipment switches display pattern, the control
Device adjusts the backlight value of multiple pixel of the display equipment according to the ambient brightness.
Preferably, when the ambient brightness reduces, which reduces the backlight value of multiple pixel, then passes through the position
The brightness shift value that correction function accordingly improves multiple pixel is moved, the bright of first specific pixel with minimum gray scale value is made
Degree is higher than first specific pixel without the brightness before image regulating method adjustment.
Preferably, when the ambient brightness improves, which improves the backlight value of multiple pixel, then passes through the position
Moving correction function accordingly reduces the brightness shift value of multiple pixel, makes the bright of second specific pixel with minimum gray scale value
Degree is less than second specific pixel without the brightness before image regulating method adjustment.
Preferably, different weighting parameters are covered multiple pixel used in the different grayscale values of tool by the controller respectively, with
Adjust its brightness shift value.
Preferably, the backlight value of the correspondence display pattern has specific adjusted amount, the controller selectively that this is specific
Adjustment amount is distinguished into multiple secondary adjustment amounts, and bright with this with the backlight value that multiple secondary adjustment amount segmentation adjusts multiple pixel
Spend shift value.
Compared with prior art, image regulating method of the invention is applied to the display equipment with environment optical detector,
In order to overcome the defect that image frame overexposure is dazzling or dark portion details is unclear, image regulating method have adjusted pixel backlight value it
Afterwards, the brightness shift value that displacement correction function corrects multiple pixel can be also applied mechanically, dark portion details can be effectively corrected, avoid image
Film flicker, and can make the picture of bright field scape it is soft it is not dazzling, dark scene details is clearly undistorted.
Description of the drawings
Fig. 1 is the functional block diagram of the display equipment of the embodiment of the present invention；
Fig. 2 is the flow chart of the image regulating method of the embodiment of the present invention；
Fig. 3 to Fig. 6 is respectively that the panel unit pixel-parameters of the embodiment of the present invention enter dark situation from bright ring border and become
Change the curve graph of adjustment；
Fig. 7 to Figure 10 is respectively that the panel unit pixel-parameters of the embodiment of the present invention enter bright ring border from dark situation and become
Change the curve graph of adjustment；
The curve graph that Figure 11 A, Figure 11 B and the color-values that Figure 11 C are the embodiment of the present invention adjust；
Figure 12 is the curve graph that brightness shift value is adjusted by weighting parameters of the embodiment of the present invention；
Figure 13 A, Figure 13 B, Figure 13 C and Figure 13 D figures are respectively the pixel distribution curve of another embodiment of the present invention in difference
The schematic diagram of adjustment process；
Figure 14 is that the data of image frame of the display equipment of the embodiment of the present invention after image regulating method corrects measure
Figure.
Specific implementation mode
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby coordinate embodiment detailed
It is described as follows.
Referring to Fig. 1, Fig. 1 is the functional block diagram of the display equipment 10 of the embodiment of the present invention.Show that equipment 10 includes face
Plate unit 12, environment optical detector 14 and controller 16.Panel unit 12 is different according to resolution and has corresponding multiple pictures
Element.Environment optical detector 14 is adjacent to by the panel unit 12, for detecting the ambient brightness of 12 position of panel unit.Control
Device 16 processed is electrically connected to panel unit 12 and environment optical detector 14, can show image according to control instruction driving panel unit 12
Picture.Display equipment 10 provides the plurality of display modes for being respectively provided with different parameters；Changed according to environmental background light source, it is each
Kind display pattern has corresponding parameter setting, such as reduced value (contrast value), backlight value (pulse width
Modulation value, PWM value), brightness shift value (intensity offset value, offset value) with
And color-values (color value).Wherein brightness shift value refers to the shift value of brightness in the grayscale and Luminance Distribution of pixel.Control
Panel unit 12 can be switched to corresponding display pattern by device 16 according to the detecting result of environment optical detector 14, be implied that regarding environment
The above-mentioned multiple parameters of the variation adjust automatically panel unit 12 of brightness are set, and reaching the bright field scape of image frame, overexposure does not pierce
Eye, the distortionless purpose of dark scene clarity of detail.
Fig. 2 to Figure 10 is please referred to, Fig. 2 is the flow chart of the image regulating method of the embodiment of the present invention, and Fig. 3 to Fig. 6 is this
The parameter of multiple pixel of the panel unit 12 of inventive embodiments enters the curve that dark situation is changed adjustment from bright ring border
Figure.Image regulating method described in Fig. 2 is suitable for display equipment 10 shown in FIG. 1.About image regulating method, first, execute
Step 200 and step 202, the detecting of 16 drive environment optical detector 14 of controller show that equipment 10 and its 12 institute of panel unit are in place
The ambient brightness set, and according to the detecting result of environment optical detector 14 select corresponding display pattern (imply that controller according to
The detecting result of environment optical detector 14 selects corresponding illumination range from multigroup illumination range).Preferably implement of the invention
In example, five kinds of display patterns of the display offer of equipment 10 (imply that display equipment 10 provides five groups of illumination ranges), such as office mode,
General modfel, transition mode, dim mode and darkroom pattern.The illumination of office mode is about 300 lumens (lux/m2) or more, and one
As pattern illumination between 100~300 lumens, the illumination of transition mode between 50~100 lumens, dim mode
For illumination between 10~50 lumens, the illumination of darkroom pattern is then less than 10 lumens；Right practical application is not limited to this.
In step 202, drive environment optical detector 14 obtained primary detecting value every N seconds, and had been collected into M detecting value
Afterwards according to each detecting values of M calculate reference point (such as：Reference point can be the arithmetic average of multiple M detecting value, so be not limited to
This), using the reference point as the detecting result of environment optical detector 14.Furthermore each display pattern all has specific touch
Clockwork spring part implies that the illumination range set by each pattern, compares the detecting result of environment optical detector 14 and multiple triggering item
Part, judgement are intended to show which kind of display pattern is equipment 10 be accordingly switched to.
Come again, executes step 204 to step 210, in the handoff procedure of display pattern, first according in image frame
Hold the reduced value (step 204) for adjusting multiple pixels；Then, the backlight value (step 206) of multiple pixels is adjusted；Due to backlight value
Adjustment changes the overall brightness of image frame, therefore image regulating method further can also be multiple according to the adjustment of displacement correction function
Brightness shift value (the step 208) of pixel；Finally, image regulating method adjusts the color of multiple pixels according to color correction function again
It is worth (step 210), with the distortion of correcting image picture.As shown in figure 3, curve C1 be not carried out image regulating method pixel it is bright
Degree distribution；When the variation of environmental background light source is dark by bright turn, it is bent to draw high the dark portion of pixel brightness contribution that step 204 adjusts reduced value
Line makes curve C1 be converted to curve C2 shown in Fig. 4, at this time the most dim spot of pixel brightness contribution close to brightness 0 position (such as
0.06nits has slight variations depending on actual conditions).
When executing step 206, the backlight value that reduced value adjustment amplitude lowers pixel brightness contribution can allow curve C2 to be converted to
The most dim spot of curve C3 shown in Fig. 5, curve C3 change to the position of brightness 0 ', most bright spot and change to the position of brightness A '.Generally
For, each pixel intensity that curve is converted into C3 from C2 uniformly declines, or alternative exponentially or other means distribution, practical
Using being not limited to this.Dark portion details in image frame has distortion phenomenon due to step 206, therefore can recycle step 208
Pixel intensity in image frame is improved, implies that the brightness shift value for improving curve C3 with displacement correction function；Curve at this time
C3 is adjusted to curve C4 shown in Fig. 6, with minimum gray scale value specific pixel brightness can be slightly higher than the specific pixel without
Brightness before image regulating method adjustment, for example, curve C4 most dim spot above repaiied to the position (slightly above origin 0) of brightness 0 ",
Most bright spot is above repaiied the position (slightly above brightness A ') to brightness A ", and the clarity of dark portion details can be improved accordingly.
One is separately needed to be mentioned that, in Fig. 3 and Fig. 4, when pixel brightness contribution is converted to curve C2 from curve C1, dark portion curve
Reduced value adjustment amplitude preferably be more than pixel brightness contribution in non-dark space (implying that intermediate curve and highlights curve) comparison
It is worth adjustment amplitude.And in different display modes, the reduced value of intermediate curve and highlights curve adjusts the visual actual demand of amplitude
It is designed as being equal to each other or unequal.For example, when the variation of environmental background light source is dark by bright turn, high comparison is stressed wherein
A kind of display pattern does not improve intermediate curve, and the display pattern that another kind stresses details may then improve intermediate curve a little,
Its reduced value adjustment amplitude should go motor-driven adjustment, all Regulation mechanisms that can maintain curve smoothing all to belong to according to the characteristic of display pattern
The application category of the present invention.
Separately by environmental background light source change by blackout it is bright for, as shown in Figure 7 to 10, the curve C1 ' of Fig. 7 is not yet to hold
The pixel brightness contribution of row image regulating method；When the variation of environmental background light source is bright by blackout, step 204 adjusts reduced value to press
The dark portion curve of low pixel Luminance Distribution, curve C1 ' are converted to the curve C2 ' of Fig. 8.In step 206, when ambient brightness improves
When, the backlight value of multiple pixel is improved, the Luminance Distribution of pixel is allowed to be converted to the curve C3 ', curve C3 ' of Fig. 9 from curve C2 '
Most dim spot be adjusted to the position (slightly above brightness 0 ') of brightness 0 ", most bright spot is adjusted to position (the slightly above brightness of brightness A '
A).Then, in step 208, then the brightness shift value of multiple pixel is accordingly reduced by displacement correction function, such as with
Curve C3 ' is converted to the curve C4 ' of Figure 10 by displacement correction function so that the brightness of the specific pixel with minimum gray scale value is omited
Less than the specific pixel without image regulating method adjust before brightness, at this time the most dim spot of curve C4 ' be adjusted to the position of brightness 0
It sets (less than brightness 0 ' and brightness 0 "), most bright spot is adjusted to the position (slightly below brightness A ', but be higher than brightness A) of brightness A "；One
As for, multiple brightness A, A ' and the variation of A " it is extremely small, or can be considered the same luminance point.Special one is mentioned that, tool
There is the brightness of the specific pixel of minimum gray scale value that can preferably be adjusted to the position of corresponding brightness 0, right actual conditions may slightly have
Deviation slightly, it is bright in first chatting.
1A, Figure 11 B and Figure 11 C are please referred to Fig.1, is the curve graph that the color-values of the embodiment of the present invention adjust.Step 210
The color-values generally comprise coloration (Hue), saturation degree (Saturation) and brightness (Brightness), so unlimited
In this.After the adjustment of reduced value, backlight value and brightness shift value, color has slightly multiple pixel of panel unit 12
Distortion, therefore image regulating method can perform the color-values that step 210 corrects multiple pixel.As shown in Figure 11 A, multiple pixel
Coloration it is not notable in the variation for being switched to different display modes, may be selected to maintain former numerical value.As shown in Figure 11 B, equipment is shown
10 in high-brightness environment (such as office mode), and the saturation degree in color-values can be improved in image regulating method；In general brightness
When environment (such as general modfel), saturation degree does not adjust preferably and maintains former numerical value；In low-light level environment (such as dim mould
Formula and darkroom pattern), image regulating method then reduces saturation degree.As shown in Figure 11 C, display equipment 10 is in high-brightness environment and one
As lightness environment when (such as office mode and general modfel), brightness preferably maintains former numerical value；In low-light level environment (such as
Dim mode and darkroom pattern), image regulating method can separately reduce brightness, make image frame more aesthetically pleasing.
The present invention separately proposes a kind of method of adjustment of brightness shift value.It is the embodiment of the present invention to please refer to Fig.1 2, Figure 12
The curve graph of brightness shift value is adjusted by weighting parameters.When being intended to curve C3 being adjusted to curve C4, image regulating method is first
Multiple pixel is divided into multiple sections according to the grayscale of curve and Luminance Distribution, and is covered respectively used in each with different weights parameter
Pixel in a section, the brightness displacement amplitude for making each section point tool different.For example, the first section Z1 corresponds to grayscale value
Lower pixel can set higher weighting parameters, and pixel in the first section Z1 is made to have larger brightness shift value；Third area
Section Z3 corresponds to the higher pixel of grayscale, therefore sets lower weighting parameters, reduces the brightness displacement width of pixel in third section Z3
Degree；The weighting parameters of second section Z2 are then between the first section Z1 and the weighting parameters of third section Z3, therefore its internal picture
The brightness displacement amplitude of element also falls between.
Multiple pixel is only divided into three sections by previous embodiment, and right practical application is not limited to this, such as the present invention
Image regulating method the gray-scale distribution of cutting curve can be gone according to pixel quantity, imply that each pixel has the specific of oneself
Weighting parameters, image regulating method cover different weighting parameters respectively in point multiple pixel of the different grayscale values of tool；
Wherein, higher weightings parameter is had closer to the pixel of dim spot, the pixel closer to bright spot then there are lower weighting parameters, but not
As limit.
Please refer to Fig. 5, Fig. 9 and Figure 13 A, Figure 13 B, Figure 13 C and Figure 13 D, Figure 13 A, Figure 13 B, Figure 13 C and Figure 13 D difference
For another embodiment of the present invention pixel distribution curve different adjustment processes schematic diagram.As shown in Fig. 5 and Fig. 9, step 206
The backlight value of multiple pixel is once cut to predetermined value, such as △ I, the dark space of multiple pixel separately utilizes displacement correction letter
Number improves its brightness shift value, returns to the position close to brightness 0.In Figure 13 A, Figure 13 B, Figure 13 C and Figure 13 D illustrated embodiments
In, image regulating method downgrades the backlight value segmentation of multiple pixel, such as first comes down to △ I1, as shown in FIG. 13A, curve
CL1 forming curves CL2 due to step 206 downgrades 1 I backlight value △；Then step 208 is executed, is adjusted with displacement correction function bright
Shift value is spent, so that curve CL2 is converted to curve CL3, as shown in Figure 13 B；Then, step 206 is executed again, and curve CL3 is through adjusting
Backlight value △ I2 forming curves CL4 drop, as shown in fig. 13 c；Finally, step 206 adjusts the brightness shift value of curve CL4 and obtains
Curve CL5, as illustrated in figure 13d.
In the aforementioned embodiment, the specific adjusted amount △ I of backlight value are splitted into multiple secondary adjustment amount △ by image regulating method
I1 and △ I2 are conducted batch-wise, and imply that time adjustment amount △ I1 and △ I2 can be less than specific adjusted amount △ I, image regulating method point
Section adjusts the backlight value and brightness shift value of multiple pixel, and multiple pixel rapidly generates multistage and brightness a little becomes
Change, image frame will not obviously flicker, and be capable of providing the more comfortable visual enjoyment of user.It one must still be mentioned that, specific adjusted
Amount can arbitrarily divide into multiple secondary adjustment amounts, however it is not limited to two adjustment amounts of the present embodiment.
It should be noted that display equipment 10 is able to carry out above-mentioned image regulating method, wherein 16 drive environment of controller
Optical detector 14 detects ambient brightness, and according to ambient brightness adjusts the backlight value of multiple pixels and according to displacement correction function
Adjust the brightness shift value of multiple pixels.Further, controller 16 is separately more according to the image frame content adjustment of display equipment 10
The reduced value of a pixel.Preferably, controller 16 first adjusts the reduced value of multiple pixels, then adjust the backlight value of multiple pixels.
Further, controller 16 separately adjusts the color-values of multiple pixels according to color correction function.Preferably, controller 16 is according to color
Correction function correct color-values saturation degree and brightness, and when show equipment 10 be located at high-brightness environment when, controller 16 according to
The saturation degree that color-values are improved according to color correction function, when showing that equipment 10 is located at low-light level environment, controller 16 is according to color
Color correction function reduces saturation degree and the brightness of color-values.Preferably, 16 drive environment optical detector 14 of controller was every N seconds
Primary detecting value is obtained, and calculates the reference point of M detecting value after collecting M detecting value, and using reference point as ambient light
Detector 14 detects the detecting result of ambient brightness.Preferably, display equipment 10 includes plurality of display modes, each display mould
There is formula specific trigger condition, image regulating method to compare the detecting result of environment optical detector 14 and multiple trigger conditions,
Will show that equipment 10 is correspondingly switched to one of plurality of display modes, show that equipment 10 switches when controller 16 determines
When display pattern, controller 16 adjusts the backlight value for the multiple pixels for showing equipment 10 according to ambient brightness.Preferably, in environment
When brightness reduces, controller 16 reduces the backlight value of multiple pixels, then accordingly improves multiple pixels by displacement correction function
Brightness shift value makes the brightness of first specific pixel with minimum gray scale value be higher than the first specific pixel without image adjustment side
Brightness before method adjustment.Preferably, when ambient brightness improves, controller 16 improves the backlight value of multiple pixels, then passes through position
Moving correction function accordingly reduces the brightness shift value of multiple pixels, keeps the brightness of second specific pixel with minimum gray scale value low
Brightness before the second specific pixel is adjusted without image regulating method.Preferably, controller 16 divides different weighting parameters
The multiple pixels for having different grayscale values Tao be used in, to adjust its brightness shift value.Preferably, the backlight value of corresponding display pattern
With specific adjusted amount, specific adjusted amount is distinguished into multiple secondary adjustment amounts by 16 selectivity of controller, and with multiple secondary adjustment amounts
Segmentation adjusts the backlight value and brightness shift value of multiple pixels.It should be noted that controller 16 executes the details of aforesaid operations
The description of above-mentioned image regulating method is referred to, details are not described herein for the embodiment of the present invention.
In conclusion the image regulating method of the present invention is applied to the display equipment with environment optical detector, according to ring
Display equipment is adjusted to corresponding display pattern, such as display equipment in high brightness ring by the ambient brightness that border optical detector obtains
The pixel intensity in border is higher, low-light level environment pixel intensity it is dark；In order to overcome, image frame overexposure is dazzling or dark portion is thin
Unclear defect is saved, after having adjusted pixel backlight value, can also apply mechanically the luminance bit that displacement correction function corrects multiple pixel
Shifting value can effectively correct dark portion details, image frame is avoided to flicker, and can make the soft not dazzling, dark scene of the picture of bright field scape
Details is clearly undistorted.It also needs one to be mentioned that, the backlight value of pixel is only adjusted in the case of image regulating method of the invention is preferable
It is enough the bright dark portion details for achieving the purpose that correct image frame, right still electing to property of image regulating method with brightness shift value
Reduced value set-up procedure and color-values set-up procedure are executed, (i.e. above-mentioned steps 200 drive the ambient light so that picture optimizes
Detector detects ambient brightness, and step 206 adjusts the backlight value of multiple pixels of the display equipment according to the ambient brightness, and
The brightness shift value that step 208 adjusts multiple pixel according to displacement correction function is necessary step, and step 202, step
204, step 210 can be determined the need for according to actual demand).In the case of preferably, image regulating method preferentially adjusts reduced value,
Backlight value adjustment is carried out again；After so also can adjust backlight value, the correction of just execution reduced value, end is depending on actual demand.
Please refer to Fig.1 4, Figure 14 be the embodiment of the present invention display equipment 10 after image regulating method corrects image picture
The data volume mapping in face, abscissa indicate to carry out 16 deciles to the grayscale of 0-255.As can be seen from Figure 14, no matter display equipment quilt
It is switched to which display pattern, the dark space of multiple pixel can all be maintained close to the position of brightness 0, and office mode is (most
High-brightness environment) the bright field scape with high brightness, darkroom pattern (minimum brightness environment) then has the bright field scape of low-light level；It compares
Prior art, display equipment of the invention are stilld provide in ambient brightness significantly change suitable for ornamental soft picture.
The present invention is described by above-mentioned related embodiment, however above-described embodiment is only the example for implementing the present invention.
It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from the present invention spirit and
It is changed and retouched made by range, belongs to the scope of patent protection of the present invention.
Claims (50)
1. a kind of image regulating method is applied to display equipment, which is characterized in that the display equipment has environment optical detector,
The image regulating method includes：
The environment optical detector is driven to detect ambient brightness；
The backlight value of multiple pixels of the display equipment is adjusted according to the ambient brightness；And
The brightness shift value of multiple pixel is adjusted according to displacement correction function；
Wherein, which is divided at least two adjustment amounts, and multiple at least two adjustment amount segmentation adjustment
The backlight value of pixel and the brightness shift value.
2. image regulating method as described in claim 1, which is characterized in that additionally comprise：It is drawn according to the image of the display equipment
Face content adjusts the reduced value of multiple pixel.
3. image regulating method as claimed in claim 2, which is characterized in that the image regulating method first adjusts multiple pixel
The reduced value, then adjust the backlight value of multiple pixel.
4. image regulating method as described in claim 1, which is characterized in that additionally comprise：It should according to the adjustment of color correction function
The color-values of multiple pixels.
5. image regulating method as claimed in claim 4, which is characterized in that correct the color-values according to the color correction function
Saturation degree and brightness.
6. image regulating method as claimed in claim 5, which is characterized in that when the display equipment is located at high-brightness environment,
Saturation degree that the color-values are improved according to the color correction function, when the display equipment is located at low-light level environment, according to this
Color correction function reduces the saturation degree and brightness of the color-values.
7. image regulating method as described in claim 1, which is characterized in that the environment optical detector is driven to detect ambient brightness
The step of include：It drives the environment optical detector to obtain primary detecting value every N seconds, and the M is calculated after collecting M detecting value
The reference point of a detecting value, and detect using the reference point as the environment optical detector detecting result of the ambient brightness.
8. image regulating method as described in claim 1, which is characterized in that the display equipment includes plurality of display modes, often
A kind of display pattern has specific trigger condition, compares the detecting result of the environment optical detector and multiple trigger conditions,
The display equipment is correspondingly switched to one of the plurality of display modes, mould is shown when determining that the display equipment switches
When formula, the backlight value of multiple pixel of the display equipment is adjusted according to the ambient brightness.
9. image regulating method as described in claim 1, which is characterized in that also include：When the ambient brightness reduces, reducing should
The backlight value of multiple pixels, then the brightness shift value of multiple pixel is accordingly improved by the displacement correction function, make tool
Before thering is the brightness of the first specific pixel of minimum gray scale value to be adjusted without the image regulating method higher than first specific pixel
Brightness.
10. image regulating method as described in claim 1, which is characterized in that also include：When the ambient brightness improves, improve
The backlight value of multiple pixel, then the brightness shift value of multiple pixel is accordingly reduced by the displacement correction function, make
Before the brightness of the second specific pixel with minimum gray scale value is adjusted less than second specific pixel without the image regulating method
Brightness.
11. the image regulating method as described in claim 9 or 10, which is characterized in that apply mechanically different weighting parameters respectively
In multiple pixel with different grayscale values, to adjust the brightness shift value of multiple pixel.
12. image regulating method as described in claim 1, which is characterized in that the display equipment includes plurality of display modes, often
The backlight value of one display pattern has specific adjusted amount；Determining that the display equipment is switched to its of the plurality of display modes
One of when, selectivity by the corresponding specific adjusted amount of the display pattern being switched to be distinguished into this at least two times adjustment
Amount, and with the backlight value and the brightness shift value of at least two multiple pixels of adjustment amount segmentation adjustment.
13. a kind of image regulating method is applied to display equipment, which is characterized in that the display equipment has environment optical detector,
The display equipment includes plurality of display modes, and each display pattern has specific trigger condition, the image regulating method
Include：
The environment optical detector is driven to detect ambient brightness；
According to the comparison result of the ambient brightness and multiple trigger conditions, it is a variety of aobvious which is correspondingly switched to this
Show one of pattern, and adjusts according to the ambient brightness backlight value of multiple pixels of the display equipment；And
The brightness shift value of multiple pixel is adjusted according to displacement correction function；
Wherein, when which reduces, the backlight value of multiple pixel is reduced, then accordingly carry by the displacement correction function
The brightness shift value of high multiple pixel keeps the brightness of first specific pixel with minimum gray scale value first specific higher than this
Pixel is without the brightness before image regulating method adjustment.
14. image regulating method as claimed in claim 13, which is characterized in that also include：When the ambient brightness improves, improve
The backlight value of multiple pixel, then the brightness shift value of multiple pixel is accordingly reduced by the displacement correction function, make
Before the brightness of the second specific pixel with minimum gray scale value is adjusted less than second specific pixel without the image regulating method
Brightness.
15. image regulating method according to claim 13 or 14, which is characterized in that apply mechanically different weighting parameters respectively
In multiple pixel with different grayscale values, to adjust the brightness shift value of multiple pixel.
16. image regulating method as claimed in claim 13, which is characterized in that the backlight value of each display pattern has
The corresponding specific adjusted amount of the display pattern being switched to is distinguished at least two adjustment by specific adjusted amount, selectivity
Amount, and with the backlight value and the brightness shift value of at least two multiple pixels of adjustment amount segmentation adjustment.
17. a kind of image regulating method is applied to display equipment, which is characterized in that the display equipment has environment optical detector,
The image regulating method includes：
The environment optical detector is driven to detect ambient brightness；
The backlight value of multiple pixels of the display equipment is adjusted according to the ambient brightness；And
The brightness shift value of multiple pixel is adjusted according to displacement correction function；
Wherein, when which reduces, the backlight value of multiple pixel is reduced, then accordingly carry by the displacement correction function
The brightness shift value of high multiple pixel keeps the brightness of first specific pixel with minimum gray scale value first specific higher than this
Pixel is without the brightness before image regulating method adjustment；Alternatively, when the ambient brightness improves, the back of the body of multiple pixel is improved
Light value, then the brightness shift value of multiple pixel is accordingly reduced by the displacement correction function, make that there is minimum gray scale value
The brightness of second specific pixel is less than second specific pixel without the brightness before image regulating method adjustment.
18. image regulating method as claimed in claim 17, which is characterized in that additionally comprise：According to the image of the display equipment
Image content adjusts the reduced value of multiple pixel.
19. image regulating method as claimed in claim 18, which is characterized in that the image regulating method first adjusts multiple picture
The reduced value of element, then adjust the backlight value of multiple pixel.
20. image regulating method as claimed in claim 17, which is characterized in that additionally comprise：It is adjusted according to color correction function
The color-values of multiple pixel.
21. image regulating method as claimed in claim 20, which is characterized in that correct the color according to the color correction function
The saturation degree of value and brightness.
22. image regulating method as claimed in claim 21, which is characterized in that when the display equipment is located at high-brightness environment
When, the saturation degree of the color-values is improved according to the color correction function, when the display equipment is located at low-light level environment, according to this
Color correction function reduces the saturation degree and brightness of the color-values.
23. image regulating method as claimed in claim 17, which is characterized in that drive environment optical detector detecting environment bright
The step of spending include：It drives the environment optical detector to obtain primary detecting value every N seconds, and is calculated after collecting M detecting value
The reference point of the M detecting value, and detect using the reference point as the environment optical detector detecting result of the ambient brightness.
24. image regulating method as claimed in claim 17, which is characterized in that the display equipment includes plurality of display modes,
Each display pattern has specific trigger condition, compares the detecting result of the environment optical detector and multiple triggering items
The display equipment is correspondingly switched to one of the plurality of display modes by part, is shown when determining that the display equipment switches
When showing pattern, the backlight value of multiple pixel of the display equipment is adjusted according to the ambient brightness.
25. image regulating method as claimed in claim 17, which is characterized in that covered different weighting parameters respectively used in tool
The multiple pixel for having different grayscale values, to adjust the brightness shift value of multiple pixel.
26. image regulating method as claimed in claim 17, which is characterized in that the display equipment includes plurality of display modes,
The backlight value of each display pattern has specific adjusted amount；When determining that the display equipment is switched to the plurality of display modes
One of them when, selectivity by the corresponding specific adjusted amount of the display pattern being switched to be distinguished at least two times adjustment
Amount, and with the backlight value and the brightness shift value of at least two multiple pixels of adjustment amount segmentation adjustment.
27. a kind of display equipment, which is characterized in that include：
Panel unit has multiple pixels to show image frame；
Environment optical detector, for detecting the ambient brightness of the panel unit position；And
Controller is electrically connected the panel unit, which drives the environment optical detector to detect the ambient brightness, and according to this
Ambient brightness adjusts the backlight value of multiple pixel and adjusts the brightness shift value of multiple pixel according to displacement correction function；
Wherein, which is divided at least two adjustment amounts by the backlight value, and is adjusted at least two adjustment amount segmentations
The backlight value of whole multiple pixel and the brightness shift value.
28. display equipment as claimed in claim 27, which is characterized in that the controller is separately drawn according to the image of the display equipment
Face content adjusts the reduced value of multiple pixel.
29. display equipment as claimed in claim 28, which is characterized in that the controller first adjusts the comparison of multiple pixel
Value, then adjust the backlight value of multiple pixel.
30. display equipment as claimed in claim 27, which is characterized in that the controller separately should according to the adjustment of color correction function
The color-values of multiple pixels.
31. display equipment as claimed in claim 30, which is characterized in that the controller should according to the color correction function amendment
The saturation degree of color-values and brightness, and when the display equipment is located at high-brightness environment, the controller is according to the color correction
Function improves the saturation degree of the color-values, and when the display equipment is located at low-light level environment, which repaiies according to the color
Positive function reduces the saturation degree and brightness of the color-values.
32. display equipment as claimed in claim 27, which is characterized in that the controller drives the environment optical detector every N
Second obtain primary detecting value, and calculate the reference point of the M detecting value after collecting M detecting value, and using the reference point as
The environment optical detector detects the detecting result of the ambient brightness.
33. display equipment as claimed in claim 27, which is characterized in that the display equipment includes plurality of display modes, each
Kind of display pattern has a specific trigger condition, the image regulating method compare the detecting result of the environment optical detector with it is multiple
The display equipment is correspondingly switched to one of the plurality of display modes by the trigger condition, when the controller determines
When the display equipment switches display pattern, which adjusts being somebody's turn to do for multiple pixel of the display equipment according to the ambient brightness
Backlight value.
34. display equipment as claimed in claim 27, which is characterized in that when the ambient brightness reduces, which reduces
The backlight value of multiple pixel, then the brightness shift value of multiple pixel is accordingly improved by the displacement correction function, make
Before the brightness of the first specific pixel with minimum gray scale value is adjusted higher than first specific pixel without the image regulating method
Brightness.
35. display equipment as claimed in claim 27, which is characterized in that when the ambient brightness improves, which improves
The backlight value of multiple pixel, then the brightness shift value of multiple pixel is accordingly reduced by the displacement correction function, make
Before the brightness of the second specific pixel with minimum gray scale value is adjusted less than second specific pixel without the image regulating method
Brightness.
36. the display equipment as described in claim 34 or 35, which is characterized in that the controller distinguishes different weighting parameters
Set is used in multiple pixel with different grayscale values, to adjust the brightness shift value of multiple pixel.
37. display equipment as claimed in claim 27, which is characterized in that the display equipment includes plurality of display modes, each
The backlight value of the display pattern has specific adjusted amount；The controller is determining that the display equipment is switched to a variety of display moulds
When one of formula, the corresponding specific adjusted amount of the display pattern being switched to is distinguished into this at least two times by selectivity
Adjustment amount, and with the backlight value and the brightness shift value of at least two multiple pixels of adjustment amount segmentation adjustment.
38. a kind of display equipment, which is characterized in that the display equipment includes plurality of display modes, and each display pattern has
There is specific trigger condition, which includes：
Panel unit has multiple pixels to show image frame；
Environment optical detector, for detecting the ambient brightness of the panel unit position；And
Controller is electrically connected the panel unit, which drives the environment optical detector to detect the ambient brightness, according to the ring
The display equipment is correspondingly switched to the plurality of display modes wherein by the comparison result of border brightness and multiple trigger conditions
One of, and the backlight value of multiple pixel is adjusted according to the ambient brightness, and adjust multiple pixel according to displacement correction function
Brightness shift value；
Wherein, when the ambient brightness reduces, which reduces the backlight value of multiple pixel, then passes through the displacement correction
Function accordingly improves the brightness shift value of multiple pixel, and the brightness of first specific pixel with minimum gray scale value is made to be higher than
First specific pixel is without the brightness before image regulating method adjustment.
39. display equipment as claimed in claim 38, which is characterized in that when the ambient brightness improves, which improves
The backlight value of multiple pixel, then the brightness shift value of multiple pixel is accordingly reduced by the displacement correction function, make
Before the brightness of the second specific pixel with minimum gray scale value is adjusted less than second specific pixel without the image regulating method
Brightness.
40. the display equipment as described in claim 38 or 39, which is characterized in that the controller distinguishes different weighting parameters
Set is used in the multiple pixel for having different grayscale values, to adjust the brightness shift value of multiple pixel.
41. display equipment as claimed in claim 38, which is characterized in that the backlight value of each display pattern has specific
The corresponding specific adjusted amount of the display pattern being switched to is distinguished at least two tune by adjustment amount, controller selectivity
Whole amount, and with the backlight value and the brightness shift value of at least two multiple pixels of adjustment amount segmentation adjustment.
42. a kind of display equipment, which is characterized in that include：
Panel unit has multiple pixels to show image frame；
Environment optical detector, for detecting the ambient brightness of the panel unit position；And
Controller is electrically connected the panel unit, which drives the environment optical detector to detect the ambient brightness, and according to this
Ambient brightness adjusts the backlight value of multiple pixel and adjusts the brightness shift value of multiple pixel according to displacement correction function；
Wherein, when which reduces, which reduces the backlight value of multiple pixel, then passes through the displacement correction letter
Number accordingly improves the brightness shift value of multiple pixel, and so that the brightness of first specific pixel with minimum gray scale value is higher than should
First specific pixel is without the brightness before image regulating method adjustment；Alternatively, when the ambient brightness improves, which improves
The backlight value of multiple pixel, then the brightness shift value of multiple pixel is accordingly reduced by the displacement correction function, make
Before the brightness of the second specific pixel with minimum gray scale value is adjusted less than second specific pixel without the image regulating method
Brightness.
43. display equipment as claimed in claim 42, which is characterized in that the controller is separately drawn according to the image of the display equipment
Face content adjusts the reduced value of multiple pixel.
44. display equipment as claimed in claim 43, which is characterized in that the controller first adjusts the comparison of multiple pixel
Value, then adjust the backlight value of multiple pixel.
45. display equipment as claimed in claim 42, which is characterized in that the controller separately should according to the adjustment of color correction function
The color-values of multiple pixels.
46. display equipment as claimed in claim 45, which is characterized in that the controller should according to the color correction function amendment
The saturation degree of color-values and brightness, and when the display equipment is located at high-brightness environment, the controller is according to the color correction
Function improves the saturation degree of the color-values, and when the display equipment is located at low-light level environment, which repaiies according to the color
Positive function reduces the saturation degree and brightness of the color-values.
47. display equipment as claimed in claim 42, which is characterized in that the controller drives the environment optical detector every N
Second obtain primary detecting value, and calculate the reference point of the M detecting value after collecting M detecting value, and using the reference point as
The environment optical detector detects the detecting result of the ambient brightness.
48. display equipment as claimed in claim 42, which is characterized in that the display equipment includes plurality of display modes, each
Kind of display pattern has a specific trigger condition, the image regulating method compare the detecting result of the environment optical detector with it is multiple
The display equipment is correspondingly switched to one of the plurality of display modes by the trigger condition, when the controller determines
When the display equipment switches display pattern, which adjusts being somebody's turn to do for multiple pixel of the display equipment according to the ambient brightness
Backlight value.
49. display equipment as claimed in claim 42, which is characterized in that the controller applies mechanically different weighting parameters respectively
In the multiple pixel for having different grayscale values, to adjust the brightness shift value of multiple pixel.
50. display equipment as claimed in claim 42, which is characterized in that the display equipment includes plurality of display modes, each
The backlight value of the display pattern has specific adjusted amount；The controller is determining that the display equipment is switched to a variety of display moulds
When one of formula, the corresponding specific adjusted amount of the display pattern being switched to is distinguished at least two tune by selectivity
Whole amount, and with the backlight value and the brightness shift value of at least two multiple pixels of adjustment amount segmentation adjustment.
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| CN106357766B (en) * | 2016-09-18 | 2019-04-30 | 河海大学 | A kind of Medical display equipment remotely correcting method based on look-up table Fast Generation |
| CN106898329B (en) * | 2017-03-27 | 2019-07-19 | 努比亚技术有限公司 | A kind of method, device and mobile terminal handling brightness of display screen |
| US11335278B2 (en) * | 2019-01-03 | 2022-05-17 | Guangdong Xiaye Household Electrical Appliances Co., Ltd. | Self-adaptive adjustment method based on ambient light distribution field |
| CN111696475B (en) * | 2019-03-15 | 2021-11-16 | 西安诺瓦星云科技股份有限公司 | Display control method, device and system, storage medium and display control card |
| CN111916036A (en) * | 2019-05-09 | 2020-11-10 | 北京车和家信息技术有限公司 | Method and device for regulating and controlling display brightness of display panel and vehicle |
| CN113314060A (en) * | 2020-02-27 | 2021-08-27 | 京东方科技集团股份有限公司 | Display parameter adjusting method and device and display device |
| CN112185307B (en) * | 2020-10-13 | 2022-03-01 | 海信视像科技股份有限公司 | Display apparatus and display control method |
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