CN106952580B - A kind of method of adjustment and device of the display area of the flexible display screen of terminal - Google Patents
A kind of method of adjustment and device of the display area of the flexible display screen of terminal Download PDFInfo
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- CN106952580B CN106952580B CN201710086039.3A CN201710086039A CN106952580B CN 106952580 B CN106952580 B CN 106952580B CN 201710086039 A CN201710086039 A CN 201710086039A CN 106952580 B CN106952580 B CN 106952580B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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Abstract
The present embodiments relate to field of communication technology more particularly to a kind of methods of adjustment and device of the display area of the flexible display screen of terminal, for effectively adjusting the display area of flexible display screen.In the case where determining that flexible display screen occurs bending and deformation, the curvature of each pixel in all pixels point of the flexible display screen after occuring bending and deformation is determined；According to the curvature of each pixel in all pixels of flexible display screen point, to be adjusted display area of the flexible display screen after occuring bending and deformation is determined；The display area of flexible display screen is adjusted to display area to be adjusted；And then the display area of flexible display screen is effectively adjusted, avoid the problem that the user caused by being bent because of flexible display screen can not see entire content shown by display area clearly.
Description
Technical field
The present embodiments relate to the communications field more particularly to a kind of adjustment of the display area of the flexible display screen of terminal
Method and apparatus.
Background technique
With the development of terminal display technology, the terminal for carrying flexible display screen is shown up prominently gradually.Flexible display screen
Terminal provide the user a possibility that more and application scenarios, for example flexible display screen is applied to TV, than plane
The visual effect of display screen is more preferable；For another example flexible display screen is applied on wearable device, flexible flexible screen can be fitted
The skin of the fitting user of answering property.But when the bending degree of terminal is excessively high, it is possible to following problems occur: user can only see
The display content for understanding face eyeball, due to visual angle, the display content of other bending parts will generate pixel distortion, color
The problems such as coloured silk distortion, cause user that can not normally see the entire content of display area.
In the prior art, the test problems to the bending degree of flexible display screen are mainly solved, do not can effectively solve
Because user caused by flexible display screen bending can not see entire content shown by the display area of flexible display screen clearly
Problem.Therefore, the method for adjustment for needing a kind of display area of the flexible display screen of terminal allows users to see viewing area clearly
Entire content shown by domain.
Summary of the invention
The embodiment of the present invention provides the method for adjustment and device of a kind of display area of the flexible display screen of terminal, to have
The display area of effect adjustment flexible display screen, avoids the user caused by being bent because of flexible display screen that from can not seeing display area institute clearly
The problem of entire content of display.
The embodiment of the present invention provides a kind of method of adjustment of the display area of the flexible display screen of terminal, which is characterized in that
The described method includes: being determined after occuring bending and deformation in the case where determining that the flexible display screen occurs bending and deformation
The curvature of each pixel in all pixels point of the flexible display screen；According in all pixels of flexible display screen point
The curvature of each pixel determines to be adjusted display area of the flexible display screen after occuring bending and deformation；It will be described soft
The display area of property display screen is adjusted to the display area to be adjusted.
Optionally, each pixel in all pixels point for determining the flexible display screen after occuring bending and deformation
The curvature of point, comprising: obtain the first measured value of the pixel that gravity sensor measures；Wherein, first measured value
The D coordinates value of the gravity sensor position before occuring bending and deformation for the flexible display screen；Gravity is obtained to pass
Second measured value of the pixel that sensor measures；Wherein, second measured value is that the flexible display screen bends
The D coordinates value of the deformed gravity sensor position；According to first measured value and second measurement
Value, determines the curvature of each pixel in all pixels point of the flexible display screen after occuring bending and deformation.
Optionally, in all pixels point according to the flexible display screen each pixel curvature, determine described in
To be adjusted display area of the flexible display screen after occuring bending and deformation, comprising: according to all pixels of the flexible display screen
The curvature of each pixel in point determines that curvature is greater than the pixel of curvature threshold；It is greater than curvature threshold according to the curvature
Pixel, determine to be adjusted display area of the flexible display screen after occuring bending and deformation.
Optionally, the pixel that curvature threshold is greater than according to the curvature, determines that the flexible display screen is occurring
Display area to be adjusted after bending deformation, comprising: determine all pixels point after the flexible display screen occurs bending and deformation
The Two-dimensional Surfaces of composition；On the reference plane by Two-dimensional Surfaces projection, curve is obtained；The reference planes be and described two
Tie up the vertical two-dimensional surface of the straight line of the pixel composition of the maximum curvature on curved surface；Reference is projected according to the Two-dimensional Surfaces
Curve is obtained in plane, determines that curvature is greater than the arc length of the curve of the pixel composition of curvature threshold；According to the arc length, with
And the original size of the corresponding flexible display screen of the arc length, determine the display area to be adjusted and the Flexible Displays
Ratio between the original display region of screen；Using the length of the flexible display screen and wide center as origin, according to the ratio,
Determine the to be adjusted display area of the flexible display screen after occuring bending and deformation.
Optionally, described according to first measured value and second measured value, it determines after occuring bending and deformation
The curvature of each pixel in all pixels point of the flexible display screen, comprising: according to first measured value and described
Two measured values determine that the Two-dimensional Surfaces project the corresponding curve normal equation of curve obtained on the reference plane；According to
The curve normal equation and first measured value and second measured value calculate the curvature greater than curvature threshold
Pixel in each pixel curvature；The curve normal equation is parabolic standard equation.
Optionally, determine that the flexible display screen occurs bending and deformation in the following manner: by being set to the flexibility
The gravity sensor of display screen peripheral determines that the flexible display screen occurs bending and deformation；Or, described flexible aobvious by being set to
Pressure sensor in display screen interlayer determines that the flexible display screen occurs bending and deformation.
The embodiment of the present invention provides a kind of adjustment device of the display area of the flexible display screen of terminal, described device packet
Include: processing unit is occuring bending and deformation for determining in the case where determining that the flexible display screen occurs bending and deformation
Afterwards in all pixels point of the flexible display screen each pixel curvature；According to all pixels of flexible display screen point
In each pixel curvature, determine to be adjusted display area of the flexible display screen after occuring bending and deformation；Adjustment is single
Member, for the display area of the flexible display screen to be adjusted to the display area to be adjusted.
Optionally, described device further includes acquiring unit；The acquiring unit, is used for: obtaining what gravity sensor measured
First measured value；Obtain the second measured value that gravity sensor measures；Wherein, first measured value is the flexible display screen
The D coordinates value of the gravity sensor position before occuring bending and deformation；Second measured value is described flexible aobvious
Display screen occur bending and deformation after the gravity sensor position D coordinates value；The processing unit, is used for: according to
First measured value and second measured value, determine all pixels of the flexible display screen after occuring bending and deformation
The curvature of each pixel in point.
Optionally, the processing unit, is used for: according to each pixel in all pixels of flexible display screen point
Curvature determines that curvature is greater than the pixel of curvature threshold；According to the curvature be greater than curvature threshold pixel, determine described in
To be adjusted display area of the flexible display screen after occuring bending and deformation.
Optionally, the processing unit, is used for: determining all pixels point after the flexible display screen occurs bending and deformation
The Two-dimensional Surfaces of composition；Two-dimensional Surfaces projection is obtained into curve on the reference plane；The reference planes be and described two
Tie up the vertical two-dimensional surface of the straight line of the pixel composition of the maximum curvature on curved surface；Reference is projected according to the Two-dimensional Surfaces
Curve is obtained in plane, determines that curvature is greater than the arc length of the curve of the pixel composition of curvature threshold；According to the arc length, with
And the original size of the corresponding flexible display screen of the arc length, determine the display area to be adjusted and the Flexible Displays
Ratio between the original display region of screen；Using the length of the flexible display screen and wide center as origin, according to the ratio,
Determine the to be adjusted display area of the flexible display screen after occuring bending and deformation.
Optionally, the processing unit, is used for: according to first measured value and second measured value, determining institute
It states Two-dimensional Surfaces and projects the corresponding curve normal equation of curve obtained on the reference plane；According to the curve normal equation,
And first measured value and second measured value, calculate curvature on the curve be greater than it is every in the pixel of curvature threshold
The curvature of a pixel；The curve normal equation is parabolic standard equation.
Optionally, the processing unit, is used for: the gravity sensor by being set to the flexible display screen periphery determines
The flexible display screen occurs bending and deformation；Or, being determined by the pressure sensor being set in the flexible display screen interlayer
The flexible display screen occurs bending and deformation.
In the embodiment of the present invention, in the case where determining that flexible display screen occurs bending and deformation, determine bending
After deformation in all pixels point of flexible display screen each pixel curvature；According to every in all pixels of flexible display screen point
The curvature of a pixel determines to be adjusted display area of the flexible display screen after occuring bending and deformation；In this way, can effectively adjust
The display area of flexible display screen, and then avoid the user caused by being bent because of flexible display screen that from can not seeing display area clearly and show
The problem of entire content shown.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced.
Fig. 1 is the structural schematic diagram before a kind of flexible display screen bending of terminal provided in an embodiment of the present invention；
Fig. 1 a is the structural schematic diagram after a kind of flexible display screen bending deformation of terminal provided in an embodiment of the present invention；
Fig. 1 b is the structural schematic diagram after the flexible display screen bending deformation of another terminal provided in an embodiment of the present invention；
Fig. 2 is that a kind of method of adjustment process of the display area of the flexible display screen of terminal provided in an embodiment of the present invention is shown
It is intended to；
Fig. 3 is the Two-dimensional Surfaces signal of the flexible display screen formation after provided in an embodiment of the present invention occur bending and deformation
Figure；
Fig. 3 a is the curve synoptic diagram that Two-dimensional Surfaces provided in an embodiment of the present invention are projected in reference planes formation；
Fig. 4 is the method for adjustment stream of the display area of the flexible display screen provided in an embodiment of the present invention in another terminal
Journey schematic diagram；
Fig. 5 is that a kind of adjustment apparatus structure of the display area of the flexible display screen of terminal provided in an embodiment of the present invention shows
It is intended to.
Specific embodiment
In order to which the purpose of the present invention, technical solution and beneficial effect is more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not intended to limit the present invention.
Fig. 1 illustrates the structural representation before a kind of flexible display screen bending of the applicable terminal of the embodiment of the present invention
Scheme, a settable gravity sensor in terminal may also set up multiple gravity sensors；
As shown in Figure 1, terminal 100 includes flexible display screen 101, gravity sensor 102, gravity sensor 103, gravity biography
Sensor 104 and gravity sensor 105, wherein gravity sensor 102 is used to obtain 102 institute of gravity sensor on the terminal 100
It is used to obtain 103 position of gravity sensor on the terminal 100 in the D coordinates value of position, gravity sensor 103
D coordinates value, gravity sensor 104 are used to obtain the three-dimensional coordinate of 104 position of gravity sensor on the terminal 100
Value and gravity sensor 105 are used to obtain the D coordinates value of 105 position of gravity sensor on the terminal 100；Terminal
The adjustment device of the display area of flexible display screen is additionally provided on 100, for executing terminal provided in an embodiment of the present invention
The method of adjustment of the display area of flexible display screen.
As shown in Figure 1, there are two axis, respectively 101 length direction of flexible display screen in the display area of terminal 100
101 width direction of AB axis and flexible display screen CD axis；The mode of setting gravity sensor has more at the terminal
Kind, wherein a kind of mode an are as follows: gravity sensor is respectively set in every one end of the AB axis of terminal；Another way are as follows:
A gravity sensor is respectively set in every one end of the CD axis of terminal；There are also a kind of mode are as follows: in the AB axis of terminal
Every one end is respectively set a gravity sensor and a gravity sensor is respectively set in the every one end of CD axis.
In the embodiment of the present invention, there are following two kinds of situations for the terminal that flexible display screen occurs bending and deformation:
The first, if the flexible display screen 101 of the direction curved extremities according to AB axis bending, obtains shown in Fig. 1 a
Terminal after bending deformation；
Second, if the flexible display screen 101 of the direction curved extremities according to CD axis bending, obtains shown in Fig. 1 b
Terminal after bending deformation.
Fig. 1 a illustrates the knot after a kind of flexible display screen bending deformation of the applicable terminal of the embodiment of the present invention
Structure schematic diagram, as shown in Figure 1a, terminal 100 include flexible display screen 101, gravity sensor 102 and gravity sensor 103,
In, gravity sensor 102 and gravity sensor 103 are respectively arranged at the both ends of AB axis, and gravity sensor 102 is for obtaining end
The D coordinates value of position on end 100 where gravity sensor 102；Gravity sensor 103 is for obtaining gravity in terminal 100
The D coordinates value of position where sensor 103.
After Fig. 1 b illustrates the flexible display screen bending deformation of the applicable another terminal of the embodiment of the present invention
Structural schematic diagram, as shown in Figure 1 b, terminal 100 include flexible display screen 101, gravity sensor 104 and gravity sensor 105,
Wherein, gravity sensor 104 and gravity sensor 105 are set to the both ends of CD axis, and gravity sensor 104 is for obtaining terminal
The D coordinates value of position on 100 where gravity sensor 104；Gravity sensor 105 is passed for obtaining gravity in terminal 100
The D coordinates value of position where sensor 105.
For the terminal in above-mentioned Fig. 1 a according to the direction bending flexible display screen 101 of AB axis bending, the end in Fig. 1 b
End is bent 101 two kinds of situations of flexible display screen according to the direction of CD axis bending, after the flexible display screen bending of terminal, user
Because can't see the fringe region on flexible display screen, causes not seeing entire display area, pass through the display of flexible display screen
The adjustment device in region adjusts the display area of flexible display screen 101, so that user can see entire display area clearly.
Fig. 2 illustrates a kind of adjustment of the display area of the flexible display screen of terminal provided in an embodiment of the present invention
Method flow schematic diagram.
Based on system architecture shown in FIG. 1, as shown in Fig. 2, a kind of Flexible Displays of terminal provided in an embodiment of the present invention
The method of adjustment of the display area of screen, comprising the following steps:
S201: it in the case where determining that flexible display screen occurs bending and deformation, determines flexible after occuring bending and deformation
The curvature of each pixel in all pixels point of display screen；
S202: according to the curvature of each pixel in all pixels of flexible display screen point, determine that flexible display screen is being sent out
Display area to be adjusted after raw bending deformation；
S203: the display area of flexible display screen is adjusted to display area to be adjusted.
Based on the above embodiment, it in S201, determines there are many modes that flexible display screen occurs bending and deformation, can adopt
With the gravity sensor mode being set in flexible display screen, the pressure sensor being set in flexible display screen can also be used
Mode；For example, detecting the first measured value of flexible display screen gravity sensor position when smooth using gravity sensor
With the second measured value of flexible display screen gravity sensor position in bending deformation, measured in the first measured value and second
In the case that value is different, determine that flexible display screen occurs bending and deformation；For another example by the way of pressure sensor, by pressure
Sensor is set in the interlayer of flexible display screen, and one or more pressure sensors can be set, and a pressure sensor is surveyed
Whether the value obtained is the pressure value of the pressure sensor position, changed by the pressure value that pressure sensor is surveyed,
Determine whether flexible display screen bends；That is, pressure sensor illustrates Flexible Displays in measured value difference twice
Screen bends.
Based on the above embodiment, in S202, for example, the flexibility before bending as shown in above-mentioned Fig. 1
Display screen, the display area of the flexible display screen before bending are the original display region of the flexible display screen；As above
It states after the flexible display screen in Fig. 1 occurs bending and deformation, obtains the display screen after bending as shown in above-mentioned Fig. 1 a, user is not
It can see the original display region of the flexible display screen.
In the embodiment of the present invention, display area to be adjusted is the region that user can see clearly, determines display area to be adjusted
Mode there are many, if flexible display screen is bent by mode as shown in Figure 1a, one way in which are as follows: curvature is big
Region where pixel in curvature threshold is as display area to be adjusted；Another way are as follows: curvature is greater than curvature threshold
Length of the length in the region where the pixel of value as display area to be adjusted, according to length ratio and original display region
Width calculates the width of display area to be adjusted, according to the length and width of display area to be adjusted, determines viewing area to be adjusted
Domain；If flexible display screen is bent by mode as shown in Figure 1 b, one way in which are as follows: curvature is greater than curvature threshold
Pixel where region width of the width as display area to be adjusted, using the length in original display region as to be adjusted
The length of display area determines display area to be adjusted according to the length and width of display area to be adjusted；Another way are as follows: will
Curvature is greater than the width of the width as display area to be adjusted in the region where the pixel of curvature threshold, according to width ratio and
The length in original display region calculates the length of display area to be adjusted, according to the length and width of display area to be adjusted, determines
Display area to be adjusted；The mode of determination display area to be adjusted in the embodiment of the present invention, be not limited to it is above-mentioned enumerate it is several
Mode.
In the embodiment of the present invention, after detecting that flexible display screen bends, triggering gravity sensor detects gravity
The D coordinates value of sensor position.Wherein, the gravity sensor institute of triggering gravity sensor detection bending front and back is in place
There are many modes for the coordinate value set, and the embodiment of the present invention provides a kind of mode are as follows: is detecting that flexible display screen bends
When, automatic trigger gravity sensor detects the coordinate value of gravity sensor position；The embodiment of the present invention provides another kind side
Formula are as follows: the coordinate value of user's manually opened gravity sensor detection gravity sensor position.
Based on above-mentioned S201, in the embodiment of the present invention, all pictures of the flexible display screen after occuring bending and deformation are determined
The curvature of each pixel in vegetarian refreshments, comprising: obtain the first measured value that gravity sensor measures；Wherein, the first measured value is
Flexible display screen occur bending and deformation before gravity sensor position D coordinates value；Obtain what gravity sensor measured
Second measured value；Wherein, the second measured value is the gravity sensor position after flexible display screen occurs bending and deformation
D coordinates value；According to the first measured value and the second measured value, the institute of the flexible display screen after occuring bending and deformation is determined
There is the curvature of each pixel in pixel.
For example, when detecting that flexible display screen bends by the pressure sensor being set in terminal, triggering
Gravity sensor detects the D coordinates value of the gravity sensor position；With after bending flexible aobvious shown in above-mentioned Fig. 1 a
For display screen, the gravity sensor at the both ends of the display screen on AB axis is set, by taking the gravity sensor where B point as an example,
The gravity sensor is for detecting the first measured value (X before flexible display screen B point occurs bending and deformations,Ys,Zs) and the generation of B point
The second measured value (X after bending deformatione,Ye,Ze), in this way, the first measured value and second that can be measured by gravity sensor
Measured value determines flexible display screen curvature after occuring bending and deformation, and then determines the display area to be adjusted of flexible display screen, has
The display area of effect adjustment flexible display screen, avoids the user caused by being bent because of flexible display screen that from can not seeing display area institute clearly
The problem of entire content of display.
Based on above-mentioned S202, in the embodiment of the present invention, according to each pixel in all pixels of flexible display screen point
Curvature determines to be adjusted display area of the flexible display screen after occuring bending and deformation, comprising: according to all of flexible display screen
The curvature of each pixel in pixel determines that curvature is greater than the pixel of curvature threshold；It is greater than curvature threshold according to curvature
Pixel, determine to be adjusted display area of the flexible display screen after occuring bending and deformation.Since user can see curvature clearly
Therefore the display area of flexible display screen is adjusted to by display area to be adjusted determined by the pixel greater than curvature threshold
Display area to be adjusted can effectively adjust the display area of flexible display screen, and then can be avoided because flexible display screen is bent institute
Caused by user the problem of can not seeing entire content shown by display area clearly.
In the embodiment of the present invention, the pixel of curvature threshold is greater than according to curvature, determines that flexible display screen is bending
Deformed display area to be adjusted, comprising: determine all pixels point forms after flexible display screen occurs bending and deformation two
Tie up curved surface；Two-dimensional Surfaces projection is obtained into curve on the reference plane；Reference planes be and the maximum curvature on Two-dimensional Surfaces
The vertical two-dimensional surface of the straight line of pixel composition；Curve is obtained on the reference plane according to Two-dimensional Surfaces projection, is determined
The arc length for the curve that the pixel that curvature is greater than curvature threshold out forms；According to arc length and the corresponding flexible display screen of arc length
Original size, determine the ratio between display area to be adjusted and the original display region of flexible display screen；With Flexible Displays
The length of screen and wide center are that origin according to ratio determines to be adjusted display of the flexible display screen after occuring bending and deformation
Region.
Fig. 3 illustrate the embodiment of the present invention be applicable in occur bending and deformation after flexible display screen formed two dimension
Curved surface schematic diagram.Flexible display screen after bending as shown in Fig. 1 a, obtains Two-dimensional Surfaces MNN ' M ' as shown in Figure 3, and two
The straight line for tieing up the pixel composition of the maximum curvature on curved surface is CD line, then reference planes are the YOZ plane vertical with CD line.
Fig. 3 a, which illustrates the applicable Two-dimensional Surfaces of the embodiment of the present invention and is projected in the curve of reference planes formation, to be shown
It is intended to.In the embodiment of the present invention, Two-dimensional Surfaces MNN ' M ' is projected on reference planes YOZ, obtains curve as shown in Figure 3a
MN。
In the embodiment of the present invention, the arc length of curve MN is determined, according to the arc length of curve MN, the original ruler of flexible display screen
The very little ratio determined between display area to be adjusted and the original display region of flexible display screen；Wherein, flexible display screen
Original size includes the original length and original width of flexible display screen；Had according to the mode of ratio-dependent display area to be adjusted
It is a variety of, one of embodiment are as follows: determine the ratio of the arc length of curve MN and the original length of flexible display screen, compared with this
Example equal proportion determines the width of display area to be adjusted, and using the arc length of curve MN as the length of display area to be adjusted,
And then determine display area to be adjusted；Wherein another embodiment are as follows: determine the arc length and flexible display screen of curve MN
The ratio of original length goes out display area to be adjusted using this ratio as proportion threshold value to be less than the ratio-dependent of proportion threshold value
Width, and using the arc length of curve MN as the length of display area to be adjusted；A kind of embodiment can also be provided are as follows: with curve MN
Length of the arc length as display area to be adjusted, take the original width of flexible display screen as the width of display area to be adjusted；
In this way, the display area to be adjusted determined, and then effectively adjust the display area of flexible display screen.
Optionally, according to the first measured value and the second measured value, the flexible display screen after occuring bending and deformation is determined
The curvature of each pixel in all pixels point, comprising: according to the first measured value and the second measured value, determine that Two-dimensional Surfaces are thrown
The corresponding curve normal equation of the curve that shadow obtains on the reference plane；According to curve normal equation and the first measured value and
Second measured value calculates the curvature that curvature on the curve is greater than each pixel in the pixel of curvature threshold.
In the embodiment of the present invention, there are many curves that Two-dimensional Surfaces projection obtains on the reference plane, the embodiment of the present invention
There is provided a kind of curve is camber line, for example, being formed using straight line axis CD to the left or to the right as bending shaft flexible display screen symmetrical
The asymmetric camber line in axis both sides；It is parabola that the embodiment of the present invention, which also provides a kind of curve, for example, in terminal as shown in Figure 1,
It is that symmetrical bending shaft flexible display screen forms symmetrical parabolic with axis CD.In the embodiment of the present invention, the normal equation root of curve
It is determined according to curve type.
It further, is that symmetrical bending shaft flexible display screen forms symmetrical parabolic with axis CD in terminal as shown in Figure 1
Line, curve normal equation are parabolic standard equation.In this way, being assured that out that curvature is greater than song according to parabolic standard equation
The coordinate range of the display area to be adjusted of rate threshold value, and then determine to be suitble to use after flexible display screen occurs bending and deformation
The display area to be adjusted of family viewing, effectively adjustment display area.
For example, by taking curve normal equation is parabolic standard equation as an example, introduce how to determine viewing area to be adjusted
Domain.As shown in Figure 3a, Two-dimensional Surfaces project the curve MN obtained on the reference plane；The Flexible Displays measured with gravity sensor
The first measured value of B point is (X before screen occurs bending and deformations,Ys,Zs) and the second measured value of B point is after occuring bending and deformation
(Xe,Ye,Ze) for, according to the first measured value and the second measured value, determine that detailed process is as follows for display area to be adjusted:
The first step, set the parabolic equation of curve MN asy=px2, wherein x is parabola in two-dimensional coordinate system XOY
X value,yFor parabola in two-dimensional coordinate system XOY Y value,pFor proportionality coefficient；
Second step, according to the first measured value (Xs,Ys,Zs) and the second measured value (Xe,Ye,Ze), determine the coordinate (A* of N point
S*(Ye-Ys),A*S*(Zs-Ze))；
Third step brings the coordinate of the N point intoy=px2, obtain parabolic equation:
Third step calculates in parabolic equationyFirst derivative beIt is with second dervativeIt willyFirst derivative andySecond dervative bring curvature equation into and beIt is available
Curvature equation isWherein, Zs, Ze, Ye, Ys, A, S are constant,
ThenFor constant；If C is equal toThen curvature equation isIts
In, C is constant, and K is curvature, and x is the corresponding x of each pixel in curve that the flexible display screen after occuring bending and deformation is formed
Value；
Curvature threshold is set T by 4th step, enablesThat is, then curvature is greater than curvature threshold
The corresponding x value of pixel meets:
5th step calculates arc length M of the curvature greater than the curve of curvature threshold according to x value range obtained in the 4th step,
Wherein, C is constant, and T is curvature threshold, and ∫ indicates that integral, x are in the curve that the flexible display screen after occuring bending and deformation is formed
The corresponding x value of each pixel, * expression multiply:
5th step determines display area to be adjusted according to arc length M: complete display area is long under screen flat conditions
For 2S, width 2D, using arc length M as display area length to be adjusted after bending, the width adjustment of display area to be adjusted is
N then adjusts the display area of flexible display screen, the width of display area to be adjusted in the way of equal proportion adjustment are as follows:
6th step, according to the size of display area to be adjusted, in proportionAdjust the display area of flexible display screen.
Based on embodiment, further, determine that the flexible display screen occurs bending and deformation in the following manner: by setting
The gravity sensor or pressure sensor for being placed in the flexible display screen periphery determine that the flexible display screen occurs bending and deformation.
In this way, can accurately determine whether flexible display screen bends, and then in the case where bending, gravity sensitive is triggered
The coordinate value of each pixel on the flexible display screen of device detection bending front and back.
Above method process is introduced in order to clearer, the embodiment of the present invention provides following example.
Fig. 4 illustrates the tune of the display area of the flexible display screen of another terminal provided in an embodiment of the present invention
Adjusting method flow diagram, based on the flexible display screen of terminal shown in Fig. 1, Fig. 1 a, Fig. 1 b, as shown in figure 4, this method includes
Following steps:
S401: pass through the pressure for being set to the gravity sensor on flexible display screen periphery or being set in flexible display screen interlayer
Force snesor determines whether flexible display screen occurs bending and deformation；If so, executing S402；If it is not, then continuing to execute S401；
S402: the first measured value that gravity sensor measures is obtained；Wherein, the first measured value is that flexible display screen generation is curved
The D coordinates value of gravity sensor position before song deformation；
S403: the second measured value of the pixel that gravity sensor measures is obtained；Wherein, the second measured value is Flexible Displays
Shield the D coordinates value of the gravity sensor position after occuring bending and deformation；
S404: the Two-dimensional Surfaces that all pixels point forms after flexible display screen occurs bending and deformation are determined；
S405: Two-dimensional Surfaces projection is obtained into curve on the reference plane；Reference planes be and the curvature on Two-dimensional Surfaces
The vertical two-dimensional surface of the straight line of maximum pixel composition；
S406: according to the first measured value and the second measured value, determine that the Two-dimensional Surfaces projection obtains on the reference plane
The corresponding curve normal equation of the curve arrived；Wherein, curve normal equation is parabolic standard equation；
S407: according to curve normal equation, the curvature of each pixel in all pixels point of flexible display screen is determined；
S408: according to the curvature of each pixel, determine that curvature is greater than the coordinate of the pixel of curvature threshold；
S409: being greater than the coordinate of the pixel of curvature threshold according to curvature, determines that curvature is greater than the pixel of curvature threshold
The arc length of the curve of point composition；
S410: according to arc length and the original size of the corresponding flexible display screen of arc length, determine display area to be adjusted with
Ratio between the original display region of flexible display screen；
S411: using the length of flexible display screen and wide center as origin, according to ratio, determine that flexible display screen is occurring
Display area to be adjusted after bending deformation.
S412: the display area of flexible display screen is adjusted to display area to be adjusted.
It can be seen from the above: in the case where determining that flexible display screen occurs bending and deformation, determining occurring
After bending deformation in all pixels point of flexible display screen each pixel curvature；According to all pixels of flexible display screen point
In each pixel curvature, determine to be adjusted display area of the flexible display screen after occuring bending and deformation；In this way, can be effective
The display area of flexible display screen is adjusted, and then avoids the user caused by being bent because of flexible display screen that from can not seeing display area clearly
The problem of shown entire content.Further, it is determined since user can see curvature clearly greater than the pixel of curvature threshold
Display area to be adjusted, accordingly, it is determined that the curvature of each pixel after flexible display screen bending, is greater than according to curvature
The pixel of curvature threshold goes to push up display area to be adjusted, can effectively determine display area to be adjusted, and then avoids because flexibility is aobvious
The problem of user caused by display screen bending can not see entire content shown by display area clearly.
Fig. 5 illustrates a kind of adjustment of the display area of the flexible display screen of terminal provided in an embodiment of the present invention
The structural schematic diagram of device.
Based on same idea, a kind of adjustment dress of the display area of the flexible display screen of terminal provided in an embodiment of the present invention
It sets, for executing above method process, as shown in figure 5, the adjustment device 500 includes processing unit 502 and adjustment unit 503；
It optionally, further include acquiring unit 501；Wherein:
Processing unit 502 is occurring for determining in the case where determining that the flexible display screen occurs bending and deformation
After bending deformation in all pixels point of the flexible display screen each pixel curvature；According to the institute of the flexible display screen
There is the curvature of each pixel in pixel, determines to be adjusted viewing area of the flexible display screen after occuring bending and deformation
Domain；
Adjustment unit 503, for the display area of the flexible display screen to be adjusted to the display area to be adjusted.
Optionally, described device further includes acquiring unit 501；The acquiring unit 501, is used for: obtaining gravity sensor
The first measured value measured；Obtain the second measured value that gravity sensor measures；Wherein, first measured value is the flexibility
Display screen occur bending and deformation before the gravity sensor position three-dimensional coordinate value；Second measured value is institute
State the three-dimensional coordinate value of the gravity sensor position after flexible display screen occurs bending and deformation；The processing unit
502, it is used for: according to first measured value and second measured value, determining described flexible aobvious after occuring bending and deformation
The curvature of each pixel in all pixels point of display screen.
Optionally, the processing unit 502, is used for: according to each pixel in all pixels of flexible display screen point
The curvature of point determines that curvature is greater than the pixel of curvature threshold；It is greater than the pixel of curvature threshold according to the curvature, determines
To be adjusted display area of the flexible display screen after occuring bending and deformation.
Optionally, the processing unit 502, is used for: determining all pictures after the flexible display screen occurs bending and deformation
The Two-dimensional Surfaces of vegetarian refreshments composition；Two-dimensional Surfaces projection is obtained into curve on the reference plane；The reference planes for institute
State the vertical two-dimensional surface of the straight line of the pixel composition of the maximum curvature on Two-dimensional Surfaces；It is projected according to the Two-dimensional Surfaces
Curve is obtained in reference planes, determines the arc length for the curve that the pixel that curvature is greater than curvature threshold on the curve forms；
According to the arc length and the original size of the corresponding flexible display screen of the arc length, the viewing area to be adjusted is determined
Ratio between domain and the original display region of the flexible display screen；It is original with the length of the flexible display screen and wide center
Point determines the to be adjusted display area of the flexible display screen after occuring bending and deformation according to the ratio.
Optionally, the processing unit 502, is used for: according to first measured value and second measured value, determining
The Two-dimensional Surfaces project the corresponding curve normal equation of curve obtained on the reference plane；According to the curve standard side
Journey and first measured value and second measured value calculate the pixel that curvature on the curve is greater than curvature threshold
In each pixel curvature；The curve normal equation is parabolic standard equation.
Optionally, the processing unit 502, is used for: the gravity sensor by being set to the flexible display screen periphery
Determine that the flexible display screen occurs bending and deformation；Or, passing through the pressure sensor being set in the flexible display screen interlayer
Determine that the flexible display screen occurs bending and deformation.
It can be seen from the above: in the case where determining that flexible display screen occurs bending and deformation, determining occurring
After bending deformation in all pixels point of flexible display screen each pixel curvature；According to all pixels of flexible display screen point
In each pixel curvature, determine to be adjusted display area of the flexible display screen after occuring bending and deformation；In this way, can be effective
The display area of flexible display screen is adjusted, and then avoids the user caused by being bent because of flexible display screen that from can not seeing display area clearly
The problem of shown entire content.Further, it is determined since user can see curvature clearly greater than the pixel of curvature threshold
Display area to be adjusted, accordingly, it is determined that the curvature of each pixel after flexible display screen bending, is greater than according to curvature
The pixel of curvature threshold goes to push up display area to be adjusted, can effectively determine display area to be adjusted, and then avoids because flexibility is aobvious
The problem of user caused by display screen bending can not see entire content shown by display area clearly.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as the production of method, system or computer program
Product.Therefore, in terms of the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and hardware
Embodiment form.Moreover, it wherein includes computer available programs generation that the embodiment of the present invention, which can be used in one or more,
The meter implemented in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of code
The form of calculation machine program product.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, equipment (system) and computer program product
Flowchart and/or the block diagram describe.It should be understood that can be realized by computer program instructions in flowchart and/or the block diagram
The combination of process and/or box in each flow and/or block and flowchart and/or the block diagram.It can provide these calculating
Processing of the machine program instruction to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices
Device is to generate a machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute
For realizing the function of being specified in one or more flows of the flowchart and/or one or more blocks of the block diagram
Device.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Obviously, those skilled in the art can carry out various modification and variations without departing from this Shen to the embodiment of the present invention
Spirit and scope please.In this way, if these modifications and variations of the embodiment of the present invention belong to the claim of this application and its wait
Within the scope of technology, then the application is also intended to include these modifications and variations.
Claims (10)
1. a kind of method of adjustment of the display area of the flexible display screen of terminal, which is characterized in that the described method includes:
In the case where determining that the flexible display screen occurs bending and deformation, determine described flexible aobvious after occuring bending and deformation
The curvature of each pixel in all pixels point of display screen；
According to the curvature of each pixel in all pixels of flexible display screen point, determine that the flexible display screen is occurring
Display area to be adjusted after bending deformation；
The display area of the flexible display screen is adjusted to the display area to be adjusted；
Wherein, in all pixels point for determining the flexible display screen after occuring bending and deformation each pixel song
Rate, comprising:
Obtain the first measured value that gravity sensor measures；Wherein, first measured value is that flexible display screen generation is curved
The D coordinates value of the gravity sensor position before song deformation；
Obtain the second measured value that gravity sensor measures；Wherein, second measured value is that flexible display screen generation is curved
The D coordinates value of the bent deformed gravity sensor position；
According to first measured value and second measured value, the flexible display screen after occuring bending and deformation is determined
The curvature of each pixel in all pixels point.
2. the method as described in claim 1, which is characterized in that every in all pixels point according to the flexible display screen
The curvature of a pixel determines to be adjusted display area of the flexible display screen after occuring bending and deformation, comprising:
According to the curvature of each pixel in all pixels of flexible display screen point, determine that curvature is greater than curvature threshold
Pixel；
According to the curvature be greater than curvature threshold pixel, determine the flexible display screen after occuring bending and deformation wait adjust
Whole display area.
3. method according to claim 2, which is characterized in that the pixel for being greater than curvature threshold according to the curvature,
Determine to be adjusted display area of the flexible display screen after occuring bending and deformation, comprising:
Determine the Two-dimensional Surfaces that all pixels point forms after the flexible display screen occurs bending and deformation；
Two-dimensional Surfaces projection is obtained into curve on the reference plane；The reference planes be and the song on the Two-dimensional Surfaces
The vertical two-dimensional surface of the straight line of the maximum pixel composition of rate；
Curve is obtained on the reference plane according to Two-dimensional Surfaces projection, determines that curvature is greater than the pixel group of curvature threshold
At curve arc length；
According to the arc length and the original size of the corresponding flexible display screen of the arc length, determine described to be adjusted aobvious
Show the ratio between region and the original display region of the flexible display screen；
Using the length of the flexible display screen and wide center as origin, according to the ratio, determine that the flexible display screen exists
The display area to be adjusted after occuring bending and deformation.
4. method as claimed in claim 3, which is characterized in that described to be measured according to first measured value with described second
Value, determines the curvature of each pixel in all pixels point of the flexible display screen after occuring bending and deformation, comprising:
According to first measured value and second measured value, determine that the Two-dimensional Surfaces projection obtains on the reference plane
The corresponding curve normal equation of curve；
According to the curve normal equation and first measured value and second measured value, calculate bent on the curve
Rate is greater than the curvature of each pixel in the pixel of curvature threshold；The curve normal equation is parabolic standard equation.
5. the method as described in Claims 1-4 any claim, which is characterized in that determine in the following manner described soft
Property display screen occurs bending and deformation:
Gravity sensor by being set to the flexible display screen periphery determines that the flexible display screen occurs bending and deformation；
Or, determining that the flexible display screen bends change by the pressure sensor being set in the flexible display screen interlayer
Shape.
6. a kind of adjustment device of the display area of the flexible display screen of terminal, which is characterized in that described device includes:
Processing unit, in the case where determining that the flexible display screen occurs bending and deformation, determining in the change that bends
After shape in all pixels point of the flexible display screen each pixel curvature；According to all pixels of the flexible display screen
The curvature of each pixel in point determines to be adjusted display area of the flexible display screen after occuring bending and deformation；
Adjustment unit, for the display area of the flexible display screen to be adjusted to the display area to be adjusted；
Acquiring unit is used for:
Obtain the first measured value that gravity sensor measures；Obtain the second measured value that gravity sensor measures；Wherein, described
One measured value is the D coordinates value of the gravity sensor position before the flexible display screen occurs bending and deformation；Institute
State the three-dimensional coordinate that the second measured value is the gravity sensor position after the flexible display screen occurs bending and deformation
Value；
The processing unit, is also used to:
According to first measured value and second measured value, the flexible display screen after occuring bending and deformation is determined
The curvature of each pixel in all pixels point.
7. device as claimed in claim 6, which is characterized in that the processing unit is used for:
According to the curvature of each pixel in all pixels of flexible display screen point, determine that curvature is greater than curvature threshold
Pixel；
According to the curvature be greater than curvature threshold pixel, determine the flexible display screen after occuring bending and deformation wait adjust
Whole display area.
8. device as claimed in claim 7, which is characterized in that the processing unit is used for:
Determine the Two-dimensional Surfaces that all pixels point forms after the flexible display screen occurs bending and deformation；
Two-dimensional Surfaces projection is obtained into curve on the reference plane；The reference planes be and the song on the Two-dimensional Surfaces
The vertical two-dimensional surface of the straight line of the maximum pixel composition of rate；
Curve is obtained on the reference plane according to Two-dimensional Surfaces projection, determines that curvature is greater than curvature threshold on the curve
Pixel composition curve arc length；
According to the arc length and the original size of the corresponding flexible display screen of the arc length, determine described to be adjusted aobvious
Show the ratio between region and the original display region of the flexible display screen；
Using the length of the flexible display screen and wide center as origin, according to the ratio, determine that the flexible display screen exists
The display area to be adjusted after occuring bending and deformation.
9. device as claimed in claim 8, which is characterized in that the processing unit is used for:
According to first measured value and second measured value, determine that the Two-dimensional Surfaces projection obtains on the reference plane
The corresponding curve normal equation of curve；
According to the curve normal equation and first measured value and second measured value, calculate bent on the curve
Rate is greater than the curvature of each pixel in the pixel of curvature threshold；The curve normal equation is parabolic standard equation.
10. the device as described in claim 6 to 9 any claim, which is characterized in that the processing unit is used for:
Gravity sensor by being set to the flexible display screen periphery determines that the flexible display screen occurs bending and deformation；
Or, determining that the flexible display screen bends change by the pressure sensor being set in the flexible display screen interlayer
Shape.
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| CN108538203A (en) * | 2018-04-16 | 2018-09-14 | 努比亚技术有限公司 | Flexible screen abnormal curvatures alarm method, mobile terminal and readable storage medium storing program for executing |
| CN109192144B (en) * | 2018-10-26 | 2021-04-16 | 京东方科技集团股份有限公司 | Compensation sub-pixel unit, manufacturing and driving method, pixel structure and display panel |
| CN109799966A (en) * | 2018-12-20 | 2019-05-24 | 维沃移动通信有限公司 | A kind of method and electronic equipment of determining display area |
| CN111240407A (en) * | 2019-03-22 | 2020-06-05 | 卢丽君 | Flexible screen and three-dimensional display method of flexible screen |
| CN110069234A (en) * | 2019-04-29 | 2019-07-30 | 努比亚技术有限公司 | Interface display method, wearable device and computer readable storage medium |
| CN111489645B (en) * | 2020-04-23 | 2022-06-24 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method thereof and display device |
| WO2022087986A1 (en) * | 2020-10-29 | 2022-05-05 | 京东方科技集团股份有限公司 | Flexible circuit board and display device |
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| KR102081112B1 (en) * | 2013-07-31 | 2020-02-25 | 엘지디스플레이 주식회사 | Curved display device and method of controlling curvature thereof |
| KR102138508B1 (en) * | 2013-08-13 | 2020-07-28 | 엘지전자 주식회사 | Display device and method for controlling the same |
| KR20160004562A (en) * | 2014-07-03 | 2016-01-13 | 엘지전자 주식회사 | Display device and method for controlling the same |
| CN105225614A (en) * | 2015-10-26 | 2016-01-06 | 京东方科技集团股份有限公司 | A kind of camber display screen curvature regulating device and using method, curved-surface display device |
| CN105373364A (en) * | 2015-12-17 | 2016-03-02 | 英业达科技有限公司 | Wearable handheld device and display method thereof |
| CN105427761A (en) * | 2016-01-08 | 2016-03-23 | 京东方科技集团股份有限公司 | Display device with adjustable curvature |
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