CN108415618B - Method and device for controlling display of display screen and touch screen - Google Patents
Method and device for controlling display of display screen and touch screen Download PDFInfo
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- CN108415618B CN108415618B CN201810438726.1A CN201810438726A CN108415618B CN 108415618 B CN108415618 B CN 108415618B CN 201810438726 A CN201810438726 A CN 201810438726A CN 108415618 B CN108415618 B CN 108415618B
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000001788 irregular Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 8
- 239000010409 thin film Substances 0.000 description 8
- 230000002950 deficient Effects 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
Abstract
The invention discloses a method and a device for controlling display of a display screen and a touch screen. The method comprises the following steps: detecting whether a display area of a display screen has a failure point or not; when a failure point in a display area is detected, determining a failure area of the display screen according to the failure point; determining an effective area of the display screen according to the failure area; and displaying the content to be displayed in the effective area. The invention can reuse the effective area of the screen to work normally after the screen of the display screen is partially invalid.
Description
Technical Field
The invention relates to the field of display control, in particular to a method and a device for controlling display of a display screen and a touch screen.
Background
At present, when a screen part of a display screen fails, the whole display screen cannot work continuously and only can be maintained or replaced again, but the maintenance time is long and the replacement cost is high.
Disclosure of Invention
The invention provides a method and a device for controlling display of a display screen and a touch screen, which aim to solve the problems.
According to an aspect of the present invention, there is provided a method of controlling a display of a display screen, the method comprising:
detecting whether a display area of a display screen has a failure point or not;
when a failure point in a display area is detected, determining the failure area of the display screen according to the failure point;
determining an effective area of the display screen according to the failure area;
and displaying the content to be displayed in the effective area.
According to another aspect of the present invention, there is provided an apparatus for controlling a display of a display screen, the apparatus comprising:
the detection unit is used for detecting whether a display area of the display screen has a failure point or not;
the display screen comprises a failure area determining unit, a display area judging unit and a display control unit, wherein the failure area determining unit is used for determining a failure area of the display screen according to a failure point when the display area is detected to have the failure point;
the effective area determining unit is used for determining an effective area of the display screen according to the failure area;
and the display unit is used for displaying the content to be displayed in the effective area.
According to a further aspect of the present invention, there is provided a touch screen comprising the above apparatus for controlling display of a display screen.
The invention has the beneficial effects that: according to the technical scheme, the failure point in the display area of the display screen is detected, the failure area of the display screen is determined according to the failure point, the effective area of the display screen is re-determined, and the content to be displayed is displayed in the effective area, so that the problem that the whole display screen cannot continue to work once the display screen is partially failed in the prior art is solved.
Drawings
FIG. 1 is a flow chart of a method of controlling a display of a display screen in accordance with one embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating the division of an active area according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating another exemplary division of an active area according to the present invention;
FIG. 4 is a functional block diagram of an apparatus for controlling a display of a display screen according to an embodiment of the present invention;
fig. 5 is a functional structure diagram of a touch screen according to an embodiment of the present invention.
Detailed Description
The design concept of the invention is as follows: aiming at the problem that the whole display screen cannot continuously work when the screen part of the display screen in the prior art fails, the inventor thinks that the failure point of the display area of the display screen is detected, the failure area of the display screen is determined according to the failure point, the effective area of the display screen is determined according to the failure area, and the content to be displayed is displayed in the effective area, so that the effective area of the screen can be reused to normally work after the screen part of the display screen fails.
Fig. 1 is a flowchart of a method for controlling a display of a display screen according to an embodiment of the present invention, as shown in fig. 1:
s110, detecting whether a display area of the display screen has a failure point.
Here, the display screen refers to a device having a display function, such as a touch panel, a liquid crystal display, a dot matrix screen, or the like. Specifically, a common touch screen in the touch screen is a capacitive screen, and the capacitive screen is to implement multi-point touch control, and depends on electrodes for increasing mutual capacitance, in short, the screen is divided into blocks, and a group of mutual capacitance modules are arranged in each area and work independently, so that the method shown in fig. 1 can be applied to detect the capacitance modules (that is, each capacitance module can be used as a failure point) in each area of the capacitive screen, for example, detect whether the capacitance module is short-circuited or broken, and if the capacitance module is short-circuited or broken, the capacitance module is considered as a failure point. In addition, a display panel which is currently used is a TFT display panel, and a TFT (thinfilm transistor) is an abbreviation of a thin film transistor. The TFT type display screen is a mainstream display device in various notebook computers and desktop computers, and each liquid crystal pixel point on the display screen is driven by a thin film transistor integrated behind the pixel point, so the TFT type display screen is also a type of active matrix liquid crystal display device. Therefore, the method shown in fig. 1 may be applied to detect each thin film transistor (i.e., each thin film transistor may serve as a failure point) of the display panel, for example, whether the thin film transistor operates normally or not, and if the thin film transistor operates abnormally, the thin film transistor is considered as a failure point. Furthermore, the dot-matrix screen technology takes a full-color dot-matrix screen as an example, 192 LED chips are packaged in a module in a three-color set, the module forms a unit plate, the unit plate forms a dot-matrix display screen, and each LED chip works independently, so that the method shown in fig. 1 can be applied to detect each LED chip (that is, each LED chip can be used as a failure point) of the dot-matrix screen, for example, whether the LED chip works normally is detected, and if the LED chip works abnormally, the LED chip is considered as a failure point.
And S120, when the display area is detected to have the failure point, determining the failure area of the display screen according to the failure point.
And S130, determining an effective area of the display screen according to the failure area.
And S140, displaying the content to be displayed in the effective area.
Specifically, the display ratio of the content to be displayed is adjusted according to the ratio of the area of the effective region to the area of the display region, and the adjusted content to be displayed is displayed in the effective region. For example, if the ratio of the area of the effective region to the area of the display region is 8:10, the display ratio of the content to be displayed is adjusted according to the ratio, and the content to be displayed after the display ratio is adjusted is displayed in the effective region. The content to be displayed may be a manipulation interface.
Therefore, according to the technical scheme, the failure point in the display area of the display screen is detected, the effective area of the display screen is determined again according to the failure area of the display screen determined by the failure point, the content to be displayed is displayed in the effective area, and the problem that the whole display screen cannot work continuously in the prior art once the display screen is partially failed is solved.
Preferably, the "determining the failure region according to the failure point" in step 120 includes the following two ways.
The first implementation mode comprises the following steps: a connecting line between any two of all the failure points is used as a diagonal line to respectively determine a rectangular region, and the rectangular region including all the failure points is used as a failure region, for example, a connecting line between two failure points which are farthest away is used as a diagonal line to determine a rectangular region, and the rectangular region includes all the failure points, and then the rectangular region is used as a failure region.
The second implementation mode comprises the following steps: and respectively determining a circular area by taking the connecting line between any two failure points in all the failure points as the diameter, and taking the circular area including all the failure points as the failure area.
Therefore, only a rectangular or circular area containing all the failure points can be determined as the failure area, and the accuracy of determining the failure area is ensured.
Preferably, the "determining the effective area of the display screen according to the invalid area" in the step 130 can be mainly realized by the following two ways:
in a first manner, when the failure area is a rectangular area, the step S130 of "determining the effective area of the display screen according to the failure area" includes: acquiring a horizontal axis and a vertical axis corresponding to all boundaries of the failure area in the display area; dividing the display area into two areas by taking each horizontal axis and each vertical axis as dividing lines one by one, and respectively marking the two areas as a bad area and a selection area, wherein the area containing the failure area is the bad area, and the area not containing the failure area is the selection area; and acquiring the area of each selection area, and taking the selection area with the largest area as an effective area of the display screen.
Specifically, the determination of the effective area is explained for the case where the failure area is located at a different position of the display area of the display screen. Fig. 2 is a schematic diagram of division of an effective area according to an embodiment of the present invention, as shown in fig. 2(a), a failure area 201 is located at a corner of a display area of a display screen, in this case, the display area is divided into two areas only by taking a right vertical axis and a lower horizontal axis of a boundary of the failure area as dividing lines, and the display area is divided into two areas by taking the right vertical axis of the boundary of the failure area as dividing lines, as shown in fig. 2(b), a display area 202 is a failure area, and a display area 203 is a selection area 1; the display area is divided into two areas by using the lower horizontal axis of the dead area boundary as a dividing line, and as shown in fig. 2(c), the display area 204 is a defective area, and the display area 205 is a selection area 2. The areas of the selection region 1 and the selection region 2 are acquired, and the selection region 1 is taken as an effective region of the display screen if the area of the selection region 1 is larger than the area of the selection region 2.
Fig. 3 is a schematic diagram illustrating another effective area division according to an embodiment of the present invention, and as shown in fig. 3(a), the failure area 301 is located inside the display area. Dividing the display area into two areas with the upper horizontal axis of the boundary of the fail area 301 as a dividing line, as shown in fig. 3(b), the display area 302 is a defective area, and the display area 303 is a selection area 1; the display area is divided into two areas with the lower horizontal axis of the boundary of the defective area 301 as a dividing line, as shown in fig. 3(c), the display area 304 is a defective area, and the display area 305 is a selection area 2; dividing the display area into two areas with the left vertical axis of the boundary of the fail area 301 as a dividing line, as shown in fig. 3(d), the display area 306 is a defective area, and the display area 307 is a selection area 3; dividing the display area into two areas with the right vertical axis of the boundary of the fail area 301 as a dividing line, as shown in fig. 3(e), the display area 308 is a defective area, and the display area 309 is a selection area 4; the areas of the selection region 1, the selection region 2, the selection region 3, and the selection region 4 are acquired, and assuming that the area of the selection region 4 > the area of the selection region 3 > the area of the selection region 1 > the area of the selection region 2, the selection region 4 is regarded as an effective region in the display region.
Of course, when the failure region is a circular region, the right circumscribed rectangle of the circular region may be continuously used as the failure region, and the poor region and the selected region may be divided by the division method of fig. 2 or fig. 3.
The second mode mainly comprises the following three steps:
first, marking the failure region (the failure region includes a rectangular region or a circular region) determined in step S120, wherein the marking method includes various methods, for example, the entire failure region is marked by shading, as shown in fig. 2 or fig. 3; alternatively, the perimeter boundary of the failure zone is marked, for example, with bolded markings or differently colored markings; alternatively, four vertices of the failure area are marked (in this case, it should be noted that the failure area is rectangular). By marking the failure area, the user can know the position of the failure area, and can be guided to draw the sliding track in the maximum range in the effective area, and the display scale of the content to be displayed is improved.
And secondly, identifying each pixel point corresponding to the sliding track of the cursor or the touch point in the normal area outside the failure area.
The sliding trajectory here means: when the mouse moves on the display screen, the sliding track of the cursor in the normal display area; or, when the finger of the user slides on the touch screen, the sliding track of the touch point in the normal display area is touched.
And thirdly, according to the identified pixel points, generating an effective area in the display area according to a preset rule for generating a rectangular area or a rule for generating a circular area. Here, the predetermined rule includes regular shapes such as a square, a rectangle, a circle, and an ellipse. For example, if the sliding track is an irregular square, a regular square effective area will be generated. And if the sliding track is a straight line, taking the straight line as a diagonal line, and correspondingly generating a rectangle in the normal display area, wherein the rectangle is an effective area in the display area.
Fig. 4 is a functional structure diagram of an apparatus for controlling a display of a display screen according to an embodiment of the present invention, and as shown in fig. 4, the apparatus 400 for controlling a display of a display screen includes:
the detecting unit 410 is used for detecting whether a display area of the display screen has a failure point;
a failure area determining unit 420, configured to determine a failure area of the display screen according to a failure point when the display area is detected to have the failure point;
an effective area determining unit 430, configured to determine an effective area of the display screen according to the invalid area;
a display unit 440, configured to display the content to be displayed in the effective area.
In an embodiment of the present invention, the failure region determining unit 420 is specifically configured to determine a rectangular region by using a connection line between any two failure points in all the failure points as a diagonal line, and use the rectangular region including all the failure points as a failure region; or, a connecting line between any two of all the failure points is used as a diameter to respectively determine a circular area, and the circular area including all the failure points is used as a failure area.
In an embodiment of the present invention, the effective area determining unit 430 is specifically configured to, when the failure area is a rectangular area, obtain a horizontal axis and a vertical axis corresponding to all boundaries of the failure area in the display area; dividing the display area into two areas by taking each horizontal axis and each vertical axis as dividing lines one by one, and respectively marking the two areas as a bad area and a selection area, wherein the area containing the failure area is the bad area, and the area not containing the failure area is the selection area; acquiring the area of each selection area, and taking the selection area with the largest area as an effective area of the display screen; or marking the determined failure area; identifying each pixel point corresponding to the sliding track of the cursor or the touch point in the normal area outside the failure area; generating an effective area in the display area according to all the identified pixel points and a preset rule for generating a rectangular area or a rule for generating a circular area;
in an embodiment of the present invention, the display unit 440 is specifically configured to adjust a display ratio of the content to be displayed according to a ratio of an area of the effective region to an area of the display region; and displaying the content to be displayed after the display proportion is adjusted in the effective area.
It should be noted that the working process of the apparatus 400 for controlling display on a display screen in fig. 4 corresponds to the implementation manner of the embodiment of the method for controlling display on a display screen in fig. 1, and the same contents are not repeated.
Fig. 5 is a functional structure diagram of a touch screen according to an embodiment of the present invention, and as shown in fig. 5, the touch screen 500 includes the apparatus 400 for controlling display of a display screen shown in fig. 4. The touch screen includes a capacitive touch screen.
It should be noted that the working process of the apparatus 400 for controlling display screen display shown in fig. 4 corresponds to the implementation manner of the embodiment of the method for controlling display screen display shown in fig. 1, and the same contents are not repeated.
In the unmanned aerial vehicle system, once the screen of the touch-sensitive screen of the ground station is partly lost efficacy suddenly, then the ground station will be unable to continue to control the unmanned aerial vehicle in flight, brings very big potential safety hazard for unmanned aerial vehicle. The touch screen in this embodiment can use in unmanned aerial vehicle system for even the screen sudden part of the touch screen of ground satellite station is invalid, still can utilize the effective area normal work of screen, thereby promotes unmanned aerial vehicle system's security performance.
In summary, according to the technical scheme of the invention, the failure point in the display area of the display screen is detected, the effective area of the display screen is determined again according to the failure area of the display screen determined by the failure point, and the content to be displayed is displayed in the effective area, so that the problem that the whole display screen cannot continue to work once the display screen is partially failed in the prior art is solved.
While the foregoing is directed to embodiments of the present invention, other modifications and variations of the present invention may be devised by those skilled in the art in light of the above teachings. It should be understood by those skilled in the art that the foregoing detailed description is for the purpose of illustrating the invention rather than the foregoing detailed description, and that the scope of the invention is defined by the claims.
Claims (9)
1. A method of controlling a display of a display screen, the method comprising:
detecting whether a display area of a display screen has a failure point or not;
when a failure point in a display area is detected, determining the failure area of the display screen according to the failure point;
determining an effective area of the display screen according to the failure area;
displaying the content to be displayed in the effective area;
wherein the determining the active area of the display screen according to the inactive area comprises:
marking the determined failure area;
identifying each pixel point corresponding to the sliding track of the cursor or the touch point in the normal area outside the failure area;
generating an effective area in the display area according to all the identified pixel points and a preset rule for generating a rectangular area or a rule for generating a circular area;
wherein the predetermined rule for generating the rectangular area comprises:
and generating a regular square effective area by the irregular square sliding track.
2. The method of claim 1, wherein said determining a failure region from said failure point comprises:
and determining a rectangular area, wherein the rectangular area comprises all the failure points, and taking the rectangular area as a failure area.
3. The method of claim 2, wherein when the dead zone is a rectangular zone, the determining the active area of the display screen according to the dead zone comprises:
acquiring a horizontal axis and a vertical axis corresponding to all boundaries of the failure area in a display area;
dividing the display area into two areas by taking each horizontal axis and each vertical axis as dividing lines one by one, and respectively marking the two areas as a bad area and a selection area, wherein the area containing the failure area is the bad area, and the area not containing the failure area is the selection area;
and acquiring the area of each selection area, and taking the selection area with the largest area as an effective area of the display screen.
4. The method of any of claims 1-3, wherein the displaying content to be displayed in the active area comprises:
adjusting the display proportion of the content to be displayed according to the proportion of the area of the effective area to the area of the display area;
and displaying the content to be displayed after the display proportion is adjusted in the effective area.
5. An apparatus for controlling a display on a display screen, the apparatus comprising:
the detection unit is used for detecting whether a display area of the display screen has a failure point or not;
the display screen comprises a failure area determining unit, a display area judging unit and a display control unit, wherein the failure area determining unit is used for determining a failure area of the display screen according to a failure point when the display area is detected to have the failure point;
the effective area determining unit is used for determining an effective area of the display screen according to the failure area;
the display unit is used for displaying the content to be displayed in the effective area;
the effective area determining unit is specifically used for marking the determined failure area; identifying each pixel point corresponding to the sliding track of the cursor or the touch point in the normal area outside the failure area; generating an effective area in the display area according to all the identified pixel points and a preset rule for generating a rectangular area or a rule for generating a circular area;
wherein the predetermined rule for generating the rectangular area comprises: and generating a regular square effective area by the irregular square sliding track.
6. The apparatus according to claim 5, wherein the failure region determining unit is specifically configured to determine a rectangular region, the rectangular region including all the failure points, and to use the rectangular region as the failure region.
7. The apparatus according to claim 6, wherein the valid area determining unit is specifically configured to, when the invalid area is a rectangular area, obtain a horizontal axis and a vertical axis corresponding to all boundaries of the invalid area in the display area; dividing the display area into two areas by taking each horizontal axis and each vertical axis as dividing lines one by one, and respectively marking the two areas as a bad area and a selection area, wherein the area containing the failure area is the bad area, and the area not containing the failure area is the selection area; and acquiring the area of each selection area, and taking the selection area with the largest area as an effective area of the display screen.
8. The apparatus according to any one of claims 5 to 7, wherein the display unit is specifically configured to adjust a display scale of the content to be displayed according to a ratio of an area of the effective region to an area of the display region; and displaying the content to be displayed after the display proportion is adjusted in the effective area.
9. A touch screen characterised in that it comprises means for controlling the display of the screen according to any one of claims 5 to 8.
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| CN201810438726.1A CN108415618B (en) | 2018-05-09 | 2018-05-09 | Method and device for controlling display of display screen and touch screen |
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| KR102207861B1 (en) * | 2013-04-26 | 2021-01-26 | 삼성전자주식회사 | Method for displaying and an electronic device thereof |
| US9207804B2 (en) * | 2014-01-07 | 2015-12-08 | Lenovo Enterprise Solutions PTE. LTD. | System and method for altering interactive element placement based around damaged regions on a touchscreen device |
| CN104461763B (en) * | 2014-12-17 | 2018-09-11 | 广东欧珀移动通信有限公司 | A kind of display methods and device of terminal screen |
| CN105867800A (en) * | 2015-12-31 | 2016-08-17 | 乐视移动智能信息技术（北京）有限公司 | Display region adjustment method and apparatus |
| CN105607782B (en) * | 2016-03-23 | 2019-02-22 | 京东方科技集团股份有限公司 | A kind of display methods and display equipment |
| CN106205531B (en) * | 2016-08-09 | 2019-12-20 | 青岛海信电器股份有限公司 | Method for adjusting screen display picture and display equipment |
| CN107239166B (en) * | 2017-05-31 | 2020-01-17 | 厦门美图移动科技有限公司 | Method for adjusting interface display of mobile terminal and mobile terminal |
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