CN106652861B - Detection method and device for display screen - Google Patents
Detection method and device for display screen Download PDFInfo
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- CN106652861B CN106652861B CN201611082631.8A CN201611082631A CN106652861B CN 106652861 B CN106652861 B CN 106652861B CN 201611082631 A CN201611082631 A CN 201611082631A CN 106652861 B CN106652861 B CN 106652861B
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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- 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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Abstract
The embodiment of the invention discloses a detection method and a detection device for a display screen. The method comprises the following steps: acquiring a screen detection instruction, wherein the screen detection instruction comprises a storage address of a detection picture; calling a pre-stored detection picture according to the storage address; and displaying the detection picture in a display screen according to the screen detection instruction. By the technical scheme, the test time can be shortened, the test cost can be reduced, and the production efficiency of the display screen can be improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of electronics, in particular to a detection method and device for a display screen.
Background
With the continuous development of electronic technology, liquid crystal televisions are becoming the dominant force in televisions gradually, and in the production test process of liquid crystal televisions, special display screen detection pictures are needed to test whether the liquid crystal display screen has the defects of bright spots or dark spots, wherein the display screen detection pictures include, but are not limited to, pictures of a red field, a green field, a blue field, gray scales or 9 grids.
The display method of the detection picture of the display screen which is generally adopted at present is as follows: in the testing process, the liquid crystal display screen is externally connected with an external signal source, and the screen detection picture is stored and provided through the external signal source so as to be displayed on the liquid crystal display screen.
In the prior art, an external signal source is additionally required to be added during the test of the display screen, so that the test cost is high, the test time is long, and the production efficiency is low.
Disclosure of Invention
The embodiment of the invention provides a detection method and a detection device for a display screen, which can shorten the test time of the display screen, reduce the test cost of the display screen and improve the production efficiency of the display screen.
In a first aspect, an embodiment of the present invention provides a detection method for a display screen, including:
acquiring a screen detection instruction, wherein the screen detection instruction comprises a storage address of a detection picture;
calling a pre-stored detection picture according to the storage address;
and displaying the detection picture in a display screen according to the screen detection instruction.
Further, before the acquiring the screen detection instruction, the method further includes:
and acquiring and storing a plurality of detection pictures.
Further, the acquiring and storing a plurality of detection pictures comprises:
detecting whether a target file is burned or not;
and if the target file is detected to be burned, extracting at least two detection pictures in the target file and storing the detection pictures in a memory.
Further, the calling the pre-stored detection picture according to the storage address includes:
opening a multimedia channel between the display screen and the memory according to the storage address;
and sending the pre-stored detection picture from the memory to the display screen through the multimedia channel.
Further, the displaying the detection picture in the display screen according to the screen detection instruction comprises:
sequentially switching and displaying the detection pictures in the display screen according to the screen detection instruction and a preset frequency; alternatively, the first and second electrodes may be,
and switching and displaying the detection picture in a display screen according to a screen switching instruction.
In a second aspect, an embodiment of the present invention further provides a detection apparatus for a display screen, where the apparatus includes:
the detection instruction acquisition module is used for acquiring a screen detection instruction, and the screen detection instruction comprises a storage address of a detection picture;
the detection picture calling module is used for calling a pre-stored detection picture according to the storage address;
and the display screen is used for displaying the detection picture according to the screen detection instruction.
Further, still include:
and the detection picture storage module is used for acquiring and storing a plurality of detection pictures before the screen detection instruction is acquired.
Further, the detection picture storage module includes:
the target file detection submodule is used for detecting whether the target file is burnt or not;
the detection picture extraction submodule is used for extracting at least two detection pictures in the target file if the target file is detected to be burned;
and the memory is used for storing the at least two detection pictures.
Further, the detection screen invoking module is specifically configured to:
opening a multimedia channel between the display screen and the memory according to the storage address, and generating a detection picture calling instruction;
and the memory is also used for sending a pre-stored detection picture to the display screen through the multimedia channel according to the detection picture calling instruction.
Further, the display screen is specifically configured to:
sequentially switching and displaying the detection pictures according to the screen detection instruction and preset frequency; alternatively, the first and second electrodes may be,
and switching and displaying the detection picture according to the screen switching instruction.
Compared with the scheme that an external signal source is additionally added during the test of the display screen in the prior art, the embodiment of the invention directly calls and displays the pre-stored detection picture according to the screen detection instruction, and confirms the quality of the display screen through the display effect of the detection picture, thereby shortening the test time, reducing the test cost and improving the production efficiency of the display screen.
Drawings
Fig. 1 is a schematic flowchart of a detection method for a display screen according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of a detection method for a display screen according to a second embodiment of the present invention;
fig. 3 is a schematic flowchart of a detection method for a display screen according to a third embodiment of the present invention;
fig. 4 is a schematic flowchart of a detection method for a display screen according to a fourth embodiment of the present invention;
fig. 5 is a schematic flowchart of a detection method for a display screen according to a fifth embodiment of the present invention;
fig. 6 is a schematic flowchart of a detection method for a display screen according to a sixth embodiment of the present invention;
fig. 7 is a schematic structural diagram of a detection apparatus for a display screen according to a seventh embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a schematic flowchart of a detection method for a display screen according to an embodiment of the present invention. The method is applicable to the case of display screen detection, and can be executed by a detection device for the display screen, wherein the device can be composed of hardware and/or software and can be integrated in a digital television and all televisions with display screen detection functions. The method specifically comprises the following steps:
s110, acquiring a screen detection instruction, wherein the screen detection instruction comprises a storage address of a detection picture.
Specifically, the screen detection instruction can be obtained by obtaining a remote control instruction sent by the remote controller, and when the display screen is a touch screen, the screen detection instruction can also be obtained by obtaining the touch instruction of the display screen. The detection picture is stored on the display terminal to be detected, and the screen detection instruction comprises a storage address of the detection picture so as to be convenient for subsequent calling and display of the detection picture stored in the memory. Optionally, the number of detection pictures may be multiple or one. If the detection picture is one, the storage address is the storage address of the detection picture; if the number of the detection pictures is multiple, the storage address is the storage address of a first detection picture, the first detection picture is a preset first displayed detection picture, and preferably, the first stored detection picture is set as the first detection picture according to the principle that the storage sequence is first in and first out.
Illustratively, when the digital television acquires a screen detection instruction sent by the remote controller, the digital television display screen enters a screen detection mode, and a display interface can be provided for a detection picture in the mode.
And S120, calling a pre-stored detection picture according to the storage address.
Specifically, if the number of the detection pictures prestored in the display terminal to be detected is one, the detection pictures are called according to the storage address of the detection pictures; if the number of the detection pictures prestored in the display terminal to be detected is multiple, calling the first detection picture according to the storage address of the first detection picture, and preferably, the first detection picture is the first detection picture stored in the memory in the display terminal to be detected.
Illustratively, when the digital television display screen enters a screen detection mode, the storage address of the detection picture is obtained according to the received remote control instruction, and then the detection picture pre-stored in the digital television is called.
And S130, displaying a detection picture in the display screen according to the screen detection instruction.
Specifically, if the number of the detection pictures prestored in the display terminal to be detected is one, the detection pictures are called out and displayed on the display screen of the display terminal to be detected according to the picture display instruction in the screen detection instruction; if the number of the detection pictures prestored in the display terminal to be detected is multiple, calling the first detection picture according to a first picture display instruction in the screen detection instruction and displaying the first detection picture on a display screen of the display terminal to be detected.
Illustratively, after calling out the detection picture through the multimedia channel, the digital television plays the detection picture in a multimedia picture playing manner.
Compared with the scheme that an external signal source is additionally added during the test of the display screen in the prior art, the embodiment of the invention directly calls and displays the pre-stored detection picture according to the screen detection instruction, and confirms the quality of the display screen through the display effect of the detection picture, thereby shortening the test time, reducing the test cost and improving the production efficiency of the display screen.
Example two
Fig. 2 is a schematic flowchart of a detection method for a display screen according to a second embodiment of the present invention. The present embodiment is optimized based on the above embodiments, and provides a preferable detection method for a display screen, specifically, before acquiring a screen detection instruction, the method further includes: and acquiring and storing a plurality of detection pictures.
And S210, acquiring and storing a plurality of detection pictures.
The acquired detection picture can be stored in a hard disk of the display terminal to be detected or a Flash memory (Flash) of the display terminal to be detected. For example, for a digital television configured with a Flash memory, the screen detection picture may be stored in the Flash memory. Specifically, the process of acquiring the detection picture can be realized by burning the pictures into the memory and storing the picture storage address when the program is burned into the display terminal to be detected, so that the pictures can be called later.
Optionally, multiple detection pictures may be acquired, or one detection picture may be acquired. When a plurality of detection pictures are acquired, the plurality of detection pictures can be stored in a memory of the display terminal to be tested according to a preset sequence, and the preset sequence can be set according to the test requirement and the principle that the detection pictures are displayed firstly and stored firstly. For example, for a display screen detection picture of a digital television provided with a Flash memory, the detection picture comprises three pictures, namely a red field picture, a green field picture and a blue field, when the red field picture needs to be displayed firstly, then the green field picture is displayed, and finally the blue field picture is displayed, the red field picture, the green field picture and the blue field picture are sequentially stored into the Flash memory of the digital television according to a preset sequence.
S220, acquiring a screen detection instruction, wherein the screen detection instruction comprises a storage address of a detection picture.
And S230, calling the pre-stored detection picture according to the storage address.
And S240, displaying a detection picture in the display screen according to the screen detection instruction.
Compared with the scheme that an external signal source needs to be additionally added during the test of the display screen in the prior art, the embodiment of the invention stores the obtained detection picture, directly calls and displays the pre-stored detection picture according to the screen detection instruction, and confirms the quality of the display screen through the display effect of the detection picture, thereby shortening the test time, reducing the test cost and improving the production efficiency of the display screen.
EXAMPLE III
Fig. 3 is a schematic flowchart of a detection method for a display screen according to a third embodiment of the present invention. The present embodiment is optimized based on the above embodiments, and provides a preferable detection method for a display screen, specifically, the acquiring and storing a plurality of detection pictures is further optimized to include: detecting whether a target file is burned or not; and if the target file is detected to be burned, extracting at least two detection pictures in the target file and storing the detection pictures in a memory.
S310, detecting whether the target file is burnt or not.
Specifically, the target file comprises program software required by the display terminal to be tested during operation, and in the production process of the display terminal to be tested, the purpose of burning the target file to the display terminal to be tested by using the burner is to provide an operation program, corresponding driving software and a detection picture used during detection of the display screen for the display terminal to be tested, and the process can be a process of burning program codes into a board card of the display terminal to be tested.
And S320, if the target file is detected to be burned, extracting at least two detection pictures in the target file and storing the two detection pictures in a memory.
The detection picture in the target file may be multiple detection pictures in the target file, or may be only one detection picture, that is, when the target file includes multiple detection pictures, at least two detection pictures may be extracted, and when the target file includes only one detection picture, only the detection picture is extracted.
Specifically, the extracted detection pictures are stored in a memory of the display terminal to be detected according to a preset sequence, and for example, for a digital television provided with a Flash memory, when the detection pictures need to be displayed on a display screen according to the sequence of a red field, a green field and a blue field, the detection pictures are stored in the Flash memory of the digital television according to the arrangement sequence of the detection pictures of the red field, the green field and the blue field. Optionally, if only one extracted detection picture is available, only the detection picture is stored in the memory of the display terminal to be detected.
S330, acquiring a screen detection instruction, wherein the screen detection instruction comprises a storage address of a detection picture.
And S340, calling the pre-stored detection picture according to the storage address.
And S350, displaying a detection picture in the display screen according to the screen detection instruction.
Compared with the scheme that an external signal source needs to be additionally added during the display screen test in the prior art, the method and the device have the advantages that the target file is detected whether to be burnt or not, so that the detection picture in the target file is extracted and stored in the memory, the pre-stored detection picture is directly called and displayed according to the screen detection instruction, and the quality of the display screen is confirmed through the display effect of the detection picture, so that the test time is shortened, the test cost is reduced, and the production efficiency of the display screen is improved.
Example four
Fig. 4 is a schematic flowchart of a detection method for a display screen according to a fourth embodiment of the present invention. The present embodiment is optimized based on the above embodiments, and provides a preferred detection method for a display screen, specifically, the method further optimizes invoking a pre-stored detection screen according to a storage address, including: opening a multimedia channel between the display screen and the memory according to the memory address; and sending the pre-stored detection picture from the memory to the display screen through a multimedia channel.
S410, detecting whether the target file is burnt or not.
And S420, if the target file is detected to be burned, extracting at least two detection pictures in the target file and storing the two detection pictures in a memory.
S430, acquiring a screen detection instruction, wherein the screen detection instruction comprises a storage address of a detection picture.
And S440, opening a multimedia channel between the display screen and the memory according to the memory address.
Specifically, the multimedia channel is a play channel, and is used for transmitting the pictures stored in the memory to the display screen, for example, in the detection process of the display screen of the digital television, when a remote control instruction sent by a remote controller is received, the digital television enters a screen detection mode, and in the mode, the background of the digital television automatically enters the multimedia channel.
For example, for a digital television provided with a Flash memory, in a screen detection mode, the multimedia channel is used for transmitting a detection picture in the Flash memory to a display screen, and in a user use mode, the multimedia channel is used for playing a television or a video or a picture provided by an external data source.
S450, sending the pre-stored detection picture from the memory to the display screen through a multimedia channel.
Specifically, the pre-stored detection picture is sent to the display screen through the multimedia channel to be displayed. Illustratively, for a digital television with a Flash memory, after entering a screen detection mode, a background of the digital television automatically enters a multimedia channel, and a detection picture stored in the Flash memory is played in a multimedia picture playing mode.
And S460, displaying a detection picture in the display screen according to the screen detection instruction.
Compared with the scheme that an external signal source needs to be additionally added during the display screen test in the prior art, the embodiment of the invention opens the multimedia channel according to the storage address, then directly sends the pre-stored detection picture to the display screen from the storage through the multimedia channel, and confirms the quality of the display screen through the display effect of the detection picture, thereby shortening the test time, reducing the test cost and improving the production efficiency of the display screen.
EXAMPLE five
Fig. 5 is a schematic flowchart of a detection method for a display screen according to a fifth embodiment of the present invention. The present embodiment is optimized based on the foregoing embodiments, and provides a preferable detection method for a display screen, specifically, further optimizing a detection picture displayed in the display screen according to a screen detection instruction, including: and switching and displaying the detection pictures in the display screen according to the screen detection instruction and the preset frequency.
S510, acquiring a screen detection instruction, wherein the screen detection instruction comprises a storage address of a detection picture.
And S520, calling the pre-stored detection picture according to the storage address.
And S530, sequentially switching and displaying the detection pictures in the display screen according to the screen detection instruction and the preset frequency.
Specifically, when a plurality of detection pictures pre-stored in the display terminal to be detected are available, the detection pictures are sequentially switched and displayed in the display screen of the display terminal to be detected according to the screen detection instruction and the preset frequency. The screen detection instruction may be a remote control instruction sent by a remote controller, or may be a touch instruction for touching the display screen, which includes a storage address of a detection picture to be displayed after the detection picture displayed in the current display screen. The preset frequency can be set according to actual needs. For example, for the detection of the digital television display screen, when a remote control instruction sent by a remote controller is received, the detection picture in the memory is called, and the currently displayed detection picture is used as the first display detection picture, and switching and sequential circular display are performed at the speed of playing one detection picture every ten seconds.
Optionally, when one pre-stored detection picture is used, the pre-stored detection picture does not need to be switched to other different detection pictures, so that after a screen detection instruction is received, only the pre-stored detection picture is called, and the detection picture displayed on the current display screen is switched according to the preset frequency.
Compared with the scheme that an external signal source is additionally added during the display screen test in the prior art, the embodiment of the invention directly calls the pre-stored detection pictures according to the screen detection instruction, sequentially switches and displays the pre-stored detection pictures according to the preset frequency, and confirms the quality of the display screen through the display effect of the detection pictures, thereby shortening the test time, reducing the test cost and improving the production efficiency of the display screen.
EXAMPLE six
Fig. 6 is a schematic flowchart of a detection method for a display screen according to a sixth embodiment of the present invention. The embodiment is optimized based on the fifth embodiment, and provides a preferable detection method for a display screen, specifically, switching and displaying detection pictures in sequence according to a preset frequency in the display screen of the display terminal to be detected according to a screen detection instruction, and further optimizing and replacing: and switching and displaying the detection picture in the display screen according to the screen switching instruction.
S610, acquiring a screen detection instruction, wherein the screen detection instruction comprises a storage address of a detection picture.
And S620, calling a pre-stored detection picture according to the storage address.
And S630, switching and displaying the detection picture in the display screen according to the screen switching instruction.
The screen switching instruction is different from the screen detection instruction and is used for controlling switching of detection pictures in the display screen, specifically, the screen switching instruction can be an up-down switching instruction sent by a remote controller, and can also be a touch instruction for touching up and down selection virtual keys on the display screen. Illustratively, when the digital television receives a screen switching instruction of a down key sent by a remote controller, switching and displaying a next detection picture on a display screen of the digital television according to a preset sequence; when the digital television receives a screen switching instruction of an up key sent by a remote controller, switching and displaying a previous detection picture on a display screen of the digital television according to a preset sequence. On the contrary, the present invention is not limited thereto.
Compared with the scheme that an external signal source is additionally added during the display screen test in the prior art, the embodiment of the invention directly calls the pre-stored detection picture according to the screen detection instruction, switches and displays the pre-stored detection picture according to the screen switching instruction when the screen switching instruction is received, and confirms the quality of the display screen through the display effect of the detection picture, thereby shortening the test time, reducing the test cost and improving the production efficiency of the display screen.
EXAMPLE seven
Fig. 7 is a schematic flowchart of a detection apparatus for a display screen according to a seventh embodiment of the present invention. The device is suitable for the condition of display screen detection, can be composed of hardware and/or software, and can be integrated in digital televisions and all televisions with display screen detection functions. Referring to fig. 7, the detection apparatus for a display screen includes: a detection instruction obtaining module 710, a detection screen calling module 720, and a display screen 730, which are described in detail below.
A detection instruction obtaining module 710, configured to obtain a screen detection instruction, where the screen detection instruction includes a storage address of a detection picture;
the detection picture calling module 720 is used for calling a pre-stored detection picture according to the storage address;
and the display screen 730 is used for displaying the detection picture according to the screen detection instruction.
Optionally, the method further includes:
and the detection picture storage module is used for acquiring and storing a plurality of detection pictures before the screen detection instruction is acquired.
Optionally, the detection picture storage module includes:
the target file detection submodule is used for detecting whether the target file is burnt or not;
the detection picture extraction submodule is used for extracting at least two detection pictures in the target file if the target file is detected to be burned;
and the memory is used for storing the at least two detection pictures.
Optionally, the detection screen invoking module 720 is specifically configured to:
opening a multimedia channel between the display screen and the memory according to the storage address, and generating a detection picture calling instruction;
and the memory is also used for sending a pre-stored detection picture to the display screen through the multimedia channel according to the detection picture calling instruction.
Optionally, the display screen 730 is specifically configured to:
sequentially switching and displaying the detection pictures according to the screen detection instruction and preset frequency; alternatively, the first and second electrodes may be,
and switching and displaying the detection picture according to the screen switching instruction.
The product can execute the method provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (4)
1. A detection method for a display screen is characterized by comprising the following steps:
detecting whether a target file is burnt or not, wherein the target file comprises program software required by the running of a display terminal to be tested;
if the target file is detected to be burned, extracting at least two detection pictures in the target file and storing the detection pictures into a memory according to the sequence of firstly displaying and firstly storing;
acquiring a screen detection instruction, wherein the screen detection instruction comprises a storage address of a detection picture;
calling a pre-stored detection picture according to the storage address;
displaying the detection picture in a display screen according to the screen detection instruction;
the calling the pre-stored detection picture according to the storage address comprises the following steps:
opening a multimedia channel between the display screen and the memory according to the storage address;
and sending a pre-stored detection picture from the memory to the display screen through the multimedia channel, wherein the multimedia channel is used for transmitting the detection picture in the memory to the display screen in a screen detection mode.
2. The method of claim 1, wherein the displaying the inspection picture in a display screen according to the screen inspection instruction comprises:
sequentially switching and displaying the detection pictures in the display screen according to the screen detection instruction and a preset frequency; alternatively, the first and second electrodes may be,
and switching and displaying the detection picture in a display screen according to a screen switching instruction.
3. A detection apparatus for a display screen, comprising:
a detection picture storage module, the detection picture module comprising: the target file detection submodule is used for detecting whether a target file is burnt or not, wherein the target file comprises program software required by the running of a display terminal to be detected; the detection picture extraction submodule is used for extracting at least two detection pictures in the target file if the target file is detected to be burned; the memory is used for storing the at least two detection pictures according to the sequence of firstly displaying and firstly storing;
the detection instruction acquisition module is used for acquiring a screen detection instruction, and the screen detection instruction comprises a storage address of a detection picture;
the detection picture calling module is used for calling a pre-stored detection picture according to the storage address;
the display screen is used for displaying the detection picture according to the screen detection instruction;
the detection picture calling module is specifically configured to:
opening a multimedia channel between the display screen and the memory according to the storage address, and generating a detection picture calling instruction;
the memory is further used for sending a pre-stored detection picture to the display screen through the multimedia channel according to the detection picture calling instruction, wherein the multimedia channel is used for transmitting the detection picture in the memory to the display screen in a screen detection mode.
4. The apparatus of claim 3, wherein the display screen is specifically configured to:
sequentially switching and displaying the detection pictures according to the screen detection instruction and preset frequency; alternatively, the first and second electrodes may be,
and switching and displaying the detection picture according to the screen switching instruction.
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| CN110187535B (en) * | 2019-06-21 | 2021-11-05 | 上海创功通讯技术有限公司 | Screen fool-proofing detection method and device and storage medium |
| CN111757002B (en) * | 2020-06-30 | 2021-10-22 | 联想(北京)有限公司 | Image processing method, output control method, image acquisition device and display device |
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| CN105118411A (en) * | 2015-09-22 | 2015-12-02 | 京东方科技集团股份有限公司 | Display screen detection method and device |
| CN105528159A (en) * | 2016-01-28 | 2016-04-27 | 深圳市创想天空科技股份有限公司 | Picture operation method and operation device |
| CN105681700A (en) * | 2016-01-28 | 2016-06-15 | 四川长虹电器股份有限公司 | Flicker debugging method and device for liquid crystal display television |
| CN106055957A (en) * | 2016-05-31 | 2016-10-26 | 广东欧珀移动通信有限公司 | Fingerprint unlocking method and terminal |
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