CN114038435B - Display compensation method and display compensation device - Google Patents
Display compensation method and display compensation device Download PDFInfo
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- CN114038435B CN114038435B CN202111357393.8A CN202111357393A CN114038435B CN 114038435 B CN114038435 B CN 114038435B CN 202111357393 A CN202111357393 A CN 202111357393A CN 114038435 B CN114038435 B CN 114038435B
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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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
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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
- G09G2370/00—Aspects of data communication
- G09G2370/02—Networking aspects
- G09G2370/022—Centralised management of display operation, e.g. in a server instead of locally
Abstract
The invention provides a display compensation method and a display compensation device, wherein the display compensation method is applied to a display panel and comprises the following steps: acquiring identification information corresponding to a target panel, wherein the identification information comprises an identification; calling a cloud database, wherein the cloud database comprises compensation parameters corresponding to the identification; according to the compensation parameters, performing display compensation on the target panel; according to the invention, the compensation parameters are stored in the cloud database, when the display panel needs external compensation, the corresponding compensation parameters in the cloud database are called by sending the identification corresponding to the display panel to the cloud database, so that the display compensation is carried out on the display panel according to the compensation parameters, a Demura flash chip is not required to be additionally arranged in the display panel to store the compensation parameters, the transmission mode of the existing compensation parameters is optimized, the product architecture is simplified, the production cost is reduced, and the product competitiveness is improved.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display compensation method and a display compensation apparatus.
Background
The current LCD (Liquid Crystal Display) has the problem of uneven brightness (Mura) due to the manufacturing process, and the prior art is usually optimized by using an external compensation (Demura) method. The principle of Demura is: firstly, shooting a lighted target panel by using a CCD camera with high resolution and high precision; then, analyzing the color distribution characteristics of pixels (pixels) according to data collected by a CCD camera, and identifying Mura according to a corresponding algorithm; generating compensation parameters according to the Mura data and a corresponding Demura compensation algorithm; finally, the compensation parameters are burned into a memory, such as a Demura flash chip on an X-board (control board), and bound with the target panel. And when the display is started subsequently, the TCON (time sequence controller) acquires the compensation parameters from the Demura flash chip and writes the compensation parameters into the register for the use of a Demura compensation algorithm circuit, so that the display effect is optimized and the display quality is improved.
Because the brightness and darkness of each display panel are different, the compensation parameters have to correspond to the display panels one by one, and therefore, the Demura flash chip cannot be simplified all the time. The current market competition is more intense, the chip delivery period can not be met frequently, and the cost pressure of products is huge. Therefore, it is necessary to improve this defect.
Disclosure of Invention
The embodiment of the invention provides a display compensation method, which is used for solving the technical problem that a Demura flash chip of a display panel in the prior art cannot be simplified, so that the cost pressure of a product is huge.
The embodiment of the invention provides a display compensation method, which is applied to a display panel and comprises the following steps: acquiring identification information corresponding to a target panel, wherein the identification information comprises an identification; calling a cloud database, wherein the cloud database comprises compensation parameters corresponding to the identification; and performing display compensation on the target panel according to the compensation parameter.
In the display compensation method provided in the embodiment of the present invention, the obtaining identification information corresponding to a target panel, where the identification information includes an identifier, includes: prompting a user to input identification information corresponding to the target panel; and reading the identification in the identification information.
In the display compensation method provided in the embodiment of the present invention, the invoking a cloud database, where the cloud database includes compensation parameters corresponding to the identifier, includes: sending the identification to a cloud database; and receiving a compensation parameter corresponding to the identifier in the cloud database.
In the display compensation method provided in the embodiment of the present invention, before the sending the identifier to the cloud database, the method includes: and storing the identifications corresponding to the display panels and the compensation parameters corresponding to each identification to a cloud database.
In the display compensation method provided in the embodiment of the present invention, the storing the identifiers corresponding to the plurality of display panels and the compensation parameter corresponding to each identifier in a cloud database includes: collecting a display image of each display panel; generating a compensation parameter corresponding to each display panel according to the display image; and binding the identifier corresponding to the display panel and the compensation parameter corresponding to the display panel and storing the identifier and the compensation parameter to a cloud database.
In the display compensation method provided in the embodiment of the present invention, the acquiring the display image of each display panel includes: sending test image data to a target panel, wherein the target panel displays a test picture according to the test image data; and collecting the test picture to obtain a display image of the target panel.
In the display compensation method provided in the embodiment of the present invention, the performing display compensation on the target panel according to the compensation parameter includes: and writing the compensation parameters into a register in a time sequence controller of the target panel to perform display compensation on the target panel.
An embodiment of the present invention further provides a display compensation apparatus, including: the system comprises an acquisition module, a cloud database module and a compensation module; the acquisition module is used for acquiring identification information corresponding to a target panel, and the identification information comprises an identification; the cloud database module is used for calling a cloud database, and the cloud database comprises compensation parameters corresponding to the identification; and the compensation module is used for performing display compensation on the target panel according to the compensation parameters.
In the display compensation apparatus provided in the embodiment of the present invention, the cloud database module includes: a data transmitting unit and a data receiving unit; the data sending unit is used for sending the identification to a cloud database; and the data receiving unit is used for receiving the compensation parameters corresponding to the identification in the cloud database.
In the display compensation apparatus provided in the embodiment of the present invention, the compensation module includes a data writing unit, and the data writing unit is configured to write the compensation parameter into a register in a timing controller of the target panel to perform display compensation on the target panel.
Has the advantages that: the display compensation method provided by the embodiment of the invention is applied to a display panel and comprises the following steps: acquiring identification information corresponding to a target panel, wherein the identification information comprises an identification; calling a cloud database, wherein the cloud database comprises compensation parameters corresponding to the identification; performing display compensation on the target panel according to the compensation parameters; according to the invention, the compensation parameters are stored in the cloud database, when the display panel needs external compensation, the corresponding identification of the display panel is sent to the cloud database, so that the corresponding compensation parameters in the cloud database are called, the display compensation is carried out on the display panel according to the compensation parameters, a Demura flash chip for storing the compensation parameters is not required to be additionally arranged in the display panel, the transmission mode of the existing compensation parameters is optimized, the product architecture is simplified, the production cost can be reduced, and the product competitiveness is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
Fig. 1 is a flowchart of a display compensation method according to an embodiment of the present invention.
Fig. 2 is a block diagram of a display compensation apparatus according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a basic structure of another display compensation apparatus according to an embodiment of the present invention.
FIG. 4 is a flowchart of another display compensation method according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the size and thickness of components illustrated in the drawings are not to scale for clarity and ease of understanding and description.
As shown in fig. 1, which is a flowchart of a display compensation method provided in an embodiment of the present invention, the display compensation method is applied to a display panel, and includes:
s10, acquiring identification information corresponding to a target panel, wherein the identification information comprises an identification;
s11, calling a cloud database, wherein the cloud database comprises compensation parameters corresponding to the identification;
and S12, performing display compensation on the target panel according to the compensation parameters.
It should be noted that each display panel has corresponding identification information, such as a product model, a production batch, a production date, and the like, where the identification information includes an identifier, the identifier is an identification code of the display panel, the identification code of each display panel is unique, the identification code is, for example, an eight-bit binary ID information, and when a certain ID information is input, the corresponding target panel can be matched.
It can be understood that the compensation parameters for external compensation in the prior art are stored in the Demura flash chip in the display panel, and if the chip cannot be delivered as expected, the shipment of the product will be affected, and the cost pressure of the product is huge. According to the embodiment of the invention, the compensation parameters are stored in the cloud database, so that the Demura flash chip can be simplified, when the display panel needs external compensation, the corresponding identification of the display panel is sent to the cloud database, so that the corresponding compensation parameters in the cloud database are called, the display compensation is carried out on the display panel according to the compensation parameters, the Demura flash chip storage compensation parameters do not need to be additionally arranged in the display panel, the existing transmission mode of the compensation parameters is optimized, the product architecture is simplified, the production cost can be reduced, and the product competitiveness is improved.
In one embodiment, the step S10 of acquiring identification information corresponding to the target panel, where the identification information includes an identifier, includes: prompting a user to input identification information corresponding to the target panel; and reading the identification in the identification information. It can be understood that after the display panel leaves the factory, when the user uses the target panel for the first time, the identification information needs to be input, and the identification corresponding to the target panel is obtained to determine the ID information of the target panel.
In an embodiment, the step S11 of invoking a cloud database, where the cloud database includes a compensation parameter corresponding to the identifier, includes: sending the identification to a cloud database; and receiving a compensation parameter corresponding to the identifier in the cloud database. It can be understood that after the display panel leaves the factory, when the user uses the target panel for the first time, the display panel needs to be connected with the cloud database through the network, and the identifier of the target panel is sent to the cloud database so as to call the compensation parameter corresponding to the identifier.
In one embodiment, before said sending said identification to the cloud database, the method comprises: and storing the identifications corresponding to the display panels and the compensation parameters corresponding to each identification to a cloud database. It can be understood that before the display panel leaves the factory, the identifiers of all products and the compensation parameters corresponding to each identifier need to be uploaded to the cloud database for storage, so that when a user uses the target panel for the first time, the compensation parameters corresponding to the target panel can be called through the cloud database, and external compensation is performed.
In one embodiment, the storing the identifiers corresponding to the plurality of display panels and the compensation parameters corresponding to each identifier to a cloud database includes: collecting a display image of each display panel; generating a compensation parameter corresponding to each display panel according to the display image; and binding the identification corresponding to the display panel and the compensation parameter corresponding to the display panel and storing the bound identification and the compensation parameter to a cloud database. It can be understood that the flow of obtaining the compensation parameter is as follows: the method comprises the steps of firstly, acquiring a display image of a target panel through image acquisition equipment, and then, obtaining compensation parameters of the target panel through calculation and analysis by adopting a Demura machine. After the compensation parameters are obtained, the identification of the target panel is bound with the compensation parameters, so that the identification corresponds to the compensation parameters one by one, the corresponding compensation parameters can be obtained by inputting one identification, and finally the identification and the compensation parameters which are bound one by one are uploaded to a cloud database for storage, so that a subsequent user can call the identification and the compensation parameters.
In one embodiment, said capturing a display image of each of said display panels comprises: sending test image data to a target panel, wherein the target panel displays a test picture according to the test image data; and collecting the test picture to obtain a display image of the target panel. It can be understood that the process of acquiring the display image of the target panel is: and sending the test image data to a target panel by adopting a test host, displaying the target panel according to the test image data, and then collecting a test picture displayed by the target panel by adopting image collection equipment, wherein the test picture is a display image of the target panel collected by the image collection equipment. The image acquisition equipment simulates the resolution of human eyes to acquire so as to improve the experience of a user.
In an embodiment, the step S12 of performing display compensation on the target panel according to the compensation parameter includes: and writing the compensation parameters into a register in a time sequence controller of the target panel to perform display compensation on the target panel. It can be understood that, the demonstration of display panel is controlled by time schedule controller (TCON), time schedule controller is controlled by main control ware (SOC), main control ware sends the sign that the target panel corresponds to the high in the clouds database, thereby can call the compensation parameter that the sign corresponds, after main control ware received the compensation parameter, can write the compensation parameter in the register of time schedule controller, so that the compensation parameter in the register is called to follow-up Demura compensation algorithm circuit, with the display of drive target panel, optimize the display effect, reach the effect of simplifying the Demura flash chip.
Next, referring to fig. 2, a block diagram of a display compensation apparatus according to an embodiment of the present invention is shown, where the display compensation apparatus includes an obtaining module 20, a cloud database module 21, and a compensation module 22; the obtaining module 20 is configured to obtain identification information corresponding to a target panel, where the identification information includes an identifier; the cloud database module 21 is configured to invoke a cloud database, where the cloud database includes compensation parameters corresponding to the identifiers; the compensation module 22 is configured to perform display compensation on the target panel according to the compensation parameter.
It can be understood that the display compensation device that this embodiment provided acquires the sign of target panel through acquisition module 20, calls through cloud database module 21 the compensation parameter that the sign corresponds shows the compensation according to the compensation parameter through compensation module 22 to the target panel, has optimized the transmission mode of current compensation parameter, through calling the compensation parameter from the cloud database, can simplify the Demura flash chip to can reduction in production cost, promote product competitiveness.
In one embodiment, the cloud database module 21 includes: a data transmitting unit 211 and a data receiving unit 212; the data sending unit 211 is configured to send the identifier to a cloud database; the data receiving unit 212 is configured to receive a compensation parameter corresponding to the identifier in the cloud database. It can be understood that, after the display panel leaves the factory, when the user uses the target panel for the first time, the display panel needs to be connected with the cloud database through the network, the identifier of the target panel is sent to the cloud database through the data sending unit 211, and the compensation parameter corresponding to the identifier is received through the data receiving unit 212, so as to call the cloud database.
In one embodiment, the compensation module 22 includes a data writing unit 221, and the data writing unit 221 is configured to write the compensation parameter into a register in a timing controller of the target panel to perform display compensation on the target panel. It can be understood that the display of the display panel is controlled by a time sequence controller (TCON), the time sequence controller is controlled by a main controller (SOC), the main controller sends the identification corresponding to the target panel to a cloud database, so that the compensation parameter corresponding to the identification can be called, after the main controller receives the compensation parameter, the data writing unit 221 can be adopted to write the compensation parameter into a register in the time sequence controller, so that a subsequent Demura compensation algorithm circuit calls the compensation parameter in the register, the display effect is optimized, and the effect of simplifying a Demura flash chip is achieved.
Next, please refer to fig. 3, which is a schematic diagram illustrating a basic structure of another display compensation apparatus according to an embodiment of the present invention, wherein the display compensation apparatus includes a target panel 30, a chip on film 31, a control board 32, a timing controller 33, and a main controller 34. The target panel 30 is electrically connected to the control board 32 through a plurality of flip chips 31, the control board 32 is electrically connected to the timing controller 33, and the timing controller 33 is controlled by the main controller 34.
In one embodiment, the display compensation apparatus further includes a Demura machine 36 and a cloud database 35. Before the display panel leaves a factory, the Demura machine 36 obtains compensation parameters of the display panel through calculation and analysis, binds the compensation parameters with the identification of the display panel and sends the binding to the cloud database 35, and the cloud database 35 stores the identification of a plurality of display panels and the compensation parameters corresponding to each identification; after the display panel leaves the factory, a user inputs identification information of the target panel 30 into the main controller 34, the main controller 34 reads an identification in the identification information, the main controller 34 sends the identification to the cloud database 35, calls a corresponding compensation parameter in the cloud database 35, and the main controller 34 writes the compensation parameter into a register (not shown) in the time schedule controller 33, so that a subsequent Demura compensation algorithm circuit calls the compensation parameter in the register to drive the target panel 30 to display, and the display effect is optimized. In the prior art, the Demura flash chip is arranged in the control panel 32 to store the compensation parameters, and the compensation parameters are stored in the cloud database 35, so that the effect of simplifying the Demura flash chip can be achieved.
It should be noted that the display compensation device provided by the embodiment of the present invention may include a liquid crystal display panel, an organic light emitting diode display panel, or a micro light emitting diode display panel. The display compensation device provided by the embodiment of the invention can be as follows: a mobile phone, a tablet computer, a notebook computer, a television, a digital camera or a navigator.
Next, referring to fig. 4, a flowchart of another display compensation method according to an embodiment of the present invention is shown, where the display compensation method includes:
and S40, collecting a display image of the target panel. Specifically, before the display panel leaves the factory, the image acquisition device is used to take a picture of a test picture of the target panel and sample the picture, so as to obtain original data (i.e., a display image of the target panel).
And S41, generating a compensation parameter according to the display image. Specifically, the compensation parameters are generated after the original data are calculated and analyzed by a Demura machine.
S42, binding identification and compensation parameters. Specifically, the Demura machine binds the compensation parameters with the identification (i.e., ID information) of the target panel, and can determine the corresponding compensation parameters by inputting a certain identification.
And S43, sending to a cloud database. Specifically, the Demura board uploads a plurality of bound identifications and compensation parameters corresponding to each identification to a cloud database, and the cloud database stores the identifications and the compensation parameters of a plurality of display panels.
And S44, inputting identification information by the user. Specifically, after the display panel leaves the factory, the user needs to input the identification information of the target panel into the main controller when the display panel is used for the first time.
And S45, reading the identifier by the main controller. Specifically, the main controller reads the identification in the identification information, thereby determining the ID information of the target panel.
And S46, sending the identification. Specifically, the main controller of the target panel is connected with the cloud database through the network, and the main controller can upload ID information to the cloud database at the moment.
And S47, receiving the compensation parameters. Specifically, the main controller calls the cloud database to acquire the compensation parameters corresponding to the ID information.
And S48, writing the register in the time schedule controller. Specifically, the main controller receives the compensation parameters and transmits the compensation parameters to the time schedule controller, and then writes the compensation parameters into a register in the time schedule controller.
And S49, compensating the target panel. Specifically, the Demura compensation algorithm circuit calls compensation parameters in the register to compensate the target panel, drives the target panel to display and optimizes the display effect, so that the effect of simplifying a Demura flash chip is achieved, the design architecture is simplified, the product cost is reduced, and the product competitiveness is improved.
An embodiment of the present invention provides a processor, configured to execute a computer program stored in a memory, to implement the display compensation method.
An embodiment of the present invention provides a storage medium, where a computer program is stored in the storage medium, where the computer program is used for being executed by a processor to implement the display compensation method.
An embodiment of the present invention further provides an electronic device, which includes a processor and a memory, where the memory stores a computer program, and the processor is configured to execute the display compensation method by calling the computer program.
In summary, the display compensation method provided in the embodiment of the present invention is applied to a display panel, and includes: acquiring identification information corresponding to a target panel, wherein the identification information comprises an identification; calling a cloud database, wherein the cloud database comprises compensation parameters corresponding to the identification; performing display compensation on the target panel according to the compensation parameters; according to the invention, the compensation parameters are stored in the cloud database, when the display panel needs external compensation, the corresponding identification of the display panel is sent to the cloud database, so that the corresponding compensation parameters in the cloud database are called, the display compensation is carried out on the display panel according to the compensation parameters, a Demura flash chip is not required to be additionally arranged in the display panel to store the compensation parameters, the transmission mode of the existing compensation parameters is optimized, the product architecture is simplified, the production cost can be reduced, the product competitiveness is improved, and the technical problem that the Demura flash chip of the display panel in the prior art cannot be simplified, and the product cost pressure is huge is solved.
The display compensation method and the display compensation device provided by the embodiment of the invention are described in detail above. It should be understood that the exemplary embodiments described herein should be considered merely illustrative for facilitating understanding of the method of the present invention and its core ideas, and not restrictive.
Claims (7)
1. A display compensation method is applied to a display panel and is characterized by comprising the following steps:
acquiring identification information corresponding to a target panel, wherein the identification information comprises an identification;
sending test image data to a target panel, wherein the target panel displays a test picture according to the test image data;
acquiring the test picture to obtain a display image of the target panel, and generating a compensation parameter corresponding to each display panel according to the display image;
binding the identifier corresponding to the display panel and the compensation parameter corresponding to the display panel and storing the identifier and the compensation parameter to a cloud database;
calling a cloud database, wherein the cloud database comprises compensation parameters corresponding to the identification;
and performing display compensation on the target panel according to the compensation parameter.
2. The display compensation method of claim 1, wherein the obtaining identification information corresponding to a target panel, the identification information including an identification, comprises:
prompting a user to input identification information corresponding to the target panel;
and reading the identification in the identification information.
3. The display compensation method of claim 1, wherein the invoking a cloud database, the cloud database including compensation parameters corresponding to the identification, comprises:
sending the identification to a cloud database;
and receiving a compensation parameter corresponding to the identifier in the cloud database.
4. The display compensation method of claim 1, wherein the performing display compensation on the target panel according to the compensation parameter comprises:
and writing the compensation parameters into a register in a time sequence controller of the target panel to perform display compensation on the target panel.
5. A display compensation apparatus, comprising:
the system comprises an acquisition module, a display module and a display module, wherein the acquisition module is used for acquiring identification information corresponding to a target panel, and the identification information comprises an identification;
the cloud database module is used for calling a cloud database, and the cloud database comprises compensation parameters corresponding to the identification;
the compensation module is used for performing display compensation on the target panel according to the compensation parameters;
the display compensation device is also used for sending test image data to a target panel, and the target panel displays a test picture according to the test image data; collecting the test picture to obtain a display image of the target panel, and generating a compensation parameter corresponding to each display panel according to the display image; and binding the identifier corresponding to the display panel and the compensation parameter corresponding to the display panel and storing the identifier and the compensation parameter to a cloud database.
6. The display compensation apparatus of claim 5, wherein the cloud database module comprises:
the data sending unit is used for sending the identification to a cloud database;
and the data receiving unit is used for receiving the compensation parameters corresponding to the identification in the cloud database.
7. The display compensation apparatus of claim 5, wherein the compensation module comprises a data writing unit, and the data writing unit is configured to write the compensation parameter into a register in a timing controller of the target panel to perform display compensation on the target panel.
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