CN111583867A - Method and system for reducing display panel branding - Google Patents
Method and system for reducing display panel branding Download PDFInfo
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- CN111583867A CN111583867A CN201910116120.0A CN201910116120A CN111583867A CN 111583867 A CN111583867 A CN 111583867A CN 201910116120 A CN201910116120 A CN 201910116120A CN 111583867 A CN111583867 A CN 111583867A
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
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Abstract
The present invention first provides a method for reducing display panel branding. The method comprises the following steps: acquiring N pictures of a display panel under different gray scales, and uploading the N pictures to a cloud; the cloud identifies a branding area in the N pictures, and processes the branding area to obtain branding compensation information; and transmitting the branding compensation information back to the display panel so that the display panel completes compensation of the branding area. The invention also provides a system for reducing display panel branding. The display panel can reduce the branding degree of the display panel to a certain extent and improve the display effect.
Description
Technical Field
The invention relates to the technical field of display, in particular to a method and a system for reducing display panel branding.
Background
Compared with the conventional liquid crystal panel, an Active Matrix Organic Light Emitting Diode (AMOLED) panel has the characteristics of faster response speed, higher contrast ratio, wider viewing angle, and the like, and thus is always seen in the industry.
However, AMOLED is easily and rapidly aged due to its material limitation, thereby causing various panel Burn-in phenomena, which are more serious after a long time use, thereby causing visual defects. At present, it is difficult to have an effective method for solving the burn-in that has occurred on the panel.
Therefore, there is a need to provide a new technical solution to improve one or more of the problems in the above solutions.
It is noted that this section is intended to provide a background or context to the embodiments of the invention that are recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.
Disclosure of Invention
An object of the present invention is to provide a method and system for reducing display panel burn-in, thereby overcoming, at least to some extent, one or more of the problems due to the limitations and disadvantages of the related art.
The embodiment of the invention provides a method for reducing display panel branding, which comprises the following steps:
acquiring N pictures of a display panel under different gray scales, and uploading the N pictures to a cloud; wherein N is greater than or equal to 2 and is an integer;
the cloud identifies a branding area in the N pictures, and processes the branding area to obtain branding compensation information;
and transmitting the branding compensation information back to the display panel so that the display panel completes compensation of the branding area.
In the embodiment of the present invention, the step of obtaining N pictures of the display panel under different gray scales includes:
adjusting the gray scale of the display panel to enable the display panel to be in different gray scales;
and acquiring N corresponding pictures of the display panel under different gray scales.
In an embodiment of the present invention, before uploading the N pictures to a cloud, the method further includes:
and receiving selection operation on a preset user interface of the mobile terminal, selecting N pictures under different gray scales according to the selection operation, and uploading the N pictures to the cloud.
In the embodiment of the invention, the cloud identifies the branding area in the N pictures, and processes the branding area to obtain branding compensation information, wherein the method comprises the following steps:
acquiring the brightness value of the branding area of the N pictures and the preset brightness value of the N pictures;
and calculating the compensation value of the branding area of the N pictures according to the brightness value and a preset brightness value.
In an embodiment of the present invention, the step of calculating the compensation value of the branding area of the N pictures according to the brightness value and the preset brightness value includes:
and selecting the compensation values of the branding areas of the N pictures under 3-5 gray scales to fit and establish a functional relation between different gray scales and the compensation values, and obtaining the compensation values of the branding areas under other gray scales through the functional relation.
The embodiment of the invention also provides a system for reducing display panel branding, which comprises:
the mobile terminal is used for acquiring N pictures of the display panel under different gray scales and uploading the N pictures to the cloud; wherein N is greater than or equal to 2 and is an integer;
the cloud end is used for identifying the branding area in the N pictures, processing the branding area to obtain branding compensation information, and transmitting the branding compensation information back to the display panel;
and the display panel is used for completing compensation of the branding area according to the branding compensation information.
In the embodiment of the invention, the display panel is further used for adjusting the gray scale of the display panel to enable the display panel to be in different gray scales; and the mobile terminal is used for acquiring N corresponding pictures of the display panel under different gray scales.
In the embodiment of the invention, the mobile terminal is further configured to receive a selection operation on a preset user interface of the mobile terminal, select N pictures with different gray scales according to the selection operation, and upload the N pictures to the cloud.
In the embodiment of the invention, the cloud is further used for acquiring the brightness value of the branding area of the N pictures and the preset brightness value of the N pictures; and calculating the compensation value of the branding area of the N pictures according to the brightness value and a preset brightness value.
In the embodiment of the invention, the cloud is further used for selecting the compensation values of the branding areas of the N pictures under 3-5 gray scales to fit and establish the functional relationship between different gray scales and the compensation values, and the compensation values of the branding areas under other gray scales are obtained through the functional relationship.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
in an embodiment of the invention, by the method and the system for reducing the branding of the display panel, on one hand, a user uploads pictures of the display panel under different gray scales to the cloud, the branding area in the pictures is identified through the cloud, algorithm processing is carried out on the branding area to obtain branding compensation information, and the branding compensation information is transmitted back to the display panel, so that the display panel completes compensation on the branding area of the display panel, thus the branding degree of the display panel can be reduced to a certain extent, visual flaws are avoided, and the display effect is improved; on the other hand, the pictures of the display panel under different gray scales are uploaded to the cloud end by the user, so that the picture information can be corrected and updated at any time, and the user can update and operate at any time, so that the operation of reducing display panel branding is more flexible; in addition, when the user compensates the display picture of the back panel to be not ideal, the compensation processing flow can be repeated again until the user is satisfied; when other branding appears after long-time use, the compensation process can be repeated until the requirement is met.
Drawings
FIG. 1 illustrates a flow chart of a method of reducing display panel burn-in an exemplary embodiment of the invention;
FIG. 2 is a schematic diagram illustrating the display panel branding at different gray levels according to an exemplary embodiment of the present invention;
FIG. 3 illustrates a system interaction diagram for reducing display panel burn-in an exemplary embodiment of the invention.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the drawings are merely schematic illustrations of the invention and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities.
The present example embodiment first provides a method of reducing display panel burn-in. Referring to fig. 1, the method of reducing display panel burn-in may include:
step S101: acquiring N pictures of a display panel under different gray scales, and uploading the N pictures to a cloud; wherein N is greater than or equal to 2 and is an integer;
step S102: the cloud identifies a branding area in the N pictures, and processes the branding area to obtain branding compensation information;
step S103: and transmitting the branding compensation information back to the display panel so that the display panel completes compensation of the branding area.
According to the method for reducing the branding of the display panel, on one hand, a user uploads pictures of the display panel under different gray scales to the cloud, the branding area in the pictures is identified through the cloud, algorithm processing is carried out on the branding area to obtain branding compensation information, and the branding compensation information is transmitted back to the display panel, so that the display panel completes compensation on the branding area of the display panel, the branding degree of the display panel can be reduced to a certain extent, visual flaws are avoided, and the display effect is improved; on the other hand, the pictures of the display panel under different gray scales are uploaded to the cloud end by the user, so that the picture information can be corrected and updated at any time, and the user can update and operate at any time, so that the operation of reducing display panel branding is more flexible; in addition, when the user compensates the display picture of the back panel to be not ideal, the compensation processing flow can be repeated again until the user is satisfied; when other branding appears after long-time use, the compensation process can be repeated until the requirement is met.
Next, the respective steps of the above-described method in the present exemplary embodiment will be described in more detail with reference to fig. 1 and 2.
In step S101, the step of acquiring N pictures of the display panel at different gray levels may include the following sub-steps:
step S1011, adjusting the gray scale of the display panel to make the display panel in different gray scales;
step S1012, acquiring N corresponding pictures of the display panel at different gray scales.
In step S1011, the gray scale is a gray scale that can be identified by the display, the gray scale represents an actual objective brightness, that is, an objective natural physical quantity of a real object, and the display continuously obtains different input voltages (gamma voltages), the gray scales reflected by the different input voltages are different, the gray scale value in this embodiment is 0 to 255, and 256 gray scales are total; the branding area corresponds to an output brightness under different gray scales, the output brightness is perceived by human eyes, the perception of the human eyes on the natural brightness is nonlinear, so the perceived subjective brightness and the actual objective brightness of the human eyes are not completely the same, and the mapping relation between the two can be represented by the following formula:
the output value is the input value Gamma, where Gamma represents the Gamma value.
For example, in step S1012, when the pictures of the display panel at different gray scales are obtained, the pictures can be obtained by using cameras of other mobile terminals to photograph the display panel, and the brightness of the display panel is adjusted during photographing to achieve the effect at different gray scales, so as to obtain N pictures at different gray scales, and after photographing is finished, the N pictures at different gray scales are sent to the mobile terminal where the display panel is located, and are stored in the mobile terminal; or a mirror is arranged in front of the display panel, a front camera of the mobile terminal where the display panel is located is opened to take a picture, the brightness of the display panel is adjusted during the picture taking, so that N pictures under different gray scales are obtained, and the obtained N pictures are stored in the mobile terminal; or, the display panel is photographed by using a camera, the brightness of the display panel is adjusted during photographing, so that N pictures under different gray scales are obtained, and after the photographing is finished, the photographed N pictures are transmitted to the mobile terminal where the display panel is located through transmission modes such as a data line and stored in the mobile terminal. In this embodiment, the N pictures may be set to 3, and if the number of the pictures is too small, it is not beneficial for the cloud to calculate branding compensation information according to the uploaded pictures; if too many pictures are uploaded, the operation amount of the user is increased, the cloud processing efficiency is reduced, and the user experience is reduced.
In step S1012, N corresponding pictures of the display panel at different gray scales are obtained, that is, the N pictures at different gray scales obtained in the above manner are obtained and may be stored in the mobile terminal.
In step S101, the uploading the N pictures to the cloud may include:
step S10111, receiving selection operation on a preset user interface of the mobile terminal, selecting N pictures under different gray scales according to the selection operation, and uploading the N pictures to the cloud.
Illustratively, the cloud is a software platform adopting an application virtualization technology, and integrates multiple functions of software searching, downloading, using, managing, backing up and the like, and various common software can be packaged in an independent virtualization environment through the platform, so that the application software cannot be coupled with a system, and the purpose of green software use is achieved. In this embodiment, the cloud may identify the branding region of the uploaded N pictures, calculate a compensation value of the branding region, and may fit and establish a functional relationship between different gray scales and the compensation value, so as to obtain the compensation value of the branding region under other gray scales through the functional relationship.
Specifically, the cloud may correspond to a branded application APP installed on a system of the mobile terminal. When branding exists on a display panel of the mobile terminal, a user opens a branding application program corresponding to the cloud to present a preset user interface, and selects the acquired N pictures at different gray scales through a selection control arranged on the preset user interface.
In step S102, the cloud identifies a branding area in the N pictures, and the step of processing the branding area to obtain branding compensation information may include:
step S1021, acquiring the brightness value of the branding area of the N pictures and the preset brightness value of the N pictures;
step S1022, calculating a compensation value of the branding region of the N pictures according to the brightness value and a preset brightness value.
Specifically, after the acquired 3 pictures with different gray scales are uploaded to the cloud, the cloud acquires brightness values of the branding area under different gray scales through the uploaded pictures, and acquires output brightness of other areas outside the branding area under corresponding gray scales as preset brightness values of the pictures under corresponding gray scales. For example, when the gray scale is 63, 127, 255, the brightness value of the burn-in area is 63b, 127b, 255b, and the preset brightness value of the picture outside the burn-in area corresponding to the gray scale is 63i, 127i, 255 i.
In step S1022, the step of calculating the compensation value of the branding area of the N pictures according to the brightness value and the preset brightness value may include:
and selecting the compensation values of the branding areas of the N pictures under 3-5 gray scales to fit and establish a functional relation between different gray scales and the compensation values, and obtaining the compensation values of the branding areas under other gray scales through the functional relation.
For example, the compensation values of the branding areas of the 3 pictures under the corresponding gray scales can be calculated to be f according to the brightness values and the preset brightness values(63)＝63i-63b、f(127)＝127i-127b、f(255)255i-255 b. The cloud end can be used for processing the compensation value f of the branding area when the gray scale value is 63(63)Compensation value f when the gray level value is 127(127)Compensation value f when the gray scale value is 255(255)By usingThe interpolation method can calculate the following functional relationship between each gray scale and gray scale compensation value of the branding area:
wherein x represents a gray scale, f(x)Represents the compensation value of the branded area of the display panel under the x gray scale.
And calculating gray scale compensation values of the branding area of the display panel under other gray scales according to the functional relation.
In step S103, the branding compensation information is transmitted back to the display panel, so that the display panel completes compensation for the branding area.
Specifically, the cloud calculates compensation values of the branding areas of the display panel under other gray scales, returns the compensation values of the branding areas under other gray scales to the display panel, and the display panel receives the compensation values of the branding areas under other gray scales, compensates the branding areas of the display panel according to the compensation values, and can reduce the branding phenomenon of the display panel to a certain extent.
In this embodiment, when the user is not satisfied with the burn-in compensation effect, the steps in this embodiment may be repeatedly executed, that is, the steps S101, S102, and S103 may be repeatedly executed, so that the user may perform updating and operation at any time, and the method is completely flexible and reliable, and enhances the user experience.
There is also provided in this example embodiment a system for reducing display panel burn-in, as shown in fig. 3, the system for reducing display panel burn-in including:
the mobile terminal is used for acquiring N pictures of the display panel under different gray scales and uploading the N pictures to the cloud; wherein N is greater than or equal to 2 and is an integer;
the cloud end is used for identifying the branding area in the N pictures, processing the branding area to obtain branding compensation information, and transmitting the branding compensation information back to the display panel;
and the display panel is used for completing compensation of the branding area according to the branding compensation information.
In this embodiment, the mobile terminal is further configured to adjust a gray scale of the display panel, so that the display panel is in different gray scales; and acquiring N corresponding pictures of the display panel under different gray scales.
In this embodiment, the mobile terminal is further configured to receive a selection operation on a preset user interface of the mobile terminal, select N pictures with different gray scales according to the selection operation, and upload the N pictures to the cloud.
In this embodiment, the cloud is further configured to obtain a brightness value of a branding area of the N pictures and a preset brightness value of the N pictures; and calculating the compensation value of the branding area of the N pictures according to the brightness value and a preset brightness value.
In this embodiment, the cloud is further configured to select compensation values of the branding areas of the N pictures at 3 to 5 gray scales to fit and establish a functional relationship between different gray scales and the compensation values, and obtain the compensation values of the branding areas at other gray scales through the functional relationship.
According to the method and the system for reducing the branding of the display panel, on one hand, a user uploads pictures of the display panel under different gray scales to the cloud, the branding area in the pictures is identified through the cloud, algorithm processing is carried out on the branding area to obtain branding compensation information, and the branding compensation information is transmitted back to the display panel, so that the display panel completes compensation on the branding area of the display panel, the branding degree of the display panel can be reduced to a certain extent, visual flaws are avoided, and the display effect is improved; on the other hand, the pictures of the display panel under different gray scales are uploaded to the cloud end by the user, so that the picture information can be corrected and updated at any time, and the user can update and operate at any time, so that the operation of reducing display panel branding is more flexible; in addition, when the user compensates the display picture of the back panel to be not ideal, the compensation processing flow can be repeated again until the user is satisfied; when other branding appears after long-time use, the compensation process can be repeated until the requirement is met.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (e.g., a mobile phone, a computer, a server, or a network device) to execute the method for reducing display panel burn-in according to the embodiments of the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
Claims (10)
1. A method for reducing display panel burn-in, comprising:
acquiring N pictures of a display panel under different gray scales, and uploading the N pictures to a cloud; wherein N is greater than or equal to 2 and is an integer;
the cloud identifies a branding area in the N pictures, and processes the branding area to obtain branding compensation information;
and transmitting the branding compensation information back to the display panel so that the display panel completes compensation of the branding area.
2. The method of claim 1, wherein the step of obtaining N pictures of the display panel at different gray levels comprises:
adjusting the gray scale of the display panel to enable the display panel to be in different gray scales;
and acquiring N corresponding pictures of the display panel under different gray scales.
3. The method of claim 1, wherein prior to uploading the N pictures to a cloud, the method further comprises:
and receiving selection operation on a preset user interface of the mobile terminal, selecting N pictures under different gray scales according to the selection operation, and uploading the N pictures to the cloud.
4. The method for reducing the display panel branding according to any one of claims 1 to 3, wherein the cloud identifies branding areas in the N pictures, and the step of processing the branding areas to obtain branding compensation information comprises the steps of:
acquiring the brightness value of the branding area of the N pictures and the preset brightness value of the N pictures;
and calculating the compensation value of the branding area of the N pictures according to the brightness value and a preset brightness value.
5. The method of claim 4, wherein the step of calculating the compensation value of the branding area of the N pictures according to the brightness value and a predetermined brightness value comprises:
and selecting the compensation values of the branding areas of the N pictures under 3-5 gray scales to fit and establish a functional relation between different gray scales and the compensation values, and obtaining the compensation values of the branding areas under other gray scales through the functional relation.
6. A system for reducing display panel burn-in, comprising:
the mobile terminal is used for acquiring N pictures of the display panel under different gray scales and uploading the N pictures to the cloud; wherein N is greater than or equal to 2 and is an integer;
the cloud end is used for identifying the branding area in the N pictures, processing the branding area to obtain branding compensation information, and transmitting the branding compensation information back to the display panel;
and the display panel is used for completing compensation of the branding area according to the branding compensation information.
7. The system of claim 6, wherein the display panel is further configured to adjust gray levels of the display panel to be at different gray levels;
and the mobile terminal is used for acquiring N corresponding pictures of the display panel under different gray scales.
8. The system of claim 7, wherein the mobile terminal is further configured to receive a selection operation on a predetermined user interface of the mobile terminal, select N pictures with different gray scales according to the selection operation, and upload the N pictures to the cloud.
9. The system for reducing display panel branding according to any one of claims 6-8, wherein the cloud is further configured to obtain a brightness value of a branding area of N pictures and a preset brightness value of the N pictures; and calculating the compensation value of the branding area of the N pictures according to the brightness value and a preset brightness value.
10. The system of claim 9, wherein the cloud is further configured to select compensation values of the branding regions of the N pictures at 3-5 gray scales to fit and establish a functional relationship between different gray scales and the compensation values, and obtain compensation values of the branding regions at other gray scales through the functional relationship.
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Application publication date: 20200825 |