CN111933826B - Method and equipment for repairing OLED (organic light emitting diode) screen body based on respective formulas of different sub-pixels - Google Patents
Method and equipment for repairing OLED (organic light emitting diode) screen body based on respective formulas of different sub-pixels Download PDFInfo
- Publication number
- CN111933826B CN111933826B CN202010895987.3A CN202010895987A CN111933826B CN 111933826 B CN111933826 B CN 111933826B CN 202010895987 A CN202010895987 A CN 202010895987A CN 111933826 B CN111933826 B CN 111933826B
- Authority
- CN
- China
- Prior art keywords
- sub
- pixel
- pixels
- repair
- repairing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a method and equipment for repairing an OLED (organic light emitting diode) screen body based on respective formulas of different sub-pixels, and belongs to the technical field of OLED screen body production. According to the repairing method, after the OLED screen body is switched to the color corresponding to each type of sub-pixel, respective laser parameters are configured, and the repairing tracks of each type of sub-pixel and the arrangement mode of the last sub-pixel of the OLED screen body are combined to form respective repairing formulas of different types of sub-pixels; then, according to the distribution and the composition of bright points on the OLED screen body, an optimal repair formula combination is formed, the independent repair of various sub-pixels is completed, the repair precision is high, and the damage to normal sub-pixels around the bright points can be effectively prevented; the repairing method provided by the invention adopts respective repairing formulas for different sub-pixels, so that the pertinence of laser repairing is improved, and the repairing effect of bright spots on the OLED screen body is further improved.
Description
Technical Field
The invention relates to the technical field of OLED screen body production, in particular to a method and equipment for repairing an OLED screen body based on respective formulas of different sub-pixels.
Background
The OLED flexible display screen is an emerging display technology and is one of the mainstream directions of the development of the future display technology. The basic structure of the OLED includes an anode layer and a metal cathode layer, and a thin and transparent ITO (indium tin oxide) with semiconductor characteristics between the anode layer and the metal cathode layer. When a voltage is applied, positive holes and negative charges are combined in the light-emitting layer to emit light. Meanwhile, by changing the formula of the material, the sub-pixels can generate red light, green light and blue light, namely, an R sub-pixel, a G sub-pixel and a B sub-pixel are formed, and R, G, B sub-pixels jointly form a pixel point.
The OLED flexible display screen is easy to produce bright spots in the production process, and the grade of the screen body is further reduced. Generally, in the OLED panel adopting the RGB arrangement, R, G, B subpixels have substantially the same shape and size, and R, G, B subpixels have a small relative position and distance difference, and the repair method using the integral repair formula can complete the repair of the OLED panel, for example, the laser repair method of the OLED panel disclosed in chinese patent application No. 2014101333558.
However, in some fields, especially OLED panels of small electronic devices such as mobile phones, etc., due to the influence of screen size and lifetime of light-emitting materials, manufacturers have differences in the layout, size and relative position of R, G, B subpixels, such as R, G, B subpixel layout disclosed in chinese patent documents with application numbers 2015100832873, 2011101466433 and 2013102902091.
Therefore, when the OLED screen adopting the non-RGB arrangement mode is repaired by using the repair method of the integral repair formula, the secondary pixels around the bright spots are easily damaged.
Disclosure of Invention
The invention provides a method for repairing an OLED screen body based on respective formulas of different sub-pixels, aiming at overcoming the defect of poor repairing effect of OLED screen bright spots in a non-RGB arrangement mode in the prior art and improving the repairing precision of the OLED screen body by utilizing a mode of respectively repairing various sub-pixels.
In order to achieve the above object, the present invention provides a method for repairing an OLED panel based on respective formulations of different sub-pixels, comprising the following steps,
step 3, switching the OLED screen body to the color corresponding to each kind of sub-pixel, respectively configuring respective laser parameters, and combining the repair track obtained in the step 1 and the arrangement mode obtained in the step 2 to form a repair formula of each kind of sub-pixel;
step 4, switching the OLED screen body to white, determining the number, relative position and other information of sub-pixels needing to be repaired according to the distribution and composition of bright points, and forming an optimal repair formula combination according to the information;
and 5, respectively repairing various sub-pixels according to the optimal repairing formula combination formed in the step 4 and specifically according to respective formulas of various sub-pixels.
Further, in step 1, respective repair tracks are formed according to the shape and size of each kind of sub-pixel.
Furthermore, the forming method of the repair track is to form a closed wire frame around the sub-pixel, and then form a plurality of repair lines parallel to each other within the range of the wire frame.
Further, the sub-pixels on the OLED screen body are arranged in an irregular RGB mode.
Furthermore, a plurality of pixel points are arranged on the OLED screen body, each pixel point is composed of at least two sub-pixels, and the sub-pixels used for forming the same pixel point comprise at least two of the first sub-pixel, the second sub-pixel and the third sub-pixel.
Further, the laser parameters include line width, duty ratio, wavelength, frequency, and processing speed.
Further, the laser parameters are 75-85 mm in line width, 16-20% in duty ratio, 2300-2700 Hz in frequency and 20-40 mm/s in processing speed; the wavelength is 1064 μm or 532 μm.
Further, in step 3, values of the line width, the duty ratio, the wavelength, the frequency and the processing speed are adjusted to form a plurality of schemes, experiments are sequentially carried out, and the optimal scheme is selected to configure laser parameters.
Further, in step 5, obtaining the positions and the number of the points to be repaired of the various sub-pixels according to the distribution and the composition of the bright points, and obtaining the repairing sequence of the points to be repaired of the various sub-pixels; the repairing sequence of the points to be repaired of the various types of sub-pixels and the repairing formula of the various types of sub-pixels jointly form an optimal repairing formula combination.
In the following, the following description is given,
the invention also provides equipment for implementing the repairing method, and the equipment is used for implementing the method so as to repair the OLED screen body.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) according to the repairing method, after the OLED screen body is switched to the color corresponding to each type of sub-pixel, respective laser parameters are configured, and the repairing tracks of each type of sub-pixel and the arrangement mode of the last sub-pixel of the OLED screen body are combined to form respective repairing formulas of different types of sub-pixels; then, according to the distribution and the composition of bright points on the OLED screen body, an optimal repair formula combination is formed, the independent repair of various sub-pixels is completed, the repair precision is high, and the damage to normal sub-pixels around the bright points can be effectively prevented; the repairing method provided by the invention adopts respective repairing formulas for different sub-pixels, so that the pertinence of laser repairing is improved, and the repairing effect of bright spots on the OLED screen body is further improved.
(2) According to the method, the positions and the number of points to be repaired of various types of sub-pixels are obtained according to the distribution and the composition of bright points on an OLED screen body, and the repairing sequence of the points to be repaired of various types of sub-pixels is obtained; the repairing sequence of the points to be repaired of the various sub-pixels and the repairing formula of the various sub-pixels are formed into an optimal repairing formula combination together, the points to be repaired of the various sub-pixels are repaired in sequence according to the optimal repairing formula combination, and the whole repairing efficiency can be improved while the high OLED screen repairing effect is maintained.
(3) The repairing device is used for implementing the repairing method, and has simple structure and easy operation; the OLED screen body repairing efficiency is high by utilizing the repairing equipment.
Drawings
FIG. 1 is a schematic diagram of an OLED panel structure with sub-pixels arranged according to RGB;
FIG. 2 is a schematic diagram of an OLED screen structure with subpixels arranged according to pentail;
FIG. 3 is a schematic view of the OLED panel structure with sub-pixels arranged according to diamonds;
FIG. 4 is a schematic view of an OLED panel structure with sub-pixels arranged according to BOE;
FIG. 5 is a schematic view of the structure of an OLED panel with sub-pixels arranged according to delta;
FIG. 6 is a schematic diagram of the distribution of bright spots of the OLED screen to be repaired in the present invention;
FIG. 7 is a schematic structural diagram of a first sub-pixel according to the present invention;
FIG. 8 is a diagram illustrating a first time pixel repair trace according to the present invention;
FIG. 9 is a schematic diagram of a second sub-pixel according to the present invention;
FIG. 10 is a schematic diagram of a third sub-pixel structure according to the present invention.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
The structure, proportion, size and the like shown in the drawings are only used for matching with the content disclosed in the specification, so that the person skilled in the art can understand and read the description, and the description is not used for limiting the limit condition of the implementation of the invention, so the method has no technical essence, and any structural modification, proportion relation change or size adjustment still falls within the scope of the technical content disclosed by the invention without affecting the effect and the achievable purpose of the invention. In addition, the terms such as "upper", "lower", "left", "right" and "middle" used in the present specification are used for clarity of description, and are not used to limit the implementable scope, and the changes or adjustments of the relative relationship thereof can be considered as the implementable scope of the present invention without substantial technical changes.
A plurality of pixel points are distributed on the OLED screen body, and the pixel points are composed of a plurality of sub-pixels. Generally, a pixel is composed of a red sub-pixel, a blue sub-pixel and a green sub-pixel, so that the pixel can display a true color. For example, in the OLED panel structure with sub-pixels arranged according to RGB shown in fig. 1, the adjacent first sub-pixel 11, second sub-pixel 21 and third sub-pixel 31 constitute a pixel. Wherein the first sub-pixel 11 may be a red sub-pixel, the second sub-pixel 21 may be a green sub-pixel, and the third sub-pixel 31 may be a blue sub-pixel.
It will be appreciated that the light-emitting materials used to form the red, blue and green sub-pixels are not the same. Therefore, the lifetimes of the red light-emitting material, the blue light-emitting material, and the green light-emitting material are greatly different, and particularly, the difference in the lifetimes between the red light-emitting material and the blue light-emitting material and the green light-emitting material is large. In order to solve the problem, the feasible method is to change the sizes of the red light sub-pixel, the blue light sub-pixel and the green light sub-pixel, namely to increase the areas of the red light sub-pixel and the green light sub-pixel, and simultaneously to change the arrangement mode of the red light sub-pixel, the blue light sub-pixel and the green light sub-pixel, so that the service lives of the red light sub-pixel, the blue light sub-pixel and the green light sub-pixel tend to be consistent.
For example, fig. 2 shows the OLED panel structure with subpixels arranged according to pentail, fig. 3 shows the OLED panel structure with subpixels arranged according to diamond, fig. 4 shows the OLED panel structure with subpixels arranged according to BOE, and fig. 5 shows the OLED panel structure with subpixels arranged according to delta.
The above are examples of non-RGB arranged OLED screen structures. The pixel point of the OLED screen body may be composed of at least two kinds of sub-pixels among the first sub-pixel 11, the second sub-pixel 21 and the third sub-pixel 31, and when the pixel point only includes two kinds of sub-pixels among the first sub-pixel 11, the second sub-pixel 21 and the third sub-pixel 31, the third sub-pixel in the adjacent pixel point may be used to complete true color display.
For example, when a certain pixel point of the OLED screen only includes the second sub-pixel 21 and the third sub-pixel 31, white cannot be displayed by a single pixel point, and at this time, white display can be achieved by using the first sub-pixel 11 in an adjacent pixel point.
In the example of non-RGB arrangement, there are differences in the sizes of the various kinds of sub-pixels, and the number of sub-pixels constituting a pixel point is different from each other. When the OLED screen body which is not arranged in RGB generates a bright spot due to the damage of the last pixel, if a single laser repair parameter is adopted to simultaneously destroy a plurality of different types of sub-pixels in the bright spot area type so as to kill the bright spot, the sub-pixels which can be normally used can be destroyed except the damaged sub-pixels, so that the yield of the repaired OLED screen body is reduced.
In order to solve the problem of repairing bright spots of non-RGB-arranged OLED screens, the embodiment provides a repair method for repairing an OLED screen based on respective formulas of different sub-pixels, which specifically includes the following steps:
Firstly, the OLED screen body is lightened, then the OLED screen body is switched to the color corresponding to each type of sub-pixel, and the repair track of each type of sub-pixel is formed.
Specifically, for example, when the first sub-pixel 11 is a red sub-pixel, the second sub-pixel 21 is a green sub-pixel, and the third sub-pixel 31 is a blue sub-pixel, the OLED panel may be switched to red light, at this time, the first sub-pixel 11 on the OLED panel is in a light-emitting state, and the second sub-pixel 21 and the third sub-pixel 31 are in a light-off state, and then the information of the first sub-pixel 11 is collected, and a repair track of the first sub-pixel 11 is formed.
Wherein the information of the first sub-pixel 11 to be acquired comprises the shape and size of the first sub-pixel 11.
When the repair track of the first sub-pixel 11 is formed, a closed wire frame 51 is formed around the first sub-pixel 11, and then a plurality of repair lines 52 are formed within the range of the wire frame, and the plurality of repair lines 52 are preferably arranged in parallel with each other. The distance between the repair lines 52 may be determined according to the line width of the laser so that the laser moves along the repair lines 52 to completely cover the extent of the wire frame 51.
After the repair track of the first sub-pixel 11 is formed, the OLED screen may be switched to green light, where the second sub-pixel 21 is in an on state, and the first sub-pixel 11 and the third sub-pixel 31 are in an off state; then, the repair track of the second sub-pixel 21 is formed according to the above-described method for forming the repair track of the first sub-pixel 11.
After the repair track of the second sub-pixel 21 is formed, the OLED panel may be switched to blue, and a repair track of the third sub-pixel 31 is formed according to the method for forming the repair track of the first sub-pixel 11.
It should be noted that the order of forming the repair tracks of the first sub-pixel 11, the second sub-pixel 21, and the third sub-pixel 31 is not limited as long as the repair tracks of the first sub-pixel 11, the second sub-pixel 21, and the third sub-pixel 31 are formed separately. For example, the repair trace of the second sub-pixel 21 may be formed first, and then the repair traces of the first sub-pixel 11 and the third sub-pixel 31 may be formed.
Firstly, the OLED screen body is switched to white, and then the information acquisition unit is used to acquire the arrangement mode of each type of sub-pixels on the OLED screen body, specifically, a camera, for example, a CCD camera, is used to convert the optical image of each type of sub-pixels on the OLED screen body into digital signals, so as to form the arrangement mode information of the sub-pixels.
The arrangement mode information of the sub-pixels comprises the types and the number of various sub-pixels in the pixel points and the relative position relation among all the sub-pixels.
Step 3, forming a repair formula
Firstly, the OLED screen body is switched to the colors corresponding to various sub-pixels, respective laser parameters are configured, and then the repair tracks obtained in the step 1 and the arrangement modes obtained in the step 2 are combined to form repair formulas of various sub-pixels.
Specifically, for example, when the first sub-pixel 11 is a red sub-pixel, the second sub-pixel 21 is a green sub-pixel, and the third sub-pixel 31 is a blue sub-pixel, the OLED panel may be switched to red, and then laser parameters corresponding to the red sub-pixel may be configured. The laser parameters include the line width, duty ratio, wavelength, frequency, processing speed and the like of the laser.
The range of the line width of the laser is 75-85 mm, the range of the duty ratio is 16-20%, the range of the frequency is 2300-2700 Hz, and the range of the processing speed is 20-40 mm/s. The wavelength is 1064 μm or 532 μm. Wherein, it should be noted that the laser with 1064 μm wavelength may be a neodymium-yttrium aluminum garnet laser, which is near infrared light; the 532 μm wavelength laser may be a helium neon laser. In a specific repair, the actual wavelength may deviate from the theoretical laser wavelength, which needs to be within an acceptable range, and thus a wavelength of 1064 μm does not mean that the required laser wavelength is exactly 1064 μm.
And (3) after the laser parameters of the red light sub-pixel are configured, combining the repair track of the red light sub-pixel obtained in the step (1) and the sub-pixel arrangement mode information obtained in the step (2), and finally obtaining a repair formula for laser repair of the red light sub-pixel. Namely, the repair formula of the red sub-pixel comprises three elements of the repair track of the red sub-pixel, sub-pixel arrangement mode information and laser parameters of the red sub-pixel.
After the repair formula of the red sub-pixel is formed, the OLED screen body can be switched to green light, and the repair formula of the green sub-pixel is formed; and finally, switching the OLED screen body to blue light, and forming a repair formula of the blue light sub-pixel. Of course, the order in which the repair formulations for the red, green, and blue subpixels are formed is not limited, and the above examples are merely illustrative.
In addition, in order to improve the repair effect of the sub-pixels, when laser parameters are configured, values of line width, duty ratio, wavelength, frequency and processing speed can be adjusted to form a plurality of schemes, then the schemes are sequentially tested, and the optimal scheme is selected to configure the laser parameters.
For example, when configuring the laser parameters of the red sub-pixels, several schemes may be formed, then several normally displayed red sub-pixels are selected on the OLED screen, then the laser parameters of each scheme are used to perform laser processing on the red sub-pixels, and finally the laser processing effect is evaluated and the optimal scheme is obtained. It should be known that, when the laser parameters are the same, after the laser processing is performed on the normally displayed red sub-pixel, and the OLED screen body is switched to red light, the display effect of the normally displayed red sub-pixel is equal to the display effect of the repaired red sub-pixel, so that the processing effect of the laser processing on the red sub-pixel to be repaired can be evaluated by the processing effect of the laser processing on the normally displayed red sub-pixel.
When the optimal scheme is selected from a plurality of schemes, normally displayed secondary pixel points are directly used as experimental objects, bright spots do not need to be found in advance, the composition of the bright spots does not need to be considered, the configuration efficiency of laser parameters can be improved, and the laser repair efficiency is improved; the method is particularly suitable for the same batch repair process of a plurality of OLED screens with the same structure.
Step 4, forming the optimal repairing compound combination
Firstly, the OLED screen body is switched to be white, and then the information of the bright spot on the OLED screen body is collected by the information collecting unit. Wherein, the information of the bright spot comprises the position of the bright spot and the composition of the bright spot, and forms the optimal repair formula combination.
After the positions of the bright spots and the structures of the bright spots are determined, the positions and the number of the points to be repaired of the various types of sub-pixels can be determined, and then the repairing sequence of the repairing points to be repaired of the various types of sub-pixels can be determined according to the positions and the number of the points to be repaired of the various types of sub-pixels.
For example, after the information acquisition unit acquires the bright spot information, it is found that the OLED panel coexists in three bright spots, which are a first bright spot, a second bright spot and a third bright spot, the first bright spot includes a red sub-pixel to be repaired and a green sub-pixel to be repaired, the second bright spot includes a green sub-pixel to be repaired and a blue sub-pixel to be repaired, and the third bright spot includes a red sub-pixel to be repaired. At this time, the order of repairing the to-be-repaired points of the various sub-pixels may be to sequentially repair the red sub-pixel of the first bright point, the green sub-pixel of the second bright point, the blue sub-pixel of the second bright point, and the red sub-pixel of the third bright point.
Certainly, laser parameters need to be switched among the red sub-pixels, the green sub-pixels and the blue sub-pixels, so that the optimal method is to firstly repair all the sub-pixels of a certain class in the sub-pixels of various classes, then repair all the sub-pixels of another class in the sub-pixels of various classes, and finally repair all the sub-pixels of the rest class in the sub-pixels of various classes. For example, the red sub-pixel of the first bright point and the red sub-pixel of the third bright point are repaired, and then the green sub-pixel of the first bright point and the green sub-pixel of the second bright point are repaired. And finally, repairing the blue sub-pixel of the second bright point.
Step 5, repairing the screen body
And (4) respectively repairing various sub-pixels according to the optimal repairing formula combination formed in the step (4). Taking the case that the first sub-pixel 11 is a red sub-pixel, the second sub-pixel 21 is a green sub-pixel, and the third sub-pixel 31 is a blue sub-pixel as an example, the specific repair process is to first switch the OLED screen body to red light, and then sequentially repair the red sub-pixel to-be-repaired points on the OLED screen body according to the optimal repair formula combination formed in step 4; then, switching the OLED screen body to green light and sequentially repairing the to-be-repaired points of the green light sub-pixels; and finally, switching the OLED screen body to blue light and repairing the to-be-repaired point of the blue light sub-pixel.
In the following, the following description is given,
the present embodiment provides a specific OLED screen repair example.
Fig. 6 shows the arrangement of sub-pixels and the distribution of bright spots of a certain OLED screen to be repaired in this embodiment. The first sub-pixel 11 is a blue sub-pixel, the second sub-pixel 21 is a green sub-pixel, and the third sub-pixel 31 is a red sub-pixel. Two bright spots 4 appear in the range of the OLED panel shown in fig. 6, which are a first bright spot located at the upper left corner in fig. 6 and a second bright spot located at the lower right corner in fig. 6.
By using the method for repairing the OLED screen body, the specific repairing process can be as follows:
After the repair track for the first sub-pixel 11 is formed, the OLED panel may be switched to green, exhibiting the sub-pixel arrangement shown in fig. 9 and forming the repair track for the second sub-pixel 21. Finally, the OLED panel is switched to blue light, so as to show the arrangement state of the sub-pixels shown in fig. 10 and form a repair track of the third sub-pixel 31.
And 3, switching the OLED screen body to blue, configuring laser parameters of the first sub-pixel 11, and combining the repair track obtained in the step 1 and the arrangement mode obtained in the step 2 to form a repair formula of the first sub-pixel 11. The laser parameters of the first sub-pixel 11 are specifically line width 80mm, duty ratio 17%, frequency 1500Hz, and processing speed 40 mm/s.
After the repair formula of the first pixel 11 is formed, switching the OLED screen body to green, configuring laser parameters of the second pixel 21, and forming the repair formula of the second pixel 21; the OLED screen is switched to red, the optical parameters of the third sub-pixel 31 are configured, and a repair recipe for the third sub-pixel 31 is formed. The laser parameters of the second pixel 21 are specifically line width 80mm, duty ratio 18%, frequency 2500Hz, and processing speed 40 mm/s. The laser parameters of the third pixel are specifically line width 80mm, duty ratio 19%, frequency 1500Hz, and processing speed 40 mm/s.
Step 4, switching the OLED screen body to be white, collecting information of a bright spot, and obtaining that the OLED screen body has a first bright spot at the upper left corner of the graph 6, wherein the bright spot is composed of a first sub-pixel 12 to be repaired and a third sub-pixel 32 to be repaired; the OLED screen body has a second bright spot in the lower right corner of fig. 6, and the second bright spot is composed of a first sub-pixel 12 to be repaired and a second sub-pixel 22 to be repaired. And determining the number, relative position and other information of the sub-pixels needing to be repaired according to the distribution and the composition of the bright points, and forming an optimal repair formula combination according to the information.
The optimal repair formula combination comprises the laser parameters of various sub-pixels obtained in the step 3 and the repair sequence of the points to be repaired of the various sub-pixels. The repairing sequence of the to-be-repaired points of the various types of sub-pixels is that the to-be-repaired first sub-pixel 12 of the first bright point and the to-be-repaired first sub-pixel 12 of the second bright point are repaired sequentially, then the to-be-repaired second sub-pixel 22 of the second bright point is repaired, and finally the to-be-repaired third sub-pixel 32 of the first bright point is repaired.
And 5, respectively repairing various sub-pixels according to the optimal repairing formula combination formed in the step 4 and specifically according to respective formulas of various sub-pixels.
In the following, the following description is given,
the embodiment also provides a repair device for implementing the repair method, so that the laser repair process of the OLED screen body is realized.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. A method for carrying out OLED screen body laser repair based on different sub-pixel respective formulas is characterized in that: comprises the following steps of (a) carrying out,
step 1, lighting an OLED screen body, switching to colors corresponding to various sub-pixels, and forming repair tracks of the various sub-pixels;
step 2, switching the OLED screen body to white to obtain the arrangement mode of the sub-pixels;
step 3, switching the OLED screen body to the color corresponding to each kind of sub-pixel, respectively configuring respective laser parameters, and combining the repair track obtained in the step 1 and the arrangement mode obtained in the step 2 to form a repair formula of each kind of sub-pixel;
step 4, switching the OLED screen body to white, and forming an optimal repair formula combination according to the distribution and the composition of bright points;
and 5, respectively repairing various sub-pixels according to the optimal repairing formula combination formed in the step 4.
2. The method according to claim 1, wherein the OLED panel laser repair is performed based on different respective sub-pixel formulations, and comprises: in the step 1, respective repair tracks are formed according to the shapes and sizes of the various sub-pixels.
3. The method of claim 1, wherein the method comprises the steps of: the forming method of the repair track comprises the steps of forming a closed wire frame around the secondary pixel, and then forming a plurality of parallel repair lines in the range of the wire frame.
4. The method according to claim 1, wherein the OLED panel laser repair is performed based on different respective sub-pixel formulations, and comprises: and the sub-pixels on the OLED screen body are arranged in an irregular RGB manner.
5. The method of claim 4, wherein the OLED panel laser repair is performed based on different respective sub-pixel formulations, and comprises: the OLED screen body is provided with a plurality of pixel points, each pixel point is composed of at least two sub-pixels, and the sub-pixels used for forming the same pixel point comprise at least two of a first sub-pixel, a second sub-pixel and a third sub-pixel.
6. The method according to claim 1, wherein the OLED panel laser repair is performed based on different respective sub-pixel formulations, and comprises: the laser parameters comprise line width, duty ratio, wavelength, frequency and processing speed.
7. The method of claim 6, wherein the OLED panel laser repair is performed based on different respective sub-pixel formulations, and comprises: the laser parameters are 75-85 mm in line width, 16-20% in duty ratio, 2300-2700 Hz in frequency and 20-40 mm/s in processing speed; the wavelength is 1064 μm, or 532 μm.
8. The method of claim 6, wherein the OLED panel laser repair is performed based on different respective sub-pixel formulations, and comprises: in the step 3, values of the line width, the duty ratio, the wavelength, the frequency and the processing speed are adjusted to form a plurality of schemes, experiments are sequentially carried out, and the optimal scheme is selected to configure laser parameters.
9. The method according to claim 1, wherein the OLED panel laser repair is performed based on different respective sub-pixel formulations, and comprises: in the step 5, the positions and the number of the points to be repaired of the various sub-pixels are obtained according to the distribution and the composition of the bright points, and the repairing sequence of the points to be repaired of the various sub-pixels is obtained; the repairing sequence of the points to be repaired of the various sub-pixels and the repairing formulas of the various sub-pixels are formed into an optimal repairing formula combination together.
10. The utility model provides an OLED screen body laser repair equipment which characterized in that: repairing an OLED screen by using the method of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010895987.3A CN111933826B (en) | 2020-08-31 | 2020-08-31 | Method and equipment for repairing OLED (organic light emitting diode) screen body based on respective formulas of different sub-pixels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010895987.3A CN111933826B (en) | 2020-08-31 | 2020-08-31 | Method and equipment for repairing OLED (organic light emitting diode) screen body based on respective formulas of different sub-pixels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111933826A CN111933826A (en) | 2020-11-13 |
| CN111933826B true CN111933826B (en) | 2022-06-17 |
Family
ID=73309753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010895987.3A Active CN111933826B (en) | 2020-08-31 | 2020-08-31 | Method and equipment for repairing OLED (organic light emitting diode) screen body based on respective formulas of different sub-pixels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111933826B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004070455A2 (en) * | 2003-01-31 | 2004-08-19 | Yieldboost Tech., Inc. | Optimizing a liquid crystal display (lcd) manufacturing process |
| CN102707463A (en) * | 2011-08-17 | 2012-10-03 | 京东方科技集团股份有限公司 | Method for repairing pixel bright spot |
| CN104978916A (en) * | 2014-04-03 | 2015-10-14 | 四川虹视显示技术有限公司 | OLED (Organic Light Emitting Diode) panel display defect restoration method |
| CN110102960A (en) * | 2019-05-30 | 2019-08-09 | 北京兆维科技开发有限公司 | A kind of method that laser scribing scanning display screen repairs light leakage defect |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100986845B1 (en) * | 2008-08-14 | 2010-10-08 | 삼성모바일디스플레이주식회사 | Repair structure for Repairing Line Defect of Organic Light Emitting Display Device and Method of Repairing the Same |
-
2020
- 2020-08-31 CN CN202010895987.3A patent/CN111933826B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004070455A2 (en) * | 2003-01-31 | 2004-08-19 | Yieldboost Tech., Inc. | Optimizing a liquid crystal display (lcd) manufacturing process |
| CN102707463A (en) * | 2011-08-17 | 2012-10-03 | 京东方科技集团股份有限公司 | Method for repairing pixel bright spot |
| CN104978916A (en) * | 2014-04-03 | 2015-10-14 | 四川虹视显示技术有限公司 | OLED (Organic Light Emitting Diode) panel display defect restoration method |
| CN110102960A (en) * | 2019-05-30 | 2019-08-09 | 北京兆维科技开发有限公司 | A kind of method that laser scribing scanning display screen repairs light leakage defect |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111933826A (en) | 2020-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107452778B (en) | Display substrate, display device, display method of display device and mask plate | |
| CN109192076B (en) | Display panel and display device | |
| KR101615332B1 (en) | Pixel arrangement structure for organic light emitting display device | |
| KR102454108B1 (en) | Led display panel and display device using the same | |
| KR100642491B1 (en) | Organic Electro luminescence Device | |
| CN105679233B (en) | OLED display module for large format OLED display | |
| US20160358985A1 (en) | Organic light emitting diode display device, driving method thereof and related apparatus | |
| CN105679798A (en) | OLED display device and pixel repair method thereof | |
| CN106782317B (en) | AMOLED display panel and its driving method and driving device | |
| CN104835832A (en) | Pixel arrangement structure, organic electroluminescent device, display device, and mask plate | |
| JP2014157207A (en) | Display device and electronic apparatus | |
| KR20170116598A (en) | Pixel arrangement structure for organic light emitting display device | |
| US20180212001A1 (en) | Pixel structure, fabrication method thereof, display panel, and display apparatus | |
| CN103779388A (en) | Organic electroluminescence display device and driving method thereof, and display apparatus | |
| CN212230037U (en) | Display panel and display device | |
| CN110828529B (en) | Display device and display panel thereof | |
| KR20090122023A (en) | Transparent organic light emitting diode backlight unit and transparent full color liquid crystal display using thereof | |
| CN107507926A (en) | OLED pixel structure and its restorative procedure | |
| CN103178085A (en) | Display device and electronic apparatus | |
| CN107452783A (en) | A kind of organic light emitting diode display | |
| CN110085624B (en) | Pixel arrangement structure, display panel and mask plate assembly | |
| TW201541625A (en) | Light emitting device | |
| KR20100119653A (en) | Organic electroluminescent display device and methods of driving and manufacturing the same | |
| KR102196903B1 (en) | Organic light emitting display device | |
| CN103837918A (en) | Grating structure color filter film for full color light-emitting OLED |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230621 Address after: Room 377, Floor 1, Zone C, Building 24, Gangwan 1, Jintang Road, Tangjiawan Town, High-tech Zone, Zhuhai City, Guangdong Province, 519085 (centralized office area) Patentee after: Maiwei Technology (Zhuhai) Co.,Ltd. Address before: 215200 No. 228, Ludang Road, Wujiang District, Suzhou City, Jiangsu Province Patentee before: SUZHOU MAXWELL TECHNOLOGIES Co.,Ltd. |
|
| TR01 | Transfer of patent right |