Optical simulation method and device

Abstract

The invention provides an optical simulation method and equipment, and the method is applied to a light-emitting element, and the method comprises the steps: determining a plurality of first partitions of the light-emitting element according to the first parameter information of the light-emitting element, and calculating the third parameter information of the light-emitting element according to a plurality of pieces of second sub-parameter information and a plurality of weights corresponding to the plurality of first partitions, and an optical simulation graph of the light-emitting element is drawn according to the third parameter information, so that the reliability of analog simulation of the light-emitting element is improved, and a display panel meeting requirements is more favorably formed.

Description

Technical Field

[0001] The present invention relates to the field of display technologies, in particular to the manufacturing of display devices, and specifically to an optical simulation method and its equipment. Background Art

[0002] As an important part of device development and a guiding tool before experimental verification, simulation plays an important role in the development of OLED (Organic Light-Emitting Diode) display panels.

[0003] However, the existing simulation software cannot meet the simulation requirements for the uneven thickness of the printed film layer caused by the IJP (Ink-Jet Printing) process in the OLED display panel, resulting in low reliability of the simulation of a single OLED, which is not conducive to forming a qualified OLED display panel and cannot achieve the goal of accurately guiding experimental design. Summary of the Invention

[0004] The purpose of the present invention is to provide an optical simulation method and its equipment to improve the technical problem of low reliability of the simulation of a single existing OLED.

[0005] The present invention provides an optical simulation method, which is applied to a light-emitting element and includes:

[0006] Determining a plurality of first partitions of the light-emitting element according to the first parameter information of the light-emitting element;

[0007] Obtaining second sub-parameter information corresponding to each of the first partitions and corresponding weights, and calculating third parameter information of the light-emitting element according to the plurality of weights and the plurality of second sub-parameter information;

[0008] Drawing an optical simulation diagram of the light-emitting element according to the third parameter information.

[0009] In some embodiments, the step of determining a plurality of first partitions of the light-emitting element according to the first parameter information of the light-emitting element includes:

[0010] Obtaining gray-scale information or thickness information of the light-emitting element as the first parameter information;

[0011] Determining a plurality of the first partitions corresponding to the gray-scale information or the thickness information according to the gray-scale information or the thickness information.

[0012] In some embodiments, the step of obtaining gray-scale information or thickness information of the light-emitting element as the first parameter information includes:

[0013] Control the light-emitting element to emit light, and obtain the corresponding grayscale information as the first parameter information when the light-emitting element emits light, where the grayscale information includes different grayscale values of different regions in the light-emitting element;

[0014] Among them, the step of determining a plurality of the first partitions corresponding to the grayscale information or the thickness information according to the grayscale information or the thickness information includes:

[0015] Determine a corresponding plurality of the first partitions according to the distribution of a plurality of regions corresponding to the plurality of grayscale values in the light-emitting element.

[0016] In some embodiments, the step of determining a corresponding plurality of the first partitions according to the distribution of a plurality of regions corresponding to the plurality of grayscale values in the light-emitting element includes:

[0017] Obtain a plurality of grayscale intervals, and divide at least one region corresponding to at least one grayscale value in the same grayscale interval into the same first partition, and the first partition corresponds to the grayscale interval one by one.

[0018] In some embodiments, the step of obtaining the grayscale information or the thickness information of the light-emitting element as the first parameter information includes:

[0019] Obtain the thickness information of the light-emitting element as the first parameter information, where the thickness information includes different thickness values of different regions in the light-emitting element;

[0020] Among them, the step of determining a plurality of the first partitions corresponding to the grayscale information or the thickness information according to the grayscale information or the thickness information includes:

[0021] Determine a corresponding plurality of the first partitions according to the distribution of a plurality of regions corresponding to the plurality of thickness values in the light-emitting element.

[0022] In some embodiments, the step of determining a corresponding plurality of the first partitions according to the distribution of a plurality of regions corresponding to the plurality of thickness values in the light-emitting element includes:

[0023] Obtain a plurality of thickness intervals, and divide at least one region corresponding to at least one thickness value in the same thickness interval into the same first partition, and the first partition corresponds to the thickness interval one by one.

[0024] In some embodiments, the second sub-parameter information includes at least one of corresponding brightness information, color deviation information, and spectral information, and the optical simulation diagram includes at least one of a spectral diagram, an image brightness curve, and a chromaticity curve.

[0025] In some embodiments, the step of obtaining the weight corresponding to each of the first partitions includes:

[0026] Obtaining the proportion of the area of each of the first partitions in the area of the light-emitting element as the corresponding weight.

[0027] In some embodiments, the step of obtaining the weight corresponding to each of the first partitions includes:

[0028] Determining a plurality of second partitions of the light-emitting element according to one of the grayscale information and the thickness information, and determining the plurality of first partitions by the other of the grayscale information and the thickness information;

[0029] Obtaining the proportion of the area of each of the second partitions in the area of the light-emitting element as the corresponding weight.

[0030] In some embodiments, the step of determining the third parameter information according to the plurality of weights and the corresponding plurality of second sub-parameter information includes:

[0031] Obtaining the grayscale information, where the grayscale information includes different grayscale values of different regions in the light-emitting element;

[0032] Determining the grayscale parameter of the first partition according to the positional relationship between each of the first partitions and the plurality of regions;

[0033] Determining the third parameter information according to the plurality of grayscale parameters, the plurality of weights, and the corresponding plurality of second sub-parameter information.

[0034] In some embodiments, before the step of determining the plurality of first partitions of the light-emitting element according to the first parameter information of the light-emitting element, it includes:

[0035] Obtaining the fourth parameter information of the light-emitting element and adjusting the fourth parameter information so that the fifth parameter information of the light-emitting element is within a first preset range;

[0036] Wherein, after the step of determining the plurality of first partitions of the light-emitting element according to the first parameter information of the light-emitting element, it includes:

[0037] Modifying the corresponding information in the fourth parameter information according to the sixth parameter information of the first partition to obtain the seventh parameter information.

[0038] In some embodiments, after the step of adjusting the corresponding information in the fourth parameter information according to the sixth parameter information of the first partition to obtain the seventh parameter information, it includes:

[0039] Adjust the seventh parameter information of the light-emitting element so that the third parameter information of the light-emitting element is within a second preset range.

[0040] In some embodiments, after the step of adjusting the seventh parameter information of the light-emitting element so that the third parameter information of the light-emitting element is within a second preset range, it includes:

[0041] Adjust the seventh parameter information of a plurality of the light-emitting elements with different colors so that the eighth parameter information of a light-emitting unit formed by the plurality of the light-emitting elements with different colors is within a third preset range.

[0042] The present invention also provides an optical simulation device for executing program instructions to implement the optical simulation method as described in any one of the above.

[0043] The present invention provides an optical simulation method and its device. The method determines a plurality of first partitions of the light-emitting element according to the first parameter information of the light-emitting element, then calculates the third parameter information of the light-emitting element according to a plurality of second sub-parameter information corresponding to the plurality of first partitions and a plurality of weights, and draws an optical simulation diagram of the light-emitting element according to the third parameter information, so that the determination of the third parameter information takes into account the plurality of first partitions with parameter differences in the light-emitting element, and comprehensive calculations are performed on different characteristics of different first partitions, so that the simulated third parameter information can more accurately present the characteristics of the light-emitting element, improve the reliability of the simulation of the light-emitting element, and is more conducive to forming a display panel that meets the requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] The present invention will be further described below with reference to the drawings. It should be noted that the drawings in the following description are only used to explain some embodiments of the present invention, and those skilled in the art can obtain other drawings according to these drawings without creative efforts.

[0045] Figures 1 to 3 、 Figure 6 、 Figures 9 to 10 are respectively flowcharts of the optical simulation method provided by the embodiments of the present invention.

[0046] Figure 4 is a color image presented when the light-emitting element emits light.

[0047] Figure 5 is Figure 4 the converted grayscale image.

[0048] Figure 7 is a schematic diagram of the partition of the light-emitting element based on the thickness information.

[0049] Figure 8 Graph of the thickness value - number of preset units for different partitions. Detailed implementation

[0050] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present invention.

[0051] In the description of the present invention, terms such as "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined with "first", "second" may explicitly or implicitly include one or more of the described features. Additionally, it should be noted that the accompanying drawings only provide structures that are relatively closely related to the present invention, and some details that are not closely related to the invention are omitted. The purpose is to simplify the drawings and make the inventive points clear at a glance, rather than indicating that the actual device is exactly the same as the attached Figure 1 mold, and it is not set as a limitation of the actual device.

[0052] Referring to "embodiments" herein means that specific features, structures, or characteristics described in connection with the embodiments may be included in at least one embodiment of the present invention. The appearance of this phrase at various positions in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0053] The present invention provides an optical simulation method, which is applied to a light-emitting element. The method may include, but is not limited to, the following embodiments and combinations of the following embodiments.

[0054] In one embodiment, as Figure 1 shown, the optical simulation method may include, but is not limited to, the following steps and combinations of the following steps.

[0055] S1. Determine a plurality of first partitions of the light-emitting element according to the first parameter information of the light-emitting element.

[0056] Among them, the light-emitting element may be, but is not limited to, an OLED or an LED (Light-Emitting Diode). A plurality of light-emitting elements may be used as a plurality of sub-pixels to form a display panel, and emit light under the control of the driving circuit of the display panel to display an image.

[0057] In order to better manufacture a display panel, before manufacturing, the light-emitting situation of the light-emitting element can be simulated and debugged by means of optical simulation to determine appropriate parameters, so as to manufacture a display panel that meets the requirements.

[0058] Specifically, in this embodiment, considering that during the manufacturing process of the same light-emitting element, due to factors such as process and environment, the values of the same parameter in different regions of the light-emitting element are different. Therefore, the light-emitting element is partitioned according to the first parameter information of the same light-emitting element, and a plurality of first partitions are obtained. Specifically, the light-emitting element can be divided according to a preset unit, and the first parameter information can include a plurality of first sub-parameter information corresponding to a plurality of preset units. Step S1 can be understood as dividing a plurality of preset units of the light-emitting element into a plurality of first partitions according to the distribution of the plurality of first sub-parameter information. The plurality of first sub-parameter information corresponding to the plurality of preset units in each partition can meet the same requirement.

[0059] It should be noted that the specific content of this requirement is not limited in this embodiment, aiming to show that this optical simulation method needs to determine a plurality of first partitions of the light-emitting element according to the first parameter information, rather than treating the whole as one region.

[0060] S2. Obtain the second sub-parameter information corresponding to each of the first partitions and the corresponding weights, and calculate the third parameter information of the light-emitting element according to the plurality of weights and the plurality of second sub-parameter information.

[0061] On the basis of step S1, since a plurality of first partitions have been divided, each first partition can also have corresponding second sub-parameter information. The second sub-parameter information can be considered to characterize certain attributes of the first partition. The weight of each first partition can be positively correlated with the area ratio of the first partition in the light-emitting element.

[0062] Specifically, the second sub-parameter information of each first partition can be multiplied by the corresponding weight, and then the above products corresponding to the plurality of first partitions are accumulated to obtain the third parameter information corresponding to the entire light-emitting element. That is, in this embodiment, it is also considered that the area ratio of different thickness values or different gray-scale values in the light-emitting element is taken into account, and the weight is also substituted into the calculation, further improving the reliability of the simulation of the light-emitting element and being more conducive to forming a display panel that meets the requirements.

[0063] That is, the third parameter information in this embodiment is not determined according to the overall parameter information of the light-emitting element, but the light-emitting element is divided into a plurality of first partitions according to the first parameter information, and the second sub-parameter information of each first partition is comprehensively considered, and then the third parameter information of the entire light-emitting element is determined.

[0064] It can be understood that the determination of the third parameter information in this embodiment takes into account multiple first partitions with parameter differences in the light-emitting element, and comprehensively calculates the different characteristics of different first partitions, so that the simulated third parameter information can more accurately present the characteristics of the light-emitting element, improve the reliability of the simulation of the light-emitting element, and is more conducive to forming a display panel that meets the requirements.

[0065] In particular, for an OLED display panel with an OLED as the light-emitting element, the first parameter information in the optical simulation method of this embodiment and the multiple first partitions divided according to it can be considered to be related to the thickness of the light-emitting element (i.e., OLED) in the OLED display panel. This thickness can be close to the thickness of the finished OLED display panel, so that the determined third parameter information is also related to the thickness of the light-emitting element, and is more in line with the parameter situation of the actual finished OLED display panel, and can achieve the goal of accurately guiding the experimental design.

[0066] S3. Draw an optical simulation diagram of the light-emitting element according to the third parameter information.

[0067] Wherein, the second sub-parameter information includes at least one of the corresponding brightness information, color deviation information, and spectral information, and the optical simulation diagram includes at least one of a spectrogram, an image brightness curve, and a chromaticity curve.

[0068] Among them, the brightness information may include multiple viewing angle values and corresponding multiple brightness values. A viewing angle of 0 means viewing the first partition vertically, that is, the brightness information may include the brightness values of the light seen when viewing the first partition at different viewing angles. The color deviation information may include multiple viewing angle values and corresponding multiple color deviation values. The color deviation value may be the difference between the color seen when viewing the first partition at the corresponding viewing angle and the color seen when viewing the first partition at a 0-degree viewing angle. The spectral information may include the intensities corresponding to light of multiple wavelengths at a 0-degree viewing angle.

[0069] Combined with the above discussion, since the light-emitting element is partitioned, each first partition can have corresponding second sub-parameter information, that is, each first partition can have at least one of corresponding brightness information, color deviation information, and spectral information. It should be noted that the specific content of the second sub-parameter information of different first partitions obtained in this embodiment is the same, that is, different second sub-parameter information is all brightness information, or all color deviation information, or all spectral information, or two or all of the above three.

[0070] Among them, the weight of each first partition can be positively correlated with the area ratio of the first partition in the light-emitting element.

[0071] Among them, in this embodiment, an optical simulation diagram of the light-emitting element is drawn according to the third parameter information, that is, the optical simulation diagram can represent the optical information of the light-emitting element, and the essence of the optical simulation diagram can include at least one of a spectral diagram of the light-emitting element, an image brightness curve, and a chromaticity curve.

[0072] Combined with the above discussion, it can be known that through step S1 and step S2, the third parameter information related to the thickness of the light-emitting element in the finished display panel can be obtained, and the third parameter information can represent the optical information of the light-emitting element. Therefore, the optical simulation diagram of the light-emitting element in this embodiment is more in line with the light-emitting situation of the light-emitting element in the corresponding finished display panel. Using this simulation result to debug the parameters of the light-emitting element is more conducive to forming a display panel that meets the requirements.

[0073] Specifically, after obtaining the optical simulation diagram, the relevant parameters of the light-emitting element can be adjusted according to the difference between the optical simulation diagram and the target diagram (corresponding to the spectral diagram, image brightness curve, chromaticity curve or others of the optical simulation diagram) until the optical simulation diagram and the target diagram tend to be consistent, so as to determine the corresponding relevant parameters, which play a guiding role in the later production of the display panel.

[0074] In some embodiments, as Figure 2 shown, the above step S1 may include but is not limited to the following steps and combinations of the following steps.

[0075] S11, obtaining the gray scale information or thickness information of the light-emitting element as the first parameter information.

[0076] Among them, the gray scale information may be the gray scale value information when the light-emitting element emits light. For example, when the light-emitting element emits light, a corresponding image may be presented, and the gray scale value information may include multiple gray scale values corresponding to multiple preset units in the light-emitting element. Among them, the thickness information has nothing to do with whether the light-emitting element emits light, and the thickness information may include multiple thickness values corresponding to multiple preset units in the light-emitting element.

[0077] It should be noted that the reason for the difference in the gray scale values of different preset units when the light-emitting element emits light is at least caused by the thickness difference of the preset unit, that is, whether the gray scale information or the thickness information is used as the first parameter information of the light-emitting element, the thickness distribution situation in the light-emitting element can be represented.

[0078] S12, determining a plurality of the first partitions corresponding to the gray scale information or the thickness information according to the gray scale information or the thickness information.

[0079] As described above, the multiple first partitions in this embodiment can be determined according to the gray-scale value distribution or the physical thickness value distribution when the light-emitting element emits light, rather than being randomly divided or treating the entire light-emitting element as a single region. For example, multiple preset units with close gray-scale values in the light-emitting element can be divided into the same first partition, or multiple preset units with close thickness values in the light-emitting element can be divided into the same first partition.

[0080] In some embodiments, as Figure 3 shown, step S11 may include but is not limited to the following steps:

[0081] S111, control the light-emitting element to emit light, and obtain the corresponding gray-scale information as the first parameter information when the light-emitting element emits light, where the gray-scale information includes different gray-scale values of different regions in the light-emitting element.

[0082] As described above, this light-emitting element is used as a sub-pixel in the display panel, and the material parameters of this light-emitting element are also selected as the corresponding light-emitting material during the optical simulation process. Therefore, it can be considered that theoretically the light-emitting element emits monochromatic light to present a pure-color image. However, since the light-emitting elements in the finished display panel are generally formed by, but not limited to, the IJP process, there are differences in the thickness of different regions in the light-emitting element, resulting in differences in the gray-scale values of different regions when the light-emitting element emits light, rather than the same gray-scale value everywhere theoretically. Each of the different regions in the light-emitting element in step S111 can be understood as the preset unit described above, and the size of the preset unit is not limited and can be set according to the accuracy requirements.

[0083] Specifically, for example, when the light-emitting element emits red light (i.e., serves as the red sub-pixel of the display panel), there are differences in the degree of red in different regions when the light-emitting element emits light. For example, when the light-emitting element emits green light (i.e., serves as the green sub-pixel of the display panel), there are differences in the degree of green in different regions when the light-emitting element emits light. For example, when the light-emitting element emits blue light (i.e., serves as the blue sub-pixel of the display panel), there are differences in the degree of blue in different regions when the light-emitting element emits light.

[0084] As Figure 4 shown, it is a color image presented by the light-emitting element when it emits light under a microscope. Since this image is magnified by the microscope, environmental factors may also affect the color of this color image, resulting in, for example, parts of other colors that deviate from blue or do not belong to the green category in the image of the light-emitting element that serves as the green sub-pixel when it emits light. In this regard, this color image can be converted into as Figure 5The grayscale image shown, that is, the color difference is eliminated, and only the difference in grayscale values (brightness) is retained. The grayscale value in step S111 can be considered to be determined according to the grayscale image corresponding to the color image when the light-emitting element emits light.

[0085] Continuing from step S111, as Figure 3 shown, step S12 may include but is not limited to the following steps:

[0086] S121, according to the distribution of the multiple regions corresponding to the multiple grayscale values in the light-emitting element, determine the corresponding multiple first partitions.

[0087] As discussed above, through step S111, the distribution of grayscale values when the light-emitting element emits light can be obtained, that is, the bright-dark distribution in the grayscale image shown as Figure 5 shown. From this, the distribution of regions with similar brightness when the light-emitting element emits light can be roughly seen, and then the regions with similar brightness can be divided into the same first partition. For example, the brighter (higher grayscale value) regions can be divided into one first partition, and the darker (lower grayscale value) regions can be divided into another first partition. Further, the brightness can also be divided into more levels to determine more first partitions.

[0088] In some embodiments, step S121 may include but is not limited to the following steps:

[0089] S1210, obtain multiple grayscale intervals, and divide at least one region corresponding to at least one grayscale value in the same grayscale interval into the same first partition, and the first partition corresponds to the grayscale interval one by one.

[0090] Among them, the multiple grayscale intervals can be determined according to the maximum and minimum values of the multiple grayscale values in the grayscale information. The lower limit value of the smallest grayscale interval can be less than or equal to the minimum value of the multiple grayscale values, and the upper limit value of the largest grayscale interval can be greater than or equal to the maximum value of the multiple grayscale values. Further, in order to eliminate the influence of the length of the grayscale interval on the number of preset units corresponding to different grayscale intervals, the lengths of the multiple grayscale intervals can be set to be the same. In this way, the size difference of different first partitions can be basically considered to be determined by the magnitudes of the multiple grayscale values.

[0091] Specifically, if the minimum value among multiple grayscale values is close to 10, as shown in Table 1, 10 can be used as the starting point, and at least six first partitions (Partition 1 to Partition 6) can be set according to the same length of the grayscale interval (for example, 10). Of course, if there are also grayscale values greater than 70 and with a large difference from 70, the number of grayscale intervals can also be set to be more, and the corresponding number of first partitions will also be more. The proportion in Table 1 can be understood as the area proportion of the corresponding first partition in the light-emitting element. The larger this value is, the larger the area of the region corresponding to this grayscale value in the corresponding grayscale image. Combining the above discussion, it can be seen that the area proportion of this thickness is also larger.

[0092] Table 1

[0093] Partition Gray scale interval Proportion 1 11～20 4.62％ 2 21～30 4.90％ 3 31～40 8.13％ 4 41～50 19.05％ 5 51～60 43.89％ 6 61～70 19.42％ ··· ··· ···

[0094] In some embodiments, as Figure 6 shown, step S11 may include but is not limited to the following steps:

[0095] S112, obtaining the thickness information of the light-emitting element as the first parameter information, where the thickness information includes different thickness values of different regions in the light-emitting element.

[0096] Combining the above discussion, it can be seen that the thickness information has nothing to do with whether the light-emitting element emits light. The thickness information may include multiple thickness values corresponding to multiple preset units in the light-emitting element. Specifically, during the optical simulation process, multiple thickness values of multiple regions of the light-emitting element can be set according to the thickness distribution of the light-emitting element in the finished display panel, and the thickness value distribution of the two is the same.

[0097] Following step S112, as Figure 6 shown, step S12 may include but is not limited to the following steps:

[0098] S122, determining corresponding multiple first partitions according to the distribution of multiple regions corresponding to multiple thickness values in the light-emitting element.

[0099] As discussed above, through step S112, the thickness value distribution of the light-emitting element when it emits light can be obtained. From this, the distribution of regions with similar thickness in the light-emitting element can be roughly seen. Furthermore, regions with similar thickness can be divided into the same first partition. For example, thicker regions can be divided into one first partition, and thinner regions can be divided into another first partition. Further, the thickness can also be divided into more levels to determine more first partitions.

[0100] In some embodiments, step S122 may include but is not limited to the following steps:

[0101] S1220. Obtain multiple thickness intervals, and divide at least one region corresponding to at least one thickness value within the same thickness interval into the same first partition, where the first partitions correspond one-to-one to the thickness intervals.

[0102] Similarly, the multiple thickness intervals can be determined based on the maximum and minimum values among the multiple thickness values in the thickness information. The lower limit value of the smallest thickness interval can be less than or equal to the minimum value among the multiple thickness values, and the upper limit value of the largest thickness interval can be greater than or equal to the maximum value among the multiple thickness values. Further, to reduce the influence of the length of the thickness gray-scale interval on the number of preset units corresponding to different thickness intervals, the lengths of the multiple thickness intervals can be set to be the same. In this way, the size differences of different first partitions can be basically considered to be determined by the magnitudes of the multiple thickness values.

[0103] As Figure 7 shown, the parts with the same color can be understood as the parts of the light-emitting element that belong to the same thickness interval (i.e., the same first partition). As discussed above, the reason for the difference in the gray-scale values of different preset units when the light-emitting element emits light is at least caused by the thickness difference of the preset unit. When other factors causing the difference in gray-scale values are few, it can be considered that the number of thickness intervals is close to the number of gray-scale intervals, and the positions and numbers of the preset units corresponding to each thickness interval can be close to the positions and numbers of the preset units corresponding to the corresponding gray-scale interval. That is, Figure 7 the number of color types (for example, 6) can be equal to the number of partitions in Table 1, Figure 7 and the color distribution (for example, the distribution corresponding to partition 1' to partition 6') can be close to the distribution of partitions 1 to 6 in the light-emitting element in Table 1.

[0104] However, as discussed above, the difference in the gray-scale values of different preset units when the light-emitting element emits light is also caused by differences in other factors besides thickness. Therefore, as shown in Table 2, for the same first partition, it can be the partition i obtained by using the above steps S111 to S121 (or further including step S1210), or it can be the partition i' obtained by using the above steps S112 to S122 (or further including step S1220). There are some differences (size and / or position differences) between partition i and the corresponding partition i'. i can be at least an integer from 1 to 6.

[0105] Among them, only the case where there is a position difference between partition i and the corresponding partition i' in Table 2 is used as an example for illustration. The "gray scale coordinate" can be the coordinate position of the middle area in partition i or the area close to the y direction in partition i. Correspondingly, the "total thickness coordinate" can be the coordinate position of the middle area in partition i' or the area close to the y direction in partition i'. The first to third columns in the "single-layer thickness" can respectively represent the thicknesses of three film layers made of different materials in the light-emitting element. Since the three film layers are all divided according to the above-mentioned multiple first partitions, it can be considered that the thickness change trends of each film layer are consistent, and are consistent with the total thickness change trend of the light-emitting element.

[0106] Table 2

[0107]

[0108] Specifically, as Figure 8 shown, the abscissa of this curve graph represents the thickness value, and the ordinate represents the number of preset units equal to this thickness value. The curves of different colors respectively correspond to the above-mentioned partitions 1 to 6. For each curve corresponding to each of the partitions 1 to 6 divided according to the above-mentioned multiple gray scale values, it can be considered that the thickness interval corresponding to the range where the number of preset units is relatively large is the corresponding partition 1' to 6'.

[0109] As indeed described above, the difference in the gray scale values of different preset units when the light-emitting element emits light is also caused by differences in other factors besides the thickness. Therefore Figure 8 in the curve corresponding to partition i in , when the thickness value does not belong to the corresponding thickness interval, the "number of preset units" is still greater than 0, that is, in partition i divided according to the above-mentioned multiple gray scale values, there are also other areas where the thickness value does not belong to partition 1'.

[0110] Of course, it can also be considered that in partition i' divided according to the above-mentioned multiple thickness values, there may also be other areas where the thickness value does not belong to partition 1.

[0111] S22. Determine the third parameter information according to the multiple weights and the corresponding multiple second sub-parameter information.

[0112] Specifically, the second sub-parameter information of each first partition can be multiplied by the corresponding weight, and then the above-mentioned products corresponding to the multiple first partitions are accumulated to obtain the third parameter information corresponding to the entire light-emitting element. That is, in this embodiment, the area ratio occupied by different thickness values or different gray scale values in the light-emitting element is also considered, and the weight is also substituted into the calculation, further improving the reliability of the simulation of the light-emitting element and being more conducive to forming a display panel that meets the requirements.

[0113] In some embodiments, the step of "obtaining the weight corresponding to each of the first partitions" in step S21 includes, but is not limited to, the following steps:

[0114] S211, obtaining the proportion of the area of each of the first partitions in the area of the light-emitting element as the corresponding weight.

[0115] Specifically, in this embodiment, the proportion of the area of the first partition in the area of the light-emitting element is directly used as the corresponding weight. Since the multiple first partitions are previously obtained by dividing according to the grayscale information or thickness information, it can be considered that the multiple weights at this time are related to the grayscale information or thickness information for determining the multiple first partitions before.

[0116] Combined with the above discussion, it can be seen that the source of the second sub-parameter information and the source of the weight in this embodiment are both the grayscale information or thickness information. In this way, only by obtaining the grayscale information or thickness information of the light-emitting element can the third parameter information of the light-emitting element be determined.

[0117] In some embodiments, as Figure 9 shown, the step of "obtaining the weight corresponding to each of the first partitions" in step S21 includes, but is not limited to, the following steps and combinations of the following steps:

[0118] S212, determining multiple second partitions of the light-emitting element according to one of the grayscale information and the thickness information, and the multiple first partitions are determined by the other of the grayscale information and the thickness information;

[0119] S213, obtaining the proportion of the area of each of the second partitions in the area of the light-emitting element as the corresponding weight.

[0120] Comparing with the previous embodiment, in this embodiment, on the premise that the first partitions are previously determined according to one of the grayscale information and the thickness information, the second partitions are then determined according to the other of the grayscale information and the thickness information. That is to say, the basis for dividing the second partitions in this embodiment is different from that of the first partitions. That is, the multiple second sub-parameter information is determined according to one of the grayscale distribution and thickness distribution of the light-emitting element, and the multiple weights are determined according to the other of the grayscale distribution and thickness distribution of the light-emitting element.

[0121] Among them, the method for determining the second partitions can refer to the method for determining the first partitions according to the grayscale information or thickness information above.

[0122] Specifically, here, it is illustrated by taking the first partition (corresponding to the second sub-parameter information) determined according to the thickness information and the second partition (corresponding to the weight information) determined according to the grayscale information as an example. As shown in Table 3, the light-emitting elements can be divided into at least the first partitions including Partition 1' to Partition 6' according to the grayscale information, and the second sub-parameter information of each first partition is obtained. Or as shown in Table 1, the light-emitting elements can be divided into at least the second partitions including Partition 1 to Partition 6 according to the grayscale information, and the area ratio of each second partition in the light-emitting element is obtained as the weight corresponding to the first partition.

[0123] Table 3

[0124]

[0125] In some embodiments, as Figure 10 shown, step S22 includes but is not limited to the following steps and combinations of the following steps:

[0126] S221, obtaining the grayscale information, where the grayscale information includes different grayscale values of different regions in the light-emitting element;

[0127] S222, determining the grayscale parameter of the first partition according to the positional relationship between each first partition and the multiple regions;

[0128] S223, determining the third parameter information according to the multiple grayscale parameters, the multiple weights, and the corresponding multiple second sub-parameter information.

[0129] Combined with the above discussion, it can be seen that the optical simulation method provided by the present invention partitions the light-emitting element based on at least one of the grayscale information and the thickness information of the light-emitting element (including the first partition, or including the first partition and the second partition), and calculates the third parameter information based on the characteristics of the above partitions (including the second sub-parameter information, or including the second sub-parameter information and the weight).

[0130] Furthermore, in this embodiment, it is necessary to obtain the grayscale information and determine the grayscale parameter corresponding to each first partition according to the grayscale information. The grayscale parameter can be the average value, median, mode of the multiple grayscale values corresponding to multiple preset units (i.e., the "regions" in step S222) in the first partition, or the intermediate value of the corresponding grayscale interval. It can be considered that the grayscale parameter can characterize the grayscale value of the first partition.

[0131] Specifically, in this embodiment, the second sub-parameter information, the corresponding weight, and the corresponding gray-scale parameter of each first partition can be multiplied, and the above products corresponding to multiple first partitions are accumulated to obtain the third parameter information corresponding to the entire light-emitting element. That is, in this embodiment, on the above basis, the difference in gray-scale values within different first partitions is further considered (the gray-scale value of each first partition can be positively correlated with the current value in this area), and the gray-scale parameter is also substituted into the calculation, further improving the reliability of the simulation of the light-emitting element and being more conducive to forming a display panel that meets the requirements.

[0132] In some embodiments, before the above step S1, it includes but is not limited to the following steps:

[0133] S01, obtain the fourth parameter information of the light-emitting element, and adjust the fourth parameter information so that the fifth parameter information of the light-emitting element is within a first preset range;

[0134] Among them, the fourth parameter information can include but is not limited to the refractive index, extinction coefficient, thickness, photoluminescence spectrum, position of the recombination region, dipole direction of the material of the light-emitting element. The position of the recombination region can be the position where electrons and holes in the light-emitting element recombine to form photons, and the dipole direction can be the straight-line direction from the negative charge to the positive charge. The fifth parameter information can include but is not limited to the electron spectrum of the light-emitting element.

[0135] Specifically, the specific content of each of the fourth parameter information can affect the fifth parameter information of the light-emitting element. Therefore, the fifth parameter information can be adjusted by adjusting at least one of the fourth parameter information until the fifth parameter information is within the first preset range, and the first preset range can be the ideal range of the electron spectrum of the light-emitting element.

[0136] After the above step S1, it includes but is not limited to the following steps:

[0137] S02, modify the corresponding information in the fourth parameter information according to the sixth parameter information of the first partition to obtain the seventh parameter information.

[0138] Among them, the sixth parameter information can include but is not limited to the thickness information of this first partition. According to the multiple thickness information corresponding to multiple partitions, the current comprehensive thickness information of the light-emitting element can be obtained. Therefore, the seventh parameter information obtained by adjusting the corresponding thickness information in the previous fourth parameter information also includes the above-mentioned "comprehensive thickness information".

[0139] In some embodiments, after the above step S02, it includes but is not limited to the following steps:

[0140] S03, adjust the seventh parameter information of the light-emitting element so that the third parameter information of the light-emitting element is within a second preset range.

[0141] As described above, the optical simulation diagram of the light-emitting element is drawn based on the third parameter information, and the essence of the optical simulation diagram may include at least one of the spectral diagram of the light-emitting element emitting light, the image brightness curve, and the chromaticity curve. Therefore, the second preset range here may be the ideal range of at least one of the spectral diagram of the light-emitting element emitting light (which may be an electronic spectrum), the image brightness curve, and the chromaticity curve. That is, at least one of the seventh parameter information can be adjusted to adjust the third parameter information until the third parameter information can be within its ideal range.

[0142] In some embodiments, after the above S03 step, it includes but is not limited to the following steps:

[0143] S04, adjusting the multiple seventh parameter information of the multiple light-emitting elements with different colors so that the eighth parameter information of the light-emitting unit composed of the multiple light-emitting elements with different colors is within the third preset range.

[0144] It can be understood that in a display panel, a pixel unit needs to be composed of multiple light-emitting elements with different colors, and the light-emitting unit in the simulation process in this embodiment can be understood as corresponding to the pixel unit of the display panel. In this embodiment, at least one of the seventh parameter information of the light-emitting elements of at least one color in the light-emitting unit is adjusted to adjust the eighth parameter information corresponding to the light-emitting unit. The eighth parameter information can be understood as including at least one of the spectral diagram (which may be an electronic spectrum), the image brightness curve, and the chromaticity curve of the adjusted light-emitting unit. Correspondingly, the third preset range is also the ideal range of at least one of the spectral diagram (which may be an electronic spectrum), the image brightness curve, and the chromaticity curve of the light-emitting unit.

[0145] The present invention also provides an optical simulation device for executing program instructions to implement the optical simulation method as described above in any one of the preceding paragraphs.

[0146] The above has introduced in detail the optical simulation method and its device provided by the embodiments of the present invention. Specific examples are used in this article to elaborate on the principle and implementation manner of the present invention. The description of the above embodiments is only used to help understand the technical solution and its core idea of the present invention; those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An optical simulation method, characterized in that: Applied to light-emitting components, including: Determining a plurality of first partitions of the light emitting element according to the first parameter information of the light emitting element; Acquire the second sub-parameter information and the corresponding weight corresponding to each of the first partitions, and calculate the third parameter information of the light-emitting element according to a plurality of the weights and a plurality of the second sub-parameter information; An optical simulation diagram of the light-emitting element is drawn according to the third parameter information.

2. The optical simulation method according to claim 1, characterized in that: The step of determining a plurality of first partitions of the light-emitting element according to the first parameter information of the light-emitting element comprises: Acquiring grayscale information or thickness information of the light-emitting element as the first parameter information; According to the grayscale information or the thickness information, a plurality of first partitions corresponding to the grayscale information or the thickness information are determined.

3. The optical simulation method according to claim 2, characterized in that: The step of obtaining the grayscale information or thickness information of the light emitting element as the first parameter information includes: Controlling the light-emitting element to emit light, and acquiring the corresponding grayscale information as the first parameter information when the light-emitting element emits light, wherein the grayscale information includes different grayscale values ​​of different areas in the light-emitting element; Wherein, the step of determining a plurality of first partitions corresponding to the grayscale information or the thickness information according to the grayscale information or the thickness information comprises: According to the distribution of the plurality of regions corresponding to the plurality of grayscale values ​​in the light-emitting element, the corresponding plurality of first partitions are determined.

4. The optical simulation method according to claim 3, characterized in that: The step of determining the corresponding plurality of first partitions according to the distribution of the plurality of regions corresponding to the plurality of grayscale values ​​in the light-emitting element comprises: A plurality of grayscale intervals are obtained, and at least one of the regions corresponding to at least one of the grayscale values ​​in the same grayscale interval is divided into the same first partition, wherein the first partition corresponds to the grayscale interval in a one-to-one manner.

5. The optical simulation method according to claim 2, characterized in that: The step of obtaining the grayscale information or thickness information of the light emitting element as the first parameter information includes: Acquire the thickness information of the light emitting element as the first parameter information, wherein the thickness information includes different thickness values ​​of different regions in the light emitting element; Wherein, the step of determining a plurality of first partitions corresponding to the grayscale information or the thickness information according to the grayscale information or the thickness information comprises: According to the distribution of the plurality of regions corresponding to the plurality of thickness values ​​in the light-emitting element, the corresponding plurality of first partitions are determined.

6. The optical simulation method according to claim 5, characterized in that: The step of determining the corresponding plurality of first subareas according to the distribution of the plurality of regions corresponding to the plurality of thickness values ​​in the light-emitting element comprises: A plurality of thickness intervals are obtained, and at least one of the regions corresponding to at least one of the thickness values ​​in the same thickness interval is divided into the same first partition, and the first partition corresponds to the thickness interval in a one-to-one manner.

7. The optical simulation method according to any one of claims 2 to 6, characterized in that: The second sub-parameter information includes at least one of corresponding brightness information, color shift information, and spectrum information, and the optical simulation graph includes at least one of a spectrum graph, an image brightness curve, and a chromaticity curve.

8. The optical simulation method according to any one of claims 2 to 6, characterized in that: The step of obtaining the weight corresponding to each of the first partitions includes: The proportion of the area of ​​each first subarea in the area of ​​the light emitting element is obtained as the corresponding weight.

9. The optical simulation method according to any one of claims 2 to 6, characterized in that: The step of obtaining the weight corresponding to each of the first partitions includes: Determine a plurality of second subareas of the light emitting element according to one of the grayscale information and the thickness information, wherein the plurality of first subareas are determined by the other of the grayscale information and the thickness information; The proportion of the area of ​​each second subarea in the area of ​​the light emitting element is obtained as the corresponding weight.

10. The optical simulation method according to any one of claims 2 to 6, characterized in that: The step of calculating the third parameter information according to the plurality of weights and the corresponding plurality of the second sub-parameter information comprises: Acquire the grayscale information, where the grayscale information includes different grayscale values ​​of different areas in the light-emitting element; Determining a grayscale parameter of the first partition according to a positional relationship between each of the first partitions and the plurality of regions; The third parameter information is determined according to the plurality of grayscale parameters, the plurality of weights and the corresponding plurality of the second sub-parameter information.

11. The optical simulation method according to any one of claims 1 to 6, characterized in that: Before the step of determining a plurality of first partitions of the light emitting element according to the first parameter information of the light emitting element, the method further comprises: Acquire fourth parameter information of the light-emitting element, and adjust the fourth parameter information so that fifth parameter information of the light-emitting element is within a first preset range; Wherein, after the step of determining a plurality of first partitions of the light-emitting element according to the first parameter information of the light-emitting element, the method further comprises: The corresponding information in the fourth parameter information is modified according to the sixth parameter information of the first partition to obtain the seventh parameter information.

12. The optical simulation method according to claim 11, characterized in that: After the step of adjusting the corresponding information in the fourth parameter information according to the sixth parameter information of the first partition to obtain the seventh parameter information, the method further comprises: The seventh parameter information of the light emitting element is adjusted so that the third parameter information of the light emitting element is within a second preset range.

13. The optical simulation method according to claim 12, wherein: After the step of adjusting the seventh parameter information of the light emitting element so that the third parameter information of the light emitting element is within a second preset range, the method further comprises: The seventh parameter information of the plurality of light-emitting elements of different colors is adjusted so that the eighth parameter information of the light-emitting unit formed by the plurality of light-emitting elements of different colors is within a third preset range.

14. An optical simulation device, characterized in that: Used to execute program instructions to implement the optical simulation method according to any one of claims 1 to 13.

Images