Color matching debugging method and system of display device

Abstract

The invention provides a color matching debugging method and system for a display device, and the method comprises the steps: selecting a plurality of first debugging results meeting a preset condition based on a preset gray scale node; on the basis of the plurality of first debugging results, real color tristimulus values corresponding to the gray scale nodes are obtained; and based on the true color tristimulus value and the target white light tristimulus value, according to any group of first debugging results, performing color matching debugging again to obtain a target red pixel voltage value, a target green pixel voltage value and a target blue pixel voltage value. Through the technical scheme provided by the invention, the influence of error factors such as voltage drop and OLED crosstalk on traditional color matching calculation can be eliminated, the accuracy of Gamma debugging and color matching debugging is greatly improved, meanwhile, the time of color matching debugging is shortened, and the method has a promotable value.

Description

Technical Field

[0001] This disclosure relates to the field of image display technology, and more specifically, to a color matching and adjustment method and system for a display device. Background Technology

[0002] During the Gamma adjustment process of the display screen, the existing algorithms based on difference or database retrieval are essentially all about the selection of initial values ​​in the initial stage. In most cases, they cannot directly meet the required screen display brightness and color standard specifications, and further color matching adjustments are still required.

[0003] In existing technologies, color matching and debugging methods require first measuring the color scales of the three primary RGB colors, then calculating the required brightness values ​​for each of the three primary RGB colors based on the target brightness of the white light to be debugged and the target color scale, and writing the corresponding driving voltages into the integrated control circuit of the display device. However, due to the influence of voltage drop on the display screen, the sum of the brightness of a single RGB color does not equal the corresponding brightness of the white light, resulting in low accuracy of the color matching algorithm executed by existing technologies, and requiring a long number of debugging attempts and debugging time. At the same time, due to the crosstalk of OLED display devices, when the display grayscale or display brightness is in a low range, the corresponding RGB color scale deviates from the fixed RGB color scale at 255 grayscale, which increases the difficulty, number of debugging attempts, and accuracy of color matching and debugging based on the fixed RGB color scale, and increases the debugging time. Summary of the Invention

[0004] To address the problems in the prior art, the purpose of this disclosure is to provide a color matching adjustment method and system for a display device. This method adaptively acquires the true color tristimulus values ​​at the current grayscale brightness level by utilizing previously appropriate white light adjustment information and corresponding color voltage information during Gamma adjustment, and obtains the required adjustment voltage based on these true color tristimulus values. Specifically, the first aspect of this disclosure provides a color matching adjustment method for a display device, which may include the following steps:

[0005] Based on preset grayscale nodes, select several first debugging results that meet preset conditions;

[0006] Based on several initial debugging results, the true color tristimulus values ​​corresponding to the grayscale nodes are obtained.

[0007] Based on the true color tristimulus values ​​and the target white light tristimulus values, color matching adjustments are re-executed according to any set of first adjustment results to obtain the target red pixel voltage value, the target green pixel voltage value, and the target blue pixel voltage value.

[0008] In one possible implementation of the first aspect described above, the display device is affected by a voltage drop.

[0009] The sum of the brightness of the red, green, and blue pixels on a display device is not equal to the corresponding white light brightness.

[0010] In one possible implementation of the first aspect above, when the display device displays a grayscale level lower than a first preset threshold and / or displays a brightness lower than a second preset threshold, the corresponding RGB color scale deviates from the fixed RGB color scale at 255 grayscale.

[0011] The lower the grayscale and / or brightness of the display, the greater the deviation of the corresponding RGB color scale from the fixed RGB color scale.

[0012] In one possible implementation of the first aspect described above, each first debugging result includes a red pixel voltage value, a green pixel voltage value, a blue pixel voltage value, and a corresponding white light tristimulus value.

[0013] In one possible implementation of the first aspect above, based on several first debugging results, the true color tristimulus values ​​corresponding to the grayscale nodes are obtained, including the following steps:

[0014] Four sets of initial debugging results are defined, and are represented by the following mathematical expressions:

[0015]

[0016]

[0017] Wherein, R1, G1, and B1 are the red pixel voltage value, green pixel voltage value, and blue pixel voltage value corresponding to the first debugging result of the first group, respectively. These are the white light tristimulation values ​​corresponding to the first adjustment results of the first group;

[0018] R2, G2, and B2 represent the red, green, and blue pixel voltage values, respectively, corresponding to the first debugging result in the second group. These are the white light tristimulation values ​​corresponding to the first adjustment result of the second group;

[0019] R3, G3, and B3 represent the red, green, and blue pixel voltage values, respectively, corresponding to the first debugging result in the third group. These are the white light tristimulation values ​​corresponding to the first debugging result of the third group;

[0020] R4, G4, and B4 represent the red, green, and blue pixel voltage values, respectively, corresponding to the first debugging result of the fourth group. These are the white light tristimulation values ​​corresponding to the first adjustment result of the fourth group;

[0021] Based on the color matching principle, obtain the linear relationship between the four sets of first debugging results and the grayscale nodes;

[0022] Based on the linear relationship, the true color tristimulus values ​​are obtained, which satisfy the following mathematical expression:

[0023]

[0024] Among them, X R Y R Z R X represents the true tristimulus value corresponding to the red pixel at the grayscale node. G Y G Z G X represents the true tristimulus value corresponding to the green pixel at the grayscale node. B Y B Z B These are the true tristimulus values ​​corresponding to the blue pixel at the grayscale node.

[0025] In one possible implementation of the first aspect above, the linear relationship satisfies the following mathematical expression:

[0026]

[0027]

[0028] In one possible implementation of the first aspect above, based on the true color tristimulus values ​​and the target white light tristimulus values, color matching adjustment is re-executed according to any set of first adjustment results, including the following steps:

[0029] Selecting the first set of debugging results, a corresponding mathematical expression is constructed based on the target white light tristimulus value, as shown below:

[0030]

[0031] in, These are the target white light tristimulation values;

[0032] Based on the mathematical expressions, the voltage values ​​of the target red pixel, target green pixel, and target blue pixel are obtained. These voltage values ​​satisfy the following formula:

[0033]

[0034] Among them, R n G n B n These are the target red pixel voltage value, the target green pixel voltage value, and the target blue pixel voltage value, respectively.

[0035] In one possible implementation of the first aspect mentioned above, this color matching adjustment method also includes:

[0036] Write the target red pixel voltage value, target green pixel voltage value, and target blue pixel voltage value into the integrated control circuit of the display device;

[0037] The integrated control circuit performs drive control based on the target red pixel voltage value, the target green pixel voltage value, and the target blue pixel voltage value.

[0038] In one possible implementation of the first aspect mentioned above, this color matching adjustment method also includes:

[0039] The target red pixel voltage value, target green pixel voltage value, target blue pixel voltage value, and the corresponding target white light tristimulus value are taken as a first set of debugging results.

[0040] A second aspect of this disclosure provides a color matching adjustment system for a display device, which may specifically include:

[0041] The acquisition unit is used to select several first debugging results that meet preset conditions based on preset grayscale nodes. Each first debugging result includes red pixel voltage value, green pixel voltage value, blue pixel voltage value and corresponding white light tristimulus value.

[0042] The calculation unit is used to obtain the true color tristimulus values ​​corresponding to the grayscale nodes based on several first debugging results;

[0043] The color matching adjustment unit is used to re-execute color matching adjustment based on the true color tristimulus values ​​and the target white light tristimulus values, according to any set of first adjustment results, in order to obtain the target red pixel voltage value, the target green pixel voltage value, and the target blue pixel voltage value.

[0044] Compared with the prior art, this disclosure has the following beneficial effects:

[0045] The technical solution provided in this disclosure eliminates the need for a fixed RGB color scale at 255 gray levels during Gamma adjustment, and also eliminates the need for pre-measuring the RGB color scale at the current gray level brightness. Instead, it utilizes previously appropriate white light adjustment information and corresponding color voltage information to adaptively obtain the true tristimulus values ​​for the current gray level brightness, and then uses these true tristimulus values ​​to determine the required adjustment voltage. This color matching adjustment method eliminates the impact of voltage drop and OLED crosstalk errors on traditional color matching calculations, significantly improving the accuracy of Gamma adjustment and color matching adjustment, while also shortening the time required for color matching adjustment. It has significant potential for widespread application. Attached Figure Description

[0046] Other features, objects, and advantages of this disclosure will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings.

[0047] Figure 1 Based on existing technology, a schematic diagram of debugging data corresponding to 19 grayscale nodes is provided.

[0048] Figure 2 According to an embodiment of this disclosure, another schematic diagram of debugging data corresponding to 19 grayscale nodes is provided.

[0049] Figure 3 According to an embodiment of this disclosure, a flowchart illustrating a color matching adjustment method for a display device is provided.

[0050] Figure 4 According to an embodiment of this disclosure, a flowchart is provided to obtain the true color tristimulus values ​​corresponding to grayscale nodes based on several first debugging results.

[0051] Figure 5 According to an embodiment of this disclosure, a schematic diagram of a process is provided in which color matching adjustment is re-executed based on any set of first adjustment results, using the true color tristimulus values ​​and the target white light tristimulus values.

[0052] Figure 6 According to an embodiment of this disclosure, a schematic diagram of four selected first debugging results is provided.

[0053] Figure 7 According to an embodiment of this disclosure, a schematic diagram of the structure of a color matching and adjustment system for a display device is provided. Detailed Implementation

[0054] The following specific examples illustrate the implementation of this disclosure. Those skilled in the art can easily understand other advantages and effects of this disclosure from the content disclosed herein. This disclosure can also be implemented or applied to systems through other different specific embodiments, and various details in this disclosure can also be modified or changed according to different viewpoints and application systems without departing from the spirit of this disclosure. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this disclosure can be combined with each other.

[0055] The embodiments of this disclosure will now be described in detail with reference to the accompanying drawings, so that those skilled in the art to which this disclosure pertains can readily implement it. This disclosure may be embodied in many different forms and is not limited to the embodiments described herein.

[0056] In this disclosure, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic represented in connection with that embodiment or example is included in at least one embodiment or example of this disclosure. Furthermore, the specific features, structures, materials, or characteristics represented may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples represented in this disclosure, as well as the features of those different embodiments or examples.

[0057] Furthermore, the terms "first" and "second" are used for illustrative purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the representation of this disclosure, "a plurality of" means two or more, unless otherwise expressly and specifically defined.

[0058] For the purpose of clarity, devices unrelated to the description are omitted, and the same or similar components throughout the specification are given the same reference numerals.

[0059] Throughout this specification, when it is said that a device is "connected" to another device, this includes not only "direct connection" but also "indirect connection" by placing other components in between. Furthermore, when it is said that a device "comprises" a certain constituent element, unless otherwise stated otherwise, this does not exclude other constituent elements, but rather implies that other constituent elements may be included.

[0060] When we say that a device is "above" another device, this can mean that it is directly above the other device, or it can mean that other devices are present in between. Conversely, when we say that a device is "directly" "above" another device, there are no other devices present in between.

[0061] Although the terms first, second, etc., are used in some instances herein to refer to various elements, these elements should not be limited by these terms. These terms are used only to distinguish one element from another. For example, first interface and second interface, etc., are used. Furthermore, as used herein, the singular forms “a,” “an,” and “the” are intended to also include the plural forms unless the context indicates otherwise. It should be further understood that the terms “comprising,” “including,” indicate the presence of features, steps, operations, elements, components, items, kinds, and / or groups, but do not exclude the presence, occurrence, or addition of one or more other features, steps, operations, elements, components, items, kinds, and / or groups. The terms “or” and “and / or” as used herein are interpreted as inclusive, or mean any one or any combination thereof. Thus, “A, B, or C” or “A, B, and / or C” means “any one of: A; B; C; A and B; A and C; B and C; A, B, and C.” Exceptions to this definition will only occur if the combination of elements, functions, steps, or operations is inherently mutually exclusive in some way.

[0062] The technical terms used herein are for reference only to specific embodiments and are not intended to limit the scope of this disclosure. The singular form used herein includes the plural form unless the statement explicitly indicates otherwise. The word "comprising" as used in this specification means to specify a particular characteristic, region, integer, step, operation, element, and / or component, and does not exclude the presence or addition of other characteristics, regions, integers, steps, operations, elements, and / or components.

[0063] Although not explicitly defined, all terms, including technical and scientific terms used herein, shall have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure pertains. Terms defined in commonly used dictionaries shall be further interpreted as having a meaning consistent with the relevant technical literature and the content of this present disclosure, and shall not be over-interpreted as having an ideal or overly formulaic meaning unless otherwise defined.

[0064] Based on the background technology section, it is understandable that traditional color matching adjustment methods, particularly in low grayscale or low brightness scenarios, suffer from difficulties in adjustment, low accuracy, and long adjustment times due to the influence of display screen voltage drop and OLED crosstalk. For example, Figure 1 This illustrates a schematic diagram of debugging data corresponding to 19 grayscale nodes, such as... Figure 1As shown, Lv represents the target white light brightness, x represents the target white light x-color scale, y represents the target white light y-color scale, R255, G255, and B255 represent the fixed RGB color scales at 255 gray levels, and Data represents the adjusted pixel voltage value. It can be seen that the measured white light brightness and measured white light color scales obtained using the traditional color matching adjustment method at 19 gray levels both differ from the target brightness and target color scales, indicating low adjustment accuracy.

[0065] To overcome the aforementioned problem of low debugging accuracy, in some embodiments of this disclosure, exemplarily, Figure 2 This shows another schematic diagram of debugging data corresponding to 19 grayscale nodes, such as... Figure 2 As shown, R15, G15, and B15 represent the actual measured RGB color scales at the 19 grayscale nodes. Since the process of obtaining the actual measured RGB color scales requires an additional three image slicing and measurement times, although the debugging accuracy has been improved, the total debugging time has further increased.

[0066] To overcome the above problems, this disclosure provides a color matching and adjustment method and system for a display device. By introducing the true color tristimulus values ​​corresponding to grayscale nodes, it is possible to reduce adjustment time while ensuring the accuracy of color matching and adjustment. Specifically, Figure 3 According to an embodiment of this disclosure, a flowchart illustrating a color matching adjustment method for a display device is shown, as follows: Figure 3 As shown, the specific steps may include the following:

[0067] Step 100: Based on preset grayscale nodes, select several first debugging results that meet preset conditions. It can be understood that each first debugging result includes red pixel voltage values, green pixel voltage values, blue pixel voltage values, and the corresponding white light tristimulus values. In the embodiments provided in this disclosure, the first debugging result corresponds to the historical target debugging result under the current preset grayscale node, that is, it satisfies the debugging white light information and RGB color adjustment voltage information under the current preset grayscale node.

[0068] Step 200: Based on several initial debugging results, obtain the true color tristimulus values ​​corresponding to the grayscale nodes. The specific characterization and acquisition method of the true color tristimulus values ​​will be explained in detail later.

[0069] Step 300: Based on the true color tristimulus values ​​and the target white light tristimulus values, re-execute color matching adjustment according to any set of first adjustment results to obtain the target red pixel voltage value, the target green pixel voltage value, and the target blue pixel voltage value.

[0070] It is understandable that in the display device using the method of this disclosure, the display device is also subject to voltage drop, meaning that the sum of the brightness of the red, green, and blue pixels of the display device is not equal to the corresponding white light brightness. Furthermore, when the display device's grayscale is lower than a first preset threshold and / or its brightness is lower than a second preset threshold, the corresponding RGB color scale deviates from the fixed RGB color scale at grayscale 255. The lower the grayscale and / or the brightness, the greater the deviation of the corresponding RGB color scale from the fixed RGB color scale, meaning the display device is also affected by OLED crosstalk. In the color matching debugging method provided in this disclosure, since the true tristimulus values ​​of the current grayscale are calculated, representing the true contribution of each color to the target white light tristimulus value as the RGB driving voltage changes during the debugging process, the influence of voltage drop and OLED crosstalk on traditional color matching calculations can be eliminated. Simultaneously, there is no need for image slicing and measurement based on the current grayscale node, improving Gamma debugging and color matching accuracy while shortening debugging time.

[0071] In the above embodiments, further, in an alternative implementation of the aforementioned step 200, Figure 4 This diagram illustrates a process for obtaining the true color tristimulus values ​​corresponding to grayscale nodes based on several initial debugging results. Figure 4 As shown, the specific steps include the following:

[0072] Step 201: Set 4 sets of first debugging results. Each set of first debugging results corresponds to the currently preset grayscale node. Selecting 4 sets of first debugging results can precisely obtain the corresponding true color tristimulus values. The 4 sets of first debugging results are represented by the following mathematical expressions:

[0073]

[0074] Wherein, R1, G1, and B1 are the red pixel voltage value, green pixel voltage value, and blue pixel voltage value corresponding to the first debugging result of the first group, respectively. These are the white light tristimulation values ​​corresponding to the first adjustment results of the first group;

[0075] R2, G2, and B2 represent the red, green, and blue pixel voltage values, respectively, corresponding to the first debugging result in the second group. These are the white light tristimulation values ​​corresponding to the first adjustment result of the second group;

[0076] R3, G3, and B3 represent the red, green, and blue pixel voltage values, respectively, corresponding to the first debugging result in the third group. These are the white light tristimulation values ​​corresponding to the first debugging result of the third group;

[0077] R4, G4, and B4 represent the red, green, and blue pixel voltage values, respectively, corresponding to the first debugging result of the fourth group. These are the white light tristimulation values ​​corresponding to the first debugging result of the fourth group.

[0078] Step 202: Based on the color matching principle, obtain the linear relationship between the four sets of first debugging results and the grayscale nodes. Specifically, the linear relationship satisfies the following mathematical expression:

[0079]

[0080] By combining the above linear relationships and expressing them in rectangular form, the following mathematical expression can be obtained:

[0081]

[0082] Step 203: Obtain the true color tristimulus values ​​based on the linear relationship. The true color tristimulus values ​​satisfy the following mathematical expression:

[0083]

[0084] Among them, X R Y R Z R X represents the true tristimulus value corresponding to the red pixel at the grayscale node. G Y G Z G X represents the true tristimulus value corresponding to the green pixel at the grayscale node. B Y B Z B These are the true tristimulus values ​​corresponding to the blue pixel at the grayscale node.

[0085] In the above embodiments, further, in an alternative implementation of the aforementioned step 300, Figure 5 This diagram illustrates a process for re-performing color matching adjustments based on the true color tristimulus values ​​and the target white light tristimulus values, according to any set of initial adjustment results. Figure 5 As shown, the specific steps may include the following:

[0086] Step 301: Select the first set of first debugging results and construct the corresponding mathematical expression based on the target white light tristimulus values. It is understood that those skilled in the art can select any set of first debugging results to construct the mathematical expression according to actual needs; no limitation is made here. The specific mathematical expression can be as follows:

[0087]

[0088] in, These are the tristimulus values ​​of the target white light, which can be directly converted from the target white light brightness and color scale, and are not limited here. The above mathematical expressions, when combined and expressed in rectangular form, can be represented as follows:

[0089]

[0090] Step 302: Obtain the target red pixel voltage value, target green pixel voltage value, and target blue pixel voltage value according to the mathematical expressions. The target red pixel voltage value, target green pixel voltage value, and target blue pixel voltage value satisfy the following formula:

[0091]

[0092] Among them, R n G n B n These are the target red pixel voltage value, the target green pixel voltage value, and the target blue pixel voltage value, respectively.

[0093] For example, the same 19 grayscale nodes are used for color matching adjustments. Figure 6 A schematic diagram of four selected groups of first debugging results is shown, such as... Figure 6 As shown, R_data, G_data, and B_data represent the red, green, and blue pixel voltage values ​​in the first debugging result, respectively; X, Y, and Z represent the corresponding white light tristimulus values ​​in the first debugging result. Based on the aforementioned description of the embodiments, it can be understood that the four sets of first debugging results are debugging results under different target white light brightness and target white light color scales at 19 grayscale nodes, according to... Figure 6 The four sets of first debugging results shown are based on the true color tristimulus values ​​calculated using the method provided in the aforementioned embodiments:

[0094]

[0095] Correspondingly, the obtained target red pixel voltage values, target green pixel voltage values, and target blue pixel voltage values ​​are as follows:

[0096]

[0097] The measured white light luminance obtained from the retest was 1.9813, and the measured white light color scales were 0.2996 and 0.3153, respectively, both of which meet the requirements of the target white light luminance and the target white color scale. At the same time, the debugging time was greatly shortened.

[0098] In the above embodiments, the color matching debugging method may further include writing the target red pixel voltage value, the target green pixel voltage value, and the target blue pixel voltage value into the integrated control circuit of the display device. The integrated control circuit performs drive control according to the target red pixel voltage value, the target green pixel voltage value, and the target blue pixel voltage value, thereby completing the entire color matching debugging process and entering the normal display process.

[0099] In the above embodiments, the color matching adjustment method may further include taking the target red pixel voltage value, target green pixel voltage value, target blue pixel voltage value, and corresponding target white light tristimulus value as a first set of adjustment results. It is understood that the first adjustment result obtained in step 100 is the historical adjustment result under the preset grayscale node. After completing the color matching adjustment of the current grayscale, the current adjustment result can also be taken as a new set of first adjustment results; this is not limited here.

[0100] In some embodiments of this disclosure, Figure 7 A schematic diagram of a color matching and adjustment system for a display device is provided, such as... Figure 7 As shown, it can specifically include:

[0101] The acquisition unit 001 is used to select a number of first debugging results that meet preset conditions based on preset grayscale nodes. Each first debugging result includes red pixel voltage value, green pixel voltage value, blue pixel voltage value and corresponding white light tristimulus value.

[0102] The calculation unit 002 is used to obtain the true color tristimulus values ​​corresponding to the grayscale nodes based on several first debugging results.

[0103] The color matching adjustment unit 003 is used to re-execute color matching adjustment based on the true color tristimulus values ​​and the target white light tristimulus values, according to any set of first adjustment results, to obtain the target red pixel voltage value, the target green pixel voltage value, and the target blue pixel voltage value.

[0104] It is understood that the functions performed by the acquisition unit 001 to the color matching debugging unit 003 in the above functional modules correspond to the method execution steps 100 to 300 provided in the previous embodiment, and will not be described in detail here.

[0105] In summary, the technical solution provided in this disclosure eliminates the need for a fixed RGB color scale at 255 gray levels during Gamma adjustment, and also eliminates the need for pre-measuring the RGB color scale at the current gray level brightness. It can adaptively obtain the true tristimulus values ​​of the current gray level brightness by utilizing previously appropriate white light adjustment information and color voltage information, and then obtain the required adjustment voltage based on these true tristimulus values. This color matching adjustment method eliminates the influence of voltage drop and OLED crosstalk errors on traditional color matching calculations, significantly improving the accuracy of Gamma adjustment and color matching adjustment, while shortening the adjustment time, and possesses widespread applicability.

[0106] The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of this disclosure and should not be construed as limiting the specific implementation of this disclosure to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of this disclosure, and all such modifications and substitutions should be considered within the scope of protection of this disclosure.

Claims

1. A color matching and adjustment method for a display device, characterized in that, Includes the following steps: Based on preset grayscale nodes, select several first debugging results that meet preset conditions; Based on several of the first debugging results, the true color tristimulus values ​​corresponding to the grayscale nodes are obtained; Based on the true color tristimulus values ​​and the target white light tristimulus values, color matching adjustments are re-executed according to any set of the first adjustment results to obtain the target red pixel voltage value, the target green pixel voltage value, and the target blue pixel voltage value.

2. The color matching and adjustment method for the display device as described in claim 1, characterized in that, The display device is affected by voltage drop. The sum of the brightness of the red, green, and blue pixels of the display device is not equal to the corresponding white light brightness.

3. The color matching and adjustment method for the display device as described in claim 1, characterized in that, When the display device displays a grayscale level lower than a first preset threshold and / or displays a brightness lower than a second preset threshold, the corresponding RGB color scale deviates from the fixed RGB color scale at 255 grayscale. The lower the display grayscale and / or the display brightness, the greater the offset of the corresponding RGB color scale from the fixed RGB color scale.

4. The color matching and adjustment method for the display device as described in claim 1, characterized in that, Each of the first debugging results includes the red pixel voltage value, the green pixel voltage value, the blue pixel voltage value, and the corresponding white light tristimulation value.

5. The color matching and adjustment method for the display device as described in claim 4, characterized in that, The step of obtaining the true color tristimulus values ​​corresponding to the grayscale nodes based on several of the first debugging results includes the following steps: Four groups of the first debugging results are defined, and represented by the following mathematical expressions: Wherein, R1, G1, and B1 are the red pixel voltage value, the green pixel voltage value, and the blue pixel voltage value corresponding to the first debugging result in the first group, respectively. These are the white light tristimulation values ​​corresponding to the first debugging results in the first group; R2, G2, and B2 are the red pixel voltage value, the green pixel voltage value, and the blue pixel voltage value corresponding to the first debugging result in the second group, respectively. These are the white light tristimulation values ​​corresponding to the first debugging results in the second group; R3, G3, and B3 are the red pixel voltage value, the green pixel voltage value, and the blue pixel voltage value corresponding to the first debugging result in the third group, respectively. These are the white light tristimulation values ​​corresponding to the first debugging result in the third group; R4, G4, and B4 are the red pixel voltage value, the green pixel voltage value, and the blue pixel voltage value corresponding to the first debugging result in the fourth group, respectively. These are the white light tristimulation values ​​corresponding to the first debugging result in the fourth group; Based on the color matching principle, obtain the linear relationship between the first debugging results and the grayscale nodes in four groups; Based on the linear relationship, the true color tristimulus values ​​are obtained, and the true color tristimulus values ​​satisfy the following mathematical expression: Among them, X R Y R Z R X represents the true tristimulus value corresponding to the red pixel at the grayscale node. G Y G Z G X represents the true tristimulus value corresponding to the green pixel at the grayscale node. B Y B Z B These are the true tristimulus values ​​corresponding to the blue pixels at the grayscale nodes.

6. The color matching and adjustment method for the display device as described in claim 5, characterized in that, The linear relationship satisfies the following mathematical expression:

7. The color matching and adjustment method for the display device as described in claim 5, characterized in that, The step of re-performing color matching adjustment based on the true color tristimulus values ​​and the target white light tristimulus values, according to any set of the first adjustment results, includes the following steps: Selecting the first set of the first debugging results, a corresponding mathematical expression is constructed based on the target white light tristimulus value, as shown below: in, These are the target white light tristimulation values, respectively; Based on the mathematical expression, the target red pixel voltage value, the target green pixel voltage value, and the target blue pixel voltage value are obtained, and the target red pixel voltage value, the target green pixel voltage value, and the target blue pixel voltage value satisfy the following formula: Among them, R n G n B n These are the target red pixel voltage value, the target green pixel voltage value, and the target blue pixel voltage value, respectively.

8. The color matching and adjustment method for the display device as described in claim 1, characterized in that, Also includes: The target red pixel voltage value, the target green pixel voltage value, and the target blue pixel voltage value are written into the integrated control circuit of the display device; The integrated control circuit performs drive control based on the target red pixel voltage value, the target green pixel voltage value, and the target blue pixel voltage value.

9. The color matching and adjustment method for the display device as described in claim 1, characterized in that, Also includes: The target red pixel voltage value, the target green pixel voltage value, the target blue pixel voltage value, and the corresponding target white light tristimulus value are taken as a set of the first debugging results.

10. A color matching and adjustment system for a display device, characterized in that, include: The acquisition unit is used to select a number of first debugging results that meet preset conditions based on preset grayscale nodes. Each first debugging result includes a red pixel voltage value, a green pixel voltage value, a blue pixel voltage value, and a corresponding white light tristimulus value. The calculation unit is used to obtain the true color tristimulus values ​​corresponding to the grayscale nodes based on several of the first debugging results; The color matching adjustment unit is used to re-execute color matching adjustment based on the true color tristimulus values ​​and the target white light tristimulus values, according to any one set of the first adjustment results, to obtain the target red pixel voltage value, the target green pixel voltage value, and the target blue pixel voltage value.

Images