Display compensation device and display compensation method

By using a combination of sensors and processors to reduce the display resolution and perform grayscale conversion, the problems of increased wattage caused by multiple sensors and difficulty in integrating temperature information are solved, thus enabling accurate prediction of display temperature.

CN118762665BActive Publication Date: 2025-11-11AU OPTRONICS CORP
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Patent Information

Application Number
CN202410919594.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2024-03-18
Filing Date
2024-07-10
Publication Date
2025-11-11
Estimated Expiration
2044-07-10

AI Technical Summary

Technical Problem

Existing temperature monitoring for displays requires multiple sensors, which increases wattage and makes it difficult to integrate temperature information.

Method used

A display compensation device is used to acquire temperature information through sensors. The processor reduces the resolution and performs grayscale conversion, and predicts the instantaneous temperature distribution based on the grayscale image information.

Benefits of technology

It enables accurate prediction of the overall temperature of the display panel, reduces the number of sensors, and simplifies the integration of temperature information.

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Abstract

The present application provides a display compensation device and a display compensation method. The display compensation device includes a display, a sensor and a processor. The sensor is used to obtain temperature information. The processor is used to perform the following steps: obtaining display screen information of the display; reducing the resolution of the display screen information to obtain low-resolution screen information; performing gray scale conversion on the low-resolution screen information to obtain gray scale screen information; obtaining instantaneous temperature prediction image information according to the gray scale screen information; obtaining temperature distribution information according to the temperature information and the instantaneous temperature prediction image information; and outputting the temperature distribution information or the instantaneous temperature prediction image information.
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Description

[0001] Cross-references to related applications

[0002] This invention claims priority to Taiwan Patent Application No. 113109993, filed on March 18, 2024, which is incorporated herein by reference for all purposes, as if fully set forth herein. Technical Field

[0003] This invention relates to a compensation device and a compensation method, and more particularly to a display compensation device and a display compensation method. Background Technology

[0004] Currently, temperature monitoring of a monitor requires controlling multiple sensors, which can easily increase the monitor's wattage, and the temperatures obtained from multiple sensors need to be further integrated. Summary of the Invention

[0005] This invention is intended to provide a simplified summary of the disclosure to enable the reader to have a basic understanding of it. This invention is not a complete overview of the disclosure and is not intended to identify key / critical elements of the embodiments of the invention or to define the scope of the invention.

[0006] One embodiment of the present invention discloses a display compensation device. The display compensation device includes a display, a sensor, and a processor. The sensor is used to acquire temperature information. The processor is used to perform the following steps: acquiring the display screen information of the display; reducing the resolution of the display screen information to a low-resolution screen information; converting the low-resolution screen information into grayscale screen information; acquiring instantaneous temperature prediction image information based on the grayscale screen information; acquiring temperature distribution information based on the temperature information and the instantaneous temperature prediction image information; and outputting the temperature distribution information or the instantaneous temperature prediction image information.

[0007] Another embodiment of the present invention discloses a display compensation method. The display compensation method includes the following steps: obtaining temperature information through a sensor; obtaining display screen information of the display through a processor; reducing the resolution of the display screen information to a low-resolution screen information through the processor; converting the low-resolution screen information to grayscale screen information through the processor; obtaining instantaneous temperature prediction image information through the processor based on the grayscale screen information; obtaining temperature distribution information through the processor based on the temperature information and the instantaneous temperature prediction image information; and outputting the temperature distribution information or the instantaneous temperature prediction image information through the processor.

[0008] Therefore, according to the technical content of the present invention, the display compensation device and display compensation method shown in the embodiments of the present invention can predict image information through instantaneous temperature, so as to achieve the effect of accurately predicting the overall temperature of the panel.

[0009] To make the above and other objects, features and advantages of the present invention more apparent and understandable, specific embodiments are described below in conjunction with the accompanying drawings. Attached Figure Description

[0010] Figure 1 A block diagram illustrating a display compensation device according to an embodiment of the present invention is shown;

[0011] Figure 2 A usage scenario diagram of a display compensation device according to an embodiment of the present invention is shown;

[0012] Figure 3 A usage scenario diagram of a display compensation device according to an embodiment of the present invention is shown;

[0013] Figure 4 A usage scenario diagram of a display compensation device according to an embodiment of the present invention is shown;

[0014] Figure 5 A usage scenario diagram of a display compensation device according to an embodiment of the present invention is shown;

[0015] Figure 6 A usage scenario diagram of a display compensation device according to an embodiment of the present invention is shown;

[0016] Figure 7 A usage scenario diagram of a display compensation device according to an embodiment of the present invention is shown;

[0017] Figure 8 A usage scenario diagram of a display compensation device according to an embodiment of the present invention is shown;

[0018] Figure 9 A usage scenario diagram of a display compensation device according to an embodiment of the present invention is shown;

[0019] Figure 10 A usage scenario diagram of a display compensation device according to an embodiment of the present invention is shown;

[0020] Figure 11 A usage scenario diagram of a display compensation device according to an embodiment of the present invention is shown;

[0021] Figure 12 A usage scenario diagram of a display compensation device according to an embodiment of the present invention is shown;

[0022] Figure 13A A usage scenario diagram of a display compensation device according to an embodiment of the present invention is shown;

[0023] Figure 13BA usage scenario diagram of a display compensation device according to an embodiment of the present invention is shown;

[0024] Figure 14A A usage scenario diagram of a display compensation device according to an embodiment of the present invention is shown;

[0025] Figure 14B A usage scenario diagram of a display compensation device according to an embodiment of the present invention is shown;

[0026] Figure 15 A flowchart illustrating the steps of a display compensation method according to an embodiment of the present invention is provided.

[0027] In the attached figures, the following labels are used:

[0028] 100: Display compensation device

[0029] 110: Monitor

[0030] 120: Sensors

[0031] 130, 130A: Processor

[0032] 140: Memory

[0033] X: Axis

[0034] Y: axis

[0035] D1, D2, D3: Information

[0036] GL, GLS, dGL: parameters

[0037] A1, A2, A3, A4: Coordinate graphs

[0038] L1, L2, L3, L4: Curves

[0039] dT, TS, Ts: parameters

[0040] T: Temperature

[0041] 200, 300, 400: Schematic diagram

[0042] 21-27, TC: Steps

[0043] 31-39, M1, M2, 310, 311: Steps

[0044] 41-49, M3: Steps

[0045] 700: Display compensation method

[0046] 710~770: Steps. Detailed Implementation

[0047] To make the description of this disclosure more detailed and complete, illustrative descriptions of specific embodiments of the present invention are provided below; however, these are not the only forms of implementing or utilizing the specific embodiments of the present invention. The embodiments cover features of multiple specific embodiments and methods and steps for constructing and operating these specific embodiments, and their order. However, other specific embodiments may also be used to achieve the same or equivalent functions and order of steps.

[0048] Unless otherwise defined herein, the scientific and technical terms used herein have the same meaning as understood and commonly used by one of ordinary skill in the art to which this invention pertains. Furthermore, unless conflicting with the context, singular nouns used herein encompass their plural forms, and vice versa.

[0049] Additionally, the term "coupled" or "connected" as used in this article may refer to two or more components making direct physical or electrical contact with each other, or making indirect physical or electrical contact with each other, or to two or more components operating or moving together.

[0050] In this article, the term "circuit" is used to refer to an object consisting of one or more transistors and / or one or more active and passive components connected in a certain manner to process signals.

[0051] Certain terms are used in the specification and claims to refer to specific elements. However, those skilled in the art will understand that the same element may be referred to by different names. The specification and claims do not distinguish elements by differences in name, but by differences in function. The term "comprising" as used in the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to".

[0052] Figure 1 This is a block diagram illustrating a display compensation device according to an embodiment of the present invention. Figure 1 As shown, in some embodiments, the display compensation device 100 includes a display 110, a sensor 120, and a processor 130.

[0053] For example, the display 110 can be a panel, and the sensor 120 can be any form of temperature sensor or any form of brightness sensor, but this disclosure is not limited thereto.

[0054] Furthermore, the processor 130 may be a time controller (TCON), but this disclosure is not limited thereto. In some embodiments, it may be a single processor or an integrated device of multiple microprocessors, such as a central processing unit (CPU), a graphics processing unit (GPU), or an application-specific integrated circuit (ASIC), etc., but this disclosure is not limited thereto.

[0055] In some embodiments, the display 110 may be a liquid crystal display (LCD), which includes a plurality of light-emitting diodes (LEDs). These LEDs can be of any type, such as micro LEDs, mini LEDs, or organic LEDs (OLEDs), but this disclosure is not limited thereto. In some embodiments, the display 110 may or may not have a liquid crystal layer, but this disclosure is not limited thereto. In some embodiments, the display 110 may be an automotive display, but this disclosure is not limited thereto.

[0056] Figure 2 This is a diagram illustrating a usage scenario of a display compensation device according to an embodiment of the present invention. Figure 2 As shown, in some embodiments, sensor 120 may be placed at the center of display 110. In some embodiments, sensor 120 may be placed at the center of the back of display 110. In some embodiments, sensor 120 may be placed at the center of the front of display 110.

[0057] For example, Figure 2 The display 110 and sensor 120 can each correspond to Figure 1 The display 110 and sensor 120 are included, but the contents of this disclosure are not limited thereto.

[0058] In some embodiments, sensor 120 is used to acquire temperature information.

[0059] For example, the temperature information can be any temperature information of the display 110, such as the panel surface temperature, the panel ambient temperature, etc., but this disclosure is not limited to this.

[0060] Figure 3This is a diagram illustrating a usage scenario of a display compensation device according to an embodiment of the present invention. Figure 3 As shown, in some embodiments, the grayscale image information D1 can be composed of multiple grayscale information.

[0061] Figure 4 This is a diagram illustrating a usage scenario of a display compensation device according to an embodiment of the present invention. Figure 4 As shown, in some embodiments, the temperature distribution information D2 can be composed of multiple temperature grayscale information.

[0062] Please refer to the following: Figures 1 to 4 In one embodiment, the processor performs the following steps: obtaining display screen information of the display 110. For example, the display screen information can be any screen displayed on the display 110, but this disclosure is not limited thereto.

[0063] Furthermore, the display screen information will be reduced to a lower resolution. For example, the resolution of the display screen information may be 720P, and the resolution of the low-resolution screen information may be 180P, but this disclosure is not limited to this.

[0064] Then, the low-resolution image information is converted from grayscale to grayscale image information D1 (e.g., ...). Figure 3 (As shown).

[0065] For example, low-resolution image information may include red, green, and blue image information, and grayscale image information D1 may have multiple grayscale information corresponding to the low-resolution image information, but this disclosure is not limited thereto. In some embodiments, the multiple grayscale information may be at least any one of grayscale levels from 0 to 255, but this disclosure is not limited thereto.

[0066] Furthermore, instantaneous temperature prediction image information is obtained based on the grayscale image information D1.

[0067] For example, instantaneous temperature prediction image information can be a sortterm memory image (STM image), which can represent the sum of images within a previous period of time (e.g., within 1 to 5 frames), and the more recently displayed images have a greater impact on the sum, but this disclosure is not limited to this.

[0068] Then, temperature distribution information D2 is obtained based on the temperature information and the instantaneous temperature prediction image information. Furthermore, either the temperature distribution information D2 or the instantaneous temperature prediction image information is output.

[0069] Figure 5 This is a diagram illustrating a usage scenario of a display compensation device according to an embodiment of the present invention. Figure 5As shown, in some embodiments, the coordinate graph A1 has a Y-axis, parameter GL, sensor 120, and curve L1.

[0070] For example, Figure 5 The horizontal X-axis can correspond to Figure 2 The Y-axis. Please note that in Figure 5 , Figure 6 , Figure 7 and Figure 9 In the middle, the horizontal X-axis corresponds to Figure 2 The Y-axis. Parameter GL has multiple grayscale values ​​or multiple brightness values. Sensor 120 can be positioned relative to the Y-axis by parameter GLS. Curve L1 can be determined by processor 130 based on... Figure 2 The position and parameters of sensor 120 are plotted using GLS, but this disclosure is not limited to this.

[0071] In some embodiments, curve L1 can be determined by the processor 130 according to... Figure 2 The position and parameters of sensor 120 are simulated or drawn using GLS, but this disclosure is not limited to that.

[0072] In some embodiments, the processor 130 can obtain instantaneous temperature prediction image information through the operation of coordinate graph A1, but the present disclosure is not limited thereto.

[0073] In some embodiments, parameter GL can be an image value or a gray level, but this disclosure is not limited thereto.

[0074] Figure 6 This is a diagram illustrating a usage scenario of a display compensation device according to an embodiment of the present invention. Figure 6 As shown, in some embodiments, the coordinate graph A2 has a Y-axis, parameter dGL, sensor 120, and curve L2.

[0075] For example, curve L2 in coordinate graph A2 can be the result of curve L1 in coordinate graph A1 after subtracting the parameter GLS, but the content disclosed herein is not limited to this.

[0076] dGL = GL - GLS ... Relation 1.

[0077] In some embodiments, curve L1 and curve L2 have a relationship as described in Equation 1, but this disclosure is not limited thereto.

[0078] In some embodiments, the parameter dGL can be the difference between gray levels, but this disclosure is not limited thereto.

[0079] Figure 7This is a diagram illustrating a usage scenario of a display compensation device according to an embodiment of the present invention. Figure 7 As shown, in some embodiments, the coordinate graph A2 has a Y-axis, parameter dT, sensor 120, and curve L3.

[0080] For example, curve L3 in coordinate graph A3 can be the result of curve L2 in coordinate graph A2 after transformation through a lookup table, but the content disclosed herein is not limited to this.

[0081] dT = LUT[dGL,T]…… Relation 2.

[0082] In some embodiments, the parameter dT can be the temperature difference between the area around the display 110 and the center of the display 110, but this disclosure is not limited thereto.

[0083] In some embodiments, curve L2 and curve L3 have a relationship as shown in Equation 2, and parameter LUT[dGL,T] can be a table showing the relationship between parameter dGL and temperature T, but this disclosure is not limited thereto.

[0084] Figure 8 This is a diagram illustrating a usage scenario of a display compensation device according to an embodiment of the present invention. Figure 8 As shown, in some embodiments, information D3 has parameters dGL and temperature T.

[0085] For example, information D3 may be a table, and this table may have a conversion or mapping relationship between parameter dGL and temperature T, but this disclosure is not limited thereto.

[0086] In some embodiments, information D3 can be used to convert curve L2 of coordinate graph A2 into curve L3 of coordinate graph A3 through relation 2, but this disclosure is not limited thereto.

[0087] Figure 9 A usage scenario diagram of a display compensation device according to an embodiment of the present invention is shown. Figure 9 As shown, in some embodiments, the coordinate graph A2 has a Y-axis, parameter T, sensor 120, and curve L4.

[0088] For example, curve L4 in coordinate graph A4 can be the result of curve L3 in coordinate graph A3 after being transformed by a temperature transformation relationship, but the content of this disclosure is not limited thereto.

[0089] T = TS + dT ... Relationship 3.

[0090] In some embodiments, temperature T can be the temperature of the panel (e.g., actual temperature or simulated temperature), and parameter TS can be the value of the sensor.

[0091] In some embodiments, the processor 130 may use relation 3 to convert curve L3 of coordinate graph A3 into curve L4 of coordinate graph A4, but this disclosure is not limited thereto.

[0092] Figure 10 This is a diagram illustrating a usage scenario of a display compensation device according to an embodiment of the present invention. Figure 10 As shown, in some embodiments, schematic diagram 200 includes steps 21, 27, and processor 130A. Processor 130A can execute multiple steps 22, 24, 25, and TC. Step TC includes multiple steps 23 and 26.

[0093] In some embodiments, Figure 10 The processor 130A can correspond to Figure 1 The processor is 130, but this disclosure is not limited to that.

[0094] In step 21, display screen information is obtained from the source image. In some embodiments, the source image in step 21 is a color image, and its intensity distribution is similar to that of the instantaneous temperature prediction image (e.g., Figure 13B and Figure 14B The instantaneous temperature prediction image shown is close to the actual temperature.

[0095] In some embodiments, the processor 130A can obtain display screen information from the source image.

[0096] In step 22, the processor 130A can perform data mapping on the source image to obtain the image information after image mapping;

[0097] In step 23, the processor 130A can perform data compensation processing on the mapped information to obtain the image information after image compensation;

[0098] In some embodiments, image mapping can be performed between steps 22 and 23. The image information after image mapping can have parameters Rmapping, Gmapping, and Bmapping, and parameters Rmapping, Gmapping, and Bmapping can each correspond to red mapping information, green mapping information, and blue mapping information, but the content disclosed herein is not limited thereto.

[0099] In step 24, the processor 130A can further obtain digital gamma from the image information after image compensation.

[0100] In some embodiments, image compensation can be performed between steps 23 and 24. The compensated image information can have parameters Rdst, Gdst, and Bdst, and parameters Rdst, Gdst, and Bdst can each correspond to red compensation information, green compensation information, and blue compensation information, but this disclosure is not limited thereto.

[0101] In step 25, the processor 130A can obtain information from temperature sensors. Figure 1 The display 110 obtains temperature information.

[0102] In step 26, the processor 130A can adjust the temperature based on the temperature information provided by the temperature sensors. Figure 1 The display 110 is used for temperature prediction.

[0103] In some embodiments, a temperature map can be created between steps 23 and 26. The temperature map can have parameters T[i,j], where parameter i can correspond to... Figure 2 The value of the X-axis, parameter j can correspond to Figure 2 The value of the Y-axis is specified, but this disclosure is not limited to this.

[0104] In step 27, the processor 130A can output digital gamma image information to the source IC.

[0105] Figure 11 A usage scenario diagram of a display compensation device according to an embodiment of the present invention is shown. Figure 11 As shown, in some embodiments, schematic diagram 300 includes multiple steps 31 to 33, M1, 34, 310, and 311. Step M1 includes multiple steps 35, 36, M2, and 39. Step M2 includes multiple steps 37 and 38.

[0106] In step 31, it can be done by Figure 1 The processor 130 performs data mapping operations, for example Figure 10 The data mapping operation in step 22 shown is used to generate the mapped screen information D_src[i,j,k].

[0107] In step 32, it can be done by Figure 1 The processor 130 obtains the sensor location of the sensor 120.

[0108] In step 33, it can be done by Figure 1 The processor 130 obtains the value of the sensor 120, and the value of the sensor 120 can be the parameter Ts.

[0109] In step 34, image compensation is performed.

[0110] In some embodiments, it can be achieved through Figure 1 The processor 130 performs image compensation on the source image.

[0111] In some embodiments, the image information D_src[i,j,k] after image mapping can be converted into image information D[i,j,k] after image compensation through step 34.

[0112] In step 35, processor 130 reduces the resolution.

[0113] For example, it can be done through Figure 1 The processor 130 downsamples the image information after image compensation.

[0114] In some embodiments, the image information D[i,j,k] after image compensation can be converted into low-resolution image information D_src[m,n,k] through step 35.

[0115] In step 36, the processor 130 performs grayscale conversion.

[0116] In some embodiments, it can be achieved through Figure 1 The processor 130 performs grayscale conversion on the low-resolution image information, for example, converting it into grayscale image information.

[0117] In some embodiments, step 36 can be channel reduction, for example, merging red, green and blue information to convert them into grayscale image information.

[0118] In some embodiments, the low-resolution image information D_src[m,n,k] can be converted into initial grayscale information D[m,n] through step 36.

[0119] In step 37, it can be done by Figure 1 The processor 130 obtains the grayscale image according to a transformation formula.

[0120] D_new[m,n]=A1×D_STM[m,n]+A2×D[m,n]……Relation 4.

[0121] In some embodiments, the initial grayscale information D[m,n] can be converted into grayscale image information D_new[m,n] through step 37 or relation 4. In some embodiments, the sum of parameters A1 and A2 can be 1.

[0122] In step 38, it can be done through Figure 1 The processor 130 obtains instantaneous temperature prediction images according to relation 4.

[0123] In some embodiments, the grayscale image information D_new[m,n] can be converted into instantaneous temperature prediction grayscale information D_STM[m,n] through step 38 or relation 4.

[0124] In step 39, it can be done through Figure 1 The processor 130 performs a reference selection (GL) on position (a,b) to obtain image information D(a,b) of the sensor position.

[0125] In step 310, the processor 130 performs temperature prediction.

[0126] In some embodiments, it can be achieved through Figure 1 The processor 130 performs temperature prediction on the display 110 to obtain the temperature T[i,j].

[0127] In step 311, the processor 130 outputs compensation image information.

[0128] In some embodiments, it can be achieved through Figure 1 The processor 130 outputs information to compensate for the image.

[0129] Figure 12 A usage scenario diagram of a display compensation device according to an embodiment of the present invention is shown. Figure 12 As shown, in some embodiments, schematic diagram 400 includes multiple steps 41 to 43, M3 and 49. Step M3 includes multiple steps 44 to 48.

[0130] In step 41, it can be done by Figure 1 The processor 130 acquires low-resolution image information (down-sampling image data).

[0131] For example, Figure 12 Step 41 can correspond to Figure 11 Steps 35 or 38 may be used, but this disclosure is not limited to these steps.

[0132] In step 42, the image information of the sensor location.

[0133] In some embodiments, it can be achieved through Figure 1 The processor 130 acquires image data at the sensor location.

[0134] For example, Figure 12 Step 42 can correspond to Figure 11 Step 39, but the content of this disclosure is not limited thereto.

[0135] In step 43, it can be done by Figure 1 The processor 130 obtains the sensor value.

[0136] For example, Figure 12 Step 43 can correspond to Figure 11 In step 33, the sensor value can be parameter Ts, but this disclosure is not limited to this.

[0137] In step 44, it can be done by Figure 1 The processor 130 performs a subtraction (difference) process between the low-resolution image information and the image information at the sensor location.

[0138] In some embodiments, it can be achieved through Figure 1 The processor 130 subtracts (differences) the low-resolution image information Dn[m,n] from the image information D[a,b] at the sensor position to obtain the parameter dD[m,n].

[0139] In step 45, it can be done by Figure 1 The processor 130 performs a difference conversion between the parameter dD[m,n] and the parameter Ts to obtain the parameter dT[m,n].

[0140] In step 46, it can be done by Figure 1 The processor 130 adds the parameters dT[m,n] and Ts together to obtain the parameter T_pre[m,n].

[0141] In step 47, it can be done by Figure 1 The processor 130 performs temperature map buffer processing based on the parameter T_pre[m,n] to obtain the parameter T[m,n].

[0142] In step 48, it can be done through Figure 1 The processor 130 performs interpolation based on the parameter T[m,n] to obtain the parameter T[i,j].

[0143] In step 48, it can be done through Figure 1 The processor 130 performs image compensation based on the parameter T[i,j].

[0144] For example, Figure 12 Step 48 can correspond to Figure 11 Steps 34 or 311 may be used, but this disclosure is not limited thereto.

[0145] Figure 13A A usage scenario diagram of a display compensation device is shown according to an embodiment of the present invention. Figure 13B A usage scenario diagram of a display compensation device is shown according to an embodiment of the present invention.

[0146] like Figures 13A to 13B As shown, in some embodiments, during the first period, Figure 13A It can be the predicted image corresponding to the first period. Figure 13B It can be used to predict the instantaneous temperature image corresponding to the first period.

[0147] For example, the first period can be 0 seconds (sec, s), but this disclosure is not limited to this.

[0148] In some embodiments, Figure 13A and Figure 13B Related.

[0149] In some embodiments, Figure 13A It can correspond to Figure 10 Temperature prediction in Figure 11 Reduced resolution (image) or grayscale image or Figure 12 Low-resolution image information or image information of sensor location.

[0150] In some embodiments, Figure 13B It can correspond to Figure 10 Data compensation or temperature prediction in Figure 11 Grayscale images or instantaneous temperature prediction images or Figure 12 Low-resolution image information or image information of sensor location.

[0151] Figure 14A A usage scenario diagram of a display compensation device is shown according to an embodiment of the present invention. Figure 14B A usage scenario diagram of a display compensation device is shown according to an embodiment of the present invention.

[0152] like Figures 14A to 14B As shown, in some embodiments, during the second period, Figure 14A It can be the predicted image corresponding to the second period. Figure 14B It can be used to predict instantaneous temperature images corresponding to the second period.

[0153] For example, the second period could be 300 seconds (sec, s), but this disclosure is not limited to this.

[0154] In some embodiments, Figure 14A and Figure 14B Related.

[0155] In some embodiments, Figure 14A Can be with Figure 13A Related, Figure 14B Can be with Figure 13B Related. Specifically, from Figures 13A to 14A It exhibits instantaneous image changes. From Figures 13B to 14B It features instantaneous image changes.

[0156] In some embodiments, Figure 14A It can correspond to Figure 10 Temperature prediction in Figure 11 Reduced resolution (image) or grayscale image or Figure 12 Low-resolution image information or image information of sensor location.

[0157] In some embodiments, Figure 14B It can correspond to Figure 10 Data compensation or temperature prediction in Figure 11 Grayscale images or instantaneous temperature prediction images or Figure 12 Low-resolution image information or image information of sensor location.

[0158] Please refer to the following: Figures 1 to 14B In one embodiment, the display compensation device 100 further includes a memory 140. The memory 140 is used to store table information. The sensor 120 acquires brightness information.

[0159] For example, the memory 140 can be storage hardware (e.g., a hard disk drive (HDD) or a solid-state drive (SSD)), and the table information can be various lookup tables or conversion tables related to brightness and temperature, but this disclosure is not limited thereto. In some embodiments, the table information can correspond to... Figure 8 The content disclosed herein is not limited to D3.

[0160] In this embodiment, the processor 130 is used to perform the following steps: obtaining a deviation image based on instantaneous temperature prediction image information and brightness information; and obtaining temperature distribution information based on the deviation image and table information.

[0161] For example, instantaneous temperature prediction image information can correspond to Figure 3 D1, Figure 4 D2, Figure 13B or Figure 14BBrightness information can correspond to Figure 3 D1, Figure 4 The content disclosed herein is not limited to D2.

[0162] In some embodiments, the relationship between the predicted image information of instantaneous temperature and the brightness information to obtain the deviation image can conform to Relationship 1. In some embodiments, the relationship between the deviation image and the table information to obtain the temperature distribution information can conform to Relationship 2.

[0163] In one embodiment, the grayscale image information includes initial grayscale information and instantaneous temperature prediction grayscale information.

[0164] For example, corresponding to relation 4, grayscale image information can be data D_new[m,n], initial grayscale information can be data D[m,n], and instantaneous temperature prediction grayscale information can be data D_STM[m,n], but the content disclosed herein is not limited to these.

[0165] In one embodiment, the processor 130 performs the following steps: obtaining new grayscale information based on initial grayscale information, a first parameter, instantaneous temperature predicted grayscale information, and a second parameter; and obtaining instantaneous temperature predicted image information based on the new grayscale information. In one embodiment, the sum of the first parameter and the second parameter is 1.

[0166] For example, the relationship between the initial grayscale information, the first parameter, the instantaneous temperature-predicted grayscale information, and the second parameter to obtain the new grayscale information can correspond to Relation 4. The new grayscale information can be the data D_new[m,n], the first parameter can be parameter A1, and the second parameter can be parameter A2, but the content disclosed herein is not limited to this.

[0167] Figure 15 A flowchart illustrating the steps of a display compensation method according to an embodiment of the present invention is provided. Figure 15 As shown, in some embodiments, the compensation method 700 includes multiple steps 710 to 770, which are described in detail below.

[0168] In step 710, temperature information is obtained through a sensor.

[0169] In some embodiments, please refer to the following: Figure 1 , Figure 2 and Figure 15 Temperature information can be obtained through sensor 120.

[0170] For example, the operation of the display compensation method 700 is similar to that of the display compensation device 100. For the sake of brevity, descriptions of other operations in the display compensation method 700 will be omitted here.

[0171] In some embodiments, Figure 15 Step 710 can correspond to Figure 10 Step 25 Figure 11 Step 33 or Figure 12 Step 43.

[0172] In step 720, the processor obtains the display screen information of the display.

[0173] In some embodiments, please refer to the following: Figure 1 , Figure 2 and Figure 15 The processor 130 can obtain the display information of the monitor 110.

[0174] For example, the operation of the display compensation method 700 is similar to that of the display compensation device 100. For the sake of brevity, descriptions of other operations in the display compensation method 700 will be omitted here.

[0175] In some embodiments, Figure 15 Step 720 can correspond to Figure 10 Step 21 Figure 11 Step 31 or Figure 12 Step 41.

[0176] In step 730, the processor reduces the resolution of the display screen information to low-resolution screen information.

[0177] In some embodiments, please refer to the following: Figure 1 , Figure 2 and Figure 15 The processor 130 can reduce the resolution of the display screen information to a lower resolution.

[0178] For example, the operation of the display compensation method 700 is similar to that of the display compensation device 100. For the sake of brevity, descriptions of other operations in the display compensation method 700 will be omitted here.

[0179] In some embodiments, Figure 15 Step 730 can correspond to Figure 10 Step 22, Step 25 Figure 11 Step 35 or Figure 12 Step 41.

[0180] In step 740, the processor converts the low-resolution image information into grayscale image information.

[0181] In some embodiments, please refer to the following: Figure 1 , Figure 2 and Figure 15The processor 130 can convert low-resolution image information into grayscale image information.

[0182] For example, the operation of the display compensation method 700 is similar to that of the display compensation device 100. For the sake of brevity, descriptions of other operations in the display compensation method 700 will be omitted here.

[0183] In some embodiments, Figure 15 Step 740 can correspond to Figure 10 Step 25 Figure 11 Step 36 or Step 37 or Figure 12 Step 41.

[0184] In step 750, the processor obtains instantaneous temperature prediction image information based on grayscale image information.

[0185] In some embodiments, please refer to the following: Figure 1 , Figure 2 and Figure 15 The processor 130 can obtain instantaneous temperature prediction image information based on grayscale image information.

[0186] In some embodiments, Figure 15 Step 750 can correspond to Figure 10 Step 25 Figure 11 Step M2, Step 37 or Step 38 or Figure 12 Step 41.

[0187] In step 760, the processor obtains temperature distribution information based on temperature information and instantaneous temperature prediction image information.

[0188] In some embodiments, please refer to the following: Figure 1 , Figure 2 and Figure 15 Temperature distribution information can be obtained by the processor 130 based on temperature information and instantaneous temperature prediction image information.

[0189] In some embodiments, Figure 15 Step 760 can correspond to Figure 10 Step 26 Figure 11 Steps 34 and 310 Figure 12 Step 47 or step 48.

[0190] In step 770, the processor outputs temperature distribution information or instantaneous temperature prediction image information.

[0191] In some embodiments, please refer to the following: Figure 1 , Figure 2 and Figure 15The processor 130 can output temperature distribution information or instantaneous temperature prediction image information.

[0192] In some embodiments, Figure 15 Step 770 may correspond to some embodiments, Figure 15 Step 760 can correspond to Figure 10 Step 27 Figure 11 Step 34, Step 311 or Figure 12 Step 49.

[0193] In one embodiment, please refer to the following: Figures 1 to 15 The display compensation method 700 further includes the following steps: storing table information through memory 140; obtaining brightness information through processor 130; obtaining a deviation image through processor 130 based on instantaneous temperature prediction image information and brightness information; and obtaining temperature distribution information through processor 130 based on deviation image and table information.

[0194] For example, the operation of the display compensation method 700 is similar to that of the display compensation device 100. For the sake of brevity, descriptions of other operations in the display compensation method 700 will be omitted here.

[0195] In one embodiment, the grayscale image information includes initial grayscale information and instantaneous temperature prediction grayscale information. For example, the operation of the display compensation method 700 is similar to the operation of the display compensation device 100. For the sake of brevity, descriptions of other operations in the display compensation method 700 will be omitted here.

[0196] In one embodiment, the display compensation method 700 further includes the following steps: obtaining new grayscale information by the processor 130 based on the initial grayscale information, the first parameter, the instantaneous temperature predicted grayscale information, and the second parameter; and obtaining instantaneous temperature predicted image information by the processor 130 based on the new grayscale information.

[0197] For example, the operation of the display compensation method 700 is similar to that of the display compensation device 100. For the sake of brevity, descriptions of other operations in the display compensation method 700 will be omitted here.

[0198] In one embodiment, the sum of the first parameter and the second parameter is 1.

[0199] For example, the operation of the display compensation method 700 is similar to that of the display compensation device 100. For the sake of brevity, descriptions of other operations in the display compensation method 700 will be omitted here.

[0200] As can be seen from the above embodiments of the present invention, applying the present invention has the following advantages. The display compensation device and display compensation method shown in the embodiments of the present invention can predict image information through instantaneous temperature, so as to achieve the effect of accurately predicting the overall temperature of the panel.

[0201] Although the present invention has been disclosed above with reference to embodiments, it is not intended to limit the present invention. Those skilled in the art to which this invention pertains may make some modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended patent claims.

Claims

1. A display compensation device, characterized in that, Include: One monitor; A sensor used to obtain temperature information; A processor is used to perform the following steps: Obtain information about a display screen from the monitor; Reduce the resolution of the displayed image information to a lower resolution image information; Convert the low-resolution image information to a single grayscale image information; Based on the grayscale image information, instantaneous temperature prediction image information is obtained; A temperature distribution information is obtained based on the temperature information and the instantaneous temperature prediction image information; and Output the temperature distribution information or the instantaneous temperature prediction image information; Based on the temperature distribution information, the displayed image information is compensated to generate a compensated image information; and the compensated image information is output.

2. The display compensation device as described in claim 1, characterized in that, Also includes: A memory for storing a table of information; The sensor acquires brightness information; The processor is used to perform the following steps: A deviation image is obtained based on the instantaneous temperature prediction image information and the brightness information; and The temperature distribution information is obtained based on the deviation image and the information in the table.

3. The display compensation device as described in claim 1, characterized in that, The grayscale image information includes an initial grayscale information and an instantaneous temperature prediction grayscale information.

4. The display compensation device as described in claim 3, characterized in that, The processor is used to perform the following steps: A new grayscale information is obtained based on the initial grayscale information, a first parameter, the instantaneous temperature predicted grayscale information, and a second parameter; The instantaneous temperature prediction image information is obtained based on the new grayscale information.

5. The display compensation device as described in claim 4, characterized in that, The sum of the first parameter and the second parameter is 1.

6. A display compensation method, characterized in that, Include: Temperature information is obtained through a sensor; A processor obtains display information from a monitor. The processor reduces the resolution of the displayed image information to a lower resolution image information. The processor converts the low-resolution image information into a single grayscale image information. The processor obtains instantaneous temperature prediction image information based on the grayscale image information; The processor obtains temperature distribution information based on the temperature information and the instantaneous temperature prediction image information; and The processor outputs the temperature distribution information or the instantaneous temperature prediction image information. Based on the temperature distribution information, the displayed image information is compensated to generate a compensated image information; and the compensated image information is output.

7. The display compensation method as described in claim 6, characterized in that, Also includes: A table of information is stored in a memory; The processor obtains brightness information. The processor obtains a deviated image based on the instantaneous temperature prediction image information and the brightness information; and The processor obtains the temperature distribution information based on the deviation image and the table information.

8. The display compensation method as described in claim 6, characterized in that, The grayscale image information includes an initial grayscale information and an instantaneous temperature prediction grayscale information.

9. The display compensation method as described in claim 8, characterized in that, Also includes: The processor obtains new grayscale information based on the initial grayscale information, a first parameter, the instantaneous temperature-predicted grayscale information, and a second parameter; and The processor obtains the instantaneous temperature prediction image information based on the new grayscale information.

10. The display compensation method as described in claim 9, characterized in that, The sum of the first parameter and the second parameter is 1.

Citation Information

Patent Citations

  • Display compensation device and display compensation method

    TWI883871B