Display device, processor, and image processing method
Patent Information
- Application Number
- CN202211230516.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Priority Date
- 2022-08-02
- Filing Date
- 2022-10-08
- Publication Date
- 2026-09-18
- Estimated Expiration
- 2042-10-08
AI Technical Summary
显示装置包含一显示面板以及一处理器
Smart Images

Figure CN117496872B_ABST
Abstract
Description
Technical Field
[0001] This disclosure relates to compensation techniques. In particular, it relates to a display device, a processor, and an image processing method. Background Technology
[0002] With the development of technology, more and more electronic devices are equipped with display panels. Due to the characteristics of subpixels, the light emission time of subpixels, or other factors, the decay of different subpixels may be different, thus causing uneven brightness or color cast. Summary of the Invention
[0003] Some embodiments disclosed herein relate to a display device. The display device includes a display panel and a processor. The processor is coupled to the display panel. The processor is configured to generate a first output data based on a first input data and a first compensation value, generate a pressure reduction value and a compensation reduction value based on the first input data, calculate a final pressure value based on the first output data, at least one first operating factor, and the pressure reduction value, calculate a second compensation value based on the final pressure value and the compensation reduction value, and output a second output data based on a second input data, the second compensation value, and at least one second operating factor. The display panel receives the second output data and displays the data accordingly.
[0004] In some embodiments, the display device further includes a memory. The memory is coupled to the processor and is used to store the final pressure value.
[0005] Some embodiments disclosed herein relate to a processor. The processor is coupled to a display panel. The processor is configured to generate a first output data based on a first input data and a first compensation value, generate a pressure reduction value and a compensation reduction value based on the first input data, calculate a final pressure value based on the first output data, at least one first operating factor, and the pressure reduction value, calculate a second compensation value based on the final pressure value and the compensation reduction value, and output a second output data based on a second input data, the second compensation value, and at least one second operating factor for the display panel to display based on the second output data.
[0006] In some embodiments, the processor is further configured to convert the first input data into a raw representative value of a region, multiply the raw representative value by a ratio to generate a final representative value, set a judgment value of the region as a starting value when the final representative value is less than a threshold value, calculate a display stop time when the judgment value remains at the starting value, and convert the display stop time into a pressure reduction value according to a lookup table.
[0007] In some embodiments, the processor is further configured to convert the first output data into a first pressure value according to a lookup table, multiply the first pressure value by at least one first operating factor to generate a second pressure value, and generate a final pressure value based on the second pressure value and a pressure reduction value. The final pressure value is less than the second pressure value.
[0008] In some embodiments, the processor is further configured to add the second pressure value to the pressure reduction value when the pressure reduction value is negative to generate the final pressure value.
[0009] In some embodiments, the processor is further configured to multiply the second pressure value by the pressure reduction value when the pressure reduction value is a positive value less than 1 to produce the final pressure value.
[0010] In some embodiments, the processor is further configured to convert the first input data into an original representative value of a region, multiply the original representative value by a ratio to generate a final representative value, set a judgment value of the region as a starting value when the final representative value is less than a threshold value, calculate a display stop time when the judgment value remains at the starting value, and convert the display stop time into a compensation reduction value according to a lookup table.
[0011] In some embodiments, the processor is further configured to convert the final pressure value into a third compensation value, and generate a second compensation value based on the third compensation value and a compensation reduction value. The second compensation value is less than the third compensation value.
[0012] In some embodiments, the processor is further configured to add the third compensation value to the compensation reduction value to generate a second compensation value when the compensation reduction value is a negative value.
[0013] In some embodiments, the processor is further configured to multiply the third compensation value by the compensation reduction value to produce a second compensation value when the compensation reduction value is a positive value less than 1.
[0014] Some embodiments disclosed herein relate to an image processing method. The image processing method includes the following operations: a processor generating a first output data based on a first input data and a first compensation value; the processor generating a pressure reduction value and a compensation reduction value based on the first input data; the processor calculating a final pressure value based on the first output data, at least one first operating factor, and the pressure reduction value; the processor calculating a second compensation value based on the final pressure value and the compensation reduction value; and the processor outputting a second output data based on a second input data, the second compensation value, and at least one second operating factor for display on a display panel.
[0015] In some embodiments, the processor generating a pressure reduction value based on the first input data includes: the processor converting the first input data into an original representative value of a region; the processor multiplying the original representative value by a ratio to generate a final representative value; the processor setting a judgment value of the region as a starting value when the final representative value is less than a threshold value; the processor calculating a display stop time when the judgment value remains at the starting value; and the processor converting the display stop time into a pressure reduction value based on a lookup table.
[0016] In some embodiments, the processor calculating the final pressure value based on first output data, at least one first operating factor, and a pressure reduction value includes: the processor converting the first output data into a first pressure value using a lookup table; the processor multiplying the first pressure value by at least one first operating factor to generate a second pressure value; and the processor generating the final pressure value based on the second pressure value and the pressure reduction value. The final pressure value is less than the second pressure value.
[0017] In some embodiments, generating a final pressure value by the processor based on a second pressure value and a pressure reduction value includes: adding the second pressure value to the pressure reduction value when the pressure reduction value is negative to generate the final pressure value.
[0018] In some embodiments, generating a final pressure value by the processor based on a second pressure value and a pressure reduction value includes: multiplying the second pressure value by the pressure reduction value when the pressure reduction value is a positive value less than 1 to generate the final pressure value.
[0019] In some embodiments, generating a compensation reduction value by the processor based on the first input data includes: converting the first input data into an original representative value of a region by the processor; multiplying the original representative value by a ratio by the processor to generate a final representative value; setting a judgment value of the region as a starting value by the processor when the final representative value is less than a threshold value; calculating a display stop time by the processor when the judgment value remains at the starting value; and converting the display stop time into a compensation reduction value by the processor based on a lookup table.
[0020] In some embodiments, the processor calculating the second compensation value based on the final pressure value and the compensation reduction value includes: the processor converting the final pressure value into a third compensation value; and the processor generating the second compensation value based on the third compensation value and the compensation reduction value. The second compensation value is less than the third compensation value.
[0021] In some embodiments, generating a second compensation value by the processor based on a third compensation value and a compensation reduction value includes: the processor adding the third compensation value to the compensation reduction value when the compensation reduction value is a negative value to generate the second compensation value.
[0022] In some embodiments, generating a second compensation value by the processor based on a third compensation value and a compensation reduction value includes: multiplying the third compensation value by the compensation reduction value when the compensation reduction value is a positive value less than 1 to generate the second compensation value. Attached Figure Description
[0023] To make the above and other objects, features, advantages and embodiments disclosed herein more apparent and understandable, the accompanying drawings are described below:
[0024] Figure 1 This is a schematic diagram of a display device illustrated according to some embodiments of the present disclosure;
[0025] Figure 2 This is a flowchart illustrating an image processing method based on some embodiments of the present disclosure;
[0026] Figure 3 This is a schematic diagram illustrating the operation of a reduction unit according to some embodiments of this disclosure;
[0027] Figure 4 This is a schematic diagram illustrating the execution of a start-stop determination based on some embodiments of this disclosure;
[0028] Figure 5 This is a schematic diagram illustrating the calculation of a display stop time based on some embodiments of this disclosure; and
[0029] Figure 6 This is a schematic diagram illustrating, based on some embodiments of the present disclosure, the conversion of the display stop time into a pressure reduction value or a compensation reduction value.
[0030] [Symbol Explanation]
[0031] 100: Processor
[0032] 110: Input Unit
[0033] 120: Reduction Unit
[0034] 130: Compensation Unit
[0035] 140: Output Unit
[0036] 150: Pressure value generation unit
[0037] 160: Storage Unit
[0038] 170: Pressure Compensation Conversion Unit
[0039] 200: Memory
[0040] 2000: Image Processing Methods
[0041] 300: Display panel
[0042] DD: Display device
[0043] IN1, IN2: Input data
[0044] OUT1, OUT2: Output data
[0045] C1, C2, C3: Compensation values
[0046] F1, F2: Operation factors
[0047] SR: Pressure Reduction Value
[0048] CR: Compensation Reduction Value
[0049] S1, S2: Pressure values
[0050] STRESS: Final pressure value
[0051] S210, S220, S230, S240, S250: Operation
[0052] CLK: Clock signal
[0053] OR: Original representative value
[0054] FR: Final Representative Value
[0055] FR_TH: Threshold value
[0056] D: Judgment value
[0057] R1, R2, R3: Regions
[0058] S: Proportion
[0059] FM1, FM2, FM3, FM4: Frames
[0060] DOT: Display stop time Detailed Implementation
[0061] The term "coupled" as used in this article can also refer to "electrical coupling," and the term "connection" can also refer to "electrical connection." "Coupled" and "connection" can also refer to two or more components cooperating or interacting with each other.
[0062] refer to Figure 1 . Figure 1 This is a schematic diagram of a display device DD illustrated according to some embodiments of the present disclosure.
[0063] by Figure 1For example, the display device DD includes a processor 100, memory 200, and a display panel 300. The processor 100 is coupled to the memory 200 and the display panel 300. The processor 100 may be implemented using a central processing unit (CPU), a microcontroller unit (MCU), or other circuitry with similar functionality. The memory 200 may be implemented using flash memory or other non-transitory memory. The display panel 300 may be an organic light-emitting diode (OLED) panel, a liquid crystal display (LCD) panel, a light-emitting diode (LED) panel, a mini-LED panel, a micro-LED panel, electronic paper, a plasma display panel, or another display panel.
[0064] by Figure 1 For example, processor 100 includes input unit 110, reduction unit 120, compensation unit 130, output unit 140, pressure value generation unit 150, storage unit 160, and pressure compensation conversion unit 170.
[0065] The input unit 110, reduction unit 120, compensation unit 130, output unit 140, pressure value generation unit 150, and pressure compensation conversion unit 170 can be implemented using application-specific integrated circuits (ASICs) or by the processor 100 executing one or more computer programs stored on a non-transitory computer-readable medium. The storage unit 160 can be implemented using static random access memory (SRAM).
[0066] refer to Figure 2 . Figure 2 This is a flowchart illustrating an image processing method 2000 according to some embodiments of the present disclosure.
[0067] by Figure 2 For example, image processing method 2000 includes operations S210, S220, S230, S240, and S250. In some embodiments, image processing method 2000 can be applied to Figure 1 The display device DD in the image processing method 2000 is used, but this disclosure is not limited thereto. For better understanding, the image processing method 2000 will be paired with... Figure 1 The following paragraphs will describe this.
[0068] In operation S210, processor 100 generates output data OUT1 based on input data IN1 and compensation value C1. For example, input unit 110 receives input data IN1 of an image. This image can be a still image or a moving image. Input data IN1 can be various types of data (e.g., gamma code) or various image values. Next, compensation unit 130 multiplies the compensation value C1 from pressure compensation conversion unit 170 with at least one operation factor F2, and adds the product to input data IN1 to generate output data OUT1. At least one operation factor F2 can be related to the display brightness value (DBV), driving frame rate, temperature, image loading value, or other parameters of display panel 300. In some embodiments, compensation unit 130 multiplies the compensation value C1 with multiple operation factors F2, and adds the product to input data IN1 to generate output data OUT1. Display panel 300 receives output data OUT1 to display based on output data OUT1.
[0069] In operation S220, processor 100 generates a pressure reduction value SR and a compensation reduction value CR based on input data IN1. Details regarding how the pressure reduction value SR and the compensation reduction value CR are generated based on input data IN1 will be provided in later paragraphs. Figures 3 to 6 The following description is provided. When a region is not always in the display-on state within a time interval, the pressure reduction value SR and compensation reduction value CR corresponding to this region can be a negative value or a positive value less than 1. When a region is always in the display-on state within a time interval, the pressure reduction value SR and compensation reduction value CR corresponding to this region can be 0 or 1.
[0070] In operation S230, the processor 100 calculates a final pressure value STRESS based on output data OUT1, at least one operation factor F1, and a pressure reduction value SR. For example, the pressure value generation unit 150 converts the output data OUT1 into a pressure value S1 according to a lookup table. Then, the pressure value generation unit 150 multiplies the pressure value S1 by at least one operation factor F1 to generate a pressure value S2, and generates the final pressure value STRESS based on the pressure value S2 and the pressure reduction value SR. The at least one operation factor F1 may be related to the display brightness value, drive frame rate, temperature, image load value, or other parameters of the display panel 300. In some embodiments, the pressure value generation unit 150 multiplies the pressure value S1 by multiple operation factors F1 to generate the pressure value S2.
[0071] As described above, when a region is not always in the display-on state within a time interval, the pressure reduction value SR can be a negative value or a positive value less than 1. When the pressure reduction value SR is negative, the pressure value generation unit 150 adds the pressure value S2 to the pressure reduction value SR to generate the final pressure value STRESS. When the pressure reduction value SR is a positive value less than 1, the pressure value generation unit 150 multiplies the pressure value S2 to the pressure reduction value SR to generate the final pressure value STRESS. When a region is always in the display-on state within a time interval, the pressure reduction value SR corresponding to this region can be 0 or 1. When the pressure reduction value SR is 0, the pressure value generation unit 150 adds the pressure value S2 to the pressure reduction value SR to generate the final pressure value STRESS. When the pressure reduction value SR is 1, the pressure value generation unit 150 multiplies the pressure value S2 to the pressure reduction value SR to generate the final pressure value STRESS. In other words, the final pressure value STRESS will be less than or equal to the pressure value S2. Next, the final pressure value STRESS is stored and accumulated in storage unit 160.
[0072] Storage unit 160 can store the final stress value STRESS into memory 200. As described above, memory 200 can be implemented using non-transitory memory. Storage unit 160 can read the data or values stored in memory 200 after the display device DD or processor 100 is restarted.
[0073] In operation S240, processor 100 calculates compensation value C2 based on the final pressure value STRESS and the compensation reduction value CR. For example, pressure compensation conversion unit 170 converts the final pressure value STRESS into compensation value C3 based on a lookup table. Then, pressure compensation conversion unit 170 generates compensation value C2 based on compensation value C3 and compensation reduction value CR.
[0074] As described above, when a region is not always in the display on state within a time interval, the compensation reduction value CR corresponding to this region can be a negative value or a positive value less than 1. When the compensation reduction value CR is negative, the pressure compensation conversion unit 170 adds the compensation value C3 to the compensation reduction value CR to generate the compensation value C2. When the compensation reduction value CR is a positive value less than 1, the pressure compensation conversion unit 170 multiplies the compensation value C3 to the compensation reduction value CR to generate the compensation value C2. When a region is always in the display on state within a time interval, the compensation reduction value CR corresponding to this region can be 0 or 1. When the compensation reduction value CR is 0, the pressure compensation conversion unit 170 adds the compensation value C3 to the compensation reduction value CR to generate the compensation value C2. When the compensation reduction value CR is 1, the pressure compensation conversion unit 170 multiplies the compensation value C3 to the compensation reduction value CR to generate the compensation value C2. In other words, the compensation value C2 will be less than or equal to the compensation value C3. Then, the pressure compensation conversion unit 170 outputs the compensation value C2 to the compensation unit 130.
[0075] In operation S250, processor 100 outputs output data OUT2 based on input data IN2, compensation value C2, and at least one operation factor F2 for display on display panel 300. For example, input unit 110 receives input data IN2. Input data IN2 may be the next frame, but this disclosure is not limited thereto. Next, compensation unit 130 multiplies compensation value C2 with at least one operation factor F2 and adds the product to input data IN2 to generate output data OUT2. Display panel 300 receives output data OUT2 for display.
[0076] As mentioned above, the details of how to generate the pressure reduction value SR and the compensation reduction value CR based on the input data IN1 will be explained in later paragraphs. Figures 3 to 6 Describe it.
[0077] refer to Figure 3 . Figure 3 This is a schematic diagram illustrating the operation of the reduction unit 120 according to some embodiments of this disclosure.
[0078] by Figure 3 For example, the reduction unit 120 receives input data IN1. Then, the reduction unit 120 performs a start / stop determination based on the input data IN1 and at least one operation factor F2 to generate a starting value. (See reference...) Figure 4 . Figure 4 This is a schematic diagram illustrating the execution of a start-stop determination based on some embodiments of this disclosure.
[0079] by Figure 4For example, the input data IN1 is divided into one or more regions. Each region contains a sub-pixel, a strip of multiple sub-pixels with the same starting voltage range, or a block of multiple sub-pixels with the same starting voltage range. For example, the red sub-pixels have a first starting voltage range, the green sub-pixels have a second starting voltage range, and the blue sub-pixels have a third starting voltage range. Next, the reduction unit 120 converts the input data IN1 in a region into the original representative value OR of that region. The original representative value OR can be the maximum, minimum, or average value of the grayscale value, gamma code, saturation value, hue value, brightness value, voltage, or current of the sub-pixels in a region with the same starting voltage range. For example, the original representative value OR of region R1 is 192, and 192 can be the average grayscale value of the red sub-pixels in region R1. Other regions and other sub-pixels with the same starting voltage range operate similarly, and therefore will not be described further here.
[0080] Next, the reduction unit 120 multiplies the original representative value OR of this region by the ratio S to produce the final representative value FR. For example, the reduction unit 120 multiplies 192 (the original representative value OR of region R1) by 0.5 (ratio S) to obtain 96 (the final representative value FR of region R1). In some embodiments, the ratio S can be determined by multiplying multiple sub-ratios. These sub-ratios can be obtained by converting the aforementioned operating factors F2 (e.g., display brightness value, drive frame rate, temperature, image load value, or other parameters of the display panel 300) using multiple conversion curves.
[0081] Next, when the final representative value FR is less than the threshold value FR_TH, the reduction unit 120 sets the judgment value D of this region to a starting value. Assume the threshold value FR_TH is 50. Figure 4 For example, since the final representative value FR of region R2 is less than 50, the judgment value D of region R2 is a starting value of 0. A starting value of 0 indicates that region R2 is in a display off state (e.g., the subpixels in region R2 are off, in a dark state, or in a light-load state), and the reduction unit 120 begins recording the display off time (DOT). Conversely, since the final representative value FR of region R1 is not less than 50, the judgment value D of region R1 is set to a stop value of 1. A stop value of 1 indicates that region R1 is in a display on state (e.g., the subpixels in region R1 are on, in a bright state, or in a heavy-load state), and the reduction unit 120 stops recording the display off time DOT.
[0082] Refer again Figure 3 The reduction unit 120 calculates and stores the aforementioned display stop time DOT based on the clock signal CLK. (See reference...) Figure 5 . Figure 5 This is a schematic diagram illustrating the calculation and display of the stopping time (DOT) according to some embodiments of this disclosure. Figure 5 For example, the operation of setting the judgment value D can be performed once per frame (e.g., the clock signal CLK corresponds to one frame). Taking region R3 as an example, the judgment value D of region R3 remains at the initial value of 0 in the first frame FM1 and the second frame FM2, but the judgment value D of region R3 turns to the stop value of 1 in the third frame FM3 and the fourth frame FM4. Thus, the display stop time DOT of region R3 is recorded as 2 (e.g., the first frame FM1 and the second frame FM2). It should be noted that the operation of setting the judgment value D and calculating the display stop time DOT is not limited to the number of frames. In some other embodiments, these operations can be performed once per second, per minute, per hour, or every other time unit (e.g., the clock signal CLK corresponds to one second, one minute, one hour, or one other time unit).
[0083] In some embodiments, the display stop time DOT can be stored in a storage circuit that can access or be accessed by the processor 100. When the processor 100 is off, this storage circuit can store the display stop time DOT. When the processor 100 is on, the display stop time DOT is transmitted to a back-end module or a back-end circuit for subsequent operations (e.g., illustrated in...). Figure 6 ).
[0084] Refer again Figure 3 The reduction unit 120 performs the transformation operation based on at least one lookup table. (See reference) Figure 6 . Figure 6 This is a schematic diagram illustrating the conversion of the display stop time DOT into a pressure reduction value SR or a compensation reduction value CR, based on some embodiments of this disclosure. Figure 6 For example, the reduction unit 120 can convert the display stop time DOT to a pressure reduction value SR according to a lookup table (corresponding to a conversion curve), and convert the display stop time DOT to a compensation reduction value CR according to another lookup table (corresponding to another conversion curve). Subpixels with different starting voltage ranges (e.g., red subpixels, green subpixels, and blue subpixels each have different starting voltage ranges) correspond to different conversion curves. In some embodiments, the lookup table can be established according to the operating mode. For example, a first operating mode is used to compensate the brightness value of the area to the original brightness value of the area, a second operating mode is used to compensate the brightness value of the area to align with the brightness value corresponding to the minimum pressure value (the brightness value corresponding to the minimum pressure value is not compensated), and a third operating mode is used to compensate the brightness value of the area to align with the brightness value corresponding to the maximum pressure value (the brightness value corresponding to the maximum pressure value is not compensated).
[0085] In practical applications, when a static or dynamic image is displayed after a subpixel has been displayed for a period of time, the brightness of those subpixels will decrease. However, due to differences in subpixel characteristics (e.g., different manufacturing processes or materials), different subpixel locations (e.g., different temperatures or humidity levels), or different lighting times, different subpixels will exhibit varying degrees of attenuation. These varying degrees of attenuation will result in uneven brightness or color shifts when displaying subsequent images.
[0086] In some related technologies, compensation methods, such as burn-in compensation, have been developed to address the aforementioned problems. However, these methods do not take into account the display downtime of subpixels. Generally, when a subpixel is turned on again after a display downtime, its brightness decreases slightly. Therefore, without considering the display downtime, these compensation methods will overcompensate. In these related technologies, the values stored in storage units or memory will be maintained or increased.
[0087] Compared to the aforementioned related technologies, this disclosure takes into account the display stop time (DOT) of subpixels and converts the display stop time DOT into a pressure reduction value (SR) or a compensation reduction value (CR). As a result, the value stored in storage unit 160 or memory 200 will decrease. This disclosure avoids overcompensation, thus achieving better compensation and display effect.
[0088] In some embodiments, the reduction unit 120 may only convert the display stop time DOT to the pressure reduction value SR but not the display stop time DOT to the compensation reduction value CR. In some embodiments, the reduction unit 120 may only convert the display stop time DOT to the compensation reduction value CR but not the display stop time DOT to the pressure reduction value SR. In some embodiments, the reduction unit 120 may convert both the display stop time DOT to the pressure reduction value SR and the compensation reduction value CR.
[0089] In summary, this disclosure achieves a better compensation effect and a better display effect.
[0090] Although this disclosure has been described above with reference to embodiments, it is not intended to limit this disclosure. Any person skilled in the art can make various modifications and refinements without departing from the spirit and scope of this disclosure. Therefore, the scope of protection of this disclosure shall be determined by the scope defined in the appended claims.
Claims
1. A display device, characterized in that, Include: A display panel; and A processor, coupled to the display panel, is configured to generate first output data based on a first input data and a first compensation value, generate a pressure reduction value and a compensation reduction value based on the first input data, calculate a final pressure value based on the first output data, at least one first operating factor, and the pressure reduction value, calculate a second compensation value based on the final pressure value and the compensation reduction value, and output second output data based on a second input data, the second compensation value, and at least one second operating factor. The display panel receives the second output data and displays it accordingly. The processor is further configured to convert the first input data into a raw representative value of a region, multiply the raw representative value by a ratio to generate a final representative value, set a judgment value of the region as a starting value when the final representative value is less than a threshold value, calculate a display stop time when the judgment value remains at the starting value, and convert the display stop time into the pressure reduction value or the compensation reduction value according to a lookup table.
2. The display device according to claim 1, characterized in that, Also includes: A memory, coupled to the processor, is used to store the final pressure value.
3. A processor coupled to a display panel, characterized in that, The processor is configured to generate a first output data based on a first input data and a first compensation value, generate a pressure reduction value and a compensation reduction value based on the first input data, calculate a final pressure value based on the first output data, at least one first operating factor, and the pressure reduction value, calculate a second compensation value based on the final pressure value and the compensation reduction value, and output a second output data based on a second input data, the second compensation value, and at least one second operating factor for display on the display panel. The processor is further configured to convert the first input data into a raw representative value of a region, multiply the raw representative value by a ratio to generate a final representative value, set a judgment value of the region as a starting value when the final representative value is less than a threshold value, calculate a display stop time when the judgment value remains at the starting value, and convert the display stop time into the pressure reduction value or the compensation reduction value according to a lookup table.
4. The processor according to claim 3, characterized in that, The processor converts the display stop time into the pressure reduction value.
5. The processor according to claim 3, characterized in that, The processor further converts the first output data into a first pressure value according to a lookup table, multiplies the first pressure value by the at least one first operating factor to generate a second pressure value, and generates the final pressure value based on the second pressure value and the pressure reduction value. The final pressure value is less than the second pressure value.
6. The processor according to claim 5, characterized in that, The processor is further used to add the second pressure value to the pressure reduction value when the pressure reduction value is negative to generate the final pressure value.
7. The processor according to claim 5, characterized in that, The processor is further used to multiply the second pressure value by the pressure reduction value when the pressure reduction value is a positive value less than 1 to generate the final pressure value.
8. The processor according to claim 3, characterized in that, The processor converts the display stop time into the compensation reduction value.
9. The processor according to claim 3, characterized in that, The processor is further used to convert the final pressure value into a third compensation value, and to generate the second compensation value based on the third compensation value and the compensation reduction value. The second compensation value is less than the third compensation value.
10. The processor according to claim 9, characterized in that, The processor is further configured to add the third compensation value to the compensation reduction value when the compensation reduction value is negative to generate the second compensation value.
11. The processor according to claim 9, characterized in that, The processor is further configured to multiply the third compensation value by the compensation reduction value when the compensation reduction value is a positive value less than 1 to generate the second compensation value.
12. An image processing method, characterized in that, Include: A processor generates a first output data based on a first input data and a first compensation value; The processor generates a pressure reduction value and a compensation reduction value based on the first input data, including: The processor converts the first input data into a raw representative value for a region; The processor multiplies the original representative value by a ratio to produce a final representative value; When the final representative value is less than a threshold value, the processor sets a judgment value for the region as a starting value. The processor calculates a display stop time while the determined value remains at the initial value; as well as The processor converts the displayed stop time into the pressure reduction value or the compensation reduction value based on a lookup table. The processor calculates a final pressure value based on the first output data, at least one first operating factor, and the pressure reduction value. The processor calculates a second compensation value based on the final pressure value and the compensation reduction value; as well as The processor outputs a second output data based on a second input data, the second compensation value, and at least a second operating factor for display on a display panel.
13. The image processing method according to claim 12, characterized in that, The processor uses the lookup table to convert the display stop time into the pressure reduction value.
14. The image processing method according to claim 12, characterized in that, The calculation of the final pressure value by the processor based on the first output data, the at least one first operating factor, and the pressure reduction value includes: The processor converts the first output data into a first pressure value according to a lookup table; The processor multiplies the first pressure value by the at least one first operating factor to generate a second pressure value; as well as The processor generates the final pressure value based on the second pressure value and the pressure reduction value. The final pressure value is less than the second pressure value.
15. The image processing method according to claim 14, characterized in that, The final pressure value generated by the processor based on the second pressure value and the pressure reduction value includes: When the pressure reduction value is negative, the processor adds the second pressure value to the pressure reduction value to generate the final pressure value.
16. The image processing method according to claim 14, characterized in that, The final pressure value generated by the processor based on the second pressure value and the pressure reduction value includes: The processor multiplies the second pressure value by the pressure reduction value when the pressure reduction value is a positive value less than 1 to produce the final pressure value.
17. The image processing method according to claim 12, characterized in that, The processor converts the display stop time into the compensation reduction value based on the lookup table.
18. The image processing method according to claim 12, characterized in that, The second compensation value, calculated by the processor based on the final pressure value and the compensation reduction value, includes: The processor converts the final pressure value into a third compensation value; and The processor generates the second compensation value based on the third compensation value and the compensation reduction value. The second compensation value is less than the third compensation value.
19. The image processing method according to claim 18, characterized in that, The second compensation value, generated by the processor based on the third compensation value and the compensation reduction value, includes: When the compensation reduction value is negative, the processor adds the third compensation value to the compensation reduction value to generate the second compensation value.
20. The image processing method according to claim 18, characterized in that, The second compensation value, generated by the processor based on the third compensation value and the compensation reduction value, includes: The processor multiplies the third compensation value by the compensation reduction value when the compensation reduction value is a positive value less than 1 to generate the second compensation value.
Citation Information
Patent Citations
Image processing system
TW202147277A
Compensation systems and methods for OLED display degradation
US20220157237A1