Signal optimization device, method and display panel

Abstract

The present application belongs to the field of display technology, and in particular relates to a signal optimization device, method, and display panel. The device includes a control module, a sensing module, and a comparison module; the output end of the sensing module is connected to the input end of the comparison module, and the output end of the comparison module is connected to the input end of the control module; the control module is used to send a debugging signal to the drive circuit of the display panel; the sensing module is used to sense the debugging signal, generate an induced voltage, and output it to the comparison module; the comparison module is used to compare the induced voltage with a preset voltage corresponding to the drive circuit, and output the comparison result to the control module; the control module is also used to adjust the amplitude of the debugging signal according to the comparison result, so that the difference between the induced voltage and the preset voltage is within a preset range. The embodiments of the present application improve the adaptability to environmental changes, thereby being able to cope with more complex operating environments, ensuring the quality of signal transmission, and achieving signal optimization of the display panel.

Description

Technical Field

[0001] The present application belongs to the field of display technology, and in particular relates to a signal optimization device, method and display panel. Background Art

[0002] When a display panel's control board and screen use a driving circuit for data transmission, differential signals are usually used to reduce interference and improve signal integrity. Even so, the signal will still experience attenuation during long-distance transmission. To combat signal attenuation, the existing technology performs pre-emphasis processing on the signal before it is sent, that is, the amplitude of the high-frequency part of the signal is enhanced to compensate for the expected transmission loss. At the same time, the swing amplitude of the signal is adjusted to ensure that the receiving end can distinguish the signal more clearly. The driving circuit at the receiving end is usually equipped with an equalizer to "reinforce" the attenuated signal, restore the original form of the signal, and ensure the correct decoding and display quality of the data.

[0003] Existing pre-emphasis settings are usually debugged once based on specific environmental conditions (such as temperature 25°C and humidity 30%). However, in actual application environments, especially consumer electronics products, they may face a wider range of temperature and humidity changes. Under high temperature and high humidity conditions (for example, 60°C and 90% humidity), material properties, circuit impedance, etc. may change, resulting in the previously adjusted pre-emphasis and swing amplitude parameters no longer being optimal, and the signal transmission quality deteriorating. When the signal quality drops to a certain level due to environmental changes, the drive circuit may not be able to correctly identify and process the received signal, resulting in its "loss of lock" phenomenon, which manifests as flickering or other display anomalies on the screen, affecting the user experience.

[0004] In summary, although existing pre-emphasis and equalization technologies effectively improve the quality of signal transmission, they are not adaptable enough to environmental changes and cannot cope with more complex operating environments. Summary of the Invention

[0005] In view of this, the embodiments of the present application provide a table signal optimization device, method and display panel to solve the problem that when using existing pre-emphasis and equalization technologies to optimize signals, the existing pre-emphasis and equalization technologies are not adaptable enough to environmental changes and cannot cope with more complex operating environments.

[0006] A first aspect of an embodiment of the present application provides a signal optimization device, applied to a display panel, the signal optimization device comprising a control module, a sensing module, and a comparison module;

[0007] The output end of the sensing module is connected to the input end of the comparison module, and the output end of the comparison module is connected to the input end of the control module;

[0008] The control module is used to send a debugging signal to the driving circuit of the display panel;

[0009] The sensing module is used to sense the debugging signal, generate an induced voltage, and output the induced voltage to the comparison module;

[0010] The comparison module is used to compare the induced voltage with a preset voltage corresponding to the driving circuit, and output the comparison result to the control module;

[0011] The control module is further configured to adjust the amplitude of the debugging signal according to the comparison result so that the difference between the induced voltage and the preset voltage is within a preset range.

[0012] A second aspect of the embodiments of the present application provides a signal optimization method, which is applied to a display panel and implemented based on the signal optimization device according to the first aspect of the embodiments of the present application. The method includes the following steps performed by the control module:

[0013] sending a debugging signal to the driving circuit;

[0014] adjusting the amplitude of the debugging signal according to the comparison result so that the difference between the induced voltage and the preset voltage is within a preset range;

[0015] The sensing module is used to sense the debugging signal, generate an induced voltage, and output the induced voltage to the comparison module;

[0016] The comparison module is used to compare the induced voltage with a preset voltage corresponding to the driving circuit, and output a comparison result to the control module.

[0017] A third aspect of the embodiments of the present application provides a display panel, comprising the signal optimization device as described in the first aspect of the embodiments of the present application.

[0018] The signal optimization device provided in the first aspect of an embodiment of the present application is applied to a display panel, and the signal optimization device includes a control module, a sensing module and a comparison module; the output end of the sensing module is connected to the input end of the comparison module, and the output end of the comparison module is connected to the input end of the control module; the control module is used to send a debugging signal to the driving circuit of the display panel; the sensing module is used to sense the debugging signal, generate an induced voltage, and output it to the comparison module; the comparison module is used to compare the induced voltage with the preset voltage corresponding to the driving circuit, and output the comparison result to the control module; the control module is also used to adjust the amplitude of the debugging signal according to the comparison result, so that the difference between the induced voltage and the preset voltage is within a preset range, thereby improving the adaptability to environmental changes, so that it can cope with more complex operating environments, ensure the quality of signal transmission, and realize signal optimization of the display panel.

[0019] It can be understood that the beneficial effects of the second and third aspects mentioned above can be found in the relevant description of the first aspect mentioned above, and will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0021] Figure 1 This is a structural diagram of a signal optimization device provided in one embodiment of the present application;

[0022] Figure 2 This is a structural diagram of a signal optimization device provided in another embodiment of the present application;

[0023] Figure 3 This is a structural diagram of a signal optimization device provided in another embodiment of the present application;

[0024] Figure 4 This is a flow chart of a signal optimization method provided by an embodiment of the present application;

[0025] Figure 5 This is a flow chart of a signal optimization method provided by another embodiment of the present application;

[0026] Figure 6 This is a flow chart of a signal optimization method provided by another embodiment of the present application;

[0027] Figure 7This is a flow chart of a signal optimization method provided in another embodiment of the present application.

[0028] In the figure: 10-signal optimization device, 11-sensing module, 12-comparison module, 121-sensing device, 122-first circuit board layer, 123-second circuit board layer, 13-control module, 14-control board, 15-flexible flat cable, 16-horizontal circuit board, 17-driver chip, 18-differential monitoring point, 19-equalizer, 20-driver circuit DETAILED DESCRIPTION

[0029] In order to help those skilled in the art better understand the present invention, the following will clearly describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work should fall within the scope of protection of the present invention.

[0030] The terms "comprising" and "including" and any variations thereof in the specification and claims of this application and the accompanying drawings are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units that are not listed, or may optionally include other steps or units that are inherent to the process, method, product, or device. In addition, the terms "first," "second," and "third," etc. are used to distinguish different objects, not to describe a specific order.

[0031] Example 1

[0032] like Figure 1 As shown, the embodiment of the present application provides a signal optimization device 10, including a control module 13, a sensing module 11 and a comparison module 12;

[0033] The output end of the sensing module 11 is connected to the input end of the comparison module 12 , and the output end of the comparison module 12 is connected to the input end of the control module 13 ;

[0034] The control module 13 is used to send a debugging signal to the driving circuit 20 of the display panel during the startup phase;

[0035] The sensing module 11 is used to sense the debugging signal, generate an induced voltage, and output it to the comparison module 12;

[0036] The comparison module 12 is used to compare the induced voltage with the preset voltage corresponding to the driving circuit 20, and output the comparison result to the control module 13;

[0037] The control module 13 is further configured to adjust the amplitude of the debugging signal according to the comparison result so that the difference between the induced voltage and the preset voltage is within a preset range.

[0038] In practice, the signal optimization device 10 is applied to a display panel to optimize the signal output from the control board to the driver IC (D-IC) in the display panel. The display panel can be any of a liquid crystal display panel (LCD), a thin film transistor liquid crystal display panel (TFT-LCD), an organic light emitting diode display panel (OLED), a quantum dot light emitting diode panel (QLED), and a micro light emitting diode panel (Micro LED).

[0039] In applications, the control module 13 may be implemented by a timing controller (TCON). Alternatively, it may be implemented by a system-on-chip (SoC) with integrated TCON functionality, a touch and display driver integration (TDDI), a chip on film (COF) or a chip on glass (COG), a programmable logic device (such as an FPGA), or an ASIC.

[0040] In applications, the sensing module 11 utilizes highly sensitive sensor technology, such as capacitive, photoelectric, or electromagnetic induction, to accurately capture subtle changes caused by the debug signal and convert them into a quantifiable induced voltage. For example, the sensing module 11 may sense the effect of temperature on signal transmission, reflect this effect in the form of an electric potential, and output the result in the form of an induced voltage. The sensing module 11 may be a combination of any one or more hardware circuits and sensors.

[0041] In applications, the driving circuit 20 is an integrated circuit, such as a panel driver chip, used to provide driving signals to pixels on a panel to control the brightness and color of the pixels so as to correctly display images.

[0042] In practice, comparison module 12 can be a voltage comparator integrated circuit, used to compare the sensed voltage with an expected standard voltage or a series of reference voltages in real time. Through this comparative analysis, the comparison module can quickly identify any deviations from the normal range, including signal delays, distortion, insufficient strength, and other issues, thereby providing accurate data support for subsequent tuning. Furthermore, the comparison module may also integrate signal amplification and filtering functions to enhance detection accuracy and stability, ensuring an efficient and accurate debugging process.

[0043] In use, the control module 13 sends a debug signal to the display panel's driver circuit 20 at each startup or during a set debugging phase. The default gear is one of multiple preset gears in the control module 13, such as the 10th gear. The number of preset gears can be several, a dozen, or even dozens, depending on the specific needs. Different gears have different amplitude adjustment levels, and the size of the gear is positively correlated with the amplitude of the debug signal. The debug signal is a signal that contains multiple instructions and parameters and fluctuates between high and low levels. It is intended to perform comprehensive and detailed testing and calibration of the display panel's performance, including at least one of brightness adjustment, color consistency verification, and response time testing. The comparison module 12 can store only one preset voltage, which corresponds to the currently connected driver circuit. The comparison module 12 can also store multiple preset voltages, each corresponding to a driver circuit. When a driver circuit is connected, the comparator selects the preset voltage corresponding to the connected driver circuit from the stored multiple preset voltages as the preset voltage for comparison. By comparing the induced voltage with the preset voltage and then adjusting the amplitude of the debugging signal according to the comparison result, the size of the induced voltage is positively correlated with the amplitude of the debugging signal. Therefore, by adjusting the amplitude of the debugging signal (achieved by adjusting the gear), the difference between the induced voltage and the preset voltage can be made within the preset range, that is, the induced voltage is close to the preset voltage.

[0044] In the embodiments of the present application, a sensing module is provided to convert the effect of ambient temperature on signal transmission into an induced voltage output. This allows identification of significant temperature fluctuations, causing the signal to fail to meet the operating requirements of the drive circuit, through the induced voltage. By comparing the induced voltage with a preset voltage through a comparator and adjusting the level of the debug signal, the induced voltage can be brought close to the preset voltage, thereby determining the level of the debug signal suitable for the drive circuit under the current ambient temperature. After the display panel is powered on, this level is used as the level at which the control module outputs the display signal to the drive circuit. This prevents excessive signal attenuation from failing to meet the operating requirements of the drive circuit, and also avoids overcompensation caused by excessive signal strength.

[0045] The equalizer (EQ) of the prior art sets different gears to solve the problem of signal loss of lock, but once it enters the formal mass production stage, these gears are fixed and can only adapt to environmental conditions within a specific range. Therefore, when the ambient temperature in actual use exceeds the preset range, the device cannot automatically adjust to maintain optimal performance, which may result in a signal that is too weak or too strong. In contrast, the method provided in the embodiment of the present application monitors the changes in ambient temperature through a sensing module, and dynamically adjusts the gear of the debugging signal accordingly, so that the system can adaptively adjust to the working state that is most suitable for the current environment. This method not only enhances the flexibility and robustness of the system, ensuring that good signal transmission quality can be maintained regardless of how the environment changes, but also extends the service life of the product and reduces the failure rate caused by environmental factors. Therefore, compared with the traditional fixed gear solution, this solution provides a more intelligent and efficient temperature compensation mechanism, which improves the overall display effect and user experience. In one embodiment, if Figure 2 As shown, the sensing module 11 includes a sensing device 121, a first circuit board layer 122 and a second circuit board layer 123 which are stacked in sequence;

[0046] The first circuit board layer 122 is provided with a signal transmission line, and the sensing device 121 is a conductive device and is connected to the input terminal of the comparison module 12;

[0047] The signal transmission line is used to transmit the debugging signal sent by the control module 13 to the driving circuit 20;

[0048] The sensing device 121 is used to sense the debugging signal, generate an induced voltage, and output the induced voltage to the comparison module 12 .

[0049] In applications, the first circuit board layer 122 and the second circuit board layer 123 are two layers of a multi-layered circuit board design for a display panel. First circuit board layer 122 is a circuit board layer arranged with signal transmission lines, while second circuit board layer 123 is a circuit board layer above first circuit board layer 122. Sensing device 121 is a conductive device, such as a copper sheet. Although there is no direct electrical connection between sensing device 121 and first circuit board layer 122, the small distance between them and the presence of insulating material (first circuit board layer 122) form a flat plate capacitor, generating an elevated potential, or induced voltage, across sensing device 121. The capacitance of a flat plate capacitor is calculated as: C = kS / d, where k is the dielectric constant, S is the area of ​​the two opposing plates, and d is the distance between the two plates. For a given area and distance between the two plates, capacitance varies with changes in the dielectric constant. The dielectric constant of the material can change due to ambient temperature and humidity, causing the capacitance of the flat plate capacitor to change, resulting in changes in the induced voltage. This induced voltage can be used to detect environmental changes. The comparison module 12 is connected to the induction device 121 , and the induction voltage is used as an input voltage signal of the comparison module 12 for comparison with an internally stored preset voltage.

[0050] This embodiment leverages the characteristics of the circuit board's insulation material and multi-layer structure. By placing a conductive device on the upper circuit layer of the signal transmission layer to form a flat-plate capacitor, it converts environmental changes into induced voltages through capacitive coupling. This quantifies the environmental changes and provides a data foundation for dynamic tuning of the transmission signal. This design is simple in structure, eliminates the need for complex detection devices, and requires minimal structural changes to the circuit, making it easy to implement.

[0051] In one embodiment, Figure 3 As shown, a differential monitoring point 18 is set on a horizontal circuit board 16 (PCB), and an induced voltage signal is fed back to a control module 13 (such as TCON), so that the control module 13 dynamically adjusts the amplitude of the output differential signal.

[0052] In use, the differential signal output by the timing controller (TCON) is input to a control board 14 (CB). A flexible flat cable 15 (FFC) connects the control board 14 (CB) to a horizontal circuit board 16 (XB), transmitting the differential signal from the control board 14 to the horizontal circuit board 16 (XB). The signal is then transmitted via the horizontal circuit board 16 to the display panel's driver chip 17 (driver IC), typically mounted on a chip-on-film (COF). The equalizer (EQ) module adjusts the driver chip's operating gain to a fixed level based on a preset EQ level, thereby achieving gain and compensation for the received signal (the degree of gain and compensation is positively correlated with the level), compensating for signal transmission attenuation and improving signal quality. Among them, the differential signal will attenuate during the process of being transmitted from the control module 13 to the horizontal circuit board 16, especially under the influence of environmental factors (such as temperature), which may cause the signal to attenuate too strongly, resulting in the signal being unable to fall into the range corresponding to the optimal display effect when it is actually transmitted at the originally preset gear and reaches the driver chip 17. In response to the above phenomenon, the embodiment of the present application sets a differential monitoring point (realized by the sensing device 121 and the comparison module 12) on the upper circuit board layer (i.e., the second circuit board layer 123) of the horizontal circuit board 16 for transmitting differential signals, and feeds back the induced voltage generated by the differential signal transmission to the timing controller (i.e., the control module 13). When the signal transition attenuates and fails to reach the interval corresponding to the optimal display effect, it is reflected as a low induced voltage at the differential monitoring point (specifically, lower than the preset voltage corresponding to the optimal gear of the current driving circuit). At this time, the control module 13 increases the voltage amplitude of the output debugging signal according to the feedback signal (which can be a level signal, such as a low-level signal), that is, increases the gear. For example, the originally preset gear 1 can be adjusted to gear 2, so that the differential signal, even if it experiences attenuation during transmission, can still fall into the interval corresponding to the optimal display effect when it reaches the driving chip 17, thereby ensuring the best display effect.

[0053] The embodiment of the present application sets a differential monitoring point on the horizontal circuit board 16, and uses a sensing device and a comparison module to monitor the attenuation of the signal during transmission in real time. It can automatically adjust the signal gain according to environmental changes (such as temperature), thereby ensuring that the signal can maintain the best display effect even when it reaches the driver chip 17 after a long distance transmission. This adaptive adjustment mechanism not only overcomes the problem that the traditional fixed EQ gear solution cannot cope with the problem of signal quality degradation caused by changes in environmental factors, but also significantly improves the stability and reliability of the system, reduces image quality problems caused by signal attenuation, and ultimately provides users with a clearer and more stable visual experience. In addition, this method can also simplify the debugging process, reduce the need for manual intervention, reduce production costs and maintenance difficulties, and provide a wider range of application scenarios for display devices. In one embodiment, the control module is specifically used to:

[0054] If the comparison result shows that the induced voltage is greater than the preset voltage, the gear of the debugging signal is reduced;

[0055] If the comparison result shows that the induced voltage is less than the preset voltage, the gear of the debugging signal is increased;

[0056] Among them, the size of the gear is positively correlated with the amplitude of the debugging signal.

[0057] In application, when the induced voltage is greater than the preset voltage, it means that the influence of the debugging signal exceeds expectations, which may cause the display effect to be too strong or the system to respond excessively. At this time, the control system will receive feedback information from the comparison module and instruct the control module 13 to reduce the gear of the debugging signal accordingly. The "gear reduction" here actually means that the amplitude of the debugging signal will be lowered, which may be achieved by lowering the voltage level, weakening the signal strength, or adjusting the signal period. This adjustment is intended to make fine corrections so that the final display effect is close to the ideal state and avoid overshoot.

[0058] In application, when the induced voltage is less than the preset voltage, it indicates that the debugging signal is insufficient to support the attenuation of signal transmission, thereby failing to meet the normal operation requirements of the driving circuit. At this time, the control module 13 will also receive a feedback instruction, but in contrast to the previous case, it will increase the gear of the debugging signal. Increasing the gear means increasing the amplitude of the debugging signal, which may be achieved by increasing the voltage amplitude, increasing the signal power, or shortening the signal period, so as to enhance the effect of the signal so that it can more fully drive the display panel.

[0059] In one embodiment, the control module is further configured to:

[0060] If the current comparison result is that the induced voltage is less than the preset voltage, and the previous comparison result is that the induced voltage is greater than the preset voltage, the current gear of the debugging signal is reduced by the first preset gear, and the new gear is used as the gear for the control module to output the display signal to the drive circuit during operation;

[0061] If the current comparison result is that the induced voltage is greater than the preset voltage, and the previous comparison result is that the induced voltage is less than the preset voltage, the current gear of the debugging signal is increased by a second preset gear, and the new gear is used as the gear for the control module to output the display signal to the drive circuit during operation;

[0062] If the current comparison result is that the induced voltage is equal to the preset voltage, the current gear position of the debugging signal is used as the gear position of the display signal output by the control module to the drive circuit during operation.

[0063] In application, if the currently detected induced voltage is lower than a preset voltage, and the induced voltage was higher than the preset voltage during the previous detection, this indicates that the previous adjustment step was excessive. The system responds quickly by reducing the current level of the debugging signal by a first preset level. This is used to quickly correct overshoot. The reduced level then becomes the new operating level, used by the control module to output a display signal to the drive circuit. The first preset level can be one, two, or another level, and this embodiment does not limit the number of first preset levels.

[0064] In an application, if the current sensed voltage is higher than the preset voltage and the previous comparison result is lower than the preset voltage, indicating that the previous reduction was too drastic, the debug signal level is increased by a second preset level to ensure timely enhancement of the display effect. At the same time, by controlling the preset levels, the adjustment action is kept appropriate, avoiding resource waste or unstable performance caused by excessive adjustment. The increased level takes effect immediately and becomes the new output reference. The second preset level can be one, two, or another level. This embodiment does not limit the number of first preset levels.

[0065] In an application, if the current comparison result shows that the sensed voltage is equal to the preset voltage, it indicates that the current debugging signal level is very close to or has reached the optimal state, and no further adjustment is required. The current debugging signal level is directly adopted as the operating level for the display signal output from the control module to the driver circuit, ensuring a continuously stable and efficient display effect.

[0066] In one embodiment, the control module is further configured to, under an ideal environment in the calibration phase, sequentially send a debugging signal at a preset number of different gears to the i-th drive circuit among the n drive circuits to be calibrated, and record the best gear when the i-th drive circuit displays the best image;

[0067] The sensing module is further used to sense the debugging signal of the optimal gear position, generate an induced voltage corresponding to the optimal gear position, and output the induced voltage to the comparison module to be stored as a preset voltage corresponding to the i-th driving circuit;

[0068] Wherein, i=1, 2, ..., n, n is a positive integer, and the size of the gear is positively correlated with the amplitude of the debugging signal.

[0069] In application, calibration is performed under a strictly controlled ideal environment. This means that all external interference factors (such as temperature, humidity, and electromagnetic interference) are eliminated or kept to a minimum to ensure the accuracy and repeatability of the calibration results. For each driver circuit to be calibrated (a total of n), the control module performs the calibration process one by one. It sends debugging signals of different gears to the i-th driver circuit in a predetermined sequence. The number of these gears is preset, meaning that before calibration, a series of possible debugging levels has been determined based on experience or theoretical calculations to obtain the most appropriate signal strength. After sending the debugging signal for each gear, the operator or an automatic monitoring system will evaluate the display image quality produced by the driver circuit. The optimal gear is the gear that achieves the best display effect among all tested gears, such as the highest clarity, most accurate color reproduction, or the best brightness and contrast. The specific criteria depend on the application requirements. When each driver circuit displays the best image (i.e., at the optimal gear position), the induced voltage generated by the sensing module is considered a sign that the specific circuit has achieved optimal performance. Therefore, it is recorded and used as a reference standard (i.e., preset voltage) for subsequent work. For each driver circuit i, its corresponding preset voltage is recorded and stored in the comparison module. In the subsequent debugging phase, the preset voltage can be selected based on the driver circuit at the receiving end. During debugging, the preset voltage used for comparison is adapted to the driver circuit. i = 1, 2, ..., n, where n is a positive integer, indicating that i takes the value of 1, 2, ..., n in sequence until all n driver circuits are calibrated. After calibration, the comparison module stores n preset voltages, namely V1, V2, ..., Vn, where V1 is the preset voltage obtained by calibration of the first driver circuit, V2 is the preset voltage obtained by calibration of the second driver circuit, and Vn is the preset voltage obtained by calibration of the nth driver circuit.

[0070] Example 2

[0071] The embodiment of the present application further provides a signal optimization method, which is applied to a display panel and is implemented based on any one of the signal optimization devices in the above embodiments and executed by the control module 13 .

[0072] like Figure 4 As shown, this embodiment provides a signal optimization method, including the following steps S101 and S102:

[0073] Step S101, sending a debugging signal to the driving circuit;

[0074] Step S102, adjusting the amplitude of the debugging signal according to the comparison result so that the difference between the induced voltage and the preset voltage is within a preset range;

[0075] The sensing module is used to sense the debugging signal, generate an induced voltage, and output it to the comparison module;

[0076] The comparison module is used to compare the induced voltage with a preset voltage corresponding to the driving circuit, and output the comparison result to the control module.

[0077] In one embodiment, Figure 5 As shown, step S101 includes the following steps S201 and S202:

[0078] Step S201: If the comparison result shows that the induced voltage is greater than the preset voltage, the level of the debugging signal is reduced, and the process returns to the step of sending the debugging signal to the driving circuit;

[0079] Step S202: If the comparison result shows that the induced voltage is less than the preset voltage, the level of the debugging signal is increased, and the process returns to the step of sending the debugging signal to the driving circuit.

[0080] Among them, the size of the gear is positively correlated with the amplitude of the debugging signal driving the circuit.

[0081] In one embodiment, Figure 6 As shown, step S101 includes the following steps S203 to S205:

[0082] Step S203: If the current comparison result is that the induced voltage is less than the preset voltage, and the previous comparison result is that the induced voltage is greater than the preset voltage, the current gear of the debugging signal is reduced by a first preset gear, and the new gear is used as the gear of the display signal output by the control module to the driving circuit during operation;

[0083] Step S204: If the current comparison result is that the induced voltage is greater than the preset voltage, and the previous comparison result is that the induced voltage is less than the preset voltage, the current gear of the debugging signal is increased by a second preset gear, and the new gear is used as the gear for the control module to output the display signal to the drive circuit during operation;

[0084] Step S205 : If the current comparison result is that the induced voltage is equal to the preset voltage, the current gear of the debugging signal is used as the gear of the display signal output by the control module to the driving circuit during operation.

[0085] In one embodiment, Figure 7 As shown, before step S101, the following steps S301 to S303 are included:

[0086] Step S301, sending a test signal to each driving circuit, the driving circuit is used to test the output signal quality according to the test signal, and feedback a handshake signal based on the test result;

[0087] Step S302: parse the handshake signal to obtain a parsing result, which includes a test result, positioning information of the drive circuit, and actual gear position information of the drive circuit;

[0088] Step S303: debugging the corresponding driving circuit based on the analysis result.

[0089] In an application, when a display panel boots up, a control module, such as a timing controller (TCON), sends a specific set of data, known as a test signal, to the driver circuit after it completes startup. The driver circuit uses this test signal data to test the actual reception quality and, using its built-in self-test mechanism, evaluates the quality of the generated output signal, including signal stability, accuracy, and any potential distortion or noise levels. If the driver circuit successfully completes the test and deems its output quality acceptable, it returns a rich "handshake" signal. This signal goes beyond a simple "pass / fail" indication and includes detailed test results, the driver circuit's physical location or logical address in the system (location information), and the current gear setting (actual gear information). This allows the control module to monitor the status and performance of each driver circuit in real time. After receiving the handshake signal, the control module performs in-depth analysis of these signals using a pre-defined protocol (this analysis process may include decoding the signal content and verifying the integrity of the information). Based on the test results, the control module determines whether the driver circuit's operating status meets expectations. Based on the analysis results, a customized debugging strategy can be developed for each driver circuit. For example, for a driver circuit with poor test results, priority might be given to increasing the test frequency, adjusting test signal parameters, or jumping directly to troubleshooting. For a circuit that is nearing optimal performance, fine-tuning might be employed. For a driver circuit with unsatisfactory test results, steps S301 to S303 are repeated after re-debugging. After the test is complete, if the test results meet the standards, the settings are fixed until power is turned off.

[0090] In addition, the signal optimization method provided in the above embodiment of the present application can also be used for debugging. This embodiment does not limit the specific debugging means.

[0091] In applications, handshake signals can be implemented using digital encoding, such as binary encoding. After testing its output signal quality, the driver circuit encodes three key parameters: the test results, its positioning information, and the actual operating gear position, in binary form. This encoding process involves converting each parameter into a series of 0s and 1s, with each binary bit carrying a specific meaning. For example, a test result might use several bits to indicate pass / fail or a specific score, positioning information uses sufficient bit width to uniquely identify each driver circuit in the system, and gear position information is directly mapped to a binary code representing different power or performance levels. The encoded binary data is transmitted to the control module via physical lines or wireless channels. The control module has built-in decoding logic to unpack and parse the received digital signal. It first identifies the leading synchronization bit of the signal to ensure proper alignment of the data stream. Then, according to pre-set encoding rules, the continuous binary bit stream is decomposed into the corresponding parameter information. This decoding step includes bit parsing, data reassembly, and necessary error detection to ensure the integrity and accuracy of the information. After decoding, the control module can determine the detailed status of each driver circuit: which circuits tested excellent and which require adjustment; the specific location of each circuit, facilitating precise control or maintenance; and the actual operating position of the current driver circuit, providing a basis for further optimization or adjustment. In addition to the aforementioned binary encoding, other data transmission methods that can carry test results, positioning information, and actual operating position information can also be used. This embodiment does not limit the specific data transmission method.

[0092] In one embodiment, step S303 includes the following steps S401 and S402:

[0093] Step S401: When the test result is normal, the actual gear position information is used as the gear position for the control module to output a display signal to the drive circuit during operation;

[0094] Step S402: When the test result is abnormal, the corresponding driving circuit is located based on the positioning information of the driving circuit and the actual gear information of the driving circuit, and the process returns to the step of sending a debugging signal to the driving circuit.

[0095] It should be noted that the execution process of the above steps is based on the same concept as the signal optimization device embodiment of this application. Its specific functions and technical effects can be found in the signal optimization device embodiment section and will not be repeated here.

[0096] Example 3

[0097] This embodiment further provides a display panel, comprising any one of the signal optimization devices provided in the above embodiments.

[0098] In applications, the display panel can be a thin film transistor liquid crystal display (TFT-LCD), a liquid crystal display (LCD), an organic electroluminesence display (OLED), a quantum dot light emitting diode (QLED) display, a seven-segment or eight-segment digital tube, etc.

[0099] It should be noted that the information interaction, execution process, etc. between the above-mentioned devices / modules are based on the same concept as the method embodiment of this application. Their specific functions and technical effects can be found in the method embodiment section and will not be repeated here.

[0100] Those skilled in the art can clearly understand that, for the convenience and brevity of description, only the division of the above-mentioned functional modules is used as an example for illustration. In actual applications, the above-mentioned functions can be distributed and completed by different functional modules as needed, that is, the internal structure of the device can be divided into different functional modules to complete all or part of the functions described above. The functional modules in the embodiment can be integrated into a processing module, or each module can exist physically alone, or two or more modules can be integrated into one module. The above-mentioned integrated modules can be implemented in the form of hardware or in the form of software functional modules. In addition, the specific names of the functional modules are only for the convenience of distinguishing each other and are not used to limit the scope of protection of this application. The specific working process of the modules in the above-mentioned system can refer to the corresponding process in the aforementioned method embodiment, which will not be repeated here.

[0101] An embodiment of the present application further provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps in the above-mentioned signal optimization method embodiment can be implemented.

[0102] An embodiment of the present application provides a computer program product. When the computer program product is run on a control system, the steps in the above-mentioned signal optimization method embodiment can be implemented.

[0103] If the integrated module is implemented as a software functional module and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the present application can implement all or part of the process of the above-mentioned method embodiment by instructing the relevant hardware through a computer program. The computer program can be stored in a computer-readable storage medium. When executed by a processor, the computer program can implement the steps of each of the above-mentioned method embodiments. The computer program includes computer program code, which can be in source code form, object code form, executable file, or some intermediate form. The computer-readable medium can at least include: any entity or device capable of carrying computer program code to the camera terminal device, recording medium, computer memory, read-only memory (ROM), random access memory (RAM), electrical carrier signal, telecommunication signal, and software distribution medium. Examples include a USB flash drive, a mobile hard drive, a magnetic disk, or an optical disk.

[0104] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described or recorded in detail in a certain embodiment, reference can be made to the relevant description of other embodiments.

[0105] Those skilled in the art will appreciate that the modules and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0106] In the embodiments provided in this application, it should be understood that the disclosed terminal devices and methods can be implemented in other ways. For example, the terminal device embodiments described above are merely illustrative. For example, the module division is merely a logical function division. In actual implementation, there may be other division methods, such as multiple modules or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed can be an indirect coupling or communication connection through some interface, device or module, which can be electrical, mechanical or other forms.

[0107] The modules described as separate components may or may not be physically separate, and the components shown as modules may or may not be physical modules, that is, they may be located in one place or distributed across multiple network modules. Some or all of the modules may be selected to achieve the purpose of the present embodiment according to actual needs.

[0108] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present application, and should all be included in the scope of protection of the present application.

Claims

1. A signal optimization device, characterized in that: Applied to a display panel, the signal optimization device includes a control module, a sensing module, and a comparison module; The output end of the sensing module is connected to the input end of the comparison module, and the output end of the comparison module is connected to the input end of the control module; The control module is used to send a debugging signal to the driving circuit of the display panel; The sensing module is used to sense the debugging signal, generate an induced voltage, and output the induced voltage to the comparison module; The comparison module is used to compare the induced voltage with a preset voltage corresponding to the driving circuit, and output the comparison result to the control module; The control module is further configured to adjust the amplitude of the debugging signal according to the comparison result so that the difference between the induced voltage and the preset voltage is within a preset range; The sensing module includes a sensing device, a first circuit board layer, and a second circuit board layer stacked in sequence; The first circuit board layer is provided with a signal transmission line, and the sensing device is a conductive device and is connected to the input terminal of the comparison module; The signal transmission line is used to transmit the debugging signal sent by the control module to the driving circuit; The sensing device is used to sense the debugging signal, generate an induced voltage, and output the induced voltage to the comparison module.

2. The signal optimization device according to claim 1, wherein: The control module is specifically used for: If the comparison result is that the induced voltage is greater than the preset voltage, reducing the gear of the debugging signal; If the comparison result is that the induced voltage is less than the preset voltage, increasing the gear of the debugging signal; The size of the gear is positively correlated with the amplitude of the debugging signal.

3. The signal optimization device according to claim 2, wherein: The control module is further configured to: If the current comparison result is that the induced voltage is less than the preset voltage, and the previous comparison result is that the induced voltage is greater than the preset voltage, the current gear of the debugging signal is reduced by a first preset gear, and the new gear is used as the gear for the control module to output the display signal to the drive circuit during operation; If the current comparison result is that the induced voltage is greater than the preset voltage, and the previous comparison result is that the induced voltage is less than the preset voltage, the current gear of the debugging signal is increased by a second preset gear, and the new gear is used as the gear for the control module to output the display signal to the drive circuit during operation; If the current comparison result is that the induced voltage is equal to the preset voltage, the current gear of the debugging signal is used as the gear of the display signal output by the control module to the driving circuit during operation.

4. The signal optimization device according to claim 1, wherein: The control module is further configured to, under an ideal environment during the calibration phase, sequentially send a debugging signal at a preset number of different gears to an i-th drive circuit among the n drive circuits to be calibrated, and record the optimal gear position when the i-th drive circuit displays the best picture; The sensing module is further configured to sense the debugging signal of the optimal gear position, generate an induced voltage corresponding to the optimal gear position, and output the induced voltage to the comparison module to be stored as a preset voltage corresponding to the i-th driving circuit; Wherein, i=1, 2, ..., n, n is a positive integer, and the size of the gear is positively correlated with the amplitude of the debugging signal.

5. A signal optimization method, characterized in that: Applied to a display panel, the method is implemented based on the signal optimization device according to any one of claims 1 to 4, and includes the following steps performed by the control module: sending a debugging signal to the driving circuit; adjusting the amplitude of the debugging signal according to the comparison result so that the difference between the induced voltage and the preset voltage is within a preset range; The sensing module is used to sense the debugging signal, generate an induced voltage, and output the induced voltage to the comparison module; The comparison module is used to compare the induced voltage with a preset voltage corresponding to the driving circuit, and output a comparison result to the control module.

6. The signal optimization method according to claim 5, wherein: The adjusting the amplitude of the debugging signal according to the comparison result so that the difference between the induced voltage and the preset voltage is within a preset range includes: If the comparison result is that the induced voltage is greater than the preset voltage, the gear of the debugging signal is reduced, and the process returns to the step of sending the debugging signal to the drive circuit to obtain the induced voltage and compare it with the stored preset voltage; If the comparison result is that the induced voltage is less than the preset voltage, the gear of the debugging signal is increased, and the process returns to the step of sending the debugging signal to the driving circuit; Among them, the size of the gear is positively correlated with the amplitude of the debugging signal driving circuit.

7. The signal optimization method according to claim 5, wherein: Before sending the debugging signal to the driving circuit, the method includes: Sending a test signal to each driving circuit, wherein the driving circuit is configured to test the quality of an output signal according to the test signal and to feed back a handshake signal based on a result of the test; Parsing the handshake signal to obtain a parsing result, wherein the parsing result includes a test result, positioning information of the drive circuit, and actual gear position information of the drive circuit; The corresponding driving circuit is debugged based on the analysis result.

8. The signal optimization method according to claim 7, wherein: The debugging of the corresponding driving circuit based on the analysis result includes: When the test result is normal, the actual gear position information is used as the gear position for the control module to output a display signal to the drive circuit during operation; When the test result is abnormal, the corresponding drive circuit is located based on the positioning information of the drive circuit and the actual gear information of the drive circuit, and the step of sending a debugging signal to the drive circuit is returned.

9. A display panel, characterized in that: The device comprises the device according to any one of claims 1 to 4.

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