CN115331641A - Display device temperature compensation circuit and display device - Google Patents

Abstract

The invention discloses a temperature compensation circuit of display equipment and the display equipment, wherein the display equipment comprises a display area, and the temperature compensation circuit comprises: the temperature sensing units are used for sensing the temperature of the corresponding display sub-regions to generate temperature feedback signals; the compensation control module is coupled with the plurality of temperature sensing units and the plurality of common voltage blocks, receives a plurality of temperature feedback signals generated by the plurality of temperature sensing units, generates a plurality of corresponding common voltages according to the plurality of temperature feedback signals, and respectively provides the plurality of common voltages to the corresponding common voltage blocks; the plurality of common voltages are respectively obtained according to corresponding temperature feedback signals so as to independently compensate each display sub-area of the display area.

Description

Temperature compensation circuit of display device and display device

technical field

The invention relates to the field of display technology, in particular to a temperature compensation circuit of a display device and the display device.

Background technique

In recent years, OLED (Organic Light-Emitting Diode, Organic Light-Emitting Diode) display devices have gradually become one of the mainstream display devices due to many advantages such as self-luminescence, small thickness, low power, fast response speed, and low manufacturing cost. The OLED display device includes a substrate on which an organic light-emitting unit composed of pixel circuits, anodes, organic light-emitting layers, and cathodes is formed. (Flexible Printed Circuit, flexible printed circuit board) for binding.

OLED display devices or Micro OLED display devices will have uneven temperature distribution under the influence of factors such as the display screen or surrounding circuits, resulting in uneven brightness of the visual effect and abnormal display screen, or long-term operation under the condition of uneven temperature Under the environment, it may also cause product degradation and aging, so it is necessary to add a temperature compensation circuit to the OLED display device.

In the traditional solution, the temperature compensation circuit includes a plurality of temperature sensing units arranged in the display area, each temperature sensing unit generates a corresponding temperature feedback signal according to the temperature of a different area of the display area, and the compensation control module The compensated common voltage VCOM is generated and provided to the cathode of the LED lamp. As shown in FIG. 1 , FIG. 1 shows a schematic structural diagram of a temperature compensation circuit of a display device according to the prior art. The display device includes a display area (not shown) and a temperature compensation circuit 200 . The temperature compensation circuit 200 includes a common voltage circuit 201, a control unit 203, a voltage generation unit 204, and temperature sensing units T1 to T6. The display area includes a display array, and the temperature sensing units T1 to T6 are arranged in the display area and symmetrically arranged around the display array. The temperature sensing unit is selected from temperature sensors, for example.

Specifically, the display device includes, for example, a silicon substrate on which a common voltage circuit 201, an anode backplane (not shown), a pixel circuit (not shown), an organic light-emitting layer (not shown) and the like are formed. The organic light-emitting unit composed of various layers.

Each temperature sensing unit generates corresponding temperature feedback signals Vfb1 to Vfb6 according to the temperature of the part where it is located, and provides a plurality of temperature feedback signals Vfb1 to Vfb6 to the control unit 203 .

The control unit 203 receives a plurality of temperature feedback signals Vfb1 to Vfb6 , performs a weighted operation on the plurality of temperature feedback signals Vfb1 to Vfb6 , and generates a control signal according to the operation result.

The voltage generation unit 204 is coupled to the control unit 203 , receives the control signal and generates a compensated common voltage VCOM according to the control signal, and provides the common voltage VCOM to the common voltage circuit 201 to perform temperature compensation on the display area.

The temperature compensation circuit in the prior art can only generate one common voltage VCOM. When the temperature of each part of the display area is close, the compensated common voltage VCOM required by each part is also relatively close. At this time, the temperature compensation circuit in the prior art can Meet the needs of temperature compensation. However, when the temperature difference of each part of the display area is relatively large, and the temperature feedback signals generated by each temperature sensing unit are different, the control unit 203 can only perform a weighted operation on multiple temperature feedback signals, so that the compensation effect of all parts under the current conditions is within a reasonable range. Common voltage VCOM within range is accepted. However, using the same common voltage VCOM to perform temperature compensation on different parts with different temperatures, the temperature compensation effects of each area are uneven, resulting in poor visual effects in practical applications.

Therefore, an improved display device and its temperature compensation circuit are expected to solve the above problems and improve the reliability of the display device.

Contents of the invention

In view of the above problems, the object of the present invention is to provide a temperature compensation circuit for a display device and a display device, so as to perform regional compensation for temperature differences in different regions of the display device to obtain better display effects and improve regional display. aging problems caused by aging.

According to an aspect of the present application, there is provided a temperature compensation circuit of a display device, the display device includes a display area, and the temperature compensation circuit includes: a plurality of display sub-areas in one-to-one correspondence with the display area A common voltage block and a plurality of temperature sensing units, each temperature sensing unit generates a temperature feedback signal by sensing the temperature of the corresponding display sub-area; and a compensation control module, with the plurality of temperature sensing units and the plurality of temperature sensing units A common voltage block is coupled to receive a plurality of temperature feedback signals generated by the plurality of temperature sensing units, and generate a plurality of corresponding common voltages according to the plurality of temperature feedback signals, and separate the plurality of common voltages Provided to corresponding common voltage blocks; wherein, the plurality of common voltages are respectively obtained according to corresponding temperature feedback signals, so as to perform independent compensation for each display sub-region of the display region.

Optionally, the compensation control module includes: a control unit, coupled to the plurality of temperature sensing units, and generating control signals according to the plurality of received temperature feedback signals; a voltage generating unit, coupled to the control unit Next, generate a plurality of common voltages corresponding to the plurality of temperature feedback signals according to the received control signal, and provide the plurality of common voltages to corresponding common voltage blocks.

Optionally, the compensation control module includes: a control unit coupled to the plurality of temperature sensing units, generating a search signal including temperature parameters according to the plurality of received temperature feedback signals, and generating a control signal; compensating A unit, coupled with the control unit, stores a mapping table representing the corresponding relationship between temperature parameters and the setting parameters of the common voltage, and the compensation unit generates corresponding setting parameters according to the temperature parameters in the received search signal; voltage A generation unit, coupled with the control unit, receives the control signal, generates corresponding multiple common voltages, and provides the multiple common voltages to corresponding common voltage blocks; wherein, the control unit according to the The setting parameters provided by the compensation unit are used to generate the control signal.

Optionally, the compensation unit is further configured to calculate a corresponding setting parameter of the common voltage according to the temperature parameter.

Optionally, the compensation control module is configured such that the temperature indicated by the received temperature feedback signal is positively correlated with the supplied common voltage corresponding to the temperature feedback signal.

Optionally, the temperature feedback signal generated by the temperature sensing unit includes a temperature feedback signal corresponding to a temperature of the display sub-region; the compensation control module is configured to, according to the one temperature feedback signal, A corresponding common voltage is generated and provided to the corresponding common voltage block.

Optionally, the temperature feedback signal generated by the temperature sensing unit includes a plurality of temperature feedback signals corresponding to a plurality of temperatures of the display sub-region; the compensation control module is configured to, according to the plurality of temperatures The average value of the feedback signal generates a corresponding common voltage and provides it to the corresponding common voltage block.

Optionally, each temperature sensing unit is configured to generate the temperature feedback signal according to an average value of at least one temperature of the display sub-region.

Optionally, the temperature compensation circuit includes six temperature sensing units, the six temperature sensing units are arranged around the display array in the display area, and sense the temperature of the corresponding display sub-area to generate The temperature feedback signal.

According to another aspect of the present application, a display device is provided, comprising: the temperature compensation circuit as described in any one of the above items; and a display area, the display area having a plurality of display sub-areas.

Optionally, the display area includes a display array, and the temperature sensing unit of the temperature compensation circuit is arranged around the display array.

Optionally, the display array is selected from an LCD display array, an LED display array, an OLED display array, an AMOLED display array, a Micro OLED display array, a Micro LED display array or a Mini LED display array.

The temperature compensation circuit of the display device provided by this application divides the common voltage backplane into M common voltage blocks, and the control unit is responsible for receiving multiple temperature feedback signals provided by multiple temperature sensing units, and according to the multiple temperature feedback signals The signal is independently operated, and the control voltage generation unit outputs at least N groups of common voltages selected, which are respectively provided to the corresponding common voltage blocks, so that each display sub-region is independently performed according to the multiple common voltage blocks divided into blocks. Temperature compensation for more accurate brightness compensation for visual effects.

Optionally, the temperature compensation circuit can adjust the common voltage according to the regional bright state and dark state content of the display screen, which can reduce the power consumption of the display device.

Optionally, the compensation control module further includes a compensation unit storing a mapping table, the mapping table represents the corresponding relationship between the temperature parameter and the setting parameter of the common voltage, and after the control unit receives a plurality of temperature feedback signals, the temperature parameter therein is sent to To the compensation unit, find the corresponding setting parameters of the common voltage directly from the mapping table, and then the control unit provides the setting parameters to the voltage generation unit, without calculating the corresponding setting parameters according to multiple temperature feedback signals, and consumes less resources. Faster response times allow for faster temperature compensation of the display device.

Optionally, the compensation unit is also equipped with a calculation function, which can calculate the setting parameter of the common voltage according to the temperature parameter, and store the temperature parameter and the setting parameter in the mapping table. On the one hand, an original mapping table can be constructed through a large number of tests before leaving the factory, and the original mapping table is applicable to all display devices of the same batch. On the other hand, in the actual use process, when encountering temperature parameters not included in the mapping table, the corresponding common voltage setting parameters can be calculated, and at the same time, the original mapping table can be further supplemented to ensure that the temperature compensation circuit has better adaptability sex.

Description of drawings

Through the following description of the embodiments of the present invention with reference to the accompanying drawings, the above-mentioned and other objects, features and advantages of the present invention will be more clear, in the accompanying drawings:

FIG. 1 shows a schematic structural diagram of a temperature compensation circuit of a display device according to the prior art;

FIG. 2 shows a schematic structural diagram of a temperature compensation circuit of a display device according to an embodiment of the present invention;

Fig. 3 shows a schematic structural diagram of a temperature compensation circuit of a display device according to another embodiment of the present invention;

Fig. 4 shows a schematic structural diagram of a display device according to an embodiment of the present invention.

Detailed ways

Various embodiments of the invention will be described in more detail below with reference to the accompanying drawings. In the various drawings, the same components or modules are denoted by the same or similar reference numerals. For the sake of clarity, various parts in the drawings have not been drawn to scale.

It should be understood that in the following description, "circuitry" may include single or multiple combined hardware circuits, programmable circuits, state machine circuits and/or components capable of storing instructions for execution by programmable circuits. When a component or circuit is said to be "connected to" another component or is said to be "connected between" two nodes, it may be directly coupled or connected to the other component or there may be intervening components and the connection between the components may be be physical, logical, or a combination thereof. In contrast, when a component is referred to as being "directly coupled to" or "directly connected to" another component, it means that there are no intervening components between the two.

Also, certain terms are used in this patent specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The patent specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing.

In addition, it should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations There is no such actual relationship or order between the operations. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

The present application provides an improved temperature compensation circuit, as shown in FIG. 2 . FIG. 2 shows a schematic structural diagram of a temperature compensation circuit of a display device according to an embodiment of the present invention. For ease of description, structures such as an anode backplane are not shown in the figure. The display device includes a display area, and the display area is divided into a plurality of display sub-areas. The temperature compensation circuit 300 includes a compensation control module 302, a plurality of temperature sensing units and a plurality of common voltage blocks, and the number of temperature sensing units is related to the common voltage corresponding to the number of blocks. It should be understood that, in some embodiments, the number of temperature sensing units and the number of common voltage blocks may be different, for example, eight temperature sensing units and four common voltage blocks are included.

In this embodiment, the display device includes, for example, a silicon substrate on which a plurality of common voltage blocks, an anode backplane (not shown), a pixel circuit (not shown), an organic light emitting layer ( not shown) and other layers of the organic light-emitting unit.

The temperature compensation circuit 300 includes six common voltage blocks, that is, the common voltage blocks VCOM1 to VCOM6 , corresponding to the six display sub-regions of the display area. The six common voltage blocks are arranged in a 2*3 array, which can be understood as cutting a complete common voltage circuit 201 in FIG. 1 into six independent common voltage blocks.

The temperature compensation circuit 300 further includes six temperature sensing units, namely temperature sensing units T1 to T6. The display area includes a display array, and the temperature sensing units T1 to T6 are arranged in the display area, and are arranged around the display array in one-to-one correspondence with the common voltage blocks VCOM1 to VCOM6 . The temperature sensing units T1 to T6 respectively generate temperature feedback signals Vfb1 to Vfb6 according to the temperatures of the corresponding display sub-regions.

The compensation control module 302 receives the temperature feedback signals Vfb1 to Vfb6, generates a plurality of corresponding compensated common voltages according to the temperature feedback signals Vfb1 to Vfb6 generated by the temperature sensing units T1 to T6, and provides the plurality of common voltages to the corresponding common voltages. Voltage blocks VCOM1 to VCOM6.

Specifically, the compensation control module 302 includes a control unit 303 and a voltage generation unit 304. The control unit 303 is coupled to the temperature sensing units T1 to T6, receives the temperature feedback signals Vfb1 to Vfb6, and independently calculates according to the temperature feedback signals Vfb1 to Vfb6 to generate The control signal, the voltage generating unit 304 receives the control signal and provides corresponding six kinds of compensated common voltage VCOM according to the control signal, which are respectively provided to the common voltage blocks VCOM1 to VCOM6 for temperature compensation. It should be understood that the common voltage VCOM is similar to an analog signal and can be any voltage value.

The temperature compensation circuit of the display device provided in this embodiment divides the common voltage backplane into M common voltage blocks, and the control unit 303 is responsible for receiving multiple temperature feedback signals Vfb1 to Vfb6 provided by multiple temperature sensing units, and According to the independent operation of the temperature feedback signals Vfb1 to Vfb6, the control voltage generation unit 304 outputs the selected six common voltages VCOM, which are respectively provided to the common voltage blocks VCOM1 to VCOM6, so that according to the multiple common voltage blocks divided into blocks VCOM1 to VCOM6 independently perform temperature compensation for each display sub-area to obtain more accurate brightness compensation for visual effects.

In a feasible embodiment, each display sub-region corresponds to a plurality of temperature sensing units, that is, each common voltage block corresponds to a plurality of temperature sensing units, and each temperature sensing unit displays The temperature of the sub-areas generates a corresponding temperature feedback signal. At this time, each display sub-area corresponds to multiple temperature feedback signals, and the control unit 303 generates a corresponding common voltage VCOM according to the average value of the multiple temperature feedback signals.

In another feasible embodiment, the temperature sensing units T1 to T6 can respectively sense the temperature values of multiple sensing points in the corresponding display sub-regions, and generate corresponding temperature feedback according to the average value of the multiple temperature values Signals Vfb1 to Vfb6.

For example, in a picture, the display sub-regions corresponding to the common voltage blocks VCOM1, VCOM2, VCOM4, and VCOM5 have overall high brightness or rich brightness details, while the display sub-regions corresponding to the common voltage blocks VCOM3 and VCOM6 have overall low brightness or low brightness. If the details of the dark state are rich, the temperature sensed by the temperature sensing units T3 and T6 at this time is lower than that of other temperature sensing units, and the voltage generation unit 304 provides voltages to the common voltage blocks VCOM3 and VCOM6 under the control of the control unit 303 It is also lower to compensate each display sub-area independently for better visual effects.

Exemplarily, the display array is selected from, for example, LCD (Liquid Crystal Display, liquid crystal display array), LED (Light Emitting Diode, light emitting diode) display array, OLED (Organic Light-Emitting Diode, organic light-emitting semiconductor) display array, AMOLED (Active -Matrix Organic Light Emitting Diode) display array, Micro OLED display array, Micro LED display array or Mini LED display array. Wherein, the Micro OLED display array is, for example, selected from silicon-based OLEDs.

Optionally, the present application also provides another improved temperature compensation circuit, as shown in FIG. 3 . FIG. 3 shows a schematic structure diagram of a temperature compensation circuit of a display device according to another embodiment of the present invention. For the convenience of description, structures such as an anode backplane are not shown in the figure. The display device includes a display area, and the display area includes a plurality of display sub-areas. The temperature compensation circuit 400 includes a compensation control module 402, a plurality of temperature sensing units, and a plurality of common voltage blocks corresponding to the plurality of display sub-areas. The number of sensing units corresponds to the number of common voltage blocks. The common voltage block and the temperature sensing unit are similar to the temperature compensation circuit 300 shown in FIG. 2 , and will not be repeated here. The following mainly introduces the compensation control module 402 .

The compensation control module 402 includes a control unit 303 , a voltage generation unit 304 and a compensation unit 306 . The control unit 303 receives the temperature feedback signals Vfb1 to Vfb6, and generates a search signal according to the temperature feedback signals Vfb1 to Vfb6. The search signal includes, for example, a plurality of temperature parameters.

The compensation unit 306 stores, for example, a mapping table indicating the correspondence between the temperature a parameter and the setting parameter of the common voltage VCOM. The compensation unit 306 receives the search signal, finds the corresponding setting parameters of the common voltage VCOM in its stored mapping table according to the temperature parameter in the search signal, and returns the setting parameters of multiple common voltages VCOM to the control unit 303 . The control unit 303 generates a control signal according to the setting parameters of the multiple common voltages VCOM, and provides the control signal to the voltage generating unit 304, and the voltage generating unit 304 generates corresponding multiple compensated common voltages VCOM according to the control signal, and It is provided to the corresponding common voltage blocks VCOM1 to VCOM6.

In a feasible embodiment, the compensation unit 306 is further configured to be able to calculate a setting parameter of the common voltage VCOM according to a temperature parameter, and store the temperature parameter and the setting parameter in a mapping table.

The compensation control module 402 of the temperature compensation circuit 400 provided in this embodiment further includes a compensation unit 306 storing a mapping table, and the control unit 303 can directly obtain the setting parameters of the corresponding common voltage VCOM according to the temperature feedback signals Vfb1 to Vfb6 without performing Complicated calculations consume less resources and respond quickly, so that the temperature compensation of the display device can be performed faster.

Optionally, the compensation unit 306 is also configured with a calculation function, which can calculate the setting parameter of the common voltage VCOM according to the temperature parameter, and store the temperature parameter and the setting parameter in the mapping table. On the one hand, an original mapping table can be constructed through a large number of tests before leaving the factory, and the original mapping table is applicable to all display devices of the same batch. On the other hand, in actual use, when the compensation unit receives temperature parameters not included in the mapping table, it can calculate the corresponding setting parameters of the common voltage VCOM, and at the same time further supplement the original mapping table to ensure that the temperature compensation circuit has a better performance. good adaptability.

Further, the present application also provides an improved display device, as shown in FIG. 4 . Fig. 4 shows a schematic structural diagram of a display device according to an embodiment of the present invention. The display device 100 includes a display area 110 and a control circuit 120, wherein the display area 110 has a plurality of display sub-areas, and the control circuit 120 includes a temperature compensation circuit, for example, the temperature compensation circuit is selected from the temperature compensation circuit 300 shown in FIG. 3 shows the temperature compensation circuit 400.

To sum up, the temperature compensation circuit of the display device provided by this application divides the common voltage backplane into M common voltage blocks, and the control unit 303 is responsible for receiving multiple temperature feedback signals Vfb1 provided by multiple temperature sensing units to Vfb6, and independently calculate according to the temperature feedback signals Vfb1 to Vfb6, control the voltage generation unit 304 to output the selected six common voltages VCOM, and provide them to the common voltage blocks VCOM1 to VCOM6 respectively, so that according to the multiple The common voltage blocks VCOM1 to VCOM6 independently perform temperature compensation for each display sub-region to obtain more accurate brightness compensation for visual effects.

Optionally, the compensation control module further includes a compensation unit 306 storing a mapping table, the mapping table represents the corresponding relationship between the temperature parameter and the setting parameter of the common voltage VCOM, after the control unit 303 receives the temperature feedback signals Vfb1 to Vfb6, the send the temperature parameters to the compensation unit 306, directly find the setting parameters of the corresponding common voltage VCOM from the mapping table, and then the control unit 303 provides the setting parameters to the voltage generation unit 304, without performing calculations according to the temperature feedback signals Vfb1 to Vfb6, Consumes fewer resources and has a shorter response time, allowing for faster temperature compensation of the display device.

Optionally, the compensation unit 306 is also configured with a calculation function, which can calculate the setting parameter of the common voltage VCOM according to the temperature parameter, and store the temperature parameter and the setting parameter in the mapping table. On the one hand, an original mapping table can be constructed through a large number of tests before leaving the factory, and the original mapping table is applicable to all display devices of the same batch. On the other hand, in actual use, when a temperature parameter not included in the mapping table is encountered, the corresponding setting parameters of the common voltage VCOM can be calculated, and at the same time, the original mapping table is further supplemented to ensure that the temperature compensation circuit has a better performance. adaptability.

It should be noted that those of ordinary skill in the art can understand that the words "during", "when" and "when" used herein related to circuit operation are not strict terms that represent actions that occur immediately when the start-up action starts, Rather, there may be some small but reasonable one or more delays between it and the reaction initiated by the start action, such as various transmission delays and the like. The words "about" or "substantially" are used herein to mean that the element has a parameter that is expected to be close to the stated value or position. However, as is well known in the art, there are always minor deviations which make it difficult for the values or positions to be exactly as stated. It has been well established in the art that deviations of at least ten percent (10%) (for semiconductor doping concentrations, at least twenty percent (20%)) are reasonable deviations from the exact ideal goal described. When used in conjunction with signal state, the actual voltage value or logic state (such as "1" or "0") of the signal depends on whether positive or negative logic is used.

Embodiments according to the present invention are described above, and these embodiments do not exhaustively describe all details, nor limit the invention to only specific embodiments. Obviously many modifications and variations are possible in light of the above description. This description selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can make good use of the present invention and its modification on the basis of the present invention. The protection scope of the present invention shall be defined by the claims of the present invention and their equivalents.

Claims (12)

1. A temperature compensation circuit of a display device, the display device comprising a display area, the temperature compensation circuit comprising: A plurality of common voltage blocks and a plurality of temperature sensing units one-to-one corresponding to the plurality of display sub-regions in the display region, each temperature sensing unit generates a temperature feedback signal by sensing the temperature of the corresponding display sub-region; as well as A compensation control module, coupled to the plurality of temperature sensing units and the plurality of common voltage blocks, receives a plurality of temperature feedback signals generated by the plurality of temperature sensing units, and The signal generates a plurality of corresponding common voltages, and respectively provides the plurality of common voltages to corresponding common voltage blocks; wherein, The plurality of common voltages are respectively obtained according to corresponding temperature feedback signals, so as to perform independent compensation for each display sub-area of the display area. 2. The temperature compensation circuit according to claim 1, the compensation control module comprising: a control unit, coupled to the plurality of temperature sensing units, and generating a control signal according to the plurality of received temperature feedback signals; A voltage generation unit, coupled to the control unit, generates a plurality of common voltages corresponding to the plurality of temperature feedback signals according to the received control signal, and provides the plurality of common voltages to the corresponding common voltage blocks. 3. The temperature compensation circuit according to claim 1, the compensation control module comprising: A control unit, coupled to the plurality of temperature sensing units, generates a search signal including temperature parameters according to the plurality of received temperature feedback signals, and generates a control signal; A compensation unit, coupled to the control unit, stores a mapping table representing the correspondence between temperature parameters and setting parameters of the common voltage, and the compensation unit generates corresponding setting parameters according to the temperature parameters in the received search signal; A voltage generating unit, coupled to the control unit, receives the control signal, generates corresponding multiple common voltages, and provides the multiple common voltages to corresponding common voltage blocks; wherein, The control unit generates the control signal according to the setting parameters provided by the compensation unit. 4. The temperature compensation circuit according to claim 3, the compensation unit is further configured to calculate a corresponding setting parameter of the common voltage according to the temperature parameter. 5. The temperature compensation circuit according to claim 1, wherein the compensation control module is configured such that the temperature indicated by the received temperature feedback signal is positively correlated with the provided common voltage corresponding to the temperature feedback signal. 6. The temperature compensation circuit according to claim 1, the temperature feedback signal generated by the temperature sensing unit includes a temperature feedback signal corresponding to a temperature of the display sub-region; The compensation control module is configured to generate a corresponding common voltage according to the one temperature feedback signal and provide it to the corresponding common voltage block. 7. The temperature compensation circuit according to claim 1, wherein the temperature feedback signal generated by the temperature sensing unit includes a plurality of temperature feedback signals corresponding to a plurality of temperatures of the display sub-regions; The compensation control module is configured to generate a corresponding common voltage according to the average value of the plurality of temperature feedback signals, and provide it to the corresponding common voltage block. 8. The temperature compensation circuit according to claim 1, each temperature sensing unit is configured to generate the temperature feedback signal according to an average value of at least one temperature of the display sub-region. 9. The temperature compensation circuit according to claim 6, comprising six temperature sensing units, the six temperature sensing units are arranged around the display array in the display area, and sense the corresponding The temperature of the display sub-region is used to generate the temperature feedback signal. 10. A display device, the display device comprising: The temperature compensation circuit according to any one of claims 1 to 9; A display area, the display area has a plurality of display sub-areas. 11. The display device according to claim 10, the display area comprises a display array, and the temperature sensing unit of the temperature compensation circuit is arranged around the display array. 12. The display device according to claim 11, wherein the display array is selected from an LCD display array, an LED display array, an OLED display array, an AMOLED display array, a Micro OLED display array, a Micro LED display array or a Mini LED display array.

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