WO2018223693A1 - 图像显示驱动装置、显示装置和电学补偿方法 - Google Patents

图像显示驱动装置、显示装置和电学补偿方法 Download PDF

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Publication number
WO2018223693A1
WO2018223693A1 PCT/CN2018/071374 CN2018071374W WO2018223693A1 WO 2018223693 A1 WO2018223693 A1 WO 2018223693A1 CN 2018071374 W CN2018071374 W CN 2018071374W WO 2018223693 A1 WO2018223693 A1 WO 2018223693A1
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circuit
signal
electrical signal
electrical
data signal
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PCT/CN2018/071374
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English (en)
French (fr)
Inventor
宋琛
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京东方科技集团股份有限公司
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Priority to US16/073,988 priority Critical patent/US11227541B2/en
Publication of WO2018223693A1 publication Critical patent/WO2018223693A1/zh

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
    • G09G3/3233—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/08—Details of timing specific for flat panels, other than clock recovery
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0228—Increasing the driving margin in plasma displays
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0285—Improving the quality of display appearance using tables for spatial correction of display data
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/029—Improving the quality of display appearance by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0693—Calibration of display systems

Definitions

  • Embodiments of the present disclosure relate to an image display driving device, a display device, and an electrical compensation method.
  • Organic Light Emitting Diode (OLED) display panels are gradually gaining people's advantages due to their wide viewing angle, high contrast ratio, fast response speed, higher light-emitting brightness and lower driving voltage than inorganic light-emitting display devices. Wide attention. Due to the above characteristics, the organic light emitting diode (OLED) display panel can be applied to a device having a display function such as a mobile phone, a display, a notebook computer, a digital camera, an instrument meter, and the like. However, the organic light emitting diode display panel has a problem that display brightness is uneven. Generally, optical compensation or electrical compensation can be used to improve the uniformity of display brightness of the OLED display panel.
  • One embodiment of the present disclosure provides an image display driving device including a detecting circuit and a data superimposing circuit.
  • the detection circuit is configured to acquire an electrical compensation data signal of the display panel;
  • the data superposition circuit is configured to superimpose the electrical compensation data signal and the initial driving data signal to obtain the compensated driving data signal.
  • the detecting circuit is configured to acquire a calibration basic electrical signal and a detection electrical signal of the display panel, and based on the calibration basic electrical signal and The detecting electrical signal acquires an electrical compensation data signal of the display panel.
  • the detecting circuit includes a voltage sampling circuit or a current sampling circuit.
  • the driving device further includes a storage circuit.
  • the memory circuit is configured to store the calibration base electrical signal or/and the detected electrical signal and provide the calibration base electrical signal or/and the detected electrical signal to the data overlay circuit.
  • the storage circuit includes a register.
  • the detecting circuit further includes an analog to digital converting circuit; and the analog to digital converting circuit is configured to convert the analog signal acquired by the detecting circuit into Digital signal.
  • the driving apparatus further includes a data bit conversion circuit configured to set a bit number and a position of the calibration basic electrical signal The number of bits of the detected electrical signal is converted to match the number of bits of the initial drive data signal.
  • the driving apparatus further includes a data driving circuit configured to convert the compensated driving data signal of the display panel into Suitable for driving analog signals of the display panel.
  • Another embodiment of the present disclosure provides a display device including the above-described driving device and a display panel electrically connected to the driving device, the display panel being configured to detect an electrically compensated data signal.
  • the display device further includes a calibration source and a timing control circuit.
  • a calibration source is configured to be electrically coupled to the drive device, and wherein the calibration circuit is further configured to obtain a calibration base electrical signal, the calibration base electrical signal is provided to the drive device; the timing control circuit is configured to: An initial drive data signal of the display panel is provided to the drive device.
  • the calibration source includes a constant voltage source or a constant current source.
  • Still another embodiment of the present disclosure provides an electrical compensation method including acquiring an electrical compensation data signal of a display panel, and superimposing the electrical compensation data signal and the initial driving data signal to obtain a compensated driving data signal.
  • a calibration basic electrical signal and a detected electrical signal of the display panel are acquired, and based on the calibration basic electrical signal and the detected electrical signal acquisition The electrical compensation data signal of the display panel.
  • the electrical compensation method further includes: storing the calibration basic electrical signal or/and the detected electrical signal, and superimposing the electrical compensation The calibration base electrical signal or/and the detected electrical signal are read when the data signal and the initial drive data signal.
  • the electrical compensation method further includes: converting the calibration basic electrical signal and the detected electrical signal into a digital signal, and based on the superposition based on The calibration basic electrical signal and the electrical compensation data signal obtained by the detection electrical signal and the initial driving data signal acquire the compensated driving data signal.
  • FIG. 1 is an exemplary block diagram of an image display driving apparatus according to Embodiment 1 of the present disclosure
  • FIG. 2 is an exemplary block diagram of a display device including an image display driving device according to Embodiment 1 of the present disclosure
  • FIG. 3 is a schematic block diagram of a data driving circuit according to Embodiment 1 of the present disclosure.
  • FIG. 4A is an exemplary block diagram of an image display driving apparatus according to Embodiment 2 of the present disclosure.
  • FIG. 4B is an exemplary block diagram of a display device including an image display driving device provided by Embodiment 2 of the present disclosure
  • FIG. 5 is an exemplary block diagram of an image display driving apparatus according to Embodiment 3 of the present disclosure.
  • FIG. 6 is an exemplary block diagram of a display device including an image display driving device provided in Embodiment 3 of the present disclosure
  • FIG. 7A is an exemplary block diagram of an image display driving apparatus according to Embodiment 4 of the present disclosure.
  • FIG. 7B is an exemplary block diagram of a display device including an image display driving device provided in Embodiment 4 of the present disclosure
  • Figure 9A is a 3T1C external compensation pixel circuit
  • Figure 9B is another 3T2C external compensation pixel circuit.
  • the uniformity of display brightness of the organic light emitting diode display panel can be improved by using an electric compensation method described below.
  • an electrical signal outputted by the panel is sampled using an image display driving device (for example, a driving chip) for driving the display panel; then, the electrical sampling data acquired by the driving chip is supplied to the timing control circuit (ie, the T-CON circuit) Then, the timing control circuit superimposes the electrical sampling data and the initial driving data based on a specific compensation algorithm to obtain the compensated driving data; finally, the timing control circuit provides the compensated driving data to the display panel, thereby improving The uniformity of the display brightness of the display panel.
  • an image display driving device for example, a driving chip
  • the timing control circuit ie, the T-CON circuit
  • the compensation process requires the participation of the timing control circuit, and involves the design of the compensation algorithm in the timing control circuit, the reading of the sampled data, the superposition of the sampled data, and the like. Reduced system integration and responsiveness.
  • At least one embodiment of the present disclosure provides an image display driving device, a display device, and an electrical compensation method, which can improve system integration and response speed.
  • At least one embodiment of the present disclosure provides an image display driving device including a detecting circuit and a data superimposing circuit.
  • the detection circuit is configured to acquire an electrical compensation data signal of the display panel;
  • the data superposition circuit is configured to superimpose the electrical compensation data signal and the initial driving data signal to obtain the compensated driving data signal.
  • At least one embodiment of the present disclosure also provides a display device including the above-described driving device and a display panel electrically coupled to the driving device, the display panel being configured to detect an electrically compensated data signal.
  • At least one embodiment of the present disclosure also provides an electrical compensation method including acquiring an electrical compensation data signal of a display panel, and superimposing the electrical compensation data signal and the initial driving data signal to obtain a compensated driving data signal.
  • a repair system and a repair method of a display panel according to an embodiment of the present disclosure will be described below by way of several embodiments.
  • FIG. 1 shows an exemplary block diagram of an image display driving apparatus 100 according to Embodiment 1 of the present disclosure.
  • the image display driving apparatus 100 may include a detecting circuit 111 and a data superposing circuit 112.
  • the specific types and setting manners of the detecting circuit 111 and the data superimposing circuit 112 can be set according to actual application requirements, and the embodiment of the present disclosure does not specifically limit this.
  • the embodiment further provides a display device 10 including the image display driving device 100 provided in the first embodiment of the present disclosure.
  • FIG. 2 shows an exemplary block diagram of the above display device 10.
  • the display device 10 may further include a display panel 160 electrically connected to the image display driving device 100, and the display panel 160 may be, for example, an AMOLED display panel.
  • the display panel 160 is configured to detect an electrically compensated data signal, and the detected electrical compensation data signal can be provided, for example, to the detection circuit 111 of the image display driving device 100.
  • the display device 10 may further include a timing control circuit 140 that may be configured to provide an initial driving data signal for the display panel 160 to the image display driving device 100, and the timing control circuit 140 may also be configured to provide a clock Signals, control signals, etc.
  • a timing control circuit 140 may be configured to provide an initial driving data signal for the display panel 160 to the image display driving device 100, and the timing control circuit 140 may also be configured to provide a clock Signals, control signals, etc.
  • the specific structure of the timing control circuit 140 can be referred to the conventional technology, and details are not described herein again.
  • the detection circuit 111 can be configured to acquire an electrical compensation data signal of the display panel 160.
  • the detection circuit 111 can be configured to acquire a detected electrical signal of the display panel 160 and acquire an electrical compensation data signal of the display panel 160 based on the detected electrical signal.
  • the value of the electrical compensation data signal can be equal to the value of the detected electrical signal.
  • the detected electrical signal can be a voltage signal or a current signal.
  • the pixel circuitry of display panel 160 can include an external compensation pixel circuit that can be configured to acquire a current signal or a voltage signal.
  • Figure 9A shows a 3T1C external compensation pixel circuit.
  • the 3T1C ie, three transistors and one capacitor compensates the pixel circuit based on the conventional 2T1C pixel circuit (including the driving transistor T1, the switching transistor T2, the storage capacitor C1, the scan line SCAN, the data line DATA, the voltage terminals VDD, and VSS).
  • FIG. 9B shows another 3T2C external compensation pixel circuit.
  • the 3T2C compensation pixel circuit is further provided with a sensing line (SENSE), a sensing transistor T3 and a sensing capacitor C2 on the basis of the conventional 2T1C pixel circuit, whereby the characteristics of the driving transistor T1 or the OLED can be collected and the voltage signal is sensed.
  • the way to output to the detection circuit is merely an example, and embodiments of the present disclosure are not limited to the specific compensation pixel circuit of the display panel shown, and other forms of compensation pixel circuits may be applied as needed.
  • the detecting circuit 111 may include a voltage sampling circuit on the premise that the electrical signal is detected as a voltage signal; and, for example, the detecting circuit 111 may include a current sampling circuit on the premise that the detected electrical signal is a current signal.
  • the specific circuit structure of the voltage sampling circuit and/or the current sampling circuit can be referred to a conventional voltage sampling circuit and/or a current sampling circuit, and details are not described herein again.
  • the detecting circuit 111 may sample the display panel 160 before the display panel 160 displays each frame of image, that is, each display period of the display panel 160 includes a detecting phase and a display phase, and the detecting circuit 111 may display the display phase during the detecting phase.
  • the electrical signal of panel 160 is sampled and the sampled signal is used in the drive data signal compensation of the display phase of the cycle.
  • the detecting circuit 111 may first detect an electrical signal of the display panel 160 of the last display period, thereby obtaining an electrical compensation data signal of the display panel 160, and using the obtained electrical compensation data signal for The compensation for the next display period.
  • the image display driving apparatus 100 provided in the first embodiment, since the detection phase is included in each display period, real-time compensation can be realized, and thus the compensation effect can be improved.
  • the detecting circuit 111 can sequentially sample the electrical signals of the respective pixels of the display panel 160 at the detecting stage, so that the detecting electrical signal and the electrical compensation data signal can be acquired for each pixel, thereby improving the display brightness of the display panel 160.
  • the compensation effect of the display panel 160 for example, according to actual application requirements, the display panel 160 may include a plurality of display areas, each of which may include a plurality of display pixels (for example, each display area may include 5 columns of pixels)
  • the detection circuit 111 can also sequentially sample the electrical signals of the respective display areas of the display panel 160, thereby reducing the number of times and time of sampling, and thereby shortening the time of the detection phase and reducing the power consumption caused by the detection.
  • the detection circuit 111 may further include an analog-to-digital conversion circuit that may be configured to convert an analog signal (eg, a detected electrical signal) acquired by the detection circuit 111 into a digital signal, at which time the data superposition circuit 112 may be superimposed The digital signal is used to obtain the compensated drive data signal, thereby reducing the complexity of the system.
  • an analog signal eg, a detected electrical signal
  • the data superposition circuit 112 may be superimposed The digital signal is used to obtain the compensated drive data signal, thereby reducing the complexity of the system.
  • the data superposition circuit 112 may be configured to superimpose the electrical compensation data signal acquired by the detection circuit 111 and the initial drive data signal supplied from the timing control circuit 140 of the display panel 160, and thus the compensated drive data signal may be obtained.
  • data superposition circuit 112 can include an arithmetic unit, such as an arithmetic and logic operator.
  • the logical operator may include at least one of an adder, a subtractor, and an operator that performs a required logical operation processing rule according to actual application requirements, but embodiments of the present disclosure are not limited thereto.
  • the compensated drive data signal may be provided to the display panel 160 to drive the display panel 160 to display an image, whereby the display brightness uniformity of the display panel 160 may be improved.
  • the electrical compensation data signal acquired by the detection circuit 111 may be positive or negative, so that the initial drive data signal may be increased or decreased to obtain a compensated drive data signal.
  • the data superimposing circuit 112 when operated to obtain the compensated driving data signal, it may be performed for the pixel, for example, the data corresponding to one frame may be processed each time, or the data corresponding to one or more rows of pixels may be processed each time. .
  • the image display driving apparatus 100 provided in Embodiment 1 includes acquiring a detection electrical signal of the display panel 160, acquiring an electrical compensation data signal of the display panel 160 based on the detection electrical signal, and acquiring compensation by superimposing the electrical compensation data signal and the initial driving data signal.
  • the functions or operations of the subsequent driving data signals, etc. can be realized in the above-described image display driving device 100 without the participation of the timing control circuit 140, so that the image display driving device 100 and the timing control circuit 140 can be reduced.
  • the number of data exchanges between and the electric compensation function can be completely integrated inside the image display driving device 100, whereby the integration degree and response speed of the image display driving device 100 can be improved.
  • the image display driving device 100 may further include a data bit conversion circuit 114 as needed.
  • the data bit conversion circuit 114 may convert the number of bits of the detected electrical signal to match the number of bits of the initial drive data signal. For example, in the case where the number of bits of the initial drive data signal is 6 bits and the number of bits of the detected electrical signal is 8 bits, the data bit conversion circuit 114 can convert the number of bits of the detected electrical signal into 6 bits, thereby reducing redundancy.
  • conversion methods include linear or nonlinear interpolation conversion, shift conversion, and the like.
  • the function of the data bit conversion circuit 114 provided by the present embodiment is not limited to converting the number of bits of the detected electrical signal to be the same as the number of bits of the initial drive data signal.
  • the data bit conversion circuit 114 can also convert the number of bits of the detected electrical signal such that the number of bits of the converted detected electrical signal is greater than the number of bits of the initial driven data signal and less than the number of bits of the detected electrical signal prior to conversion.
  • the specific structure of the data bit conversion circuit 114 can be referred to the conventional technology, and details are not described herein again.
  • the image display driving device 100 may further include a serial to parallel conversion circuit 130.
  • the serial to parallel conversion circuit 130 may convert the initial drive data signal supplied from the timing control circuit 140 from a serial format to a parallel format, and supply the initial drive data signal in the parallel format to the data superposition circuit 112.
  • the specific structure of the serial-to-parallel conversion circuit 130 can be referred to conventional techniques, and details are not described herein again.
  • the image display driving device 100 may further include a data driving circuit 120.
  • the data driving circuit 120 is configured to convert the compensated drive data signal of the display panel 160 into an analog signal suitable for driving the display panel 160.
  • the specific structure and the setting manner of the data driving circuit 120 can be set according to actual application requirements, and the embodiment of the present disclosure does not specifically limit this.
  • the data driving circuit 120 may include a logic processing circuit 121, a digital to analog conversion circuit 122, and an output buffer circuit 123.
  • the logic processing circuit 121 can convert the compensated drive data signal into a digital signal such as a line by data storage, conversion, etc., so that the digital signal of one line can be supplied to the digital-to-analog conversion circuit 122, thereby
  • the conversion circuit 122 can simultaneously supply the display panel 160 with an analog signal such as an entire line.
  • the specific structure of the logic processing circuit 121 can be referred to the conventional technology, and details are not described herein again.
  • the digital to analog conversion circuit 122 can convert the digital signal output by the logic processing circuit 121 into an analog signal, that is, convert the digital signal into a corresponding gray scale voltage signal.
  • an analog signal of the output of the digital to analog conversion circuit 122 can be supplied to the output buffer circuit 123.
  • the specific structure of the digital-to-analog conversion circuit 122 can be referred to the conventional technology, and details are not described herein again.
  • the output buffer circuit 123 is configured to amplify the analog signal output by the digital to analog conversion circuit 122, whereby a larger load (eg, the display panel 160) can be driven.
  • the output buffer circuit 123 may include an operational amplifier or other functional device depending on actual application requirements.
  • the specific structure of the operational amplifier can be referred to conventional techniques, and details are not described herein again.
  • the following functions or operations can be implemented in the image display driving device without the participation of the timing control circuit: acquiring the detected electrical signal of the display panel, and acquiring the electrical compensation data signal of the display panel based on the detected electrical signal. And acquiring the compensated driving data signal by superimposing the electrical compensation data signal and the initial driving data signal. Therefore, the number of data exchanges between the image display driving device and the timing control circuit outside the image display driving device can be reduced, and the electrical compensation function can be completely integrated inside the image display driving device, thereby improving the integration of the image display driving device. Degree and response speed. For example, since each display period includes a detection phase, real-time compensation can be achieved, and thus the compensation effect can be improved.
  • the embodiment provides an image display driving device 200 and a display device 20 including the image display driving device 200 provided in the embodiment.
  • the image display driving device 200 may be a driving chip for driving a display panel.
  • FIG. 4A shows an exemplary block diagram of an image display driving device 200 according to Embodiment 2 of the present disclosure
  • FIG. 4B is an example of a display device 20 including an image display driving device 200 according to Embodiment 2 of the present disclosure.
  • sexual block diagram may be shown in FIG. 4A
  • the image display driving device 200 may include a detecting circuit 211, a storage circuit 215, and a data superimposing circuit 212.
  • the specific circuit structure and setting manner of the detecting circuit 211 and the data superposing circuit 212 can be referred to the first embodiment, and the repeated description is omitted.
  • the image display driving device 200 provided in the second embodiment may further include a storage circuit 215, compared to the image display driving device 200 and the display device 20 provided in the first embodiment.
  • the storage circuit 215 may be configured to store the detected electrical signals (eg, electrically compensated data signals) acquired by the detection circuit 211 and provide the detected electrical signals to the data superposition circuit 212.
  • the storage circuit 215 may include a register, and may also be a semiconductor storage device (e.g., a dynamic random access device or a static random access device, etc.), but embodiments of the present disclosure are not limited thereto.
  • the display panel 260 may be sampled using the detecting circuit 211 only during the startup phase of the display device 20; then, it may be stored in each display cycle.
  • the detected electrical signal e.g., electrically compensated data signal
  • the initial driving data signal is provided, and thus the compensated driving data signal can be obtained, thereby further achieving electrical compensation of the display panel 260, and thus the display brightness uniformity of the display panel 260 can be improved.
  • the image display driving device 200 may further include a data bit conversion circuit (not shown in FIG. 4B) to reduce redundancy.
  • a data bit conversion circuit (not shown in FIG. 4B) to reduce redundancy.
  • the setting manner of the data bit conversion circuit can be set according to actual application requirements, which is not specifically limited in this embodiment.
  • the data bit conversion circuit may be electrically connected to the detection circuit 211 and the storage circuit 215, and configured to convert the number of bits of the detected electrical signal output by the detection circuit 211 into a form matching the number of bits of the initial drive data signal, and configured The stored detected electrical signals are stored in the storage circuit 215.
  • the data bit conversion circuit can also be electrically coupled to the storage circuit 215 and the data superposition circuit 212 and configured to convert the number of bits of the detected electrical signal provided by the storage circuit 215 into a form that matches the number of bits of the initial drive data signal. And configured to provide the converted detected electrical signal to the data overlay circuit 212.
  • the image display driving device 200 may further include a second data bit conversion circuit (not shown in FIG. 4B). At this time, the data bit conversion circuit may be electrically connected to the detection circuit 211 and the storage circuit 215, and configured to be detected.
  • the number of bits of the X-bit detected electrical signal output by the circuit 211 is converted to Y bits, and the detected electrical signal configured to digitize the Y bits is stored in the storage circuit 215; the second data bit conversion circuit can be coupled to the storage circuit 215 and
  • the data superposition circuit 212 is electrically connected and configured to convert the number of bits of the Y-bit detection electrical signal supplied from the storage circuit 215 into Z bits, and is configured to supply the Z-bit detection electrical signal to the data superposition circuit 212.
  • X may be greater than Y
  • Y may be greater than Z
  • the number of bits of the initial drive data signal may be less than or equal to Z bits.
  • the image display driving device 200 provided in this embodiment may further include a serial to parallel conversion circuit 230 and a data driving circuit 220.
  • the detection circuit 211 provided in this embodiment may further include an analog to digital conversion circuit (not shown in FIG. 4B).
  • the specific circuit structure and related description of the serial-to-parallel conversion circuit 230, the data driving circuit 220, and the analog-to-digital conversion circuit can be referred to the first embodiment, and details are not described herein again.
  • the integration degree and response speed of the image display driving device can be improved; and since the display panel can be sampled only during the startup phase of the display device Thus, the detection time and the power consumption caused by the detection can be minimized.
  • the embodiment provides an image display driving device 300 and a display device 30 including the image display driving device 300 provided in the embodiment.
  • the image display driving device 300 may be a driving chip for driving a display panel.
  • FIG. 5 shows an exemplary block diagram of an image display driving device 300 according to Embodiment 3 of the present disclosure
  • FIG. 6 is an example of a display device 30 including an image display driving device 300 according to Embodiment 3 of the present disclosure.
  • sexual block diagram for example, as shown in FIG. 5, the image display driving device 300 may include a detecting circuit 311, a storage circuit 315, and a data superimposing circuit 312.
  • the display device 30 may include a display panel 360, a timing control circuit 340, a calibration source 350, and the image display driving device 300 described above.
  • calibration source 350 can be configured to be electrically coupled to image display drive device 300, and where detection circuit 311 is further configured to acquire calibration base electrical signal D2, provide calibration basis electrical signal D2 to image display drive device 300 (eg, Provided to the detection circuit 311) of the image display driving device 300.
  • calibration source 350 can include a constant voltage source or a constant current source.
  • the calibration source 350 can be disposed on a PCB board (ie, a printed circuit board) as needed to improve the accuracy of calibrating the basic electrical signal D2, but the embodiment is not limited thereto.
  • the specific type and setting manner of the calibration source 350 may be set according to actual application requirements, and the embodiment of the present disclosure does not specifically limit this.
  • the detection circuit 311 provided in this embodiment may be configured to acquire the calibration basic electrical signal D2, compared to the detection circuit 311 provided in the first embodiment.
  • the deviation value (ie, the calibration deviation electrical signal) of the detected electrical signal D1 acquired by the detecting circuit 311 with respect to the electrical compensation data signal can be obtained based on the calibration basic electrical signal D2.
  • the present embodiment can acquire the calibration basic electrical signal D2 by detecting the electrical signal (eg, current signal or voltage signal) provided by the calibration source 350 using the detection circuit 311.
  • the detection circuit 311 can be used for each pixel to detect the electrical signal provided by the calibration source 350 and thereby obtain a calibration basis electrical signal D2 relative to each pixel.
  • the calibration source 350 can be electrically connected to the corresponding pixel of the display panel 360, whereby each display pixel corresponding to the display panel 360 can be acquired (eg, displayed)
  • the calibration of the pixel and the parasitic parameters caused by the internal circuitry are based on the electrical signal D2.
  • the display panel 360 may include a plurality of display areas, each of which may include a plurality of display pixels (for example, each display area may include 5 columns of pixels), and the detection circuit 311 may also be sequentially displayed for The respective display areas of the panel 360 sample the electrical signals output by the calibration source 350, thereby reducing the number of times and time of sampling, and thereby shortening the time of the detection phase and reducing the power consumption caused by the detection.
  • the detection circuit 311 can configure the electrical compensation data signal of the display panel 360 to be acquired based on the calibration basic electrical signal D2 and the detection electrical signal D1 acquired by the detection circuit 311. For example, in a case where the voltage value output by the calibration source 350 is 3 V, the detection circuit 311 detects that the obtained voltage values of the calibration basic electrical signals D2 with respect to the two pixels of the display panel 360 are 2.5 V and 2 V, respectively, and the detection circuit 311 In the case where the detected voltage values of the detected electrical signals D1 with respect to the two pixels of the display panel 360 are respectively 4V and 3V, the calibration deviation signals of the above two pixels can be acquired based on the above data (ie, the detected electrical signals D1 are relatively The voltage values of the deviation values of the electrical compensation data signals are 0.5 V and 1 V, respectively, and the voltage values of the electrical compensation data signals of the above two pixels can be obtained to be 4.5 V and 4 V, respectively.
  • the voltage value of the calibration basic electrical signal D2 in the above example is less than the voltage value output by the calibration source 350, but the embodiment is not limited thereto, and the voltage value of the calibration basic electrical signal D2 may also be greater than or equal to, for example. Calibrate the voltage value output by source 350.
  • the detecting circuit 311 detects not only the detected electrical signal D1 of the display panel 360 but also the calibration basic electrical signal D2, the electrical power of the display panel 360 acquired based on the calibration basic electrical signal D2 and the detected electrical signal D1 is performed.
  • the compensation data signal is closer to the value of the compensation required by the display panel 360, thereby improving the compensation effect.
  • the calibration basic electrical signal D2 acquired by the detection circuit 311 can be stored in the storage circuit 315, whereby the detection circuit 311 can be used only in the startup phase of the display device 30.
  • the electrical signal output by calibration source 350 is sampled.
  • the value of the electrical signal output by the calibration source 350 can also be pre-stored in the storage circuit 315, whereby the calibration offset electrical signal can be provided to the data superposition circuit 312 for each display period.
  • the electrical compensation data signal (ie, the calibration deviation electrical signal provided by the storage circuit 315 and the detected electrical signal D1 provided by the detection circuit 311) may be superimposed using the data superposition circuit 312 at each display period and by the display panel 360
  • the timing control circuit 340 provides an initial drive data signal to obtain a compensated drive data signal.
  • the value of the electrical signal output by the calibration source 350 is not limited to being stored in the storage circuit 315.
  • the value of the electrical signal output by the calibration source 350 may be pre-stored in the data superimposing circuit 312 according to actual application requirements. in.
  • the image display driving apparatus 300 provided in this embodiment may further include at least one of a data bit conversion circuit (not shown in FIG. 6), a serial to parallel conversion circuit 330, and a data driving circuit 320.
  • the detection provided in this embodiment Circuit 311 may also include an analog to digital conversion circuit (not shown in Figure 6).
  • the specific circuit structure and related description of the data bit conversion circuit, the serial-to-parallel conversion circuit 330, the data driving circuit 320, and the analog-to-digital conversion circuit can be referred to the first embodiment and the second embodiment, and details are not described herein again.
  • the integration degree and response speed of the image display driving device can be improved, and the detection circuit can also detect the calibration basic electrical signal, thereby improving The compensation effect; again, since the calibration source is sampled only when the display device is activated, the detection time and the power consumption caused by the detection can be reduced.
  • the embodiment provides an image display driving device 400 and a display device 40 including the image display driving device 400 provided in the embodiment.
  • the image display driving device 400 may be a driving chip for driving a display panel.
  • FIG. 7A shows an exemplary block diagram of an image display driving device 400 provided by Embodiment 4 of the present disclosure
  • FIG. 7B is an example of a display device 40 including an image display driving device 400 provided in Embodiment 4 of the present disclosure.
  • sexual block diagram may be diagram.
  • the image display driving device 400 may include a detecting circuit 411, a storage circuit 415, and a data superimposing circuit 412.
  • the display device 40 can include a display panel 460, a timing control circuit 440, a calibration source 450, and the image display driving device 400 described above.
  • the image display driving device 400 provided in this embodiment is similar to the image display driving device 400 provided in the third embodiment.
  • the fourth embodiment and the third embodiment will be described herein. Duplicate content will not be described here.
  • the detected electrical signal D1 and the calibration basic electrical signal D2 acquired by the image display driving device 400 provided in the fourth embodiment can be stored in the storage circuit 415, and The display period is provided to the data superimposing circuit 412. Therefore, the image display driving device 400 and the display device 40 provided in this embodiment can use the detecting circuit 411 to sample the display panel 460 and the calibration source 450 only when the display device 40 is activated ( For example, the calibration source 450 may be sampled first, and then the display panel 460 may be sampled, but the present embodiment is not limited thereto, whereby the detection time and the power consumption caused by the detection may be further reduced.
  • the image display driving apparatus 400 provided in this embodiment may further include at least one of a data bit conversion circuit (not shown in FIG. 7B), a serial to parallel conversion circuit 430, and a data driving circuit 420.
  • the detection provided in this embodiment Circuit 411 may also include an analog to digital conversion circuit (not shown in Figure 7B).
  • the specific circuit structure and related description of the data bit conversion circuit, the serial-to-parallel conversion circuit 430, the data driving circuit 420, and the analog-to-digital conversion circuit can be referred to the first embodiment and the second embodiment, and details are not described herein again.
  • the integration degree and response speed of the image display driving device can be improved, and the detection circuit can also detect the calibration basic electrical signal, thereby improving The compensation effect; furthermore, since the calibration source and the display panel are sampled only during the startup phase of the display device, the detection time and the power consumption caused by the detection can be further reduced.
  • the electrical compensation method can be used to compensate the display panel to improve the display brightness uniformity of the display panel.
  • the electrical compensation method may include the following steps:
  • Step S110 Acquire an electrical compensation data signal of the display panel.
  • Step S120 superimposing the electrical compensation data signal and the initial driving data signal to obtain the compensated driving data signal.
  • the electronic display compensation method provided in this embodiment is described in detail below by taking the image display driving device and the display device shown in the third embodiment as an example.
  • the electrical compensation method provided in this embodiment is not limited thereto.
  • step S110 may include: acquiring a calibration deviation electrical signal and a detection electrical signal of the display panel, and acquiring an electrical compensation data signal of the display panel based on the calibration deviation electrical signal and the detection electrical signal.
  • a specific method for obtaining a calibration deviation electrical signal and a detection electrical signal of the display panel, and a specific method for acquiring the electrical compensation data signal of the display panel based on the calibration deviation electrical signal and the detection electrical signal can be referred to the third embodiment, and details are not described herein again.
  • step S120 a specific method of superimposing the electrical compensation data signal and the initial driving data signal to obtain the compensated driving data signal can be referred to the third embodiment, and details are not described herein again.
  • the electrical compensation method provided by this embodiment may further include: storing a calibration basic electrical signal, and reading the calibration basic electrical signal when superimposing the electrical compensation data signal and the initial driving data signal.
  • the method for storing the calibration basic electrical signal and the method for reading the calibration basic electrical signal can be referred to the third embodiment, and details are not described herein again.
  • the electrical compensation method provided by the embodiment may further include: converting the calibration deviation electrical signal and the detection electrical signal into a digital signal, and based on superimposing the electrical compensation data signal and the initial driving data acquired based on the calibration basic electrical signal and the detection electrical signal.
  • the signal acquires the compensated drive data signal.
  • the specific method for obtaining the compensated driving data signal by superimposing the electrical compensation data signal and the initial driving data signal can be referred to the third embodiment, and details are not described herein again.
  • the electrical compensation of the display panel does not require the participation of the timing control circuit, the amount of data exchange can be reduced, and thus the speed of compensation can be improved; and the electrical compensation method provided by the embodiment further detects the calibration basic electrical power. The signal can thereby improve the electrical compensation effect of the display panel; and since the calibration source can be sampled only at startup, the detection time and the power consumption caused by the detection can be reduced.

Abstract

一种图像显示驱动装置、显示装置和电学补偿方法。该图像显示驱动装置(100，200，300，400)包括检测电路(111，211，311，411)和数据叠加电路(112，212，312，412)。检测电路(111，211，311，411)配置为获取显示面板(160，260，360，460)的电学补偿数据信号；数据叠加电路(112，212，312，412)配置为叠加电学补偿数据信号和初始驱动数据信号以得到补偿后的驱动数据信号。该图像显示驱动装置、显示装置和电学补偿方法实现了系统集成度和响应速度的提升。

Description

图像显示驱动装置、显示装置和电学补偿方法
本申请要求于2017年6月7日递交的中国专利申请第201710422374.6号的优先权，在此全文引用上述中国专利申请公开的内容以作为本申请的一部分。
技术领域
本公开的实施例涉及一种图像显示驱动装置、显示装置和电学补偿方法。
背景技术
有机发光二极管(Organic Light Emitting Diode，OLED)显示面板由于具有视角宽、对比度高、响应速度快以及相比于无机发光显示器件的更高的发光亮度、更低的驱动电压等优势而逐渐受到人们的广泛关注。由于上述特点，有机发光二极管(OLED)显示面板可以适用于手机、显示器、笔记本电脑、数码相机、仪器仪表等具有显示功能的装置。然而，有机发光二极管显示面板存在显示亮度不均匀的问题。通常可以采用光学补偿或者电学补偿的方法提升有机发光二极管显示面板的显示亮度的均匀度。
发明内容
本公开的一个实施例提供了一种图像显示驱动装置，该图像显示驱动装置包括检测电路和数据叠加电路。检测电路配置为获取显示面板的电学补偿数据信号；数据叠加电路配置为叠加电学补偿数据信号和初始驱动数据信号以得到补偿后的驱动数据信号。
例如，在本公开的一个实施例提供的一种图像显示驱动装置中，所述检测电路配置为获取校准基础电学信号和所述显示面板的检测电学信号，并基于所述校准基础电学信号和所述检测电学信号获取所述显示面板的电学补偿数据信号。
例如，在本公开的一个实施例提供的一种图像显示驱动装置中，所述检测电路包括电压采样电路或电流采样电路。
例如，在本公开的一个实施例提供的一种图像显示驱动装置中，所述驱动装置还包括存储电路。所述存储电路配置为存储所述校准基础电学信号或/和所述检测电学信号，并将所述校准基础电学信号或/和所述检测电学信号提供给所述数据叠加电路。
例如，在本公开的一个实施例提供的一种图像显示驱动装置中，所述存储电路包括寄存器。
例如，在本公开的一个实施例提供的一种图像显示驱动装置中，所述检测电路还包括模数转换电路；以及所述模数转换电路配置为将所述检测电路获取的模拟信号转换为数字信号。
例如，在本公开的一个实施例提供的一种图像显示驱动装置中，所述驱动装置还包括数据位转换电路，所述数据位转换电路配置为将所述校准基础电学信号的位数和所述检测电学信号的位数转换为与所述初始驱动数据信号的位数相匹配。
例如，在本公开的一个实施例提供的一种图像显示驱动装置中，所述驱动装置还包括数据驱动电路，所述数据驱动电路配置为将所述显示面板的补偿后的驱动数据信号转换为适用于驱动所述显示面板的模拟信号。
本公开的另一个实施例提供了一种显示装置，该显示装置包括上述的驱动装置以及与驱动装置电连接的显示面板，显示面板配置为可检测电学补偿数据信号。
例如，在本公开的另一个实施例提供的一种显示装置中，所述显示装置还包括校准源和时序控制电路。校准源配置为与所述驱动装置电连接，并且在所述检测电路还配置为获取校准基础电学信号的情况下，将校准基础电学信号提供给所述驱动装置；时序控制电路配置为将所述显示面板的初始驱动数据信号提供给所述驱动装置。
例如，在本公开的另一个实施例提供的一种显示装置中，所述校准源包括恒压源或恒流源。
本公开的再一个实施例提供了一种电学补偿方法，该电学补偿方法包括获取显示面板的电学补偿数据信号，以及叠加电学补偿数据信号和初始驱动数据信号以得到补偿后的驱动数据信号。
例如，在本公开的再一个实施例提供的一种电学补偿方法中，获取校准 基础电学信号和所述显示面板的检测电学信号，并基于所述校准基础电学信号和所述检测电学信号获取所述显示面板的电学补偿数据信号。
例如，在本公开的再一个实施例提供的一种电学补偿方法中，所述电学补偿方法还包括：存储所述校准基础电学信号或/和所述检测电学信号，并在叠加所述电学补偿数据信号和所述初始驱动数据信号时读取所述校准基础电学信号或/和所述检测电学信号。
例如，在本公开的再一个实施例提供的一种电学补偿方法中，所述电学补偿方法还包括：将所述校准基础电学信号和所述检测电学信号转换为数字信号，并基于叠加基于所述校准基础电学信号和所述检测电学信号获取的所述电学补偿数据信号和所述初始驱动数据信号获取所述补偿后的驱动数据信号。
附图说明
为了更清楚地说明本公开实施例的技术方案，下面将对实施例或相关技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅涉及本公开的一些实施例，并非对本公开的限制。
图1是本公开实施例一提供的一种图像显示驱动装置的示例性框图；
图2是包含本公开实施例一提供的一种图像显示驱动装置的显示装置的示例性框图；
图3是本公开实施例一提供的一种数据驱动电路的示意性框图；
图4A是本公开实施例二提供的一种图像显示驱动装置的示例性框图；
图4B是包含本公开实施例二提供的一种图像显示驱动装置的显示装置的示例性框图；
图5是本公开实施例三提供的一种图像显示驱动装置的示例性框图；
图6是包含本公开实施例三提供的一种图像显示驱动装置的显示装置的示例性框图；
图7A是本公开实施例四提供的一种图像显示驱动装置的示例性框图；
图7B是包含本公开实施例四提供的一种图像显示驱动装置的显示装置的示例性框图；
图8是本公开实施例五提供的一种电学补偿方法的示例性流程图；
图9A是一种3T1C外部补偿像素电路；以及
图9B是另一种3T2C外部补偿像素电路。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例的附图，对本发明实施例的技术方案进行清楚、完整地描述。显然，所描述的实施例是本发明的一部分实施例，而不是全部的实施例。基于所描述的本发明的实施例，本领域普通技术人员在无需创造性劳动的前提下所获得的所有其他实施例，都属于本发明保护的范围。
除非另外定义，本公开使用的技术术语或者科学术语应当为本发明所属领域内具有一般技能的人士所理解的通常意义。本公开中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。同样，“一个”、“一”或者“该”等类似词语也不表示数量限制，而是表示存在至少一个。“包括”或者“包含”等类似的词语意指出现该词前面的元件或者物件涵盖出现在该词后面列举的元件或者物件及其等同，而不排除其他元件或者物件。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接，而是可以包括电性的连接，不管是直接的还是间接的。“上”、“下”、“左”、“右”等仅用于表示相对位置关系，当被描述对象的绝对位置改变后，则该相对位置关系也可能相应地改变。
发明人注意到可以使用下述的一种电学补偿方法提升有机发光二极管显示面板的显示亮度的均匀度。首先，使用用于驱动显示面板的图像显示驱动装置(例如，驱动芯片)对面板输出的电学信号进行采样；然后，将驱动芯片获取的电学采样数据提供给时序控制电路(即，T-CON电路)；接着，时序控制电路基于特定的补偿算法叠加电学采样数据和初始驱动数据，以得到补偿后的驱动数据；最后，时序控制电路将补偿后的驱动数据提供给显示面板，并由此可以提升显示面板的显示亮度的均匀度。
然而，发明人还注意到，在使用上述方法进行电学补偿时，补偿过程需要时序控制电路的参与，并涉及时序控制电路内的补偿算法设计、采样数据读取、采样数据叠加等问题，由此降低了系统集成度和响应速度。
本公开的至少一个实施例提供了一种图像显示驱动装置、显示装置和电 学补偿方法，可以提升系统集成度和响应速度。
本公开的至少一个实施例提供了一种图像显示驱动装置，该图像显示驱动装置包括检测电路和数据叠加电路。检测电路配置为获取显示面板的电学补偿数据信号；数据叠加电路配置为叠加电学补偿数据信号和初始驱动数据信号以得到补偿后的驱动数据信号。
本公开的至少一个实施例还提供了一种显示装置，该显示装置包括上述的驱动装置以及与驱动装置电连接的显示面板，显示面板配置为可检测电学补偿数据信号。
本公开的至少一个实施例还提供了一种电学补偿方法，该电学补偿方法包括获取显示面板的电学补偿数据信号，以及叠加电学补偿数据信号和初始驱动数据信号以得到补偿后的驱动数据信号。
下面通过几个实施例对根据本公开实施例的显示面板的修复系统和修复方法进行说明。
实施例一
本实施例提供一种图像显示驱动装置100，该图像显示驱动装置100例如可以为用于驱动显示面板的驱动芯片。例如，图1示出了本公开实施例一提供的一种图像显示驱动装置100的示例性框图，如图1所示，该图像显示驱动装置100可以包括检测电路111和数据叠加电路112。例如，检测电路111和数据叠加电路112的具体类型和设置方式可以根据实际应用需求进行设定，本公开的实施例对此不做具体限定。
本实施例还提供一种包含本公开实施例一提供的图像显示驱动装置100的显示装置10。例如，图2示出了上述显示装置10的示例性框图。例如，如图2所示，该显示装置10还可以包括与图像显示驱动装置100电连接的显示面板160，上述显示面板160例如可以是AMOLED显示面板。例如，显示面板160配置为可检测电学补偿数据信号，检测到的电学补偿数据信号例如可以提供给图像显示驱动装置100的检测电路111。例如，该显示装置10还可以包括时序控制电路140，时序控制电路140可以配置为将用于显示面板160的初始驱动数据信号提供给图像显示驱动装置100，时序控制电路140还可以配置为提供时钟信号、控制信号等。例如，时序控制电路140的具体结构可以参见常规技术，在此不再赘述。
例如，检测电路111可以配置为获取显示面板160的电学补偿数据信号。例如，检测电路111可以配置为获取显示面板160的检测电学信号，并基于该检测电学信号获取显示面板160的电学补偿数据信号。例如，电学补偿数据信号的数值可以等于检测电学信号的数值。
例如，该检测电学信号可以是电压信号，也可以是电流信号。例如，显示面板160的像素电路可以包括外部补偿像素电路，该外部补偿像素电路可以设置为采集电流信号或电压信号。例如图9A示出一种3T1C外部补偿像素电路。该3T1C(即三个晶体管及一个电容)补偿像素电路在传统的2T1C像素电路(包括驱动晶体管T1、开关晶体管T2、存储电容C1、扫描线SCAN、数据线DATA、电压端VDD及VSS)的基础上，还设置有感应线(SENSE)及感应晶体管T3，由此可以采集驱动晶体管T1或OLED的特性并通过感测电流信号或电压信号的方式输出到检测电路。或者，例如，图9B示出了另一种3T2C外部补偿像素电路。该3T2C补偿像素电路在在传统的2T1C像素电路的基础上，还设置有感应线(SENSE)、感应晶体管T3和感应电容C2，由此可以采集驱动晶体管T1或OLED的特性并通过感测电压信号的方式输出到检测电路。上述采集检测电学信号的方式仅仅作为示例，本公开的实施例不限于示出的显示面板的具体补偿像素电路，也可以根据需要适用其他形式的补偿像素电路。
例如，在检测电学信号是电压信号的前提下，检测电路111可以包括电压采样电路；又例如，在检测电学信号是电流信号的前提下，检测电路111可以包括电流采样电路。例如，电压采样电路和/或电流采样电路具体电路结构可以参见常规的电压采样电路和/或电流采样电路，在此不再赘述。
例如，检测电路111可以在显示面板160显示每帧图像之前对显示面板160进行采样，也即是显示面板160的每个显示周期均包括检测阶段和显示阶段，检测电路111可以在检测阶段对显示面板160的电学信号进行采样，并将采样获得的信号用于本周期显示阶段的驱动数据信号补偿中。又例如，根据实际应用需求，检测电路111还可以首先检测上一显示周期的显示面板160的电学信号，由此可以获取显示面板160的电学补偿数据信号，并将获取的电学补偿数据信号用于下一显示周期的补偿中。例如，对于实施例一提供的图像显示驱动装置100，由于每个显示周期均包括检测阶段，因此可以 实现实时补偿，并由此可以提升补偿效果。
例如，检测电路111可以在检测阶段依次对显示面板160的各个像素的电学信号进行采样，因此可以针对每个像素获取检测电学信号和电学补偿数据信号，由此可以提升显示面板160的显示亮度均匀度以及显示面板160的补偿效果；又例如，根据实际应用需求，显示面板160可以包括多个显示区域，每个显示区域可以包括多个显示像素(例如，每个显示区域可以包括5列像素)，检测电路111还可以依次对显示面板160的各个显示区域的电学信号进行采样，因此可以减少采样的次数和时间，并由此可以缩短检测阶段的时间，以及降低检测引起的功耗。
例如，检测电路111还可以包括模数转换电路，该模数转换电路可以配置为将检测电路111获取的模拟信号(例如，检测电学信号)转换为数字信号，此时数据叠加电路112可以通过叠加数字信号，以获取补偿后的驱动数据信号，由此可以降低系统的复杂度。
例如，数据叠加电路112可以配置为叠加由检测电路111获取的电学补偿数据信号以及由显示面板160的时序控制电路140提供的初始驱动数据信号，并因此可以得到补偿后的驱动数据信号。例如，数据叠加电路112可以包括运算器，例如算术和逻辑运算器。例如，根据实际应用需求，逻辑运算器可以包括加法器、减法器以及执行所需逻辑运算处理规则的运算器中的至少一个，但本公开的实施例不限于此。例如，补偿后的驱动数据信号可以提供给显示面板160，以驱动显示面板160显示图像，由此可以提升显示面板160的显示亮度均匀度。
检测电路111所获取的电学补偿数据信号可以正的也可以是负的，因此可以对初始驱动数据信号增加或减少以得到补偿后的驱动数据信号。例如，数据叠加电路112在运算以得到补偿后的驱动数据信号时，可以针对像素进行，例如可以每次处理一帧画面所对应的数据，又或者每次处理一行或多行像素所对应的数据。
例如，实施例一提供的图像显示驱动装置100包括获取显示面板160的检测电学信号，基于检测电学信号获取显示面板160的电学补偿数据信号，以及通过叠加电学补偿数据信号和初始驱动数据信号获取补偿后的驱动数据信号等功能或操作，由于这些功能或操作均可以在上述图像显示驱动装置 100中实现，而无需时序控制电路140的参与，因此可以降低图像显示驱动装置100与时序控制电路140之间的数据交换数量，并可以将电学补偿功能完全集成在图像显示驱动装置100内部，由此可以提升图像显示驱动装置100的集成度和响应速度。
例如，图像显示驱动装置100还可以根据需要包括数据位转换电路114，例如，数据位转换电路114可以将检测电学信号的位数转换为与初始驱动数据信号的位数相匹配。例如，在初始驱动数据信号的位数为6比特、检测电学信号的位数为8比特的情况下，数据位转换电路114可以将检测电学信号的位数转换为6比特，由此可以降低冗余。例如，转换方式包括线性或非线性插值转换、移位转换等。例如，本实施例提供的数据位转换电路114的功能不限于将检测电学信号的位数转换为与初始驱动数据信号的位数相同。例如，数据位转换电路114还可以转换检测电学信号的位数，以使得转换后的检测电学信号的位数大于初始驱动数据信号的位数且小于转换前的检测电学信号的位数。例如，数据位转换电路114的具体结构可以参见常规技术，在此不再赘述。
例如，图像显示驱动装置100还可以包括串并转换电路130。例如，串并转换电路130可以将时序控制电路140提供的初始驱动数据信号从串行格式转换为并行格式，并将并行格式的初始驱动数据信号提供给数据叠加电路112。例如，串并转换电路130的具体结构可以参见常规技术，在此不再赘述。
例如，图像显示驱动装置100还可以包括数据驱动电路120。例如，数据驱动电路120配置为将所述显示面板160的补偿后的驱动数据信号转换为适用于驱动所述显示面板160的模拟信号。例如，数据驱动电路120的具体结构和设置方式可以根据实际应用需求进行设定，本公开的实施例对此不做具体限定。例如，如图3所示，数据驱动电路120可以包括逻辑处理电路121、数模转换电路122和输出缓存电路123。
例如，逻辑处理电路121可以通过数据存储、转换等操作将补偿后的驱动数据信号转换为例如一行行的数字信号，因此可以将一行行的数字信号提供给数模转换电路122，由此数模转换电路122可以同时向显示面板160提供例如整行的模拟信号。例如，逻辑处理电路121的具体结构可以参见常规技术，在此不再赘述。
例如，数模转换电路122可以将逻辑处理电路121输出的数字信号转换为模拟信号，也即是将数字信号转换为相应的灰阶电压信号。例如，数模转换电路122的输出的模拟信号可以提供给输出缓存电路123。例如，数模转换电路122的具体结构可以参见常规技术，在此不再赘述。
例如，输出缓存电路123配置为放大数模转换电路122输出的模拟信号，由此可以驱动较大的负载(例如，显示面板160)。例如，根据实际应用需求，输出缓存电路123可以包括运算放大器或其它功能器件。例如，运算放大器的具体结构可以参见常规技术，在此不再赘述。
例如，在本实施例中，下述功能或操作均可以在图像显示驱动装置中实现，而无需时序控制电路参与：获取显示面板的检测电学信号，基于检测电学信号获取显示面板的电学补偿数据信号，以及通过叠加电学补偿数据信号和初始驱动数据信号获取补偿后的驱动数据信号。因此，可以降低图像显示驱动装置与图像显示驱动装置外部的时序控制电路之间的数据交换数量，并可以将电学补偿功能完全集成在图像显示驱动装置内部，由此可以提升图像显示驱动装置的集成度和响应速度。例如，由于每个显示周期均包括检测阶段，因此可以实现实时补偿，并由此可以提升补偿效果。
实施例二
本实施例提供一种图像显示驱动装置200和包含本实施例提供的图像显示驱动装置200的显示装置20。例如，该图像显示驱动装置200可以为用于驱动显示面板的驱动芯片。例如，图4A示出了本公开实施例二提供的一种图像显示驱动装置200的示例性框图，图4B是包含本公开实施例二提供的一种图像显示驱动装置200的显示装置20的示例性框图。例如，如图4A所示，该图像显示驱动装置200可以包括检测电路211、存储电路215和数据叠加电路212。例如，检测电路211和数据叠加电路212的具体电路结构和设置方式可以参见实施例一，重复之处不再赘述。
例如，如图4B所示，相比于实施例一提供的图像显示驱动装置200和显示装置20，实施例二提供的图像显示驱动装置200还可以包括存储电路215。例如，存储电路215可以配置为存储检测电路211获取的检测电学信号(例如，电学补偿数据信号)，并将检测电学信号提供给数据叠加电路212。例如，存储电路215可以包括寄存器，还可以为半导体存储装置(例如动态 随机存储装置或静态随机存储装置等)，但本公开的实施例不限于此。
例如，对于本实施例提供的图像显示驱动装置200和显示装置20，可以仅在显示装置20的启动阶段，使用检测电路211对显示面板260进行采样；然后，可以在每个显示周期，将存储电路215存储的检测电学信号(例如，电学补偿数据信号)提供给数据叠加电路212；因此，数据叠加电路212可以叠加由存储电路215提供的电学补偿数据信号以及由显示装置20的时序控制电路240提供的初始驱动数据信号，并由此可以获取补偿后的驱动数据信号，进而可以实现显示面板260的电学补偿，并因此可以提升显示面板260的显示亮度均匀度。
例如，图像显示驱动装置200还可以包括数据位转换电路(图4B中未示出)，以降低冗余。例如，数据位转换电路的设置方式可以根据实际应用需求进行设定，本实施例对此不做具体限定。例如，数据位转换电路可以与检测电路211和存储电路215电连接，并配置为将检测电路211输出的检测电学信号的位数转换为与初始驱动数据信号的位数相匹配的形式，并配置为将转换后的检测电学信号存储在存储电路215中。又例如，数据位转换电路还可以与存储电路215和数据叠加电路212电连接，并配置为将存储电路215提供的检测电学信号的位数转换为与初始驱动数据信号的位数相匹配的形式，以及配置为将转换后的检测电学信号提供给数据叠加电路212。再例如，图像显示驱动装置200还可以包括第二数据位转换电路(图4B中未示出)，此时，数据位转换电路可以与检测电路211和存储电路215电连接，并配置为将检测电路211输出的X比特的检测电学信号的位数转换为Y比特，以及配置为将位数为Y比特的检测电学信号存储在存储电路215中；第二数据位转换电路可以与存储电路215和数据叠加电路212电连接，并配置为将存储电路215提供的Y比特的检测电学信号的位数转换为Z比特，以及配置为将Z比特的检测电学信号提供给数据叠加电路212。例如，根据实际应用需求，X可以大于Y，Y可以大于Z，初始驱动数据信号的位数可以小于或等于Z比特。
例如，本实施例提供的图像显示驱动装置200还可以包括串并转换电路230和数据驱动电路220，本实施例提供的检测电路211还可以包括模数转换电路(图4B中未示出)。例如，串并转换电路230、数据驱动电路220和模 数转换电路的具体电路结构和相关描述可以参见实施例一，在此不再赘述。
例如，在本实施中，由于电学补偿功能完全集成在图像显示驱动装置内部，由此可以提升图像显示驱动装置的集成度和响应速度；又由于可以仅在显示装置的启动阶段对显示面板进行采样，由此可以最小化检测时间以及检测引起的功耗。
实施例三
本实施例提供一种图像显示驱动装置300和包含本实施例提供的图像显示驱动装置300的显示装置30。例如，该图像显示驱动装置300可以为用于驱动显示面板的驱动芯片。例如，图5示出了本公开实施例三提供的一种图像显示驱动装置300的示例性框图，图6是包含本公开实施例三提供的一种图像显示驱动装置300的显示装置30的示例性框图。例如，如图5所示，该图像显示驱动装置300可以包括检测电路311、存储电路315和数据叠加电路312。例如，如图6所示，该显示装置30可以包括显示面板360、时序控制电路340、校准源350以及上述的图像显示驱动装置300。
例如，校准源350可以配置为与图像显示驱动装置300电连接，并且在检测电路311还配置为获取校准基础电学信号D2的情况下，将校准基础电学信号D2提供给图像显示驱动装置300(例如，提供给图像显示驱动装置300的检测电路311)。例如，校准源350可以包括恒压源或恒流源。例如，校准源350可以根据需求设置在PCB板(即，印刷电路板)上，以提升校准基础电学信号D2的准确度，但本实施例不限于此。例如，校准源350的具体类型和设置方式可以根据实际应用需求进行设定，本公开的实施例对此不做具体限定。
例如，相比于实施例一提供的检测电路311，本实施例提供的检测电路311还可以配置为获取校准基础电学信号D2。例如，可以基于校准基础电学信号D2得到检测电路311获取的检测电学信号D1相对于电学补偿数据信号的偏差值(也即，校准偏差电学信号)。例如，本实施例可以通过使用检测电路311检测校准源350提供的电学信号(例如，电流信号或电压信号)来获取校准基础电学信号D2。
例如，可以针对每个像素使用检测电路311检测校准源350提供的电学信号，并由此获得相对于每个像素的校准基础电学信号D2。例如，可以在使 用检测电路311检测校准源350提供的电学信号时，使得校准源350与显示面板360的相应的像素电连接，由此可以获取对应于显示面板360的各显示像素(例如，显示像素的连线以及内部电路引起的寄生参数)的校准基础电学信号D2。又例如，根据实际应用需求，显示面板360可以包括多个显示区域，每个显示区域可以包括多个显示像素(例如，每个显示区域可以包括5列像素)，检测电路311还可以依次针对显示面板360的各个显示区域对校准源350输出的电学信号进行采样，因此可以减少采样的次数和时间，并由此可以缩短检测阶段的时间，以及降低检测引起的功耗。
例如，在本实施例中，检测电路311可以配置基于检测电路311获取的校准基础电学信号D2和检测电学信号D1获取显示面板360的电学补偿数据信号。例如，在校准源350输出的电压值为3V的情况下，检测电路311检测获得的相对于显示面板360的两个像素的校准基础电学信号D2的电压值分别为2.5V和2V，检测电路311检测获得的相对于显示面板360的两个像素的检测电学信号D1的电压值分别为4V和3V的情况下，可以基于上述数据获取上述两个像素的校准偏差信号(即，检测电学信号D1相对于电学补偿数据信号的偏差值)的电压值分别为0.5V和1V，并可以获取上述两个像素的电学补偿数据信号的电压值分别为4.5V和4V。例如，为了清楚起见，上述示例中的校准基础电学信号D2的电压值均小于校准源350输出的电压值，但本实施例不限于此，校准基础电学信号D2的电压值例如还可以大于或等于校准源350输出的电压值。
例如，在本实施例中，由于检测电路311不仅检测显示面板360的检测电学信号D1，还检测校准基础电学信号D2，因此基于校准基础电学信号D2和检测电学信号D1获取的显示面板360的电学补偿数据信号更接近显示面板360所需补偿的数值，由此提升了补偿效果。
例如，考虑到校准基础电学信号D2的数值相对固定，因此可以将检测电路311获取的校准基础电学信号D2存储在存储电路315中，由此可以仅在显示装置30的启动阶段，使用检测电路311对校准源350输出的电学信号进行采样。例如，还可以将校准源350输出的电学信号的数值预先存储在存储电路315中，由此可以在每个显示周期向数据叠加电路312提供校准偏差电学信号。例如，可以在每个显示周期，使用数据叠加电路312叠加电学补 偿数据信号(即，由存储电路315提供的校准偏差电学信号以及由检测电路311提供的检测电学信号D1)以及由显示面板360的时序控制电路340提供的初始驱动数据信号，以获取补偿后的驱动数据信号。例如，在本实施例中，校准源350输出的电学信号的数值不限于存储在存储电路315中，根据实际应用需求，还可以将校准源350输出的电学信号的数值预先存储在数据叠加电路312中。
例如，本实施例提供的图像显示驱动装置300还可以包括数据位转换电路(图6中未示出)、串并转换电路330和数据驱动电路320中的至少一种，本实施例提供的检测电路311还可以包括模数转换电路(图6中未示出)。例如，数据位转换电路、串并转换电路330、数据驱动电路320和模数转换电路的具体电路结构和相关描述可以参见实施例一和实施例二，在此不再赘述。
例如，在本实施中，由于电学补偿功能完全集成在图像显示驱动装置内部，由此可以提升图像显示驱动装置的集成度和响应速度；又由于检测电路还检测校准基础电学信号，由此可以提升补偿效果；再由于仅在显示装置启动时对校准源进行采样，由此可以降低检测时间以及检测引起的功耗。
实施例四
本实施例提供一种图像显示驱动装置400和包含本实施例提供的图像显示驱动装置400的显示装置40。例如，该图像显示驱动装置400可以为用于驱动显示面板的驱动芯片。例如，图7A示出了本公开实施例四提供的一种图像显示驱动装置400的示例性框图，图7B是包含本公开实施例四提供的一种图像显示驱动装置400的显示装置40的示例性框图。例如，如图7A所示，该图像显示驱动装置400可以包括检测电路411、存储电路415和数据叠加电路412。例如，如图7B所示，该显示装置40可以包括显示面板460、时序控制电路440、校准源450以及上述的图像显示驱动装置400。
例如，本实施例提供的图像显示驱动装置400类似于实施例三提供的图像显示驱动装置400，为了清楚起见，在此仅描述实施例四相比于实施例三的区别，对于与实施例三重复的内容，在此不再赘述。
例如，相比于实施例三提供的图像显示驱动装置400，实施例四提供的图像显示驱动装置400获取的检测电学信号D1和校准基础电学信号D2均可 以存储在存储电路415中，并且在每个显示周期提供给数据叠加电路412，因此本实施例提供的图像显示驱动装置400和显示装置40，可以仅在显示装置40启动时，使用检测电路411对显示面板460和校准源450进行采样(例如，可以先对校准源450进行采样，然后对显示面板460进行采样，但本实施不限于此)，由此可以进一步降低检测时间以及检测引起的功耗。
例如，本实施例提供的图像显示驱动装置400还可以包括数据位转换电路(图7B中未示出)、串并转换电路430和数据驱动电路420中的至少一种，本实施例提供的检测电路411还可以包括模数转换电路(图7B中未示出)。例如，数据位转换电路、串并转换电路430、数据驱动电路420和模数转换电路的具体电路结构和相关描述可以参见实施例一和实施例二，在此不再赘述。
例如，在本实施中，由于电学补偿功能完全集成在图像显示驱动装置内部，由此可以提升图像显示驱动装置的集成度和响应速度；又由于检测电路还检测校准基础电学信号，由此可以提升补偿效果；再由于仅在显示装置的启动阶段对校准源和显示面板进行采样，由此可以进一步地降低检测时间以及检测引起的功耗。
实施例五
本实施例提供一种电学补偿方法。例如，该电学补偿方法可用于对显示面板进行补偿，以提升显示面板的显示亮度均匀度。例如，如图8所示，该电学补偿方法可以包括以下步骤：
步骤S110：获取显示面板的电学补偿数据信号；
步骤S120：叠加电学补偿数据信号和初始驱动数据信号以得到补偿后的驱动数据信号。
例如，下面以实施例三所示的图像显示驱动装置和显示装置为例，对本实施例提供的电学补偿方法进行详细阐述，但是本实施例提供的电学补偿方法不限于此。
例如，步骤S110可以包括：获取校准偏差电学信号和显示面板的检测电学信号，并基于校准偏差电学信号和检测电学信号获取显示面板的电学补偿数据信号。例如，获取校准偏差电学信号和显示面板的检测电学信号的具体方法以及基于校准偏差电学信号和检测电学信号获取显示面板的电学补偿 数据信号的具体方法可以参见实施例三，在此不再赘述。
例如，在步骤S120中，叠加电学补偿数据信号和初始驱动数据信号以得到补偿后的驱动数据信号的具体方法可以参见实施例三，在此不再赘述。
例如，本实施例提供的电学补偿方法还可以包括：存储校准基础电学信号，并在叠加电学补偿数据信号和初始驱动数据信号时读取校准基础电学信号。例如，存储校准基础电学信号以及读取校准基础电学信号的方法可以参见实施例三，在此不再赘述。
例如，本实施例提供的电学补偿方法还可以包括：将校准偏差电学信号和检测电学信号转换为数字信号，并基于叠加基于校准基础电学信号和检测电学信号获取的电学补偿数据信号和初始驱动数据信号获取补偿后的驱动数据信号。例如，通过叠加电学补偿数据信号和初始驱动数据信号获取补偿后的驱动数据信号的具体方法可以参见实施例三，在此不再赘述。
例如，在本实施中，由于显示面板的电学补偿无需时序控制电路参与，由此可以降低数据交换量，并因此可以提升补偿的速度；又由于本实施例提供的电学补偿方法还检测校准基础电学信号，由此可以提升显示面板的电学补偿效果；再由于可以仅在启动时对校准源进行采样，由此可以降低检测时间以及检测引起的功耗。
显然，本领域的技术人员可以对本公开的实施例进行各种改动、变型、组合而不脱离本公开的精神和范围。这样，倘若本公开的实施例的这些修改、变型、组合属于本公开权利要求及其等同技术的范围之内，则本公开也意图包含这些改动和变型在内。
以上所述仅是本发明的示范性实施方式，而非用于限制本发明的保护范围，本发明的保护范围由所附的权利要求确定。

Claims (15)

  1. 一种图像显示驱动装置，包括：
    检测电路，配置为获取显示面板的电学补偿数据信号；
    数据叠加电路，配置为叠加所述电学补偿数据信号和初始驱动数据信号以得到补偿后的驱动数据信号。
  2. 根据权利要求1所述的驱动装置，其中，
    所述检测电路配置为获取校准基础电学信号和所述显示面板的检测电学信号，并基于所述校准基础电学信号和所述检测电学信号获取所述显示面板的电学补偿数据信号。
  3. 根据权利要求2所述的驱动装置，其中，
    所述检测电路包括电压采样电路或电流采样电路。
  4. 根据权利要求2或3所述的驱动装置，还包括：存储电路，其中，
    所述存储电路配置为存储所述校准基础电学信号或/和所述检测电学信号，并将所述校准基础电学信号或/和所述检测电学信号提供给所述数据叠加电路。
  5. 根据权利要求4所述的驱动装置，其中，所述存储电路包括寄存器。
  6. 根据权利要求3所述的驱动装置，其中，
    所述检测电路还包括模数转换电路；以及
    所述模数转换电路配置为将所述检测电路获取的模拟信号转换为数字信号。
  7. 根据权利要求2-6任一所述的驱动装置，还包括：数据位转换电路，其中，
    所述数据位转换电路配置为将所述校准基础电学信号的位数和所述检测电学信号的位数转换为与所述初始驱动数据信号的位数相匹配。
  8. 根据权利要求1-7任一所述的驱动装置，还包括数据驱动电路，其中，
    所述数据驱动电路配置为将所述显示面板的补偿后的驱动数据信号转换为适用于驱动所述显示面板的模拟信号。
  9. 一种显示装置，包括如权利要求1-8任一所述的驱动装置以及与所述驱动装置电连接的显示面板，其中，所述显示面板配置为可检测电学补偿数 据信号。
  10. 根据权利要求9所述的显示装置，还包括：
    校准源，配置为与所述驱动装置电连接，并且在所述检测电路还配置为获取校准基础电学信号的情况下，将校准基础电学信号提供给所述驱动装置；
    时序控制电路，配置为将所述显示面板的初始驱动数据信号提供给所述驱动装置。
  11. 根据权利要求10所述的显示装置，其中，所述校准源包括恒压源或恒流源。
  12. 一种电学补偿方法，包括：
    获取显示面板的电学补偿数据信号；以及
    叠加所述电学补偿数据信号和初始驱动数据信号以得到补偿后的驱动数据信号。
  13. 根据权利要求12所述的电学补偿方法，其中，
    获取校准基础电学信号和所述显示面板的检测电学信号，并基于所述校准基础电学信号和所述检测电学信号获取所述显示面板的电学补偿数据信号。
  14. 根据权利要求13所述的电学补偿方法，还包括：
    存储所述校准基础电学信号或/和所述检测电学信号，并在叠加所述电学补偿数据信号和所述初始驱动数据信号时读取所述校准基础电学信号或/和所述检测电学信号。
  15. 根据权利要求13或14所述的电学补偿方法，还包括：
    将所述校准基础电学信号和所述检测电学信号转换为数字信号，并基于叠加基于所述校准基础电学信号和所述检测电学信号获取的所述电学补偿数据信号和所述初始驱动数据信号获取所述补偿后的驱动数据信号。
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