Pixel driving circuit, active electroluminescent display and driving method
A pixel drive circuit and luminescent technology, applied in static indicators, instruments, etc., can solve problems such as limited number of gray scales, wrong contours, and color shift of MicroLEDs
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Embodiment 1
[0054] Such as image 3 As shown, the structure of an active electroluminescent display device basically consists of a pixel array component Pixel, a scan driver Scan, a data input driver DATA, and a data input driver ba. The pixel array components are connected to the scan lines SCAN arranged in rows, the first data signal lines and the second data signal lines arranged in columns, and the pixel array components also include a plurality of power lines for providing the required power supply lines for the operation of the pixels. Low potential power supply VSS and high potential power supply VDD. The first data signal line required for the operation of the pixel is used to control the pulse width of the PWM signal, the second data signal line is used to control the output current of the current source, the low potential power supply VSS is also used for grounding, and the high potential power supply VDD is used for supplying to the The pixel provides power supply, the first d...
Embodiment 2
[0083] Such as image 3 As shown, the structure of the active electroluminescent display in the second embodiment is basically composed of a pixel array component Pixel, a scan driver Scan, a data input driver DATA, and a data input driver ba. The pixel array part is connected to the scan line SCAN arranged in rows, the first data signal line and the second signal data line arranged in columns, and the pixel array part also includes a plurality of power lines for providing the pixel operation required Low potential power supply VSS and high potential power supply VDD. The first data signal line required for the operation of the pixel is used to control the pulse width of the PWM signal, the second data signal line is used to control the output current of the current source, the low potential power supply VSS is also used for grounding, and the high potential power supply VDD is used for supplying to the The pixels provide the power supply.
[0084] The display device of the ...
Embodiment 3
[0098] Such as Figure 8 As shown, the structure of an active electroluminescent display in Embodiment 3 basically consists of a pixel array component Pixel, a scanning driver Scan, a data input driver DATA, and a data input driver ba. The pixel array components are connected to the scan lines SCAN arranged in rows, the first data signal lines and the second data signal lines arranged in columns, and the pixel array components also include a plurality of power lines for providing the required power supply lines for the operation of the pixels. Low potential power supply VSS and high potential power supply VDD. The first data signal line required for the operation of the pixel is used to control the pulse width of the PWM signal, the second data signal line is used to control the output current of the current source, the low potential power supply VSS is also used for grounding, and the high potential power supply VDD is used for supplying to the The pixel provides power suppl...
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