Patent ID: 11942044
Assignee: HKC CORPORATION LIMITED
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 8:
9. The pixel compensation device according to claim 8, wherein the data driver comprises an analog-to-digital converter configured to acquire an actual driving analog voltage output by each of the organic light-emitting sub-pixels in the detection row, and to perform analog-to-digital conversion on the actual driving analog voltage to convert the actual driving analog voltage into the actual driving digital voltage; and
wherein the timing controller further is configured to calculate the data compensation digital voltage corresponding to each of the organic light-emitting sub-pixels in the detection row based on a compensation calculation formula of DATAcompensation=DATAoriginal−k×DATAdifference+m, where DATAcompensation is the data compensation digital voltage, DATAoriginal is the original data digital voltage corresponding to the organic light-emitting sub-pixel, DATAdifference is the voltage difference, k is a first positive constant, and m is a second positive constant; and
wherein the data driver further comprises a digital-to-analog converter connected to the timing controller and configured to perform digital-to-analog conversion on the data compensation digital voltage to convert the data compensation digital voltage into the data compensation analog voltage, and to output a matched data compensation analog voltage to each of the organic light-emitting sub-pixels in the detection row.