Patent ID: 11869420
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 5:
6. The driving device according to claim 5, wherein a first corresponding relationship between the temperature ranges and the candidate parameters is stored in the timing controller; and the timing controller is configured to determine the target temperature range within which the target temperature falls and determine a candidate parameter corresponding to the target temperature range as the target parameter; wherein the target parameter comprises at least one of the waveform of the drive signal, a duty cycle of the drive signal, and a bias voltage of the drive signal; wherein there is at least one of:
the target parameter comprises the waveform of the drive signal; and the first corresponding relationship comprises a first temperature range, a second temperature range, a third temperature range, and a candidate waveform of the drive signal corresponding to each of the temperature ranges; wherein
the candidate waveform corresponding to the first temperature range is a direct current waveform; the candidate waveform corresponding to the second temperature range is a negative bias pulse waveform; and the candidate waveform corresponding to the third temperature range is a positive bias pulse waveform; or
the candidate waveform corresponding to the first temperature range is a negative bias pulse waveform; the candidate waveform corresponding to the second temperature range is a direct current waveform; and the candidate waveform corresponding to the third temperature range is a positive bias pulse waveform; an upper limit of the first temperature range being less than a lower limit of the second temperature range, and an upper limit of the second temperature range being less than a lower limit of the third temperature;
the waveform of the drive signal is a negative bias pulse waveform; the target parameter comprises a duty cycle and a bias voltage of the negative bias pulse waveform; and the first corresponding relationship comprises a first temperature range, a second temperature range, and a candidate duty cycle and a candidate bias voltage of the drive signal corresponding to each of the temperature ranges; wherein the candidate bias voltage corresponding to the first temperature range is greater than the candidate bias voltage corresponding to the second temperature range, and the candidate duty cycle corresponding to the first temperature range is less than the candidate duty cycle corresponding to the second temperature range, an upper limit of the first temperature range being less than a lower limit of the second temperature range;
the waveform of the drive signal is a negative bias pulse waveform, and the bias voltage of the drive signal is a target negative bias voltage; the target parameter comprises a duty cycle of the negative bias pulse waveform; and the first corresponding relationship comprises a first temperature range, a second temperature range, and a candidate duty cycle of the drive signal corresponding to each of the temperature ranges; wherein the candidate duty cycle corresponding to the first temperature range is less than the candidate duty cycle corresponding to the second temperature range, an upper limit of the first temperature range being less than a lower limit of the second temperature range; or
the waveform of the drive signal is a negative bias pulse waveform, and the duty cycle of the drive signal is a target duty cycle; the target parameter comprises a bias voltage of the negative bias pulse waveform; and the first corresponding relationship comprises a first temperature range, a second temperature range, and a candidate bias voltage of the drive signal corresponding to each of the temperature ranges; wherein the candidate bias voltage corresponding to the first temperature range is greater than the candidate bias voltage corresponding to the second temperature range, an upper limit of the first temperature range being less than a lower limit of the second temperature range;
and wherein the target temperature further comprises an ambient temperature at which the display panel is activated.