Driving method for light emitting diode display device

Driving method for light emitting diode display device

The invention discloses a driving method for a light-emitting diode display device. The display device comprises a plurality of light emitting diode serials, a plurality of scanning transistors, a plurality of current regulators and a power converter. The driving method includes the following steps....

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Hauptverfasser: ZHOU ZHIXIAN, YANG RENJIE, CHENG ZHIXIU
Format: Patent
Sprache:chi ; eng
Schlagworte:
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CRYPTOGRAPHY
DISPLAY
EDUCATION
PHYSICS
SEALS
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creator ZHOU ZHIXIAN
YANG RENJIE
CHENG ZHIXIU
description The invention discloses a driving method for a light-emitting diode display device. The display device comprises a plurality of light emitting diode serials, a plurality of scanning transistors, a plurality of current regulators and a power converter. The driving method includes the following steps. Detecting a plurality of light emitting diode cathode voltages on a plurality of nodes between the light emitting diode string and the current regulator; when the cathode voltage of the first light emitting diode corresponding to the first scanning channel is equal to the lowest operational voltage of the current regulator and the cathode voltage of the second light emitting diode corresponding to the second scanning channel exceeds the lowest operational voltage of the current regulator, the cross voltage of the corresponding scanning transistor on the second scanning channel is increased. The driving method can avoid unnecessary power consumption and improve thermal energy distribution balance between different
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The display device comprises a plurality of light emitting diode serials, a plurality of scanning transistors, a plurality of current regulators and a power converter. The driving method includes the following steps. Detecting a plurality of light emitting diode cathode voltages on a plurality of nodes between the light emitting diode string and the current regulator; when the cathode voltage of the first light emitting diode corresponding to the first scanning channel is equal to the lowest operational voltage of the current regulator and the cathode voltage of the second light emitting diode corresponding to the second scanning channel exceeds the lowest operational voltage of the current regulator, the cross voltage of the corresponding scanning transistor on the second scanning channel is increased. 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subjects ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CRYPTOGRAPHY
DISPLAY
EDUCATION
PHYSICS
SEALS
title Driving method for light emitting diode display device
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