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1. (CN107331350) AMOLED displayer driving method and system

Ведомство : Китай
Номер заявки: 201710707445.7 Дата заявки: 17.08.2017
Номер публикации: 107331350 Дата публикации: 07.11.2017
Вид публикации: A
МПК:
G09G 3/3225
[IPC code unknown for G09G 3/3225]
Заявители: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Изобретатели: YAN WEINAN
Дата приоритета:
Название: (EN) AMOLED displayer driving method and system
(ZH) 一种AMOLED显示器的驱动方法及系统
Реферат: front page image
(EN) An embodiment of the invention discloses an AMOLED displayer driving method, which comprises the following steps: dividing a display area of a displayer into a plurality of regions from top down, each region at least comprising one line of pixels; obtaining input image signals corresponding to each region in sequence, and obtaining maximum gray scale Gi in the input image signals of each region; when the maximum gray scale Gi is larger than a preset threshold value, mapping all gray scales in the input image signals, and mapping the gray scale 0-Gi to gray scale 0-255; and adjusting output power supply positive voltage corresponding to the region to enable the brightness corresponding to the adjusted gray scale 0-255 to be same with the brightness corresponding to the 0-Gi before the adjustment. The embodiment of the invention also discloses a corresponding system. According to the AMOLED displayer driving method and system, low AMOLED cross voltage can be realized, PMIC work efficiency is improved and an energy saving and power saving effect is achieved.
(ZH) 本发明实施例公开了一种AMOLED显示器的驱动方法,包括如下步骤:将显示器的显示区域从上至下划分成多个区域,每一区域至少包括一行象素;依次获得每一区域对应的输入图像信号,获得所述区域的输入图像信号中的最大灰阶Gi;当所述最大灰阶Gi大于一预定阈值时,对所述输入图像信号中的所有灰阶进行映射,将灰阶0~Gi映射至灰阶0~255;调节所述区域对应的输出电源正电压,使调整后的0~255灰阶对应的亮度与调整前的0~Gi对应的亮度相同。本发明实施例还公开了相对应的系统。根据本发明的实施例,可以实现低AMOLED跨压,提高PMIC工作效率,实现节能省电。