Method for driving AMOLED
AssigneeShenzhen China Star Optoelectronics Technology Co., Ltd.
InventorYichien Wen
Life of this patent
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Abstract
An method of driving an AMOLED is provided, including: dividing grayscale values of each pixel of each frame into N portions, so as to obtain N PWM driving signals of an organic light emitting diode; dividing the driving time of each frame of the organic light emitting diode into N sub-driving times, wherein one of the sub-driving times of each frame corresponds to one of the PWM driving signals; and transmitting all of the PWM driving signals of each frame to the organic light emitting diode at the corresponding sub-driving time, so as to drive and display an image.
Claims14
A method of driving an active-matrix organic light emitting diode (AMOLED), comprising:
- representing grayscale values of each pixel of each frame in format of binary values;
- dividing the grayscale values of each pixel of each frame by bytes into N portions, so as to obtain N PWM (Pulse Width Modulation) driving signals of an organic light emitting diode, where N is a positive integer greater than or equal to 1;
- dividing a driving time of each frame of the organic light emitting diode into N sub-driving times, wherein one of the sub-driving times of each frame corresponds to one of the PWM driving signals;
- transmitting all of the PWM driving signals of each frame to the organic light emitting diode at a corresponding sub-driving time;
- and
- synthesizing all of the PWM driving signals of each frame to form the grayscale values of each pixel of each frame, so as to drive and display an image;
- wherein the grayscale values of each pixel of each frame are divided into 8 bits, and each PWM driving signal represents one bit of the grayscale values.
A method of driving an active-matrix organic light emitting diode (AMOLED), comprising:
- dividing grayscale values of each pixel of each frame into N portions, so as to obtain N PWM (Pulse Width Modulation) driving signals of an organic light emitting diode, where N is a positive integer greater than or equal to 1;
- dividing a driving time of each frame of the organic light emitting diode into N sub-driving times, wherein one of the sub-driving times of each frame corresponds to one of the PWM driving signals;
- transmitting all of the PWM driving signals of each frame to the organic light emitting diode at a corresponding sub-driving time;
- and
- synthesizing all of the PWM driving signals of each frame to form the grayscale values of each pixel of each frame, so as to drive and display an image;
- wherein the grayscale values of each pixel of each frame are divided into 8 bits, and each PWM driving signal represents one bit of the grayscale values.
Dependencies are inferred from the claim text.