AMOLED white balance adjusting method and system
An adjustment method and adjustment system technology, applied in the field of AMOLED control, can solve the problems of large measurement workload and inconvenient implementation, and achieve the effects of convenient implementation, small workload and extended service life
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Embodiment 1
[0037] see Figure 4 As shown, it is an adjustment method of an AMOLED white balance according to an embodiment of the present invention, which specifically includes the following steps:
[0038] S1: Obtain the brightness and lifetime decay curves of the red, green and blue three-color polymer luminescent materials in AMOLED; wherein the brightness and lifetime decay curves will be obtained after any AMOLED device is produced, so the application can be directly Using the brightness and life decay curve detected before the product leaves the factory, there is no need to conduct separate tests.
[0039]S2: Timing the work of each pixel in the AMOLED to obtain the work time of the pixel.
[0040] S3: Judging whether the working time of the pixel reaches the predetermined adjustment time, if so, then go to step S4; otherwise, repeat this step.
[0041] S4: Adjust the current flowing through the pixel according to the brightness and lifetime decay curve to maintain the white bala...
Embodiment 2
[0044] As the second embodiment of the present invention, on the basis of the above-mentioned embodiment 1, the adjustment method of the AMOLED white balance of the present embodiment obtains the brightness and life decay curves of the red, green and blue three-color polymer luminescent materials in the AMOLED After that, it also includes the step of taking out the brightness values of the three colors at predetermined time intervals on the brightness and life decay curve and calculating the brightness decay ratio; in theory, the shorter the time interval, the more accurate the white balance adjustment, but at the same time, the IC or CPU The amount of calculation will be greater. Preferably, the selected interval time is 50hs. The adjustment of the current flowing through the pixel according to the brightness and life decay curve is specifically to adjust the current flowing through the pixel according to the brightness decay ratio. Adjustment.
Embodiment 3
[0046] On the basis of the above-mentioned embodiment 2, in the method for adjusting the white balance of the AMOLED of the present embodiment, each pixel in the AMOLED is clocked by a timing signal provided by the IC.
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