User's Manual

Last change:
2013-12-10
Copyright @ Shenyang
Torch-Bigtide Digital Tech.,Co.,Ltd
HL1530
Page 13 of 25
Ratio of gray max (Gmax) & gray min (Gmin) at the center point of the panel.
Gmax: Luminance with all pixels white
Gmin: Luminance with all pixels black
Note 4: Definition of Luminance of White: Luminance of white at center point.
Note 5: Definition of luminance uniformity
The luminance uniformity is calculated by using following formula.(Under White Screen Status)
Note 6: Definition of response time is as follows:
Response time is measured at the time when the luminance changes from “black” to “white”, or
“white” to “black” on the same screen point, by photo-detector. Ton is the time when the luminance
changes from 10% up to 90%. Also Toff is the time when the luminance changes from 90% down to
10%(See the following diagram.).
When the display data is changed from white to black, response time is measured.