Akai LCT3785TAJ, Руководство по обслуживанию

Страница: 100 / 128

„ The driving signal time means the signal of gray level 0
、
63
、
127
、
191
、
255.
„ Gray to gray average means the average switching time of gray level 0
、
63
、
127
、
191
、
255 to each other.
„ The LCD module should be stabilized at given temperature for 1 hour to avoid abrupt
temperature change during measuring. In order to stabilize the luminance, the
measurement should be executed after lighting Backlight for 1 hour in a windless
room.
[Note6] Image sticking test method:
Continuously display the test pattern shown in the figure below for specified time. To
change the module frame to gray pattern ( gray 127 pattern ), and it’s displaying
grade still under specfication.
‧ ‧ ‧ ‧ ‧
3 0 - P i x e l
‧ ‧ ‧ ‧ ‧ ‧
‧ ‧ ‧ ‧ ‧ ‧
‧ ‧ ‧ ‧ ‧ ‧
‧ ‧ ‧ ‧ ‧ ‧
‧ ‧ ‧ ‧ ‧ ‧
‧ ‧ ‧ ‧ ‧ ‧
‧ ‧ ‧ ‧ ‧ ‧
‧ ‧
‧ ‧ ‧
W h i t e B l o c k
( 2 5 6 G L )
3 0 - P i x e l
3 0 -
B l a c k B a c k g r o u n d
( 0 G L )
Figure 8-5. The Pattern of Image Sticking Test
98／126