Note 5) After stabilizing and leaving the panel alone at a given temperature for 30 minutes, the measurement
should be executed. Measurement should be executed in a stable, windless,and dark room.
30 minutes after lighting the back-light. This should be measured in the center of screen.
Lamp current : 6.0 mA
Environment condition : Ta = 25 ± 2 °C
Photo detector
( TOPCON BM-5A)
TFT-LCD module
Field = 2°
40 cm
LCD panel
Center of the screen
Optical characteristics measurement setup
Doc.No.
LTA104S1-L01
Rev.No
05-000-G-031217
Page 8 /22