PD057VT2

The information contained herein is the exclusive property of Prime View International Co., Ltd. and shall not be

distributed, reproduced, or disclosed in whole or in part without prior written permission of Prime View International Co.,

Ltd.

Page:14

Note 12-4: All optical measurements shall be performed after backlight being turned-on for 30

mins. The optical characteristics shall be measured in dark room (ambient illumination

on panel surface less than 1 Lux). The measuring configuration shows as following

figure.

Note 12-5: The uniformity of LCD is defined as

The Minimum Brightness of the 9 testing Points

U =

The Maximum Brightness of the 9 testing Points

Luminance meter: BM-5A or BM-7 fast (TOPCON)

Measurement distance: 500 mm +/- 50 mm

Ambient illumination: < 1 Lux

Measuring direction: Perpendicular to the surface of module

The test pattern is white.

1/6

1/6

2/6

2/6

1/6

1/6

2/6

2/6

Photometer (TOPCON

BM-5A or BM-7 fast)

TFT-LCD module

Optical characteristics measuring configuration

Field = 1

°

P-511-537(V:2)