Acer AT2001, Руководство по обслуживанию

Страница: 13 / 60

Optical Characteristics
Optical characteristics are determined after the unit has been ‘ON’ and stable for arround 2Hrs
in a dark environment at 25
°
C. The values specified are at an approximate distance 50cm from
the LCD surface at a viewing angle of F and q equal to 0
°
.
Parameter Symbol Conditi
on
Min. Typ. Max. Unit Remark
Viewing L/R TOP CR>10 55 60 Deg.
【 Note 3,6,8 】
angle
U
BUTTON 55 60 Deg.
LEFT 65 80 Deg. range D
RIGHT 65 80 Deg
Contrast ratio
ＣＲ n θ =0 °
400 500
− 【
Note3,4,6
】
Response time
τ −
16 ms
【
Note 5
】
Rise time
τ
r
5 ms
Fall time
τ
d
11 ms
Gray to gray 16 ms
Chromaticity of Wx 0.243 0.273 0.303
White (CIE 1931) Wy 0.262 0.292 0.322
Chromaticity of Rx 0.612 0.642 0.672
Red (CIE 1931) Ry 0.307 0.337 0.367
Chromaticity of Gx 0.254 0.284 0.314
Green (CIE 1931) Gy 0.585 0.615 0.645
Chromaticity of Bx 0.111 0.141 0.171
Blue (CIE 1931) By 0.038 0.068 0.098
Luminance of white
【 Note4 】
Ｙ
Ｌ
350 450 Cd/m
2
【
Note4,7
】
White Uniformity
δ
Ｗ
70 %
【 Note 3,9 】
※ The measurement shall be executed 30 minutes after
li
ghting at rating.
FIG. 1 Optical Characteristic Measurement Equipment and
Ta:25
±
2
°
C, V
LCD
:5.0V, fV:60Hz,
Dclk:80MHz, Luminance Ratio:100%
LCD Module
Optical Stage(x,y)
Pritchard 880 or
equivalent
500mm