Acer H236HL, Service Manual

Page: 5 / 59

3
Optical Characteristics
Ta=25 °C, V
LCD
=5.0V, f
V
=60Hz, D
CLK
=72MHz, Is=100mA
Parameter Symbol
Values
Units Notes
Min Typ Max
Contrast Ratio CR 700 1000 - 1
Surface Luminance white L
WH
200 250 - cd/m
2
2
Luminance Variation

WHITE
75 % 3
Response Time (Gray to Gray) GTG - 14 28 ms 4
Color Coordinates
[CIE1931]
(By PR650)
RED
Rx
Typ
-0.03
0.638
Typ
+0.03
Ry 0.334
GREEN
Gx 0.309
Gy 0.627
BLUE
Bx 0.153
By 0.073
WHITE
Wx 0.313
Wy 0.329
Viewing Angle (CR>10)
x axis, right(

=0
°
)

r 85 89 Degree 5
x axis, left (

=180
°
)

l
85 89
y axis, up (

=90
°
)

u
85 89
y axis, down
(

=270 ° )

d 85 89
Crosstalk 1.5 % 6