Purdy ANDpSi020TD-LED-KIT - Manual (Page 4)

Displays Displays
Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085
4 Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] 6/25/08
www.purdyelectronics.com
Timing Chart With Analog Interface
Item Symbol Min Typ Max Unit
Dot Clock Frequency
QVGA
DCLK
– 25 –
MHz NTSC – 24.54 –
PAL – 24.38 –
Horizontal Display Active Display Area – 1280 – DCLK
Horizontal Line t
h
– 1560 – DCLK
HSYNC PUlse Width t
hpw
– 1 – DCLK
Horizontal Back Porch t
hb – 240 – DCLK
Horizontal Front Porch t
hfp – 40 – DCLK
Horizontal Dummy Time t
hdm
– 4 – DCLK
Optical Specification Ta=25ºC
Item Symbol Condition Min. Typ. Max. Unit
Viewing Angle
θ 11
CR ≥ 10
30 40 –
degree
θ 12 30 40 –
θ 21 15 20 –
θ 22 40 50 –
Contrast Ratio CR
θ = 0º
200 300 – –
Response Time
Rising Tr – 13 20
ms
Falling Tf – 22 30
Luminance I
F
=23mA L 200 250 – cd/m 2
Chromaticity White
x
w
0.26 0.31 0.36
–
y
w 0.29 0.34 0.39
ANDpSi020TD-LED-KIT