ViewSonic VA912-4 Service Manual page 13

19” color tft lcd display
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Panel Characteristics:
st
1
Panel Source
Model number
Type
Active Size
Pixel Arrangement
Pixel Pitch
GLASS TREATMENT
# OF BACKLIGHTS
BACKLIGHT LIFE
Luminance (Center) –
Condition:
CT = 6500K, Contrast = Max,
Brightness = Max
Brightness Uniformity (9 Points)
Contrast Ratio
Color Depth
Viewing Angle (Horizontal)
VIEWING ANGLE (VERTICAL)
Response Time
10%-90% @ Ta=25°C
Panel Defects
ViewSonic Corporation
HSD 190ME13-A02 / A03
TN type with LVDS interface
376.32 (H) x 301.056 (V)
RGB Vertical Stripe
0.294 mm
Anti Glare (Hard coating 3H)
4 CCFL direct light
40,000 Hours (min)
250 cd/m2 (Typ after 30 minute warm up)
200 cd/m2 (Min after 30 minute warm up)
U = 80% (typ), 75% (Min).
U = Min Luminance in 5 points / Max
Luminance in 5 points
600 (typ), 450 (min)
16 million colors (6 bit + 2 bit FRC)
@ CR>10
Typical:
140
Minimum: 120
@ CR>10
Typical:
130
Minimum: 110
8ms (Tr= 2 ms, Tf = 6 ms) (typ)
20 ms (Tr= 7 ms, Tf = 13 ms) (max)
Please see Panel Quality Specifications.
Confidential - Do Not Copy
10
@ CR>5
Typical:
160
Minimum: 140
@ CR>5
Typical:
150
Minimum: 130
VA912-4_VA912b-4

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