LM721A
Serial Service Manual Rev: A
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4.4 PANEL SPECIFICATION (Hydis-200)
4.4.1 Panel Feature
-High contrast ratio, high aperture structure
-TN(Twisted Nematic) mode
-Wide viewing angle
-High speed response
-SXGA(1280 x 1024 pixels) resolution
-Low power consumption
-2 dual CCFTs(Cold Cathode Fluorescent Tube)
-DE(Data Enable) mode
-COMPACT SIZE DESIGN
4.4.2 Display Characteristics
Items Specification Unit
Display Area
337.92(H) x 270.336(V)
mm
Driver element
a-Si TFT active matrix
Display color
16.2M
Colors
Number of pixels
1280 x 1024
pixel
Pixel Arrangement
RGB vertical stripe
Pixel pitch
0.264(H) x 0.264(W)
mm
Display Mode
Normally White
4.4.3 Optical Characteristics
The optical characteristics are measured under stable conditions at 25
℃
(Room Temperature):
Item
Symbol Conditions
Min.
Typ. Max. Unit Note
Contrast Ratio
(Center of screen)
C/R
250 450 -
Rising
Tr
- 4 5
Response
Time
Falling
Tf -
12
20
msec
Luminance of White
(Center of screen)
YL
200 260 -
Cd/m2
Rx
0.64
Ry
0.34
Gx
0.29
Gy
0.61
Bx
0.14
By 0.07
Wx
0.3
Color
Chromaticity
(CIE 1931)
Coordinates (CIE)
Wy
Normal
ψ
=0
θ
=0
Viewing
Angle
Typ.
-0.03
0.338
TYP.
+0.03
Brightness Uniformity
[%]
75
80
-
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