IBM 15” Service Manual
12
4.4 PANEL SPECIFICATION (Hannstar X84)
4.4.1 Panel Feature
-High contrast ratio, high aperture structure
-TN(Twisted Nematic) mode
-Wide viewing angle
-High speed response
-SXGA(1024 x 768 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 304.128(H) x 228.096 (V) mm
Driver element a-Si TFT active matrix
Display color Over 16 million Colors
Number of pixels 1024 x 768 pixel
Pixel Arrangement RGB vertical stripe
Pixel pitch 0.297(H) x 0.297(V) 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 300 400 -
Rising Tr
Response
Time
Falling Tf
Tf+Tr=35 msec
Luminance of White
(Center of screen)
YL 200 250 - Cd/m2
Rx 0.623
Ry 0.335
Gx 0.293
Gy 0.599
Bx 0.144
By 0.113
Wx 0.310
Color
Chromaticity
(CIE 1931)
Coordinates (CIE)
Wy
Normal
ψ=0
θ=0
Viewing
Angle
Typ.
-0.03
0.330
TYP.
+0.03
Brightness Uniformity [%] 70 75 -
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