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אא א
א א
-41-
אאא J J
אאא،אאא אא
אא،א אאא، אK
אאאאאאאאאאאאאK
אאאאא ،אאאאא א
K
،א א ( horizontal scan line)
،אא،אא אא،אא אא
א horizontal frequency KHzK
،אא?אא horizontal
blanking interval אאאא ،א
אא א
א א
-42-
א،א،א אא?אא vertical blanking intervalK
אאא אאאאK
אאא אאאאא vertical
refresh rate or frequency .
אא،אא ،אאא אאא>א
א אא،אאא
אF1،3،5،EKKKאאאאא אאאF2،4،6،EKKKאאא ،א
field א. frame
א אא،אאאא אאאא،א אאא
،אאאאW،א אאא،אאא ،אאאאא
אא אFאאאא אE.
אאאא אאאא ،אאא א
:
אא א
א א
-45-
אאKKא، אא
א،אאאא resolution א אאא13.5
25 30א،אא60 85.
Wresolution אאא אא(pixels) .
CRTW
אא CRT، אאאKאא ،א
אא אresolution ،אא85، אFא
אא א
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-46-
אאEאK אאאא،85 אא:
85Z1024x768 85.
95Z1280x1024 85.
107 ZF1 600x1200(85.
115 ZF2E 600x1200 92 .
125 Z1856x1392 85 .
א600x1200 107115K אא
אאאא.
،אא،אאKאאא א shadow mask
אאאא، aperture grille
אK אא אא. LCDאא CRT
،אאאאא א LCDK
אא א
א א
-47-
א LCD Monitors:
LCD אLiquid Crystal Display אאא אK א LCD אאK
אLCD W 1 JDual scan אאK 2 JReflectiveא،אא PDA .
3 J TFTאאK LCD W
א אאאאא ،אאאאא אאא א
אKאא אא ،אאאא א
א> א،א ،Wא ?W (RBG Filter) RGB א
אFאאEאKא אאאאאאא
אא א
א א
-48-
א ،אאאא אאKאא א،אאא
אא א אאא،א אאא
،אא אאא אאKא
אאא Liquid Crystals:
א אא א،אאאא אKא145.5°
אא178.5°K
א
אא14א21Kאאא1719אאאאK
אCRT אאאאאאאאאKא
אא19אCRT אאא17.5KLCD אאא15
אאאא15K
אא א
א א
-49-
אאאW א CRT LCD؟
א אאא، אאאא אא:
א LCD (TFT) Cathode Ray (CRT)
Brightness 170 (+) א to 300 cd/m²(~) 80 to 120 cd/m²
Contrast 150:1 (-) א to 450:1 (+) 350:1 to 700:1
Viewing angle א א
(~) 90° to 170° (+) 150°
א Convergence errors
(+) (~) 0.0079 to 0.0118" (0.20 to 0.30 mm)
Focusא (+) א (~) אא
Geometry א (+) (~) Defective pixels
אא (-) 8 (+)
Input signal א
(+) analog digital
(~) analog
Possible Resolutions אא
(-) (+)
Gamma (א אא)
(~) (+) א
Uniformity א (~) אא
(~) א
א Color purity/color
(-) א (+) א
אא א
א א
-50-
quality Flickering אא (+) (~)
85
אאא Affected by magnetic
fields?
(+) (-)،אא
Pixel response time א א
(-) 20 to 50 ms
(+) not visible
Power consumption אא
(+) 25 to 40 Watts א
(-) 60 to 160 Watts א
א Space
requirements/weight
(+) א (-) א
אW
אאאאאW
1K ؟א
2K ؟א
3K ؟אאא
4K ؟אאאא
5K ؟אאK
6K א؟א،אאאK
7K ؟אא
8K אאאאK
אא،אאאא
אא א
א א
-53-
אא אא
אאWאK
Wאאאא
1K
2K
אאW 1K אאאאאK
2K אאK
3K אאאK
4K אאאאK
5K אW
1K אא 2K אFCRT - LCDE 3K א 4K אModel 5K אאS/N 6K אאא 7K
6K אK 7K אאאK
אא א
א א
-54-
W
1 JאאCRT K
KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK
2–אK
KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK
אא א
א א
-55-
3 JאאLCD K
KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK
4 JאK
KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK
5– CRT LCD K
KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK
KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK
אא א
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-56-
א
אאאאא،אאאF√Eאאא
אא،אאK
אאFאאE
א
1K אא
2K אCRT
3K CRT
4K אLCD
5K LCD
אאאא،א????אאא
אK
אא א
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א א
KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK
אאאF√EאאאאאאאK
אאFאE א
א
1 אאא 2אאCRT 3אCRT 4אאLCD 5אLCD 6 7 8 9 10 11 12
،אאאאא????אאאאK