NL10276BC24_21F NEC, NL10276BC24_21F Datasheet - Page 26
NL10276BC24_21F
Manufacturer Part Number
NL10276BC24_21F
Description
Display Module
Manufacturer
NEC
Datasheet
1.NL10276BC24_21F.pdf
(32 pages)
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4.10.2 Definition of contrast ratio
4.10.3 Definition of luminance uniformity
4.10.4 Definition of response times
4.10.5 Definition of viewing angles
The contrast ratio is calculated by using the following formula.
The luminance uniformity is calculated by using following formula.
The luminance is measured at near the 5 points shown below.
"black" to "white" on the same screen point, by photo-detector. Ton is the time when the
luminance changes from 90% down to 10%. Also Toff is the time when the luminance changes
from 10% up to 90% (See the following diagram.).
Response time is measured at the time when the luminance changes from "white" to "black", or
Luminance
Luminance uniformity (LU) =
Contrast ratio (CR) =
Black
White
CN1
100%
Left
10%
128
384
640
90%
0%
Lower
CN2
Normal axis (Perpendicular)
171
θD
①
④
θL
DATA SHEET DOD-PP-1176 (1st edition)
θU
Luminance of black screen
Luminance of white screen
Ton
512
③
Maximum luminance from ① to ⑤
Minimum luminance from ① to ⑤
Upper
θR
853
12 o’clock
②
⑤
Right
Toff
NL10276BC24-21F
26
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