NL10276BC24_14 NEC, NL10276BC24_14 Datasheet - Page 22

• Manufacturer Part Number: NL10276BC24_14
• Description: Display Module
• Manufacturer: NEC

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4.13.2 Definition of contrast ratio
4.13.3 Definition of luminance uniformity
4.13.4 Definition of response times
4.13.5 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.
" on the same screen point, by photo-detector. Ton is the time it takes the luminance change from 90%
down to 10%. Also Toff is the time it takes the luminance change from 10% up to 90% (See the
following diagram.).
Response time is measured, the luminance changes from " black " to " white ", or " white " to " black
Luminance
Luminance uniformity (LU) =
Contrast ratio (CR) =
Black
White
128
384
640
Left
100%
Lower
10%
90%
0%
171
Normal axis (Perpendicular)
①
④
θD
DATA SHEET DOD-PP-0048 (1st edition)
θL
Luminance of black screen
Luminance of white screen
θU
512
③
Ton
Maximum luminance from ① to ⑤
Minimum luminance from ① to ⑤
Upper
θR
853
②
⑤
12 o’clock
Right
Toff
NL10276BC24-14
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