NL6448BC33-70 NEC, NL6448BC33-70 Datasheet - Page 22

• Manufacturer Part Number: NL6448BC33-70
• Description: LCD Module
• Manufacturer: NEC

Viewing angle
4.10 OPTICS
Luminance uniformity
Chromaticity
4.10.1 Optical characteristics
Response time
Contrast ratio
Color gamut
Note1: These are initial characteristics.
Note2: Measurement conditions are as follows.
Note3: See "4.10.2 Definition of contrast ratio".
Note4: See "4.10.3 Definition of luminance uniformity".
Note5: These coordinates are found on CIE 1931 chromaticity diagram.
Note6: Product surface temperature: TopF= TBD °C
Note7: See "4.10.4 Definition of response times".
Note8: See "4.10.5 Definition of viewing angles".
Luminance
LCD module
Parameter
(Product)
Ta= 25 ° C, VCC= 3.3V, IL= 50mA
1/31.468kHz, Vertical cycle= 1/59.94Hz, DPS= Low or Open: Normal scan
Optical characteristics are measured at luminance saturation after 20minutes from working
the product, in the dark room. Also measurement methods are as follows.
White
Green
Down
Right
Blue
Left
Red
Up
50cm
at center, against NTSC color space
1°
θR= 0°, θL= 0°, θU= 0°, θD= 0°
θR= 0°, θL= 0°, θU= 0°, θD= 0°
θR= 0°, θL= 0°, θU= 0°, θD= 0°
θR= 0°, θL= 0°, θU= 0°, θD= 0°
θU= 0°, θD= 0°, CR≥ 10
θU= 0°, θD= 0°, CR≥ 10
θR= 0°, θL= 0°, CR≥ 10
θR= 0°, θL= 0°, CR≥ 10
PRELIMINARY DATA SHEET DOD-PP-0863 (3rd edition)
White/Black at center
Photodetector (BM-5A or SR-3)
White at center
White to Black
Black to White
x coordinate
y coordinate
x coordinate
y coordinate
x coordinate
y coordinate
x coordinate
y coordinate
Condition
White
/One circuit
Symbol
Toff
Ton
Wx
Wy
CR
LU
θU
θD
Rx
Ry
Gx
Gy
Bx
By
θR
θL
L
C
, Display mode: VGA, Horizontal cycle=
0.263
0.279
min.
280
500
35
70
70
70
70
-
-
-
-
-
-
-
-
-
LCD module
(Product)
0.313
0.329
TBD
TBD
TBD
TBD
TBD
TBD
1.25
typ.
450
900
40
15
80
80
80
80
3
Photodetector (EZ Contrast)
0.363
0.379
max.
1.4
21
5
-
-
-
-
-
-
-
-
-
-
-
-
-
NL6448BC33-70
cd/m
Unit
ms
ms
%
-
-
-
-
-
-
-
-
-
-
°
°
°
°
(Note1, Note2)
2
Measuring
instrument
Contrast
BM-5A
BM-5A
BM-5A
BM-5A
SR-3
EZ
Remarks
Note3
Note4
Note5
Note6
Note7
Note8
-
22
3
3
3
3
3
3
3