Datasheet

DEM 240320J1 TMH-PW-N Production Specification
Version: 4 PAGE: 6
6. Optical Characteristics
6.1. Optical Characteristics
Ta=25ºC, VCC=2.8V, TN LC+ Polarizer
Backlight On (Transmissive Mode)
Item Symbol Condition
Specification
Unit
Min. Typ. Max.
Luminance on
TFT(
f
I
=15mA/LED)
Lv
Normally
viewing angle
θX = φY =0º
250 320 - cd/m²
Contrast Ratio(See 6.3) CR - 250 -
Response Time
(See 6.2)
TR+TF - 30 - ms
Chromaticity
Transmissive
(See 6.5)
Red
XR
0.547 0.597 0.647
YR 0.288 0.338 0.388
Green
XG 0.267 0.317 0.367
YG 0.585 0.635 0.685
Blue
XB 0.096 0.146 0.196
YB 0.031 0.081 0.131
White
XW 0.250 0.300 0.350
YW 0.292 0.342 0.392
Viewing Angle
(See 6.4)
Horizontal
θX+
Center CR10
55 70 -
Deg.
θX- 55 70 -
Vertical
φY+ 55 70 -
φY- 35 50 -
NTSC Ratio(Gamut) - 55 - %
6.2. Definition of Response Time
6.2.1. Normally Black Type (Negative)
Selected state
Non-selected state
Tr
Tf
Relative
Brightness
100%
90%
10%
0%
Non-selected state
Tr is the time it takes to change form non-selected stage with relative luminance 10%
to selected state with relative luminance 90%;
Tf is the time it takes to change from selected state with relative luminance 90% to
non-selected state with relative luminance 10%.
Note: Measuring machine: LCD-5100