LP140WF1 datasheet(13/31 Pages) LG

13 / 31 page

Product Specification

LP140WF1

Liquid Crystal Display

Ver. 1.0

Oct. 02. 2013

4. Optical Specification

FIG. 1 Optical Characteristic Measurement Equipment and Method

Table 9. OPTICAL CHARACTERISTICS

Ta=25

C, VCC=3.3V, fV=60Hz, f

CLK= 69MHz

Parameter

Symbol

Values

Units

Notes

Min

Typ

Max

Contrast Ratio

400

700

Surface Luminance, white

255

300

cd/m2

Luminance Variation



WHITE

1.4

1.6

Response Time

R+ TrD

Color Coordinates

RED

0.610

0.640

0.670

0.315

0.345

0.375

GREEN

0.305

0.335

0.365

0.595

0.625

0.655

BLUE

0.120

0.150

0.180

0.022

0.052

0.082

WHITE

0.283

0.313

0.343

0.299

0.329

0.359

Viewing Angle

x axis, right(

=0)

r

degree

x axis, left (

=180)

l

degree

y axis, up (

=90)

u

degree

y axis, down (

=270)

d

degree

Gray Scale

LCD Module

Optical Stage(x,y)

Pritchard 880 or

equivalent

50cm

Optical characteristics are determined after the unit has been

‘ON’ and stable for approximately 30 minutes in

a dark environment at 25C. The values specified are at an approximate distance 50cm from the LCD surface

at a viewing angle of  and  equal to 0.

FIG. 1 presents additional information concerning the measurement equipment and method.

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