LP156WF4 datasheet(16/39 Pages) LG

16 / 39 page

Product Specification

LP156WF4

Liquid Crystal Display

Ver. 1.1

Apr. 17, 2014

16 / 39

4. Optical Specification

Table 7. OPTICAL CHARACTERISTICS

Ta=25

C, VCC=3.3V, fV=60Hz

FIG. 1 Optical Characteristic Measurement Equipment and Method

LCD Module

Optical Stage(x,y)

Equipment

500mm± 50mm

Optical characteristics are determined after the unit has been

„ON‟ and stable for approximately 20 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.

Parameter

Symbol

Values

Units

Notes

Min

Typ

Max

Contrast Ratio

400

700

Surface Luminance, white

187

220

cd/m2

Luminance Variation



WHITE (5P)

80%(Min)



WHITE(13P)

70%

60%(Min)

Response Time

Tr + Tf

Color

Coordinates

RED

Typical

- 0.03

0.580

Typical

+ 0.03

0.345

GREEN

0.338

0.568

BLUE

0.159

0.122

WHITE

0.313

0.329

Viewing Angle

x axis, right(

=0)

r

Degree

x axis, left (

=180)

l

y axis, up (

=90)

u

y axis, down (

=270)

d

Gray Scale

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