Product Specification

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LP140WH1

Liquid Crystal Display

Ver.1.0

May. 22, 2009

4. Optical Specification

FIG. 1 Optical Characteristic Measurement Equipment and Method

Table 7. OPTICAL CHARACTERISTICS

Ta=25

Parameter

Symbol

Values

Units

Notes

Min

Typ

Max

Contrast Ratio

CR

500

-

-

1

Surface Luminance, white

190

220

-

2

Luminance Variation

δ

WHITE

-

1.4

1.6

3

Response Time

Tr

-

8

15

ms

4

Color Coordinates

RED

RX

0.588

0.618

0.648

RY

0.325

0.355

0.385

GREEN

GX

0.305

0.335

0.365

GY

0.554

0.584

0.614

BLUE

BX

0.120

0.150

0.180

BY

0.079

0.109

0.139

WHITE

WX

0.283

0.313

0.343

WY

0.299

0.329

0.359

Viewing Angle

5

x axis, right(

Φ=0°)

Θr

40

-

-

degree

x axis, left (

Φ=180°)

Θl

40

-

-

degree

y axis, up (

Φ=90°)

Θu

10

-

-

degree

y axis, down (

Φ=270°)

Θd

30

-

-

degree

Gray Scale

6

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

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