LCX019AM datasheet(11/22 Pages) SONY

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LCX019AM

<Electro-optical Characteristics Measurement>

• Measurement system II

LIght Detector

Measurement Equipment

Optical fiber

LCD panel

Light receptor lens

Drive Circuit

Light Source

Basic measurement conditions

(1) Driving voltage

HVDD = 13.5V, VVDD = 13.5V, AVDD = 15.5V

VVC = 7.0V, Vcom = 6.8V

(2) Measurement temperature

25°C unless otherwise specified.

(3) Measurement point

One point in the center of screen unless

otherwise specified.

(4) Measurement systems

Two types of measurement system are used

as shown below.

(5) Video input signal voltage (Vsig)

Vsig = 7.0 ± VAC [V] (VAC: signal amplitude)

(6) Optical measurement systems

Elliptic mirror

Relay lens system

Dichroic

mirrors

Fresnel lens

LCD panel

Projection lenses

Screen

100W lamp angle distribution

Panel incident light dispersion angle [ ° ]

0.0

1.0

2.0

3.0

3.5

4.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

• Measurement system I

1. Contrast ratio

Contrast Ratio (CR) is given by the following formula (1).

L (White)

CR =

L (Black) ...... (1)

L (White): Surface luminance of the TFT-LCD panel at the input signal amplitude VAC = 0.5V

L (Black): Surface luminance of the panel at VAC = 4.5V

Both luminosities are measured by System I.

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