LCX024 datasheet(12/24 Pages) SONY

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LCX024AKB

<Electro-optical Characteristics Measurement>

Basic measurement conditions

(1) Driving voltage

VDD = 13.5V

VVC = 6.0V, VCOM = 5.7V

(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) RGB input signal voltage (Vsig)

Vsig = 6.0 ± VAC [V] (VAC: signal amplitude)

∗ Measurement system I

LCD panel

Luminance

Meter

Measurement

Equipment

Back light: color temperature 6500K, +0.004uV (25°C)

∗

Back light spectrum (reference) is listed on another page.

Optical fiber

LCD panel

Light receptor lens

Drive Circuit

Light Source

3.5mm

∗ Measurement system II

Measurement

Equipment

Light Detector

1. Contrast Ratio

Contrast Ratio (CR4.0) is given by the following formula (1).

CR4.0 =

...(1)

L4.0 (White): Surface luminance of the TFT-LCD panel at VDD = 12.0V, VVC = 6.0V, VCOM = 5.7V and the

RGB signal amplitude VAC = 0.5V.

L4.0 (Black): Surface luminance of the panel at VAC = 4.0V.

Contrast Ratio (CR4.5) is given by the following formula (2).

CR4.5 =

...(2)

L4.5 (White): Surface luminance of the TFT-LCD panel at the RGB signal amplitude VAC = 0.5V.

L4.5 (Black): Surface luminance of the panel at VAC = 4.5V.

The above luminosities are measured by System I.

L4.0 (White)

L4.0 (Black)

L4.5 (White)

L4.5 (Black)

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