LC470EUF datasheet(21/40 Pages) RAKEN

21 / 40 page

Product Specification

LC470EUF

Ver. 1.0

21/40

In order to measure 3D luminance, 3D crosstalk and 3D viewing angle, it need to be prepared as below;

1) Measurement configuration

4-Test pattern images. Refer to FIG 8.

-. LW-RW : White for left and right eye

-. LW-RB : White for left eye and Black for right eye

-. LB-RW : Black for left eye and white for right eye

-. LB-RB : Black for left eye and right eye

Image files where black and white lines are displayed on even or odd lines.

Luminance measurement system (LMS) with narrow FOV (field of view) is used. Refer to FIG 1.

< FIG.6. Measurement configuration>

(a) Test pattern image

(b) Measurement

position

3D display

Right or left eyeglass

( Circular polarizer )

LMS

Lum( LE or RE, test pattern, number )

Measurement through

Left or Right eyeglass

measurement

position

Luminance

< FIG. 8. notation of luminance measurement >

< FIG.7. Positioning eyeglass >



LW-RW

LB-RW

LW-RB

LB-RB

2) Positioning Eyeglass (refer to appendix-VIII for standard specification of eyeglass)

Find angle of minimum transmittance.

This value would be provided beforehand or measured by the following steps;

(i) Test image (LB-RW) is displayed.

(ii) Left eyeglass are placed in front of LMS and luminance is measured,

rotating right eyeglass such as FIG 7. The notation for luminance measurement is “Lum(LE, LB-RW,1)”.

(iii) Find the angle where luminance is minimum.

* Following measurements should be performed at the angle of minimum transmittance of eyeglass.

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