LMT032DNAFWD datasheet(16/17 Pages) TOPWAY

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TOPWAY

LCD Module User Manual

LMT032DNAFWD

URL: www.topwaydisplay.com

www.topwaysz.com

Document Name: LMT032DNAFWD-Manual-Rev0.1

Page: 16 of 17

Note 1:

The data are measured after LEDs are turned on for 5 minutes.

LCM displays full white.

The brightness is the average value of 9 measured spots.

Measurement equipment PR-705 (Φ8mm)

Measuring condition:

- Measuring surroundings: Dark room

- Measuring temperature: Ta=25℃.

- Adjust operating voltage to get optimum contrast at

the center of the display.

Measured value at the center point of LCD panel after more than

5 minutes while backlight turning on.

Note 2:

The luminance uniformity is calculated by using following formula.

△

Bp = Bp (Min.) / Bp (Max.)×100 (%)

Bp (Max.) = Maximum brightness in 9 measured spots

Bp (Min.) = Minimum brightness in 9 measured spots

Note 3:

The definition of viewing angle:

Refer to the graph below marked by θ and Ф

Note 4:

The definition of contrast ratio (Test LCM using PR-705):

Contrast

Ratio(CR)

Luminance When LCD is at “White” state

Luminance When LCD is at “Black” state

(Contrast Ratio is measured in optimum common electrode

voltage)

Note 5:

Definition of Response time. (Test LCD using DMS501):

The output signals of photo detector are measured

when the input signals are changed from

“black” to “white”(falling time)

and from “white” to “black”(rising time), respectively.

The response time is defined as

the time interval between the 10% and 90% of amplitudes.Refer

to figure as below.

Note 6:

Definition of Color of CIE1931 Coordinate and NTSC Ratio.

Color gamut:

Area of RGB triangle

X100%

Area of NTSC triangle

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