LMT043DFFFWD-2 datasheet(10/12 Pages) TOPWAY

10 / 12 page

TOPWAY

LCD Module User Manual

LMT043DFFFWD-2

URL: www.topwaydisplay.com

www.topwaysz.com

Document Name: LMT043DFFFWD-2-Manual-Rev0.1.DOC

Page: 10 of 12

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 SR-3A (1°)

Measuring condition:

- Measuring surroundings: Dark room

- Measuring temperature: Ta=25℃.

- Adjust operating voltage to get optimum contrast at

the center of the display.

Note 2:

The definition of viewing angle:

Refer to the graph below marked by θ and Ф

Note 3:

The definition of contrast ratio (Test LCM using SR-3A (1°)):

Luminance When LCD is at “White” state

Contrast

Ratio(CR)

Luminance When LCD is at “Black” state

(Contrast Ratio is measured in optimum common electrode

voltage)

Note 4:

Definition of Response time. (Test LCD using BM-7A(2°)):

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 5:

Definition of Color of CIE1931 Coordinate and NTSC Ratio.

Color gamut:

Area of RGB triangle

Area of NTSC triangle

X100%

Note 6:

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 7:

Measured the luminance of white state at center point

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