LTM201M2-L01 Samsung, LTM201M2-L01 Datasheet - Page 11

• Manufacturer Part Number: LTM201M2-L01
• Description: Display Module
• Manufacturer: Samsung

MODEL
Note (9) Color Grayscale Linearity
105 grays steps should be arranged at the center⑤ of the screen.
a. Test image : 100% full white pattern with a test pattern as below
b. Test pattern : Squares, 40mm by 40mm in size, filled with 255, 225, 195, 165, 135 and
c. Test method
d. Test evaluation
Where A, B : 2 gray levels found to have the largest color differences between them
-1
screen and measure luminance and u’ and v’ coordinates.
- Next gray step : Move a 225 gray square into the center and measure both
luminance and coordinates, too.
i.e. get the largest Δu’ and Δv’ of each 6 pair of u’ and v’ and calculate the Δu’v’.
LTM201M2-L01
st
∆u' v' = (u' - u' ) + (v' - v' )
gray step : move a square of 255 gray level should be moved into the center of the
A
Doc. No
B
2
A
06-D00-S-060928
B
2
Approval Specification
Approval Specification
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