Datasheet

SHANGHAI TIANMA MICRO-ELECTRONICS TM022HDH26 V1.0
The information contained herein is the exclusive property of SHANGHAI TIANMA MICRO-ELECTRONICS
Corporation, and shall not be distributed, reproduced, or disclosed in whole or in part without prior written
permission of SHANGHAI TIANMA MICRO-ELECTRONICS Corporation.
Page 18 of 23
Note 6: Definition of Luminance Uniformity
Active area is divided into 9 measuring areas (Refer Fig. 2). Every measuring point is placed at the
center of each measuring area.
Luminance Uniformity (U) = Lmin/ Lmax
L-------Active area length W----- Active area width
Fig. 2 Definition of uniformity
Lmax: The measured maximum luminance of all measurement position.
Lmin: The measured minimum luminance of all measurement position.
Note 7:
Definition of Luminance:
Measure the luminance of white state at center point.