E Ink Holdings Inc.

PD080SL5

The information contained herein is the exclusive property of E Ink Holdings Inc. and shall not be distributed, reproduced, or

disclosed in whole or in part without prior written permission of E Ink Holdings Inc.

PAGE:21

Note 13-1：The definitions of viewing angles are as follows.

12 o’clock

3 o’clock

9 o’clock

6 o’clock

θθθθ

φφφφ

LED connector

Luminance at gray level 63

Luminance at gray level 0

=

Note 13-3：Topcon BM-7 (fast) luminance meter 1°field of view is used in the testing.

Note 13-4: Definition of Response Time Tr and Tf:

100%

90%

10%

0%

White

White

Black

Tr

Tf

Note 13-5: The “LED Life time “ is defined as the module brightness decrease to 50% original Brightness that