Marking on LED2001

[Dsun.21]

for LED2001, the marking on the chip like 

LED2K1

xxxx118. or xxx125. 

how to understand the Marking under the LED2K1?

Thank you,

David

[Douglas MILLER]

Thank you for contacting STMicroelectronics.

For your information, questions about device markings can be submitted directly to the ST Online Support Team at https://my.st.com/ols.