You Do Need power plug adapter while traveling from Curaçao to Laos.

Here is Why You Need An Adapter

The outlet and plug type used in Laos are A, B, C, E and F and in Curaçao are A and B. This is how they look like.

Curaçao

In Curaçao, outlets of type A and B are in use.

Type A

Type B

Laos

In Laos, outlets of type A, B, C, E and F are in use.

Type A

Type B

Type C

Type E

Type F