公开(公告)号：US20230337541A1

公开(公告)日：2023-10-19

申请号：US18026868

申请日：2021-09-16

Applicant: LG INNOTEK CO., LTD.

Inventor： Tae Su YANG ,  Boone Won ,  Seung LEE

IPC: H10N10/855 ,  H10N10/851 ,  H10N10/17 ,  H10N10/81

CPC classification number: H10N10/855 ,  H10N10/8556 ,  H10N10/17 ,  H10N10/81

Abstract: A thermoelectric element according to an embodiment of the present invention comprises: a first substrate; a first insulating layer disposed on the first substrate; a second insulating layer disposed on the first insulating layer; a first electrode disposed on the second insulating layer; a semiconductor structure disposed on the first electrode; a second electrode disposed on the semiconductor structure; and a second substrate disposed on the second electrode, wherein the composition of the first insulating layer is different from the composition of the second insulating layer, the first insulating layer includes a first region disposed on the first substrate and a second region disposed between the first region and the second insulating layer, and a particle size (D50) of an inorganic filler included in the second region is greater than the particle size (D50) of an inorganic filler included in the first region.