Lg Innotek Co., Ltd.

Boone Won

Jong Bae Shin

Yong Sang Cho

Jong Min Lee

Sang Gon Kim

Sook Hyun Kim

Chae Hoon Kim

Jae Hyun Park

Young Kil Song

Myoung Lae Roh

Hyung Eui Lee

Jong Hyun Kang

In Tae Kim

Tae Su Yang

Su Chan Lim

Seong Hyuk Jeong

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.

Thermoelectric element

A thermoelectric module according to one embodiment of the present invention comprises: a heat exchange unit; and a thermoelectric element disposed on the heat exchange unit, wherein the heat exchange unit includes a case for accommodating a material for heat exchange and a cover covering the case, the thermoelectric element is disposed on the cover, and the thermal conductivity of the cover is higher than the thermal conductivity of the case.

Thermoelectric module

A thermoelectric element according to one embodiment of the present disclosure includes a lower metal substrate, a lower insulating layer disposed on the lower metal substrate, a plurality of lower electrodes disposed on the lower insulating layer to be spaced apart from each other, a plurality of P-type thermoelectric legs and a plurality of N-type thermoelectric legs disposed on the plurality of lower electrodes, a plurality of upper electrodes disposed on the plurality of P-type thermoelectric legs and the plurality of N-type thermoelectric legs to be spaced apart from each other, an upper insulating layer disposed on the plurality of upper electrodes, and an upper metal substrate disposed on the upper insulating layer, wherein the lower insulating layer includes a first insulating layer disposed on the lower metal substrate and a plurality of second insulating layers disposed on the first insulating layer to be spaced apart from each other.

Thermoelectric device

The embodiments of the present invention relate to a thermoelectric element and a thermoelectric module used for cooling, and the thermoelectric module can be made thin by having a first substrate and a second substrate with different surface areas to raise the heat-dissipation effectiveness.

Thermoelectric module, and heat conversion apparatus comprising the same

An embodiment of the present invention relates to a vehicle lamp structure capable of removing condensation from a lens part, in which a heat source is supplied to a heat absorbing part of a thermoelectric module to increase a temperature of a cooling region, together with a temperature of a heat generation part (a heat generation region) of the thermoelectric module, thereby improving limited heat conversion efficiency of the thermoelectric module, and furthermore, a hot current of air and a high-temperature heat source are supplied to a lens part of a head lamp, thereby maximizing dehumidification efficiency in the lamp.

Vehicle lamp

Embodiments of the present invention provide a thermoelectric element including a first element portion having a first cross-sectional area, a connection portion connected to the first element portion, and a second element portion connected to the connection portion and having a second cross-sectional area, wherein a cross-sectional area of the connection portion is smaller than at least one of the first cross-sectional area and the second cross-sectional area.

Thermoelectric element, thermoelectric module, and heat conversion apparatus including the same

Provided is a heat conversion device, including: a housing; a thermoelectric module received in the housing and including a thermoelectric semiconductor between substrates disposed to face each other; a first temperature conversion portion and a second temperature conversion portion disposed between the substrates, respectively; and a heat reduction portion adopted to guide a part of a fluid flowing in the housing and passing through the first temperature conversion portion to the second temperature conversion portion.

Heat conversion device

Provided is a thermoelectric material including metal oxide powder and thermoelectric powder. Thus, an internal filling rate is improved so that a Peltier effect can be maximized according to the increase of electrical conductivity and a Seebeck coefficient and the reduction of thermal conductivity, thereby enabling the improvement of the figure of merit (ZT) of a thermoelectric element.

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Seoul, South Korea

Boone Won