<p>Disclosed is the electric heater including a base, and a heating unit having a plurality of unit heating elements disposed on a plate surface of the base and at least one of heating connection portions configured to heat and conductively connecting the unit heating elements to each other and non-heating connection portions configured not to heat and conductively connecting the unit heating elements to each other, thereby preventing a thermal stress concentration, thus to prevent damage to the heating unit and to enhance its output.</p>
申请公布号
WO2009014333(A1)
申请公布日期
2009.01.29
申请号
WO2008KR04121
申请日期
2008.07.14
申请人
LG ELECTRONICS INC.;KIM, JE-HOON;KIM, HYOUNG-JUN;PARK, BYEONG-WOOK