US 12,408,241 B2
Oven and method for controlling oven
Jaekyung Yang, Seoul (KR); Hoonseob Sim, Seoul (KR); Soochan Lee, Seoul (KR); and Yongsoo Lee, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 16/633,458
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Jul. 11, 2018, PCT No. PCT/KR2018/007830
§ 371(c)(1), (2) Date Jan. 23, 2020,
PCT Pub. No. WO2019/022410, PCT Pub. Date Jan. 31, 2019.
Claims priority of application No. 10-2017-0096222 (KR), filed on Jul. 28, 2017.
Prior Publication US 2020/0236743 A1, Jul. 23, 2020
Int. Cl. H05B 6/64 (2006.01); F27D 21/02 (2006.01); G03B 21/14 (2006.01); G03B 21/56 (2006.01)
CPC H05B 6/6435 (2013.01) [F27D 21/02 (2013.01); G03B 21/145 (2013.01); G03B 21/56 (2013.01); H05B 6/6414 (2013.01); H05B 6/642 (2013.01); F27D 2021/026 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An oven, comprising:
a case;
a cooking chamber formed inside of the case; and
a door installed at one side of the case to open and close the cooking chamber, wherein the door includes:
an outer plate forming an outer appearance thereof;
an inner plate spaced apart from the outer plate by a predetermined distance and in contact with the cooking chamber;
an intermediate plate disposed between the outer plate and the inner plate; and
a door display disposed between the outer plate and the inner plate to project predetermined information including a predetermined image onto a rear surface of the outer plate as a type of a head up display (HUD), wherein an air passage includes a first air passage formed between the outer plate and the intermediate plate and a second air passage formed between the intermediate plate and the inner plate, wherein the door display is disposed below the intermediate plate so that the door display is not visible from a front of the door, and the door display includes a projection portion that projects the predetermined information and that is positioned in front of a front surface of the intermediate plate to prevent the predetermined information from passing through the intermediate plate, the predetermined information including the predetermined image being viewable through the outer plate from outside of the oven, and wherein the outer plate, the inner plate, and the intermediate plate are composed of transparent glass plates.