There is disclosed a refrigerator; a lighting device provided in the storage chamber, a first door rotatably coupled to the case to open and close the storage chamber, an auxiliary storage chamber provided in the first door, a second door, a front panel formed of a transparent material, an evaporati
There is disclosed a refrigerator; a lighting device provided in the storage chamber, a first door rotatably coupled to the case to open and close the storage chamber, an auxiliary storage chamber provided in the first door, a second door, a front panel formed of a transparent material, an evaporation treatment unit evaporated on an overall back surface of the front panel to transmit lights partially, a variable transparency film attached to a back surface of the evaporation treatment unit provided in the front panel to get transparent when the power is supplied, a frame unit with an opening having a corresponding size to an opening provided in the first door, an insulation panel distant from the front panel, a power supply unit for supplying an electric power to the variable transparency film and the lighting device, a proximity sensor provided in the second door to sense a user's approaching.
대표청구항▼
1. A refrigerator comprising: a cabinet defining a first storage area and a second storage area therein, the first storage area provided at a lateral side of the second storage area, the refrigerator configured to maintain the first storage area at a first operating temperature and the second storag
1. A refrigerator comprising: a cabinet defining a first storage area and a second storage area therein, the first storage area provided at a lateral side of the second storage area, the refrigerator configured to maintain the first storage area at a first operating temperature and the second storage area at a second operating temperature that is higher than the first operating temperature;a lighting device configured to emit light toward the second storage area;a first door configured to open and close the first storage area;a second door configured to open and close the second storage area, the second door comprising: a frame unit defining a hole formed therein and comprising an outer case defining a front frame of the second door, an inner liner defining a back surface of the second door and an insulating material filled in a space formed between the outer case and the inner liner excluding the hole; anda front panel configured to cover the hole of the frame unit and formed of a transparent material;a sensor configured to detect whether a user is within a predetermined distance from the refrigerator; anda control unit configured to control the lighting device to enable a user to see an inside of the second storage area selectively through the hole of the frame unit of the second door,wherein the control unit is configured to control the lighting device to enable the user to see the inside of the second storage area selectively through the hole when the sensor senses the user within the predetermined distance from the refrigerator. 2. The refrigerator of claim 1, further comprising an insulation panel formed of a transparent material that covers the hole and that is provided behind the front panel of the second door. 3. The refrigerator of claim 2, further comprising an insulation space provided between the front panel and the insulation panel of the second door. 4. The refrigerator of claim 1, further comprising a door switch configured to sense whether a door is opened or not, wherein the control unit is configured to operate the lighting device when the door switch senses the door is opened. 5. The refrigerator of claim 1, wherein the control unit is configured to control the lighting device to have a dimming effect. 6. The refrigerator of claim 5, wherein the control unit is further configured to: control a brightness of the lighting device as the user approaches the refrigerator; andbased on the user getting closer to the refrigerator, increase a brightness level of the lighting device and increase a transparency level of the second door. 7. The refrigerator of claim 1, wherein the lighting device comprises: a first lighting device configured to emit light to the second storage area; anda second lighting device configured to emit light to a door storage part disposed on a rear side of the second door. 8. The refrigerator of claim 7, wherein the second lighting device is arranged closer to the second door than the first lighting device. 9. The refrigerator of claim 7, wherein the control unit is configured to turn off the second lighting device and turn on the first lighting device when the second door is opened during operation of the second lighting device. 10. The refrigerator of claim 1, further comprising a treatment portion that is provided in a rear surface of the front panel of the second door and that is configured to transmit light partially. 11. The refrigerator of claim 1, further comprising a treatment portion formed on a back surface of the front panel with a black color, the treatment portion configured to conceal an outline of a selectively transparent portion of the second door when the lighting device is off. 12. The refrigerator of claim 1, further comprising an auxiliary storage that is provided on a rear side of the second door and that is configured to form a storage space by a door basket or a shelf. 13. A method of operating a refrigerator that comprises a cabinet defining a first storage area and a second storage area, the first storage area provided at a lateral side of the second storage area, the refrigerator additionally comprising a lighting device configured to emit light toward the second storage area, a first door configured to open and close the first storage area, and a second door configured to open and close the second storage area, the second door comprising a frame unit and a front panel, the frame unit defining a hole formed therein and comprising an outer case defining a front frame of the second door, an inner liner defining a back surface of the second door, and an insulating material filled in a space formed between the outer case and the inner liner excluding the hole, the front panel configured to cover the hole of the frame unit and formed of a transparent material, and the refrigerator further comprising a sensor configured to detect a user outside the refrigerator, the method comprising: maintaining the first storage area at a first operating temperature and the second storage area at a second operating temperature higher than the first operating temperature;detecting, through the sensor, that the user is within a predetermined distance from the refrigerator; andbased on detecting that the user is within the predetermined distance from the refrigerator, controlling the lighting device to emit light toward the second storage area and enabling the user to see the inside of the second storage area selectively through the hole of the frame unit of the second door. 14. The method of claim 13, further comprising: sensing, through a door switch, whether a door is opened or not; andbased on sensing that the door is opened, operating the lighting device. 15. The method of claim 13, further comprising: controlling the lighting device to have a dimming effect. 16. The method of claim 15, further comprising: controlling a brightness of the lighting device as the user approaches the refrigerator; andbased on the user getting closer to the refrigerator, increasing a brightness level of the lighting device and increasing a transparency level of the second door. 17. The method of claim 13, wherein controlling the lighting device comprises: controlling a first lighting device configured to emit light to the second storage area; andcontrolling a second lighting device configured to emit light to a door storage part disposed on a rear side of the second door. 18. The method of claim 17, wherein the second lighting device is arranged closer to the second door than the first lighting device. 19. The method of claim 17, further comprising: turning off the second lighting device and turning on the first lighting device based on the second door being opened during operation of the second lighting device. 20. The method of claim 13, wherein the refrigerator further comprises a treatment portion that is provided in a rear surface of the front panel of the second door and that is configured to transmit light partially.
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이 특허에 인용된 특허 (8)
Hamlin, Bradley Ray; Kowalski, Steven Martin; Bleau, John Joseph, Appliance doors having integrated lighting and controls.
Gierens, Anne; Wolff, Richard; Dieu, Stéphane, Light-emitting glazing assembly, door and piece of refrigerating equipment comprising this assembly and manufacture thereof.
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