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 case that defines a storage chamber;a first lighting device that is configured to illuminate an inner space of the storage chamber;a second lighting device that is configured to illuminate the inner space of the storage chamber and that is provided in front of the fir
1. A refrigerator comprising: a case that defines a storage chamber;a first lighting device that is configured to illuminate an inner space of the storage chamber;a second lighting device that is configured to illuminate the inner space of the storage chamber and that is provided in front of the first lighting device;a first door that is rotatably coupled to the case, that is configured to open and close the storage chamber, and that defines a first hole that penetrates the first door;a sensor that is configured to detect whether a user is within a predetermined distance of the refrigerator; anda control unit that is configured to control the first lighting device and the second lighting device based on a sensing signal of the sensor,wherein the inner space of the storage chamber is viewable through the first hole from outside the refrigerator based on an activation state of the first lighting device and the second lighting device. 2. The refrigerator of claim 1, wherein the control unit is configured to activate the first lighting device and the second lighting device in response to the sensor detecting the user within the predetermined distance of the refrigerator. 3. The refrigerator of claim 2, wherein the control unit increases power supplied to the first lighting device and the second lighting device to increase a brightness level of the first lighting device and the second lighting device. 4. The refrigerator of claim 1, wherein the control unit is configured to deactivate the first lighting device and the second lighting device in response to the sensor when the sensor detects the user goes away from the refrigerator. 5. The refrigerator of claim 4, wherein the control unit reduces power supplied to the first lighting device and the second lighting device to reduce a brightness level of the first lighting device and the second lighting device. 6. The refrigerator of claim 1, the first door comprising: a frame unit that defines the first hole;a front panel that defines a front appearance of the first door and that is located at a front surface of the frame unit; andan insulation panel that is located in the first hole and behind the front panel, the insulation panel being smaller than the front panel,wherein the first door defines an insulation space that is located between the front panel and the insulation panel. 7. The refrigerator of claim 6, wherein the insulation panel is smaller than the front panel and the front panel is configured to cover all the front surface of the first door. 8. The refrigerator of claim 6, wherein the first door comprises a first layer that is located at a rear surface of the front panel such that a visibility through the first layer from outside of the refrigerator increases based on the activation state of the first lighting device and the second lighting device. 9. The refrigerator of claim 1, further comprising a second door that is rotatably coupled to the first door, wherein the first door has an auxiliary storage chamber provided therein and the second door is configured to open and close the auxiliary storage chamber. 10. The refrigerator of claim 9, wherein the second lighting device is configured to illuminate an inner space of the auxiliary storage chamber. 11. The refrigerator of claim 10, wherein the second lighting device is provided at the first door. 12. The refrigerator of claim 10, wherein the second door has a second hole penetrating the second door, the second door comprising: an outer case that forms a front frame of the second door and has the second hole in a central portion thereof,a front panel formed of transparent material and provided on a front surface of the outer case to form a front surface of the second door, andan insulation panel formed of a transparent material, located behind the front panel and configured to seal the second hole of the second door. 13. The refrigerator of claim 12, wherein the inner space of the storage chamber and the inner space of the auxiliary storage chamber are viewable through the first hole and the second hole from outside the refrigerator based on the activation state of the first lighting device and the second lighting device. 14. A refrigerator comprising: a case that defines a storage chamber;a first lighting device that is configured to illuminate an inner space of the storage chamber;a first door that is rotatably coupled to the case, that is configured to open and close the storage chamber, and that defines a first hole that penetrates the first door;a sensor that is configured to detect whether a user is within a predetermined distance of the refrigerator; anda control unit that is configured to control the first lighting device based on a sensing signal of the sensor,wherein the control unit is configured to increase an amount of electric current supplied to the first lighting device to increase a brightness level of the first lighting device, as the user approaches the refrigerator, andwherein the inner space of the storage chamber is viewable through the first hole from outside the refrigerator based on an activation state of the first lighting device. 15. The refrigerator of claim 14, wherein the control unit is configured to deactivate the first lighting device in response to the sensor when the sensor detects the user goes away from the refrigerator. 16. The refrigerator of claim 15, wherein the control unit reduces power supplied to the first lighting device to reduce a brightness level of the first lighting device. 17. The refrigerator of claim 14, the first door comprising: a frame unit that defines the first hole;a front panel that defines a front appearance of the first door and that is located at a front surface of the frame unit; andan insulation panel that is located in the first hole and behind the front panel, the insulation panel being smaller than the front panel,wherein the first door defines an insulation space that is located between the front panel and the insulation panel. 18. The refrigerator of claim 14, further comprising: a second door that is rotatably coupled to the first door; anda second lighting device,wherein the first door has an auxiliary storage chamber provided therein and the second door is configured to open and close the auxiliary storage chamber, andwherein the second lighting device is configured to illuminate an inner space of the auxiliary storage chamber. 19. The refrigerator of claim 18, wherein the second door has a second hole penetrating the second door, the second door comprising: an outer case that forms a front frame of the second door and has the second hole in a central portion thereof,a front panel formed of transparent material and provided on a front surface of the outer case to form a front surface of the second door, andan insulation panel formed of a transparent material, located behind the front panel and configured to seal the second hole of the second door. 20. The refrigerator of claim 19, wherein the inner space of the storage chamber and the inner space of the auxiliary storage chamber are viewable through the first hole and the second hole from outside the refrigerator based on an activation state of the first lighting device and the second lighting device.
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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.
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