Samsung Electronics Co., Ltd.

Samsung Display Co., Ltd.

Ji Woong Choi

Chang Sun Yun

Nam Ju Park

Hong-joo Kang

Dong Oh Kang

Hyun Kwan Lee

Kihyun Pyun

Jung Hoon Kim

Sang Min Park

Byoung Kuk Lee

Se Hoon Park

Kil Young Lee

Yunmi Kim

Sang Hyun Kang

Se Bin Im

Eun Soo Jang

Dong Myoung Joo

Hong-Joo Kang

A display device includes: a display panel including: a substrate; a light-emitting layer on a first surface of the substrate; and wire pads on the first surface of the substrate, and adjacent to a side of the substrate; and a support member on a second surface of the substrate opposite to the first surface of the substrate. The substrate includes stepped portions protruding from the second surface in a thickness direction of the substrate, and the stepped portions overlap with the wire pads.

Display device and rollable electronic device

A display device includes a first electrode disposed on a substrate; a second electrode disposed on the substrate, the second electrode being spaced apart from, and facing, the first electrode in a first direction; and a plurality of light-emitting elements extending in a length direction and having both ends disposed on the first electrode and second electrode, respectively, wherein the first electrode includes a plurality of first patterns which are recessed from a top surface of the first electrode and from a side surface of the first electrode that faces the second electrode, and the second electrode includes a plurality of second patterns which are recessed from a top surface of the second electrode and from a side surface of the second electrode that faces the first electrode.

Display device

A cooking apparatus and a control method thereof, and more particularly, technology for determining the type of vessel placed in the cooking apparatus and controlling power in response to a state change of the placed vessel or a temperature change of a coil. In accordance with one aspect, a cooking apparatus includes: a coil on which a vessel is placed, configured to form a magnetic field upon application of a current; a detection sensor configured to detect a magnitude of an input current applied differently according to a type of the vessel and a magnitude of an input voltage of the cooking apparatus; and a controller configured to determine a type of the placed vessel according to a power value calculated based on the detected input current and input voltage, and to determine a heating mode of the cooking apparatus based on the determined type of vessel.

Cooking apparatus and control method thereof

An induction heating cooking apparatus and a method of displaying cooking information of the induction heating cooking apparatus are provided, and more particularly, an induction heating cooking apparatus and a method of displaying cooking information of the induction heating cooking apparatus that provide cooking information to a user through a reflector positioned inside the induction heating cooking apparatus are disclosed. Some of the disclosed embodiments provide the induction heating cooking apparatus and the method of displaying cooking information of the induction heating cooking apparatus that provide the cooking information to the user using a projector and the reflector positioned inside the induction heating cooking apparatus.

Induction heating cooking apparatus and method of displaying cooking information thereof

The present disclosure relates to a cooking apparatus and a method of controlling the same, and more particularly, to a technology for reducing stress caused by a current flowing through a diode included in the cooking apparatus. The cooking apparatus includes a coil on which a vessel is mounted, configured to form a magnetic field upon application of a current; a first switch and a second switch configured to change a direction of the current flowing through the coil; a first diode connected in parallel to the first switch or a second diode connected in parallel to the second switch; and a controller configured to alternately control a turn-on operation of the first switch and the second switch, and when a maximum value of the current flowing through the first diode or a maximum value of the current flowing through the second diode exceeds a predetermined value, to increase an operating frequency of turning on the first switch and the second switch to limit the maximum value of the current flowing through the first diode or the second diode to less than or equal to the predetermined value.

Cooking apparatus and method of controlling the same

A display device includes a controller to generate a start frame control signal having a first level in an active period and a second level in a blank period, a load signal toggling between the first level and the second level in the active period and having the second level in the blank period, and a data signal including image data in the active period and a training pattern in the blank period, and a data driver to recover the image data from the data signal based on an internal clock signal to provide display pixels with data voltages in the active period, and to perform a training operation for the internal clock signal using the training pattern in the data signal when both of the start frame control signal and the load signal are maintained as the second level for more than a reference time in the blank period.

Data driver performing clock training, display device including the data driver, and method of operating the display device

Disclosed herein is a cooking apparatus. The cooking apparatus includes a cooking plate, a plurality of induction heating coils installed under the cooking plate, a plurality of drivers configured to supply driving power to the plurality of induction heating coils, and a controller configured to control the plurality of drivers to drive a plurality of groups to which the plurality of induction heating coils belong, respectively. Power output by a first driver, among the plurality of drivers, which drives a first group among the plurality of groups may be increased and power output by a second driver, among the plurality of drivers, which drives a second group among the plurality of groups may be decreased.

A cooking apparatus and a method for controlling the cooking apparatus are provided. The cooking apparatus includes induction heating coils that include a high power burner in which a first heating coil and a second heating coil are concentric. The cooking apparatus includes a low power burner that includes a third heating coil and a fourth heating coil, a power supply unit that includes a first AC power supply unit and a second AC power supply unit which have a different phase from each other, and a coil driving unit that provides power supplied by the first AC power supply unit to the first heating coil, and provides power supplied by the second AC power supply unit to at least one of the second heating coil, the third heating coil, and the fourth heating coil.

Cooking apparatus and method for controlling the same

A cooking apparatus includes a coil configured to generate a magnetic field, a driver including a first switch and a second switch and configured to change a direction of the current, a current detector configured to detect the current of the coil, a controller configured to increase a duty cycle of the first switch during a reference time when an operation start signal is transmitted thereto, control operations of the first switch and the second switch on the basis of an operating frequency when the reference time elapses, check zero cross points of currents detected while the first switch and the second switch are operated, compare a time point of the checked zero cross point to a starting time point of an turn-on operation of the first switch to determine a material of the vessel, and block the applied current when the vessel is determined to be a non-heatable vessel.

Growing community of inventors

Yongin-si, South Korea

Ji Woong Choi