Abstract: A differential amplifier according to an embodiment can be provided in a data driving device for driving pixels of a display panel. The differential amplifier can improve the slew rate of the differential amplifier by supplying dynamic current to an input circuit stage and/or a current mirror circuit stage of the differential amplifier through a boosting circuit stage.

Abstract: There is provided a method of decoding an image, the method comprising: decoding information for motion information prediction of a current block from a bitstream, predicting motion information of the current block based on the information, refining motion information of the current block by using the decoded information and the predicted motion information of the current block and reconstructing the current block based on the refined motion information of the current block.

Abstract: An inverter module according to an embodiment of the present invention comprises: a high voltage circuit unit which generates an inverter control voltage and a motor driving voltage by using a first DC voltage; a high voltage circuit pattern which electrically connects the high voltage circuit unit; a low voltage circuit unit which communicates with an external device by using a second DC voltage having a smaller magnitude than the first DC voltage; and a low voltage circuit pattern which electrically connects the low voltage circuit unit. The high voltage circuit pattern and the low voltage circuit pattern are spaced apart from each other.

Abstract: A service identifying and processing method using a wireless terminal message according to an exemplary embodiment of the present invention includes (a) receiving a wireless terminal message by a first entity which is a mobile device; and (b) expressing, by a first agent which is an information processing application program installed on the first entity, entity information of second entity based on the wireless terminal message and service confirmation information related to service provided by the second entity, through an application screen by the first agent.

Abstract: An apparatus for manufacturing a secondary battery includes: an index table configured to receive a secondary battery cell, the secondary battery cell including an electrode assembly, a can accommodating the electrode assembly, and an electrode tab between the electrode assembly and the can to electrically connect the electrode assembly to the can; a laser scanner configured to irradiate laser onto an outer surface of the can to weld the electrode tab to the can; and a controller configured to variably control the laser scanner according to an operation of the index table.

Abstract: The present disclosure relates to a plurality of host materials and organic electroluminescent devices comprising the same. The present disclosure may provide a plurality of host materials having a composition favorable to thermal denaturation due to a low deposition temperature, while improving hole properties and electronic properties of HOMO and LUMO, by comprising separate compounds represented by formulas 1 and 2 into a light-emitting layer. By comprising the plurality of host materials of the present disclosure, it is possible to provide an organic electroluminescent device having a lower driving voltage, higher luminous efficiency and/or longer lifetime.

Abstract: A memory device includes a memory cell array including a plurality of memory cells, each of the plurality of memory cells having a switch element, and a data storage element connected to the switch element and containing a phis change material; and a memory controller for obtaining first read voltages from the plurality of memory cells, inputting a first write current to the plurality of memory cells, and then, obtaining second read voltages from the plurality of memory cells, wherein the memory controller compares the first read voltage of a first memory cell of the plurality of memory cells to the second read voltage of the first memory cell to determine a state of the first memory cell.

Abstract: The present disclosure discloses a substrate heat-treating apparatus including a process chamber in which a flat substrate to be heat treated is placed, the process chamber comprising a beam transmitting plate placed below the flat substrate and an infrared transmitting plate placed above the flat substrate; a beam irradiating module for irradiating a VCSEL beam having a single wavelength to a lower surface of the flat substrate through the beam transmitting plate; and an temperature measuring module configured to measure the laser beam reflected from the lower surface or an upper surface the flat substrate, thereby measuring the temperature of the flat substrate.

Abstract: A bulk-acoustic wave (BAW) resonator includes a central portion in which a first electrode, a piezoelectric layer, and a second electrode are sequentially stacked on a substrate, and an extension portion extending externally from the central portion, and an insertion layer and a loss prevention film are disposed in the extension portion between the substrate and the second electrode. The loss prevention film is formed to have a thickness of 50 ? to 500 ?. The insertion layer is stacked on the loss prevention film, and has a side surface opposing the central portion, the side surface is formed as a first inclined surface having a first inclination angle. The loss prevention film has a side surface opposing the central portion, the side surface is formed as a second inclined surface having a second inclination angle. The second inclination angle is formed to be greater than the first inclination angle.

Abstract: The present disclosure discloses a substrate heat-treating apparatus including a process chamber in which a flat substrate to be heat treated is placed, the process chamber comprising a beam transmitting plate placed below the flat substrate and an infrared transmitting plate placed above the flat substrate; a beam irradiating module for irradiating a VCSEL beam having a single wavelength to a lower surface of the flat substrate through the beam transmitting plate; and an emissivity measuring configured to measure the laser beam reflected from the lower surface or an upper surface the flat substrate, thereby measuring the emissivity of the flat substrate.

Abstract: A coil component is provided. The coil component includes a body having fifth and sixth surfaces opposing each other, first and second surfaces respectively connecting the fifth and sixth surfaces of the body and opposing each other, and third and fourth surfaces respectively connecting the first and second surfaces of the body and opposing each other in one direction, a recess disposed in an edge between one of the first and second surfaces of the body and the sixth surface of the body, a coil portion disposed inside the body and exposed through the recess, and an external electrode including a connection portion disposed in the recess and connected to the coil portion, and a pad portion disposed on one surface of the body. A length of the pad portion in the one direction is greater than a length of the connection portion in the one direction.

Abstract: An apparatus for estimating bio-information includes a sensor part configured to measure a pulse wave signal and a contact force of an object, while the object is in contact with the sensor part. The apparatus further includes a processor configured to extract a first feature from the measured pulse wave signal and the measured contact force, select one estimation model from a plurality of estimation models, based on a second feature of a user corresponding to the object, and estimate the bio-information, by inputting the extracted first features in the selected estimation model.

Abstract: A light emitting device includes a substrate including a roughened surface; a light emitter disposed on the substrate, which includes a first conductivity layer; and a mesa disposed on a partial region of the first conductivity layer. An ohmic electrode can be disposed on the mesa; and a contact electrode can be disposed on the first conductivity layer. The light emitting device further includes a first reflection layer; a first pad electrode and a second pad electrode; and a second reflection layer. The first insulating reflection layer covers at least a portion of the light emitter emitting structure, the ohmic electrode and the contact electrode. The second reflection layer is disposed on an opposite side of the substrate.

Abstract: A composition containing a chemokine inhibitor, a colony stimulating factor inhibitor, and an cancer immunotherapy agent, and a method for treatment of cancer, and a combination therapy are disclosed. The composition containing a CXCL12 inhibitor, a colony stimulating factor 1 (CSF1) inhibitor, and a cancer immunotherapy agent, for prevention and/or treatment of cancer, increases the infiltration and activity of CD8 cytotoxic T cells in cancers resistant to cancer immunotherapy agents, especially PD-1/PD-L1 immune checkpoint inhibitors, to effectively reduce tumor sizes and thus is useful for prevention and treatment of cancers resistant to immunotherapy agents, especially cancers overexpressing p16INK4A.

Abstract: A light emitting device includes a substrate; a first conductivity type semiconductor layer disposed on the substrate; a mesa; a transparent electrode; a contact electrode; a first insulating reflection layer; a first pad electrode and a second pad electrode; and a second insulating reflection layer. The first insulating reflection layer covers at least a portion of the light emitting structure, the transparent electrode and the contact electrode. The second insulating reflection layer is disposed on an opposite end of the substrate. The first and/or second insulating reflection layer have at least two regions which have different reflectivity properties.

Abstract: A method of screening a skin whitening agent uses the stromal cell-derived factor 1 (SDF1) promoter region, the correlation between the expression amount of the skin pigment and the expression of the SDF1 promoter is observed and thus it is expected to be available in systems for pre-screening pigmentation substances and pigment reduction materials, and the drugs screened by the method is used for treatment of skin pigment-related diseases.

Abstract: A key input device applicable to a smart mat is provided, where the key input device includes a first layer in which a plurality of row contacts are formed, a second layer in which a plurality of column contacts are formed, an insulating layer disposed between the first and second layers to form an insulating region and a current carrying region, and a processor configured to detect that at least one of a plurality of key switches formed by the plurality of row contacts and the plurality of column contacts is pressed.

Abstract: A light emitting diode chip includes a substrate; a first conductivity type semiconductor layer disposed on the substrate; a mesa; a transparent electrode; a contact electrode; a current spreader; a first insulating reflection layer; a first pad electrode and a second pad electrode; and a second insulating reflection layer. The first insulating reflection layer covers one end of the substrate, the first conductivity type semiconductor layer, the mesa, the transparent electrode. The second insulating reflection layer is disposed on an opposite end of the substrate and includes a structure of a distributed Bragg reflector (DBR).

Abstract: A negative pressure room with a safety management system according to an embodiment of the present disclosure includes an interior space being under negative pressure and is provided in a movable form, so that the negative pressure room can be constructed promptly and economically in the event of a spreading infection, thereby enabling rapid and efficient quarantine treatment and observation of patients with confirmed and suspected infections, the negative pressure room is isolated from a general ward, thereby preventing the possibility of further infection to other patients or medical staff, and real-time monitoring whether negative pressure is appropriately generated in the interior space, air quality in the interior space, and the state of an isolated patient is enabled.

Abstract: An apparatus for and a method for estimating blood pressure are provided. The apparatus for estimating blood pressure includes: a sensor configured to measure a pulse wave signal from an object; and a processor configured to obtain a mean arterial pressure (MAP) based on the pulse wave signal, configured to classify a phase of the obtained MAP according to at least one classification criterion, and to obtain a systolic blood pressure (SBP) by using an estimation model corresponding to the classified phase of the MAP among estimation models corresponding to respective phases of the MAP.