Abstract: A memory system is provided and includes memory chips in each of which a first state output pin is arranged and a memory controller in which a first state input pin connected to a first channel including first ways respectively connected to the first state output pins arranged in the memory chips is arranged. The memory controller checks a first internal state of each of the memory chips, based on one or more of a chip enable signal and a CE reduction command of the memory chips, and a second signal received through the first state input pin as a result of an AND operation of first signals output through the first state output pins, during a state check interval for checking respective states of the memory chips.

Abstract: A display device including a substrate, a light emitting stacked structure disposed on the substrate and including a plurality of epitaxial sub-units disposed one over another, a first adhesive layer bonding the epitaxial sub-units to the substrate; and a line part disposed on the substrate and configured to apply a light emitting signal to each of the epitaxial sub-units, in which the light emitting stacked structure is configured to provide light having various colors by a combination of light emitted from each of the epitaxial sub-units, and the first adhesive layer includes a conductive and non-transparent material.

Abstract: The present invention relates to an etching device and an etching method thereof, the etching device comprising: an etchant supply unit for supplying an etchant to an etching chamber, a rinsing liquid supply unit for supplying a rinsing liquid to the etching chamber; a cleaning liquid supply unit for supplying a cleaning liquid to the etching chamber; and a first pressurization maintaining unit for maintaining at least one of the etching chamber and the etchant supply unit in a pressurized atmosphere.

Abstract: A portable communication device is provided for voice recognition and comprises a display, communication circuitry, a microphone, at least one processor including a first processor and a second processor, and a memory storing instructions, when executed by the at least one processor, cause the portable communication device to: receive a first voice input via the microphone while a specified application is running; determine whether a voice recognition is to be performed with respect to the specified application by one of the first processor and the second processor; in case that the voice recognition is to be performed with respect to the specified application by the first processor; when the first voice input includes a wakeup command which is different from a designated command for the specified application by the voice recognition of the first processor, transmit a second voice input received after the first voice input through the communication circuitry to an external electronic device, and when the firs

Abstract: A display device is provided. An embodiment of a display device includes a first substrate, a second substrate disposed on the first substrate, first and second partition walls disposed on the second substrate, the second partition wall being disposed outside the first partition wall, a first trench disposed inside the first partition wall and having a first width, a second trench disposed between the first and second partition walls and having a second width greater than the first width; an alignment key disposed to overlap the second trench; a first spacer disposed on the alignment key, and a sealing member disposed along an edge between the first substrate and the second substrate without overlapping the alignment key, wherein the first spacer partially overlaps the first partition wall, the second partition wall, and the sealing member.

Abstract: An apparatus for preparing lithium sulfide includes a reaction chamber that has a reaction space for generating lithium sulfide and is provided to move a supplied lithium raw material in a predetermined direction; a lithium raw material supply unit provided to continuously supply the lithium raw material to an upstream side of the reaction chamber in the predetermined direction; a hydrogen sulfide supply unit provided to supply hydrogen sulfide to the reaction chamber; a heating unit; a lithium sulfide recovery unit provided on a downstream side of the reaction chamber in the predetermined direction and provided to recover lithium sulfide that is generated by a reaction between the hydrogen sulfide and the lithium raw material in the reaction chamber; an inert gas supply unit provided to supply an inert gas to the upstream side of the reaction chamber in the predetermined direction; and a moisture removal unit.

Abstract: A polarizing plate and an optical display device are disclosed. A polarizing plate includes a polarizer, and a retardation layer laminated on a surface of the polarizer, the retardation layer includes a retardation film that satisfies a relationship of nx>nz>ny, where nx, ny, and nz are indexes of refraction of the retardation film in a slow axis direction, a fast axis direction, and a thickness direction of the retardation film, respectively, at a wavelength of 550 nm, an alignment direction of a main chain of a resin contained in the retardation film with respect to a light transmission axis of the polarizer is in a range from ?5° to +5°, and the retardation film has a degree of biaxiality of 0.2 to 0.6 at the wavelength of 550 nm.

Abstract: Disclosed is a method of rapidly and precisely predicting lithium ion conductivity of a solid electrolyte. The method may include simulating a crystal structure of the solid electrolyte and creating training sets based on the crystal structure for machine learning; calculating a potential specific to the simulated crystal structure by machine learning using the training sets; and predicting the lithium ion conductivity of the solid electrolyte from the potential using molecular dynamics simulations.

Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein: X1 is O or S; L1 is a single bond or an unsubstituted phenylene; L2 is a single bond, or a substituted or unsubstituted: phenylene, naphthylene, or biphenylenyl; Y1 to Y3 are each independently N or CR3, where at least one is N; Ar1a and Ar1b are each independently a substituted or unsubstituted: C6-60 aryl or C1-60 heteroaryl containing 1 to 3 heteroatoms selected from N, O and S; R1 and R2 are each independently hydrogen, deuterium, cyano, or a substituted or unsubstituted C1-10 alkyl; each R3 is independently hydrogen, deuterium, halogen, cyano, nitro, amino, or a substituted or unsubstituted: C1-60 alkyl, C1-60 haloalkyl, C1-60 alkoxy, a C1-60 haloalkoxy, C3-60 cycloalkyl, C2-60 alkenyl, C6-60 aryl, C6-60 aryloxy, or a C1-60 heteroaryl containing at least one heteroatom selected from N, O and S; and an organic light emitting device comprising the same.

Abstract: A semiconductor device is provided. The semiconductor device includes: a semiconductor device including: an active pattern extending in a first direction; a gate structure including a gate electrode extending in a second direction and a gate spacer on the active pattern, wherein the gate electrode and the gate spacer are spaced apart from each other in the first direction; a source/drain pattern on the active pattern; a contact barrier layer on the source/drain pattern; and a contact filling layer on the contact barrier layer. An uppermost point of the contact barrier layer is between an upper surface of the contact filling layer and a lower surface of the contact filling layer, and outer walls of the contact barrier layer and outer walls of the contact filling layer extend along a common plane.

Abstract: A display controller includes a resource controller configured to receive layer information about each of a first layer and a second layer that are output at different times through a display panel during a unit frame. The display controller includes a data input direct memory access (DMA) configured to receive first image data corresponding to the first layer and second image data corresponding to the second layer, and a hardware resource configured to receive the first and second image data from the data input DMA, process the received first and second image data according to the layer information, and generate first layer data of the first layer and second layer data of the second layer. The resource controller is configured to control the data input DMA according to the layer information to determine an order in which the first and second image data are provided to the hardware resource.

Abstract: A light emitting device including a first LED sub-unit having a thickness in a first direction, a second LED sub-unit disposed on a portion of the first LED sub-unit in the first direction, each of the first and second LED sub-units comprising a first-type semiconductor layer, a second-type semiconductor layer, and an active layer, a reflective electrode disposed adjacent to the first LED sub-unit and electrically connected to the first-type semiconductor layer of the first LED sub-unit, and a first ohmic electrode forming ohmic contact with the second-type semiconductor layer of the first LED sub-unit, in which the active layer of the first LED sub-unit is configured to generate light, includes AlxGa(1-x-y)InyP (0?x?1, 0?y?1), and overlaps the active layer of the second LED sub-unit in the first direction, and the active layer of the second LED sub-unit includes the same material as the active layer of the first LED sub-unit.

Abstract: An optical display apparatus includes a liquid crystal panel and a viewer-side polarizing plate stacked on a surface of the liquid crystal panel, and the liquid crystal panel includes a liquid crystal layer having a pre-tilt angle of 2° to 5°, and the viewer-side polarizing plate includes a first retardation layer including a positive A layer, a second retardation layer including a positive C layer, and a polarizer sequentially stacked from the liquid crystal panel, and satisfies Equation 1.

Abstract: A light emitting diode (LED) stack for a display including a first LED stack including a first conductivity-type semiconductor layer and a second conductivity-type semiconductor layer, a second LED stack disposed on the first LED stack, a third LED stack disposed on the second LED stack, an intermediate bonding layer disposed between the first LED stack and the second LED stack to bond the second LED stack to the first LED stack, an upper bonding layer disposed between the second LED stack and the third LED stack to couple the third LED stack to the second LED stack, and a first hydrophilic material layer disposed between the first LED stack and the upper bonding layer.

Abstract: Provided is a semiconductor device. The semiconductor device includes a semiconductor substrate including monocrystalline silicon or polycrystalline silicon, a first insulating layer on the semiconductor substrate, the first insulating layer including a local region in which a portion of an upper surface of the first insulating layer is recessed, a channel layer provided in the local region of the first insulating layer, a silicide provided on one side surface of the channel layer, a control gate provided on the channel layer, a gate insulating film provided between the channel layer and the control gate, and a polarity control gate arranged so as to overlap an interface between the channel layer and the silicide, wherein the polarity control gate is spaced apart from the control gate, and the channel layer includes monocrystalline silicon.

Abstract: A method of controlling a hybrid electric vehicle including an engine and a first motor connected to main drive wheels and a second motor connected to auxiliary drive wheels includes determining a required torque, in response to a predetermined condition being satisfied, determining a first torque that the second motor is to continuously output based on the required torque and a vehicle speed and determining a second torque that the second motor is to discontinuously output in order to compensate for acceleration loss in a situation in which the acceleration loss occurs based on a state of an engine clutch disposed between the engine and the first motor, a state of a transmission, or the required torque, and determining a final torque of the second motor based on the first and second torques.

Abstract: A blank mask including a transparent substrate, a phase shift film disposed on the transparent substrate, and a light shielding film disposed on the phase shift film. The phase shift film has XRD maximum peak at 20 of 15° to 30° when normal mode XRD analysis is performed on an upper surface of the phase shift film. The transparent substrate has XRD maximum peak at 20 of 15° to 30° when performing normal mode XRD analysis on a lower surface of the transparent substrate. AI1 value of the blank mask expressed by below Equation is 0.9 to 1.1. AI ? 1 = XM ? 1 XQ ? 1 XM1 is the maximum value of the measured X-ray intensity when the normal mode XRD analysis is performed on upper surface of the phase shift film. XQ1 is the maximum value of the measured X-ray intensity when the normal mode XRD analysis is performed on the lower surface of the transparent substrate.

Abstract: A light emitting diode (LED) pixel for a display including a first LED stack having a first well layer, a second LED stack disposed on the first LED stack and having a second well layer, a third LED stack disposed on the second LED stack and having a third well layer, a first electrode disposed on the first LED stack and in ohmic contact with the first LED stack, a second electrode disposed on the second LED stack and in ohmic contact with a surface of the second LED stack, and a third electrode in ohmic contact with a surface of the third LED stack, in which the first well layer includes at least one base material different from that of the second well layer.

Abstract: Disclosed are a polycyclic compound with a specific fused ring structure and an organic light emitting device including a light emitting layer that employs the polycyclic compound. The use of the polycyclic compound ensures significantly long lifetime and improved luminous efficiency of the device.

Abstract: The present invention relates to a novel compound that induces selective degradation of AURKA, and specifically provides a bifunctional compound in which an AURKA binding moiety and an E3 ubiquitin ligase binding moiety are linked by a chemical linker, a method for preparing same, and a use thereof. In addition, the compound according to the present invention can be effectively used for the prevention or treatment of AURKA-related diseases.