Abstract: A display apparatus includes: a base substrate; a thin film transistor and a power supply wire on the base substrate; a first electrode on the base substrate, and electrically connected to the thin film transistor; a light emitting layer and a common layer on the first electrode; and a second electrode on the common layer. The power supply wire includes: a first conductive layer; a second conductive layer on the first conductive layer; and a third conductive layer on the second conductive layer. The third conductive layer protrudes more than the second conductive layer on a side surface of the power supply wire, and the second electrode contacts a side surface of the second conductive layer.

Abstract: A light emitting display device includes: a light emitting element; a second transistor connected to a scan line; a first transistor which applies a current to the light emitting element; a capacitor connected to a gate electrode of the first transistor; and a third transistor connected to an output electrode of the first transistor and the gate electrode of the first transistor. Channels of the second transistor, the first transistor, and the third transistor are disposed in a polycrystalline semiconductor layer, and a width of a channel of the third transistor is in a range of about 1 ?m to about 2 ?m, and a length of the channel of the third transistor is in a range of about 1 ?m to about 2.5 ?m.

Abstract: Disclosed are a spike neural network apparatus based on a multi-encoding and an operating method thereof. The method of operating a spike neural network (SNN) apparatus that performs a multi-encoding, includes receiving an input signal by an encoding module, performing a rate coding and a temporal coding on the received input signal by the encoding module, generating an SNN input signal based on the performance result of the rate coding and the temporal coding, and transmitting the generated SNN input signal to a neuromorphic chip that performs a spike neural network (SNN) operation.

Abstract: A backside illuminated image sensor includes a substrate having a frontside surface and a backside surface, a pixel region disposed in the substrate, a reinforcing pattern disposed on the frontside surface of the substrate, an insulating layer disposed on the frontside surface of the substrate and the reinforcing pattern, a bonding pad disposed on the insulating layer, and a second bonding pad electrically connected to the bonding pad through the substrate, the reinforcing pattern, and the insulating layer.

Abstract: A low power system on chip for supporting partial clock gating is provided. The system on chip includes a network on chip including a first CG-network interface module, a second CG-network interface module, and a clock gating control module, a first IP block that communicates through the first CG-network interface module, and a second IP block that communicates through the second CG-network interface module. The clock gating control module receives a clock gating request from the first IP block, outputs a communication control signal to the second CG-network interface module in response to the received clock gating request, and performs a clock gating operation for a clock signal in response to the received clock gating request to selectively deliver the clock signal to the second IP block.

Abstract: Disclosed is a synaptic circuit including a weight memory that stores a weight value, a current-mode digital-to-analog converter (C-DAC) circuit that receives the weight value from the weight memory and supplies a current based on the weight value, a parasitic capacitor correction circuit that receives the weight value from the weight memory and to correct a value of parasitic capacitance generated by the C-DAC circuit based on the weight value, and a pre-discharge circuit that drains charges accumulated by the parasitic capacitance.

Abstract: A display device includes: a substrate; a transistor disposed on the substrate; a first electrode connected to the transistor; an emission layer disposed on the first electrode; a second electrode disposed on the emission layer; a common voltage line connected to the second electrode; and a third electrode and a fourth electrode disposed between the common voltage line and the second electrode.

Abstract: Disclosed is an SNN circuit including a spike generator that receives an input spike signal and converts the input spike signal into a sub-spike signal and a main spike signal, a synaptic circuit that generates an operation signal based on a weight and outputs the operation signal in response to the main spike signal, a membrane capacitor that accumulates the operation signal, and a potential correction circuit that corrects an output terminal voltage of the synaptic circuit based on a voltage of the membrane capacitor.

Abstract: Disclosed are a biometric template-based authentication electronic device and an operating method thereof. The electronic device includes a memory, a transmitter that transmits a chirp signal, of which a frequency is changed, to a user, a receiver that obtains a biometric channel response signal, which responds to the transmitted chirp signal, from the user, and at least one processor that executes a biometric template authentication module based on machine learning. When executing the biometric template authentication module, the processor obtains a feature signal from the obtained biometric channel response signal, generates a biometric template from the obtained feature signal, performs the machine learning such that identification information of the user is inferred from the generated biometric template, and authenticates the user based on the result of the machine learning.

Abstract: A method for manufacturing a display apparatus according to an embodiment includes: preparing a carrier substrate and forming a sacrificial layer on a top surface of the carrier substrate, where the sacrificial layer includes a cover area and an exposure area located on at least one side of the cover area; forming a first flexible material having a bottom surface in contact with the sacrificial layer on a top surface of the cover area of the sacrificial layer to expose the exposure area of the sacrificial layer; and removing the exposure area of the sacrificial layer.

Abstract: Provided is a radioisotope battery. A radioisotope battery according to exemplary embodiments may include: a substrate; a shield layer disposed on the substrate and including a first material; a source layer embedded in the shield layer and including a second material which is a radioisotope of the first material; a PN junction layer on the shield layer and the source layer; and a window layer between the PN junction layer and the source layer.

Abstract: Provided are a human body communication device and an operating method of the same. The human body communication device according to an embodiment of the inventive concept includes a first electrode, a second electrode, a transmitting circuit, a receiving circuit, a ground electrode, and a switch. The transmitting circuit generates a first signal in a transmitting mode and transmits the first signal to the first electrode. The receiving circuit receives a second signal from the first electrode in the receiving mode. The receiving circuit includes a differential amplifier that amplifies a difference between a voltage level of a first input terminal depending on the second signal and a voltage level of a second input terminal. The switch electrically connects the second electrode and the ground electrode in the transmitting mode, and electrically connects the second electrode and the second input terminal in the receiving mode.

Abstract: A display device includes: a flexible display panel having a display area and a non-display area disposed adjacent to the display area; a supporting member provided at a predetermined area of the flexible display panel adjacent to one side of the flexible display panel, wherein the non-display area of the flexible display panel contacts the supporting member and surrounds the supporting member while being bent at a bend angle, and the bend angle of the non-display area is variously adjusted by the supporting member.

Abstract: A display device includes a first base, a pixel electrode on the first base, a pixel defining layer having an opening that at least partially exposes the pixel electrode, a light emitting layer on the pixel electrode, an auxiliary electrode on the same layer as the pixel electrode, a partition wall on the auxiliary electrode that at least partially exposes a side surface of the auxiliary electrode, an organic layer on the partition wall, and a common electrode continuously arranged on the light emitting layer and the organic layer, wherein a side surface of the partition wall has a reverse-tapered shape, and the common electrode contacts the side surface of the auxiliary electrode.

Abstract: A capsule endoscope image receiver includes a receiving electrode unit that receives first and second differential signals from a capsule endoscope image transmitter through a human body communication channel, an analog amplifying unit that receives the first and second differential signals and outputs first and second amplified differential signals, and a signal restoring unit that receives the first and second amplified differential signals and restores image information. The analog amplifying unit includes a first amplifier that outputs the first amplified differential signal, a second amplifier that outputs the second amplified differential signal, and an input impedance that is connected between a first inverting input terminal of the first amplifier and a second inverting input terminal of the second amplifier and obtains a gain of differential signal amplification in which a high frequency component of the first and second amplified differential signals is greater than a low frequency component.

Abstract: Disclosed is a learning method of a neural network which includes a first intermediate neuron layer and a second intermediate neuron layer. The method includes performing first learning, which is based on a first synaptic weight layer, with respect to input subjects and the first intermediate neuron layer, determining intermediate neurons, which will perform second learning, from among intermediate neurons of the first intermediate neuron layer, based on the number of spikes of each of spike output signals of the intermediate neurons of the first intermediate neuron layer, and performing the second learning, which is based on a second synaptic weight layer, with respect to the intermediate neurons determined to perform the second learning.

Abstract: A display device comprises first and second electrodes extending in one direction on a substrate, the first and second electrodes being spaced apart from each other, an organic layer on the first and second electrodes, the organic layer including a plurality of conductive regions and an insulating region, light-emitting elements on the organic layer and on the first and second electrodes, and a first connecting electrode coupled to first end portions of the light-emitting elements and one of the plurality of conductive regions, and a second connecting electrode coupled to second end portions of the light-emitting elements and another one of the plurality of conductive regions, wherein the organic layer includes PEDOT:PSS, and a surface roughness of the insulating region is greater than a surface roughness of the plurality of conductive regions.

Abstract: A display device includes: a first semiconductor layer on a first buffer layer, and including a first active layer; a first gate insulating layer on the first semiconductor layer, and covering the first active layer; a first conductive layer on the first gate insulating layer, and including a first gate electrode; a second conductive layer on the first conductive layer, and including a first source/drain electrode; a first interlayer insulating layer on the first conductive layer; a second semiconductor layer on the first interlayer insulating layer, and including a second active layer; a second gate insulating layer on the second semiconductor layer, and covering the second active layer; and a third conductive layer on the second gate insulating layer, and including a second gate electrode and a second source/drain electrode. The first gate insulating layer and the second gate insulating layer include different insulating materials from each other.

Abstract: Disclosed are a human body communication receiver and an operating method thereof, which may effectively remove low frequency noise. The human body communication receiver according to the present disclosure includes a receiving electrode, a virtual electrode, a filter circuit that is connected between the receiving electrode and the virtual electrode, and removes low frequency noise from a signal received through the receiving electrode to generate a high frequency signal, a low frequency reconstruction circuit that is connected to a rear end of the filter circuit and reconstructs a low frequency baseband signal by rectifying the high frequency signal, and an amplifying circuit that is connected to a rear end of the low frequency reconstruction circuit, and amplifies the low frequency baseband signal.

Abstract: Provided is a receiver. The receiver according to the inventive concept includes a first filter circuit, a second filter circuit, and an amplifier. The first filter circuit provides a first path for first frequency components below first cutoff frequency of input frequency components and passes second frequency components except for the first frequency components of the input frequency components through second path. The second filter circuit attenuates third frequency components below a second cutoff frequency of the second frequency components. The amplifier amplifies the second frequency components including the attenuated third frequency components.