Abstract: A display device includes a bottom electrode on a substrate, and including a first electrode portion and second electrode portions on sides of the first electrode portion, a first insulating layer on the substrate and the bottom electrode, an active layer on the first insulating layer, and including a channel region on the first electrode portion and a source and a drain region on the second electrode portions, a gate insulating layer on the channel region, and exposing the source and the drain region, and a gate electrode on the gate insulating layer, and overlapping the channel region. The first insulating layer and the active layer includes a valley in a corresponding area between the first electrode portion and the second electrode portions. The gate insulating layer includes an end positioned on the valley of the active layer and has a length greater than the gate electrode.

Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 1, a plurality of host materials comprising a combination of specific compounds, and an organic electroluminescent device comprising the same. The organic electroluminescent device having improved driving voltage, luminous efficiency and/or lifespan properties can be provided by including the organic electroluminescent compound or a specific combination of compounds according to the present disclosure as a host material(s).

Abstract: Disclosed is a self-care mental health management apparatus and method for prescribing customized digital content based on emotion-cognition-behavior theory and fostering behavioral habits for mental health management. The method includes selecting emotional, cognitive, and behavioral content tailored to a user's mental health type, categorized by emotional, cognitive, and behavioral aspects. It also involves determining the recommendation order for the selected content and delivering it to a user terminal accordingly. This approach ensures personalized mental health support by addressing emotional, cognitive, and behavioral dimensions systematically.

Abstract: A method for ZQ calibration for a data transmission driving circuit of each memory die in a memory chip package in which memory dies are stacked, includes generating a reference current through a reference resistor connected between a power terminal supplying a power voltage of the data transmission driving circuit and a ground terminal and a first transistor that is diode-connected; supplying first currents corresponding to the reference currents to a pull-up driver of each memory die; performing ZQ calibration of a pull-up driver of a corresponding memory die by comparing a first voltage formed by each first current with a reference voltage formed by the reference current in each of the plurality of memory dies; and performing ZQ calibration of a pull-down driver of the corresponding memory die based on an output impedance of the ZQ calibrated pull-up driver in each of the memory dies.

Abstract: An embodiment of a display device includes a substrate, a semiconductor layer, a first gate insulating layer, a gate electrode, a second gate insulating layer, a first storage electrode, a first interlayer insulating layer, a second interlayer insulating layer, a data line, and a driving voltage line. The semiconductor layer is disposed on the substrate. The first gate insulating layer is disposed on the semiconductor layer. The gate electrode is positioned on the first insulating layer. The second gate insulating layer is disposed on the gate electrode. The first storage electrode is positioned on the second gate insulating layer. The first interlayer insulating layer is disposed on the first storage electrode and has an opening surrounding the semiconductor layer, the gate electrode, and the first storage electrode. The second interlayer insulating layer is disposed on the first interlayer insulating layer and fills the opening.

Abstract: Disclosed are an electronic system for controlling a memo object in a virtual space and an operating method thereof. The disclosed electronic system comprises: an electronic device, which detects, on the basis of an input from a user, the motion of writing on a reference object in a virtual space; and a display device, which displays a scene in the virtual space corresponding to the viewpoint of the user and provides the scene to the user and, in response to the case where the reference object is included in the scene, displays on the reference object the writing corresponding to the writing motion, on the basis of information transmitted from the electronic device, wherein the reference object in the virtual space is disposed on the surface of the electronic device, at least one of the two hands of the user is tracked and displayed in the virtual space, and the tracked hand of the user controls one or more objects in the virtual space.

Abstract: A memory core characteristic screening method includes the following steps. A command signal transmitting step includes configuring a processing module to transmit a command signal to a memory device. A first internal operating step includes configuring the memory device to operate a first operation to one of a word line, a bit line pair and a column line after a first strobe signal delay time according to a first command. A second internal operating step includes configuring the memory device to operate a second operation to another one of the word line, the bit line pair and the column line after a second strobe signal delay time according to a second command. A memory core characteristic screening step includes screening a memory core characteristic by shorting a timing between the first strobe signal delay time and the second strobe signal delay time.

Abstract: The present invention relates to a diamine, and a polymer and film produced using the same. Specifically, the diamine may be significantly effectively used as a monomer for producing a polyimide-based film that is colorless and transparent and has improved mechanical strength.

Abstract: A side structure of a vehicle body can include a center pillar formed with a center pillar mounting portion supporting a supporter, and a center pillar bracket to which a center pillar bracket mounting portion is formed to support the supporter, and the center pillar bracket connected to the center pillar.

Abstract: An embodiment joint structure for a vehicle body includes a front body module that is a stationary part fixable to a front part of an under body of the vehicle body, a rear body module that is a variable part having a preset shape, the rear body module being attachable to and detachable from a rear part of the under body and a rear part of the front body module, a plurality of stationary part coupling modules disposed on an upper end surface portion of a rear edge of the front body module, and a plurality of variable part coupling modules disposed on an upper end surface portion of a front edge of the rear body module and couplable to the stationary part coupling modules by an electromagnetic force.

Abstract: An embodiment joint structure of a vehicle body includes a front body module fixed to a front portion of a center floor member of an underbody of the vehicle body, wherein the front body module is a fixed part, a rear body module detachably fixed to a rear portion of the center floor member and a rear portion of the front body module in a set shape, wherein the rear body module is a variable part, a plurality of center floor member coupling modules disposed on the center floor member at the rear portion of the front body module, and a plurality of variable part coupling modules disposed at a lower side of the rear body module and configured to be coupled to the center floor member coupling modules by electromagnetic force.

Abstract: A mobile display device includes a first display device that provides images to a user's left eye, a second display device that provides images to the user's right eye, a display device housing that accommodates the first display device and the second display device, and a housing cover that covers the display device housing and includes a first eyepiece aligned with the first display device and a second eyepiece aligned with the second display device. Each of the first display device and the second display device includes a display panel and a circuit board disposed at one end of the display panel and that includes a driver circuit. The circuit board of the first display device and the circuit board of the second display device are symmetrically arranged with respect to a center of the housing cover located between the first eyepiece and the second eyepiece.

Abstract: A connection structure of a vehicle body can include an under body with an under body mounting unit mounted thereon, and a variable part including a variable part mounting unit selectively connected to the under body mounting unit and an outer cross member mounted on an upper portion of the variable part mounting unit.

Abstract: According to one embodiment, a storage device includes a stacked layer structure including a switching element, an electrode including a first electrode portion, and a variable resistance element, which are stacked in a first direction, wherein the switching element and the electrode are in contact with each other in the first direction, and a first face of the first electrode portion on a side of the switching element is in contact with a second face that is inside the stacked layer structure and that is larger than the first face.

Abstract: An apparatus for correcting output impedance of a memory interface driving circuit, the apparatus comprising: a first PD driver including a plurality of first sub PD drivers connected to each other in parallel; a first control unit configured to sequentially change a first control code, the first control code being a combination of control signals for turning the plurality of first sub PD drivers on or off in each pull-down sweep; and a first comparator configured to generate a first output pattern, the first output pattern being a sequence of 0 or 1 representing a result of comparing an output voltage of the first PD driver generated according to the first control code with a first reference voltage, wherein the first control unit determines a first impedance correction code for the memory interface driving circuit from among the sequentially changing first control codes using the first output pattern.

Abstract: An embodiment vehicle body includes a drive vehicle body module configured to accommodate a driving part of a vehicle and including a first plurality of frames coupled together and fastening units provided at an upper end of the drive vehicle body module and an upper vehicle body module including a second plurality of frames coupled together, wherein a lower end of the upper vehicle body module is fastened to the fastening units of the drive vehicle body module to define an interior usage space of the vehicle.

Abstract: Disclosed is an ultra-wide band (UWB) radar device including a first antenna circuit including a first transmission circuit, a first reception circuit, a first oscillator that supplies a first clock signal to the first transmission circuit and the first reception circuit, and a first frequency counter, a second antenna circuit including a second transmission circuit, a second reception circuit, a second oscillator that supplies a second clock signal to the second transmission circuit and the second reception circuit, and a second frequency counter, and a controller that detects the target. The controller corrects a frequency error between the first clock signal and the second clock signal and compensates for a synchronization error between the first antenna circuit and the second antenna circuit.

Abstract: A method for driving an electronic device may include receiving light passing through a display panel, generating an image signal based on the light, compensating the image signal with a compensation algorithm to generate a compensated image signal, wherein the compensation algorithm is trained with training data including a first comparison image and a second comparison image, and displaying, on the display panel, a compensated image based on the compensated image signal, wherein the first comparison image is a target restoration image and the second comparison image is a composite image.

Abstract: A charging apparatus includes a control unit configured to determine an average ion concentration, a surface ion concentration and a solid phase potential for anode particles and an electrolyte potential in an anode, using a predefined electrochemical reduced order model. The control unit is further configured to determine a side reaction rate from the solid phase potential and the electrolyte potential. The control unit is further configured to reduce the magnitude of the charging current applied to a secondary battery based on at least one of a cutoff voltage, the surface ion concentration and the side reaction rate.