Abstract: A display device including a light-emitting element, and a first transistor connected between a driving voltage line and the light-emitting element, the first transistor including a first gate electrode and a second gate electrode that face each other, and an active layer between the first gate electrode and the second gate electrode. The display device further includes a first data line connected to the first gate electrode of the first transistor, a second data line connected to the second gate electrode of the first transistor, and a data driver connected to the first data line and the second data line. The data driver applies a first data voltage to the first data line and applies a second data voltage having a different magnitude from the first data voltage to the second data line. The magnitude of the second data voltage varies depending on the magnitude of the first data voltage.

Abstract: A display device includes a substrate including a display area and a non-display area, a first insulating layer disposed on the substrate and including oxygen, a first transistor including a first active layer disposed on a first portion of the first insulating layer and a first gate electrode overlapping the first active layer, and a second transistor including a second active layer disposed on a second portion of the first insulating layer and a second gate electrode overlapping the second active layer, wherein an oxygen concentration of the second portion of the first insulating layer is higher than an oxygen concentration of the first portion of the first insulating layer.

Abstract: A display device according to an embodiment includes a substrate including a plurality of first pads for transmitting a gate signal, a plurality of second pad for transmitting a data signal, a plurality of third pads for transmitting a first power voltage, and a plurality of fourth pads for transmitting a second power voltage different from the first power voltage, into a display area; and a plurality of display modules each including first to fourth connection electrodes attached to the first to the fourth pads, respectively, a first transistor electrically connected to the third connection electrode and having an activation layer including a oxide semiconductor, a second transistor electrically connected to the first connection electrode and the second connection electrode, and a light emitting diode electrically connected to the first transistor and the fourth connection electrode.

Abstract: A thin film transistor included in a display device includes buffer layers on a substrate, an active pattern on the buffer layers, a gate electrode on the active pattern, a gate insulating layer between the active pattern and the gate electrode, and a source electrode and a drain electrode electrically connected to the active pattern and spaced apart in a first direction or a second direction crossing the first direction. The buffer layers include a first buffer layer contacting the active pattern, and a second buffer layer between the substrate and the first buffer layer, the first buffer layer has a first thickness in a third direction perpendicular to the first and second directions, the second buffer layer has a second thickness greater than the first thickness in the third direction, the first buffer layer includes silicon oxide (SiOx), and the second buffer layer does not include the silicon oxide.

Abstract: A display device including a light-emitting element, and a first transistor connected between a driving voltage line and the light-emitting element, the first transistor including a first gate electrode and a second gate electrode that face each other, and an active layer between the first gate electrode and the second gate electrode. The display device further includes a first data line connected to the first gate electrode of the first transistor, a second data line connected to the second gate electrode of the first transistor, and a data driver connected to the first data line and the second data line. The data driver applies a first data voltage to the first data line and applies a second data voltage having a different magnitude from the first data voltage to the second data line. The magnitude of the second data voltage varies depending on the magnitude of the first data voltage.

Abstract: Disclosed is a display device including: a substrate including a plurality of first pads transmitting a gate signal, a plurality of second pads transmitting a data signal, a plurality of third pads transmitting a first power voltage, and a plurality of fourth pads transmitting a second power voltage different from the first power voltage within a display area; and a plurality of display modules, each of which includes a light emitting diode connected to first to fourth electrodes attached to the first to fourth pads, a first transistor connected to the first electrode and the second electrode, a second transistor connected to the third electrode, and a light emitting diode connected to the second transistor and the fourth electrode.

Abstract: A display device includes: an active layer disposed on a substrate; a gate electrode disposed on the active layer to overlap the active layer and define a channel region of the active layer; a pixel electrode disposed on the gate electrode; a light emitting layer disposed on the pixel electrode; and a common electrode disposed on the light emitting layer. In the channel region having a channel length in a first direction, at least one side of the channel region that defines the channel length has a diagonal shape or a curved shape such that the channel length varies along a second direction intersecting the first direction.

Abstract: A display device including a light-emitting element, and a first transistor connected between a driving voltage line and the light-emitting element, the first transistor including a first gate electrode and a second gate electrode that face each other, and an active layer between the first gate electrode and the second gate electrode. The display device further includes a first data line connected to the first gate electrode of the first transistor, a second data line connected to the second gate electrode of the first transistor, and a data driver connected to the first data line and the second data line. The data driver applies a first data voltage to the first data line and applies a second data voltage having a different magnitude from the first data voltage to the second data line. The magnitude of the second data voltage varies depending on the magnitude of the first data voltage.

Abstract: A display apparatus according to an embodiment includes a plurality of display modules including a display region where a plurality of pixels are positioned and a non-display region outside the display region, wherein, for two display modules adjacent among a plurality of display modules to provide a continuous display region, the display region of the first display module among two adjacent display modules and the non-display region of the second display module among the two adjacent display modules overlap each other in a plane view.

Abstract: A display apparatus according to an embodiment includes a plurality of display modules including a display region where a plurality of pixels are positioned and a non-display region outside the display region, wherein, for two display modules adjacent among a plurality of display modules to provide a continuous display region, the display region of the first display module among two adjacent display modules and the non-display region of the second display module among the two adjacent display modules overlap each other in a plane view.

Abstract: A display device according to an embodiment includes a substrate including a plurality of first pads for transmitting a gate signal, a plurality of second pad for transmitting a data signal, a plurality of third pads for transmitting a first power voltage, and a plurality of fourth pads for transmitting a second power voltage different from the first power voltage, into a display area; and a plurality of display modules each including first to fourth connection electrodes attached to the first to the fourth pads, respectively, a first transistor electrically connected to the third connection electrode and having an activation layer including a oxide semiconductor, a second transistor electrically connected to the first connection electrode and the second connection electrode, and a light emitting diode electrically connected to the first transistor and the fourth connection electrode.

Abstract: Disclosed is a display device including: a substrate including a plurality of first pads transmitting a gate signal, a plurality of second pads transmitting a data signal, a plurality of third pads transmitting a first power voltage, and a plurality of fourth pads transmitting a second power voltage different from the first power voltage within a display area; and a plurality of display modules, each of which includes a light emitting diode connected to first to fourth electrodes attached to the first to fourth pads, a first transistor connected to the first electrode and the second electrode, a second transistor connected to the third electrode, and a light emitting diode connected to the second transistor and the fourth electrode.

Abstract: A sensor pixel circuit may include: a photodiode to which a current flows according to incident light; a storage capacitor connected in parallel to the photodiode; a first transistor for connecting a bias voltage and the photodiode by a contact of a recognition object; and a second transistor for transmitting charges stored in the storage capacitor to a data line.

Abstract: A sensor pixel according to a feature of the present invention includes: a detection electrode that forms capacitance with a recognition target; and a sensor pixel circuit that is connected to the detection electrode, generates a detection signal by using the detection electrode, and to which a DC voltage for resetting is supplied, wherein a coupling pulse is periodically applied to the recognition target that forms the capacitance with the detection electrode, and the detection signal may be changed according to the coupling pulse.

Abstract: A sensor pixel circuit may include: a photodiode to which a current flows according to incident light; a storage capacitor connected in parallel to the photodiode; a first transistor for connecting a bias voltage and the photodiode by a contact of a recognition object; and a second transistor for transmitting charges stored in the storage capacitor to a data line.

Abstract: A sensor pixel according to a feature of the present invention includes: a detection electrode that forms capacitance with a recognition target; and a sensor pixel circuit that is connected to the detection electrode, generates a detection signal by using the detection electrode, and to which a DC voltage for resetting is supplied, wherein a coupling pulse is periodically applied to the recognition target that forms the capacitance with the detection electrode, and the detection signal may be changed according to the coupling pulse.

Abstract: A fingerprint recognition sensor according to an exemplary embodiment of the present invention includes: a photo sensor for sensing light that is diffuse-reflected from a finger of a user and incident on the photo sensor, or that is transmitted through the finger and incident on the photo sensor; a first matrix positioned on the photo sensor and including a first opening; a second matrix positioned on the first matrix and including a second opening; and a cover layer including one surface contacting the finger and positioned on the second matrix, wherein, from among light that is diffuse-reflected from the finger and incident on the cover layer or that is transmitted through the finger and incident on the cover layer, light having an angle, formed by a normal line on the one surface of the cover layer and a path of the light incident on the cover layer, that is greater than a critical angle, sequentially passes through the second opening and the first opening and is incident on the photo sensor.

Abstract: A smart card according to an exemplary embodiment of the present invention includes: a transparent substrate including a side contacting a finger of a user; a reflection layer separated from the transparent substrate, facing the transparent substrate, and including a metal material; a photosensor provided between the transparent substrate and the reflection layer, and sensing light reflected and input from the reflection layer; and a card substrate including an opaque material and covering the reflection layer.

Abstract: A fingerprint and image sensor includes a plurality of data lines, a plurality of scan lines, to which a plurality of scan signals is transferred, a plurality of reset scan lines, to which a plurality of reset scan signals is transferred, and a sensor panel, which is reset by a reset voltage, which is synchronized to a corresponding reset scan signal and is transferred, generates a pixel voltage according to light supplied during an exposure period, and includes a plurality of sensor pixels, which is synchronized to a corresponding scan signal and transfers the pixel voltage to a corresponding data line, and the exposure period may be a period from a time point, at which the corresponding reset scan signal is changed to an off-level, to a time point, at which the corresponding scan signal is changed to an on-level.

Abstract: A smart card according to an exemplary embodiment of the present invention includes: a transparent substrate including a side contacting a finger of a user; a reflection layer separated from the transparent substrate, facing the transparent substrate, and including a metal material; a photosensor provided between the transparent substrate and the reflection layer, and sensing light reflected and input from the reflection layer; and a card substrate including an opaque material and covering the reflection layer.