Abstract:
A display device includes first semiconductor pattern including a first channel portion, a first electrode connected to a driving voltage line, and a second electrode connected to a light emitting element, a first insulating, a first conductive layer including a first gate electrode, a second insulating layer, a second conductive layer including an initialization power line, a third insulating layer, an upper semiconductor layer including a second semiconductor pattern including a second channel portion, a third electrode, and a fourth electrode connected to the first gate electrode, and a third semiconductor pattern including a third channel portion, a fifth electrode connected to the third electrode, and a sixth electrode connected to the second electrode, a fourth insulating layer, and a third conductive layer including a scan line and a control signal line, wherein the upper semiconductor layer does not overlap the first gate electrode and the initialization power line.
Abstract:
A thin film transistor according to an exemplary embodiment of the present invention includes an oxide semiconductor. A source electrode and a drain electrode face each other. The source electrode and the drain electrode are positioned at two opposite sides, respectively, of the oxide semiconductor. A low conductive region is positioned between the source electrode or the drain electrode and the oxide semiconductor. An insulating layer is positioned on the oxide semiconductor and the low conductive region. A gate electrode is positioned on the insulating layer. The insulating layer covers the oxide semiconductor and the low conductive region. A carrier concentration of the low conductive region is lower than a carrier concentration of the source electrode or the drain electrode.
Abstract:
A thin film transistor array panel may include a channel layer including an oxide semiconductor and formed in a semiconductor layer, a source electrode formed in the semiconductor layer and connected to the channel layer at a first side, a drain electrode formed in the semiconductor layer and connected to the channel layer at an opposing second side, a pixel electrode formed in the semiconductor layer in a same portion of the semiconductor layer as the drain electrode, an insulating layer disposed on the channel layer, a gate line including a gate electrode disposed on the insulating layer, a passivation layer disposed on the source and drain electrodes, the pixel electrode, and the gate line, and a data line disposed on the passivation layer. A width of the channel layer may be substantially equal to a width of the pixel electrode in a direction parallel to the gate line.
Abstract:
A thin film transistor, a thin film transistor array panel including the same, and a method of manufacturing the same are provided, wherein the thin film transistor includes a channel region including an oxide semiconductor, a source region and a drain region connected to the channel region and facing each other at both sides with respect to the channel region, an insulating layer positioned on the channel region, and a gate electrode positioned on the insulating layer, wherein an edge boundary of the gate electrode and an edge boundary of the channel region are substantially aligned.
Abstract:
A thin film transistor according to an exemplary embodiment of the present invention includes an oxide semiconductor. A source electrode and a drain electrode face each other. The source electrode and the drain electrode are positioned at two opposite sides, respectively, of the oxide semiconductor. A low conductive region is positioned between the source electrode or the drain electrode and the oxide semiconductor. An insulating layer is positioned on the oxide semiconductor and the low conductive region. A gate electrode is positioned on the insulating layer. The insulating layer covers the oxide semiconductor and the low conductive region. A carrier concentration of the low conductive region is lower than a carrier concentration of the source electrode or the drain electrode.
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:
A display device and method of fabricating the same are provided. The display device includes a substrate and a thin-film transistor formed on the substrate. The thin-film transistor includes a lower gate conductive layer disposed on the substrate, and a lower gate insulating film disposed on the lower gate conductive layer The lower gate insulating film includes an upper surface and sidewalls. The thin-film transistor includes an active layer disposed on the upper surface of the lower gate insulating film, the active layer including sidewalls. At least one of the sidewalls of the lower gate insulating film and at least one of the sidewalls of the active layer are aligned with each other.
Abstract:
An organic light emitting diode display according to an exemplary embodiment includes: a substrate; a first buffer layer on the substrate; a first semiconductor layer on the first buffer layer; a first gate insulating layer on the first semiconductor layer; a first gate electrode and a blocking layer on the first gate insulating layer; a second buffer layer on the first gate electrode; a second semiconductor layer on the second buffer layer; a second gate insulating layer on the second semiconductor layer; and a second gate electrode on the second gate insulating layer.
Abstract:
An ultrasonic sensing device includes: a sensing layer between a driving electrode and a sensing electrode, a double-gated first transistor connected to a selection line and the sensing electrode, and may further include a sensed voltage storing capacitor having an electrode on the same layers as the first transistor. The configuration as a double gated transistor of a pixel sensor and the placement of one of the capacitor electrodes on the same layer can each reduce the size of the pixel sensor. The ultrasonic sensing device may be utilized as a proximity sensor or a fingerprint recognition sensor.
Abstract:
A thin film transistor according to an exemplary embodiment of the present invention includes an oxide semiconductor. A source electrode and a drain electrode face each other. The source electrode and the drain electrode are positioned at two opposite sides, respectively, of the oxide semiconductor. A low conductive region is positioned between the source electrode or the drain electrode and the oxide semiconductor. An insulating layer is positioned on the oxide semiconductor and the low conductive region. A gate electrode is positioned on the insulating layer. The insulating layer covers the oxide semiconductor and the low conductive region. A carrier concentration of the low conductive region is lower than a carrier concentration of the source electrode or the drain electrode.