摘要:
Light-sensing apparatuses may include a light sensor transistor and a switching transistor in a light-sensing pixel, the transistors being oxide semiconductor transistors. In the light-sensing apparatus, the light sensor transistor and the switching transistor in the light-sensing pixel may be adjacently formed on one substrate, the switching transistor including a channel material that is relatively less light-sensitive than the light sensor transistor and is stable, and the light sensor transistor includes a channel material that is relatively light-sensitive. The light sensor transistor may include a transparent upper electrode on a surface of a channel, and a negative voltage may be applied to the transparent upper electrode, whereby a threshold voltage shift in a negative voltage direction may be prevented or reduced.
摘要:
According to an example embodiment, a light-sensing apparatus may include an array of light-sensing pixels, a first gate driver, and a signal output unit. Each of the light-sensing pixels may include a light sensor transistor configured to sense light, a switch transistor configured to output a light-sensing signal from the light sensor transistor, and a conductive light-shielding film on a light-incident surface of the switch transistor. The light sensor transistor and the switch transistor may have the same oxide semiconductor transistor structure. The first gate driver may be configured to provide a gate voltage and a negative bias voltage to each of the light-sensing pixels. The signal output unit may be configured to receive the light-sensing signal from each of the light-sensing pixels and output a data signal.
摘要:
A thin film transistor is provided. The transistor includes a gate; a first passivation layer covering the gate; a channel layer disposed on the first passivation layer; a source and a drain that are disposed on the first passivation layer and contact two sides of the channel layer; a second passivation layer covering the channel layer, the source, and the drain; first and second transparent electrode layers that are disposed on the second passivation layer and spaced apart from each other; a first transparent conductive via that penetrates the second passivation layer and connects the source and the first transparent electrode layer; and a second transparent conductive via that penetrates the second passivation layer and connects the drain and the second transparent electrode layer. A cross-sectional area of the gate is larger than a cross-sectional area of the channel layer, the source, and the drain combined.
摘要:
A transistor may include an active layer having a plurality of oxide semiconductor layers and an insulating layer disposed therebetween. The insulating layer may include a material that has higher etch selectivity with respect to at least one of the plurality of oxide semiconductor layers. The electronic device may include a first transistor and a second transistor connected to the first transistor. The second transistor may include an active layer having a different structure from that of the active layer included in the first transistor. The active layer of the second transistor may have the same structure as one of the plurality of oxide semiconductor layers constituting the active layer of the first transistor.
摘要:
According to an example embodiment, a method of operating a semiconductor device having a variable resistance device includes: applying a first voltage to the variable resistance device to change a resistance value of the variable resistance device from a first resistance value to a second resistance value that is different from the first resistance value; sensing a first current flowing through the variable resistance device to which the first voltage is applied; determining a second voltage used for changing the variable resistance device from the second resistance value to the first resistance value, based on a dispersion of the sensed first current; and applying the determined second voltage to the variable resistance device.
摘要:
Resistive random access memory (RRAM) devices, and methods of manufacturing the same, include a RRAM device having a switching device, and a storage node connected to the switching device, wherein the storage node includes a first electrode, a metal oxide layer, and a second electrode sequentially stacked. The metal oxide layer contains a semiconductor material element affecting resistance of the storage node.
摘要:
Provided is a zinc (Zn) oxide-based thin film transistor that may include a gate, a gate insulating layer on the gate, a channel including zinc oxide and may be on a portion of the gate insulating layer, and a source and drain contacting respective sides of the channel. The zinc (Zn) oxide-based thin film transistor may further include a recession in the channel between the source and the drain, and a zinc oxide-based etchant may be used to form the recession.
摘要:
A detector includes a substrate; two first regions, each first region having a linear shape, and the two first regions being separated from each other on the substrate and arranged in parallel; and a pixel region provided between the two first regions and including a plurality of pixels, the pixel region including a plurality of second regions perpendicular to the two first regions, each of the two first regions including a peripheral circuit portion, each of the plurality of second regions including a driver line, and a width of each of the plurality of second regions being equal to or less than a width of a single pixel.
摘要:
A method of operating a semiconductor device that includes a variable resistance device, the method including applying a first voltage to the variable resistance device so as to change a resistance value of the variable resistance device from a first resistance value to a second resistance value that is different from the first resistance value; sensing first current flowing through the variable resistance device to which the first voltage is applied; determining whether the first current falls within a predetermined range of current; and if the first current does not fall within the first range of current, applying an additional first voltage that is equal to the first voltage to the variable resistance device.
摘要:
According to example embodiments, an image sensor includes a charge sensing amplifier configured to amplify charges sensed by a sensing unit. The charge sensing amplifier includes an input terminal, an amplification terminal, an output terminal, a first capacitor connected between the input terminal and the amplification terminal, a first switch connected between the input terminal and the amplification terminal, a second capacitor connected between the amplification terminal and the output terminal, and a second switch connected between the output terminal and a reference voltage terminal.