摘要:
A flat panel display including a semiconductor circuit, and a method of manufacturing the semiconductor circuit are disclosed. In one embodiment, the semiconductor circuit includes i) a substrate, ii) a semiconductor layer and a first capacitor electrode formed on the substrate, the first capacitor electrode being doped to be conductive, iii) an insulating layer covering the semiconductor layer and the first capacitor electrode, iv) a gate electrode disposed on the insulating layer and corresponding to a portion of the semiconductor layer, and v) a second capacitor electrode disposed on the insulating layer and corresponding to the first capacitor electrode, wherein the gate electrode is thicker than the second capacitor electrode.
摘要:
A semiconductor memory device includes a cell array internal voltage generating circuit for generating cell array reference voltage and a cell array internal voltage from a first external power voltage, a peripheral circuit internal voltage generating circuit for generating a peripheral circuit reference voltage and a peripheral circuit internal voltage from the first external power voltage, and a voltage boosting circuit power voltage generating circuit for generating a voltage boosting circuit reference voltage and a voltage boosting circuit power voltage from a second external power voltage.
摘要:
A temperature detecting circuit is provided. The temperature detecting circuit includes a reference and detection voltage generator for generating a reference voltage corresponding to a first and a second reference current, and changing first to M-th (M being a natural number) detection currents based on first to M-th temperature detection codes to generate first to M-th detection voltages corresponding to the changed first to M-th detection currents and the second reference current; a temperature detection signal generator for comparing each of the first to M-th detection voltages with the reference voltage to generate first to M-th temperature detection signals; and a temperature detection controller for detecting an operation temperature of a semiconductor device while changing the first to M-th temperature detection codes in response to the first to M-th temperature detection signals from the temperature detection signal generator.
摘要:
An integrated circuit memory device includes a refresh control circuit that generates an internal memory refresh command signal having a period that is changed relative to a period of an external memory refresh command signal received by the memory device. This change in the period of the internal memory refresh command may be in response to detecting a change in temperature of the memory device. In particular, the refresh control circuit is configured so that the period of the internal memory refresh command signal is increased in response to detecting a reduction in temperature of the memory device.
摘要:
A dynamic random access memory (DRAM) device, including a DRAM core having memory cells for storing data information, and a read protection unit, prevents data stored in the memory cells before power-off, from being read out at power-on.
摘要:
An organic light emitting diode display device (OLED display device) having uniform electrical characteristics and a method of manufacturing the same. The OLED display device includes: a substrate; a semiconductor layer disposed on the substrate, and including source and drain regions and a channel region formed using metal induced lateral crystallization (MILC); a gate insulating layer for electrically insulating the semiconductor layer; a gate electrode disposed on the gate insulating layer; an interlayer insulating layer for electrically insulating the gate electrode; a thin film transistor (TFT) including source and drain electrodes that are electrically connected to the source and drain regions of the semiconductor layer; a first electrode for a capacitor disposed on a region of the substrate to be spaced apart from the TFT and formed using a metal induced crystallization (MIC); the gate insulating layer for electrically insulating the first capacitor electrode; a second electrode for the capacitor disposed on the gate insulating layer; a planarization layer disposed on the TFT and the capacitor; a first electrode disposed on the planarization layer; a pixel defining layer disposed on the first electrode; an organic layer disposed on the first electrode and the pixel defining layer, and including at least an emission layer; and a second electrode disposed on the organic layer.
摘要:
A semiconductor memory includes a memory cell array, a sense amplifier, an isolation device interposed between the sense amplifier and a bit line of the memory cell array, and circuitry for transferring a charge contained in a memory cell of memory cell array to the bit line while the isolation device electrically isolates the bit line from the sense amplifier, and, after the charge is transferred to the bit line, for causing the isolation device to electrically connect the bit line to the sense amplifier.
摘要:
A semiconductor memory device may include a memory cell array, a bit line sense amplifier, a sub word line driver, and an electrode. The memory cell array may include a sub memory cell array connected between sub word lines and bit line pairs and having memory cells which are selected in response to a signal transmitted to the sub word lines and column selecting signal lines. The bit line sense amplifier may be configures to sense and amplify data of the bit line pairs. The sub word line driver may be configured to combine signals transmitted from word selecting signal lines and signals transmitted from main word lines to select the sub word lines. Moreover, the memory cell array may be configured to transmit data between the bit line pairs and local data line pairs and to transmit data between the local data line pairs and global data line pairs. The electrode may be configured to cover the whole memory cell array and to apply a voltage needed for the memory cells. The local data line pairs may be arranged on a first layer above the electrode in the same direction as the sub word line. The column selecting signal lines and the global data line pairs may be arranged on a second layer above the electrode in the same direction as the bit line. The word selecting signal lines and the main word lines may be arranged on a third layer above the electrode in the same direction as the sub word line. Related methods of signal line arrangement are also discussed.
摘要:
A semiconductor memory device includes spaced apart twisted bit line pairs, a respective one of which includes a spaced apart twisted area. A conductive line overlaps the respective twisted areas of the spaced apart twisted line pairs. The conductive line can extend parallel to the memory device word lines, and can provide a power supply ground and/or signal line.
摘要:
An internal reference voltage generating circuit that reduces a standby current and the number of pins of a semiconductor memory device, in which a reference voltage is provided to an input buffer that receives a signal through an input to which an on die transmitor resistor is connected, includes, a voltage dividing circuit outputting the reference voltage by a power voltage; a pull down driver connected to an end of the voltage dividing circuit; and a calibration control circuit comparing a voltage level of the input and a voltage level of an end of the voltage dividing circuits and controlling the on resistor value of the pull down driver according to a result of the comparison. The internal reference voltage generating circuit is operated white the memory controller inputs a signal into a mode register set (MRS) to enable the internal reference voltage generating circuit and the output signal of the MRS is activated.