Abstract: A memory device includes a memory cell array. The memory cell array includes first-tier word lines extending in a first direction, second-tier word lines disposed below the first-tier word lines and extending in a second direction angularly offset from the first direction, and bit lines extending in a third direction angularly offset from the first and second directions. The bit lines are arranged between a pair of the first-tier word lines and between a pair of the second-tier word lines.

Abstract: A power converter that properly copes with the wiring defects on a feedback path is shown. According to a control signal, a power driver couples an input voltage to an energy storage element to provide an output voltage that is down-converted from the input voltage. The output voltage is further converted into a feedback voltage by a feedback circuit, and is entered to an error amplifier with a reference voltage for generation of an amplified error. A control signal generator generates the control signal of the power driver according to the amplified error. The power converter specifically has a comparator, which is enabled in a soft-start stage till the output voltage reaches a stable status. The comparator compares the amplified error with a critical value. When the amplified error exceeds the critical value, the input voltage is disconnected from the energy storage element.

Abstract: A display may include an array of pixels such as light-emitting diode pixels. The pixels may include multiple circuitry decks that each include one or more circuit components such as transistors, capacitors, and/or resistors. The circuitry decks may be vertically stacked. Each circuitry deck may include a planarization layer formed from a siloxane material that conforms to underlying components and provides a planar upper surface. In this way, circuitry components may be vertically stacked to mitigate the size of each pixel footprint. The circuitry components may include capacitors that include both a high-k dielectric layer and a low-k dielectric layer. The display pixel may include a via with a width of less than 1 micron.

Abstract: A memory device includes a first electrode, a selector layer and a plurality of first work function layers. The first work function layers are disposed between the first electrode and the selector layer, and a work function of the first work function layer increases as the first work function layer becomes closer to the selector layer.

Abstract: A method for preparing a long-chain branched polypropylene includes subjecting a T-reagent to a polymerization reaction with propylene in the presence of a catalyst composition. The catalyst composition includes an alkylaluminoxane and a metallocene-based catalyst. The metallocene-based catalyst contains a metal selected from the group consisting of titanium (Ti), zirconium (Zr), and hafnium (Hf). The T-reagent having an alkenyl silyl functional group is selected from the group consisting of 1,2-bis[dimethyl(vinyl)silyl]ethane, dimethyldivinylsilane, 7-octenyldimethyl(vinyl)silane, 7-octenyldimethyl(allyl)silane, 4-(but-3-enyl)phenyldimethyl(vinyl)silane, 4-(but-3-enyl)phenyldimethyl(allyl)silane, and combinations thereof.

Abstract: A memory device includes a memory cell array. The memory cell array includes first-tier word lines extending in a first direction, second-tier word lines disposed below the first-tier word lines and extending in a second direction angularly offset from the first direction, and bit lines extending in a third direction angularly offset from the first and second directions. The bit lines are arranged between a pair of the first-tier word lines and between a pair of the second-tier word lines.

Abstract: The present invention relates to a cyber security authentication method. The method includes the following steps: in a user device: randomly generating an ephemeral decryption key, transmitting the ephemeral decryption key to a security server, and retrieving a key index from the security server; encrypting an identity information based on a part of the ephemeral decryption key to generate an electronic digital signature and an authentication token; and combining the key index, the electronic digital signature, and the authentication token to form an ephemeral certificate and transmitting the ephemeral certificate to a non-Internet electronic device; and in the non-Internet electronic device: parsing the ephemeral certificate to obtain the key index; and forwarding the key index to the security server via a transport connection including the user device to retrieve the ephemeral decryption key from the security server based on the key index.

Abstract: A switching converter having pulse skipping mode includes a power stage circuit, a feedback control circuit, an operating signal generator circuit and a pulse skipping circuit. The feedback control circuit generates an initial pulse width modulation (PWM) signal according the output power. The operating signal generator circuit masks a part of pulses of a clock signal according to a pulse width of a pulse skipping signal, so as to generate an adjusted PWM signal. The pulse skipping circuit adaptively generates a duty ratio signal according to an input voltage and an output voltage, so as to generate the pulse skipping reference signal related to a duty ratio of the initial PWM signal. The pulse skipping circuit compares an amplification signal with the pulse skipping reference signal to generate the pulse skipping signal. The power stage circuit converts the input power to the output power according to the adjusted PWM signal.

Abstract: A power converter that properly copes with the wiring defects on a feedback path is shown. According to a control signal, a power driver couples an input voltage to an energy storage element to provide an output voltage that is down-converted from the input voltage. The output voltage is further converted into a feedback voltage by a feedback circuit, and is entered to an error amplifier with a reference voltage for generation of an amplified error. A control signal generator generates the control signal of the power driver according to the amplified error. The power converter specifically has a comparator, which is enabled in a soft-start stage till the output voltage reaches a stable status. The comparator compares the amplified error with a critical value. When the amplified error exceeds the critical value, the input voltage is disconnected from the energy storage element.

Abstract: A spread spectrum switching converter converts an input power to an output power. The spread spectrum switching converter includes a pulse width modulation (PWM) circuit and a pulse omission control circuit. The PWM circuit generate an initial PWM signal according to a feedback signal related to the output power. The initial PWM signal controls at least one switch to switch an inductor to generate the output power. The pulse omission control circuit generates a pulse omission control signal to mask a portion of pulses of the initial PWM signal, to thereby generate an adjusted PWM signal. The pulse omission control circuit randomly adjusts the pulse width of the pulse omission control signal according to a random control signal, such that the adjusted PWM signal has a spread spectrum characteristic.

Abstract: A switched-mode power supply with near valley switching includes a quasi-resonant converter. The converter includes a switch element that is turned on not only at the valley, but also in a window range of ?tNVW close to the valley, where the voltage across the switch element is at its minimum. This advantageously reduces switching loss and maintains a balance between efficiency and frequency variation.

Abstract: A switched-mode power supply with near valley switching includes a quasi-resonant converter. The converter includes a switch element that is turned on not only at the valley, but also in a window range of ?tNVW close to the valley, where the voltage across the switch element is at its minimum. This advantageously reduces switching loss and maintains a balance between efficiency and frequency variation.

Abstract: A switched-mode power supply with near valley switching includes a quasi-resonant converter. The converter includes a switch element that is turned on not only at the valley, but also in a window range of ?tNVW close to the valley, where the voltage across the switch element is at its minimum. This advantageously reduces switching loss and maintains a balance between efficiency and frequency variation.

Abstract: A pollution detection circuit and a pollution detection method for data lines are provided. The pollution detection circuit and the method detect an impedance of at least one data terminal for detecting the pollution occurring at the data terminal or the data lines. The pollution occurring at the data terminal or the data lines is confirmed when the impedance is low.

Abstract: A control circuit of a power supply is provided. The control circuit includes a circuit and a PWM circuit. The circuit generates a limit signal in response to an output voltage of the power supply for limiting a switching current of a transformer of the power supply. The PWM circuit generates a switching signal in response to a feedback signal and the limit signal for switching the transformer and regulating the output voltage of the power supply. A level of the feedback signal is related to a level of the output voltage of the power supply. The output voltage of the power supply is programmable.

Abstract: The present invention proposes a method for controlling an adaptive power converter. The method comprises: generating an output-sense signal by sampling a reflected voltage of a transformer; receiving a feedback signal related to an output power of the adaptive power converter; generating a clock signal in response to the feedback signal and the output-sense signal; generating a switching signal for switching the transformer and regulating an output voltage of the adaptive power converter. The reflected voltage is correlated to the output voltage of the adaptive power converter. The switching signal is generated in response to the feedback signal. The frequency of the switching signal is determined by the clock signal. The frequency of the switching signal is decreased in response to a decrement of the feedback signal.

Abstract: A switched-mode power supply with near valley switching includes a quasi-resonant converter. The converter includes a switch element that is turned on not only at the valley, but also in a window range of ?tNVW close to the valley, where the voltage across the switch element is at its minimum. This advantageously reduces switching loss and maintains a balance between efficiency and frequency variation.

Abstract: A pollution detection circuit and a pollution detection method for data lines are provided. The pollution detection circuit and the method detect an impedance of at least one data terminal for detecting the pollution occurring at the data terminal or the data lines. The pollution occurring at the data terminal or the data lines is confirmed when the impedance is low.

Abstract: An adaptive sampling circuit of the power converter according to the present invention comprises a sample-and-hold unit and a signal-generation circuit. The sample-and-hold unit is coupled to a transformer to generate a feedback signal by sampling a demagnetized voltage of the transformer in response to a sample signal. The signal-generation circuit generates the sample signal in response to a magnetized voltage of the transformer, the demagnetized voltage of the transformer, a switching signal and a code. The sample signal is used for sampling the demagnetized voltage. The feedback signal is correlated to an output voltage of the power converter. The switching signal is generated in response to the feedback signal for switching the transformer and regulating the output of the power converter. The adaptive sampling circuit is used to precisely measure the demagnetized voltage of the transformer without the limitation of the transformer design.

Abstract: A control circuit of a power converter is provided. It comprises a voltage detection circuit detecting a reflected signal for generating a voltage-loop signal. A current detection circuit detects a current of a transformer for generating a current-loop signal. An oscillator generates an oscillation signal in accordance with an output load of the power converter. A PWM circuit generates a switching signal according to the voltage-loop signal, the current-loop signal and the oscillation signal for regulating an output of the power converter. A load detection circuit receives a detection signal through an signal-transfer device for increasing a switching frequency of the switching signal. The detection signal is generated once the output is lower than a low-voltage threshold. The oscillation signal determines the switching frequency of the switching signal. The control circuit reduces the voltage drop of the output when the output load is changed.