Abstract: A system on chip (SoC) and a correction method of termination impedance element thereof are provided. The SoC includes a pad, a first termination impedance element, and a correction circuit. The pad is coupled to an external dynamic random access memory (DRAM) chip, where the DRAM chip includes a corrected termination impedance element. The first termination impedance element is coupled to the pad. The correction circuit is coupled to a control terminal of the first termination impedance element, to control an impedance value of the first termination impedance element. During an initialization period, the correction circuit corrects the impedance value of the first termination impedance element by using the impedance value of the corrected termination impedance element.

Abstract: A method for implementing a CMOS input buffer that consumes very low current even when input levels are less than full swing. An additional optional stage enables conversion to very low voltage swing. The circuit can be manufactured with a standard CMOS processing technology and with high immunity to variation of process parameters. The circuit provides some hysteresis response, enhancing the input voltage margin.

Abstract: There are provided an adapter and a method for use with a luminaire. For example, there is provided an adapter for use with a lighting controller of a luminaire. The adapter includes a calibration and maintenance port connected to a metering circuit disposed in the lighting controller. Furthermore, the adapter includes an interface connected to: the lighting controller, at least one lead of a lighting controller receptacle of the luminaire, and to at least one port of a computing device.

Abstract: A real-time lighting control system of an ecosystem and real-time lighting control method includes a computer device, multiple lighting devices and multiple wireless base stations. The lighting devices and the wireless base stations are arranged in multiple lighting regions of an indoor space. Each wireless base station emits a wireless signal continuously, and controls one or more connected lighting devices when receiving a lighting control signal. The computer device senses the wireless signals continuously, and keeps determining its position at the different time points according to the received wireless signals and the arranged positions of the wireless base stations. Next, the computer selects one of the lighting regions according to space information and the determined positions, and sends the lighting control signal to one of the wireless base stations arranged in the selected lighting region.

Abstract: An LED lamp is powered by an external current regulated (constant current) power supply. The LED lamp provides a signal to the power supply to adjust the output current of the power supply to achieve and maintain a desired light output level. The signal is adjusted as the temperature of the LED lamp changes in order to ensure consistent light output of the LED lamp as the LED lamp changes temperature during operation.

Abstract: An article and circuit that controllably dims a luminaire, for example without controlling a line power of the luminaire. The luminaire includes a traditional three-contact socket to receive a photocontroller, such as that used for street lights. The article uses a desired dimming control signal to provide an output control signal that controls whether the light source in the luminaire is turned ON or turned OFF to thereby effect the desired amount of dimming. The output control signal may be a pulse width modulated (PWM) signal with a duty cycle that is related to the desired level of illumination or dimming. The system may use a dimming signal from a five or seven contact dimming photocontroller to provide such an output control signal to control the light-level for the luminaire.

Abstract: For controlling a level of luminance produced by a color light-emitting diode (LED) array, a method includes: for a predetermined flux bit-slice period, activating a color enable signal to select a primary color LED and to select a predetermined light flux magnitude set-point; selectively charging an energy storage device and discharging the energy storage device through the selected primary color LED to generate a light flux output during the flux bit-slice period; adjusting a rate of selectively charging the energy storage device to maintain a magnitude of the light flux output at the predetermined light flux magnitude set-point during the flux bit-slice period; and adjusting the predetermined light flux magnitude set-point over the life of the selected LED as the selected LED ages as a function of an anode-to-cathode voltage drop across the selected LED for a given magnitude of current flowing through the selected LED.

Abstract: The present invention discloses a backlight, a regulation method thereof, a regulation device and a display device. The backlight comprises a driving unit, a register, a PWM unit and a light-emitting unit, the PWM unit is connected between the driving unit and the light-emitting unit, and the register is connected to the PWM unit. The driving unit is used for converting a voltage signal to a primary driving signal; the register is used for defining a preset threshold value, which is the maximum value of duty ratio of a signal that the PWM unit outputs when performing a PWM process; the PWM unit is used for regulating duty ratio of the primary driving signal according to the preset threshold value and generating a regulated driving signal; and the light-emitting unit is used for emitting light when being driven by the regulated driving signal.

Abstract: An illumination system and an illumination method thereof are provided. An environmental condition of a position of an illumination apparatus is detected, so as to produce an environmental information. A corresponding illumination result prediction model is selected according to a first environmental information. An illumination character of an illumination light is adjusted according to the illumination result prediction model and the first environmental information.

Abstract: An LED controller includes: a light intensity calculator to calculate light intensity values that correspond to points on a desired light output curve; and processing logic configured to: initialize a scaling parameter of the light intensity calculator with a present scaling value that indicates a first number of steps, dynamically receive a subsequent scaling value that indicates a second number of steps at a change time after the light intensity calculator has begun calculation of the light intensity values according to the present scaling value, and change the scaling parameter of the light intensity calculator to the subsequent scaling value before the light intensity calculator has completed calculation of the light intensity values, wherein a difference between a next light intensity value calculated immediately after the change time and a previous light intensity value calculated immediately before the change time is within a flicker threshold.

Abstract: Alighting system may include: at least one controller which may be configured to: obtain lighting logging data including feature information related to features of the lighting system and obtained from a plurality of feature spaces; determine lighting prediction data which predicts at least one component failure in the lighting system at a future time in accordance with the lighting logging data and include at least one complex feature; model predicted component failures which are predicted to occur at a future time in accordance with the lighting prediction data and maintenance cost; and/or store the predicted component failures model in a memory.

Abstract: Systems and methods of the disclosed subject matter provide to detect the signature of a light source through either electrical signature on a circuit or external light signatures output by the light source, and a switch can change modes and features to match the capabilities of the connected light source. Embodiments of the disclosed subject matter provide a light source, a sensor to determine a type of the light source, and a switch, including a processor, to determine a set of operations according to the determined type of light source, and to control the light source to perform a selected operation from the determined set of operations.

Abstract: The present disclosure provides a control device for solid state lighting fixtures. The control device is programmable and is configured to adjust the intensity of light emitted by solid state lighting fixtures. The control device includes a housing assembly and a programmable controller.

Abstract: The present invention provides a wall-mounted display apparatus and a control method thereof, the h devices are provided in edge areas of a back surface opposite to a light emitting surface of the display apparatus, and/or the plurality of light emitting devices are provided on edge side surfaces perpendicular to the light emitting surface of the display apparatus and are configured to emit light towards the rear of the display apparatus. The control method comprises controlling a plurality of light emitting devices to emit light upon the display apparatus is in operation. The wall-mounted display apparatus and control method thereof according to exemplary embodiments of the invention are capable of effectively eliminating or attenuating shadow areas around a display apparatus, thereby avoiding influence on watching effect of the user.

Abstract: Flash light-generating methods and systems are provided, which, in one aspect, include: obtaining one or more measurements of existing light on or around an illumination target; ascertaining a desired color attribute(s) for a combined light to be provided on the illumination target, the combined light including the existing light and a flash light to be generated; determining a flash light spectral power distribution of illumination which achieves a combined light spectral power distribution of illumination on the illumination target having the desired color attribute(s), the determining using, in part, the measurement(s) of existing light, and the desired color attribute(s) for the combined light; and generating the flash light with the determined flash light spectral power distribution of illumination to provide the combined light on the illumination target having the combined light spectral power distribution of illumination with the desired color attribute(s).

Abstract: A 3D semiconductor device including: a first layer including a first monocrystalline layer, the first layer including first logic cells; a second layer including a monocrystalline semiconductor layer, the second layer overlying the first layer, the second layer including second transistors, where the logic cells include a Look-Up-Table logic cell, and where the second transistors are aligned to the first logic cells with less than 200 nm alignment error.

Abstract: A processing element for an advanced processing apparatus. The processing element comprises a silicon-insulator interface and a confining arrangement for confining one or more quantum dots in the semiconductor. The processing element has also a control arrangement for controlling a quantum property of the one or more quantum dots and operate the one or more quantum dots as a qubit to perform quantum processing.

Abstract: A load control device for controlling the amount of power delivered to an electrical load is able to operate in a normal mode and a burst mode. The load control device may comprise a control circuit that activates an inverter circuit during active state periods and deactivates the inverter circuit during inactive state periods. The control circuit may operate in the normal mode to regulate an average magnitude of a load current conducted through the electrical load to be above a minimum rated current. The control circuit may operate in the burst mode to adjust the average magnitude of the load current to be below the minimum rated current. The control circuit may adjust the average magnitude of the load current by adjusting the length of the inactive state periods while holding the length of the active state periods constant.

Abstract: Systems and methods of the disclosed subject matter provide a first light source, a second light source, and a controller communicatively coupled to the first light source and the second light source, the controller to control a first operation of the first light source according to an input received by the controller for at first period of time, and to control a second operation of the second light source when the input received by the controller is for a second period of time that is greater than the first period of time.

Abstract: A programmable semiconductor device includes a user programmable switch comprising a configurable element positioned above a transistor material layer deposited on a substrate layer.