Systems and methods for applying light to an environment are provided. A system may include a plurality of light emitting diode (LED) arrays. Each LED array may include one or more LEDs that are configured to be powered on and off together. The system may be configured such that, during a first timeslot, a pulsed power input is applied to a first LED array, and during a second timeslot, the pulsed power input is applied to the second LED array.

Systems and methods for applying light to an environment are provided. A system may include an elongate first body having a first side wall, a second side wall opposite the first side wall, and a bottom wall. The first body may define a lengthwise channel between the first side wall and the second side wall. The first body may have a first groove disposed along an inner surface of the first side wall, a second groove disposed along an inner surface of the second side wall, and a cover which may be coupled to the first body via the first groove and the second groove. The first body and the cover may collectively enclose at least a portion of the channel. The system may include an LED disposed within the channel.

Systems and methods for applying light to an environment are provided. A system may include a plurality of light emitting diode (LED) arrays. Each LED array may include one or more LEDs that are configured to be powered on and off together. The system may be configured such that, during a first timeslot, a pulsed power input is applied to a first LED array, and during a second timeslot, the pulsed power input is applied to the second LED array.

Systems and methods for applying light to an environment are provided. A system may include a plurality of light emitting diode (LED) arrays. Each LED array may include one or more LEDs that are configured to be powered on and off together. The system may be configured such that, during a first timeslot, a pulsed power input is applied to a first LED array, and during a second timeslot, the pulsed power input is applied to the second LED array.

Provided is a display apparatus including a modular display panel that includes a plurality of displays disposed in a matrix form and respectively including a display panel including a pixel array in which pixels including a plurality of inorganic light emitting elements are disposed in a plurality of row lines, sub-pixel circuits respectively corresponding to inorganic light emitting elements of the pixel array, a driver configured to drive the sub-pixel circuits, a sensor configured to sense a current flowing in a driving transistor included in the sub-pixel circuits and output sensing data corresponding to the sensed current, and a processor configured to correct the image data voltage applied to the sub-pixel circuits based on the sensing data, and a timing controller configured to provide a first start signal to a driver of a first display and a second start signal to a driver of a second display.

A display apparatus, including a display panel which includes a pixel array including a plurality of pixels arranged in a plurality of row lines, and a plurality of sub-pixel circuits, wherein each pixel of the plurality of pixels includes a plurality of inorganic light emitting elements, and wherein each sub-pixel circuit of the plurality of sub-pixel circuits corresponds to an inorganic light emitting element of the plurality of light emitting elements; and a driver configured to drive the plurality of sub-pixel circuits so that the plurality of inorganic light emitting elements emit light a plurality of times in an order of the plurality of row lines based on an image data voltage corresponding to one image frame, wherein the each sub-pixel circuit includes a discharge transistor configured to remove a potential difference between both ends of a corresponding inorganic light emitting element based on a predetermined cycle.

A circuit for driving a light-emitting diode (LED) load and a direct current to direct current (DC-DC) converter includes a first sampling sub-circuit, a driving circuit. The first sampling sub-circuit is configured to generate a current signal representing a load current of the LED load. The driving circuit is configured to receive a brightness adjustment signal and a frequency adjustment signal; generate a first control signal, based on the current signal and the brightness adjustment signal, for controlling an output current of the DC-DC converter; and generate a second control signal, based on the frequency adjustment signal, for controlling a switching frequency of the LED load.

Provided is a camera using a light source having a subject eye protection function. The camera includes a light source driver installed between a power supply and a light source for emitting light to a subject and configured to convert electric power supplied by the power supply to a pulse current, a light source driver controller configured to control the light source driver to be turned on or off such that the light source driver converts the electric power supplied by the power supply to the pulse current, a current measurement unit configured to measure the pulse current supplied to the light source, an amplitude controller configured to control an amplitude of the pulse current measured by the current measurement unit, a smoothing circuit configured to smooth the pulse current of which the amplitude is controlled by the amplitude controller, and a comparator controller configured to control the electric power supplied by the power supply to be interrupted in a case in which the smooth current smoothed by the smoothing circuit is greater than a preset threshold value.

A light-emitting diode LED driver and a LED driving device including the LED driver are provided. The light-emitting diode LED driver includes a decoding circuit that receives a data signal and decodes the data signal to generate display data used to drive LEDs to emit light and display and a recovered clock signal. Further provided is an encoding circuit that encodes the decoded display data by using the recovered clock signal to generate an encoded data signal, where the data signal is encoded in a first encoding format, and the encoded data signal is encoded in a second encoding format.

A light-emitting diode LED driver and a LED driving device including the LED driver are provided. The light-emitting diode LED driver includes a decoding circuit that receives a data signal and decodes the data signal to generate display data used to drive LEDs to emit light and display and a recovered clock signal. Further provided is an encoding circuit that encodes the decoded display data by using the recovered clock signal to generate an encoded data signal, where the data signal is encoded in a first encoding format, and the encoded data signal is encoded in a second encoding format.