Abstract: Proposed is a detachable mooring system for an offshore structure, including a first tension adjuster connected to an offshore structure, and blocking a pulling chain from proceeding from an outlet of a body toward an inlet, a second tension adjuster connected to one end of the pulling chain and blocking the pulling chain from proceeding from an outlet of a body toward an inlet, a mooring chain having a first longitudinal end connected to one surface of the second tension adjuster body and having a second longitudinal end connected to an anchor on the seabed, a first lead rope having one longitudinal end connected to one end of the pulling chain discharged out through the first tension adjuster outlet, and a second lead rope having one longitudinal end connected to the second tension adjuster body.

Abstract: The present embodiment relates to a communication protocol between an MCU and an LED driving circuit for LED driving. The MCU may define and use an SPI protocol including ID setting, a command, configuration data, etc.

Abstract: The present disclosure provides a current mirror circuit including a first transistor configured to be supplied with a data current from a data driving circuit; a second transistor configured to drive a light emitting diode by mirroring the data current transferred to the first transistor; a capacitor disposed between the first transistor and the second transistor and configured to store a voltage of a gate terminal of the second transistor therein; and a first switch disposed between the first transistor and the second transistor and configured to adjust an input current of the gate terminal of the second transistor.

Abstract: A current supply circuit according to the present disclosure may include a voltage/current converter configured to convert, into a data current, a data voltage received from a data driving circuit and a first current mirror circuit configured to mirror the data current so that a light-emitting diode (LED) current flows into an LED array. The data current may be adjusted based on a greyscale value of the LED array.

Abstract: an LED driving circuit for controlling the voltage of an LED backlight system, and to a technology for controlling the driving voltage of an LED string formed at one end of the LED string through a digital counter by monitoring the output voltage of the LED string.

Abstract: The present disclosure provides a technology for precisely controlling an LED driving current using fine current trimming data stored in a memory when driving an LED.

Abstract: An LED driving circuit adjusts a PWM driving frequency in light emitting diode driving, and changes a PWM frequency of an LED driving circuit in response to a frequency of a PWM clock signal delivered externally or internally.

Abstract: The present disclosure relates to an LED driving technology. According to the present disclosure, it is possible to increase the fineness of the gray scale without increasing a frequency of a clock by combining a plurality of driving current sources to generate a driving current supplied to one driving line.

Abstract: The present embodiment relates to a communication protocol between an MCU and an LED driving circuit for LED driving. The MCU may define and use an SPI protocol including ID setting, a command, configuration data, etc.

Abstract: The present embodiment relates to a technology for facilitating an increase of the number of LEDs to be driven by communication of a clock signal between chips forming a daisy chain when driving LEDs. The communication of a clock signal as well as data between chips allows improve the synchronization between the clock signal and data.

Abstract: A system for controlling backlight unit capable of reducing a time difference between an image displayed on a display panel and local dimming of the backlight unit, includes a plurality of dimming control devices configured to receive an input data packet including dimming data, and control local dimming of a light source, which is included in a region assigned in advance in a backlight unit, using the dimming data, a plurality of gate lines configured to electrically connect a predetermined number of dimming control devices and configured to be sequentially driven according to a row driving method, and a micro controller unit configured to generate a gate control signal for driving the plurality of gate lines and the input data packet.

Abstract: A hybrid dimming control device, which prevents image quality degradation during local dimming of a backlight unit, includes an analysis circuit configured to determine a type of dimming data for controlling the local dimming of a light source included in a backlight unit by analyzing the dimming data, a pulse width modulation (PWM) dimming control circuit configured to control the local dimming of the light source by a PWM method when the type of the dimming data is a first type, and an active dimming control circuit configured to convert some bits of the dimming data into an analog signal and control the local dimming of the light source using the analog signal when the type of the dimming data is a second type.

Abstract: A current supply circuit according to the present disclosure may include a voltage/current converter configured to convert, into a data current, a data voltage received from a data driving circuit and a first current mirror circuit configured to mirror the data current so that a light-emitting diode (LED) current flows into an LED array. The data current may be adjusted based on a greyscale value of the LED array.

Abstract: The present disclosure provides a technology for precisely controlling an LED driving current using fine current trimming data stored in a memory when driving an LED.

Abstract: A current mirror circuit includes a first transistor configured to be supplied with a data current from a data driving circuit; a second transistor configured to drive a light emitting diode by mirroring the data current transferred to the first transistor; and a voltage compensation circuit disposed between one terminal of the first transistor and one terminal of the second transistor and configured to compensate for a difference between voltages of the one terminals of the first transistor and the second transistor.

Abstract: An embodiment relates to a technique for driving an LED display. In a method of controlling grayscale of pixels dividedly by N subframes (N is a natural number of 2 or greater), a pulse width modulation (PWM) control value of each subframe may be calculated by a precalculator disposed at a front end of latches, thereby simplifying a circuit.

Abstract: An embodiment relates to an LED driving technique. The embodiment provides a technique of measuring a forward voltage reaching time of a currently driven LED by comparing a forward voltage sensed in a previous scan line and an LED voltage sensed in a current scan line, and compensating an ON period of a pulse width modulation (PWM) signal by the measured forward voltage reaching time.

Abstract: The present disclosure provides a current mirror circuit including a first transistor configured to be supplied with a data current from a data driving circuit; a second transistor configured to drive a light emitting diode by mirroring the data current transferred to the first transistor; a capacitor disposed between the first transistor and the second transistor and configured to store a voltage of a gate terminal of the second transistor therein; and a first switch disposed between the first transistor and the second transistor and configured to adjust an input current of the gate terminal of the second transistor.

Abstract: An engine glow plug disconnection detection method may include: increasing, by a controller, temperature of a plurality of glow plugs by performing a rapid temperature increase mode when an engine start signal of a vehicle is recognized by the controller; determining whether the glow plugs are disconnected and the number of disconnections using an engine start early-stage voltage of the vehicle and a voltage of the vehicle when the rapid temperature increase mode is performed, by the controller; recognizing, by the controller, cylinders of an engine with at least a disconnected glow plug upon determining that one or more glow plugs are disconnected: and storing, by the controller, a number of disconnected glow plugs and information related to corresponding cylinders.