Samsung Electronics Co., Ltd.

Samsung Led Co., Ltd.

Samsung Electro-Mechanics Co., Ltd.

Chang Hoon Baek

Sang Yun Lee

Chang Seob Kim

Hyeong Won Yun

Kil Yoan Chung

Do Hun Kim

Tae Jin Kim

Hyung Suk Kim

Sang Kyu Lee

Jin Woo Bae

Won Hoe Koo

Ho Chan Cho

Jae Youl Lee

Seung Kwan Choi

Yun Seok Woo

Wuk Chul Joung

Won Gi Lee

Joong El Ghim

Won Ki Lee

A lighting device includes an ultra-wideband (UWB) sensor module configured to detect movement, a light source module having a plurality of light emitting diodes (LEDs), and a driver configured to drive the plurality of LEDs, and a first controller connected to the light source module and the UWB sensor module, the first controller being configured to receive setting data from an external control device, output the setting data to the UWB sensor module to cause the UWB sensor module to set at least one operational parameter of the UWB sensor module, and output a control signal to the driver to cause the driver to drive the plurality of LEDs.

Lighting systems, lighting devices and lighting control methods using ultra-wideband sensor

A lighting system includes a plurality of lighting devices including a controller transmitting and receiving data by using near field communications (NFC) The lighting system further includes a control device that collects identification information for the plurality of respective lighting devices through the NFC communications before the plurality of lighting devices are installed. The control device also generates settings data to control the plurality of lighting devices, based on the identification information, and then transmits the generated settings data to the plurality of respective lighting devices.

Lighting system, lighting device, and control method thereof

A clock data recovery circuit including: a digital phase detector and deserializer configured to sample serial data using a recovery clock signal to generate an up phase error signal and a down phase error signal which correspond to a phase difference between the serial data and the recovery clock signal; a digital loop filter configured to generate an up fine code and a down fine code based on a result of counting the up and down phase error signals; a loop combiner configured to generate an up fine tuning code and a down fine tuning code by using the up and down phase error signals and the up and down fine codes; and a digitally controlled oscillator configured to generate the recovery clock signal having a frequency changed with the up and down fine tuning codes.

Clock data recovery circuit and a method of operating the same

There is provided a light source for an illumination apparatus and a method of manufacturing the same. The light source includes a light emitting device; a power unit module supplying an electrical signal to the light emitting device; a support unit having the light emitting device thereon and discharging heat generated by the light emitting device to the outside; and a housing unit covering and protecting the light emitting device, the power unit module and the support unit. The light emitting device is disposed to have a height greater than that of a contact region between the power unit module and the housing unit with relation to a lower edge of the housing unit.

Light source for illumination apparatus and method of manufacturing the same

A light source includes first to nth light emitting modules (n is a natural number that is two or more than two) each having a plurality of light emitting elements and connectors that are electrically connected to the light emitting elements. The connector of the first light emitting module is disposed near an angular point (hereinafter, referred to as 'rotational central point') of a region defining the first light emitting module. The light emitting elements and connector of the ilight emitting module has a layout structure defined by a clockwise or counter-clockwise rotation of the light emitting elements and connectors of the first light emitting module by an angle (i&#x2212;1)/n&#xd7;360&#xb0; about the rotational central point, wherein i is a natural number which satisfies 2&#x2266;i&#x2266;n.

Planar light source and backlight unit having the same

A planar light source and a backlight unit including the same are disclosed. The planar light source includes a light emission region formed by arrangements of light emitting devices. The light emission region includes first to nseparate parts each having a center of the light emission region as one vertex (n: natural number of 2 or higher). The first separate part includes light emitting devices arranged two-dimensionally in first and second directions. A pitch in the first direction is different from a pitch in the second direction in at least a portion of the two-dimensional arrangement structure. Light emitting devices of each of the second to nseparate parts have an arrangement structure obtained by a clockwise or counter-clockwise rotation of the arrangement structure of the light emitting devices of the first separate part by an angle of 1/n&#xd7;360&#xb0; about the center of the light emission region.

Planar light source and backlight unit including the same

A light emitting diode backlight (LED) unit includes: a substrate having a plurality of divided areas; a plurality of LEDs disposed on the substrate; and an LED driver supplying a drive power to the plurality of LEDs disposed in at least two of the plurality of divided areas, wherein at least a part of the plurality of LEDs disposed in one of the plurality of divided areas is electrically connected to each other.

Light emitting diode back light unit

There is provided an integrated LED driving device including: a DC/DC converting part converting and outputting a DC voltage inputted from the outside by switching of a switch into a driving voltage of a magnitude suitable for driving a plurality of LED arrays; a constant current controlling part receiving at least one of information on the current flowing through the LED array and information on a voltage applied to the LED array by feed-back, the constant current controlling part including a PWM controller PWM-controlling a switching duty of the switch of the DC/DC converting part, and controlling a switching duty of each of the switches of the switching part to allow the current to flow through the LED array with a predetermined magnitude; and a control logic receiving a control signal by a user and controlling the PWM controller in response to the control signal.

Growing community of inventors

Gyunggi-do, South Korea

Chang Hoon Baek