Abstract: Disclosed herein is a composition for solar cell electrodes. The composition includes silver powder; glass frits; and an organic vehicle, wherein the glass frits have a glass transition temperature of about 100° C. to about 300° C. and exhibit an exothermic peak starting temperature of about 200° C. to about 400° C. on a DTA curve in TG-DTA analysis. Solar cell electrodes formed of the composition have high open circuit voltage and short circuit current density, thereby providing excellent conversion efficiency and fill factor.

Abstract: Disclosed is a secondary battery which can improve safety by forming a carbon coating layer and an electrode active material layer on an electrode plate such that ends of the carbon coating layer and the electrode active material layer are in different positions.

Abstract: A control apparatus of a robot cleaner includes a user interface unit to receive a user command controlling the robot cleaner; a controller to generate a control signal to receive a map of a cleaning area, based on the user command; and a communicator to receive the map of the cleaning area from an external server or the robot cleaner, based on the control signal. An embodiment may download or generate a map of a cleaning area and allow a map editing to be performed by a user. An embodiment may set and edit a cleaning schedule. When setting the cleaning schedule, an embodiment may recommend a cleaning schedule based on cleaning history data. An embodiment may automatically determine whether the environment is changed or whether the cleaning is available, while the robot cleaner performs the cleaning, and it may be possible to actively deal with this.

Abstract: A display device may include a substrate, a thin film transistor, a first electrode, a second electrode, and a barrier. The thin film transistor is disposed on the substrate. The first electrode is electrically connected to the thin film transistor. The second electrode overlaps the first electrode. The barrier has a first portion and a second portion. The second portion is disposed between the first portion and the second electrode and is fluorine-doped. A side surface of the first portion is part of a boundary of an opening of the barrier and is hydrophilic. The opening of the barrier is disposed between the first electrode and the second electrode.

Abstract: A display device includes: a substrate including a circuit layer; a first electrode on the substrate; a first pixel defining layer on the substrate and having an opening exposing an upper surface of the first electrode; a second pixel defining layer on the first pixel defining layer and comprising an amphipathic material; an organic layer on the first electrode; and a second electrode on the organic layer.

Abstract: A device and control method for driving a sensorless brushless DC (BLDC) motor, particularly related to a technology configured to increase the accuracy of detection of Zero Cross Point through a non-commutation period in a pulse width modulation (PWM) control. The device for driving a sensorless BLDC motor to switch a current applied to a stator winding based on a position of a rotor includes a three phase inverter configured to convert a DC input voltage into a three phase AC voltage and supply the three phase AC voltage to the BLDC motor; a terminal voltage detector configured to detect a three phase terminal voltage from an output terminal of the three phase inverter; and a controller configured to perform a PWM control of the terminal voltage based on a three phase back electromotive force (EMF) included in the detected terminal voltage. The PWM control includes a non-commutation control in which the switching of the current does not occur.

Abstract: Embodiments relate to a light emitting device package having an improved luminous flux, and the light emitting device package includes a body including a cavity, a first lead frame and a second lead frame exposed on a bottom surface of the cavity and separate from each other by an electrode separating member, a first light emitting device disposed on the first lead frame, a second light emitting device disposed on the second lead frame, and a Zener diode disposed on the first lead frame or the second lead frame, and disposed more closely to the electrode separating member than to the first light emitting device and the second light emitting device. Here, the electrode separating member diagonally separate the first lead frame and the second lead frame along a width direction of the body.

Abstract: A moving apparatus for cleaning is provided. The moving apparatus includes a cleaner for cleaning, a traveler for moving the moving apparatus, an image sensor for capturing an image of surroundings of the moving apparatus, and at least one processor configured to control the image sensor to detect at least one mark among a plurality of marks, respectively corresponding to different distances of the moving apparatus in relation to a station apparatus, from the image captured by the image sensor, and control the traveler to move the moving apparatus to a location of the station apparatus, which is determined based on the image where the mark is detected.

Abstract: Provided are a cleaning robot and a method of controlling the same, and more specifically, a cleaning robot provided to detect an obstacle in various directions and a method of controlling the same. The cleaning robot includes a light emitter configured to radiate light, a plurality of light receivers configured to receive a radiation of the light in a predetermined direction among radiations of the light reflected from an obstacle when the radiated light is reflected from the obstacle, a support plate to which the light emitter and the light receiver are fixed and which is rotatably provided, and a controller configured to detect the obstacle on the basis of output signals transmitted from the light emitter and the plurality of light receivers and rotation information of the support plate.

Abstract: Provided herein is a thermoplastic composite resin composition for shielding electromagnetic waves that may exhibit excellent mechanical properties and superior electromagnetic wave shielding performance without including a metal material.

Abstract: A light source circuit unit and a lighting device including the light source circuit unit that are configured such that a bent-type metal substrate is formed on an upper surface of the printed circuit board so that the occurrence of a defect due to circuit damage at a bent part upon bending the substrate can be prevented, and slimness and a heat-dissipation property of a device can be improved. The light source circuit board includes: a substrate having a first part with at least one opening portion, and a second part bent from the first part; a printed circuit board on one surface of the substrate; and a light source element mounted to the printed circuit board and inserted into the opening portion, the light source element emitting light to an opposing side of the substrate.

Abstract: Disclosed is a display apparatus which facilitates minimized thickness by innovatively removing a case and some portions of a set cover, which have been regarded as indispensable structures for the display apparatus, and simultaneously facilitates good aesthetic exterior appearance of the display apparatus by a novel design. The display apparatus comprises a set cover exposed externally and formed to have a storage space; a guide frame received in the storage space; a screw coupled to the guide frame by penetrating through the set cover so as to fix the guide frame to the set cover; a display unit placed onto the guide frame; and an adhesive member for fixedly adhering the display unit to the guide frame.

Abstract: Disclosed herein is a composition for solar cell electrodes. The composition includes a conductive powder, a glass frit, and an organic vehicle, wherein the glass frit is a bismuth oxide-tellurium oxide-zinc oxide-lithium oxide-based glass frit comprising: 5 wt % to 20 wt % of bismuth oxide; 55 wt % to 80 wt % of tellurium oxide; 0.1 wt % to 15 wt % of zinc oxide; and 0.1 wt % to 10 wt % of lithium oxide. Solar cell electrodes formed of the composition have low serial resistance (Rs) and high open voltage (Voc), thus providing high conversion efficiency and good adhesive strength with respect to a ribbon.

Abstract: A composition for solar cell electrodes includes a conductive powder, a glass frit containing bismuth (Bi), tellurium (Te), and molybdenum (Mo), and an organic vehicle. The glass frit has a molar ratio of bismuth (Bi) to tellurium (Te) of about 1:7 to about 1:800 and contains about 0.1 mol % to about 40 mol % of molybdenum (Mo).

Abstract: A display device includes a bank including an opening exposing a surface of a base. The bank further includes side surfaces adjacent to an upper surface. The side surfaces slope downward from the upper surface toward an opening in an organic film pattern. A plurality of fine holes are formed on the upper surface and the side surfaces, the bank may also include a plurality of inner holes.

Abstract: A robot cleaner includes a plurality of motors each of which transmits a driving force, a pad assembly which is connected to one of the plurality of motors to receive a rotational force from the motor, to rotate in a clockwise or counterclockwise direction, and thus to clean a floor surface, and a wire which is connected to the pad assembly and another one of the plurality of motors so that the pad assembly is tilted by the driving force of the motor, wherein the robot cleaner moves in a particular direction by a non-uniform frictional force between a bottom surface of the pad assembly and the floor surface. The robot cleaner uses wires to tilt the pad assembly and, thus, it is possible to miniaturize the robot cleaner.

Abstract: Disclosed herein are a cleaning robot and a method of controlling the same. The cleaning robot according to one embodiment includes a modular in which one or more modules configured to support different functions are integrated, and a controller configured to control the overall operation of the cleaning robot.

Abstract: Disclosed is a height-adjustable bed including: a base; a support frame placed on an upper surface of the base; a mattress stably placed on an upper surface of the support frame; and a height adjusting device connected to the support frame and the base to adjust the height and tilt of the support frame, wherein the height adjusting device includes a gas spring or a spring lever to manually adjust the height of the support frame.

Abstract: A method of manufacturing a finger electrode for a solar cell, the method including printing a conductive paste on a front surface of a substrate using a printing mask having an opening rate of about 65% or more and baking the printed conductive paste. The conductive paste includes a conductive powder, a glass frit including about 30 mol % to about 60 mol % of tellurium oxide and about 0.1 mol % to about 10 mol % of tungsten oxide, and an organic vehicle.

Abstract: Disclosed herein are a power supply apparatus, and an electric apparatus and a vacuum cleaner having the power supply apparatus. According to an aspect of the present disclosure, the power supply apparatus includes: a first power converter configured to convert a first Alternating Current (AC) voltage into a Direct Current (DC) voltage; a second power converter configured to drop the DC voltage output from the first power converter and transfer the dropped DC voltage to a power storage unit, and to boost a DC voltage of the power storage unit and output the boosted DC voltage; and a third power converter configured to convert a DC voltage among the DC voltage output from the first power converter and the boosted DC voltage output from the second power converter, into a second AC voltage, and to transfer the second AC voltage to a load.