Abstract: A flexible display device includes a flexible display panel to display an image, a support panel including a shape memory polymer layer and a driver to control a shape of the shape memory polymer layer, and a flexible PCB connecting the driver to a driving circuit board. The support panel is coupled to a rear side of the display panel.

Abstract: A flexible display device includes a flexible display panel, a correction panel, and a flexible printed circuit board. The correction panel includes a shape memory polymer layer and a driver. The shape memory polymer layer includes microlenses and the driver control the microlenses. The flexible printed circuit board connects the driver to a driving circuit board.

Abstract: A display device may include a foldable display member. The foldable display member may include a first portion, a second portion, and a bendable portion. The first portion may be connected through the bendable portion to the second portion. The display device may further include a first controllable member that may overlap the bendable portion. The display device may further include a control unit connected to the first controllable member and configured to provide a first signal to control a size of the first controllable member according to a magnitude of an angle between the first portion and the second portion.

Abstract: A method of displaying folding information includes evaluating a folded state of a foldable display apparatus, measuring a folding accumulation time that indicates an amount of time that the folded state is maintained, determining the folding information based on the folding accumulation time, and displaying the folding information on a display panel of the foldable display apparatus.

Abstract: Provided are an electronic device and a method of controlling light transmittance of the same. The electronic device includes: a light source which provides light; and a variable light control member which adjusts transmittance of the provided light. The variable light control member includes: a base substrate including a plurality of unit areas; a thin-film transistor (TFT) which is disposed on the base substrate; and a deformable lens layer having lens portion disposed on the base substrate in association with at least one of the unit areas, the lens portion being deformable by a control signal of the TFT.

Abstract: A portable display device including a display unit, the display unit including a light-emitting surface that displays an image and a non-light-emitting surface opposite to the light-emitting surface; a drive unit, the drive unit controlling the display unit; and a flexible film, the flexible film electrically connecting the display unit and the drive unit, wherein the drive unit includes a first surface on which the flexible film is disposed, and a second surface opposite to the first surface, and wherein the portable display device is embodied in a first folding mode in which the flexible film is bent in such a way that the non-light-emitting surface and the second surface face each other, or a second folding mode in which the flexible film is bent in such a way that the light-emitting surface and the first surface face each other.

Abstract: An organic light emitting display device includes a substrate, a display structure disposed on a first face of the substrate, and a light transmission controlling member disposed on a second face of the substrate opposed to the first face, in which the light transmission controlling member includes a shape memory polymer configured to change its shape to control an amount of an external light passing through the light transmission controlling member.

Abstract: An energy storage system is provided. The system includes an energy storage device including at least one battery module, a power adjuster that adjusts power of the energy storage device, a controller that controls the energy storage device and the power adjuster, a rack that accommodates the energy storage device, the power adjuster and the controller, the rack including at least one stationary coupler fixed to a movable unit and at least one support device that supports the energy storage system against the moveable unit.

Abstract: A method of displaying folding information includes evaluating a folded state of a foldable display apparatus, measuring a folding accumulation time that indicates an amount of time that the folded state is maintained, determining the folding information based on the folding accumulation time, and displaying the folding information on a display panel of the foldable display apparatus.

Abstract: A display device may include a foldable display member. The foldable display member may include a first portion, a second portion, and a bendable portion. The first portion may be connected through the bendable portion to the second portion. The display device may further include a first controllable member that may overlap the bendable portion. The display device may further include a control unit connected to the first controllable member and configured to provide a first signal to control a size of the first controllable member according to a magnitude of an angle between the first portion and the second portion.

Abstract: A photo sensor capable of reducing the distortion of signals output from the photo sensor to output a correct measured value and an organic light emitting display using the same. The organic light emitting display includes a pixel unit formed on a transparent substrate to display an image in response to scan signals and data signals, a scan driver generating the scan signals to transmit the scan signals to the pixel unit, a data driver generating the data signals to transmit the data signals to the pixel unit, and a photo sensor including a sensing unit sensing brightness of ambient light to output a sensing signal and a control unit for receiving the sensing signal to output a brightness control signal for controlling brightness of the image.

Abstract: An organic light emitting display device capable of driving transistor threshold voltage compensation, including: pixels positioned in the intersections of scan lines and data lines, wherein each pixel comprises: a first transistor and a fourth transistor, connected at a common node, disposed between an anode of an OLED and a first power supply; a cathode of the OLED connected to a second power supply; a second transistor connected between a gate of the first transistor and a data line, and turned on when a scan signal is supplied to a scan line; a third transistor connected between the common node and the data line, and turned on when a scan signal is supplied to the scan line; a first capacitor connected between the gate of the first transistor and the anode of the OLED; and a second capacitor connected between the anode of the OLED and a predetermined voltage source.

Abstract: An actuator for a vehicle capable of selectively opening and closing a waste gate valve provided in a turbocharger is disclosed. The actuator includes a driving motor having a motor shaft, a gear assembly comprising a plurality of gears engaging with each other and with the motor shaft, a connecting unit connected with the gear assembly to move along the operation of the gear assembly, wherein the connecting unit is connected with a waste gate valve provided in a turbocharger housing.

Abstract: An exhaust gas recirculation valve in a vehicle has two valves that are controlled individually by using one driving source. The exhaust gas recirculation valve enables secure operation of a vehicle even if the driving source is out of order. The exhaust gas recirculation EGR valve includes a driving unit having a driving motor for rotating a motor shaft and an interlocking unit for receiving rotational force from the motor shaft. A rod portion moves upon reception of the rotational force. A valve unit at an end portion of the rod portion controls a flow rate of the exhaust gas. A valve housing is coupled to the driving unit as one unit and has an EGR port and a bypass port. The interlocking unit includes a valve return member for rotating the motor shaft forcibly to make the valve unit to move to an initial position.

Abstract: A photo sensor in a flat panel display includes a first transistor having first, second, and gate electrodes respectively coupled to first, second, and third nodes; a second transistor having first, second, and gate electrodes, respectively coupled to a fourth node, the first node, and a first control signal line; a third transistor having first, second, and gate electrodes, respectively coupled to the second node, the third node, and the first control signal line; a fourth transistor having first, second, and gate electrodes, respectively coupled to a reset power line, the third node, and a reset signal line; a fifth transistor having first, second, and gate electrodes, respectively coupled to a first power source, the first node, and a second control signal line; a sixth transistor having first, second, and gate electrodes, respectively coupled to the second node, output line, and the second control signal line; and a seventh transistor.

Abstract: An exhaust gas recirculation valve in a vehicle has two valves that are controlled individually by using one driving source. The exhaust gas recirculation valve enables secure operation of a vehicle even if the driving source is out of order. The exhaust gas recirculation EGR valve includes a driving unit having a driving motor for rotating a motor shaft and an interlocking unit for receiving rotational force from the motor shaft. A rod portion moves upon reception of the rotational force. A valve unit at an end portion of the rod portion controls a flow rate of the exhaust gas. A valve housing is coupled to the driving unit as one unit and has an EGR port and a bypass port. The interlocking unit includes a valve return member for rotating the motor shaft forcibly to make the valve unit to move to an initial position.

Abstract: Disclosed herein is a pixel circuit for an OLED panel, a display device having the pixel circuit and a method of driving the OLED panel. The pixel circuit for an OLED panel includes a switching element driven by a scan signal input through a corresponding one of scan lines sequentially selected from among a plurality of scan lines, and configured to transfer drive current based on luminance data input through a corresponding one of a plurality of data lines. An OLED emits light using the drive current transferred by the switching element. The OLED has an anode connected to a source terminal of the transistor and a cathode connected to a common electrode. Accordingly, problems such as the imbalance and deterioration of luminance attributable to the sequential driving of scan lines can be solved, and the complexity of circuits of a conventional AMOLED panel can be solved.

Abstract: An organic light emitting display device capable of driving transistor threshold voltage compensation, including: pixels positioned in the intersections of scan lines and data lines, wherein each pixel comprises: a first transistor and a fourth transistor, connected at a common node, disposed between an anode of an OLED and a first power supply; a cathode of the OLED connected to a second power supply; a second transistor connected between a gate of the first transistor and a data line, and turned on when a scan signal is supplied to a scan line; a third transistor connected between the common node and the data line, and turned on when a scan signal is supplied to the scan line; a first capacitor connected between the gate of the first transistor and the anode of the OLED; and a second capacitor connected between the anode of the OLED and a predetermined voltage source.

Abstract: A photo sensor capable of reducing the distortion of signals output from the photo sensor to output a correct measured value and an organic light emitting display using the same. The organic light emitting display includes a pixel unit formed on a transparent substrate to display an image in response to scan signals and data signals, a scan driver generating the scan signals to transmit the scan signals to the pixel unit, a data driver generating the data signals to transmit the data signals to the pixel unit, and a photo sensor including a sensing unit sensing brightness of ambient light to output a sensing signal and a control unit for receiving the sensing signal to output a brightness control signal for controlling brightness of the image.

Abstract: A photo sensor in a flat panel display includes a first transistor having first, second, and gate electrodes respectively coupled to first, second, and third nodes; a second transistor having first, second, and gate electrodes, respectively coupled to a fourth node, the first node, and a first control signal line; a third transistor having first, second, and gate electrodes, respectively coupled to the second node, the third node, and the first control signal line; a fourth transistor having first, second, and gate electrodes, respectively coupled to a reset power line, the third node, and a reset signal line; a fifth transistor having first, second, and gate electrodes, respectively coupled to a first power source, the first node, and a second control signal line; a sixth transistor having first, second, and gate electrodes, respectively coupled to the second node, output line, and the second control signal line; and a seventh transistor.