Abstract: An anode active material for a secondary battery includes a carbon-based active material, and silicon-based active material particles doped with magnesium. At least some of the silicon-based active material particles include pores, and a volume ratio of pores having a diameter of 50 nm or less among the pores is 2% or less based on a total volume of the silicon-based active material particles.

Abstract: The present invention relates to a positive electrode active material and a lithium secondary battery using a positive electrode containing the positive electrode active material. More particularly, the present invention relates to a positive electrode active material that is able to solve a problem of increased resistance according to an increase in Ni content by forming a charge transport channel in a lithium composite oxide and a lithium secondary battery using a positive electrode containing the positive electrode active material.

Abstract: The technology and implementations disclosed in this patent document generally relate to a lithium secondary battery including: a first unit cell including a first anode including a 1-1 anode mixture layer and a 1-2 anode mixture layer on the 1-1 anode mixture layer, and a second unit cell including a second anode including a 2-1 anode mixture layer and a 2-2 anode mixture layer on the 2-1 anode mixture layer, wherein a weight ratio of the silicon-based active material in the 1-2 anode mixture layer is greater than a weight ratio of the silicon-based active material in the 1-1 anode mixture layer, and a weight ratio of the silicon-based active material in the 2-2 anode mixture layer is less than or equal to a weight ratio of the silicon-based active material in the 2-1 anode mixture layer.

Abstract: An anode for a lithium secondary battery includes an anode current collector, and an anode active material layer formed on at least one surface of the anode current collector. The anode active material layer includes a carbon-based active material, a first silicon-based active material doped with magnesium and a second silicon-based active material not doped with magnesium. A content of the first silicon-based active material is in a range from 2 wt % to 20 wt % based on a total weight of the anode active material layer.

Abstract: In some implementations, the anode includes a current collector, a first anode mixture layer formed on at least one surface of the current collector, and a second anode mixture layer formed on the first anode mixture layer. The first anode mixture layer and the second anode mixture layer include a carbon-based active material, respectively. The first anode mixture layer includes a first binder, a first silicon-based active material, and a first conductive material. The second anode mixture layer includes a second binder, a second silicon-based active material, and a second conductive material. Contents of the first conductive material and the second conductive material are different from each other with respect to the total combined weight of the first anode mixture layer and the second anode mixture layer. Types of the first silicon-based active material and the second silicon-based active material are different from each other.

Abstract: A quantum dot light-emitting device including first electrode and a second electrode, a quantum dot layer between the first electrode and the second electrode, a first electron transport layer and a second electron layer disposed between the quantum dot layer and the second electrode. The second electron transport layer is disposed between the quantum dot layer and the first electron transport layer, wherein each of the first electron transport layer and the second electron transport layer includes an inorganic material. A lowest unoccupied molecular orbital energy level of the second electron transport layer is shallower than a lowest unoccupied molecular orbital energy level of the first electron transport layer, and a lowest unoccupied molecular orbital energy level of the quantum dot layer is shallower than a lowest unoccupied molecular orbital energy level of the second electron transport layer. An electronic device including the quantum dot light-emitting device.

Abstract: An embodiment relates to a touch sensing device for sensing a touch by using touch electrodes disposed on a display panel. The touch sensing device can generate a touch synchronization signal based on a starting time point of a touch frame and output a touch driving signal for sensing a touch to a panel based on the generated touch synchronization signal.

Abstract: An embodiment provides a touch circuit including a touch driving circuit supplying touch driving signals to touch electrodes, a touch sensing circuit sensing capacitance changes of the touch electrodes through touch sensing lines, and multiplexers, connected with the touch sensing lines, each transferring a capacitance change of a touch electrode to the touch sensing circuit. Some of the touch electrodes of the touch circuit are selectively short-circuited depending on a driving mode of the touch circuit and the touch electrodes are electrically connected with each other through the connection of nodes of the touch electrodes.

Abstract: In an embodiment, various active pens may be searched for in every frame, so that various active pens may operate in a touch sensing system.

Abstract: In an embodiment, various active pens may be searched for in every frame, so that various active pens may operate in a touch sensing system.

Abstract: In an embodiment, various active pens may be searched for in every frame, so that various active pens may operate in a touch sensing system.

Abstract: A power management circuit includes a control signal reception circuit configured to receive a power control signal for controlling an operation of the power management circuit in correspondence to a driving mode of a panel, from a microcontroller which receives information on the driving mode of the panel; an output signal change circuit configured to change an output signal of the power management circuit in response to the power control signal; a control target selection circuit configured to select a control target circuit to which the output signal is to be transferred; and an output signal transmission circuit configured to transfer the output signal to the control target circuit.

Abstract: An embodiment provides a touch circuit including a touch driving circuit supplying touch driving signals to touch electrodes, a touch sensing circuit sensing capacitance changes of the touch electrodes through touch sensing lines, and multiplexers, connected with the touch sensing lines, each transferring a capacitance change of a touch electrode to the touch sensing circuit. Some of the touch electrodes of the touch circuit are selectively short-circuited depending on a driving mode of the touch circuit and the touch electrodes are electrically connected with each other through the connection of nodes of the touch electrodes.

Abstract: In an embodiment, various active pens may be searched for in every frame, so that various active pens may operate in a touch sensing system.

Abstract: Disclosed is a touch sensing device for implementing a high resolution, which decreases a touch sensing period of an active pen in one frame to increase a display period. The touch sensing device includes a touch driver transmitting an uplink signal to an active pen through a touch electrode provided in a display panel during a first touch sensing period included in one frame period, a touch sensing unit sensing a downlink signal transmitted from the active pen on the basis of a capacitance occurring between the active pen and the touch electrode to generate first sensing data during a plurality of second touch sensing periods included in the one frame period, and a touch controller calculating pen data and pen touch coordinates of the active pen on the basis of the first sensing data generated during the second touch sensing period.

Abstract: In an embodiment, various active pens may be searched for in every frame, so that various active pens may operate in a touch sensing system.

Abstract: Disclosed is a touch sensing device for implementing a high resolution, which decreases a touch sensing period of an active pen in one frame to increase a display period. The touch sensing device includes a touch driver transmitting an uplink signal to an active pen through a touch electrode provided in a display panel during a first touch sensing period included in one frame period, a touch sensing unit sensing a downlink signal transmitted from the active pen on the basis of a capacitance occurring between the active pen and the touch electrode to generate first sensing data during a plurality of second touch sensing periods included in the one frame period, and a touch controller calculating pen data and pen touch coordinates of the active pen on the basis of the first sensing data generated during the second touch sensing period.