Abstract: A negative electrode includes nanotubes including a metal/metalloid, disposed on a conductive substrate, and having opened ends. A lithium battery includes the negative electrode.

Abstract: A transparent display device for enhancing optical transmissivity in a transparent mode, is discussed. The transparent display device may include a liquid crystal panel; a light source disposed at one side of a lower portion of the liquid crystal panel to emit light; a first polarizing plate for polarizing the light emitted from the light source; a light guide plate disposed at a lower portion of the liquid crystal panel to totally reflect the light polarized to an axis by the first polarizing plate to a lateral surface thereof and supply to the liquid crystal panel, and transmit natural light entered from a lower direction therethrough; and a second polarizing plate disposed at an upper portion of the liquid crystal panel to control the amount of polarized light passing through the liquid crystal panel.

Abstract: Disclosed is a liquid crystal display device capable of enhancing luminance thereof, the device including a liquid crystal display panel for displaying an image; a light source for emitting light; a light guide plate for guiding the light emitted from the light source; an optical sheet above the light guide plate to enhance the efficiency of light input from the light guide plate; a polarization sheet above the optical sheet, the polarization sheet polarizing the light supplied to the liquid crystal display panel into a first polarizing direction and converting the light having a second polarizing component into the light having a first polarizing component to supply the light having the converted polarizing component into the liquid crystal display panel; and a polarizer onto the liquid crystal display panel to adjust transmittance of light transmitted through the liquid crystal display panel.

Abstract: A liquid crystal display module is disclosed, which facilitates to improve luminance of a liquid crystal panel by enhancing a light transmittance, the liquid crystal display module comprising a liquid crystal panel with plural unit pixels, wherein each unit pixel includes red(R), green(G), blue(B), and white(W) sub-pixels, for converting incident light into colored light; a light source for supplying light to the liquid crystal panel; a light-guiding plate for changing a horizontal direction of incident light from the light source into a vertical direction; and a polarizing plate including a polarization area for polarizing the light outgoing from the liquid crystal panel, and a hole for transmitting the light therethrough.

Abstract: Disclosed is a liquid crystal display module that improves luminance of a liquid crystal panel by enhancing a light transmittance. The liquid crystal display module comprises a liquid crystal panel with plural unit pixels for converting incident light into colored light, wherein each unit pixel includes red (R), green (G), blue (B), and white (W) sub-pixels; a light source for supplying light to the liquid crystal panel; an optical member for guiding light emitted from the light source toward a frontal direction of the liquid crystal panel; and a polarizing means including a polarization area for polarizing the light outgoing from the liquid crystal panel, and a hole for transmitting the light therethrough.

Abstract: An electrode composition for inkjet printing includes an electrode active material, a binder resin, and a solvent. An electrode and a secondary battery prepared by using the electrode use the printed electrode composition. A precise electrode pattern is formed by using an inkjet printing method since spreadability of the electrode composition is excellent. The secondary battery is a micro-thin type having increased electrode capacity and increased cycle lifespan which is prepared since coherence between the electrode composition and a current collector is excellent.

Abstract: Disclosed is a transparent display device including a light guide plate formed with a plurality of concave patterns at the lower surface thereof to totally reflect polarized light entered in a lateral direction while transmitting natural light entered from a lower direction therethrough; a light source disposed in a lateral direction of the light guide plate to emit visible light including first and second polarized lights; a first polarizing plate disposed at a lateral portion of the light guide plate to transmit either one of the first and second polarized lights through the light guide plate; a liquid crystal panel for driving liquid crystals to change the phase of the polarized light; and a second polarizing plate for controlling an amount of the polarized light according to the changed phase of the polarized light.

Abstract: An ice making system for a refrigerator is provided. The ice making system includes an ice maker body, an ejector rotatably coupled to the ice maker body that drops ice pieces made by the ice maker body, an ice bank drawably disposed below the ice maker body that stores the ice pieces dropped by the ejector, an ice sensing lever that senses an amount of the ice pieces stored in the ice bank, a lever holding device that elastically supports and couples the ice sensing lever, and a driving force transmitting device that transmits a rotation force received from the ejector to the lever holding device, thereby rotating the lever holding device. The ice sensing lever may move within a predetermined range when an external force is applied to the ice sensing lever.

Abstract: An image forming apparatus is provided which includes a multiplexer (MUX) which is able to be connected to at least one developer supplier, at least one pull-up resistor which is connected in parallel to at least one connection line between the at least one developer supplier and the MUX, and a central processing unit (CPU) which detects a connection signal from the at least one pullup resistor and the at least one connection line, and determines whether an initial developer supplier is mounted according to the value of the connection signal.

Abstract: An auto color registration apparatus and a method thereof capable of improving the precision of a color registration operation, the auto color registration apparatus includes: a color image sensing module to sense color image patterns printed on a transfer belt; a first correction value calculating module to calculate a first color registration correction value for each color by calculating positions of the colors; a correction coefficient calculating module to calculate a correction coefficient of one or more blocks of each of the colors, the one or more blocks formed from first color registration patterns that are printed according to the first color registration correction values; a second correction value calculating module to calculate a second color registration correction value for each block using the corresponding correction coefficient; and a registration controller to print a second color registration pattern according to the second color registration correction value.

Abstract: Disclosed are an apparatus for and a method of correction color registration in an electro-photographic printer. An apparatus for correcting color registration in an electro-photographic printer, in which exposure start points of each color unit for a photosensitive drum are adjusted to superpose images developed in a plurality of colors on matching positions of a transfer belt, includes an exposure unit to project light beams on the photosensitive drum to form latent images of one or more marks for each color unit. A developing unit is also disclosed to generate developed images by developing the latent images of the marks and a mark sensing unit is provided to detect the developed images transferred on a surface of the transfer belt for a predetermined time period. A color registration controller stores information on time points at which the developed images are detected and compares the number of the time points with the number of the marks.

Abstract: A thin film for an anode of a lithium secondary battery having a current collector and an anode active material layer formed thereon is provided. The anode active material layer is a multi-layered thin film formed by stacking a silver (Ag) layer and a silicon-metal (Si-M) layer having silicon dispersed in a base made from metal reacting with silicon while not reacting with lithium. The cycle characteristic of the thin film for an anode can be improved by suppressing the volumetric expansion and shrinkage of Si occurring during charging/discharging cycles. Thus, a lithium secondary battery with improved life characteristics by employing the thin film for an anode, which greatly improves the chemical, mechanical stability of the interface between an electrode and an electrolyte.

Abstract: Provided is a cathode active material containing a Ni-based lithium mixed transition metal oxide. More specifically, the cathode active material comprises the lithium mixed transition metal oxide having a composition represented by Formula I of LixMyO2 wherein M, x and y are as defined in the specification, which is prepared by a solid-state reaction of Li2CO3 with a mixed transition metal precursor under an oxygen-deficient atmosphere, and has a Li2CO3 content of less than 0.07% by weight of the cathode active material as determined by pH titration. The cathode active material in accordance with the present invention and substantially free of water-soluble bases such as lithium carbonates and lithium sulfates and therefore has excellent high-temperature and storage stabilities and a stable crystal structure.

Abstract: A ring oscillator setting apparatus and method depending on an environmental change of an image formation apparatus is provided. The apparatus includes a plurality of ring oscillators for generating different oscillation frequencies. The apparatus further includes a loopspeed detection unit to detect a loopspeed representing the number of pulses generated at the oscillation frequency by one of the ring oscillators selected from the plurality of ring oscillators for a predetermined unit time. Moreover, a state sensing unit is provided to detect a state of system environment of the image formation apparatus. A setting control unit is also provided to select and set one of the ring oscillators selected corresponding to change of the loopspeed detected from the loopspeed detection unit among the plurality of ring oscillators in response to the detected state of the state sensing unit.

Abstract: An ice making system for a refrigerator comprises: an ice maker body; an ejector rotatably coupled to the ice maker body, for dropping ice pieces made by the ice maker body; an ice bank drawably disposed below the ice maker body, for storing the ice pieces dropped by the ejector; an ice sensing lever for sensing an amount of the ice pieces stored in the ice bank; a lever holding unit for elastically supporting and coupling the ice sensing lever so that the ice sensing lever may move within a predetermined range when an external force is applied to the ice sensing lever; and a driving force transmitting unit for transmitting a rotation force received from the ejector to the lever holding unit thereby rotating the lever holding unit.

Abstract: A solid electrolyte including a composition represented by Formula 1 below is provided: aLi2O-bB2O3-cM-dX (1) wherein M is at least one selected from the group consisting of TiO2, V2O5, WO3, and Ta2O5; X is at least one selected from LiCl and Li2SO4; 0.4<a<0.55; 0.4<b<0.55; 0.02<c<0.05; a+b+c=1, and 0?d<0.2. A method for preparing the solid electrolyte and a battery using the solid electrolyte are also provided. The solid electrolyte exhibits high ionic conductivity. Lithium and thin film batteries using the solid electrolyte are improved in charge/discharge rate, power output, and cycle life.

Abstract: A driving apparatus of a backlight includes a controller for controlling square wave oscillation, a square wave oscillator for oscillating a constant square wave signal in accordance with a control signal from the controller, and a signal generator for generating a burst dimming signal using the square wave signal.

Abstract: A solid electrolyte, a method of manufacturing the same, and a lithium battery and a thin-film battery that employ the solid electrolyte are provided. The solid electrolyte contains nitrogen to enhance the ionic conductivity and electrochemical stability of batteries.

Abstract: Provided is a color registration compensation apparatus and method for an electro-photographic image forming apparatus. The color registration compensation apparatus for an electro-photographic image forming apparatus including an exposing unit for forming a plurality of latent images of patterns onto photoconductive drums, wherein at least two of the latent images are comprised of different colors; a developing unit for developing the latent images of the patterns; a pattern sensing unit for sensing the patterns transferred onto a transfer belt after the development; and a color registration control unit for calculating position information data each time the patterns are sensed, for calculating a deviation between the position information data and a set value, for calculating a color registration compensation value using the position information data when the deviation is equal to or less than a threshold value, and for then controlling exposure start timings.

Abstract: A lamp driving device includes a switch circuit for supplying a signal; a transformer which boosts a voltage of the signal from the switch circuit and supplies the boosted voltage to at least one lamp; a safety circuit which compares a threshold value with at least one of the boosted voltage and a current through the lamp, and intercepts at least one of the boosted voltage and the current through the lamp in accordance with the comparison result; and a warming part for warming the lamp in an early stage with a voltage less than or equal to the threshold value.