Abstract:
A cyclometalated transition metal complex emitting phosphorescence of high efficiency and an organic electroluminescent display device employing the same are provided. The cyclometalated transition metal complex can be employed in an organic film of an organic electroluminescent display device, can emit light at a wavelength range of 400 nm to 650 nm, and can emit white light as well when used with a green light emitting material and a red light emitting material.
Abstract:
The present disclosure provides an implant surgery guiding method of guiding a position, direction and depth of a fixture to a dentist by real-time images The implant surgery guiding method includes: (a) generating a 3D oral cavity image for a patient; (b) designing a target placement including a target position and a target orientation of a fixture based in the 3D oral cavity image; (c) attaching an oral marker comprising a first pattern to a jawbone or a surrounding body portion of the patient, determining a spatial relationship between the oral marker and the jawbone, attaching a handpiece marker comprising a second pattern on a handpiece of a dentist, and determining a spatial relationship between the handpiece marker and the handpiece; and (d) estimating positions and orientations of the jawbone and the handpiece based on changes in positions and orientations of the oral marker and the handpiece marker while tracking the motions of the oral marker and the handpiece marker, and displaying a jawbone image portion and a handpiece image portion on a screen reflecting real-time changes in the positions and orientations of the jawbone and the handpiece.
Abstract:
The present invention relates to a fan with a cold air function which, through supply of liquid oxygen (LOX), has a strong cold air function and at the same time provides an air cleaning effect by supplying oxygen. A fan including a base part (10) equipped with a plurality of buttons (11), a main body part (20) installed on the top of the base part (10), a motor part (30), rotary blades (40) coupled to a motor shaft at the front of the motor part (30), and a protection net (50) installed to surround the rotor blades (40), the fan comprises: a mounting part (60) in which a liquid oxygen (LOX) charge canister (62) is removably mounted; an opening and closing controller (63) for controlling the output amount of an oxygen gas discharged from the charge canister (62) mounted in the mounting part (60); and a discharge pipe (64) which is connected to the opening and closing controller (63) and configured in such a manner that the discharged oxygen gas is diffused through the rotary blades (40) to the front.
Abstract:
An electrophoretic display device according to an exemplary embodiment of the present invention includes: a lower substrate; an upper substrate; a thin film transistor disposed on the lower substrate; a pixel electrode connected to the thin film transistor; an electronic ink layer positioned between the lower substrate and the upper substrate; a plurality of partitions disposed on the upper substrate; a reflecting layer disposed on the partitions; a color filter disposed between the partitions.
Abstract:
The present invention relates to a method and apparatus of translating a language using voice recognition. The present invention provides a method of translating a language using voice recognition, comprising: receiving a voice input comprising a first language; acquiring at least one recognition candidate corresponding to the voice input by performing voice recognition on the voice input; providing a user interface for selecting at least one of the acquired at least one recognition candidate; and outputting a second language corresponding to the selected at least one recognition candidate, wherein the type of the user interface is determined according to the number of the acquired at least one recognition candidate, and an apparatus of translating a language using voice recognition for implementing the above method.
Abstract:
Provided are an anthracene-based compound represented by Formula 1 or 2 and an organic light emitting device employing the same: where R is a hydrogen atom, a halogen atom, a cyano group, a hydroxyl group, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C3-C20 cycloalkyl group, a substituted or unsubstituted C5-C30 heterocycloalkyl group, a substituted or unsubstituted C1-C20 alkoxy group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C6-C30 aralkyl group or a substituted or unsubstituted C2-C30 heteroaryl group, L is a bivalent linking group and a substituted or unsubstituted C6-C30 arylene group or a substituted or unsubstituted C2-C30 heteroarylene group, and m is an integer of 0 to 3.
Abstract:
Provided are a cyclopentaphenanthrene-based compound and an organic EL device using the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, a light-emitting layer in an organic EL device, and as an organic dye or an electronic material such as a nonlinear optical material.
Abstract:
An electrophoretic display device according to an exemplary embodiment of the present invention includes: a lower substrate; an upper substrate; a thin film transistor disposed on the lower substrate; a pixel electrode connected to the thin film transistor; an electronic ink layer positioned between the lower substrate and the upper substrate; a plurality of partitions disposed on the upper substrate; a reflecting layer disposed on the partitions; a color filter disposed between the partitions.
Abstract:
Provided is an organic electroluminescent device including an organic layer interposed between a pair of electrodes, the organic layer including a layer formed of a titanium oxide derivative or a mixture layer containing a titanium oxide derivative. The organic electroluminescent device has higher luminescent efficiency, a longer lifetime and a lower operating voltage than a conventional organic electroluminescent device, and can be easily manufactured.
Abstract:
In a gate driving unit and a display apparatus, a first gate driving circuit is connected to a first end of a plurality of gate lines, a second gate driving circuit is connected to a second end of the gate lines, and they are substantially simultaneously turned on. The first and second gate driving circuits apply a first gate signal having a first pre-charging period and a first active period, which is adjacent to the first pre-charging period, to odd-numbered gate lines and apply a second gate signal having a second pre-charging period and a second active period, which is adjacent to the second pre-charging period, to even-numbered gate lines.