A liquid crystal display device of the present invention comprises: a liquid crystal display panel; a cholesteric liquid crystal layer in the liquid crystal panel; a data controller having a connection with the liquid crystal display panel, wherein the data controller receives red, green and blue data signals from an external source and provides the signals to the liquid crystal panel; and a data ...

A duct assembly for a flue is provided to set an airtight guide ring at the inner wall of an inner pipe to cover a gap between flanges so as to maximize airtightness of the gap. A duct assembly for a flue includes inner pipes(12,12'), a first connecting band(15), and outer pipes(11,11'). Both ends of each inner pipe have flanges such that the inner pipes are connected with each other. The first co...

A duct assembly for a flue is provided to prevent generation of noise or vibration without using a heat insulator and insulate the duct assembly to restrain heat from being radiated from the duct assembly. A duct assembly for a flue includes a first heatproof sealant, a second heatproof sealant, a foaming aluminum pipe, and a guide ring. The first heatproof sealant is filled in a gap between flang...

A duct assembly for a flue is provided to reduce noise or vibration without using a material harmful to the human body and reduce generation of heat from the duct assembly to maintain insulation of the duct assembly. A duct assembly for a flue includes inner pipes(12,12'), outer pipes(11,11'), a pressure member, a combining member, aluminum pipes(25,25'), and a guide ring. Each inner pipe has flan...

A granular inoculum is provided to supply effectively microorganism using phosphoric acid to farmland and to maintain for a long term an effect promoting absorption of the phosphoric acid and rearing of plant. A granular inoculum comprises a carrier selected from a group consisting of clay, rice bran and a mixture thereof, phosphate and microorganism using phosphoric acid. The microorganism using ...

A foaming abrasive product and a manufacturing method thereof are provided to improve the polishing capacity and the grinding lifetime by applying the dust preventing coating on the top of the coating layer, and to improve workability by adhering to the absorption member to the upper side of the thin resin layer with the adhesive force of the foaming resin. A foaming abrasive product includes the ...

A simulation apparatus of a solar energy inverter for education is provided to enhance an education effect about a solar energy generation by visually confirming a process which converts a DC power generated in a solar cell into a commercial AC power. A simulation apparatus(100) of a solar energy inverter for education includes a main frame(110), a circuit module(120), a plurality of control switc...

PURPOSE: A liquid crystal panel and a method and an apparatus for manufacturing the same are provided to enable a spacer to form a desired position. CONSTITUTION: A column spacer(56) is interposed between an upper plastic substrate(50) and a lower plastic substrate(52) which are faced with each other. A common electrode and an insulation film are formed at the upper plastic substrate(50) and a plu...

PURPOSE: An apparatus and a method for manufacturing an LCD(Liquid Crystal Display) are provided to enhance a yield of a scribe/brake process and reduce a process time. CONSTITUTION: The scribing apparatus combined with a braking apparatus includes a scribing apparatus(32) and a braking apparatus(34) formed in line with a fixing shaft line(30). The fixing shaft line(30) is connected to a moving me...

PURPOSE: An apparatus and method for driving an LCD(Liquid Crystal Display) are provided to reduce power consumption and remove motion blurring. CONSTITUTION: An apparatus for driving an LCD includes an LCD panel(60), a signal input unit, a timing controller(61), a back light unit(70), a detector(74), and a back light driver(76). The LCD panel includes liquid crystal cells arranged in a matrix for...

PURPOSE: A TFT substrate is provided to dispose gate signal transmission lines that cross gate lines on an LCD panel, and to remove gate pads of a non-display area of the LCD panel and a gate PCB, thereby preventing an LOG(Line On Glass)-type gate signal from being delayed and reducing size of the LCD panel. CONSTITUTION: A TFT is located in a crossed part of data lines and gate lines. A vertical ...

Provided are a host material, which embodies organic light emitting diodes with high brightness and high efficiency and is applied to a light emitting layer, and an organic light emitting diode using the same, which has high brightness and high efficiency. The host material has a structure represented by the following formula 1. In the formula 1, each of A1 and A2 is independently selected from su...

A light emitting device includes a first substrate and a second substrate. Each substrate may be subdivided into a contact region and a pixel region. Conductive elements positioned in each of the contact region and pixel region of the first substrate may be of substantially the same height.

Disclosed is a liquid crystal display which can switch between a wide viewing angle and a narrow viewing angle in a quad type pixel structure including white subpixels. The liquid crystal display comprises: a plurality of quad type pixels each having an R subpixel, a G subpixel, a B subpixel, and a W subpixel; and a plurality of light blocking patterns disposed on the W subpixels, for guiding ligh...

An air floatation oven is provided to prevent a web from being transformed by changing fluid circulation structure of the oven symmetrically. An air floatation oven(300) comprises outer walls, a first feed duct, a second feed duct, and a circulation hole(380). The outer walls of the oven form a web-drying room. The outer walls have an opening wherein the web is inserted or discharged. The first fe...