Patent application number | Description | Published |
20090046526 | WORD LINE DRIVING CIRCUIT AND METHOD OF TESTING A WORD LINE USING THE WORD LINE DRIVING CIRCUIT - A method of testing a word line using a word line driving circuit comprising: activating a word line by activating a word line driving signal; floating the word line by activating a test mode signal after the activating of the word line; recording data having a predetermined logic value into a memory cell by inputting a write command while the word line is floated; and reading out data from the memory cell by inputting a read command after the recording of data. | 02-19-2009 |
20090257300 | FUSE INFORMATION CONTROL DEVICE, SEMICONDUCTOR INTEGRATED CIRCUIT USING THE SAME, AND CONTROL METHOD THEREOF - A fuse information control device having a delay circuit to delay an active signal, includes a fuse circuit that outputs fuse information in response to a fuse information control signal, and a fuse information control signal generating unit that generates the fuse information control signal in response to one of the active signal and internal delay signals of the delay circuit. | 10-15-2009 |
20100091599 | SEMICONDUCTOR MEMORY APPARATUS - A semiconductor memory apparatus includes first and second bank blocks, a mode generator configured to generate a chip select mode signal used to control an operational mode of the first and second bank blocks, and a controller configured to drive the first and second bank blocks in response to the chip select mode signal, first and second select signals, and a predetermined address signal that are used to control driving of the first and second bank blocks, wherein the controller receives the chip select mode signal having a level used to determine a single chip mode to control operation of the first and second bank blocks in one rank unit, and the first and second bank blocks are selectively activated by using the predetermined address signal. | 04-15-2010 |
Patent application number | Description | Published |
20080290336 | POLARIZED LIGHT EMITTING DIODE - Disclosed is a polarized light emitting diode (LED) capable of emitting polarized light in the front direction thereof by forming a first grating layer on a quantum well layer and forming a second grating layer on a substrate. The polarized LED includes a nitride thin film formed on a substrate, a quantum well layer formed on the nitride thin film, a first grating layer formed on the quantum well layer to allow a part of light generated from the quantum well layer to pass through the first grating layer and to reflect remaining light, and a second grating layer formed on the substrate to rotate the light reflected from the first grating layer such that the reflected light passes through the first grating layer. | 11-27-2008 |
20090101888 | METHOD OF MANUFACTURING IN (As) Sb SEMICONDUCTOR ON LATTICE-MISMATCHED SUBSTRATE AND SEMICONDUCTOR DEVICE USING THE SAME - Disclosed is a method of manufacturing a semiconductor device whereby InAs | 04-23-2009 |
20100068843 | DISTRIBUTED BRAGG'S REFLECTOR OF DIGITAL-ALLOY MULTINARY COMPOUND SEMICONDUCTOR - There is provided a distributed Bragg's reflector (DBR) comprising a substrate and an unit distributed Bragg's reflector (DBR) layer, wherein a multi-layer is laminated on the substrate. The unit DBR layer is composed of a multi-layer laminated structure of unit digital-alloy multinary compound semiconductor layer/multinary compound semiconductor layer or unit digital-alloy multinary compound semiconductor layer/unit digital-alloy multinary compound semiconductor layer. The unit digital-alloy multinary compound semiconductor layer is composed of the multi-layer laminated structure of the first layer of multinary compound semiconductor and the second layer of a different multinary compound semiconductor on said first layer. The digital-alloy distributed Bragg's reflector of the present invention has a uniform quality on the substance area and the filter and reflector having uniformly high quality can be mass produced by using the reflector. | 03-18-2010 |
20110138688 | FILM SHEET FOR AREA FOCUSING OF SUN LIGHT AND GREENHOUSE PROVIDED WITH THE SAME - A film sheet for area-focusing of sunlight and a greenhouse provided with the same are provided. A film sheet includes i) a film having a rectangular shape, and ii) a plurality of prism assemblies formed on one surface of the film to extend in one direction. At least one prism assembly of the plurality of prism assemblies includes i) at least one first prism unit including a plurality of first prisms with slanted angles that are substantially the same as each other, and ii) at least one second prism unit neighboring the first prism unit and including a plurality of second prisms with slanted angles that are substantially the same as each other. The width of the first prism unit is substantially the same as the width of the second prism unit and a slanted angle of one first prism among the plurality of first prisms is different from a slanted angle of one second prism among the plurality of second prisms, and light entering the prism assembly is configured to be area-focused. | 06-16-2011 |
20130135758 | CONCENTRATION-RATIO CONTROLLABLE SYSTEM IN THE SOLAR SIMULATOR FOR THE CONCENTRATE TYPE SOLAR CELLS - Provided is a concentration ratio controlling apparatus for concentration type solar cells that may adjust an opened area by mounting, to a lower portion of a solar simulator, a concentration ratio controlling apparatus combined with an adjustment unit capable of controlling the opened area and thereby adjusting the adjustment unit, and as a result, may adjust the quantity of light, that is, a concentration ratio, that is irradiated toward the surface of a solar cell disposed below a condenser by varying the quantity of light incident through a Fresnel lens disposed in a lower portion of the condenser. | 05-30-2013 |
20130330083 | UNDERWATER COMMUNICATION APPARATUS AND METHOD - An underwater communication apparatus for performing an optical communication with an external device under water includes: a current control unit that modulates first data to be transmitted to the external device into a first current; and a light transmitting unit that transmits light with a wavelength of 450 to 500 nm corresponding to the first current to the external device. | 12-12-2013 |
20140030872 | NANO-STRUCTURE MANUFACTURING METHOD USING SACRIFICIAL ETCHING MASK - Disclosed is a nano-structure manufacturing method which includes: forming a first semiconductor composite layer, a semiconductor quantum structure layer, a second semiconductor composite layer, and a semiconductor quantum dot layer on a substrate in order; thermally treating the semiconductor quantum dot layer so that quantum dots of the semiconductor quantum dot layer are aggregated; and performing an etching process by using the aggregated quantum dots as a mask. | 01-30-2014 |
20140217441 | ANTIREFLECTION COATING USING SELF-ASSEMBLY NANO STRUCTURE AND MANUFACTURE METHOD THEREOF - In an aspect of the present disclosure, there is disclosed a manufacture method of an antireflection coating using a self-assembly nano structure, which includes forming a first metal droplet on a substrate by means of droplet epitaxy, depositing a first non-metal on the formed first metal droplet, and forming a first nano compound crystal by means of self-assembly of the deposited first non-metal and the first metal droplet. | 08-07-2014 |