Patent application number | Description | Published |
20100246021 | FLAT PRISM SHEET FOR BACKLIGHT UNITS AND METHOD OF MANUFACTURING THE SAME - This invention relates to a flat prism sheet for backlight units and a method of manufacturing the same, and particularly, to a flat prism sheet, which has flat upper and lower surfaces and prism-shaped protrusions formed therein, and to a method of manufacturing the same. The flat prism sheet for backlight units according to this invention includes a lower layer, a first intermediate layer formed on the upper surface of the lower layer and having a plurality of prism-shaped protrusions formed parallel to each other, a second intermediate layer formed on the upper surface of the first intermediate layer, and an upper layer formed on the upper surface of the second intermediate layer, wherein an air layer is formed between the lower surface of the second intermediate layer and the valleys of the prism-shaped protrusions of the first intermediate layer. | 09-30-2010 |
20120281290 | DIFFUSER-INTEGRATED PRISM SHEET FOR BACKLIGHT UNITS AND METHOD OF MANUFACTURING THE SAME - A diffuser-integrated prism sheet is provided, in which diffuser layers are provided on the upper and lower surfaces of the prism sheet and prism-shaped protrusions are formed in the prism sheet. The prism sheet for backlight units includes a lower diffuser layer having a light diffusion structure, a lower layer formed on the lower diffuser layer, a first intermediate layer formed on the lower layer and having prism-shaped protrusions formed parallel to each other, a second intermediate layer formed on the first intermediate layer, an upper layer formed on the second intermediate layer, and an upper diffuser layer formed on the upper layer and having a light diffusion structure, wherein an air layer is formed between the lower surface of the second intermediate layer and the valleys of the prism-shaped protrusions of the first intermediate layer. Also, a method of manufacturing the diffuser-integrated prism sheet is provided. | 11-08-2012 |
20120281291 | DIFFUSER-INTEGRATED PRISM SHEET FOR BACKLIGHT UNITS AND METHOD OF MANUFACTURING THE SAME - A diffuser-integrated prism sheet is provided, in which diffuser layers are provided on the upper and lower surfaces of the prism sheet and prism-shaped protrusions are formed in the prism sheet. The prism sheet for backlight units includes a lower diffuser layer having a light diffusion structure, a lower layer formed on the lower diffuser layer, a first intermediate layer formed on the lower layer and having prism-shaped protrusions formed parallel to each other, a second intermediate layer formed on the first intermediate layer, an upper layer formed on the second intermediate layer, and an upper diffuser layer formed on the upper layer and having a light diffusion structure, wherein an air layer is formed between the lower surface of the second intermediate layer and the valleys of the prism-shaped protrusions of the first intermediate layer. Also, a method of manufacturing the diffuser-integrated prism sheet is provided. | 11-08-2012 |
20130010234 | OPTICAL FILM AND MANUFACTURING METHOD THEREOF, LIQUID CRISTAL DISPLAY APPARATUS USING THE OPTICAL FILM - An optical sheet having a single sheet structure for an edge-lighting backlight unit using a printless light guide plate, a method of manufacturing the same, and a liquid crystal display apparatus using the same are provided. The optical sheet having a single sheet structure includes a first prism sheet having a prism pattern formed on the upper surface thereof, and a second prism sheet having a prism pattern formed on the upper surface thereof. Further, prism ridges of the first prism sheet are attached to the bottom surface of the second prism sheet by means of an adhesive so that the prism pattern of the first prism sheet and the prism pattern of the second prism sheet are directed in the same direction. | 01-10-2013 |
20130063956 | DIFFUSER-INTEGRATED PRISM SHEET FOR BACKLIGHT UNITS AND METHOD OF MANUFACTURING THE SAME - A diffuser-integrated prism sheet is provided. The prism sheet for backlight units includes a lower diffuser layer having a light diffusion structure, a lower layer formed on the lower diffuser layer, a first intermediate layer formed on the lower layer and having prism-shaped protrusions formed parallel to each other, a second intermediate layer formed on the first intermediate layer, an upper layer formed on the second intermediate layer, and an upper diffuser layer formed on the upper layer and having a light diffusion structure, wherein an air layer is formed between the lower surface of the second intermediate layer and the valleys of the prism-shaped protrusions of the first intermediate layer. Also, a method of manufacturing the diffuser-integrated prism sheet is provided. | 03-14-2013 |
20130095297 | MULTI-SHEET FOR BACK LIGHT UNIT AND METHOD THEREOF - A composite sheet for a backlight unit using a printless light guide plate in a liquid crystal display television, which includes a first prism sheet positioned directly on the printless light guide plate, a second prism sheet having a prism pattern formed in a direction orthogonal to a direction of a prism pattern of the first prism sheet, and a protective sheet, where ribs of the first prism sheet are adhered to the lower surface of the second prism sheet, and ribs of the second prism sheet are adhered to the lower surface of the protective sheet. A method of manufacturing the composite sheet for a backlight unit is also provided. | 04-18-2013 |
20130235461 | DIFFUSER-INTEGRATED PRISM SHEET FOR BACKLIGHT UNITS AND METHOD OF MANUFACTURING THE SAME - A diffuser-integrated prism sheet is provided, in which diffuser layers are provided on the upper and lower surfaces of the prism sheet and prism-shaped protrusions are formed in the prism sheet. The prism sheet for backlight units includes a lower diffuser layer having a light diffusion structure, a lower layer formed on the lower diffuser layer, a first intermediate layer formed on the lower layer and having prism-shaped protrusions formed parallel to each other, a second intermediate layer formed on the first intermediate layer, an upper layer formed on the second intermediate layer, and an upper diffuser layer formed on the upper layer and having a light diffusion structure, wherein an air layer is formed between the lower surface of the second intermediate layer and the valleys of the prism-shaped protrusions of the first intermediate layer. | 09-12-2013 |
20130308194 | DIFFUSER-INTEGRATED PRISM SHEET FOR BACKLIGHT UNITS AND METHOD OF MANUFACTURING THE SAME - A diffuser-integrated prism sheet for backlight units includes: a lower diffuser layer having a light diffusion structure on a lower surface thereof; a lower layer on an upper surface of the lower diffuser layer; an intermediate layer formed on an upper surface of the lower layer and having prism-shaped protrusions; an upper layer on an upper surface of the intermediate layer; and an upper diffuser layer formed on an upper surface of the upper layer and having a light diffusion structure on an upper surface of the upper diffuser layer. An air layer is formed between a lower surface of the upper layer and valleys of the prism-shaped protrusions, and ridges of the prism-shaped protrusions and the lower surface of the upper layer are integrated with each other; and the light diffusion structure on the upper surface of the upper diffuser layer includes hemispherical protrusions. | 11-21-2013 |
Patent application number | Description | Published |
20090180048 | RECEIVING MEMBER, DISPLAY HAVING THE SAME, AND METHOD THEREOF - The present invention relates to a receiving member which accommodates a display panel which displays an image. The receiving member includes an insulated body portion having a bottom plate and sidewalls to define a receiving space, and at least one ground metal portion provided at a region of the insulated body portion, the at least one ground metal portion formed integrally with the insulated body portion. Accordingly, the body portion of the receiving member is formed of an insulated material, thereby reducing the weight of the receiving member and improving heat radiation. Further, a local metal portion is provided in the receiving member, thereby improving electromagnetic interference (“EMI”) and electrostatic discharge performances of elements such as a control board. | 07-16-2009 |
20100053054 | LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) includes: a gate-off voltage generator including a temperature compensation unit which includes a constant voltage output device and a temperature-sensing device and outputting a gate-off voltage whose level varies according to a change in ambient temperature; a clock generator receiving a gate-on voltage and the gate-off voltage and outputting a first clock signal and a second clock signal; a gate driver receiving the first clock signal and the second clock signal and outputting gate signals; and a plurality of pixels turned on or off in response to the gate signals and thus displaying images, wherein the constant voltage output device outputs a constant voltage whose value is determined by a voltage difference between a reference terminal and an input terminal of the constant voltage output device, and the temperature-sensing device provides an input voltage whose value varies according to the change in the ambient temperature, wherein the voltage difference between the reference terminal and the input terminal of the constant voltage output device does not substantially vary according to the ambient temperature. | 03-04-2010 |
20130241912 | LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) includes: a gate-off voltage generator including a temperature compensation unit which comprises a constant voltage output device and which outputs a gate-off voltage having a level which varies based on a change in ambient temperature;
| 09-19-2013 |
Patent application number | Description | Published |
20110206142 | RECEIVING SYSTEM FOR USE IN NEAR FIELD COMMUNICATION AND MODE DETECTION METHOD THEREFORE - A method of detecting a communication mode is provided to rapidly detect which one of near field communication (NFC) protocols includes a communication frame pattern of data provided to a receiving device. The method includes receiving a communication frame pattern of data transmitted from an NFC initiator after synchronizing the communication frame pattern with a predetermined sampling clock. The detection of the communication mode may be done by analyzing a start pattern out of the communication frame pattern. Since a communication mode is rapidly detected and data is automatically received without performing an additional operation to set the communication mode, operation performance of a receiving device is improved. | 08-25-2011 |
20110206160 | RECEIVING DATA COMPENSATION METHOD TO IMPROVE DATA RECEIVING RATE AND RECEIVING MODEM CIRCUIT THEREOF - Included in the present general inventive concept are a receiving data compensating method to improve a data receiving rate and a receiving modem circuit thereof. The receiving data compensating method may include measuring a receiving characteristic offset based on characteristics of a receiver according to first and second state data. After measuring the receiving characteristic offset, a first data sample time offset to correspond to the first state data and a second data sample time offset to correspond to the second state data are independently decided. The decided first and second data sample time offsets are applied during compensation of receiving data received through a receiver. A near field communication (NFC) multimedia device may implement the receiving data compensation method. | 08-25-2011 |
20130332756 | NEAR FIELD COMMUNICATION DEVICE AND POWER MANAGEMENT METHOD OF ELECTRONIC APPARATUS COMPRISING THE SAME - A near field communication device includes an RF power unit that generates an RF power supply voltage through wireless communication with an external communication device, a power detecting unit that detects an output level of a battery connected to the near field communication device, a driving control unit that controls the near field communication device, and a switching control unit that controls a supply of a power supply voltage to the driving control unit from the RF power unit or the battery. The switching control unit controls the supply of the power supply voltage based on at least one of the output level of the battery, a power on/off state of an electronic apparatus including the near field communication device, whether the electronic apparatus is connected to the battery, and whether the RF power supply voltage is generated. | 12-12-2013 |
20150049795 | RECEIVING DATA COMPENSATION METHOD TO IMPROVE DATA RECEIVING RATE AND RECEIVING MODEM CIRCUIT THEREOF - Included in the present general inventive concept are a receiving data compensating method to improve a data receiving rate and a receiving modem circuit thereof. The receiving data compensating method may include measuring a receiving characteristic offset based on characteristics of a receiver according to first and second state data. After measuring the receiving characteristic offset, a first data sample time offset to correspond to the first state data and a second data sample time offset to correspond to the second state data are independently decided. The decided first and second data sample time offsets are applied during compensation of receiving data received through a receiver. A near field communication (NFC) multimedia device may implement the receiving data compensation method. | 02-19-2015 |
Patent application number | Description | Published |
20100231293 | APPARATUS FOR TYPE-A DEMODULATION AND INTEGRATED CIRCUIT CARD INCLUDING THE SAME - A type-A demodulator comprising a first rectifier configured to rectify a radio frequency (RF) signal received through an antenna and output a first voltage, a second rectifier configured to rectify the voltage of the RF signal received through the antenna and output a second voltage having a different voltage level than the first voltage, and a pause data detector configured to compare the first voltage with the second voltage and detect received pause data. | 09-16-2010 |
20140017997 | DATA RECEIVER FOR NEAR FIELD COMMUNICATION AND WIRELESS COMMUNICATION SYSTEM INCLUDING THE SAME - A data receiver for near field communication (NFC) includes an analog receiving unit and a digital processing unit. The analog receiving unit is configured to output one of received first data and modified received second data, according to an operation mode, the modified received second data being in-phase data and quadrature-phase data generated based on the received second data. The digital processing unit is configured to, determine a sampling characteristic of a first channel based on a first offset value, determine a sampling characteristic of a second channel based on a second offset value, detect a communication protocol of the received first data based on the first and second channels, and decode and store the received first data based on the detected communication protocol of the first data. | 01-16-2014 |
20140314193 | WIRELESS DATA RECEIVING DEVICE AND A METHOD OF RECEIVING WIRELESS DATA USING THE SAME - A method of receiving wireless data is provided. The method includes generating a plurality of local clocks having different delayed phases with respect to a carrier wave during a carrier wave period and receiving a data packet using the plurality of local clocks. The plurality of local clocks includes at least a first local clock and a second local clock. The first local clock has a 0 degree delayed phase with respect to the carrier wave. The second local clock has a 90 degree delayed phase with respect to the carrier wave. | 10-23-2014 |
20150094006 | RECEIVER OF NFC DEVICE AND NFC DEVICE INCLUDING THE SAME - A receiver of a near field communication device includes a local oscillator, a first channel, and a second channel. The local oscillator may be configured to generate a first local oscillating signal. The first channel may be configured to process an input signal by mixing the input signal with the first local oscillating signal. The second channel may be configured to process the input signal by mixing the input signal with a second local oscillating signal that has a phase difference of 90 degrees with respect to the first local oscillating signal. Each of the first and second channels may include a comparator unit that includes a comparator configured to compare, in a comparator mode, an amplifier output signal with a reference voltage whose level increases in a step-wise manner and the comparator unit may be configured to set a level of the reference voltage to be used in a normal mode based on an output signal of the comparator. | 04-02-2015 |
Patent application number | Description | Published |
20120212974 | DISPLAY MODULE AND DISPLAY APPARATUS - A display module and display apparatus are disclosed. The display module including a light guide member, a bottom chassis disposed under the light guide member, and at least one light-emitting diode which irradiates light toward a side face of the light guide member. The diode is disposed to be in contact with the bottom chassis. Thus, heat generated from the light-emitting diode may be efficiently discharged from the bottom chassis. The display apparatus includes the display module. | 08-23-2012 |
20120294042 | LED MODULE, BACKLIGHT UNIT INCLUDING THE LED MODULE, AND METHOD FOR MANUFACTURING THE LED MODULE - A light emitting diode (LED) module having a structure capable of effectively dissipating heat generated from an LED chip thereof, and a backlight unit including the same are disclosed. The LED module includes a base made of a metal material, an insulating layer provided on the base, a circuit layer provided on the insulating layer, an LED package provided on the circuit layer, and a bonding layer extending through the insulating layer and the circuit layer, to connect the LED package to the base. | 11-22-2012 |
20130094246 | BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - A backlight unit, a display module and a display device capable of effectively distributing heat inside, the display device including a display panel, a bottom sash disposed at a rear side of the display panel, a plurality of light emitting diodes (LEDs) configured to provide the display panel with light, at least one printed circuit board (PCB) which is disposed at an edge of a front surface of the bottom sash and on which the plurality of LEDs are mounted, and at least one heat radiation sheet mounted on the bottom sash to distribute heat emitted from the plurality of LEDs. | 04-18-2013 |
Patent application number | Description | Published |
20140233591 | METHOD FOR SHARING OPTICAL FIBER FOR CLOUD-BASED WIRED AND WIRELESS ACCESS NETWORK, AND SYSTEM AND APPARATUS FOR SAME - A system for sharing an optical fiber for a cloud-based wired and wireless access network, includes: a centralization device to generate summing signals by respectively summing multi-channel optical signals input from a wireless donor unit group and by summing multi-channel wired signals input from a wired donor unit group or generate wavelength-converted signals by wavelength-converting the multi-channel optical signals or the multi-channel wired signals, multiplex the summing signals or the wavelength-converted signals, and distribute the summing signals or the wavelength-converted signals to a plurality of devices connected to the centralization device via a shared optical fiber; and a distribution device group to generate corresponding optical signals by demultiplexing the summing signals or the wavelength-converted signals in units of wavelengths, and transmit the corresponding optical signals or the multi-channel wired signals to a wireless remote unit group and/or a wired remote unit group via a preset optical fiber. | 08-21-2014 |
20150071650 | BI-DIRECTIONAL OPTICAL TRANSCEIVER MODULE - A bi-directional optical transceiver module includes: an optical transmission unit to output a transmission signal; an optical reception unit to receive a reception signal, the transmission signal and the reception signal having different corresponding first and second wavelength values within a single channel; a splitter, inclined with respect to an incident direction of the transmission signal output from the optical transmission unit, to transmit the transmission signal to an outside, and reflect optical signals input from the outside, the optical signals including the reception signal; and a reflected light-blocking optical filter unit to pass, as the reception signal among the optical signals reflected by the splitter, an optical signal within a preset wavelength range including the second wavelength value. | 03-12-2015 |
Patent application number | Description | Published |
20090291067 | Composition for treating cancer comprising adult stem cell culture or its fraction - The present invention provides a pharmaceutical composition for treating cancer, comprising a culture of adult stem cells or a fraction of the culture as an active ingredient. The culture of adult stem cells and its fraction, especially a specific fraction of adult stem cell culture, inhibit proliferation of a variety of cancer such as melanoma, pancreatic cancer, breast cancer, hepatic cancer, gastric cancer, colon cancer, lung cancer, and cervical cancer, thereby having excellent cancer-treating activity. The composition according to the present invention includes, not stem cells, but a complex of active proteins secreted from the stem cells, and thus both pharmaceutical problems in formulation and individual variation, which usually occurred when using stem cells, can be minimized. And also, side effects caused by direct administration of cells into the human bodies can be thoroughly prevented. | 11-26-2009 |