Abstract:
The present invention relates to a voltage supply device outputting stable output voltage by using a regulator. According to an embodiment of the present invention, the voltage supply device comprises: a non-overlapping clock generator for generating clock signals; a charge pump for outputting pumping voltage by receiving clock signals and responding to the received clock signals; and a regulator receiving pumping voltage and controlling the received pumping voltage to output output voltage. The regulator contains: a reference voltage circuit generating reference voltage based on the pumping voltage; a sampling device outputting distributed voltage by distributing the output voltage; an error amplifier outputting voltage difference between the distributed voltage and the reference voltage; and a pass element receiving pumping voltage and controlling pass voltage based on the output from the error amplifier to constantly maintain output voltage. [Reference numerals] (110) Non-overlapping clock generator; (120) Positive charge pump; (131) Reference voltage circuit; (133) Pass element
Abstract:
본 발명은 반도체 소자의 제조 방법에 관한 것으로, 하전된 금속 입자를 전기력 또는 자기력을 이용해 이동시켜서 비아 홀을 충진하므로 비아 홀의 하부에서부터 위로 충진이 이루어져서 비아 홀의 내부에 공극이 발생하지 않거나 최소화되고, 종래 기술에 따른 구리 전기도금 방식과 비교하면 본 발명은 매우 빠른 시간 내에 크고 깊은 비아 홀을 금속 입자로 채울 수 있어서 실리콘 관통 비아(TSV)의 공정 가격 및 공정 시간을 단축시키며, 수지성분이 많이 포함되어 있는 메탈 페이스트를 사용하는 건식 충진 방식과 비교하면 본 발명은 하전된 금속 입자를 사용함으로서 더 밀한 TSV 금속 배선을 형성할 수 있는 이점이 있다. TSV(through silicon via), 비아 충진(via filling), 3차원 패키징(3D packaging), 금속 입자(metal particle)
Abstract:
PURPOSE: An intaglio printing plate which includes an auxiliary pattern and a manufacturing method thereof are provided to improve accuracy of a pattern by uniformly filling ink on the edge of the pattern. CONSTITUTION: A pattern to be printed is located on a pattern part(100). A non-pattern part is arranged on a region which excludes the pattern part. An auxiliary pattern part(210) includes a repetition pattern of a predetermined shape formed within the pattern part. A part of the pattern part is divided by a pattern structure formed by the auxiliary pattern part. A cross sectional surface of a repetition pattern part has a mesh structure.
Abstract:
PURPOSE: An RFID(Radio Frequency ID) tag device equipped with a charge function is provided to recognize the RFID tag in a long distance and prevent the reducing of the recognition ratio due to the shortage of the electric power supply. CONSTITUTION: A charge unit(220) charges the specified voltage. The DC power supply unit (211) generates the power source from the RF signal. A block unit(214) connects/blocks the power source between the DC power supply and the power supply unit. An over voltage prevention part(215) is connected in the output terminal of the DC power supply and connected in parallel with the charge unit to prevent the over voltage of the charge unit. The power supply unit is connected to the output terminal of the DC power supply. The charge unit is charged with the power source generated from the DC power supply unit and the 'the external power source generated from the power supply unit.
Abstract:
PURPOSE: A method for forming a semiconductor device is provided to move charged metal particles by electric power or magnetic power to fill a via hole, thereby minimizing voids inside the via hole. CONSTITUTION: A via hole is formed in a semiconductor substrate(101). An insulating film is formed on the inner sidewall of the via hole. A diffusion preventing film(109) is formed on the semiconductor substrate and the inner sidewall of the via hole. Electrically charged metal particles are diffused in a solvent(111). The metal particles are moved using electric power or magnetic power so that the via hole is filled with metal particles(113,115).
Abstract:
PURPOSE: An inorganic light emitting device and a manufacturing method thereof are provided to simplify the manufacturing process and reduce the manufacturing cost by implementing the inorganic light emitting device without using a transparent electrode which requires complex process and high expense. CONSTITUTION: A patterned metal electrode(22) is formed on a substrate(21). An insulating layer(23) is spread on the patterned metal electrode. A fluorescent layer(24) for the emitting light is spread on the insulating layer. A mirror surface(27) for reflecting the light is spread on the fluorescent layer. A passivation layer(26) for the protecting the device is spread on the mirror surface.
Abstract:
Disclosed are a display tag apparatus and a method for high-recognition capable of removing the reduction in tag recognition due to various physical phenomena, capable of preventing damage to a product in which a tag is attached due to a result of the non-recognition of the tag, and capable of reducing time consumption for recognition and confirmation by rapidly classifying the tags by confirming the recognition condition of an RFID tag with a binocular method by attaching the manual RFID tag to a power save type display. According to an embodiment of the present invention, a user is able to rapidly identify the information of the tag with the binocular method by attaching the RFID tag to the display, is able to identify the tag located within the recognition range, and is able to identify the color, symbol, text of the tag with the binocular method.
Abstract:
PURPOSE: A nano wire grid polarizer manufacturing method is provided to use a nano imprint mold and to fill a nano metal particle in the nano pattern by hydrophilizing and hydrophobizing the surface of the nano pattern and autonomously aligning a metal paste or a nano metal ink in the nano pattern, thereby simplifying a manufacturing process, reducing manufacturing costs and implementing excellent productivity. CONSTITUTION: A nano wire grid polarizer manufacturing method includes following steps. In a nano pattern forming step, a nano pattern is formed by pressurizing thermosetting resins in a nano imprint mold after coating the thermosetting resins on a glass substrate(110). In a nano pattern processing step, the upper part of the nano pattern is hydrophobized, and the inside of the nano pattern is hydrophilized. In a nano metal particle filling step, a nano metal particle is filled inside the nano pattern. In a nano wire grid polarizer forming step, a nano wire grid polarizer(150) is formed by removing the nano pattern.
Abstract:
PURPOSE: A backlight unit and a liquid crystal display device with the same are provided to form a color image without using a color filter with large light loss, thereby increasing optical efficiency. CONSTITUTION: White light is incident on a light guide plate(101). A blue fluorescent sheet(111) is formed on the light guide plate. The blue fluorescent sheet transmits the white light. A multicolored fluorescent sheet(113) is formed on the same plane on the blue fluorescent sheet. The multicolored fluorescent sheet includes red fluorescent layers, green fluorescent layers, and transparent layers.
Abstract:
PURPOSE: An RFID(Radio Frequency Identification) reader, RFID tag, RFID communication method, and system thereof are provided to execute wireless communication through a serial communication protocol without using specific wireless communication protocols. CONSTITUTION: An RFID tag(220) includes tag information. The RFID tag provides interfaces by using a serial communication protocol. An RFID reader(210) reads the tag information by using the serial communication protocol from the RFID tag. The RFID tag includes a tag control module. The tag control module provides the RFID reader and the interfaces by using an I2C(Inter-Integrated Circuit) or an UART(Universal Asynchronous Receiver Transmitter).