Abstract: A semiconductor device includes a comparator, an internal voltage generator, a control signal generator, and a selector. The comparator may compare a reference voltage to an internal voltage and output a comparison signal. The internal voltage generator may generate and output the internal voltage in response to the comparison signal. The control signal generator may generate a control signal. The selector may receive first and second target voltages, and select and output one of the first and second target voltages as the reference voltage in response to the control signal.
Abstract: A memory device includes a MOS transistor including a gate structure, a first impurity region, a second impurity region, and a floating body positioned between the first and the second impurity regions on a semiconductor substrate including a buried oxide layer. The memory device includes a charge storage structure of the non-volatile memory device electrically connected to the second impurity region of the MOS transistor.
Abstract: A universal frame for connecting a semiconductor device to a test device, the universal frame including a connector for establishing a connection between the semiconductor device and the test device; a head part fixing a position of the connector; a body part fixing a position of the head part, the body part being configured to accommodate the semiconductor device; and a guide unit within the body part, the guide unit being configured to receive the semiconductor device at an end of the body part opposite to an end of the body part fixing the position of head part, and being configured to accommodate the semiconductor device
Type:
Grant
Filed:
January 19, 2011
Date of Patent:
August 28, 2012
Assignee:
Samsung Electronics Co., Ltd.
Inventors:
Jounghee Shin, Sungho Chang, Byeongdae Park
Abstract: A method of forming a pattern and a photoresist composition, the method including forming a photoresist film on a substrate by coating a photoresist composition thereon, the photoresist composition including a polymerized photoresist additive, a polymer including an acid-labile protective group at a side chain, a photoacid generator, and a solvent; exposing the photoresist film; and forming a photoresist pattern by developing the photoresist film using an aqueous alkali developer, wherein the polymerized photoresist additive includes a hydrophilic repeating unit having an aliphatic hydrocarbon backbone and a side chain containing an oxygen heteroatom in a heterocyclic ring substituted with at least three hydroxyl groups, and a hydrophobic repeating unit having an aliphatic hydrocarbon backbone and a side chain containing a fluorinated aliphatic hydrocarbon group.
Type:
Grant
Filed:
April 19, 2010
Date of Patent:
August 21, 2012
Assignee:
Samsung Electronics Co., Ltd.
Inventors:
Ji-Man Park, Young-Ho Kim, Hyo-Jin Yun, Sun-Yul Ahn, Song-Se Yi, Kyung-Woo Park
Abstract: A phase-change memory device and its firing method are provided. The firing method of the phase-change memory device includes applying a writing current to phase-change memory cells, identifying a state of the phase-change memory cells after applying the writing current, and applying a firing current, in which an additional current is added to the writing current, to the phase-change memory cells in accordance with the state.
Type:
Grant
Filed:
January 10, 2012
Date of Patent:
August 21, 2012
Assignee:
Samsung Electronics Co., Ltd.
Inventors:
Ki-won Lim, Won-ryul Chung, Young-ran Kim
Abstract: An apparatus for testing an electrical property of a semiconductor device includes a substrate support unit, a tester head above the substrate support unit, the tester head including a base, a probe card connected to the base of the tester head, and a temperature control unit within the base of the tester head, the temperature control unit being configured to control temperature of the probe card by heat transfer with the probe card.
Type:
Grant
Filed:
February 4, 2010
Date of Patent:
August 21, 2012
Assignee:
Samsung Electronics Co., Ltd.
Inventors:
JaeHyun Yang, Soomin Byun, Kunhyung Lee, Ji-Young Son
Abstract: A material for an organic photoelectric device, the material including a compound including a pyridine moiety, the compound being a bipolar organic compound including both a hole transporting unit and an electron transporting unit, the compound being represented by the following Formula 1:
Type:
Grant
Filed:
October 13, 2009
Date of Patent:
August 21, 2012
Assignee:
Cheil Industries, Inc.
Inventors:
Eun-Sun Yu, Nam-Soo Kim, Young-Hoon Kim, Mi-Young Chae, Eui-Su Kang
Abstract: Provided are a heat recovery apparatus recovering heat generated from a membrane electrode assembly (MEA) and transmitting the heat to a fuel spreader so that a temperature difference between the MEA and the fuel spreader inside a fuel cell is reduced, and a fuel cell having the heat recovery apparatus. The fuel spreader supplies fuel having a uniform concentration to the MEA through the heat recovery apparatus, so that a fuel cell having a reduced total volume, a stable performance, and increased energy efficiency can be provided.
Type:
Grant
Filed:
May 14, 2008
Date of Patent:
August 21, 2012
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Jinho Kim, Jae-yong Lee, Kyung-hwan Choi, Lei Hu
Abstract: A method of forming an ion implantation mask includes forming a field area on a semiconductor substrate, forming an amorphous carbon layer on the semiconductor substrate, forming a hard mask layer on the amorphous carbon layer, forming an etching mask pattern on the hard mask layer, and etching the hard mask layer and the amorphous carbon layer to expose the field area through the etching mask pattern, wherein etching the hard mask layer and the amorphous carbon layer forms a hard mask layer pattern and an amorphous carbon layer pattern.
Abstract: A method and apparatus for tuning a phase of a data clock signal having a different frequency than a main clock signal. The method of tuning includes coarse tuning by receiving the data clock signal, dividing the data clock signal to generate a frequency-divided clock signal having a same frequency as the main clock signal, repeatedly shifting the frequency-divided clock signal to generate multiphase frequency-divided clock signals at a predetermined phase interval, comparing a phase of each of the multiphase frequency-divided clock signals with a phase of the main clock signal, and determining a phase shift amount based on a comparison result, and fine tuning by comparing a phase of a multiphase frequency-divided clock signal corresponding to the phase shift amount with the phase of the main clock signal and adjusting the phase of the data clock signal by a predetermined phase step based on the comparison result.
Type:
Grant
Filed:
March 7, 2011
Date of Patent:
August 14, 2012
Assignee:
Samsung Electronics Co., Ltd.
Inventors:
Seung Jun Bae, Kwang Il Park, Sam Young Bang, Gil Shin Moon, Ki Woong Yeom
Abstract: A pixel circuit includes first, second, and third transistors, and first and second capacitors, wherein the first transistor is controlled by a scan line and is configured to controllably couple a data line to the first capacitor and a gate electrode of the second transistor, the second transistor is controlled by a voltage provided by the first and second capacitors, the third transistor is controlled by the scan line and is configured to controllably couple a first power supply to the second capacitor, and the first power supply is controllably coupled to a light source by the second transistor.
Abstract: An organic light emitting display device including a plurality of scan lines arranged in a first direction, a plurality of data lines arranged in a second direction, the plurality of data lines intersecting with the plurality of scan lines, and pixels respectively disposed at intersection portions of the scan and data lines, each pixel including at least one thin film transistor (TFT) and an organic light emitting diode, wherein the TFT is an oxide TFT, the oxide TFT including a first oxide semiconductor layer as an active layer, and a second oxide semiconductor layer is disposed between intersecting scan and data lines.
Type:
Grant
Filed:
May 27, 2010
Date of Patent:
August 7, 2012
Assignee:
Samsung Mobile Display Co., Ltd.
Inventors:
Hui-Won Yang, Yeon-Gon Mo, Jin-Seong Park, Min-Kyu Kim, Tae-Kyung Ahn, Hyun-Joong Chung
Abstract: A photocationically polymerizable adhesive composition and an optical member, the photocationically polymerizable adhesive composition including about 75 to about 99.8 parts by weight of a compound including one of aliphatic epoxy, alicyclic epoxy, oxetane, and vinyl ether compounds, about 0.1 to about 5 parts by weight of a titanate coupling agent, and about 0.1 to about 20 parts by weight of a photopolymerization initiator, wherein a sum of weights of the compound, the titanate coupling agent, and the photopolymerization initiator is 100 parts by weight.
Type:
Grant
Filed:
April 22, 2011
Date of Patent:
August 7, 2012
Assignee:
Cheil Industries, Inc.
Inventors:
Cheong Hun Song, Hiroshi Ogawa, Tatsuhiro Suwa
Abstract: Provided is a method for fabricating a nonvolatile memory device capable of improving charge retention characteristics. The method for fabricating a nonvolatile memory device includes forming a charge trapping layer with a memory region and a charge blocking region on a semiconductor substrate, and trapping charges in the charge blocking region of the charge trapping layer.
Abstract: A level shift circuit includes a level shifter, the level shifter configured to receive input signals and generate level-shifted signals by level-shifting the input signals, an output buffer that includes a first sourcing circuit and a first sinking circuit, the first sourcing circuit and the first sinking circuit being connected in series between a first power and a second power, a first buffer coupled between the level shifter and the output buffer, the first buffer configured to buffer the level-shifted signals and provide a first driving signal to the first sourcing circuit, and a second buffer coupled between the level shifter and the output buffer, the second buffer configured to buffer the level-shifted signals and provide a second driving signal to the first sinking circuit.
Abstract: An organic light emitting display including a scan signal line forwarding a scan signal, a data line sending a data signal and a pixel coupled to the scan signal line and the data line, the organic light emitting diode display, wherein the pixel includes a first switching transistor transmitting a data signal from the data line in response to the scan signal of the scan signal line, a driving transistor, coupled to the first switching transistor, controlling driving current from a first power source line, a storage capacitor coupled between the driving transistor and the first power source line, an organic light emitting diode, coupled between the driving transistor and a second power source line, displaying an image with the driving current controlled by the driving transistor, an initial switching transistor, coupled between the storage capacitor and an initial power source line, initializing the storage capacitor, and a switching transistor for applying a reverse bias, coupled between the second power sour
Abstract: A sub-mount adapted for AC and DC operation of devices mountable thereon, light emitting devices including such a sub-mount, and methods of manufacturing such a sub-mount are provided. The sub-mount including a base substrate including a first surface and a second surface different from the first surface, a conductive pattern on the first surface, a first pair and a second pair of first and second electrodes on the second surface, and vias extending through the base substrate between the first and second surfaces, wherein the conductive pattern includes a first set of mounting portions and two via portions along a first electrical path between the first pair of first and second electrodes, and a second set of mounting portions and two via portions along a second electrical path between the second pair of first and second electrodes, the via portions connecting respective portions of the conductive pattern to respective electrodes of the first and second pair of first and second electrodes through the vias.
Abstract: An organic light emitting diode (OLED) display and a method of manufacturing the same, the OLED display including a flexible substrate, a driving circuit unit on the flexible substrate, the driving circuit unit including a thin film transistor (TFT), an organic light emission element on the flexible substrate, the organic light emission element being connected to the driving circuit unit, an encapsulating thin film on the flexible substrate, the encapsulating thin film covering the organic light emission element and the driving circuit unit, a first protection film facing the encapsulating thin film, a second protection film facing the flexible substrate, a first sealant disposed between the encapsulating thin film and the first protection film, and a second sealant disposed between the flexible substrate and the second protection film.
Type:
Grant
Filed:
June 4, 2010
Date of Patent:
August 7, 2012
Assignee:
Samsung Mobile Display Co., Ltd.
Inventors:
Tae-Woong Kim, Dong-un Jin, Dong-Bum Lee, Denis Stryakhilev
Abstract: A plasma display according to an exemplary embodiment of the present invention applies different driving methods according to a maximum grayscale level of image data input for one field. When the maximum grayscale level of the field is higher than a reference level, an address period for selecting a light emitting cell and a non-light emitting cell from a plurality of discharge cells and a sustain period for sustain-discharging light emitting cells among the plurality of discharge cells are simultaneously driven in a plurality of sequential subfields after a first subfield. When the maximum grayscale level of the field is less than the reference level, the address period and the sustain period are time-separately driven in the plurality of subfields.
Type:
Grant
Filed:
April 24, 2008
Date of Patent:
August 7, 2012
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Hyun-Seok Nam, Kang-Hee Lee, Soo-Hyun Kim, Tae-Kyoung Kang
Abstract: A method of correcting patterns includes attaining a correcting amount distribution map using a photo mask, the photo mask including a transparent substrate having first and second surfaces opposite to each other and a mask pattern on the first surface, attaining a plurality of shadowing maps based on the correction amount distribution map, each of the shadowing maps including a unit section having a different plane area, and forming a plurality of shadowing regions with shadowing elements in the transparent substrate of the photo mask using respective shadowing maps.