Patents Represented by Attorney Innovation Counsel LLP
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Patent number: 8125420Abstract: An organic light-emitting display for improving an aperture ratio and increasing lifespan includes an organic light-emitting display panel in which pixel cells are formed, a gray-scale converter configured to convert a gray-scale of a pixel data signal by multiplying the pixel data signal which drives the pixel cells by a scale parameter, and a scale parameter generator configured to generate the scale parameter, wherein the scale parameter generator generates a scale parameter of a present frame by increasing or decreasing a scale parameter of a previous frame in proportion to a current difference obtained by subtracting a reference current value from a total current value of the pixel data signal which is gray-scale converted from the previous frame.Type: GrantFiled: July 29, 2008Date of Patent: February 28, 2012Assignee: Samsung Electronics Co., LtdInventors: Alexander Arkhipov, Kyong-Tae Park
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Patent number: 8125604Abstract: A liquid crystal display device includes a first substrate; a second substrate which faces the first substrate and comprises a common electrode; and a liquid crystal layer located between the first and second substrates, the first substrate comprises: a data line and a gate line which cross each other; and a pixel electrode which is bent at least once and comprises a first sub-pixel electrode and a second sub-pixel electrode which are separated from each other, the first sub-pixel electrode is extended along the direction of the data line, the second sub-pixel electrode comprises a first part located on the right side of the first sub-pixel electrode and a second part located on the left side of the first sub-pixel electrode, and the data line comprises a first data line passing through the first part and a second data line passing through the second part.Type: GrantFiled: October 31, 2007Date of Patent: February 28, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Seong-young Lee, Sahng-ik Jun, Dong-gyu Kim
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Patent number: 8125496Abstract: An apparatus for converting three-color image signals to four-color image signals including a white signal comprises a data processor which generates the four-color image signals from the three-color image signals, calculates distortion values associated with conversion to the four-color image signals, and calculates scaling factors from the distortion values, the scaling factors being used to scale image signals in generating the four-color image signals. A method for operating the apparatus is also provided.Type: GrantFiled: September 19, 2008Date of Patent: February 28, 2012Assignee: Samsung Electronics Co., Ltd.Inventor: Baek-Woon Lee
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Patent number: 8120598Abstract: A gates-line driving circuit of a display device includes a plurality of stages that are serially connected to each other, where each stage includes a plurality of transistors and a plurality of capacitors and receives a scanning start signal, a plurality of clock signals, and first and second gate-off voltages Voff1 and Voff2 of different magnitudes, where some of the transistors are turned off with the first gate-off voltage, and others of the transistors are turned off with the second gate-off voltage.Type: GrantFiled: September 27, 2007Date of Patent: February 21, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Seob Shin, Yeong-Koo Kim
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Patent number: 8113071Abstract: A method and a system for efficiently screening for dangerous threatening items in or on an animate subject (e.g., a person) are presented. The system includes a portal that accommodates an animate subject and a test unit that includes equipment for subjecting the animate subject to a combination of two or more tests. There are sensors located in the portal, wherein each of the sensors reads data resulting from testing the animate subject and generates an output signal. A computation unit receives the output signal from each of the sensors and processes the output signals in parallel to determine a risk factor based on parameters resulting from the two or more tests. The test unit may be coupled to a portal and an object unit, wherein the object unit is for screening inanimate subjects (e.g., bags, coats). The parallel acquisition and processing of the output signals enhances accuracy.Type: GrantFiled: February 4, 2008Date of Patent: February 14, 2012Assignee: Qylur Security Systems, Inc.Inventor: Alysia M. Sagi-Dolev
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Patent number: 8111005Abstract: In a voltage supply module and a backlight assembly having the same, a converter is disposed on a first face of a board and converts basic voltage into driving voltage. A capacitor includes at least one first electrode connected to an output line of the converter and at least one second electrode disposed to be spaced apart from the first electrode along a direction substantially parallel with the first face. A plurality of the second electrodes are disposed on the board between the first electrodes. The first and second electrodes form a ballast capacitance.Type: GrantFiled: December 15, 2008Date of Patent: February 7, 2012Assignee: Samsung Electronics Co., LtdInventors: Min-Soo Choi, Jae-Eun Um
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Patent number: 8111343Abstract: A display substrate includes a plurality of color filters formed on a base substrate, a gate line formed in a trench defined by at least one of the color filters and extended along a first direction, an insulation layer formed on the color filters and the gate line, a data line formed on the insulation layer to be extended along a second direction crossing the first direction, and pixel electrodes formed on the base substrate having the data line formed thereon.Type: GrantFiled: January 28, 2009Date of Patent: February 7, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Young-Wook Lee, Gug-Rae Jo, Jang-Soo Kim, Jae-Hyoung Youn, Byoung-Joo Kim, Min-Uk Kim, Kyoung-Keun Son
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Patent number: 8107047Abstract: A liquid crystal display (LCD) apparatus includes a first panel, a second panel, and a liquid crystal layer disposed between the first and second panels. The first panel includes a first transparent substrate having a pixel area, a thin film transistor disposed at the pixel area so as to output a pixel voltage, a first color filter disposed at the pixel area, the first color filter having a first edge, a second color filter disposed adjacent to the first color filter and having a second edge, the first edge and the second edge being overlapped to provide an overlapped area between the first color filter and the second color filter, a spacer disposed on the overlapped area between the first color filter and the adjacent second color filter, and a pixel electrode disposed on the first color filter so as to receive the pixel voltage. The spacer has a same material as one of the first color filter and the second color filter.Type: GrantFiled: November 21, 2003Date of Patent: January 31, 2012Assignee: Samsung Electronics Co., Ltd.Inventor: Jang-Kun Song
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Patent number: 8102496Abstract: An array substrate includes a plurality of gate lines, a plurality of data lines, a plurality of thin-film transistors, a plurality of pixel electrodes, a plurality of common voltage lines and a plurality of common electrodes. The gate lines extend in a first direction. The data lines extend in a second direction substantially perpendicular to the first direction. The thin-film transistor is electrically connected to the gate line and the data line. The pixel electrode is formed in each of pixels defined by the gate lines and the data lines. The common electrode is electrically connected to the common voltage line. The horizontal alignment of the liquid crystal molecules is not changed by externally applied vertical touch pressure so that display quality is improved.Type: GrantFiled: December 9, 2009Date of Patent: January 24, 2012Assignee: Samsung Electronics Co., Ltd.Inventor: Dong-Gyu Kim
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Patent number: 8102659Abstract: In a flexible printed circuit board and a liquid crystal display, the liquid crystal display includes a flexible printed circuit board electrically connecting a liquid crystal display panel that displays an image and a driving circuit board that outputs a driving signal. The flexible printed circuit board includes a base film, an insulating layer and a signal line disposed between the base film and the insulating layer. The base film or the insulating layer includes an opening formed therethrough. Also, the flexible printed circuit board includes a deformation prevention member by cutting-away an end thereof so as to prevent heat deformation of the flexible printed circuit board. Thus, the liquid crystal display may have reduced size and improved assembly efficiency.Type: GrantFiled: October 13, 2004Date of Patent: January 24, 2012Assignee: Samsung Electronics Co., Ltd.Inventor: Yeun-Mo Yeon
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Patent number: 8102475Abstract: A television system comprises a display panel holder for detachably holding a display panel for displaying images, and a signal processing module for receiving and processing signals containing displayable information from various external sources and supplying the signals to the display panel. The system enables the size of the display screen of an existing TV set to be easily increased in a cost-effective manner, thereby preventing a waste of resources.Type: GrantFiled: July 26, 2006Date of Patent: January 24, 2012Assignee: Samsung Electronics Co., Ltd.Inventor: Won-Kie Chang
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Patent number: 8102495Abstract: A first slit pattern is formed in a display substrate and a display panel of vertical alignment mode having the display substrate. The first slit pattern includes slits, a pair of projections and a pair of notches. A divergence point where the slits meet each other and an incision portion of the slits have the same function as the pair of projections in the generation of a singular point of liquid crystal. A contact hole exposing a part of an output electrode of a switching element is formed at a protective layer of an array substrate. A step recess is formed at a protective layer corresponding to a storage electrode, a divergence point of the slits is arranged to correspond to the storage electrode. The singular point of the liquid crystal is induced to occur at a regular position, and thus afterimages and spots can be prevented.Type: GrantFiled: April 6, 2009Date of Patent: January 24, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Hye-Seok Na, Byoung-Sun Na, Won-Hee Lee, Ho-Kyoon Kwon, Ji-Hyun Kwon
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Patent number: 8098340Abstract: A substrate for an LCD includes a transparent substrate, a pixel electrode, first and second storage wirings, and a storage duplication wiring. The pixel electrode is patterned as a unit pixel area on a thin film transistor layer formed on the substrate. The pixel electrode includes a first sub electrode receiving a first pixel voltage from the thin film transistor layer and a second sub electrode electrically separated from the first sub electrode and receiving a second pixel voltage. The first and second storage wirings are formed in the unit pixel area and respectively maintain the first and second pixel voltages during an image frame. The storage duplication wiring is formed along edges of the unit pixel area and is electrically connected to the first and second storage wirings. The substrate reduces pixel defects and improves display image quality.Type: GrantFiled: June 27, 2007Date of Patent: January 17, 2012Assignee: Samsung Electronics Co., Ltd.Inventor: Dong-Gyu Kim
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Patent number: 8098355Abstract: A liquid crystal display is provided, which includes: a first substrate; a first signal line formed on the first substrate; a second signal line formed on the first substrate and intersecting the first signal line; a thin film transistor connected to the first and the second signal lines; a pixel electrode connected to the thin film transistor; a second substrate; a common electrode formed on the second substrate; a liquid crystal layer interposed between the first substrate and the second substrate; and a tilt direction determining member formed on one of the first and the second substrates and having a notch that divides the domain determination member into a plurality of portions.Type: GrantFiled: November 20, 2008Date of Patent: January 17, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Jang-Kun Song, Sahng-lk Jun, Jae-Hong Jeon, Jae-Ho Lee, Jeong-Young Lee
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Patent number: 8094142Abstract: A display device includes pixels, each including a switching element; a shift register comprising stages coupled with the switching elements and sequentially generating output signals; clock signal lines transmitting clock signals; at least a control signal line transmitting a control signal; and terminal lines connecting the clock signal lines and the control signal with the stages, wherein the terminal lines comprise at least one common terminal line commonly connected with at least two stages.Type: GrantFiled: July 25, 2005Date of Patent: January 10, 2012Assignee: Samsung Electronics Co., Ltd.Inventor: Haeng-Won Park
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Patent number: 8089445Abstract: A display apparatus includes a switching element having a first gate electrode, a source and drain electrode, a channel area formed between the source and drain electrode, and a second gate electrode. The second gate electrode is electrically insulated from the first gate electrode through the channel area, and different control voltages are applied to the second gate electrode according to the control period of the first gate electrode. The different control voltages are applied to the second gate electrode according to the turn on/off states of the switching element for increasing the turn on current in the channel area and for minimizing the turn off (leakage) current in the channel area.Type: GrantFiled: April 2, 2007Date of Patent: January 3, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Kyoung-Ju Shin, Chong-Chul Chai, Joo-Ae Youn
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Patent number: 8089072Abstract: A method of manufacturing a thin film transistor array panel is provided, which includes: forming a gate line on a substrate; forming a gate insulating layer on the gate line; forming a semiconductor layer on the gate insulating layer; forming an ohmic contact on the semiconductor layer; forming a data line and a drain electrode on the ohmic contact; depositing a passivation layer on the data line and the drain electrode; forming a first photoresist layer on the passivation layer; etching the passivation layer and the gate insulating layer using the first photoresist layer as a mask to expose a portion of the drain electrode and a portion of the substrate; depositing a conductive film; and removing the photoresist layer; to form a pixel electrode on a portion of the drain electrode exposed by the etching of the passivation layer.Type: GrantFiled: May 26, 2010Date of Patent: January 3, 2012Assignee: Samsung Electronics Co., Ltd.Inventor: Dong-Gyu Kim
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Patent number: 8088653Abstract: A TFT includes a gate electrode, an active layer, a source electrode, a drain electrode, and a buffer layer. The gate electrode is formed on the substrate; the active layer is formed on the gate electrode. The source and drain electrodes, formed on the active layer, are separated by a predetermined distance. The buffer layer is formed between the active layer and the source and drain electrodes. The buffer layer has a substantially continuously varying content ratio corresponding to a buffer layer thickness. The buffer layer is formed to suppress oxidation of the active layer, and reduce contact resistance.Type: GrantFiled: October 22, 2009Date of Patent: January 3, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Byoung-June Kim, Sung-Hoon Yang, Min-Seok Oh, Jae-Ho Choi, Yong-Mo Choi
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Patent number: 8089598Abstract: A liquid crystal display device includes: a first substrate having a display region; a second substrate facing the first substrate; and a liquid crystal layer disposed between the first substrate and the second substrate, the first substrate comprising: a gate main line which is disposed in the display region; a gate pad which is disposed out of the display region; and a ballasting resistor which electrically connects the gate main line and the gate pad, and comprises a material having a larger resistivity than that of a predominant conductive material defining the gate main line.Type: GrantFiled: August 23, 2007Date of Patent: January 3, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Dong-gyu Kim, Byoung-sun Na
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Patent number: RE43079Abstract: The amorphous silicon layer overlaps the gate electrode and the edges of the amorphous silicon layer are substantially encompassed by the edges of the gate electrode. The distance between the edges is at least 2 microns. Accordingly, both the light obliquely incident on the amorphous silicon layer from the outside once the light normally incident on the amorphous silicon layer is blocked by the gate electrode. Insulation layers, which are separated from the amorphous silicon layer and made of an amorphous silicon, are interposed between the edges of the source/drain electrodes and the gate electrode to reinforce the insulation between the gate electrode and the source/drain electrodes and also to absorb the light reflected by the source/drain electrodes and the gate electrode. The source electrode may partially surround the drain electrode in annular shape, to reduce the parasitic capacitance generated between the gate electrode and the drain electrode.Type: GrantFiled: October 31, 2007Date of Patent: January 10, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Joo-Hyung Lee, Jae-Ho Huh, Dong-Gyu Kim