Patents Assigned to Samsung Mobile Display
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Patent number: 8247274Abstract: A method of manufacturing an organic light-emitting display apparatus contemplates preparing a first substrate, preparing a second substrate, forming a first sealant and a second sealant on the second substrate, the first sealant having a height different from a height of the second sealant, injecting a filling material into a space surrounded by the first sealant and the second sealant, adhering the first substrate to the second substrate, and radiating an energy beam onto at least one of the first sealant and the second sealant.Type: GrantFiled: May 28, 2010Date of Patent: August 21, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Kyung-Jun Lee, Jeong-Moon Kim
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Patent number: 8247090Abstract: Provided are a heterocyclic compound represented by Formula 1 below and an organic electroluminescent device including an organic layer comprising the heterocyclic compound: wherein Ar1, Ar2, Ar3, R1, and R2 are the same as defined in the detailed description. The heterocyclic compound represented by Formula 1 has excellent electrical characteristics and an excellent charge transporting capability, and thus the heterocyclic compound of Formula 1 can be used as a hole injecting material, a hole transporting material, and/or a light emitting material that are suitable for all-color fluorescent and phosphorescent organic light emitting devices such as red, green, blue, and white fluorescent and phosphorescent organic light emitting devices. In addition, the organic electroluminescent device including an organic layer comprising the heterocyclic compound represented by Formula 1 can have a high efficiency, a low driving voltage, and high luminosity.Type: GrantFiled: August 5, 2009Date of Patent: August 21, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jeoung-In Yi, Il-Soo Oh
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Patent number: 8247809Abstract: An organic light emitting diode (OLED) display comprises: a substrate; a display unit formed on the substrate and including an organic light emitting element; an interception layer positioned at the outside of the display unit on the substrate; and a thin film encapsulation layer which is formed with a stacked film of an inorganic film and an organic film, which has an end portion contacting the interception layer, and which covers the entire display unit and at least a part of the interception layer.Type: GrantFiled: March 17, 2011Date of Patent: August 21, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventor: Tae-Jin Kim
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Patent number: 8248821Abstract: A flat panel display device having improved drop characteristics, that minimize a drop shock of the flat panel display device by controlling the size of a shock-absorbing tape, the flat panel display device including: a display panel having a display part to display an image and a pad part; a supporting member configured to support the display panel; and the shock-absorbing tape disposed between the display panel and the supporting member. The shock-absorbing tape is in contact with the display part of the display panel and ? to ? of the pad part of the display panel.Type: GrantFiled: December 8, 2009Date of Patent: August 21, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Chan-Kyoung Moon, Hyun-Cheul Kim, Hyun-Hee Lee, Dong-Su Yee, Jung-Ho Hwang, Dai-Han Cho, Min-Su Kim, Chan-Hee Wang
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Patent number: 8247266Abstract: A thin film transistor (TFT) using an oxide semiconductor layer as an active layer, a method of manufacturing the TFT, and a flat panel display (FPD) including the TFT are taught. The TFT includes a gate electrode formed on a substrate, an oxide semiconductor layer electrically insulated from the gate electrode by a gate insulating layer, and the oxide semiconductor layer including a channel region, a source region, and a drain region, and a source electrode and a drain electrode respectively electrically contacting the source region and the drain region. The oxide semiconductor layer is formed of an InZnO or IZO layer (indium zinc oxide layer) including Zr. The carrier density of the IZO layer is controlled to be 1×1013 to 1×1018 #cm?3 by controlling an amount of Zr.Type: GrantFiled: May 6, 2011Date of Patent: August 21, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Jin-Seong Park, Kwang-Suk Kim, Jong-Han Jeong, Jae-Kyeong Jeong, Steve Y. G. Mo
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Patent number: 8247316Abstract: A transistor includes a substrate, an active region including a source region, a channel region, and a drain region which are crystallized using an SGS crystallization method and are formed on the substrate so that a grain size of a first annealed portion and a second annealed portion are different from each other, a gate insulating layer formed on the active region, and a gate electrode formed on the gate insulating layer.Type: GrantFiled: May 13, 2010Date of Patent: August 21, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Byoungkeon Park, Taehoon Yang, Jinwook Seo, Seihwan Jung, Kiyong Lee, Maxim Lisachenko
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Publication number: 20120206176Abstract: A coarse lock detector is disclosed. The course lock detector uses an initial lock range to determine course lock, and once course lock is achieved, uses a modified lock range to determine course lock.Type: ApplicationFiled: February 16, 2012Publication date: August 16, 2012Applicant: Samsung Mobile Display Co., Ltd.Inventors: Moon-Sang Hwang, Won-Jun Choe, Han-Kyu Chi, Deog-Kyoon Jeong
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Patent number: 8242686Abstract: An organic light emitting display is formed with a plurality of display panels that are cut and separated from a mother substrate to form a unit display panel. Here, the substrate has a groove on its outer surface to improve the deformation strength of the cutting surface and to protect the strength of the panel from being degraded by improving the quality of the cutting cross-section. The organic light emitting display includes: a first substrate formed with a plurality of display panels partitioned by a cutting line and having a first groove on its outer surface corresponding to the cutting line; and a second substrate overlapped with an upper part of the first substrate and having a second groove on its outer surface corresponding to the cutting line, wherein the first and second grooves are formed with cutting positions lower than that of the outer surfaces of the respective substrates.Type: GrantFiled: November 18, 2009Date of Patent: August 14, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Oh-June Kwon, Kwan-Hee Lee, Seung-Yong Song
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Patent number: 8242490Abstract: An organic light emitting device is disclosed. In one embodiment, the device includes a plurality of pixels formed on a substrate, wherein each of the pixels includes: a first electrode layer formed on the substrate; an organic emission layer formed on the first electrode layer and a second electrode layer formed on the organic emission layer. Further, at least one of the first electrode layers of the pixels is externally patterned.Type: GrantFiled: July 6, 2010Date of Patent: August 14, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Sang-Min Hong, Hee-Chul Jeon, Sung-Joo Hwang
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Patent number: 8241933Abstract: An organic light emitting diode display and a method of manufacturing the display, the organic light emitting diode display including: a substrate; a semiconductor layer formed on the substrate, having a channel region, a source region, and a drain region; a gate insulating layer covering the semiconductor layer; a gate electrode formed on the channel region; and an interlayer insulating layer covering the gate electrode. Source and drain electrodes are formed on the interlayer insulating layer, and are connected to the source and drain regions, respectively. A pixel electrode extends from the drain electrode, in the same plane as the source and drain electrodes. The source and drain electrodes each have a first conductive layer formed of a transparent conductive material, and a metallic second conductive layer formed on the first conductive layer. The pixel electrode is formed from the first conductive layer.Type: GrantFiled: December 24, 2009Date of Patent: August 14, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Sun-Youl Lee, Koji Suzuki
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Patent number: 8242981Abstract: A pixel is provided including an OLED having anode and cathode electrodes. A second transistor controls current supplied from a first power supply to a second power supply via the OLED. A first transistor is coupled between a gate electrode of the second transistor and a data line and is configured to turn on when a scan signal is supplied to a scan line. A first capacitor is coupled between the first power supply and the gate electrode. A second capacitor is coupled between the anode electrode and the gate electrode. A fourth transistor is coupled between the second capacitor and the anode electrode and is configured to turn on when a control signal is supplied to a control line. A third transistor is coupled between the second transistor and the anode electrode and is configured to turn off when a signal is supplied to a light emitting control line.Type: GrantFiled: February 25, 2009Date of Patent: August 14, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventor: Yang-Wan Kim
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Patent number: 8242688Abstract: An organic light emitting display and a method of manufacturing the same are disclosed. In one embodiment, the display includes i) a first substrate, ii) a second substrate facing the first substrate and iii) a display unit formed between the first and second substrates and including organic light emitting diodes (OLEDs). The display further includes i) a sealant formed between the first and second substrates so as to substantially surround the display unit, wherein the first and second substrates are bonded to each other via the sealant and ii) a filler formed at an inner side of the sealant to cover the display unit, and wherein a magnetic substance is dispersed in the filler.Type: GrantFiled: March 11, 2011Date of Patent: August 14, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Oh-June Kwon, Seung-Yong Song, Young-Seo Choi, Ji-Hun Ryu, Jin-Hwan Jeon, Sun-Young Jung, Charles Joo, Kwan-Hee Lee, Min-Soo Kim
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Patent number: 8242980Abstract: 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.Type: GrantFiled: July 19, 2007Date of Patent: August 14, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Sang Moo Choi, Wang-Jo Lee
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Patent number: 8243057Abstract: An organic electroluminescent display and driving method thereof. The organic electroluminescent display includes a demultiplexer for outputting signals provided by a data driver to a plurality of data lines according to on/off operation of analog switches. The driving method divides a frame into two parts, and drives them. Data signals are applied to pixels which are not adjacent among the pixels of each row during the former ½ frame, and the data signals are applied to the pixels to which no data signal has been applied in the former ½ frame during the latter ½ frame.Type: GrantFiled: April 7, 2004Date of Patent: August 14, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventor: Dong-Yong Shin
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Patent number: 8242984Abstract: An organic light emitting display includes pixels positioned at crossing regions of scan lines, emission control lines, and data lines. Each of the pixels positioned on an ith horizontal line includes an organic light emitting diode (OLED), a first transistor coupled between a corresponding one of power source lines and an anode electrode of the OLED for controlling current supplied to the OLED, a second transistor turned on when a scan signal is supplied to an ith scan line for supplying the data signal from a corresponding one of the data lines to a gate electrode of the first transistor, a third transistor coupled between the first transistor and the corresponding one of the power source lines and having a gate electrode coupled to an ith emission control line, and a storage capacitor coupled between the gate electrode of the first transistor and the anode electrode of the OLED.Type: GrantFiled: February 25, 2010Date of Patent: August 14, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventor: Sang-Moo Choi
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Patent number: 8243034Abstract: An organic light emitting display device includes: a substrate; an organic light emitting unit on the substrate; a sealing substrate sealing the organic light emitting unit; and a touch panel on the sealing substrate, and configured for polarizing light, wherein the touch panel includes a first film on the sealing substrate and a second film spaced from the first film and on the first resistive layer.Type: GrantFiled: July 20, 2009Date of Patent: August 14, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventor: Eun-Ah Kim
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Patent number: 8242989Abstract: An organic light emitting display includes a plurality of pixels arranged at intersecting points of data lines, scan lines and light emitting control lines; a sensing unit extracting a signal corresponding to a degradation level of organic light emitting diodes provided in each of the pixels; a storage unit storing the signal obtained from the sensing unit, calculating degradation level information of the organic light emitting diodes using the stored signal and storing the calculated information; a conversion unit for converting an input data (Data) into a correction data (Data?) using the degradation level information stored in the storage unit; and a data driver for receiving the correction data (Data?) outputted from the conversion unit and generating data signals to be supplied to the circuits.Type: GrantFiled: January 15, 2009Date of Patent: August 14, 2012Assignees: Samsung Mobile Display Co., Ltd., IUCF-HYU (Industry University Cooperation Foundation Hanyang University)Inventor: Oh-Kyong Kwon
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Patent number: 8242692Abstract: The present invention relates to an organic light emitting diode (OLED) display and a manufacturing method thereof. The OLED display includes a substrate member that includes a plurality of pixel areas. A thin film transistor (TFT) is formed on the substrate member and includes a gate electrode, a source electrode, and a drain electrode. A planarization layer is formed on the TFT and includes a contact hole through which the drain electrode is partially exposed. A pixel electrode is formed on the planarization layer and is connected to the drain electrode of the TFT through the contact hole. A pixel defining layer is formed on the planarization layer and has a through opening. Light scattering spacers are formed on the pixel defining layer to scatter reflected light and may have various shapes and dimensions.Type: GrantFiled: August 20, 2009Date of Patent: August 14, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Eun-Ah Kim, Hee-Chul Jeon, Woo-Suk Jung, Hee-Seong Jeong, Joo-Hwa Lee, Chul-Woo Jeong, Noh-Min Kwak, Soon-Ryong Park
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Patent number: 8242983Abstract: An pixel of an organic light emitting display device includes: an organic light emitting diode (OLED); a second transistor for supplying a current to the OLED; a first transistor coupled between a data line and a gate electrode of the second transistor, the first transistor being turned on when a scan signal is supplied to its gate electrode; a third transistor for supplying an initialization voltage to a drain electrode of the second transistor, the third transistor being turned on when a control signal is supplied to its gate electrode; a fourth transistor coupled between the drain electrode of the second transistor and a first power supply, the fourth transistor being turned-off when a light emitting control signal is supplied to its gate electrode and turned-on when the light emitting control signal is not supplied; and a storage capacitor coupled between the source and gate electrodes of the second transistor.Type: GrantFiled: April 16, 2009Date of Patent: August 14, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Myoung-Hwan Yoo, Keum-Nam Kim
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Patent number: 8237356Abstract: An organic light emitting display device including: a substrate; a sealing member; an organic light emitting device between the substrate and the sealing member and for displaying images; a selective light absorbing layer on a surface of the sealing member facing the organic light emitting device and including pigments for selectively absorbing light; and a black matrix layer on the selective light absorbing layer corresponding to non-emission areas of the organic light emitting device.Type: GrantFiled: March 9, 2011Date of Patent: August 7, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Yoon-Hyeung Cho, Jong-Hyuk Lee, Min-Ho Oh, Byoung-Duk Lee, So-Young Lee, Sun-Young Lee, Won-Jong Kim, Yong-Tak Kim, Jin-Baek Choi