Patents Assigned to Samsung Mobile Display
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Patent number: 8269413Abstract: An organic light emitting display device having spacers and a manufacturing method thereof. The organic light emitting display device according to the present invention includes a first substrate divided into a pixel region and a non-pixel region surrounding the pixel region; a plurality of organic light emitting diodes having each pixel formed on the first substrate and provided onto the pixel region; a second substrate for encapsulating the pixel region; and a spacer arranged between the first substrate and the second substrate, provided in at least on region between pixels as a non-light emission region and containing a desiccant.Type: GrantFiled: April 1, 2008Date of Patent: September 18, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Dong-won Han, Hyo-jin Kim
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Patent number: 8269803Abstract: A display device includes a plurality of pixels, each of said plurality of pixels includes a driving transistor and a light emitting diode, a compensator to receive first and second pixel currents generated by the plurality of pixels according to first and second data voltages respectively applied to the plurality of pixels, the compensator to calculate an image data compensation amount to compensate for variations in characteristics of the driving transistor of each of said plurality of pixels and a data selector to transmit the first and second data voltages to the plurality of pixels and to transmit the first and second pixel currents to the compensator, the compensator to measure the first and second pixel currents generated as a result of the first and second data voltages corresponding to different gray scale levels and to calculate an actual threshold voltage and mobility of the driving transistor of each of the pixels, the compensator including a measurement resistor, the compensator to control a resiType: GrantFiled: January 6, 2011Date of Patent: September 18, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Myoung-Hwan Yoo, Choon-Yul Oh, Naoaki Komiya, Ho-Ryun Chung, Joo-Hyeon Jeong, Wang-Jo Lee, In-Ho Choi, Chang-Ho Hyun, Woung Kim
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Patent number: 8269417Abstract: Disclosed are light emitting display and method of manufacturing the same. The light emitting display according to the present embodiments includes a first substrate including a plurality of light emitting devices and a pad portion, all of which are formed therein; a second substrate disposed to face the light emitting devices; and a bonding layer bonded to the light emitting devices and the second substrate, wherein a stepped portion is formed at a predetermined depth in an edge of the second substrate that is adjacent to the pad portion, and the bonding layer is extended to the stepped portion. Since the bonding layer is not bonded to the pad portion due to the depth of the stepped portion when the second substrate is bonded to the first substrate, poor electrical contact may be prevented, and it easy to remove the encapsulation substrate to expose the pad portion.Type: GrantFiled: June 16, 2008Date of Patent: September 18, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Young-seo Choi, Seung-yong Song, Young-cheol Joo, Ji-hun Ryu, Oh-june Kwon, Sun-young Jung
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Publication number: 20120229437Abstract: An organic light emitting display is disclosed. According to some aspects, the display includes a substrate having a display region and a peripheral region that surrounds the display region. The display further includes a pixel in the display region, and a contact unit in the peripheral region. The contact unit is configured to receive a common power signal from an external power source. A wiring line unit on the substrate provides a driving signal to the pixel. The pixel includes a first electrode provided on the substrate, an organic light emitting layer provided on the first electrode, and a second electrode that protrudes toward the contact unit on a plane to be electrically coupled to the contact unit. As a result, the area in which the second electrode overlaps the wiring line unit in the peripheral region is reduced and the parasitic capacitance that may be generated between the second electrode and the wiring line may be reduced.Type: ApplicationFiled: March 6, 2012Publication date: September 13, 2012Applicant: Samsung Mobile Display Co., Ltd.Inventors: Dong-Wook Park, Ki-Wook Kim, Keum-Nam Kim
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Publication number: 20120223349Abstract: A front side emitting type organic light-emitting display device includes a substrate; an anode electrode formed over the substrate; an organic layer formed over the anode electrode; a cathode electrode formed over the organic layer; a pair of transparent conductive oxide layers disposed over the cathode electrode; and a metal layer interposed between the pair of transparent conductive oxide layers.Type: ApplicationFiled: October 26, 2011Publication date: September 6, 2012Applicant: Samsung Mobile Display Co., Ltd.Inventors: Chang-Ho Lee, Hee-Joo Ko, Hyung-Jun Song, Il-Soo Oh, Jin-Young Yun, Bo-Ra Lee, Se-Jin Cho, Young-Woo Song, Jong-Hyuk Lee, Sung-Chul Kim
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Patent number: 8258523Abstract: A display device fabricated with a substrate; a display unit disposed on the substrate and including an electrode; a conductive protruding portion disposed along an outer side of the display unit and electrically connected to the electrode; a sealing substrate fixed to the substrate by an adhering layer surrounding substrate at the display unit and the conductive protruding portion, the adhering layer including a resin and a plurality of carbon fibers impregnated with the resin, and the sealing substrate including a through hole; a metal layer disposed at one side of the sealing substrate, facing the substrate, and contacting the conductive protruding portion electrically connected with the electrode; and a conductive connection portion filling the through hole and contacting the metal layer.Type: GrantFiled: April 29, 2011Date of Patent: September 4, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Hae-Yeon Lee, Chun-Seok Ko
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Patent number: 8259070Abstract: A display for a keypad and an electronic device including the display that can improve a user interface environment and stability of input in which the display for the keypad includes: a display panel having a first display region and second display regions; a circuit board disposed on the display panel and including a first opening corresponding to the first display region, second openings corresponding to the second display regions, and keys formed adjacent to the second openings; a touch panel, formed in the first display region in a shape corresponding to the first display region and arranged to fill the first opening; and a pad disposed on the circuit board and including pressing units formed to correspond to the keys.Type: GrantFiled: April 18, 2008Date of Patent: September 4, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Kyongdo Kim, Hyunah Jang, Hyungjun Namgung, Woojong Lee
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Patent number: 8257839Abstract: Provided are a polyvinyl pyrrole host material emitting highly efficient phosphorescence, a luminescent layer using the material, and an organic electroluminescent display device. The polyvinyl pyrrole host material shows highly efficient luminescence having improved energy transfer, and thus is useful for an organic electroluminescent display device and other various light emitting devices.Type: GrantFiled: June 20, 2011Date of Patent: September 4, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Jong-Jin Park, Byoung-Ki Choi, Tae-Yong Noh, O-Hyun Kwon, Myeong-Suk Kim, Yu-Jin Kim, Sang-Heon Hyun, Boris Aleksandrovich Trofimov
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Patent number: 8258691Abstract: An organic light emitting display apparatus using a micro cavity method comprises a first sub pixel, a second pixel and a third pixel, each of which emits different color from an emission layer interposed between two electrodes. The first sub pixel, the second sub pixel and the third sub pixel form a unit pixel. Emission layers of the first and second sub pixels are formed so as to have the same pattern throughout the first and second sub pixels, and an emission layer of the third sub pixel is formed so as to have a pattern separate from the first and second sub pixels. In this structure, three-colored emission layers may be formed using two mask processes so that productivity is improved due to process simplification, and high-resolution is realized due to a decrease in the distance between deposited patterns.Type: GrantFiled: September 22, 2011Date of Patent: September 4, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Sung-Soo Lee, Chang-Woong Chu, Se-Il Kim
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Patent number: 8259040Abstract: Disclosed is an organic light emitting display of improved an image quality. The organic light emitting display includes a frame memory for storing a data to correspond to a write clock and outputting the data stored according to a read clock; a signal generation unit for supplying the read clock; a data driver for converting the data, supplied from the frame memory, into a data signal and supplying the converted data signal to data lines; a scan driver for supplying a scan signal to scan lines; and pixels arranged near crossing points between the scan lines and the data lines, wherein the read clock has a higher frequency than the write clock.Type: GrantFiled: April 8, 2008Date of Patent: September 4, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Do-Hyung Ryu, Do-Ik Kim
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Patent number: 8258696Abstract: The present invention is to provide an organic light emitting display and a method of manufacturing the same. The light emitting display according to the present invention includes: a first substrate on which a plurality of light emitting devices having first electrodes, organic light emitting layers, and second electrodes are disposed; a second substrate disposed to face the first substrate; a dam member disposed between the first substrate and the second substrate to surround the plurality of light emitting devices; an inorganic sealing material disposed between the first substrate and the second substrate in an outer area of the dam member and attaching the first substrate to the second substrate; and a silicon filling material provided between the first substrate and the second substrate inward of the dam member to be in contact with the second electrodes.Type: GrantFiled: October 28, 2009Date of Patent: September 4, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Min-ho Oh, Yoon-Hyeung Cho, Byoung-duk Lee, So-young Lee, Sun-young Lee, Won-jong Kim, Yong-tak Kim, Jin-baek Choi, Jong-hyuk Lee, Seung-han Lee
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Patent number: 8258692Abstract: Aspects of the present invention relate to an organic light emitting diode (OLED) display and a manufacturing method thereof. The OLED display includes: a substrate; pixel electrodes disposed on the substrate; a pixel defining layer disposed on the substrate, having a plurality of openings that expose the pixel electrodes; an organic emission layer formed on the pixel electrodes; and a common electrode formed on the organic emission layer and the pixel defining layer. An electrode cut is formed in the common electrode, around one of the openings of the pixel defining layer, to electrically isolate a portion of the common electrode.Type: GrantFiled: August 14, 2009Date of Patent: September 4, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Sang-Mok Hong, Zail Lhee, Keun-Soo Lee
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Patent number: 8253141Abstract: A thin film transistor (TFT), a method of fabricating the same, and an organic light emitting diode (OLED) display device having the TFT. The TFT includes: a substrate; a polycrystalline silicon (poly-Si) semiconductor layer disposed on the substrate, including source, drain, and channel regions, a crystallization-inducing metal, first gettering sites disposed on opposing edges of the semiconductor layer, and a second gettering site spaced apart from the first gettering sites; a gate insulating layer disposed on the semiconductor layer; a gate electrode disposed on the gate insulating layer; an interlayer insulating layer disposed on the gate electrode; and source and drain electrodes disposed on the interlayer insulating layer and electrically connected to the source and drain regions of the semiconductor layer.Type: GrantFiled: July 14, 2009Date of Patent: August 28, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Byoung-Keon Park, Jin-Wook Seo, Tae-Hoon Yang, Kil-Won Lee
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Publication number: 20120212264Abstract: A coarse lock detector for a delayed locked loop (DLL) is disclosed. The coarse lock detector includes multiple detection cells. Each detection cell receives a delayed clock phase and an output of a previous detection cell as inputs. To increase time for the output of the previous detection cell to propagate, the detection cells are arranged in groups such that the output from the previous detection cell is generated by a detection cell which is more than one detection cell previous.Type: ApplicationFiled: February 16, 2012Publication date: August 23, 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: 8247819Abstract: An organic light emitting diode display includes a substrate member, a plurality of pixel electrodes formed on the substrate member, an organic emission layer formed on the pixel electrodes, and a first common electrode formed on the organic emission. A transmitting layer may be formed on the first common electrode and is configured to be substantially antireflective. A second common electrode may be formed on the transmitting layer and the first common electrode is electrically connected with the second common electrode.Type: GrantFiled: December 9, 2009Date of Patent: August 21, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Eun-Ah Kim, Noh-Min Kwak, Soon-Ryong Park, Joo-Hwa Lee, Hee-Chul Jeon, Woo-Suk Jung, Hee-Seong Jeong, Chul-Woo Jeong
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Patent number: 8249406Abstract: A laser system including an optical cable jumper with input and output terminals, and a laser gun, wherein the optical jumper transmits a laser beam from a bundle-type optical cable connected to an input terminal thereof to a single-type optical cable connected to an output terminal thereof. The laser gun is connected to the single-type optical cable at a rear of the optical cable jumper to illuminate the laser beam to a target object.Type: GrantFiled: December 11, 2009Date of Patent: August 21, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Hyun-Cheul Shin, Kyong-Taeg Lee, Won-Woong Jung, Tae-Wook Kang
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Patent number: 8247968Abstract: An electroluminescent display device may include a display area formed on one surface of a substrate. It may further include a first electrode layer, a second electrode layer, and an electroluminescent emission layer between the first and second electrode layers. It may also include an electrode power supply line that supplies electrode power to the display area. The electrode power supply line can be located at least partially on an outer periphery of the display area, and may directly contact the second electrode layer. An electrical component may be arranged under the electrode power supply line, and may have one or more conductive layers.Type: GrantFiled: August 19, 2011Date of Patent: August 21, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Won-Kyu Kwak, Kwan-Hee Lee
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Patent number: 8247826Abstract: Provided is an organic light emitting display device sealed maintaining durability by preventing permeation of oxygen and moisture and improving impact resistance. The light emitting display device includes a first substrate; a second substrate disposed facing toward the first substrate; an emission unit disposed between the first substrate and the second substrate and comprising a plurality of light emitting devices; a first sealant disposed between the first substrate and the second substrate, and surrounding the emission unit and combining the first substrate and the second substrate; a first region formed between around a flat portion of the first sealant and a margin of the second substrate; a second region formed between around a corner of the first sealant and a margin of the second substrate; a second sealant disposed in the first region; and a third sealant disposed in the second region.Type: GrantFiled: February 3, 2010Date of Patent: August 21, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Hee-Chul Jeon, Ji-Eun Kim, Jung-I Yun, Sang-Min Hong
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Patent number: 8247808Abstract: An organic light emitting lighting device that includes a transparent substrate, a first electrode layer formed on the substrate, an organic emission layer formed on the first electrode layer, a second electrode line formed of a plurality of second electrode lines disposed in parallel with each other on the organic emission layer, a first fuse unit having one end connected with the first electrode layer, and a plurality of second fuses having one end respectively connected to one end of the plurality of second electrode lines.Type: GrantFiled: September 9, 2010Date of Patent: August 21, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Sung-Jin Choi, Ok-Keun Song, Young-Mo Koo, Doo-Hwan Kim, Min-Woo Lee, Jae-Goo Lee
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Patent number: 8248346Abstract: Disclosed is a liquid crystal display including a liquid crystal panel that includes a plurality of liquid crystal cells for controlling light transmission, a common electrode driving circuit for providing a common voltage signal to a common electrode provided in the liquid crystal panel and a first signal driving circuit for providing a first signal to a transparent electrode provided in the liquid crystal panel. The first signal and the common voltage signal have the same frequency and amplitude, but are out of phase with each other. The transparent electrode is designed to cancel an acoustic noise generated by the application of the common voltage signal. The liquid crystal panel includes two substrates that face each other. In one embodiment, the common electrode and the transparent electrode are formed in the same substrate, and in another embodiment, the common electrode and the transparent electrode are formed in different substrates.Type: GrantFiled: July 31, 2008Date of Patent: August 21, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Sang-Uk Kim, Shawn Kim, Seong-Woock Hwang, In-Young Cho, Jeong-Min Park