Patents by Inventor Myung-Won Song
Myung-Won Song has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240129749Abstract: Provided is a reflector/scatterer arranged around a side lobe beam which is generated from a transmission antenna, in a radiation direction of the side lobe beam, for use in expanding a communication service coverage area.Type: ApplicationFiled: June 13, 2023Publication date: April 18, 2024Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jung Ick MOON, Myung Sun SONG, In Kui CHO, Gwangzeen KO, Sang-Won KIM, Seong-Min KIM
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Publication number: 20150155492Abstract: A donor substrate for a laser induced thermal imaging method and method of fabricating an organic light emitting display device using the same are provided. A transfer layer for a laser induced thermal imaging method is made of an organic material having a molecular weight of 500 to 70,000 to fabricate an organic light emitting display device having a uniform organic layer pattern. The invention also provides a method of fabricating an organic light emitting display device which may achieve a large-sized pixel region as well as improve the productivity of the organic light emitting display device.Type: ApplicationFiled: February 9, 2015Publication date: June 4, 2015Inventors: Byung-Doo CHIN, Mu-Hyun Kim, Seong-Taek Lee, Myung-Won SONG
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Patent number: 8952608Abstract: A donor substrate for a laser induced thermal imaging method and method of fabricating an organic light emitting display device using the same are provided. A transfer layer for a laser induced thermal imaging method is made of an organic material having a molecular weight of 500 to 70,000 to fabricate an organic light emitting display device having a uniform organic layer pattern. The invention also provides a method of fabricating an organic light emitting display device which may achieve a large-sized pixel region as well as improve the productivity of the organic light emitting display device.Type: GrantFiled: December 22, 2004Date of Patent: February 10, 2015Assignee: Samsung Display Co., Ltd.Inventors: Byung-Doo Chin, Mu-Hyun Kim, Seong-Taek Lee, Myung-Won Song
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Patent number: 8809084Abstract: A laser induced thermal imaging method includes preparing a donor element and a substrate; facing a transfer layer of the donor element to the substrate and then patterning the transfer layer onto the substrate; and annealing the patterned substrate.Type: GrantFiled: December 27, 2004Date of Patent: August 19, 2014Assignee: Samsung Display Co., Ltd.Inventors: Mu-Hyun Kim, Byung-Doo Chin, Myung-Won Song, Seong-Taek Lee
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Patent number: 8741535Abstract: A laser irradiation device and a method of fabricating an organic light emitting display device (OLED) using the same are disclosed. The laser irradiation device includes: a laser source generating a laser beam; a mask disposed below the laser source and patterning the beam and a projection lens disposed below the mask and determining magnification of the laser beam through the mask, wherein the laser beam penetrating the mask has different doses in at least two regions. Thus, the laser irradiation device can maximize emission efficiency and enhance the quality of a transfer layer pattern when an organic layer of the OLED is formed using the laser irradiation device.Type: GrantFiled: June 18, 2013Date of Patent: June 3, 2014Assignee: Samsung Display Co., Ltd.Inventors: Jae-Ho Lee, Seong-Taek Lee, Mu-Hyun Kim, Nam-Choul Yang, Noh-Min Kwak, Young-Gil Kwon, Tae-Min Kang, Sok-Won Noh, Myung-Won Song, Sam-Il Kho
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Patent number: 8623583Abstract: A laser induced thermal imaging apparatus and a fabricating method of organic light emitting diodes using the same, which laminate an acceptor substrate and a donor film using a magnetic force in vacuum, and are used to form a pixel array on the acceptor substrate. A substrate stage includes a magnet or magnetic substance. The acceptor substrate has a pixel region for forming first, second, and third sub-pixels, and the donor film has an organic light emission layer to be transferred to the pixel region. A laser oscillator irradiates a laser to the donor film. A contact frame is adapted to be disposed between the substrate stage and the laser oscillator, and is used to form a magnetic force with the substrate stage. The contact frame includes an opening through which the laser passes. A contact frame feed mechanism moves the contact frame in a direction of the substrate stage.Type: GrantFiled: June 26, 2013Date of Patent: January 7, 2014Assignee: Samsung Display Co., Ltd.Inventors: Sok Won Noh, Seong Taek Lee, Mu Hyun Kim, Myung Won Song, Sun Hoe Kim, Jin Wook Seong
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Patent number: 8613989Abstract: A laser induced thermal imaging (LITI) apparatus and a method of making an electronic device using the same are disclosed. The LITI apparatus includes a chamber, a substrate support, a contact frame, and a laser source or oscillator. The LITI apparatus transfers a transferable layer from a film donor device onto a surface of an intermediate electronic device. The LITI apparatus uses a magnetic force to provide a close contact between the transferable layer and the surface of the intermediate device. The magnetic force is generated by magnetic materials formed in two components of the LITI apparatus that are spaced apart interposing transferable layer and the surface of the intermediate device. Magnets or magnetic materials are formed in the two following components of the LITI apparatus: 1) the intermediate device and the film donor device; 2) the intermediate device and the contact frame; 3) the substrate support and the film donor device; or 4) the substrate support and the contact frame.Type: GrantFiled: August 28, 2006Date of Patent: December 24, 2013Assignee: Samsung Display Co., Ltd.Inventors: Tae Min Kang, Jin Soo Kim, Mu Hyun Kim, Sun Hoe Kim, Noh Min Kwak, Sang Bong Lee, Seong Taek Lee, Seung Hyun Lee, Sok Won Noh, Jin Wook Seong, Myung Won Song, Yeun Joo Sung, Byeong Wook Yoo
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Publication number: 20130288415Abstract: A laser induced thermal imaging apparatus and a fabricating method of organic light emitting diodes using the same, which laminate an acceptor substrate and a donor film using a magnetic force in vacuum, and are used to form a pixel array on the acceptor substrate. A substrate stage includes a magnet or magnetic substance. The acceptor substrate has a pixel region for forming first, second, and third sub-pixels, and the donor film has an organic light emission layer to be transferred to the pixel region. A laser oscillator irradiates a laser to the donor film. A contact frame is adapted to be disposed between the substrate stage and the laser oscillator, and is used to form a magnetic force with the substrate stage. The contact frame includes an opening through which the laser passes. A contact frame feed mechanism moves the contact frame in a direction of the substrate stage.Type: ApplicationFiled: June 26, 2013Publication date: October 31, 2013Inventors: Sok Won Noh, Seong Taek Lee, Mu Hyun Kim, Myung Won Song, Sun Hoe Kim, Jin Wook Seong
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Publication number: 20130285290Abstract: A laser irradiation device and a method of fabricating an organic light emitting display device (OLED) using the same are disclosed. The laser irradiation device includes: a laser source generating a laser beam; a mask disposed below the laser source and patterning the beam and a projection lens disposed below the mask and determining magnification of the laser beam through the mask, wherein the laser beam penetrating the mask has different doses in at least two regions. Thus, the laser irradiation device can maximize emission efficiency and enhance the quality of a transfer layer pattern when an organic layer of the OLED is formed using the laser irradiation device.Type: ApplicationFiled: June 18, 2013Publication date: October 31, 2013Inventors: Jae-Ho LEE, Seong-Taek LEE, Mu-Hyun KIM, Nam-Choul YANG, Noh-Min KWAK, Young-Gil KWON, Tae-Min KANG, Sok-Won NOH, Myung-Won SONG, Sam-Il KHO
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Patent number: 8558455Abstract: An organic electro luminescent display with auxiliary layers on a cathode contact and an encapsulating junction region to easily remove polymer organic layers of the junction. The organic electro luminescent display has the first electrode formed on a lower insulating substrate, a pixel defining layer formed to make some portions of the first electrode opened over the entire surface of the lower insulating substrate, an organic emission layer formed on an opening of the first electrode, the second electrode formed on the organic emission layer, an upper substrate for encapsulating the first electrode, the organic emission layer and the second electrode, and auxiliary layers formed on the cathode contact and the encapsulating junction region of the lower insulating substrate.Type: GrantFiled: March 11, 2009Date of Patent: October 15, 2013Assignee: Samsung Display Co., Ltd.Inventors: Tae-Min Kang, Myung-Won Song, Seong-Taek Lee, Jin-Woo Park, Hun Kim
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Patent number: 8537185Abstract: A laser induced thermal imaging apparatus and a fabricating method of organic light emitting diodes using the same, which laminate an acceptor substrate and a donor film using a magnetic force in vacuum, and are used to form a pixel array on the acceptor substrate. A substrate stage includes a magnet or magnetic substance. The acceptor substrate has a pixel region for forming first, second, and third sub-pixels, and the donor film has an organic light emission layer to be transferred to the pixel region. A laser oscillator irradiates a laser to the donor film. A contact frame is adapted to be disposed between the substrate stage and the laser oscillator, and is used to form a magnetic force with the substrate stage. The contact frame includes an opening through which the laser passes. A contact frame feed mechanism moves the contact frame in a direction of the substrate stage.Type: GrantFiled: September 14, 2010Date of Patent: September 17, 2013Assignee: Samsung Display Co., Ltd.Inventors: Sok Won Noh, Seong Taek Lee, Mu Hyun Kim, Myung Won Song, Sun Hoe Kim, Jin Wook Seong
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Patent number: 8486586Abstract: A laser irradiation device and a method of fabricating an organic light emitting display device (OLED) using the same are disclosed. The laser irradiation device includes: a laser source generating a laser beam; a mask disposed below the laser source and patterning the beam and a projection lens disposed below the mask and determining magnification of the laser beam through the mask, wherein the laser beam penetrating the mask has different doses in at least two regions. Thus, the laser irradiation device can maximize emission efficiency and enhance the quality of a transfer layer pattern when an organic layer of the OLED is formed using the laser irradiation device.Type: GrantFiled: January 16, 2007Date of Patent: July 16, 2013Assignee: Samsung Display Co., Ltd.Inventors: Jae-Ho Lee, Seong-Taek Lee, Mu-Hyun Kim, Nam-Choul Yang, Noh-Min Kwak, Young-Gil Kwon, Tae-Min Kang, Sok-Won Noh, Myung-Won Song, Sam-Il Kho
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Patent number: 8268657Abstract: A laser induced thermal imaging (LITI) apparatus and a method of making an electronic device using the same are disclosed. The LITI apparatus includes a chamber, a substrate support, a contact frame, and a laser source or oscillator. The LITI apparatus transfers a transferable layer from a film donor device onto a surface of an intermediate electronic device. The LITI apparatus uses a magnetic force to provide a close contact between the transferable layer and the surface of the intermediate device. The magnetic force is generated by magnetic materials formed in two components of the LITI apparatus that are spaced apart interposing transferable layer and the surface of the intermediate device. Magnets or magnetic materials are formed in the two following components of the LITI apparatus: 1) the intermediate device and the film donor device; 2) the intermediate device and the contact frame; 3) the substrate support and the film donor device; or 4) the substrate support and the contact frame.Type: GrantFiled: August 28, 2006Date of Patent: September 18, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Tae Min Kang, Jin Soo Kim, Mu Hyun Kim, Sun Hoe Kim, Noh Min Kwak, Sang Bong Lee, Seong Taek Lee, Seung Hyun Lee, Sok Won Noh, Jin Wook Seong, Myung Won Song, Yeun Joo Sung, Byeong Wook Yoo
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Patent number: 8183763Abstract: An organic light emitting display and a method of fabricating the same, in which the resistance of a cathode electrode is reduced by applying a conductive ink material on the cathode electrode. A pixel defining layer is formed on a substrate, with a recess or depression in a non-light emitting region of the pixel defining layer. An electrode on the substrate includes a portion within the recess of the pixel defining layer. The conductive ink is in the portion of the electrode in the recess.Type: GrantFiled: March 10, 2009Date of Patent: May 22, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventor: Myung-Won Song
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Patent number: 8153345Abstract: A laser induced thermal imaging apparatus for imaging an imaging layer of a donor film on an acceptor substrate. The laser induced thermal imaging apparatus includes: a substrate stage having an electromagnet, and adapted to receive an acceptor substrate having a pixel area of the organic light emitting device and a donor film including the organic light emitting layer to be imaged on the pixel area; a laser oscillator for irradiating a laser on the donor film; a contact frame adapted to be located between the substrate stage and the laser oscillator and including an opening portion of a pattern corresponding to a part to be imaged of the donor film and a permanent magnet for forming a magnetic force with the substrate stage; and a contact frame moving mechanism for moving the contact frame toward the substrate stage.Type: GrantFiled: May 11, 2011Date of Patent: April 10, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Sok Won Noh, Mu Hyun Kim, Seong Taek Lee, Sun Hoe Kim, Jin Wook Seong, Myung Won Song, Sang Bong Lee
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Patent number: 8063550Abstract: The present invention discloses an organic light emitting device for preventing element defects and improving picture quality by reducing a taper angle of a substrate surface. The flat panel display of the present invention comprises, an insulating substrate, a lower layer formed on the insulating substrate and having a first step and a first taper angle with respect to the substrate surface, and an upper layer formed on the insulating substrate and for reducing the taper angle of the lower layer. The upper layer has a second taper angle smaller than the first taper angle of the lower layer.Type: GrantFiled: September 23, 2004Date of Patent: November 22, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Mu-Hyun Kim, Byung-Doo Chin, Myung-Won Song, Seong-Taek Lee
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Patent number: 8017295Abstract: A laser induced thermal imaging (LITI) apparatus, an LITI method, and an organic light emitting display (OLED) device. An LITI apparatus for forming a light emitting layer of an OLED device includes a substrate stage adapted to receive an accepter substrate and a donor film to be laminated, the accepter substrate having a pixel area of the OLED device and a magnet, the donor film having the light emitting layer transferred to the pixel area; a laser oscillator for radiating a laser to the donor film; a contact frame adapted to be placed between the substrate stage and the laser oscillator, the contact frame having at least one transmission portion corresponding to the light emitting layer transferred to the acceptor substrate and having a magnet for forming a magnetic force with the accepter substrate; and a contact frame transferring mechanism for moving the contact frame toward the substrate stage.Type: GrantFiled: August 28, 2006Date of Patent: September 13, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Sok Won Noh, Mu Hyun Kim, Sun Hoe Kim, Myung Won Song, Jin Wook Seong, Seong Taek Lee, Sang Bong Lee
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Publication number: 20110212400Abstract: A laser induced thermal imaging apparatus for imaging an imaging layer of a donor film on an acceptor substrate. The laser induced thermal imaging apparatus includes: a substrate stage having an electromagnet, and adapted to receive an acceptor substrate having a pixel area of the organic light emitting device and a donor film including the organic light emitting layer to be imaged on the pixel area; a laser oscillator for irradiating a laser on the donor film; a contact frame adapted to be located between the substrate stage and the laser oscillator and including an opening portion of a pattern corresponding to a part to be imaged of the donor film and a permanent magnet for forming a magnetic force with the substrate stage; and a contact frame moving mechanism for moving the contact frame toward the substrate stage.Type: ApplicationFiled: May 11, 2011Publication date: September 1, 2011Inventors: Sok Won Noh, Mu Hyun Kim, Seong Taek Lee, Sun Hoe Kim, Jin Wook Seong, Myung Won Song, Sang Bong Lee
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Patent number: 7960094Abstract: A laser induced thermal imaging apparatus for imaging an imaging layer of a donor film on an acceptor substrate. The laser induced thermal imaging apparatus includes: a substrate stage having an electromagnet, and adapted to receive an acceptor substrate having a pixel area of the organic light emitting device and a donor film including the organic light emitting layer to be imaged on the pixel area; a laser oscillator for irradiating a laser on the donor film; a contact frame adapted to be located between the substrate stage and the laser oscillator and including an opening portion of a pattern corresponding to a part to be imaged of the donor film and a permanent magnet for forming a magnetic force with the substrate stage; and a contact frame moving mechanism for moving the contact frame toward the substrate stage.Type: GrantFiled: August 28, 2006Date of Patent: June 14, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Sok Won Noh, Mu Hyun Kim, Seong Taek Lee, Sun Hoe Kim, Jin Wook Seong, Myung Won Song, Sang Bong Lee
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Patent number: RE47781Abstract: An organic electro luminescent display with auxiliary layers on a cathode contact and an encapsulating junction region to easily remove polymer organic layers of the junction and a method for fabricating the same. The organic electro luminescent display has the first electrode formed on a lower insulating substrate, a pixel defining layer formed to make some portions of the first electrode opened over the entire surface of the lower insulating substrate, an organic emission layer formed on an opening of the first electrode, the second electrode formed on the organic emission layer, an upper substrate for encapsulating the first electrode, the organic emission layer and the second electrode, and auxiliary layers formed on the cathode contact and the encapsulating junction region of the lower insulating substrate.Type: GrantFiled: October 4, 2016Date of Patent: December 24, 2019Assignee: Samsung Display Co., Ltd.Inventors: Tae-Min Kang, Myung-Won Song, Seong-Taek Lee, Jin-Woo Park, Hun Kim