Patents by Inventor Jae-Hwan Oh
Jae-Hwan Oh 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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Patent number: 10042983Abstract: The present invention provides an apparatus for screening cancer, which reads low-mass ion mass spectrum for diagnosing cancer based on biostatistical analysis with respect to low-mass ions extracted from biological materials, and diagnoses cancer using the low-mass ion spectrum. An apparatus for cancer diagnosis, including a low-mass ion detecting unit which detects mass spectra of low-mass ions of biological materials; a cancer diagnosing unit which compares and analyzes patterns of mass spectra and diagnoses cancer; a display unit which displays cancer diagnosis information from the cancer diagnosing unit.Type: GrantFiled: November 30, 2012Date of Patent: August 7, 2018Assignee: NATIONAL CANCER CENTERInventors: Byong Chul Yoo, Kyung Hee Kim, Dae Yong Kim, In Hoo Kim, Ji Won Park, Jae Hwan Oh, Jun Hwa Lee, Eun Sook Lee
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Publication number: 20180122879Abstract: An organic light emitting diode (OLED) display device and a method of manufacturing the same. The device includes a substrate, a thin film transistor (TFT) on the substrate and including an active layer, a gate electrode, a source electrode, and a drain electrode, a first pixel electrode coupled to one of the source and drain electrodes, a rough portion on the first pixel electrode, a second pixel electrode on the rough portion and having a rough pattern, an intermediate layer on the second pixel electrode including an organic emission layer (EML), and an opposing electrode on the intermediate layer.Type: ApplicationFiled: December 29, 2017Publication date: May 3, 2018Inventors: Seong-Hyun Jin, Jae-Hwan Oh, Yeoung-Jin Chang, Se-Hun Park, Won-Kyu Lee, Jae-Beom Choi
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Patent number: 9859347Abstract: An organic light emitting diode (OLED) display device and a method of manufacturing the same. The device includes a substrate, a thin film transistor (TFT) on the substrate and including an active layer, a gate electrode, a source electrode, and a drain electrode, a first pixel electrode coupled to one of the source and drain electrodes, a rough portion on the first pixel electrode, a second pixel electrode on the rough portion and having a rough pattern, an intermediate layer on the second pixel electrode including an organic emission layer (EML), and an opposing electrode on the intermediate layer.Type: GrantFiled: August 28, 2013Date of Patent: January 2, 2018Assignee: Samsung Display Co., Ltd.Inventors: Seong-Hyun Jin, Jae-Hwan Oh, Yeoung-Jin Chang, Se-Hun Park, Won-Kyu Lee, Jae-Beom Choi
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Publication number: 20170256594Abstract: A method of manufacturing a flexible display device includes forming a base substrate on a first sacrificial layer formed on a first supporting substrate, forming a display device array on the base substrate, forming a second sacrificial layer on a second supporting substrate, forming a touch array on the second sacrificial layer, adhering the first supporting substrate onto the second supporting substrate using an adhesive, irradiating laser energy onto the first sacrificial layer to remove the first sacrificial layer and separate the first supporting substrate from the base substrate, and irradiating laser energy onto the second sacrificial layer to separate interfaces of the second supporting substrate and the second sacrificial layer from each other, such that the second sacrificial layer is fixed on the touch array, The second sacrificial layer includes at least one of oxidized molybdenum, lead zirconate titanate, gallium nitride, and an amorphous silicon based inorganic material.Type: ApplicationFiled: March 2, 2017Publication date: September 7, 2017Inventors: In Jun BAE, Ji Hye PARK, Jae Hwan OH
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Patent number: 9653525Abstract: A light emitting display device includes a substrate, a first electrode, a pixel defining layer, a light emitting layer, a second electrode, and a reflective pattern. The substrate includes a plurality of pixels, each including a top emission pixel in a first area and a bottom emission pixel in a second area. The first electrode is in the first area and the second area. The pixel defining layer includes pixel openings to expose the first electrode and reflective pattern openings between adjacent pixels. The light emitting layer is on the first electrode, and the second electrode is on the light emitting layer. The reflective pattern is in the reflective pattern opening and spaced from the second electrode in the first area.Type: GrantFiled: April 20, 2015Date of Patent: May 16, 2017Assignee: Samsung Display Co., Ltd.Inventors: Se Hun Park, Yong Duck Son, Jae Hwan Oh, Ji Youn Lee, Young Jin Chang, Jae Beom Choi
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Patent number: 9640375Abstract: The present invention provides a method for determining low mass ions for diagnosing colorectal cancer by using a MALDI-TOF mass spectrometer to biostatistically analyze low mass ions, which are extracted from a biological sample, and a method for providing information for diagnosing colorectal cancer using same. The present inventions can provide a diagnostic method, which requires low cost and a short time for analysis, can analyze large areas, and which can provide superior and credible discriminations.Type: GrantFiled: August 12, 2011Date of Patent: May 2, 2017Assignee: National Cancer CenterInventors: Byong Chul Yoo, In Hoo Kim, Kyung Hee Kim, Jun Hwa Lee, Kwang Gi Kim, Hee Jin Chang, Dae Yong Kim, Jae Hwan Oh, Byung Chang Kim, Ji Won Park, Sun Young Kim
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Publication number: 20170117343Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a substrate, a plurality of OLEDs provided over the substrate, and a plurality of pixel circuits provided between the substrate and the OLEDs. Each of the pixel circuits comprises a plurality of transistors each including an active pattern electrically connected to the respective OLEDs. A shield layer overlaps the pixel circuits and the active patterns of the transistors in the depth dimension of the OLED display.Type: ApplicationFiled: September 23, 2016Publication date: April 27, 2017Inventors: Jae Hwan Oh, Hyo Jin Kim, Ji Hye Park, In Jun Bae, Woo Ri Seo, Hwang Sup Shin
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Patent number: 9634073Abstract: An organic light-emitting display device includes a substrate. A buffer layer is formed on the substrate. A thin film transistor is disposed on the buffer layer. The thin film transistor includes an active layer, a gate electrode, a source electrode, a drain electrode, a first insulating layer, and a second insulating layer. An uneven pattern is formed by patterning the buffer layer. A first pixel electrode is disposed in an opening formed in the second insulating layer. The first pixel electrode includes a transparent conductive oxide. A second pixel electrode is disposed on the first pixel electrode. The second pixel electrode includes a semi-transmissive layer. An organic lighting-emitting layer is formed on the second pixel electrode. An opposite electrode is formed on the organic lighting-emitting layer.Type: GrantFiled: October 17, 2013Date of Patent: April 25, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae-Hwan Oh, Jae-Beom Choi, Seong-Hyun Jin, Se-Hun Park, Won-Kyu Lee, Yeoung-Jin Chang
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Patent number: 9583552Abstract: An organic light emitting diode display includes a substrate; a gate wire on the substrate; an interlayer insulating layer covering the gate wire; a data wire on the interlayer insulating layer; a passivation layer on the data wire and the interlayer insulating layer and having a protection opening; a pixel electrode on a first wiring portion of the data wire exposed through the protection opening and the interlayer insulating layer; a pixel definition layer on the passivation layer and having a pixel opening exposing the pixel electrode; an organic emission layer covering the pixel electrode; and a common electrode covering the organic emission layer and the pixel definition layer, wherein the pixel electrode contacting the first wiring portion of the data wire and the interlayer insulating layer has protrusions and depressions.Type: GrantFiled: September 24, 2014Date of Patent: February 28, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jae Hwan Oh, Hwa Jin Noh, Se Hun Park, Won Kyu Lee, Young-Jin Chang
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Patent number: 9548321Abstract: A thin film transistor (TFT) array substrate is provided that includes a TFT on a substrate. The TFT can include an active layer, gate electrode, source electrode, drain electrode, first insulating layer between the active layer and the gate electrode, and second insulating layer between the gate electrode and the source and drain electrodes. A pixel electrode is disposed on the first and second insulating layers. A capacitor including a lower electrode is disposed on a same layer as the gate electrode and an upper electrode. A third insulating layer directly between the second insulating layer and the pixel electrode and between the lower electrode and the upper electrode. A fourth insulating layer covers the source electrode, the drain electrode, and the upper electrode, and exposes the pixel electrode and can further expose a pad electrode.Type: GrantFiled: April 2, 2015Date of Patent: January 17, 2017Assignee: SAMSUNG DISPLAY CO., LTDInventors: June-Woo Lee, Jae-Beom Choi, Kwan-Wook Jung, Jae-Hwan Oh, Seong-Hyun Jin, Kwang-Hae Kim, Jong-Hyun Choi
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Patent number: 9502689Abstract: An organic light emitting display device includes a sub-pixel having a first electrode and a second electrode arranged on a substrate, the first and second electrodes face each other, a light emission layer interposed between the first and second electrodes, and a mirror unit that corresponds to a portion of the light emission layer. The mirror unit is buried in a first part of a base surface of the sub-pixel such that a side of the mirror unit facing the light emission layer is aligned with a side of a second part of the base surface that faces the light emission layer and that excludes the mirror unit.Type: GrantFiled: October 15, 2012Date of Patent: November 22, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jong-Hyun Choi, Jae-Hwan Oh, Byoung-Ki Kim
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Patent number: 9443917Abstract: Provided are an organic light-emitting display apparatus having superior light efficiency and ease of manufacture, as well as a method of manufacturing the same. The organic light-emitting display apparatus includes: a substrate; a pixel electrode disposed on a pixel region of the substrate; a first insulating layer that is interposed between the substrate and the pixel electrode and that has a first discontinuous region extending along at least a portion of an edge of the pixel electrode; an intermediate layer that is disposed on the pixel electrode and that includes an emission layer; and an opposite electrode that covers the intermediate layer and at least a portion of the first discontinuous region, so that a shortest distance to the substrate in at least a portion of the first discontinuous region is shorter than a shortest distance between the pixel electrode and the substrate.Type: GrantFiled: October 10, 2013Date of Patent: September 13, 2016Assignee: Samsung Display Co., Ltd.Inventors: Jae-Hwan Oh, Yeoung-Jin Chang, Seong-Hyun Jin, Se-Hun Park, Won-Kyu Lee, Jae-Beom Choi
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Publication number: 20160181332Abstract: A light emitting display device includes a substrate, a first electrode, a pixel defining layer, a light emitting layer, a second electrode, and a reflective pattern. The substrate includes a plurality of pixels, each including a top emission pixel in a first area and a bottom emission pixel in a second area. The first electrode is in the first area and the second area. The pixel defining layer includes pixel openings to expose the first electrode and reflective pattern openings between adjacent pixels. The light emitting layer is on the first electrode, and the second electrode is on the light emitting layer. The reflective pattern is in the reflective pattern opening and spaced from the second electrode in the first area.Type: ApplicationFiled: April 20, 2015Publication date: June 23, 2016Inventors: Se Hun PARK, Yong Duck SON, Jae Hwan OH, Ji Youn LEE, Young Jin CHANG, Jae Beom CHOI
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Patent number: 9263169Abstract: An aluminum paste and a solar cell, the aluminum paste including aluminum powder; an organic vehicle; and antimony oxide, the antimony oxide being present in an amount of about 0.001 wt % to less than about 1.0 wt %, based on a total weight of the aluminum paste.Type: GrantFiled: March 7, 2011Date of Patent: February 16, 2016Assignee: CHEIL INDUSTRIES, INC.Inventors: Byung Chul Lee, Dong Suk Kim, Jae Ho Kim, Jae Hwan Oh, Hyun Don Kim
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Patent number: 9257360Abstract: A backplane for a display device and the display device are disclosed. In one aspect, the backplane includes a substrate, an active layer formed over the substrate including a channel region, a source region contacting a first side of the channel region, and a drain region contacting a second side of the channel region. The backplane further includes a gate electrode formed adjacent to the channel region, a source electrode electrically connected to the source region, and a drain electrode electrically connected to the drain region. The active layer includes a plurality of heat radiation pins that extend in a direction of the thickness of the active layer.Type: GrantFiled: March 18, 2014Date of Patent: February 9, 2016Assignee: Samsung Display Co., Ltd.Inventors: Young-Jun Shin, Se-Hun Park, Jae-Hwan Oh, Young-Jin Chang
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Patent number: 9236010Abstract: An array test method of an organic light emitting diode (OLED) display substrate is provided. The OLED display substrate includes a plurality of pixel circuits. Each pixel circuit includes an anode, a first transistor for transmitting a data signal that controls an amount of light emission of an OLED according to a scan signal, a driving transistor for receiving the data signal, generating a driving current corresponding to the data signal, and transmitting the driving current to the OLED, and a second transistor for diode-connecting a gate electrode and a drain electrode of the driving transistor. The array test method includes: injecting electrons or holes that generate an initialization voltage into the anode by turning on the second transistor; radiating electron beams at the anode; and determining whether or not the driving transistor performs normal operation from an amount of secondary electrons emitted from the anode.Type: GrantFiled: April 17, 2012Date of Patent: January 12, 2016Assignee: Samsung Display Co., Ltd.Inventors: Jae-Beom Choi, Won-Kyu Lee, Jae-Hwan Oh, Young-Jin Chang, Seong-Hyun Jin
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Patent number: 9209050Abstract: A laser crystallization system is disclosed. In one embodiment, the laser crystallization system includes i) a mother substrate including first, second, and third display regions sequentially arranged in a first direction and ii) a stage for supporting the mother substrate and moving in the first direction and in a second direction. The system also includes i) a first laser irradiation unit for irradiating a first laser beam having a width greater than or identical to a width of a side of one of the display regions in the first direction and ii) a second laser irradiation unit spaced apart from the first laser irradiation unit and irradiating a second laser beam having a width greater than or identical to the width of the side in the first direction. Furthermore, the first and second laser beams may correspond to widths of sides of the first and third display regions.Type: GrantFiled: February 19, 2014Date of Patent: December 8, 2015Assignee: Samsung Display Co., Ltd.Inventors: Jae-Hwan Oh, Jae-Beom Choi, Won-Kyu Lee, Young-Jin Chang, Seong-Hyun Jin
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Patent number: 9184222Abstract: An organic light-emitting display device including a TFT comprising an active layer, a gate electrode comprising a lower gate electrode and an upper gate electrode, and source and drain electrodes insulated from the gate electrode and contacting the active layer; an organic light-emitting device electrically connected to the TFT and comprising a pixel electrode formed in the same layer as where the lower gate electrode is formed; and a pad electrode electrically coupled to the TFT or the organic light emitting device and comprising a first pad electrode formed in the same layer as in which the lower gate electrode is formed, a second pad electrode formed in the same layer as in which the upper gate electrode is formed, and a third pad electrode comprising a transparent conductive oxide, the first, second, and third pad electrodes being sequentially stacked.Type: GrantFiled: February 26, 2015Date of Patent: November 10, 2015Assignee: Samsung Display Co., Ltd.Inventors: Jong-Hyun Choi, Jae-Hwan Oh
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Patent number: 9184417Abstract: An organic light emitting display device includes: a substrate; a thin film transistor (TFT) on the substrate and including an active layer, a gate electrode, a source electrode, and a drain electrode; an organic light emitting device including a pixel electrode that contacts at least one of the source electrode or the drain electrode of the TFT, an interlayer including a light emitting layer, and a counter electrode facing the pixel electrode, the pixel electrode, the interlayer, and the counter electrode being stacked; and a cathode contact part including a first contact layer and a second contact layer, the first contact layer being at a same layer as the active layer and being doped with ion impurities, the second contact layer including a same material as the source electrode and the drain electrode and coupling the first contact layer and the counter electrode to each other.Type: GrantFiled: September 11, 2013Date of Patent: November 10, 2015Assignee: Samsung Display Co., Ltd.Inventors: Jae-Hwan Oh, Won-Kyu Lee, Young-Jin Chang, Seong-Hyun Jin, Jae-Beom Choi
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Patent number: 9159866Abstract: A photo sensor, a method of manufacturing the photo sensor, and a display apparatus, the photo sensor including a substrate; a light receiving unit on the substrate, the light receiving unit including an amorphous semiconductor material; a first adjacent unit and a second adjacent unit formed as one body with the light receiving unit, the first adjacent unit and the second adjacent unit being separated from each other by the light receiving unit; a first photo sensor electrode electrically connected to the first adjacent unit; and a second photo sensor electrode electrically connected to the second adjacent unit, wherein at least one of the first adjacent unit and the second adjacent unit includes a crystalline semiconductor material.Type: GrantFiled: June 13, 2013Date of Patent: October 13, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Won-Kyu Lee, Jae-Hwan Oh, Seong-Hyun Jin, Young-Jin Chang, Jae-Beom Choi