Patents by Inventor Jin Hee Kang
Jin Hee Kang 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: 20140124769Abstract: A flat panel display device including a substrate including first and second regions; an active layer on the first region of the substrate including a semiconductor material; a lower electrode on the second region of the substrate including the semiconductor material; a first insulating layer on the substrate including the active layer and the lower electrode thereon; a gate electrode on the first insulating layer overlying the active layer and including a first conductive layer pattern and a second conductive layer pattern; an upper electrode on the first insulating layer overlying the lower electrode and including the first conductive layer pattern and the second conductive layer pattern; a second insulating layer on the gate electrode and the upper electrode exposing portions of the active layer and portions of the upper electrode; and a source electrode and a drain electrode connected to the exposed portions of the active layer.Type: ApplicationFiled: January 9, 2014Publication date: May 8, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Jin-Hee KANG, Chun-Gi YOU, Sun PARK, Jong-Hyun PARK, Yul-Kyu LEE
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Patent number: 8653729Abstract: The present invention relates to an organic light emitting device and a manufacturing method thereof. The present invention discloses an organic light emitting device including: a plurality of scanning signal lines; a first and second contact assistant; a plurality of data lines crossing the scanning signal lines; a driving voltage line; and a first pixel, a second pixel, and a third pixel alternately arranged, wherein each pixel includes: a switching transistor, a driving transistor including an output terminal, a pixel electrode connected to the output terminal, the pixel electrode including at least two layers including a transflective electrode, an organic light emitting member arranged on the pixel electrode, and a common electrode arranged on the organic light emitting member, wherein the first pixel further includes a supplementary member arranged on the pixel electrode, and wherein the first and second contact assistants include the same material as the supplementary member.Type: GrantFiled: April 8, 2009Date of Patent: February 18, 2014Assignee: Samsung Display Co., Ltd.Inventors: Min-Hyuk Choi, Chun-Gi You, Jong-Hyun Park, Young-Dong Kwon, Jin-Hee Kang
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Patent number: 8629448Abstract: A flat panel display device including a substrate including first and second regions; an active layer on the first region of the substrate including a semiconductor material; a lower electrode on the second region of the substrate including the semiconductor material; a first insulating layer on the substrate including the active layer and the lower electrode thereon; a gate electrode on the first insulating layer overlying the active layer and including a first conductive layer pattern and a second conductive layer pattern; an upper electrode on the first insulating layer overlying the lower electrode and including the first conductive layer pattern and the second conductive layer pattern; a second insulating layer on the gate electrode and the upper electrode exposing portions of the active layer and portions of the upper electrode; and a source electrode and a drain electrode connected to the exposed portions of the active layer.Type: GrantFiled: September 29, 2010Date of Patent: January 14, 2014Assignee: Samsung Display Co., Ltd.Inventors: Jin-Hee Kang, Chun-Gi You, Sun Park, Jong-Hyun Park, Yul-Kyu Lee
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Patent number: 8575574Abstract: An ion implanting system includes an ion generating system that generates ion beams and an ion implanting chamber in which a work-piece that is irradiated with the ion beams generated from the ion generating system is provided and into which the ion beams generated from the ion generating unit are directed. The ion generating system includes a first ion generating unit that irradiates ions to an upper portion of the work-piece and a second ion generating unit irradiating ions to a lower portion of the work-piece. The ion implanting system a can implant ions into a large work-piece through one ion implantation process with ion generating units arranged alternately with respect to each other in the transfer direction of the work-piece.Type: GrantFiled: December 8, 2010Date of Patent: November 5, 2013Assignee: Samsung Display Co., Ltd.Inventors: Jin-Hee Kang, Chun-Gi You, Sun Park, Jong-Hyun Park, Yul-Kyu Lee
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Publication number: 20130270538Abstract: A thin film transistor, a method of manufacturing the same, and a display device including the same, the thin film transistor including a substrate; a polysilicon semiconductor layer on the substrate; and a metal pattern between the semiconductor layer and the substrate, the metal pattern being insulated from the semiconductor layer, wherein the polysilicon of the semiconductor layer includes a grain boundary parallel to a crystallization growing direction, and a surface roughness of the polysilicon semiconductor layer defined by a distance between a lowest peak and a highest peak in a surface thereof is less than about 15 nm.Type: ApplicationFiled: May 20, 2013Publication date: October 17, 2013Inventors: Jong-Hyun PARK, Chun-Gi YOU, Sun PARK, Jin-Hee KANG, Yul-Kyu LEE
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Patent number: 8558239Abstract: An organic light emitting display having an active layer of a thin film transistor formed on a substrate, a first conductive layer formed at an edge of the active layer, a first insulation layer formed on the substrate and the first conductive layer, a second conductive layer corresponding to a central area of the active layer formed on the first insulation layer, a fanout lower electrode separated a predetermined distance from the second conductive layer, a pixel electrode, a third conductive layer formed on the second conductive layer, a fanout upper electrode formed on the fanout lower electrode, a second insulation layer formed on the third conductive layer, the fanout upper electrode, and the pixel electrode, and source and drain electrodes contacting the pixel electrode and formed on the second insulation layer.Type: GrantFiled: October 14, 2010Date of Patent: October 15, 2013Assignee: Samsung Display Co., Ltd.Inventors: Yul-Kyu Lee, Chun-Gi You, Sun Park, Jong-Hyun Park, Jin-Hee Kang
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Patent number: 8514211Abstract: A display panel includes a power line supplying power, and a plurality of pixels connected with the power line, each pixel including a plurality of sub-pixel regions, and receiving the power to display an image. Each of the pixels further includes a plurality of driving thin film transistors and a plurality of light emitting units. Each of the driving thin film transistors are positioned in respective sub-pixel regions to receive the power to output driving signals. Each of the light emitting units are connected to respective driving thin film transistors, have relatively longer lengths in a first direction, and have the same width in a second direction substantially perpendicular to the first direction. One among the plurality of light emitting units is longer than the remaining light emitting units to thereby improve a light emitting efficiency and image display quality of a display panel.Type: GrantFiled: April 17, 2009Date of Patent: August 20, 2013Assignee: Samsung Display Co., Ltd.Inventors: Min-Hyuk Choi, Chun-Gi You, Jong-Hyun Park, Doo-Hyun Woo, Dong-Ki Lee, Young-Dong Kwon, Jin-Hee Kang
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Patent number: 8507156Abstract: A laser mask is disclosed. In one embodiment, the laser mask includes: a mask substrate including i) at least one light transmission portion configured to transmit light therethrough and ii) a plurality of light interruption portions separated by the light transmission portion interposed therebetween. The light interruption portions are configured to block light; and a plurality of protrusion and depression regions positioned on the light interruption portions of the mask substrate. The protrusion and depression regions comprise a plurality of concave portions and a plurality of convex portions which are alternately formed.Type: GrantFiled: September 13, 2010Date of Patent: August 13, 2013Assignee: Samsung Display Co., Ltd.Inventors: Sun Park, Chun-Gi You, Jong-Hyun Park, Yul-Kyu Lee, Jin-Hee Kang
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Publication number: 20130171568Abstract: Disclosed are a positive photosensitive resin composition that includes (A) an alkali soluble resin including a polybenzoxazole precursor, a polyimide precursor, or a combination thereof, (B) a photosensitive diazoquinone compound, (C) a phenol compound, (D) at least one organic dye having an absorption wavelength of about 400 nm to about 700 nm, and (E) a solvent, wherein the organic dye (D) is included in an amount of about 1 to about 40 parts by weight based on about 100 parts by weight of the alkali soluble resin (A), and a photosensitive resin layer and a display device using the same.Type: ApplicationFiled: September 5, 2012Publication date: July 4, 2013Applicant: CHEIL INDUSTRIES INC.Inventors: Ji-Yun KWON, Jin-Hee KANG, Dae-Yun KIM, Sang-Kyeon KIM, Sang-Kyun KIM, Sang-Soo KIM, Kun-Bae NOH, Eun-Kyung YOON, Jong-Hwa LEE, Jun-Ho LEE, Jin-Young LEE, Hwan-Sung CHEON, Hyun-Yong CHO, Chung-Beom HONG, Eun-Ha HWANG
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Patent number: 8461591Abstract: An organic light emitting display device with a simplified manufacturing process and improved electrical characteristics, along with a method of manufacturing the device, are disclosed. The device includes: a substrate having a display area and a non-display area; a thin film transistor (TFT) in the display area; a wiring portion in the non-display area; an intermediate layer electrically connected to the TFT and including an organic light emitting layer; and a counter electrode on the intermediate layer. The TFT includes an active layer, a gate electrode, and source/drain electrodes electrically connected to the active layer. The source/drain electrodes include a first conductive layer, a second conductive layer, and a third conductive layer that are sequentially stacked. The wiring portion includes the same material as the first conductive layer. One of the source/drain electrodes is longer than the other, to function as a pixel electrode, and is electrically connected to the intermediate layer.Type: GrantFiled: November 24, 2010Date of Patent: June 11, 2013Assignee: Samsung Display Co., Ltd.Inventors: Yul-Kyu Lee, Chun-Gi You, Sun Park, Jong-Hyun Park, Jin-Hee Kang
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Patent number: 8450159Abstract: A thin film transistor, a method of manufacturing the same, and a display device including the same, the thin film transistor including a substrate; a polysilicon semiconductor layer on the substrate; and a metal pattern between the semiconductor layer and the substrate, the metal pattern being insulated from the semiconductor layer, wherein the polysilicon of the semiconductor layer includes a grain boundary parallel to a crystallization growing direction, and a surface roughness of the polysilicon semiconductor layer defined by a distance between a lowest peak and a highest peak in a surface thereof is less than about 15 nm.Type: GrantFiled: February 11, 2011Date of Patent: May 28, 2013Assignee: Samsung Display Co., Ltd.Inventors: Jong-Hyun Park, Chun-Gi You, Sun Park, Jin-Hee Kang, Yul-Kyu Lee
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Patent number: 8405084Abstract: An organic light emitting diode display includes a substrate main body, a polysilicon semiconductor layer on the substrate main body, a gate insulating layer covering the semiconductor layer, and a gate electrode and a pixel electrode on the gate insulating layer, the gate electrode and the pixel electrode each including a transparent conductive layer portion with a gate metal layer portion on the transparent conductive layer portion, and the pixel electrode including a light emitting area having the transparent conductive layer portion and a non-light emitting area having both the transparent conductive layer portion and the gate metal layer portion.Type: GrantFiled: November 15, 2010Date of Patent: March 26, 2013Assignee: Samsung Display Co., Ltd.Inventors: Yul-Kyu Lee, Chun-Gi You, Sun Park, Jong-Hyun Park, Jin-Hee Kang
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Patent number: 8400601Abstract: A flat panel display device and a method of manufacturing the flat panel display device are disclosed. In one embodiment, the flat panel display device includes: i) a first substrate, ii) an active layer formed over the first substrate, wherein the active layer comprises a source region, a drain region, and a channel region, iii) a gate insulating layer formed on the active layer, iv) a gate electrode formed on the gate insulating layer and over the channel region of the active layer and v) a first interlayer insulating film formed on the gate insulating layer and the gate electrode.Type: GrantFiled: November 30, 2010Date of Patent: March 19, 2013Assignee: Samsung Display Co., Ltd.Inventors: Jong-Hyun Park, Chun-Gi You, Sun Park, Yul-Kyu Lee, Jin-Hee Kang
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Patent number: 8395160Abstract: An organic light emitting display apparatus and a method of manufacturing the organic light emitting display apparatus, whereby the manufacturing process is simplified and the electric characteristics of the organic light emitting display apparatus are improved. The organic light emitting display apparatus includes: a gate electrode that includes a first conductive layer including ITO, a second conductive layer on the first conductive layer, a third conductive layer on the second conductive layer and including ITO, and a fourth conductive layer on the third conductive layer and including IZO or AZO; and a pixel electrode formed in the same layer level as the gate electrode and including a first electrode layer that includes ITO, a second electrode layer on the first electrode layer, a third electrode layer on the second electrode layer and including ITO, and a fourth electrode layer on the third electrode layer and including IZO or AZO.Type: GrantFiled: November 10, 2010Date of Patent: March 12, 2013Assignee: Samsung Display Co., Ltd.Inventors: Sun Park, Chun-Gi You, Jong-Hyun Park, Jin-Hee Kang, Yul-Kyu Lee
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Patent number: 8288216Abstract: A thin film transistor (TFT) and a method of fabricating the same are disclosed. The TFT includes a substrate, a gate electrode disposed over the substrate, a gate insulating layer disposed over the gate electrode, a semiconductor layer disposed over the gate insulating layer and including a polycrystalline silicon (poly-Si) layer, an ohmic contact layer disposed over a predetermined region of the semiconductor layer, an insulating interlayer disposed over substantially an entire surface of the substrate including the ohmic contact layer, and source and drain electrodes electrically connected to the ohmic contact layer through contact holes formed in the interlayer insulating layer. A barrier layer is interposed between the semiconductor layer and the ohmic contact layer. Thus, when an off-current of a bottom-gate-type TFT is controlled, degradation of characteristics due to a leakage current may be prevented using a simple process.Type: GrantFiled: April 2, 2010Date of Patent: October 16, 2012Assignee: Samsung Mobile Display Co., Ltd.Inventors: Jin-Hee Kang, Chun-Gi You, Sun Park, Jong-Hyun Park, Yul-Kyu Lee
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Publication number: 20120097930Abstract: An organic light-emitting display apparatus including a substrate; a black matrix layer formed over the substrate; an insulating layer formed over the black matrix layer; a thin film transistor (TFT) formed over the insulating layer; a pixel electrode connected to the TFT; and an organic layer formed over the pixel electrode. At least one hole is formed in at least one of the black matrix layer and the insulating layer, in a region where the black matrix layer and the insulating layer overlap each other.Type: ApplicationFiled: August 17, 2011Publication date: April 26, 2012Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: SUN PARK, CHUN-GI YOU, JONG-HYUN PARK, JIN-HEE KANG, YUL KYU LEE
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Publication number: 20110220810Abstract: An ion doping apparatus and a doping method are disclosed. In one embodiment, the apparatus includes a chamber, and a substrate driving unit configured to support and move a substrate in the chamber, wherein the substrate has a plurality of long sides and a plurality of short sides. The apparatus further includes an ion beam generator configured to generate and provide an ion beam having a width smaller than the length of the short sides of the substrate, wherein the substrate driving unit is further configured to move the substrate substantially perpendicular to the width direction of the ion beam.Type: ApplicationFiled: March 4, 2011Publication date: September 15, 2011Applicant: Samsung Mobile Display Co., Ltd.Inventors: Sun Park, Chun-Gi You, Jong-Hyun Park, Jin-Hee Kang, Yul-Kyu Lee
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Publication number: 20110140107Abstract: A flat panel display device including a substrate including first and second regions; an active layer on the first region of the substrate including a semiconductor material; a lower electrode on the second region of the substrate including the semiconductor material; a first insulating layer on the substrate including the active layer and the lower electrode thereon; a gate electrode on the first insulating layer overlying the active layer and including a first conductive layer pattern and a second conductive layer pattern; an upper electrode on the first insulating layer overlying the lower electrode and including the first conductive layer pattern and the second conductive layer pattern; a second insulating layer on the gate electrode and the upper electrode exposing portions of the active layer and portions of the upper electrode; and a source electrode and a drain electrode connected to the exposed portions of the active layer.Type: ApplicationFiled: September 29, 2010Publication date: June 16, 2011Inventors: Jin-Hee Kang, Chun-Gi You, Sun Park, Jong-Hyun Park, Yul-Kyu Lee
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Publication number: 20110140005Abstract: An ion implanting system includes an ion generating system that generates ion beams and an ion implanting chamber in which a work-piece that is irradiated with the ion beams generated from the ion generating system is provided and into which the ion beams generated from the ion generating unit are directed. The ion generating system includes a first ion generating unit that irradiates ions to an upper portion of the work-piece and a second ion generating unit irradiating ions to a lower portion of the work-piece. The ion implanting system a can implant ions into a large work-piece through one ion implantation process with ion generating units arranged alternately with respect to each other in the transfer direction of the work-piece.Type: ApplicationFiled: December 8, 2010Publication date: June 16, 2011Applicant: Sumsung Mobile Display Co., Ltd.Inventors: Jin-Hee KANG, Chun-Gi YOU, Sun PARK, Jong-Hyun PARK, Yul-Kyu LEE
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Publication number: 20110133195Abstract: A thin film transistor, a display device including the same, and a method of manufacturing the display device, the thin film transistor including a substrate; a gate electrode on the substrate; a gate insulating layer on the gate electrode; a semiconductor layer on the gate insulating layer; and source/drain electrodes electrically connected with the semiconductor layer, wherein the gate electrode has a thickness of about 500 ? to about 1500 ? and the gate insulating layer has a thickness of about 1600 ? to about 2500 ?.Type: ApplicationFiled: December 2, 2010Publication date: June 9, 2011Inventors: Jong-Hyun Park, Chun-Gi You, Sun Park, Jin-Hee Kang, Yul-Kyu Lee