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11.发明授权Field emission device having field emitter including photoelectric material and method of manufacturing the same 有权具有包括光电材料的场致发射体的场发射装置及其制造方法公开(公告)号：US09478385B2
公开(公告)日：2016-10-25
申请号：US14339004
申请日：2014-07-23
Inventor： Jae-woo Kim , Yoon-Ho Song , Jin Woo Jeong , Jun Tae Kang , Sungyoul Choi , Jeong Yong Choi
CPC classification number: H01J1/304 , B82Y30/00 , H01J1/34 , H01J35/065 , H01J2201/30469 , H01J2201/3423 , Y10S977/742 , Y10S977/939
Abstract: Provided are a field emission device and a method of manufacturing the same. The field emission device includes an anode electrode and a cathode electrode which are opposite to each other, a counter layer provided on the anode electrode, and a field emitter provided on the cathode electrode and facing the counter layer. Herein, the field emitter includes a carbon nanotube emitting cold electrons and a photoelectric material emitting photo electrons.
Abstract translation: 提供场致发射器件及其制造方法。 场致发射器件包括彼此相对的阳极电极和阴极电极，设置在阳极电极上的对置层，以及设置在阴极电极上且面向对置层的场致发射体。 这里，场致发射体包括发射冷电子的碳纳米管和发射光电子的光电材料。
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公开(公告)号：US09368316B2
公开(公告)日：2016-06-14
申请号：US14313957
申请日：2014-06-24
Inventor： Jin Woo Jeong , Yoon-Ho Song , Sungyoul Choi , Jun Tae Kang , Jae-woo Kim
CPC classification number: H01J35/08 , H01J35/18 , H01J2235/081 , H01J2235/086 , H01J2235/186
Abstract: Provided is an X-ray tube. The X-ray tube includes an electrode on which an electron beam impacts to generate an X-ray, and a window on which the electrode is disposed and through which the X-ray generated from the electrode is transmitted. The electrode includes a channel passing through the electrode, and the electron beam is provided into the channel to generate the X-ray.
Abstract translation: 提供了一种X射线管。 X射线管包括电子束撞击以产生X射线的电极，以及设置有电极的窗口，通过该窗口从电极产生的X射线被透射。 电极包括通过电极的通道，并且电子束被提供到通道中以产生X射线。
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公开(公告)号：US12125661B2
公开(公告)日：2024-10-22
申请号：US17872782
申请日：2022-07-25
Inventor： Yoon-Ho Song , Jun-Tae Kang , Jae-Woo Kim , Sora Park , Jin-Woo Jeong
CPC classification number: H01J35/064 , H01J35/045 , H01J35/10
Abstract: Provided is an X-ray tube including a cathode structure, an anode spaced apart from the cathode structure, a spacer structure disposed between the cathode structure and the anode, and an external power supply connected to each of the cathode structure, the anode, and the spacer structure. Here, the spacer structure includes a first spacer disposed adjacent to the cathode structure and a second spacer disposed on the first spacer and disposed adjacent to the anode. The first spacer includes a first portion adjacent to the cathode structure and a second portion adjacent to a contact point of the first spacer and the second spacer. The second spacer includes a third portion adjacent to the contact point and a fourth portion adjacent to the anode. Each of the first portion and the third portion has a volume resistivity less than that of the second portion.
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公开(公告)号：US11894224B2
公开(公告)日：2024-02-06
申请号：US17834463
申请日：2022-06-07
Inventor： Yoon-Ho Song , Jeong-Woong Lee , Jun-Tae Kang , Seong Jun Kim , Jae-Woo Kim , Sora Park , Ki Nam Yun , Jin-Woo Jeong , Sunghoon Choi
IPC: H01J5/04
CPC classification number: H01J5/04
Abstract: Provided is a high voltage driving device including a housing and a cathode, an anode, and an insulation structure, which are disposed in the housing. Here, the cathode and the anode are spaced apart from each other with the insulation structure therebetween. Also, the insulation structure includes a first solid insulator disposed adjacent to the cathode and a second solid insulator disposed adjacent to the anode. Also, the first solid insulator has first volumetric resistivity less than second volumetric resistivity of the second solid insulator, and the first solid insulator contacts the cathode.
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公开(公告)号：US10580612B2
公开(公告)日：2020-03-03
申请号：US15861554
申请日：2018-01-03
Inventor： Sora Park , Yoon-Ho Song , Jin-Woo Jeong , Jun Tae Kang
Abstract: An electron emission source includes a cathode electrode having a recess region formed in an upper portion thereof and the yarn emitter having a tip shape and provided in the recess region of the cathode electrode. The yarn emitter is spaced from an inner surface of the recess region of the cathode electrode.
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Patent Agency Ranking
公开(公告)号：US10580609B2
公开(公告)日：2020-03-03
申请号：US16430249
申请日：2019-06-03
Inventor： Jin-Woo Jeong , Yoon-Ho Song
Abstract: Provided is an electron emission source including a substrate, a fixed structure provided on the substrate, and an electron emission yarn provided between the substrate and the fixed structure. The fixed structure includes a first portion having a first width and a second portion having a second width greater than the first width, and the electron emission yarn extends on a first sidewall of the first portion of the fixed structure from between the fixed structure and the substrate.
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公开(公告)号：US10566170B2
公开(公告)日：2020-02-18
申请号：US16123374
申请日：2018-09-06
Inventor： Jin-Woo Jeong , Yoon-Ho Song
Abstract: Provided is an X-ray imaging device and a driving method thereof, the X-ray imaging device including an electron beam generation unit including a plurality of nano-emitters and a cathode, a first focusing electrode configured to focus an electron beam emitted from the electron beam generation unit, a deflector configured to deflect the electron beam focused by the first focusing electrode, a limited electrode configured to limit traveling of the electron beam deflected by the deflector, and an anode configured to be irradiated with the electron beam to emit an X-ray, wherein the limited electrode includes a limited aperture which the electron beam pass.
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公开(公告)号：US10559446B2
公开(公告)日：2020-02-11
申请号：US15904820
申请日：2018-02-26
Inventor： Jin-Woo Jeong , Yoon-Ho Song , Jun Tae Kang , Jae-Woo Kim
Abstract: Provided is an X-ray source including a vacuum closed tube. The X-ray source includes a high voltage connection module, a tube module, and a magnetic lens system into which the tube module is inserted. The tube module includes a vacuum closed tube. The vacuum closed tube includes a cathode electrode provided at one end thereof, a nano-emitter on the cathode electrode, an anode electrode provided at the other end, and a first insulation spacer provided between the cathode electrode and the anode electrode. In addition, the vacuum closed tube includes a first conductive tube and a second conductive tube both provided between the cathode electrode and the anode electrode and separated from each other by the first insulation spacer, and a first collimator block covering an inner surface of the first insulation spacer and having a first opening.
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公开(公告)号：US10334712B2
公开(公告)日：2019-06-25
申请号：US15273486
申请日：2016-09-22
Inventor： Jin-Woo Jeong , Yoon-Ho Song
Abstract: Provided herein is a radiography apparatus including an X-ray source configured to irradiate a subject radiation, and a sensing module configured to sense the radiation having passed through the subject, wherein the X-ray source includes a cathode electrode comprising an electric field emitting source configured to emit electrons, an anode electrode disposed opposite to the cathode electrode and configured to use the electrons to generate the radiation, and a current control unit connected to the cathode electrode to control an amount of the electrons.
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公开(公告)号：US10147581B2
公开(公告)日：2018-12-04
申请号：US15233198
申请日：2016-08-10
Inventor： Jun Tae Kang , Yoon-Ho Song , Jae-Woo Kim , Jin-Woo Jeong
IPC: H01J7/18 , H01J19/48 , H01J21/20 , H01J29/50 , H01J35/16 , H01J35/20 , H01J37/06 , H01J37/063 , H01J29/48 , H01J35/06 , H01J9/39 , H01J29/46
Abstract: Disclosed is an x-ray tube including a hybrid electron emission source, which uses, as an electron emission source, a cathode including both a field electron emission source and a thermal electron emission source. An x-ray tube includes an electron emission source emitting an electron beam, and a target part including a target material that emits an x-ray as the emitted electron beam collides with the target part, wherein the electron emission source includes a thermal electron emission source and a field electron emission source, and emits the electron beam by selectively using at least one of the thermal electron emission source and the field electron emission source.
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