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    • 1. 发明授权
    • Active-matrix field emission pixel
    • 有源矩阵场发射像素
    • US08390538B2
    • 2013-03-05
    • US13244078
    • 2011-09-23
    • Yoon Ho SongDae Jun KimJin Woo JeongJin Ho LeeKwang Yong Kang
    • Yoon Ho SongDae Jun KimJin Woo JeongJin Ho LeeKwang Yong Kang
    • G09G5/00
    • H01J1/304G09G3/22H01J29/04H01J31/127H01J2201/319
    • A field emission pixel includes a cathode on which a field emitter emitting electrons is formed, an anode on which a phosphor absorbing electrons from the field emitter is formed, and a thin film transistor (TFT) having a source connected to a current source in response to a scan signal, a gate receiving a data signal, and a drain connected to the field emitter. The field emitter is made of carbon material such as diamond, diamond like carbon, carbon nanotube or carbon nanofiber. The cathode may include multiple field emitters, and the TFT may include multiple transistors having gates to which the same signal is applied, sources to which the same signal is applied, and drains respectively connected to the field emitters. An active layer of the TFT is made of a semiconductor film such as amorphous silicon, micro-crystalline silicon, polycrystalline silicon, wide-band gap material like ZnO, or an organic semiconductor.
    • 场发射像素包括其上形成有发射电子的场致发射体的阴极,形成从场致发射体吸收电子的荧光体的阳极以及响应于电流源的源极的薄膜晶体管(TFT) 扫描信号,接收数据信号的栅极和连接到场发射器的漏极。 场发射体由诸如金刚石,类金刚石碳,碳纳米管或碳​​纳米纤维的碳材料制成。 阴极可以包括多个场发射器,并且TFT可以包括多个晶体管,其具有施加相同信号的栅极,施加相同信号的源极以及分别连接到场发射极的漏极。 TFT的有源层由诸如非晶硅,微晶硅,多晶硅,宽带隙材料如ZnO的半导体膜或有机半导体制成。
    • 5. 发明授权
    • Method of manufacturing a fine-patternable, carbon nano-tube emitter with high reliabilty
    • 制造具有高可靠性的精细图案化的碳纳米管发射体的方法
    • US07887878B2
    • 2011-02-15
    • US11944149
    • 2007-11-21
    • Dae Jun KimYoon Ho SongJin Woo Jeong
    • Dae Jun KimYoon Ho SongJin Woo Jeong
    • B05D5/12
    • H01J9/025H01J1/304H01J2201/30469
    • A method of manufacturing a carbon nano-tube (CNT) emitter includes the steps of: (a) dispersing a CNT powder, an organic binder, a photosensitive material, a monomer, and a nano-sized metal particle in a solvent to manufacture a CNT paste; (b) coating the CNT paste onto an electrode formed over a substrate; (c) exposing the CNT paste coated on the electrode to thereby perform fine-patterning; (d) plasticizing the finely patterned CNT paste; and (e) processing a surface of the CNT paste such that the surface of the plasticized CNT paste is activated, wherein step (d) includes a first plasticizing step performed in an air atmosphere; and a second plasticizing step performed in a vacuum or inactive gas atmosphere. Improved uniformity of electron emissions in a field emission device is achieved and a plurality of CNT emitter regions are formed within a single pixel.
    • 制造碳纳米管(CNT)发射体的方法包括以下步骤:(a)将CNT粉末,有机粘合剂,感光材料,单体和纳米尺寸金属颗粒分散在溶剂中以制备 碳纳米管 (b)将CNT浆料涂覆在形成在基材上的电极上; (c)使涂覆在电极上的CNT浆料露出,从而进行精细图案化; (d)使精细图案化的CNT浆料塑化; 和(e)处理CNT浆料的表面,使得增塑的CNT浆料的表面被活化,其中步骤(d)包括在空气气氛中进行的第一增塑步骤; 和在真空或惰性气体气氛中进行的第二增塑步骤。 实现了场致发射器件中电子发射的均匀性提高,并且在单个像素内形成多个CNT发射极区域。
    • 7. 发明申请
    • FIELD EMISSION DEVICE
    • 场发射装置
    • US20090058309A1
    • 2009-03-05
    • US12279284
    • 2007-03-27
    • Jin Woo JeongYoon Ho SongDae Jun Kim
    • Jin Woo JeongYoon Ho SongDae Jun Kim
    • G09G3/10H01J1/304
    • H01J1/304H01J63/06
    • Disclosed is a field emission device. The field emission device includes: an anode substrate including an anode electrode formed on a surface thereof and a fluorescent layer formed on the anode electrode; a cathode substrate disposed opposite to and spaced apart from the anode substrate, and including at least one cathode electrode formed toward the anode substrate and a field emitter formed on each cathode electrode; and a gate substrate having one surface in contact with the cathode substrate, wherein the gate substrate include gate insulators surrounding the field emitters and having a plurality of openings exposing the field emitters, and a plurality of gate electrodes formed on the gate insulators around the openings and electrically isolated from one another. Thus, when the trajectories of the electron beams emitted from the emitters are rapidly changed over time by a voltage difference between the gate electrodes, an electron beam-scanned area can be expanded due to residual images and the electron beam can be more uniformly emitted due to an electron beam scattering effect and a linear beam spreading effect, resulting in improved emission uniformity of the fluorescent layer.
    • 公开了一种场致发射装置。 场致发射器件包括:阳极基板,包括形成在其表面上的阳极电极和形成在阳极电极上的荧光层; 阴极基板,设置成与阳极基板相对且间隔开,并且包括朝向阳极基板形成的至少一个阴极电极和形成在每个阴极电极上的场致发射体; 以及具有与所述阴极基板接触的一个表面的栅极基板,其中所述栅极基板包括围绕所述场致发射体的栅极绝缘体,并且具有暴露所述场致发射体的多个开口,以及形成在所述栅极绝缘体周围的所述开口 并彼此电隔离。 因此,当从发射器发射的电子束的轨迹随着时间的推移随着栅电极之间的电压差而快速变化时,电子束扫描区域可以由于残留图像而扩大,并且电子束可以更均匀地发射,因为 电子束散射效应和线性光束扩散效应,导致荧光层的发射均匀性得到改善。