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    • 51. 发明授权
    • Photoresist for cathode ray tubes
    • 用于阴极射线管的光刻胶
    • US5536994A
    • 1996-07-16
    • US424907
    • 1995-04-19
    • Hua-Sou TongChun-Min HuYu-Chung Yu
    • Hua-Sou TongChun-Min HuYu-Chung Yu
    • C08L29/04C08L39/06G03F7/012G03F7/033H01J9/227H01J29/22H01J31/20H01J29/10H01J31/00
    • H01J9/2271G03F7/0125
    • The inner surface of a video display panel such as cathode ray tube (CRT) glass faceplate is initially coated with a mixture of one of the primary color phosphors, an organic binder such as polyvinyl alcohol (PVA) diluted with water, and a photoresist agent. The organic binder overcomes the poor adhesion to the glass faceplate of the photoresist which typically includes polyvinyl pyrrolidone (PVP) and reduces the oxygen which decreases phosphor exposure time. To overcome PVA and PVP incompatibilities which give rise to nonuniform film thickness, a vinyl pyrrolidone-vinyl alcohol (VP-VA) copolymer is added to the phosphor, organic binder and photoresist mixture in the range of 0.1-30 wt %. The copolymer with both the VP and VA functioning groups serves as a coupling agent between the PVA and PVP and eliminates incompatibilities between these components. The VP-VA copolymer preferably has a VP/VA mole ratio in the range of 20/80 to 80/20.
    • 首先,将阴极射线管(CRT)玻璃面板等视频显示面板的内表面涂覆有原色荧光体之一,有机粘合剂如用水稀释的聚乙烯醇(PVA)和光致抗蚀剂 。 有机粘合剂克服了通常包括聚乙烯吡咯烷酮(PVP)的光致抗蚀剂的玻璃面板的不良粘附性,并降低氧气,这降低了荧光体曝光时间。 为了克服导致不均匀膜厚度的PVA和PVP不相容性,将乙烯基吡咯烷酮 - 乙烯醇(VP-VA)共聚物加入到0.1-30重量%范围内的荧光体,有机粘合剂和光致抗蚀剂混合物中。 具有VP和VA功能基团的共聚物用作PVA和PVP之间的偶联剂,并消除了这些组分之间的不相容性。 VP-VA共聚物的VP / VA摩尔比优选为20/80〜80/20。
    • 53. 发明授权
    • method of electrophotographic phosphor deposition
    • 电子照相荧光粉沉积方法
    • US5455132A
    • 1995-10-03
    • US250231
    • 1994-05-27
    • Peter M. RittOwen H. Roberts, Jr.Robert E. Kreider
    • Peter M. RittOwen H. Roberts, Jr.Robert E. Kreider
    • G03G13/22H01J9/22H01J9/227G03C5/00
    • G03G13/22H01J9/225H01J9/2276
    • In accordance with the present invention, a method of electrophotographically manufacturing a luminescent screen assembly on a photoreceptor disposed on an interior surface of a faceplate panel for a color CRT includes the steps of: charging the photoreceptor to establish a substantially uniform electrostatic voltage thereon; positioning the panel on an exposure device having a light source therein; exposing selected areas of the photoreceptor to visible light from the light source to affect the voltage thereon, without affecting the voltage on the unexposed area of the photoreceptor; and depositing a triboelectrically charged, first color-emitting phosphor onto the selected areas of the photoreceptor. The charging, positioning, exposing and depositing steps are repeated for a second and a third triboelectrically charged, color-emitting phosphor. The present method is an improvement over prior methods because after each of the phosphor deposition and panel recharging steps, the light source is offset in the exposure device by an amount determined by the voltage difference between the photoreceptor and the phosphor, or phosphors, previously deposited onto the panel, thereby counteracting the repulsive effect of the previously deposited phosphor and minimizing the misregister of subsequently deposited phosphors.
    • 根据本发明,在设置在彩色CRT的面板的内表面上的感光体上电子照相制造荧光屏组件的方法包括以下步骤:对感光体充电以在其上建立基本均匀的静电电压; 将面板定位在其中具有光源的曝光装置上; 将感光体的选定区域从光源暴露于可见光以影响其上的电压,而不影响感光体的未曝光区域上的电压; 以及在感光体的选定区域上沉积摩擦带电的第一发色磷光体。 对于第二和第三摩擦带电的发色磷光体,重复充电,定位,曝光和沉积步骤。 本方法是对现有方法的改进,因为在每次荧光体沉积和面板再充电步骤之后,光源在曝光装置中偏移由感光体和荧光体之间的电压差确定的量,或预先沉积的荧光体 从而抵消了先前沉积的荧光体的排斥效应,并使随后沉积的荧光体的不对准最小化。
    • 56. 发明授权
    • Method of fabricating a phosphor screen for a cathode ray tube
    • 制造阴极射线管荧光屏的方法
    • US5415960A
    • 1995-05-16
    • US154553
    • 1993-11-19
    • Kouji Fujita
    • Kouji Fujita
    • H01J9/227H01J29/20H01J31/20G03C5/00
    • H01J9/2271
    • A method for fabricating a phosphor screen of a cathode ray tube which includes the steps of forming a light absorbing pattern on an inner surface of a panel of the cathode ray tube, applying a slurry of first phosphor on the inner surface of the panel, rotating the panel for drying the slurry of first phosphor around a first axis of rotation, exposing the first phosphor selectively so as to form a first phosphor pattern, applying a slurry of second phosphor on the inner surface of the panel, rotating the panel for drying the slurry of second phosphor around a second axis of rotation, exposing the second phosphor selectively so as to form a second phosphor pattern, applying a slurry of third phosphor on the inner surface of the panel, rotating the panel for drying the slurry of third phosphor around a third axis of rotation, and exposing the third phosphor selectively so as to form a third phosphor pattern, wherein the first, second and third axes of rotation are parallel to one another.
    • 一种阴极射线管的荧光屏的制造方法,其特征在于,在阴极射线管的面板的内表面上形成吸光图案,在面板的内表面上涂敷第一荧光体的浆料,旋转 所述面板用于围绕第一旋转轴线干燥第一荧光体的浆料,以选择性地暴露第一荧光体以形成第一荧光体图案,在面板的内表面上施加第二荧光体的浆料,将面板旋转干燥 第二磷光体围绕第二旋转轴的浆料,选择性地暴露第二荧光体以形成第二荧光体图案,在面板的内表面上施加第三荧光体的浆料,旋转面板以将第三荧光粉的浆料干燥 第三旋转轴,并且选择性地暴露所述第三荧光体以形成第三荧光体图案,其中所述第一,第二和第三旋转轴线平行于一个脱氧核糖核酸 r。
    • 59. 发明授权
    • Method for fabricating pixelized phosphors
    • 像素化荧光体的制造方法
    • US5302423A
    • 1994-04-12
    • US90882
    • 1993-07-09
    • Nang T. TranKenneth R. Paulson
    • Nang T. TranKenneth R. Paulson
    • G21K4/00H01J9/227B05D3/06
    • G21K4/00H01J9/2271G21K2004/06
    • A process for fabricating a pixelized phosphor having a space between the pixels in the range of about 0.5-25 microns, the process comprising the steps of:(a) depositing a phosphor on a support;(b) exposing the deposited phosphor to a source of electromagnetic radiation through a mask thereby ablating the phosphor segmentally, resulting in a series of structures in both said X and Y directions to produce an array of pixelized phosphors separated by slots;(c) filling the resulting slots between the pixelized phosphors with phosphor material of the same or different composition as utilized in step (a) such that each of the pixelized phosphors on the support are separated by a width of from about 0.5-25 microns; and(d) optionally, planarizing the pixelized phosphors.
    • 一种用于制造像素化磷光体的方法,所述像素化磷光体在所述像素之间具有在约0.5-25微米范围内的空间,所述方法包括以下步骤:(a)在支撑体上沉积磷光体; (b)通过掩模将沉积的磷光体暴露于电磁辐射源,从而分段地消融荧光粉,从而在所述X和Y方向上产生一系列结构,以产生由槽间隔开的像素化磷光体阵列; (c)在像素化的荧光体之间用所述步骤(a)中使用的相同或不同组成的磷光材料填充所得到的槽,使得载体上的每个像素化磷光体分开约0.5-25微米的宽度; 和(d)任选地,使像素化磷光体平坦化。