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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 5686781 | Far-infrared emitting cathode ray tube A cathode ray tube which emits harmful electromagnetic waves includes far-infrared emitting material which emits far-infrared rays which reduce the harmful effects of electromagnetic waves. The far-infrared emitting cathode ray tube is obtained by includi... | 11/11/1997 |
| 5565731 | Cathode ray tube Disclosure is related to a cathode ray tube including a panel forming a fluorescent layer therein, and a funnel connected to a panel and including an electron gun and a deflection yoke mounted inside and near the neck portion thereof, respectively, which ... | 10/15/1996 |
| 5561341 | Cathode ray tube with improved electrical connection means A cathode ray tube relates to the improvement of its contact spring for grounding thermoelectrons remaining on a phosphor layer to an external anode, and the coupling structure of the contact spring. One end of the contact spring whose other end has a cir... | 10/01/1996 |
| 5521459 | Liquid cooling type projection cathode ray tube A projection cathode ray tube has a liquid coolant coupling apparatus whose structure is improved. The projection cathode ray tube includes a funnel having an electron gun in its neck end and a face plate provided with a screen at the other end, a rectang... | 05/28/1996 |
| 5471111 | Liquid cooling type projection cathode ray tube A projection cathode ray tube has a liquid coolant coupling apparatus whose structure is improved. The projection cathode ray tube includes a funnel having an electron gun in its neck end and a face plate provided with a screen at the other end, a rectang... | 11/28/1995 |
| 5466496 | Liquid crystal-dispersed polymeric film Liquid crystal films which are stable to light, moisture and heat, and which have an improved response time and viewing angle are provided by combining ferroelectric liquid crystals and a polymer matrix. The invention further provides for liquid crystal d... | 11/14/1995 |
| 5459372 | Impregnated cathode structure An impregnated cathode structure has: (1) a sleeve having a truncated conically-shaped top portion with an opening having a predetermined diameter at the center thereof; (2) oxide cathode material formed within and conforming to the shape of the sleeve to... | 10/17/1995 |
| 5455083 | Liquid crystal optical shutter A liquid crystal optical shutter is disclosed. The liquid crystal optical shutter comprises two sheets of transparent, conductive substrates; a light-adjusting layer supported between the sheets, which comprises a transparent, thin film of polymer prepared by ... | 10/03/1995 |
| 5455482 | Cathode ray tube Disclosure is related to a cathode ray tube including a panel formed with a fluorescent layer, and a funnel connected to the panel and provided with an electron gun and a deflection yoke installed inside and near the neck portion, respectively, which sati... | 10/03/1995 |
| 5451834 | In-line type electron gun for color cathode ray tube An electron gun for use in a color picture tube which can reduce the astigmatism of main electron lenses and to make small circular beam spots. The electron gun has three cathodes each injecting an electron beam respectively and main electron lenses which... | 09/19/1995 |
| 5446338 | Cathode ray tube provided with a bar code A cathode ray tube includes a panel having an inner surface and an outer surface and a funnel connected to the panel having a neck portion dimensioned to house an electron gun. A single strip of synthetic resin material is coated on a predetermined area o... | 08/29/1995 |
| 5444261 | Far infrared emitting image display device A housing for an image display device and an image display device are provided which include a cabinet having an opening for viewing an electronic information display accommodated in the cabinet, wherein at least a portion of the cabinet is formed from a ... | 08/22/1995 |
| 5408226 | Liquid crystal display using a plasma addressing method A liquid crystal display (LCD) using a plasma addressing method includes a sequentially arranged face plate, intermediary plate, and rear plate separated from each other by predetermined distances; a liquid crystal portion including a liquid crystal mater... | 04/18/1995 |
| 5404153 | Super VGA monitor interface circuit The conventional super VGA (video graphic array) monitor interface circuit controls the output mode of the monitor according to the width and polarity of vertical and horizontal synchronizing input signals, so it has disadvantage that it is difficult to c... | 04/04/1995 |
| 5404071 | Dynamic focusing electron gun A dynamic focusing electron gun is provided which includes a cathode and first and second grids which collectively form a triode, a plurality of electrodes for forming an auxiliary lens, and an anode installed adjacent to the final electrode of the auxili... | 04/04/1995 |
| 5401437 | Polymer dispersed liquid crystal for wide viewing angle The polymer dispersed liquid crystal according to the present invention comprises about 5 to about 40% by weight of liquid crystal mixture and about 60 to about 95% by weight of polymer, the polymer consisting of 1 to 40% by weight of oligomer and monomer... | 03/28/1995 |
| 5394052 | Shadow mask frame assembly A shadow mask frame assembly includes hook springs made of a plate-like bimetal member whose outer side is a high-expansion side and inner side is a low-expansion side, is fixed on a frame in the direction of an electron beam proceeding axis, and is nearl... | 02/28/1995 |
| 5386178 | Electron gun for a color cathode ray tube An electron gun for a color cathode ray tube includes a cathode, control and screen electrodes forming a triode, 1st to 3rd focus electrodes forming a first unipotential prefocus lens, 4th and 5th focus electrodes forming a second unipotential prefocus le... | 01/31/1995 |
| 5384513 | Cathode ray tube with improved focusing characteristics Disclosure relates to a cathode ray tube formed in the neck portion of a funnel, which comprises an electron gun including a cathode, a control electrode and a screen electrode constituting a triode, and a magnetic substance formed between the cathode and... | 01/24/1995 |
| 5384514 | Plasma display device A direct current type plasma display device includes an auxiliary discharge cell which has barrier walls for preventing cross-talk. First and second barrier walls are provided on front and rear plates respectively. The first and second barrier walls are i... | 01/24/1995 |
| 5383040 | Plasma addressed liquid crystal display with center substrate divided into separate sections A plasma addressed liquid crystal device (LCD) and its manufacturing method is disclosed wherein a second substrate is divided into segments which are connected at a joint. A third substrate is provided which includes a plurality of barriers formed thereo... | 01/17/1995 |
| 5382872 | Electron gun for a color cathode ray tube An electron gun for a color cathode ray tube includes a last accelerating electrode having a large-caliber electron beam passing hole for commonly passing red, blue, and green electron beams. Both ends of the beam passing hole include circular arc portion... | 01/17/1995 |
| 5379117 | Supporting member for a VLMF coil A supporting member for a VLMF coil having a coupling portion with the same curvature as that of the corner portions of a CRT and a transversely elongated slot for inserting the VLMF coil. The supporting member protects the VLMF coil from any deformation ... | 01/03/1995 |
| 5377029 | Plasma addressed liquid crystal display A plasma addressed liquid crystal display is disclosed whose addressing unit comprises barriers of a predetermined height formed between planar second and third substrates, a single or divided first electrode positioned on the inner face of the third subs... | 12/27/1994 |
| 5376863 | Elastic supporting member for shadow mask frame The present elastic supporting member for use in a shadow mask frame has a fixing plate attached to the shadow mask frame; a supporting plate suspended from a conventional stud pin; a spring member interposed between the fixing plate and supporting plate;... | 12/27/1994 |
| 5369338 | Structure of a plasma display panel and a driving method thereof A plasma display panel (PDP) is disclosed which includes a plurality of anodes formed on an upper plate, a plurality of first sustaining electrodes and a plurality of alternating second sustaining electrodes and cathodes formed on a lower plate, and a die... | 11/29/1994 |
| 5361080 | Liquid crystal display using a plasma addressing mode and a driving method thereof A liquid crystal display (LCD) using a plasma addressing mode can be applied to the picture display of the two field-technique of an interlaced system used in televisions and whose plasma channels are formed by parallel arranged second electrodes, dielect... | 11/01/1994 |
| 5355107 | Deflection yoke with leaking magnetic field prevention coils The present invention is relative to a deflection yoke in which a leaking magnetic field preventing member is formed without a magnetic body, such that coil winding parts are formed opposite to and apart from each other at a predetermined distance in the ... | 10/11/1994 |
| 5355049 | Assembly of shadow mask frame with inner shield for color cathode ray tube The present invention provides the assembly of a shadow mask frame with an inner shield for a color cathode ray tube having a shadow mask frame, an inner shield and a clip for coupling the shadow mask frame with the inner shield, the frame having a rim pa... | 10/11/1994 |
| 5350971 | Blue-emitting phosphor for use in fluorescent lamps and fluorescent lamp employing the same A blue-emitting phosphor of europium-activated barium magnesium aluminate is used in a high color rendering three-band type fluorescent lamp, in which the particle size distribution is uniform to obtain excellent phosphor layer. A fluorescent lamp employi... | 09/27/1994 |
| 5347366 | Fixation structure of deflection yoke and focus magnet for projection cathode ray tube A structure for fixing a deflection yoke and a focus magnet on the periphery of a projection cathode ray tube. A fixing part of the focus magnet and a fixing part of the deflection yoke are overlapped and these two fixing parts are fixed on the periphery ... | 09/13/1994 |
| 5344353 | Method for manufacturing a cathode ray tube using a film layer composition A method for manufacturing a cathode ray tube is provided which comprises (a) spraying on the inner surface of a phosphor layer of a phosphor coated panel, an organic composition for forming a heat labile film, the organic composition being free of flamma... | 09/06/1994 |
| 5341070 | Electron gun for a color cathode ray tube An electron gun for a color cathode ray tube includes a cathode, a control electrode and a screen electrode constituting a prepositioned triode. First, second, third and fourth focus electrodes form two pre-focus lenses and a final accelerating electrode ... | 08/23/1994 |
| 5341064 | Cathode assembly of an electron gun for a color cathode ray tube Disclosed is a cathode assembly of an electron gun for a color cathode ray tube in which a heater support structure is improved. The cathode assembly of an electron gun for a color cathode ray tube comprising three cylindrical sleeves which are arranged i... | 08/23/1994 |
| 5334409 | Cathode ray tube and process for producing same A cathode ray tube having an antistatic and non-glare coating with a controlled and uniform degree of unevenness, can be produced by the process which comprises the steps of mixing an alcohol solution of an acid and a partially hydrolyzed alkylsilicate mo... | 08/02/1994 |
| 5332949 | Structure and driving method of a plasma display panel A plasma display panel includes stripe-like anodes and barrier ribs on an upper face plate, first sustaining electrodes over the inner surface of a lower rear plate, and stripe-like cathodes on the first sustaining electrodes insulated from the first sust... | 07/26/1994 |
| 5331252 | Structure and driving method of a plasma display panel A plasma display panel includes anodes and barrier ribs formed on an upper face plate, first sustaining electrodes which are formed on a lower rear plate, and covered with a dielectric material, and cathodes which are formed on the dielectric material and... | 07/19/1994 |
| 5329288 | Flat-panel display device A flat-panel display device is disclosed which comprises m column electrodes, n row electrodes, a column electrode driver for driving the m column electrodes in response to pixel data, and a row electrode driver for driving the n row electrodes by a one-l... | 07/12/1994 |
| 5329203 | Flat cold cathode fluorescent lamp with improved luminance A flat cold cathode fluorescent lamp include front and rear plates separated by spacers. A phosphor layer is formed on each upper side of a spacer in contact with a phosphor layer of the front plate, and an auxiliary electrode is provided lengthwise on ea... | 07/12/1994 |
| 5315213 | Structure and driving method of a plasma display panel A plasma display panel includes barriers arranged in a striped form on a front plate, a sustaining electrode formed over the entire surface of a backing plate, insulating layers coated on the sustaining electrode in a matrix form, first electrodes formed ... | 05/24/1994 |
