| Patent Number |
Title Of Patent |
Date Issued |
| RE37682 |
Method of fabricating a liquid crystal display |
April 30, 2002 |
| A light influencing element and the process of fabricating the same is disclosed, wherein the light influencing element is fabricated by disposing a layer of a substantially opaque material upon a transparent substrate. One or more openings or wells may then be cut or formed in the s |
| RE36711 |
Method of fabricating a liquid crystal display |
May 23, 2000 |
| A light influencing element and the process of fabricating the same is disclosed, wherein the light influencing element is fabricated by disposing a layer of a substantially opaque material upon a transparent substrate. One or more openings or wells may then be cut or formed in the s |
| D514386 |
Passover cup |
February 7, 2006 |
|
| D422575 |
Liquid crystal display with disk drive |
April 11, 2000 |
|
| 7611906 |
Functionalized carbon nanotubes |
November 3, 2009 |
| Carbon nanotubes are grown on a first substrate. The CNTs grown on the first substrate are immersed in a biological solution at a predetermined depth to functionalize ends of the CNTs with a biological molecule. The functionalized CNTs are harvested from the first substrate. A second |
| 7575720 |
Capacitance based biosensor |
August 18, 2009 |
| A method for electronically detecting an electrostatic based biological binding event. This same binding event can be detected optically via complicated experimental setups. A balanced coil system is incorporated into a hand held unit with a plug-in chip. The chip may further be made |
| 7563722 |
Method of making a textured surface |
July 21, 2009 |
| A method of micro- and nanotexturing of various solid surfaces in plasma where carbon nanotubes are used as an etch mask. The method allows obtaining textures with feature sizes that can be controlled with the nanotube dimensions and the density of coating the treated surface. |
| 7560134 |
Nanoparticle implantation |
July 14, 2009 |
| A method for forming a coating of nano-sized material on the surface of another material using a micromachining bead-blasting machine for implantation of nanoparticles is disclosed. The method can be practiced with a wide range of target materials, nanoparticles (such as carbon-nanot |
| 7462498 |
Activation of carbon nanotubes for field emission applications |
December 9, 2008 |
| Substantially enhanced field emission properties are achieved by using a process of covering a non-adhesive material (for example, paper, foam sheet, or roller) over the surface of the CNTs, pressing the material using a certain force, and removing the material. |
| 7452735 |
Carbon nanotube deposition with a stencil |
November 18, 2008 |
| Composition of carbon nanotubes (CNTs) are produced into inks that are dispensable via printing or stencil printing processes. The CNT ink is dispensed into wells formed in a cathode structure through a stencil. |
| 7300634 |
Photocatalytic process |
November 27, 2007 |
| A photocatalytic cleaner for air or water includes a photocatalytic material coating a substrate. An anode, positioned a predetermined distance from the substrate, includes a phosphor that emits ultraviolet light in response to bombardment by electrons from a field emission cathode e |
| 7287412 |
Method and apparatus for sensing hydrogen gas |
October 30, 2007 |
| A hydrogen sensor and/or switch fabricated from an array of nanowires or a nanoparticle thick film composed of metal or metal alloys. The sensor and/or switch demonstrates a wide operating temperature range and shortened response time due to fabrication materials and methods. The nan |
| 7195938 |
Activation effect on carbon nanotubes |
March 27, 2007 |
| Particles, which may include nanoparticles, are mixed with carbon nanotubes and deposited on a substrate to form a cold cathode. The particles enhance the field emission characteristics of the carbon nanotubes. An additional activation step may be performed on the deposited carbon na |
| 7057578 |
Active projection screen |
June 6, 2006 |
| A screen (which may be a display or electronic display) for projection that has embedded in the screen other active display technologies, such as LEDs, LCDs, etc., or the screen itself is a hybrid of translucent surfaces with a low-resolution display. This display will have two faces |
| 7057203 |
Low work function material |
June 6, 2006 |
| The present invention is directed toward methods for incorporating low work function metals and salts of such metals into carbon nanotubes for use as field emitting materials. The present invention is also directed toward field emission devices, and associated components, comprising |
| 7040948 |
Enhanced field emission from carbon nanotubes mixed with particles |
May 9, 2006 |
| The present invention is directed toward cathodes and cathode materials comprising carbon nanotubes (CNTs) and particles. The present invention is also directed toward field emission devices comprising a cathode of the present invention, as well as methods for making these cathodes. In |
| 7038637 |
System and method for selling advertising space on electronic billboards over the internet |
May 2, 2006 |
| Electronic billboards, which may be indoor or outdoor are located in various geographical areas. Associated with each billboard is a web address. A client desiring to display information, such as an advertisement, on any selected electronic billboard can upload the information over t |
| 6979947 |
Nanotriode utilizing carbon nanotubes and fibers |
December 27, 2005 |
| A field emission device includes a substrate in which a well has been formed. Carbon fibers with a high aspect ratio are deposited within the well, wherein the well is sufficiently deep so that axes of a large number of the carbon fibers are substantially coaxial with a long axis of the |
| 6977628 |
Method and apparatus for dynamically presenting a pictorial representation |
December 20, 2005 |
| An artistic rendering (10) includes first areas (12) for providing a static image and second areas (14) for providing a dynamic image. The artistic rendering may be, for example, a conventional work of art, a game board or other pictoral representation. The static image may be generated |
| 6975063 |
Metallization of carbon nanotubes for field emission applications |
December 13, 2005 |
| The present invention is directed towards metallized carbon nanotubes, methods for making metallized carbon nanotubes using an electroless plating technique, methods for dispensing metallized carbon nanotubes onto a substrate, and methods for aligning magnetically-active metallized c |
| 6958576 |
Method of operating a flat CRT display |
October 25, 2005 |
| A plurality of field emission device cathodes each generate emission of electrons, which are then controlled and focused using various electrodes to produce an electron beam. Horizontal and vertical deflection techniques, similar to those used within a cathode ray tube, operate to sc |
| 6933670 |
Flat multi-spectral light source |
August 23, 2005 |
| Cold cathodes are used as field emitters within a multi-spectral light source, which is flat and compact. With the use of filters, very narrow and tunable light wavelengths can be achieved from a single lamp having a large selection of spectral behavior. |
| 6885022 |
Low work function material |
April 26, 2005 |
| A cathode includes a carbon nanotube layer, which is optimized with a low work function material, such as an alkali. The inclusion of the alkali material improves the field emission properties of the carbon nanotube layer. |
| 6883918 |
Portable, digital projector device and a system using the same |
April 26, 2005 |
| A portable, personal, wearable image projection system is described in which light is provided by a low power, light weight source so as to minimize overheating and overburdening the user. Source images are initially displayed on an image projection screen, and then displayed on an a |
| 6854850 |
Multiple images from a single projector |
February 15, 2005 |
| An image projection system capable of projecting images to multiple screens or viewing surfaces. The system uses a moveable mirror to direct the projected images to the screens. The moveable mirror may work in concert with one or more fixed mirrors to reflect the projected images to scre |
| 6819035 |
Cold cathode |
November 16, 2004 |
| A carbon film having an area of insulating material surrounded by an area of conducing material, and an area of material between the area of insulating material and the area of conducting material having a graded dielectric constant which varies from high to low from the area of insu |
| 6798131 |
Display having a grid electrode with individually controllable grid portions |
September 28, 2004 |
| A multiplexed grid structure for electron emission displays allows each of the grid portions to be independently controllable from each other so that electrons can be emitted from their respective pixel sites as each grid portion is addressed. |
| 6798127 |
Enhanced field emission from carbon nanotubes mixed with particles |
September 28, 2004 |
| The present invention is directed toward cathodes and cathode materials comprising carbon nanotubes (CNTs) and particles. The present invention is also directed toward field emission devices comprising a cathode of the present invention, as well as methods for making these cathodes. In s |
| 6739932 |
Field emission display using carbon nanotubes and methods of making the same |
May 25, 2004 |
| Embossed microstructures within a substrate are used to create narrow and deep holes within that substrate. A carbon nanotube solution or mixture is then deposited over this substrate with the embossed holes. Shaking or vibrating the substrate will then cause the carbon nanotubes to fall |
| 6726335 |
Shutter for image projection system |
April 27, 2004 |
| An image projection system comprises an image projector, such as a film or television projector and a projection screen. The projection screen is fabricated of a substantially transparent material, such as glass or plastic. The screen of transparent material has one or more areas or |
| 6664728 |
Carbon nanotubes with nitrogen content |
December 16, 2003 |
| Field emission characteristics of carbon films are improved by changing the conditions of the growth of the films, by adding nitrogen, or substitutes to the nitrogen for hydrogen, in the carbon film growth process. Resulting field emission cathodes exhibit better field emission character |
| 6664722 |
Field emission material |
December 16, 2003 |
| A carbon film having an area of insulating material surrounded by an area of conducing material, and an area of material between the area of insulating material and the area of conducting material having a graded dielectric constant which varies from high to low from the area of insu |
| 6635986 |
Flat CRT display |
October 21, 2003 |
| A plurality of field emission device cathodes each generate emission of electrons, which are then controlled and focused using various electrodes to produce an electron beam. Horizontal and vertical deflection techniques, similar to those used within a cathode ray tube, operate to sc |
| 6630023 |
Surface treatment process used in growing a carbon film |
October 7, 2003 |
| A film (carbon and/or diamond) for a field emitter device, which may be utilized within a computer display, is produced by a process utilizing treatment of a substrate and then depositing the film. The treatment step creates nucleation and growth sites on the substrate for the film d |
| 6616284 |
Displaying an image based on proximity of observer |
September 9, 2003 |
| A method and system for projecting an image. An image projection system may include a sensor configured to detect the presence of an observer within a proximity of a medium, e.g., screen, window. In response to the sensor detecting the presence of an observer within a proximity of the me |
| 6588909 |
Shutter for image projection system |
July 8, 2003 |
| An image projection system comprises an image projector, such as a film or television projector and a projection screen. The projection screen is fabricated of a substantially transparent material, such as glass or plastic. The screen of transparent material has one or more areas or |
| 6586889 |
MEMS field emission device |
July 1, 2003 |
| A ceramic actuator array is utilized to move a field emitter material for each pixel or subpixel to a level where an electric field causes electrons to be emitted from the emitter material towards a phosphor layer in an anode for that particular pixel. When the actuator is in an off stat |
| 6580225 |
Cold cathode |
June 17, 2003 |
| A carbon film having an area of insulating material surrounded by an area of conducing material, and an area of material between the area of insulating material and the area of conducting material having a graded dielectric constant which varies from high to low from the area of insu |
| 6580211 |
Triode assembly for carbon cold cathode |
June 17, 2003 |
| A triode structure code cathode assembly is produced by depositing a carbon emitter material onto a substrate to form a cathode structure. Then, an insulating layer is deposited onto one side of a mesh foil to form a mesh assembly. This mesh assembly is then mechanically attached to the |
| 6577355 |
Switchable transparent screens for image projection system |
June 10, 2003 |
| An image projection system comprises an image projector, such as a film or television projector and a projection screen. The projection screen is fabricated of a substantially transparent material, such as glass or plastic. The screen of transparent material has one or more areas or |
| 6572232 |
Image projection system |
June 3, 2003 |
| An image projection system comprises an image projector, such as a film or television projector and a projection screen. The projection screen is fabricated of a substantially transparent material, such as glass or plastic. The screen of transparent material has one or more areas or |
| 6531828 |
Alignment of carbon nanotubes |
March 11, 2003 |
| Carbon nanotubes are aligned within a host phase of a material that has molecules that will align under a certain influence. When the host molecules become aligned, they cause the carbon nanotube fibers to also become aligned in the same direction. The film of aligned carbon nanotubes |
| 6479939 |
Emitter material having a plurlarity of grains with interfaces in between |
November 12, 2002 |
| A carbon film having an area of insulating material surrounded by an area of conducing material, and an area of material between the area of insulating material and the area of conducting material having a graded dielectric constant which varies from high to low from the area of insu |
| 6441543 |
Flat CRT display that includes a focus electrode as well as multiple anode and deflector electro |
August 27, 2002 |
| A plurality of field emission device cathodes each generate emission of electrons, which are then controlled and focused using various electrodes to produce an electron beam. Horizontal and vertical deflection techniques, similar to those used within a cathode ray tube, operate to sc |
| 6411020 |
Flat CRT display |
June 25, 2002 |
| A plurality of field emission device cathodes each generate emission of electrons, which are then controlled and focused using various electrodes to produce an electron beam. Horizontal and vertical deflection techniques, similar to those used within a cathode ray tube, operate to sc |
| 6312303 |
Alignment of carbon nanotubes |
November 6, 2001 |
| Carbon nanotubes are aligned within a host phase of a material that has molecules that will align under a certain influence. When the host molecules become aligned, they cause the carbon nanotube fibers to also become aligned in the same direction. The film of aligned carbon nanotubes |
| 6310675 |
Liquid crystal display |
October 30, 2001 |
| An improved efficiency liquid crystal display device (10) includes at least two pairs of electrode disposed above and below, and on two sides of each display pixel (12). Each pair of electrodes is capable of applying an electrical field to a layer of liquid crystal material disposed |
| 6310432 |
Surface treatment process used in growing a carbon film |
October 30, 2001 |
| A film (carbon and/or diamond) for a field emitter device, which may be utilized within a computer display, is produced by a process utilizing treatment of a substrate and then depositing the film. The treatment step creates nucleation and growth sites on the substrate for the film d |
| 6262789 |
Liquid display and method of making same |
July 17, 2001 |
| A liquid crystal display device includes a substrate having one or more electrodes formed onto one major surface thereof. The substrate and electrodes are then coated with a layer of a dielectric material through which is formed a plurality of openings or vias. Into the openings is d |
| 6259501 |
Liquid crystal display with dielectric layer having at least two openings corresponding to each |
July 10, 2001 |
| A liquid crystal display device includes a substrate having one or more electrodes formed onto one major surface thereof. The substrate and electrodes are then coated with a layer of a dielectric material through which is formed a plurality of openings or vias. Into the openings is d |