| Patent Number |
Title Of Patent |
Date Issued |
| D422575 |
Liquid crystal display with disk drive |
April 11, 2000 |
|
| D405473 |
Liquid crystal display |
February 9, 1999 |
|
| 7070651 |
Process for growing a carbon film |
July 4, 2006 |
| 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 etching of a substrate and then depositing the film. The etching step creates nucleation sites on the substrate for the film deposition proce |
| 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 |
| 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 |
| 7011927 |
Electron beam duplication lithography method and apparatus |
March 14, 2006 |
| An electron beam duplication lithography apparatus and method for focusing electrons emitted from a mask plate as a result of an application of an electric field between a mask plate and a duplication plate. Irradiation of electrons from the mask plate is assisted through an electric fie |
| 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 |
| 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. |
| 6897603 |
Catalyst for carbon nanotube growth |
May 24, 2005 |
| Nanoparticles are coated using thick-film techniques with a catalyst to promote the growth of carbon nanotubes thereon. In one example, alumina nanoparticles are coated with a copper catalyst. Such nanoparticles can be selectively deposited onto a substrate to create a field emission cat |
| 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. |
| 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 |
| 6849856 |
Electron beam duplication lithography method and apparatus |
February 1, 2005 |
| An electron beam duplication lithography apparatus and method for focusing electrons emitted from a mask plate as a result of an application of an electric field between a mask plate and a duplication plate. Irradiation of electrons from the mask plate is assisted through an electric fie |
| 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 |
| 6819034 |
Carbon flake cold cathode |
November 16, 2004 |
| A field emission cold cathode utilizes a film of carbon flake field emitters deposited thereon. The carbon flakes may exhibit rolled edges, but are still sufficient to provide improved field emission characteristics. A cold cathode using such carbon flake field emitters can be utiliz |
| 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. |
| 6777869 |
Transparent emissive display |
August 17, 2004 |
| A transparent emissive display is created using a transparent anode and a transparent cathode so that images can be viewed from both sides of the field emission display panel. When the phosphor material emits the image, it can pass through the field emission material, if such a material |
| 6750461 |
Large area electron source |
June 15, 2004 |
| By using a large area cathode, an electron source can be made that can irradiate a large area more uniformly and more efficiently than currently available devices. The electron emitter can be a carbon film cold cathode, a microtip or some other emitter. It can be patterned. The cathode c |
| 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 |
| 6692574 |
Gas dispersion apparatus for use in a hot filament chemical vapor deposition chamber |
February 17, 2004 |
| A carbon deposition chamber is provided with several advantages. The gas mixture used within the deposition process is expressed from tubing through three zones, which are each individually determined with needle valves. The substrate is permitted to rotate back-and-forth to permit more |
| 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 |
| 6629869 |
Method of making flat panel displays having diamond thin film cathode |
October 7, 2003 |
| A field emission cathode is provided which includes a substrate and a conductive layer desposed adjacent the substrate. An electrically resistive pillar is disposed adjacent the conductive layer, the resistive pillar having a substantially flat surface spaced from and substantially p |
| 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 |
| 6613204 |
Pretreatment process for a surface texturing process |
September 2, 2003 |
| Before submitting a sample, including a first material layered upon a substrate, to an ion milling process, whereby a second material is sputtered onto the surface of the first material and the sample is then submitted to an etching process, an irregularity is formed on the surface o |
| 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 |
| 6586829 |
Ball grid array package |
July 1, 2003 |
| The present invention provides a glass BGA (ball grid array) including a glass substrate having a plurality of conductive leads, such as thin film metal deposited thereon. A die or chip is mounted in a fixed relationship to the glass substrate, and is often mounted on the glass substrate |
| 6582780 |
Substrate support for use in a hot filament chemical vapor deposition chamber |
June 24, 2003 |
| A carbon deposition chamber is provided with several advantages. The substrate and the heating filaments are cooled to a temperature to prevent carbonization by permitting a cooling fluid to be passed through tubing connected to these elements in a heat sink like manner. The substrate is |
| 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 |
| 6573643 |
Field emission light source |
June 3, 2003 |
| A field emission cathode for use in flat panel displays is described including a layer of conductive material and a layer of amorphic diamond film, functioning as a low effective work-function material, deposited over the conductive material to form emission sites. The emission sites |
| 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 |
| 6552563 |
Display panel test device |
April 22, 2003 |
| A device for testing flat panel displays includes an interface having compliant bumps mounted thereon, which make electrical contact with pads on the display panel. The interface may have a hole formed therein for allowing the passage of light therethrough when the interface is mounted |
| 6504311 |
Cold-cathode cathodoluminescent lamp |
January 7, 2003 |
| A pulsed lamp is supplied wherein electrons are supplied from a substantially flat cold cathode having low effective field emission work function and are accelerated to excite light emission from a phosphor layer on a transparent anode plate. The emission site density of the cathode |
| 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 |
| 6432206 |
Heating element for use in a hot filament chemical vapor deposition chamber |
August 13, 2002 |
| A carbon deposition chamber is provided with several advantages. The heating filaments are permitted to expand and contract without breakage by permitting the electrode attached to one end of the filaments to move freely as the filaments change in length. The substrate is permitted to |
| 6417686 |
Display panel test device |
July 9, 2002 |
| A device for testing flat panel displays includes an interface having compliant bumps mounted thereon, which make electrical contact with pads on the display panel. The interface may have a hole formed therein for allowing the passage of light therethrough when the interface is mounted |
| 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 |
| 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 |
| 6296740 |
Pretreatment process for a surface texturing process |
October 2, 2001 |
| Before submitting a sample, including a first material layered upon a substrate, to an ion milling process, whereby a second material is sputtered onto the surface of the first material and the sample is then submitted to an etching process, an irregularity is formed on the surface o |
| 6292007 |
Probe head assembly |
September 18, 2001 |
| An apparatus for testing semiconductor devices including probe tips for contacting input/output pads on the device attached to a probe membrane fixed to a package using a layer of elastomeric material. The elastomeric material and use of compliant bump probe tips effect a global plan |
| 6213837 |
Inhibiting edge emission for an addressable field emission thin film flat cathode display |
April 10, 2001 |
| On a field emission cathode, emission from the edges of metal conducting feedlines is inhibited, or even eliminated, by depositing a dielectric film over the edges before deposition of the field emitter material. Surface treatment of the metal conducting feedlines or substrate may be |
| 6204834 |
System and method for achieving uniform screen brightness within a matrix display |
March 20, 2001 |
| A system and method for producing uniform energy dissipation in display pixels with widely varying electrical characteristics in order to equalize light output and improve yield within a matrix addressable display panel. The present invention is implemented within a driver circuit utiliz |