Patent Portfolio for Sale:

Display Technology    

Methods, Materials, Circuits & Manufacturing

Overview

* Driver & controller circuits
* Low cost substrates
* High light efficiency
* Backlighting
* Flexible displays
* Color filters

The seller would like to be granted a license back.

Patent Summary

U.S. Patent Classes & Classifications Covered in this listing:

Class 250: Radiant Energy

This class provides for all methods and apparatus for using, generating, controlling or detecting radiant energy, combinations including such methods or apparatus, subcombinations of same and accessories therefore not classifiable elsewhere.

Subclass 205: Controlling light source intensity

Class 315: Electric Lamp And Discharge Devices: Systems

Electric lamp and electric space discharge device systems: structural combinations with circuit elements; structural combinations with heating and/or cooling means; cathode-ray tubes; lamps and/or discharge devices as sole load devices; lamps; electric space discharge devices gas or vapor discharge devices; high vacuum-type discharge devices, and gas or vapor-type discharge devices claimed broadly; plural load device systems; art uses and combinations with art devices; testing electric lamps and discharge devices; and operating a lamp or a gas or vapor discharge device.

Subclass 158: Radiant energy controlled regulation of the current supply for the load device

Class 715: Data Processing: Presentation Processing Of Document

This class provides for data processing means or steps wherein a) human perceptible elements of electronic information (i.e., text or graphics) are gathered, associated, created, formatted, edited, prepared, or otherwise processed in forming a unified collection of such information storable as a distinct entity, b) a users interaction with a computer system is used to control the presentation of display data; such interaction is interpreted and used by a data processor or computer architecture wherein system level elements of computation or data processing techniques are used prior to use with or in a specific display system, or c) a small program takes over a display screen if there are no keystrokes or mouse movements for a specified duration.

Subclass 785: Autoscroll

Class 345: Computer Graphics Processing And Selective Visual Display Systems

Processes and apparatus for selective electrical control of two or more light-generating or light-controlling display elements* in accordance with a received or stored image data signal. The image data includes character, graphical information or display attribute data. The image data may include, for example, information data from a peripheral input device, from the reception of a television signal, from the recognition of image data, or from the generation or creation of image data by a computer.

Subclass 1.1: PLURAL DISPLAY SYSTEMS
Subclass 107: Particle suspensions (e.g., electrophoretic)
Subclass 179: Stylus
Subclass 182: Light pen for fluid matrix display panel
Subclass 183: Light pen for controlling plural light-emitting display elements (e.g., LED, lamps)
Subclass 204: DISPLAY DRIVING CONTROL CIRCUITRY
Subclass 211: Display power source
Subclass 698: Adjusting display pixel size or pixels per given area (i.e., resolution)
Subclass 699: Controller automatically senses monitor resolution
Subclass 87: Liquid crystal display elements (LCD)
Subclass 88: Color

Class 438: Semiconductor Device Manufacturing: Process

This class provides for manufacturing a semiconductor containing a solid-state device for the following purposes: (a) conducting or modifying an electrical current, (b) storing electrical energy for subsequent discharge within a microelectronic integrated circuit, or (c) converting electromagnetic wave energy to electrical energy or electrical energy to electromagnetic energy. Also operations involving: (1) coating a substrate with a semiconductive material, or (2) coating a semiconductive substrate or substrate containing a semiconductive region. It also provides for operations involving etching a semiconductive substrate or etching a substrate containing a semiconductive region. The class provides for packaging or treatment of packaged semiconductor.

Subclass 29: Including integrally formed optical element (e.g., reflective layer, luminescent material, contoured surface, etc.)

Class 257: Active Solid-State Devices (E.G., Transistors, Solid-State Diodes)

This class provides for active solid-state electronic devices, that is, electronic devices or components that are made up primarily of solid materials, usually semiconductors, which operate by the movement of charge carriers - electrons or holes - which undergo energy level changes within the material and can modify an input voltage to achieve rectification, amplification, or switching action, and are not classified elsewhere.

Subclass E45.001: SOLID-STATE DEVICES ADAPTED FOR RECTIFYING, AMPLIFYING, OSCILLATING, OR SWITCHING WITHOUT POTENTIAL-JUMP BARRIER OR SURFACE BARRIER, E.G., DIELECTRIC TRIODES; OVSHINSKY-EFFECT DEVICES, PROCESSES, OR APPARATUS PECULIAR TO MANUFACTURE OR TREATMENT THEREOF, OR OF PARTS THEREOF (EPO)

Class 359: Optical: Systems And Elements

Optical elements included in this class are: Lenses; Polarizers; Diffraction gratings; Prisms; Reflectors; Filters; Projection screens; Optical Modulators; Optical Demodulators. Among the optical systems included in this class are: Compound lens systems; Light reflecting signalling systems (e.g., retroreflectors); stereoscopic systems; Binocular devices; Systems of lenticular elements; Systems involving light interference; Glare reducing systems; Light dividing and combining systems; Light control systems (e.g., light valves); building illumination with natural light; Systems for protecting or shielding elements; Optical systems whose operation depends upon polarizing, diffracting, dispersing, reflecting, or refracting light; kaleidoscopes. Further included are certain apertures, closures, and viewing devices of a specialized nature which involve no intentional reflection, refraction, or filtering of light rays. This class also includes optical elements combined with another type of structure(s) to constitute an optical element combined with a nonoptical structure or a perfection or improvement in the optical element.

Subclass 228: Fluid
Subclass 276: Amplitude modulation
Subclass 290: By changing physical characteristics (e.g., shape, size or contours) of an optical element
Subclass 291: Shape or contour of light control surface altered
Subclass 296: Changing position or orientation of suspended particles
Subclass 886: Fluid

Class 324: Electricity: Measuring And Testing

This is the residual home for all subject matter, not elsewhere classified, relating to the measuring, testing (or sensing) of electric properties, (e.g., determining ground resistivity, determining frequency of an alternating current, determining kilowatt hour demand), or the measuring, testing or sensing of nonelectric properties by electric means (e.g., determining moisture, a nonelectric property, by measuring conductance with a resistance bridge; determining speed, a nonelectric property by use of an electric tachometer).

Subclass 415: ELECTROMECHANICAL SWITCHING DEVICE
Subclass 418: Relay

Class 353: Optics: Image Projectors

Projectors for particular types of objects to be projected; such as maps and aerial photographs, targets, transparent plates, information data, microscopic objects, scales and indicators, and stencils or perforated plates. Various other species and types of projectors are also included here such as kaleidoscopic, heliostats, stereoscopic and relief, pointers, gun type, moving images on screens, episcopes and cabinets including screens. Various plural and composite types of projectors are included such as projectors involving plural projected images including multicolor, projectors for images combined with real objects, projectors with manual delineation, and plural projection with a single light source. Projectors selective at the operators choice are also included as where the selection is between a slide and a film strip, between a cabinet and a distant screen, and between opaque and transparency projection.

Subclass 84: COLOR FILTER

Class 348: Television

Generating, processing, transmitting or transiently displaying a sequence of images, either locally or remotely, in which the local light variations composing the images may change with time.

Subclass E9.027: Using light modulating optical valves (EPO)

Class 178: Telegraphy

Means for transmitting to a distance messages, unlimited with respect to the extent of information they are adapted to convey, and the transmission and facsimile reproduction of written, printed, or otherwise produced characters, marks, pictures, etc., unlimited with respect to form or outline, by the utilization of conductive or inductive electrical current impulses or reversals, the elements of the messages being selected or composed at will, according to a prearranged code, or the transmitter being actuated or controlled by a previously designed pattern.

Subclass 19.05: Light pen

Class 385: Optical Waveguides

(1) An optical waveguiding element, which conveys light from one point to another through an optically transparent elongated structure by modal transmission, total internal reflection, or total reflectorization. (2) A combination of an optical waveguiding element with an additional broadly recited optical element which couples light or a combination. (3) A combination of an optical waveguiding element with structure which mechanically joins this waveguiding element with another or with a diverse optical element. (4) An optical modulator where the modulation of a light wave characteristic is performed exclusively within an optical waveguiding element. (5) Other miscellaneous devices formed of an optical waveguide (e.g., a waveguide sensing device) and supplemental devices which are limited to use with an optical waveguide (e.g., an external clamp or retainer).

Subclass 14: INTEGRATED OPTICAL CIRCUIT
Subclass 31: Input/output coupler

Class 283: Printed Matter

This class consists of articles the physical structure of which, except strips, books, and leaves, is not a part of the inventions or is deemed to be conventional, bearing indicia which primarily effect intellectual impressions other than the esthetic, and combinations of such strips, books and leaves with other things not classifiable elsewhere.

Subclass 83: And electrically conductive material

Class 281: Books, Strips, And Leaves

Books, strips, and leaves and various combinations thereof, combinations thereof with other things for which no other place is provided, processes of making where the processes are fully disclosed in the articles, and accessories to books, strips, and leaves, such as protectors, book-leaf holders and marks, and holders, therefor, for which no other place is provided.

Subclass 51: MISCELLANEOUS

Class 40: Card, Picture, Or Sign Exhibiting

Means for displaying information by printed or painted cards, calendars, photographic transparency viewers, railroad train station indicators, pictures, labels or tags or index files. Picture frames and stands for supporting pictures are also included. Albums are included in subclasses Changing exhibitors, Hinged leaves; Changing exhibitors, Pivoted plates, and in Picture frames, Mats, Mounts and backs, Pocketed. Such station-indicators as change the reading matter displayed are included under the several subclasses of Changing exhibitors.

Subclass 452: Illuminated

Class 446: Amusement Devices: Toys

This class is a specific class under the broader class of Amusement and Exercising Devices, and includes patents relating to devices of the type whose principal purpose is for the amusement or recreation of children, wherein there is some physical interaction between a person and the device.

Subclass 485: With lamp