Inventor

HAVEN DUANE A

US43 patents

⚠️ This page may combine multiple inventors who share the name “HAVEN DUANE A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HAVEN DUANE A

CANDESCENT TECH CORP

Fabrication of gated electron-emitting device utilizing distributed particles to form gate openings typically beveled and/or combined with lift-off or electrochemical removal of excess emitter material

Backplate of field emission device with self aligned focus structure and spacer wall locators

Faceplate for field emission display including wall gripper structures

Method of increasing resistance of flat-panel device to bending, and associated getter-containing flat-panel device

Fabrication of gated electron-emitting device utilizing distributed particles to define gate openings, typically in combination with spacer material to control spacing between gate layer and electron-emissive elements

Flat panel display with encapsulated matrix structure

Electron-emitting device having large control openings in specified, typically centered, relationship to focus openings

Integrated metallization for displays

Use of sacrificial masking layer and backside exposure in forming openings that typically receive light-emissive material

High resolution flat panel phosphor screen with tall barriers

Structure and fabrication of electron-emitting device having ladder-like emitter electrode

Structure and fabrication of electron-emitting device having focus coating contacted through underlying access conductor

Formation of layer having openings produced by utilizing particles deposited under influence of electric field

Electrochemical removal of material, particularly excess emitter material in electron-emitting device

Fabrication of gated electron-emitting devices utilizing distributed particles to define gate openings, typically in combination with lift-off of excess emitter material

Electron-emitting device having multi-layer resistor

Light-emitting structure having specially configured dark region

Electron-emitting device having focus coating that extends partway into focus openings

Fabrication of gated electron-emitting device utilizing distributed particles to define gate openings and utilizing spacer material to control spacing between gate layer and electron-emissive elements

Impedance-assisted electrochemical removal of material, particularly excess emitter material in electron-emitting device

Flat panel display with reduced electron scattering effects

Fabrication of electron-emitting device having ladder-like emitter electrode

Multi-step removal of excess emitter material in fabricating electron-emitting device

TEKTRONIX INC

Electron beam-addressed liquid crystal cell having coating layer for secondary electron emission

Method of making multicolor CRT display screen with minimal phosphor contamination

Liquid crystal cell and method of assembly of same

Insulated web collector storage target for a cathode ray tube

Bistable storage cathode ray tube

Bistable storage target having interdigitated target electrode for selective erasure

Selectively erasable storage target with insulated web collector

Process for making bistable storage cathode ray tube

GREYHAWK SYSTEMS INC

Optics for a single-lens video projector with color-specific polarization channels

Apparatus for and method of operation of smectic liquid crystal light valve having scattering centers

Variable density optical filter

CANDESCENT INTELLECTUAL PROP

Encapsulated flat panel display components

Fabrication of electron-emitting device having large control openings centered on focus openings

DISPLAY RES LAB INC

Field emission display with transparent cathode

Vacuum fluorescence display

SILICON VIDEO CORP

Field emission device with internal structure for aligning phosphor pixels with corresponding field emitters

CANDESCENT TECHNOLOGIES INC

Backplate of field emission device with self aligned focus structure and spacer wall locators

CANON KK

Light-emitting and electron-emitting devices having getter regions

VIDEO DISPLAY CORP

Electron-beam-addressed active-matrix spatial light modulator

CANDESCENT INTELLECTUAL PTY SERVICES

Dual-layer metal for flat panel display