Light emission device comprising light emitting organic material and electron injection enhancement structure
US5672938A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 27, 1996 |
| Grant date | Sep 30, 1997 |
| Priority date | — |
| Expiry date | Sep 27, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light emission device including (i) a light emitting organic material, i.e., an organic material which in response to an applied voltage thereon emits light in the visible spectrum; (ii) an array of emitter tip elements in contact with the light emitting organic material; (iii) the first conductor coupled to the emitter tip elements in the array to stimulate emission of electrons from the emitter tip elements when the first conductor is connected to a power supply; (iv) a second conductor contacting the organic material and in depart relationship to the array of emitter tip elements, the second conductor being arranged in relation to the first conductor, to impose an applied voltage on the organic material when the first conductor is connected to the power supply, and electrons are emitted from the emitter tip elements into the light emitting organic material. The light emission devices of the invention may be employed in applications such as electroluminiscent lamps, liquid crystal technologies, field emitter devices, micro-cathode ray tubes, light emitting diode particles, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.