A portion of the disclosure of this patent document contains material which is subject to copyright or mask work protection. The copyright or mask work owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but otherwise reserves all copyright or mask work rights whatsoever.
The present invention is related to the following co-pending U.S. Patent applications which are all commonly owned with the present application, the entire contents of each of which are incorporated herein by reference:
This relates to ultra-small resonant EMR structures, and, more particularly, to methods, devices and systems producing illumination and effects using such structures.
The following description, given with respect to the attached drawings, may be better understood with reference to the non-limiting examples of the drawings, wherein:
The related applications describe various ultra-small electromagnetic radiation (EMR) emitting structures. The wavelength/frequency of the emitted EMR may be controlled or may depend on the structure used. U.S. application Ser. No. 11/418,089, incorporated herein by reference, discloses solid-state lighting and special illumination effects using such ultra-small structures. As disclosed, a light-emitting structure may be (or may be incorporated in) any kind of light or light fixture, including room lighting fixtures, workspace lighting (e.g., desk lighting), vehicle lighting and the like.
Various ones of the related applications, including, e.g., U.S. application Ser. Nos. 11/418,129; 11/418,099; 11/349,963; and 11/325,448, each incorporated herein by reference, disclose incorporating data on EMR emitted by an ultra-small structure.
As described in the related applications, the charged particle beam can include ions (positive or negative), electrons, protons and the like. The beam may be produced by any source, including, e.g., without limitation, an ion gun, a thermionic filament, a tungsten filament, a cathode, a field-emission cathode, a planar vacuum triode, an electron-impact ionizer, a laser ionizer, a chemical ionizer, a thermal ionizer, an ion-impact ionizer.
Each ultra-small resonant structure is constructed and adapted to emit light at a particular wavelength/frequency (or within a particular range of wavelengths). Thus, a particular device may emit light at a number (n) of wavelengths. In some embodiments, URSi are constructed and adapted so that, in conjunction, they emit light across a range of visible wavelengths.
A light-emitting structure may be made up of a collection of light emitters (as described above) formed, e.g., on a substrate. Each of the light emitters may be identical, or different ones of the light emitters may be constructed and adapted to emit light at a different wavelength (or group of wavelengths). The various light emitters may be arranged in any way on the substrate.
A controller or switching mechanism may be operatively connected to some or all of the light emitters in order to control their respective on/off states as well as their respective emitted wavelengths.
A light-emitting structure may be (or may be incorporated in) any kind of light or light fixture; including room lighting fixtures, workspace lighting (e.g., desk lighting), vehicle lighting and the like. The light-emitting structures can also be incorporated in any environment where conventional light is emitted, such as, e.g., in signs, hand-held lights, vehicles or on any other lighted environment.
The light emitters emit EMR (denoted W), as previously described.
A data source 104 provides data (D) to the light emitters. The data (D) are encoded into the emitted light (W), e.g., in a manner described in one or more of the related applications. The encoded light (W+D) is emitted by the fixture. (The nomenclature “W+D” employed in this description is shorthand to identify all types of encoding, not just additive modulation.)
The data D may be or include, e.g., control data for one or more devices 106, 108. The devices may be any type of device, and they need not be the same type of device. The data may include video and/or audio data and the like, along with associated control data.
Since more than one ultra-small resonant structure may be employed, and since the emitted EMR (W) may include EMR in a number of wavelengths, in some embodiments, more than one data stream can be incorporated into the light emitted by a fixture. For example, as shown in
Those skilled in the art will also realize and understand, upon reading this description, that the EMR emitted by the fixtures described herein need not all be in the visible range. Thus, in particular, data may be provided on visible and/or invisible (e.g., IR and/or UV) electromagnetic radiation. In this manner, data may be provided even when no visible light is provided (for example, when the visible EMR of a fixture is “turned off”). A fixture may have three (or more) settings, e.g., “visible+invisible”, “invisible only” and “off”. In the “visible+invisible” state, invisible EMR may be emitted, whereas in the “invisible only” state, no visible EMR would be emitted. Thus, multi-state lighting is provided.
The data provided from a light fixture as described herein may be detected by any known mechanism, including, without limitation, any of the detectors described in the related applications (for example, U.S. application Ser. No. 11/400,280). The data may be used for any purpose, including, without limitation, to control other electronic devices co-located with the fixture. The data may also be used to provide, e.g., video and/or audio signals.
The devices described herein may be made, e.g., using techniques such as described in U.S. patent application Ser. Nos. 10/917,511 and/or 11/203,407. The nano-resonant structure may comprise any number of resonant microstructures constructed and adapted to produce EMR, e.g., as described above and/or in U.S. application Ser. Nos. 11/325,448; 11/325,432; 11/243,476; 11/243,477; 11/302,471.
While certain configurations of structures have been illustrated for the purposes of presenting the basic structures of the present invention, one of ordinary skill in the art will appreciate that other variations are possible that would still fall within the scope of the appended claims. While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
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