Electric lamp or space discharge component or device manufacturi – Process – With assembly or disassembly
Patent
1995-10-30
1997-09-23
Ramsey, Kenneth J.
Electric lamp or space discharge component or device manufacturi
Process
With assembly or disassembly
445 51, H01J 130, H01J 902
Patent
active
056698020
ABSTRACT:
A microelectronic light-emitting device (10) is made with dual lateral thin-film emitters (35 and 40) substantially parallel to a substrate (20). A region containing phosphor (50) extends between the two emitters and contacts them. A fabrication process is specially adapted to produce the light-emitting devices and/or arrays of light-emitting devices. The process allows the use of conductive or insulating base or starting substrates. In a preferred process, these steps are performed: an insulating substrate is provided; an ultra-thin conductive emitter film is deposited over the insulating substrate and patterned; an insulating layer is deposited over the emitter film; conductive contacts are made through the insulating layer to the emitter film; a trench opening is etched through the insulating layer and emitter film, thus forming and automatically aligning two emitting edges of two emitters; a phosphor is deposited into the trench opening and optionally planarized; and means are provided for applying an electrical bias to the two emitter contacts, sufficient to cause injection of carriers from the emitting edges of the emitters into the phosphor.
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Advanced Vision Technologies Inc.
Knapp Jeffrey T.
Ramsey Kenneth J.
Touw Theodore R.
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