A lighting apparatus includes a light-diffusive plate having opposing faces bounded by one or more sides. The plate has disruptions on a first face of the opposing faces and a first channel along at least a portion of a first side of the one or more sides. A first cover has first and second surfaces
A lighting apparatus includes a light-diffusive plate having opposing faces bounded by one or more sides. The plate has disruptions on a first face of the opposing faces and a first channel along at least a portion of a first side of the one or more sides. A first cover has first and second surfaces disposed over the first channel with the first surface facing the first side of the light-diffusive plate. A plurality of light-emitting diodes (LEDs) is disposed on the first surface of the first cover and within the first channel. The LEDs electrically coupled with wiring are integrated with the first cover.
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1. A lighting apparatus, comprising: a light-diffusive plate having opposing first and second faces bounded by one or more sides, the light-diffusive plate having a plurality of disruptions on the first face and a first channel in at least a portion of a first side of the one or more sides and betwe
1. A lighting apparatus, comprising: a light-diffusive plate having opposing first and second faces bounded by one or more sides, the light-diffusive plate having a plurality of disruptions on the first face and a first channel in at least a portion of a first side of the one or more sides and between the first and second faces of the light-diffusive plate;a first cover having first and second surfaces and disposed over the first channel with the first surface facing the first side of the light-diffusive plate; anda plurality of light-emitting diodes (LEDs) disposed on the first surface of the first cover and within the first channel, the LEDs electrically coupled with wiring integrated with the first cover, wherein light emitted from the LEDs and directed at the side having the first channel is transmitted within the light-diffusive plate by total internal reflection and scattered by the plurality of disruptions. 2. The lighting apparatus of claim 1, wherein the first surface of the first cover is a circuit-side surface of a dielectric substrate and faces the first channel, and the second surface of the first cover is a metal coating on an opposite surface of the dielectric substrate and faces away from the first channel. 3. The lighting apparatus of claim 2, wherein the dielectric substrate is a polyimide substrate. 4. The lighting apparatus of claim 2, wherein the metal coating is aluminum. 5. The lighting apparatus of claim 1, wherein the first surface of the first cover is a surface of a dielectric substrate, and further comprising: at least one positive connector lead and at least one negative connector lead disposed on the second surface of the first cover. 6. The lighting apparatus of claim 1, wherein the first surface of the first cover is a surface of a dielectric substrate, and further comprising: a plurality of positive connector leads and a plurality of negative connector leads disposed on the second surface of the first cover. 7. The lighting apparatus of claim 1, wherein the first surface of the first cover is a surface of a dielectric substrate, and further comprising: a plurality of positive connector leads and a plurality of negative connector leads disposed on the second surface of the first cover; andwherein the positive connector leads and negative connector leads are disposed in an alternating pattern. 8. The lighting apparatus of claim 1, further comprising an ultra-violet (UV) curable encapsulant that fills the first channel. 9. The lighting apparatus of claim 1, further comprising: a second channel in at least a portion of a second side of the one or more sides of the light-diffusive plate and between the first and second faces of the light-diffusive plate;a second cover having first and second surfaces and disposed over the second channel with the first surface facing the first side of the light-diffusive plate; anda plurality of LEDs disposed on the first surface of the second cover and within the second channel, the LEDs electrically coupled with wiring integrated with the second cover. 10. The lighting apparatus of claim 1, further comprising a reflector disposed on the first face of the light-diffusive plate having the disruptions. 11. The lighting apparatus of claim 1, wherein the first cover has a breadth that covers the first channel. 12. The lighting apparatus of claim 11, further comprising an ultra-violet (UV) curable encapsulant that fills the first channel. 13. The lighting apparatus of claim 12, wherein the encapsulant secures the first cover to the light-diffusive plate. 14. The lighting apparatus of claim 1, wherein the light-diffusive plate further includes a plurality of disruptions on the second face of the opposing faces. 15. A method of making a lighting apparatus, comprising: forming disruptions on a first face of opposing first and second faces of a light-diffusive plate, the opposing first and second faces of the light-diffusive plate bounded by one or more sides;forming a first channel in at least a portion of a first side of the one or more sides and between the first and second faces of the light-diffusive plate;attaching a plurality of light-emitting diodes (LEDs) on a first surface of a first cover; andattaching the first cover to the light-diffusive plate over the first channel such that the plurality of LEDs are disposed in the first channel and light emitted from the LEDs and directed at the side having the first channel is transmitted within the light-diffusive plate by total internal reflection and scattered by the disruptions. 16. The method of claim 15, further comprising: filling the first channel with an ultra-violet (UV) curable encapsulant; andcuring the encapsulant in the first channel. 17. The method of claim 16, wherein the attaching the first cover to the light-diffusive plate over the first channel includes securing the first cover to the light-diffusive plate with the encapsulant. 18. The method of claim 15, wherein the attaching of the plurality of LEDs to the first cover includes attaching the plurality of LEDs to a first surface of the first cover that faces the first channel, the first cover having integrated wiring electrically coupling the plurality of LEDs and a second surface that is metal-coated and faces away from the first channel. 19. The method of claim 15, further comprising: forming a second channel in at least a portion of a second side of the one or more sides of the light-diffusive plate and between the first and second faces of the light-diffusive plate;attaching a plurality of LEDs on a first surface of a second cover; andattaching the second cover to the light-diffusive plate over the second channel such that the plurality of LEDs are disposed in the second channel. 20. The method of claim 15, wherein the attaching of the plurality of LEDs to the first cover includes attaching the plurality of LEDs to a first surface of the first cover, the first cover having a plurality of positive connector leads and a plurality of negative connector leads disposed on a second surface of the first cover. 21. A lighting apparatus, comprising: a light-diffusive plate having opposing first and second faces bounded by one or more sides, the light-diffusive plate having disruptions on the first face and a first channel in at least a portion of a first side of the one or more sides and between the first and second faces of the light-diffusive plate;a first cover including a polyimide substrate, the polyimide substrate having a first surface and a second surface, and the first cover disposed over the first channel with the first surface of the polyimide substrate facing the first side of the light-diffusive plate;a plurality of light-emitting diodes (LEDs) disposed on the first surface of the polyimide substrate and within the first channel, the LEDs electrically coupled with wiring integrated with the polyimide substrate, wherein light emitted from the LEDs and directed at the side having the first channel is transmitted within the light-diffusive plate by total internal reflection and scattered by the disruptions;at least one positive connector lead and at least one negative connector lead disposed on the second surface of the polyimide substrate, the at least one positive connector lead electrically coupled to a positive power line of the LEDs and the at least one negative connector lead electrically coupled to a negative power line of the LEDs; andan ultra-violet (UV) curable encapsulant that fills the first channel. 22. The lighting apparatus of claim 21, wherein the at least one positive connector lead and the at least one negative connector lead include a plurality of positive and negative connector leads disposed in an alternating pattern. 23. The lighting apparatus of claim 21, further comprising: a second channel in at least a portion of a second side of the one or more sides of the light-diffusive plate and between the first and second faces of the light-diffusive plate;a second cover including a polyimide substrate, the polyimide substrate having a first surface and a second surface, and the second cover disposed over the second channel with the first surface of the polyimide substrate facing the second side of the light-diffusive plate;a plurality of LEDs disposed on the first surface of the polyimide substrate of the second cover and within the second channel, the LEDs electrically coupled with wiring integrated with the polyimide substrate of the second cover; andan ultra-violet (UV) curable encapsulant that fills the second channel. 24. The lighting apparatus of claim 21, wherein the light-diffusive plate further includes a plurality of disruptions on the second face of the opposing faces.
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