A light-emitting diode (LED) device configured to provide a multi-color display includes a plurality of light-emitting cells at least partially defined by a partition layer. The LED device may be configured to reduce optical interferences between the light-emitting cells. The LED device includes a p
A light-emitting diode (LED) device configured to provide a multi-color display includes a plurality of light-emitting cells at least partially defined by a partition layer. The LED device may be configured to reduce optical interferences between the light-emitting cells. The LED device includes a plurality of light-emitting structures spaced apart from one another; a plurality of electrode layers on respective first surfaces of the light-emitting structures, a separation layer configured to electrically insulate the light-emitting structures from each other; phosphor layers on respective second surfaces of the light-emitting structures and associated with different colors, and a partition layer between the phosphor layers to separate the phosphor layers from one another. Each light-emitting cell may include a separate light-emitting structure, a separate set of one or more electrodes, and a separate phosphor layer.
대표청구항▼
1. A light-emitting diode (LED) device comprising: a plurality of light-emitting structures spaced apart from each other, each light-emitting structure including a first surface and a second surface;a plurality of electrode layers on first surfaces of separate, respective light-emitting structures o
1. A light-emitting diode (LED) device comprising: a plurality of light-emitting structures spaced apart from each other, each light-emitting structure including a first surface and a second surface;a plurality of electrode layers on first surfaces of separate, respective light-emitting structures of the plurality of light-emitting structures;a separation layer configured to electrically insulate the light-emitting structures from each other;a plurality of phosphor layers on second surfaces separate, respective light-emitting structures of the plurality of light-emitting structure, each phosphor layer configured to filter a different color of light from light emitted by the light-emitting structures; anda partition layer between the phosphor layers, such that the partition layer separates the phosphor layers from each other, the partition layer including at least one of a substrate structure, an insulation structure, and a light reflecting structure. 2. The LED device of claim 1, further comprising: a reflective layer between an electrode layer, of the plurality of electrode layers, and a light-emitting structure, of the plurality of light-emitting structures. 3. The LED device of claim 1, further comprising: an uneven structure on a surface of a light-emitting structure, of the plurality of light-emitting structures. 4. The LED device of claim 1, wherein the partition layer includes one or more sidewalls associated with a slope, such that the one or more sidewalls define a space having a distal end and proximate end in relation to the light-emitting structure, the distal end having a greater diameter than the proximate end. 5. The LED device of claim 1, wherein the partition layer includes a single body structure. 6. The LED device of claim 1, further comprising: a light reflecting layer on a sidewall of the partition layer. 7. The LED device of claim 1, wherein the separation layer includes, a separating insulation layer on first sidewalls and bottom surfaces of the light-emitting structures, anda mold insulation layer configured to insulate the electrode layers from each other, respectively, andinsulate the light-emitting structures from each other, respectively. 8. The LED device of claim 1, wherein the separation layer includes, a separating insulation layer on first sidewalls and bottom surfaces of the light-emitting structures,a metal layer insulated from the light-emitting structures by the separating insulation layer, anda mold insulation layer configured to insulate the electrode layers from the metal layer. 9. The LED device of claim 1, wherein, the separation layer includes, a first separating insulation layer on first sidewalls and bottom surfaces of the light-emitting structures,a first metal layer insulated from the light-emitting structures by the first separating insulation layer, anda mold insulation layer insulating the electrode layers from one another; andthe partition layer includes, a second separating insulation layer on first sidewalls of the phosphor layer, the second separating insulation layer extending from the first separating insulation layer, anda second metal layer on the first sidewalls of the phosphor layer, the second metal layer extending from the first metal layer. 10. The LED device of claim 9, wherein, the first separating insulation layer and the second separating insulation layer are included in a common separating insulation layer;the first metal layer and the second metal layer are included in a common metal layer;the separation layer includes the first separating insulation layer and the first metal layer; andthe partition layer includes the second separating insulation layer and the second metal layer. 11. A light-emitting diode (LED) device, comprising: a plurality of light-emitting cells spaced apart from each other;a separation layer configured to electrically insulate the light-emitting cells from each other;a plurality of phosphor layers associated with separate, respective light-emitting cells of the plurality of light-emitting cells, the plurality of phosphor layers further associated with different colors, respectively; anda partition layer between the phosphor layers, such that the partition layer separates the phosphor layers from each other, the partition layer including at least one of a substrate structure, an insulation structure, and a light reflecting structure. 12. The LED device of claim 11, wherein each light-emitting cell, of the plurality of light-emitting cells, includes, a light-emitting structure configured to emit at least one of ultraviolet light and blue light, the light-emitting structure including, a first conductive type semiconductor layer,an active layer, anda second conductive type semiconductor layer; andan electrode layer that includes, a first electrode layer electrically connected to the first conductive type semiconductor layer, anda second electrode layer electrically connected to the second conductive type semiconductor layer. 13. The LED device of claim 11, wherein each phosphor layer of the plurality of phosphor layers includes at least two of a blue phosphor layer, a green phosphor layer, a red phosphor layer, and a white phosphor layer. 14. The LED device of claim 11, wherein, the substrate structure includes a silicon-based substrate structure or an insulating substrate structure, andthe light-reflecting structure includes a light-reflecting layer. 15. The LED device of claim 11, wherein the separation layer and the partition layer are included in a common layer. 16. An apparatus, comprising: a plurality of light-emitting cells spaced apart from each other, each light-emitting cell including, a light-emitting structure that includes a first surface and a second surface,a set of one or more electrode layers on the first surface of the light-emitting structure, anda phosphor layer on the second surface of the light-emitting structure, the phosphor layer associated with a particular color of light; anda partition layer between separate, respective phosphor layers of the plurality of light-emitting cells, such that the partition layer at least partially defines the plurality of light-emitting cells. 17. The apparatus of claim 16, wherein at least one light-emitting cell, of the plurality of light-emitting cells, includes an uneven structure on a surface of the light-emitting structure of the at least one light-emitting cell. 18. The apparatus of claim 16, wherein at least one light-emitting cell, of the plurality of light-emitting cells, includes a reflective layer between a set of electrodes of the at least one light-emitting cell and a light-emitting structure of the at least one light-emitting cell. 19. The apparatus of claim 16, wherein the partition layer includes one or more sidewalls associated with a slope, such that the one or more sidewalls define a space in a given light-emitting cell of the plurality of light-emitting cells, the space having a distal end and proximate end in relation to the light-emitting structure of the given light-emitting cell, the distal end having a greater diameter than the proximate end. 20. The apparatus of claim 16, further comprising: a light reflecting layer on at least one sidewall of the partition layer.
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