A light-emitting assembly positioned within a switch housing of a keyboard assembly for an electronic device is disclosed. The light-emitting assembly may include a phosphor structure, a transparent material positioned on opposing side surfaces of the phosphor structure, and an epoxy layer formed ov
A light-emitting assembly positioned within a switch housing of a keyboard assembly for an electronic device is disclosed. The light-emitting assembly may include a phosphor structure, a transparent material positioned on opposing side surfaces of the phosphor structure, and an epoxy layer formed over an entire back surface of the phosphor structure and the transparent material. The light-emitting assembly may also include a mask layer formed over an entire top surface of: the phosphor structure, the transparent material, and the epoxy layer. The light-emitting assembly may further include a light source positioned within the phosphor structure for emitting a light.
대표청구항▼
1. A keyboard assembly, comprising: a switch housing defining a switch opening and a light source recess formed in a sidewall of the switch opening;a tactile dome positioned at least partially within the switch opening;a keycap positioned above the switch housing and configured to move toward the ta
1. A keyboard assembly, comprising: a switch housing defining a switch opening and a light source recess formed in a sidewall of the switch opening;a tactile dome positioned at least partially within the switch opening;a keycap positioned above the switch housing and configured to move toward the tactile dome when pressed; anda light-emitting assembly positioned within the light source recess of the switch housing, and comprising: a light source;a luminescent structure at least partially enclosing the light source and defining a front face of the light-emitting assembly;an opaque material defining a rear face of the light-emitting assembly, the rear face being positioned opposite the front face;a first sidewall defining a first side face of the light-emitting assembly; anda second sidewall opposite the first sidewall and defining a second side face of the light-emitting assembly, wherein the switch housing is configured to receive light from each of the front face, the first side face, and the second side face and to guide the received light toward the keycap, wherein the opaque material is configured to prevent light from passing through it. 2. The keyboard assembly of claim 1, wherein the luminescent structure is formed from a phosphor material. 3. The keyboard assembly of claim 1, wherein: the switch housing is formed from a substantially transparent material; andthe light source is configured to emit light through the substantially transparent material of the switch housing. 4. The keyboard assembly of claim 1, wherein the keycap includes a transparent glyph formed through the keycap. 5. The keyboard assembly of claim 4, wherein the light source emits light to at least one of: a perimeter of the keycap; andthe transparent glyph formed through the keycap. 6. The keyboard assembly of claim 1, wherein the light-emitting assembly is substantially surrounded on three sides by sidewalls of the light source recess. 7. The keyboard assembly of claim 6, further comprising a transparent resin positioned over the light-emitting assembly, between the light-emitting assembly and the sidewalls of the light source recess. 8. A method for illuminating a key cap, comprising: activating a light source;transmitting light from the light source, through a phosphor structure, and into a switch housing into three distinct surfaces of the switch housing;redirecting, through the switch housing, the light from the phosphor structure to an underside of the key cap, thereby illuminating a portion of the key cap; andblocking at least a portion of the light that is emitted through the phosphor structure and upward toward the key cap;blocking at least a portion of the light that is laterally emitted through the phosphor structure opposite at least one of the three distinct surfaces of the switch housing. 9. The method of claim 8, further comprising shifting a color of the light while the light transmits through the phosphor structure. 10. The keyboard assembly of claim 1, further comprising an optical mask positioned at least partially between the light source and an underside of the key cap. 11. A keyboard assembly, comprising: a key cap;a tactile switch positioned below the key cap;a support structure movably supporting the key cap;a switch housing positioned below the key cap and defining an opening that surrounds the tactile switch and a recess; anda light-emitting assembly positioned at least partially within the recess and configured to direct light into the switch housing along three directions, wherein the switch housing defines a light guide configured to channel light received from the light-emitting assembly toward an underside of the key cap;an opaque material positioned on a side of the light-emitting assembly and configured to at least partially block light from exiting the light-emitting assembly along a fourth direction, the fourth direction being opposite one of the three directions. 12. The keyboard assembly of claim 11, further comprising an optical mask positioned at least partially between the light emitting assembly and the underside of the key cap. 13. The keyboard assembly of claim 11, wherein the light-emitting assembly further comprises a phosphor structure at least partially surrounding a light source;the light-emitting assembly defines a front face and two side faces adjoining the front face;the light is coupled into the switch housing from the front face and the two side faces of the light-emitting assembly. 14. The keyboard assembly of claim 13, wherein the light-emitting assembly further comprises: a first transparent sidewall extending from a first end of the front face and defines a first of the two side faces; anda second transparent sidewall extending from a second end of the front face defines a second of the two side faces. 15. The keyboard assembly of claim, 13, wherein the light source is embedded within the phosphor structure. 16. The keyboard assembly of claim 11, wherein: the key cap defines an illuminable symbol; andthe switch housing is configured to illuminate the illuminable symbol by propagating light received from the light-emitting assembly toward the underside of the key cap. 17. The keyboard assembly of claim 11, wherein: the switch housing propagates light toward the underside of the key cap through the opening. 18. The keyboard assembly of claim 11, further comprising: a top panel positioned over the opening and between the tactile switch and the key cap. 19. The keyboard assembly of claim 18, wherein the top panel defines a light guide. 20. The keyboard assembly of claim 18, wherein the tactile switch is a collapsible dome configured to buckle in response to movement of the top panel into the opening corresponding to a keypress received at the key cap.
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