A keyboard is disclosed. The keyboard includes a keyboard housing and a switch assembly coupled to the keyboard housing. The switch assembly includes a switch body defining an interior volume, a collapsible dome positioned in the interior volume, an actuation member configured to actuate the collapsible dome in response to an actuation of the actuation member, and a cover coupled to the switch body. The cover retains the actuation member to the switch body. The keyboard also includes a flexible material coupled to the keyboard housing and extending over the actuation member.

A keyboard device has a base sheet, a membrane sheet disposed on the upper surface of the base sheet, a cover sheet disposed on the upper surface of the membrane sheet and supporting the membrane sheet between the cover sheet and the base sheet in a state of being movable in the in-plane direction, connection members connecting the base sheet and the cover sheet, a plurality of key tops vertically movably supported by a guide mechanism provided on the upper surface side of the cover sheet and bringing a movable contact and a fixed contact which are contacts of the membrane sheet into contact with each other or separating the contacts from each other by being depressed, and a frame member partitioning the key tops adjacent to each other by being depressed and having a lower surface to which the upper surface of the cover sheet is bonded and fixed.

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.

A keyboard device includes plural key structures, a membrane wiring board, a base plate and a groove. The plural key structures are connected with the base plate. The membrane wiring board is arranged between the keycaps of the plural key structures and the base plate. The membrane wiring board includes an upper film layer and a lower film layer. Each upper contact of the upper film layer and the corresponding lower contact of the lower film layer are separated from each other by a spacing interval and collectively defined as a membrane switch. The groove is arranged between the membrane wiring board and the base plate, or formed in the base plate. The groove is in communication with a lower film gas hole of the lower film layer.

A keyboard device has a base sheet, a membrane sheet disposed on the upper surface of the base sheet, a cover sheet disposed on the upper surface of the membrane sheet and supporting the membrane sheet between the cover sheet and the base sheet in a state of being movable in the in-plane direction, connection members connecting the base sheet and the cover sheet, a plurality of key tops vertically movably supported by a guide mechanism provided on the upper surface side of the cover sheet and bringing a movable contact and a fixed contact which are contacts of the membrane sheet into contact with each other or separating the contacts from each other by being depressed, and a frame member partitioning the key tops adjacent to each other by being depressed and having a lower surface to which the upper surface of the cover sheet is bonded and fixed.

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.

A venting system for a keyboard assembly is disclosed. A keyboard assembly including a printed circuit board defining a set of apertures, and a group of switch housings coupled to the printed circuit board. Each switch housing of the group of switch housings may define a switch opening positioned above one of the set of apertures of the printed circuit board. The keyboard assembly may also include a shield defining at least one channel of a venting system formed below the printed circuit board. The at least one channel may be in fluid communication with at least one aperture, and at least one of the switch openings positioned above the at least one aperture.

A key and a switch housing for a keyboard assembly is disclosed. A switch housing for the keyboard assembly may include a body having a switch opening and a light source recess formed adjacent the switch opening. The switch opening may house or receive a dome switch for the keyboard assembly and the light source recess may house or receive a light source assembly configured to illuminate a keycap of the keyboard assembly. The switch housing also can include a top panel integrally formed and molded to a portion of the body. The top panel covers the switch opening formed in the body and the top panel is a light guide.

The present invention discloses a computer thin film switch keyboard, wherein the keyboard comprises keys/keycaps, a light guide film, a fixing film/air hole layer, metal domes, an air slot layer, a conductive film/PCB and a key plate, the key plate is disposed at the lowest layer, the conductive film/PCB is disposed above the key plate, the air slot layer is disposed above the conductive film/PCB, the metal domes are disposed on the conductive film/PCB, more than one metal dome is disposed corresponding to key configurations on the keyboard, the fixing film/air hole layer is disposed above the metal domes, and the keys/keycaps are disposed above the fixing film/air hole layer. The present invention has characteristics of being light, thin, and easy to carry, and having a Bluetooth function, a short stroke, and lower noises, etc.

A dome switch utilized in a keyboard assembly is disclosed. The keyboard assembly may include a printed circuit board having a first electrical connector formed in the printed circuit board, and a second electrical connector formed in the printed circuit board adjacent the first electrical connector. The keyboard assembly may also include an inner contact component contacting the second electrical connector of the printed circuit board. The inner contact component may be in electrical communication with the second electrical connector of the printed circuit board. Additionally, the keyboard assembly can include a dome switch surrounding the inner contact component. The dome switch may contact and may be in electrical communication with the first electrical connector of the printed circuit board.