A light-emitting keyboard includes a bracket, at least one keycap, a circuit layer and a composite light-emitting layer. The at least one keycap is disposed on the bracket and connected to the bracket via a support assembly. The circuit layer is disposed between the keycap and the bracket. The composite light-emitting layer is disposed under the bracket, and includes a substrate, a conductive layer, a reflective layer and at least one light source. The conductive layer is disposed on the substrate and includes a circuit and patterned structures. The reflective layer is conformally disposed on the conductive layer. The at least one light source is located under the at least one keycap and electrically connected to the circuit, and light emitted from the light source is transmitted upwardly to the keycap.

The illuminated push-button switch device includes a shell-portion enclosing a switch element and a light source and having one or more opening-portions protruding from an upper surface of the shell-portion; a button-portion provided to cover the opening-portions, the button-portion being vertically movable along the opening-portions; and a panel-portion surrounding an outside of the button-portion and provided on the upper surface of the shell-portion, wherein gap is provided between the panel-portion and the button-portion in a top view, wherein the upper surface of the shell-portion extends along a plane perpendicular to a vertical movement direction of the button-portion, and a slope-portion at a predetermined angle with respect to the upper surface is formed on a portion of the upper surface situated under the gap, and wherein a height of the slope-portion along the vertical movement direction gradually decreases from a button-portion side to a panel portion side.

A backlight module includes a flexible circuit board and a light guide plate. A first light source assembly, a second light source assembly, and a positioning member are disposed on the flexible circuit board. The light guide plate is disposed over the flexible circuit board and includes a first single key light guide area, a second single key light guide area, and a connection area. The first single key light guide area has a first through hole accommodating the first light source assembly. The second single key light guide area has a second through hole accommodating the second light source assembly. The connection area is located between the first and second single key light guide areas and has an accommodating hole. The flexible circuit board is overlapped with the light guide plate with the positioning member being accommodated in the accommodating hole.

A backlight control system includes a keyboard device and a computing device. The keyboard device includes a fixed light sheet, at least one movable light sheet, a light guide module and a key module. The computing device includes a processing unit. The movable light sheet is detachably and electrically connected with the fixed circuit board. The fixed light sheet projects a first light beam to plural keys of the key module through the light guide module. In a special scenario mode, the processing unit drives the movable light sheet to project a second light beam to at least one special key of the key module.

A light-emitting keyboard includes a bracket, a keycap, a circuit layer, a composite light-emitting layer and a spacing layer. The bracket has an opening. The keycap is disposed on the bracket and connected to the bracket via a support assembly. The circuit layer is disposed between the keycap and the bracket. The composite light-emitting layer is disposed under the bracket, and includes a substrate, a circuit disposed on the substrate and a light source located under the keycap and electrically connected to the circuit, wherein light emitted from the light source is transmitted upwardly to the keycap. The spacing layer is disposed between the composite light-emitting layer and the bracket, wherein the spacing layer includes a hole corresponding to the opening of the bracket, and the light source is located in the hole of the spacing layer.

A keyboard includes a base plate, a plurality of keys and a backlight module. The base plate has a short axis direction and a long axis direction. The keys are disposed on the base plate along the long axis direction, and the keys are arranged to form a plurality of rows. The backlight module is disposed on the base plate and includes a shielding sheet, a light guide plate and a reflecting sheet. The light guide plate is disposed on a lower surface of the shielding sheet. The light guide plate includes a plurality of long openings, and each of the long openings has at least one long side. The long side is parallel to the long axis direction, and each of the long openings has a central axis. The central axis is located between two adjacent rows on which the keys are disposed.

A key structure with display panel, including a display panel, a transparent keycap, and a scissors assembly, is provided. The transparent keycap is disposed above the display panel. An image generated by the display panel is projected out of the key structure through the transparent keycap. The scissors assembly is disposed between the display panel and the transparent keycap and exposes a display surface of the display panel.

A switch panel for an aircraft includes a cover and aback plate. A distance from the cover to the back plate is a thickness of the switch panel. In some cases, the thickness is less than about 9.525 mm. A button assembly for a switch panel for an aircraft includes a button base, a button retainer, and a lens. The button base includes a bottom end, a base side, and a transition portion between the bottom end and the base side. In certain cases, the transition portion of the button base is beveled or radiused with a sloped or concave shape.

An input apparatus includes a reflection layer, a light guide plate, a first light source, a second light source and a light absorption member. The light guide plate is disposed on the reflection layer and includes a first light guide region and a second light guide region connected with each other by a junction, a first area of the first light guide region is different from a second area of the second light guide region. The first light source corresponds to the first light guide region. The second light source corresponds to the second light guide region, the light guide plate has a first opening structure disposed between the first light source and the second light source. The light absorption member is disposed at a position corresponding to the first opening structure.

A keyboard includes a mechanical structure and a key attached to the mechanical structure. A light emitting diode configured to emit light into a light guide panel. A reflector may be attached to the light guide panel and be configured to reflect light from the light guide panel through an opening in the mechanical structure to illuminate a periphery of the key.