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.

An engine starting device includes a board on which a pin header serving as an on-board component is mounted, a case member that has a tubular shape and that is disposed so as to surround the board, and an antenna coil that is disposed in the case member and that is electrically connected to an antenna terminal partly embedded in the pin header serving as an on-board component.

An electrical load controller includes an electrical switching device and an actuator assembly having at least one user actuator for use in turning power on and off to the load and for use in adjustably controlling the level of power to the load. A frame attached to the actuator includes an integrally formed backlightable indicator region having an outer continuous solid surface. Light from an illumination assembly related to the level of power to the load is directable onto a portion of an inner surface of the backlightable indicator region, transmittable through the backlightable region from the inner surface to the outer surface, emittable from a portion of the outer surface, and observable by the user.

A key device includes a bottom plate, a light guiding membrane switch, and a keycap. The light guiding membrane switch is disposed on the bottom plate and includes a lower membrane layer, an upper membrane layer, a light guiding spacing layer, a reflective layer, and an adhering layer. The upper membrane layer is disposed above the lower membrane layer and farer from the bottom plate than the lower membrane layer. The light guiding spacing layer is disposed between the lower membrane layer and the upper membrane layer and includes opposite upper and lower surfaces. The reflective layer is securely fastened on the upper surface. The adhering layer is adhered between the reflective layer and the upper membrane layer, and a position and a shape of the adhering layer correspond to a position and a shape of the reflective layer.

A circuit structure includes a light-transmissive insulation layer, a patterned conductive layer and an electronic component. The patterned conductive layer is disposed on the light-transmissive insulation layer. The electronic component is disposed on the patterned conductive layer and electrically connected to the patterned conductive layer.

A control device configured for use in a load control system to control an electrical load external to the control device may comprise an actuation member having a front surface defining a capacitive touch surface configured to detect a touch actuation along at least a portion of the front surface. The control device includes a main printed circuit board (PCB) comprising a control circuit, a tactile switch, a controllably conductive device, and a drive circuit operatively coupled to a control input of the controllably conductive device for rendering the controllably conductive device conductive or non-conductive to control the amount of power delivered to the electrical load. The control device also includes a capacitive touch PCB that comprises a touch sensitive circuit comprising one or more receiving capacitive touch pads located on the capacitive touch PCB and arranged in a linear array adjacent to the capacitive touch surface.

The button structure including a front panel configured to define a body and having a mounting hole formed in a front surface of the front panel directed toward an interior of an occupant compartment, a button unit accommodated in the mounting hole and configured to selectively control various types of AV systems of a vehicle, a detection unit accommodated in the front panel and configured to detect a user's hand, a switch unit configured to operate various types of AV systems of the vehicle under the control of the button unit, and a lighting unit accommodated in a housing and configured to emit light to the button unit in response to a detection signal of the detection unit, in which the detection unit is disposed rearward of the button unit and positioned from the button unit in a direction opposite to the direction toward the interior of the occupant compartment.

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 keyboard includes a backlight module, a base plate, a membrane circuit disposed on the base plate, and a plurality of key structures disposed on the membrane circuit. The backlight module includes a light source, a reflective layer, a light guide layer, and a shielding layer. The light source is disposed corresponding to the light guide layer. The light guide layer is located between the shielding layer and the reflective layer. The light guide layer has a through-hole. The shielding layer and the reflective layer are in contact with each other in the through-hole of the light guide layer. The base plate is disposed on the shielding layer. The base plate has a positioning portion disposed corresponding to the through-hole of the light guide layer, which protrudes toward the reflective layer or the membrane circuit.

Disclosed is a switch device including a push operation part having a light transmitting portion, a control board installed in a push operation direction of the push operation part, a fingerprint sensor provided on the push operation part to detect a fingerprint of a user pushing the push operation part, a controller provided on one surface of the control board to control the fingerprint sensor, a flexible board provided to electrically connect the fingerprint sensor and the controller, and a plurality of light sources installed on opposite surfaces of the control board and closer to the push operation part than the controller to illuminate the light transmitting portion.