An input device and a pointing unit are provided. The input device includes button structures, a light-emitting member, a base plate, and a pointing unit. The light-emitting member is arranged under the button structures. The base plate located between the button structures and the light-emitting member has a body and a first extension portion, wherein the first extension portion extends from the body toward the light-emitting member. The pointing unit is disposed between at least two button structures corresponding to the first extension portion.

A light-emitting keyboard is provided, including a bracket with at least one opening, a keycap, a circuit layer, a light guide plate, and a composite light-emitting layer. The keycap is connected to the bracket via a support assembly. The circuit layer is disposed between the keycap and the bracket. The light guide plate is disposed under the bracket. The composite light-emitting layer disposed under the bracket has a light-shielding pattern. The composite light-emitting layer includes a light-transmitting substrate, a first circuit, a first light source, and a first passivation layer. The first circuit is disposed on one side of the light-transmitting substrate. The first light source is disposed on one side of the light-transmitting substrate and electrically connected to the first circuit. The first passivation layer covers the first circuit, and at least a portion of the first circuit is located between the first passivation layer and the light-transmitting substrate.

A backlight module for illuminating a keycap includes a shielding sheet, a light guide panel, a lighting board disposed under the light guide panel, and a first protrusion structure. The shielding sheet includes a light permeable area. The light guide panel is disposed under the shielding sheet and has a light guide hole for accommodating a light source of the lighting board. The first protrusion structure is formed on the shielding sheet and protrudes toward the light source. The first protrusion structure is at least partially not overlapped with the light source in a vertical direction, for reflecting and scattering at least partial light of the light source to enter the light guide panel for lateral transmission.

An illuminated keyboard includes a supporting plate, a bottom circuit membrane disposed on the support plate, an intermediate partition plate disposed above the bottom circuit membrane, and a top circuit membrane disposed above said intermediate partition plate. A light emitter unit is disposed on the bottom circuit membrane. A light diffusion layer is disposed above the top circuit membrane and has a light transmission region for transmitting light rays generated from the light emitter unit. An elastic member is made of an elastic material and disposed on and above the diffusion layer. A bridging unit is disposed above the diffusion layer and aligned with the elastic member. A keycap is disposed above and connected to the bridging unit. The elastic member elastically abuts against the keycap. The keycap is light permeable.

A display unit includes a layer with a plurality of sub-regions which are arranged adjacently to one another along an illuminated edge of the layer. A corresponding number of symbols are arranged in the sub-regions. The display unit additionally has a plurality of light sources. The said light sources are arranged adjacently to one another along the illuminated edge of the layer. Each light source is configured to emit light into the respective sub-region of the layer via the illuminated edge of the layer. The display unit additionally has a limiting element which is arranged between the illuminated edge of the layer and the light sources and which is configured to limit the light emitted from the light sources for each sub-region such that the symbol in the respective sub-region is illuminated in a selective manner by the light sources.

An input apparatus includes a light guide plate, a first light source, a second light source, a layer, a first group of keycaps and a second group of keycaps. The light guide plate has a first axis and a second axis perpendicular to the first axis, the light guide plate includes a first light guide region and a second light guide region connected with each other by a first junction. The first light source corresponds to the first light guide region. The second light source corresponds to the second light guide region, and the first light source and the second light source are disposed along the first axis. The layer is disposed on a side of the light guide plate, the layer is provided with an extension part extending into a portion between the first light guide region and the second light guide region. The first group of keycaps corresponds to the first light guide region and the second group of keycaps corresponds to the second light guide region

A keyboard unit includes a plurality of keytops; a baseplate supporting the plurality of keytops; and a light-emitting module having a light guide plate, a first flexible sheet covering a first surface of the light guide plate, and a second flexible sheet covering a second surface of the light guide plate opposite to the first surface of the light guide plate, wherein the light-emitting module is disposed on the baseplate such that the first flexible sheet is between the baseplate and the light guide plate, a hole is formed in the light-emitting module through the light guide plate, the first flexible sheet, and the second flexible sheet, and at a periphery of the hole, the second flexible sheet is fixed to the baseplate to form a continuous barrier from the second surface of the light guide plate to the baseplate.

A switch including a waterproof and light leak prevention structure is disclosed. The switch according to an embodiment of the present invention is a switch including a light emitting member and a push switch on a mount, and includes a switch including a cover plate provided on the mount and configured to cover the light emitting member and the push switch, and the cover plate comprises includes a rubber dome disposed at a position corresponding to the push switch, a light emitting member cover configured to cover the light emitting member at a predetermined distance from an upper surface of the light emitting member, and a light leak prevention protrusion configured to surround a periphery of the light emitting member and to extend upward up to a predetermined height.

An electronic apparatus and a method of assembling the electronic apparatus having a chassis inserted into a housing having a face parallel to the direction of insertion of the chassis in the housing provided with push buttons with light guides projecting into the housing. An electronic board is mounted in the chassis so as to extend parallel to said face of the housing and is provided with switches in order to interact with the push buttons and light sources surrounded by a light-tight frame receiving the free end of the light guides. The light-tight frame has a height which decreases in a direction of separation from the chassis, and the light guides have a height which decreases in the opposite direction so as only to be in contact with one another once the chassis has been completely inserted into the housing.

An input device includes a switch, light sources, and a light guide body. The switch is configured to switch between ON and OFF by being pressed. The light sources include a first light source and a second light source disposed at a position different from a position of the first light source. The light guide body guides a light emitted from the light sources in an opposite direction opposite from a pressing direction of the switch. The light guide body includes an output section, a first light guide leg section, and a second light guide leg section. The output section outputs the light emitted from the light sources in the opposite direction. The first light guide leg section is connected to the output section and guides the first light emitted by the first light source to the output section. The second light guide leg section is connected to the output section and guides the second light emitted by the second light source to output section. The output section includes a first design configured to emit light by reflecting the first light in the opposite direction and a second design configured to emit light by reflecting the second light in the opposite direction.