The invention relates to a circuit board (1), preferably for a circuit for operating a lighting means, comprising a retaining bow (2), which is arranged on a planar top side (11) of the circuit board (1) and mechanically connected to the circuit board (1); and comprising a through-bore (3), which is arranged at least partially below the retaining bow (2); wherein the through-bore (3) has at least one taper (31) and wherein a housing (5) for protecting the circuit board (1) can be mechanically fastened by means of the retaining bow (2) and the taper (31). The retaining bow (2) is arranged on the circuit board (1) by means of a solder joint (32). The invention further relates to a system for a circuit for operating a lighting means and to a method for fastening a housing (5) to a circuit board (1).

The present application discloses a light-emitting device including a first support structure having a first surface, a plurality of light-emitting elements arranged on the first surface, and a first adhesive layer arranged on the first support structure. Each light-emitting element has a side wall, a bottom surface, a first electrode pad, and a second electrode pad arranged on the bottom surface. The first adhesive layer surrounds the side wall and does not directly contact the bottom surface. The first support structure includes a plurality of through holes located on positions corresponding to the first electrode pad and the second electrode pad.

A kind of vehicle-mounted intelligent infant rearview mirror contains: upper cover body, lower cover body, ribbon seat upper cover and ribbon seat lower cover. The upper cover body is fastened on the lower cover body, the edge position of lower cover body is equipped with the fixed hole on all sides in symmetry, the upper cover body is fixed with the stud corresponding to the fixed hole of the lower cover body, the upper cover body and lower cover body are fixed and connected by round head self-tapping screw, the upper cover body is equipped with the convex groove matched with the translucent piece, the groove is equipped with the limit slot, the limit slot is embedded with PCB lamp panel, and the upper cover body and the acrylic wide angle lens are pressed together.

A non-contact high voltage sensor includes a sensing head and a battery holder. The sensing head includes a control circuit board, a metal sensing plate and an insulating housing, and the insulating housing encloses the control circuit board and the metal sensing plate. The control circuit board is electrically connected to the metal sensing plate to sense high voltages in a surrounding environment, and the metal sensing plate includes a central flat portion and an arc-shaped portion, and the arc-shaped portion is extending from a boundary of the central flat portion and bent towards the control circuit board.

A backlight bar includes a flexible circuit board and backlight lamp, the flexible circuit board includes a circuit board base and an electrostatic shielding structure, the electrostatic shielding structure is disposed on a first surface of the circuit board base and located in a non-marginal region, and the backlight lamp disposed on a second surface of the circuit board base, the first surface disposed opposite to the second surface. A backlight module and a display device are also provided.

An electro-optical module assembly is provided that includes a flexible substrate having a first surface and a second surface opposite the first surface, wherein the flexible substrate contains an opening located therein that extends from the first surface to the second surface. An optical component is located on the second surface of the flexible substrate and is positioned to have a surface exposed by the opening. At least one electronic component is located on a first portion of the first surface of the flexible substrate, and at least one micro-energy source is located on a second portion of the first surface of the flexible substrate.

An illumination dummy module is adapted for covering and protecting a card slot and includes a circuit board, a power pin, a clock pin, a data pin, at least one light source, a power converter, and a drive circuit. The circuit board includes an insertion part for inserting into the card slot. The power pin, the clock pin and the data pin are disposed to the insertion part, and the light source is disposed on the circuit board. The power converter receives input power from the card slot via the power pin, and converts the input power into output power. The drive circuit is disposed on the circuit board, and receives the output power from the power converter. The drive circuit also respectively receives a clock signal and a control command via the clock pin and the data pin, to enable or disable the light source.

A touch-sensitive dimmer, configured to be electrically coupled to an illumination load to adjust an illuminance of the illumination load. It includes a hollow body, a power source printed circuit board assembly (PCBA) disposed inside the body, a control PCBA, and a touch-sensitive display panel, touch-sensing components and a display element disposed on the control PCBA. The display element displays changes of illumination load adjustment modes based on trigger signals generated by the touch-sensing components. The touch-sensitive display panel includes touch keys which correspond to the touch-sensing components and a display window which corresponds to the display element, and is assembled with the control printed circuit board assembly. The touch-sensitive dimmer combines touch-sensing functions and display screen functions to achieve intelligent control. By incorporating a wireless communication module, the dimmer can further achieve remote by a remote control device.

A sensor unit for measuring the position of a component that is movable relative to the sensor unit includes a metal body, which has a first opening. An electronic component is arranged in the first opening such that a gap is provided between the electronic component and the metal body, the gap being filled with an electrically insulating molding compound. In addition, an electrically insulating first layer is applied on the electronic component and on the molding compound. The electronic component is electrically contacted with a circuit trace, and the circuit trace is routed through the first layer in a first section and extends on the first layer in a second section.

The present disclosure describes an optical module. The optical module includes a housing comprising a first portion, a second portion, and protrusions, and the protrusions are configured to enclose the first portion to isolate the first portion from the second portion. The optical module includes a circuit board disposed inside the housing, the circuit board comprising a first area, a second area, and a metal strip attaching to the protrusions. The optical module further includes an indicator light configured to emit light and a laser driving chip. The first area of the circuit board is electrically connected to the indicator light to supply power to the indicator light. The second area of the circuit board is electrically connected to the laser driving chip. The metal strip encloses the first area to isolate the first area from the second area.