Abstract: A thinned lens module with high imaging quality comprises a base, an optical filter, and a metal sheet. The base defines a first receiving groove and a second receiving groove communicating with the first receiving groove. The metal sheet is received in the first receiving groove and fixed to a sidewall of the first receiving groove. The optical filter is received in the second receiving groove and fixed on the metal sheet. An electronic device including the lens module is also disclosed.

Abstract: A camera module with reduced light leakage includes a printed circuit board and a mounting bracket mounted on the printed circuit board. The printed circuit board includes a first surface and at least one side surface perpendicularly connected to the first surface. A step is defined at the printed circuit board. The step passes through the first surface and at least one side surface. A flange is defined on the mounting bracket. The flange is received and fixed in the step and this structure places less reliance on the strength and opacity of the particular adhesive used.

Abstract: A camera module includes a lens base, a lens group, and a switching mechanism. The lens base defines a through hole. The lens group is received within the through hole. The switching mechanism includes a switching base, an optical path conversion member, and a driving member. The switching base is mounted on the lens base and defines a light guide cavity communicating with the through hole. The switching base defines a front aperture and a rear aperture. The front aperture and the rear aperture communicate with the light guide cavity. The optical path conversion member includes a reflective surface. The driving member is mounted within the light guide cavity. The driving member drives the optical light conversion member to rotate to cause the reflective surface to reflect light entering through the front aperture or the rear aperture to the lens group.

Abstract: An optical projector module proofed against distortion caused by heat building up in and around the light-emitting element includes a printed circuit board (PCB), a light emitting element, and an optical structure. The optical structure on the PCB includes a supporting member almost completely enclosing the light emitting element. The supporting member includes an embedded metal heat dissipating layer extending to cover outside surfaces of the supporting member. The metal heat dissipating layer occupies more than 70% of the outside surfaces of the supporting member, and being metallic the dissipating layer is able to conduct electricity.

Abstract: A photosensitive chip includes a photosensitive region, a non-photosensitive region and an adhesive layer. The non-photosensitive region protrudes from a periphery of the photosensitive region to surround the photosensitive region. The adhesive layer covers the non-photosensitive region to absorb light and reduce an intensity of light reflected from the adhesive layer. The disclosure also provides a lens module having the photosensitive chip, and an electronic device having the lens module.

Abstract: A lens module with enhanced absorption of stray light includes a sensor and a mounting bracket. The sensor includes a photosensitive area and a non-photosensitive area arranged surrounding the photosensitive area. The sensor is received in the mounting bracket and a window is defined in the mounting bracket. An annular flange extends from an inner wall of the window towards a center axis of the window. The annular flange includes a reflecting surface facing away from the inner wall of the window and tilted towards the sensor. The photosensitive area is exposed in a through hole of the annular flange. Diffusing reflection structures are formed on the reflecting surface and are configured to diffuse light incident on the non-photosensitive area away from the photosensitive area.

Abstract: A camera module includes a base, a circuit board bearing the base, and a metal plate bearing the circuit board and the base. The base includes a receiving portion and a bearing portion. The bearing portion surrounds the receiving portion. The bearing portion defines a cutout to receive an electronic component of the circuit board.

Abstract: A circuit board assembly for a twin-camera module to avoid any heat-induced misalignments in manufacture is disclosed, to improve the production yield of the camera module. The circuit board assembly comprises at least two daughter boards and at least one first flexible printed circuit board. Each of the flexible printed circuit boards connects to adjacent two of the daughter boards. The disclosure also provides the twin-camera module comprising the circuit board assembly, and an electronic device comprising the camera module.

Abstract: A holder for a camera module includes first and second surfaces, an optical filter receiving groove is recessed from the first surface to the second surface to form a step portion and a glue receiving portions extend from angled abutments of the step portion. A sensor receiving groove is recessed from the second surface to the first surface, and the sensor receiving groove communicates with the optical filter receiving groove. At least one escape passage is defined in the holder, the at least one escape passage communicates with the optical filter receiving groove and the sensor receiving groove. The at least one escape passage abuts the glue receiving portions and provides an escape path for captured moisture and gases expanding or shrinking because of temperature variations.

Abstract: A optical projector device less vulnerable to deformation of projected light by generated heat includes a printed circuit board, a light source, and an optical module. The heat-generating light source emits a laser beam, the optical module being mounted on the printed circuit board and surrounding the light source. The optical module comprises a lens holder, a collimating optical element received in the lens holder, and a diffractive optical element away from the light source. The lens holder comprises an outer lens holder and an inner lens holder fixed in the outer lens holder, and the diffractive optical element is received in the inner lens holder, this arrangement enables the dissipation of any heat-expansion force away from these elements.

Abstract: An optical projection module with improved heat dissipation efficiency includes a circuit board, a semiconductor substrate mounted on a surface of the circuit board, and a light source and an optical member mounted on a surface of the semiconductor substrate opposite from the circuit board. A hollow area is defined in the circuit board and in the semiconductor substrate to draw heat directly away from the light source and thus avoid physical distortion of the hardware which would otherwise reduce the quality of light beams emitted.

Abstract: A depth-perceiving lens module with enhanced heat-dissipating properties comprises a circuit board, an infrared emitter, and an infrared receiver. The circuit board is provided with at least one positioning hole. The infrared emitter is detachably disposed on a side of the circuit board and electrically connected to the circuit board, the infrared emitter comprises a mounting body and an emitting body. The mounting body wraps at least part of the emitting body, at least part of the mounting body is disposed in the positioning hole and fixed to the circuit board. The infrared receiver is detachably disposed on one side of the circuit board and electrically connected to the circuit board, to receive the reflection of the infrared light from the light emitter.

Abstract: A holder for a camera module includes first and second surfaces, an optical filter receiving groove is recessed from the first surface to the second surface to form a step portion and a glue receiving portions extend from angled abutments of the step portion. A sensor receiving groove is recessed from the second surface to the first surface, and the sensor receiving groove communicates with the optical filter receiving groove. At least one escape passage is defined in the holder, the at least one escape passage communicates with the optical filter receiving groove and the sensor receiving groove. The at least one escape passage abuts the glue receiving portions and provides an escape path for captured moisture and gases expanding or shrinking because of temperature variations.

Abstract: An optical projection device with metallic components for heat dissipation and for structural reinforcement includes a holder and two opposing metal components opposite to each other. The holder comprises lens receiving groove, electric component receiving groove, and connecting receiving groove leading to the exterior. The two opposing metal components comprise first and second heat dissipation parts, and a connecting part. The first heat dissipation part is formed on an exterior surface of the holder, the connecting part is received in the connecting receiving groove, and the second heat dissipation part is formed on an inner wall of the electric component receiving groove.

Abstract: A camera module with reduced light leakage includes a printed circuit board and a mounting bracket mounted on the printed circuit board. The printed circuit board includes a first surface and at least one side surface perpendicularly connected to the first surface. A step is defined at the printed circuit board. The step passes through the first surface and at least one side surface. A flange is defined on the mounting bracket. The flange is received and fixed in the step and this structure places less reliance on the strength and opacity of the particular adhesive used.

Abstract: A camera module with good heat dissipation efficiency and stability includes a base. The base comprises a first receiving groove. At least one escaping hole is defined at the base and the escaping hole forms a connection between the first receiving groove and the ambient environment. At least one heat dissipation block is received in each escaping hole.

Abstract: A camera module with good heat dissipation efficiency and stability includes a base. The base comprises a first receiving groove. At least one escaping hole is defined at the base and the escaping hole forms a connection between the first receiving groove and the ambient environment. At least one heat dissipation block is received in each escaping hole.

Abstract: A camera includes a bracket, a lens, a filter, a circuit board, a lens base, and a photosensitive chip. The bracket defines a through hole. The lens is mounted on the bracket. The is filter mounted on a side of the bracket and covers the through hole. The circuit board is mounted on a side of the bracket opposite to the filter. The lens base is mounted on the side of the bracket mounted to the filter. The photosensitive chip is mounted on the circuit board and faces the through hole. One of the bracket and the lens base includes a number of positioning members. The other one of the bracket and the lens base defines a number of positioning holes. Each positioning member is received in a corresponding one of the positioning holes.

Abstract: An optical projection device with metallic components for heat dissipation and for structural reinforcement includes a holder and two opposing metal components opposite to each other. The holder comprises lens receiving groove, electric component receiving groove, and connecting receiving groove leading to the exterior. The two opposing metal components comprise first and second heat dissipation parts, and a connecting part. The first heat dissipation part is formed on an exterior surface of the holder, the connecting part is received in the connecting receiving groove, and the second heat dissipation part is formed on an inner wall of the electric component receiving groove.

Abstract: An optical projection module with improved heat dissipation efficiency includes a circuit board, a semiconductor substrate mounted on a surface of the circuit board, and a light source and an optical member mounted on a surface of the semiconductor substrate opposite from the circuit board. A hollow area is defined in the circuit board and in the semiconductor substrate to draw heat directly away from the light source and thus avoid physical distortion of the hardware which would otherwise reduce the quality of light beams emitted.