An embodiment modular light-emitting diode (LED) display panel includes attachment points for use in attachment as part of a multi-panel modular LED display, a printed circuit board including a first side and an opposite second side, and a plastic casing attached to the opposite second side of the printed circuit board. A perimeter of the plastic casing is substantially rectangular and has a height and a width. The modular LED display panel further includes a display surface including a plurality of LEDs arranged as pixels and attached to the first side of the printed circuit board. The pixels are arranged in a rectangular array including at least fifty pixels. Each of the pixels of the rectangular array is spaced from each respective adjacent pixel of the rectangular array by a pitch. The pitch is a predetermined constant number. The pitch does not depend on the height and the width.

Disclosed are an electronic device including a housing having a matte surface and a method of manufacturing the same. An electronic device according to various embodiments of the disclosure is an electronic device including a housing. The housing may include a base material including an aluminum alloy, a plurality of pits adjacently formed on a surface of the base material, and a crystal grain boundary protrusion part formed as a crystal grain boundary of the surface of the base material portion protrudes on the surface. A method of manufacturing a housing for an electronic device may include an etching step of generating irregularities on a surface of a base material including an aluminum alloy in a way to etch the base material by dipping the base material into an etching solution containing chloride ions, and an anodizing step of forming an anodizing layer on the surface of the base material by dipping, into an anodizing solution, the base material on which the etching step has been completed and applying a current to the base material by using the base material as an anode.

Disclosed are an electronic device including a housing having a matte surface and a method of manufacturing the same. An electronic device according to various embodiments of the disclosure is an electronic device including a housing. The housing may include a base material including an aluminum alloy, a plurality of pits adjacently formed on a surface of the base material, and a crystal grain boundary protrusion part formed as a crystal grain boundary of the surface of the base material portion protrudes on the surface. A method of manufacturing a housing for an electronic device may include an etching step of generating irregularities on a surface of a base material including an aluminum alloy in a way to etch the base material by dipping the base material into an etching solution containing chloride ions, and an anodizing step of forming an anodizing layer on the surface of the base material by dipping, into an anodizing solution, the base material on which the etching step has been completed and applying a current to the base material by using the base material as an anode.

A scanner for scanning a dental site comprises a base, a detector mounted to the base, and an optical element to redirect light reflected off of the dental site towards the detector along a detection axis in a first direction. Two or more flexures couple the optical element to the base, wherein thermal expansion or contraction of the optical element with respect to at least one of the detector or the base bends each flexure of the two or more flexures in a respective second direction without bending the flexure in a respective third direction approximately perpendicular to the first direction and the respective second direction, wherein the two or more flexures maintain an alignment of the optical element to the detector with changes in temperature.

A scanner for scanning a dental site comprises a base, a detector mounted to the base, and an optical element to redirect light reflected off of the dental site towards the detector along a detection axis in a first direction. Two or more flexures couple the optical element to the base, wherein thermal expansion or contraction of the optical element with respect to at least one of the detector or the base bends each flexure of the two or more flexures in a respective second direction without bending the flexure in a respective third direction approximately perpendicular to the first direction and the respective second direction, wherein the two or more flexures maintain an alignment of the optical element to the detector with changes in temperature.

According to an embodiment of the disclosure, an electronic device may include: a housing defining at least one surface of the electronic device. The housing may include: a metal plate comprising at least one penetration hole, a first nonmetallic part combined with the metal plate and surrounding at least a part of a side surface of the metal plate, and a second nonmetallic part at least partially disposed in the at least one penetration hole and providing a part of the one surface.

According to an embodiment of the disclosure, an electronic device may include: a housing defining at least one surface of the electronic device. The housing may include: a metal plate comprising at least one penetration hole, a first nonmetallic part combined with the metal plate and surrounding at least a part of a side surface of the metal plate, and a second nonmetallic part at least partially disposed in the at least one penetration hole and providing a part of the one surface.

An electronic device includes at least two modules, each module includes at least one component; two adjacent modules of the at least two modules are detachably connected, and the two adjacent modules are electrically connected; the housings of the at least two modules are connected to form the housing of the electronic device; in the at least two modules, the first module includes a mainboard and the second module includes a battery. When any module in the electronic device needs to be updated, the module only needs to be detached from the electronic device, and then the replacement of the module is connected to other modules, thereby forming a new electronic device. There is no need to replace the entire electronic device, and the hardware cost is reduced.

An electronic device includes at least two modules, each module includes at least one component; two adjacent modules of the at least two modules are detachably connected, and the two adjacent modules are electrically connected; the housings of the at least two modules are connected to form the housing of the electronic device; in the at least two modules, the first module includes a mainboard and the second module includes a battery. When any module in the electronic device needs to be updated, the module only needs to be detached from the electronic device, and then the replacement of the module is connected to other modules, thereby forming a new electronic device. There is no need to replace the entire electronic device, and the hardware cost is reduced.

An electronic device having a unitary housing is disclosed. The device can include a first housing component having an open cavity, an internal electronic part disposed within the cavity, a second housing component disposed across the cavity, and a support feature disposed within the cavity and arranged to support the second housing component. The first housing component can be formed from metal, while the second housing component can be formed from a plurality of laminated foil metal layers. The second housing component can be attached to the first housing component via one or more ultrasonic welds, such that a fully enclosed housing is created. The fully enclosed housing can be hermetically sealed, and the outside surfaces thereof can be machined or otherwise finished after the ultrasonic welding.