Abstract: A multi-phase coupled inductor includes a first iron core, a second iron core, and a plurality of coil windings. The first iron core includes a first body and a plurality of first core posts. The plurality of first core posts are connected to the first body. The second iron core is opposite to the first iron core. The second iron core and the first body are spaced apart from each other by a gap. The plurality of coil windings wrap around the plurality of first core posts, respectively. Each of the coil windings has at least two coils.

Abstract: The present invention provides a method for accessing a flash memory module, wherein the method includes the steps of: writing data into a plurality of pages of a specific block, and establishes or updates a F2H mapping table based on physical addresses of the plurality of pages and logical addresses of the data; using the F2H mapping table to update a H2F mapping table; initializing a flush-bitmap, wherein the flush-bitmap records a plurality of flush bits corresponding to the physical addresses of the plurality of pages, respectively; receiving a trim command from a host device, wherein the trim command asks to mark at least one of the logical addresses of the data as invalid; updating the H2F mapping data according to the trim command; updating the flush-bitmap according to the trim command; and writing the updated H2F mapping table and the updated flush-bitmap into the flash memory module.

Abstract: Some embodiments of the present disclosure provide an N-type TOPCon cell with double-sided aluminum paste electrodes, and a preparation method therefor. The front side of the cell is provided with a front-side silver main grid and a front-side aluminum fine grid, and the back side is provided with a back-side silver main grid and a back-side aluminum fine grid. The method for preparing the cell includes: texturing?B diffusion?BSG removal?alkali polishing?depositing a tunnel oxide layer and a polysilicon layer on a back side of a substrate by means of LPCVD?P diffusion on the back side?PSG removal?plating removal?deposition of an AlOx preparatory layer and a first SiNxHy preparatory layer on the front side?deposition of a second preparatory layer SiNxHy on the back side?UV laser ablation on the front side of the substrate and the back side of the substrate?screen printing.

Abstract: A lens protection device includes a housing, a first and a second sliding cover. The housing includes an opening and a connecting portion. The first sliding cover includes a first cover plate, a first connecting shaft, and a first and a second magnet. One end of the first connecting shaft connects to the first cover plate and another end pivotally connects to the connecting portion. The first connecting shaft is rotated to move the first cover plate. The first and the second magnet are disposed at a front and a rear end of the first cover plate, respectively. The second sliding cover includes a second cover plate and a second connecting shaft. One end of the second connecting shaft connects to the second cover plate, and another end pivotally connects to the connecting portion. The second connecting shaft is rotated to move the second cover plate.

Abstract: Some embodiments of the present disclosure provide a back structure of a solar cell. The back structure includes an aluminum oxide film layer disposed on a silicon wafer substrate, and a first silicon nitride film layer and a first silicon oxynitride film layer, which are successively disposed on the aluminum oxide film layer from inside to outside; and the back structure further includes a second silicon nitride film layer disposed on the first silicon oxynitride film layer. The refractive index of the first silicon nitride film layer is greater than that of the second silicon nitride film layer, and the refractive index of the second silicon nitride film layer is greater than that of the first silicon oxynitride film layer.

Abstract: Some embodiments of the present invention relate to a technical field of N-type TOPCon solar cells, and disclosed a back-side metal electrode of an N-type TOPCon solar cell. The back-side metal electrode includes a substrate, a plurality of first silver fine grids disposed on a passivation film which is on a back side of the substrate, a plurality of second aluminum fine grids overlaid on the plurality of first silver fine grids, and a plurality of first silver main grids disposed perpendicular to the plurality of first silver fine grids. Each of the plurality of first silver main grids is a segmented structure. The back-side metal electrode further includes a plurality of second aluminum main grids, which are formed, in a printing manner, between any two adjacent grid segments of a plurality of grid segments and around each of the plurality of grid segments.

Abstract: The present invention provides a method for accessing a flash memory module, wherein the method includes the steps of: writing data into a plurality of pages of a specific block, and establishes or updates a F2H mapping table based on physical addresses of the plurality of pages and logical addresses of the data; using the F2H mapping table to update a H2F mapping table; initializing a flush-bitmap, wherein the flush-bitmap records a plurality of flush bits corresponding to the physical addresses of the plurality of pages, respectively; receiving a trim command from a host device, wherein the trim command asks to mark at least one of the logical addresses of the data as invalid; updating the H2F mapping data according to the trim command; updating the flush-bitmap according to the trim command; and writing the updated H2F mapping table and the updated flush-bitmap into the flash memory module.

Abstract: A hearing assistance device, including a housing, a receiver, and a cable, is provided. The housing has an ear hook and a first contour arc. The cable faces the ear hook, penetrates the housing, and connects to a receiver.

Abstract: A viewing angle switching module includes a first viewing angle controlling device, a second viewing angle controlling device, a first polarizer, and a second polarizer. The first viewing angle controlling device includes a first alignment layer, a second alignment layer, and a first liquid crystal layer. The second viewing angle controlling device includes a third alignment layer, a fourth alignment layer, and a second liquid crystal layer. The first polarizer is disposed on a side of the first viewing angle controlling device, and an axial direction of a first absorption axis thereof is perpendicular or parallel to a first alignment direction of the first alignment layer. The second polarizer is disposed on a side of the second viewing angle controlling device, and an axial direction of a second absorption axis thereof is perpendicular or parallel to a third alignment direction of the third alignment layer. A display apparatus including the same is also disclosed.

Abstract: Glasses have a groove provided in a vertical direction on a bridge of a glasses frame. A support section of a nose pad of the glasses is connected to an end portion of a positioning section of the nose pad, the positioning section is slidably disposed in the groove, and the positioning section has a plurality of locking slots and a limiting slot. An adjustment mechanism of the glasses is disposed at the glasses frame, and a pressing member of the adjustment mechanism is disposed perpendicular to the groove, where one end of the pressing member protrudes from one side of the groove, and the other end penetrates through the groove and the limiting slot. A positioning member of the adjustment mechanism is connected to the other end of the pressing member. The positioning member moves from a positioning position to a release position by pushing of the pressing member.

Abstract: A receiving box for two hearing assistance devices including a housing, a cover, and an L-shaped hinge is provided. The housing includes a hinge recess, and two receiving slots independent of each other. The two receiving slots are configured to respectively receive the hearing assistance devices. The L-shaped hinge includes two opposite ends. One end is pivoted in the hinge recess, and the other end is fixed to the cover.

Abstract: The application discloses a universal joint assembly. The universal joint assembly, includes a base, two clamping members, a ball shaft, and a locking member. The base has an accommodating groove, a first opening and a second opening disposed opposite to the first opening. The clamping member is disposed inside the accommodating groove. Each of the two clamping members includes a bearing portion, a fulcrum portion, and a clamping portion. An adjustable space exists between an outer side of the bearing portion and an inner wall of the accommodating groove. The locking member presses the ball shaft and the bearing portion. The clamping member take a position where the fulcrum portion contacts the inner wall as a fulcrum, so that the clamping portion moves toward the ball shaft and clamps the ball shaft.

Abstract: The disclosure provides a touch display panel including a substrate and a first mesh electrode. The first mesh electrode is disposed on the substrate and includes a plurality of first extending portions, a plurality of second extending portions, and a plurality of first disconnection regions. The first extending portions are arranged along a first direction and extend in a second direction. The first direction intersects with the second direction. The second extending portions are arranged along the second direction and extend in the first direction. The first disconnection regions are arranged along the first direction and extend in the second direction. The first disconnection regions overlap the second extending portions and do not overlap the first extending portions.

Abstract: A receiving box for two hearing assistance devices including a housing, a cover, and an L-shaped hinge is provided. The housing includes a hinge recess, and two receiving slots independent of each other. The two receiving slots are configured to respectively receive the hearing assistance devices. The L-shaped hinge includes two opposite ends. One end is pivoted in the hinge recess, and the other end is fixed to the cover.

Abstract: A hearing assistance device, including a housing, a receiver, and a cable, is provided. The housing has an ear hook and a first contour arc. The cable faces the ear hook, penetrates the housing, and connects to a receiver.

Abstract: A circuit board includes a substrate, a plurality of electronic components disposed on the substrate, and at least one cable management structure. The substrate is provided with a first surface and a second surface. The first surface and the second surface are correspondingly disposed. The cable management structure is used for limiting a configuration direction of at least one cable. The cable management structure includes at least one cable management column and at least one cable collection member. The cable management column is disposed on the first surface of the substrate. The cable collection member is disposed at an edge of the substrate, and the cable management column is located beside the cable collection member. The cable is capable of bypassing the cable management column and passing through the cable collection member from the edge of the substrate to the second surface, to achieve cable management and positioning effects.

Abstract: A lens protection device includes a housing, a first and a second sliding cover. The housing includes an opening and a connecting portion. The first sliding cover includes a first cover plate, a first connecting shaft, and a first and a second magnet. One end of the first connecting shaft connects to the first cover plate and another end pivotally connects to the connecting portion. The first connecting shaft is rotated to move the first cover plate. The first and the second magnet are disposed at a front and a rear end of the first cover plate, respectively. The second sliding cover includes a second cover plate and a second connecting shaft. One end of the second connecting shaft connects to the second cover plate, and another end pivotally connects to the connecting portion. The second connecting shaft is rotated to move the second cover plate.

Abstract: A flexible printed circuit board and an electronic device using the same are provided. The electronic device includes a first casing, a second casing, and a printed circuit board combination. The printed circuit board combination includes a first printed circuit board, a second printed circuit board, and a flexible printed circuit board. The flexible printed circuit board includes a body portion, a first extending end, and a second extending end. The body portion defines an opening. The first extending end bends from a first side of the body portion toward the body portion and extends toward a first direction after passing through the opening to connect the first printed circuit board. The second extending end extends from a second side of the body portion toward a second direction to connect the second printed circuit board.

Abstract: The disclosure provides a touch display panel including a substrate and a first mesh electrode. The first mesh electrode is disposed on the substrate and includes a plurality of first extending portions, a plurality of second extending portions, and a plurality of first disconnection regions. The first extending portions are arranged along a first direction and extend in a second direction. The first direction intersects with the second direction. The second extending portions are arranged along the second direction and extend in the first direction. The first disconnection regions are arranged along the first direction and extend in the second direction. The first disconnection regions overlap the second extending portions and do not overlap the first extending portions.

Abstract: The present disclosure provides an electronic device, including a housing, a button, and a switch. An opening is formed through a wall surface of the housing. The housing has a stopping portion integrally disposed on the wall surface and adjacent to the opening, a notch being defined between a part of the stopping portion and the wall surface, the notch having a notch height. The button is configured to be mounted at the opening and includes a pressing portion and an extending portion. The pressing portion is movably accommodated in the opening. An end of the extending portion is connected to the pressing portion, and the other end is fixed to the wall surface. The extending portion movably passes through the notch. A thickness of the extending portion passing through the notch is smaller than the notch height. A switch is disposed at a position corresponding to the pressing portion in the housing.