Abstract: A sampling device comprises a handle and a collector. The collector is connected to the handle. The collector has a capillary function and is able to automatically suction a liquid reagent or sample. The sampling device is able to suction a required amount of the reagent or sample quickly, conveniently and quantitatively. The sampling device can be product conveniently, and may achieve micro-quantitative sampling. The reagent is stored in the collector of the sampling device in the form of a dry powder, which may achieve the individual packaging of the detection reagent.

Abstract: A lens assembly includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. The first lens is with positive refractive power and includes a convex surface facing an object side and a concave surface facing an image side. The second lens is with positive refractive power. The third lens is with negative refractive power and includes a convex surface facing the object side. The fourth lens is with negative refractive power and includes a concave surface facing the object side. The fifth lens is with positive refractive power and includes a convex surface facing the image side.

Abstract: Embodiments of the present invention relate to a wireless charging device. The wireless charging device includes a housing, an induction coil, a ferrite, a printed circuit board (PCB), and a fan. The housing includes a first surface and a second surface, a protrusion is disposed on the first surface, and the protrusion is configured to: support a to-be-charged device, and leave a gap between the to-be-charged device and the first surface when the to-be-charged device is installed on the wireless charging device. At least one first air guiding opening and at least one second air guiding opening are disposed on the housing. When the fan runs, the first air guiding opening, the fan, and the second air guiding opening form an air duct that passes through the ferrite and the PCB.

Abstract: A heat-conducting assembly includes a middle frame and a heat-conducting structure. The middle frame is plate-shaped, having a first side surface and a second side surface that are opposite to each other, and being provided with a first through hole through which the first side surface communicates with the second side surface. The heat-conducting structure includes a heat dissipation part and a conducting part. The heat dissipation part is fastened to the second side surface, and the conducting part extends into the first through hole. The conducting part includes a conductor being connected to the heat dissipation part and a heat insulator which is fastened in the first through hole through the heat insulator, and is in contact with a heat source, which is close to one end that is of the first through hole and that is located on the first side surface.

Abstract: A lens assembly includes a first lens group, a second lens group, a third lens group, a fourth lens group, a fifth lens group, a sixth lens group, and a first reflective element. The first and third lens groups are with negative refractive power. The second and fourth lens groups are with positive refractive power. The fifth and sixth lens groups are with refractive power. The first, second, third, fourth, fifth, and sixth lens groups are arranged in order from a first side to a second side along an axis. The first reflective element includes a first reflective surface. A light from the first side sequentially passes through the first, second, third, fourth, fifth, and sixth lens groups to the second side. The first reflective element is disposed between the first lens group and the sixth lens group.

Abstract: This application provides a film-like heat dissipation member, a bendable display apparatus, and a terminal device. The film-like heat dissipation member includes a heat dissipation layer. Composition and a structure of the heat dissipation layer are designed, so that a tangent-plane length of the heat dissipation layer changes in a surface bending process, can be bent repeatedly, and can implement uniform temperatures on two sides of the bendable display apparatus and the terminal device, thereby improving heat dissipation capabilities of the bendable display apparatus and the terminal device.

Abstract: In an electronic device, a circuit board connects different systems or structures such that heat of a system with a relatively large amount of heat can be transferred to a position or a heat dissipation structure with a relatively small amount of heat, thereby mitigating local high temperatures in the electronic device and distributing heat more evenly throughout the electronic device.

Abstract: A heat-conducting assembly includes a middle frame and a heat-conducting structure. The middle frame is plate-shaped, having a first side surface and a second side surface that are opposite to each other, and being provided with a first through hole through which the first side surface communicates with the second side surface. The heat-conducting structure includes a heat dissipation part and a conducting part. The heat dissipation part is fastened to the second side surface, and the conducting part extends into the first through hole. The conducting part includes a conductor being connected to the heat dissipation part and a heat insulator which is fastened in the first through hole through the heat insulator, and is in contact with a heat source, which is close to one end that is of the first through hole and that is located on the first side surface.

Abstract: A heat dissipation apparatus includes a heat dissipation panel built in the electronic device. The heat dissipation panel includes a first heat conducting layer, including a first surface and a second surface. The first surface is a surface exposed to the outside when the first heat conducting layer is bent. The second surface is a surface opposite to the first surface. A first region on the first heat conducting layer is used to absorb heat released by a heat emitting component, and conduct the heat to a second region on the first heat conducting layer, to dissipate the heat. The heat dissipation panel also includes first flexible layer, including a third region. The third region adheres to a position that is on the second surface of the first heat conducting layer and that corresponds to a bending region.

Abstract: The present invention relates to a gantry of a CT scanning device comprising: a first housing having a first bore; a second housing having a second bore, disposed opposite to the first housing, wherein there is a gap between the first bore and the second bore, as a ray scanning bore; a scan window assembly comprising an annular window body having an inner surface and an outer surface, the scan window assembly being engaging-locked with the first housing and the second housing and sealing and covering the ray scanning bore. In this way, the engaging-lock can restrict deformation of the annular window body when an external force is applied on the scan window assembly, and the sealing can prevent liquid in the first and second housing from leaking out and prevent liquid inside the scan window assembly from leaking into the first and second housing.

Abstract: A lens assembly includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a reflective element. The first lens is with refractive power and includes a concave surface facing an object side along an axis. The second lens is with refractive power and includes a convex surface facing the object side along the axis. The third, fourth, and fifth lenses are with refractive power. The reflective element includes a reflective surface. The first, second, third, fourth, and fifth lenses are arranged in order from the object side to an image side along the axis. The reflective element is disposed between the first lens and the fifth lens. The lens assembly satisfies: 2 mm<L<6 mm; wherein L is an interval from an object side surface of the first lens to the reflective surface along the axis.

Abstract: An electronic device comprises a heat dissipating layer disposed on a rear cover, a first shield cover and a second shield cover disposed on a mainboard, and a speaker box disposed on a surface of an antenna panel. The first region of the heat dissipating layer is in contact with the first shield cover, and the second shield cover is in contact with a first region of a middle frame; a second region of the heat dissipating layer is in contact with a surface of a battery, and the other surface of the battery is in contact with a second region of the middle frame, and a third region of the heat dissipating layer is in contact with a surface of the speaker box that is distant from the antenna panel, and the other surface of the antenna panel is in contact with a third region of the middle frame.

Abstract: An optical camera lens including a first lens, a second lens, and a third lens arranged in sequence from the object side to the image side. The first lens has a positive refractive power, and includes a first object side surface and a first image side surface opposite to the first object side surface. The second lens has a negative refractive power, and includes a second object side surface and a second image side surface opposite to the second object side surface, wherein the second image side surface is concave. The third lens has a positive refractive power, and includes a third object side surface and a third image side surface opposite to the third object side surface, wherein both the third object side surface and the third image side surface are convex. The optical camera lens satisfies the following condition: 2<(f+BFL)/OD1<7.

Abstract: Embodiments of the present invention relate to a wireless charging device. The wireless charging device includes a housing, an induction coil, a ferrite, a printed circuit board (PCB), and a fan. The housing includes a first surface and a second surface, a protrusion is disposed on the first surface, and the protrusion is configured to: support a to-be-charged device, and leave a gap between the to-be-charged device and the first surface when the to-be-charged device is installed on the wireless charging device. At least one first air guiding opening and at least one second air guiding opening are disposed on the housing. When the fan runs, the first air guiding opening, the fan, and the second air guiding opening form an air duct that passes through the ferrite and the PCB.

Abstract: A heat dissipation apparatus includes a heat dissipation panel built in the electronic device. The heat dissipation panel includes a first heat conducting layer, including a first surface and a second surface. The first surface is a surface exposed to the outside when the first heat conducting layer is bent. The second surface is a surface opposite to the first surface. A first region on the first heat conducting layer is used to absorb heat released by a heat emitting component, and conduct the heat to a second region on the first heat conducting layer, to dissipate the heat. The heat dissipation panel also includes first flexible layer, including a third region. The third region adheres to a position that is on the second surface of the first heat conducting layer and that corresponds to a bending region.

Abstract: A folding device and a heat dissipation apparatus, where the folding device includes a heat collection element, including a heat collection plate and a first shaft sleeve, where a first end of the heat collection plate is in contact with a heat source in a first folding part, and a second end of the heat collection plate is coupled to an outer wall of the first shaft sleeve, the first shaft sleeve is sleeved on a rotating shaft, and a third end of the cooling element is in contact with the rotating shaft, and a fourth end of the cooling element is in contact with a heat dissipation device in a second folding part.

Abstract: A lens assembly is configured to be disposed under a cover glass, in a gap region and outside a display region, including a plurality of lenses, a reflector and an image sensor. The lenses, the reflector and the image sensor are sequentially arranged from an object side to an image side along an optical axis. One of the lenses is adjacent to the object side, has a minimum diameter of clear aperture, and has an outer circumferential portion which is non-circular. The lens assembly satisfies at least one of following conditions: BFL?VL and BFL?0.6×DL where BFL is a back focal length of the lens assembly, VL is a minimum side length of the image sensor, and DL is a diagonal length of the image sensor. A lens device includes a cover glass, a case, a display panel and the lens assembly.

Abstract: A lens assembly includes a first lens, a second lens, a third lens, and a fourth lens. The first lens is with positive refractive power and includes a concave surface facing an object side and a convex surface facing an image side. The second lens is with negative refractive power and includes a concave surface facing the object side. The third lens is with positive refractive power. The fourth lens is with refractive power and includes a concave surface facing the image side. The first lens, the second lens, the third lens, and the fourth lens are arranged in order from the object side to the image side along an optical axis. The lens assembly satisfies: TTL/f>1.2; wherein TTL is a total length of optical system of the lens assembly and f is an effective focal length of the lens assembly.

Abstract: A thin light optical system of a wearable virtual reality display device having a convex lens and a concave lens. The secondary optical reflection through the convex lens shortens the focal length of the entire optical system to about 16.5 mm, so that the display can be placed 1 mm from the convex lens. The convex lens provides a magnification function of 6 times. The concave lens and the convex lens are made of light material thereby reducing the volume and weight of the virtual reality display device which increases the wearing comfort.

Abstract: A heat-conducting assembly is described, the assembly includes a middle frame and a heat-conducting structure. The middle frame is plate-shaped, having a first side surface and a second side surface that are opposite to each other, and being provided with a first through hole through which the first side surface communicates with the second side surface. The heat-conducting structure includes a heat dissipation part and a conducting part. The heat dissipation part is fastened to the second side surface, and the conducting part extends into the first through hole. The conducting part includes a conductor being connected to the heat dissipation part and a heat insulator which is fastened in the first through hole through the heat insulator, and is in contact with a heat source, which is close to one end that is of the first through hole and that is located on the first side surface.