Abstract: A pixel circuit includes: a first to a sixth transistors, a driving transistor and a capacitor. A first-terminal of the first transistor receives a reference voltage. A first-terminal of the second transistor and a first-terminal of the third transistor are coupled to a second-terminal of the first transistor. A second-terminal of the second transistor and a control-terminal of the driving transistor are coupled to a first node. A first-terminal of the fourth transistor receives a data signal. A first-terminal of the fifth transistor receives a system high voltage. A second-terminal of the fourth transistor, a second-terminal of the fifth transistor and a first-terminal of the driving transistor are coupled to a second node. The driving transistor is coupled to a light emitting element through the sixth transistor. The capacitor is coupled between the first node and a first-terminal of the fifth transistor.

Abstract: An electronic device includes a host, a display, a sliding plate, and a keyboard. The host has an operating surface. The display is pivoted to the host. The sliding plate is slidably disposed in the host, where the display is mechanically coupled to the sliding plate, and the sliding plate includes a plat portion and a recess portion that are arranged side by side. The keyboard is integrated to the host. The keyboard includes a key structure, where the key structure includes a key cap and a reciprocating element, and the key cap is exposed from the operating surface of the host. The reciprocating element is disposed between the key cap and the sliding plate and has a first end connected to the key cap and a second end contacting the sliding plate. The second end is located on a sliding path of the plat portion and the recess portion.

Abstract: A key structure includes a base plate, a key cap disposed above the base plate, a scissor abutting against the base plate and the key cap, a spring abutting against the key cap, a positioning base connected to the key cap, a first cover connected to the positioning base and a second cover slidably connected to the first cover. The scissor, the spring, the positioning base, the first cover and the second cover are located between the base plate and the key cap. The positioning base has a positioning groove and a part of the spring is located in the positioning groove. The first cover has a through hole overlapped with the positioning groove, and the spring penetrates the through hole. The second cover penetrates the through hole and abuts against the base plate, and another part of the spring abuts against the second cover.

Abstract: The present disclosure provides a motor with a grounded rotor. The motor includes a stator and a rotor. The stator includes a bearing seat, a conductive plate and an elastic element. The bearing seat receives a first bearing and a second bearing. The conductive plate is disposed in the bearing seat and has at least one overlapping foot convexly formed thereon. The elastic element is arranged between the first bearing and the second bearing, and integrally formed with the at least one overlapping foot into one piece. The rotor includes a rotating shaft. The rotating shaft is inserted in the first bearing and the second bearing along the axial direction. The conductive plate and the rotating shaft are electrically connected to each other.

Abstract: A rotor-grounded motor including a stator, a rotor and a conductive plate. The stator is disposed with a bearing seat, and the bearing seat accommodates a bearing. The rotor includes a rotating shaft, and the rotating shaft is inserted in the bearing and electrically connected therewith. The conductive plate is disposed on the bearing seat, and one end of the conductive plate is connected to the bearing and the other end is electrically connected to a grounding terminal. The rotating shaft and the grounding terminal are electrically connected.

Abstract: A waterproof casing for packaging a circuit board is provided. The circuit board comprises an antenna. The waterproof casing comprises a metallic casing, a non-metallic end cover and a sealing gasket. The metallic casing comprises an accommodation space and a side opening in communication with each other. The accommodation space is configured to accommodate the circuit board. The antenna is adjacent to the side opening. The non-metallic end cover covers the side opening and combined with the metallic casing to form a sealed box. The non-metallic end cover comprises a ring-shaped install portion disposed on a surface thereof and extending outwardly from the surface. The ring-shaped install portion is disposed in the accommodation space as the non-metallic end cover covers the side opening. The sealing gasket is disposed around the ring-shaped install portion. A joint between the metallic casing and the non-metallic end cover is sealed by the sealing gasket.

Abstract: A key structure includes a base plate, a key cap, a positioning base, a positioning cover, and a spring. The key cap is disposed above the base plate and has a bottom surface. The positioning base is connected to the bottom surface of the key cap and has a positioning recess. The positioning cover is slidably connected to the positioning base, is inserted into the positioning recess, and includes a bottom portion and a side wall. The spring includes a first spring portion and a second spring portion. The first spring portion is located in the positioning recess and is in contact with the bottom surface of the key cap. The second spring portion is located in the positioning cover. An orthographic projection of the first spring portion on the bottom surface of the key cap is overlapped with an orthographic projection of the side wall of the positioning cover on the bottom surface of the key cap.

Abstract: An electronic device includes a host, a display, a sliding plate, and a keyboard. The host has an operating surface. The display is pivoted to the host. The sliding plate is slidably disposed in the host, where the display is mechanically coupled to the sliding plate, and the sliding plate includes a plat portion and a recess portion that are arranged side by side. The keyboard is integrated to the host. The keyboard includes a key structure, where the key structure includes a key cap and a reciprocating element, and the key cap is exposed from the operating surface of the host. The reciprocating element is disposed between the key cap and the sliding plate and has a first end connected to the key cap and a second end contacting the sliding plate. The second end is located on a sliding path of the plat portion and the recess portion.

Abstract: A key structure includes a base plate, a key cap, a positioning base, a positioning cover, and a spring. The key cap is disposed above the base plate and has a bottom surface. The positioning base is connected to the bottom surface of the key cap and has a positioning recess. The positioning cover is slidably connected to the positioning base, is inserted into the positioning recess, and includes a bottom portion and a side wall. The spring includes a first spring portion and a second spring portion. The first spring portion is located in the positioning recess and is in contact with the bottom surface of the key cap. The second spring portion is located in the positioning cover. The first spring portion is located on a path on which the side wall of the positioning cover slides toward the bottom surface of the key cap.

Abstract: A key structure includes a base plate, a key cap, a positioning base, a positioning cover, and a spring. The key cap is disposed above the base plate and has a bottom surface. The positioning base is connected to the bottom surface of the key cap and has a positioning recess. The positioning cover is slidably connected to the positioning base, is inserted into the positioning recess, and includes a bottom portion and a side wall. The spring includes a first spring portion and a second spring portion. The first spring portion is located in the positioning recess and is in contact with the bottom surface of the key cap. The second spring portion is located in the positioning cover. The first spring portion is located on a path on which the side wall of the positioning cover slides toward the bottom surface of the key cap.

Abstract: An electronic device includes a casing, a driven component, a magnetic component and an electromagnetic component. The casing has an outer surface, an inner surface, and an accommodating groove penetrating through the outer surface and the inner surface. The driven component is movably disposed in the accommodating groove. The magnetic component is connected to the driven component. The electromagnetic component is aligned with the magnetic component, and the magnetic component and the electromagnetic component are located at the same side of the inner surface. When the electromagnetic component isn't powered, the magnetic component and the electromagnetic component are attracted to each other, and the driven component is positioned at a first position. When the electromagnetic component is powered, the magnetic component and the electromagnetic component are repulsed to each other so as to drive the driven component to move from the first position to the second position.

Abstract: A waterproof casing for packaging a circuit board having an antenna includes a housing, a waterproof gasket, and an end cover. The housing has an accommodation space and a side opening communicating with each other. The accommodation space is configured to accommodate the circuit board. The waterproof gasket includes a main body and an extending portion. The main body covers the side opening. The extending portion extends from the main body. The end cover abuts against a side of the main body away from the accommodation space, and is fixed to the housing to form a box with the housing. The box has a communication opening positioned corresponding to the antenna. The extending portion hermetically covers the communication opening.

Abstract: A key structure including a circuit board, a membrane, a positioning frame, a sensor module, a scissor leg, and a key cap is provided. The membrane is disposed on the circuit board and is electrically connected to each other. The positioning frame is disposed on the membrane. The sensor module is disposed on the membrane and is electrically connected to the circuit board. The scissor leg is connected to the positioning frame and is adapted to move up and down relative to the positioning frame. The key cap is detachably disposed at the scissor leg and is spaced with positioning frame. The key cap has a reflective plane and a shaft component. The reflective plane faces the membrane. The shaft component is extended from the reflective plane and penetrates through the scissor leg and the positioning frame to abut the membrane. The sensor module is aligned with the reflective plane.

Abstract: A key structure including a base, a light sensing module, a carrier, a magnetic member, a cap, and a scissor structure are provided. The light sensing module is disposed at the base. The carrier is located above the base. The magnetic member is disposed on the carrier. The cap is adapted to be assembled to the carrier via a magnetic attracting force of the magnetic member or adapted to be detached from the carrier via overcoming the magnetic attracting force of the magnetic member. The scissor structure is connected between the base and the carrier. The carrier and the cap disposed thereon move up and down relative to the base via the scissor structure. An orthogonal projection of the magnetic member on the base is not overlapped with an orthogonal projection of the light sensing module on the base. A keyboard is also provided.

Abstract: A corneal tissue culture system and a corneal tissue culture method for increasing corneal endothelial cell density, healing of damaged corneal endothelial cell, and stimulating corneal endothelial cell proliferation are disclosed. The corneal tissue culture system comprises a tissue culture medium and a tissue culture dish to reduce metabolic pressure and reduce corneal tissue edema.

Abstract: A pixel circuit includes: a first to a sixth transistors, a driving transistor and a capacitor. A first-terminal of the first transistor receives a reference voltage. A first-terminal of the second transistor and a first-terminal of the third transistor are coupled to a second-terminal of the first transistor. A second-terminal of the second transistor and a control-terminal of the driving transistor are coupled to a first node. A first-terminal of the fourth transistor receives a data signal. A first-terminal of the fifth transistor receives a system high voltage. A second-terminal of the fourth transistor, a second-terminal of the fifth transistor and a first-terminal of the driving transistor are coupled to a second node. The driving transistor is coupled to a light emitting element through the sixth transistor. The capacitor is coupled between the first node and a first-terminal of the fifth transistor.

Abstract: A key structure includes a base plate, a key cap, a scissor, a spring, a positioning base, a first cover and a second cover. The key cap is disposed above the base plate. The scissor, the spring, the positioning base, the first cover and the second cover are located between the base plate and the key cap. The scissor abuts against the base plate and the key cap. The spring abuts against the key cap. The positioning base is connected to the key cap, wherein the positioning base has a positioning groove and a part of the spring is located in the positioning groove. The first cover is connected to the positioning base, wherein the first cover has a through hole overlapped with the positioning groove, and the spring penetrates the through hole. The second cover is slidably connected to the first cover. The second cover penetrates the through hole and abuts against the base plate, and another part of the spring abuts against the second cover and is covered by the second cover.