Abstract: An organic light emitting device is provided. The organic light emitting device includes a first electrode layer, a second electrode layer and a light emitting material layer. The second electrode layer is disposed opposite to the first electrode layer. The light emitting material layer is disposed between the first electrode layer and the second electrode layer, and includes an organic light emitting material and an electron transport material, wherein the electron transport material includes a compound represented by a formula (1) below: in which a group A represents an aromatic ring, a is 1, and a group B represents a nitrogen containing five-membered heterocyclic group and derivatives thereof, and has at least one nitrogen atom connected to a meta-position of the group A.

Abstract: A shielding assembly comprises a pair of opposite first sidewalls, a pair of opposite second sidewalls, a pair of opposite first covers, a pair of latching portion and a pair of opposite second covers. The first sidewalls and the second sidewalls are connected with each other to collectively form a hollow frame. The first covers are resiliently connected to the first sidewalls, respectively, and suitable to be bent to collectively cover the hollow frame. The pair of latching portions extend the first covers and are bent perpendicular to the first covers, respectively. A pair of gaps are defined respectively on two tail ends of each of the latching portions. The second covers are resiliently connected to the second sidewalls, respectively, and are bent to cover on the first covers and latched in corresponding gaps.

Abstract: A locking assembly used to lock at least one electronic device in a communication apparatus includes a housing, a latching member, a spring member and a key member. The latching member is pivotably connected to the housing by a pivoting member, and includes a pair of latching portions used to pass through the housing to be locked in the communication apparatus. The spring member is elastically connected between the housing and the latching member. The key member includes a pair of coupling portions used to be inserted into the housing and engage with the pair of receiving portions to make the latching member rotate relative to the housing about the pivoting member, so as to make the pair of latching portions to be released from the corresponding latching holes.

Abstract: A method for planarizing a semiconductor device includes providing a substrate having at least one opening therein, each opening defining a lower portion and an upper portion; coating a light sensitive material layer over the substrate, the light sensitive material layer covering the lower and upper portions of the at least one opening; etching back the light sensitive material layer to expose the upper portion of the at least one opening; repeating the steps of coating and etching to remove a predetermined amount below the upper portion of the at least one opening; depositing an insulating layer over the substrate; and planarizing the insulating layer until the upper portion of the at least one opening is exposed.

Abstract: An exemplary USB device includes a base including a body and a pair of arms extending from the body, a head rotatably positioned between the pair of arms, and a pair of wheels fixed to the head. When the base is gripped by a user and oriented at an oblique angle relative to an external surface, with the at least one wheel contacting the surface, and the base is moved by the user in a direction generally parallel to the surface, the head is capable of rotating relative to the base by reason of friction between the wheels and the surface, and the head is opened out from the base and is secured in position at a desired angle with respect to the base when the user ceases moving the base.

Abstract: A method for planarizing a semiconductor device includes providing a substrate having at least one opening therein, each opening defining a lower portion and an upper portion; coating a light sensitive material layer over the substrate, the light sensitive material layer covering the lower and upper portions of the at least one opening; etching back the light sensitive material layer to expose the upper portion of the at least one opening; repeating the steps of coating and etching to remove a predetermined amount below the upper portion of the at least one opening; depositing an insulating layer over the substrate; and planarizing the insulating layer until the upper portion of the at least one opening is exposed.

Abstract: A system for planarizing a semiconductor device includes a holder component for holding the substrate. The substrate has at least one opening therein, and each opening defines a lower portion and an upper portion. A resist applicator applies a layer of resist over the substrate, such that the resist layer covers the lower and upper portions. An etching component etches back the resist layer to expose the upper portion of the at least one opening. The resist applicator and the etching component repeat the steps of applying and etching, respectively, to remove a predetermined amount below the upper portion. A deposition component deposits an insulating layer over the substrate. A planarizing component planarizes the insulating layer until the upper portion of the at least one opening is exposed.

Abstract: The present disclosure provides various methods for removing an anti-stiction layer. An exemplary method includes forming an anti-stiction layer over a substrate, including over a first substrate region of a first material and a second substrate region of a second material, wherein the second material is different than the first material; and selectively removing the anti-stiction layer from the second substrate region of the second material without using a mask.

Abstract: A method is provided for fuel cell system control. In this method, the operation of a fuel cell system is divided into several modes, and the operation mode of the fuel cell system can be decided according to voltage signals, current signals and temperature signals of the fuel cell system. Moreover, a fuel cell system using this control method is also provided.

Abstract: A shielding assembly comprises a pair of opposite first sidewalls, a pair of opposite second sidewalls, a pair of opposite first covers, a pair of latching portion and a pair of opposite second covers. The first sidewalls and the second sidewalls are connected with each other to collectively form a hollow frame. The first covers are resiliently connected to the first sidewalls, respectively, and suitable to be bent to collectively cover the hollow frame. The pair of latching portions extend the first covers and are bent perpendicular to the first covers, respectively. A pair of gaps are defined respectively on two tail ends of each of the latching portions. The second covers are resiliently connected to the second sidewalls, respectively, and are bent to cover on the first covers and latched in corresponding gaps.

Abstract: A method for controlling a fuel cell system is provided. In this method, the operation of a fuel cell system is divided into several modes, and the operation mode of the fuel cell system is determined according to voltage signals, current signals, and temperature signals of the fuel cell system. Moreover, a fuel cell system using the control method is also provided.

Abstract: A building energy storage and conversion apparatus includes at least a control unit, an electric power conversion unit, an energy conversion unit and a thermoelectric conversion unit to regulate energy sources of the electric power conversion unit. The energy conversion unit generates cold/heat energy which is stored through a heat storage equipment (for cold/heat energy). The cold/heat energy can be released when needed. When the cold/heat energy is in a surplus state, it can be converted to electric power through the thermoelectric conversion unit or stored in the form of electric power. Thus energy resources can be converted and utilized in an optimal fashion to achieve energy self-sufficiency of a building. Moreover, energy exchange with other buildings in the neighborhood can be done to balance demand and supply.

Abstract: A hook shaft balance connection structure includes an operating element, a balance rod, and a connecting part. The operating element moves into a shell along the direction of the imposed force. The operating element includes a protrusion toward the direction of the force. The balance rod includes two axial parts and an eccentric part. The axial parts are on both ends of the balance rod, pivotally connected with the shell. The axes of them are on the same extension line. The eccentric part is disposed between the two axial parts, deviating from the axial parts by a predetermined distance. Its axis is parallel to those of the two axial parts. The eccentric part includes a first eccentric part in contact with the protrusion of the operating element and a second eccentric part by the first eccentric part. The connecting part includes a pushing part and two coupling parts. The pushing part is connected with the second eccentric part. The two coupling parts are connected to both ends of the connecting part.

Abstract: A receiver information display method for displaying receiver information when an e-mail is composed is provided. First, a receiver database is provided, wherein the receiver database contains a receiver data and at least one image corresponding to the receiver data. Then, a receiver account data is provided, and the corresponding image is automatically displayed when the receiver account data matches the receiver data. As a result, a user can identify a receiver instantly, and accordingly the possibility of sending e-mails to wrong receivers can be greatly reduced.

Abstract: A light emitting diode (LED) base with radiating fins is disclosed. The LED base includes a base plate which having a riveting structure on its bottom side, a conducting circuit, an LED unit, and radiating fins which are directly riveted to stand at the riveting structure on the bottom side of the base plate. The base plate and the riveted radiating fins are directly used as the heat dissipation module of the LED base to reduce the thermal resistance of the LED base during the heat dissipation process.

Abstract: A hook shaft balance connection structure includes an operating element, a balance rod, and a connecting part. The operating element moves into a shell along the direction of the imposed force. The operating element includes a protrusion toward the direction of the force. The balance rod includes two axial parts and an eccentric part. The axial parts are on both ends of the balance rod, pivotally connected with the shell. The axes of them are on the same extension line. The eccentric part is disposed between the two axial parts, deviating from the axial parts by a predetermined distance. Its axis is parallel to those of the two axial parts. The eccentric part includes a first eccentric part in contact with the protrusion of the operating element and a second eccentric part by the first eccentric part. The connecting part includes a pushing part and two coupling parts. The pushing part is connected with the second eccentric part. The two coupling parts are connected to both ends of the connecting part.

Abstract: An targeting device for intertrochanteric fracture includes a handle portion and an insertion portion to define an included angle; a protruding portion being formed at a free end of the insertion portion; a through hole being provided on the insertion portion at where closer to its center; the insertion portion being placed into a neck of the femur at where closer to its center; a guide wire being inserted via the through hole for the targeting device to fast and accurately achieve the central fixation at a head of the femur thus to match the femur and the neck of the femur for facilitating subsequent processes of drilling and placement of a dynamic hip screw to firmly secure the femur where the fracture takes place.

Abstract: The present invention relates to techniques to excite a circularly polarized antenna and, more particularly, to a circularly polarized antenna having a QUAD-EMC unit structure.

Abstract: A notebook computer expansion module is described. The notebook computer expansion module has a support rest, an adjusting handle, a cable, a base, and an adjustable rotational shaft. The adjusting handle coupled to one side of the support rest allows a user to operate conveniently the notebook computer expansion module. The cable is coupled between the adjusting handle and the adjustable rotational shaft for releasing the adjustable rotational shaft so as to rotate the support rest on the base. The adjusting shaft further includes a ratchet fixed on the base, a fixing device, and a fixing plate. The fixing device is coupled to the fixing plate when the fixing device is coupled to the ratchet so as to enhance an engagement strength between the fixing device and the ratchet.

Abstract: A femur slide nail has one end penetrating into head of the femur through neck from side of the femur and another end fixed to shaft of the femur; a thickening section being disposed to the nail corresponding to the neck; one or multiple transverse holes being provided on the thickening section; and the hole being secured with a fastener so that the nail will not easily breaking away from femur head to improve fixation strength of the nail.