Abstract: A portable electronic device including a main display having a locking recess at a side edge and at least one external display detachable relative to the side edge of the main display is provided. The external display includes a body, and at least one latch pivoted to the body. The latch is pivoted to the body to be swiveled out of or into the body. An opening of the locking recess faces obliquely upward and faces away from a direction of gravity when the main display is standing, the at least one latch swiveled out of the body faces obliquely downward and faces forward the direction of gravity to be inserted into the locking recess, and the at least one external display is hung on at the side edge of the main display by a weight of the at least one external display.

Abstract: Compounds having a structure of Formula I, are provided. In Formula I, moieties B, C, and D are each a monocyclic ring or a fused polycyclic ring system; M is Pd or Pt; each of Z1 to Z3 is C or N; each of K1, K2, and K3 is a single bond or a linker; n=0 or 1; if n is 0, then one RA is joined with one RD; when present L is a direct bond or a linker; each R variable is independently a hydrogen or a General Substituent; and at least one of four conditions each of which increases the Vertical Dipole Ratio of the compound is true.

Abstract: Provided is a compound having a formula of Ir(LA)p(LB)q(LC)r, wherein LA has a structure of Formula IA: LB has a structure of Formula IB; and LC is a bidentate ligand. In the compound p+q+r=3; each of moieties A, B, and D is a monocyclic ring or a polycyclic fused ring system; Z1 to Z4 and X1 to X8 are each C or N; two adjacent RC or RE are joined to form Formula II, Y1 and Y2 are each linking groups; Z is CRZ or N; each R, R?, RA, RB, RC, RD, RE, RF, and RZ is hydrogen or a General Substituent defined herein; and at least one of RA or RB comprises a silyl or germyl group. Formulations, OLEDs, and consumer products containing such compounds are also provided.

Abstract: A compound comprising a first ligand LA having a structure of Formula IA, is provided. In Formulae IA, moiety A is a monocyclic ring or a polycyclic fused ring system; X for each occurrence is independently C or N, with two adjacent of them being C and fused to moiety B through the two dotted lines; each of X1 to X5 is C or N; Y is a linking group; K is a direct bond or a linking group; and R1 is a substituent. If moiety A has a structure of Formula V, then (1) R2 has a structure of Formula VI, (2) R2 is a cycloalkyl or heterocycloalkyl group, or (3) R2 is an alkyl or heteroalkyl group, and two RB substituents are joined together to form a ring. Formulations, OLEDs, and consumer products containing such compounds are also provided.

Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, moiety A is a heterocyclic fused ring system comprising a 5-membered ring fused to a 6-membered ring; moiety B is an aromatic ring or fused ring system; each RA and RB is independently a hydrogen or a General Substituent; K is a direct bond, O, or S; at least one of RA and RB comprises a substituent R comprising a silyl group or a germyl group; ligand LA is coordinated to a metal M, which has an atomic mass of at least 40; and metal M may be coordinated to other ligands. Formulations, OLEDs, and consumer products containing the same are also provided.

Abstract: Provided are compounds having a first ligand LA of that are useful in OLEDs as emitters.

Abstract: A compound including a first ligand LA of Formula I, is provided. In Formula I, moiety B is a fused polycyclic ring system; X1 to X4 are each C or N; K is a direct bond or a linker; LA is coordinated to a metal. Formulations, OLEDs, and consumer products containing such compounds are also provided.

Abstract: A portable electronic device including a first body, a second body, and a hinge mechanism is provided. The second body is connected to the first body through the hinge mechanism, and the hinge mechanism has a rotating shaft fixed to the second body. When the second body rotates relative to the first body, the rotating shaft slides along an arc-shaped path to increase or decrease a distance between a lower edge of the second body and a back side of the first body.

Abstract: A method for fabricating semiconductor device includes the steps of forming an inter-metal dielectric (IMD) layer on a substrate, forming a trench in the IMD layer, forming a synthetic antiferromagnetic (SAF) layer in the trench, forming a metal layer on the SAF layer, planarizing the metal layer and the SAF layer to form a metal interconnection, and forming a magnetic tunneling junction (MTJ) on the metal interconnection.

Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly, a driving assembly and a stopping assembly. The fixed assembly has a main axis. The movable assembly is configured to connect an optical element, and the movable assembly is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly. The stopping assembly is configured to limit the movement of the movable assembly relative to the fixed assembly within a range of motion.

Abstract: A projection device, including a projection module, a projection lens, a distance sensor, a focus adjustment module, and a control unit, is provided. The projection module is configured to generate an image beam. The projection lens is disposed on a transmission path of the image beam. The focus adjustment module is connected to the projection lens. The control unit is configured to enable the projection device to enter a focus mode; enable the projection module to project the image beam to a projection surface; enable the distance sensor to sense a projection distance; calculate a focus adjustment parameter by using an auto focus transfer function according to the projection distance; and control the focus adjustment module to adjust a focal length of the projection lens according to the focus adjustment parameter. An auto focus method is also provided.

Abstract: A driving mechanism for moving an optical element is provided. The driving mechanism includes a fixed part, a movable part, a driving assembly, and a first guiding member. The optical element is disposed on the movable part. The driving assembly drives the movable part to move relative to the fixed par. The first guiding member is disposed between the fixed part and the movable part. The movable part is guided by the first guiding member when moving relative to the fixed part.

Abstract: A hinge mechanism is provided, including a connecting unit, a hinge unit, and a locking element. The connecting unit has a connecting member and a tubular member. The tubular member is disposed on the connecting member. The hinge unit has a first member, a second member, a shaft, and a rod. The shaft pivotally connects the first member to the second member. The rod is affixed to the second member. The rod extends into the tubular member and has a slot. The locking element is fastened through the tubular member and joined in the slot.

Abstract: A semiconductor structure includes a substrate having a memory device region and a logic device region, a first dielectric layer on the substrate, a plurality of memory stack structures on the first dielectric layer on the memory device region, an insulating layer conformally covering the memory stack structures and the first dielectric layer, a second dielectric layer on the insulating layer and completely filling the spaces between the memory stack structures, and a first interconnecting structure formed in the second dielectric layer on the logic device region. A top surface of the first interconnecting structure is flush with a top surface of the second dielectric layer and higher than top surfaces of the memory stack structures.

Abstract: A dust-proof telecommunication system is disclosed. The dust-proof telecommunication system includes a chassis, critical components located within the chassis, and a filter module located within the chassis near at least some of the critical components that need to be cooled. For example, the critical components include a central processing unit (CPU), a system on chip (SoC), a memory module, a PCIe card, and/or a chipset. The filter module has a filter cover that surrounds at least in part the critical components, a first air filter located at an inlet of an airflow, and a second air filter located at an outlet. The critical components located at a protective space within the chassis receive and are cooled by the airflow passing through the air filter.

Abstract: A computing system including a water-resistant chassis, at least one electronic component with a heat sink, and a gap filler. The heat sink includes an arrangement of fins separated by inter-fin spaces. The gap filler is in contact with both the heat sink and the water-resistant chassis. The gap filler is positioned in the inter-fin spaces to provide a heat conduction path between the heat sink and the chassis.

Abstract: A link down detector and a link down detecting method for Ethernet are provided. The link down detecting method includes the following steps. Firstly, a received signal is received, and a high-frequency band signal is extracted from the received signal. Consequently, the high-frequency band signal is formed as an extraction signal. Then, a high-frequency band power value of the extraction signal is calculated, and a full band power value of the received signal is calculated. Then, a ratio value of the high-frequency band power value to the full band power value is calculated. In a link up status, if the ratio value is changed dramatically in a specified time, a link down signal is asserted to indicate that a network device connected to the Ethernet is switched to a link down status.

Abstract: A semiconductor device includes a magnetic tunneling junction (MTJ) on a substrate, a spacer adjacent to the MTJ, a liner adjacent to the spacer, and a first metal interconnection on the MTJ. Preferably, the first metal interconnection includes protrusions adjacent to two sides of the MTJ and a bottom surface of the protrusions contact the liner directly.

Abstract: A semiconductor device includes a sense amplifier, a first magnetic tunneling junction (MTJ) connected to the sense amplifier at a first distance, a second MTJ connected to the sense amplifier at a second distance, and a third MTJ connected to the sense amplifier at a third distance. Preferably, the first distance is less than the second distance, the second distance is less than the third distance, a critical dimension of the first MTJ is less than a critical dimension of the second MTJ, and the critical dimension of the second MTJ is less than a critical dimension of the third MTJ.

Abstract: A semiconductor device includes a magnetic tunneling junction (MTJ) on a substrate, a first spacer on one side of the of the MTJ, a second spacer on another side of the MTJ, a first metal interconnection on the MTJ, and a liner adjacent to the first spacer, the second spacer, and the first metal interconnection. Preferably, each of a top surface of the MTJ and a bottom surface of the first metal interconnection includes a planar surface and two sidewalls of the first metal interconnection are aligned with two sidewalls of the MTJ.