Abstract: A semiconductor optoelectronic device comprises a growth substrate; a semiconductor epitaxial stack formed on the growth substrate comprising a sacrificial layer with electrical conductivity formed on the growth substrate; a first semiconductor material layer having a first electrical conductivity formed on the sacrificial layer, and a second semiconductor material layer having a second electrical conductivity formed on the first semiconductor material layer; and a first electrode directly formed on the growth substrate and electrically connected to the semiconductor epitaxial stack via the growth substrate.

Abstract: The present invention provides a motor driving circuit to reduce switching loss, which is applied to a motor. The motor driving circuit comprises a motor driving unit, a push-pull output unit, and a control unit. The control unit is coupled to the motor driving unit and the push-pull output unit. The control unit transmits a driving voltage to drive the push-pull output unit such that the push-pull output unit generates amplified currents which are transmitted to the motor driving unit. The motor driving unit reduces charge/discharge periods thereof based on the received amplified currents.

Abstract: A photographing optical lens assembly includes, in order from object side to image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element has positive refractive power. The second lens element with negative refractive power has an object-side surface being convex in a paraxial region and an image-side surface being concave in a paraxial region. The third and fourth lens elements have refractive power. The fifth lens element with refractive power has an object-side surface being convex in a paraxial region. The sixth lens element with negative refractive power has an image-side surface being concave in a paraxial region, and an object-side surface and the image-side surface of the sixth lens element are aspheric. The image-side surface of the sixth lens element has at least one inflection point.

Abstract: An optical imaging system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with refractive power has an object-side surface being convex in a paraxial region. The second lens element with positive refractive power has an image-side surface being convex in a paraxial region. The third lens element with negative refractive power has an object-side surface being concave in a paraxial region. The fourth lens element with positive refractive power has an object-side surface being concave and an image-side surface being convex in a paraxial region. The fifth lens element with negative refractive power has an image-side surface being concave in a paraxial region, wherein the image-side surface thereof has at least one convex shape in an off-axis region.

Abstract: An optical image lens system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has a convex object-side surface and a concave image-side surface. The second lens element, the third lens element, and the fourth lens element have refractive power. The fifth lens element with positive refractive power is made of plastic, and has a convex object-side surface and a concave image-side surface, wherein the surfaces thereof are aspheric. The sixth lens element with refractive power is made of plastic, and has a concave image-side surface, wherein the image-side surface thereof changes from concave at a paraxial region to convex at a peripheral region, and the surfaces thereof are aspheric.

Abstract: A light-emitting device is disclosed and comprises: a semiconductor stack; a transparent substrate comprising a first material; a bonding layer which bonds the semiconductor stack and the transparent substrate; and a medium in the transparent substrate, the medium comprising a second material different from the first material.

Abstract: An image capturing lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element has refractive power. The third lens element has refractive power, and an object-side surface and an image-side surface thereof being aspheric. The fourth lens element has negative refractive power, and an object-side surface and an image-side surface thereof are aspheric. The fifth lens element with negative refractive power has a concave object-side surface, and the object-side surface and an image-side surface thereof are aspheric.

Abstract: An optical image capturing system comprising, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The first lens element with negative refractive power has a concave image-side surface. The second lens element, the third lens element and the fourth lens element have refractive power. The fifth lens element has refractive power. The sixth lens element with refractive power has an image-side surface being concave in a paraxial region and includes at least one convex shape in an off-axial region, wherein the surfaces thereof are aspheric. The seventh lens element with refractive power has an image-side surface being concave in a paraxial region and includes at least one convex shape in an off-axial region, wherein the surfaces thereof are aspheric.

Abstract: A signal control system for a fan motor comprises an input end, a load driving unit, a first signal conversion unit, a second signal conversion unit, and an amplifying driving unit. A rotation speed signal is transmitted from the input end to the load driving unit. The first and the second signal conversion units are electrically connected to the load driving unit and receive the rotation speed signal. The amplifying driving unit is electrically connected to the first and the second signal conversion units to generate an operation signal. Thus, the received rotation speed signal is converted to the operation signal through the signal control system for the fan motor, achieving the effects of cost reduction, simplification, and convenience.

Abstract: A light-emitting structure, comprising a substrate; a first unit and a second unit, separately formed on the substrate; a trench between the first unit and the second unit, comprising a bottom portion exposing the substrate; an insulating layer arranged on the trench, conformably covering the bottom portion and sidewalls of the first unit and the second unit; and an electrical connection, conformably covering the insulating layer, electrically connecting the first unit and the second unit and comprising a bridging portion and a joining portion extending from the bridging portion, wherein the bridging portion is wider than the joining portion and the bridging portion covers the trench, and the joining portion covers the first unit and the second unit.

Abstract: An optical imaging system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with refractive power has an object-side surface being convex in a paraxial region. The second lens element with positive refractive power has an image-side surface being convex in a paraxial region. The third lens element with negative refractive power has an object-side surface being concave in a paraxial region. The fourth lens element with positive refractive power has an object-side surface being concave and an image-side surface being convex in a paraxial region. The fifth lens element with negative refractive power has an image-side surface being concave in a paraxial region, wherein the image-side surface thereof has at least one convex shape in an off-axis region.

Abstract: The present disclosure is to provide an optoelectronic device. The optoelectronic device comprises a heat dispersion substrate; an insulative protection layer on the heat dispersion substrate, wherein the insulative protection layer comprises AlInGaN series material; and an optoelectronic unit comprising an epitaxial structure comprising multiple layers on the insulative protection layer, wherein at least one layer of the epitaxial structure comprises III-V group material devoid of nitride.

Abstract: A card edge connector includes an elongated insulative housing extending along a left-to-right direction, a plurality of conductive terminals retained in the insulative housing and an ejector retained at one end of the insulative housing. The insulative housing defines a central slot recessed from an upper surface thereof for receiving a memory module. The ejector defines a base portion and a pair of gripping portions extending upwardly from the base portion, two gripping portions have an accommodating slot located therebetween for receiving the memory module and a lump portion located in the accommodating slot. The lump portion defines an elastic arm projecting into the accommodating slot for locking the memory module, When the memory module is pulled out in a hard-interference manner, the memory module will press upwardly against the elastic arm so that the elastic arm is elastically deformed to release the memory module.

Abstract: An optical imaging system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has an object-side surface being convex in paraxial region. The second lens element has refractive power. The third lens element has positive refractive power. The fourth lens element has refractive power. The fifth lens element with refractive power has an image-side surface being concave in a paraxial region, wherein an object-side surface and the image-side surface are both aspheric. The sixth lens element with refractive power has an image-side surface being concave in a paraxial region, wherein an object-side surface and the image-side surface are both aspheric, and the image-side surface has at least one convex shape in an off-axis region.

Abstract: An optical imaging lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The third lens element has refractive power. The fourth lens element with positive refractive power has an object-side surface being convex and an image-side surface being convex in a paraxial region thereof. The fifth lens element with negative refractive power has an object-side surface being concave and an image-side surface being concave in a paraxial region thereof, wherein the image-side surface thereof has at least one convex shape in an off-axis region thereof.

Abstract: A signal control system for a fan motor comprises an input end, a load driving unit, a first signal conversion unit, a second signal conversion unit, and an amplifying driving unit. A rotation speed signal is transmitted from the input end to the load driving unit. The first and the second signal conversion units are electrically connected to the load driving unit and receive the rotation speed signal. The amplifying driving unit is electrically connected to the first and the second signal conversion units to generate an operation signal. Thus, the received rotation speed signal is converted to the operation signal through the signal control system for the fan motor, achieving the effects of cost reduction, simplification, and convenience.

Abstract: The present application discloses a method for making a light-emitting device comprising steps of: providing a light-emitting unit comprising an epitaxial structure; providing a protection layer; connecting the light-emitting unit with the protection layer by a second connecting layer; providing a heat dispersion substrate; and connecting the heat dispersion substrate with the protection layer by a first connecting layer.

Abstract: A light-emitting device comprises a substrate having a top surface and a plurality of patterned units protruding from the top surface; and a light-emitting stack formed on the substrate and having an active layer with a first surface substantially parallel to the top surface; wherein one of the plurality of patterned units has a vertex, a first inclined surface, and a second inclined surface, and the first inclined surface and the second inclined surface commonly join at the vertex from a cross-sectional view of the light-emitting device.

Abstract: A photographing optical lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element with negative refractive power has a convex object-side surface and a concave image-side surface. The third lens element has refractive power. The fourth lens element has refractive power, and an object-side surface and an image-side surface thereof are aspheric. The fifth lens element with negative refractive power has a concave image-side surface, wherein an object-side surface and the image-side surface thereof are aspheric, and at least one of the object-side surface and the image-side surface thereof has at least one inflection point.

Abstract: A photoelectronic element includes an electrically insulative substrate, an electrically conductive substrate, an intermediate layer and a semiconductor stacked layer. The electrically insulative substrate has a top surface. The electrically conductive substrate has a lower portion, and an upper portion surrounded by the electrically insulative substrate and coplanar with the top surface. The intermediate layer has a first portion formed directly under the electrically insulative substrate and above the electrically conductive substrate, a second portion and a bent portion formed between the first portion and the second portion. The semiconductor stacked layer has an light-emitting active layer with a high band gap, disposed on the electrically insulative substrate and the upper portion.