Abstract: A plating apparatus for electroplating a wafer includes a housing defining a plating chamber for housing a plating solution. A voltage source of the apparatus has a first terminal having a first polarity and a second terminal having a second polarity different than the first polarity. The first terminal is electrically coupled to the wafer. An anode is within the plating chamber, and the second terminal is electrically coupled to the anode. A membrane support is within the plating chamber and over the anode. The membrane support defines apertures, wherein in a first zone of the membrane support a first aperture-area to surface-area ratio is a first ratio, and in a second zone of the membrane support a second aperture-area to surface-area ratio is a second ratio, different than the first ratio.

Abstract: A heating device includes a resonant circuit, a detection unit and a control unit. The resonant circuit includes an inverter circuit and a resonant tank. The inverter circuit provides a resonant tank current and a resonant tank voltage. The resonant tank includes a heating coil, a resonant tank capacitor, a resonant tank equivalent inductor and a resonant tank equivalent resistor. The detection unit calculates an inductance of the resonant tank equivalent inductor according to a capacitance of the resonant tank capacitor, a resonant period and a first expression. The detection unit calculates a resistance of the resonant tank equivalent resistor according to the inductance of the resonant tank equivalent inductor, a time change value, a reference voltage value, a negative peak voltage value and a second expression.

Abstract: A light-guide optical element is provided, including a transparent light-guide body having a first inclined surface and a second inclined surface disposed therein. The transparent light-guide body includes a side surface facing a first direction, and a first surface and a second surface which are adjacent to the side surface and face each other. The first inclined surface extends from the first surface to the second surface. The second inclined surface is located at the other side of the first inclined surface facing the side surface. The second inclined surface extends from the first surface to the second surface. When an input light enters the transparent light-guide body, the input light is partially reflected by the first inclined surface and the second inclined surface to form an output light output from the transparent light-guide body.

Abstract: A head up display device includes a pancake lens and a picture generation unit. The pancake lens includes a half mirror and a reflective polarizer. The half mirror has a light incident surface and a reflective surface. The reflective polarizer is disposed on the reflective surface and combined with the half mirror for forming a reflective space. The picture generation unit is disposed in the direction of the pancake lens opposite to the user's eyes. The picture generation unit generates image light and the image light enters the reflective space from the light incident surface. After the reflection, the image light is directed towards the user's eyes to form a virtual image. The optical path of the virtual image and the image light has a un-axis angle.

Abstract: A light-guide optical element is provided, including a transparent light-guide body having a first inclined surface and a second inclined surface disposed therein. The transparent light-guide body includes a side surface facing a first direction, and a first surface and a second surface which are adjacent to the side surface and face each other. The first inclined surface extends from the first surface to the second surface. The second inclined surface is located at the other side of the first inclined surface facing the side surface. The second inclined surface extends from the first surface to the second surface. When an input light enters the transparent light-guide body, the input light is partially reflected by the first inclined surface and the second inclined surface to form an output light output from the transparent light-guide body.

Abstract: An autofocus head mounted display device is provided, including an imager and an eyeball tracker. The imager includes a display element, an optical element and a controller. An image light is projected to one of the eyeballs of the user by the display element. The convergence or divergence of the image light is adjusted by the optical element through the controller. The image is presented at an imaging position in front of the eyeballs of the user. The eyeball tracker is disposed at the position in front of the user's eyes. Both left eye and right eye rotational angles are detected simultaneously, so as to determine a focus position of the user's eyes. The eyeball tracker is connected to the controller. The optical element is adjusted by comparing the imaging position and the focus position, and the imaging position of the image is moved to the focus position.

Abstract: An ornament holder for a cellphone has a securing member, a connecting member, a cover, an insertion member and a plurality of loops. The cover and the connecting member each has a connector comprising a column, a positioning portion and an engaging portion, and connecting member and the securing member each comprise a concave portion configured to engage with a connector on another of the cover and the connecting member, each concave portion comprising a positioning slot and an engaging slot; the plurality of the loops are used for connecting the securing member, the connecting member and the cover to the insertion member.

Abstract: A projection system including an illumination unit, a polarization conversion unit, a light valve, a projection lens, and a polarizing beam split (PBS) element is provided. The polarization conversion unit includes a V-shaped PBS element, a wave plate, and two reflective surfaces. The V-shaped PBS element includes a first PBS portion and a second PBS portion. The first PBS portion is adapted to be passed through by a first partial beam with a first polarization direction and reflect a second partial beam with a second polarization direction. The second PBS portion is adapted to be passed through by a third partial beam with the first polarization direction and reflect a fourth partial beam with the second polarization direction. The wave plate is disposed in the transmission paths of the first partial beam and the third partial beam. The reflective surfaces are located at opposite sides of the V-shaped PBS element.

Abstract: An ornament holder for a cellphone has a securing member, a connecting member, a cover, an insertion member and a plurality of loops. The cover and the connecting member each has a connector comprising a column, a positioning portion and an engaging portion, and connecting member and the securing member each comprise a concave portion configured to engage with a connector on another of the cover and the connecting member, each concave portion comprising a positioning slot and an engaging slot; the plurality of the loops are used for connecting the securing member, the connecting member and the cover to the insertion member.

Abstract: The invention provides an image processing method. An image is provided, and the image is divided into a first subimage, a second subimage, a third subimage, and a fourth subimage according to a decomposing method. Next, the first, second, third, and fourth subimages are processed to generate a first subframe, a second subframe, a third subframe, and a fourth subframe. Finally, the first, second, third, and fourth subframes are combined as a frame according to a composing method corresponding to the decomposing method.

Abstract: An LED package including a carrier, a LED chip, and a lens is provided. The LED chip is disposed on the carrier. The lens is disposed on the carrier and above the LED chip. A gap is formed between the LED chip and the lens. The lens has a first surface, a second surface, a protrusion, and at least one protruding ring. The first surface faces the LED chip. The second surface is opposite to the first surface. The protrusion is located at the first surface. The protruding ring is located at the first surface and surrounds the protrusion.

Abstract: A hybrid PBS architecture includes a first prism, a second prism, and a beam splitting coating layer. The first prism is made of a first material, and the second prism is made of a second material being different from the first material. The beam splitting coating layer is sandwiched between the first prism and the second prism. The first material is a glass material and the second material is a plastic material.

Abstract: An LED package including a carrier, a LED chip, and a lens is provided. The LED chip is disposed on the carrier. The lens is disposed on the carrier and above the LED chip. A gap is formed between the LED chip and the lens. The lens has a first surface, a second surface, a protrusion, and at least one protruding ring. The first surface faces the LED chip. The second surface is opposite to the first surface. The protrusion is located at the first surface. The protruding ring is located at the first surface and surrounds the protrusion.

Abstract: An optical system, adapted for providing an image beam, including a light source, a beam splitting/combining device, and a light valve is provided. The light source provides an illumination beam. The beam splitting/combining device includes a first polarizing beam splitter (PBS), a second PBS, a quarter wave plate (QWP), and a reflector. The first PBS reflects a first illumination beam of the illumination beam from the light source and the second illumination beam from the light source passes through the first PBS. The second illumination beam from the first PBS passes through the second PBS and the QWP, reflected by the reflector, passes through the QWP, and reflected by the second PBS. The light valve converts the first illumination beam from the first PBS and the second illumination beam reflected by the second PBS into the image beam.

Abstract: An optical engine including a light source, a polarizing beam splitter (PBS), a multi-focus lens, and a light valve is provided. The light source is capable of emitting an illumination beam. The PBS is disposed on the light path of the illumination beam. The multi-focus lens is disposed on the light path of the illumination beam between the light source and the PBS, and has a plurality of refractive portions. The refractive portions have different effective focal lengths from one another. The PBS allows at least a part of the illumination beam with a first polarization direction to travel to the light valve. The light valve is capable of reflecting the part of the illumination beam and converting the part of the illumination beam into an image beam with a second polarization direction. The image beam from the light valve travels to the PBS.

Abstract: A projection system including an illumination unit, a polarization conversion unit, a light valve, a projection lens, and a polarizing beam split (PBS) element is provided. The polarization conversion unit includes a V-shaped PBS element, a wave plate, and two reflective surfaces. The V-shaped PBS element includes a first PBS portion and a second PBS portion. The first PBS portion is adapted to be passed through by a first partial beam with a first polarization direction and reflect a second partial beam with a second polarization direction. The second PBS portion is adapted to be passed through by a third partial beam with the first polarization direction and reflect a fourth partial beam with the second polarization direction. The wave plate is disposed in the transmission paths of the first partial beam and the third partial beam. The reflective surfaces are located at opposite sides of the V-shaped PBS element.

Abstract: An optical system, adapted for providing an image beam, including a light source, a beam splitting/combining device, and a light valve is provided. The light source provides an illumination beam. The beam splitting/combining device includes a first polarizing beam splitter (PBS), a second PBS, a quarter wave plate (QWP), and a reflector. The first PBS reflects a first illumination beam of the illumination beam from the light source and the second illumination beam from the light source passes through the first PBS. The second illumination beam from the first PBS passes through the second PBS and the QWP, reflected by the reflector, passes through the QWP, and reflected by the second PBS. The light valve converts the first illumination beam from the first PBS and the second illumination beam reflected by the second PBS into the image beam.

Abstract: The invention provides an image processing method. An image is provided, and the image is divided into a first subimage, a second subimage, a third subimage, and a fourth subimage according to a decomposing method. Next, the first, second, third, and fourth subimages are processed to generate a first subframe, a second subframe, a third subframe, and a fourth subframe. Finally, the first, second, third, and fourth subframes are combined as a frame according to a composing method corresponding to the decomposing method.

Abstract: An illumination device and a projection system using the same are provided. The illumination device comprises a first light source module, a second light source module and a dichroic element. The first light source module comprises a first carrying board and a plurality of first light-emitting units disposed thereon for providing a first light beam. The second light source module comprises a second carrying board and a plurality of second and third light-emitting units disposed thereon for providing a second light beam. The dichroic element has a first side, a second side and a light output side. The first and the second light source modules are respectively optically aligned with the first side and the second side of the dichroic element, wherein the dichroic element provides a third light beam to the light output side by chromatically combining the first light beam and the second light beam.

Abstract: A method and system for processing online/offline multimedia data are disclosed. The system comprises a remote mainframe, a local host and a portable apparatus. When the portable apparatus is electrically connected with the remote mainframe and the local host, the portable apparatus can immediately exchange multimedia data exchange with the remote mainframe and the local host. When the portable apparatus is not electrically connected with the remote mainframe and the local host, the portable apparatus can independently process the multimedia data previously received from the remote mainframe and the local host; also the portable apparatus can update the multimedia data with the remote mainframe and the local host when the portable apparatus is electrically reconnected with the remote mainframe and the local host. With the system configuration, the present invention features online/offline multimedia-data processing capabilities.