Abstract: An optical touch apparatus includes a first light source, a second light source, a light guide device, a light reflecting device and an image sensing module. The first light source emits first light beam which travels within the light guide device and is reflective by an object close to or in contact with a surface of the light guide device to become a first image light beam. The first image light beam is reflected by a light reflecting device. The image sensing module receives the first image light beam. The second light source emits a second light beam, wherein when the optical touch apparatus moves on a working surface, the second light beam is reflective by the working surface to form a second image light beam which is received by the same image sensing module.

Abstract: The present invention discloses a MEMS microphone device and its manufacturing method. The MEMS microphone device includes: a substrate including a first cavity; a MEMS device region above the substrate, wherein the MEMS device region includes a metal layer, a via layer, an insulating material region and a second cavity; a mask layer above the MEMS device region; a first lid having at least one opening communicating with the second cavity, the first lid being fixed above the mask layer; and a second lid fixed under the substrate.

Abstract: A noise-cancelled capacitive touch display apparatus includes a display panel and a capacitive touch sensor on or above the display panel. The capacitive touch sensor includes plural sensing lines, plural driving lines, plural first signal lines, plural second signal lines and a noise cancellation line. The sensing lines are parallel with each other and extend along a first direction. The driving lines are parallel with each other and extend along a second direction, wherein the second direction intersects the first direction. Each first signal line is located outside of an outermost driving line. Each second signal line is located outside of an outermost sensing line. The noise cancellation line is a cut-off part of a corresponding first signal line or a corresponding second signal line. The noise cancellation line receives the noise generated from the display panel.

Abstract: A chip package includes: a semiconductor chip having an upper surface and a lower surface opposite to each other, the semiconductor chip including an image sensor circuit; a metal heat conductive layer formed on the lower surface, for conducting or absorbing heat generated by the semiconductor chip; a bond pad formed on the upper surface, for electrically connecting with the image sensor circuit in the semiconductor chip, wherein the metal heat conductive layer conducts or absorbs heat generated by the semiconductor chip, to thereby reduce temperature of the image sensor circuit in the semiconductor chip and improve the performance of the circuit, wherein the metal heat conductive layer entirely covers the lower surface.

Abstract: The present invention discloses a method for outputting a command by detecting a movement of an object, which includes the following steps. First, an image capturing device captures images generated by the movement of the object at different timings by. Next, a motion trajectory is calculated according to the plurality of images. Further next, a corresponding command is outputted according to the motion trajectory. The present invention also provides a system which employs the above-mentioned method.

Abstract: An optical touch apparatus includes a first light source, a second light source, a light guide device, a light reflecting device and an image sensing module. The first light source emits first light beam which travels within the light guide device and is reflective by an object close to or in contact with a surface of the light guide device to become a first image light beam. The first image light beam is reflected by a light reflecting device. The image sensing module receives the first image light beam. The second light source emits a second light beam, wherein when the optical touch apparatus moves on a working surface, the second light beam is reflective by the working surface to form a second image light beam which is received by the same image sensing module.

Abstract: The present invention discloses an image sensor device and a method for making an image sensor device. The image sensor device includes an optical pixel and an electronic circuit. The optical pixel includes: a substrate; an image sensor area formed in the substrate; a masking layer formed above the image sensor area, wherein the masking layer is formed during a process for forming the electronic circuit; and a light passage above the masking layer for increasing light sensing ability of the image sensor area.

Abstract: The present invention discloses a MEMS device with guard ring, and a method for making the MEMS device. The MEMS device comprises a bond pad and a sidewall surrounding and connecting with the bond pad, characterized in that the sidewall forms a guard ring by an etch-resistive material.

Abstract: The present invention discloses a noise-shielded capacitive touch display apparatus, which includes a display panel and a capacitive touch sensor on the capacitive touch panel. The capacitive touch sensor includes plural sensing lines, driving lines and signal lines. The sensing lines are parallel with each other and extend along a first direction. The driving lines are parallel with each other and extend along a second direction, wherein the second direction is orthogonal to the first direction. There is one signal line between every two neighboring driving lines. An electric field wall is formed between each signal line and its neighboring driving line to block a noise generated from the display panel.

Abstract: The present invention discloses a method for outputting a command by detecting a movement of an object, which includes the following steps. First, an image capturing device captures images generated by the movement of the object at different timings by. Next, a motion trajectory is calculated according to the plurality of images. Further next, a corresponding command is outputted according to the motion trajectory. The present invention also provides a system which employs the above-mentioned method.

Abstract: An interactive image system includes a host generating interactive images; a light source generating at least one light beam; and an interactive control device transmitting data to the host and switching between an operation status and an idle status. The interactive control device includes: an image sensor capturing a first picture in the idle status, wherein the first picture has a reference point image formed by the light beam; and a control circuit selecting a pixel area according to the position of the reference point image in the first picture, controlling the image sensor to obtain a second picture according to the pixel area, and comparing a threshold value with the brightness information of at least one pixel in the pixel area of the second picture to confirm whether the interactive control device is still in the idle status.

Abstract: The present invention discloses an optical displacement detection apparatus and an optical displacement detection method. The optical displacement detection apparatus comprises: at least two light sources for projecting light of different spectrums to a surface under detection, respectively; an image capturing device for receiving light reflected from the surface under detection and converting it into electronic signals; and a processing control circuit for calculating displacement according to the electronic signals from the image capturing device, wherein the processing control circuit is capable of switching between the light sources.

Abstract: The present invention discloses a MEMS device with guard ring, and a method for making the MEMS device. The MEMS device comprises a bond pad and a sidewall surrounding and connecting with the bond pad, characterized in that the sidewall forms a guard ring by an etch-resistive material.

Abstract: The present invention discloses a three-dimensional micro-electro-mechanical-system sensor. The sensor includes movable first electrodes, plural movable second electrodes, plural fixed third electrodes, and plural fixed fourth electrodes. The first electrodes and their adjacent third electrodes form at least one first capacitor and at least one second capacitor, and the second electrodes and their adjacent fourth electrodes form at least one third capacitor. The capacitance change of the first capacitor reflects the displacement of the proof mass along a first axis, the capacitance change of the second capacitor reflects the displacement of the proof mass along a second axis, and the capacitance change of the third capacitor reflects the displacement of the proof mass along a third axis. The first, second, and third axes define a three-dimensional coordinate system.

Abstract: The invention provides a MEMS device with enhanced structural strength. The MEMS device includes a plurality of metal layers, including a top metal layer with a plurality of metal segments. The metal segments are individually connected to an adjacent metal layer immediately under the top metal layer through at least one supporting pillar, and there is no dielectric layer between the metal segments and the adjacent metal layer immediately under the top metal layer. The metal layers except the top metal layer are respectively connected to their adjacent metal layers through at least one supporting pillar and a dielectric layer filling in between.

Abstract: This invention provides a MEMS device, including: a mass structure having at least one anchor; at least one flexible structure connected with the mass structure at the at least one anchor; a plurality of top electrodes located above the mass structure and forming a top capacitor circuit with the mass structure; and a plurality of bottom electrodes located under the mass structure and forming a bottom capacitor circuit with the mass structure. The projections of the plural top electrodes on the mass structure along a normal direction of the mass structure are located at opposite sides of the anchor, and the projections of the plural bottom electrodes on the mass structure along a normal direction of the mass structure are located at opposite sides of the anchor. This invention also provides a MEMS compensation structure.

Abstract: The invention provides a micro-electro-mechanical device having differential capacitor of corresponding sizes, which includes a substrate; a top fixed electrode; a bottom fixed electrode; a mass, having a top electrode and a bottom electrode, wherein the top electrodes form a top capacitor with the top fixed electrode and the bottom electrodes form a bottom capacitor with the bottom fixed electrode; a top fixed electrode extension wall having an upper end connected to the top fixed electrode and a lower end connected to the substrate; and a bottom fixed electrode extension wall having a lower end connected to the substrate through the bottom electrode, wherein the bottom fixed electrode extension wall has no upper end connected to the top fixed electrode, and total areas of the top fixed electrode extension wall and the top fixed electrode facing the mass are substantially equal to total areas of the bottom fixed electrode extension wall and the bottom fixed electrode facing the mass.

Abstract: The present invention discloses a sensor device with dark current compensation and control method thereof. The sensor device includes: a sensor circuit, for sensing a physical property or a chemical property to generate an analog sensing signal; a dark current compensation circuit, which is coupled to the sensor circuit, for processing the analog sensing signal and generating an analog compensated signal according to a reference signal; and a convertor circuit, which is coupled to the dark current compensation circuit, for generating a digital sensing signal according to the analog compensated signal.

Abstract: The present invention discloses a noise-shielded capacitive touch device, which includes a first sensor region, a second sensor region and a shielding layer. Each of the first sensor region and the second sensor region includes plural sensing lines and driving lines. The sensing lines are in parallel with each other and extend along a first direction. Each sensing line has an extension portion at its end near the other sensor region. The driving lines are in parallel with each other and extend along a second direction, wherein the second direction intersects the first direction. The extension portions and the shielding layer form an electric field wall to avoid cross interferences between the two sensor regions.

Abstract: A MEMS (Micro-Electro-Mechanical-System) structure preventing stiction, comprising: a substrate; and at least two structural layers above the substrate, wherein at least one of the at least two structural layers is a movable part, and anyone or more of the at least two structural layers is provided with at least one bump to prevent the movable part from sticking to another portion of the MEMS structure.