Abstract: A micro-electro-mechanical system acoustic sensor, a micro-electro-mechanical system package structure and a method for manufacturing the same are provided. The micro-electro-mechanical system acoustic sensor comprises a substrate, a cantilever structure and a diaphragm sensor. The cantilever structure is formed on the substrate, and comprises a fixed end and a free cantilever portion extended from the fixed end. The free cantilever portion comprises a free end. The free end and the fixed end are respectively at opposing sides of the free cantilever portion. The free cantilever portion is capable of generating a vibration wave in an empty space. The diaphragm sensor is formed on the substrate, and comprises a diaphragm film, a back plate, and at least one electrical contact point. The back plate and the diaphragm film have a first empty gap there between. The empty space and the first empty gap communicate to each other.

Abstract: A MEMS acoustic sensor includes a substrate, a back plate, a diaphragm, a dielectric layer and a connecting portion. The diaphragm is disposed between the substrate and the back plate and includes a vibration portion. The dielectric layer is formed between the substrate and the diaphragm and has a cavity corresponding to the vibrating portion. The connecting portion is located in the cavity and connects the vibrating portion and the substrate.

Abstract: A MEM vibration sensor includes a substrate including a first supporting-portion and a cavity and a sensing-device disposed on the substrate. The sensing-device includes a second supporting-portion correspondingly disposed over and connected with the first supporting-portion, a first sensing-unit disposed on the cavity, a first mass-block disposed on the cavity, a second sensing-unit disposed on the first sensing-unit and the first mass-block, a first metal pad disposed on the third supporting-portion and electrically coupled with the first sensing-unit, and a second metal pad disposed on the third supporting-portion and electrically coupled with the second sensing-unit.

Abstract: A MEMS acoustic sensor includes a substrate, a back plate, a diaphragm, a dielectric layer and a connecting portion. The diaphragm is disposed between the substrate and the back plate and includes a vibration portion. The dielectric layer is formed between the substrate and the diaphragm and has a cavity corresponding to the vibrating portion. The connecting portion is located in the cavity and connects the vibrating portion and the substrate.

Abstract: A micro-electro-mechanical system acoustic sensor, a micro-electro-mechanical system package structure and a method for manufacturing the same are provided. The micro-electro-mechanical system acoustic sensor comprises a substrate, a cantilever structure and a diaphragm sensor. The cantilever structure is formed on the substrate, and comprises a fixed end and a free cantilever portion extended from the fixed end. The free cantilever portion comprises a free end. The free end and the fixed end are respectively at opposing sides of the free cantilever portion. The free cantilever portion is capable of generating a vibration wave in an empty space. The diaphragm sensor is formed on the substrate, and comprises a diaphragm film, a back plate, and at least one electrical contact point. The back plate and the diaphragm film have a first empty gap there between. The empty space and the first empty gap communicate to each other.

Abstract: A liquid lens chip, a driving apparatus and a driving method thereof are provided. The driving apparatus includes a carrier and a driver. The carrier is configured to carry a liquid lens and has a plurality of electrode pairs in contact with the liquid lens. The driver provides a periodic first driving signal to a selected electrode pair of the electrode pairs during a first time period according to a scan control signal to change a shape of the liquid lens. The driver further provides a periodic second driving signal to an opposite electrode pair opposite to the selected electrode pair during a second time period to recover the shape of the liquid lens which has been changed during the first time period.

Abstract: A liquid lens chip, a driving apparatus and a driving method thereof are provided. The driving apparatus includes a carrier and a driver. The carrier is configured to carry a liquid lens and has a plurality of electrode pairs in contact with the liquid lens. The driver provides a periodic first driving signal to a selected electrode pair of the electrode pairs during a first time period according to a scan control signal to change a shape of the liquid lens. The driver further provides a periodic second driving signal to an opposite electrode pair opposite to the selected electrode pair during a second time period to recover the shape of the liquid lens which has been changed during the first time period.

Abstract: A method of manufacturing light emitting diode packaging lens and packages made by using the method are disclosed in the present invention. By using electrophoretic deposition, one or more layers of phosphors are coated onto one surface of a cup which has a curved portion. The cup is used for the packaging lens. Thickness of phosphor layer can be controlled and distribution of phosphor particles is uniform. Therefore, light emitting diode packages with the lens can be a uniform light source.

Abstract: A method of manufacturing light emitting diode packaging lens and packages made by using the method are disclosed in the present invention. By using electrophoretic deposition, one or more layers of phosphors are coated onto one surface of a cup which has a curved portion. The cup is used for the packaging lens. Thickness of phosphor layer can be controlled and distribution of phosphor particles is uniform. Therefore, light emitting diode packages with the lens can be a uniform light source.

Abstract: A display device includes a display layer, a control unit, a color sensor and a light guide plate (LGP) arranged on the display layer. A light emitting module includes three light emitters configured for emitting red, green and blue light, into the LGP through the lateral surface. The control unit determines whether the detected intensities of the red, green and blue light components in the ambient light are in a predetermined proportion, and to turn on the corresponding light emitters to compensate the red, green or blue light so as to maintain the intensities of the red, green and blue light components in the ambient light to be in the predetermined proportion.

Abstract: A touch display device includes an interferometric modulator display panel and a processor. The display panel includes a plurality of pixel units. The pixel units each includes a fixed mirror including a reflective surface, at least one spacer, a transmovable mirror and at least one sensor. The at least one spacer is arranged between the fixed mirror and the movable mirror, the movable mirror is spaced an adjustable distance from the fixed mirror, and the movable mirror reflects a first portion of incident light and to allow a second portion of the incident light to pass therethrough. The at least one pressure sensor is fixed on the movable mirror and senses depression of the movable mirror caused by a touch thereon. The processor determines the touch position according to the generating signals from the sensors.

Abstract: A display device includes a display layer and a light guide plate (LGP) arranged on the display layer. A transparent plate is arranged between the LGP and the display layer, and the transparent plate houses a array of IR sensors. An IR source is arranged on the lateral surface of the LGP, and a scanning mirror is arranged on the lateral surface of the LGP. The IR sensors sense the IR light beams and determine whether a strength of the sensed IR light beams is decreased to below a predetermined threshold value, caused by a touch by a user, on the transparent plate at a location of said IR sensor, and send a signal associated with the touch to the control unit, the control unit is configured to receive the signal and determine the touch point according to the location of said IR sensor.

Abstract: A display device includes a display layer and a light guide plate (LGP) arranged on the display layer. The LGP includes a first surface facing away from the display layer, an opposite second surface, and a lateral surface between the first and second surfaces, the lateral surface having a light incident portion. A light source and a scanning mirror are arranged on the lateral surface of the LGP. The light source configured to emit a light beam toward the scanning mirror, the scanning mirror being reciprocally rotatable about a rotating axis at a given frequency, the scanning mirror configured to reflect and direct the light beam from the light source to enter into the LGP through the light incident portion.

Abstract: A microminiaturized projection module for projecting an image onto an object is disclosed in the present invention. The module includes a number of light units each for providing red, green, and blue beams; an image processing unit for receiving the image, dividing the image into n×m image signals, and transforming each of the image signals into a modulating signal and a direction signal, where n and in are integrals not less than 2, respectively; a number of modulation units for modulating the beams from one light unit according to the modulating signal received from the image processing unit and sending out the modulated beams simultaneously; and an array of n×m mirrors for projecting the modulated beams to form the image onto the object according to the direction signal received from the image processing unit. The invention has advantages that can reduce modulation speed, undergo slight shock and be free from raster pinch effect.

Abstract: An edge type backlighting module is disclosed in the present invention. The edge type backlighting module includes at least one light source array for providing light beams; at least one reflecting mirror, rotating within a specified angle, for reflecting the light beams; and a light adjusting medium for adjusting outgoing directions of the reflected light beams. It further has at least one infrared sensor for detecting light beams reflected from a surface of the light adjusting medium when a user touches the surface and generating a signal representing a touch location.

Abstract: A light emitting diode assembly is disclosed in the present invention. The light emitting diode assembly has a substrate and several light emitting diode units. It can also include several light emitting diode units fabricated on cavities formed in the substrate. Any light emitting diode unit is composed of a light emitting diode chip covered with a phosphor layer for providing light beams, and a reflecting unit installed or formed on the substrate, coated with a reflective film, surrounding the light emitting diode chip for reflecting the light beams emitted from the light emitting diode chip, and directing the light beams upward. The light emitting diode unit further includes a light condenser provided above the light emitting diode chip for guiding the light beams upward. The assembly can collect all light beams emitted laterally. Hence, lighting efficiency for the light emitting diode assembly can be improved.

Abstract: A light emitting diode device is disclosed in the present invention. The device includes a substrate, an integrated passive device, at least four rectifying diodes and several light emitting diodes. The rectifying diodes form a bridge rectifier to rectify an external alternating current (AC) inputted into a direct current so that the light emitting diodes can lighten. Furthermore, the light emitting diode device has a Zener diode, formed on the substrate and connected with the integrated passive device for regulating the direct current. It can also have a varistor, connected with the Zener diode in parallel, for protecting the light emitting diode device from surges.

Abstract: A microminiaturized projection module for projecting an image onto an object is disclosed in the present invention. The module includes a number of light units each for providing red, green, and blue beams; an image processing unit for receiving the image, dividing the image into n×m image signals, and transforming each of the image signals into a modulating signal and a direction signal, where n and in are integrals not less than 2, respectively; a number of modulation units for modulating the beams from one light unit according to the modulating signal received from the image processing unit and sending out the modulated beams simultaneously; and an array of n×m mirrors for projecting the modulated beams to form the image onto the object according to the direction signal received from the image processing unit. The invention has advantages that can reduce modulation speed, undergo slight shock and be free from raster pinch effect.

Abstract: A torsional MEMS device is disclosed. The torsional MEMS device includes a support structure, a platform, and at least two hinges, which connects the platform to the support structure. The platform has an active area and a non-active area. A plurality of sacrificial elements is disposed in the non-active area. If the resonant frequency of the torsional MEMS device is less than a predetermined standard resonant frequency of the torsional MEMS device, at least one sacrificial element is removed to reduce the total mass of the torsional MEMS device, and so as to increase the resonant frequency of the torsional MEMS device.

Abstract: A color tunable light emitting diode is disclosed in the present invention. At least two light emitting chip groups each has a number of light emitting chips mixed with at least one phosphor to produce light with a specific correlated color temperature. By supplying tunable currents to the light emitting chip groups, properly arranging the light emitting chips and providing a suitable substrate, the color tunable light emitting diode can be achieved. The present invention provides a simple and workable method to manufacture tunable light emitting diodes which fulfill the requirement of compact design of modern electronic products.