Abstract: A fingerprint identification device and a method for manufacturing the fingerprint identification device are provided. The fingerprint identification device includes a solder ball array, a re-distribution layer, an image sensing integrated circuit (IC), a light emitting circuit, a photic layer and a molding material. The re-distribution layer disposed on the solder ball array is electrically connected to a plurality of solder balls. The image sensing IC includes a plurality of through silicon vias (TSVs), and the TSVs are correspondingly electrically connected to the solder balls, respectively, through the re-distribution layer. The light emitting circuit is disposed on one side of the image sensing IC, and electrically connected to the image sensing IC through the re-distribution layer. The image sensing IC controls the light emitting circuit. The photic layer is disposed on the image sensing IC. The molding material encloses the image sensing IC.

Abstract: An exposure time determination method for image sensing operation includes: providing a first stage exposure condition which includes a first exposure time; sensing an image according to the first stage exposure condition to generate a first histogram which has a first histogram brightness maximum, a first histogram brightness minimum, and a first histogram width; increasing or decreasing the first exposure time to a second exposure time as a second stage exposure condition, and sensing the image according to the second stage exposure condition to generate a second histogram which has a second histogram brightness maximum, a second histogram brightness minimum, and a second histogram width; comparing the first histogram width with the second histogram width to generate a comparison result, and determining a third exposure time to be a third stage exposure condition according to the comparison result; and sensing the image according to the third stage exposure condition.

Abstract: A fingerprint detection apparatus, a mobile device using the same and a manufacturing method thereof are provided. The fingerprint detection apparatus comprises an image sensing integrated circuit and a spatial filter disposed on the image sensing integrated circuit. The spatial filter has adjacent light tunnels for restricting an incident angle of light to the image sensing integrated circuit to prevent scattered light from entering the image sensing integrated circuit.

Abstract: An optical sensing module is configured to sense a fingerprint of a finger. The optical sensing module includes an image sensor, a light transmissive layer, and an image selecting layer. The light transmissive layer is disposed on the image sensor, and the image selecting layer is disposed on the light transmissive layer. When the finger touches a side of the optical sensing module adjacent to the image selecting layer, air in valleys of the fingerprint contacts the optical sensing module, so that the image selecting layer has a first transmittance for light from the valleys; ridge of the fingerprint contact the optical sensing module, so that the image selecting layer has a second transmittance for light from the ridges. The first transmittance is not equal to the second transmittance. A fingerprint sensing device is also provided.

Abstract: The present invention provides an add-on auxiliary device for assisting in generating three-dimensional information. The portable electronic device includes a first image sensor and a processing circuit. The first image sensor captures first two-dimensional information of an object. The processing circuit is coupled to the first image sensor, for processing the first two-dimensional information. The add-on auxiliary device includes at least one second image sensor and a transmission line. The second image sensor captures second two-dimensional information of the object. The second two-dimensional information is transmitted to the processing circuit via the transmission line, whereby the processing circuit generates three-dimensional information of the object according to the first two-dimensional information and the second two-dimensional information. Or, the processing circuit generates three-dimensional information of the object according to plural second two-dimensional information.

Abstract: The present invention discloses a method for controlling flash timing of an extension flash module cooperating with a mobile device to provide supplemental light. The method includes: detecting a specific event before a flashable time period, wherein the flashable time is a period from the time at which a last photo sensor row of a specific frame begins exposure to the time at which a first photo sensor row in the specific frame ends exposure, wherein the time period from when the specific event occurs to a flashable time in the flashable time period has a fixed length of time; and triggering a flash instruction after a delay time from when the specific event occurs, such that the flash timing of the extension flash module is in the flashable time period.

Abstract: A method and a system for achieving communication between a mobile device and an electronic device are disclosed. The system includes a mobile device, having a lighting unit, which modulates light beams therefrom with a message signal by a communicating mode; a light beam receiver, connected to or embedded in an electronic device, for receiving the modulated light beams and transforming the modulated light beams into an electric signal; and a demodulator, equipped in the electronic device, for demodulating the electric signal to get the message signal. Light beams are used as media to transmit signal from the mobile device to the electronic device.

Abstract: An extension flash module is provided in the present invention. The extension flash module adopts xenon flash light and is for attaching on the headphone jack of a mobile device. When the extension flash module operates, the voltage output from the headphone connector is boosted to provide a high voltage to the extension flash module. When the high voltage is charged to a rate voltage, the extension flash module sends a charging complete signal to the mobile device through the microphone terminal of the headphone connector. When shutter instruction is performed, the mobile device triggers the extension flash module to flash.

Abstract: The present invention discloses a method for controlling flash timing of an extension flash module cooperating with a mobile device to provide supplemental light. The method includes: detecting a specific event before a flashable time period, wherein the flashable time is a period from the time at which a last photo sensor row of a specific frame begins exposure to the time at which a first photo sensor row in the specific frame ends exposure, wherein the time period from when the specific event occurs to a flashable time in the flashable time period has a fixed length of time; and triggering a flash instruction after a delay time from when the specific event occurs, such that the flash timing of the extension flash module is in the flashable time period.

Abstract: The present invention provides a method for controlling flash timing of an extension flash module cooperating with a mobile device. The method includes: detecting a specific event, wherein a time period from when the specific event occurs to the start of an exposure of the first row of a photo sensor is a constant; determining whether there is one single flashable time period wherein one flash is receivable by every row of the photo sensor; when there is such a single flashable time period, conducting one single flash after a delay time from the specific event; and when there is no such single flashable time period, conducting a first flash after a delay time from the specific event, and conducting a second flash after a delay time from the first flash.