Egis Technology Inc.

Igistec Co., Ltd.

Google Inc.

Shenzhen Goodix Technology Co., Ltd.

Other

Chung-Yi Wang

Yu-Hsuan Lin

Yu-Kuan Lin

Jakob David Uszkoreit

Kirill Buryak

Trausti T Kristjansson

Yusuke Konishi

Ming-Yuan Cheng

Joshua James Estelle

Tang-Hung Po

John Huang

Hung-ying Tyan

Meng-Ta Yang

Ya-Nan Wen

Ching-Ho Hung

Tzu-Yang Peng

Sung-Hua Chen

Yao-Li Huang

Zhe-Wei Kuo

Hsueh-Fang Yeh

Hsien-Hsiang Chiu

An electronic device with fingerprint sensing function including a fingerprint sensing array, multiple fingerprint sensing signal readout lines, multiple touch driving lines, a touch driving circuit, and a read circuit is provided. The fingerprint sensing array includes multiple fingerprint sensing units arranged in array. The fingerprint sensing signal readout lines are respectively coupled to a column of fingerprint sensing units of the fingerprint sensing array. The touch driving lines are respectively interleaved with the fingerprint sensing signal readout lines. The touch driving circuit is coupled to the touch driving lines, and provides multiple touch driving signals to the touch driving lines. The read circuit is coupled to the fingerprint sensing signal readout lines. In response to the touch driving lines outputting the touch driving signals, the read circuit determines a touch position of a touch object based on multiple read signals output by the fingerprint sensing signal readout lines.

Electronic device with fingerprint sensing function

A capacitive fingerprint sensing device is provided. A sensing pixel unit includes a capacitor, a reset circuit, and a sensing capacitor. The reset circuit provides a reset voltage during a reset period to reset a voltage on the capacitor and provides an adjustment current during a sensing period to adjust a sense voltage generated on a common junction of the capacitor and the reset circuit.

Capacitive fingerprint sensing device

A driving apparatus for a display panel is provided. The driving apparatus for the display panel is configured on a film by means of a Chip-on-Film (COF) package. A selection circuit receives multiple driving voltages. A control circuit is coupled to the selection circuit and controls the selection circuit to output one of the multiple driving voltages, so as to drive the display panel.

Driving apparatus for display panel having selection circuit for outputting a plurality of driving voltages

A fingerprint sensing device and an operation method thereof are provided. The fingerprint sensing device includes a driver integrated chip and a fingerprint sensor. The driver integrated chip is coupled to a host processor. The fingerprint sensor is coupled to the driver integrated chip and the host processor. The fingerprint sensor obtains a fingerprint image during a period when the host processor is in the sleep mode. The driver integrated chip performs a fingerprint verification on the fingerprint image, and the driver integrated chip determines to wake up the host processor according to whether the fingerprint image passes the fingerprint verification.

Fingerprint sensing device and operation method thereof

A fingerprint sensing module including an image sensor, a microlens array and a light-shielding layer is provided. The image sensor has multiple pixels. Each of the pixels has multiple light-sensing regions physically separated. Each of the light-sensing regions is adapted to receive an image beam coming from a fingerprint of user. The microlens array is disposed above the image sensor. The microlens array includes multiple microlens. A focus region of each of the microlens covers a portion of the light-sensing regions. The light-shielding layer is disposed between the image sensor and the microlens array. The light-shielding layer has multiple openings, and the positions of the openings are corresponded to the positions of the pixels.

Fingerprint sensing module

A calibration circuit configured to calibrate a signal of a sensing unit comprises: an amplifier, a first impedance element and a second impedance element. The amplifier has a first input terminal, a second input terminal and an output terminal. The first input terminal is coupled to a first terminal of the sensing unit, the second input terminal is coupled to a reference voltage, and the output terminal is feedback to the first input terminal and outputs the readout signal. A first terminal of the first impedance element is coupled to the first input terminal of the amplifier, and a second terminal of the first impedance element is coupled to a calibration voltage. A first terminal of the second impedance element is coupled to the first terminal of the first impedance element, and a second terminal of the second impedance element is coupled to the output terminal of the amplifier.

Calibration circuit for use in sensor and related sensor thereof

The invention provides a fingerprint sensing device. A control circuit controls a part of point light sources to irradiate a fingerprint of a user. Reflected light generated by using the plurality of point light sources to irradiate the fingerprint of the user forms a light-emitted pattern including a plurality of reflected light patterns on a sensing layer, wherein each of the reflected light patterns is provided by a corresponding point light source, and each of the sensing units senses the reflected light patterns corresponding to at least two point light sources.

Fingerprint sensing device

The invention provides a fingerprint sensor including a sensing array. The sensing array includes a plurality of sensing units to form a plurality of sensing regions arranged in an array. Each of the plurality of sensing regions includes at least one column of sensing units. A first part of the plurality of sensing regions receives a power signal to perform fingerprint sensing. A second part of the plurality of sensing regions does not receive a power signal. Therefore, the fingerprint sensor of the invention can provide a fast and energy-saving large-area fingerprint sensing effect.

Fingerprint sensor

A full-screen electronic device with a fingerprint sensing function and a fingerprint sensing method are provided. The full-screen electronic device includes a panel module, a plurality of fingerprint sensors and a control unit. The plurality of fingerprint sensors are aligned with the panel module and distributed into a plurality of scan regions in an array. The fingerprint sensing method includes the following steps. Firstly, a concerned information about a concerned position of the display panel is generated. After the control unit receives the concerned information, the control unit defines the scan regions of the concerned position as a first scan set according to the concerned information. Then, the control unit controls the fingerprint sensors corresponding to the first scan set according to a first scan strategy.

Full-screen electronic device with fingerprint sensing function and fingerprint sensing method thereof

The disclosure provides a fingerprint sensing device, including a glass cover plate, a display panel, a fingerprint sensing module, a liquid crystal layer module, and a control circuit. The display panel is disposed below the glass cover plate, and provides illumination light to a finger. The fingerprint sensing module is disposed below the glass cover plate, and senses light reflected by the finger. The liquid crystal layer module is disposed on the fingerprint sensing module. The control circuit is coupled to the liquid crystal layer module, and drives the liquid crystal layer module to focus the illumination light to the finger or focus the light reflected by the finger to the fingerprint sensing module.

An optical fingerprint sensor and a fingerprint identification method are provided. The optical fingerprint sensor includes a photosensitive element and a signal processing circuit. The signal processing circuit includes a logic unit, a variable/programmable gain amplifier and a processing unit. The logic unit is electrically coupled to the photosensitive element. The variable/programmable gain amplifier is electrically coupled to the logic unit. The processing unit is electrically coupled to the variable/programmable gain amplifier and the logic unit. The variable/programmable gain amplifier adaptively switches a gain between a first gain value and a second gain value, wherein the second gain value is larger than the first gain value. After the signals inputted into the variable/programmable gain amplifier are properly processed according to the first gain value or the second gain value, the optical fingerprint sensor acquires a sharp sensing image.

Optical fingerprint sensor and fingerprint identification method thereof

An ion wind generating device includes a high voltage power supply, a capacitor connected in parallel to the high voltage power supply, a first metal cone connected in series to the high voltage power supply, a ground plate disposed on the same axis as the first metal cone, a starter motor, and a second metal cone disposed on a connecting shaft. The starter motor includes a rotating shaft and a connecting shaft perpendicular to the rotating shaft. After second metal cone moves to be located between first cone and the ground plate, the starter motor stops rotating. The high voltage power supply charges the capacitor with the high voltage power, and the capacitor discharges the first metal cone. When the second metal cone is located between the first metal cone and the ground plate, the first metal cone causes the second metal cone to discharge to generate an ionic wind.

Ion wind generating device

A readout circuit for reading sensed signals of a pixel array. The readout circuit includes: an operational amplifier, a plurality of switching devices and a computation circuit. The operational amplifier is arranged to generate an output signal in each amplifier output cycle. In each amplifier output cycle, each of the switching devices is controlled by a switch controlling signal to selectively couple pixel circuits to the differential input terminals of the operational amplifier. The computation circuit is arranged to the recover a plurality of sensed signal respectively corresponding to a plurality of pixel circuits. In each amplifier output cycle, at least two of the switching devices are turned on, such that the operational amplifier receives the sensed signals of at least two pixel circuits in the pixel array simultaneously and sums the sensed signals of the at least two pixel circuits to generate the output signal.

Readout circuit using shared operational amplifier and related image sensor

A fingerprint sensing module includes a fingerprint sensing pixel array, a plurality of column circuitries and a constant current circuit. The fingerprint sensing pixel array includes a plurality of sensing pixels in an array arrangement. Each column circuitry is electrically coupled to a row of the sensing pixels via a corresponding row signal line. The constant current circuit generates a bias voltage to the column circuitries according to a reference current. In response to the bias voltage level, a row output current provided by each column circuitry and flowing through each row of the sensing pixels is equal to or close to the reference current. Since the row output current coincides with the reference current, the row output current is not adversely affected by the external factors.

The disclosed subject matter provides a system, computer readable storage medium, and a method providing an audio and textual transcript of a communication. A conferencing services may receive audio or audio visual signals from a plurality of different devices that receive voice communications from participants in a communication, such as a chat or teleconference. The audio signals representing voice (speech) communications input into respective different devices by the participants. A translation services server may receive over a separate communication channel the audio signals for translation into a second language. As managed by the translation services server, the audio signals may be converted into textual data. The textual data may be translated into text of different languages based the language preferences of the end user devices in the teleconference. The translated text may be further translated into audio signals.

Growing community of inventors

Hsinchu County, Taiwan

Chung-Yi Wang