Guangzhou Tyrafos Semiconductor Technologies Co., Ltd

Guangzhou Tyrafos Semiconductor Tech. Co., Ltd.

Hsu-Wen Fu

Ping-Hung Yin

Jun-Wen Chung

Chun-Yu Lee

Jia-Shyang Wang

Lu-Lang Hsu

Chia-hao Chang

Hsiao-Wen Sun

Chun-I Shao

Hua Chen

Fu-Kuo Lin

The present invention provides a biomolecule image sensor in which detection molecules are deposed on a light receiving surface of an image sensing element, and method thereof for detecting biomolecule.

Biomolecular image sensor and method thereof for detecting biomolecule

A surface light source projection device with improved zero-order diffraction includes a light exit module and a diffractive optical module. The diffractive optical module has two micron diffraction layers, the micron diffraction layers include a plurality of microstructures. Each of the microstructures has a circular perimeter and is provided with a recess having an opening inside the circular perimeter. The outer diameter of each of the microstructures is between 5 times and 200 times the incident wavelength of an incident light beam, and the outer diameter of the recess is between 0.3 and 0.7 times the outer diameter of each microstructure.

Surface light source projection device with improved zero-order diffraction

The present invention provides a surface light source projection device, which includes a light emitting module and a diffractive optical module. Wherein, the diffractive optical module has two micron diffractive layers, the micron diffractive layers include a plurality of micron structures, and the shape of the micron structures is set to be cone, disc or any combination of the above. The micron structures have an outer diameter, and the outer diameter of the micron structures is between 5 times and 200 times of the incident wavelength of the light beam output from the light emitting module. Thereby, the surface light source projection device capable of enduring heat accumulation generated after continuous irradiation of high-energy laser is provided to facilitate long-term irradiation and long-distance sensing.

Surface light source projection device

An image sensing device and a fingerprint sensing method are provided. The image sensing device is suitable for being installed in an electronic device. The image sensing device includes a light sensor and a controller. The controller is coupled to the light sensor. When the electronic device is operated in a sleep mode, the controller operates the light sensor in a light sensing mode. The controller determines whether a number of signal intensity changes of a photosensitive signal output by the light sensor exceeds a predetermined number of intensity changes within a predetermined length of time, so as to switch the operation of the light sensor in a fingerprint sensing mode.

Image sensing device and fingerprint sensing method

An image sensing method, applicable to the anti-spoofing recognition of under screen optical fingerprint sensing, is provided, including: dividing the image sensor into sensing blocks, dividing the display area of the display device correspondingly according to the sensing area, and the display area including the light-emitting area; defining the luminous color of each display area and the color coordinate value of each luminous color; each sensing block sensing the light intensity of the image reflected to the sensing block from the display block emitting the light onto the reference object and the test object to be measured; calculating the anti-spoofing reference color information of the reference object and registering in the system; when sensing the fingerprint image, first obtaining the light intensity of each block, then calculating the color information of the test object; and finally, comparing the color information with the registered anti-spoofing reference color information.

Image sensing method

An optical identification module including a sensor and a collimator is provided. The sensor has a plurality of sensing regions. The collimator is disposed on the plurality of sensing regions, and the collimator includes a transparent substrate, a first light shielding layer, and a plurality of microlenses. The first light shielding layer includes a plurality of first openings. The plurality of microlenses are disposed on a first surface of the transparent substrate, and the plurality of microlenses correspond to the plurality of first openings respectively.

Optical identification module

A fingerprint sensing device including a light guide cover plate, a light source, an image sensor, and a light output element is provided. The light guide cover plate includes a flat plate portion and a light entering portion. The flat plate portion has a first surface and a second surface opposite to each other. The light entering portion is located at the second surface, and has an inclined light incident surface inclined with respect to the first surface and the second surface. The light source is configured to emit a light beam. The light beam is transmitted to the light entering portion and the flat plate portion in sequence via the inclined light incident surface. The light output element is disposed on the second surface, and guides the light beam in the flat plate portion to the image sensor.

Fingerprint sensing device

An electronic device and a fingerprint sensing method are provided. The electronic device includes a display panel, a fingerprint sensor, and an integrated driver chip. The display panel includes a plurality of pixel units arranged in an array. The integrated driver chip integrates a display driver circuit and a fingerprint sensing circuit. When the pixel units of the display panel are in an undriven state and a finger object is in contact with a sensing area of the display panel to perform a fingerprint unlock operation, the display driver circuit drives at least a portion of the pixel units corresponding to the sensing area, so that at least a portion of the pixel units provide illumination light to the sensing area. The fingerprint sensing circuit drives the fingerprint sensor to capture a fingerprint feature image of the finger object.

Electronic device and fingerprint sensing method

An integrated circuit having an optical structure is provided. The integrated circuit includes a semiconductor substrate and a plurality of light guiding pattern layers. The light guiding pattern layers are located above the semiconductor substrate, and each of the light guiding pattern layers has a plurality of openings and a plurality of side wall portions corresponding to the openings. Each of the side wall portions surrounds the corresponding opening. A projection of one of the openings of one of the light guiding pattern layers on the semiconductor substrate at least partially overlaps a projection of one of the openings of the adjacent light guiding pattern layer on the semiconductor substrate, so as to form at least one light via hole and allow external light to be transferred to the semiconductor substrate through the light guiding pattern layers.

Integrated circuit having optical structure

A light-emitting apparatus including a light source, a light-diverging element, a conductive structure, and a drive control module is provided. The light source is used to emit a light beam. The light-diverging element is disposed on a transmission path of the light beam, wherein after the light beam passes through the light-diverging element, a plurality of light beams separated from each other are produced. The conductive structure is disposed on a first surface of the light-diverging element. The drive control module is used to drive the light source and is electrically connected to the light source and the conductive structure.

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Kaohsiung, Taiwan

Hsu-Wen Fu