G06V10/147

Electronic device
20230341957 · 2023-10-26 ·

An electronic device is disclosed, which includes: a substrate including a biometric sensing region and a non-sensing region; a biometric sensing module disposed corresponding to the biometric sensing region; a display layer disposed on the substrate; a light altering member at least partially disposed in the biometric sensing region; a touch sensing layer disposed on the display layer; and a supporting element disposed between the substrate and the biometric sensing module, wherein the light altering member includes a first insulating layer and a micro-structure layer disposed on the first insulating layer.

Electronic device
20230341957 · 2023-10-26 ·

An electronic device is disclosed, which includes: a substrate including a biometric sensing region and a non-sensing region; a biometric sensing module disposed corresponding to the biometric sensing region; a display layer disposed on the substrate; a light altering member at least partially disposed in the biometric sensing region; a touch sensing layer disposed on the display layer; and a supporting element disposed between the substrate and the biometric sensing module, wherein the light altering member includes a first insulating layer and a micro-structure layer disposed on the first insulating layer.

Display apparatus and signal recognition method thereof, and visible light communication device

A display apparatus includes display recognition units and a first processing device. Each of the display recognition units includes one or more sub-pixels and a photosensitive sensing device. The photosensitive sensing device is configured to convert reflected light of light emitted from at least one sub-pixel into a first electrical signal, and convert external light containing information entering from a display side into a second electrical signal. The first processing device is connected to photosensitive sensing devices of the display recognition units, and configured to obtain a texture image according to first electrical signals output by the photosensitive sensing devices, and determine the information contained in the external light according to a second electrical signal output by at least one photosensitive sensing device.

Display apparatus and signal recognition method thereof, and visible light communication device

A display apparatus includes display recognition units and a first processing device. Each of the display recognition units includes one or more sub-pixels and a photosensitive sensing device. The photosensitive sensing device is configured to convert reflected light of light emitted from at least one sub-pixel into a first electrical signal, and convert external light containing information entering from a display side into a second electrical signal. The first processing device is connected to photosensitive sensing devices of the display recognition units, and configured to obtain a texture image according to first electrical signals output by the photosensitive sensing devices, and determine the information contained in the external light according to a second electrical signal output by at least one photosensitive sensing device.

Fingerprint readout circuit and display panel thereof

A fingerprint readout circuit and a display panel are disclosed. The fingerprint readout circuit includes a voltage amplifier unit, a fingerprint readout unit, and a source follower unit. The voltage amplifier unit is coupled to the fingerprint readout unit and the source follower unit, and the fingerprint readout unit is coupled to the source follower unit. The fingerprint readout circuit has both current and voltage amplification functions. Therefore, a voltage difference is amplified, facilitating reading out fingerprint signals accurately and enhancing fingerprint readout precision and accuracy.

Fingerprint readout circuit and display panel thereof

A fingerprint readout circuit and a display panel are disclosed. The fingerprint readout circuit includes a voltage amplifier unit, a fingerprint readout unit, and a source follower unit. The voltage amplifier unit is coupled to the fingerprint readout unit and the source follower unit, and the fingerprint readout unit is coupled to the source follower unit. The fingerprint readout circuit has both current and voltage amplification functions. Therefore, a voltage difference is amplified, facilitating reading out fingerprint signals accurately and enhancing fingerprint readout precision and accuracy.

Dual-band divided-aperture infra-red spectral imaging system

Various embodiments disclosed herein describe a divided-aperture infrared spectral imaging (DAISI) system that is adapted to acquire multiple IR images of a scene with a single-shot (also referred to as a snapshot). The plurality of acquired images having different wavelength compositions that are obtained generally simultaneously. The system includes at least two optical channels that are spatially and spectrally different from one another. Each of the at least two optical channels are configured to transfer IR radiation incident on the optical system towards an optical FPA unit comprising at least two detector arrays. One of the at least two detector arrays comprises a cooled mid-wavelength infra-red FPA. The system further comprises at least one temperature reference source or surface that is used to dynamically calibrate the two detector arrays and compensate for a temperature difference between the two detector arrays.

Dual-band divided-aperture infra-red spectral imaging system

Various embodiments disclosed herein describe a divided-aperture infrared spectral imaging (DAISI) system that is adapted to acquire multiple IR images of a scene with a single-shot (also referred to as a snapshot). The plurality of acquired images having different wavelength compositions that are obtained generally simultaneously. The system includes at least two optical channels that are spatially and spectrally different from one another. Each of the at least two optical channels are configured to transfer IR radiation incident on the optical system towards an optical FPA unit comprising at least two detector arrays. One of the at least two detector arrays comprises a cooled mid-wavelength infra-red FPA. The system further comprises at least one temperature reference source or surface that is used to dynamically calibrate the two detector arrays and compensate for a temperature difference between the two detector arrays.

Fingerprint detection apparatus and electronic device

A fingerprint detection apparatus includes a plurality of fingerprint detection units distributed in an array or disposed alternately, and each of the plurality of fingerprint detection units includes: one micro-lens configured to be disposed under the display screen; a plurality of optical sensing pixels, a center position of a photosensitive region of each of the plurality of optical sensing pixels being offset relative to a center position of the same optical sensing pixel; and at least one light shielding layer disposed between the one micro-lens and the plurality of optical sensing pixels, each of the at least one light shielding layer being provided with a hole corresponding to the plurality of optical sensing pixels. By offsetting photosensitive regions of the optical sensing pixels, the thickness of an optical fingerprint module can be reduced on the basis of improving a fingerprint identification effect on a dry finger.

Fingerprint detection apparatus and electronic device

A fingerprint detection apparatus includes a plurality of fingerprint detection units distributed in an array or disposed alternately, and each of the plurality of fingerprint detection units includes: one micro-lens configured to be disposed under the display screen; a plurality of optical sensing pixels, a center position of a photosensitive region of each of the plurality of optical sensing pixels being offset relative to a center position of the same optical sensing pixel; and at least one light shielding layer disposed between the one micro-lens and the plurality of optical sensing pixels, each of the at least one light shielding layer being provided with a hole corresponding to the plurality of optical sensing pixels. By offsetting photosensitive regions of the optical sensing pixels, the thickness of an optical fingerprint module can be reduced on the basis of improving a fingerprint identification effect on a dry finger.