An electronic device includes a foldable housing including a hinge, a first housing connected to the hinge and including a first surface facing a first direction and a second surface facing a second direction opposite to the first direction, and a second housing connected to the hinge, the second housing including a third surface facing a third direction and a fourth surface facing a fourth direction opposite to the third direction, wherein the first housing and the second housing are foldable relative to each with respect to the hinge, and the first surface faces the third surface in a folded state and the third direction is the same as the first direction in an unfolded state, and a first display forming the first surface and the third surface and extending from the first surface to the third surface.

A photodiode array is provided and includes insulating substrate; photodiodes arrayed in detection region of insulating substrate, photodiodes configured to output signal in accordance with light incident on photodiodes; first switching elements corresponding to photodiodes and including first semiconductor made of oxide semiconductor; gate lines coupled with first switching elements and extending in first direction; signal lines coupled with first switching elements and extending in second direction intersecting first direction; and gate line drive circuit including second switching element that includes second semiconductor made of polycrystalline silicone, gate line drive circuit being provided in peripheral region outside detection region and configured to drive gate lines, wherein photodiodes includes translucent conductive layer that is cathode, and translucent conductive layer overlaps none of signal lines in plan view.

An optical sensing device includes a substrate, a sensing element layer, a first planarization layer, and a second planarization layer. The sensing element layer is located on the substrate and includes a plurality of sensing elements. The first planarization layer is located on the sensing element layer and has a first slit. The second planarization layer is located on the first planarization layer and has a second slit. An orthogonal projection of the first slit extending in a direction and located on the substrate is not overlapped with an orthogonal projection of the second slit extending in the same direction and located on the substrate, and the orthogonal projection of the second slit on the substrate has a curved pattern.

A photosensitive device includes a first photosensitive unit, a first collimator layer, a first lens, and a first dummy lens. The first photosensitive unit includes a first photosensitive component and a first control circuit. The first control circuit is electrically connected to the first photosensitive component. The first collimator layer is located above the first photosensitive component and has a first pinhole and a first dummy pinhole. The first lens is located above the first collimator layer and overlapping with the first photosensitive component and the first pinhole in a first direction. The first dummy lens is located above the first collimator layer and overlapping with the first dummy pinhole in the first direction.

One or more systems and/or methods are disclosed for building a relief print generator with no bezel. An electrode layer having more than one electrode can be used in an electrode-based, electro-luminescence component of the relief print generator. The respective electrodes may be connected to power sources with different voltage phases. An electrical circuit can be created between a biometric object and more than one electrode in the electrode layer when the biometric object contacts a surface of the generator. The electro-luminescent component can be activated by electrical charge and emit light indicative of a relief print of the biometric object. A contact electrode outside the electrode layer may not be used, which may allow for the removal of a bezel from an example device.

An electronic device is provided. The electronic device includes a light source, a fingerprint sensor, a memory configured to record an image of a reflected light detected when the light source is turned on, and a processor configured to operatively coupled to the light source, the fingerprint sensor, and the memory, wherein the light source may form an irradiation area on a display surface by light irradiation to a display, the irradiation area may include a fingerprint recognition area formed on the display, at least one surface may match the fingerprint recognition area or at least one vertex coincides, and the matched area may form a first area. The memory may store instructions allowing the processor to irradiate light in a designated direction using the light source, obtain a first image and analyze the first image to distinguish whether the object detected by the fingerprint sensor is flat or three-dimensional.

According to an aspect, a detection device includes: a substrate; a plurality of first electrodes arranged on a first principal surface of the substrate; a plurality of photodiodes provided corresponding to the first electrodes, and each including a first carrier transport layer, an active layer, and a second carrier transport layer; a second electrode provided across the photodiodes; a backlight provided on a second principal surface side opposite to the first principal surface of the substrate; a plurality of light-blocking layers provided between the backlight and the photodiodes; and a light-transmitting area formed between adjacent light-blocking layers of the light-blocking layers.

A display device with an imaging function is provided. A high-resolution imaging device or display device is provided. The display device includes first to third switches, first and second transistors, a capacitor, first and second wirings, and a light-emitting and light-receiving element. One electrode of the first switch is electrically connected to the first wiring, and the other electrode is electrically connected to a gate of the first transistor and one electrode of the capacitor. One electrode of the second switch is electrically connected to one of a source and a drain of the first transistor, one electrode of the light-emitting and light-receiving element, and the other electrode of the capacitor, and the other electrode of the second switch is electrically connected to a gate of the second transistor and one electrode of the third switch. The other electrode of the third switch is electrically connected to the second wiring. The light-emitting and light-receiving element has a function of emitting light of a first color and a function of receiving light of a second color.

A notarization system for use in notarizing a document, the system comprising: a handheld notarization device having a printer; and a notarization application configured to be accessible only by a primary user and to operate on a mobile device having a camera, the notarization application being programmed to digitally read identification information from an identification card of a secondary user received via the camera, such that to verify the identity of the secondary user and authenticate the identification card, digitally scan and generate a digital line drawing of a fingerprint of the secondary user received via the camera, digitally generate a notarization endorsement and cause a printing of the notarization endorsement onto a tamper-resistant sticker via the printer, wherein, when the notarization application is being accessed by the primary user, and upon signing of the document by the secondary user, the notarization application causes a printing of the notarization endorsement.

Provided is an electronic device capable of suppressing an influence of internal reflected light in a device. An electronic device is provided with, sequentially from one side to the other side, a first polarizing plate that makes incident light linearly polarized light, a first ¼ wavelength plate a slow axis of which is different from an absorption axis of the first polarizing plate by 45 degrees or 135 degrees, a self-luminous element layer, a second ¼ wavelength plate a slow axis of which is in the same direction as the slow axis of the first ¼ wavelength plate, a second polarizing plate an absorption axis of which is orthogonal to the absorption axis of the first polarizing plate, and an imaging device that images light via the second polarizing plate.