Abstract: A dielectric multilayer film is composed of a plurality of layers on a substrate. The plurality of layers includes at least one low refractive index layer and at least one high refractive index layer. The uppermost layer farthest from the substrate is the low refractive index layer. The high refractive index layer disposed on a substrate side of the uppermost layer is a functional layer containing a metal oxide with a photocatalytic function. The uppermost layer is a hydrophilic layer containing a metal oxide with a hydrophilic function and has pores that partially expose a surface of the functional layer. The average width of the pores is equal to or greater than 5 nm.

Abstract: Provided is an optical element having particularly excellent salt water resistance and capable of exhibiting a photocatalytic effect. An optical element 100 is obtained by forming a multi-layer coating MC having two or more layers on a glass substrate GL that is an optically-transparent base plate. The multi-layer coating MC has at least one low-refractive-index layer L and at least one high-refractive-index layer H, and a topmost layer 10 farthest from the glass substrate GL is the low-refractive-index layer L. The high-refractive-index layer H adjacent to the topmost layer 10 is a functional layer 20 containing, as a main component, a metal oxide having a photocatalytic function. The topmost layer 10 has a plurality of pores 30 that partially expose a surface of the functional layer 20.

Abstract: A flexible display panel and a curved display screen are provided. The flexible display panel includes a display region and a border region adjacent to each other and arranged along a first direction, the border region includes a chip region and a bend region, the bend region is located between the display region and the chip region, and the flexible display panel includes: a substrate; a base material reacting layer located on the substrate in the bend region; and a circuit wiring, located in the base material reacting layer, and obtained by at least a predetermined part of the base material reacting layer reacted by an oxidation reduction reaction.

Abstract: An optical element is provided, which is transparent at a wavelength of use ?, and which has a super-hydrophobic nanostructured surface that has an anti-reflection property, the surface having an array of pads. —The pads have a nanoscale width, a height h, an aspect ratio of less than 1/2, and the pitch p of the array is such that p<h and the element comprises a top layer of thickness less than h/5 which covers without discontinuity and conformally the nanostructured surface, the top layer being obtained via a step of annealing at a temperature comprised between 500° C. and 1200° C. and being in a material of a hardness greater than the hardness of the material of said nanostructured surface.

Abstract: There is provided an optical element comprising a base material comprising a resin material and a stack covering of layers disposed on the base material. In the optical element of the present disclosure, the stack covering comprises an optical multi-layered part composed of a high refractive index layer comprising Ta2O5 and a low refractive index layer comprising SiO2, the high refractive index layer and the low refractive index layer being alternately stacked in a form of 4 or more layers. Of a plurality of high refractive index layers, a first high refractive index layer situated most closely to the base material has a fissured structure.

Abstract: A precipitation shield device, and/or methods of manufacturing and/or using the shield device are provided. The shield device of embodiments includes functionality to prevent accumulation of precipitation over an imaging sensor. In embodiments, the shield device includes a base that enables the shield device to be mounted onto an imaging sensor. A shield body may be defined by two end walls and two lateral walls disposed around a central opening of the shield body. During operation, the central opening is aligned with a window of the imaging sensor. In embodiments, the end walls may have a surface configured to control an airflow flowing over the shield device to create a vortex over the central opening of the shield device. In embodiments, the vortex created over the central opening may deflect precipitation away from the central opening and may prevent the precipitation from accumulating over the window of the imaging sensor.

Abstract: For surface wetting control, an apparatus can expel fluid from a droplet on a surface using a transducer mechanically coupled to the surface. A first area of the surface can have a first wettability for the fluid, and a second area of the surface can have a second wettability for the fluid. The first wettability of the first area of the surface can be greater than the second wettability of the second area of the surface. The first area and the second area can have a patterned arrangement.

Abstract: Systems and methods are disclosed for lens water dispersion. For example, an image capture device may include a lens mounted on a body of the image capture device; an image sensor mounted within the body, behind the lens and configured to detect images based on light incident on the image sensor through the lens; and a dispersion structure around a perimeter of the lens on an external surface of the body, wherein the dispersion structure includes gaps sized to cause capillary action to move water away from the lens, from a first edge of the dispersion structure to a second edge of the dispersion structure.

Abstract: Systems, devices, and methods for an optical head enclosure of a sensor; one or more imbedded nozzles disposed on a surface of the optical head enclosure; an inlet of the one or more imbedded nozzles, where the inlet comprises a nozzle channel for receiving a cleaning solution; a flow channel internal to the optical head enclosure, where the nozzle channel is connected to the flow channel, and where the flow channel comprises an outlet for dispersing the cleaning solution received from the nozzle channel; wherein the inlet comprises a break to stop a nozzle of a cleaning device from reaching a mirror of the sensor; where the outlet directs the cleaning solution from the inlet onto the mirror.

Abstract: A computing device includes: a housing supporting a transparent panel to define an enclosure; a camera supported within the enclosure, the camera having a field of view extending through the transparent panel; and a privacy shutter supported within the enclosure, between the transparent panel and the camera, the privacy shutter having a shutter magnet, and being movable via magnetic activation between (i) an enabled position obstructing the field of view, and (ii) a disabled position clearing the field of view.

Abstract: Wiper is utilized to clean side-view mirror of a vehicle. Existing wiper attached with the side-view mirror obstructs visibility of a driver while cleaning the side-view mirror in a rainy season or in a dusty environment, which leads to an accident. A vehicle mirror wiping unit is provided. The vehicle mirror wiping unit includes a mirror; a mirror shutter assembly; a mirror casing; a mirror mounting unit, consisting of: the mirror, a mirror spring, a spring retaining cap, and a mirror spring holder; a pin pass through a cut-out of the spring retaining cap, and a cut-out in the mirror spring holder; and a cleaning elastomer is triggered by the mirror shutter motor, and the mirror shutter moves from the first end of the mirror to the second end of the mirror. A frontal surface of the mirror shutter is a reflective surface functioning as a mirror.

Abstract: This disclosure details vehicle static body structure mounted side view mirror assemblies. The exemplary side view mirror assemblies may include features for supporting vehicle off-roading, such as a pivoting and telescoping mirror section, a wind wing, lighting features, snorkel features, and/or accessory mounts, etc. The exemplary side view mirror assemblies may also include features for supporting improved vehicle security, such as mirror mounted radar sensors capable of establishing a security protection zone about the vehicle.

Abstract: In various embodiments, single-crystal aluminum nitride boules and substrates are highly visibly transparent and have low Urbach energies and/or absorption coefficients at deep-ultraviolet wavelengths. The single-crystal aluminum nitride may function as a platform for the fabrication of light-emitting devices such as light-emitting diodes and lasers.

Abstract: Camera system having a camera for a vehicle (F) for capturing the environment around the vehicle and a protection element. The camera has an optical element, with a light incidence portion (EB) and a retainer, which supports the optical element. The protection element is provided separately to the optical element and the retainer and is positioned at least on the light incidence portion (EB) of the optical element. The protection element has a sight opening, which exposes a use portion (NB) of the light incidence portion (EB). At least one gap between the optical element and the protection element for receiving a water drop (T), which is located on the use portion (NB), and a water drainage opening s distal from the sight opening is provided.

Abstract: Described herein is a sensor assembly and a method of operating the sensor assembly. In various embodiments, the sensor assembly can comprise a base component, a light detection and ranging (LiDAR) sensor, a transparent cylinder, a motor component, and a controller. The LiDAR sensor can be mounted on a support platform disposed centrally on the base component. The transparent cylinder can be disposed peripherally to the LiDAR sensor and can provide a field of view (FOV) for the LiDAR sensor. The transparent cylinder can be rotated independently of the base component. The motor component can be disposed on the base component, adjacent to the support platform. The motor component can be coupled to the transparent cylinder through a gearset and configured to rotate the transparent cylinder. The controller can be configured to obtain sensor data from on-board vehicle sensors. The controller can determine a level of obscurement on the transparent cylinder based on the sensor data.

Abstract: A sensor assembly includes a first sensing device and a second sensing device spaced from the first sensing device. The sensor assembly includes a bracket supporting the first sensing device and the second sensing device and a sensor cover including a first sensor window and a second sensor window. The first sensing device has a first field of view through the first sensor window and the second sensing device having a second field of view through the second sensor window. The sensor assembly includes an air nozzle housing supported by the bracket and defining a first air nozzle aimed toward the first sensor window and a second air nozzle aimed toward the second sensor window. The sensor assembly includes a washer nozzle spaced from the first air nozzle. The washer nozzle aimed toward the first sensor window in a direction opposite to a direction of the first air nozzle.

Abstract: The present invention discloses a reticle storage pod including an outer pod which includes an outer cover and an outer base. The outer cover and the outer base can be coupled to securely accommodate one of a first inner pod and a second inner pod that are differently structured in the outer pod. The first inner pod and the second inner pod are for individually accommodating a reticle. The outer cover is provided with at least one first hold-down mechanism and at least one second hold-down mechanism, and the first hold-down mechanism and the second hold-down mechanism respectively act on a cover of the first inner pod and a cover of the second inner pod that are differently structured.

Abstract: A sensor module includes: a base member; at least one of a single or a plurality of sensors and vibrators arranged on the base member; and a protective member constituted of at least one flat surface or a curved surface, provided so as to cover the at least one of the sensors and the vibrators. A part or whole of the protective member is formed of a strengthened glass and the strengthened glass is a chemically strengthened glass or a physically strengthened glass.

Abstract: A mirror cleaning system, an improved mirror for a vehicle having the system installed thereto, and a method of cleaning the improved mirror using the system. The system includes a housing attachable to a vehicle side mirror, a heating element operably connected to a power source, a wiper, and a spray nozzle fluidly connected to a cleaning fluid source. The system is designed to de-ice and de-frost the improved mirror, spray cleaning fluid thereon, and wipe debris and fluids to improve driver visibility.

Abstract: A vehicle lamp includes: a lamp body that has an opening in a direction of light radiation; a front cover that covers the opening to define a housing and includes, on an inner surface, an anti-fogging film mainly composed of a synthetic resin; a light source that is disposed in the housing; and a silicone resin part that is disposed in the housing. A content of D3 to D20 cyclic low molecular weight siloxanes in the silicone resin part is 0 ppm to 300 ppm in terms of mass.

Abstract: An enhanced adhesive lens cover set for use with a wearable viewing lens such as goggles or a helmet. The lens includes alignment means in proximity to the outer circumference. The laminated plurality of disposable lens covers has a pliable gasket disposed on a rearward surface thereof for adhesive attachment to the viewing lens inside of the alignment means. A releasable gasket for use with a prior art lens cover set is also disclosed. The gasket is of a deformable thickness, to minimize the likelihood of a breach of the circumferential seal between the lens cover set and the viewing lens when the disposable lens covers are peeled away.

Abstract: A vehicle includes a body of the vehicle and a sensing system coupled to the body. The sensing system includes optical componentry and a glass material, where the glass material at least in part houses the optical componentry and the glass material is at least partially transparent to light at the wavelength of the optical componentry. Further the glass material has mechanical and performance properties that allow the sensing system to be positioned particularly low on the vehicle, at a position that may be of higher risk for damage from debris.

Abstract: A device (1) for eliminating deposits and/or precipitation on a substrate (10, 110) comprises at least one transducer (20, 120) captively connected to the substrate (10, 110) by a connection layer (30), wherein the connection layer (30) is arranged between the substrate (10, 110) and the transducer (20, 120). The invention provides for the connection layer (30) to comprise a connection material (31) and a filling material (32). Furthermore, an optical system for environment monitoring comprising an optical monitoring device comprising a lens and/or an observation window and the above device is provided, wherein the lens or the observation window is formed by the substrate.

Abstract: The present teaching relates to method, system, medium, and implementation for sensor protection. It is determined whether a cleaning operation needs to be applied to a portion of a sensor assembly deployed on a vehicle and hosting a sensor therein to acquire information of a surrounding through the portion to facilitate autonomous driving. If the cleaning operation is to be applied, at least one type of cleaning is selected to be carried out by one or more devices mounted on the sensor assembly with respect to the portion. For each of the devices, needed control signal is generated for activating the device to perform a cleaning task the device is configured for and sent to the device to clean the certain portion of the sensor assembly in order to prevent degradation in the information acquired by the sensor through the portion.

Abstract: The present teaching relates to method, system, medium, and implementation for sensor protection. It is determined whether a cleaning operation needs to be applied to a portion of a sensor assembly deployed on a vehicle and hosting a sensor therein to acquire information of a surrounding through the portion to facilitate autonomous driving. If the cleaning operation is to be applied, at least one type of cleaning is selected to be carried out by one or more devices mounted on the sensor assembly with respect to the portion. For each of the devices, needed control signal is generated for activating the device to perform a cleaning task the device is configured for and sent to the device to clean the certain portion of the sensor assembly in order to prevent degradation in the information acquired by the sensor through the portion.

Abstract: An optical module includes an image element, a projection lens, a prism mirror, a wedge type optical element, a barrel configured to support the prism mirror and the wedge type optical element, a first combiner configured to deflect image light emitted from the wedge type optical element, a first dust proof member configured to cover a both end region of the projection lens, the prism mirror, and the barrel in a third axis, and cover an end region of the projection lens and the prism mirror located on the prism mirror side in a second axis, and a second dust proof member provided between the projection lens and the barrel.

Abstract: A sensor enclosure comprising a domed cover and a base. The base can be encased by the domed cover. The base comprises an inner frame, an outer frame, one or more wipers, and a powertrain. The inner frame can provide surfaces for one or more sensors. The outer frame, disposed underneath the inner frame, the outer frame includes a slewing ring. The slewing ring comprises an inner ring to which the domed cover is attached and an outer ring attached to the outer frame. The one or more wipers extends vertically from the outer frame, each wiper having a first end attached to the outer frame and a second end attached to a support ring, and each wiper making a contact with the dome cover. The powertrain, disposed within the outer frame, configured to rotate the ring and the dome cover attached to the inner ring.

Abstract: A sensor module includes: a base member; at least one of a single or a plurality of sensors and vibrators arranged on the base member; and a protective member constituted of at least one flat surface or a curved surface, provided so as to cover the at least one of the sensors and the vibrators. A part or whole of the protective member is formed of a strengthened glass and the strengthened glass is a chemically strengthened glass or a physically strengthened glass.

Abstract: Systems and methods are disclosed for lens water dispersion. For example, an image capture device may include a lens mounted on a body of the image capture device; an image sensor mounted within the body, behind the lens and configured to capture images based on light incident on the image sensor through the lens; and a dispersion structure around a perimeter of the lens on an external surface of the body, wherein the dispersion structure includes gaps sized to cause capillary action to move water away from the lens, from a first edge of the dispersion structure to a second edge of the dispersion structure.

Abstract: A vibration device includes a light-transmitting body that is located on a subject side of an imaging element, a cylindrical body that includes a first end portion, a second end portion on the opposite side from the first end portion, and an outer surface and an inner surface that connect the first end portion and the second end portion to each other, the cylindrical body being connected to the light-transmitting body and holding the light-transmitting body on the first end portion side thereof, and a piezoelectric element provided along a circumferential direction of the cylindrical body and that torsionally vibrates the cylindrical body.

Abstract: A mirror unit includes a plurality of reflective mirrors, a mirror holder on which the plurality of reflective mirrors are disposed and an adhesive member to bond and fix the reflective mirrors to the mirror holder. The mirror holder has a contact area where the reflective mirrors are to be in contact and a step in a direction away from the reflective mirror with respect to the contact area. The step has an adhesive fixing area on which an adhesive member is mounted.

Abstract: A vibration device includes a top plate elastic body, a cylindrical body that includes a first end portion and a second end portion and is coupled with the top plate elastic body to retain the top plate elastic body on a side of the first end portion. The cylindrical body includes on a side of the second end portion, a ring-shaped flange portion extended outward in a radial direction of the cylindrical body, and a piezoelectric element fixed to the ring-shaped flange portion to cause the cylindrical body to vibrate.

Abstract: Provided is a functional polyamide sheet in which air bubbles are not generated or are reduced in a polarizing and/or photochromic functional sheet when the polarizing and/or photochromic functional sheet are/is manufactured using a sheet or film formed by a polyamide resin as a protective layer, and a functional polyamide lens using the functional polyamide sheet. Provided are a polyamide functional sheet obtained by disposing a protective layer formed by a transparent plastic sheet or film on at least one surface of a functional layer, which is a polyvinyl alcohol-based polarizing film layer, a photochromic layer, or a combination of these layers, with an adhesive layer being interposed therebetween, in which the protective layer is a sheet or film formed by a polyamide resin, and an oxygen transmission rate at 23° C. and 85% RH is 50 cm3/m2·24 hr·bar or more, and a functional polyamide lens using the polyamide functional sheet.

Abstract: A system for mitigating contamination of a lens of an exterior vehicular camera includes a passive air flow device disposed at the vehicle and configured to passively direct air flow across an outer surface of a lens of the camera to establish a passive air stream curtain. An active air flow device is operable to actively propel air across the outer surface of the lens of the camera to establish an active air stream curtain. A control is operable to activate and deactivate the active air flow device. When the vehicle is driven at a speed of travel below a threshold level, the control activates the active air flow device to actively propel air across the outer surface of the lens of the camera. When the vehicle is in motion, the passive air stream curtain deflects polluting particles away from the outer surface of the lens of the camera.

Abstract: A vehicular component shield providing a base plate with an aperture, wherein a shield surface extends from the base plate and circumscribes the aperture. The shield surface has an upper shield surface extending to a downwardly tapered moisture accumulation surface which in turn communicates to a moisture drip point. The distal surfaces of the remaining portion of the shield surface have a plurality of airfoil deflection surfaces defined by a non-zero or non-linear slope or gradient relative to the y-z plane of the base plate, wherein the plurality of airfoil deflection surfaces slope inward toward the aperture relative to the x-y plane of the base plate.

Abstract: A video system includes a camera, at least one magnet providing a magnetic field, a magnetometer, and a processing system. The magnetometer is configured to measure the magnetic field to generate a magnetometer readout. The magnetic field is altered when a lens cap blocks a view of the camera. The processing system is configured to detect, based on the magnetometer readout of the magnetic field, whether the lens cap is blocking the view of the camera.

Abstract: The present disclosure provides a camera assembly and a mobile terminal. The camera assembly comprises a fixing frame, a support device, a guiding device, a camera module and a second magnetic structure. The support device has a first magnetic structure. The guiding device is connected to the fixing frame and the support device, respectively. The support device is slidably connected to the fixing frame by means of the guiding device. The camera module is arranged on the support device. The second magnetic structure is used for generating a magnetic field, and the second magnetic structure interacts with the first magnetic structure to apply a force to the support device in the sliding direction of the support device for sliding the support device. The support device slides under the guidance of the guiding device.

Abstract: A device that includes a window, a catalyzed layer, and a laser source is disclosed. The window may include a first surface and a second surface. The catalyzed layer may be disposed on the first surface of the window. The catalyzed layer may include a compound having a threshold transmittance, and be configured to cause a reaction with soot in one or more of a combustion chamber or a pre-combustion chamber of a combustion engine at an activation temperature to reduce accumulation of soot on the window. The laser source may be disposed relative to the second surface of the window, and configured to emit a laser beam through the window and the catalyzed layer. The laser beam may be configured to cause ignition of an intake charge of one or more of the combustion chamber or the pre-combustion chamber.

Abstract: A protective shield is provided for covering a self-contained breathing apparatus (SCBA) mask or a full-face air purifying respirator (APR) lens to prevent damage and scratching. The shield consists of a die cut shape of thermoplastic sheet that duplicates the outline of the self-contained breathing apparatus mask lens and/or frame. The protective shield can be produced using various grades, colors and/or densities of material replicating limited visibility or blackout conditions. To protect the majority of the plastic lens, the shape of the shield includes a peripheral overlap onto the mask utilizing the SCBA lens frame. The shield can be attached to the self-contained breathing apparatus face mask by means of any of the following: bungee, hook, or elastic cord; all of which allows the shield to be attached or removed quickly. Many SCBA/APR training exercises require limited visibility.

Abstract: A system includes a base having a sensor opening. An object-detection sensor is aligned with the sensor opening. A motor and a guide are each supported by the base and are spaced from each other. A continuous band is flexible relative to and engaged with the motor and the guide. At least a portion of the continuous band is transparent and extends between the sensor and the sensor opening. If a contaminant, e.g., dirt, water, snow, etc., is on the continuous band at the sensor opening, the motor moves the continuous band to locate a clean section of the continuous band at the opening.

Abstract: The invention relates to a side view mirror assembly (10) comprising a first mirror (12) and a second mirror (12), a lower arm (24, 240) and an upper arm (18, 180) for mounting said assembly to a vehicle, wherein said lower and upper arms (24, 240, 18, 180) are linked by a structural element (30), wherein first and second mirrors (12, 14) are coupled to respective lower and upper arms (24, 240, 18, 180) and in that said structural element (30) integrates the first and second mirrors (12, 14) and is transparent.

Abstract: The present invention aims to provide a liquid crystal display device highly suppressing occurrence of rainbow interference pattern in displayed images. The present invention is a liquid crystal display device including: a back light source, a liquid crystal cell, a color filter, a polarizer, and a polarizer protective film arranged in the stated order, wherein the polarizer protective film has a retardation of not less than 6000 nm, and a difference (nx?ny) of not less than 0.05 between a refractive index (nx) in a slow axis direction that is a highest refractive index direction and a refractive index (ny) in a fast axis direction that is orthogonal to the slow axis direction, and an absorption axis of the polarizer and the slow axis of the polarizer protective film are arranged to form an angle within a range of 0°±30° or 90°±30°.

Abstract: A vibrating device includes a tubular vibrating body and a lens cover coupled to a first surface of the tubular vibrating body. The tubular vibrating body includes a tubular member and piezoelectric vibrators. The lens cover includes a mode changing coupler and a light transmitting body unit disposed in front of a lens of a camera. The mode changing coupler includes a thin portion having a thickness smaller than a thickness of the tubular member.

Abstract: An apparatus includes a mass detection circuit coupled to a surface covered with a plurality of electrodes. The mass detection circuit is configured to detect a mass of a first droplet present on the surface. The apparatus further includes a transducer circuit coupled to a transducer, which is coupled to the surface and form a lens unit. The transducer circuit configured to excite a first vibration of the surface at a resonant frequency to form a high displacement region on the surface. The apparatus also includes a voltage excitation circuit coupled to the plurality of electrodes. In response to the detection of the mass of the first droplet, the voltage excitation circuit is configured to apply a sequence of differential voltages on one or more consecutive electrodes which moves the first droplet to the high displacement region.

Abstract: A vehicle includes an exterior body panel, an opening formed through the exterior body panel, a housing that is connected to the exterior body panel, wherein the housing includes side walls that extend around an enclosed space and an open front portion that is positioned at the opening formed through the exterior body panel, an optical-grade tempered glass panel that is connected to the housing and positioned at the opening that is formed through the exterior body panel, an emissive sensor component that is located in the enclosed space that is defined by the housing and the optical-grade tempered glass panel, and a receptive sensor component that is located in the enclosed space that is defined by the housing and the optical-grade tempered glass panel.

Abstract: The present disclosure relates to a polarizer protecting film, a polarizing plate including the same, a liquid crystal display including the polarizing plate, and a coating composition for polarizer protecting film. More specifically, it relates to a coating composition capable of producing a polarizer protecting film exhibiting excellent physical and optical characteristics while absorbing and emitting light in a specific wavelength range to enhance visibility of a laser pointer, a polarizer protecting film produced by using the same, a polarizing plate including the polarizer protecting film, and a liquid crystal display including the polarizing plate.

Abstract: A motor vehicle exterior mirror has a curved mirror housing, a housing foot with which the mirror housing can be fixed to the motor vehicle, and a reflective mirror body arranged in an opening on the rear of the mirror housing. A separation edge extends approximately in the transverse direction on the underside of the mirror housing and elevated guide elements are provided on the underside of the mirror housing adjoining the separation edge toward the front. The guide elements prevent rainwater from being able to flow away in the proximal direction on the underside of the mirror housing.

Abstract: The present invention relates to an organosilane compound having at least one silicon atom bearing at least one hydrolysable group, at least one non-hydrolysable group comprising a hydrophilic group, and at least one non-hydrolysable group comprising a hydrophobic group having at least one fluorine atom, said hydrophilic group and said hydrophobic group not both comprising, in the main chain, the same substituent of the silicon atom. The invention further relates to an optical article having a substrate coated with a precursor coating of an anti-fogging coating formed by depositing said organosilane compound on the surface of the optical article. The precursor of the anti-fogging coating, which also has anti-fouling properties, is converted into the actual anti-fogging coating by application of a surfactant film to the surface thereof.

Abstract: The present application provides a fingerprint identification module and a package structure of a fingerprint identification chip. The fingerprint identification module includes: a fingerprint identification chip and a package structure for packaging the fingerprint identification chip. The package structure leaves a fingerprint sensing region of the fingerprint identification chip exposed, an upper surface of a film layer of the fingerprint sensing region is provided with a protection layer with a predetermined thickness. The protection layer is exposed in the fingerprint sensing region outside the package structure and causes the fingerprint identification chip to have a predefined fingerprint identification distance.

Abstract: A vibration device includes a vibration body including a light-transmitting portion including first and second main surfaces opposing each other and a vibration portion that is continuous with the light-transmitting portion and vibrates with a main vibration together with the light-transmitting portion, and a piezoelectric vibrator fixed to the vibration portion. Localized vibration portions which generate a localized vibration different from the main vibration are provided at a position not overlapping with a center or approximate center of the light-transmitting portion.