Abstract: The present disclosure provides a backlight driving circuit and a liquid crystal display device. The backlight driving circuit according to an embodiment of the present application adds a first transistor and a reset signal. The on-off of the second transistor is controlled by the scan signal to charge the storage capacitor, and the on-off of the first transistor is controlled by the reset signal to release the charge in the storage capacitor. The backlight driving circuit of the application can realize the backlight lighting individually row by row and improve the problem of display motion streak effect.

Abstract: In some embodiments, an electronic device presents media items from different media applications in a unified media browsing application. In some embodiments, an electronic device facilitates browsing of media from different media applications based on category of media (e.g., movies, television shows, etc.). In some embodiments, an electronic device facilitates setup of a unified media browsing application that presents media items from different media applications in a unified media browsing user interface. In some embodiments, an electronic device displays multiple episodes of a collection of episodic content (e.g., a television series) in a user interface for the collection of episodic content. In some embodiments, an electronic device displays representations of, and provides access to, live-event media items accessible on the electronic device.

Abstract: An optical assembly a substrate having a first surface and a second surface that is opposite to and substantially parallel with the first surface. The first surface has a first curved profile and the second surface has a second curved profile. The optical assembly also includes a beam splitter on the first surface and a reflector on the second surface. The optical assembly is configured to transmit image light received at the first surface in an optical path that includes reflection at each of the reflector and the beam splitter before the image light is output from the second surface. The optical assembly is also configured to transmit ambient light received at the first surface such that the second light is output from the second surface without undergoing reflection at either the reflector or the beam splitter. A method of transmitting light through the optical assembly is also disclosed.

Abstract: The present disclosure relates to a backlight source, a method of manufacturing the backlight source, and a display device. The backlight source comprising: a light guide plate; a light emitting device on a side of the light guide plate in a thickness direction, wherein the light emitting device is configured to emit light irradiated into the light guide plate; and an optical element on a light emitting side of the light emitting device in a thickness direction, wherein the optical element is configured to convert the light emitted from the light emitting device into a parallel beam propagating in the light guide plate by total reflection.

Abstract: An alignment deviation detection method and apparatus of a display panel, a data compensation method and apparatus. The method includes: providing a first data signal for causing the dimming screen to display an alignment dimming picture including a first alignment pattern; providing a second data signal for causing the display screen to display an alignment display picture including a second alignment pattern; under a control of the first data signal, making the dimming screen display the alignment dimming picture, and under a control of the second data signal, making the display screen display the alignment display picture; according to a display situation of the second alignment pattern, determining an alignment state between the display screen and the dimming screen. An orthographic projection of the second alignment pattern on the dimming screen is preset to be at least partially aligned with and at least partially deviated from the first alignment pattern.

Abstract: A driving method of a display panel, a driving device, a display device, and a storage medium are provided. The driving method of the display panel includes: obtaining an input image that is to be displayed; determining a display picture corresponding to the plurality of display pixels of the display screen according to the input image; determining a first dimming picture corresponding to the plurality of dimming pixels of the dimming screen according to the input image, and processing the first dimming picture to obtain a second dimming picture; providing the display picture to make the dimming screen perform backlight modulation on the display screen according to the second dimming picture, and providing the second dimming picture to make the display screen display the input image according to the display picture.

Abstract: A touch panel with higher sensing accuracy or higher detection sensitivity is provided. The touch panel includes a first conductive layer, a second conductive layer, a plurality of display elements, and a scan line. In a plan view, the first conductive layer has an outline including a first portion that is linear and parallel to a first direction. In the plan view, the second conductive layer has an outline including a second portion that is linear and parallel to the first direction. The first portion and the second portion face each other. The display element is in a position not overlapping with the first conductive layer nor the second conductive layer. The scan line has a portion extending in a second direction. An angle between the first direction and the second direction is greater than or equal to 30° and less than or equal to 60°.

Abstract: Image viewing in digital pathology using eye-tracking. In an embodiment, a position of a user's gaze on a graphical user interface, comprising at least a portion of a digital slide image within a macro view, is repeatedly detected based on an output from an eye-tracking device. After detecting a change of the user's gaze from a first position to a second position on the graphical user interface, a view of the digital slide image within the macro view is automatically panned based on the second position, so as to move a position on the digital slide image that corresponds to the second position on the graphical user interface toward a center of the macro view.

Abstract: The present disclosure provides a display device and a method for manufacturing the same. The display device includes a display substrate; a first cover plate on a side of the display substrate; at least one support layer on a side of the first cover plate distal to the display substrate. The support layer includes a support structure and a second cover plate. The second cover plate is on a side of the first cover plate distal to the display substrate, and the support structure is configured to support the second cover plate.

Abstract: A platform implements a remote online notarization service. The remote online notarization (RON) service allows notarization of digital documents which have been electronically signed. The RON process can be initiated by a facilitator and involves participants including one or more signers and a notary. The RON service provided by the present system confirms technical features of each participants device used to participate in the RON process. Once a participant's device is verified and the participant is verified, the participant is provided with access to a notarization session in which the notarization takes place. The service provides a manageable, reliable platform for implementing a RON process based on features including digitally witnessing of document e-signing, use of custom notary stamps, and creation of unique notary journal entries.

Abstract: The method for display may include obtaining an image to be displayed by at least one of the one or more display devices. The image may have a first region. The method may also include acquiring image information to be displayed in a second region that is displayed in the at least one of the one or more display devices. The image information may be related to the image. The method may also include acquiring a display standard associated with the image. The method may also include storing the image to at least one of the one or more storage devices. The method may also include generating a first determination that a display of the second region does not satisfy the display standard when storing the image. The method may also include generating a response based on a result of the first determination.

Abstract: A light-emitting device includes a plurality of organic EL elements. Each of the organic EL elements includes a reflection electrode, a hole transport region, an electron-trapping luminescent layer, and a light extraction electrode in this order. The hole transport region has a sheet resistance of 4.0×107 ?/sq.? or more at a current of 0.1 nA/pixel, and the total thickness of the hole transport region and the electron-trapping luminescent layer is equivalent to an optical path length enabling emission from the electron-trapping luminescent layer to be enhanced.

Abstract: A display device incudes: a display panel including a plurality of pixels; and a dimming panel that is disposed between the display panel and a light source of light to be emitted to the display panel and includes a plurality of dimming pixels. When one of the pixels produces an output at highest luminance and the other pixels produce an output at lowest luminance to the display panel, the light is transmitted through a predetermined one of the dimming pixels located on an optical axis of the light that is emitted to the one of the pixels and through the other dimming pixels arranged around the predetermined dimming pixel. A degree of transmission of the light through the other dimming pixels decreases as the light is away along one direction from the predetermined dimming pixel, and there are a plurality of directions having different degrees of the decrease.

Abstract: The present invention relates to a method and device for layer-wise instruction of a shaped body by stereolithography in subsequent layers.

Abstract: Displays and eyewear devices incorporating displays are disclosed. One display includes a light source, a first display region, and a second display region. The first display region includes a first contiguous array of pixels. The first contiguous array of pixels includes a first group of pixels and a second group of pixels interspersed with the first group of pixels. The first group of pixels is adapted to emit light from the light source in only a first wavelength band and the second group of pixels is adapted to emit light from the light source in only a second wavelength band different from the first wavelength band. The second display region consists essentially of a second contiguous array of pixels. The second contiguous array of pixels is adapted to emit light from the light source in a predetermined wavelength band.

Abstract: Embodiments of the present disclosure disclose a display apparatus, including: a display panel; a frame, provided at a side part of the display panel and including a light-transmitting area; a plurality of light guide structures spaced apart from each other, one end of each light guide structure having a photosensitive area, the photosensitive area being provided opposite to the light-transmitting area so that light is irradiated on the photosensitive area through the light-transmitting area; and an optical device provided at an end of each light guide structure away from the photosensitive area, wherein each of the light guide structures is configured to transmit the light irradiated on the photosensitive area to the optical device.

Abstract: In a data processing system that includes a field sequential colour display, when displaying a frame that is to be transformed based on a predicted view orientation on the field sequential colour display, each colour field to be displayed on the display for the frame is transformed based on a predicted view orientation for that particular colour field, such that each colour field will be subjected to a different view orientation transformation to the other colour fields for the frame. The so-transformed colour fields are then displayed sequentially on the display to display the frame.

Abstract: A method for local approximation of a predictive model may include receiving unclassified data associated with a plurality of unclassified data items. The unclassified data may be classified based on a first predictive model to generate classified data. A first data item may be selected from the classified data. A plurality of generated data items associated with the first data item may be generated using a generative model. The plurality of generated data items may be classified based on the first predictive model to generate classified generated data. A second predictive model may be trained with the classified generated data. A system and computer program product are also disclosed.

Abstract: An apparatus includes a controller coupled to a stereoscopic image viewer. The stereoscopic image viewer includes a viewing lens, an image capture unit, and a plurality of light sources. The image capture unit is configured to capture image frames. The controller receives the captured image frames. The controller is configured to switch light output from one of the plurality of light sources to another one of the plurality of light sources if a corneal reflection in a captured image frame intersects a fixed reflection in the captured image frame.

Abstract: A system includes at least one data processor and memory storing instructions which, when executed by the at least one data processor, configures the at least one data processor to: provide, via a display, a visual stimulus including an animation containing at least a first object and a second object, the visual stimulus prompting for user input for authentication to a virtual domain; monitor movement of a user while providing the visual stimulus; identify, based on the monitoring, a sequence of dwell times of a characteristic of the user's movement with respect to the first object and the second object; compare the identified sequence of dwell times to a stored sequence of dwell times; and provide the comparison to enable authentication of the user in the virtual domain. Related apparatus, systems, techniques and articles are also described.

Abstract: A display device and a driving method thereof, a display system and a display method thereof are provided, including a display panel, which includes a plurality of pixel units; a first optical film sheet provided on the plurality of pixel units. At least one of the pixel units includes a sub-pixel unit of a first color, and the sub-pixel unit of the first color includes at least a display sub-pixel unit of the first color and a disturbing sub-pixel unit of the first color. The first optical film sheet includes a first sub-optical-film unit to allow transmission of light emitted by the display sub-pixel-unit of the first color and a second sub-optical-film unit to allow transmission of light emitted by the disturbing sub-pixel unit of the first color, and polarization states of lights emitted from the first sub-optical film unit and the second sub-optical film unit differ from each other.

Abstract: An optical assembly a substrate having a first surface and a second surface that is opposite to and substantially parallel with the first surface. The first surface has a first curved profile and the second surface has a second curved profile. The optical assembly also includes a beam splitter on the first surface and a reflector on the second surface. The optical assembly is configured to transmit image light received at the first surface in an optical path that includes reflection at each of the reflector and the beam splitter before the image light is output from the second surface. The optical assembly is also configured to transmit ambient light received at the first surface such that the second light is output from the second surface without undergoing reflection at either the reflector or the beam splitter. A method of transmitting light through the optical assembly is also disclosed.

Abstract: An image display device includes a display panel, a barrier panel, and a controller. The display panel is configured to be able to form a first display region, to be able to display a right-eye image in a right-eye visible region of the first display region and display a left-eye image in a left-eye visible region of the first display region. The barrier panel is configured to be able to form a first barrier region and to form a light-transmitting portion and a dimming portion in the first barrier region. The controller is configured to display a portion located in the first display region as one parallax image frame including two sub-frames. The controller is configured to form the dimming region in the entire first barrier region during a frame change period including a timing of changing a display from the parallax image frame to a new parallax image frame.

Abstract: Image viewing in digital pathology using eye-tracking. In an embodiment, a position of a user's gaze on a graphical user interface, comprising at least a portion of a digital slide image within a macro view, is repeatedly detected based on an output from an eye-tracking device. After detecting a change of the user's gaze from a first position to a second position on the graphical user interface, a view of the digital slide image within the macro view is automatically panned based on the second position, so as to move a position on the digital slide image that corresponds to the second position on the graphical user interface toward a center of the macro view.

Abstract: A light diffusion member constituting a head-up display device includes multiple micro-lenses and has a curved base surface. The edge angle is larger than the base surface angle change amount. The edge angle is an angle formed by one of tangent lines of two micro-lenses and the other of the tangent lines passing through a boundary between two adjacent micro-lenses on a cross section orthogonal to the base surface. A reference line has a constant direction on the cross section, and a normal line passes at an arbitrary position on the base surface. The maximum value is ?max and the minimum value is ?min among angles between the normal line and the reference line. The base surface angle change amount is the absolute value of the difference between ?max and ?min.

Abstract: A contact lens system is provided. The contact lens includes a contact lens substrate, an embedded display, and a processor. The embedded display may form a part of the contact lens substrate. The processor is configured to shift at least a part of an image to a central position of the embedded display to bring the part of the image into focus on the embedded display.

Abstract: A projector is provided that includes a light source configured to radiate light, an electro-optical panel including a pixel circuit configured to receive light from the light source and emit the light, and an optical axis shifting element configured to shift an optical axis of the light emitted from the pixel circuit, with the projector being configured to display a pixel on a projection surface, based on the light emitted from the pixel circuit via the optical axis shifting element. When shifting a position of the pixel on the projection surface from a first position to a second position in a first direction, the optical axis shifting element shifts an optical axis of the light emitted from the pixel circuit using a path different from a shortest path from the first position to the second position.

Abstract: An organic light emitting diode (OLED) display panel and a preparation method thereof, the OLED display panel includes an OLED device layer, a light emitting layer, an encapsulation layer and a color film layer which are disposed layer by layer. The light emitting layer includes a first light emitting area and a second light emitting area which are spaced apart, and a pixel defined layer (PDL) area is disposed between the first light emitting area and the second light emitting area. The color film layer includes a first color film area and a second color film area which are spaced apart, and a black matrix (BM) area is disposed between the first color film area and the second color film area. A reflection layer is disposed between the color film layer and the light emitting layer.

Abstract: The present invention provides a display system for displaying image data. The display system comprises a light source; a spatial light modulator including a plurality of controllable reflective elements; a light source controller, configured to control the light source to emit, in each of a plurality of time intervals, light with a different illumination power level, wherein the time intervals have the same length; and a spatial light modulator controller, configured to activate, based on received image data, the plurality of controllable elements for at least one of the time intervals for directing the light from the light source for display the image data. Accordingly, the frame rate and bandwidth of the display system are increased significantly so as to be suitable for the light filed applications.

Abstract: Some embodiments are directed to an integrated circuit and computer-implemented method for estimating a depth map from an image using a joint bilateral filter at reduced computational complexity. For that purpose, image data of an image is accessed as well as depth data of a template depth map. A joint bilateral filter is then applied to the template depth map using the image data as a range term in the joint bilateral filter, thereby obtaining an image-adapted depth map as output. The applying of the joint bilateral filter includes initializing a sum-of-weighted-depths volume and a sum-of-weights volume as respective empty data structures in a memory, performing a splatting operation to fill said volumes, performing a slicing operation to obtain an image-adapted depth volume, and performing an interpolation operation to obtain an image-adapted depth value of the image-adapted depth map for each pixel in the image.

Abstract: An image display system can include a plurality of light sources configured to emit uncollimated light, and an eyepiece waveguide having an input port configured to receive beams of light at differing angles. The image display system also includes a scanning mirror having a surface with positive optical power configured to receive light emitted by the plurality of light sources. The surface with positive optical power is configured to collimate light emitted by the plurality of light sources to form a plurality of collimated light beams and direct the plurality of collimated light beams to the input port.

Abstract: An interactive method using a floating image display and a system thereof are provided. The method is performed in the display apparatus. The display apparatus links to a computer system that executes a driver for establishing a communication interface there-between. In the method, the display apparatus receives image data from the computer system and floating image data can be obtained therefrom. The floating image display apparatus displays a floating image via a display panel after a conversion process. After that, a user can manipulate directly on the floating image by gesture. A procedure running in the display apparatus can determine an interactive instruction according to variations of three-dimensional coordinates. When the interactive instruction is transmitted to the computer system, a new image data is formed in response to the interactive instruction. The display apparatus then displays a new floating image after receiving new data.

Abstract: In a method of producing images of a stored three-dimensional model of the surroundings of a vehicle, the images are corrected for perspective. A camera picture is produced by a camera device of the vehicle, and is projected onto a projection surface in the surroundings model. A region relevant for driving is marked in the surroundings model and is projected onto a corresponding projection surface area of the projection surface. An image of the projection surface including the driving-relevant region projected onto the projection surface area is produced and output by a virtual camera that can move freely in the surroundings model.

Abstract: An augmented reality system includes a first scene and a second scene. Further, the augmented reality system includes a partially reflective surface positioned relative to the first scene, the second scene, and an audience to facilitate viewing of one of the first scene or the second scene through the partially reflective surface and to facilitate reflection of the other of the first scene or the second scene toward the audience as augmented reality imagery. A sensor of the augmented reality system is designed to detect and generate data indicative of a characteristic of the first scene, and a correlative effect system is operable to receive the data and adjust the second scene based thereon.

Abstract: A projector configured to generate a first image and a second image to be displayed by a projection section, the projection section displaying first pixels constituting the first image and second pixels constituting the second image so that the second pixels are shifted with respect to corresponding ones of the first pixels, includes a filter processing circuit configured to execute a filter process of limiting a frequency band of an image signal of an input image with a one-dimensional filter to generate an intermediate image, an image expanding circuit configured to expand the intermediate image to generate a second expanded image, and an image dividing circuit configured to divide some of second expanded pixels constituting the second expanded image into the first image and the second image.

Abstract: A display apparatus is disclosed for enabling a user to experience a 3D perception when visual information is presented by the display apparatus. The display apparatus has an image forming unit having a two-dimensional array of image subpixels arranged to emit light for presenting associated visual information, and an optical system having an array of diffractive optical elements associated with respective ones of the array of image subpixels. Each diffractive optical element is arranged to diffract light from the associated image subpixel into a diffraction pattern with a plurality of diffraction orders to provide the visual information from the associated image subpixel to a plurality of directional viewing regions associated with the plurality of diffraction orders.

Abstract: The present disclosure proposes a cover plate for an organic electroluminescent display device and a method for manufacturing the same. The cover plate for the organic electroluminescent display device includes: an auxiliary electrode disposed on a substrate to be electrically connected to an electrode of the organic electroluminescent display device; and a light reflection suppression structure disposed on the auxiliary electrode and configured to suppress reflection of light from a surface of the auxiliary electrode. The present disclosure further proposes an organic electroluminescent display device and a display apparatus.

Abstract: An optical module includes a light modulator that modulates light and includes a plurality of pixels, and a pixel shift mechanism. The pixels of the light modulator each include a first sub-pixel on which a first or a second color light flux is incident, a second sub-pixel on which a color light flux different from the color light flux incident on the first sub-pixel out of the first and the second color light flux is incident, and a third sub-pixel and a fourth sub-pixel on which a third color light flux is incident. The pixel shift mechanism transition to a first state in which the third sub-pixel is located on a first position and the fourth sub-pixel is located on a second position, or a second state in which the third sub-pixel is located on a third position and the fourth sub-pixel is located on a fourth position.

Abstract: In one embodiment, a computing system may determine that a target grayscale value for a frame falls within a predetermined grayscale range. The system may compute, based on the target grayscale value, barycentric weights for a predetermined barycentric coordinate system associated with vertices that each represents a subframe combination of zero or more subframe identifiers. The system select, using the barycentric weights and threshold values associated with respective dots in a dithering mask, a set of non-overlapping dot patterns from the dithering mask corresponding to the vertices of the barycentric coordinate system. The dots in the dithering mask may satisfy a spatial stacking constraint. The system may generate subframes to represent the frame based on the set of non-overlapping dot patterns and the subframe combination represented by each of the vertices.

Abstract: A projection display system includes a control assembly, an optical path changing device, a light source assembly, a digital micromirror device, and a projection lens. The control assembly is configured to determine whether a resolution of an image to be projected is greater than a preset resolution. If the resolution of the image to be projected is greater than the preset resolution, the control assembly divides the image to be projected into N sub-images, wherein N is greater than or equal to 2. For each sub-image: the control assembly is further configured to determine a first signal, a second signal, and a third signal according to the sub-image, send the first signal to the light source assembly, send the second signal to the digital micromirror device, and send the third signal to the optical path changing device. The projection lens is configured to project the N sub-images at different times.

Abstract: This disclosure describes an artificial reality system that presents artificial reality content in the context of a physical environment that includes a mirror or other reflective surface. In one example, this disclosure describes a method that includes capturing capture data representative of a physical environment, wherein the physical environment includes a reflective surface and a plurality of objects, determining a pose of the HMD, determining a map of the physical environment, wherein the map includes position information about the reflective surface and position information about each of the plurality of physical objects in the physical environment, identifying a visible object from among the plurality of physical objects, and generating artificial reality content associated with the visible object.

Abstract: A modular field device comprising a housing, sensor and an electronics unit arranged in the housing, and comprising a display and/or operating unit that can be releasably connected to the electronics unit, said display and/or operating unit having a radio module for wireless communication with at least one other unit and an internal power supply, particularly a battery or rechargeable battery for at least partially supplying power to the radio module.

Abstract: A filter lens, an LED lamp with the filter lens, and an illumination system, the illumination system comprises an LED lamp with a filter lens, and an illuminated surface. The LED lamp with a filter lens comprises a light-emitting module, a collimating lens, and a filter lens, the filter lens comprises a light incident surface, and a light-emitting surface disposed on an opposite side of the light incident surface. The light incident surface comprises a plurality of irregular slot arranged end to end. Since the illumination system uses the LED lamp with a filter lens, and the filter lens of the LED lamp with the filter lens comprises the above-mentioned irregular slot, to adjust the positional relationship between the LED lamp with a filter lens and the illuminated surface.

Abstract: Systems, methods, and non-transitory computer-readable media can identify a virtual character being presented to a user within a real-time immersive environment. A first animation to be applied to the virtual character is determined. A nonverbal communication animation to be applied to the virtual character simultaneously with the first animation is determined. The virtual character is animated in real-time based on the first animation and the nonverbal communication animation.

Abstract: A color wheel phase detection method and a projector using the same are provided. Firstly, a projector, including a light source, a color wheel, a motor, an indication signal generator and a controller, is provided, wherein the motor drive having n pairs of magnetic polarities drives the color wheel, including n color block groups of the same kind, to rotate, wherein n is a positive integer ?1. Then, the color wheel is driven to rotate by the motor. Then, a light is projected on the n color block groups by the light source. Then, a phase signal having 2n zero-crossing points is generated by the motor. Then, an indication signal including n pulses corresponding to n zero-crossing points is generated by the indication signal generator according to the 2n zero-crossing points. Then, the phase of the color wheel is detected by the controller according to the indication signal.

Abstract: The current invention make a big improvement than conventional market available all kind of LED bulb which only can offer near-by areas illumination not like the current invention can use one LED bulb to offer near-by and far-away illumination or image or both or any combination with other light effects and digital data display images. Also, The current invention may has more than one light beam emit out from LED bulb which under more than one control means for the one of the light beam may selected from power failure, remote control, Infra red controller, blue-tooth with mobile phone, motion sensor to trigger at least one of the light beam to offer the light beam for illumination or image to area(s).

Abstract: A holographic display apparatus capable of steering a location of a viewing window according to a location of an observer is disclosed. The holographic display apparatus includes a light source; a spatial light modulator configured to modulate incident light and thereby reproduce the holographic image; a spatial filter configured to transmit only the holographic image; an eye tracker configured to track a pupil location of an observer; and a controller configured to adjust locations of the light source and the spatial filter in response to a change in the pupil location of the observer received from the eye tracker. The controller is configured to move the light source and the spatial filter simultaneously in the same direction by the same distance.

Abstract: A display apparatus includes a display panel configured to display an image. The display panel has a folding axis extending in a first direction. An optical film is disposed over the display panel. The optical film includes a circular polarizer including at least two phase retarders and one polarizer. Slow axes of each of the at least two phase retarders are located in the same quadrant of four quadrants of the optical film.

Abstract: Provided is an LCD projector. The LCD projector includes including a first LCD (liquid crystal display) light valve module and a second LCD light valve module. The first LCD light valve module simultaneously provides a red field image and blue field image in space, and the second LCD light valve module provides complete green field image. The red field pixel of the first LCD light valve module and the corresponding pixel of the second LCD light valve module coincide in space to generate a yellow image. The blue field pixel of the first LCD light valve module and the corresponding pixel of the second LCD light valve module are coincided in space to generate a cyan image. White and full-color images are reproduced by yellow and cyan lights.

Abstract: A projector includes a light source apparatus, light modulator, projection optical apparatus, exterior enclosure, and heat sink. The light source apparatus includes a substrate having first and second substrate surfaces, light emitters at the side facing the first substrate surface, a frame at the side facing the first substrate surface surrounding the light emitters, and a lid facing the first substrate surface. The light emitters are in an accommodation space formed by the substrate, frame, and lid. The exterior enclosure has a first surface, a second surface that intersects the first surface, and a third surface that intersects the first and second surfaces, and the area of the first surface is greater than the areas of the second and third surfaces. The first or second substrate surface faces the first surface, and the lengthwise direction of the heat dissipation fin extends along the first surface of the exterior enclosure.