Abstract: According to an embodiment disclosed in the present document, an electronic device may include: a lens frame at least partially including a thermally conductive material; a pair of wearable members which can be rotatably coupled to the lens frame; at least one lens disposed in the lens frame; and transparent conductive lines disposed on the lens. The transparent conductive lines may be connected to the thermally conductive material of the lens frame to receive heat transferred from the lens frame. Other various embodiments are possible.

Abstract: A projector includes at least one light source module, at least one light valve module, a projection lens, and at least one heat dissipation structure. The at least one light source module is configured to provide an illumination beam. The at least one light valve module is disposed on a transmission path of the illumination beam and is configured to convert the illumination beam into an image beam. The projection lens is disposed on a transmission path of the image beam and is configured to project the image beam. The at least one heat dissipation structure is connected to the at least one light valve module.

Abstract: An image forming panel device according to the present disclosure includes a panel unit including a first surface and a second surface on the opposite side of the first surface and including a panel configured to emit image light, a first metal frame disposed around an image forming region on at least one of the first surface and the second surface of the panel unit and having thermal conductivity, and a first planar heat generating body provided on a surface on the opposite side of a side where the panel unit is provided in the first metal frame and including a first heat generating wire for supplying heat to the entire periphery of the first metal frame.

Abstract: In an electro-optical device, a temperature detection element is provided on a first substrate having a pixel region, on which a plurality of pixel electrodes are provided, in a position overlapping a light shielding portion that is formed on a second substrate so as to surround the pixel region. Further, the first substrate is provided with an electrostatic protection circuit that includes a semiconductor element and is electrically coupled to the temperature detection element. The semiconductor element is disposed in a position which is farther distanced from the center of the pixel region than the temperature detection element is, and at which a temperature is lower than a temperature at a position in which the temperature detection element is provided.

Abstract: A sound emitting device includes a speaker box, a loudspeaker, a temperature sensor, a central processing unit and a signal amplifier. The speaker box includes a sound hole. The temperature sensor detects a temperature of the sound emitting device and generates a detection signal. The central processing unit pre-stores a default audio signal. When the central processing unit determines that the loudspeaker is in a standby state and the temperature of the sound emitting device exceeds a threshold value, the central processing unit issues the default audio signal. The signal amplifier is connected to and disposed between the central processing unit and the loudspeaker for amplifying the default audio signal and transmitting the amplified default audio signal to the loudspeaker. A vibration diaphragm of the loudspeaker undergoes a vibration action according to the amplified default audio signal.

Abstract: An electronic apparatus includes: a chassis having an inner surface, and an elevation portion provided at one edge of the inner surface and raised to be higher than the inner surface; a display panel having a display surface, and a rear surface supported by the inner surface of the chassis; a bezel provided along an outer periphery of the display surface of the display panel, and supported by the elevation portion of the chassis; and a double-sided adhesive tape capable of being tensile peeled by pulling a tab for tensile peeling operation, and extending from the inner surface to the elevation portion of the chassis, to fix the display panel to the inner surface of the chassis and fix the bezel to the elevation portion of the chassis.

Abstract: Provided is an illumination device that makes it possible to enhance utilization efficiency of light, and a display device that includes the illumination device. The illumination device includes: a light source that is configured to generate light of a first wavelength; a luminescent body that is configured to wavelength-convert the light of the first wavelength to light of a second wavelength, the second wavelength being different from the first wavelength; and a wavelength selective filter that is provided on a light-incident side of the luminescent body, the wavelength selective filter being configured to transmit the light of the first wavelength and to reflect the light of the second wavelength.

Abstract: The embodiments of the present disclosure provide a display module and a method of manufacturing the same, a display apparatus, and a polarizer for a display module. The display module includes a display panel and a component to be bonded. The display panel has a light exit surface and a back surface that are opposite to each other. The component to be bonded includes a layer to be bonded and at least one thermal adhesive film. The at least one thermal adhesive film is fixed to one of the light exit surface and the back surface of the display panel.

Abstract: The invention provides an optical engine module and a projector including the optical engine module. The optical engine module includes a casing, a light valve, a prism assembly and a fan assembly. The casing has an assembly port. The light valve is disposed at the assembly port and defines an accommodating space with the casing. The prism assembly is disposed in the accommodating space, and the light valve is configured to convert an illumination beam from the prism assembly into an image beam. The prism assembly includes a first region and a second region. The first region includes a light incident surface of the prism assembly, and a temperature of the second region is higher than a temperature of the first region. The fan assembly is disposed in the accommodating space. Airflow provided by the fan assembly circulates in the accommodating space.

Abstract: The disclosure relates a direct type backlight unit, and provides a backlight unit capable of reducing the thickness by maintaining necessary and sufficient optical characteristics and reducing the optical distance (OD), and a liquid crystal display apparatus including the same. Provided is a backlight unit including: light source; a diffusion plate provided to diffuse light emitted from the light source; and an optical sheet disposed between the light source and the diffusion plate and having a plurality of protrusions having a pyramidal shape and the plurality of protrusions protrude toward the light source so that light emitted from the light source is incident onto the plurality of protrusions.

Abstract: A liquid crystal display panel is provided, which includes a color filter substrate including an array of red, green, blue, and white color resistances. An array substrate disposed opposite to the color film substrate. The array substrate includes a plurality of data lines and a plurality of gate lines vertically arranged, the data lines and the gate lines divide the array substrate into a plurality of sub-pixel areas. A liquid crystal layer disposed between the array substrate and the color filter substrate. The white sub-pixel area is provided with a heating layer for heating the liquid crystal layer, which solves the problem that the liquid crystal display panel exhibits undesirable phenomena such as smear due to abnormal liquid crystal state when operating in a low-temperature environment.

Abstract: In an electro-optical device, a temperature detection element is provided on a first substrate having a pixel region, on which a plurality of pixel electrodes are provided, in a position overlapping a light shielding portion that is formed on a second substrate so as to surround the pixel region. Further, the first substrate is provided with an electrostatic protection circuit that includes a semiconductor element and is electrically coupled to the temperature detection element. The semiconductor element is disposed in a position which is farther distanced from the center of the pixel region than the temperature detection element is, and at which a temperature is lower than a temperature at a position in which the temperature detection element is provided.

Abstract: An electronic device including a pair of substrates, a sealant, and a heating unit is provided. Each of the pair of substrates includes a peripheral area and an active area, and each of the peripheral areas are adjacent to an edge of a corresponding one of the pair of substrates. The sealant is disposed between the pair of substrates. The heating unit is disposed on one of the pair of substrates and comprising a first portion disposed in the peripheral area of the one of the pair of substrates and adjacent to an edge of the one of the pair of substrates, a third portion disposed in the active area, and a second portion connecting the first portion and the third portion. The resistance of the first portion is less than a resistance of the third portion. Therefore, the electronic device may have improved heating efficiency.

Abstract: In a liquid crystal projector, in a first liquid crystal panel corresponding to a first color, a gray scale level specified by video data specifies a first value in a first field, and a second value in a second field subsequent to the first field, and in a second liquid crystal panel corresponding to a second color, a gray scale level specified by the video data specifies the first value in the first field, and the second value in the second field. When optical responsiveness of the first liquid crystal panel is better than optical responsiveness of the second liquid crystal panel, in the second field, a liquid crystal voltage applied to the first liquid crystal panel is smaller than a liquid crystal voltage applied to the second liquid crystal panel.

Abstract: A display device includes: a display panel including a flat area and a bended area which extends bent from the flat area; and a cover panel comprises a heat dissipation member. The heat dissipation member includes: a flat portion corresponding to the flat area of the display panel, a bent portion corresponding to the bended area of the display panel, a first opening in the flat portion, and a second opening in the bent portion.

Abstract: The present disclosure provides a backlight module and a display apparatus. In one embodiment, the backlight module includes: a frame body defining a cavity therein and having an opening communicated with the cavity; and a light strip disposed at the opening of the frame body and detachably connected to the frame body, wherein the light strip comprises a lamp bead that is disposed toward the cavity through the opening.

Abstract: Disclosed is an optical-filter-cell-array structure and a method of manufacturing the same. An optical filter which includes an optical filter layer for blocking light of a specific wavelength formed on an upper side or a lower side of a tempered glass substrate is provided in the form of a cell array. The method includes forming a sheet-cutting part according to the form of a cell array on a mother glass substrate, tempering the mother glass substrate so that a lateral side of the mother glass substrate is tempered through the sheet-cutting part while an upper side and a lower side of the mother glass substrate are tempered, and forming an optical filter layer on the upper side or the lower side of the mother glass substrate.

Abstract: An inexpensive system for maintaining an LCD display above an operative temperature includes ultraviolet (UV) light-emitting diodes (LEDs) incorporated into a backlight structure. The UV LEDs operate in a frequency range sufficiently removed from the visible band to not interfere with the user. A temperature sensor continuously or periodically monitors the temperature of the LCD and activates the UV LEDs to maintain the LCD in a predetermined temperature range for a desired response time.

Abstract: A projector light valve module with a liquid lens includes: a structural support, an LCD light valve, and an incident lens, wherein the incident lens is connected to a first end of the structural support; a first cavity is sealed and is formed by the incident lens, the structural support and the LCD light valve, and the first cavity is filled with transparent cooling liquid; similarly, the emergent lens is connected to a second end of the structural support, to form a second cavity and a second liquid lens. The present invention combines heat dissipation and optics, and provides more efficient lighting and better imaging quality through optical and heat dissipation effects of the first and second liquid lenses, thereby achieving better heat dissipation, and better user experience and satisfaction.

Abstract: A back plate includes a base plate, a plurality of connecting plates and a plurality of support plates. The base plate has a first surface. The plurality of connecting plates are fixed to at least two edges of the base plate, and each connecting plate extends along a direction substantially perpendicular to the first surface. Each support plate is fixed to an end of a respective one of the plurality of connecting plates away from the base plate, and is substantially parallel to the first surface.

Abstract: A display device includes a backlight module. The backlight module includes a bezel defining a light source space and having a first portion and a second portion, the first portion disposed on one side of the light source space and having a groove, the second portion disposed on one side of the first portion away from the light source space and covering the groove, a light source unit disposed on the bezel and partially located in the light source space, and a first optical film having a first ear portion, the first optical film disposed over the light source unit and the first ear portion received in the groove.

Abstract: A component assembly that includes a connection between two components, in particular an electronic circuit board and a housing. The connection includes a pin-shaped connector via which the electronic circuit board is held on the housing, and the pin-shaped connector in a passage of the housing being connected to the housing via a housing caulking. The pin-shaped connector, in the area of the housing caulking, includes a recess that cooperates with the housing caulking in such a way that the pin-shaped connecting means is held in the passage.

Abstract: The present disclosure relates to a display device, which may include a case having a front surface on which a display screen is displayed, a rear surface opposite to the front surface, a top surface connecting upper ends of the front surface and the rear surface, and a bottom surface opposite to the top surface, a display panel accommodated in the case, a heat exchanger mounted inside the case and configured to cause heat exchange between internal air circulating along front and rear surfaces of the display panel and external air introduced from outside of the case, and a suction fan mounted inside the case and configured to suck the external air into a lower portion of the heat exchanger.

Abstract: A heat receiver is configured to cool down a liquid crystal panel in a rectangular shape used for a liquid crystal projector that causes light to be transmitted through the liquid crystal panel and thereby displays a projected image. The heat receiver includes a window portion in a rectangular shape formed to come into contact with an outer periphery of the liquid crystal panel; a flat annular flow path formed on an outer circumferential side of the window portion to surround the window portion and configured to have a narrowed portion in a region along one side of the window portion; and two supply discharge flow paths formed in a neighborhood of two corners of the window portion arranged across the narrowed portion to supply and discharge a heat exchange medium.

Abstract: A projector includes a light source, a light modulation device configured to modulate light emitted from the light source, a polarization element arranged to one of a light incident side and a light exiting side of the light modulation device, a projection device configured to project the light modulated by the light modulation device, a casing in which the polarization element is arranged and whose inside is filled with a cooling liquid, and a circulation device configured to circulate the cooling liquid in the casing onto the polarization element. The cooling liquid circulates along a first direction on the light incident side of the polarization element. The cooling liquid circulates along a second direction opposite to the first direction on the light exiting side of the polarization element.

Abstract: The present invention provides a panel capable of switching between a state transparent to external light, a point light emitting state, and a surface light emitting state. Provided is a transparent panel provided with light emitting function, including: an LED die; a light transmitting substrate for LED, on which the LED die is mounted; a wiring pattern provided on a surface of the light transmitting substrate for LED and bonded to the LED die; and a light diffusing panel laminated on the light transmitting substrate for LED. The light diffusing panel includes: a pair of light transmitting substrates for liquid crystal; a liquid crystal layer sandwiched between the pair of light transmitting substrates for liquid crystal; and transparent conductive films disposed on the light transmitting substrates for liquid crystal, and is switchable between a transparent state and a light diffusion state.

Abstract: A fully sealed liquid crystal projection optical unit device with a high-efficiency heat dissipation function includes: a hermetically sealed housing having an accommodation space therein; a light source, a first heat pipe radiator module, a first heat dissipation fan and a second heat dissipation fan, which are disposed outside the hermetically sealed housing; a first optical module, a second optical module and a liquid crystal screen, which are installed in the hermetically sealed housing; and a second heat pipe radiator module and a driving fan, wherein the first heat dissipation fin is fixedly installed outside the hermetically sealed housing and located close to the second heat dissipation fan, the second heat dissipation fan is in communication with the first heat dissipation fin through an air duct, and the first heat dissipation fin is in communication with the second heat dissipation fin directly or through the heat pipe.

Abstract: A luminaire includes (i) light-emitting elements (LEEs), (ii) couplers to receive light from the LEEs and to redirect the received light, and (iii) a light guide including input and output ends and a pair of opposing surfaces both extending along an axis of the light guide. The light guide receives light from the couplers at the input end and guides light along the axis to the output end. The luminaire includes (iv) a diffuser adjacent the light guide to diffuse at least a portion of the light output by the light guide, and (v) a reflector to receive the light emitted from the output end of the light guide, such that light output by the light guide without impinging on the diffuser impinges on only one of the surfaces of the reflector. When operated, the luminaire outputs light within first and second output angular ranges.

Abstract: The present disclosure provides a backlight module and liquid crystal display device, comprising: a plastic frame; a reflector sheet; a light-guiding plate; a light source assembly; and a heat-dissipating member disposed at bottom of the reflector sheet and extending along a side surface of the reflector sheet to the edge of the liquid crystal panel so as to bond the backlight module to the liquid crystal panel, wherein the heat-dissipating member is fixedly bonded to the edge of the liquid crystal panel.

Abstract: Disclosed is a display device with a capacitive touch panel including a laminate between a display panel and a cover layer, the laminate having a viewing-side polarizing plate; a first conductive layer, a dielectric layer and a second conductive layer constituting a capacitive touch sensor; and a substrate, in which the first conductive layer, dielectric layer, second conductive layer, and substrate are positioned closer to the cover layer than is the viewing-side polarizing plate, the first conductive layer is formed on one surface of the to substrate, the dielectric layer is formed on a surface of the first conductive layer opposite to the substrate side, the second conductive layer is formed on a surface of the dielectric layer opposite to the first conductive layer side, the substrate has an optical film with a phase difference of (2n?1)?/4, where n is a positive integer, the viewing-side polarizing plate has a polarizing film, and a slow axis of the optical film intersects a transmission axis of the pola

Abstract: An electromagnetic shielding module and a display device are disclosed. The electromagnetic shielding module includes an electromagnetic shielding film and a temperature adjusting circuit, and the temperature adjusting circuit is configured for adjusting a temperature of the electromagnetic shielding film.

Abstract: A display device, an electronic device, or a lighting device that is unlikely to be broken is provided. A flexible first substrate and a flexible second substrate overlap with each other with a display element provided therebetween. A flexible third substrate is bonded on the outer surface of the first substrate, and a flexible fourth substrate is bonded on the outer surface of the second substrate. The third substrate is formed using a material softer than the first substrate, and the fourth substrate is formed using a material softer than the second substrate.

Abstract: A back light (200) is provided with: a back chassis (7) that has a bottom plate (40) in which a plurality of through-holes (41) are formed; a substrate (3) that has a surface on which a plurality of LEDs (2) are mounted and that is held by the bottom plate (40) outside a casing (13) so that the optical axes of the LEDs (2) overlap the respective through-holes (41); and a light transmissive plate-like member (6) that is superimposed on the bottom plate (40) from the inside of the casing (13) so as to close the through-holes (41). Thus, provided is an illumination apparatus (200) in which temperature increase inside the casing (13) is suppressed.

Abstract: Touch sensor panels typically include a plurality of layers that can be stacked on top of each other. When the touch sensor panel is used in a bright environment, incident light can hit the interfaces between those layers of the stackup having mismatched refractive indices and can reflect off those interfaces. The light reflected from those interfaces can give rise to the appearance of fringes on the touch sensor panel, which can be visually distracting. In order to reduce the appearance of these fringes, embodiments of the disclosure are directed to the addition of an index matching passivation layer between a conductive layer of traces and an adhesive layer in the touch sensor panel stackup.

Abstract: The present disclosure discloses a display device and a mechanism thereof, the wall-mounted heat dissipation mechanism includes: a heat dissipation plate including a longitudinal plate and a transverse plate bended to each other, a LED light bar attached to an inner surface of the longitudinal plate, the transverse plate is arranged opposite to a back surface of the light guide plate; a hanger including a first hanger fixed on a hanging wall and two second hangers respectively fixed on two ends of the first hanger at intervals, the second hanger is configured to detachably connect with the heat dissipation plate; and a heat dissipation mechanism fixed on the first hanger and disposed between the two second hangers, the heat dissipation mechanism being in surface contact with a back surface of the heat dissipation plate. The bulky part of the mechanism is integrated into the hanger structure of the display device.

Abstract: The present invention provides a heat dissipation system for use with a liquid crystal television and a liquid crystal television. The heat dissipation system for use with a liquid crystal television is structured such that a heat spreader (4) having high thermal conductivity is adhesively mounted to a shaped heat-dissipating member (1) and is operated in combination with heat-dissipating fins (5) and fans (6), wherein the heat spreader (4) functions as a core heat transfer medium in the entire heat dissipation system to help greatly reduce a temperature gradient and to remove heat from an LED light bar (2) in a quick, massive, and efficient manner so as to prevent the LED light bar (2) from burning down or shortening of service life due to excessive high temperature. Further, due to the arrangement of the heat spreader (4), the size of the shaped heat-dissipating member (1) can be reduced thereby helping thinning of the liquid crystal television.

Abstract: A display device includes a light source, an optical system, a liquid crystal panel, and a first heat sink. The optical system converts light emitted from the light source into irradiation light that is to be an irradiation area having a predetermined width. The liquid crystal panel receives the irradiation light. The first heat sink includes an opening through which the irradiation light passes, and supports the liquid crystal panel. The first heat sink is in contact with the liquid crystal panel.

Abstract: An outdoor display apparatus more particularly, to an outdoor display apparatus having a cooling structure. An outdoor display apparatus comprising: a case provided with an inlet and an outlet; a display module disposed inside of the case and provided with a display panel on which an image is displayed; and a heat exchanger configured to perform a heat-exchange by receiving heat from the display module; wherein the heat exchanger comprises a first cooling flow path configured to circulate air around the display module in a first direction; and a second cooling flow path configured to allow air to be introduced from the outside, to perform a heat-exchange with the air in the first cooling flow path, and to be discharged in a second direction.

Abstract: A curved display device includes a display panel which displays images using a light, the display panel curved along a first direction, a backlight unit which generates and provides the light to the display panel, and an accommodating member including a bottom portion and sidewalls which extend from the bottom portion to define a space in which the backlight unit is disposed. The backlight unit includes a plurality of light sources which generates and emits the light, and a circuit pattern film including a circuit pattern which electrically connects the light sources to each other. The circuit pattern film is attached to a first sidewall among the sidewalls of the accommodating member.

Abstract: A housing for an electronic device, comprising a transparent plate, comprising a first side; a conducting layer, formed on the first side of the transparent plate, for shielding electromagnetic interference generated by the electronic device; and a temperature dependent color-changing layer, formed on the first side of the transparent plate.

Abstract: An outdoor display screen includes a housing, a display screen, a control module, a heat dissipation module, and a power supply component. A first cavity and a second cavity are disposed on the housing. The display screen, the control module, and the power supply component are mounted in the first cavity, and the heat dissipation module is mounted in the second cavity. A cable-through hole is disposed on the housing. An air exhaust vent connected to an air intake vent of an internal circulation path and an air intake vent connected to an air exhaust vent of the internal circulation path are disposed in the first cavity to form an internal circulation heat-dissipation air duct. An air intake vent and an air exhaust vent are disposed in the second cavity to form an external circulation heat-dissipation air duct.

Abstract: A system and method for mounting an electronic display is disclosed herein. A rear cover mounting bracket may contain a rear plate and a sidewall which surrounds a perimeter of the plate. A plurality of mounting holes may be placed within the plate to allow fastening the rear plate to a vertical surface. An electronic display assembly module may contain a thermal plate where the attachment of the rear cover mounting bracket to the module creates a plenum which can house one or more electronic components. In a preferred embodiment, the rear plate contains a pair of hooks and the module contains a pair of corresponding cylinders which can be engaged with the hooks so that the module can hang from the hooks.

Abstract: A luminaire includes (i) light-emitting elements (LEEs), (ii) couplers to receive light from the LEEs and to redirect the received light, and (iii) a light guide including input and output ends and a pair of opposing surfaces both extending along an axis of the light guide. The light guide receives light from the couplers at the input end and guides light along the axis to the output end. The luminaire includes (iv) a diffuser adjacent the light guide to diffuse at least a portion of the light output by the light guide, and (v) a reflector to receive the light emitted from the output end of the light guide, such that light output by the light guide without impinging on the diffuser impinges on only one of the surfaces of the reflector. When operated, the luminaire outputs light within first and second output angular ranges.

Abstract: A head up display system for a vehicle includes an image projection device disposed in the vehicle and having a biaxial microelectromechanical scanner and at least one light source operable to emit light. Light emitted by the at least one light source is projected by the biaxial microelectromechanical scanner towards a windshield of the vehicle so as to form an image that is viewable by a driver of the vehicle viewing the windshield when driving the vehicle. The image projection device is disposed at one of (i) an accessory module disposed in the vehicle, (ii) an interior rearview mirror assembly disposed in the vehicle, and (iii) a dashboard of the vehicle.

Abstract: A display apparatus according to an embodiment of the present invention includes: a display panel to display an image on a front surface thereof; a light guide plate being configured such that an upper surface thereof faces a rear surface of the display panel; an optical sheet being located between the display panel and the light guide plate, and having first and second sides parallel to each other and third and fourth sides perpendicular to the first and second sides; a panel support portion including a frame that has a first surface being in contact with the upper surface of the light guide plate and a second surface supporting a peripheral edge of the rear surface of the display panel; and a sheet support portion protruding from the frame of the panel support portion into a gap between the light guide plate and the optical sheet, wherein the sheet support portion has a protruding portion that holds at least one portion of the first side of the optical sheet between the protruding portion itself and the dis

Abstract: Disclosed herein is an electronic display assembly including a backlight that is positioned to illuminate a liquid crystal display, and a novel cooling mechanism in the form of a thermal plate that is located and configured to transfer heat from the backlight to a thermally conductive housing of the electronic display assembly. The thermal plate is preferably placed in conductive thermal communication with the backlight and with the thermally conductive housing for this purpose. One or more air flow apertures may pass through the thermal plate. A convective cooling loop may also be provided, which cooling loop may include a fan that is located to move cooling air over the thermal plate and/or though one or more apertures in the thermal plate. Both a top and bottom thermal plate may be employed in some exemplary embodiments.

Abstract: A liquid crystal device includes a vacuum insulating structure, a liquid crystal panel and a control circuit board. The vacuum insulating structure includes a first glass sheet, a second glass sheet, and a sealant. The sealant is attached between the first glass sheet and the second glass sheet for forming a vacuum space cooperatively with the first glass sheet and the second glass sheet by a vacuum pumping process. The liquid crystal panel is disposed in the vacuum space. The control circuit board is electrically connected to the liquid crystal panel for controlling the liquid crystal panel.

Abstract: A radiation detector and a method of operating the radiation detector. The radiation detector includes: a photoconductive layer between the array substrate and the counter electrode and having a particle-in-binder (PIB) structure in which a photoconductive particle and a binder are mixed; and an optical unit for providing light energy to the photoconductive layer to detrap a charge trapped in an interface between the photoconductive particle and the binder. The light energy includes ultraviolet rays and/or visible rays.

Abstract: An optical modulator (12) for speckle suppression in a laser projection system includes a first planar transparent conductor (20); a second optionally transparent planar conductor (26); a diffusing element (22) disposed between the first and second conductor; and an alternating voltage applied across the first and second conductors creates in-plane movement or distortion in the diffusing element to reduce laser speckle.

Abstract: An image display device includes an image forming unit and a light guide unit. The light guide unit includes a light guide plate and a housing member. The light guide plate is configured to guide light of an image formed in the image forming unit. The housing member is configured to house the light guide plate. The housing member includes a first cover member, a second cover member, and an attachment member. The second cover member is attached to the first cover member. The attachment member is configured to attach the light guide plate to a housing unit that is surrounded by the first cover member and the second cover member.