Abstract: According to one embodiment, in an illumination device, a second light guide includes a plurality of fourth projecting portions provided in a first area of a fifth main surface opposing a prism sheet, a plurality of fifth projecting portions provided in a second area of a fifth main surface, and a plurality of sixth projecting portions on a sixth main surface opposing the fifth main surface, cross-sectional shapes of the fourth projecting portions and the fifth projecting portions are scalene triangles, and the fourth projecting portions and the fifth projecting portions are arranged in respective positions line-symmetrical position with respect to each other in plan view.

Abstract: A display device includes a display region in which a plurality of pixels are arranged two-dimensionally. Each of the plurality of pixels includes a light-emitting layer and an optical member that refracts light from the light-emitting layer. In an orthographic projection of a first optical member included in a first pixel with respect to the light-emitting layer, a position of an apex of the first optical member and a position of a center of the first optical member are separated by a first distance.

Abstract: A display apparatus includes: a liquid crystal panel configured to display an image; a light guide plate provided behind the liquid crystal panel in a first direction; a light source module adjacent to a side surface of the light guide plate, the light source module including a plurality of light sources arranged in a second direction perpendicular to the first direction and configured to emit light toward the side surface of the light guide plate; a rear chassis provided behind the light guide plate in the first direction; and a heat dissipation member coupled to the rear chassis and configured to dissipate heat generated by the light source module, wherein the heat dissipation member may include: a first heat dissipation member contacting the light source module; and a second heat dissipation member spaced apart from the first heat dissipation member by a gap in a third direction perpendicular to the first direction and the second direction.

Abstract: A backlight module. The backlight module includes a backplane, a backlight light source, a first light conversion layer, and a first light leveling layer. The backplane includes a receiving space, and the backlight light source is fixed on a first inner surface of the receiving space. The first light conversion layer is positioned on the light emitting side of the backlight light source, and there is a first distance between the first light conversion layer and a second inner surface of the receiving space. The first inner surface and the second inner surface intersect to form a right angle. The first light leveling layer is positioned on the side of the first light conversion layer away from an outer surface of the backlight light source.

Abstract: A light source module and a display device are provided. The light source module includes a light source, a light guide plate, and an optical film set including multiple first optical microstructures having a first surface, multiple second optical microstructures having a second surface, and multiple third optical microstructures having a third surface. Each of the multiple first optical microstructures has a first vertex angle, each of the multiple second optical microstructures has a second vertex angle, and each of the multiple third optical microstructures has a third vertex angle. The third vertex angle is less than the first vertex angle, and the first vertex angle is less than or equal to the second vertex angle. By configuring the aforementioned optical microstructures, the light source module of the disclosure may greatly improve the collimation of light and has favorable luminance.

Abstract: An illumination system can produce a dynamically variable illumination pattern. The illumination system can include a light guide. The illumination system can include projection optics, which can contribute to the illumination pattern at relatively low beam angles (i.e., beam angles formed with respect to a surface normal of the light guide). The projection optics can include individually addressable light-producing elements that can direct light through one or more focusing elements. A controller can control which of the light-producing elements are electrically powered and can therefore control the illumination pattern contribution from the projection optics. The illumination system can also include scattering optics, which can contribute to the illumination pattern at relatively high beam angles. The scattering optics can direct light out of the light guide over a relatively large surface area, which can help reduce glare when the light guide is viewed directly.

Abstract: A display device includes a first backlight, a viewing angle control assembly disposed on the first backlight, a second backlight disposed on the viewing angle control assembly, and a display panel disposed on the second backlight. In a security mode, only the first backlight may be operable with the viewing angle control assembly having light blocking areas that limit light transmission to the display panel to within a predetermined range to limit a viewing angle of images displayed on the display panel. In a sharing mode, the second backlight is operated and the viewing angle control assembly does not limit light transmission, thus widening the viewing angle of images on the display panel. The display device may also include an anti-condensation layer on the second backlight to improve durability in high temperature and high humidity environments.

Abstract: A microLED may be used to generate light for intra-chip or inter-chip communications. The microLED, or an active layer of the microLED, may be embedded in a waveguide. The waveguide may include a lens.

Abstract: The invention provides a reflector (2) comprising a reflector wall (20), the reflector wall (20) comprising a first wall surface (22) and a second wall surface (23) defining said reflector wall (20), the reflector wall (20) comprising a light transmissive material (21), wherein the reflector wall (20) has a first dimension (d1) and a second dimension (d2) defining a first reflector wall area, wherein each wall surface (22,23) comprises a plurality of parallel arranged elongated corrugations (210), wherein the corrugations have corrugation heights (h2) relative to recesses (220) between adjacent corrugations (210) and corrugation widths (w2) defined by the distance between adjacent recesses (220) at the respective wall surfaces (22,23), wherein the corrugations (210) have curved corrugation surfaces (230) between said adjacent recesses (220) having corrugation radii (r2) at the respective wall surfaces (22,23), and wherein over at least part of one of the first dimension (d1) and the second dimension (d2) one

Abstract: Provided is an optical unit and a display device capable of suppressing the occurrence of stray light by suppressing the incidence of light onto a peripheral region of a panel. In the optical unit, a first panel, a second panel, and a third panel are arranged to face a dichroic prism. A first light-emitting element is provided in a display region of the first panel, the second panel, and the third panel, and metal wiring is provided in a peripheral region. Here, a light shielding layer is provided between the dichroic prism and the peripheral region of each of the first panel, the second panel, and the third panel. Thus, even when a part of color light that should be reflected passes through a dichroic mirror, the leaked light is absorbed by the light shielding layer.

Abstract: Optical films are disclosed. More particularly, optical films including a collimating reflective polarizer are disclosed. The optical films are useful in backlights, and in particular backlight recycling cavities. Constructions suitable with both edge-lit and direct-lit backlights are disclosed.

Abstract: An illumination system can produce a dynamically variable illumination pattern. The illumination system can include a light guide. The illumination system can include projection optics, which can contribute to the illumination pattern at relatively low beam angles (i.e., beam angles formed with respect to a surface normal of the light guide). The projection optics can include individually addressable light-producing elements that can direct light through one or more focusing elements. A controller can control which of the light-producing elements are electrically powered and can therefore control the illumination pattern contribution from the projection optics. The illumination system can also include scattering optics, which can contribute to the illumination pattern at relatively high beam angles. The scattering optics can direct light out of the light guide over a relatively large surface area, which can help reduce glare when the light guide is viewed directly.

Abstract: A nanovoided spacer material that is used as a mechanical buffer between at least two optical components. The optical components may include gratings (e.g., Bragg gratings, moth-eye surfaces, etc.) having sensitive and fragile surfaces (e.g., patterned surfaces). The nanovoided spacers may have a predetermined thickness and concentration of nanovoids to provide a given optical property (e.g., a reflection coefficient at an interface between two optical elements). The nanovoided spacer may include a multilayer structure (e.g., two or more layers) of varying refractive index (e.g., to reduce reflections between surfaces of the optical elements). The nanovoided spacer may include from about 10% to 90% nanovoids by volume and may have an average index of refraction of about 1.15. Various other methods, systems, apparatuses, and materials are also disclosed.

Abstract: A microLED may be used to generate light for intra-chip or inter-chip communications. The microLED, or an active layer of the microLED, may be embedded in a waveguide. The waveguide may include a lens.

Abstract: The present disclosure provides a backlight module and a display device. The backlight module includes: a back plate including a bottom wall and a side wall coupled thereto, with the bottom wall and the side wall defining an accommodating space; a light guide plate disposed in the accommodating space and including: a light outgoing surface disposed away from the bottom wall, a bottom surface disposed toward the bottom wall, and a light incident surface coupled between the light outgoing face and the bottom face; a light source disposed in the accommodating space and configured to emit light toward the light incident surface; and a composite film located on a side of the light guide plate away from the bottom wall and including a diffuser sheet and a plurality of prism sheets combined together and sequentially arranged in a direction away from the light guide plate.

Abstract: The invention relates to an illumination device for a motor vehicle headlight, said illumination device comprising the following: —multiple light sources (10) which are designed to emit light beams in a main emission direction, —a primary optical system (100) having multiple light-guiding elements (110), said light-guiding elements (110) being arranged in the main emission direction of the light sources (10) and each having a light entry face (120) into which the light beams of the light sources can be fed, and a light exit face (130), the light-guiding elements (110) opening into a common light exit face (130), and—a holder (200) which is designed to hold the light entry faces (120) of the light-guiding elements (110) in position in relation to the light sources (10), the holder (200) having at least one latching element (210) formed with a latching tab (220) to fasten the primary optical system (100), the latching tab (220) being designed to engage in an undercut (140) associated with the latching tab (220)

Abstract: The present invention provides an optical sheet for a light guide plate type liquid crystal display, including a low refractive index layer having an extremely low refractive index. The optical sheet A12 for a light guide plate type liquid crystal display (1000) according to the present invention includes a first optical film (light guide plate) (1010), a low refractive index layer (20), and a second optical film (reflection plate) (1020) laminated in this order, and the low refractive index layer (20) has a refractive index of 1.25 or less.

Abstract: A backlight unit and a holographic display apparatus including the same are provided. The backlight unit includes a light guide plate and a uniformity changing element. The uniformity changing element has a light-incident surface and a light-exiting surface facing the light-incident surface, and the uniformity changing element receives the light output from the light guide plate through the light-incident surface, changes uniformity of the received light from the light guide plate and outputs the received light with the change in the uniformity of the received light through the light-exiting surface.

Abstract: A display device comprises a liquid crystal panel, an optical sheet under the liquid crystal panel, and a light emitting diode (LED) assembly configured to supply a light to the liquid crystal panel through the optical sheet. The LED assembly includes a printed circuit board (PCB), a plurality of LED chips on the PCB and configured to emit a blue colored light, a fluorescent lens over the plurality of LED chips, and a light guiding panel between an adjacent two of the plurality of LED chips.

Abstract: An overlay surface for a user interface of a device comprises a lower light-diffusing semitransparent layer affixed to an upper transparent layer. Graphics printed on the bottom surface of the transparent layer are protected from wear by the overlying transparent layer, while light sources back-illuminating the graphics from below are diffused by the semitransparent layer before they reach the graphics. The graphics of the surface may be provided by an opaque mask having transparent or translucent cutouts. The multilayer surface enables the graphics to be evenly back-illuminated while at the same time being protected from external wear without the need for additional light-diffusing elements such as light pipes.

Abstract: An illumination system can produce a dynamically variable illumination pattern. The illumination system can include a light guide. The illumination system can include projection optics, which can contribute to the illumination pattern at relatively low beam angles (i.e., beam angles formed with respect to a surface normal of the light guide). The projection optics can include individually addressable light-producing elements that can direct light through one or more focusing elements. A controller can control which of the light-producing elements are electrically powered and can therefore control the illumination pattern contribution from the projection optics. The illumination system can also include scattering optics, which can contribute to the illumination pattern at relatively high beam angles. The scattering optics can direct light out of the light guide over a relatively large surface area, which can help reduce glare when the light guide is viewed directly.

Abstract: A multi-angle colorimeter includes an index calculation unit that calculates, based on a predetermined calculation formula, an index corresponding to luminance of a glittering material used in metallic coating or pearl coating by using optical parameters for color evaluation of the metallic coating or pearl coating on a surface of an object.

Abstract: A display device and method, a head-up display system, a means of transportation and a storage medium are disclosed. The display device includes a display module, an image analysis device and a controller. The display module includes a plurality of display subareas, and each of the display subareas includes at least one display pixel; the image analysis device is configured to perform an analysis of an input image received by the image analysis device, so as to obtain an information zone of the input image and a non-information zone outside the information zone; and the controller is configured to render brightness of a display pixel, with a lowest brightness in a first region, in the first region of the display module higher than brightness of any display pixel in at least part of a second region of the display module, when the display module displays the input image.

Abstract: A light guide plate (LGP) and a light source module are provided. The LGP includes a plate body, first microstructures and second microstructures. The plate body has a first light incident surface, a second light incident surface adjacent to the first light incident surface and a first surface connected thereto. The first microstructures are located on the first surface, and each has a first optical surface facing the first light incident surface. Two sides of each first microstructure respectively have a first edge portion. One of the first edge portions faces and is inclined relative to the second light incident surface, and there is a first included angle between the first edge portion facing the second light incident surface and the first surface. The second microstructures are located on the first surface, and each second microstructure has a second optical surface facing the second light incident surface.

Abstract: A display panel includes a first light source, a second light source having a color different from a color of the first light source, a light guide plate converting a point light source generated by the first light source and the second light source into a surface light source, a diffuser plate positioned on an upper portion of the light guide plate and diffusing the surface light source emitted by the light guide plate, and a frame supporting the light guide plate and the diffuser plate and including a protrusion protruded between the diffuser plate and the light guide plate.

Abstract: An assembly structure includes a first assembly member, a second assembly member and a retaining member. The first assembly member includes a plurality of protruding portions and each of the protruding portions has a recess. The second assembly member includes a plurality of restraining portions. The restraining portions are disposed with respect to the protruding portions by a plurality of relative offsets and the relative offsets are different from each other. Each of the restraining portions is capable of passing through the recess of the protruding portion correspondingly. The retaining member is disposed on one of the protruding portions and covers the recess correspondingly. When the second assembly member is assembled to the first assembly member, one of the restraining portions abuts against the retaining member.

Abstract: Light emitting panel assemblies and panel members for light emitting panel assemblies are provided. In some embodiments, a light source can be positioned to provide light to the panel member at an input area along a primary surface of the panel member without requiring light to be input from an edge surface of the panel member. Light emitted into the panel member can be refracted, reflected, diffused, and/or transmitted from the panel member based on the refractive, reflective, and other optical properties of the panel member to provide a desired light output, such as a uniform light output along at least a portion of the primary surfaces of the panel member. In some embodiments, the light emitting assembly can include surface coatings, treatments, reflectors, and/or materials to manage the refraction, reflection, diffused and/or transmitted of light in the panel member.

Abstract: The present invention relates to a display panel and a display device. On the one hand, the display panel disposes a groove, which forms on one side of a packaging layer of a display area away from a substrate, and extends downward to one side of an antireflective film facing a thin film transistor layer; and a camera is disposed on one side of the substrate away from the thin film transistor layer and is corresponding the groove, thereby reducing process flow, improving productivity and yield, and realizing a full screen. On the other hand, the present invention also adds an antireflective film to improve the light transmittance at the groove and avoid the phenomenon that the camera is difficult to image.

Abstract: An electronic device includes a device body, a screen, and a photo-sensing module. The screen is mounted on a front side of the device body. The photo-sensing module includes a light emitter and a light receiver. The light emitter is arranged obliquely relative to the screen, and a direction of the emitted light from the light emitter is tilted towards the side with the screen relative to the device body.

Abstract: A planar illumination device according to an embodiment includes a light guide plate, an attenuation element, and a plurality of light sources. The light guide plate has a light-emitting surface that is a main surface through which light is emitted and a light-receiving side surface that is a side surface intersecting with the light-emitting surface and receives the light. The attenuation element attenuates the light entering through the light-receiving side surface. The light sources face the light-receiving side surface of the light guide plate and are arranged in parallel with one another at certain intervals. One of the intervals closer to the attenuation element is smaller than another of the intervals distanced from the attenuation element.

Abstract: Provided is a backlight unit (2) including a light source (4) where multiple light-emitting elements (8) are two-dimensionally laid out, and a wavelength converting member (6) that has a phosphor (12), and that converts a wavelength of light from the light source, where a wavelength conversion capability varies in accordance with a distance to a light-emitting element that is closest of the multiple light-emitting elements, in order to reduce color unevenness that occurs depending on difference in distance between the light source and wavelength converting member of the backlight unit.

Abstract: A light-emitting device package includes a first lead frame; a second lead frame separated from the first lead frame in a first direction; a package body having a cavity exposing a portion of the second lead frame. Further, the cavity includes an inclined inner surface inclining with respect to an upper surface of the second lead frame; a light-emitting diode disposed on the exposed portion of the second lead frame; a hole in the inclined inner surface of the cavity and exposing a portion of the first lead frame; a protection device disposed in the hole and on the exposed portion of the first lead frame; a first wire having a first end connected to the light-emitting diode, and a second end connected to the first lead frame; a second wire having a first end connected to the light-emitting diode, and a second end connected to the second lead frame; and a third wire having a first end connected to the protection device, and a second end connected to the exposed portion of the second lead frame.

Abstract: Time-multiplexed backlighting includes a time-multiplexed light source to provide a light beam having a first non-zero propagation angle during a first time interval and a second non-zero propagation angle during a second time interval. A time-multiplexed backlight includes a light guide configured to guide the light beam and a diffraction grating configured to coupled out a portion of the guided light beam with a different principal angular direction in each of the first time interval and the second time interval. A multiview display includes the time-multiplexed light source and a multibeam backlight to provide coupled-out light beams during each of the first and second time intervals, wherein the principal angular directions of the coupled-out light beams correspond to different view directions of the multiview display.

Abstract: A backlight module and a display device are disclosed. The backlight module includes a light source component, and an illumination rendering film located on a light exiting side of the light source component. The illumination rendering film includes a plurality of dimming units arranged in an array; each of the dimming units is configured to receive a dimming signal and change a transmittance of the each of the dimming units according to the dimming signal.

Abstract: An optical conductor has several spherically curved light-extraction areas on its surface that are arranged in spaced relationship to one another and have a particular height (h) and a particular radius (R) of surface curvature, wherein h/R ratios of the respective height to the respective radius of all light-extraction areas are substantially equal and lie within a range of 0.1 to 0.45. A lighting system comprises one or more optical conductors and one or more light sources for irradiation of at least one light-injection area of the optical conductor, wherein useful light radiated from the front of the optical conductor can be emitted unscattered from the lighting system and/or interference light emitted outside of a useful light path is absorbable by the lighting system. Some embodiments may be particularly applicable in vehicle lighting systems.

Abstract: The disclosure describes a precollimator for a lighting device, including: a) a number of first collimator units each having an entry face and an exit plane, wherein for each first collimator unit the exit plane is wider than the entry face in a first direction and the entry face and the exit plane have the same width in a second direction that is perpendicular to the first direction and b) a second collimator unit having an entry plane and an exit face, wherein the exit face is wider than the entry plane in the second direction, and wherein the exit plane of each first collimator unit is optically connected to the entry plane of the second collimator unit, wherein the precollimator is joined together from at least two components. The disclosure further describes such lighting device and a method to manufacture such precollimator.

Abstract: The present invention provides a light source unit capable of displaying an image of a desired color without causing color unevenness when mounted on a display. A light source unit including: a light source; a color conversion member that converts incident light incident from the light source into light having a longer wavelength than the incident light does; and a reflective film that is present between the light source and the color conversion member, transmits light incident from the light source, and reflects light exited from the color conversion member, wherein in the reflective film, the scattering angle (R2?R1) on at least one film surface is 5° or more, where the scattering angle is obtained from angles R1 and R2 (R1<R2) at which the transmitted light intensity is Tmax(0)/100 relative to the maximum transmitted light intensity of halogen light incident perpendicularly to the film surface of Tmax(0).

Abstract: A light source member including a guide panel, a light source disposed adjacent to at least one side of the guide panel, a low refractive layer disposed on the guide panel, and a color converting layer disposed on the low refractive layer and including a base resin and a quantum dot dispersed in the base resin, in which the low refractive layer includes a matrix part, a plurality of low refractive substances dispersed in the matrix part, and a void disposed in the matrix part, and an area occupied by the void is less than about 20% of an entire area of the low refractive layer.

Abstract: This relates to an electronic device configured for optical sensing having shared windows and including light restriction designs. The light restriction designs can include one or more of optical layers, optical films, lenses, and window systems configured to reduce or eliminate crosstalk between optical components. A plurality of accepting sections and a plurality of blocking sections can be employed to selectively allow light having an angle of incidence within one or more acceptance viewing angles and block light with angles of incidence outside of the acceptance viewing angles. In some examples, the light restriction designs can include variations in optical and structural properties can allow the light restriction designs to have spatially varying acceptance angles. Variations in structural properties can include, but are not limited to, differences in widths, heights, and/or tilts of the accepting sections and/or blocking sections.

Abstract: A backlight module, a holographic display device and a holographic display method thereof are provided. The backlight module includes a semi-transparent layer and a reflective layer which are disposed opposite to each other, a light source, and a deflectable optical device. The light source is configured to emit a light beam, the deflectable optical device is configured to deflect a propagation direction of the light beam emitted from the light source and make the reflected light beam enter between the semi-transparent layer and the reflective layer in an angle, and is deflectable to change the angle.

Abstract: The lighting device includes a light source, a light transmissive plate opposed to the light source, a light reflecting portion disposed on the light transmissive plate and providing at least transmitted light with a specific tint, and a coloring portion disposed on the light source and/or the light transmissive plate. The light transmissive plate includes a light source overlapping region and a light source peripheral region. The light reflecting portion is disposed with a higher distribution density in the light source overlapping region than in the light source peripheral region. The coloring portion colors light travelling from the light source toward the light source overlapping region with a tint having a complementary relationship with the specific tint, or colors light travelling from the light source toward the light source peripheral region with a tint having a corresponding or similar color relationship with the specific tint.

Abstract: The present disclosure provide a positioning structure, a backlight source, a display module, and a display device, and the positioning structure is applied to a backlight source include a light guide plate and an optical film, the positioning structure includes a structural body, the structural body includes: multiple protruding structures spaced from each other, an end portion of each of the protruding structures adjacent to the light guide plate forming a contact positioning surface, and at least two contact positioning surfaces located in a same plane forming a first positioning surface for positioning an end surface of the light guide plate; wherein the structural body is provided with a second positioning surface for positioning an end surface of the optical film of the backlight source, and the second positioning surface and the first positioning surface are located at different planes.

Abstract: A display device includes a substrate, a plurality of light emitters, a colloid, an optical film, and a liquid crystal panel. The light emitters are located on a surface of the substrate. There are a plurality of gaps between the light emitters. The colloid is located in the gaps on the surface of the substrate and surrounds the light emitters. The optical film is located above the colloid and the light emitters. The liquid crystal panel is located above the optical film.

Abstract: A display panel, a display device and a signal transmission device are provided. The display panel includes: an array substrate; an opposed substrate arranged opposite to the array substrate; a circuit board, disposed on a side of the array substrate away from the opposed substrate; a driving circuit, disposed on a side of the array substrate close to the opposed substrate; a light emitter, disposed on a side of the circuit board close to the array substrate and electrically connected with the circuit board, in which the light emitter includes a light emitting surface which faces the array substrate; and a light receiver, disposed on a side of the array substrate close to the opposed substrate and electrically connected with the driving circuit, in which the light receiver includes a light receiving surface which faces the light emitter.

Abstract: A window for a motor vehicle includes an inner glass pane, an outer glass pane, and a first display module having a first light source, a first light guide disposed between the inner glass pane and the outer glass pane and configured to receive light from the first light source, a second light source, and a second light guide disposed between the inner glass pane and the outer glass pane and configured to receive light from the second light source. When the first light source is activated a first signal is displayed through the first light guide, when the second light source is activated a second signal is displayed through the second light guide, and when the first light source and the second light source are activated a third signal is displayed through the first light guide and the second light guide.

Abstract: The present disclosure concerns a lighting device (100) and a method of masking an edge transition (15e). An edge structure (15) provides the light with a first edge transition (L1) along a circumference (15e) of the edge structure (15). A patterned layer (11) is provided between the edge structure (15) and the front side (31) of the device. The patterned layer (11) comprises a gradient edge pattern (11g) configured to provide the transmitted light with a second edge transition (L2). The gradient edge pattern (11g) is configured with respect to the circumference (15e) of the edge structure (15) to smoothen the first edge transition (L1). A diffuser (10) is disposed between the front side (31) and the patterned layer (11) for scattering the light of the second edge transition (L2) to smoothen the second edge transition (L2) of the gradient edge pattern (11g).

Abstract: A plurality of beams of illumination light are emitted from a LIDAR device over a range of angles and scanned about an axis of rotation. The range of angles includes the axis of rotation. Intermediate electronics boards provide mechanical support and electrical connectivity between a rotating electronics board and various elements of a light emission and collection engine. One or more of the optical elements of the collection optics, the illumination optics, or both, is constructed from one or more materials that absorb light outside of a predetermined wavelength range. An overmolded lens is fixedly coupled to one or more of the light detecting elements to collect incoming light over a larger range of angles. A lens element is disposed in the light path between a light emitting element and the illumination optics to flatten the intensity distribution of light emitted from the light emitting element to reduce peak intensity.

Abstract: A flexible display component and a display screen are provided. The flexible display component includes a display module; a buffering layer; and at least two fixing parts disposed at the display module for fixing the buffering layer to be movably fixed to a side of the display module, wherein, when the display module is under a natural status, the buffering layer is contacted with the display module, when the display module is under a bending status, a gap layer is existed between the buffering layer and the display module. Through above way, the present invention can improve the bending reliability of the display module.

Abstract: The present disclosure discloses a display apparatus, a backlight source, and a light source module. The display apparatus includes a display panel and interference light sources which generate interference light on a display side of the display panel. The interference light is invisible light.

Abstract: An illumination device, a headlight, and a movable body are provided which can increase luminosity and resolution at a central region or a peripheral region in an illuminable region. A primary lens is placed at a light emission side of a plurality of light sources, and the primary lens includes a plurality of light guides corresponding in a one-to-one relationship to the plurality of light sources. A size of a light exit surface of a light guide corresponding to a light source which illuminates a central region in the illuminable region of the headlight is set to differ from a size of a light exit surface of a light guide corresponding to a light source which illuminates a peripheral region surrounding the central region.