An optical module in the present disclosure includes a first image display panel including a first display part and a first coupling part, a second image display panel including a second display part and a second coupling part, a third image display panel including a third display part and a third coupling part, and a cross dichroic prism configured to synthesize first, second, and third image light. The cross dichroic prism has a cross axis at which a two of photosynthesis surfaces cross each other. The first, second, and third image display panel are respectively bonded to different surfaces of the cross dichroic prism in a state where a long side of each of the first, second, and third display part extends along the cross axis and where the first, second, and third coupling part are each positioned on an outer side of the cross dichroic prism.

A first light guide guides first light in a first light guiding path. The first light is of light irradiated from the light source to a sheet. A first detection unit receives reflected light from the sheet and outputs an image signal indicating an image of a surface of the sheet. A second light guide guides second light in a second light guiding path different from the first light guiding path. The second light is of the light irradiated from the light source and is different from the first light. A second detection unit receives the second light and output a detection signal corresponding to a light amount of the second light. A control unit controls a light emission amount of the light source based on the detection signal.

A light source device includes: light emitting parts arranged in a matrix, each having an upper surface that includes a light emitting surface, each of the light emitting parts being configured to emit light from the light emitting surfaces and at least one of the light emitting parts being configured to be individually turned on, wherein each of the light emitting parts includes a light emitting element, a wavelength conversion member covering the upper surface of the light emitting element, and a light-reflective member covering lateral surfaces of the light emitting element and lateral surfaces of the wavelength conversion member, and wherein the light-reflective members of the light-emitting parts are directly adjacent to each other; and an optical lens located above the light emitting surfaces of the light emitting parts. Sizes of the light emitting surfaces of at least some of the light emitting parts are different from each other.

A method and a device for producing an optical component having at least three monolithically arranged optical functional surfaces and an optical component are disclosed. The method includes calculating a continuous surface composite, which includes the first optical functional surface and the second optical functional surface, producing the continuous surface composite, which contains the first and second optical functional surfaces in a defined shape and a relative position to one another, on the first side of the optical component through machining by a machine tool, producing at least one reference surface arranged outside the optical functional surfaces on the optical component or on a mount and having a defined positional relation to the optical functional surfaces through machining by the machine tool and repositioning the optical component in such a way that the second side of the optical component is machined with the machine tool, wherein the at least one reference surface serves as a contact surface or mounting surface.

A virtual image display apparatus includes a display device (image forming unit), a lens configured to refract imaging light from the display device, a first mirror member configured to reflect imaging light that passed through the lens, a second mirror member configured to reflect the imaging light reflected by the first mirror member, and a third mirror member of a transmissive type configured to reflect the imaging light reflected by the second mirror member toward a position of an exit pupil. The lens is asymmetric with respect to an optical axis in a first direction corresponding to an eccentric direction defined by the first mirror member and the second mirror member, and is symmetric, across the optical axis, with respect to a second direction orthogonal to the first direction.

The present disclosure provides an optical system that includes a prism having an incident surface, an exit surface, and one or more reflecting surfaces. The optical system includes a first scanning element configured to scan a light that enters and has a plurality of wavelengths in a first direction, and reflect the light in a direction of the incident surface of the prism. The optical system includes a second scanning element configured to scan in a second direction the light that exits from the exit surface of the prism, the second direction being orthogonal to the first direction. The incident surface of the prism has a concave shape with respect to the first scanning element.

Eye-tracked head-mounted displays are provide which, in one aspect, may utilize the same optics for eyetracking and image viewing, with a selected portion of the optics used for an eyetracking optical path and a selected portion of the display optics used for an image viewing optical path.

An optical array includes one or more optical elements each including an incident surface at which light is incident into the optical element, a first reflection surface at which the light passing through the incident surface is reflected, a second reflection surface at which the light reflected by the first reflection surface is reflected again, an emission surface at which the light from the second reflection surface exits the optical element, and a refractive surface at which light that passes through the first reflection surface is refracted away from the emission surface.

A virtual image display device includes an intermediate image formation unit on which a real image based on an image display light is formed. The intermediate image formation unit includes a principal surface on which a first area, a second area, and a third area are arranged in a stated order in a predetermined direction, and a reflective part. The first area is provided with a transmission-type screen on which a first display light forms an image, and the third area is provided with a reflection-type screen on which a second display light forms an image. The first display light is transmitted through the transmission-type screen, reflected by the reflective part, transmitted through the second area, and output toward a projection mirror. The second display light is reflected by the reflection-type screen and output toward the projection mirror.

A luminaire featuring a light diffusing housing assembly with a batwing style catadioptric lens element with properties capable of producing a more uniform field of illumination in concert with a secondary diffusing lens element and optional internal light reflecting elements to maximize light output from a point light source including an LED, or a plurality of individual point light sources including an LED strip or LED array and other source of linear chromatic light or linear illumination sources including a light bar, fluorescent lamp, compressed-gas discharge tube and the like.