Abstract: An image display apparatus according to the present invention includes an image light generator (100) that emits image light, a first reflection element (11) that the image light from the image light generator (100) is to enter, the first reflection element (11) having a transmitting action and a reflecting action on the image light, a second reflection element (12) that reflects, toward the first reflection element (11), the image light that has entered via the first reflection element (11) and causes the image light to re-enter the first reflection element (11), the second reflection element (12) having a reflecting action on the image light, a light-condensing optical system (20) that converges, toward a position of a pupil of an observer, the image light that has re-entered the first reflection element (11), and a controller (40) that controls a placement angle of the first reflection element (11), the second reflection element (12), or both on the basis of the position of the pupil of the observer.

Abstract: A light emitting device of the disclosure includes a first light source and a second light source, a light-guiding plate having a first main surface and a second main surface that face each other, a first end surface facing the first light source, and a second end surface facing the first end surface and the second light source, a prism sheet disposed to face the first main surface, and a reflection sheet disposed to face the second main surface. The light-guiding plate includes a plurality of first slope sections and a plurality of second slope sections both provided on one of the first main surface and the second main surface. A proportion of area occupied by the second slope sections increases in a predetermined range from the second end surface, as a distance from the second end surface increases.

Abstract: There are provided a light emitting unit that enhances the uniformity of in-plane colors, as well as a display and a lighting apparatus that include such a light emitting unit thereon. The light emitting unit includes: a plurality of light emitting sections each having a light source and a wavelength conversion member, the wavelength conversion member converting a wavelength of light emitted from the light source; an optical component having a light incident surface in opposition to the plurality of light emitting sections; and a color unevenness prevention structure suppressing direct entering of light from the light source into the optical component.

Abstract: An image display apparatus that includes a first light collecting-reflecting device (10, 11) which image light (L0) from an image forming apparatus enters, and a second light collecting-reflecting device (20, 21) which second light (L2), of the image light, having passed through the first light collecting-reflecting device enters. The first light collecting-reflecting device has transmission action and light collecting-reflecting action with respect to the image light. The first light collecting-reflecting device collects and reflects first light (L1), of the entering image light, toward a first conversion position in a viewer's eye (201). The second light collecting-reflecting device has at least the light collecting-reflecting action with respect to the image light. The second light collecting-reflecting device causes the second light to reenter the first light collecting-reflecting device and collects and reflects the second light toward a second conversion position.

Abstract: There are provided a light emitting unit that enhances the uniformity of in-plane colors, as well as a display and a lighting apparatus that include such a light emitting unit thereon. The light emitting unit includes: a plurality of light emitting sections each having a light source and a wavelength conversion member, the wavelength conversion member converting a wavelength of light emitted from the light source; an optical component having a light incident surface in opposition to the plurality of light emitting sections; and a color unevenness prevention structure suppressing direct entering of light from the light source into the optical component.

Abstract: A light emitting device of the disclosure includes a first light source and a second light source, a light-guiding plate having a first main surface and a second main surface that face each other, a first end surface facing the first light source, and a second end surface facing the first end surface and the second light source, a prism sheet disposed to face the first main surface, and a reflection sheet disposed to face the second main surface. The light-guiding plate includes a plurality of first slope sections and a plurality of second slope sections both provided on one of the first main surface and the second main surface. A proportion of area occupied by the second slope sections increases in a predetermined range from the second end surface, as a distance from the second end surface increases.

Abstract: There is provided a light-emitting device that makes is possible to emit light having less luminance unevenness.

Abstract: A light emitting device of the disclosure includes a first light source and a second light source. A light-guiding plate having a first main surface and a second main surface that face each other, a first end surface facing the first light source, and a second end surface facing the first end surface and the second light source. The light-guiding plate includes a plurality of first slope sections and a plurality of second slope sections both provided on one of the first main surface and the second main surface, in which the plurality of first slope sections are provided to allow the light-guiding plate to be thinner in a first direction, and the plurality of second slope sections are provided to allow the light-guiding plate to be thicker in the first direction.

Abstract: A display device includes: a frame to be mounted on a head of an observer; and an image display device attached to the frame. The image display device includes: an image forming device; a light guide plate; a support substrate; a first deflection unit; a second deflection unit; and an optical member attached to the support substrate, in which light from the image forming device is deflected at the first deflection unit, propagated inside the light guide plate by total reflection, deflected at the second deflection unit, and incident on the optical member, and the optical member emits the incident light toward a pupil of an observer. The display device further includes a movement device that moves the support substrate with respect to the light guide plate in order to change a relative positional relation between the second deflection unit and the optical member.

Abstract: There is provided a light-emitting device that makes is possible to emit light having less luminance unevenness.

Abstract: A light-emitting device of the present disclosure includes: a first light-guiding plate having a first light incidence surface and a first light emission enhancement surface provided with a first pattern; and a second light-guiding plate having a second light incidence surface and a second light emission enhancement surface provided with a second pattern.

Abstract: There are provided a light emitting unit that enhances the uniformity of in-plane colors, as well as a display and a lighting apparatus that include such a light emitting unit thereon. The light emitting unit includes: a plurality of light emitting sections each having a light source and a wavelength conversion member, the wavelength conversion member converting a wavelength of light emitted from the light source; an optical component having a light incident surface in opposition to the plurality of light emitting sections; and a color unevenness prevention structure suppressing direct entering of light from the light source into the optical component.

Abstract: There are provided a light emitting unit that enhances the uniformity of in-plane colors, as well as a display and a lighting apparatus that include such a light emitting unit thereon. The light emitting unit includes: a plurality of light emitting sections each having a light source and a wavelength conversion member, the wavelength conversion member converting a wavelength of light emitted from the light source; an optical component having a light incident surface in opposition to the plurality of light emitting sections; and a color unevenness prevention structure suppressing direct entering of light from the light source into the optical component.

Abstract: A light emitting device of the disclosure includes a first light source and a second light source; a light-guiding plate having a first main surface and a second main surface that face each other, a first end surface facing the first light source, and a second end surface facing the first end surface and the second light source; a prism sheet disposed to face the first main surface; and a reflection sheet disposed to face the second main surface.

Abstract: Provided is a light-emitting unit that includes: a light-guide section having a light entering surface; and a plurality of light sources opposed to the light entering surface of the light-guide section and arrayed in a first direction, and each having an anisotropy in emission intensity. A pattern shape of light applied from any of the light sources to the light entering surface has a shape anisotropy, and the light sources are each disposed to allow a longitudinal direction of the pattern shape to be inclined relative to the first direction.

Abstract: A light-emitting device of the present disclosure includes: a first light-guiding plate having a first light incidence surface and a first light emission enhancement surface provided with a first pattern; and a second light-guiding plate having a second light incidence surface and a second light emission enhancement surface provided with a second pattern.

Abstract: There are provided a light emitting unit that enhances the uniformity of in-plane colors, as well as a display and a lighting apparatus that include such a light emitting unit thereon. The light emitting unit includes: a plurality of light emitting sections each having a light source and a wavelength conversion member, the wavelength conversion member converting a wavelength of light emitted from the light source; an optical component having a light incident surface in opposition to the plurality of light emitting sections; and a color unevenness prevention structure suppressing direct entering of light from the light source into the optical component.

Abstract: Provided is a light-emitting unit that includes: a light-guide section having a light entering surface; and a plurality of light sources opposed to the light entering surface of the light-guide section and arrayed in a first direction, and each having an anisotropy in emission intensity. A pattern shape of light applied from any of the light sources to the light entering surface has a shape anisotropy, and the light sources are each disposed to allow a longitudinal direction of the pattern shape to be inclined relative to the first direction.

Abstract: There are provided a light emitting unit that enhances the uniformity of in-plane colors, as well as a display and a lighting apparatus that include such a light emitting unit thereon. The light emitting unit includes: a plurality of light emitting sections each having a light source and a wavelength conversion member, the wavelength conversion member converting a wavelength of light emitted from the light source; an optical component having a light incident surface in opposition to the plurality of light emitting sections; and a color unevenness prevention structure suppressing direct entering of light from the light source into the optical component.

Abstract: A display has a member irradiated by a surface light source device comprising a light diffusion member and emission device. The emission device is provided with a light flux control member having a recess and light control emission face which is configurated so as to satisfy Conditions 1 and 2 in a range at least covering a half-intensity-angular-range. Light emitting element(s) may be sealed. Condition 1 is that relation ?5/?1>1 is satisfied except for light emitted from a light emitting element toward within an angular-neighbourhood of a standard optical axis of the emission device, and Condition 2 is that value of ?5/?1 decreases gradually according to increasing of ?1, where ?1 is an emission angle of any light at being emitted from the light emitting element, and ?5 is an emission angle of that light of ?1 at then being emitted from the light control emission face of the light flux control member.