Abstract: A method of manufacturing a light emitting module according to the present disclosure includes: preparing a light guide plate that comprises a first main surface serving as a light-emitting surface and a second main surface opposite to the first main surface; respectively providing light emitting elements on the second main surface so as to correspond to each of a plurality of optically functional portions provided on the first main surface of the light guide plate; and forming wires electrically connecting the plurality of light emitting elements.

Abstract: A light emitting module includes a light transmissive light guiding plate, a light adjustment portion, and a light emitting element. The light guiding plate has a first main surface serving as a light emitting surface which emits light outside, and a second main surface opposite to the first main surface. The second main surface is provided with a recess. The light adjustment portion is disposed in the recess of the light guiding plate. The light emitting element is bonded to the light adjustment portion. The light adjustment portion includes a wavelength conversion portion and a light diffusion portion. The light diffusion portion has a wavelength conversion portion side on which the wavelength conversion portion is bonded. The light diffusion portion is disposed on a bottom of the recess. The wavelength conversion portion is bonded to the light emitting element.

Abstract: A method of manufacturing a light emitting module according to the present disclosure includes: preparing a light guide plate that comprises a first main surface serving as a light-emitting surface and a second main surface opposite to the first main surface; respectively providing light emitting elements on the second main surface so as to correspond to each of a plurality of optically functional portions provided on the first main surface of the light guide plate; and forming wires electrically connecting the plurality of light emitting elements.

Abstract: A light emitting module and a planar light source reduced in thickness are provided. A light emitting module includes: a light guide plate including a first main surface serving as a light emitting surface, a second main surface provided on a side opposite to the first main surface, and a recess provided at the second main surface; a first fluorescent material layer provided in the recess; a light emitting element provided at the first fluorescent material layer on the second main surface side; and a second fluorescent material layer provided at the second main surface.

Abstract: A light-emitting module includes: a light guide plate having a first surface on which a plurality of first recesses arranged in rows and columns and a grid-shaped groove portion surrounding each of the plurality of first recesses are provided, and a second surface located on the opposite side from the first surface; a plurality of light-emitting elements each disposed inside a corresponding one of the plurality of first recesses; a first light transmission member disposed inside the groove portion of the light guide plate, and having a refractive index lower than a refractive index of the light guide plate; and a reflective resin layer covering the first surface of the light guide plate and the first light transmission member.

Abstract: A light emitting module have a translucent light guide plate, which has a first primary surface that emits light and an opposite second primary surface, and a plurality of light sources disposed at given intervals on the second primary surface of the light guide plate. The light guide plate is made up of a plurality of light emitting cell regions with a light source disposed in the center section of each of the plurality of light emitting cell regions, an optically functional area is established on the first primary surface in each of the plurality of light emitting cell regions, and each light source is disposed on the second primary surface in a position opposite the corresponding optically functional area. The second primary surface has reflecting depressions at the boundaries between adjacent light-emitting cell regions, and the first primary surface has reflecting grooves positioned away from the center of each cell near the cell boundary.

Abstract: A light emitting module includes a light guiding plate being light-transmissive and having a first main surface being as a light exiting surface and a second main surface positioned opposite to the first main surface; a light emitting element disposed at the second main surface and configured to emit light toward the light guiding plate; an optical function part being greater in size than a light emitting surface of the light emitting element, the optical function part being disposed in the first main surface so as to correspond to an optical axis of the light emitting element; and a light-cutting scattering layer disposed on a first main surface side of the light guiding plate so as to correspond to the optical axis of the light emitting element. The light-cutting scattering layer covers the optical function part as seen in a plan view.

Abstract: A light emitting module includes: a plurality of light emitting elements each having a primary light emitting surface; a plurality of wavelength conversion members arranged respectively on the primary light emitting surfaces of the plurality of light emitting elements; a resin member arranged between the plurality of wavelength conversion members and covering lateral surfaces of the plurality of wavelength conversion members; and a lightguide plate having a first primary surface and a second primary surface, and arranged on the resin member and the plurality of wavelength conversion members so that the second primary surface faces the resin member and the plurality of wavelength conversion members, wherein the lightguide plate includes a plurality of recessed portions on the second primary surface that are located over the plurality of wavelength conversion members.

Abstract: A light emitting module includes: a plurality of light emitting elements each having a primary light emitting surface and a lateral surface; a plurality of wavelength conversion members arranged respectively on the primary light emitting surfaces of the plurality of light emitting elements; and a lightguide plate having a first primary surface and a second primary surface and arranged continuously on the plurality of wavelength conversion members so that the second primary surface faces the plurality of wavelength conversion members, wherein the lightguide plate includes a plurality of recessed portions located on the second primary surface, and a lateral surface of at least one of the plurality of wavelength conversion members is partially in contact with an inner lateral surface of at least one of the plurality of recessed portions.

Abstract: A light emitting module and a planar light source reduced in thickness are provided. A light emitting module includes: a light guide plate including a first main surface serving as a light emitting surface, a second main surface provided on a side opposite to the first main surface, and a recess provided at the second main surface; a first fluorescent material layer provided in the recess; a light emitting element provided at the first fluorescent material layer on the second main surface side; and a second fluorescent material layer provided at the second main surface.

Abstract: A backlight unit includes a light-guide plate, a light source, and a phosphor sheet including a red phosphor material. The light source includes blue light emitting diodes, and green semiconductor lasers. The red phosphor material is excited by light from the blue light emitting diodes and emits red light. The phosphor sheet is solid and disposed on a surface of a first principal plane of the light-guide plate to define a first mixing light emission surface on the first principal plane of the light-guide plate from which green light emitted from the green semiconductor lasers and blue light from the blue light emitting diodes are emitted toward the phosphor sheet and a second mixing light emission surface on the phosphor sheet from which red light emitted from the red phosphor material, green light emitted from the green semiconductor lasers, and blue light from the blue light emitting diodes are emitted.

Abstract: A base has a base surface. Light emitting elements are disposed on the base surface along an X-axis with an X pitch and along the Y axis with a Y pitch to form a matrix. The X pitch is smaller than the Y pitch. Lenses has a batwing illumination distribution. Each of the lenses covers each of the light emitting elements. A first lenticular lens sheet is provided on the base such that a first lenticular lens sheet lower surface is opposite to the base surface. A second lenticular lens sheet is provided on the first lenticular lens sheet such that a second lenticular lens sheet lower surface is opposite to a first lenticular lens sheet upper surface. A third lenticular lens sheet is provided on the second lenticular lens sheet such that a third lenticular lens sheet lower surface is opposite to a second lenticular lens sheet upper surface.

Abstract: A base has a base surface. Light emitting elements are disposed on the base surface along an X-axis with an X pitch and along the Y axis with a Y pitch to form a matrix. The X pitch is smaller than the Y pitch. Lenses has a batwing illumination distribution. Each of the lenses covers each of the light emitting elements. A first lenticular lens sheet is provided on the base such that a first lenticular lens sheet lower surface is opposite to the base surface. A second lenticular lens sheet is provided on the first lenticular lens sheet such that a second lenticular lens sheet lower surface is opposite to a first lenticular lens sheet upper surface. A third lenticular lens sheet is provided on the second lenticular lens sheet such that a third lenticular lens sheet lower surface is opposite to a second lenticular lens sheet upper surface.

Abstract: A light emitting module includes a light transmissive light guiding plate, a light adjustment portion, and a light emitting element. The light guiding plate has a first main surface serving as a light emitting surface which emits light outside, and a second main surface opposite to the first main surface. The second main surface is provided with a recess. The light adjustment portion is disposed in the recess of the light guiding plate. The light emitting element is bonded to the light adjustment portion. The light adjustment portion includes a wavelength conversion portion and a light diffusion portion. The light diffusion portion has a wavelength conversion portion side on which the wavelength conversion portion is bonded. The light diffusion portion is disposed on a bottom of the recess. The wavelength conversion portion is bonded to the light emitting element.

Abstract: A base has a base surface. Light emitting elements are disposed on the base surface along an X-axis with an X pitch and along the Y axis with a Y pitch to form a matrix. The X pitch is smaller than the Y pitch. Lenses has a batwing illumination distribution. Each of the lenses covers each of the light emitting elements. A first lenticular lens sheet is provided on the base such that a first lenticular lens sheet lower surface is opposite to the base surface. A second lenticular lens sheet is provided on the first lenticular lens sheet such that a second lenticular lens sheet lower surface is opposite to a first lenticular lens sheet upper surface.

Abstract: A backlight unit includes a light-guide plate, a light source, and a phosphor sheet including a red phosphor material. The light source includes blue light emitting diodes, and green semiconductor lasers. The red phosphor material is excited by light from the blue light emitting diodes and emits red light. The phosphor sheet is solid and disposed on a surface of a first principal plane of the light-guide plate to define a first mixing light emission surface on the first principal plane of the light-guide plate from which green light emitted from the green semiconductor lasers and blue light from the blue light emitting diodes are emitted toward the phosphor sheet and a second mixing light emission surface on the phosphor sheet from which red light emitted from the red phosphor material, green light emitted from the green semiconductor lasers, and blue light from the blue light emitting diodes are emitted.

Abstract: A backlight unit has a light-guide plate and a light source optically coupled with the light-guide plate, with which light is input from a plane of the light-guide plate and white-light is output from the first principal plane of the light-guide plate. The light source has a plurality of blue light emitting diodes, red phosphor material excited by light from the blue light emitting diodes and emits red light, and a plurality of green semiconductor lasers having emission peaks at green light wavelengths. The red phosphor material is included in a phosphor sheet, and the phosphor sheet is disposed on a surface of the light-guide plate.

Abstract: A light-emitting device includes: one or more first light-emitting elements each having a peak wavelength in a range from 430 nm to less than 490 nm; a second light-emitting element having a peak wavelength Y in a range from 490 nm to less than a wavelength X; a third light-emitting element having a peak wavelength Z in a range from more than the wavelength X to 570 nm; and a phosphor or a fourth light-emitting element having a peak wavelength in a range from 580 nm to 680 nm. At least one of the second and third light-emitting elements is connected to at least one of the first light-emitting elements in series. The wavelength X is in a range from more than 490 nm to less than 570 nm with an absolute value of difference between |X?Y| and |X?Z| being 10 nm or less.

Abstract: A backlight unit has a light-guide plate and a light source optically coupled with the light-guide plate, with which light is input from a plane of the light-guide plate and white-light is output from the first principal plane of the light-guide plate. The light source has a plurality of blue light emitting diodes, red phosphor material excited by light from the blue light emitting diodes and emits red light, and a plurality of green semiconductor lasers having emission peaks at green light wavelengths. The red phosphor material is included in a phosphor sheet, and the phosphor sheet is disposed on a surface of the light-guide plate.

Abstract: A method of manufacturing a light emitting module according to the present disclosure includes: preparing a light guide plate that comprises a first main surface serving as a light-emitting surface and a second main surface opposite to the first main surface; respectively providing light emitting elements on the second main surface so as to correspond to each of a plurality of optically functional portions provided on the first main surface of the light guide plate; and forming wires electrically connecting the plurality of light emitting elements.