A method of manufacturing a light emitting module is provided. A plurality of light-emitting diodes are aligned on an elongated base board. By a dispenser, an uncured paste of sealing material is continuously applied on a plurality of light-emitting diodes aligned on the elongated base board. The applied paste of sealing material is cured.

A method of manufacturing a light emitting module is provided. A plurality of light-emitting diodes are aligned on an elongated base board. By a dispenser, an uncured paste of sealing material is continuously applied on a plurality of light-emitting diodes aligned on the elongated base board. The applied paste of sealing material is cured.

A fluorescent plate including a fluorescent phase which emits fluorescence by excitation light, and a plurality of voids, wherein, in a cross section of the fluorescent plate including cross sections of the voids, voids having an equivalent circle diameter of 0.4 micrometers or greater and 50 micrometers or smaller have a standard deviation in equivalent circle diameter of 1.5 or less.

A fluorescent plate including a fluorescent phase which emits fluorescence by excitation light, and a plurality of voids, wherein, in a cross section of the fluorescent plate including cross sections of the voids, voids having an equivalent circle diameter of 0.4 micrometers or greater and 50 micrometers or smaller have a standard deviation in equivalent circle diameter of 1.5 or less.

A light emitting diode, LED, filament arrangement (100), comprising at least one LED filament (120) comprising an array of a plurality of light emitting diodes (125), LEDs, wherein the at least one LED filament comprises a first portion (130) having a first shape, wherein the first portion is configured to emit light of a first spectral distribution, S.sub.1, in a first spatial direction, D.sub.1, and a second portion (140) having a second shape, different from the first shape, and the second portion is configured to emit light of a second spectral distribution, S.sub.2, in a second spatial direction, D.sub.2, wherein the first spectral distribution, S.sub.1, is different from the second spectral distribution, S.sub.2, and the first spatial direction, D.sub.1, is different from the second spatial direction, D.sub.2.

A light emitting diode, LED, filament arrangement (100), comprising at least one LED filament (120) comprising an array of a plurality of light emitting diodes (125), LEDs, wherein the at least one LED filament comprises a first portion (130) having a first shape, wherein the first portion is configured to emit light of a first spectral distribution, S.sub.1, in a first spatial direction, D.sub.1, and a second portion (140) having a second shape, different from the first shape, and the second portion is configured to emit light of a second spectral distribution, S.sub.2, in a second spatial direction, D.sub.2, wherein the first spectral distribution, S.sub.1, is different from the second spectral distribution, S.sub.2, and the first spatial direction, D.sub.1, is different from the second spatial direction, D.sub.2.

A lighting device is provided. The lighting device includes: a lighting unit in which a plurality of light sources are mounted; a lighting cover installed to be spaced apart from the lighting unit; and a reflective sheet arranged on a light source mounting surface of the lighting unit and reflecting reflected light reflected from the lighting cover back toward the lighting cover, wherein wavelength conversion layer for converting a wavelength of the reflected light reflected from the lighting cover is laminated on the reflective sheet.

A light-emitting device includes a substrate, a light-emitting element provided on the substrate, the light-emitting element being configured to emit a first light, a wavelength conversion layer provided on the light-emitting element and containing a plurality of wavelength conversion particles configured to convert a wavelength of a part of the first light and to emit a second light, a light-transmissive plate provided above the wavelength conversion layer, and a wall including a light-reflective material, the wall surrounding the wavelength conversion layer and the light-transmissive plate and being in contact with a lateral surface of the light-transmissive plate at an inner surface of the wall. An upper portion of the wavelength conversion layer includes protrusions and recesses defined by the plurality of wavelength conversion particles. The wavelength conversion layer and the light-transmissive plate define an air layer therebetween.

A lighting apparatus for bacterial, fungal and viral disinfection is provided comprising: at least one first element that emits light comprising a peak emission wavelength between at least about 411 nm to up to 419 nm; and at least one second element that outputs and/or converts at least a portion of the light emitted by the first element.

A lighting apparatus for bacterial, fungal and viral disinfection is provided comprising: at least one first element that emits light comprising a peak emission wavelength between at least about 411 nm to up to 419 nm; and at least one second element that outputs and/or converts at least a portion of the light emitted by the first element.