PROBLEM TO BE SOLVED: To provide an ultraviolet (deep ultraviolet) light emitting device and an ultraviolet light irradiation device which prevent deterioration of a resin adhesive layer as a sealing member.SOLUTION: A deep ultraviolet LED element 5 is mounted on a submount 6 in a recess 1a of an LTCC substrate 1 and a deep ultraviolet light transmission window member 10 is provided on an upper part of the LTCC substrate 1 so as to cover the recess 1a of the LTCC substrate 1. A resin adhesive layer 11 as a sealing member is provided between the upper part of the LTCC substrate 1 and the deep ultraviolet light transmission window member 10, and a metal layer 12 as a light shielding layer is provided between the resin adhesive layer 11 and the deep ultraviolet light transmission window member 10.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】封止部材としての樹脂接着層の変質劣化を防止した紫外線(深紫外線)発光装置及び紫外線照射装置を提供する。【解決手段】LTCC基板1の凹部1a内のサブマウント6上に深紫外線LED素子5を搭載し、LTCC基板1の凹部1aを覆うようにLTCC基板1の上部に深紫外線透過窓部材10を設ける。LTCC基板1の上部と深紫外線透過窓部材10との間に封止部材としての樹脂接着層11を設け、樹脂接着層11と深紫外線透過窓部材10との間に遮光層としての金属層12を設ける。【選択図】 図2
