LIGHT-EMITTING DEVICE

To provide a light-emitting device with improved response speed and reduced heat effects.SOLUTION: A light-emitting device 1 according to an embodiment of the present invention includes an LED chip 6 as a light emitting element chip formed in a rectangular shape with a side of 100 μm or less in plan view, a board 7 on which the LED chip 6 is mounted, an annular frame 8 provided so as to protrude from the surface 7a of the board 7 and provided so as to surround the LED chip 6, and a sealing resin 9 that includes a quantum dot 10 that emits light by light from the LED chip 6, and covers the LED chip 6, and the thermal conductivity of the frame 8 is 1 W/m K or more, and the sealing resin 9 is provided so as to be in contact with the frame 8.SELECTED DRAWING: Figure 1 【課題】応答速度を高め、熱の影響を抑制した発光装置を提供する。【解決手段】本発明の一態様として、平面視で一辺が１００μｍ以下の矩形状に形成された発光素子チップとしてのＬＥＤチップ６と、ＬＥＤチップ６が搭載された基板７と、基板７の表面７ａから突出するように設けられると共に、ＬＥＤチップ６を囲むように設けられた環状の枠体８と、ＬＥＤチップ６からの光により発光する量子ドット１０を含み、ＬＥＤチップ６を覆う封止樹脂９と、を備え、枠体８の熱導電率が、１Ｗ／ｍ・Ｋ以上であり、かつ、封止樹脂９は、枠体８に接触するように設けられている発光装置１を提供する。【選択図】図１