LIGHT-EMITTING ELEMENT AND LIGHT-EMITTING DEVICE

• Main Authors: NIHEI NORIKO, IDE TOSHIYA, KOIKE KYOTARO, LIANG JI-HAO
• Format: Patent
• Language: English; Japanese
• Published: 31.10.2019
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; SEMICONDUCTOR DEVICES

To provide a light-emitting element with less light loss and with high luminance and high light extraction efficiency, and a light-emitting device.SOLUTION: A light-emitting element comprises: a semiconductor structure layer 13 including a light-emitting layer; a translucent substrate 15 provided on the semiconductor structure layer; a wavelength conversion layer 17 arranged on the translucent substrate; a translucent covering member 19 covering at least a part of a side surface of the translucent substrate 15 and having transparency to light from the light-emitting layer; and a shielding member 21 including a surface of the translucent covering member 19 and formed so as to wholly cover a surface composed of a side surface of the semiconductor structure layer 15, a side surface of the translucent substrate 15, and a side surface of the wavelength conversion layer 17.SELECTED DRAWING: Figure 1B 【課題】光の損失が少なく、高輝度かつ光取り出し効率の高い発光素子及び発光装置を提供することを目的とする。【解決手段】発光層を有する半導体構造層１３と、前記半導体構造層上に設けられた透光性基板１５と、前記透光性基板上に配された波長変換層１７と、前記透光性基板１５の側面の少なくとも一部を被覆し、かつ、前記発光層からの光に対する透過性を有する透光性被覆部材１９と、前記透光性被覆部材１９の表面を含み、前記半導体構造層１５の側面、前記透光性基板１５の側面及び前記波長変換層１７の側面からなる面を全体に亘って覆うように形成された遮光部材２１と、を有する。【選択図】図１Ｂ