LIGHT-EMITTING DEVICE

• Main Authors: ICHIHARA YOSHIO, MITSUYAMA KENTA, SAKAI KAZUAKI
• Format: Patent
• Language: English; Japanese
• Published: 11.04.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; SEMICONDUCTOR DEVICES

To provide a light-emitting device which can extract light in a front direction with high efficiency, and enables miniaturization.SOLUTION: A light-emitting device includes: a resin package having a first recess, a second recess and a third recess in a main surface; a first light-emitting element, a second light-emitting element and a third light-emitting element arranged on each of the first recess to the third recess; a first reflective member, a second reflective member and a third reflective member arranged on each of the first recess to the third recess, and positioned in the peripheries of the corresponding light-emitting elements in plan view; and a mold resin part including a first lens part to a third lens part which are positioned above the first light-emitting element to the third light-emitting element and have convex shapes projecting upward from the main surface side, wherein in plan view, the maximum width of the first lens part is smaller than the maximum width of an inner top face of the first recess, the maximum width of the second lens part is smaller than the maximum width of an inner top face of the second recess, and the maximum width of the third lens part is smaller than the maximum width of an inner top face of the third recess.SELECTED DRAWING: Figure 2C 【課題】正面方向に高効率で光を取り出すことができ、かつ、小型化の可能な発光装置を提供する。【解決手段】発光装置は、第１凹部、第２凹部および第３凹部を主面に有する樹脂パッケージと、第１凹部～第３凹部にそれぞれ配置された第１発光素子、第２発光素子および第３発光素子と、第１凹部～第３凹部にそれぞれ配置され、平面視において対応する発光素子の周辺に位置する第１反射性部材、第２反射性部材および第３反射性部材と、第１発光素子～第３発光素子の上方にそれぞれ位置し、主面側から上方に突出した凸形状を有する第１レンズ部～第３レンズ部を含むモールド樹脂部と、を備え、平面視において、第１レンズ部の最大幅は、第１凹部の内上面の最大幅よりも小さく、第２レンズ部の最大幅は、第２凹部の内上面の最大幅よりも小さく、第３レンズ部の最大幅は、第３凹部の内上面の最大幅よりも小さい。【選択図】図２Ｃ