A light emitting device comprising: one or more light emitting elements each including an upper surface as a light extraction surface; a light transmissive member (2, 2C) having a plate shape and bonded to the upper surface of each of the one or more light emitting elements, having an upper surface (3, 3C) and a lower surface (7, 7C), and allowing light from the one or more light emitting elements to be incident on the lower surface (7, 7C) of the light transmissive member (2, 2C) and be output from the upper surface (3, 3C) of the light transmissive member (2, 2C); and a light reflective member covering surfaces of the light transmissive member (2, 2C) and lateral surfaces of the one or more light emitting elements so as to expose the upper surface (3, 3C) of the light transmissive member (2, 2C), wherein the upper surface area of the light transmissive member (2, 2C) is smaller than a sum of the upper surface areas of the one or more light emitting elements, and the lower surface area of the light transmissive member (2, 2C) is larger than a sum of the upper surface areas of the one or more light emitting elements, and the light transmissive member (2, 2C) is formed into a convex shape from the lower surface (7, 7C) to the upper surface (3, 3C), and has first lateral surfaces (4, 4C) contiguous with the upper surface (3, 3C), second lateral surfaces (6, 6C) contiguous with the lower surface (7, 7C), wherein the light transmissive member (2, 2C) further has curved surfaces contiguous with both the first lateral surfaces (4, 4C) and the second lateral surfaces (6, 6C), wherein an outline of the lower surface (7, 7C) of the light transmissive member (2, 2C) is positioned outside an outline of entire upper surfaces of the one or more light emitting elements, wherein the light emitting elements and the light transmissive member (2, 2C) are bonded using an adhesive material, the adhesive material is disposed from the upper surfaces continuously to at least one portion of the lateral surfaces of the light emitting elements, and interposed between the light reflective member and the lateral surfaces of the light emitting elements, and the upper surface of the adhesive material interposed between the light reflective member and the lateral surfaces of the light emitting elements is in contact with the lower surface (7, 7C) of the light transmissive member (2, 2C). one or more light emitting elements each including an upper surface as a light extraction surface; a light transmissive member (2, 2C) having a plate shape and bonded to the upper surface of each of the one or more light emitting elements, having an upper surface (3, 3C) and a lower surface (7, 7C), and allowing light from the one or more light emitting elements to be incident on the lower surface (7, 7C) of the light transmissive member (2, 2C) and be output from the upper surface (3, 3C) of the light transmissive member (2, 2C); and a light reflective member covering surfaces of the light transmissive member (2, 2C) and lateral surfaces of the one or more light emitting elements so as to expose the upper surface (3, 3C) of the light transmissive member (2, 2C), wherein the upper surface area of the light transmissive member (2, 2C) is smaller than a sum of the upper surface areas of the one or more light emitting elements, and the lower surface area of the light transmissive member (2, 2C) is larger than a sum of the upper surface areas of the one or more light emitting elements, and the light transmissive member (2, 2C) is formed into a convex shape from the lower surface (7, 7C) to the upper surface (3, 3C), and has first lateral surfaces (4, 4C) contiguous with the upper surface (3, 3C), second lateral surfaces (6, 6C) contiguous with the lower surface (7, 7C), wherein the light transmissive member (2, 2C) further has curved surfaces contiguous with both the first lateral surfaces (4, 4C) and the second lateral surfaces (6, 6C), wherein an outline of the lower surface (7, 7C) of the light transmissive member (2, 2C) is positioned outside an outline of entire upper surfaces of the one or more light emitting elements, wherein the light emitting elements and the light transmissive member (2, 2C) are bonded using an adhesive material, the adhesive material is disposed from the upper surfaces continuously to at least one portion of the lateral surfaces of the light emitting elements, and interposed between the light reflective member and the lateral surfaces of the light emitting elements, and the upper surface of the adhesive material interposed between the light reflective member and the lateral surfaces of the light emitting elements is in contact with the lower surface (7, 7C) of the light transmissive member (2, 2C).