Abstract: A light emitting device includes first and second semiconductor laser elements and a collimate lens. The first semiconductor laser element irradiates a first light having a first peak wavelength in a visible range. The second semiconductor laser element irradiates a second light having a second peak wavelength in the visible range, which is different from the first peak wavelength. The collimate lens is arranged on paths of the first and second lights. The collimate lens has a plurality of lens portions including a first lens portion through which the first light passes, and a second lens portion through which the second light passes. The second lens portion is connected to the first lens portion, and the first and second lens portions are different from each other in at least one of a shape of a light incident surface, a shape of a light extracting surface, and a height.

Abstract: A light emitting device includes: a base; a first semiconductor laser element disposed on an upper surface of the base and configured to emit first light; a first light reflecting member disposed on the upper surface of the base and configured to reflect the first light upwards; a phosphor member having a lower surface onto which the first light is irradiated and an upper surface serving as a light extraction surface; and a light shielding member surrounding lateral surfaces of the phosphor member. First and second regions of the first light reflecting member are formed such that a portion of the light reflected by the first region that is reflected on a side close to the second region and a portion of the light reflected by the second region that is reflected on a side close to the first region intersect before reaching the lower surface of the phosphor member.

Abstract: A method of manufacturing a light emitting device includes: providing a light source including one or more semiconductor laser elements, an optical member including one or more lens parts, a condensing lens, and a photodetector, one above the other; causing at least one semiconductor laser element to emit light; determining a reference detection position of light; placing a first light-shielding member to shield a portion of the light passed through the lens parts; determining a post-shielding detection position; adjusting a distance between the light source and the optical member based on the reference detection position and the post-shielding detection position; and securing the optical member and the light source to each other.

Abstract: A light emitting device includes first and second semiconductor laser elements and a collimate lens. The first semiconductor laser element irradiates a first light having a first peak wavelength in a visible range. The second semiconductor laser element, irradiates a second light having a second peak wavelength in the visible range, which is different from the first peak wavelength. The collimate lens is arranged on paths of the first and second lights. The collimate lens has a plurality of lens portions including a first lens portion through which the first light passes, and a second lens portion through which the second light passes. The second lens portion is connected to the first lens portion, and the first and second lens portions are different from each other in at least one of a shape of a light incident surface, a shape of a light extracting surface, and a height.

Abstract: An optical component includes a wavelength converting member including a fluorescent part having an upper surface, a lower surface, and one or more lateral surfaces, and containing a fluorescent material, and a light-reflecting part adjacently surrounding the one or more lateral surfaces of the fluorescent part when viewed from above, and a light-transmissive member disposed below the wavelength converting member. A dielectric multilayer film is disposed on an upper surface of the light-transmissive member at least at a region facing the fluorescent part, the dielectric multilayer film is configured to transmit excitation light incident from below the light-transmissive member and to reflect fluorescent light emitted from the fluorescent part. Further, a space is formed between the fluorescent part and the dielectric multilayer film.

Abstract: A light emitting device includes: one or more semiconductor laser elements, each configured to emit laser light; one or more light-reflecting parts, each having a light-reflecting surface configured to reflect the laser light emitted from a corresponding one of the one or more semiconductor laser elements; and a fluorescent part having a light-receiving surface configured to be irradiated with the laser light reflected at the light-reflecting surface of each of the one or more light-reflecting parts; wherein an irradiated region is formed on the light-reflecting surface when the light-reflecting surface is irradiated with the laser light, the irradiated region including a first end and a second end opposite the first end; and wherein the light-reflecting surface of each of the one or more light-reflecting parts is arranged such that a portion of the laser light reflected at at least a first end of the irradiated region and a portion of the laser light reflected at a location other than the first end of the ir

Abstract: A light emitting device includes a base, a frame, one or more semiconductor laser elements, a cover member, an optical member fixed to the cover member via an adhesive member, and a pressing member. The adhesive member includes one or more first adhesive portion disposed between an upper surface of the cover member and a lower surface of the optical member, and two or more second adhesive portions respectively disposed at locations in contact with or spaced apart from the one or more first adhesive portions when viewed from above, in contact with the first inner lateral surface of the cover member and the lateral surface of the optical member.

Abstract: A light emitting device includes a semiconductor laser element configured to emit a first light, a wavelength converting member configured to emit a second light upon being irradiated by the first light, and a support member defining a through-hole allowing an optical path of the first light to pass through. The through-hole is defined by, in order from a light incident side to a light emitting side with respect to the first light, a lower portion with opening width decreasing from the light incident side to the light emitting side, and an upper portion where the wavelength converting member is fixed. The semiconductor laser element is disposed at a location allowing the first light to enter the lower portion of the through-hole while also allowing a part of the first light to be reflected at a wall defining the lower portion of the through-hole.

Abstract: A method of manufacturing a light-emitting device includes providing a base body including a base section; fixing a plurality of semiconductor laser elements on an upper surface of the base section; and fixing an optical member to the base body, the optical member including a plurality of lens sections, and a non-lens section disposed at a periphery of the plurality of lens sections in a top view. In the step of fixing the optical member: the optical member is arranged above the base body; (i) an inclination and a height of the optical member are adjusted after interposing an adhesive between the base body and the non-lens section, or (ii) an adhesive is interposed between the base body and the non-lens section after adjusting the inclination and the height of the optical member; and subsequently, the adhesive is cured to fix the optical member to the base body.

Abstract: An object is to realize a control system capable of displaying a display screen of a television receiver (control target device) including a high-resolution display device and quickly performing processes such as a movement of the display, a change in a display magnification, a change in a display angle, and the like through intuitive operations. In the control system (1000), by specifying one point of a display screen on a second display unit (23) of a remote control device (2), that is, acquiring one-point specifying information, it is possible to perform a display position changing process (movement process) using absolute position coordinates. Accordingly, for example, when a control target device (1) serves as a television receiver (control target device) including the high-resolution display device, the second display unit (23) of the remote control device is able to display a display screen of the control target device and quickly perform movement of the display through an intuitive operation.

Abstract: An object is to realize a control system capable of displaying a display screen of a television receiver (control target device) including a high-resolution display device and quickly performing processes such as a movement of the display, a change in a display magnification, a change in a display angle, and the like through intuitive operations. In the control system (1000), by specifying one point of a display screen on a second display unit (23) of a remote control device (2), that is, acquiring one-point specifying information, it is possible to perform a display position changing process (movement process) using absolute position coordinates. Accordingly, for example, when a control target device (1) serves as a television receiver (control target device) including the high-resolution display device, the second display unit (23) of the remote control device is able to display a display screen of the control target device and quickly perform movement of the display through an intuitive operation.

Abstract: The present invention relates to a method for treating an inflammatory bowel disease, including administering an effective amount of 1,4-dihydroxy-2-naphthoic acid or a salt thereof.

Abstract: The present invention relates to a method for treating an inflammatory bowel disease, including administering an effective amount of 1,4-dihydroxy-2-naphthoic acid or a salt thereof.