Abstract:
An optical system according to an embodiment includes first to third lenses disposed along an optical axis from an object side to a sensor side direction, wherein the first lens has a meniscus shape convex toward the object side, and satisfies 1.7≤nt_1≤2.3 and TTL≤6 mm. (nt_1 is the refractive index of the first lens with respect to the light of the t-line wavelength band, and TTL is the distance on the optical axis from the object-side surface of the first lens to the upper surface of the image sensor.)
Abstract:
An embodiment discloses a semiconductor device package comprising: a substrate; an electrode disposed on the substrate; a semiconductor device and a protective device which are disposed on the electrode; a dummy electrode disposed on the substrate and spaced apart from the electrode along the edge of the substrate; a reflective member disposed on the dummy electrode and having an outer surface, an inner surface surrounding the semiconductor device and forming a cavity, and a bottom surface facing the substrate; and a light-transmitting member disposed on the reflective member and covering the cavity, wherein the inner surface includes a first surface adjacent to the substrate and a second surface extending from the first surface to the light-transmitting member and having a parabolic shape, and the bottom surface of the reflective member has a first recess disposed on the protective device between the dummy electrode and the inner surface.
Abstract:
The camera module disclosed in the embodiment of the invention includes a lens barrel having a through hole therein; and first, second and third lenses coupled to the through hole of the lens barrel and aligned with an optical axis from an object side to a sensor side. The materials of the first and second lenses are different, a refractive index of the second lens is lower than a refractive index of the first lens, the second lens includes a flange portion extending from the optical axis toward an inner surface of the lens barrel, and a length of a first contact surface in which the flange portion of the second lens contacts the inner surface of the lens barrel is 20% to 50% of a thickness of the flange portion. An object-side third surface and a sensor-side fourth surface of the second lens have different radii of curvature on the optical axis, and a center of the first contact surface where the flange portion of the second lens contacts the inner surface of the lens barrel may be located closer to a side having a greater radius of curvature among the third surface and the fourth surface based on a center of the thickness of the flange portion.
Abstract:
Disclosed are a luminous flux control member, which includes an incident surface onto which a light is incident, a reflective surface reflecting the incident light, and a light exit surface outputting the reflected light according to at least two orientation angles based on one direction perpendicular to a central axis connecting a center of the incident surface with a center of the reflective surface, a light emitting device and a display device having the same. The uniformity in the brightness of the display device is ensured and the display device is realized in small size
Abstract:
Disclosed is a light emitting module which includes a base and a plurality of light sources arranged on the base. Here, at least some of the plurality of light sources have a rectangular planar shape, and the plurality of light sources are arranged so that at least one of long-axis direction or short-axis direction of at least some of the plurality of light sources are alternately changed in at least one of row direction or column direction.
Abstract:
Embodiments provide a light-emitting apparatus including at least one light source, a wavelength converter configured to convert a wavelength of light emitted from the light source, a reflector configured to reflect the light having the wavelength converted in the wavelength converter and light having an unconverted wavelength, and a refractive member disposed in a light passage space between the reflector and the wavelength converter, the refractive member being configured to emit the reflected light.
Abstract:
Embodiments provide a light-emitting apparatus including a light source, a carrier spaced apart from the light source in an optical-axis direction, a wavelength converter disposed in a first area of the carrier and configured to convert a wavelength of light emitted from the light source, and at least one coil and at least one magnet disposed in a second area of the carrier and configured to generate electromagnetic force so as to vibrate the carrier in at least one vibration direction, the vibration direction being different from the optical-axis direction.
Abstract:
Provided are an illuminating member capable of enabling the conversion of a color temperature and a light device using the illuminating member, the illuminating member including: a light emitting member outputting conversion beams having different color temperatures according to each thickness of regions through which an excited beam incident to a first opening passes; and a driving part for changing a thickness of the light emitting member through which the excited beam passes according to a color temperature to be controlled by changing a position or situation of the light emitting member.
Abstract:
A light emitting device of an embodiment includes at least one light source; a wavelength conversion unit for converting the wavelength of excitation light so as to emit the excitation light having the converted wavelength as conversion light; a light transfer unit disposed on a light path between the at least one light source and the wavelength conversion unit for transferring the excitation light to the wavelength conversion unit; and a light-path controller moving at least a part of the light transfer unit so as to adjust at least one from among the direction and intensity of excitation light which enters the wavelength conversion unit.
Abstract:
A light emitting device package includes a package body, first and second lead frames located on the package body, a light source mounted on at least one of the first or second lead frames, a lens located on the package body, and a wavelength conversion unit partially located on the package body between the package body and the lens.