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:
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:
A camera module disclosed in the embodiment of the invention includes a substrate; an image sensor disposed on the substrate; a lens assembly disposed on the image sensor and including a barrel portion having a plurality of lenses in a through hole; an optical filter disposed between the image sensor and a last lens; a housing disposed between an upper surface of the substrate and an outer circumference of the lens assembly; and an adhesive member that adheres the housing to the outer circumference of the lens assembly, wherein a package having the image sensor, the lens assembly, the housing, and the adhesive member have different thermal expansion coefficients from each other, an optical axis distance between a lens closest to the image sensor among the lenses with the lens assembly and the image sensor is BFL (Back focusing length), and a height from a lower surface of the lens assembly to an upper surface of the adhesive member may be greater than the BFL and 3 mm or less.
Abstract:
The optical system disclosed in the embodiment includes first to third lenses disposed along an optical axis from an object side toward a sensor side, the optical system satisfies 40°≤FOV≤50°, an object-side surface and a sensor-side surface of the first lens are spherical, the first lens has a meniscus shape convex toward the object side, the first lens satisfies: 1.7≤nt_1≤2.3 and 0.15≤D_1/TTL≤0.3, TTL satisfies: ≤9 mm (nt_1 is the refractive index of the first lens, TTL is a distance in the optical axis from an object-side surface of the first lens to an image surface of the image sensor, D_1 is the thickness of the first lens at the optical axis, and FOV is the field of view of the optical system.).
Abstract:
A camera module according to an embodiment of the present invention includes a prism part configured to convert incident light to parallel light in an optical axis direction, a tilting part through which the parallel light passes and which changes an optical path of the parallel light by changing an angle of a surface through which the parallel light passes, a lens part configured to collect the parallel light of which the optical path is changed, and an image sensor part configured to convert the parallel light collected by the lens part to an electrical signal, wherein the tilting part is disposed between the prism part and the lens part.
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.
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 first lens configured to face a light emission surface of the wavelength converter, and a rounded reflector spaced apart from the first lens, the reflector being configured to reflect light emitted from the first lens.
Abstract:
An embodiment relates to a lens driving device and a camera module including same. The lens driving device according to an embodiment can comprise: a base assembly; and a first lens assembly including a first lens housing and a first driving part housing so as to be disposed inside the base assembly and moving in parallel to a predetermined optical axis. The first driving part housing can comprise one or more first guide rail parts at one side thereof and a first group of balls arranged at the first guide rail part. The first guide rail part can comprise: a first guide body; a first guide groove formed on the first guide body; and a first guide protruding part formed on one side of the first guide body.