Abstract: A camera device according to one embodiment of the present invention comprises: a base; a first lens assembly which is disposed in the base and includes a first lens group and a first lens support unit to which the first lens group is fixed; a second lens assembly which is disposed in the base and includes a second lens group and a second lens support unit to which the second lens group is fixed; and a driving unit for moving the second lens assembly, wherein a first stopper member and a second stopper member are formed on the inner wall of the second lens support unit and spaced apart from each other by a distance that is greater than the height of the first lens assembly along the movement direction of the second lens support unit, the first lens assembly is accommodated between the first stopper member and the second stopper member in the second lens support unit, and the second lens assembly moves alongside the first lens assembly within the base.

Abstract: The embodiment relates to an image stabilization device and a camera module including the same. The image stabilization device according to the embodiment includes: a first prism for changing a path of a light beam; a second prism disposed below the first prism and changing a path of light beam emitted from the first prism; an image stabilization control unit for controlling a shape of the second prism including a coil part and a magnet part. The first prism may be disposed inside the image stabilization control unit. The second prism may be a variable wedge prism. The image stabilization control unit may control the path of the light beam by changing the shape of the second prism through the magnet part.

Abstract: Provided are a shaper unit and an image stabilization device. A shaper unit, according to one aspect of the present invention, comprises: a shaper body formed of a transparent material; first glass disposed on one side of the shaper body; a membrane disposed on one side of the first glass; a variable prism disposed on one side of the membrane; and a second glass disposed on one side of the variable prism.

Abstract: Embodiments relate to a camera actuator and a camera module including same. The camera actuator according to an embodiment comprises a lens unit, a shaper unit, a first driver coupled to the shaper unit, and a second driver arranged to correspond to the first driver. The shaper unit may include a first protruding region having a first protrusion which protrudes from a surface of a first side and a second protrusion which protrudes from another surface of the first side and is separated from the first protrusion; and a second protruding region comprising a third protrusion which protrudes from a surface of a second side and a fourth protrusion which protrudes from another surface of the second side and is separated from the third protrusion.

Abstract: A camera device according to one embodiment of the present invention comprises: a base; a first lens assembly which is disposed in the base and includes a first lens group and a first lens support unit to which the first lens group is fixed; a second lens assembly which is disposed in the base and includes a second lens group and a second lens support unit to which the second lens group is fixed; and a driving unit for moving the second lens assembly, wherein a first stopper member and a second stopper member are formed on the inner wall of the second lens support unit and spaced apart from each other by a distance that is greater than the height of the first lens assembly along the movement direction of the second lens support unit, the first lens assembly is accommodated between the first stopper member and the second stopper member in the second lens support unit, and the second lens assembly moves alongside the first lens assembly within the base.

Abstract: Provided are a shaper unit and an image stabilization device. A shaper unit, according to one aspect of the present invention, comprises: a shaper body formed of a transparent material; first glass disposed on one side of the shaper body, a membrane disposed on one side of the first glass; a variable prism disposed on one side of the membrane; and a second glass disposed on one side of the variable prism.

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: The embodiment relates to an image stabilization device and a camera module including the same. The image stabilization device according to the embodiment includes: a first prism for changing a path of a light beam; a second prism disposed below the first prism and changing a path of light beam emitted from the first prism; an image stabilization control unit for controlling a shape of the second prism including a coil part and a magnet part. The first prism may be disposed inside the image stabilization control unit. The second prism may be a variable wedge prism. The image stabilization control unit may control the path of the light beam by changing the shape of the second prism through the magnet part.

Abstract: Embodiments relate to a camera actuator and a camera module including same. The camera actuator according to an embodiment comprises a lens unit, a shaper unit, a first driver coupled to the shaper unit, and a second driver arranged to correspond to the first driver. The shaper unit may include a first protruding region having a first protrusion which protrudes from a surface of a first side and a second protrusion which protrudes from another surface of the first side and is separated from the first protrusion; and a second protruding region comprising a third protrusion which protrudes from a surface of a second side and a fourth protrusion which protrudes from another surface of the second side and is separated from the third protrusion.

Abstract: An embodiment provides an imaging lens comprising first to third lens groups arranged sequentially from an object side to an image side and having refractive power, wherein the distances of the second lens group and the third lens group from the first lens group are variable such that a tele mode having a narrow angle of view and a wide mode having a wide angle of view can be implemented, the EFL in the tele mode is no more than 2.5 times the EFL in the wide mode, 2<Fnumber<5 and 15 mm<TTL?40 mm.

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: An embodiment provides an imaging lens comprising first to third lens groups arranged sequentially from an object side to an image side and having refractive power, wherein the distances of the second lens group and the third lens group from the first lens group are variable such that a tele mode having a narrow angle of view and a wide mode having a wide angle of view can be implemented, the EFL in the tele mode is no more than 2.5 times the EFL in the wide mode, 2<Fnumber<5 and 15 mm<TTL?40 mm.

Abstract: The present invention relates to a camera module, and the present invention comprises: a lens unit; a lens barrel for fixing the lens unit; a substrate unit, which has an image sensor mounted thereon, for converting light incident through the lens unit into an electric signal; and a housing accommodating the substrate unit in an inner space thereof and of which one side is coupled to the lens barrel, and the present invention can comprise: a transmission coil accommodated inside the housing so as to form an electric field, and a conductive heating element arranged on an outer surface of the lens unit or on an outer circumferential surface of the lens barrel, and in which an induced current is generated by the electric field formed by the transmission coil. Since the present invention heats a lens by wirelessly supplying power to a heating element through simple configurations such as a transmission coil and the heating element, large changes are unnecessary in the volume and the structure of a camera module.

Abstract: The present invention relates to a camera module, and the present invention comprises: a lens unit; a lens barrel for fixing the lens unit; a substrate unit, which has an image sensor mounted thereon, for converting light incident through the lens unit into an electric signal; and a housing accommodating the substrate unit in an inner space thereof and of which one side is coupled to the lens barrel, and the present invention can comprise: a transmission coil accommodated inside the housing so as to form an electric field, and a conductive heating element arranged on an outer surface of the lens unit or on an outer circumferential surface of the lens barrel, and in which an induced current is generated by the electric field formed by the transmission coil. Since the present invention heats a lens by wirelessly supplying power to a heating element through simple configurations such as a transmission coil and the heating element, large changes are unnecessary in the volume and the structure of a camera module.

Abstract: Photoresist for forming the phosphor screen of color cathode-ray tube made up of the composition rate of pure water 10-50%, polyvinyl alcohol 5-30%, dichromate potassium salt 0.5-5%, diethylene glycol 0.5-10%, ethylene glycol 0.5-5%, urea 0.5-10%, acetamide 0.5-5%, butanediol 0.5-10%, paraaldehyde 0.5-5%, dioxane 0.5-5%, a surfactant 0.5-5%.