Abstract: A micro-lens module including a first lens group and a second lens group is provided. The first lens group is disposed between an object side and an image side, wherein a surface closest to the object side in the first lens group is a first aspheric surface, whose radius of curvature is r1. A surface closest to the image side in the first lens group is a second aspheric surface, whose radius of curvature is r2. The second lens group is disposed between the first lens group and the image side, wherein a surface closest to the first lens group in the second lens group is a third aspheric surface, whose radius of curvature thereof is r3. A surface closest to the image side in the second lens group is a fourth aspheric surface. The micro-lens module satisfies: 0.6>r1>0.4 mm, and 0.3<r1/r2<0.6.

Abstract: An image sensor module having a light gathering region and a light non-gathering region includes an image sensor, a lens barrel and a lens layer. The lens barrel is disposed on the image sensor and located in the light non-gathering region and has a through hole exposing a portion of the image sensor in the light gathering region. A material of the lens barrel includes a thermoplastic with a melting point higher than soldering temperature. The lens layer is disposed on an end portion of the lens barrel away from the image sensor and covers the through hole. The lens layer includes a glass substrate and a lens disposed on the glass substrate and located in the light gathering region.

Abstract: A micro-lens module including a first lens, a second lens, and an aperture stop is provided. The first lens is disposed between an object side and an image side, wherein a first surface of the first lens facing the object side is an aspheric surface, and the curvature radius of the aspheric surface is R1. The second lens is disposed between the first lens and the image side, wherein a second surface of the second lens facing the image side is an aspheric surface, and the curvature radius of the aspheric surface is R2. The aperture stop is disposed between the first lens and the second lens, wherein the distance from the first surface to the aperture stop is d1, and the distance from the second surface to the aperture stop is d2. The micro-lens module satisfies 6>d2/d1>2.5 and ?2.5<R1/R2<1.5.

Abstract: An imaging optical device includes a first lens group and a second lens group disposed in an order from the object side to the image side. The first lens group has a positive refractive power, and includes at least a first lens, a second lens and a third lens in an order from an object side to an image side. The third lens has a convex image-side surface. The second group has a negative refractive power and includes at least three lenses.

Abstract: An image sensor module having a light gathering region and a light non-gathering region includes an image sensor, a light blocking spacer, a lens layer and a fixing shell. The light blocking spacer is disposed on the image sensor and located in the light non-gathering region. The light blocking spacer has a through hole exposing a portion of the image sensor in the light gathering region. The lens layer is disposed on the light blocking spacer and covers the through hole. The lens layer includes a transparent substrate and a lens disposed on the transparent substrate and located in the light gathering region. The fixing shell located in the light non-gathering region wraps the sidewalls of the image sensor, the light blocking spacer and the lens layer continuously. The material of the fixing shell includes a thermosetting material. A method for manufacturing the image sensor module is also provided.

Abstract: An image sensor module having a light gathering region and a light non-gathering region includes an image sensor, a lens barrel and a lens layer. The lens barrel is disposed on the image sensor and located in the light non-gathering region and has a through hole exposing a portion of the image sensor in the light gathering region. A material of the lens barrel includes a thermoplastic with a melting point higher than soldering temperature. The lens layer is disposed on an end portion of the lens barrel away from the image sensor and covers the through hole. The lens layer includes a glass substrate and a lens disposed on the glass substrate and located in the light gathering region.

Abstract: A wafer level optical apparatus includes a wafer level lens unit for receiving light. The wafer level lens unit includes a lens substrate having a partial surface with a slope greater than zero and at least one lens adhered to a surface of the lens substrate.

Abstract: A compact camera module (CCM) includes an image sensor, a lens unit and a specific filter glass unit. The image sensor is used for sensing an image. The lens unit is used for guiding light beams toward the image sensor. The specific filter glass unit is implemented external to the lens unit and has the image sensor and the lens unit disposed on opposite sides of the specific filter glass unit, for filtering out a specific light of the light beams.

Abstract: A molding apparatus for lenses includes first and second molding units. Each of the first and second molding units has a mold core holder, a plurality of mold cores disposed in the mold core holder, and a plurality of fixing elements. The mold core holder has an abutment surface and a plurality of cavities, each of which includes an open end and a positioning portion. Each fixing element engages removably the positioning portion of a respective cavity, and retains a respective mold core in the respective cavity. Individual removal of the mold cores for replacement is permitted by operating the fixing elements.

Abstract: A molding apparatus for lenses includes first and second molding units, each of which has a mold core holder, a plurality of mold cores disposed in the mold core holder, and a clamp unit provided within the mold core holder. The mold core holder has an abutment surface, and a plurality of cavities extending inwardly from the abutment surface and receiving respectively the mold cores. The cavities include cavity walls, respectively. The clamp unit includes a plurality of clamp elements attached to the clamp unit to clamp respectively the mold cores against the cavity walls. Individual removal of the mold cores of the molding units for replacement is permitted by operating the clamp elements.

Abstract: A molding apparatus for lenses includes first and second molding units, each of which has a mold core holder, a plurality of mold cores disposed in the mold core holder, and a clamp unit provided within the mold core holder. The mold core holder has an abutment surface, and a plurality of cavities extending inwardly from the abutment surface and receiving respectively the mold cores. The cavities include cavity walls, respectively. The clamp unit includes a plurality of clamp elements attached to the clamp unit to clamp respectively the mold cores against the cavity walls. Individual removal of the mold cores of the molding units for replacement is permitted by operating the clamp elements.

Abstract: A molding apparatus for lenses includes first and second molding units. Each of the first and second molding units has a mold core holder, a plurality of mold cores disposed in the mold core holder, and a plurality of fixing elements. The mold core holder has an abutment surface and a plurality of cavities, each of which includes an open end and a positioning portion. Each fixing element engages removably the positioning portion of a respective cavity, and retains a respective mold core in the respective cavity. Individual removal of the mold cores for replacement is permitted by operating the fixing elements.