Abstract: An optical imaging apparatus includes a plurality of optical lenses. The optical lenses are arranged along an optical axis to capture an image in an image capture direction and project the image on an imaging plane. The plurality of optical lenses are divided into at least one fixed lens set and at least one movable lens set. The fixed lens set is fixedly disposed, and the movable lens set is configured to move relative to the fixed lens set, so as to adjust focal lengths of the optical lenses.

Abstract: An optical imaging apparatus includes a plurality of optical lenses. The optical lenses are arranged along an optical axis to capture an image in an image capture direction and project the image on an imaging plane. The plurality of optical lenses are divided into at least one fixed lens set and at least one movable lens set. The fixed lens set is fixedly disposed, and the movable lens set is configured to move relative to the fixed lens set, so as to adjust focal lengths of the optical lenses.

Abstract: An image capturing module for saving focusing time and increasing assembly flatness and a method of assembling the same are disclosed. The image sensing chip has a first horizontal top surface, the optical filter has a second horizontal top surface, and the first horizontal top surface and second horizontal top surface are obtained by a horizontal correction system using a laser light source. The distance from the second horizontal top surface to the first horizontal top surface is defined as a predetermined fixed focusing distance. Whereby, the movable lens assembly is directly disposed on the second horizontal top surface to save the focusing time of the movable lens assembly relative to the image sensing chip, and the first horizontal top surface and the second horizontal top surface are horizontal to each other for increasing the assembly flatness of the movable lens assembly relative to the image sensing chip.

Abstract: An image capturing module includes an image sensing unit, a housing frame, an actuator structure and a reflecting material. The image sensing unit includes an image sensing chip having a first horizontal top surface. The reflecting material is temporarily placed on the movable lens assembly of the actuator structure. The reflecting material has a second horizontal top surface. The distance from the laser light source to the first horizontal top surface is defined as a first horizontal distance, the distance from the laser light source to the second horizontal top surface is defined as a second horizontal distance, and a predetermined fixed focusing distance from the second horizontal top surface to the first horizontal top surface is obtained by subtracting the second horizontal distance from the first horizontal distance, for shortening the focusing time of the movable lens assembly relative to the image sensing chip.

Abstract: An image capturing module includes an image sensing unit, a housing frame, an actuator structure and a reflecting material. The image sensing unit includes a carrier substrate and an image sensing chip, and the image sensing chip has a first horizontal top surface on the top side thereof. The housing frame is disposed on the carrier substrate to surround the image sensing chip. The actuator structure includes a lens holder disposed on the housing frame and a movable lens assembly movably disposed inside the lens holder. The reflecting material is movably and temporarily placed on the movable lens assembly, and the reflecting material has a second horizontal top surface on the top side thereof. The first horizontal top surface and the second horizontal top surface are horizontal to each other, for increasing the assembly flatness of the movable lens assembly relative to the image sensing chip.

Abstract: An image capturing module for saving focusing time and increasing assembly flatness and a method of assembling the same are disclosed. The image sensing chip has a first horizontal top surface, the optical filter has a second horizontal top surface, and the first horizontal top surface and second horizontal top surface are obtained by a horizontal correction system using a laser light source. The distance from the second horizontal top surface to the first horizontal top surface is defined as a predetermined fixed focusing distance. Whereby, the movable lens assembly is directly disposed on the second horizontal top surface to save the focusing time of the movable lens assembly relative to the image sensing chip, and the first horizontal top surface and the second horizontal top surface are horizontal to each other for increasing the assembly flatness of the movable lens assembly relative to the image sensing chip.

Abstract: An image capturing module includes an image sensing unit, a housing frame, an actuator structure and a reflecting material. The image sensing unit includes a carrier substrate and an image sensing chip, and the image sensing chip has a first horizontal top surface on the top side thereof. The housing frame is disposed on the carrier substrate to surround the image sensing chip. The actuator structure includes a lens holder disposed on the housing frame and a movable lens assembly movably disposed inside the lens holder. The reflecting material is movably and temporarily placed on the movable lens assembly, and the reflecting material has a second horizontal top surface on the top side thereof. The first horizontal top surface and the second horizontal top surface are horizontal to each other, for increasing the assembly flatness of the movable lens assembly relative to the image sensing chip.

Abstract: An image capturing module includes an image sensing unit, a housing frame and an actuator structure. The image sensing unit includes a carrier substrate and an image sensing chip disposed on the carrier substrate and electrically connected to the carrier substrate. The housing frame is disposed on the carrier substrate through a surrounding adhesion structure to surround the image sensing chip. The surrounding adhesion structure includes a surrounding adhesive layer having a uniform thickness and a plurality of spherical particles having the same size. The surrounding adhesive layer is adhesively disposed between the carrier substrate and the housing frame, and each spherical particle is disposed between the carrier substrate and the housing frame and enclosed by the surrounding adhesive layer. The actuator structure includes a lens holder disposed on the housing frame and a movable lens assembly movably disposed inside the lens holder.

Abstract: An image capturing module includes an image sensing unit, a housing frame, an actuator structure and a reflecting material. The image sensing unit includes an image sensing chip having a first horizontal top surface. The reflecting material is temporarily placed on the movable lens assembly of the actuator structure. The reflecting material has a second horizontal top surface. The distance from the laser light source to the first horizontal top surface is defined as a first horizontal distance, the distance from the laser light source to the second horizontal top surface is defined as a second horizontal distance, and a predetermined fixed focusing distance from the second horizontal top surface to the first horizontal top surface is obtained by subtracting the second horizontal distance from the first horizontal distance, for shortening the focusing time of the movable lens assembly relative to the image sensing chip.

Abstract: A light guide module is applied in an optical touch module. A focusing component of the light guide module focuses the light emitted from a light guide component of the light guide module, so that all the light emitted from the light guide component can be convergently distributed in a touch area of the optical touch module. In this way, the light provided by a lighting component of the optical touch module can be effectively utilized, and the signal to noise ratio of the received signal of a sensor of the optical touch module increases. Therefore, the optical touch module can determines the location of the finger or the contacting object more correctly.

Abstract: An optical touch device includes a transparent substrate and at least a light emitting and receiving unit. The transparent substrate has a touch surface, a first light incidence surface and a first light emitting surface. Each light emitting and receiving unit includes a linear light source, a light path adjusting component and a light sensing component. The linear light source is disposed beside the first light incidence surface. The light path adjusting component is disposed between the linear light source and the first light incidence surface and configured for adjusting the incidence angles of the optical signals striking at the first incidence surface so that each of the optical signals enters into the transparent substrate through the first incidence surface with a predetermined angle. The light sensing component is disposed beside the first light emitting surface. The optical touch device has a high light utility efficiency.

Abstract: An optical touch device having a touch area is provided. The optical touch device includes at least a light sensing module disposed beside the touch area. The light sensing module includes a sensing unit and at least a reflecting member. The sensing unit has a plurality of sensing regions. Each of the sensing regions has a field of view. The at least a reflecting member is disposed in the front of at least one of the sensing regions so as to turn the field of view of the corresponding sensing region. The optical touch device is adapted to be applied to an electronic product. Moreover, two light sensing modules are also provided.

Abstract: An optical touch device includes a transparent substrate and at least a light emitting and receiving unit. The transparent substrate has a touch surface, a first light incidence surface and a first light emitting surface. Each light emitting and receiving unit includes a linear light source, a light path adjusting component and a light sensing component. The linear light source is disposed beside the first light incidence surface. The light path adjusting component is disposed between the linear light source and the first light incidence surface and configured for adjusting the incidence angles of the optical signals striking at the first incidence surface so that each of the optical signals enters into the transparent substrate through the first incidence surface with a predetermined angle. The light sensing component is disposed beside the first light emitting surface. The optical touch device has a high light utility efficiency.

Abstract: A light guide module is applied in an optical touch module. A focusing component of the light guide module focuses the light emitted from a light guide component of the light guide module, so that all the light emitted from the light guide component can be convergently distributed in a touch area of the optical touch module. In this way, the light provided by a lighting component of the optical touch module can be effectively utilized, and the signal to noise ratio of the received signal of a sensor of the optical touch module increases. Therefore, the optical touch module can determines the location of the finger or the contacting object more correctly.

Abstract: An optical amplifier includes an optical fiber having a core doped with transition metal ions, and at least one glass cladding enclosing the core. By using the fiber, the optical amplifier of the invention has a gain bandwidth of more than 300 nm including 1300-1600 nm band in low-loss optical communication.

Abstract: An optical amplifier includes an optical fiber having a core doped with transition metal ions, and at least one glass cladding enclosing the core. By using the fiber, the optical amplifier of the invention has a gain bandwidth of more than 300 nm including 1300-1600 nm band in low-loss optical communication.