摘要:
An apparatus and a method for changing optical tweezers are provided. The apparatus includes a diffractive optical element (DOE), a mask unit and an objective lens. The DOE includes a plurality of phase delay patterns. The mask unit includes a plurality of mask patterns that correspond to the phase delay patterns, respectively, wherein at least a portion of the mask patterns are complementary. A laser beam passing through each phase diffractive pattern correspondingly passes through each mask pattern to generate a compound diffractive pattern. The objective lens receives the compound diffractive pattern and focuses it on an examining object to form an optical tweezers.
摘要:
An optical disk mold is provided. The optical disk mold includes a first mold plate, a second mold plate, and a stamper. A mold cavity having a disk-shape is included between the first mold plate and the second mold plate for manufacturing an optical disk. A heat-keeping surface layer formed by a spraying process is included on a surface of the second mold plate in the mold cavity, so that the optical disk mold has a better pattern-transferring ability, and the cycle time of producing the disk can be shortened. The stamper lies on the heat-keeping surface layer of the second mold plate. A microstructure pattern is included on a surface of the stamper, so as to transfer the microstructure pattern to the produced optical disk.
摘要:
Light emitting diodes are arranged in a matrix under an incident surface of a light guide panel. The incident surface includes a plurality of incident blocks arranged with each incident block respectively positioned beside a corresponding LED. Each incident block includes a plurality of surfaces having different normal vectors or curvature radiuses for scattering light emitted from the corresponding LED. A reflection film may be used to reflect light generated from the plurality of LEDs and a diffuser sheet may be positioned at one side of a light-exit surface of the light guide panel.
摘要:
The present invention provides an optical disk and, more particularly, an optical disk including a data side and a label side. The data side has a first pregroove on which a plurality of first position marks are marked to provide an optical pickup unit with a basis for writing data onto the data side or reading data from the data side. In addition, the label side has a label layer and a second pregroove on which a plurality of second position marks are marked to provide the optical pickup unit with a basis for forming an image onto the label side.
摘要:
A light-emitting device includes a plurality of light emitting diodes arranged in a matrix manner and a light guide panel. The light guide panel includes a light-exit surface and an incident surface. The incident surface includes a plurality of incident blocks arranged in a matrix manner correspondingly positioned beside the plurality of LEDs, each incident block includes a plurality of surfaces with different normal vectors for scattering light emitted from a corresponding LED.
摘要:
A patterned retardation film including a base substrate, a patterned resin layer and a liquid crystal layer is provided. The patterned resin layer having plurality of first areas and a plurality of second areas is disposed on the base substrate. The combination of the first and second areas is a grating-like stripe structure. The patterned resin layer includes an aligning micron structure. The aligning micron structure includes a plurality of first sub micron grooves and a plurality of second sub micron grooves respectively located in the first areas and the second areas. The liquid crystal layer is disposed on the patterned resin layer and aligned with the aligning micron structure. The liquid crystal layer disposed above the first areas provides a first phase retardation. The liquid crystal layer disposed above the second areas provides a second phase retardation.
摘要:
A patterned phase retardation film is disclosed, which includes substrate, a phase retardation layer on the substrate comprising a plurality of first regions of liquid crystal materials and a plurality of second regions of curable resin, wherein the first regions and the second regions are in a grating stripe structure which is parallel and interleaved with each other the top part of the second regions is formed with at least one inclined plane; and a planarization layer for planarizing the phase retardation layer; wherein the first regions provide a first phase retardation and second regions provide a second phase retardation, the first phase retardation and the second phase retardation have a phase difference of 180°. The method for manufacturing the patterned phase retardation film is also disclosed.
摘要:
A patterned retarder film comprises a first substrate, a pattern configuration, an alignment layer formed on the pattern configuration, and a liquid crystal layer disposed on the alignment layer. The pattern configuration comprises a plurality of first regions and a plurality of second regions, wherein the first regions are grating relief structure and interleaved with the second regions. A liquid crystal layer is coated on the alignment layer to cover the first regions and the second regions of the pattern configuration to a plane with a determined thickness on the surface of the first regions. The first phase retardation of the liquid crystal layer on the first regions and the second phase retardation of the liquid crystal layer on the second regions are different by 180°. The method for manufacturing the same is disclosed.
摘要:
A patterned retarder film with a plurality of first retardation regions and a plurality of second retardation regions and a method for manufacturing the same are provided. The method includes providing a base film; forming an alignment layer on a first surface of the base film; coating a liquid crystal material on the alignment layer as a liquid crystal layer; aligning the liquid crystal layer with the alignment layer; embossing the liquid crystal layer with a predetermined pattern to form a patterned layer with a plurality of first and second retardation regions. The structure of the first and second retardation regions are grating-like stripe structure and parallel to each other and the structure of the second retardation regions are grooving-like stripe structure and interleaved with each other. The patterned liquid crystal layer is cured. The phase retardation of the first and second retardation regions is different by 180°.
摘要:
An optical tweezers lifting apparatus is provided. The optical tweezers lifting apparatus includes an optical tweezers and a particle-lifting device. The particle-lifting device includes a substrate and a plurality of electrodes that are disposed on the bottom of a flow path in the substrate. When a dielectrophoresis (DEP) solution with a plurality of floating particles is conducted into the flow path and upon those electrodes and a voltage is applied to these electrodes, these particles would be driven by a negative DEP force to move upward to a specific depth in the flow path. Meanwhile, the optical tweezers of the apparatus is selectively focused at the specific depth in the flow path.