There is provided a mold manufacturing method, including: preparing a glass mold formed of a glass material, as a molding mold for manufacturing an optical member having convex defocus portions on at least one of optical surfaces (S11); and irradiating a surface of the glass mold for forming the optical surface, with a short-pulse laser beam to form concave portions corresponding to the defocus portions (S12).

In a multi-panel display device in which plural individual display devices are joined, it is possible to guarantee image continuity in panel junction areas of the multi-panel display device by disposing a frame-type optical member, which includes a frame section having plural optical fibers and a central light-transmitting area, on the front surface of the multi-panel display device and optimizing structures of an inner inclined surface of the frame section of the frame-type optical member and optical fibers included in the frame section.

An object of the present invention is to provide a method for forming an antiglare hard coat layer having a concavo-convex shape that exhibits a good antiglare property and being superior in scratch resistance.

Resin compositions, layers, and interlayers comprising two or more thermoplastic polymers and at least one RI balancing agent for adjusting the refractive index of at least one of the resins or layers is provided. Such compositions, layers, and interlayers exhibit enhanced optical properties while retaining other properties, such as impact resistance and acoustic performance.

In a multi-panel display device in which plural individual display devices are joined, it is possible to guarantee image continuity in panel junction areas of the multi-panel display device by disposing a frame-type optical member, which includes a frame section having plural optical fibers and a central light-transmitting area, on the front surface of the multi-panel display device and optimizing structures of an inner inclined surface of the frame section of the frame-type optical member and optical fibers included in the frame section.

A body phantom according to an embodiment includes a layered resin structure formed by combining a first material having a first refractive index and a second material having a second refractive index based on three-dimensional data that indicates an optical characteristic of a living body, wherein a mixing ratio of the second material to the first material to form the layered resin structure is a value corresponding to the optical characteristic.

A method for injection moulding an optical component (20), e.g. a cover for a luminaire, with an incorporated optical function, the component (20) comprising an injection moulded body (18) and at least one optically functional relief structure (4) applied thereto, the relief structure (4) forming or contributing to the optical function of the component (20) to be moulded, wherein the method comprises: (i) providing an insert (2) comprising the said optical structure (4) in the form of an open-face relief structure (4) provided on a face, surface or portion of the insert (2), (ii) mounting the insert (2) inside a mould cavity (11) in which the component (20) is to be moulded, with the open-face relief structure (4) facing and at least partially abutting a surface portion of the mould cavity (11), and (iii) rear-injection moulding a body (18) of the component (20) within the mould cavity (11) so as to incorporate the insert (2) in the component body (18), wherein the said method is carried out with parameters selected and/or controlled such that during the injection moulding step (iii) the temperature at or on the face, surface or portion of the insert (2) provided with the relief structure (4) remains below the lowest of the glass transition temperature, melting temperature and temperature of onset of thermal decomposition of the material of that face, surface or portion of the insert (2).

Glass filler-reinforced solid resins and methods of making the same. The method includes contacting a flowable resin composition and a tool. The flowable resin composition includes a flowable resin and glass filler. The method includes molding or forming the flowable resin composition with the tool. The method includes curing the flowable resin composition, to form the glass filler-reinforced solid resin. Substantially all the surface of the tool that contacts the flowable resin composition during the curing thereof has a surface roughness R.sub.a of about 2 microns or less. A refractive index of the glass filler is within about 0.100 of a refractive index of a cured product of the flowable resin in the glass filler-reinforced solid resin.

Resin compositions, layers, and interlayers comprising two or more thermoplastic polymers and at least one RI balancing agent for adjusting the refractive index of at least one of the resins or layers is provided. Such compositions, layers, and interlayers exhibit enhanced optical properties while retaining other properties, such as impact resistance and acoustic performance.

The present invention general related to a mold for making a contact lens comprises a first mold half having a first mold surface in contact with a polymerizable and/or crosslinkable silicone containing lens forming composition and a second mold half having a second mold surface in contact with the lens-forming composition, and the first mold half and the second mold half are configured to receive each other such that a cavity is formed between the first mold surface and the second mold surface. The cavity defines the shape of a contact lens to be molded. At least one of the mold halves is made from a sulfur containing polymer having a refraction index greater than 1.5. The dimension stability of the plastic mold can be improved.