Abstract:
A crucible includes a main body and a cover. The main body includes a first end surface, an opposite second end surface, a hollow part and a solid part. The hollow part and the solid part extend from the first end surface to the second end surface. The hollow part defines a receiving space. The first end surface defines an opening communicating with the receiving space, and includes a step positioned between the hollow part and the solid part. The solid part includes a heat end adjacent to the step. The heat end is heated by an electro-beam. The cover covers the opening, and defines a number of gas holes. The main body and the cover are made of thermal conductive refractory material.
Abstract:
An electronic device housing includes a substrate, a film structure, and a protective film. The film structure includes an adhesive film, a film stack, and a protective film. The adhesive film is deposited onto the substrate. The film stack is deposited onto the adhesive film alternating dielectric films and metal films. The metal films are non-continuous with a total thickness of the metal films at a predetermined value. The protective film is deposited onto an upper film of the film stack.
Abstract:
An infrared absorbing filter includes a glass plate molded by melting a composition of raw materials and cooling the melted composition. The composition of raw materials includes 28-33 by percentage weight (wt %) of phosphorus pentoxide (P2O5), 14-33 wt % of A oxide (A2O), 0.15-4 wt % of B oxide (BO), 2.5-8 wt % of copper oxide (CuO), 1.4-1.65 wt % of aluminum oxide (Al2O3). Wherein A is one of alkali metals, A2O is one of oxidizing alkali metals, B is one of alkaline earth metals, BO is one of oxidizing alkaline earth metals.
Abstract translation:红外吸收滤光器包括通过熔化原料组合物并冷却熔融的组合物而模制的玻璃板。 原料的组成包括五氧化二磷(P 2 O 5)的重量百分比(wt%),氧化铝(A2O)为14-33wt%,氧化硼(BO)为0.15-4wt%,氧化硼(BO))为2.5-8wt% 重量百分比的氧化铜(CuO),1.4-1.65%(重量)的氧化铝(Al2O3)。 其中A为碱金属之一,A2O为氧化性碱金属之一,B为碱土金属之一,BO为氧化碱土金属之一。
Abstract:
A color wheel includes a motor, a carrier, a number of color filter segments, a layer of adhesive, and an ultraviolet (UV) filter. The motor includes a rotor. The carrier is fixed to the rotor. The color filter segments are adhesively attached to the carrier. The ultraviolet filter is placed so that the adhesive is interposed between the UV filter and the carrier. The ultraviolet filter is substantially similar to the color filter segments in shape and size.
Abstract:
An IR-cut filter includes a substrate and a film. The substrate made of sapphire. The film is covered on the substrate and is configured for increasing reflectivity of infrared lights and filtering the infrared lights. The film includes a plurality of high refractive index layers and a plurality of low refractive index layers alternately stacked on the substrate. The refractive index of the high refractive index layers is greater than about 2.0, and the refractive index of the low refractive index layers is lower than about 1.5.
Abstract:
A crucible includes a hollow main body defining an opening, a heat body, and a cover. The heat body is received in and connected with the main body. The heat body includes a heat end extending out of the main body through the opening. The heat end can be heated by an electro-beam. The cover is supported by the main body and covers the opening and defines a center hole and a number of gas holes. The heat end passes through the center hole. The main body, the heat body, and the cover are made of thermal conductive refractory material.
Abstract:
An optical lens includes a lens body and an anti-reflection film. The lens body includes an optically effective portion and a peripheral portion surrounding the optically effective portion. The optically effective portion is configured for transmitting light therethrough. The optically effective portion has a first surface and an opposite second surface. The first and second surfaces each have a curvature of greater than zero. The anti-reflection film is formed on the first surface of the optically effective portion. A reflectivity of the anti-reflection film to light rays has wavelengths in a range from about 400 nm to about 850 nm being lower than 2%.
Abstract:
An infrared cut filter includes a substrate, a first membrane group on the substrate, a second membrane group on the first membrane group and a third membrane group on the second membrane group. The first, second, third membrane groups include a plurality of first, second, third combined membranes. Each first combined membrane includes a high-refractive index membrane having an optical thickness of 1.2 times λ/4 and a low-refractive index membrane having an optical thickness of 0.6 times λ/8 in an alternating fashion. Each second combined membrane includes a high-refractive index membrane having an optical thickness of 1.1 times λ/4 and a low-refractive index membrane having an optical thickness of 1.1 times λ/8 in an alternating fashion. Each third combined membrane includes a high-refractive index membrane having an optical thickness of 1.3 times λ/4 and a low-refractive index membrane having an optical thickness of 1.3 times λ/8 in an alternating fashion.
Abstract:
An optical element includes a substrate and an antireflection film coated on a surface of the substrate. The antireflection film includes a bottom layer, a range broadening layer, and a top layer in order from the substrate side. The bottom layer is formed using a middle refractive index material. The range broadening layer includes: a first layer formed using a high refractive index material; a second layer formed using a low refractive index material; a third layer formed using a high refractive index material; a fourth layer formed using a low refractive index material; and a fifth layer formed using a high refractive index material. The top layer is formed using a low refractive index material. Wherein, d=λ/(4×n), λ is a wavelength of incident light, n is a refractive index of the corresponding film material.
Abstract:
A lens module includes a lens barrel, at least one lens, and a filter element. The lens barrel includes an object-side end and an image-side end opposite to the object-side end. The at least one lens is received in the lens barrel. The filter element is received in the lens barrel, and includes a transparent substrate, an anti-reflection film, and an infrared filtering film. The transparent substrate includes an object-side surface facing the object-side end and an image-side surface facing the image-side end. The anti-reflection film is coated on the object-side surface, and the infrared filtering film is coated on the image-side surface.