38results about How to "Prevent loss of light" patented technology

A solid-state imaging device according to the present invention includes a semiconductor substrate; a light-receiving element formed in the semiconductor substrate and photoelectrically converting incident light; and a plurality of wiring layers stacked on top of each other on a surface of the semiconductor substrate where the light-receiving element is formed. At least one of the plurality of wiring layers includes: a first insulating layer; metal wiring formed on the first insulating layer; an antireflection layer stacked on the first insulating layer and the metal wiring, preventing diffusion of a material making up of the metal wiring, and preventing reflection of the incident light; and a second insulating layer stacked on the antireflection layer.

A light-emitting diode (“LED”) package is disclosed. The LED package includes a substrate, a pad frame, an LED chip and a housing. The pad frame includes a conductive lead divided by insulation materials on the substrate. The LED chip is mounted on the conductive lead. The housing surrounds the LED chip and the conductive lead, and has opening recess exposing the LED chip and a part of the conductive lead. The conductive lead includes a protrusion extended in both directions substantially perpendicular to a longitudinal direction of the housing.

A rod-shaped light guide which does not cause unevenness in color at the portion near an incident face is produced by injection-molding transparent resin such as acryl and its surfaces include a light-emitting surface, a bottom face, left and right sides and end faces. One end face opposes a light emitting unit, and light scattering patterns for scattering light incident from the end face are formed on the bottom face. The light scattering patterns are different in shape between a portion near the end face as the incident face and a portion away from the end face. The light scattering patterns formed at the portion near the incident face are composed of a large number of fine hemispherical concaves, whereas the light scattering patterns at the portion away from the incident face are composed of triangular grooves or half cylindrical grooves, and the axial direction of these triangular grooves or half cylindrical grooves is equal to coincides with the width direction (sub-scanning direction) of the bottom face on which the patterns are formed.

The invention discloses a laser display system and a laser display method based on electro-optical deflection speckle suppression. The system comprises a laser device for generating laser, a polarizer for generating linear polarization light in a specific polarization direction, an electro-optical deflector for deflecting light beams through electro-optical modulation, a long-focal-length focusing lens for focusing the light beams, a scatter plate for scattering the focused light beam and further reducing the coherence of light fields, a dodging module which consists of a micro lens array, a light flux pipe and a focusing lens and is used for collecting the scattered light fields and shaping the light, a linear space light modulator for generating an image and a projection lens component for projecting the image on a screen. The laser display system is simple, controllable, high in stability, low in loss and free of mechanical motion and has a stable structure, and high-quality laser display is realized.

The invention discloses a water protection coating for automobile skeletons and automobile and motorcycles wheels, which essentially comprises by weight the following components: acrylic acid modified polyester 20-55 portions, methylated amino resin 4-20 portions, colorant 2.5-30 portions, dispersing agent 1-9 portions, flatting agent 0.2-1 portions, defoaming agent 0.01-0.5 portions, solving assistant 1-5 portions, pure water 10-30 portions, ethyleneglycol monobutyl ether 5-12 portions, and thixotropic agent 1-3 portions. The film of the coating is of excellent weatherability, resistance to salt fog, resistance to acid and alkaline, resistance to water, resistance to scrubbing by solvent, excellent stiffness, high hardness and resistance to scratching, is of excellent protective and decorative role for automobile skeletons and automobile and motorcycles wheels.

The invention relates to a focus detection optical system used with the so-called autofocus (AF) system mounted on single-lens reflex cameras (SLRs) or the like, and an imaging apparatus incorporating it. The focus detection optical system comprises at least n focus detection areas that are adjacent to or intersect each other on a predetermined imaging plane, where n≧2. A re-imaging lens group comprises n+1 re-imaging lenses, A (n−1)th re-imaging lens and an nth re-imaging lens are a pair of re-imaging lenses that correspond to a (n−1)th focus detection area and are adjacent to each other. An nth re-imaging lens and a (n+1)th re-imaging lens are a pair of re-imaging lenses that correspond to the nth focus detection area and are adjacent to each other. The (n−1)th re-imaging lens and (n+1)th re-imaging lens are located at different positions.

Provided is an optical system and an imaging apparatus provided with the optical system. The optical system includes: a first lens having negative refractive power; a second lens having negative refractive power; a third lens having positive refractive power; and a fourth lens having positive refractive power, the first lens, the second lens, the third lens, and the fourth lens being disposed in this order from an object side. The optical system satisfies a predetermined condition relating to the focal length of the optical system and the distance on the optical axis between an exit pupil and an imaging plane in the optical system.

Disclosed are a display apparatus and a light control method thereof, in which the display apparatus including a display panel, a light source unit, an illumination unit to illuminate the display panel with light emitted from the light source unit, and a projection unit to project the light from the display panel in a predetermined direction includes: a light sensor which is provided between the light source unit and the illumination unit; and a light controller which corrects brightness of light sensed by the light sensor on the basis of reflective characteristics of the display panel. With this configuration, the quantity of light is prevented from decreasing so as to prevent the brightness of an image from decreasing.

A liquid-crystal projection device includes an organic electroluminescent element that is sandwiched by an organic thin-film layer between an electrode layer that reflects light and a transparent electrode layer that transmits light, and a transparent liquid crystal panel that controls passage of light emitted from the surface of the organic electroluminescent element and also includes a half-mirror layer arranged on the side where light is output from the transparent electrode layer. Some of the incoming light is reflected through the transparent electrode layer to another electrode layer and the rest of the light is transmitted the distance between the half-mirror layer. The electrode layer is set to the optical distance of resonance of the light.

Disclosed are a display apparatus and a light control method thereof, in which the display apparatus including a display panel, a light source unit, an illumination unit to illuminate the display panel with light emitted from the light source unit, and a projection unit to project the light from the display panel in a predetermined direction includes: a light sensor which is provided between the light source unit and the illumination unit; and a light controller which corrects brightness of light sensed by the light sensor on the basis of reflective characteristics of the display panel. With this configuration, the quantity of light is prevented from decreasing so as to prevent the brightness of an image from decreasing.

An image pickup apparatus including a half mirror, a phase difference detecting AF sensor, an image pickup device, and a display is provided. The half mirror is provided so as to be movable between a first position on an optical path of the subject image light from the photographing optical system and a second position to which the half mirror is evacuated from the optical path of the subject image light. When the half mirror is in the second position, the image pickup device generates an actual photographing image on the basis of the subject image light reaching the image pickup device from the photographing optical system without passing through the half mirror.

A camera (1) has a tubular housing (3) having an emission window (7). A unitized optical fiber bundle (9) is provided on the inner surface of the housing (3) by utilizing a bundle of light guiding optical fibers on the inner surface. The unitized optical fiber bundle (9) is placed on and bonded to the inner surface of the housing (3) with the fibers bonded together by a bonding agent. An end section of the unitized optical fiber bundle (9) reaches the emission window (7) of the housing (3) to be exposed. The camera (1) has sufficient waterproof capability and is easy to produce, and capable of avoiding a decrease in the amount of light.

The invention relates to a dark green tea herbal drink and a preparation method of the dark green tea herbal drink. The dark green tea herbal drink is prepared from the following raw materials including black green tea, hawthorn, siraitia grosvenorii, lophatherum gracile, smoked plums, xylitol, honey and reverse osmosis pure water, wherein the black green tea, the hawthorn, the siraitia grosvenorii, the lophatherum gracile and the smoked plums are all measured after being dried; the raw materials including the black green tea, the hawthorn, the siraitia grosvenorii, the lophatherum gracile and the smoked plums are subjected to water extraction, wherein the black green tea is subjected to water extraction independently, leaching solutions are subjected to mixing, cooling and sedimentation, supernatant is collected, the xylitol and the acacia honey are added to the supernatant, the water is added to the mixture, the water and the mixture are mixed evenly at a constant volume, and the dark green tea herbal drink is obtained after filtration and sterilization. According to the dark green tea herbal drink and the preparation method of the dark green tea herbal drink, the compatibility of the raw materials in a formula is conducted in combination with theories of traditional Chinese medicine, various functions of the raw materials are preserved, damage of ingredients of the lophatherum gracile and other cold raw materials to the spleen and stomach is eliminated through intercoordination of the raw materials, and the prepared dark green tea drink tastes unique; since the extraction temperature is low, the situation that high temperature extraction causes a cooked taste and reduces leaching efficiency of tea polyphenols is avoided, and the effects that the taste is softened, functional components and natural fragrance are protected against damage are achieved.

A rod-shaped light guide which does not cause unevenness in color at the portion near an incident face is produced by injection-molding transparent resin such as acryl and its surfaces include a light-emitting surface, a bottom face, left and right sides and end faces. One end face opposes a light emitting unit, and light scattering patterns for scattering light incident from the end face are formed on the bottom face. The light scattering patterns are different in shape between a portion near the end face as the incident face and a portion away from the end face. The light scattering patterns formed at the portion near the incident face are composed of a large number of fine hemispherical concaves, whereas the light scattering patterns at the portion away from the incident face are composed of triangular grooves or half cylindrical grooves, and the axial direction of these triangular grooves or half cylindrical grooves coincides with the width direction (sub-scanning direction) of the bottom face on which the patterns are formed.

The invention provides a tough inorganic baked-porcelain paint. The paint is characterized in comprising the components of: a base material, distilled water, a pigment, an organic solvent, an organic acid adjusting agent, a silica curing agent, and a coupling agent. The pH value of the pigment is regulated to 8-10H by using sodium hydroxide, and preferably 8-9H. The base material is a nano-grade oxide. The organic solvent includes alcohols, ethers, and ketones. The silica curing agent includes ethylsilane substituted derivatives. After the paint is cured, a formed coating has high hardness, and the coating is not subjected to any oxidation reaction under high temperature. With an ultraviolet resistance, the coating has ultrahigh weatherability in the respects of color and gloss maintenances. The coating also has certain toughness, such that a coating cracking phenomenon is prevented when the coating is impacted by a hard object. The paint can cure under 0-185 DEG C, such that low-temperature curing can be carried out, such that energy consumption is low. Also, if a surface reparation problem occurs, curing reparation can be carried out with the assistance of a high-temperature incandescent lamp.

Provided is an optical system and an imaging apparatus provided with the optical system. The optical system includes: a first lens having negative refractive power; a second lens having negative refractive power; a third lens having positive refractive power; and a fourth lens having positive refractive power, the first lens, the second lens, the third lens, and the fourth lens being disposed in this order from an object side. The optical system satisfies a predetermined condition relating to the focal length of the optical system and the distance on the optical axis between an exit pupil and an imaging plane in the optical system.

The invention relates to the technical field of vibrating mirrors and specifically relates to a preview module and a dynamic focusing laser vibrating mirror so as to alleviate technical problems of large light loss and large occupied space in technologies of the prior art. The preview module comprises a first driving mechanism, a first transmission mechanism and a rocking arm, wherein a side face of the rocking arm is provided with a limiting groove, and a free end is provided with a red light emitting devices; the first transmission mechanism comprises a swing rod and a connecting piece, the swing rod is provided with a first installation hole and a second installation hole, the connecting piece is accommodated in the limiting groove after running through the first installation hole, an output shaft of the first driving mechanism extends into the second installation hole, the swing rod is driven by the first driving mechanism to rotate around the output shaft, rotation of the swing rod drives connecting piece to swing, and the rocking arm is driven to rise and fall via swinging of the connecting piece. The problem of light loss in the technologies of the prior art can be effectively prevented via the preview module and the dynamic focusing laser vibrating mirror disclosed in the invention, and installation space can be saved.

The invention relates to the technical field of coatings, and discloses a shell powder strong adsorption coating including the raw materials in parts by weight: 80-100 parts of shell powder, 20-40 parts of talc powder, 6-10 parts of cellulose, 8-20 parts of sodium aliphatate, 10-20 parts of lactic type polyol, 6-10 parts of mica powder, 10-30 parts of an ultraviolet absorbent, 20-40 parts of redispersible adhesive powder, 10-20 parts of nano titanium dioxide powder, 4-10 parts of zinc oxide, 10-20 parts of a rare earth antibacterial agent, 5-15 parts of silica sol, and the balance water. According to the shell powder strong adsorption coating and a preparation method thereof, with adopting of sodium aliphatate, because sodium fatty acid has the bactericidal and mildew-proof actions, harmful bacteria in a room can be eliminated and human health is facilitated; the ultraviolet light absorber has high absorption ability to ultraviolet rays in sunlight and a fluorescent lamp, the ultraviolet light absorber is added in the coating, the damage of the ultraviolet rays to the coating can be reduced, coating film powdering, aging and dulling are prevented, and people live healthier.

The invention belongs to the field of health care products, and in particular relates to oral liquid for relieving dysmenorrhea and a preparation method of the oral liquid. The oral liquid for relieving the dysmenorrhea provided by the invention mainly consists of onions, grapes, flos rosae rugosae, flos carthami, brown sugar and a stabilizer. The oral liquid for relieving the dysmenorrhea provided by the invention is reasonable and scientific in compatibility; and various components are coordinated, so as to take effects on enhancing an analgesic effect and improving unsmooth menstrual discharge and other discomfort in menstrual period. Meanwhile, the oral liquid for relieving the dysmenorrhea provided by the invention is high in stability and is capable of effectively avoiding the phenomenon that the oral liquid gets muddy, dull or deposited in a shelf storage process, which is conducive to the long-term preservation of the finished product (the oral liquid).

The invention provides a luminous keyboard, comprising multiple keys and one backlight module arranged below multiple keys. The backlight module comprises one light blocking plate, one light guiding plate and one reflecting plate, and the light blocking plate, the light guiding plate and the reflecting plate are overlaid in order from top to bottom. The light blocking plate is provided with one first cutting opening and one first cutting opening periphery defined by the first cutting opening, the reflecting plate is provided with one second cutting opening and one second cutting opening periphery defined by the second cutting opening, and one upper surface of the second cutting opening periphery of the reflecting plate passes through one perforation of the light guiding plate to be stuck on one lower surface of the first cutting opening periphery of the light blocking plate. Therefore, when one object passes through the first cutting opening and the second cutting opening, the first cutting opening periphery and the second cutting opening periphery closely cover the object by virtue of respective elastic restoring forces.

The invention relates to a focus detection optical system used with the so-called autofocus (AF) system mounted on single-lens reflex cameras (SLRs) or the like, and an imaging apparatus incorporating it. The focus detection optical system comprises at least n focus detection areas that are adjacent to or intersect each other on a predetermined imaging plane, where n≧2. A re-imaging lens group comprises n+1 re-imaging lenses, A (n−1)th re-imaging lens and an nth re-imaging lens are a pair of re-imaging lenses that correspond to a (n−1)th focus detection area and are adjacent to each other. An nth re-imaging lens and a (n+1)th re-imaging lens are a pair of re-imaging lenses that correspond to the nth focus detection area and are adjacent to each other. The (n−1)th re-imaging lens and (n+1)th re-imaging lens are located at different positions.

A light-emitting diode (“LED”) package is disclosed. The LED package includes a substrate, a pad frame, an LED chip and a housing. The pad frame includes a conductive lead divided by insulation materials on the substrate. The LED chip is mounted on the conductive lead. The housing surrounds the LED chip and the conductive lead, and has opening recess exposing the LED chip and a part of the conductive lead. The conductive lead includes a protrusion extended in both directions substantially perpendicular to a longitudinal direction of the housing.

The invention provides an optical light distribution module. The optical light distribution module comprises a light transmission device which is configured to transmit the light emitted by an LED light source from the back side of the light transmission device and a reflecting device which is coupled to the light transmission device and configured to block and reflect the light from the LED lightsource. A bulb lamp structure which is designed based on the above module comprises the LED light source which is arranged in an annular configuration and the above optical light distribution modulewhich is fixed on a lightening face of the LED light source. The module has the beneficial effects that a bulb lamp which uses the optical light distribution module is better in lightening efficiencyand capable of configuring a uniform, effective and centralized exit light path and avoiding the light loss; the optical light distribution module is applicable to the bulb lamps of any size and any power.

The invention discloses gasoline-resistant powder paint, which is prepared from the components: 50-70% of polyester resin, 5.5-8% of curing agent, 0.8-1.2% of levelling agent, 0.8-20% of pigment, 20-42% of inorganic filler, and 0-3% of auxiliary agent. Compared with the prior art, by preparing polyester resin with high crosslinking density and controlling the use ratio of the polyester resin and the curing agent, the prepared powder paint has very good characteristic of gasoline erosion resistance, and the powder paint can be well applied to the aspects of automobile products and automobile parts. The phenomena of gloss loss, fading and falling when contacting gasoline after the ink is sprayed to the automobile parts are avoided.

The invention relates to a focusing assembly for a track lamp and the track lamp using the focusing assembly. The focusing assembly for the track lamp comprises a lamp barrel, a light source, a concave-convex lens and a zoom lens which are coaxially arranged, the concave-convex lens is fixedly arranged in the lamp barrel, the light source is fixedly arranged on the concave side of the concave-convex lens, the focusing assembly further comprises a rotating sleeve and a translation sleeve, the translation sleeve is in threaded fit with the rotating sleeve, a limiting insertion strip of the translation sleeve is arranged in an insertion strip slide way, so that when the rotating sleeve is rotated, the rotating sleeve can be driven to rotate in the lamp barrel, and the translation sleeve is driven by the rotating sleeve to axially translate along the lamp barrel, so that the axial distance between the zoom lens and the concave-convex lens is adjusted.

An image pickup apparatus including a half mirror, a phase difference detecting AF sensor, an image pickup device, and a display is provided. The half mirror is provided so as to be movable between a first position on an optical path of the subject image light from the photographing optical system and a second position to which the half mirror is evacuated from the optical path of the subject image light. When the half mirror is in the second position, the image pickup device generates an actual photographing image on the basis of the subject image light reaching the image pickup device from the photographing optical system without passing through the half mirror.

The preparation method comprises the following steps: crushing a tea leaf raw material, spraying a compound enzyme solution, uniformly stirring and mixing, carrying out enzymolysis, sequentially adding distilled water, Luzhou-flavor liquor and sodium chloride or a dried sodium chloride tea soup substance into the material subjected to enzymolysis, distilling and collecting to obtain the tea aroma extract. According to the preparation method of the tea aroma extract, the white spirit and the sodium chloride or sodium chloride tea soup dry matter are used for assisting in distillation and extraction of tea aroma substances for the first time, so that the yield of the aroma substances can be remarkably increased; meanwhile, the phenomena of volatilization loss, precipitation turbidity, microorganism growth and the like of aromatic substances in the tea aroma extract liquid caused by long-term storage can be inhibited, and the storage period is prolonged; and the prepared tea fragrance extract liquor is green, safe and edible. The invention further provides application of the tea aroma extract liquid prepared by the preparation method in preparation of food, skin care products and perfume, and the tea aroma extract liquid can endow products with natural and rich tea aroma.

The invention relates to a quantum dot reflective material and a preparation method and application thereof. The reflective material prepared by the method comprises a base layer, and a quantum dot reflective layer is arranged on the base layer. The material can be widely applied to reflecting cups, reflecting sheets and other materials. Based on the quantum dot reflective layer on the surface of the quantum dot reflective cup / reflective sheet, the LED light source can be excited to emit light at a non-direct angle, and the light is converted into spectral color light lacking in a color rendering area, so that the overall color rendering index of the light source using the quantum dot reflective material is improved.