274 results about "Anti reflective" patented technology

Provided is a glass laminate including: a glass substrate having a first main surface and a second main surface; a functional layer provided on a first main surface side of the glass substrate and including any one or more selected from an antiglare layer, an antireflection layer, and an anti-finger print layer; and a colored layer provided on a second main surface side of the glass substrate and having a hole-formed region in which a plurality of holes are provided, in which the hole-formed region has a visible light transmittance of 5% or more.

Suppresses reflection from a circuit board including a light-transparent insulating film formed on an interlayer wiring to easily identify an alignment mark formed on a probe. The probe card comprises a circuit board 103 on which an insulating film 304 and an electrode pad 3 are formed and a probe 5 attached onto the electrode pad 3. The probe 5 has an alignment mark 7 identifiable from an opposite side of the circuit board 103. The alignment mark 7 is positioned outside of the electrode pad 3 on the circuit board 103. The insulating film 304 is a light-transmissive thin film covering an interlayer wiring 314. An anti-reflection film 6 with lower light transmittance than the insulating film 304 is formed in some regions on the insulating film 304. The anti-reflection film 6 is formed on a position corresponding to the alignment mark 7 and a region surrounding the position.

A head-mounted device may have left-eye and right-eye optical modules that may have a display that creates an image and a corresponding lens that provides the image to an eye box for viewing by a user. The optical modules each include a lens barrel to which the display and lens of that optical module are mounted and a head-mounted optical module gaze tracking system. The gaze tracking system may have light-emitting devices such as light-emitting diodes that emit light at a given near infrared wavelength and may operate through the lens and a removable supplemental lens. The supplemental lens may be a prescription lens and may have an antireflection portion that reduces the reflectance of the lens across visible and near infrared wavelengths. The antireflection portion may be a thin-film interference coating or a moth-eye portion. In this way, the gaze tracking system may operate through the removable supplemental lens.

Provided is an antireflection film having excellent scratch resistance while using a fluorine compound as a binder component of a low refractive index layer. An optical laminate according to the present invention comprises a low refractive index layer on the outermost surface on one surface side of a transparent base material. The low refractive index layer contains a binder resin and solid particles. The average film thickness T1 in a portion where the solid particles of the low refractive index layer are not present and the average particle diameter D2 of the solid particles satisfy the condition 1.0 ≤ D2 / T1 ≤ 2.0. The number of the solid particles in the low refractive index layer is 8 to 320 per 25 μm2.

Provided are: an antireflective film which has low haze and excellent antiglare properties and in which reductions in antiglare properties when viewed obliquely are suppressed; and an image display device using the antireflective film. The antireflective film is characterized in that formula (A) is satisfied when the maximum value of the relative value of the amount of reflected light with respect to the amount of incident light incident at an incidence angle of 30° is defined as x, the maximum value of the relative value of the amount of reflected light with respect to the amount of incident light incident at an incidence angle of 60° is defined as y, the width of the light receiving angle at which the relative value of the amount of reflected light is 1 / 10 or more of the maximum value x is defined as α, and the width of the light receiving angle at which the relative value of the amount of reflected light is 1 / 10 or more of the maximum value y is defined as β.　Formula (A): β / α ≥ 0.95

Provided in an aspect of the present invention is a transparent laminate (10) including a functional layer (12) and a low-refractive-index layer (13) having a refractive index lower than the refractive index of the functional layer (12), wherein the surface (13A) of the low-refractive-index layer (13) is the surface (10A) of the transparent laminate (10), the surface (10A) of the transparent laminate (10) is not fogged as tested in an anti-fogging ability test, and the absolute value ΔY1 of a difference in the luminous reflectance Y of the surface (10A) of the transparent laminate (10) between before and after the anti-fogging ability test is 0.2% or less.

An anti-reflective film and a display device including the same is provided. The anti-reflective film includes a first refractive layer and a second refractive layer disposed on the first refractive layer. A refractive index of the first refractive layer is greater than a refractive index of the second refractive layer. The first refractive layer includes a first sub-layer and a second sub-layer disposed on the first sub-layer. A first nano-composite layer is formed between the first sub-layer and the second sub-layer. The first nano-composite layer includes a material formed by bonding a material of the first sub-layer with a material of the second sub-layer. A thickness of the first sub-layer is at least 1.2 times larger than a thickness of the second sub-layer. The thickness of the second sub-layer is less than 5 nm.

A display device (100) can include an antireflection pattern (152) or a column spacer (154) positioned between a light-emitting diode (D) and a bank layer (150), wherein the antireflection pattern (152) or the column spacer (154) contains a blue dye (135b). The blue light reflected by the antireflection pattern (152) or the column spacer (154) is barely perceptible to the human eye, thus helping to reduce visible spots such as rainbow mura caused by external light reflections. Furthermore, the blue light emitted by the light-emitting diode (D) can pass through the antireflection pattern (152) and / or the column spacer (154), thereby increasing the intensity of the transmitted light. This can improve image quality while minimizing brightness loss.

The lens unit includes: a plurality of lenses; and a cylindrical housing member that houses the plurality of lenses. The plurality of lenses are arranged in order from the opening of the housing member, and the outermost lens, among the plurality of lenses, located on the opening side of the housing member includes: a plastic lens; an anti-reflection film disposed on at least one surface side of the plastic lens; and a hard coating layer between the plastic lens and the antireflection film. The lens unit further includes a light shielding member that shields an outer edge of the outermost lens.

This quantum cascade laser device is provided with a QCL element and a package. A side wall of the package is provided with a light emission window through which the laser light emitted from the QCL element passes. The light emission window is configured from a small-diameter hole, a large-diameter hole larger than the small-diameter hole, an annular countersink surface connecting the small-diameter hole and the large-diameter hole, and a window member disposed inside the large-diameter hole. The incident surface of the window member has a first region provided with an anti-reflection film, and a second region formed in a ring shape so as to surround the first region at a distance from the first region and metallized. The second region is joined to the countersink surface by a solder member.

A pellicle for a reflective photo mask includes a frame, a core layer having a front surface and a rear surface, and disposed over the frame, a first capping layer disposed on the front surface of the core layer, an anti-reflection layer disposed on the first capping layer, a barrier layer disposed on the anti-reflection layer, and a heat emissive layer disposed on the barrier layer.

To provide an anti-reflective film having superior scratch resistance compared to conventional films, and an active energy ray curable composition for obtaining the anti-reflective film that exhibits excellent temporal stability. [Solution] An anti-reflective film having a laminated structure in which a light-transmitting substrate, a high refractive index layer (α), and a low refractive index layer (β) are arranged in this order, wherein the high refractive index layer (α) is a cured product of an active energy ray curable composition, and the active energy ray curable composition comprises a compound (A) having three or more (meth)acryloyl groups, a compound (B) having a silsesquioxane skeleton, metal oxide particles (C) with a refractive index of 1.70 to 2.72, and a photopolymerization initiator (D). (However, compound (A) excludes compound (B).)

The present invention can provide a surface antireflection film in which particles are unlikely to fall from a coating film and which has a low total reflectance.　A surface antireflection coating film according to the present invention comprises a binder resin, carbon black, and silica, said surface antireflection coating film being characterized in that: said surface antireflection coating film has an arithmetic average roughness (Ra) of 0.3-3.0 μm and a developed length ratio (Rlr) of not less than 1.6; the carbon black has a specific surface area of 175-400 m2 / g; the content of the carbon black is 2.5-28.0 parts by mass with respect to 100 parts by mass of the binder resin; and the content of the silica is 16.0-28.0 parts by mass with respect to 100 parts by mass of the binder resin.<sp / >

The present invention relates to a transparent substrate with an anti-reflection film, which is provided with a transparent substrate having two main surfaces, and a diffusion layer and an anti-reflection film that are provided on one main surface of the transparent substrate in this order from the transparent substrate side, and in which the diffusion layer and the anti-reflection film are deposited on the other main surface of the transparent substrate in a state in which the reflection of the other main surface of the transparent substrate is eliminated. When the light source is incident on the one main surface side at an incident angle of 45 degrees, a and b of diffuse reflection light at respective angles of-15 degrees, 15 degrees, 25 degrees, 45 degrees, 75 degrees, and 110 degrees with respect to regular reflection light under a D65 light source satisfy the following formulae (1) and (2). (1)-2 < = a < = 4.5 (2)-5 < = b < = 10

The present invention discloses a display device and a method for manufacturing the same. The display device includes: a main display area; a component area including a transmissive area; a peripheral area adjacent to the main display area; a substrate; a main display element disposed on a first surface of the substrate in the main display area, wherein main pixel circuits are respectively connected to the main display element; auxiliary display elements disposed on a first surface of the substrate in the component area, wherein auxiliary pixel circuits are respectively connected to the auxiliary display elements; a bottom metal layer disposed in the component area between the substrate and the auxiliary pixel circuits; and an anti-reflection layer disposed on a second surface of the substrate opposite to the first surface and overlapping the bottom metal layer in the component area.

The utility model discloses a folding cover plate assembly of a mobile phone display screen, which comprises a cover plate body and an upper support frame, the upper support frame is arranged outside the cover plate body, and the bottom end of the upper support frame is provided with an upper buckle; the lower supporting frame is arranged outside the cover plate body below the upper supporting frame, and lower buckles are arranged at the top ends of the lower supporting frame; the positioning clamping grooves are formed in the inner side wall of the upper supporting frame and the inner side wall of the lower supporting frame respectively, and a frame at the edge of the cover plate body extends into the positioning clamping grooves; the anti-reflection layer is arranged on the upper surface of the cover plate body, an anti-scraping protection layer is arranged on the surface of the anti-reflection layer, and an anti-static layer is arranged on the surface of the anti-scraping protection layer. According to the utility model, the cover plate supporting frame is tightly connected, is not easy to loosen and displace, is high in integrity, and has the functions of reflection prevention, scratch resistance, self-cleaning and static prevention.

Provided are an antireflection film having an antireflection layer that has an integrated reflectance of 1% or less in a wavelength band of 1530-1625 nm and has an uneven structure on the surface thereof, a stray light suppression film having at least the antireflection film and a light absorber, and a light receiving device having the stray light suppression film inside the device.

The invention discloses a camera module, a telephoto lens and electronic equipment, and belongs to the technical field of lens equipment. The camera module comprises a mounting part, and an incident part, a first lens group, a second lens group and a light receiving part which are sequentially mounted on the mounting part along the incident direction of a light path, and further comprises a first light blocking part which is mounted on the first side of the second lens group, and a second light blocking part which is mounted on the second side of the second lens group, light is prevented from penetrating through a gap between the first side of the second lens group and the inner wall of the mounting part; a first anti-reflection structure is arranged on the side wall of the side, close to the light receiving part, of the first light blocking part, and the first anti-reflection structure is used for scattering light reflected from the light receiving part to the side, close to the light receiving part, of the first light blocking part. Reflection light possibly generated by the side wall of the side, close to the light receiving part, of the first light blocking part is scattered through the anti-reflection structure, finally, stray light is reduced, and the quality and definition of shot pictures are improved.

Provided is an anti-reflection member having excellent scratch resistance. An anti-reflection member having a low refractive index layer on a substrate, in which the low refractive index layer contains a binder component, hollow particles, and solid particles, as the solid particles, solid particles [alpha] having a particle diameter exceeding the average particle diameter of the hollow particles, the number of the solid particles (alpha) per 1 [mu] m in the width direction of the low refractive index layer is 0.7-8.0 on average in an image obtained by capturing a vertical cross section of the anti-reflection member using a scanning transmission electron microscope.

Provided is an optical display device comprising: a panel for an optical display device; and a polarizing plate laminated on one surface of the panel for an optical display device, wherein the polarizing plate comprises a polarizer, a protective layer laminated on one surface of the polarizer, and a first retardation layer laminated on the other surface of the polarizer, the polarizer has a color value ac of -2.0 to 3.3 and a color value bc of -5.5 to 1.5, the protective layer comprises a base layer, an anti-glare layer, and an anti-reflection layer, which are sequentially laminated from the polarizer, the anti-glare layer comprises a light-diffusing agent having an average particle diameter D50 of 1.8 to 2.5 um, and the protective layer has a total haze of 20 to 50%.

The present invention attempts to provide a feature effective for removing unnecessary light incident on an optical apparatus. An A component is a binder resin, an A1 component is a polyvinyl acetal resin, a B component is a black material, and a B1 component is a composite of a black pigment and a resin. Shutter blades 11-14 and 21-24 used for a focal plane shutter 101 have an antireflection film 40 on end faces thereof. The antireflection film 40 is formed from a resin composition, and includes at least the A component and the B component. The A component includes the A1 component. The B component includes the B1 component, which has an average particle diameter of 2 to 6 μm. The mass ratio of the B component to the A component is 7 to 14.

The application belongs to the technical field of ultrasonic scanning, and particularly relates to a high-frequency ultrasonic probe and a preparation method thereof. The method comprises the following steps: S1, obtaining a conductor column and a piezoelectric film plated with electrodes on two surfaces after polarization; S2, processing a first end of the conductor column into a spherical arc surface and a first anti-reflection surface, and processing a second end of the conductor column into a second anti-reflection surface to form a backing; S3, coaxially fixing a first surface of the piezoelectric film to the spherical arc surface and the first anti-reflection surface; S4, sleeving an insulating inner shell around the backing, wrapping a shielding net around an outer side of the inner shell, bonding the shielding net to a second surface of the piezoelectric film through conductive glue, connecting a ground wire to the second anti-reflection surface, and connecting a signal wire to the shielding net to form a transducer; and S5, packaging the transducer into a metal shell as a whole, grounding the metal shell through a standard interface, and obtaining the high-frequency ultrasonic probe by plating a waterproof layer on the metal shell and the second surface of the piezoelectric film after packaging, which can be used for ultrasonic nondestructive testing.

Provided is an antireflection substrate, which is an antireflection substrate in which (A) a substrate layer, (B) a hard coat layer, (C) a light absorbing layer, and (D) a low-refractive layer, which is a layer formed by curing a low-refractive resin composition containing an active energy ray-curable resin, hollow silica, and a fluorine-based compound with an active energy ray, are sequentially stacked, and the film thickness of the (C) light absorbing layer is 1 to 20 nm.

The application discloses a camera module, a long-focus lens and electronic equipment, and belongs to the technical field of lens equipment. The camera module comprises a mounting portion, an incident portion, a first lens group, a second lens group and a light receiving portion which are sequentially mounted on the mounting portion along an incident direction of a light path, and further comprises a first light blocking portion. The first light blocking portion is mounted on a first side of the second lens group and is used for blocking a gap between the first side of the second lens group and an inner wall of the mounting portion. A first anti-reflection structure is arranged on a side wall of a side of the first light blocking portion close to the light receiving portion, and the first anti-reflection structure is used for dispersing light reflected from the light receiving portion to the side of the first light blocking portion close to the light receiving portion. The anti-reflection structure disperses the reflected light possibly generated on the side wall of the side of the first light blocking portion close to the light receiving portion, finally reduces the generation of stray light, and improves the quality and definition of a camera picture.

To provide an anti-reflective laminate that has excellent stain resistance without the use of fluorine-based antifouling agents. [Solution] An anti-reflective laminate 1A is formed by laminating a hard coat layer 3, an anti-reflective layer 4, and an overcoat layer 5 in this order on a transparent substrate 2, wherein the anti-reflective layer 4 has at least a low refractive index layer 41 on the overcoat layer 5 side, the low refractive index layer 41 is made of a cured film of a composition mainly composed of alkoxysilane, and the overcoat layer 5 is made of a cured product of a silicon-based compound and has a water contact angle of 100° or more.

The present disclosure provides an anti-reflection member capable of providing good wiping properties of dirt. An anti-reflection member having a low refractive index layer on a substrate, the low refractive index layer containing a binder component and hollow particles, the hollow particles having an average particle diameter of more than 75.0 nm and 140.0 nm or less, when the average value of the distances between the centers of gravity of the hollow particles in the low refractive index layer is defined as La and the standard deviation of the distances between the centers of gravity of the hollow particles in the low refractive index layer is defined as L [sigma], La is 105.0 nm or more and 142.0 nm or less, and L [sigma] / La is 0.100 or more and 0.300 or less.

A light detection device having improved self-alignment precision using a hard mask, and a method for manufacturing the same is provided. A method of manufacturing a light detection device includes i) providing a substrate; ii) providing a light reflecting portion on the substrate; iii) providing a light detection portion on the light reflection portion; iv) providing an anti-reflection portion provided on the light reflection portion to cover the light detection portion; v) removing each of the first outer periphery of the light reflection portion and the second outer periphery of the anti-reflection portion, and vi) providing a hard mask formed to correspond to the removed first outer periphery, positioned on the substrate, and spaced apart from the light reflecting portion to surround the light reflecting portion.

Anti-reflective optical element Optical element (30) comprising: - a transparent substrate (32), - at least one porous layer (36) extending over at least one optical surface (34) of the substrate (32), the porous layer (36) comprising a plurality of elongated elements (40) extending from the optical surface (34), characterized in that the elongated elements (40) have helical shapes, each elongated element (40) extending along a central axis (H) substantially perpendicular to the optical surface (34) and having an overall diameter (D), measured perpendicular to the central axis (H), said overall diameter (D) being less than or equal to 100 nm. Figure to be published with the abstract: 3

An embodiment of the present disclosure provides a display substrate, including: a substrate has a through hole configured to mount a camera therein; and an adhesive layer on a display side of the substrate and provided therein with a first through hole. An aperture size of each of orthographic projections of the first through hole and the through hole on the substrate has a tolerance less than 0.30 mm. An embodiment of the present disclosure further provides a display panel, including: a substrate has a through hole; an adhesive layer on a display side of the substrate and provided therein with a first through hole; an anti-reflection layer on the display side of the substrate and on a side of the adhesive layer proximal to the substrate, and provided therein with a second through hole; and a cover plate on a side of the adhesive layer away from the substrate.

The invention discloses an anti-reflection filler, an anti-reflection coating, an anti-reflection film and a preparation method, the anti-reflection filler is formed by wrapping hollow silicon dioxide particles with aluminum oxide, and the mass of the aluminum oxide is 10-25% of that of the hollow silicon dioxide particles. The anti-reflection coating comprises the following raw materials in percentage by weight: 1%-3% of fluorine-containing acrylic resin, 0.6%-3% of anti-reflection filler, 0.05%-3% of a photoinitiator and the balance of a solvent. The anti-reflection coating is adopted to prepare the anti-reflection film, so that the anti-reflection film has the properties of high transmittance, low reflectivity and excellent wear resistance, and the reflectivity is slightly influenced by water vapor in air.