330 results about "Anti reflective" patented technology

A display device includes a substrate, a transistor disposed over the substrate, a first electrode pad electrically connected to the transistor, a first connector disposed on the first electrode pad, an anti-reflection portion arranged around the first connector, and a light-emitting element electrically connected to the first electrode pad through the first connector. Additionally, each of the first connector and the anti-reflection portion includes a first material, where a density of the first material included in the first connector is greater than a density of the first material included in the anti-reflection portion.

The invention discloses a device and a method for testing initial velocity and distribution of fragments of a warhead, and the device is characterized in that a missile rack is arranged in a light filtering protection device, and is used for fixedly installing the warhead; the light filtering protection device is arranged between the high-speed camera laying room and the anti-reflection background, located on one side of the lens axis of the high-speed camera and used for enabling fragments generated by warhead explosion to penetrate through the space between the high-speed camera laying room and the anti-reflection background to shield explosion fire light and detonation products. The phenomenon that the lens of the high-speed camera is covered in the light curtain area of the explosion flame to cause overexposure is avoided, so that fragment flying images can be shot at a short distance. According to the testing device, explosion fire light is weakened through the light filtering protection device, the concentration of detonation products flying along with fragments is reduced, and therefore the fragment scattering process can be shot at a short distance, axial distribution of the initial speed of the fragments is directly calculated, and the fragment scattering angle is obtained.

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.

The utility model discloses a touch display screen and electronic equipment, which is characterized in that the refractive index between a glass panel and a touch function layer is continuously changed along the depth direction by arranging a moth eye micro-nano structure and an anti-dazzle micro-nano structure, so that the screen surface reflection phenomenon caused by the sharp change of the refractive index is obviously reduced; and finally, the reflection phenomenon of the whole screen is reduced. Compared with the prior art, the anti-reflection effect of the touch display screen can be remarkably improved, the contrast ratio of the display screen is enhanced, and therefore the display effect of the display screen is improved.

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

The present invention provides an optical member and a method for manufacturing the same, the method comprising: a removal step for partially removing an antireflection film having a multilayer structure in which a low-refractive-index layer and a high-refractive-index layer are laminated, the antireflection film being formed so as to cover an optical surface of an optical substrate, by irradiation with an ultra-short pulse laser light, and performing non-heat processing on the antireflection film by irradiation with an ultra-short pulse laser light to form an antireflection film having a multilayer structure in which a low-refractive-index layer and a high-refractive-index layer are laminated; the pulse width of the ultra-short pulse laser is 0.1 picosecond or more and less than 100 picoseconds, and in the removal step, the ultra-short pulse laser is irradiated to remove the low refractive index layer, which is the outermost layer of the multilayer structure, or the low refractive index layer, which is the outermost layer, and the conductive layer, which is a layer immediately adjacent to the low refractive index layer. The non-heating processing is a processing for suppressing thermal damage to the high refractive index layer, which is a lower layer of the conductive layer, and the processing for suppressing thermal damage is a processing in which the ratio t1 / t2 of the thickness t1 of a portion removed by the removal step to the thickness t2 of a portion not removed in the high refractive index layer is within the range of 0.90-1.00.

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 present invention relates to a variable transmittance optical laminate and a sunroof comprising the same, the variable transmittance optical laminate comprising: a dimming laminate comprising an electric field-driven liquid crystal between polarizing plates; and a shutter-type film disposed on at least a portion of the indoor side of the light-dimming laminate, the shutter-type film being formed by laminating two or more layers and including a light-shielding pattern, and the light-shielding pattern being disposed so as to face the indoor side. The variable-transmittance optical laminate according to the present invention exhibits an excellent anti-reflection function without reducing the transmittance of external light by means of a shutter-type film comprising a light-shielding pattern protruding toward the indoor side and having two or more layers laminated therein.

To provide an antireflection member which not only has a low reflectance, but also is enhanced in scratch resistance, and an image display device comprising the antireflection member. An antireflection member 100 comprising a low refractive index layer 130 on a transparent substrate 110, in which the low refractive index layer 130 includes a binder resin and silica particles 132 and 134, a ratio of Si element attributed to the silica particles, obtained by analysis of a surface region of the low refractive index layer 130 by X-ray photoelectron spectroscopy, is 10.0 atomic percent or more and 18.0 atomic percent or less and a ratio of C element under the assumption that the ratio of Si element is defined to be 100 atomic percent is 180 atomic percent or more and 500 atomic percent or less.

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.

A display device includes a display panel including a peripheral region adjacent to a light-emitting region, and a reflection preventing facing the display panel. The reflection preventing layer includes a light-blocking pattern corresponding to the peripheral region and defining an opening corresponding to the light-emitting region, a color filter in the opening of the light-blocking pattern, and a protruding pattern corresponding to the light-blocking pattern.

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.

The present technology relates to: a hydrophilic film used for, for example, a hydrophilic coating of an optical component; an antireflective film; a camera; and a film formation method. The purpose of the present technology is to provide: a hydrophilic film that has excellent optical transparency and abrasion resistance and that can be reversibly hydrophilized; an antireflective film; a camera; and a film formation method. A hydrophilic film according to the present technology comprises a substance in which a silicon oxide and a metal oxide having a structure represented by M2O3 are compounded, wherein M is a metal element. In the hydrophilic film according to the present technology, polarization occurs between oxygen atoms and atoms of the metal element, and the atoms of the metal element are negatively charged.

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 purpose of the present invention is to provide: an optical adhesive composition which is suitable for the production of a self-luminous display device such as a Mini / Micro LED display device in which the contrast and anti-reflection function of a metal wiring or the like are improved, and which has excellent level difference absorbability and processability; and an optical laminate. The optical adhesive composition according to the present invention contains a (meth) acrylic block copolymer and a colorant, and is characterized in that: the (meth) acrylic block copolymer has a high Tg segment having a glass transition temperature of 0 DEG C to 100 DEG C (inclusive) and a low Tg segment having a glass transition temperature of-100 DEG C to less than 0 DEG C; the (meth) acrylic block copolymer has a tan [delta] peak in each of a region of 0 DEG C or more and a region of less than 0 DEG C. Furthermore, the optical laminate according to the present invention is characterized by comprising a substrate and an adhesive layer formed from the optical adhesive composition.

The present invention provides a display structure, which includes: an anti-reflection layer, comprising a multi-layer dielectric having a refractive index gradient, the refractive index of the multi-layer dielectric increasing from top to bottom, the K value of the multi-layer dielectric being less than 0.5, the total thickness and the equivalent refractive index of the anti-reflection layer satisfying certain conditions for the three primary colors of red, green, and blue, such that the upper and lower electric fields at the position where the phase change layer is located below the anti-reflection layer are 0; a phase change layer, the optical loss of the phase change material used being less than a first preset threshold and the refractive index being greater than a second preset threshold, the phase change layer being located below the anti-reflection layer; a first metal layer, being a lossy metal for providing K value compensation, the first metal layer being located below the phase change layer; a second metal layer, for forming an FP cavity, the second metal layer being located below the first metal layer; and a dielectric layer, located below the second metal layer. The present invention realizes a reflective phase change display structure with high reflectivity, high color saturation, angle insensitivity, dynamic tunability, and simple structure.

The present invention relates to a variable transmittance optical laminate and a sunroof comprising the same, the variable transmittance optical laminate comprising: a dimming laminate comprising an electric field-driven liquid crystal between polarizing plates; and a shutter-type film disposed on at least a portion of the indoor side of the light-dimming laminate, the shutter-type film including a light-shielding pattern, and the light-shielding pattern protruding toward the indoor side. The variable transmittance optical laminate according to the present invention exhibits an excellent anti-reflection function without reducing the transmittance of external light by means of a shutter-type film including a light shielding pattern protruding toward the indoor side.

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.