Abstract: The present invention provides an optical filter for its use. In the present invention, it is possible to provide an optical filter that effectively blocks ultraviolet ray and infrared ray and exhibits high transmittance in visible light. Furthermore, it is possible to provide an optical filter where the transmission characteristics are stably maintained even when an incident angle is changed. Moreover, it is possible to provide an optical filter that does not exhibit problems such as ripple, petal flare, and curl.

Abstract: The present invention provides an optical filter having a narrow bandpass, high transmittance in the bandpass, low transmittance outside the bandpass, little change in optical properties even when the incident angle of light changes and thus, being advantageous in terms of yield and cost per hour. In addition, the present invention may provide a LiDAR system including the optical filter and an application of the optical filter and the LiDAR system.

Abstract: The provided is an optical filter for its use. In the present invention, it is possible to provide an optical filter that effectively blocks ultraviolet ray and infrared ray and exhibits high transmittance in visible light. Furthermore, it is possible to provide an optical filter where the transmission characteristics are stably maintained even when an incident angle is changed. Moreover, it is possible to provide an optical filter that does not exhibit problems such as ripple and petal flare, and thus to provide the optical filter with excellent durability.

Abstract: The present invention provides an optical filter for its use. In the present invention, it is possible to provide an optical filter that effectively blocks ultraviolet ray and infrared ray and exhibits high transmittance in visible light. Furthermore, it is possible to provide an optical filter where the transmission characteristics are stably maintained even when an incident angle is changed. Moreover, it is possible to provide an optical filter that does not exhibit problems such as ripple or petal flare.

Abstract: The present invention provides an optical absorbent and its application. The invention provides the optical absorbent, as an organic optical absorbent, exhibiting excellent compatibility or solubility in various solvents and resin components, and having excellent heat resistance thereby providing the optical absorbent capable of stably maintaining optical properties even under high temperature condition or high temperature and high humidity conditions. The present invention can also provide an optical absorption film that obtains desired optical properties by applying the optical absorbent. The present invention may also provide applications of the optical absorbent or the optical absorption film, and may provide, for example, an optical filter, a solid-state image capturing device, and/or an infrared sensor including the optical absorbent or the optical absorption film.

Abstract: The present invention is to provide a stacked layer structure and an image capturing device having a high transmittance of visible light, capable of obtaining a sharp visible light transmission band while efficiently and accurately blocking ultraviolet light near the short wavelength region of the visible light and infrared light in the long wavelength region of the visible light, and preventing a flare phenomenon.

Abstract: An optical film according to various embodiments of the present invention may include a base portion; a pyramid pattern layer wherein a plurality of pyramid patterns having a vertex angle being in the vertex angle range of 60° or larger to 160° or smaller is formed on one surface of the base portion; and a diffusion layer wherein a plurality of optical protrusion patterns formed on the other surface of the base portion. the pyramid pattern layer is formed to have a refractive index greater than or equal to a refractive index of the diffusion layer, and a haze value of the diffusion layer is 15% or higher.

Abstract: An optical film according to various embodiments of the present invention may include a first sheet comprising a first base portion, a first pattern layer including a plurality of prisms and formed on a surface of the first base portion, and a second pattern layer including a plurality of pyramids and formed as intaglio on the other surface of the first base portion; and a second sheet including a second base portion; a third pattern layer including a plurality of protrusions with an adhesive property and formed as a matte pattern on a surface of the second base portion, and a fourth pattern layer including a plurality of pyramids and formed as intaglio on the other surface of the second base portion.

Abstract: According to various embodiments of the present disclosure, an optical film comprises a first sheet including a pyramid pattern layer including a plurality of pyramid patterns and a first prism pattern layer including a plurality of first prisms patterns; a second sheet including a second prism pattern layer including a plurality of second prism patterns and a first diffusion layer; and a third sheet including a third prism pattern layer including a plurality of third prism patterns and a second diffusion layer.

Abstract: Provided is an optical film comprising a first base portion; a pyramid pattern layer including a plurality of pyramid patterns formed on a first surface of the first base portion and a first side of a base of the pyramid pattern arranged in a pyramid direction; and a first prism pattern layer including a plurality of first prism patterns formed on a second surface of the first base portion and an edge of the first prism pattern arranged in a prism direction.

Abstract: An optical film is provided. The optical film includes a mat layer including a plurality of protrusions, a first base film disposed under the mat layer, a light blocking pattern layer disposed under the first base film and including a plurality of light absorption patterns arranged in a first direction, an adhesive layer disposed under the light blocking pattern layer, a second base film attached to the light blocking pattern layer using the adhesive layer, and a prism structure disposed under the second base film where the prism structure includes a plurality of prisms arranged along a second direction inclined at 80° to 100° with respect to the first direction.

Abstract: An optical film according to various embodiments of the disclosure may include: a prism pattern layer having one surface on which a plurality of prisms having pattern directions parallel to each other in a first direction are provided; a first diffusion layer provided on the other surface of the prism pattern layer; a base film that is in contact with the first diffusion layer on one surface and has an optical axis direction in a second direction different from the first direction; and a second diffusion layer that is in contact with the other surface of the base film. In addition, an optical film and a backlight unit including the optical film according to various embodiments may be provided.

Abstract: Provided is a near-infrared ray absorbing article. A near-infrared ray absorbing article of the present invention is capable of preventing a decrease in visible transmittance and near-infrared absorption due to the interaction between a plurality of organic materials forming light-absorbing layers. In addition, the near-infrared ray absorbing article of the present invention has the advantage of being able to be thinner. In addition, the near-infrared ray absorbing article of the present invention has the advantage of excellent mechanical properties such as strength and heat resistance.

Abstract: Provided is a near-infrared ray absorbing article. A near-infrared ray absorbing article of the present invention is capable of preventing a decrease in visible transmittance and near-infrared absorption due to the interaction between a plurality of organic materials forming light-absorbing layers. In addition, the near-infrared ray absorbing article of the present invention has the advantage of being able to be thinner. In addition, the near-infrared ray absorbing article of the present invention has the advantage of excellent mechanical properties such as strength and heat resistance.

Abstract: A backlight unit includes a light source, a color conversion sheet disposed above the light source for converting a color of light emitted from the light source, and at least one optical film is disposed over the color conversion sheet. The one optical film has a base film, a first pattern layer including first patterns on one surface of the base film, and a second pattern layer disposed on the other surface of the base film and including second patterns different from the first patterns.

Abstract: The present invention discloses a adhesive sheet effectively blocking light in the ultraviolet light region without deteriorating the transmittance with respect to the visible light region and the adhesiveness and a adhesive composition including binder resin and light absorption dye dispersed in the binder resin, and it is possible to effectively block light under the 410 nm wavelength region and to be applied to a various kinds of display devices.

Abstract: The present disclosure provides a composition through which a laminate which is aesthetically excellent is formed by exhibiting a blue-based color, which is a general window color, and through which a laminate having high visible light transmittance and an excellent thermochromic property is formed while enabling mass production, and the present disclosure further provides a laminate formed through the above composition and a window including the laminate.

Abstract: The present invention relates to an optical article, and an optical filter and an imaging device including the same. The optical article comprises: a near-infrared absorption glass substrate including a divalent copper ion as a chromatic ingredient; and a pigment dispersion layer formed on one surface or both surfaces of the near-infrared absorption glass substrate and having a near-infrared absorption pigment and an ultraviolet absorption pigment dispersed across the resin matrix thereof. Provided with a first and a second transmission cut-off region, the optical article has the advantage of allowing the fabrication of an excellent near-infrared cut-off filter that can effectively block light in near-infrared and ultraviolet bands and does not permit a difference in color sense with the change of incident angles.

Abstract: The present invention relates to an adhesive sheet. As the adhesive sheet of one embodiment of the present invention retains the properties of conventional adhesive sheet, such as excellent adhesion and durability in high temperature and humidity environment, it can be utilized for manufacturing large-scale electrodes at low prices, and the electrodes manufactured above can be used for various applications such as solar cell, display, and touch panel.

Abstract: A film, in which a phase transition material is not applied on an entire surface thereof and a pattern form is provided so that the aesthetically superior film of which a color is not cloudy but bright may be obtained and which has a high visible light transmittance as well as superior thermochromic properties, and a smart window including the same.