イノックス List of Products and Services

I installed the tail light with a built-in diffuser that was also exhibited at the showcase onto the actual vehicle. It beautifully illuminates in a cat's eye shape even at night, truly a masterpiece. It's puzzling why this isn't being used more widely. There is also less light loss due to diffusion, so visibility has improved compared to the single bulb I used previously, and power consumption has decreased as well. *For more detailed information, you can view it through the related links. Please feel free to contact us for more details.

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The areas glowing with the two lines and the circle use a diffuser film. Originally, the four LED light sources in the lower left are the result of diffusion by the diffuser film. A major feature of our diffuser structure is that it allows for customization of the diffusion angle. The set diffusion angle is controlled solely by the surface structure, which is another feature that provides a high light transmission rate (over 85%). *For more details, you can view the related links on the blog. Please feel free to contact us for more information.

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Many studies have demonstrated the effectiveness of improving the light extraction efficiency of organic EL and LEDs using moss-eye structures and micro-lens structures. A major factor that reduces the luminous efficiency of organic EL and LEDs is the phenomenon of total internal reflection. This occurs when light moves from a material with a high refractive index to one with a low refractive index. The method of confining and transmitting light by applying this phenomenon is optical fiber, but it is an undesirable physical phenomenon for organic ELs and similar devices. *For more details, please refer to the related links. Feel free to contact us for further information.*

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I will explain the impact of the moth-eye structure on light extraction when it is present on the surface, but before that, I would like to touch on the changes in refractive index caused by the moth-eye structure. The anti-reflective function of the moth-eye structure is explained as follows: "Structures smaller than the wavelength of light can gradually change the refractive index, which significantly reduces reflection." "Gradually changing the refractive index" means that when light passes through the moth-eye structure, the refractive index changes as shown in the diagram below. *For more detailed content of the blog, please refer to the related links. For further inquiries, feel free to contact us.*

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Recently, it was featured on "Kagaku de Mucha Mitasu!" We filmed the moss eye film outdoors. There are two types of film within the black frame; on the right side, there is a reflection of the sky, while the left side appears as if there is nothing at all. By incorporating the moss eye structure on both sides, it is possible to further reduce reflections. We hope you can see and experience it in person during seminar presentations or when you visit our company. *You can view the detailed content of the blog through the related links. For more information, please feel free to contact us.

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This is the second installment of the explanation of the specs for the moth-eye mold. In interference lithography, only linear structures can be drawn with the interference wave. However, by performing double exposure, it is possible to create a moth-eye structure. In the diagram, the green dotted line indicates the lines drawn by the interference wave. There are two types of parallel dotted lines in the diagram that intersect with each other. *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.*

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We will explain the specifications of the moth-eye molds that our company handles, such as the recently released "HT-AR-05 series." The moth-eye structure is created through double exposure using interference lithography, and its arrangement takes the form of a hexagonal honeycomb pattern, which is the densest packing in a plane. The spacing between the moth-eye structures is determined by factors such as the interval of the arrangement. *For more detailed information, please refer to the related links on our blog. If you have any questions, feel free to contact us.

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This time, I will explain the Moss eye ball. When light enters from the air into the film, a sudden change in refractive index (from 1 to 1.5) occurs, resulting in reflection. Additionally, when light exits the film, a change in refractive index (from 1.5 to 1) also occurs, leading to reflection at this interface as well. The reflectance can be easily calculated from the refractive index in the case of normal incidence, and for changes from 1 to 1.5 or from 1.5 to 1, approximately 4% reflection occurs. (This is a simplified calculation assuming the refractive index of UV resin and PET film is 1.5.) *For more detailed information, you can view the related links. Please feel free to contact us for more details.

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"Customized molds" are products that allow for the creation of freely structured designs through a unique manufacturing method. "Large area molds" can expand the moss-eye, micro-lens, and light diffusion structures for R&D molds up to a maximum size of 42 inches. Additionally, through partnerships with optical design experts in Europe and top-tier universities in Japan, we provide design solutions for concept design, prototyping, and evaluation. 【Specifications】 ■ Master material: Photoresist ■ Structural size: 1μm to 1mm ■ Structure height: 1μm to 50μm ■ Pattern area: Up to 200mm x 200mm (maximum size varies depending on the structure) ■ Mold materials: Nickel, photoresist, resin *For more details, please refer to the related links or feel free to contact us.

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The "HT-ED (Light Distribution Diffusion Structure)" is a product that can uniformly diffuse light while maintaining a high transmittance due to its special surface light distribution structure. It features a structure that can control light emitted from general light sources, lasers, LEDs, lighting fixtures, LCDs, and backlights. The standard HT-ED structure is specially designed for R&D and process development applications and is handled as a nickel mold. 【Specifications (Excerpt)】 ■HT-ED-C25B ・Pattern: Light Distribution Diffusion ・Diffusion Type: Circular Diffusion ・Diffusion Angle (FWHM): 25° ・Material: Nickel *For more details, please refer to the related links or feel free to contact us.

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The "HT-MLA (Micro Lens Array)" is a product that can be manufactured in both convex and concave shapes. The lenses are arranged in a honeycomb configuration that intersects in three dimensions, eliminating dead space between the lenses compared to typical micro lenses of the same size, allowing for uniform control of the output light. The "HT-MLA-09" is specially designed for R&D and process development applications and is compatible as a standard nickel mold. 【Specifications (Excerpt)】 ■HT-MLA-09B ・Pattern: Micro Lens ・Arrangement: Hexagonal Honeycomb Arrangement ・Lens Diameter: 9μm ・Average Height: 5.5μm *For more details, please refer to the related links or feel free to contact us.

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The "HT-AR (Moss Eye Structure)" is specially designed for R&D and process development applications and is available as a nickel mold product. The culmination of the HT-AR series, "HT-AR-05" and "HT-AR-06," are structures developed based on years of accumulated achievements and know-how in optical design, as well as unique process development, utilizing cutting-edge nanoimprint mold technology. It supports a standard size of up to an effective 280mm square. 【Applications】 ■ Anti-reflective effect ■ Water-repellent effect (Lotus effect) ■ Improved light collection efficiency *For more details, please refer to the related links or feel free to contact us.

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"Interference Lithography" is a method that can form microstructures over a wide area through a parallel process (interference between two laser beams). The UV laser split by a splitter is magnified and exposed to form interference fringes. Additionally, by rotating the substrate to adjust the interference of the laser, it is possible to change the shape of the desired pattern, eliminating the need for masks or scanning processes. [Features] - Forms microstructures over a wide area through a parallel process - Magnifies and exposes the UV laser split by a splitter to form interference fringes - Patterns are recorded on photosensitive materials *For more details, please refer to the related links or feel free to contact us.

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Our company conducts research and development aimed at mass production in nanoimprinting, based on our expertise in resin and roll-to-roll coating mass production technology. We consolidate advanced technologies from around the world and provide development solutions for next-generation applications and related components in various fields such as energy, displays, and lighting, tailored to your needs. Please feel free to contact us if you have any requests. 【Service Offerings】 ■ Mold production for R&D ■ Nanoimprinting processing ■ Custom mold production *For more details, please download the PDF or feel free to contact us.

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