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  6. Gamut Rings, a color gamut evaluation system for displays

Gamut Rings, a color gamut evaluation system for displays

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GR-55

last updated:Apr 24, 2025

アフロディ 本社
アフロディ 本社
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Are you still using the traditional color gamut evaluation for the new color gamut rings of the display?

Features of the new product: - The color gamut evaluation can be performed accurately, easily, and understandably. - This is a new method that visualizes a three-dimensional color gamut (color space) including brightness that cannot be expressed in traditional chromatic diagrams, in two dimensions. - The three-dimensional color gamut is sliced at regular brightness intervals, stretched onto a plane, and arranged in a ring shape. - This measurement has been standardized internationally (IEC, CIE). 1) It aligns very well with human visibility and can be evaluated accurately, making it effective for display design development and quality improvement. 2) It allows for the expression of colors in the brightness direction that were not previously possible, making analysis easier. 3) The measurement time is very fast, leading to significant improvements in measurement efficiency.

    Optical Measuring Instruments
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Gamut Rings, a color gamut evaluation system for displays

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basic information

Aphrodite's GR-55 offers software sales, as well as the sale of photometers and optical systems. For those interested in free rentals, we are offering the measurement/evaluation software Gamut Rings on a first-come, first-served basis.

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Applications/Examples of results

Evaluation of Color Gamut for Displays Measurement and evaluation of color gamut for display devices, suitable for design and process considerations Color gamut evaluation and design of display materials/components

Detailed information

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    Using a color brightness meter, you can measure the display of the subject quickly and easily in a short time.

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Display Color Gamut Evaluation System (Gamut Rings) GR-55

Display Color Gamut Evaluation System (Gamut Rings) GR-55

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Aphrodite Corporation Company Overview

Aphrodite Corporation Company Overview

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News about this product(2)

Please stop by【We will be exhibiting our products at the 31st IDW '24 (Sapporo)】.

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We will be exhibiting our products at the 31st International Display Workshops (IDW '24). You can see a demonstration of the new color evaluation for displays (Gamut Rings) GR-55. We will also be showcasing the MTF measurement system for evaluating display image "blur" at the same time. ■The 31st International Display Workshops (IDW '24) https://www.idw.or.jp/ ・December 4 (Wednesday) to 6 (Friday), 2024 ・Sapporo Convention Center (Sapporo City) ▼Exhibition Overview Co-hosted by Hodaka Electronics Co., Ltd. and Admesy Japan LLC IDW Exhibition Details https://www.idw.or.jp/exhibition.html Sapporo Convention Center, 1F, Main Hall

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Are you still evaluating the conventional color gamut? [Introduction to the Color Gamut Evaluation System for New Product Displays GR-55 WEB Seminar]

  • Seminar・Event

This is a new color gamut evaluation method called Gamut Rings for displays. If you're wondering what Gamut Rings are, why not join this seminar? It will be a great opportunity for you to learn about a new color gamut evaluation. The speaker will be Koichiro Kakinuma, a former Sony engineer who has been engaged in the field of color for many years. ■ It's free. Scheduled for November 27, 2024, from 13:30 to 14:30. Organized by Hodaka Electronics Co., Ltd. Co-organized by Aphrodite Co., Ltd. ▼ What is the Gamut Rings method? The Gamut Rings method, proposed and put into practical use by Dr. Masaoka from NHK, is a means to measure the color reproduction range of displays. This is a completely new and groundbreaking method that visualizes a three-dimensional color gamut, including brightness that could not be expressed conventionally, in two dimensions (see attached materials). It has been internationally standardized by organizations such as IEC, ICDM, and CIE. In this presentation, we will explain the basic principles of the Gamut Rings method and provide an overview of the product GR-55, as well as introduce the immediate conversion to xy chromaticity diagrams, xyY color space, and L*a*b* color space that have been used traditionally.

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Company information

アフロディ

アフロディ 本社

Optical Instruments

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In 2013, we established the company and started the business of selling optical measurement instruments for displays and providing technical services. The CEO, Hidetaka Shima, who is also the founder of the company, has been engaged in display development and business for 25 years at Sony Corporation. Displays will continue to evolve. In 50 years, 100 years from now, we will pursue beauty and convenience in line with the flow of the times. Information devices driven by human sensibility will become increasingly important. Our company will continue to make significant contributions to the development of displays. *Origin of the company name "Aphrodite Corporation" It is derived from "Aphrodite" (in Greek), the goddess of beauty and love, who is one of the twelve gods in Greek mythology. The philosophy of Aphrodite Corporation is "the creation of beauty."

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