Lens and game system

Abstract

To improve the appearance of a display and make appearance color closer to a natural tint.SOLUTION: A lens 10 used for viewing a display includes a base material 11 and one or more kinds of absorbing dyes 12 dispersed in the base material 11. The absorption spectrum of one or more kinds of absorbing dyes 12 has a first absorption peak with a first peak wavelength located in a range from 400 nm to 450 nm, and a second absorption peak with a second peak wavelength located in a range from 550 nm to 600 nm. A first transmittance of the lens 10 at the first peak wavelength is between 40% and 60%. A second transmittance of the lens 10 at the second peak wavelength is lower than the first transmittance.SELECTED DRAWING: Figure 3

Description

Technical Field

[0001] The present invention relates to a lens and a game system.

Background Art

[0002] Patent Document 1 discloses a color vision correction lens including a resin layer containing a colorant that selectively absorbs light in a predetermined wavelength band.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In recent years, the recognition of e-Sports has been increasing, and there is a demand for lenses that improve the appearance of displays. Also, when using lenses for glasses, goggles, etc., it is also required to make the appearance color of the lens look natural in order to suppress the sense of incongruity in the appearance of the wearer.

[0005] Therefore, an object of the present invention is to provide a lens and a game system that can improve the appearance of a display and make the appearance color closer to a natural color tone.

Means for Solving the Problems

[0006] A lens according to one aspect of the present invention is a lens used when viewing a display, comprising a substrate and one or more absorbing dyes dispersed in the substrate, wherein the absorption spectrum of the one or more absorbing dyes has a first absorption peak whose first peak wavelength is located in the range of 400 nm to 450 nm and a second absorption peak whose second peak wavelength is located in the range of 550 nm to 600 nm, the first transmittance of the lens at the first peak wavelength is 40% to 60%, and the second transmittance of the lens at the second peak wavelength is lower than the first transmittance.

[0007] A game system according to one aspect of the present invention comprises a lens according to the above-described aspect and a display for displaying game images. [Effects of the Invention]

[0008] According to the lens and game system of the present invention, the appearance of the display can be improved, and the appearance color can be made closer to natural colors. [Brief explanation of the drawing]

[0009] [Figure 1] Figure 1 is an external perspective view of eyeglasses equipped with lenses according to an embodiment. [Figure 2] Figure 2 shows the absorption characteristics of the absorbing dye contained in the lens according to the example. [Figure 3] Figure 3 shows the transmission characteristics of the lens according to the embodiment. [Figure 4] Figure 4 shows the transmission characteristics of the lens in the comparative example. [Figure 5] Figure 5 is a diagram illustrating the degree of whiteness (colorlessness) of the lens appearance color in the examples and comparative examples. [Figure 6] Figure 6 is a diagram showing the configuration of the game system according to the embodiment. [Figure 7] Figure 7 is a diagram illustrating the difference in the color gamut of a display with or without a lens, according to the examples or comparative examples. [Figure 8]Figure 8 shows the chromaticity, correlated color temperature, and color deviation Δu'v' of the xy color system when a white display is viewed with the naked eye, and when viewed through the lenses of the Examples and Comparative Examples. [Modes for carrying out the invention]

[0010] The following describes in detail, with reference to the drawings, a lens and a game system according to embodiments of the present invention. Note that the embodiments described below are all specific examples of the present invention. Therefore, the numerical values, shapes, materials, components, arrangement and connection configurations of components, steps, and the order of steps shown in the following embodiments are examples only and are not intended to limit the present invention. Accordingly, components in the following embodiments that are not described in an independent claim will be described as optional components.

[0011] Furthermore, each figure is a schematic diagram and not necessarily a strictly accurate representation. Therefore, for example, the scale may not necessarily match in each figure. Also, in each figure, substantially identical components are given the same reference numerals, and redundant explanations are omitted or simplified.

[0012] Furthermore, in this specification, terms indicating relationships between elements, terms indicating the shape of elements, and numerical ranges do not represent only strict meanings, but also include substantially equivalent ranges, such as differences of a few percent.

[0013] Furthermore, in this specification, ordinal numbers such as "first," "second," etc., do not mean the number or order of components unless otherwise specified, but are used to avoid confusion and to distinguish similar components.

[0014] (Embodiment) [Lens configuration] First, the lens configuration according to the embodiment will be explained using Figure 1.

[0015] FIG. 1 is an external perspective view of glasses 1 including a lens 10 according to the present embodiment. The glasses 1 shown in FIG. 1 are an example of a wearable product used when viewing a display. The glasses 1 are, for example, glasses for a game system. Alternatively, the glasses 1 may be glasses for work such as desk work using a personal computer or a tablet terminal. Further, the glasses 1 may be glasses for vision correction or fashion glasses.

[0016] The glasses 1 include two lenses 10. The two lenses 10 are a left-eye lens and a right-eye lens, respectively. The lens 10 is a filter that absorbs a part of light and emits it when transmitting the incident light. The lens 10 may not have the functions of focusing and diverging light.

[0017] The lens 10 includes a base material 11 and one or more absorption dyes 12 dispersed in the base material 11.

[0018] The base material 11 is a plate-like member having translucency. The base material 11 is, for example, a resin base material formed by molding a transparent resin material into a predetermined shape. Specifically, the base material 11 mainly contains a polycarbonate resin or an acrylic resin. Note that "mainly contains" means that the ratio (mass %) of the mass of the polycarbonate resin or the acrylic resin to the mass of the entire base material 11 exceeds 50%. In the present embodiment, the base material 11 is substantially composed of a polycarbonate resin or an acrylic resin. The resin material used for forming the base material 11 may be an epoxy resin, a urethane resin, a polysilazane, a siloxane, an allyl diglycol carbonate (CR-39), or a polysiloxane composite acrylic resin.

[0019] The thickness of the base material 11 is, for example, 1 mm or more and 3 mm or less. The base material 11 may be a flat plate, or may be a curved plate having a convex surface or a concave surface. For example, the base material 11 may have a shape that realizes a lens function of condensing or diffusing light, such as a convex lens or a concave lens. That is, the thickness of the base material 11 may not be uniform in the plane and may vary depending on the part. The size and shape of the base material 11 are, for example, the size and shape suitable for the glasses 1 that can be worn by a person.

[0020] The absorption dye 12 is a dye material that selectively absorbs light in a predetermined wavelength band. Specific examples of the absorption spectrum of the absorption dye 12 will be described later.

[0021] The absorption dye 12 is, for example, uniformly dispersed inside the base material 11. Specifically, the absorption dye 12 is uniformly dispersed throughout the thickness direction and the plane direction of the base material 11. Note that the absorption dye 12 may be dispersed only in a part of the region inside the base material 11. For example, when the main surface of the base material 11 is viewed from the front, the absorption dye 12 may be dispersed only in the central region of the base material 11. Alternatively, the absorption dye 12 may be dispersed only in the surface layer portion of one surface in the thickness direction of the base material 11.

[0022] For the absorption dye 12, for example, a porphyrin-based dye, a phthalocyanine-based dye, a merocyanine-based dye, a methine-based dye, or the like can be used. For example, the absorption dye 12 is a porphyrin-based dye in which the central metal is a metal element selected from the group consisting of Cu, Ni, Co, and Pd, and the substituent is a substituent selected from the group consisting of ethoxy, fluorobenzene, and fluoroethoxy. By adjusting at least one of the materials of the central metal and the substituent of the porphyrin-based dye, the absorption spectrum of the absorption dye 12 can be made different.

[0023] In the present embodiment, the lens 10 contains a plurality of types of absorption dyes 12. By adjusting the type, number, content, mixing ratio, etc. of the absorption dye 12, the optical characteristics (transmission spectrum) of the lens 10 can be adjusted.

[0024] In Figure 1, glasses 1 equipped with lenses 10 are shown as an example of a wearable product, but the wearable product equipped with lenses 10 is not limited to glasses 1. For example, the wearable product equipped with lenses 10 may be sunglasses or goggles. The wearable product equipped with lenses 10 may be a product specifically for a game system, or it may be a general-purpose product used in daily life other than gaming.

[0025] [Lens transmission spectrum] Next, the transmission spectrum of the lens 10 described above will be explained along with specific examples.

[0026] The lens 10 according to the example contains two types of absorbing dyes C1 and C2 as the absorbing dye 12. Figure 2 shows the absorption characteristics of the absorbing dyes C1 and C2 contained in the lens 10 according to the example. In Figure 2, the horizontal axis represents wavelength (unit: nm), and the vertical axis represents transmittance (unit: %). The absorption spectrum shown in Figure 2 is obtained by measuring the transmittance of a transparent substrate while a predetermined amount of absorbing dye is dispersed inside the transparent substrate.

[0027] Absorbing dye C1 is, for example, a methine-based dye and primarily absorbs blue light. Absorbing dye C1 has an absorption peak (first absorption peak) whose peak wavelength is located in the range of 400 nm to 450 nm. Specifically, as shown by the solid line in Figure 2, the peak wavelength of the absorption peak of absorbing dye C1 (first peak wavelength) is approximately 440 nm, and the transmittance in this case is approximately 52.8%.

[0028] Absorbing dye C2 is, for example, a tetraporazaffyrine-type dye and primarily absorbs yellow light. Absorbing dye C2 absorbs the complementary color component of the light absorbed by absorbing dye C1. Absorbing dye C2 has an absorption peak (second absorption peak) whose peak wavelength is located in the range of 550 nm to 600 nm. Specifically, as shown by the dashed line in Figure 2, the peak wavelength of the absorption peak of absorbing dye C2 (second peak wavelength) is approximately 585 nm, and the transmittance in this case is approximately 29.0%.

[0029] In the lens 10 according to this embodiment, yellow light is absorbed more strongly than blue light. Therefore, the lens 10 contains more of the absorbing dye C2, which mainly absorbs yellow light, than the absorbing dye C1, which mainly absorbs blue light. Specifically, the lens 10 according to this embodiment contains two types of absorbing dyes C1 and C2 in a ratio of C1:C2=1:3.3. More specifically, the lens 10 contains 9 ppm of absorbing dye C1 and 30 ppm of absorbing dye C2.

[0030] Figure 3 shows the transmission characteristics of lens 10 according to the embodiment. In Figure 3, the horizontal axis represents wavelength (unit: nm), and the vertical axis represents transmittance (unit: %).

[0031] As shown in Figure 3, the inclusion of two types of absorption dyes, C1 and C2, results in two dips in transmittance due to absorption peaks in the transmission spectrum of lens 10. Specifically, the minimum transmittance due to the first absorption peak is in the range of 400 nm to 450 nm. The minimum transmittance due to the second absorption peak is in the range of 550 nm to 600 nm.

[0032] The transmittance of lens 10 at the peak wavelength of the first absorption peak (first transmittance) is between 40% and 60%. In this example, the transmittance of lens 10 at the peak wavelength of approximately 440 nm is approximately 46.0%.

[0033] The transmittance of lens 10 at the peak wavelength of the second absorption peak (second transmittance) is lower than the transmittance of lens 10 at the peak wavelength of the first absorption peak (first transmittance). For example, the second transmittance is between 30% and 50%. In this example, the transmittance of lens 10 at the peak wavelength of approximately 585 nm is approximately 26.8%.

[0034] Furthermore, as shown in Figure 3, in the transmission spectrum of lens 10, there is a maximum transmittance (local maximum) between the two absorption peaks (minimal transmittance). That is, lens 10 can suppress the absorption of green light and transmit it with sufficient intensity. Specifically, the maximum transmittance of lens 10 in the range from above the first peak wavelength to below the second peak wavelength is 70% or more. For example, this maximum value is 1.5 times or more the transmittance at the first peak wavelength. Also, this maximum value is 2 times or more the transmittance at the second peak wavelength, and may be 3 times or more. In this embodiment, the transmittance is maximum at approximately 490 nm, and the transmittance at that point is approximately 83.6%.

[0035] [Effects of lenses, etc.] Next, the effects and benefits of the lens 10 according to the example will be explained in comparison with the comparative example.

[0036] Figure 4 shows the transmission characteristics of lenses related to the comparative example. In Figure 4, the horizontal axis represents wavelength (unit: nm), and the vertical axis represents transmittance (unit: %).

[0037] The lens in the comparative example is a so-called blue light blocking lens. As shown in Figure 4, because it has a low transmittance of blue light, it can reduce eye strain for the wearer of glasses equipped with this lens. On the other hand, because the lens in the comparative example has a low transmittance of blue light, its appearance color is yellow, which is the complementary color of blue. As a result, the appearance color becomes unnatural and may cause discomfort to the wearer and others.

[0038] In contrast, as shown in Figure 3, the lens 10 according to the embodiment also has a low transmittance of blue light. Therefore, eye strain can be suppressed for the wearer of glasses 1 equipped with the lens 10. Furthermore, since the transmittance of yellow light in the lens 10 is lower than that of blue light, the appearance color of the lens 10 can be made closer to white (colorless). Therefore, the appearance color can be made closer to a natural color, reducing discomfort to the wearer and others. In addition, as will be described in detail later, the way a display looks can be improved.

[0039] Furthermore, lens 10 has a high transmittance of green light, which lies between blue and yellow light. Because it transmits green light with sufficient intensity, it can suppress the unnatural color appearance when viewing the display through lens 10.

[0040] Furthermore, the luminous transmittance of lens 10 is 50% or more. Luminous transmittance is also called visible light transmittance. Luminous transmittance is the ratio of the values ​​obtained by multiplying the transmittance of light in the entire visible light band from 380 nm to 780 nm by the spectral relative luminous efficiency function and summing them up. Because lens 10 has a high luminous transmittance, sufficient light can be ensured to reach the eye even when viewing the display through lens 10.

[0041] Figure 5 is a diagram illustrating the degree of whiteness (colorlessness) of the lens appearance color in the examples and comparative examples. Figure 5 shows the chromaticity coordinate system in the u'v' color system defined by the CIE (International Commission on Illumination).

[0042] In Figure 5, the plots marked with black squares represent the chromaticity of the transmitted color of lens 10 according to the embodiment shown in Figure 3. The plots marked with white squares represent the chromaticity of the transmitted color of lens according to the comparative example shown in Figure 4.

[0043] The black dots represent the reference value. The reference value is the chromaticity of the transmitted color of an ideal lens, i.e., a lens with equal transmittance across all wavelengths. The reference value corresponds to the so-called white point. The white point is the range where the correlated color temperature is between 4000K and 7500K, and the color deviation is within ±0.02. The color deviation is the deviation from the blackbody locus and is represented by Δu'v'. In this embodiment, the transmitted color of lens 10 is less than 0.01 from the white point.

[0044] The closer the lens's chromaticity is to the standard value, that is, the smaller the color difference from the standard value, the higher the degree of whiteness (colorlessness) of the lens. As shown in Figure 5, the chromaticity of lens 10 in the example is closer to the standard value than the chromaticity of lens in the comparative example. Specifically, the color difference between the standard value and the chromaticity of lens in the comparative example is 0.024. In contrast, the color difference between the standard value and the chromaticity of lens 10 in the example is 0.003. Lens 10 in the example can be said to be close to an ideal lens with a high degree of whiteness (colorlessness). In other words, lens 10 with an appearance color close to a natural color has been realized.

[0045] [Game System] Next, a game system equipped with the lens 10 according to this embodiment will be described with reference to Figure 6.

[0046] Figure 6 is a diagram showing the configuration of the game system 100 according to this embodiment. As shown in Figure 6, the game system 100 comprises a lens 10 and a display 110. The lens 10 is used in the glasses 1 worn by the user U.

[0047] Display 110 is a display device that displays game images. Display 110 is, for example, a liquid crystal display device or an organic EL (electroluminescence) display device. Liquid crystal display devices generally have a light source that emits white light. The light source includes a blue LED (light-emitting diode) and a yellow phosphor. The yellow phosphor emits yellow light by wavelength-converting a portion of the blue light emitted from the blue LED. The combined light of the blue light that was not wavelength-converted and the yellow light becomes white light. Display 110 may also be a display device that has light-emitting elements corresponding to each of the RGB colors.

[0048] Figure 7 is a diagram illustrating the difference in color gamut of the display 110 with and without a lens, according to the examples or comparative examples. Specifically, Figure 7 shows the chromaticity diagram (CIE1931) in the xy color system defined by the CIE.

[0049] In Figure 7, the dotted triangles with triangular vertices represent the color gamut of display 110 only. The dashed triangles with circular vertices represent the color gamut of display 110 when viewed through the lens of the comparative example. The solid triangles with square vertices represent the individual color gamuts of display 110 when viewed through the lens 10 of the embodiment. Each vertex of the triangle corresponds to the RGB colors of display 110. Specifically, the plot near 590 nm corresponds to red (R), the plot near 560 nm corresponds to green (G), and the plot near 480 nm corresponds to blue (B).

[0050] Conventional displays have a problem with a narrow color gamut due to a large overlap between red (R) and green (G) in the emission color spectrum. In contrast, by viewing the display 110 using lens 10, lens 10 absorbs the yellow light between red and green light. Therefore, the overlap between red (R) and green (G) can be reduced, and the color gamut can be improved.

[0051] Specifically, as shown in Figure 7, the color gamut is expanded when viewed through the lens 10 according to the embodiment compared to the color gamut of the display 110 alone. In other words, the appearance (color reproduction) of the display 110 can be improved when viewed through the lens 10.

[0052] On the other hand, the lens in the comparative example does not absorb yellow light, so it cannot reduce the overlap of red and green. Therefore, as shown in Figure 7, the color gamut near red and green cannot be widened when comparing the case with only display 110 to the comparative example.

[0053] Figure 8 shows the x and y values ​​of the xy color system, correlated color temperature, and color deviation Δu'v' when viewing the white display 110 with the naked eye, when viewing it through the lens 10 according to the embodiment, and when viewing it through the lens according to the comparative example.

[0054] As shown in Figure 8, the white display 110 has a correlated color temperature of 9061K when viewed with the naked eye, and appears bluish. In contrast, when viewed through the lens 10 according to the embodiment, the correlated color temperature decreases to 7795K, and the bluish tint is suppressed. In other words, by using the lens 10 when viewing the display 110, the white balance of the display 110 is adjusted, and the appearance of the display 110 (white representation) is improved.

[0055] [summary] As described above, the lens according to the first aspect of the present invention is, for example, the lens 10 described above, which is used when viewing a display 110, and includes a substrate 11 and one or more types of absorbing dyes 12 dispersed in the substrate 11. The absorption spectrum of the one or more types of absorbing dyes 12 has a first absorption peak whose first peak wavelength is located in the range of 400 nm to 450 nm, and a second absorption peak whose second peak wavelength is located in the range of 550 nm to 600 nm. The first transmittance of the lens 10 at the first peak wavelength is 40% to 60%. The second transmittance of the lens 10 at the second peak wavelength is lower than the first transmittance.

[0056] As a result, the transmittance of blue light in the range of 400nm to 450nm is low, which can reduce eye strain when viewing the display 110 through the lens 10. In addition, by using the lens 10, the blue tint of the white display 110 can be reduced, improving the appearance of the display 110. Furthermore, since the transmittance of yellow light, which is the complementary color of blue light in the range of 550nm to 600nm, is lower than the transmittance of blue light, the yellowish tint of the lens 10's appearance can be suppressed, bringing it closer to a natural color. By using the lens 10, the overlap between red (R) and green (G) on the display 110 can be reduced, widening the color gamut. Thus, according to the lens 10 of this embodiment, the appearance of the display 110 can be improved, and the appearance of the lens 10 can be brought closer to a natural color.

[0057] Furthermore, for example, a lens according to a second aspect of the present invention is a lens according to a first aspect, wherein the second transmittance is 30% or more and 50% or less.

[0058] As a result, the transmittance of yellow light is reduced, which makes the appearance color of the lens according to this embodiment closer to a natural color, and also improves the appearance of the display 110.

[0059] Furthermore, for example, a lens according to the third aspect of the present invention is a lens according to the first or second aspect, wherein the maximum transmittance of the lens in the range of first peak wavelength or higher and second peak wavelength or lower is 70% or higher.

[0060] This allows green light to be transmitted with sufficient intensity, thereby suppressing changes in color when viewing the display 110 through the lens according to this embodiment.

[0061] Furthermore, for example, a lens according to the fourth aspect of the present invention is a lens according to any one of the first to third aspects, wherein the transmitted color of the lens is in the range of a correlated color temperature of 4000K to 7500K and the distance from the white point in the range of a color deviation of ±0.02 is less than 0.01.

[0062] This makes it possible to bring the appearance color of the lens according to this embodiment closer to white (colorless), resulting in a more natural color.

[0063] Furthermore, for example, the lens according to the fifth aspect of the present invention is a lens according to any one of the first to fourth aspects, and the luminous transmittance of the lens is 50% or more.

[0064] This results in high transmittance in the visible light band, which can improve the viewing experience of the display 110.

[0065] Furthermore, for example, the lens according to the sixth aspect of the present invention is a lens according to any one of the first to fifth aspects, and the base material 11 is a resin base material.

[0066] This allows for easy mixing of the absorbing dye 12 into the substrate 11. Furthermore, since a material with excellent transparency can be used as the resin substrate, the transmittance of the lens according to this embodiment can be increased. In addition, since molding is easy, the shape of the lens according to this embodiment can be easily made into a desired shape.

[0067] Furthermore, for example, the lens according to the seventh aspect of the present invention is a lens according to any one of the first to sixth aspects, and is a lens for eyeglasses, sunglasses, or goggles.

[0068] This allows the device to be worn on the user's head, freeing up both hands. Having both hands free is useful for operating controllers such as the Game System 100.

[0069] Furthermore, for example, a game system according to the eighth aspect of the present invention is, for example, the game system 100 described above, and comprises a lens according to the seventh aspect and a display 110 for displaying game images.

[0070] This allows for achieving the same effect as the lens described above. In other words, a game system 100 is realized that improves the viewing experience of the display 110 and brings the appearance color of the lens according to this embodiment closer to a natural color.

[0071] (others) Although the lens and game system according to the present invention have been described above based on the above embodiments, the present invention is not limited to the above embodiments.

[0072] For example, the transmission spectrum of lens 10 shown in Figure 3 is just one example; any equivalent transmission spectrum will suffice. An equivalent transmission spectrum means that the peak wavelengths of the two absorption peaks, i.e., the wavelengths at which the two minimum values ​​of transmittance are obtained, are located in the range of 400 nm to 450 nm and the range of 550 nm to 600 nm, respectively. Furthermore, the minimum transmittance in the range of 400 nm to 450 nm should be between 40% and 60%, and the minimum transmittance in the range of 550 nm to 600 nm should be lower than the minimum transmittance in the range of 400 nm to 450 nm. Simply put, any lens that absorbs yellow light more strongly than blue light will suffice.

[0073] Furthermore, the lens 10 may contain one type of absorbing dye 12 or multiple types. The spectrum of the absorbing dye 12 is not limited to the example shown in Figure 2. For example, in the absorption spectrum of a blue light absorbing dye, the peak wavelength of the absorption peak should be in the range of 400 nm to 450 nm. In the absorption spectrum of a yellow light absorbing dye, the peak wavelength of the absorption peak should be in the range of 550 nm to 600 nm.

[0074] For example, methine-based absorption dyes have an absorption peak wavelength around 440 nm. Merocyanine-based absorption dyes have an absorption peak wavelength around 450 nm. Absorption dyes made from heterocyclic vanadium complex compounds have an absorption peak wavelength around 430 nm. Absorption dyes made from heterocyclic copper complex compounds have an absorption peak wavelength around 420 nm. Thus, as long as the absorption pigment 12 contained in the lens 10 satisfies the above characteristics of the absorption spectrum, various dyes can be used.

[0075] The full width at half maximum (FWHM) of each absorption peak is, for example, 100 nm or less, but is not limited to this. The FWHM of the absorption peak may be 90 nm or less, 80 nm or less, 70 nm or less, 60 nm or less, 50 nm or less, 40 nm or less, 30 nm or less, or 20 nm or less.

[0076] Furthermore, although an example has been shown where the base material 11 is a resin base material, it is not limited to this. The base material 11 may also be a glass base material or a quartz base material, etc.

[0077] Furthermore, for example, the lens 10 may be used for purposes other than the game system 100. For example, the lens 10 may be used in an image editing system or a video viewing system, such as a photograph. For example, the display 110 may display video acquired via the internet or broadcast, and user U may view the video displayed on the display 110 through the lens 10.

[0078] Furthermore, the present invention also includes forms obtained by applying various modifications to each embodiment that a person skilled in the art could conceive, as well as forms realized by arbitrarily combining the components and functions of each embodiment without departing from the spirit of the present invention. [Explanation of Symbols]

[0079] 1 Glasses 10 lenses 11 Base material 12 Absorbing pigments 100 Game Systems 110 displays

Claims

1. A lens used when viewing a display, Substrate and The substrate contains one or more absorbent dyes dispersed in it, The absorption spectra of the one or more absorbent dyes are as follows: The first absorption peak has a first peak wavelength located in the range of 400 nm to 450 nm, It has a second absorption peak whose second peak wavelength is located in the range of 550 nm to 600 nm, The first transmittance of the lens at the first peak wavelength is 40% or more and 60% or less. The second transmittance of the lens at the second peak wavelength is lower than the first transmittance. The maximum transmittance of the lens in the range of the first peak wavelength and the second peak wavelength is 1.5 times or more the first transmittance. lens.

2. The second transmittance is 30% or more and 50% or less. The lens according to claim 1.

3. Transmittance of the lens in the range of the first peak wavelength and the second peak wavelength. The maximum value is 70% or more. The lens according to claim 2.

4. The transmitted color of the lens is such that the correlated color temperature is in the range of 4000K to 7500K, and the distance from the white point where the color deviation is within ±0.02 is less than 0.

01. The lens according to claim 1.

5. The luminous transmittance of the aforementioned lens is 50% or more. The lens according to any one of claims 1 to 4.

6. The aforementioned substrate is a resin substrate. The lens according to any one of claims 1 to 4.

7. The aforementioned lens is a lens for eyeglasses, sunglasses, or goggles. The lens according to any one of claims 1 to 4.

8. The lens according to claim 7, It has a display that shows game footage, Game system.

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