Patents by Inventor Yoshitaka Sugawara
Yoshitaka Sugawara has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 11976214Abstract: The antiglare film of the present invention is provided with an antiglare layer having a haze value in a range from 60% to 95%, an internal haze value in a range from 0.5% to 15.0%, and a standard deviation of luminance distribution of a display in a case where the antiglare film is mounted on a surface of the display in a range from 0 to 10.Type: GrantFiled: June 25, 2018Date of Patent: May 7, 2024Assignee: DAICEL CORPORATIONInventor: Yoshitaka Sugawara
-
Publication number: 20240142670Abstract: An anti-glare film is prepared which have a ratio R/V of a scattered specular reflection intensity R to a total V of scattered reflection intensity being from 0.01 to 0.12 and an absolute value of a chromaticity b* of transmitted light being 3 or less. The anti-glare film includes a transparent substrate layer, and an anti-glare layer formed on at least one surface of the transparent substrate layer. The anti-glare layer may be a cured product of a curable composition including one or more types of a polymer component and one or more types of a curable resin precursor component, and in particular, at least two components selected from a polymer component and a curable resin precursor component can be phase separated through liquid phase spinodal decomposition. This anti-glare film can achieve non-coloring properties and anti-glare properties in a compatible manner.Type: ApplicationFiled: January 5, 2024Publication date: May 2, 2024Applicant: DAICEL CORPORATIONInventors: Yoshitaka SUGAWARA, Masaki HAYASHI
-
Publication number: 20240103206Abstract: An anti-glare film is attached on a surface of a display, and includes an anti-glare layer. The anti-glare layer is set to have a sparkle value falling within a range from 6 to 10, which is defined based on a value of a standard deviation of luminance distribution of the display under a state in which the anti-glare film is attached on the surface of the display, a value of specular gloss of 30% or less, which is measured with 60-degree specular gloss, a value of transmission image clarity of 60% or less, which has an optical comb of 0.5 mm, and a haze value of 50% or less. Consequently, satisfactory anti-glare property can be provided while appropriately suppressing sparkle on the display.Type: ApplicationFiled: December 8, 2023Publication date: March 28, 2024Applicant: DAICEL CORPORATIONInventors: Yoshitaka SUGAWARA, Masaki HAYASHI
-
Patent number: 11906702Abstract: An anti-glare film is prepared which have a ratio R/V of a scattered specular reflection intensity R to a total V of scattered reflection intensity being from 0.01 to 0.12 and an absolute value of a chromaticity b* of transmitted light being 3 or less. The anti-glare film includes a transparent substrate layer, and an anti-glare layer formed on at least one surface of the transparent substrate layer. The anti-glare layer may be a cured product of a curable composition including one or more types of a polymer component and one or more types of a curable resin precursor component, and in particular, at least two components selected from a polymer component and a curable resin precursor component can be phase separated through liquid phase spinodal decomposition. This anti-glare film can achieve non-coloring properties and anti-glare properties in a compatible manner.Type: GrantFiled: September 21, 2018Date of Patent: February 20, 2024Assignee: DAICEL CORPORATIONInventors: Yoshitaka Sugawara, Masaki Hayashi
-
Patent number: 11880051Abstract: An anti-glare film is attached on a surface of a display, and includes an anti-glare layer. The anti-glare layer is set to have a sparkle value falling within a range from 6 to 10, which is defined based on a value of a standard deviation of luminance distribution of the display under a state in which the anti-glare film is attached on the surface of the display, a value of specular gloss of 30% or less, which is measured with 60-degree specular gloss, a value of transmission image clarity of 60% or less, which has an optical comb of 0.5 mm, and a haze value of 50% or less. Consequently, satisfactory anti-glare property can be provided while appropriately suppressing sparkle on the display.Type: GrantFiled: March 31, 2023Date of Patent: January 23, 2024Assignee: DAICEL CORPORATIONInventors: Yoshitaka Sugawara, Masaki Hayashi
-
Publication number: 20230373192Abstract: An anti-glare film including a light reflectance of 3.8% or less and a haze of 40% or greater. A 60° gloss of the anti-glare film may be 15% or less. The anti-glare film includes a transparent substrate layer, and an anti-glare layer formed on at least one surface of the transparent substrate layer. The anti-glare layer may be a cured product of a curable composition including one or more types of a polymer component and one or more types of a curable resin precursor component, and in particular, at least two components selected from a polymer component and a curable resin precursor component can be phase separated through liquid phase spinodal decomposition. The anti-glare film has improved anti-reflection properties.Type: ApplicationFiled: August 1, 2023Publication date: November 23, 2023Applicant: DAICEL CORPORATIONInventors: Yoshitaka SUGAWARA, Masaki HAYASHI, Kensaku HIROSE
-
Publication number: 20230350102Abstract: An anti-glare film is attached on a surface of a display, and includes an anti-glare layer. The anti-glare layer is set to have a sparkle value of 10 or less, which is defined based on a value of a standard deviation of luminance distribution of the display under a state in which the anti-glare film is attached on the surface of the display, a value of specular gloss of 40% or less, which is measured with 60-degree specular gloss, and a value of transmission image clarity of 40% or less, which has an optical comb of 0.5 mm. Consequently, satisfactory anti-glare property can be provided while appropriately suppressing sparkle on the display.Type: ApplicationFiled: July 7, 2023Publication date: November 2, 2023Applicant: DAICEL CORPORATIONInventors: Yoshitaka SUGAWARA, Masaki HAYASHI
-
Patent number: 11772365Abstract: An anti-glare film including a light reflectance of 3.8% or less and a haze of 40% or greater. A 60° gloss of the anti-glare film may be 15% or less. The anti-glare film includes a transparent substrate layer, and an anti-glare layer formed on at least one surface of the transparent substrate layer. The anti-glare layer may be a cured product of a curable composition including one or more types of a polymer component and one or more types of a curable resin precursor component, and in particular, at least two components selected from a polymer component and a curable resin precursor component can be phase separated through liquid phase spinodal decomposition. The anti-glare film has improved anti-reflection properties.Type: GrantFiled: September 21, 2018Date of Patent: October 3, 2023Assignee: DAICEL CORPORATIONInventors: Yoshitaka Sugawara, Masaki Hayashi, Kensaku Hirose
-
Patent number: 11733431Abstract: An anti-glare film is attached on a surface of a display, and includes an anti-glare layer. The anti-glare layer is set to have a sparkle value of 10 or less, which is defined based on a value of a standard deviation of luminance distribution of the display under a state in which the anti-glare film is attached on the surface of the display, a value of specular gloss of 40% or less, which is measured with 60-degree specular gloss, and a value of transmission image clarity of 40% or less, which has an optical comb of 0.5 mm. Consequently, satisfactory anti-glare property can be provided while appropriately suppressing sparkle on the display.Type: GrantFiled: March 17, 2022Date of Patent: August 22, 2023Assignee: DAICEL CORPORATIONInventors: Yoshitaka Sugawara, Masaki Hayashi
-
Publication number: 20230244009Abstract: An anti-glare film is attached on a surface of a display, and includes an anti-glare layer. The anti-glare layer is set to have a sparkle value falling within a range from 6 to 10, which is defined based on a value of a standard deviation of luminance distribution of the display under a state in which the anti-glare film is attached on the surface of the display, a value of specular gloss of 30% or less, which is measured with 60-degree specular gloss, a value of transmission image clarity of 60% or less, which has an optical comb of 0.5 mm, and a haze value of 50% or less. Consequently, satisfactory anti-glare property can be provided while appropriately suppressing sparkle on the display.Type: ApplicationFiled: March 31, 2023Publication date: August 3, 2023Applicant: DAICEL CORPORATIONInventors: Yoshitaka SUGAWARA, Masaki HAYASHI
-
Patent number: 11650357Abstract: An anti-glare film is attached on a surface of a display, and includes an anti-glare layer. The anti-glare layer is set to have a sparkle value falling within a range from 6 to 10, which is defined based on a value of a standard deviation of luminance distribution of the display under a state in which the anti-glare film is attached on the surface of the display, a value of specular gloss of 30% or less, which is measured with 60-degree specular gloss, a value of transmission image clarity of 60% or less, which has an optical comb of 0.5 mm, and a haze value of 50% or less. Consequently, satisfactory anti-glare property can be provided while appropriately suppressing sparkle on the display.Type: GrantFiled: June 25, 2018Date of Patent: May 16, 2023Assignee: DAICEL CORPORATIONInventors: Yoshitaka Sugawara, Masaki Hayashi
-
Patent number: 11624856Abstract: Gloss of a surface having a concave-convex structure is measured, and R/V, which is a ratio of a diffuse specular reflection intensity R to a sum total V of diffuse reflection intensities (in formula, the diffuse specular reflection intensity R represents a diffuse reflection intensity measured at an aperture angle of 1 degree by a variable-angle photometer in a diffuse specular reflection direction when visible light is radiated, at an angle of 45 degrees from a normal line, to the surface having the concave-convex structure of the anti-glare film, and the sum total V of diffuse reflection intensities represents a sum total of diffuse reflection intensities measured at an aperture angle of 1 degree by a variable-angle photometer for every 1 degree from ?45 degrees up to 45 degrees, including 0 degrees, with respect to the diffuse specular reflection direction when visible light is radiated, at an angle of 45 degrees from a normal line, to the surface having the concave-convex structure of the anti-glare filmType: GrantFiled: March 23, 2018Date of Patent: April 11, 2023Assignee: DAICEL CORPORATIONInventor: Yoshitaka Sugawara
-
Patent number: 11598903Abstract: An anti-glare film including a light reflectance of 3.8% or less and a transmission image clarity of 80% or less. The transmission image clarity of the anti-glare film may be from 5 to 70%. The anti-glare film includes a transparent substrate layer, and an anti-glare layer formed on at least one surface of the transparent substrate layer. The anti-glare layer may be a cured product of a curable composition including one or more types of a polymer component and one or more types of a curable resin precursor component, and in particular, at least two components selected from a polymer component and a curable resin precursor component can be phase separated through liquid phase spinodal decomposition. The anti-glare film can satisfactorily provide anti-reflection properties, anti-glare properties, and transparency.Type: GrantFiled: September 21, 2018Date of Patent: March 7, 2023Assignee: DAICEL CORPORATIONInventors: Yoshitaka Sugawara, Masaki Hayashi
-
Publication number: 20220365246Abstract: Provided is an optical laminate produced by disposing an anti-glare layer on at least one side of a light-transmitting substrate, the anti-glare layer having a surface that has the arithmetic mean peak curvature Spc of 1.5 mm?1 or less in absolute value, the optical laminate has the adjusted transmission image clarity of 85% or less. On the anti-glare layer, further disposed is a low refractive index layer. The optical laminate including the low refractive index layer may have a luminous reflectance of 1.4 or less. The optical laminate improves the anti-glare properties.Type: ApplicationFiled: June 4, 2020Publication date: November 17, 2022Applicant: Daicel CorporationInventor: Yoshitaka SUGAWARA
-
Publication number: 20220206189Abstract: An anti-glare film is attached on a surface of a display, and includes an anti-glare layer. The anti-glare layer is set to have a sparkle value of 10 or less, which is defined based on a value of a standard deviation of luminance distribution of the display under a state in which the anti-glare film is attached on the surface of the display, a value of specular gloss of 40% or less, which is measured with 60-degree specular gloss, and a value of transmission image clarity of 40% or less, which has an optical comb of 0.5 mm. Consequently, satisfactory anti-glare property can be provided while appropriately suppressing sparkle on the display.Type: ApplicationFiled: March 17, 2022Publication date: June 30, 2022Applicant: DAICEL CORPORATIONInventors: Yoshitaka SUGAWARA, Masaki HAYASHI
-
Publication number: 20220135807Abstract: The antiglare film of the present invention is provided with an antiglare layer having a haze value in a range from 50% to 99%, and in a state where the antiglare film is mounted on a surface of a display, a standard deviation of luminance distribution of the display is a value in a range from 0 to 6, and transmission image clarity at an optical comb width of 0.5 mm is a value in a range from 0% to 60%.Type: ApplicationFiled: January 14, 2022Publication date: May 5, 2022Applicant: DAICEL CORPORATIONInventors: Masaki HAYASHI, Yoshitaka SUGAWARA
-
Patent number: 11313995Abstract: An anti-glare film is attached on a surface of a display, and includes an anti-glare layer. The anti-glare layer is set to have a sparkle value of 10 or less, which is defined based on a value of a standard deviation of luminance distribution of the display under a state in which the anti-glare film is attached on the surface of the display, a value of specular gloss of 40% or less, which is measured with 60-degree specular gloss, and a value of transmission image clarity of 40% or less, which has an optical comb of 0.5 mm. Consequently, satisfactory anti-glare property can be provided while appropriately suppressing sparkle on the display.Type: GrantFiled: June 25, 2018Date of Patent: April 26, 2022Assignee: DAICEL CORPORATIONInventors: Yoshitaka Sugawara, Masaki Hayashi
-
Publication number: 20210141123Abstract: Gloss of a surface having a concave-convex structure is measured, and R/V, which is a ratio of a diffuse specular reflection intensity R to a sum total V of diffuse reflection intensities (in formula, the diffuse specular reflection intensity R represents a diffuse reflection intensity measured at an aperture angle of 1 degree by a variable-angle photometer in a diffuse specular reflection direction when visible light is radiated, at an angle of 45 degrees from a normal line, to the surface having the concave-convex structure of the anti-glare film, and the sum total V of diffuse reflection intensities represents a sum total of diffuse reflection intensities measured at an aperture angle of 1 degree by a variable-angle photometer for every 1 degree from ?45 degrees up to 45 degrees, including 0 degrees, with respect to the diffuse specular reflection direction when visible light is radiated, at an angle of 45 degrees from a normal line, to the surface having the concave-convex structure of the anti-glare filmType: ApplicationFiled: March 23, 2018Publication date: May 13, 2021Applicant: DAICEL CORPORATIONInventor: Yoshitaka SUGAWARA
-
Publication number: 20200264340Abstract: An anti-glare film including a light reflectance of 3.8% or less and a transmission image clarity of 80% or less. The transmission image clarity of the anti-glare film may be from 5 to 70%. The anti-glare film includes a transparent substrate layer, and an anti-glare layer formed on at least one surface of the transparent substrate layer. The anti-glare layer may be a cured product of a curable composition including one or more types of a polymer component and one or more types of a curable resin precursor component, and in particular, at least two components selected from a polymer component and a curable resin precursor component can be phase separated through liquid phase spinodal decomposition. The anti-glare film can satisfactorily provide anti-reflection properties, anti-glare properties, and transparency.Type: ApplicationFiled: September 21, 2018Publication date: August 20, 2020Applicant: DAICEL CORPORATIONInventors: Yoshitaka SUGAWARA, Masaki HAYASHI
-
Publication number: 20200254729Abstract: An anti-glare film including a light reflectance of 3.8% or less and a haze of 40% or greater. A 60° gloss of the anti-glare film may be 15% or less. The anti-glare film includes a transparent substrate layer, and an anti-glare layer formed on at least one surface of the transparent substrate layer. The anti-glare layer may be a cured product of a curable composition including one or more types of a polymer component and one or more types of a curable resin precursor component, and in particular, at least two components selected from a polymer component and a curable resin precursor component can be phase separated through liquid phase spinodal decomposition. The anti-glare film has improved anti-reflection properties.Type: ApplicationFiled: September 21, 2018Publication date: August 13, 2020Applicant: DAICEL CORPORATIONInventors: Yoshitaka SUGAWARA, Masaki HAYASHI, Kensaku HIROSE