A method for making a coated substrate (10), such as a polymeric lens (11), includes positioning a heat sink (22) of a heat-conductive and/or heat reflective material adjacent a sidewall (16) of the substrate (10) and subjecting the substrate (10) to a coating and curing process. A coating assembly (76) includes a substrate (10), such as a polymeric lens (11), and a heat sink (22) adjacent a sidewall (16) of the substrate (10).

An optical converter wheel, a method of producing, and a method of using are provided. The wheel includes an inorganic converter material that converts light of a first wavelength into light of a second wavelength and a converter substrate. The converter substrate has a coefficient of thermal expansion CTE.sub.KS of 4 to 18×10.sup.−6 1/K in a range from 20° C.-300° C. and a thermal conductivity of at least 50 W/mK at 20° C.

An optical converter wheel, a method of producing, and a method of using are provided. The wheel includes an inorganic converter material that converts light of a first wavelength into light of a second wavelength and a converter substrate. The converter substrate has a coefficient of thermal expansion CTE.sub.KS of 4 to 18×10.sup.−6 1/K in a range from 20° C.-300° C. and a thermal conductivity of at least 50 W/mK at 20° C.

Provided is an optical laminate that is excellent in terms of adhesion between a polyester film having a high degree of plane orientation ΔP and an easy adhesive layer and suppresses a local defect without using an easy adhesive layer of a specific material. The easy adhesive layer, an uneven layer, and an antifouling layer are provided on the polyester film, when a refractive index in a slow axis direction in a plane of the polyester film is defined as nx, a refractive index in a direction orthogonal to the slow axis in the same plane is defined as ny, and a refractive index in a thickness direction of the polyester film is defined as nz, the polyester film satisfies the following formula 1-2, and, regarding the uneven layer, when a three-dimensional skewness of a surface of the uneven layer is defined as Ssk, and a three-dimensional arithmetic average roughness of the surface of the uneven layer is defined as Sa, Ssk and Sa satisfy the following formula 2-1.

[00001]$\begin{array}{cc}0.140\le \Delta P& \text{­­­(1-2)}\end{array}$

[00002]$\begin{array}{cc}0.80\le A\le 1.90& \text{­­­(2-1)}\end{array}$

wherein “ΔP” represents ((nx + ny)/2 - nz), and “A” represents log.sub.10(Sa [.Math.m] × 100/Ssk), provided that 0 < Ssk.

Provided is an optical laminate that is excellent in terms of adhesion between a polyester film having a high degree of plane orientation ΔP and an easy adhesive layer and suppresses a local defect without using an easy adhesive layer of a specific material. The easy adhesive layer, an uneven layer, and an antifouling layer are provided on the polyester film, when a refractive index in a slow axis direction in a plane of the polyester film is defined as nx, a refractive index in a direction orthogonal to the slow axis in the same plane is defined as ny, and a refractive index in a thickness direction of the polyester film is defined as nz, the polyester film satisfies the following formula 1-2, and, regarding the uneven layer, when a three-dimensional skewness of a surface of the uneven layer is defined as Ssk, and a three-dimensional arithmetic average roughness of the surface of the uneven layer is defined as Sa, Ssk and Sa satisfy the following formula 2-1.

[00001]$\begin{array}{cc}0.140\le \Delta P& \text{­­­(1-2)}\end{array}$

[00002]$\begin{array}{cc}0.80\le A\le 1.90& \text{­­­(2-1)}\end{array}$

wherein “ΔP” represents ((nx + ny)/2 - nz), and “A” represents log.sub.10(Sa [.Math.m] × 100/Ssk), provided that 0 < Ssk.

Method for making an eyeglass lens coated by means of physical vapor deposition PVD, such method comprising a step of arranging a lens blank, provided with a first centering reference, a step of arranging a support body, provided with a first shaped and through opening oriented with respect to a second centering reference thereof, and a step of arranging a centering template. The present method then comprises an assembly step of the lens blank with the support body and of the support body with the centering template. Subsequently, the present method comprises a step of coating the lens blank by means of physical vapor deposition PVD, and finally comprises a cutting step in which the lens blank is cut along a cutting profile shaped in eyeglass lens form and oriented with respect to the first centering reference.

Method for making an eyeglass lens coated by means of physical vapor deposition PVD, such method comprising a step of arranging a lens blank, provided with a first centering reference, a step of arranging a support body, provided with a first shaped and through opening oriented with respect to a second centering reference thereof, and a step of arranging a centering template. The present method then comprises an assembly step of the lens blank with the support body and of the support body with the centering template. Subsequently, the present method comprises a step of coating the lens blank by means of physical vapor deposition PVD, and finally comprises a cutting step in which the lens blank is cut along a cutting profile shaped in eyeglass lens form and oriented with respect to the first centering reference.

The present invention is directed to a chromatic effect light reflective unit (1; 1a-1g). The unit (1; 1a-1g) comprises a reflective layer (10) having at least one reflective surface (11), and a chromatic diffusion layer (20) having a first surface (21) proximal to the reflective surface (11) and a second surface (23), opposite and substantially parallel to the first, configured to be illuminated by incident light, wherein the chromatic diffusion layer (20) comprises a nano-pillar (70) or nano-pore (30) structure in a first material having a first refractive index (n1), immersed in a second material having a second refractive index (n2) other than the first (n1), in which the first and second materials are substantially non-absorbing or transparent to electromagnetic radiations with wavelength included in the visible spectrum, wherein the ratio (n.sub.M/n.sub.m) between a higher refractive index (n.sub.M) and a lower refractive index (n.sub.M) chosen between the first (n1) and the second (n2) refractive indexes is comprised between 1.05 and 3, wherein the nano- pillars (71) or nano-pores (31) have a development along a main direction not parallel to the first surface (21) and the second surface (23) of the chromatic diffusion layer and the nano- pillars (70) or nano-pores (30) structure is characterized by a plurality of geometric parameters comprising a pillar diameter or pore diameter (d.sub.p), a pillar length or pore length (1.sub.p) along said main development direction, and a surface density of nano-pillars or nano-pores (D.sub.p) and/or a structure (30,70) porosity (P.sub.p) and wherein the pillar diameter or pore diameter (d.sub.p) is comprised between 40 nm and 300 nm, the length (l.sub.p) along the main development direction is comprised between 300 nm and 40 .Math.m (300 nm < l.sub.p < 40 .Math.m) and at least one between the surface density of nano-pillars or nano-pores (D.sub.p) and the structure (30,70) porosity (P.sub.p) is configured to provide a higher regular reflectance for wavelengths of incident light comprised in the range of red with respect to wavelengths of incident light comprised in the range of blue and a higher diffuse reflectance for wavelengths of incident light comprised in the range of blue than wavelengths of incident light comprised in the range of red.

A cover glass sheet configured to cover at least a display device, having an outer sheet face and an inner sheet face where the inner sheet face faces the display device and wherein the outer sheet face includes (a) at least a display zone (1) allowing visualization of at least part of a screen of the display device, the display zone having a perimeter, P.sub.display; and (b) at least an opaque zone (2) corresponding to a layer of opaque paint being added at the exception of the display zone, to all or part of the remaining inner sheet face and directly surrounding at least 10-100% of the display perimeter, the opaque zone has a mean surface roughness defined by an opaque arithmetic amplitude value, Ra.sub.(op). The outer sheet face further includes at least one textured zone covering between 0.5% to 99.5% of the opaque zone.

A cover glass sheet configured to cover at least a display device, having an outer sheet face and an inner sheet face where the inner sheet face faces the display device and wherein the outer sheet face includes (a) at least a display zone (1) allowing visualization of at least part of a screen of the display device, the display zone having a perimeter, P.sub.display; and (b) at least an opaque zone (2) corresponding to a layer of opaque paint being added at the exception of the display zone, to all or part of the remaining inner sheet face and directly surrounding at least 10-100% of the display perimeter, the opaque zone has a mean surface roughness defined by an opaque arithmetic amplitude value, Ra.sub.(op). The outer sheet face further includes at least one textured zone covering between 0.5% to 99.5% of the opaque zone.