Toyota Motor Engineering & Manufacturing North America, Inc.
대리인 / 주소
Dinsmore & Shohl LLP
인용정보
피인용 횟수 :
0인용 특허 :
61
초록▼
In one embodiment, a semi-transparent reflector may include a multilayered photonic structure. The multilayered photonic structure includes a plurality of coating layers of high index dielectric material and a plurality of coating layers of low index dielectric material. The plurality of coating lay
In one embodiment, a semi-transparent reflector may include a multilayered photonic structure. The multilayered photonic structure includes a plurality of coating layers of high index dielectric material and a plurality of coating layers of low index dielectric material. The plurality of coating layers of high index dielectric material and the plurality of coating layers of low index dielectric material of the multilayered photonic structure are arranged in an LH . . . (LH)N . . . L structure. L is one of the plurality of coating layers of low index dielectric material. H is one of the plurality of coating layers of high index dielectric material. N is a positive integer. The multilayered photonic structure has substantially constant reflectance values for wavelengths of electromagnetic radiation in a visible spectrum over a range of angles of incidence of the electromagnetic radiation.
대표청구항▼
1. A semi-transparent reflector comprising a multilayered photonic structure, the multilayered photonic structure comprising a plurality of coating layers of high index dielectric material and a plurality of coating layers of low index dielectric material, wherein: the plurality of coating layers of
1. A semi-transparent reflector comprising a multilayered photonic structure, the multilayered photonic structure comprising a plurality of coating layers of high index dielectric material and a plurality of coating layers of low index dielectric material, wherein: the plurality of coating layers of high index dielectric material and the plurality of coating layers of low index dielectric material of the multilayered photonic structure are arranged in an [LH . . . (LH)N . . . L] structure having a total number of layers x, wherein: L is one of the plurality of coating layers of low index dielectric material;H is one of the plurality of coating layers of high index dielectric material;N is a positive integer;the total number of layers x is from about 5 to about 99;intermediate layers (LH) are repeated N times to achieve the total number of layers x such that N=(x−3)/2; andthe multilayered photonic structure has substantially constant reflectance values for wavelengths of electromagnetic radiation in a visible spectrum over a range of angles of incidence of the electromagnetic radiation as measured by having a standard deviation of the substantially constant reflectance values of less than about 7% reflectance over a range of angles of incidence from about 0° to about 45° over a range of wavelengths of electromagnetic radiation from about 400 nm to about 900 nm. 2. The semi-transparent reflector of claim 1, wherein an average of the substantially constant reflectance values is greater than a target reflectance value minus two standard deviations of the substantially constant reflectance values and the average of the substantially constant reflectance values is less than the target reflectance value plus the two standard deviations of the substantially constant reflectance values. 3. The semi-transparent reflector of claim 2, wherein the target reflectance value is from about 51% to about 95%. 4. The semi-transparent reflector of claim 1, wherein the plurality of coating layers of low index dielectric material comprise a low refractive index from about 1.4 to about 1.6. 5. The semi-transparent reflector of claim 1, wherein the plurality of coating layers of high index dielectric material comprise a high refractive index from about 1.9 to about 2.3. 6. The semi-transparent reflector of claim 1, wherein: the plurality of coating layers of high index dielectric material consists of 8 to 12 coating layers of high index dielectric material; andthe plurality of coating layers of low index dielectric material consists of 9 to 13 coating layers of low index dielectric material. 7. The semi-transparent reflector of claim 1, wherein each of the plurality of coating layers of high index dielectric material and each of the plurality of coating layers of low index dielectric material have a layer thickness from about 0.05 nm to about 500 nm. 8. The semi-transparent reflector of claim 1, wherein the multilayered photonic structure is coupled to a surface of an electronic display, a window or a vehicle. 9. A non-metallic vehicle component comprising a multilayered photonic structure comprising a plurality of coating layers of high index dielectric material and a plurality of coating layers of low index dielectric material alternately arranged, wherein: the multilayered photonic structure has substantially constant reflectance values for wavelengths of electromagnetic radiation in a visible spectrum over a range of angles of incidence of the electromagnetic radiation as measured by having a standard deviation of the substantially constant reflectance values of less than about 7% reflectance over a range of angles of incidence of the electromagnetic radiation from about 0° to about 45° over a range of wavelengths of electromagnetic radiation from about 400 nm to about 900 nm;an average of the substantially constant reflectance values is greater than a target reflectance value minus two standard deviations of the substantially constant reflectance values;the average of the substantially constant reflectance values is less than the target reflectance value plus the two standard deviations of the substantially constant reflectance values;the target reflectance value is from about 51% to about 95%; anda total number of coating layers is from about 5 to about 99. 10. The non-metallic vehicle component of claim 9, wherein: the plurality of coating layers of high index dielectric material and the plurality of coating layers of low index dielectric material of the multilayered photonic structure are arranged in an [LH . . . (LH)N . . . L] structure having a total number of layers x;L is one of the plurality of coating layers of low index dielectric material;H is one of the plurality of coating layers of high index dielectric material;N is a positive integer; andintermediate layers (LH) are repeated N times to achieve the total number of layers x such that N=(x−3)/2. 11. The non-metallic vehicle component of claim 9, wherein: the plurality of coating layers of high index dielectric material and the plurality of coating layers of low index dielectric material of the multilayered photonic structure are arranged in an [HL . . . (HL)N . . . H] structure having a total number of layers x;L is one of the plurality of coating layers of low index dielectric material;H is one of the plurality of coating layers of high index dielectric material;N is a positive integer; andintermediate layers (HL) are repeated N times to achieve the total number of layers x such that N=(x−3)/2. 12. A vehicle comprising: a communication system coupled to the vehicle that receives or transmits a transmission signal, wherein the communication system utilizes the transmission signal to exchange information between the vehicle and a compatible communication device outside of the vehicle; anda non-metallic vehicle component coupled to the vehicle and disposed within a transmission path of the communication system, the non-metallic vehicle component comprising a multilayered photonic structure, the multilayered photonic structure comprising a plurality of coating layers of high index dielectric material and a plurality of coating layers of low index dielectric material, wherein:the plurality of coating layers of high index dielectric material and the plurality of coating layers of low index dielectric material of the multilayered photonic structure are arranged in an [LH . . . (LH)N . . . L] structure having a total number layers x, wherein:L is one of the plurality of coating layers of low index dielectric material;H is one of the plurality of coating layers of high index dielectric material;N is a positive integer;intermediate layers (LH) are repeated N times to achieve the total number of layers x such that N=(x−3)/2;the multilayered photonic structure has substantially constant reflectance values for wavelengths of electromagnetic radiation in a visible spectrum over a range of angles of incidence of the electromagnetic radiation as measured by having a standard deviation of the substantially constant reflectance values of less than about 7% reflectance over a range of angles of incidence from about 0° to about 45° over a range of wavelengths of electromagnetic radiation from about 400 nm to about 900 nm; andthe multilayered photonic structure is substantially transparent to the transmission signal, andwherein a total number of layers x is from about 5 to about 99. 13. The vehicle of claim 12, wherein: an average of the substantially constant reflectance values is greater than a target reflectance value minus two standard deviations of the substantially constant reflectance values;the average of the substantially constant reflectance values is less than the target reflectance value plus the two standard deviations of the substantially constant reflectance values; andthe target reflectance value is from about 51% to about 95%. 14. The vehicle of claim 12, wherein the non-metallic vehicle component is a trim piece, a vehicle emblem, a grille, a hood ornament, a wheel cover, a bumper, a bezel, a taillight, a reflector, a video monitor coating, or a mirror. 15. The vehicle of claim 12, wherein the transmission signal is a K-band transmission, a Ka-band transmission or a V-band transmission. 16. The vehicle of claim 12, wherein the non-metallic vehicle component is coupled to an exterior surface of the vehicle. 17. The vehicle of claim 12, wherein: the plurality of coating layers of high index dielectric material consists of 8 to 12 coating layers of high index dielectric material; andthe plurality of coating layers of low index dielectric material consists of 9 to 13 coating layers of low index dielectric material.
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