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US7182467B2 Expired / Lapsed US ⏱️ 0.0 years remaining

Microstructures integrated into a transparent substrate which scatter incident light to display an image

Assignee: Sun Innovations Inc
•
Filing: 2004-11-03
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Granted: 2007-02-27
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Expires: 2024-11-03
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Abstract

Abstract In accordance with embodiments, viewable imagines can be created in glass. Viewable images may be created in or on glass (or other at least partially transparent substrate), by using microstructures to scatter light from a projector, while the glass maintains transparent or translucent properties. In embodiments, the microstructures are integrated into glass in patterns.

Inventors

  • 👤 Jian-Qiang Liu
  • 👤 Xiao-Dong Sun

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 23:41
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/02; G02B5/0205; G02B5/021; G02B5/0215; G02B5/0236; G02B5/0242; G02B5/0273; G02B5/0278; G02B5/0284

Claims Analysis

Total Claims: 26
Claim 1
Independent Claim 64 words
An apparatus comprising: a transparent substrate; and a plurality of microstructures integrated into the transparent substrate which scatter incident light to display an image on the transparent substrate, wherein the microstructures are integrated into the transparent substrate in a pattern and the cross-sectional area of the pattern at a first angle is greater than the cross-sectional area of the pattern at a second angle.
Claim 2
Independent Claim 64 words
An apparatus comprising: a transparent substrate; and a plurality of microstructures integrated into the transparent substrate which scatter incident light to display an image on the transparent substrate, wherein the microstructures are integrated into the transparent substrate in a pattern and the cross-sectional area of the pattern at a first angle is greater than the cross-sectional area of the pattern at a second angle.
Claim 3
Dependent Claim 24 words
The apparatus of claim 1 , wherein each of the plurality of microstructures has a diameter between about 1 nanometer and about 10 micrometers.
Claim 4
Dependent Claim 24 words
The apparatus of claim 2 , wherein each of the plurality of microstructures has a diameter between about 10 nanometers and about 1 micrometer.
Claim 5
Dependent Claim 15 words
The apparatus of claim 1 , wherein the plurality of microstructures are isotropically scattering particles.
Claim 6
Dependent Claim 37 words
The apparatus of claim 4 , wherein: the plurality of microstructures scatters light from a projector to display the image on the transparent substrate; and the projector projects light at a first angle onto the transparent substrate.
Claim 7
Dependent Claim 29 words
The apparatus of claim 5 , wherein the plurality of microstructures scatters the light projected from the projector at a second angle which is different from the first angle.
Claim 8
Dependent Claim 15 words
The apparatus of claim 1 , wherein the plurality of microstructures are unisotropically scattering particles.
Claim 9
Dependent Claim 15 words
The apparatus of claim 1 , wherein the microstructures are coated onto the transparent substrate.
Claim 10
Dependent Claim 15 words
The apparatus of claim 1 , wherein the microstructures are dispersed in the transparent substrate.
Claim 11
Dependent Claim 15 words
The apparatus of claim 1 , wherein the pattern is repetitive at the transparent substrate.
Claim 12
Dependent Claim 24 words
The apparatus of claim 1 , wherein the pitch of the pattern is in a range of about 1 nanometer to about 10 millimeters.
Claim 13
Dependent Claim 24 words
The apparatus of claim 1 , wherein the thickness of the pattern is in a range of about 1 micrometer to about 10 millimeters.
Claim 14
Dependent Claim 24 words
The apparatus of claim 1 , wherein the width of the pattern is in a range of about 1 nanometer to about 10 millimeters.
Claim 15
Dependent Claim 21 words
The apparatus of claim 1 , wherein the pattern has a fill-factor in a range of about 0.01% to about 99%.
Claim 16
Dependent Claim 37 words
The apparatus of claim 1 , wherein: the plurality of microstructures scatters light from a projector to display the image on the transparent substrate; and the projector projects light at the first angle onto the transparent substrate.
Claim 17
Dependent Claim 22 words
The apparatus of claim 15 , wherein the plurality of microstructures scatters the light projected from the projector at the second angle.
Claim 18
Dependent Claim 26 words
The apparatus of claim 1 , wherein the width of each element of the pattern is less than the depth of each element of the pattern.
Claim 19
Dependent Claim 18 words
The apparatus of claim 1 , wherein the transparent substrate comprises at least one of glass and plastic.
Claim 20
Dependent Claim 19 words
The apparatus of claim 1 , wherein the microstructures comprise at least one of: organic pigments; and organic particles.
Claim 21
Dependent Claim 19 words
The apparatus of claim 1 , wherein the microstructures comprise at least one of: inorganic pigments; and inorganic particles.
Claim 22
Dependent Claim 22 words
The apparatus of claim 1 , wherein the microstructures comprise at least one of: titanium oxides; silica; alumna; latex; and polystyrene particles.
Claim 23
Dependent Claim 26 words
The apparatus of claim 1 , wherein the microstructures are integrated into the transparent substrate by at least one of: printing; stamping; photolithography; and micro-contact printing.
Claim 24
Dependent Claim 18 words
The apparatus of claim 1 , wherein the plurality of microstructures are comprised in a light deflecting surface.
Claim 25
Dependent Claim 16 words
The apparatus of claim 1 , wherein the plurality of microstructures are light deflecting optical material.
Claim 26
Dependent Claim 27 words
The apparatus of claim 1 , wherein the plurality of microstructures are comprised in at least one of: a light scattering surface; and a light deflecting surface.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2010-02-26 2010-08-28 2011-02-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2014-02-26 2014-08-28 2015-02-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2018-02-26 2018-08-28 2019-02-27 $7700.00 Window Closed / Lapsed

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