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7418202 |
Article having a birefringent surface and microstructured features having a variable pitch or angles for use as a blur filter
An optical low pass filter or blur filter, and method of making the filters, using an article having a birefringent surface for refracting incoming light when used with an image sensor. The...
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7369192 |
Methods of making and using optical film, light-diffusing film
An embodiment of a method of making an optical film comprises heating the optical film comprising greater than or equal to 80 wt. % polycarbonate to a sufficient temperature to stretch the optical...
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7366393 |
Light enhancing structures with three or more arrays of elongate features
Various embodiments comprise light recycling films comprising an array of parallel ridges and grooves that form prisms that selectively reflect or transmit light. In some embodiments, the light...
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7341784 |
Light management film and its preparation and use
A light management film includes a first layer with a thermoplastic resin and a particular phosphonium sulfonate salt, and a second layer formed from a curable composition and having a refractive...
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7330315 |
Light-redirecting optical structures
A plurality of microstructures is provided, with each microstructure having at least a first side and at least a second side terminating at a peak. At least some of the peaks can include an...
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7316498 |
Faceted optical substrate and method of fabricating a faceted optical substrate and a backlight display comprising the faceted optical substrate
There is provided an optical substrate. The optical substrate includes at least one prism structure. Each of the at least one prism structures has a first surface characterized by a first surface...
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7314652 |
Diffuser for flat panel display
A light diffusing film for a back light display is described. The light diffusing film includes a unitary film consisting essentially of polycarbonate and a uniformly dispersed anti-static material...
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7280170 |
Optical film, light-diffusing film, and methods of making and using the same
A method of making an optical film comprises heating the optical film comprising greater than or equal to 80 wt. % polycarbonate to a sufficient temperature to stretch the optical film, wherein the...
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7278771 |
Optical film
A film for use with a backlit display has prismatic structure on one surface. The structures have a serpentine shape. The average periods and amplitudes of the serpentine shapes may be optimized to...
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7251079 |
Brightness enhancement film, and methods of making and using the same
In one embodiment, a brightness enhancement film comprises: a diffusing film comprising a front surface and a back surface, a coating on the front surface, and light redirecting structures disposed...
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7250122 |
Differentially cured materials and process for forming same
A structure includes a layer which includes a first cured portion and a second cured portion which are formed from a same light curable material. The first cured portion is cured to a first amount,...
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7248412 |
Optical substrate with modulated structure
There is provided an optical substrate. The optical substrate includes at least one surface, The at least one surface includes at least one optical structure having a shape and dimensions, wherein...
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7230764 |
Differentially-cured materials and process for forming same
A light-redirecting optical structure includes a first side and a second side, the first side including plurality of linear prisms having a visibly random shaped surface on the prisms and a...
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7212345 |
Randomized patterns of individual optical elements
A method of randomizing elements into a random pattern on a surface so the random pattern of elements substantially entirely consumes a region of the surface includes choosing an overlap distance...
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7106517 |
Display optical films
There is provided an optical film. The optical film comprises a first surface defined by a first surface structure function modulated by a second surface structure function such that the first...
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7072092 |
Optical substrate with modulated structure
There is provided an optical substrate. The optical substrate includes at least one surface. The at least one surface includes at least one optical structure having a shape and dimensions, wherein...
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