Inventor

BIERNATH ROLF W

US54 patents

⚠️ This page may combine multiple inventors who share the name “BIERNATH ROLF W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BIERNATH ROLF W

3M INNOVATIVE PROPERTIES CO

Microfluidic articles

Methods of manufacturing microfluidic articles

Encapsulant compositions with thermal shock resistance

Electromagnetically responsive particle assembly and methods and articles for manufacture and use

Hybrid daylight-coupled backlights for sunlight viewable displays

Article having a birefringent surface and microstructured features having a variable pitch or angles for use as a blur filter

Microstructured segmented electrode film for electronic displays

Post and pocket microstructures containing moveable particles having optical effects

Microstructures with assisting optical elements to enhance an optical effect

Method of improving the respondability of moveable structures in a display

Electronic assemblies with elastomeric members made from cured, room temperature curable silicone compositions having improved stress relaxation resistance

Patterned marking of multilayer optical film by thermal conduction

Patterned marking of multilayer optical film by thermal conduction

Microstructures with assisting optical lenses

Optically active materials and articles and systems in which they may be used

Patterned marking of multilayer optical film by thermal conduction

Alignments for a projection system with a shaped projection screen using alignment content

Microstructured transfer tapes

Optically active materials and articles and systems in which they may be used

Optical filter

Recycling backlights with semi-specular components

Thin hollow backlights with beneficial design characteristics

Backlight and display system using same

Optical filters complementary angular blocking regions

Spectrally selective light control film

Optical filters having spatially variant microreplicated layers

Birefringent structured film for LED color mixing in a backlight

Optical stack

Patterned marking of multilayer optical film by thermal conduction

MINNESOTA MINING & MFG

Electrical connector assembly with interleaved multilayer structure and fabrication method

Electrical connector assembly with interleaved multilayer structure and fabrication method

Microridge abrasion for selective metalization

Edge-connecting printed circuit board

Separable electrical connector assembly having a planar array of conductive protrusions

3M INNOVATIVE PROPERTIES COMPANY

Optical filters complementary angular blocking regions

Angularly and spectrally selective detector and light source systems

Spectrally selective retroreflective system

Technique for determining presence of a species in a sample

BIERNATH ROLF W

Passive daylight-coupled backlight with turning film having prisms with chaos for sunlight viewable displays

Passive and hybrid daylight-coupled N-stack and collapsible backlights for sunlight viewable displays

Passive and hybrid daylight-coupled backlights for sunlight viewable displays

WEBER MICHAEL F

Backlight and display system using same

Recycling backlights with semi-specular components

SMITHSON ROBERT L W

Optically active materials and articles and systems in which they may be used

WHEATLEY JOHN A

Backlights having selected output light flux distributions and display systems using same

KRISTOFFERSEN MARTIN

Lighting assemblies and systems

HUIZINGA JOHN S

Stereoscopic 3D liquid crystal display apparatus having a double sided prism film comprising cylindrical lenses and non-contiguous prisms

NEVITT TIMOTHY J

Thin hollow backlights with beneficial design characteristics

WEBER BRIAN T

High angle rear projection system

BOVEDA INC

Systems, methods and devices for controlling humidity in a closed environment with automatic and predictive identification, purchase and replacement of optimal humidity controller