Charles Sperry
Charles R Sperry, Vincent A Piucci Jr: Apparatus and method for producing bags and foam-in-bag cushions. Sealed Air Corporation, October 29, 2002: US06472638 (25 worldwide citation)

A bag forming apparatus and method that features a single drive unit for operating both a drive roller and cross-cut mechanism with the drive motor assembly being internalized within the drive roller. The bag forming apparatus and method also features a easy slide in, slide out edge sealer and vent ...

Charles Sperry
Charles R Sperry, Suzanne M Scott, Jason A Rittenhour, Jack Crane: Heating element for high-speed film-sealing apparatus, and method for making same. Sealed Air Corporation, Alston & Bird, January 29, 2008: US07323665 (4 worldwide citation)

A heating element for a film-sealing apparatus comprises a heating wire segment formed of a first metal having a first reflectance to laser radiation of a predetermined wavelength. The heating element further comprises a first conductor lead comprising a wire having one end joined to a first end of ...

Brian Thomas
Kaifeng Liu, Brian Thomas, Steven Charlebois: Hydrogels with gradient. Zimmer, Cook Alex, November 22, 2011: US08062739 (2 worldwide citation)

The present invention provides a hydrogel article having a multi-layered structure and exhibiting a gradient in polymer molecular weight. The invention also provides a method of forming a hydrogel article having a multi-layered structure and exhibiting a gradient in polymer molecular weight.

Fujita Tatsuya, Sugihara Toshinori, Ochi Hisao, Kawasaki Masashi, Ono Hideo: Active matrix substrate and its producing process. Sharp, Kawasaki Masashi, Ono Hideo, September 30, 2004: JP2004-273732 (2669 worldwide citation)

PROBLEM TO BE SOLVED: To obtain an active matrix substrate in which a TFT is protected effectively against static electricity by providing a short circuit member having a convenient structure of high charge dispersiveness and functioning even after a packaging process thereby substantially eliminati ...

Mark E Thompson, Yujian You, Andrei Shoustikov, Scott Sibley, Paul E Burrows, Stephen R Forrest: OLEDs doped with phosphorescent compounds. The Trustees of Princeton University, The University of Southern California, Kenyon & Kenyon, October 16, 2001: US06303238 (904 worldwide citation)

Organic light emitting devices are disclosed which are comprised of a heterostructure for producing electroluminescence wherein the heterostructure is comprised of an emissive layer containing a phosphorescent dopant compound. For example, the phosphorescent dopant compound may be comprised of plati ...

Marc A Baldo, Diarmuid F O Brien, Stephen R Forrest: Structure for high efficiency electroluminescent device. The Trustees of Princeton University, Kenyon & Kenyon, August 1, 2000: US06097147 (853 worldwide citation)

A light emitting device including a pixel having a substantially transparent anode; a hole transporting layer over the anode; an emission layer over the hole transporting layer; a blocking layer over the emission layer; an electron transporting layer over the blocking layer; and a cathode in electri ...

George G Mueller, Ihor A Lys: Multicolored LED lighting method and apparatus. Color Kinetics, Foley Hoag & Eliot, January 18, 2000: US06016038 (833 worldwide citation)

The systems and methods described herein relate to LED systems capable of generating light, such as for illumination or display purposes. The light-emitting LEDs may be controlled by a processor to alter the brightness and/or color of the generated light, e.g., by using pulse-width modulated signals ...

Kenneth Schofield, Mark L Larson, Keith J Vadas: Vehicle headlight control using imaging sensor. Donnelly Corporation, Van Dyke Gardner Linn & Burkhart, August 18, 1998: US05796094 (705 worldwide citation)

A vehicle headlamp control method and apparatus includes providing an imaging sensor that senses light in spatially separated regions of a field of view forward of the vehicle. Light levels sensed in individual regions of the field of view are evaluated in order to identify light sources of interest ...

Vladimir Bulovic, Stephen R Forrest, Paul Burrows, Dmitri Z Garbuzov: High efficiency organic light emitting devices with light directing structures. The Trustees of Princeton University, Kenyon & Kenyon, November 10, 1998: US05834893 (694 worldwide citation)

An organic light emitting device (OLED) structure having reflective surfaces is fabricated in a pit formed in a substrate. The pit has slanted reflective side walls which redirect light that is waveguided in the organic layers of the OLED to a direction substantially normal to the plane of the subst ...

Stephen R Forrest, Paul Burrows, Dmitri Z Garbuzov: Displays having mesa pixel configuration. The Trustees of Princeton University, Kenyon & Kenyon, July 18, 2000: US06091195 (662 worldwide citation)

A multicolor organic light emitting display device employs angle-walled blue, green and red emitting mesas, with optional metal reflectors on the angled walls, in a plurality of pixels. The angle-walled mesas, which resemble truncated pyramids, direct light out of the mesa by reflection from the mes ...