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Olivier F Prache, Age 66213 Manville Rd, Pleasantville, NY 10570

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Known as:
Olivier Marine Prache Oliver Prache
Related to:
Guillaume P Prache 49 Ariane C Prache 34

Olivier Prache Phones & Addresses

213 Manville Rd, Pleasantville, NY 10570 (914) 769-2204

Hopewell Junction, NY

Royal Oak, MI

Farmington Hills, MI

Ann Arbor, MI

Westchester, NY

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Olivier F Prache

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Work

Company: Emagin corporation Position: Director of marketing

Skills

Semiconductors • Electronics • Product Development • R&D • Ic • Program Management • Engineering Management • Semiconductor Industry • Start Ups • Mixed Signal • Optics • Product Management • Consumer Electronics • Sensors • Spc • Manufacturing • Testing • Product Design • Product Marketing • Process Simulation • Strategy • Process Improvement • Design of Experiments • Lean Manufacturing • Continuous Improvement • Six Sigma • Engineering • Cross Functional Team Leadership • Process Engineering • Commercialization • Thin Films • Photolithography • Supply Chain Management • Product Lifecycle Management • Photovoltaics • Failure Analysis • Iso • Manufacturing Operations Management • Product Engineering • Root Cause Analysis • Test Equipment • Design For Manufacturing • Mems • Embedded Systems • Nanotechnology • Go To Market Strategy • Metrology • Materials Science • Cmos • Pcb Design

Languages

French

Ranks

Certificate: Project Management Professional

Industries

Consumer Electronics

Mentions for Olivier F Prache

Olivier Prache resumes & CV records

Resumes

Olivier Prache Photo 2

Olivier Prache

Location:
2070 Route 52, Hopewell Junction, NY 12533
Industry:
Consumer Electronics
Work:
Emagin Corporation
Director of Marketing Emagin Corporation
Senior Vice President, Display Operations , Design and Development Emagin Corporation
Senior Vice President Operations
Skills:
Semiconductors, Electronics, Product Development, R&D, Ic, Program Management, Engineering Management, Semiconductor Industry, Start Ups, Mixed Signal, Optics, Product Management, Consumer Electronics, Sensors, Spc, Manufacturing, Testing, Product Design, Product Marketing, Process Simulation, Strategy, Process Improvement, Design of Experiments, Lean Manufacturing, Continuous Improvement, Six Sigma, Engineering, Cross Functional Team Leadership, Process Engineering, Commercialization, Thin Films, Photolithography, Supply Chain Management, Product Lifecycle Management, Photovoltaics, Failure Analysis, Iso, Manufacturing Operations Management, Product Engineering, Root Cause Analysis, Test Equipment, Design For Manufacturing, Mems, Embedded Systems, Nanotechnology, Go To Market Strategy, Metrology, Materials Science, Cmos, Pcb Design
Languages:
French
Certifications:
Project Management Professional

Publications & IP owners

Us Patents

Three Dimensional Display Emulation Method And System

US Patent:
6760034, Jul 6, 2004
Filed:
Oct 30, 2001
Appl. No.:
10/017769
Inventors:
Olivier F. Prache - Pleasantville NY
Assignee:
eMagin Corporation - Hopewell Junction NY
International Classification:
G09G 5399
US Classification:
345539, 345501, 348 42, 348 51
Abstract:
A stereoscopic display device includes a pair of OLED microdisplays in a Head Mounted Display. An emulation video signal is provided to the display device. The emulation video signal includes alternating frames of left and right video data. An enable signal is provided to the left and right displays to control when image data in the display is updated so as to update data with corresponding frame data of the emulation signal. The updating of data in the combined display is at the standard rate while the updating of data in each display is at half the standard rate.

Gray Scale Pixel Driver For Electronic Display And Method Of Operation Therefor

US Patent:
6809710, Oct 26, 2004
Filed:
Jan 22, 2001
Appl. No.:
09/765582
Inventors:
Olivier F. Prache - Pleasantville NY
Shashi D. Malaviya - Hopewell Junction NY
Assignee:
eMagin Corporation - Hopewell Junction NY
International Classification:
G09G 332
US Classification:
345 82, 345 46, 3151691
Abstract:
A circuit is disclosed for driving an OLED in a graphics display. The circuit employs a current source operating in a switched mode. The output of the current source is connected to a terminal of the OLED. The current source is responsive to a combination of a selectively set cyclical voltage signal and a cyclical variable amplitude voltage signal. The current source, when switched on, is designed and optimized to supply the OLED with the amount of current necessary for the OLED to achieve maximum luminance. When switched off, the current source blocks the supply of current to the OLED, providing a uniform black level for an OLED display. The apparent luminance of the OLED is controlled by modulating the pulse width of the current supplied to the OLED, thus varying the length of time during which current is supplied to the OLED. By using a switched mode of operation at the current source, the circuit of the present invention is able to employ a larger range of voltages to control the luminance values in a current-driven OLED display.

Display Method And System

US Patent:
2001004, Nov 29, 2001
Filed:
Feb 20, 2001
Appl. No.:
09/785270
Inventors:
Olivier Prache - Pleasantville NY, US
International Classification:
G09G005/00
US Classification:
345/204000
Abstract:
The present invention is directed to a method of reducing power consumption by a video display. The method employs time-based subsampling of an input video image, at a rate slower than that of conventional computer monitors. A control circuit allows frame-based, line-based and pixel-based subsampling. The slower rate is achieved by utilizing analog, digital or both analog and digital storage elements to hold the input video information for a time sufficient to prevent flicker and other degradation of the image.

Grayscale Static Pixel Cell For Oled Active Matrix Display

US Patent:
2002004, Apr 18, 2002
Filed:
Aug 20, 2001
Appl. No.:
09/933419
Inventors:
Olivier Prache - Pleasantville NY, US
International Classification:
G09G003/32
US Classification:
345/082000
Abstract:
The grayscale data for OLED pixels in an active matrix display is stored as digital data in static memory cells of the display. The digital data is provided to current drivers that produce a current level that is proportional to the digital data and deliver grayscale levels to the OLED. The display does not require refreshing and is written to only when the data for pixels has changed.

Oled Active Matrix Cell Designed For Optimal Uniformity

US Patent:
2007023, Oct 11, 2007
Filed:
Apr 6, 2006
Appl. No.:
11/399170
Inventors:
Ihor Wacyk - Briarcliff NY, US
Olivier Prache - Pleasantville NY, US
International Classification:
G09G 3/36
US Classification:
345092000
Abstract:
A drive circuit is provided for an OLED pixel display. The drive circuit is adapted for use with a reference voltage source. It includes a first transistor and an OLED. The output circuit of the first transistor is operably connected between the reference voltage source and the OLED. Transmission gate means responsive to a control signal are provided to transmit a data signal to the first transistor. Means are provided for controlling the first transistor in accordance with a time domain modulation signal to provide an average current to the OLED which is a function of the data signal.

Dual-Mode Amoled Pixel Driver, A System Using A Dual-Mode Amoled Pixel Driver, And A Method Of Operating A Dual-Mode Amoled Pixel Driver

US Patent:
2011007, Mar 31, 2011
Filed:
Aug 19, 2010
Appl. No.:
12/859571
Inventors:
IHOR WACYK - Briarcliff Manor NY, US
Olivier Prache - Hopewell Junction NY, US
Assignee:
EMAGIN CORPORATION - Hopewell Junction NY
International Classification:
G09G 5/00
G09G 3/30
US Classification:
345211, 345 76
Abstract:
The present innovation provides a system for driving an OLED pixel that includes an arrangement for driving the OLED pixel in a voltage mode and an arrangement for driving the OLED pixel in a current mode. The system includes an arrangement for switching between the voltage mode and the current mode. When a selected luminance for the OLED pixel is high, the voltage mode may be selected by the switching arrangement, and when the selected luminance for the OLED pixel is low, the current mode may be selected by the switching arrangement. A driver circuit for an OLED pixel is provided. A method of driving an OLED pixel is provided that includes driving the OLED pixel in a voltage mode when a selected luminance for the OLED pixel is high. A computer-readable medium is provided having stored thereon computer-executable instructions that cause a processor to perform a method when executed.

Method Of Driving An Organic Light Emitting Diode (Oled) Pixel, A System For Driving An Oled Pixel And A Computer-Readable Medium

US Patent:
2011008, Apr 7, 2011
Filed:
Oct 4, 2010
Appl. No.:
12/897413
Inventors:
Ihor Wacyk - Hopewell Junction NY, US
Olivier Prache - Hopewell Junction NY, US
Assignee:
EMAGIN CORPORATION - Hopewell Junction NY
International Classification:
G09G 3/32
G09G 5/10
US Classification:
345691, 345 77
Abstract:
A new drive scheme is provided for OLED displays that uses a pulsed drive mode. The pulsed drive mode results in a reduced duty cycle for pixel operation. The peak OLED current is increased correspondingly to maintain a constant average luminance over the frame period so that there is no brightness loss. The method, system and computer-readable medium according to the present innovation uses a blanking signal to set the OLED pixel to black by discharging a capacitive element prior to re-programming the OLED pixel during a next synchronization cycle. An organic light emitting diode (OLED) pixel system is provided. A computer-readable medium having stored thereon computer-executable instructions is provided.

Amoled Microdisplay Device With Active Temperature Control

US Patent:
2012024, Oct 4, 2012
Filed:
Mar 30, 2012
Appl. No.:
13/434893
Inventors:
Ihor Wacyk - Hopewell Junction NY, US
Olivier Prache - Hopewell Junction NY, US
Assignee:
eMagin Corporation - Hopewell Junction NY
International Classification:
G09G 3/32
G09G 5/00
US Classification:
345212, 345 76
Abstract:
An active-matrix organic light-emitting diode microdisplay device having a temperature control system including a temperature sensor and a control means for regulating the temperature of the OLED. The temperature is regulated by a bias transistor within the circuit, operating as a function of the temperature of the panel, such that low panel temperatures cause an increase in voltage of the bias transistor which draws a higher current through the top voltage drive transistor for self-heating the area surrounding the OLED.

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