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Author: yoshihiro ohno

Displaying records 151 to 160 of 168 records.
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151. Four-Color Matrix Method for Correction of Tristimulus Colorimeters Part 2
Published: Date unknown
Authors: Yoshihiro Ohno, Steven W Brown
Abstract: The Four-Color Method was developed to improve the accuracy of tristimulus colorimeters for measurements of color displays. It was verified that the method works well for CRTs. The accuracy of this method has been studied further for spectral variat ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841315

152. LED Photometric Calibrations at the National Institute of Standards and Technology and Future Measurement Needs of LEDs
Published: Date unknown
Authors: Carl C Miller, Yuqin Zong, Yoshihiro Ohno
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841841

153. LED-Based Spectrally Tunable Source for Radiometric, Photometric and Colorimetric Applications
Published: Date unknown
Authors: Irena Fryc, Steven W Brown, George P Eppeldauer, Yoshihiro Ohno
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841847

154. Measurement of Solid-State-Lighting Products
Published: Date unknown
Authors: Yoshihiro Ohno, Carl C Miller
Abstract: This paper discusses issues of photometric measurements of solid-state-lighting (SSL) products, for quantities including luminous flux, luminous efficacy, luminous intensity distribution, and color characteristics. Standards for SSL products are urge ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841077

155. Measurement of Total Radiant Flux of UV LEDS
Published: Date unknown
Authors: Yuqin Zong, Carl C Miller, Keith R Lykke, Yoshihiro Ohno
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841828

156. Measuring Color Quality of Light Sources
Published: Date unknown
Authors: Wendy L Davis, Yoshihiro Ohno
Abstract: The successful commercialization of solid-state lighting for general illumination will require an effective method to characterize the color quality of these sources. The distinctive spectral characteristics of solid-state lighting sources present bo ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841041

157. NIST Calibration Facility for Display Colorimeters
Published: Date unknown
Authors: Steven W Brown, Yoshihiro Ohno
Abstract: A calibration facility has been developed at the National Institute of Standards and Technology (NIST) to address the need for high accuracy color measurementsof displays. Calibration services tailored to display measuremets are planned for colimeter ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841337

158. NIST Facility for Color Rendering Simulation
Published: Date unknown
Authors: Wendy L Davis, J L Gardner, Yoshihiro Ohno
Abstract: The color rendering index (CRI) does not adequately assess the color rendering properties of solid-state light sources. An improved metric will be critical to the development of such new light sources for general lighting applications. A facility ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=840953

159. NIST Facility for Total Spectral Radiant Flux Calibration
Published: Date unknown
Authors: Yoshihiro Ohno, Yuqin Zong
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841837

160. NIST Measurement Services: Total Spectral Radiant Flux Calibrations
Series: Special Publication (NIST SP)
Report Number: sp
Published: Date unknown
Authors: Yuqin Zong, Carl C Miller, Yoshihiro Ohno
Abstract: The National Institute of Standards and Technology supplies calibrated standards and special tests of incandescent type of lamps for total spectral radiant flux (TSRF) from 360 nm to 830 nm. The total spectral radiant flux scale is based on both the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841078