Browse > Article
http://dx.doi.org/10.5909/JBE.2016.21.5.816

A Synthesis Ratio of Light Emitting Diodes and Quantization Noise for Increasing Brightness of Head-up Displays  

Chi, Yongseok (Division of Mechatronics Engineering, Dongseo University)
Publication Information
Journal of Broadcast Engineering / v.21, no.5, 2016 , pp. 816-823 More about this Journal
Abstract
This paper studies a light emitting diode(LED) overlapping method of a head-up display that consists of a digital micro device(DMD) panel and a red, green, blue LED in order to increase the brightness of display system and optical output power. This optimization overlapping method removes a quantization noise which occur due to LED overlapping too excessive and stabilizes the junction temperature of LED. In order to reduce junction temperature of LED, the a correlation between a green duty and LED overlapping ratio is studied. Throughout this study, the brightness of head-up display exhibited high increasement ratio of luminance around 33.3 percent at 39 percent overlapping method.
Keywords
Head-up Display; LED; Junction temperature; Quantization noise;
Citations & Related Records
연도 인용수 순위
  • Reference
1 Pinneo LR, Heath RG, "Human visual system activity and perception of intermittent light stimuli", Neurological Sciences 5, pp 303-314, 1967.   DOI
2 U.S. Department of Transportation National Highway Traffic Safety Administration, "Human Factors Aspects of Using Head Up Displays in Automobiles: A Review of the Literature", pp 8, August 1995.
3 Displaybank's LED Division, "Analysis of LED and LED applied product's radiation technology", pp 17, May 2010.
4 Luminus Devices, "Reliability of LED", PhlatLight LED Report, pp. 6-12, 2008.
5 A. Stockman, "Color from invisible flicker: a failure of the Talbot-Plateau law caused by an early 'hard' saturating non-linearity used to partition the human short-wave cone pathway" Vision research 38, Pergamon, pp. 3-21, 1998.
6 David C. Hutchison, "Introducing Brilliant Color Technology", Texas Instruments Report, pp. 2-5, 2005.
7 Texas Instruments Report, "Moving to higher brightness & LED Projection based 0.55inch DMD & ddp2230", pp. 13-16, 2008.
8 Hunter Lab, "CIE 1976 L*a*b* color scale", pp. 1-4, 2007.
9 Symon D''O. Cotton, "Colour, colour spaces and the human visual system", School of Computer Science, University of Birmingham, Technical Report, May 1996.