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In display technology, pixels are composed of three primary colors: red, green, and blue (RGB). Using the primary colors provides the ability to generate variety of hues including achromatic point (AP) (white light). This concept is applied in Light emitting diode (LED) displays where each pixel consists of RGB LEDs. Although using compact RGB light in LED isplays provides a wide color gamut, many issues arise due to dissimilarities in optical and
physical characteristics of LEDs such as: uniform spatial light mixing and distribution of AP, and AP maintenance and thermal management. Power consumption is also a major concern in LED displays. In this paper, the issues with current RGB pixel architecture such as non-uniform mixing and distribution of AP, energy efficiency and a solution to these issues by introducing a new pixel configuration consisting of red, green, blue and white (RGBW) are discussed. Experimental results as well as theoretical analysis of the new configuration are presented and discussed.
这是摘要
In display technology, pixels are composed of three primary colors: red, green, and blue (RGB). Using the primary colors provides the ability to generate variety of hues including achromatic point (AP) (white light). This concept is applied in Light emitting diode (LED) displays where each pixel consists of RGB LEDs. Although using compact RGB light in LED isplays provides a wide color gamut, many issues arise due to dissimilarities in optical and
physical characteristics of LEDs such as: uniform spatial light mixing and distribution of AP, and AP maintenance and thermal management. Power consumption is also a major concern in LED displays. In this paper, the issues with current RGB pixel architecture such as non-uniform mixing and distribution of AP, energy efficiency and a solution to these issues by introducing a new pixel configuration consisting of red, green, blue and white (RGBW) are discussed. Experimental results as well as theoretical analysis of the new configuration are presented and discussed.
这是摘要