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Multi-primary display with spectrally adapted back-illumination

A spectrum and primary color technology, applied in the field of color display equipment, can solve the problem that the color combination cannot be reproduced, and achieve the effect of increasing the brightness level

Active Publication Date: 2006-06-28
SAMSUNG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As shown in Figure 4B, the NTSC color gamut is considerably wider than that of a typical laptop display, so many color combinations included in NTSC cannot be reproduced by a typical color laptop display

Method used

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  • Multi-primary display with spectrally adapted back-illumination
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  • Multi-primary display with spectrally adapted back-illumination

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Embodiment Construction

[0031] In the following description, various aspects of the invention are described with reference to specific embodiments to provide a thorough understanding of the invention; however, it will be apparent to those skilled in the art that the invention is not limited to the specific embodiments described and described herein. example. Additionally, where certain details of the devices, systems and methods described herein relate to known aspects of color display devices, systems and methods, such details may have been omitted or simplified for the sake of clarity.

[0032] An embodiment of a monitor and display device having more than three primary colors according to an exemplary embodiment of the present invention was filed on June 11, 2002 and published on December 19, 2002 as PCT Publication WO02 / 101644 entitled "Device , System and Method For ColorDisplay (equipment, system and method for color display)" international application PCT / IL02 / 00452 and filed on April 13, 2003...

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PUM

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Abstract

Some embodiments of the invention provide a device, system and method for displaying a color image. According to some exemplary embodiments of the invention a device for displaying a color image may include an illumination source including a plurality of light-producing elements able to produce light of each of m different wavelength spectra, wherein m is equal to or greater than three. The device may also include an array of attenuating elements able to spatially selectively attenuate the light produced by the illumination source according to an attenuation pattern corresponding to a gray-level representation of the color image, and an array of color sub-pixel filter elements able to receive selectively attenuated light from the array of attenuating elements, each sub-pixel filter element able to transmit light of one of n different primary colors, wherein n is equal to or greater than four.

Description

technical field [0001] The present invention relates generally to color display devices, systems and methods, and more particularly to display devices, systems and methods with improved color image reproduction capabilities. Background technique [0002] Standard computer monitors and TV displays are generally based on three additive primary colors ("primaries"), such as red, green and blue collectively referred to as RGB. Unfortunately, these monitors cannot display many of the colors that humans perceive because they are limited in the range of colors they can display. Fig. 1 schematically shows a chromaticity diagram known in the art. The closed area of ​​the horseshoe represents the chromatic range of colors that humans can see. However, chromaticity alone does not fully represent all visible color variations. For example, each chromaticity value on the two-dimensional chromaticity plane of FIG. 1 can be reproduced at various different luminance levels. A complete re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36G02FG02F1/1335G09G3/34
CPCG09G2300/0452G09G2320/0242G02F1/133514G09G3/3607G09G3/3413G09G2340/06H04N9/3155G02F2201/52
Inventor 施缪尔·罗斯
Owner SAMSUNG DISPLAY CO LTD