Gufata amabara n'uburyo SDMC ari byo bisobanura iki?

Kwihanganira amabara: Ni igitekerezo gifitanye isano rya hafi n'ubushyuhe bw'amabara. Iki gitekerezo cyatanzwe bwa mbere na Kodak mu nganda, Abongereza ni Standard Deviation of Color Matching, byitwa SDCM. Ni itandukaniro riri hagati y'agaciro kabazwe na mudasobwa n'agaciro gasanzwe k'urumuri rw'icyerekezo. Ni ukuvuga ko, kwihanganira amabara bifite aho bihuriye n'urumuri rw'icyerekezo.

Ibikoresho bya photochromic bisesengura ubushyuhe bw'amabara y'urumuri rwapimwe, hanyuma bigapima ubushyuhe bw'amabara ya spectral. Iyo ubushyuhe bw'amabara ari bumwe, bigena agaciro ka coordinate y'amabara yabyo n'itandukaniro riri hagati yabyo n'urumuri rusanzwe. Uko ubushobozi bw'amabara burushaho kuba bunini, niko itandukaniro ry'amabara riba rinini. Igice cy'ubu buryo bwo kwihanganira amabara ni SDCM,. Uburyo bwo kwihanganira amabara bwa chromatic bugena itandukaniro ry'amabara y'urumuri rw'amatara menshi. Ubusanzwe uburyo bwo kwihanganira amabara bugaragazwa ku gishushanyo nk'uruziga aho kuba uruziga. Ibikoresho rusange by'umwuga bifite imiterere ihuza kugira ngo bipime amakuru yihariye, kandi zimwe mu nganda zipakiye za LED n'inganda z'amatara zifite ibikoresho by'umwuga bifitanye isano.

Dufite imashini yacu bwite yo gupima mu kigo cy’ubucuruzi no mu ruganda, buri cyitegererezo n’igice cya mbere cy’umusaruro (harimo COB LED STRIP, NEON FLEX, SMD LED STRIP na RGB LED STRIP) bizageragezwa, kandi umusaruro mwinshi uzakorwa gusa nyuma yo gutsinda ikizamini. Nanone dushyiramo amasaro y’amatara ubwacu, ashobora kugenzurwa neza n’aho urumuri rwa LED ruherereye.

Bitewe n’imiterere ihindagurika y’ibara rikorwa na LED z’urumuri rwera, igipimo cyoroshye cyo kugaragaza ingano y’itandukaniro ry’amabara mu itsinda ry’ama LED ni umubare w’intambwe za SDCM (MacAdam) LED zigwamo. Niba LED zose ziri muri SDCM 1 (cyangwa "ellipse ya MacAdam y’intambwe 1"), abantu benshi ntibabona itandukaniro iryo ari ryo ryose mu ibara. Niba ihinduka ry’amabara rikabije ku buryo ihinduka rya chromaticity rigera ku gace kanini kabiri (2 SDCM cyangwa ellipse ya MacAdam y’intambwe 2), uzatangira kubona itandukaniro ry’amabara. Ellipse ya MacAdam y’intambwe 2 iruta agace ka 3, n’ibindi.

Ariko, hari ibintu byinshi bigira ingaruka ku kwihanganira amabara, nk'impamvu za chip ya LED, impamvu y'ifu ya fosforasi, impamvu y'impinduka z'umuvuduko w'amashanyarazi, n'imiterere y'itara nabyo bigira ingaruka ku bushyuhe bw'amabara. Impamvu yo kugabanuka k'urumuri no gusaza kw'urumuri, ubushyuhe bw'amabara bwa LED nabyo bizabaho mu gihe cyo gucana, bityo amatara amwe ubu asuzuma ubushyuhe bw'amabara kandi agapima ubushyuhe bw'amabara mu gihe nyacyo. Ibipimo by'ubushobozi bwo kwihanganira amabara birimo ibipimo by'Amerika ya Ruguru, ibipimo bya IEC, ibipimo by'i Burayi n'ibindi. Ibisabwa muri rusange kugira ngo dushobore kwihanganira amabara ya LED ni 5SDCM. Muri uru rugero, amaso yacu atandukanya cyane cyane ihinduka rya chromatic.