Hivatkozási szám

MSZ EN 61747-6-2:2012

Dokumentumazonosító

153220

Cím

Folyadékkristályos kijelzők. 6-2. rész: Mérési módszerek folyadékkristályos kijelzőmodulokhoz. Fényvisszaverő típus (IEC 61747-6-2:2011)

Angol cím

Liquid crystal display devices. Part 6-2: Measuring methods for liquid crystal display modules. Reflective type (IEC 61747-6-2:2011)

Alkalmazási terület

This part of IEC 61747 gives details of the quality assessment procedures, the inspection requirements, screening sequences, sampling requirements, and test and measurement procedures required for the assessment of liquid crystal display modules. This standard is restricted to reflective liquid crystal display-modules using either segment, passive or active matrix and a-chromatic or colour type LCDs (see Note). Furthermore, the reflective modes of transflective LCD modules with backlights OFF and reflective LCD modules of front light type without its front-light-unit, are comprised in this standard. A reflective LCD module with combination of a touch-key-panel or a front-light-unit is out of the scope of this standard, because its measurements are frequently inaccurate. Its touch-keypanel or front-light-unit should be removed before it can be included in this scope. NOTE Several points of view with respect to the preferred terminology on "monochrome", "achromatic", "chromatic", "colour", "full-colour", etc. can be encountered in the field amongst spectroscopists, (general-) physicists, colour-perception scientists, physical engineers and electrical engineers. In general, all LCDs demonstrate some sort of chromaticity (e.g. as function of viewing angle, ambient temperature or externally addressable means). Pending detailed official description of the subject, the pre-fix pertaining to the "chromaticity" of the display will be used so as to describe the colour capability of the display that is externally (and electrically) addressable by the user. This leads us to the following definitions (see also [19]) a) a monochrome display has NO user-addressable chromaticity ("colours"). It may or may not be "black and white" or a-chromatic; b) a colour display has at least two user-addressable chromaticities ("colours"). A 64-colour display has 64 addressable colours (often made using 2 bits per primary for 3 primaries), etc. A full-colour display has at least 6 bits per primary (? 260 thousand colours). The purpose of this standard is to indicate and list the procedure-dependent parameters and to prescribe the specific methods and conditions that are to be used for their uniform numerical determination.

ICS

31.120 Elektronikus kijelzőkészülékek

Műszaki Bizottság

A szabvány nyelve

angol

Az érvényesség kezdete

2012-03-01

Forrás

idt EN 61747-6-2:2011; idt IEC 61747-6-2:2011

Előd

Utód

Módosítás

Kiegészítő információk

SZK-közlemények

Kapcsolódó európai jogszabály

A szabvány

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