1、BSI Standards PublicationElectronic paper displaysPart 1-1: Terminology BS IEC 62679-1-1:2014National forewordThis British Standard is the UK implementation of IEC 62679-1-1:2014.The UK participation in its preparation was entrusted to TechnicalCommittee EPL/47, Semiconductors.A list of organization
2、s represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2014.Published by BSI Standards Limited 2014ISBN 97
3、8 0 580 75045 8ICS 31.120; 31.260Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 July 2014.Amendments/corrigenda issued since publicationDate Text affectedBRITI
4、SH STANDARDBS IEC 62679-1-1:2014IEC 62679-1-1 Edition 1.0 2014-05 INTERNATIONAL STANDARD NORME INTERNATIONALE Electronic paper displays Part 1-1: Terminology Afficheurs de papier lectronique Partie 1-1: Terminologie INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE
5、 L ICS 31.120; 31.260 PRICE CODE CODE PRIX ISBN 978-2-8322-1570-8 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuil
6、lez vous assurer que vous avez obtenu cette publication via un distributeur agr. BS IEC 62679-1-1:2014 2 IEC 62679-1-1:2014 IEC 2014 CONTENTS FOREWORD 3 1 Scope . 5 2 Normative references . . 5 3 Terms and definitions 5 3.1 Physical concepts . 5 3.2 General terms . 6 3.3 Terms related to ratings and
7、 characteristics . 7 4 Abbreviations 8 5 Technical aspects . 8 5.1 Order of precedence . . 8 5.2 Symbols and units. 9 Bibliography . 11 Figure 1 Block diagram for explanation of supply voltages . . 10 Figure 2 Timing chart for explanation of response times . 10 Table 1 Letter symbols and unit of ene
8、rgy for rewriting . . 9 BS IEC 62679-1-1:2014IEC 62679-1-1:2014 IEC 2014 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ELECTRONIC PAPER DISPLAYS Part 1-1: Terminology FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all nation
9、al electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical
10、Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. Int
11、ernational, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The f
12、ormal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations
13、 for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user
14、. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication s
15、hall be clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent cer
16、tification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal i
17、njury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative reference
18、s cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for iden
19、tifying any or all such patent rights. International Standard IEC 62679-1-1 has been prepared by IEC technical committee 110: Electronic display devices. The text of this standard is based on the following documents: FDIS Report on voting 110/554/FDIS 110/573/RVD Full information on the voting for t
20、he approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts in the IEC 62679 series, published under the general title Electronic paper displays can be found o
21、n the IEC website. BS IEC 62679-1-1:2014 4 IEC 62679-1-1:2014 IEC 2014 The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this d
22、ate, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. BS IEC 62679-1-1:2014IEC 62679-1-1:2014 IEC 2014 5 ELECTRONIC PAPER DISPLAYS Part 1-1: Terminology 1 Scope This part of IEC 62679 gives the preferred terms, their definitions, as well as the symbols for e
23、lectronic paper displays (EPDs). 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referen
24、ced document (including any amendments) applies. IEC 60050 (all parts), International Electrotechnical Vocabulary (available at www.electropedia.org) IEC 60027 (all parts); Letter symbols to be used in electrical technology lEC 60617, Graphical symbols for diagrams IEC 60747-1, Semiconductor devices
25、 Part 1: General ISO 80000-1, Quantities and units Part 1: General 3 Terms and definitions For the purposes of this document, the terms and definitions given in IEC 60050, as well as the following apply. 3.1 Physical concepts 3.1.1 electronic paper display EPD electronic display that shows informati
26、on by diffuse reflection and holds the image with low power consumption 3.1.2 electrophoretic display electronic paper display which forms an image by rearranging charged pigment particles using an applied electric field 3.1.3 cholesteric liquid crystal display liquid crystal phase that exhibits pla
27、nar nematic ordering in which the directors form a helix that has its axis perpendicular to the plane SOURCE: IEC 61747-1:1998, 3.1.3 BS IEC 62679-1-1:2014 6 IEC 62679-1-1:2014 IEC 2014 3.1.4 powder migration display electrophoretic display that shows information by the motion of static charged pigm
28、ent particles in a gas using an applied electric field 3.1.5 bi-stable nematic LCD electronic display making use of light polarization modulation by bi-stable nematic liquid crystal under the influence of an electric field 3.1.6 electrochromic display electronic reflective type display that shows in
29、formation by reversibly changing the colour of suitable materials by chemical oxidation or reduction of the materials at the electrode level 3.1.7 electrodeposition display electronic reflective type display that shows information by migration of ionized molecules by the exchange of carrier on the e
30、lectrode 3.1.8 twisting ball display electronic paper display that modulates the reflected light by rotating dielectric or magnetic balls with coloured hemispheres under the influence of an electric field 3.1.9 electro wetting display electronic display that modulates the reflected light by electric
31、al hydorophobic effect of oil in water under the influence of an electric field 3.1.10 electrofluidic display electronic display that modulates the reflected light by moving small volumes of aqueous pigment dispersion in and out of microfluidic cavities under the influence of a spatially modulated v
32、oltage 3.1.11 interferometric modulator display electronic display that modulates the reflected light by microscopic interferometric cavities, each acting as a wavelength-selective mirror that can be switched on or off individually 3.2 General terms 3.2.1 ambient contrast ratio contrast ratio of a d
33、isplay with both hemispherical diffuse and directional illumination incident onto its surface used to simulate real lighting environments 3.2.2 daylight display colour colour of a display with both hemispherical diffuse and directional illumination incident onto its surface at a defined geometry, sp
34、ectra, and illumination levels that simulate a realistic daylight lighting environment 3.2.3 colour gamut volume single number corresponding to the largest possible range of display colours (including all possible mixtures of the primaries, white W and black K), described as a volume in a three-dime
35、nsional colour space such as CIELAB BS IEC 62679-1-1:2014IEC 62679-1-1:2014 IEC 2014 7 3.2.4 daylight colour gamut volume colour gamut volume of a display with both hemispherical diffuse and directional illumination incident onto its surface at a defined geometry, spectra, and illumination level tha
36、t simulate the environment 3.2.5 image retention property of a picture element in which the visual information is retained after the power has been removed 3.2.6 electronic paper display module device that consists of an electronic paper display panel and a driver (optionally a controller) 3.2.7 ele
37、ctronic paper display panel electronic paper display device without a driver 3.2.8 electronic paper display controller controller that supplies control signals to an electronic paper display module 3.3 Terms related to ratings and characteristics 3.3.1 electro-optical characteristics characteristics
38、 derived from the variation of an optical property (reflected optical signal) as a function of an electrical driving signal (voltage or current vs. time, commonly referred to as waveform) 3.3.2 fall time time interval needed to change the reflected optical signal of the device from 90 % to 10 % of t
39、he total variation range after switching the module or panel driving signal from the state corresponding to the maximum reflected signal level (100 %) to the minimum reflected signal level (0 %) SEE: Figure 2. Note 1 to entry: 0 % is the minimum reference of the reflected optical signal and 100 % is
40、 the maximum reference of the reflected optical signal. 3.3.3 electronic paper display driving voltage voltage that drives an electronic paper display panel SEE: Figure 1. 3.3.4 module response time time from the start of the module driving signal until the panel reaches 90% or 10% of the reflected
41、optical signal SEE: Figure 2. Note 1 to entry: 0 % is the minimum reference of the reflected optical signal and 100 % is the maximum reference of the reflected optical signal. BS IEC 62679-1-1:2014 8 IEC 62679-1-1:2014 IEC 2014 3.3.5 module response time (falling) time interval needed to change the
42、reflected optical signal of the device from 100 % to 10 % of the total variation range after switching the module driving signal from the state corresponding to the maximum reflected signal level (100 %) to the minimum reflected signal level (0 %) Note 1 to entry: 0 % is the minimum reference of ref
43、lected optical signal and 100 % is the maximum reference of reflected optical signal. The module fall time is both the sum of the delay and fall times (see Figure 2). 3.3.6 module response time (rising) time interval needed to change the reflected optical signal of the device from 0 % to 90 % of the
44、 total variation range after switching the module driving signal from the state corresponding to the minimum reflected signal level (0 %) to the maximum reflected signal level (100 %) Note 1 to entry: 0 % is the minimum reference of reflected optical signal and 100 % is the maximum reference of refl
45、ected optical signal (see Figure 2). 3.3.7 rewriting electrical energy energy required to rewrite an image on the electronic paper displays 3.3.8 image retention duration period during which an electronic paper display keeps the image after the power is removed 4 Abbreviations CCT Correlated colour
46、temperature CIE International Commission on Illumination CIELAB CIE 1976 (L*a*b*) colour space DUT Device under test EPD Electronic paper display ILU Integrated lighting unit (e.g. an edge-lit front guide plate) ISO International Organization for Standardization LED Light emitting diode LMD Light me
47、asuring device RGB Red, green, blue sRGB Standard RGB colour space as defined in IEC 61966-2-1 5 Technical aspects 5.1 Order of precedence Where there are conflicting requirements, documents shall rank in the following order of authority: a) the detail specification; b) the blank detail specificatio
48、n; c) the family specification, if any; d) the sectional specification; e) the generic specification; f) the basic specification; BS IEC 62679-1-1:2014IEC 62679-1-1:2014 IEC 2014 9 g) any other international (e.g. IEC) documents to which reference is made; h) a national document. The same order of p
49、recedence shall apply to equivalent national documents. 5.2 Symbols and units Units, graphical and letter symbols shall be taken from the following standards: IEC 60027 (all parts); Letter symbols to be used in electrical technology lEC 60617; Graphical symbols for diagrams IEC 60747-1; Semiconductor devices Part 1: General ISO 80000-1, Quantities and units Part 1: General Any other units, symbols or terminology peculiar to one of the devices covered by this standard shall be taken from
