1、 IEC 61747-4 Edition 2.0 2012-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Liquid crystal display devices Part 4: Liquid crystal display modules and cells Essential ratings and characteristics Dispositifs daffichage cristaux liquides Partie 4: Modules et cellules daffichage cristaux liquides Valeu
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16、h. IEC 61747-4 Edition 2.0 2012-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Liquid crystal display devices Part 4: Liquid crystal display modules and cells Essential ratings and characteristics Dispositifs daffichage cristaux liquides Partie 4: Modules et cellules daffichage cristaux liquides Val
17、eurs limites et caractristiques essentielles INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE K ICS 31.120 PRICE CODE CODE PRIX ISBN 978-2-83220-352-1 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechni
18、que Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 61747-4 IEC:2012 CONTENTS FOREWORD . 3 1 Scope . 5 2 Normative references . 5 3 Liquid crystal d
19、isplay modules 5 3.1 Principles and material used 5 3.2 Modes of operation 5 3.3 Details of outline . 5 3.4 Limiting values (absolute maximum rating system) over the operating temperature range, unless otherwise stated 6 3.5 Electrical and optical characteristics 6 3.6 Supplementary information 7 4
20、Liquid crystal display cells (LCD cells) 8 4.1 Principle and material used . 8 4.2 Modes of operation 8 4.3 Details of outline . 8 4.4 Limiting values (absolute maximum rating system) over the operating temperature range, unless otherwise stated 8 4.5 Electrical and optical characteristics 9 4.6 Sup
21、plementary information 9 Table 1 Electrical and optical characteristics of LCD modules 6 Table 2 Electrical and optical characteristics of LCD cells 9 61747-4 IEC:2012 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ LIQUID CRYSTAL DISPLAY DEVICES Part 4: Liquid crystal display modules and cells Essent
22、ial ratings and characteristics FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions c
23、oncerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”).
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29、 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 certification bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IE
30、C or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and ex
31、penses 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 references cited in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) At
32、tention 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 identifying any or all such patent rights. International Standard IEC 61747-4 has been prepared by IEC technical committee 110: Electronic
33、display devices. This second edition cancels and replaces the first edition published in 1998. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: 2.1 and 3.1 of IEC 61747-4:1998 were deleted because t
34、hese items are defined in IEC 61747-1; 2.7.6, in 2.7, Supplementary information, of IEC 61747-4:1998 was deleted because the scope of this standard is about passive matrix monochrome liquid crystal display modules; The item “Gray scale: digital or analog” in 2.3.1 of IEC 61747-4:1998 was changed to
35、“Gray scale: number” because it is more accurate; 4 61747-4 IEC:2012 Contrast mode: light symbol on dark background (“LOD” or “positive image”) or dark symbol on light background (“DOL” or “negative image”) was introduced in this part of IEC 61747 to replace the description in 2.3.1 and 3.3.1 of IEC
36、 61747-4:1998. The text of this standard is based on the following documents: CDV Report on voting 110/349/CDV 110/393/RVC Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordan
37、ce with the ISO/IEC Directives, Part 2. This International Standard is to be used in conjunction with IEC 61747-1:1998 and its Amendment 1 (2003). A list of all the parts in the IEC 61747 series, published under the general title Liquid crystal display devices, can be found on the IEC website. Futur
38、e standards in this series will carry the new general title as cited above. Titles of existing standards in this series will be updated at the time of the next edition. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC
39、 web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 61747-4 IEC:2012 5 LIQUID CRYSTAL DISPLAY DEVICES Part 4: Liquid crystal display modules and cells Essenti
40、al ratings and characteristics 1 Scope This part of IEC 61747 describes the essential ratings and characteristics of LCD cells and passive matrix monochrome liquid crystal display modules. It does not apply to active matrix LCD cells nor to multicolour cells. 2 Normative references The following doc
41、uments, 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 referenced document (including any amendments) applies. IEC 61747-1:1998, Liquid
42、 crystal and solid-state display devices Part 1: Generic specification 3 Liquid crystal display modules 3.1 Principles and material used Example: a TN display cell with electronic circuits and connector pins. Where appropriate, a type of light source. 3.2 Modes of operation 3.2.1 Optical mode of ope
43、ration illumination mode: for example reflective, transmissive, transflective gray scale: number contrast mode: light symbol on dark background (“LOD” or “positive image”) or dark symbol on light background (“DOL” or “negative image”) 3.2.2 Electrical mode of operation example: static mode or multip
44、lex mode, etc. 3.3 Details of outline 3.3.1 Material, mechanical description examples: glass, plastic, metal, etc. construction: for example integrated backlight, bezel structure 3.3.2 Method of connection connector, flex cable or connection pins, etc. 6 61747-4 IEC:2012 3.3.3 Outline drawing and di
45、mensions overall dimensions viewing area and display centre 3.3.4 Pinout table and/or connection diagram type of connectors 3.3.5 Preferred or designed viewing direction 3.4 Limiting values (absolute maximum rating system) over the operating temperature range, unless otherwise stated 3.4.1 Minimum a
46、nd maximum operating temperature (Top) 3.4.2 Minimum and maximum storage temperature (Tstg) 3.4.3 Minimum and maximum value of supply voltages for logic and LCD drive (VDD-VSS，VDD-VEE，VEE-VSS，VO-VSS，VDD-VO) 3.4.4 Minimum and maximum value of input signal voltage (VIN) 3.4.5 Where appropriate, maximu
47、m value of backlight voltage (VBL) 3.4.6 Where appropriate, maximum soldering temperature (Tsld) maximum soldering time and minimum distance to module package should be specified 3.5 Electrical and optical characteristics The following parameters should be specified in Table 1. Table 1 Electrical an
48、d optical characteristics of LCD modules Reference Characteristics Condition at Top= 25 C unless otherwise specified Symbol Requirements 3.5.1 Supply voltage for logic drive Supply voltage for LCD drive VDD-VSSMin. Max. VDD-VEEVEE-VSSVO-VSSVDD-VO3.5.2 Input signal voltages High level input signal vo
49、ltage Low level input signal voltage VINVIHVILMin. Max. 3.5.3 Backlight voltages (where appropriate) VBLMin. Max. 3.5.4 Operating frequency (where appropriate) Frame frequency Oscillator frequency fopfFRMfOSCMin. Max. 3.5.5 Supply currents (without backlight) Conditions chosen to achieve maximum supply current, e.g. operating supply voltage, display pattern, etc., as appropriate ItotIDDand/or IE
