IEC 62899-502-2:2019

Printed electronics - Part 502-2: Quality assessment - Organic light emitting diode (OLED) elements - Combined mechanical and environmental stress test methods for flexible OLED elements

IEC 62899-502-2:2019(E) specifies the combined mechanical and environmental stress test methods for flexible OLED (organic light emitting diode) elements fabricated using the printing method. Mechanical stress tests include the static and cycling vending test, and the dynamic and static rolling test.

General Information

• Status: Published
• Publication Date: 23-Jul-2019
• ICS: 01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
• ICS: 29.035.01 - Insulating materials in general
• ICS: 31.260 - Optoelectronics. Laser equipment
• Technical Committee: TC 119 - Printed Electronics
• Drafting Committee: WG 5 - TC 119/WG 5
• Current Stage: PPUB - Publication issued
• Start Date: 23-Aug-2019
• Completion Date: 24-Jul-2019

Standards Content (Sample)

IEC 62899-502-2 ®
Edition 1.0 2019-07
INTERNATIONAL
STANDARD
colour
inside
Printed electronics –
Part 502-2: Quality assessment – Organic light emitting diode (OLED) elements –
Combined mechanical and environmental stress test methods for flexible OLED
elements
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IEC 62899-502-2 ®
Edition 1.0 2019-07
INTERNATIONAL
STANDARD
colour
inside
Printed electronics –
Part 502-2: Quality assessment – Organic light emitting diode (OLED) elements –

Combined mechanical and environmental stress test methods for flexible OLED

elements
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.035.01; 31.260 ISBN 978-2-8322-7220-6

– 2 – IEC 62899-502-2:2019  IEC 2019
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 General . 8
4.1 Overview. 8
4.2 Structure of measuring equipment . 8
4.3 Standard conditions . 8
4.4 Standard atmospheric conditions for referee measurements and tests . 8
4.5 Standard atmospheric conditions for measurements and tests . 9
4.6 Recovery conditions . 9
4.7 Operating conditions . 9
4.8 Flexible OLED element test configuration. 9
5 Measurements and analysis . 9
5.1 General . 9
5.2 Sample preparation of OLED element(s) for optical and electrical
measurements . 10
5.3 Visual inspection . 10
5.4 IVL characteristics . 10
5.5 Luminous flux . 10
5.6 Mechanical status . 10
6 Combined mechanical and environmental stress test . 10
6.1 Mechanical stress test (deformation) . 10
6.2 Cyclic bending test . 11
6.2.1 General . 11
6.2.2 Purpose . 11
6.2.3 Test apparatus . 11
6.2.4 Testing conditions . 11
6.2.5 Test procedure . 11
6.3 Static bending test . 12
6.3.1 General . 12
6.3.2 Purpose . 12
6.3.3 Test apparatus . 12
6.3.4 Testing conditions . 13
6.3.5 Test procedure . 13
6.4 Dynamic and static rolling test . 14
6.4.1 General . 14
6.4.2 Purpose . 14
6.4.3 Test apparatus . 14
6.4.4 Testing conditions . 15
6.4.5 Test procedure . 16
6.5 Environmental testing methods . 16
6.5.1 General . 16
6.5.2 Environmental test at certain temperatures . 16
7 Reports and results . 18

Annex A (normative) IVL measurement methods . 19
A.1 General . 19
A.2 Measurement method . 19
A.2.1 General . 19
A.2.2 Measurement apparatus . 19
A.2.3 Measurement procedure . 19
A.2.4 Acceptance . 19
A.2.5 Items for the relevant specification . 19
Annex B (normative) Luminous flux measurement methods . 21
B.1 General . 21
B.2 Measurement method . 21
B.2.1 General . 21
B.2.2 Measurement apparatus . 21
B.2.3 Measurement procedure . 22
B.2.4 Acceptance . 23
B.2.5 Terms for additional definition . 23
Bibliography . 24

Figure 1 – Apparatus for cyclic bending test . 12
Figure 2 – Apparatus for static bending test . 13
Figure 3 – Example of apparatus for rolling test . 15
Figure A.1 – Layout of luminous measurement system . 20
Figure B.1 – Example of measurement apparatus for luminous flux using an integral
sphere . 22

Table 1 – Standard conditions for referee measurements and tests . 8
Table 2 – Examples of the test conditions . 17

– 4 – IEC 62899-502-2:2019  IEC 2019
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
PRINTED ELECTRONICS –
Part 502-2: Quality assessment –
Organic light emitting diode (OLED) elements –
Combined mechanical and environmental stress
test methods for flexible OLED elements

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