Iec 62715 6 2 2017

IEC 6271 5 6 2 Edition 1 0 201 7 05 INTERNATIONAL STANDARD Flexible display devices – Part 6 2 Environmental testing methods IE C 6 2 7 1 5 6 2 2 0 1 7 0 5 (e n ) ® TH IS PUBLICATION IS COPYRIGHT PROT[.]

IEC 6271 5- 6- 2

Editio 1.0 2 17-0

Flex ible display devices –

Part 6- 2: Environment al t est ing met hods

®

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IEC 6271 5- 6- 2

Edit io 1.0 2 17-0

Flex ible display devices –

Part 6- 2: Environment al t est ing met hods

INT ER NAT IONAL

ELECT R OT ECHNICAL

-®

W arnin ! Mak e s re t hat y ou o t ain d t his publ c tion from a a thorize distribut or

FOREWORD 4

1 Sco e 6

2 Normative ref eren es 6

3 Terms an def i ition 7

4 Stru ture of me s rin eq ipment 7

5 Stan ard con ition 7

5.1 Stan ard referen e atmosphere 7

5.2 Stan ard atmospheric con ition for ref ere me s rements an tests 7

5.3 Stan ard atmospheric con ition for me s rements an tests 8

5.4 Recovery con ition 8

5.5 Stan ard atmospheric con ition for as isted dryin 8

5.6 Op ratin con ition 8

5.7 Stan ard flexible display test config ration 8

6 Me s rements an analy is 9

7 En ironmental testin method 9

7.1 General 9

7.2 Storage at hig temp rature 9

7.2.1 Purp se 9

7.2.2 Test con ition 9

7.3 Storage at low temp rature 10 7.3.1 Purp se 10 7.3.2 Test con ition 10 7 4 Temp rature c an e, storage 1

0 7.4.1 Purp se 10 7.4.2 Ra id c an e of temp rature 10 7.4.3 Sp cified c an e rate of temp rature 10 7.5 Damp he t, ste d state, storage 1

7.5.1 Purp se 1

7.5.2 Test con ition 1

7.6 Damp he t, c cl c, storage 1

7.6.1 Purp se 1

7.6.2 Test con ition 1

7.7 Op ration at hig temp rature 12

7.7.1 Purp se 12

7.7.2 Test con ition 12

7.8 Op ration at low temp rature 12

7.8.1 Purp se 12

7.8.2 Test con ition 12

7.9 Damp he t, ste d state, o erational 13

7.9.1 Purp se 13

7.9.2 Test con ition 13

Biblogra h 14

Ta le 1 – Stan ard con ition for refere me s rements an tests 7

Ta le 2 – As isted dryin con ition 8

Ta le 3 – Examples of the damp he t, ste d state test con ition 1

INTERNATIONAL ELECTROTECHNICAL COMMISSION

_

FLEXIBLE DISPLAY DEVICES –

Part 6-2: Environmental testing methods

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al n tio al ele trote h ic l c mmite s (IEC Natio al Commite s) Th o je t of IEC is to promote

intern tio al c -o eratio o al q e tio s c n ernin sta d rdiz tio in th ele tric l a d ele tro ic f i ld To

this e d a d in a ditio to oth r a tivitie , IEC p bls e Intern tio al Sta d rd , Te h ic l Sp cific tio s,

Te h ic l Re orts, Pu lcly Av ia le Sp cif i atio s (P S) a d Guid s (h re f ter refer e to a “IEC

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International Stan ard IEC 6 715-6-2 has b en pre ared by IEC tec nical commite 1 0:

Electronic display devices

The text of this International Stan ard is b sed on the f ol owin doc ments:

Ful inf ormation on the votin for the a proval of this International Stan ard can b fou d in

the re ort on votin in icated in the a ove ta le

This doc ment has b en draf ted in ac ordan e with the ISO/IEC Directives, Part 2

A l st of al p rts in the IEC 6 715 series, publ s ed u der the general title Fl exible d isplay

The commite has decided that the contents of this doc ment wi remain u c an ed u ti the

sta i ty date in icated on the IEC we site u der "htp:/ we store.iec.c " in the data related to

the sp cif i doc ment At this date, the doc ment wi b

• reconfirmed,

• with rawn,

• re laced by a revised edition, or

A bi n ual version of this publcation may b is ued at a later date

FLEXIBLE DISPLAY DEVICES –

Part 6-2: Environmental testing methods

This p rt of IEC 6 715 sp cifies testin method for evaluatin the en ironmental en uran e

of f lexible display p nels an mod les f or u e, storage an tran p rt u der as umed u age

en ironment This p rt of IEC 6 715 is a pl ca le to flexible display p nels an mod les s c

as l q id cry tal display devices (LCDs), electric p p r display devices (EPDs), an organic

l g t emitin diode display devices (OLEDs) This p rt of IEC 6 715 wi also b s ita le for

f lexible p nel or mod le with mec anical o eration

The fol owin doc ments are ref er ed to in the text in s c a way that some or al of their

content con titutes req irements of this doc ment For dated referen es, only the edition

cited a ples For u dated referen es, the latest edition of the ref eren ed doc ment (in lu in

an amen ments) a pl es

IEC 6 0 8-1:2 13, En iro me tal t esting – Part 1: Ge eral a d g ida c

IEC 6 0 8-2-1, Enviro me t al testing – Part 2-1: Tests – Test A: Col d

IEC 6 0 8-2-2, Enviro me tal t esting – Part 2-2: Tests – Test B: Dry h at

IEC 6 0 8-2-14, Enviro me tal t esting – Part 2-14: Tests – Test N : Ch n e of temp rature

IEC 6 0 8-2-3 , Enviro me tal t est ing – Part 2-3 : Tests – Test Db: Damp h at, c c c

(12 h + 12 h c cle)

IEC 60 6 -2-7 , Enviro me tal t esting – Part 2-78: Tests – Test Ca : Damp h at, ste dy

state

IEC 6 3 1-6-2, Org nic l ight emitting d iod e (OLED) d isplays – Part 6-2: Measurin methods

of visu l q a ty a d ambient p rorma c

IEC 6 3 1-6-3, Org nic l ight emitt ing d iod e (OLED) d ispl ays – Part 6-3: Measurin meth ds

of ima e q a ty

IEC 62 15-1-1, Fl exibl e d ispl ay d evic s – Part 1-1: Terminol og a d lett er symb ls

IEC 62 15-5-1

1

, Flexibl e d ispla d evic s – Part 5-1: Measurin meth ds of o t ic l

IEC 6 715-5-3

2

, Fle ible d ispl ay d evic s – Part 5-3: Visu l as es me t

_ _ _ _ _ _

1

Un er pre aratio Sta e at th time of p blc tio : IEC/FDIS IEC 6 715-5- :2 17

IEC 6 715-6-1, Flex ibl e d isplay d evic s – P art 6-1: Mec a ic l stres test met hods

IEC 6 6 9-3-2, El ectro ic p p r d isplay – Part 3-2: Measuring method – El ectro-o tic l

3 Terms and def initions

For the purp ses of this doc ment, the terms an def i ition given in IEC 6 715-1-1 an

IEC 6 0 8-1 a ply

ISO an IEC maintain terminological data ases for u e in stan ardization at the f ol owin

ad res es:

• IEC Electro edia: avai a le at ht p:/ www.electro edia.org/

• ISO Onl ne browsin platform: avai a le at htp:/ www.iso.org/o p

4 Structure of measuring equipment

The s stem diagrams an /or o eratin con ition of the me s rin eq ipment s al comply

with the stru ture sp cified in e c item

5 Sta dard conditions

The fol owin con ition are a pl ed:

– temp rature: 2 °C

– air pres ure: 101,3 kPa

NOT No re uireme t for relativ h midity is giv n b c u e c re tio b c lc latio is g n raly n t p s ible

If the p rameters to b me s red de en on temp rature an /or pres ure, an their

de en en e on temp rature an pres ure is k own, the p rameter values can b me s red

u der the con ition sp cified in 5.3 an cor ected by calc lation to the stan ard referen e

atmosphere a ove

5.2 Sta dard atmospheric conditions f or ref ere me s reme ts a d te ts

If the p rameters to b me s red de en on temp rature, pres ure an h midity an their

de en en e on temp rature, pres ure an h midity is u k own, the atmospheres to b

sp cified s al b selected f rom the fol owin values, as s own in Ta le 1 The selected

values s al b noted in the relevant sp cification

Table 1 – Sta dard conditions f or refere me s reme ts a d te ts

Temperature

a

°C

Relative h midity

b

% RH

A ir pre sure

b

kPa

2 ± / ±1

2 ± / ±1

3 ± / ±1

3 ± / ±1

a

Th clo e tolera c s ma b u e f or th refere me s reme ts Th wid r

tolera c s ma b u e o ly wh n alowe b th rele a t s e if i atio

b

In lu iv v lu s

5.3 Sta dard atmospheric conditions f or me s reme ts a d te ts

Unles otherwise sp cified, al tests an me s rements s al b car ied out u der stan ard

atmospheric con ition :

– temp rature: 15 °C to 3 °C

– relative h midity: 2 % to 8 %, where a pro riate

– air pres ure: 8 kPa to 10 kPa

5.4 Re ov ry con itions

The recovery con ition sp cified in IEC 6 0 8-1:2 13, 4.4, s al b a pl ed

The flexible p nel or mod le s al b s bjected to the recovery proced re in the c amb r or

otherwise as a pro riate

The f lexible p nel or mod le s al then remain u der stan ard atmospheric con ition f or

recovery for a p riod adeq ate f or the atainment of temp rature sta i ty, with a minimum of

1 h

If req ired by the relevant sp cif i ation, the p nel or mod le s al b switc ed on or lo ded

an me s red contin ou ly d rin the recovery p riod

If the stan ard con ition given a ove are not a pro riate for the device to b tested, the

relevant sp cif i ation may cal for other recovery con ition

5.5 Sta d rd atmospheric con itions f or a siste dryin

The con ition sp cified in IEC 6 0 8-1:2 13, 4.5, s al b a pled

Where as isted dryin is req ired b f ore commen in a series of me s rements, the

f ol owin con ition (se Ta le 2) s al b u ed f or 6 h, u les otherwise pres rib d by the

relevant sp cif i ation

Table 2 – As iste drying con ition

a

5 ℃ ± 2 ℃

Not e c e in 2 % 8 kPa to 10 kPa

a

In lu iv v lu s

If it is impractica le to car y out as isted dryin u der the stan ard con ition for as isted

dryin , a note, statin the actual con ition , s al b ad ed to the test re ort When the

sp cified temp rature f or the dry he t test is lower than 5 °C, the as isted dryin s al b

car ied out at that lower temp rature

5.6 Operating con itions

Ap ly a white level (10 % grey level) to the ful s re n of the f lexible display p nels or

mod les

5.7 Sta dard fle ible displa te t configuration

Unles otherwise sp cif ied, the f lexible display p nels or mod les s al b tested in a state