~27 Co-PL : K.Y.Kim (from KITECH), A.Ikeda (from ESPEC) 한국디스플레이산업협회 IEC Organic Light Emitting Diode (OLED) displays – Part 5: Environmental testing methods

평판디스플레이 표준화 총괄워크숍 Outline Purpose To evaluate environmental endurance of organic light emitting diode displ ay modules (OLED display modules) for use and storage under the ass umed usage environment. Test items 1) Storage at high temperature 2) Storage at low temperature 3) Damp heat, steady state, non-operational 4) Operation at high temperature 5) Operation at low temperature 6) Damp heat, steady state, operational 7) Damp heat, cyclic 8) Thermal shock 9) (Simulated) Sunlight exposure 10) Low air pressure 11) ESD

평판디스플레이 표준화 총괄워크숍 Test Purposes and Its Conditions 1)Storage at high temperature Purpose : to check the performance of the OLED module after high temperature storage. Test conditions Temperature : (X ± 3) °C (X= 100, 95, 90, 85, 80, 75, 70, 65, 60, 55, 50, 45, 40, 35, 30) Duration : 2 h, 16 h, 24 h, 48 h, 72 h, 96 h, 120 h, 192 h, 240 h, 300 h, 500 h and h 2)Storage at high temperature Purpose : to check the performance of the OLED module after low temperature storage. Test conditions Temperature : (X ± 3) °C (X= -50, -45, -40, -35, -30, -25, -20, -15, -10, -5, 0) Duration : 2 h, 16 h, 24 h, 48 h, 72 h, 96 h, 120 h, 192 h, 240 h, 300 h, 500 h and 1 000h

평판디스플레이 표준화 총괄워크숍 3) Damp heat, steady state, non-operational Purpose : to check the performance of the OLED module after high temperature and high humidity storage Test conditions Temperature : (X ± 3) °C (X= 60, 55, 50, 45, 40, 35, 30) Humidity : (93±3) % RH Duration : 2 h, 16 h, 24 h, 48 h, 72 h, 96 h, 120 h, 192 h, 240 h, 300 h, 500 h and h 4) Operation at high temperature Purpose : to check the performance of the OLED module after exposure to high temperature operating conditions Test conditions Temperature : (X ± 3) °C (X= 80, 75, 70, 65, 60, 55, 50, 45, 40, 35, 30) Operation time : 2 h, 4 h, 8 h, 12 h, 24 h, 48 h, 72 h and 96 h Operating condition : Full white screen driving signal at 100% grey level Test Purposes and Its Conditions

평판디스플레이 표준화 총괄워크숍 5) Operation at low temperature Purpose :to check the performance of the OLED module after exposure to low temperature operating conditions Test conditions Temperature : X ± 3) °C (X= -30, -25, -20, -15, -10, -5, 0) Operation time : 2 h, 4 h, 8 h, 12 h, 24 h, 48 h, 72 h and 96 h Operating condition : the same as 4) 6) Damp heat, steady state, operational Purpose : to check the performance of the OLED module after exposure to high temperature and high humidity operating conditions. Test conditions Temperature : (X ± 3) °C (X= 60, 55, 50, 45, 40, 35, 30) Operation time : 2 h, 16 h, 24 h, 48 h, 72 h and 96 h Operating condition : the same as 4) Test Purposes and Its Conditions

평판디스플레이 표준화 총괄워크숍 7) Damp, heat cyclic Purpose : to check the performance of the OLED module under conditions of high humidity – combined with cyclic temperature changes depending on application Test conditions IEC shall be applied. 8) Thermal shock Purpose : to check the ability of the OLED module to withstand either rapid change of temperature or specific change rate of temperature while the OLED module is turned off. Test conditions or of IEC shall be applied Test Purposes and Its Conditions

평판디스플레이 표준화 총괄워크숍 9) (Simulated) Sunlight exposure Purpose : to check the performance of the OLED module under (simulated) sunlight exposure. Test condition IEC shall be applied 10) Low air pressure Purpose : to check the influence of air pressure on the assumption that the OLED module is used at high altitude area. Test condition Air pressure is reduced 1 kPa / min or slower, starting from atmospheric pressure (86 kPa to 106 kPa) down to P op. P op : (60±5) kPa, (70±5) kPa, (80±5) kPa Test Purposes and Its Conditions

평판디스플레이 표준화 총괄워크숍 11)ESD Purpose : to check the performance of the OLED module when it is subjected to electrostatic discharges. Test condition IEC shall be applied. Test Purposes and Its Conditions

평판디스플레이 표준화 총괄워크숍 History and current status - History Initiated in July,  CD (2007,March) and CDV (2008, March) (In 2006 Dec., CO-PL was appointed.) - Current status * Waiting for French revision for FDIS * IS will be issued in September or October.

평판디스플레이 표준화 총괄워크숍 9