13. PRECAUTIONS
13.1 PRECAUTIONS of TOUCH PANEL
1) Please refer to Fig. 13.1 for housing the display with touch panel into applications. The Fig. 13.1
shows some points as below:
- The cushion needs to be designed between housing and touch panel in order to avoid unexpected
pressure to cause any wrong reactions, and the cushion should be located in the cushion area.
- The housing should not cover the active area of touch panel as the figure shown.
Case
Tape
Touch Panel
Case
Cushion
Cushion Area
LCM
T/P Active are a
Case opening
t>0.3
>2.8
(0.2)
Fig. 13.1
13.2 PRECAUTIONS of ESD
1) Before handling the display, please ensure your body has been connected to ground to avoid any
damages by ESD. Also, do not touch display’s interface directly when assembling.
2) Please remove the protection film very slowly before turning on the display to avoid generating ESD.
13.3 PRECAUTIONS of HANDLING
1) In order to keep the appearance of display in good condition, please do not rub any surfaces of the
displays by using sharp tools harder than 3H, especially touch panel, metal frame and polarizer.
2) Please do not stack the displays as this may damage the surface. In order to avoid any injuries,
please avoid touching the edge of the glass or metal frame and wore gloves during handling.
3) Touching the polarizer or terminal pins with bare hand should be avoided to prevent staining and
poor electrical contact.
4) Do not use any harmful chemicals such as acetone, toluene, and isopropyl alcohol to clean display’s
surfaces.
5) Please use soft cloth or absorbent cotton with ethanol to clean the display by gently wiping.
Moreover, when wiping the display, please wipe it by horizontal or vertical direction in stead of circling
to prevent leaving scars on the display’s surface, especially polarizer.
6) Please wipe any unknown liquids immediately such as saliva, water or dew on the display to avoid
color fading or any permanent damages.
7) Maximum pressure to the surface of the display must be less than 4
10 x 1,96 Pa. If the area of
applied pressure is less than 1 2
cm , the maximum pressure must be less than 1.96N.
KAOHSIUNG HITACHI
ELECTRONICS CO., LTD. SHEET
NO. 7B64PS 2713- TX14D22VM1BPA-1 PAGE 13-1/2