STANDARD
PRODUCT
DOC.
SPEC.
MODULE
NO.
PAGE
20
5 Line defect
L: length W: width
Acceptable QTY
Length Width
A/B Area C Area
搜Ю
W≤0.02 No check
L≤3 W≤0.03 2
No check
0.03ɡW≤0.05 2
L≤2.5
Wㄅ0.05 Sa round type
2.50
18.USING LCD MODULES
18-1 LIQUID CRYSTAL DISPLAY MODULES
LCD is composed of glass and polarizer. Pay attention to the following items when handling.
(1) Please keep the temperature within specified range for use and storage. Polarization degradation, bubble generation or
polarizer peel-off may occur with high temperature and high humidity.
(2) Do not touch, push or rub the exposed polarizers with anything harder than an HB pencil lead (glass, tweezers, etc.).
(3) N-hexane is recommended for cleaning the adhesives used to attach front/rear polarizers and reflectors made of organic
substances which will be damaged by chemicals such as acetone, toluene, ethanol and isopropylalcohol.
(4) If the display surface becomes contaminated, breathe on the surface and gently wipe it with a soft dry cloth. If it is heavily
contaminated, wipe gently with absorbent cotton or other soft material like chamois soaked in Isopropyl alcohol or Ethyl
alcohol. Do not scrub hard to avoid damaging the display surface.
(5) Wipe off saliva or water drops immediately, contact with water over a long period of time may cause deformation or color
fading.
(6) Avoid contacting oil and fats.
(7) Condensation on the surface and contact with terminals due to cold will damage, stain or dirty the polarizers. After products
are tested at low temperature they must be warmed up in a container before coming is contacting with room temperature air.
(8) Do not put or attach anything on the display area to avoid leaving marks on.
(9) Do not touch the display with bare hands. This will stain the display area and degradate insulation between terminals (some
cosmetics are determinated to the polarizers).
(10) Exercise care to minimize corrosion of the electrode. Corrosion of the electrodes is accelerated by water droplets,
moisture condensation or a current flow in a high-humidity environment.
(11) As glass is fragile. It tends to become or chipped during
handling especially on the
edges. Please avoid dropping or
jarring.
18-2 PRECAUTION FOR HANDING LCD MODULES
Since LCM has been assembled and adjusted with a high degree of precision, avoid applying excessive shocks to the
module or making any alterations or modifications to it.
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