Back


1. HANDLING PRECAUTION

1-1. MOUNTING METHOD
  The panel of the LCD module consists of two thin glass plates with polarizes which
 easily get damaged since the module is fixed by utilizing fitting holes in the 
printed circuit board. Extreme care should be taken when handling the LCD modules.

1-2. CAUTION OF LCD HANDLING & CLEANING
  When cleaning the display surface. Use soft cloth with solvent (recommended below) 
and wipe lightly.
   -Isopropyl alcohol
   -Ethyl alcohol
   -Tri chlorotri fluoroethane
  Do not wipe the display surface with dry or hard materials that will damage the
polarizes surface.
  Do not use the following solvent:
   -Water
   -Ketones
   -Aromatics

1-3.CAUTION AGAINST STATIC CHARGE
  The LCD modules use COMS LSI drivers. So we recommend that you connect any unused 
input terminal to Vdd or Vss, do not input any signals before power is turned on and 
ground your body. work/assembly table. And assembly equipment to protect against 
static electricity.

1-4.PACKAGING
   -Modules use LCD elements, and must be treated as such avoid intense shock and 
falls from a height
   -To prevent modules from degradation, do not operate or store them exposed 
directly to sunshine or high temperature/humidity.

1-5.CAUTION FOR OPERATION
   -It is indispensable to drive LCM within the specified voltage limit since the 
higher voltage than the limit shortens LCM life.
   -Response time will be extremely delayed at lower temperature than the operating 
temperature range and on the other hand at higher temperature LCD show dark color in 
them.
   However those phenomena do not mean malfunction or out of order with LCD, which 
will come back in the specified operating temperature range.
   -If the display area is pushed hard during operation. Some font will be abnormally 
displayed but it resumes normal condition after turning off once.
   -A slight dew depositing on terminals is a cause for Electro-chemical reaction 
resulting in terminal open circuit.
  Under the maximum operating temperature, 50%RH or less is required

1-6 STORAGE
  In the case of storing for a long period of time (for instance, for years) for the 
purpose or replacement use. the following ways are recommended
   -Storage in a polyethylene bag with the opening sealed so as not to enter fresh 
air outside in it, and with no desiccant.
   -Placing in a dark place where neither exposure to direct sunlight nor light is, 
keeping temperature in the specified storage temperature range.
   -Storing with no touch on polarizes surface by the anythingelse.
(it is recommended to store them as they have been contained in the inner container 
at the time of delivery from us.

1-7.SAFETY
   -It is recommendable to crash damaged or unnecessary LCD into pieces and wash off 
liquid crystal by using solvents such as acetone and ethanol, which should be burned 
up later.
   -When any liquid crystal leaked out of a damaged glass cell comes in contact with 
your hands, please wash it off well with soap and water.


2.PRECAUTION FOR USE

2-1.A limit sample should be provided by the both parties on an occasion when the 
both parties agree its necessity.
  Judgement by a limit sample shall take effect after the limit sample has been 
established and confirmed by the both parties.

2-2.On the following occasions, the handling of problem should be decided through 
discussion and agreement between representative of the both parties
   -When a question is arisen in this specification.
   -When a new problem is arisen which is not specified in this specifications.
   -When an inspection specification change or operating condition change in customer 
is reported to GEM-TECH, and some problem is arisen in this specification due to the 
change.
   -When a new problem is arisen at the customer's operating set for sample 
evaluation in the customer size.

Back