Black and white segment display screen and LED backlight is our
main products.We have nearly 10 years of product design,
production, effect experience in the field of black and white
segment display screen; Can Be well customized to meet customer
needs of the product design; at present, LCD mainly are used in
small appliances, medical, industrial control instrumentation,
water and electricity meter, car and many other product areas.We
can design or coply LCD display as per samples or requirement.
How to make a LCD mold to get TN ,HTN,STN,FSTN,or VA LCD
samples?Firstly, please understand that there is no standard
monochrome LCD display panel in monochrome LCD industry (not
including color TFT LCD,COB moule and OLED) ,because specifications
of LCD panel are quite different, especially size, voltage,viewing
direction,graphics and so on.In order to custom make LCD
easy,please confirm these specifications below:LCD size
(mm):Customers should tell us viewing area size or total LCD size
in millimeter(length,width). We will help you design a final and
economic LCD size.LCD total thickness is 2.8mm or 2.0mm or 1.7mm.
Usually,2.8mm is very common thickness.LCD
graphics(characters,icons)Customers should send a simple LCD
graphics(Formal CAD drawing or sketch) to us,then we will
understand how many segment it is.Our engineer will make formal LCD
drawing for your approval.LCD type: 1) TN
2)HTN 3)STN 4)FSTN 5)VAHow to choose LCD
type?1.Usually,TN LCD is used very widely,Such as power meter
LCD,telephone LCD,calculator LCD, electric cooker LCD and so on. TN
LCD is cheapest,but viewing angle is narrow.2.HTN LCD is better
than TN LCD. Display result of HTN positive LCD is the same as TN
positive LCD.But viewing angle is wider than TN. Unit price of HTN
LCD is close to TN LCD.3. STN LCD is very excellent LCD. It has a
wide viewing angle. Usually STN LCD is used in high-end equipments
or display content too much!STN LCD not only can make segment
LCD,but also can make dot matrix LCD.Unit price of STN LCD is
higher than HTN LCD.4.FSTN LCD is one of the best LCD in monochrome
LCD field. Display content even can be seen in the sunshine.
Display result of FSTN positive LCD is similar with TN LCD,but
viewing angle is much wider than TN LCD's.5.VA LCD is a new LCD
type. It has high contrast and wide viewing angle. In general,VA
LCD has a excellent display result.If you want a wonderful display
result,VA LCD will be your best choice.Price of VA is similar with
FSTN LCD. LCD operating voltage:LCD operating voltage is up to
LCD drive chip.Usually,LCD operating voltage range is 2.8~5.0V.We
recommend to use 3.0V or 3.3V or 5V operating voltage.5.LCD
operating temperature and LCD storage temperature:You can choose
one from blow:LCD operating temperature range:0 to 50ºC,then
storage temperature range:-10 to 60ºC;LCD operating temperature
range:-10 to 60ºC,then storage temperature range:-20 to 70ºC;LCD
operating temperature range:-20 to 70ºC,then storage temperature
range:-30 to 80ºC;LCD operating temperature:-30 to 80ºC,then
storage temperature range:-40 to 90ºC;LCD operating temperature:-40
to 85ºC,then storage temperature range:-50 to 90ºC;Temperature
range is wider,then price is higher.6.LCD Drive Method:LCD drive
method is up to LCD drive chip.For examples,Static
drive;1/2duty,1/2bias;1/3duty,1/2bias;1/4duty,1/3bias;1/8duty,1/4bias;1/16duty,1/5bias
and so on.7.Rear polarizer type:There are three types of polarizer:
transmission polarizer;transflective polarizer and reflective
polarizer.If No LED backlight,please choose reflective
polarizer.If LED backlight is necessary,then you can choose
transmission or transflective polarizer.Transflective polarizer is
better and expensive than transmission polarizer.But transflective
LCD will have a uniform light result compared with transmission
polarizer. What is more,when LED backlight is off, transflecitve
LCD will also have a good display result.For transmission
polarizer,when it is negative LCD or LED backlight alway be on,then
it is better use transmission polarizer.8.Viewing directionAs
viewing angle of monochrome LCD is not very wide,especially TN LCD
and HTN LCD, so it is necessary to confirm a best viewing
direction,so that we can get a best display result.As usual,LCD
viewing direction is separated into 6:00 direction and 12:
direction.6:00 viewing direction: When our line of sight is from
bottom to top of LCD,it is 6:00 viewing direction,such as telephone
screen,wall clock screen,air condition screen and so on.12:00
viewing direction: When our line of sight is from top to bottom of
LCD,it is 12:00 viewing direction,such as electric cooker display
screen.Viewing direction of LCD is very important,if we made a
wrong viewing direction,then the LCD display result was very bad.
Maybe customers have to re-make a LCD mold....9.Connection mode of
LCD.How to connect LCD on your PCB?There are four type of
connectors for your choice.Metal pin connector. It is very common
connection way.
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