The parameters that custom segment code screens usually need to know are: working temperature, size, display content, color, working voltage, connection method, etc., and then develop and design according to product needs.

The following mainly talks about the selection of polarizers and drivers

Types of polarizers

1. Reflective mode: The lower polarizer is opaque, so it cannot be used with a backlight. It is suitable for use in the daytime or when there is an external light source. The advantage is that the contrast is higher.

2. Fully transparent mode: the transmittance is about 40%, it must be used with the backlight (otherwise you will see the components or PCB under the screen), the advantage is that the backlight brightness is high.

3. Semi-transparent mode: It is between reflection and full-transmission mode, with a transmittance of about 30%, and it can be used with or without a backlight, which is more flexible.

Drive mode

1. Static drive: There is only one common terminal COM, and each pixel is led out by a separate electrode. The advantage is that the display effect is better than the dynamic drive, but the disadvantage is that there are many pins.

2. Dynamic drive: if there are more than 2 common terminals COM, each electrode controls at least 2 or more pixels, and it needs to be driven by time division scanning.

LCD segment code LCD screen is a kind of LCD screen display mode. The LCD screen has two modes: segment code type and dot matrix type. Composed of 7 segments, it can display numbers from 0 to 9. Such as calculators, clocks, etc., the displayed contents are all numbers. At the same time, different graphics such as windmills, temperature symbols, etc. can also be displayed. Segment LCD is widely used in the following industries.

1. Medical electronic segment code LCD screen: electronic infusion pump, spirometry tester, nebulizer, vision corrector.

2. Instrumentation segment code LCD screen: water meter, electricity meter, natural gas meter, gas meter, heating meter, thermometer, humidity meter, etc.

3. Home appliances segment code LCD screen: air purifier, water purifier, induction cooker, microwave oven, rice cooker, washing machine, refrigerator

4. Vehicle electronic segment code LCD screen: vehicle instrument, electronic water temperature gauge, electronic oil gauge, electronic pressure gauge

5. Industrial control segment code LCD screen: opening meter, tachometer, lap table, voltmeter, ammeter

6. Financial tax control segment code LCD screen: u shield, small POS machine, money counter, money detector

7. LCD screen of beauty salon segment code: hair perm, face-lifting instrument, breast enhancement instrument, hair straightener, mite removal instrument

8. Power tool segment code LCD screen: electric wrench, assault drill, tension gauge, electric zipper saw

9. Science and education instrument segment code LCD screen: vernier caliper, infrared rangefinder, electronic curriculum, classroom clock

10. Maternal and infant products segment code LCD screen: breast warmer, breast pump, temperature measuring bottle, smart water cup,

11. Agricultural tools segment code LCD screen: soil moisture tester, nitrogen, phosphorus and potassium tester, automatic irrigation system, pH tester, sugar content meter

12. Fire alarm segment code LCD screen: fire sensor alarm

13. Photographic equipment segment code LCD screen: SLR camera status