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[China]
Trade Verify
Address: 3 FL., Yuan Yi Yuan Industrial Park, QianJing Rd, XiXiang, BaoAn,ShenZhen, China
Contact name:Christina
Shenzhen Saef Technology Ltd. |
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Customized segment screen Bluetooth speaker displays temperature, voltage, current, oxygen generator, segment LCD
SAEF Technology is specializing in the production of customized 7-segment LCD displays. As a leading LCD manufacturer in China, we believe and continue to conduct in-depth research and development, which has led to breakthrough developments in the field of liquid crystal displays. Our high-end displays are used in a wide range of applications in industrial, residential, automotive, medical, and consumer products.
| Product: | Customized segment screen | Display Mode: | Positive Transflective |
|---|---|---|---|
| Driving Condition: | 1/4 Duty Cycle, 1/3 Bias | Operating Voltage: | 3.0 V |
| Optics: | all vewing angles | Display Type: | LCD |
| Size: | 3.6 Inch | Backlight: | White / Amber / Blue / Yellow |
| Operating Temp: | -30°C To +80°C | Storage Temp.: | -35°C To +85°C |
| Connection: | Metal Pin Connection | Compliance: | REACH & RoHS Compliant |
| Dot Space: | 0.1 Mm | Response Time: | 0.1 Ms |
The name of the segment liquid crystal originated in the early days
when the liquid crystal screen began to be applied, mainly to
replace the LED digital tube (composed of 7 pen segments, used to
display the number 0 ~ 9), such as calculators, clocks, etc., the
display content is digital, but also relatively simple, now, the
general non-dot matrix liquid crystal display is called the segment
LCD.
LCD is divided into TN type LCD, HTN type LCD, STN type LCD, FSTN
type LCD and many other types
In contrast to the array of pixels of the lattice liquid crystal,
the pixels of the segmented liquid crystal are very free in
arrangement and shape. The most common is the "8" field similar to
a digital tube, and an "8" character is composed of 7 segments,
that is, 7 pixels. The "m" glyph "8" consists of 16 pixels. Of
course, the segment of the segment liquid crystal can be made into
any shape, as long as the driving ability of the driver chip is
allowed. For example, company logo, other patterns, text, etc.
Made of liquid crystal material, the price is low. The driving cost
of segmented liquid crystal is also very low, and the classic
HT1621 series chip is a good choice. HT1621 can drive 32×4=128 pen
segments, which is equivalent to 16 "8" characters. The interface
of HT1621 is serial, with CS, WR, RD (RD can also be omitted), and
DATA pins. The HT1621 can also drive a buzzer to emit a sound of
high and low frequencies.
How it works
TN type LCD screens usually have three modes: full translucent,
transflective and reflective. The liquid crystal does not actively
emit light and needs to be connected to provide an external light
source. The light source of the fully transparent liquid crystal
comes from behind the liquid crystal; The light source of the
reflective liquid crystal comes from the front of the liquid
crystal and is reflected to the observer's eye by the polarizer of
the liquid crystal screen; Transflective liquid crystals fall
somewhere in between, with both light coming from behind the liquid
crystal and light reflected from the front. Therefore, a backlight
is required for fully transmissive liquid crystals, no backlight is
required for reflectivity, and semi-translucent liquid crystals can
be used with or without a backlight. LCD screens that do not use a
backlight cannot be observed in the dark.
Segment liquid crystal has several characteristics such as low
price, low driving cost, simple operation and free format, so it
has been widely used. Such as the following areas:
* Instruments, meters: gas meters, water meters, bus systems, fuel
dispenser counting
*Display Office equipment: fax machine, punch card machine,
attendance machine, access control system
* Communication equipment: all kinds of IC card telephones,
Internet phones, IP phones
* Banking system: POS machine
* Tax system: tax controller
*Medical equipment: physiological monitors and all kinds of health
care equipment
* Industrial control equipment: automatic control
* Various HMIs, handheld devices, etc
Customized segment screen Bluetooth speaker displays temperature, voltage, current, oxygen generator, segment LCD
FACTORY AND FACILITIES
CONTACT
Welcome to inquire via ck@saef.com.cn
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