| Customization: | Available |
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| Usage: | Small-sized LCM |
| Digital LCD Module Type: | Counting Module |
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| Specification: | |
| Model NO.: | RP2004B |
| Dots: | 20x4 |
| LCM Type: | COB |
| Module size(W*H*T): | 146 x 62.5 x 14.2mm |
| Viewing Area(W*Hmm): | 122 x 42.6 mm |
| Dot Size(W*Hmm) | 0.93 x 1.1 mm |
| Controller: | KS0066 or equivalent |
| Backlight: | LED |
| Lcd Type: | FSTN,STN BLUE/Y-G |
| Operating Voltage | 5V |
| Operating Temperature: | -20 ~ +70ºC |
| Storage Temperature: | -30 ~ +80ºC |
| Telecommunication Devices | Telephone,interphone,watch,tablet PC,radio,etc |
| Consumer Products | Camera,DVD player,toy, Cell Phone,game player,etc |
| Technical Equipment | Elevator controller,Industrial machine,etc |
| Office Automation | Printer,scanner,attendance machine,fax machine,etc |
| Home Appliances | Air-condition display,refrigerator,electric cooker,video doorbell,etc |
| Automobile | GPS,video player,speedometer,audio broadcast,etc |
| IT Products | Camera,handheld digital video,projector,media play,tablet PC,etc |
| Medical Equipment | Ultrasound machine,therapeutic equipment Blood pressure meter,etc |
One benefit of character LCDs is that they have a lower probability of being discontinued in comparison to newer, more complex display technologies. However, all displays are eventually discontinued at some point in time.
The good news is, it is relatively simple to develop an equivalent or close to equivalent replacement character LCD. Often times, Focus LCDs can produce direct cross overs for your discontinued character LCD and support it for many years.
If it is the driver that has gone EOL, you won't have trouble finding a close replacement. Most of Focus LCDs' character LCDs use driver ST7066 or equivalent. A comparison is made between 4 common character LCD built-in drivers in our LCD resource Character LCD Controller Compatibility ST7066.
It is important to note that while you won't have trouble finding a close replacement driver, considerations must be made in regard to your product's firmware. It is always advised to test samples before deciding on a replacement display.
Low Power Consumption
Character LCDs typically consume less power than displays such as TFTs. Focus LCDs' standard character LCDs come in 5V or 3.3V. The latter voltage is low enough to be powered by two double A batteries - perfect for low power or mobile devices.
LED backlights are a considerable source of power consumption on an LCD module. If power consumption is a major concern, and the environment of usage is well-lit, you should inquire about a character LCD that utilizes a reflective or transflective polarizer, eliminating the need for a backlight. This in turn significantly decreases power consumption.
You may be out of luck if your product requires a low power display and the environment of usage is not well-lit. In cases such as this, it is possible to implement pulse width modulation to dim or brighten the backlight as necessary. When the backlight is dimmed, it will draw less power.
As with all monochromatic LCDs, you are limited with your character LCD options in regard to colors. Positive mode character LCDs have dark pixels and a light background, while negative mode character LCDs have light pixels and a dark background.
When we refer to the background color, it is important to note that the background does not actually have a color. The background appears to be colored due to the color of the display's nematic fluid. Below are common liquid/mode color combinations:
FSTN Positive - Gray background, black text
FSTN Negative - Black background, light text
STN Positive - Gray/Yellow background, bluish-black text
STN Negative - Blue background, light text
Negative mode displays require a backlight to be read. The color of the light text on a negative mode LCD is dictated by the color of the LED backlight. For example, a red LED backlight will shine through the light text and make it appear red.
Focus LCDs' standard character variations range from 8×1 to 40×4 characters and have several different models for each variation.
Packaging & Shipping & Delivery
Packaging Details:
All the products are packed in right way to keep it safe.
For small sizes of products we use tray + carton,
For bigger sizes we use foam slot + carton.
we also design packages according to customers' requirements
Shipping Details:
For small quantity orders: we ship by UPS Air-Express, or DHL/FEDEX/TNT/ EMS Express service, it is safe and fast.
For large quantity orders: we ship by buyer's cargo agent in China,
we can also ship by air or sea transportation by our cargo agent.
Delivery Details:
Ready-made Sample: within 1 week
Custom Sample: 1~2 weeks
Mass production: 3-4 weeks
Quality Policy:
All materials we purchase for making any orders are high quality and RoHS compliant, and Control quality with ISO 9001:2008 management system.
Advance inspection instrument and equipment to ensure 100% inspection for each and every piece before shipment
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