104990017

Character Size:	5.00mm H x 2.45mm W
Background Color:	--
Text Color:	--
Operating Temperature:	0°C ~ 50°C
Interface:	Parallel, 8-Bit
Dot Size:	0.45mm W x 0.50mm H
Voltage - Supply:	7V
Backlight:	LED - Yellow/Green
Viewing Area:	35.00mm L x 15.00mm W
Outline L x W x H:	58.00mm x 32.00mm x 9.50mm
Series:	--
Display Mode:	--
Display Type:	--
Character Format:	5 x 8 Dots w/Cursor
Display Format:	8 x 2
Moisture Sensitivity Level (MSL):	--
Number of Characters:	16
Lead Free Status / RoHS Status:	--
Part Status:	Active

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Introduction

The 104990017 application field and working principle refer to the field of display modules, more specifically LCD, OLED Character and Numeric display modules and their working principle. In consumer and professional products, display modules are ubiquitously used in many applications like consumer electronics, measurement and control systems, intellectual property display panels, etc. Their primary purpose is to deliver a clear, concise and efficient means of both displaying and visually communicating information to a user or operator. This article will go through the application fields and working principle of the LCD, OLED Characters and Numeric display modules.

LCD (Liquid Crystal Display) Modules

LCD or Liquid Crystal Display modules are the most commonly used type of display module in consumer and professional products. LCDs are built upon an array of LCD pixels formed by intersecting column and row signal lines. To drive the LCDs, a signal controller is used, an on-screen display microcontroller is used to provide the signal to create the on-screen text or graphics. The most common application field for LCDs includes Smartphones, PCs, TVs and many other portable electronic devices. The LCD module’s working principle can be divided into two parts, first being the transmission mode and second being reflectance mode. In transmission mode, the LCD’s backlight is lit brightly by a source of light (LED or Cold Cathode Fluorescent Lamp), the liquid crystal molecules then act as shutter or secondary filter which blocks or allows the light to pass through. When the voltage of the LCD panel rises, the molecules arrange themselves in the crystal structure and blocks the light from passing in the form of an image. In the reflectance mode, the LCD panel employs an internal prior reflective mirror to reflect the input light. It can reflect up to 60% of the light and produces its image.

OLED (Organic Light Emitting Diode) Characters and Numeric Modules

Organic Light Emitting Diode or OLED characters and numeric display module are designed to deliver brightly illuminated, high contrast and wide viewing angle display. The OLED module typically consists of OLED pixels which are arranged in a matrix pattern along with the associated electronics. The material used in OLED is made up of three layers including an anode, a light-emitting layer, and a cathode. When the electrical current is passed through the OLED material, it emits light in the form of an image. The OLED display module is thinner, brighter and consumes less power than the other display modules such as LCDs. The OLED display module’s application fields range from portable electronic devices to medical equipment, automotive sector, gaming consoles, etc. Another advantage that OLED has over the LCD is that it does not require any backlights in order to operate, which helps to reduce the using power of OLEDs. Unlike LCDs, OLED displays are always ready for immediate viewing without the need for any warm up time.

Conclusion

In conclusion, LCD and OLED display modules have become an essential part of consumer and professional products due to their ability to deliver a clear, concise and efficient means of both displaying and visually communicating information to a user or operator. The application fields of both these display modules vary from consumer electronics to medical equipment, automotive sector, gaming consoles, etc. The LCD module’s working principle relies on the transmission mode and reflectance mode, while the OLED character and numeric modules work via an electrical current passing through the OLED material which emits light in the form of an image. OLEDs are thinner, brighter, have a wide viewing angle and consume less power than LCDs, making them the preferred choice for many.

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