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Journals

Delaminating of LCD polarizers

LCD displays, especially older, mature display technologies such as segment and character LCDs have a very low fallout rate; so when we receive a request to return a large number of failures, we are concerned and want to solve the problem right away. A few weeks ago, one of our customers, a manufacture of test and [...]

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What is a pic microcontroller?

The PIC microcontroller LCD Displays have several types of interfaces to drive them. Some of the most common include: SPI I2C Parallel USB Multiplex Direct drive No matter which interface you choose, you will need a processor on your board to talk to the LCD. PIC is a family of microcontroller products made by Microchip Technology.  The acronym PIC microcontroller stands for Programmable Interface [...]

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Replacement Ocular LCD Displays

Ocular LCD Displays is the latest LCD supplier to pull out of the display market. Consequently, we have been contacted by people asking us for replacement displays once supplied by Ocular USA Displays. Ocular LCD Displays has moved towards chapter 7. They were located in Texas and began business in 1986. It looks like they ceased [...]

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Break Down of a parallel interface

This article about the parallel interface was provided by Paul Hay, Electrical Engineer. LCD Displays that use a parallel interface include Character, Graphic and TFT. LCD controllers use common interfaces for user interaction. The initial step is to energize the LCD. Reads and Writes are sent via 8 data lines and 3 control lines. These control lines [...]

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LCD Voltage Inputs for LCD Displays Explained

This article about LCD voltage inputs was provided by:  Paul Hay, Electrical Engineer.VCC, VDD, VSS, VEE, V0 explained Monochrome character, graphic and static displays require different input voltages. All the different LCD voltage symbols can be confusing, but believe it or not, there is a system to the madness.LCD Voltage: the basics of LCD power inputs The [...]

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LCD reverse engineering services

LCD Reverse Engineering services for replacement LCDs A large share of our business originates from customers who need our LCD reverse engineering services for a replacement display module. Their current supplier has discontinued the LCD series or no longer supplies Liquid Crystal Displays. A short time ago a customer contacted our technical engineering support department and asked [...]

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Thin LCD Module

One of the advantages of designing a custom display is the ability to reduce your display’s thickness by selecting a thin ITO glass; which is key to a thin LCD module. Additional advantages to customizing segment displays include reduced unit cost, small tooling NRE (Non-recurring engineering) investment and low power consumption.An introduction to Liquid Crystal Displays Liquid [...]

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Thin Film Transistor Introduction

Thin film transistor / TFT displays are the most popular type of color display. They technically are not a LCD (liquid crystal display) since they do not contain any liquid, but are operated with LEDs (light emitting diodes). They can be seen in such products as TV’s, tablets, digital photo frames and older cell phones.Benefits and [...]

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Replacing Character Displays

Replacing character displays modules We receive calls periodically for help replacing character displays. We received a call recently and this particular person was asking us to design a replacement LCD for a 40x2 character display. The customer was purchasing a 40x2 character display from the same supplier for over ten years when that supplier discontinued the LCD. [...]

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Color LCD Display Technology options

Which color LCD display technology is best for my application? Color LCD display technology is broken down into two categories: Monochrome (one color character and a different color background) and Multi-color. There are three main types of multi color LCD display technologies: OLED, TFT and FSC. Deciding which color LCD display technology to choose for your product depends [...]

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