Customized LCD panels and LCD modules widely used in industrial instruments,
audio appliances  mobile phones and remote controls etc.

Chip-On-Glass – is one of the high-tech mounting methods that uses Gold Bump or Flip Chip IC's, and implemented in most compact applications.

Chip-On-Glass integrated circuits were first introduced by Epson. In flip-chip mounting, the IC chip is not packaged but is mounted directly onto the PCB as a bare chip. Because there is no package, the mounted footprint of the IC can be minimized, along with the required size of the PCB. This technology reduces a mounting area and is better suited to handling high-speed or high-frequency signals

Liquid Crystal Displays

After the electrodes have been made, an insulating layer is put on top of them. This is a silicon dioxide layer that is used to seal the electrode surface, act as an electrical barrier, and index match the electrodes and the glass. The next layer to be applied is the liquid crystal alignment layer. This is usually a polyimide type material and has been chosen for its environmental stability in high moisture and heat. More importantly is its ability to cause the molecules of liquid crystal to align their long axis in the direction in which the polymer has been buffed. Then the two halves of the display at right angles to one another and since the liquid crystal molecules like to arrange themselves parallel to one another, we cause a helical structure to be formed between the two electrode faces. This helical structure is a 90 degree rotation of the liquid crystal molecules from one side of the display to the other. After the polymer is buffed, a glue ring or seal is printed on the glass. This is a thermoset epoxy type material with a very high glass transition temperature. A small spot of conductive epoxy to connect the common plane electrode on the top piece of glass to the segment plane which is on the bottom piece of glass. This conductive epoxy is called a crossover dot.

To make the display uniform in appearance, spacers are then applied. These are usually glass rods that have the desired diameter to produce a fixed gap between the glass plates. Depending on the liquid crystal used, this gap can be between 6 and 8 microns. The two halves of the display are then heat sealed together. A very thin, uniform, flat and empty bottle has been formed. A liquid crystal is put inside this bottle by using a vacuum filling technique. The liquid crystal (dielectric material of our capacitor) is selected for it's various physical properties. The application may call for a liquid crystal fluid that has a very low operating voltage or the display may be used outdoors and require a very wide temperature range. Display manufacturers have developed several liquid crystal mixtures to fulfill most applications. Once the liquid crystal has been put inside the display and the port opening has been sealed, a polarizer is put on the front and an analyzer (another polarizer) is put on the back.

LCDs are offered in three basic light transmission modes: reflective, transmissive and transflective . In the reflective mode, available light is used to illuminate the display. This is achieved by combing a reflector with the rear polarizer. It works best in an outdoor or well-lighted office environment. Transmissive LCDs have a transparent rear polarizer and do not reflect ambient light. They require a backlight to be visible. They work best in low light conditions with the backlight on continuously. Transflective LCDs are a mixture of the reflective and transmissive types, with the rear polarizer having partial reflectivity. They are combined with a backlight for use in all types of lighting conditions. The backlight can be left off where there is sufficient light, conserving power. In darker environments, the backlight can provide a bright display. Transflective LCDs will not "wash out" when operated in direct sunlight. Another feature of the viewing mode is whether the LCD is a positive or negative image . The standard image is positive, which means a light background with a dark character or dot. This works best in reflective or transflective mode. A negative image is usually combined with a transmissive mode. This provides a dark background with a light character. A strong backlight must be used to provide good illumination. In most graphic applications, the transmissive negative mode is inverted. This combination provides a light background with dark characters, which offers the user better readability.