Transflective liquid-crystal display

A transflective, also transflective mentioned property usually refers to a TFT or LCD screen of a digital device (monitor, camera, PDA, cellular phone), which additionally uses ambient light or sunlight proportionally reflect the light source and thus optimal readability, depending of the type of lighting conditions entry.

The advantage is that the technique also saves power and allows use in a direct incidence of sunlight. Clean backlit displays are sunlight practically blind (black), and can be seen on the screen nothing more. Displays for a bright environment without direct sunlight can alternatively be non-reflective means of the technique of Optical Bonding without a Transflective Panel is required.

However, transflective displays often have the disadvantage that they are not illuminated as uniformly as exclusively backlit displays. The color intensity can be lower than with backlit screens, by the reflection film used, the display can act less contrast and slightly washed out.

We distinguish the following three types:

• Reflective ( retroreflective): Reflective displays are used in environments with high ambient light share or in applications where it is not enough energy to power the backlight is available.
• Transflective ( semi- permeable): Transflective displays have the opportunity to work both reflective and transmissive, and have good viewing properties. Transflective displays can be viewed in direct sunlight, along with a backlit display, even in low light. Transflective screens that are also a touch screen, can be read clearly worse in backlight off, because the ambient light must pass through the touchscreen layer twice.
• Transmissive ( transparent ): Transmissive displays always require a backlight and have the best comparative contrast. They are useful in applications where no direct sunlight normally interfere.