Flat-Screen Displays Revolutionize the Electronics Industry
A visit to Tokyo's Akihabara district showcases the progression of flat-screen display technology, with companies like Sharp, Pioneer, and Fujitsu marketing flat-screen televisions, although at a high cost of around £10,000 each for larger displays. Various technologies are competing for dominance, including gas-plasma and liquid crystal display (LCD) technology. Pioneer has announced plans to launch flat-screen colour displays using Organic Electroluminescence (Organic EL) technology, which involves passing an electrical charge through an organic material to produce light. Scientists at Princeton have discovered a method to produce brighter flat-screen displays by "stacking" organic light-emitting diodes (OLEDs), tripling resolution with minimal power increase.
Key Takeaways:
- Pioneer has been developing Organic EL technology since 1988, with the basic patents held by Eastman Kodak.
- Organic EL displays offer advantages such as brightness, wide viewing angle, low power consumption, high picture quality, and fast response to input data.
- Existing organic EL displays have an operating life of only 2,000 hours, with Pioneer aiming to extend it to 10,000 hours.
- Pioneer plans to launch the first devices with colour Organic EL screens around 2000.
- The stacked OLED development could sharply increase resolution on computer monitors, enabling flat panel displays to curve and be placed on plastic.
- The exclusive licence to the Princeton patents is held by Universal Display Corporation.
- Commercial products are expected to be launched in 2000, with prices comparable to existing LCD screens.
Statistics:
- £10,000: the cost of larger flat-screen displays sold by companies like Sharp, Pioneer, and Fujitsu.
- 2,000 hours: the operating life of existing organic EL displays.
- 10,000 hours: the target operating life for improved organic EL displays.
- 30-50,000 hours: the operating life of an LCD display.
- 10 volts: the voltage required for stacked OLEDs.
- 8 volts: the voltage drawn by a single LED.
- 10in: the typical size of displays targeted by Organic EL technology.
Sources:
- "A walk around Tokyo's Akihabara district..." (Source: No specific publication or date mentioned)