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US 2011/0084952 A1Published application
High efficiency electronic display device and display system using the same
AssigneeStar-Reach Corporation
InventorChih-Chien YEN
Life of this patent
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Abstract
The present invention is related to a high efficiency electronic display device comprising a plurality of EPDs and a plurality of LEDs, [especially to a like electronic paper display equipment made by EPD and the adding cooperation for LED]. Therefore, the device is capable of display information by means of EPD in the daytime and LED light while not having enough light.
Claims12
A display system comprising:
- a EPD and LED matrix comprising electrophortetic display elements (EPDs) and light emitting display elements (LEDs) of the same numbers, and each of the EPDs is paired with a corresponding one of the LEDs;
- a power generating unit for generating power;
- a battery for storing the power generated by the power generating unit and supplying power to the EPD and LED matrix;
- a radio frequency module for receiving a content to be displayed on the EPD and LED matrix;
- and
- an LED driver and an EPD driver for driving the LEDs and EPDs respectively according to an environment, in which the display system is located, is in a daytime mode or a nighttime mode.
3 more elements
A display system comprising:
- a EPD and LED matrix comprising electrophortetic display elements (EPDs) and light emitting display elements (LEDs) of the same numbers, and each of the EPDs is paired with a corresponding one of the LEDs;
- an LED driver and an EPD driver for driving the LEDs and EPDs respectively according to an environment, in which the display system is located, is in a daytime mode or a nighttime mode;
- and
- a center control unit adapted for:
- turning off the LEDs and using only the EPDs to display when the display system is in the daytime mode;
- and
- using both the LEDs and EPDs to display when the display system is in the nighttime mode.
4 more elements
Dependencies are inferred from the claim text.