Digital Display
The difference between the digital display frame and the analog digital frame
What’s the digital photo frame with analog panel? The digital frame with analog panel is the one uses the analog LCD screen. Principlely speaking, it comes with the RGB analog signal input. And its A/D converting is achieved through the circuit of the LCD screen.
How to distinguish the analog panel digital frame from the digital display frame? The display difference is centralised in the 7 inch frame and 8 inch digital frame. The screen of 7 inch digital frame comes with 480*234 resolution while the digital screen come with 800*480. The resolution of 8 inch frame with analog panel is 640*480 and 800*600 is for the 8 inch digital display frame.
If you are afraid to be cheated, you can judge whether a frame comes with analog panel or digital display in an intuitionistic manner. The analog panel gives you the feeling of watching TV. And the digital display is just like the computer monitor.
What’s the digital display frame? The digital display frame comes with direct digital signal input. Each RGB signal is processed to be a number of digital signals by video processing circuit. And the digital signals will be sent to the driver on the screen. The A/C converting is achieved in the circuit.
You may feel confused about the talk above. Simply speaking, the digital frame with digital display appears clearer than the frame with analog panel. It’s because that the resolution of digital display is higher than the one of analog frame. We’ve made comparisons above when we talk the digtal frame with analog panel.
Compared with the analog frame, twice digital and analog converting was omitted. For the analog panel, first the digital signal is converted to analog information which will be transmitted to the screen. And in the circuit of screen, the analog signal will be converted to digital signal for LCD panel. The loss of signal will be caused by each converting and the image quality will be affected.
As to the digital photo frames, both the 7 inch digtal display frame and analog panel frame are common on the market. But you may seldom see the 8 inch analog frame. Why? Because the cost of LCD screen production line is very high.
Once it was reported that 7.5 billion yuan is required for each forth generation production line, 10 billion for the fifth generation production line and 20 billion for the sixth generation. And 302 billion yuan is highly required for the seventh production line which is invested by Sharp.
The high investments and technical barriers are not easy to bear. At present, some countries and regions like Japan, Korea and Taiwai possess the mature technologies. The digital photo frame can only be designed with the LCD screen on the market.
However, don’t care it too much. This is also happened in the notebook and mobile phone field. As the 8 inch analog panel is less used, we seldom see the 8 inch digital photo frame with analog panel accordingly.
About the Author
Tracy is from chinazrh, an excellent china wholesale electronics supplier, which serves you the best wholesale consumer electronics including the 7 inch digital frame. Welcome to find more information about the digital photo frame you need and welcome your valuable suggestions.
RFTW – Digital Display
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