NEC invents transparent organic EL lighting panel


According to a report on March 11, NEC Lighting developed an organic EL lighting panel that is as transparent as glass. The manufacturing process is to replace the aluminum electrode on the glass substrate with a transparent ITO (indium tin oxide) film used in the smart phone touch panel.

Is it good to judge the cable's good or bad price?

When selecting a power cable, the price of wire and cable is the only criterion for judging the quality of the cable. The answer is of course negative. Many people say that the price of a certain cable company is high, and that a certain brand is two points lower than yours... Let's analyz