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Complaints lodged with the BBB fell about 7%, to 927,000. In practical terms, those numbers suggest that more Americans are being smart about their shopping, looking into businesses' reputations ...
A widespread practical application is using quantum dot enhancement film (QDEF) layer to improve the LED backlighting in LCD TVs.Light from a blue LED backlight is converted by QDs to relatively pure red and green, so that this combination of blue, green and red light incurs less blue-green crosstalk and light absorption in the color filters after the LCD screen, thereby increasing useful ...
Consumer Reports (CR), formerly Consumers Union (CU), is an American nonprofit consumer organization dedicated to independent product testing, investigative journalism, consumer-oriented research, public education, and consumer advocacy.
When a quantum dot is illuminated by UV light, an electron in the quantum dot can be excited to a state of higher energy. In the case of a semiconducting quantum dot, this process corresponds to the transition of an electron from the valence band to the conduction band. The excited electron can drop back into the valence band releasing its ...
Sep. 28—Fake check scams affected more than 39,000 consumers or businesses in 2021, according to the Federal Trade Commission, and recently the nationwide issue hit locally as scammers targeted ...
In an email, the Green Dot spokesperson said the company was not required to respond to BBB complaints since it is not a formal regulatory body, and Green Dot had stopped paying the BBB in 2022.
Let the truth be known", the site allows competitors, and not just consumers, to post comments. The Ripoff Report home page also says: "Complaints Reviews Scams Lawsuits Frauds Reported, File your review. Consumers educating consumers", which allows a reasonable inference that the Ripoff Report encourages negative content.
Newer, so called "Comb lasers" based on quantum dot lasers have been found to be capable of operating at wavelengths of ≥ 80 nm and be unaffected by temperatures between -20 °C and 90 °C, and allow higher accuracy with reduced fluctuations and less relative intensity noise. [3] [4] In development are colloidal quantum dot lasers, which ...
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