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2. Hisense - Wikipedia

   en.wikipedia.org/wiki/Hisense

   Qingdao Number 2 Radio Factory, [15] the predecessor of Hisense Group, was established in September 1969. [6] [ Bell 2] The first product of the small factory was a radio sold under the brand name Red Lantern, but the company later gained the know-how to make TVs through a trial-production of black and white televisions ordered by the Shandong National Defense Office. [16]

3. Curtain - Wikipedia

   en.wikipedia.org/wiki/Curtain

   Typical curtains for a window Theatre curtains on a small stage (Canberra Albert Hall, 2016). A curtain is a piece of cloth or other material intended to block or obscure light, air drafts, or (in the case of a shower curtain) water. [1]

4. Window valance - Wikipedia

   en.wikipedia.org/wiki/Window_valance

   Window valances are also called window top treatments.The earliest recorded history of interior design is rooted in the renaissance Era, a time of great change and rebirth in the world of art and architecture, and much of this time saw understated, simple treatments, eventually moving towards more elaborate fabrics of multiple layers of treatments, including, towards the end of this period ...

5. Smart glass - Wikipedia

   en.wikipedia.org/wiki/Smart_glass

   This can be explained by the small over- potentials needed to drive the electrochemical reduction of the surface adsorbed viologens/chromogens. Most types of smart film require voltage (e.g. 110VAC) to operate, and therefore such types of smart films must be enclosed within glass, acrylic or polycarbonate laminates to provide electrical safety ...

6. Quantum dot display - Wikipedia

   en.wikipedia.org/wiki/Quantum_dot_display

   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 ...

7. R-value (insulation) - Wikipedia

   en.wikipedia.org/wiki/R-value_(insulation)

   Loose-fill insulation comes in loose fibers or pellets and should be blown into a space. Rigid foam is more expensive than fiber, but generally has a higher R-value per unit of thickness. Foam-in-place insulation can be blown into small areas to control air leaks, like those around windows, or can be used to insulate an entire house. [33]