Question

The display lights used in modern electronic devices are
(a) single crystal.
(b) liquid crystal.
(c) diode.
(d) semi conductor.​

Answer 1

Answer:

liquid crystal

I guess

Answer 2

The display lights used in modern electronic devices are single crystal.

Explanation:

• A single-crystal, or mono crystalline, solid is a material in which the crystal lattice of the entire sample is continuous and unbroken to the edges of the sample, with no grain boundaries.

• The opposite of a single crystal is an amorphous structure where the atomic position is limited to short range order only. The thin-film single crystal silicon is used to form a pixel matrix array of thin-film transistors which actuate each pixel of an LCD.
• CMOS circuitry that is highly suitable for driving the panel display can be formed in the same thin-film material in which the transistors have been formed.
• The circuitry is capable of being fully interconnected to the matrix array using thin-film metallization techniques without the need for wires and wire bonding.

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