laam4 gwong1藍光蓝光
Jyutpinglaam4 gwong1
Yalelàahm gwōng
Definition
Blue light; a general term for short-wavelength visible light often used in advertising.
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How it's used
Marketing campaigns for electronic devices often use this term to sell screen protectors or display features, even though the scientific consensus on the specific harm of blue light from screens is debated. It is frequently paired with health concerns regarding sleep quality and eye strain, making it a buzzword in the tech industry.
Examples
This TV has a blue light protection feature.
Be careful of blue light hurting your eyes if you stare at the screen for too long.
Related words
Common phrases
anti-blue light
blue light blocking glasses
Common mistake
Do not confuse this with the term for Blu-ray discs, which is also written as 藍光 in Chinese; context is essential to distinguish between the light spectrum and the optical disc format.
Grammar color guide
Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector
Grammar guides
- Directional complementsThe small words added after a verb to show direction of movement, like up, down, out, in, and back. Common in everyday Cantonese.
- DemonstrativesThis and that with 呢 and 嗰, the personal pronouns, and how 哋 turns I, you, and he into we, you all, and they.
- Resultative complementsSticking a result word onto a verb to show how it turned out, like eat until full or look and find. A productive everyday pattern.
