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What does CPP probably mean in the field of LCD mo...

생성일: 2025년 12월 12일

답변에 사용된 모델 GPT-5.1 Thinking by Chat01

질문

What does CPP probably mean in the field of LCD module's parts?

질문

What does CPP probably mean in the field of LCD module's parts?

사고

Identifying CPP as Cast Polypropylene in LCD module context

I’m getting better results now—“CPP” seems to refer to cast polypropylene (CPP) film, commonly used for protecting optical sheets in LCD backlight modules. Sources mention using this material in protecting parts like prism sheets, diffusers, and light guide plates. This is the most likely meaning the user is looking for!

Conclusion: CPP most likely means cast polypropylene in LCD modules

In the context of LCD modules, "CPP" most likely refers to "cast polypropylene," a type of protective film used for optical layers like prism sheets. While there are other uses, such as in chip packaging, in this parts list context, the protective film is the most

Thought for 1m 9s

답변

In the context of LCD module parts, CPP almost certainly means “Cast Polypropylene” (i.e., CPP film).

Why that’s the best bet:

  • Manufacturers of LCD/backlight parts sell “CPP protective film” specifically for LCD backlight modules, used to protect prism sheets, diffusers, light guide plates, and LCD panels. (Tongliop Tech)
  • These products are explicitly described as polypropylene (PP) film with base material CPP, used as optical or surface-protective layers in LCD / LED modules. (Lazada Singapore)
  • In the plastics/films industry, CPP is the standard abbreviation for “Cast Polypropylene” film. (Cloud Film)

So if you’re looking at a parts list or BOM for an LCD module and see an item labeled “CPP,” it’s very likely referring to a cast polypropylene film layer (often a protective or optical-related film in the backlight stack), not anything to do with the C++ programming language or chip process metrics.

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