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7V5\"\u002F>",{"wechat_cs_url":31,"wechat_cs_text":31,"announcement":31,"index_ad_enabled":6,"index_ad_image":32,"index_ad_url":32},"","https:\u002F\u002Fapi-image.tvlabs.cn\u002F2026\u002F05\u002F12\u002F6a02bbaeeeca8.png",{"id":34,"title":35,"avatar":36,"date":37,"view":38,"pin_top":6,"category":39,"summary":43,"snippet":44,"content":45,"related_products":46},195,"假量子点电视是什么？怎么识别？","https:\u002F\u002Fapi-image.tvlabs.cn\u002F2023\u002F12\u002F14\u002F657a9a0826a04.png","2024-05-27T13:44:28.456000+08:00",3158,{"id":40,"name":41,"name_english":42,"summary":31},3,"科普热评","popular-science","今天再给大家讲讲假量子点电视，然后教你们怎么识别这类产品。 我们智能电视选购网，录入了市面上上千款机型的详细参数，这些参数都是挨个人工调查的，但是调查的时候，就发现一些产品不对劲，明明海报上标了量子点…",null,"**今天再给大家讲讲假量子点电视，然后教你们怎么识别这类产品。**\n\n我们智能电视选购网，录入了市面上上千款机型的详细参数，这些参数都是挨个人工调查的，但是调查的时候，就发现一些产品不对劲，明明**海报上标了量子点，但是实际色域很低**，而且这类产品还越来越多了，需要消费者警惕\n\n![](https:\u002F\u002Fapi-image.tvlabs.cn\u002F2023\u002F12\u002F14\u002F657a9883b86b8.png)\n\n我们以前也专门买过这类产品，测试过色域范围和光谱，发现都跟普通荧光粉电视一样，实体店我们也带仪器去测过，也有这样的产品。在讲什么是假量子点电视之前，**我们先了解一下真量子点电视**\n\n真量子点电视会有一层封装了量子点材料的模，这种量子点材料，经过蓝色背光灯激发，会发出非常纯净的红光和绿光，加上背光灯的蓝光，就能让电视的色域非常高，可以达到98%DCI-P3，而且光谱也非常有识别度，红绿蓝三色光谱非常纯净。\n\n![](https:\u002F\u002Fapi-image.tvlabs.cn\u002F2023\u002F12\u002F14\u002F657a9915eb8fd.png)\n\n![](https:\u002F\u002Fapi-image.tvlabs.cn\u002F2023\u002F12\u002F14\u002F657a98f6c2b57.jpg)\n\n\n然后我们看一下普通的荧光粉广色域，一般来说色域能达到93%左右，比量子点材料要差一些，光谱的话是这样的，红绿蓝三色黏连，红色还有多个杂峰。\n\n![](https:\u002F\u002Fapi-image.tvlabs.cn\u002F2023\u002F12\u002F14\u002F657a997e18001.jpg)\n\n而**所谓的假量子点电视**，一来根本没有量子点电视特有的蓝色LED背光灯，二来量子点材料实际上是99%的荧光粉材料跟1%的量子点材料混合，虽然化学分析能检测到有物质，但是实际上根本没有发挥作用，所以这类假量子点材料色域范围也不高，只能达到90-93%DCI-P3，光谱也跟普通荧光粉电视一样。\n\n**量子点电视特有的蓝色LED背光灯**\n![](https:\u002F\u002Fapi-image.tvlabs.cn\u002F2023\u002F12\u002F14\u002F657a9ca318c6e.jpg)\n\n\n\n### 那么怎么识别这类产品呢？（三个条件都符合的）\n\n第一，2022年以后发布的国产机型（包括被国产品牌收购的国外品牌）\n\n第二，这类产品标了量子点，但是没有分区控光，亮度也不高。\n\n第三，价格相对便宜，85英寸甚至能做到五六千块钱\n\n所以大家看到价格很便宜的国产机型，标了量子点，要长个心眼，别为假量子点多花钱，如果你分不清，可以去[智能电视选购网](https:\u002F\u002Ftvlabs.cn\u002Findex)查一下，这类假量子点产品，我们都标记为荧光粉广色域的，避免消费者被忽悠。",[],{"left":4,"top":4,"width":5,"height":5,"rotate":4,"vFlip":6,"hFlip":6,"body":48},"\u003Cpath fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\" d=\"m9 18l6-6l-6-6\"\u002F>",{"left":4,"top":4,"width":5,"height":5,"rotate":4,"vFlip":6,"hFlip":6,"body":50},"\u003Cg fill=\"none\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2\">\u003Cpath d=\"M2.062 12.348a1 1 0 0 1 0-.696a10.75 10.75 0 0 1 19.876 0a1 1 0 0 1 0 .696a10.75 10.75 0 0 1-19.876 0\"\u002F>\u003Ccircle cx=\"12\" cy=\"12\" r=\"3\"\u002F>\u003C\u002Fg>"]