{
  "_meta": {
    "source_file": "certificates.json",
    "split_date": "2026-09-10",
    "index": 4,
    "total": 4,
    "original_bundle_meta": {
      "schema_version": "2.0.0",
      "schema_description": "Certifications database for Yizhen Films website. Source = official PDF test reports (authoritative).",
      "company": {
        "name_en": "Shenzhen Yizhen Technology Co., Ltd.",
        "name_zh": "深圳易臻科技有限公司",
        "website": "https://yizhenfilms.com",
        "business": "B2B manufacturer of screen protectors (Plexiglass, Hydrogel Film, Tempered Glass) and cutting machines"
      },
      "data_source": "PDF official test reports — SGS-CSTC Guangzhou Branch & TÜV Rheinland (Shanghai)",
      "language_notes": "Each certificate carries *_zh fields for Chinese localization",
      "generated_at": "2026-09-03",
      "field_conventions": {
        "dates": "ISO 8601 (YYYY-MM-DD) for *_iso fields; original PDF format preserved in *_display fields",
        "conclusion": "Pass / Fail — copied verbatim from PDF",
        "specimen": "PDF uses A-finished / B-finished; this is SGS terminology for production-grade finished products"
      }
    },
    "category_index_entry": null
  },
  "id": "cert-tuv-blue-red-shift",
  "type": "TUV",
  "category": "eye_protection",
  "label_en": "Blue-to-Red Light Shift",
  "label_zh": "蓝光转红光护眼",
  "title_en": "9H Plexiglass Blue to Red Light Shift Screen Protector — TÜV Rheinland Type Test Report",
  "title_zh": "9H 亚克力板 蓝光转红光护眼保护膜 — TÜV 莱茵型式测试报告",
  "report": {
    "no": "CN269NNH 001",
    "issue_date_iso": "2026-08-17",
    "issue_date_display": "2026-08-17",
    "pages": 8,
    "source_url": "https://yizhenfilms.com/wp-content/uploads/2026/08/TUV-Certification-Blue-to-Red-Light-shift-Screen-Protection.pdf",
    "local_file": "tuv_blue_red.pdf",
    "order_no": "326201284",
    "client_reference": "Quotation No. 24012658",
    "order_date": "2026-08-06",
    "tested_by": "Jason Yuan",
    "tested_by_role": "tested by (Sachverständige(r)/Expert)"
  },
  "client": {
    "name_en": "Shenzhen Yizhen Technology Co., Ltd.",
    "name_zh": "深圳易臻科技有限公司",
    "address": "Room 1814, Lingxingyu Technology Building, No. 298 Guangdian North Road, Dongzhou Community, Guangming street, Guangming, Shenzhen 518132 Guangdong P.R. China"
  },
  "sample": {
    "name": "9H Plexiglass Blue to Red Light Shift Screen Protector",
    "description": "Test sample engineering sample without serial numbers; sample info provided by customer"
  },
  "laboratory": {
    "name": "TÜV Rheinland (Shanghai) Co., Ltd.",
    "location": "Shanghai, China — Display Optical Research Centre",
    "authorized_signatory": {
      "name": "Jarree Jiang",
      "role": "Authorized by (Sachverständige(r)/Expert)"
    }
  },
  "test_summary": [
    {
      "no": 1,
      "test_item": "Blue Light Absorption Rate",
      "test_method": "As requested by manufacturer; integration 400–500 nm",
      "result": "10.00 %",
      "conclusion": "Pass"
    },
    {
      "no": 2,
      "test_item": "Conversion Efficiency",
      "test_method": "As requested by manufacturer; red emission 600–700 nm",
      "result": "33.00 %",
      "conclusion": "Pass"
    }
  ],
  "test_details": {
    "test_method_full": "Specified by the manufacturer (TÜV Rheinland Type Test)",
    "test_specification": "Specified by the manufacturer",
    "test_sample_no": "A004355945-001",
    "date_of_sample_receipt": "2025-08-05",
    "test_period": {
      "start": "2026-08-10",
      "end": "2026-08-10"
    },
    "test_conditions": {
      "ambient_temperature": "22.3 °C",
      "ambient_humidity": "65.3 %",
      "ambient_illumination": "0.1 lx",
      "equipment": "LMD (Luminance Measurement Device)"
    },
    "test_results": {
      "blue_light_absorption_rate": {
        "definition": "(Integrated Intensity of Blue Backlight - Integrated Intensity of Sample's Blue Light) / Integrated Intensity of Blue Backlight",
        "wavelength_range_nm": "400–500",
        "measured_value": "10.00 %",
        "conclusion": "Pass"
      },
      "conversion_efficiency": {
        "definition": "Integrated Intensity of Sample's Red Light / (Integrated Intensity of Blue Backlight - Integrated Intensity of Sample's Blue Light)",
        "blue_wavelength_range_nm": "400–500",
        "red_wavelength_range_nm": "600–700",
        "measured_value": "33.00 %",
        "conclusion": "Pass"
      }
    },
    "remarks": [
      "Testing and evaluation is based on standard blue light source provided by TÜV Rheinland (Shanghai).",
      "LMD (Luminance measurement device) used to measure vertically and frontally the spectral raw data at the center of standard blue light source before and after the UUT lamination.",
      "Two parameters have been evaluated as specified by the manufacturer."
    ]
  },
  "equipment_information": [],
  "overall_conclusion": "Pass",
  "appendix_notes": [
    "The test report only relates to the above mentioned test sample. Without permission of the test center this test report is not permitted to be duplicated in extracts.",
    "This test report does not entitle to carry any test mark.",
    "As contractually agreed, this document has been signed digitally only.",
    "The decision rule for statements of conformity is based on the 'Zero Guard Band Rule' and 'Simple Acceptance' in accordance with ILAC G8:2019 and IEC Guide 115:2023."
  ],
  "marketing_highlights_en": [
    "10.00 % blue light (400–500 nm) absorption rate",
    "33.00 % conversion efficiency into red light (600–700 nm)",
    "Type-tested by TÜV Rheinland (Shanghai) — Germany's leading independent certification authority"
  ],
  "marketing_highlights_zh": [
    "蓝光（400-500 nm）吸收率 10.00%",
    "转化为红光（600-700 nm）效率 33.00%",
    "由德国权威独立认证机构 TÜV 莱茵（上海）型式测试"
  ]
}