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  6. [Data] Analysis of SEG-LCD Panel Display Malfunction

[Data] Analysis of SEG-LCD Panel Display Malfunction

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last updated:Oct 05, 2023

アイテス
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We introduce case studies of comparative analysis conducted through chemical analysis, such as GC-MS analysis and ICP-AES analysis!

In the event of a display failure on a liquid crystal panel, it is necessary to clarify the cause in order to prevent recurrence. This document presents a case study comparing panel A, which exhibited display unevenness due to temperature stress, and panel B, which showed no display issues, through chemical analysis. Aites can investigate the cause through chemical analysis of the liquid crystal interior when initial analyses, such as observations, do not reveal any issues. We can also propose analytical methods tailored to the samples and objectives beyond the techniques mentioned here. [Contents] ■ Reliability testing (80°C / dry conditions / 1000 hours) ■ Liquid crystal GC-MS analysis ■ Metal element ICP-AES analysis within the liquid crystal ■ Summary *For more details, please refer to the PDF document or feel free to contact us.

    Analysis and prediction system
SEG-LCDパネル表示不良解析.png

[Data] Analysis of SEG-LCD Panel Display Malfunction

SEG-LCDパネル表示不良解析.png
SEG-LCDパネル表示不良解析.png
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Total Quality Technology Solutions

Total Quality Technology Solutions

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Total solution for the reliability of LCD displays.

Total solution for the reliability of LCD displays.

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Total support service for chemical analysis

Total support service for chemical analysis

OTHER
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Component Analysis: GC-MS Gas Chromatography Mass Spectrometer

Component Analysis: GC-MS Gas Chromatography Mass Spectrometer

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[Information] Liquid Crystal Materials and Their Analytical Techniques

[Information] Liquid Crystal Materials and Their Analytical Techniques

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GCMS analysis of liquid crystal components

GCMS analysis of liquid crystal components

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Institute of Chemical Reaction Mechanisms

Institute of Chemical Reaction Mechanisms

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LCD panel quality analysis

LCD panel quality analysis

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Defective analysis of LCD panels

Defective analysis of LCD panels

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Shall we clarify the molecular structure of organic compounds a bit more?

Shall we clarify the molecular structure of organic compounds a bit more?

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We assist in research and development with analysis and chemical reaction mechanisms!

We assist in research and development with analysis and chemical reaction mechanisms!

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Reliability testing of materials and chemical analysis evaluation after testing.

Reliability testing of materials and chemical analysis evaluation after testing.

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[Data] Analysis of SEG-LCD Panel Display Malfunctions

[Data] Analysis of SEG-LCD Panel Display Malfunctions

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[Data] FT-IR Analysis of Transparent Resin

[Data] FT-IR Analysis of Transparent Resin

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[Data] Degradation Analysis of Polarizing Film and Light Diffusing Film

[Data] Degradation Analysis of Polarizing Film and Light Diffusing Film

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[Data] IR Analysis of Vinyl Polymers (Resin Materials)

[Data] IR Analysis of Vinyl Polymers (Resin Materials)

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[Data] We will solve the cause of the issue from a chemical perspective.

[Data] We will solve the cause of the issue from a chemical perspective.

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Evaluation of TFT characteristics of liquid crystal panels

Evaluation of TFT characteristics of liquid crystal panels

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LCD Panel Analysis Data Collection

LCD Panel Analysis Data Collection

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Analysis of trace metal elements in liquid crystals

Analysis of trace metal elements in liquid crystals

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Analysis of defects in overseas manufactured displays.

Analysis of defects in overseas manufactured displays.

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Analysis of good quality overseas manufactured LCD displays

Analysis of good quality overseas manufactured LCD displays

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Analysis of trace metal elements in liquid crystals

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We will introduce a case where ICP measurement was conducted using panels before and after reliability testing, along with quantification. The liquid crystal molecules in an LCD are oriented within the panel, and the display is controlled by changes in the orientation state of the liquid crystal due to voltage. When ionic substances, such as metal elements, are present inside the panel, the liquid crystal does not operate correctly, leading to display defects. It is known that ionic substances can increase due to contamination during manufacturing or long-term use, making it important to quantify and understand them as part of panel quality. Metal ions can be quantitatively analyzed using ICP analysis, and depending on the differences in pretreatment methods and detection sensitivity, ICP-AES and ICP-MS are used selectively. [Analysis Content] ■ Comparison of metal element content using ICP-AES analysis ■ Comparison of metal element content using ICP-MS analysis For more details, please refer to the related products and catalog below.

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Aites was established in 1993, originating from the quality assurance department of the IBM Japan Yasu office. Based on the technical expertise cultivated through cutting-edge defect analysis and reliability assurance of electronic components at the IBM Japan Yasu office, we have provided various products and services that support the development and manufacturing of semiconductors, displays, organic EL, solar cells, and electronic components to customers both domestically and internationally.

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