Analysis of good quality overseas manufactured LCD displays
If any issues arise, detailed analysis will also be provided! A simplified analysis for customers considering the introduction of overseas LCDs.
We will introduce the analysis of good products for liquid crystal displays by Aites Co., Ltd. First, we conduct optical microscope observations focusing on the FPC, FOG, COG, and sealing materials in the state of the cell panel as part of the appearance observation. Next, we dismantle the cell panel to check the sealing materials, PI film, and TFT shape. If any defects are found during the good product analysis, we will propose additional analyses such as cross-sectional observation of wiring and foreign matter analysis to investigate the cause. Please feel free to consult us when needed. [Contents of Appearance Observation] ■ Are there any corrosion or foreign matter on the FPC wiring? ■ Is there any issue with the FOG bonding? ■ Is there any issue with the COG bonding? ■ Are there any breaks or defects in the sealing material? *For more details, please refer to the PDF document or feel free to contact us.
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【Observation Content of Cell Disassembly Observation】 ■ Confirmation of the condition of the sealing material and PI film ■ Check for shape abnormalities, corrosion, or foreign substances in the pixel area TFT *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Observation of Conductive Particle Shape in COG Implementation
We will introduce the observation of the shape of conductive particles in COG implementation. ICs and liquid crystal panels are implemented using the COG method with ACF (anisotropic conductive film). A resin ball is used as the core, and a metal layer (such as nickel or gold) for conductivity is deposited on its surface. During connection, the particles deform appropriately to electrically connect the IC and the panel. To confirm the degree of particle deformation and connection status, cross-sectional observations were conducted, revealing that the particle deformation was at a "medium" level, indicating an appropriate degree of deformation. By examining the deformation of conductive particles from both the planar and cross-sectional directions, we can explore the correlation with display defects. Please feel free to contact us for any inquiries regarding panel-related defects.
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Analysis of good quality overseas manufactured LCD displays
We would like to introduce the analysis of good quality LCD displays from Aites Co., Ltd. First, we conduct optical microscope observations focusing on the FPC, FOG, COG, and sealing materials in the state of the cell panel as part of the appearance observation. Next, we disassemble the cell panel to check the sealing materials, PI film, and TFT shape. If any defects are found during the quality analysis, we will propose additional analyses such as cross-sectional observation of wiring and foreign matter analysis to investigate the causes. Please feel free to consult us when needed.
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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.