Analysis of trace metal elements in liquid crystals

Depending on the panel size, it is possible to analyze using different ICP-AES/MS devices!

We will introduce a case where ICP measurement was conducted using panels before and after reliability testing, and quantification was performed. 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/MS is 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 PDF document or feel free to contact us.

• Other analytical equipment

We provide comprehensive support for customers facing reliability issues with overseas manufactured LCD displays, from reliability testing to failure analysis and material analysis.

Unreliable LCD displays are causing problems in the market. At Aites, we solve our customers' reliability issues by conducting reliability testing design and visual inspections before and after testing, leveraging our extensive experience and state-of-the-art equipment. Furthermore, we provide support from failure mode classification to failure analysis and material analysis.

• Other analytical equipment

A clear explanation of Aites' technological capabilities analyzed from molecular structures, accompanied by diagrams and tables!

This document introduces an example of an analytical method for molecular structure analysis. It includes structural analysis using IR and Raman for liquid crystal polymers (LCP), TIC data from GC-MS analysis of low molecular weight liquid crystals (for LCD), as well as detected substances, presented with figures and tables. For analysis at the quantum level, please consult the technical group "Aites," known for their extensive expertise. 【Contents (excerpt)】 ■ Liquid Crystal Polymers (LCP) ■ Structural analysis of LCP (fully aromatic polyamide) ■ Structural analysis using IR ■ Structural analysis using Raman ■ Structural analysis using XPS (ESCA) *For more details, please refer to the PDF document or feel free to contact us.

• others

Comparison of components in liquid crystal panels using gas chromatography-mass spectrometry (GC-MS) is published!

This document introduces a comparison of components in PC monitors and digital clocks using gas chromatography-mass spectrometry (GC-MS). Liquid crystal displays contain small organic substances (liquid crystal molecules). These have evolved into molecular structures suitable for product characteristics due to technological innovations. Our company clarifies these differences at the molecular level using GC-MS, allowing us to confirm that the liquid crystal molecules are appropriate for their intended use and to check for the presence of impurities. [Contents] ■ Comparison of components in PC monitors and digital clocks using GC-MS ■ Case studies of GC-MS analysis of liquid crystal components We compared the number of components and characteristics of segment-type liquid crystal displays (digital clocks) and color TFT liquid crystal displays (PC monitors). *For more details, please refer to the PDF document or feel free to contact us.

• Other services and technologies

Check the quality status of LCD components and products! We will analyze the structures of the LCD panel using our analytical methods and expertise!

At AITES, we conduct quality analysis of LCD components/products, confirming the quality status of products based on our expertise in LCD technology. The target panels include SEG-LCD, AM-LCD (a-Si TFT / LTPS TFT), OLED for automotive, monitors, mobile devices, and more. We perform quality analysis using our analytical methods on the various structures of liquid crystal panels. 【Analysis Details (Excerpt)】 <Reliability/Lighting Tests> ■ Classification - Reliability Testing - Lighting Inspection ■ Analytical Methods - Oven Drive Testing - Visual Inspection *For more details, please refer to the PDF document or feel free to contact us.

• Other analytical equipment

We will narrow down the defective areas through lighting confirmation, panel disassembly, and optical microscope observation!

We provide a defect diagnosis menu for LCD panels, from confirming defects to identifying causes and conducting detailed defect analysis. In the initial analysis, we perform a status check (lighting test), panel disassembly, and optical microscope observation, tailored to the defect symptoms. In the detailed analysis, we propose suitable methods such as surface analysis, cross-sectional analysis, and component analysis based on the diagnosis results from the initial analysis. It is also possible to speculate on the defect occurrence mechanism, including narrowing down the production processes that caused the defects. 【Analysis Content】 ■ Initial Analysis - Conducted based on the status check (lighting test), panel disassembly, and optical microscope observation, tailored to the defect symptoms. - Narrowing down from broad areas such as cell panels and surrounding circuits to finer details. ■ Detailed Analysis (additional analysis fees apply) - Proposing suitable methods such as surface analysis, cross-sectional analysis, and component analysis based on the diagnosis results from the initial analysis. - Speculating on the defect occurrence mechanism, including narrowing down the production processes that caused the defects. *For more details, please refer to the PDF document or feel free to contact us.

• Other analytical equipment

We detect and analyze the atomic emission that occurs when an atom returns from an excited state to its ground state!

In ICP emission spectroscopic analysis, multiple metal elements contained in a sample can be detected simultaneously. This document introduces examples of the analysis of trace metal elements contained in liquid crystals. It includes the principles and overview of ICP-AES analysis as well as measurement examples. Please feel free to contact us regarding the sample state or the elements to be analyzed. [Contents] ■ Principles and overview of ICP-AES analysis ■ Measurement example: Qualitative analysis of metal elements in liquid crystal panels using ICP-AES *For more details, please refer to the PDF document or feel free to contact us.

• Analysis and prediction system

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

We can perform good product characteristic measurements for performance verification, as well as defective characteristic measurements and reliability evaluations!

Our company is capable of conducting performance verification through good characteristic measurements, defective characteristic measurements, and reliability evaluations for specific TFTs in LCD panels. In the "Electrical Characteristic Measurement of TFTs at Various Temperatures," we can disassemble the monitor in display mode and perform electrical characteristic measurements on the pixel TFTs within the panel. In the "DC Bias Stress Test," we apply an arbitrary DC bias to the Gate and Drain and measure the Vth shift when stress is applied to the TFT, thereby confirming reliability. 【Features】 <Electrical Characteristic Measurement of TFTs at Various Temperatures> ■ Electrical characteristic measurements can be performed on the pixel TFTs within the panel. ■ Measurements can be conducted before and after annealing, under light exposure, heating, or cooling conditions. ■ From the measurement results, indicators such as Ion, Ioff, Vth, and mobility can be calculated. ■ Confirmation of actual values in good product analysis and clarification of defect causes can be performed. *For more details, please refer to the PDF document or feel free to contact us.

• Measurement and Inspection

Rich in equipment and expertise! We will elucidate the molecular structures of various materials through chemical equipment analysis!

There are various types of liquid crystal materials, including low molecular weight compounds used in LCD panels and high molecular weight polymers used in printed circuit boards and electronic components. We will introduce examples of analyzing the molecular structures of these low molecular weight liquid crystals and high molecular weight liquid crystals (LCP). Our company, equipped with a wealth of devices and expertise, can handle reliability testing and analytical analysis not only for liquid crystal materials but also for various other materials. Please feel free to consult us regarding the understanding of molecular structures of imported goods and materials, as well as troubleshooting issues. 【Case Study Content】 ■ Molecular structure analysis using FT-IR ■ Understanding of surface functional groups (molecular groups) through XPS (ESCA) analysis ■ Example of LCD liquid crystal material analysis using GC-MS *For more details, please refer to the PDF document or feel free to contact us.

• Other analytical equipment
• Measurement and Analysis Equipment

We propose analytical methods tailored to materials and purposes! Here are examples of chemical analysis for each component, such as liquid crystals and sealing materials.

Liquid crystal displays use various organic materials, including liquid crystals, sealing materials, encapsulants, and polarizers. Considering the material properties and degradation mechanisms of each component from a chemical perspective is important for product evaluation and failure analysis. This document presents examples of chemical analyses for the components of liquid crystal displays. [Examples of Chemical Analysis] - FT-IR: Principal component analysis - EDX: Elemental analysis - GCMS: Liquid crystal component analysis - HS-GCMS: Outgassing analysis (degradation analysis), among others *For more details, please refer to the PDF document or feel free to contact us.

• Measurement and Inspection
• Measurement and Analysis Equipment
• Other services and technologies

To customers considering the introduction of vehicle detection sensors for parking lot construction, design, or management: Are you facing any challenges with current issues or selecting the right sensors for parking management? Hotron offers free materials that explain how to utilize vehicle detection sensors and the benefits of their introduction! ▽ Here is the lineup of materials ◉ Vehicle Detection Sensor Basic Guide This guide focuses on the challenges and solutions in parking lot operations, introducing the overview of vehicle detection sensors. ◉ Key Points for Introducing Vehicle Detection Sensors This material discusses the benefits of introduction based on installation locations and specific challenges. ◉ Case Studies of Vehicle Detection Sensor Implementation This document presents the challenges before implementation and the results after introduction. For more details, please download from our website and check it out. https://www.hotron.co.jp/download/

Starting from October 2025, Panasonic's indoor units for office and store air conditioners will be renewed! In this renewal, all models will come standard with "100 times nanoe X." This not only enhances comfort with commercial air conditioning but also contributes to improving air quality. Additionally, improvements in installation efficiency to enhance on-site work productivity and a strengthened lineup to accommodate diverse spaces have been implemented. The new indoor units are equipped with high concentrations of nanoe X as standard! They demonstrate a high effectiveness in purifying indoor air during air conditioner operation, providing a safer and more comfortable environment for office and store users and employees. Furthermore, the center of the suction inlet and the center of the hanging bolt have been unified. This allows for the combined use of canvas ducts and panels, improving installation efficiency. If you have any questions or would like a quote, please feel free to contact us. We will fully support you in replacing your commercial air conditioning!

Kort Valuta Inc. (Head Office: Shibuya, Tokyo; CEO: Hideki Shibata) is pleased to announce that we will hold our next recruitment event, “Kort Valuta Night,” on November 26, 2025. This recurring event offers an opportunity for potential candidates to casually learn about our company culture and team atmosphere before applying. By lowering the barrier to entry and providing authentic insights from current employees, the event helps participants gain a more concrete sense of what it’s like to work at Kort Valuta. Since the event’s launch, approximately ten attendees have gone on to join the company in a range of roles — including marketing, customer support, and backend engineering.

Our company has been awarded the "Minister of the Environment Award for Climate Change Action for Fiscal Year 2025." This award is presented annually by the Ministry of the Environment to honor individuals and organizations that have made significant contributions to the mitigation and adaptation of climate change. Our efforts to balance energy conservation and comfort through "Akarina," as well as the initiatives we have undertaken together with the companies that have adopted it, have been recognized. We sincerely thank everyone who has supported and adopted Akarina for their invaluable assistance.

We are pleased to announce the development of the vehicle passage time prediction system "MS-VPP," which measures the speed of vehicles approaching construction sites using microwave sensors and informs the predicted passage time through signage and tablets. This system will be available to construction contractors starting in November 2025. ■Product Overview - "MS-VPP" detects vehicles approaching construction sites and measures their speed using microwave sensors, displaying the vehicle speed and the predicted passage time at specified locations on signage and tablets. It can also measure and display data for vehicles passing continuously. - The data control panel connected to the microwave sensor transmits the vehicle speed data and calculated passage prediction time via LTE. By utilizing microwave sensors, it enables accurate detection and speed measurement of vehicles even at night or in bad weather, and since data processing occurs on the receiving side without going through the cloud, information can be displayed without any time lag. - As a result, drivers of construction vehicles exiting from construction entrances and workers directing traffic can understand "how many seconds until a vehicle passes near the site entrance," thereby implementing safety measures in areas with poor visibility.