Monochrome LCDs of reflective mode have emerged as an ideal display solution for the power-sensitive applications due to their unique advantages of being backlight-free and low-power consumption.

However,  traditional reflective LCDs often suffer from a yellowish or grayish background color that compromises visual quality. The super white background solution addresses this pain point through technological and material innovation.

I. Factors Influencing Background Color in Monochrome Reflective LCDs

The display principle of reflective LCDs relies on ambient light reflection, and their background color is determined by the following core components and processes:

• Liquid Crystal Materials:

Different types of liquid crystal materials exhibit distinct optical properties. For instance, TN (Twisted Nematic) and FSTN (Film-compensated Super Twisted Nematic) modes have varying molecular arrangements and optical responses. TN liquid crystals offer faster response times but may have limitations in contrast ratio and viewing angle. In contrast, FSTN liquid crystals excel in contrast ratio and viewing angle performance. These properties directly influence how LCDs modulate ambient light, thereby affecting the background color presentation.

• Polarizer Performance:

Polarizers are crucial components for controlling the polarization direction of light. Their transmittance, polarization degree, and selective transmission capabilities for different wavelengths of light all impact the background color of LCDs. High-quality polarizers can more effectively filter and control light, resulting in a purer and clearer background color.

II. Application Demands for Super White Background LCD Solution

With the advancement of technology and rising consumer expectations for product experiences, the super white background LCD solution has demonstrated strong application demands across various fields, such as:

Smart Home Appliances (e.g., Rice Cookers)

The smart and aesthetic evolution of rice cookers has led to a growing demand for super white background LCD displays. These displays offer clearer and more visually appealing presentations. For example, in high-end rice cooker products, super white glass panels paired with LCD displays not only clearly display cooking modes, time, temperature, and other information but also complement the cooker's sleek and modern design, enhancing the overall product quality.

Electronic Shelf Labels (ESLs) and Retail Terminals

Electronic shelf labels require long-term display of price information with low power consumption. Choosing super white background LCDs not only provides an aesthetic resemblance to traditional paper labels but also ensures high contrast with white backgrounds and black text, attracting consumer attention and improving information transmission efficiency.

III. Shenfeng's Super White background LCD Solutions

Leveraging its technological expertise in TN/FSTN fields, Shenfeng has launched super white background LCD solutions to help clients gain a competitive edge in visual experience within the market.