Dream OLED

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iPhone可能要用上双层OLED了,20周年能赶上吗?
Hu Xiu· 2025-08-17 03:34
Core Viewpoint - Apple is considering implementing dual-layer OLED technology, which was previously showcased in the iPad Pro, into its iPhone lineup, potentially aligning with the 20th anniversary of the iPhone in 2024 [1][3]. Group 1: Dual-layer OLED Technology - Dual-layer OLED, or stacked OLED technology, involves stacking two or more layers of OLED materials to enhance screen performance [6][10]. - This technology promises higher peak brightness and improved energy efficiency, leading to better battery life and display quality, especially in outdoor and HDR scenarios [11][19]. - The dual-layer OLED technology has already been adopted by other manufacturers like Huawei and Honor, indicating a trend towards making it a standard feature in flagship smartphones [4][5][18]. Group 2: Challenges and Production Issues - The production of dual-layer OLED screens faces significant challenges, including high material costs and the need for precise alignment during manufacturing [23][24]. - The technology's complexity can lead to issues with uniformity in brightness, which has been a historical problem with OLED displays [26][29]. - Despite the advantages, the high costs and production difficulties have limited the widespread adoption of dual-layer OLED screens, with only a few high-end models currently utilizing this technology [25][36]. Group 3: Future Prospects and Market Trends - The dual-layer OLED technology is seen as a transitional solution until more advanced display technologies, like micro-LED, become commercially viable [51][58]. - As manufacturers seek to reduce power consumption and enhance display quality, dual-layer OLEDs are positioned to meet these demands, making them attractive for various consumer electronics [57][60]. - The development of domestic supply chains for dual-layer OLED technology presents opportunities for local manufacturers, with companies like BOE already producing competitive products [63][64].
LG Display Becomes World's First to Verify Commercialization of Blue Phosphorescent OLED Panels
Prnewswire· 2025-05-01 01:00
Core Insights - LG Display has achieved a significant milestone by becoming the first company to verify the commercialization-level performance of blue phosphorescent OLED panels on a mass production line, marking a crucial step towards the realization of a "dream OLED" display [1][5]. Group 1: Technology and Innovation - The term "dream OLED" refers to an OLED panel that achieves phosphorescence for all three primary colors of light: red, green, and blue. Phosphorescence offers a luminous efficiency of 100% and consumes a quarter of the power compared to fluorescence, which has a luminous efficiency of only 25% [2]. - Achieving blue phosphorescence has been a challenge for over 20 years due to its shorter wavelength and higher energy requirements compared to red and green [3]. - LG Display has developed a hybrid two-stack Tandem OLED structure that combines blue fluorescence in the lower stack and blue phosphorescence in the upper stack, resulting in approximately 15% less power consumption while maintaining stability [4]. Group 2: Commercialization and Market Impact - LG Display has successfully reached the commercialization stage of blue phosphorescent OLED panels, confirming performance evaluation, optical characteristics, and processability on actual mass production lines [5]. - The company plans to showcase its blue phosphorescent OLED panel featuring two-stack Tandem technology at the SID Display Week 2025, indicating its commitment to innovation in the display market [6][7]. - The application of blue phosphorescence technology is expected to expand rapidly, particularly in high-definition and high-efficiency products such as AI PCs and AR/VR devices [7]. Group 3: Future Outlook - The successful commercialization of blue phosphorescence technology is viewed as a milestone towards the next generation of OLED displays, with expectations for LG Display to secure a leading position in the future display market [8].