雷曼光电：目前主要专注于LED超高清显示及LED照明业务

Core Viewpoint - Lehman Optoelectronics is focusing on LED ultra-high-definition display and LED lighting business, establishing a comprehensive ecosystem of LED products and solutions [2] Group 1: Business Focus - The company is primarily engaged in LED ultra-high-definition display and LED lighting [2] - It has developed a full range of LED products including LEDMAN ultra-high-definition display screens, smart conference/education interactive screens, ultra-high-definition home giant screens, creative display products, and smart lighting products [2]