Rainbow Corporation: ITC ruled that it is a preliminary ruling result. The company's substrate glass is still in the research and development stage in the semiconductor packaging field.

Rainbow Co., Ltd. issued an abnormal trading announcement, with the closing prices of the company's stock deviating by more than 20% on April 8, April 9, and April 10, 2026, three consecutive trading days, which falls under the category of abnormal stock trading volatility according to the rules of the Shanghai Stock Exchange. The company noted that some media reports indicated that on April 7, 2026, the company received the preliminary ruling of case 337-TA-1441 from the U.S. International Trade Commission, which determined that the company's "616" new glass substrate, developed independently, does not infringe upon Corning's patents in the United States. This ruling is currently a preliminary decision, and the company will continue to follow the administrative review and final ruling procedures according to ITC regulations, and will respond in compliance with the law. The company also noted that some media have categorized the company under the "glass substrate packaging concept." One of the company's main businesses is the production and sales of glass substrates for displays, with its main customers being LCD panel manufacturers. The company is constantly analyzing, tracking, and researching the market for glass substrates in the semiconductor packaging field, which is still in the research and development stage and has not yet introduced any products for testing in related fields.