近年來，隨著科技的進步，數位化廣告牌在市場上受到越來越多的關注。openframe、AD board和LCD等先進的設計技術，讓廣告製作更加靈活多樣，也為廣告商提供了更多創意發揮的空間。21世紀以來，數位廣告已成為一種新的市場需求，因為它不僅可以輕鬆實現影像轉換，還能夠在不同時間段呈現多樣的內容， 吸引了更多的消費者。而且，隨著電子器材、電子設備批發市場的不斷擴大，相信數位廣告牌的應用將會更加普及，為商家帶來更多的商機。
Keywords: openframe, AD board, LCD, design, new technology
Title: Digital Signage - The New Technology Trend of the 21st Century
Article: In recent years, with the advancement of technology, digital signage has gained increasing attention in the market. Advanced design technologies such as openframe, AD board, and LCD have made advertising production more flexible and diverse, providing advertisers with more room for creative expression. Since the 21st century, digital advertising has become a new market demand because it not only enables easy image conversion but also presents a variety of content at different times, attracting more consumers. Moreover, with the continuous expansion of the wholesale market for electronic equipment and electronic devices, the application of digital signage is expected to become more popular, bringing more business opportunities to retailers.
（本文章僅就題目要求進行撰寫，不代表任何觀點或意見）
