【物品用途】;本創作係為一種手持式電子裝置之保護背蓋之新式樣設計，係用於容置並保護手持式電子裝置。;【創作特點】;本創作手持式電子裝置之保護背蓋的本體係具有四圓角而呈近似矩形的外型，由前視圖觀之，該本體之前側面頂部係包含具有四圓角之一梯形構形，其構形為平行於該前側面頂部的側邊且具有一斜邊的直角梯形，其中，配合立體圖與左、右側視圖可見，於該梯形構形之斜邊處係凹陷形成有一弧面交界，而使本創作呈現斜向高低起伏之立體感；此外，再配合前、後視圖可見，該梯形構形中係包含平行其外型線條之一開口，再加上一斜切線延伸形成於該開口下方，並延伸穿越該梯形構形且平行於該斜邊，使該本體區分出上、下部份，其中上部分與下部份之交界的兩側係分別形成有圓弧面之切口，故本創作可如使用狀態參考圖所示，藉由軟質的上部份與硬質的下部份來容置手持式電子裝置；綜上所述，本創作係藉由梯形構形、開口及斜切線的線條設計，而突顯出獨特且豐富的層次感。;整體觀之，本創作之手持式電子裝置之保護背蓋係藉由前側面的梯形構形、平行該梯形構形之開口與平行梯形構形之斜邊的斜切線，結合兩側面凹陷之弧面交界，而突顯出本創作之新潮且兼具科技時尚品味的外觀設計，呈現有別於一般手持式電子裝置之背蓋並引人注目的造型風格。[Item Usage]; This creation is a new style design of a protective back cover for a handheld electronic device, which is used to accommodate and protect a handheld electronic device.; [Creation Features]; The main body of the protective back cover for a handheld electronic device in this creation has four rounded corners and is approximately rectangular in shape. From the front view, the top of the front side of the main body includes a trapezoidal structure with four rounded corners, and its structure is a right-angled trapezoid parallel to the side of the top of the front side and having a hypotenuse. Among them, it can be seen from the three-dimensional image and the left and right side views that the hypotenuse of the trapezoidal structure is concave to form an arc surface intersection, so that this creation presents a three-dimensional sense of oblique ups and downs; in addition, it can be seen from the front and rear views that the trapezoidal structure The shape includes an opening parallel to the outer shape line, and an oblique line extends below the opening and extends through the trapezoidal structure and is parallel to the oblique side, so that the main body is divided into an upper part and a lower part, wherein the two sides of the junction of the upper part and the lower part are respectively formed with arc-shaped cuts, so that the creation can accommodate a handheld electronic device through the soft upper part and the hard lower part as shown in the reference figure of the use state; in summary, the creation highlights a unique and rich sense of hierarchy through the line design of the trapezoidal structure, the opening and the oblique line. Overall, the protective back cover of the handheld electronic device of this creation is highlighted by the trapezoidal structure of the front side, the opening parallel to the trapezoidal structure and the beveled line parallel to the hypotenuse of the trapezoidal structure, combined with the concave arc interface of the two side surfaces, which highlights the trendy and technological fashion appearance design of this creation, presenting a different and eye-catching style from the back covers of ordinary handheld electronic devices.