1320751 c < - 九、發明說明： 【發明所屬之技術領域】 本發明是有關於一種可徺式顯示器成型方法，特別是 有關於一種適合貼附於曲面之可撓式顯示器成型方法。 【先前技術】 隨著科技的進步，原先笨重的陰極射線管顯示器，已 逐漸被輕薄的液晶顯示器所取代，而隨著需求的不斷演 進，兼具厚度超薄、低耗電等多項優良特性的可撓式顯示 器也已被開發出來，其中電泳顯示器（EPD)即為其中一 -種具備多項優良特性的可撓式顯示器。 第一圖顯示一可撓式顯示器模組的剖面示意圖。可撓 式顯示器並不限定為電泳顯示器，也可以是其他形式的可 撓式顯示器，下列說明僅以電泳顯示器為例進行說明。該 可撓式顯示器模組100包含一顯示層110與一軟性基板層 120，當可撓式顯示器模組100為一電泳顯示器（EPD) 時，顯示層110為一電泳顯示層，而軟性基板層120為一 軟性電路板層，該顯示層110與該軟性基板層120之間具 有一黏著層130用以貼合該顯示層110與該軟性基板層 120。顯示層110包含透明導體層111、腔袋層112、密 封層113以及圖形顯示導體層114，其中腔袋層112具 1320751 有複數之腔袋1121，且腔袋1121内具有不透明液體 1122與懸浮於不透明液體1122内的彩色帶電粒子 ' 1123。當在腔袋1121的上方施加一電壓時，彩色帶電粒 : 子1123就會漂移至腔袋1121的上方，而顯示出圖形， 並且在施加反向電壓之前會停留於原位，既使關電也可保 持圖形。 • 當前述之可撓式顯示器模組100應用於曲面時，通常 會在可撓式顯示器模組100的背面加上背膠或貼上雙面膠 帶，直接將該可撓式顯示器模組100貼附於曲面上，此時 顯示層110與軟性基板層1.20之間的拉扯常會影響顯示的 品質，甚至造成黏著層130的破壞，而使顯示層110與軟 性基板層120之間產生剝離，造成可撓式顯示器模組100 的損壞。 鑑於上述習知技術所存在的缺點，有必要提出一種可 撓式顯示器成型方法，藉以解決可撓式顯示器模組貼附於 曲面時，顯示層與軟性基板層之間拉扯影響顯示品質的問 題，同時避免可撓式顯示器模組貼附於曲面時產生損壞。 【發明内容】 13207511320751 c < - 9. Description of the Invention: [Technical Field] The present invention relates to a moldable display molding method, and more particularly to a flexible display molding method suitable for attaching to a curved surface. [Prior Art] With the advancement of technology, the original bulky cathode ray tube display has been gradually replaced by a thin and light liquid crystal display, and with the continuous evolution of demand, it has many excellent characteristics such as ultra-thin thickness and low power consumption. Flexible displays have also been developed, of which electrophoretic displays (EPD) are one of the flexible displays with several excellent features. The first figure shows a schematic cross-sectional view of a flexible display module. The flexible display is not limited to an electrophoretic display, and may be other forms of flexible display. The following description is only taking an electrophoretic display as an example. The flexible display module 100 includes a display layer 110 and a flexible substrate layer 120. When the flexible display module 100 is an electrophoretic display (EPD), the display layer 110 is an electrophoretic display layer and the flexible substrate layer 120 is a flexible circuit board layer, and an adhesive layer 130 is disposed between the display layer 110 and the flexible substrate layer 120 for bonding the display layer 110 and the flexible substrate layer 120. The display layer 110 includes a transparent conductor layer 111, a pocket layer 112, a sealing layer 113, and a graphic display conductor layer 114. The pocket layer 112 has 1320751 having a plurality of pockets 1121, and the cavity bag 1121 has an opaque liquid 1122 and is suspended therein. Colored charged particles '1232 in opaque liquid 1122. When a voltage is applied across the pocket 1121, the colored charged particles: the sub-1231 will drift above the pocket 1121, showing a pattern and staying in place before applying a reverse voltage, even turning off the electricity. You can also keep the graphics. • When the flexible display module 100 is applied to a curved surface, a back cover or a double-sided tape is usually applied to the back of the flexible display module 100 to directly attach the flexible display module 100. Attached to the curved surface, the pulling between the display layer 110 and the flexible substrate layer 1.20 often affects the quality of the display, and even causes the damage of the adhesive layer 130, causing peeling between the display layer 110 and the flexible substrate layer 120, resulting in Damage to the flex display module 100. In view of the shortcomings of the above-mentioned prior art, it is necessary to provide a flexible display molding method for solving the problem that the display layer and the flexible substrate layer are pulled to affect the display quality when the flexible display module is attached to the curved surface. At the same time, it avoids damage when the flexible display module is attached to the curved surface. SUMMARY OF INVENTION 1320751
本發明的目的在於提供一種可撓式顯示器成型方法， 藉以解決可撓式顯示器模組貼附於曲面時，顯示層與軟性 基板層之間拉扯影響顯示品質的問題，同時避免可撓式顯 示器模組貼附於曲面時產生損壞。 本發明揭露一種可撓式顯示器成型方法，該可撓式顯 示器成型方法包含：提供一可撓式顯示器模組，該可撓式 顯示器模組包含一顯示層、一黏著層以及一軟性基板層， • 該黏著層設置於該顯示層與該軟性基板層之間，用以貼合 該顯示層與該軟性基板層；藉由一成型模具使該可撓式顯 示器模組成型，該成型模具具有一第一曲面以及與第一曲 -面相對應的第二曲面，可撓式顯示器模組夹持於第一曲面 與第二曲面之間，藉由該成型模具提供之一製程條件而成 型。 本發明的功效在於藉由本發明之可撓式顯示器成型方 法，不但可以解決可撓式顯示器模組貼附於A面時，顯示 層與軟性基板層之間拉扯影響顯示品質的問題，同時也可 以避免可撓式顯示器模組貼附於曲面時產生損壞。上述可 撓式顯示器模組並不限定為電泳顯示器，也可以是其他形 式的可撓式顯示器。 【實施方式】 本發明的一些實施例將詳細描述如下。然而，除了如 下描述外，本發明還可以廣泛地在其他的實施例施行，且 1320751The object of the present invention is to provide a flexible display molding method for solving the problem that the display layer and the flexible substrate layer are pulled to affect the display quality when the flexible display module is attached to the curved surface, and the flexible display mode is avoided. Damage occurs when the group is attached to a surface. The invention discloses a flexible display molding method. The flexible display molding method comprises: providing a flexible display module, the flexible display module comprising a display layer, an adhesive layer and a flexible substrate layer. The adhesive layer is disposed between the display layer and the flexible substrate layer for bonding the display layer and the flexible substrate layer; the flexible display module is molded by a molding die, and the molding die has a The first curved surface and the second curved surface corresponding to the first curved surface, the flexible display module is clamped between the first curved surface and the second curved surface, and is formed by the molding die providing a process condition. The effect of the present invention is that the flexible display molding method of the present invention can solve the problem that the display layer and the flexible substrate layer can affect the display quality when the flexible display module is attached to the A surface, and can also solve the problem of the display quality. Avoid damage when the flexible display module is attached to the surface. The above flexible display module is not limited to an electrophoretic display, and may be other types of flexible displays. [Embodiment] Some embodiments of the present invention will be described in detail below. However, the present invention can be widely practiced in other embodiments in addition to the following description, and 1320751
I I L · . 本發明的範圍並不受實施例之限定，其以之後的專利範圍 為準。再者，為提供更清楚的描述及更易理解本發明，圖 ' 式内各部分並沒有依照其相對尺寸繪圖，某些尺寸與其他 : 相關尺度相比已經被誇張；不相關之細節部分也未完全繪 出，以求圖式的簡潔。 第二A圖顯示根據本發明一較佳實施例之可撓式顯示 m 器成型方法的流程圖。可撓式顯示器成型方法200包含下 列步驟： 步驟210表示提供一可撓式顯示器模組，該可撓式顯 •示器模組包含一顯示層與一軟性基板層，當可撓式顯示器 模組為一電泳顯示器（EPD )時，顯示層為一電泳顯示層， 而軟性基板層則為一軟性電路板層，且該顯示層與該軟性 基板層之間具有一黏著層用以貼合該顯示層與該軟性基板 層0 • 步驟220表示藉由一成型模具使該可撓式顯示器模 組成型，該成型模具具有一第一曲面以及與第一曲面相對 應的第二曲面，可撓式顯示器模組夾持於第一曲面與第二 曲面之間，藉由該成型模具提供之一製程條件而成型。 步驟230表示將該可撓式顯示器模組冷卻，而形成一 -具有曲面之可撓式顯示器模組。 前述製程條件包含一溫度條件，該溫度條件需大於黏 著層的玻璃轉化溫度（Tg)，藉以使該黏著層重新貼合顯示 1320751 層與軟性基板層，而形成一具有曲面之可撓式顯示器模 組。根據本實施例，黏著層的玻璃轉化溫度約為攝氏40 °C，前述之溫度條件約介於攝氏45°C至50°C，但並不以 此為限，當黏著層的材料變更時，成型的溫度條件也需進 行變更。另外根據本實施例，藉由成型模具施加一壓力於 可撓式顯示器模組，可協助可撓式顯示器模組的成型，本 實施例中壓力條件約介於1公斤/平方公分至10公斤/平方 公分，但並不以此為限，當可撓式顯示器模組變更時，成 型的壓力條件也需進行變更。 利用本發明之可撓式顯示器成型方法，可形成一具有 曲面之可撓式顯示器模組，當該可撓式顯示器模組貼附於 -曲面時，顯示層與軟性基板層之間不會產生拉扯而影響顯 示品質，同時也可以避免可撓式顯示器模組貼附於曲面時 產生損壞。 第二B圖顯示第上A圖中，成型模具的剖面示意圖。 該成型模具300包含一上模310以及一下模320。該上 模310具有一第一曲面311，且第一曲面311具有一第 一緩衝墊312;該下模320具有一與第一曲面相對應的第 二曲面321，且第二曲面321具有一第二緩衝墊322。 當可撓式顯示器模組100夹持於第一曲面311與第 二曲面321之間時，上述之第一緩衝墊312與第二緩衝墊 322可使該可撓式顯示器模組100與成型模具300之間 ^320751 的壓力均勻，根據本實施例，前述之第一緩衝墊312與第 二緩衝墊322可使用矽橡膠（Silicon Rubber)製成，作 並=以此為限，也可以使用其他具有彈性的材料。另外^ 型杈具300具有至少一加熱器，用以將提供前述溫度 2要的熱量，加熱器的設置需參考可撓式顯示器^ 〇巧成㈣具300的多項特性進行料，藉以使可後= 間時；：勻的持加於熱第-曲面311與第二曲面321之 利用本發明之可撓式顯示器成型模具，可形成-具有 ;面之可撓式㈣轉組，當該可撓絲示ϋ模組貼附於 曲㈣’齡魏基板層口林會產认㈣影響顧 ”·>貢不器模組貼附於曲面時 示品質，同時也可以避免可撓式 產生損壞。 第三Α圖顯示根據本發明 示器成型方法的流程圖。誃可诗4·/父;^實施例之可撓式顯 含下列步驟： 人〜式顯示器成型方法400包 ^模組，其中該顯示層與該軟挽 用以貼合該顯示層與該軟性基板層。θ之間具有一黏耆> 步驟420表示一成型步驟，該 模具使該可撓式顯示器模$ # /驟係错由一成: 曲面以及與第-曲面相以=成型模具具有-第， 紕爽持於第一曲面與第二曲面 ，，可撓式顯不器; 之間’精由該成型模具提, 1320751 之一製程條件而成型而形成一具有曲面之可撓式顯示器模 組。 前述之可撓式顯示器成型方法400,可包含一預先成 型步驟415，該預先成型步驟介於該壓合步驟410與該成 型步驟420之間，該預先成型步驟415係藉由至少一對成 型滚輪，使該可撓式顯示器模組變形，其中該成型滾輪係 設置於該壓合滚輪之後。 前述之可撓式顯示器成型方法400，可包含一裁切步 • 驟418，該裁切步驟418設置於該成型步驟420之前， 用以將該可撓式顯示器模組裁切成適當的長度。 前述製程條件包含一溫度條件，該溫度條件需大於黏 著層的玻璃轉化溫度（Tg)，藉以使該黏著層重新貼合顯 示層與一軟性基板層，而形成一具有曲面之可撓式顯示器 模组。根據本實施例，黏著層的玻璃轉化溫度約為攝氏40 °C，前述之溫度條件約介於攝氏45°C至50°C，但並不以 此為限，當黏著層的材料變更時，成型的溫度條件也需進 φ 行變更。另外根據本實施例，藉由成型模具施加一壓力於 可撓式顯示器模組，可協助可撓式顯示器模組的成型，本 實施例中壓力條件約介於1公斤/平方公分至10公斤/平 方公分，但並不以此為限，當可撓式顯示器模組變更時， 成型的壓力條件也需進行變更。 利用本發明之可撓式顯示器成型方法，可形成一具有 曲面之可撓式顯示器模組，當該可撓式顯示器貼附於曲面 時，顯示層與電路板層之間不會產生拉扯而影響顯示品 11 1320751The scope of the present invention is not limited by the examples, which are subject to the scope of the following patents. Furthermore, in order to provide a clearer description and a better understanding of the present invention, the various parts of the drawings are not drawn according to their relative dimensions, and some dimensions have been exaggerated compared to others: the relevant scale; the unrelated details are not Completely drawn to make the schema simple. Figure 2A is a flow chart showing a method of forming a flexible display in accordance with a preferred embodiment of the present invention. The flexible display molding method 200 includes the following steps: Step 210: providing a flexible display module, the flexible display module comprising a display layer and a flexible substrate layer, wherein the flexible display module In the case of an electrophoretic display (EPD), the display layer is an electrophoretic display layer, and the flexible substrate layer is a flexible circuit board layer, and an adhesive layer is disposed between the display layer and the flexible substrate layer for attaching the display. Layer and the flexible substrate layer 0. Step 220: Forming the flexible display module by a molding die having a first curved surface and a second curved surface corresponding to the first curved surface, the flexible display The module is clamped between the first curved surface and the second curved surface, and is formed by the molding die providing a process condition. Step 230 represents cooling the flexible display module to form a flexible display module having a curved surface. The process conditions include a temperature condition that is greater than a glass transition temperature (Tg) of the adhesive layer, whereby the adhesive layer is re-applied to display the layer 1320751 and the flexible substrate layer to form a flexible display module having a curved surface. group. According to the embodiment, the glass transition temperature of the adhesive layer is about 40 ° C, and the aforementioned temperature condition is about 45 ° C to 50 ° C, but not limited thereto. When the material of the adhesive layer is changed, The molding temperature conditions also need to be changed. In addition, according to the embodiment, the molding of the flexible display module can be assisted by applying a pressure to the flexible display module by the molding die. In this embodiment, the pressure condition is about 1 kg/cm 2 to 10 kg/ Square centimeters, but not limited to this, when the flexible display module is changed, the molding pressure conditions also need to be changed. By using the flexible display molding method of the present invention, a flexible display module having a curved surface can be formed. When the flexible display module is attached to the curved surface, the display layer and the flexible substrate layer are not generated. Pulling affects the display quality, and it also prevents damage when the flexible display module is attached to the curved surface. Fig. 2B is a schematic cross-sectional view showing the molding die in the upper A drawing. The molding die 300 includes an upper die 310 and a lower die 320. The upper mold 310 has a first curved surface 311, and the first curved surface 311 has a first cushion 312; the lower mold 320 has a second curved surface 321 corresponding to the first curved surface, and the second curved surface 321 has a first surface Two cushions 322. When the flexible display module 100 is sandwiched between the first curved surface 311 and the second curved surface 321 , the first cushion 312 and the second cushion 322 can make the flexible display module 100 and the molding die According to the embodiment, the first cushion 312 and the second cushion 322 can be made of silicone rubber, and can be used as the limit. Flexible material. In addition, the type of cookware 300 has at least one heater for supplying the heat of the aforementioned temperature 2. The setting of the heater needs to be referred to the flexible display, and the plurality of characteristics of the flexible display (4) 300 are used for material feeding. = between the time; the uniform holding of the hot first surface 311 and the second curved surface 321 using the flexible display molding die of the present invention, can form - have; face flexible (four) transfer, when the flexible The wire ϋ module is attached to the song (4) 'When the base layer of the layer of the forest will be recognized (4) the influence of Gu ···; the tribute module is attached to the surface to show the quality, but also can avoid the damage caused by the flexible. The third diagram shows a flow chart of the method for molding the device according to the present invention. The flexible method of the embodiment includes the following steps: a human-type display molding method 400 package module, wherein The display layer and the soft pull are used to fit the display layer and the flexible substrate layer. θ has a paste between the steps θ. Step 420 represents a molding step of causing the flexible display module to be erroneously From 10%: the surface and the surface of the first surface = the molding die has - the first, the 纰 持A curved surface and a second curved surface, the flexible display device; is formed by a molding process, and is formed by a process condition of 1320751 to form a flexible display module having a curved surface. The display molding method 400 can include a pre-forming step 415 between the pressing step 410 and the forming step 420, the pre-forming step 415 being made flexible by at least one pair of forming rollers The display module is deformed, wherein the forming roller is disposed behind the pressing roller. The flexible display molding method 400 may include a cutting step 418, and the cutting step 418 is disposed in the molding step 420. Previously, the flexible display module is cut to an appropriate length. The process conditions include a temperature condition that is greater than a glass transition temperature (Tg) of the adhesive layer to reattach the adhesive layer. The display layer and a flexible substrate layer form a flexible display module having a curved surface. According to the embodiment, the glass transition temperature of the adhesive layer is about 40 ° C, the foregoing The temperature condition is about 45 ° C to 50 ° C, but not limited thereto. When the material of the adhesive layer is changed, the temperature conditions of the molding are also changed by φ. Further, according to the embodiment, by molding The mold applies a pressure to the flexible display module to assist in the molding of the flexible display module. In this embodiment, the pressure condition is about 1 kg/cm 2 to 10 kg/cm 2 , but this is not When the flexible display module is changed, the molding pressure condition also needs to be changed. With the flexible display molding method of the present invention, a flexible display module having a curved surface can be formed, when the flexible type When the display is attached to the curved surface, there is no pulling between the display layer and the circuit board layer, which affects the display product 11 1320751
I ί » 質’同時也可以避免可撓式顯示器貼附於曲面時產生損 壞。上述可撓式顯示器並不限定為電、_ 冰顯不器，也可以是 ' 其他形式的可撓式顯示器。 第三Β圖顯示第三Α圖中，成型模具的剖面示意圖。 該成型模具500包含一加熱器510、至少一壓合滾輪52〇 以及至少-成型滾輪530。加熱器51〇係用以對顯示層 • 110與軟性基板層12〇進行加熱，其溫度條件需大於黏著 層130的玻璃轉化溫度（Tg);然後由壓合滾輪52〇對顯 示層110與軟性基板層120進行壓合，而使黏著層13〇 貼合顯示層110與軟性基板層120;接著由成型滾輪53〇 對顯示層110與軟性基板層120加壓，使其成為具有曲面 之可撓式顯示器模組1〇〇。 籲 前述略具有曲面之可撓式顯示器模組1〇〇可進—步 送入第一 B圖中成型模具3〇〇進行成型，而得到具有曲面 之可撓式顯示器模組10〇。由於本實施例令成型模具5〇〇 •係以連續方式進㈣合與成型，要將可撓式顯示器模組 100送人成型模具獅可採用寸動的方式進行，或是 可撓式顯示器模組⑽裁切成適當的長度，再送入成 具 300 〇 、I ί » quality also prevents damage to the flexible display when it is attached to a curved surface. The above flexible display is not limited to electric, ice display, or other forms of flexible display. The third diagram shows a schematic cross-sectional view of the forming mold in the third drawing. The forming die 500 includes a heater 510, at least one press roller 52A, and at least a forming roller 530. The heater 51 is used to heat the display layer 110 and the flexible substrate layer 12, and the temperature condition is greater than the glass transition temperature (Tg) of the adhesive layer 130; then the display layer 110 is softened by the pressing roller 52. The substrate layer 120 is pressed, and the adhesive layer 13 is bonded to the display layer 110 and the flexible substrate layer 120. Then, the display layer 110 and the flexible substrate layer 120 are pressed by the molding roller 53 to make the curved surface flexible. Display module 1〇〇. The flexible display module 1 having a slightly curved surface can be further fed into the forming mold 3 of the first drawing B to form a flexible display module 10 having a curved surface. Since the present embodiment allows the molding die 5 to be combined and formed in a continuous manner, the flexible display module 100 can be sent to a molding die. The lion can be in an inching manner or a flexible display module. Group (10) is cut to the appropriate length and fed into the assembly 300 〇,
12 1320751 利用本發明之可撓式顯示器成型模具，可形成一具有 曲面之可撓式顯示器模組，當該可撓式顯示器貼附於曲面 時，顯示層與軟性基板層之間不會產生拉扯而影響顯示品 質，同時也可以避免可撓式顯示器貼附於曲面時產生損. 壞。上述可撓式顯示器並不限定為電泳顯示器，也可以是 其他形式的可撓式顯示器。 上述之實施例僅係為說明本發明之技術思想及特點， 其目的在使熟悉此技藝之人士能了解本發明之内容並據以 實施，當不能以之限定本發明之專利範圍，即凡其他未脫 離本發明所揭示精神所完成之各種等效改變或修飾都涵蓋 在本發明所揭露的範圍内，均應包含在下述之申請專利範 圍内。12 1320751 The flexible display molding die of the present invention can form a flexible display module with a curved surface. When the flexible display is attached to a curved surface, no pulling between the display layer and the flexible substrate layer occurs. It affects the display quality, and it also prevents damage when the flexible display is attached to the curved surface. The above flexible display is not limited to an electrophoretic display, and may be another form of flexible display. The embodiments described above are only for explaining the technical idea and the features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the contents of the present invention and to implement the invention. Various equivalent changes or modifications may be made without departing from the spirit and scope of the invention, and are intended to be included within the scope of the invention.
s 13 1320751 【圖式簡單說明】 第一圖顯示一可撓式顯示器模組的剖面示意圖。 第二A圖顯示根據本發明一較佳實施例之可撓式顯示 -器成型方法的流程圖。 第二B圖顯示第二A圖中，成型模具的剖面示意圖。 第三A圖顯示根據本發明另一較佳實施例之可撓式顯 示器成型方法的流程圖。 第三B圖顯示第三A圖中，成型模具的剖面示意圖。 【主要元件符號說明】 100可撓式顯示器模組 110 顯示層 111 透明導體層 112腔袋層 113 密封層 114圖形顯示導體層 120軟性基板層 130黏著層 200可撓式顯示器成型方法 210提供一可撓式顯示器模組 220藉由一成型模具使該可撓式顯示器模組成型 230冷卻該可撓式顯示器模組 300成型模具 310上模 311 第一曲面 312 第一緩衝墊 320下模 14 1320751 321 第二曲面 322 第二緩衝墊 400 可撓式顯示器成型方法 410 壓合步驟 415 預先成型步驟 418 裁切步驟 420 成型步驟 500 成型模具 510 加熱器 520 壓合滚輪 530 成型滾輪 1121腔袋 1122不透明液體 1123彩色帶電粒子s 13 1320751 [Simple description of the diagram] The first figure shows a schematic cross-sectional view of a flexible display module. Figure 2A is a flow chart showing a method of forming a flexible display device in accordance with a preferred embodiment of the present invention. The second B diagram shows a schematic cross-sectional view of the molding die in the second A drawing. Figure 3A is a flow chart showing a method of forming a flexible display in accordance with another preferred embodiment of the present invention. The third B diagram shows a schematic cross-sectional view of the molding die in the third A diagram. [Main component symbol description] 100 flexible display module 110 display layer 111 transparent conductor layer 112 cavity layer 113 sealing layer 114 graphic display conductor layer 120 flexible substrate layer 130 adhesive layer 200 flexible display molding method 210 provides The flexible display module 220 molds the flexible display module by a molding die 230 to cool the flexible display module 300, the molding die 310, the upper mold 311, the first curved surface 312, the first cushion 320, the lower mold 14 1320751 321 Second curved surface 322 second cushion 400 flexible display molding method 410 pressing step 415 pre-forming step 418 cutting step 420 molding step 500 forming mold 510 heater 520 pressing roller 530 forming roller 1121 cavity bag 1122 opaque liquid 1123 Colored charged particles
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