JP2008017402A - Folding type mobile phone terminal - Google Patents

Folding type mobile phone terminal Download PDF

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JP2008017402A
JP2008017402A JP2006189110A JP2006189110A JP2008017402A JP 2008017402 A JP2008017402 A JP 2008017402A JP 2006189110 A JP2006189110 A JP 2006189110A JP 2006189110 A JP2006189110 A JP 2006189110A JP 2008017402 A JP2008017402 A JP 2008017402A
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light
liquid crystal
lid
mobile phone
guide plate
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JP4687904B2 (en
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Naomichi Takahashi
直道 高橋
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NEC Corp
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NEC Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To expand a light-emitting range around a sub liquid crystal display section without increasing a light-emitting means such as an LED in a folding type mobile phone including the sub liquid crystal display section on an outer lateral side of a lid. <P>SOLUTION: On a lid back part 102a, a radio wave receiving status or a party from whom a call arrives, can be confirmed by a sub liquid crystal display section 104 in a folded state. Within a case of a lid 102, a light transmission plate formed to surround the sub liquid crystal display section 104 is disposed and by making light of the LED incident from a lateral side of the light transmission plate, the light transmission plate is uniformly emitted. Since a light-emitting range 105 of the light transmission plate on the back part 102a is composed of a transparent body, when the light of the LED is made incident to the light transmission plate in call arrival, light is outputted from the periphery of the sub liquid crystal display section 104. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、折畳み型携帯電話端末の発光部に関する。   The present invention relates to a light emitting unit of a folding cellular phone terminal.

携帯電話端末は、使い勝手の良さから、キー操作部を含む電話機本体と表示部を含む蓋部とが二つ折りに重ね合わせられる折畳み型が主流となっている。折畳み型携帯電話は、電話機本体上面に重ねた蓋部を開くと蓋部内側面のメイン液晶画面を見られる構造になっている。特に、最近の折畳み型携帯電話は、折畳んだ状態でも電波受信状況や掛かってきた相手を確認できるように蓋部外側面（蓋部背面）のサブ液晶画面を備えたものが殆どである。また、外部からの着信があった場合はサブ液晶画面の着信表示とともに、ＬＥＤなどの発光手段の発光により着信を視覚的に知らせている。   A mobile phone terminal is mainly a folding type in which a telephone main body including a key operation unit and a lid including a display unit are overlapped in two because of ease of use. The foldable mobile phone has a structure in which a main liquid crystal screen on the inner side surface of the lid can be seen by opening the lid overlapped on the upper surface of the telephone body. In particular, most recent foldable mobile phones are provided with a sub-liquid crystal screen on the outer side of the lid (back of the lid) so that the reception status of the radio wave and the other party can be confirmed even when folded. Further, when an incoming call is received from the outside, the incoming call is visually notified by the light emission of light emitting means such as an LED together with the incoming call display on the sub liquid crystal screen.

一方、着信を知らせるための発光エリアについてみると、蓋部外側面の比較的小さな一ヶ所を光らせる端末が多い。しかしながら、最近では着信時の発光によるエンターテイメント性を高めるために、発光する範囲を大きくしている端末が発売されている。   On the other hand, with regard to the light emitting area for notifying incoming calls, there are many terminals that emit a relatively small spot on the outer surface of the lid. However, recently, in order to enhance entertainment characteristics by light emission at the time of incoming call, a terminal having a larger light emission range has been released.

発光する範囲を大きくするためにはＬＥＤを多数使用することで容易に実現できるが、部品コストが高くなってしまう。これに対し、導光板を用いた点灯方式ではコストを抑えて構成できることが知られている（特許文献１）。しかし、従来の折畳み型携帯電話ではサブ液晶画面によって導光板の大きさが制限を受けてしまい、サブ液晶表示部の適用と発光範囲を拡大することとの両立が困難であった。これについて図３を参照して説明する。   In order to increase the light emission range, it can be easily realized by using a large number of LEDs, but the cost of the components becomes high. On the other hand, it is known that a lighting method using a light guide plate can be configured with reduced costs (Patent Document 1). However, in the conventional folding type mobile phone, the size of the light guide plate is limited by the sub liquid crystal screen, and it is difficult to achieve both the application of the sub liquid crystal display unit and the expansion of the light emission range. This will be described with reference to FIG.

図３は、従来の折畳み型携帯電話のヒンジ部品３０１を折畳んだ状態における、サブ液晶表示部３０２を備えた蓋部３０３の背面側を示す図である。この図に示すように、ＬＥＤ３０４ａ，３０４ｂによる導光板の発光範囲３０５は、サブ液晶表示部３０２の配置位置により大きさが制限されてしまうため、発光範囲を大きく広げることができない。
特開２００１−２９２２０６号公報 FIG. 3 is a view showing the back side of the lid portion 303 having the sub liquid crystal display portion 302 in a state in which the hinge part 301 of the conventional foldable mobile phone is folded. As shown in this figure, the light emission range 305 of the light guide plate by the LEDs 304a and 304b is limited in size by the arrangement position of the sub liquid crystal display unit 302, and thus the light emission range cannot be greatly expanded.
JP 2001-292206 A

本発明は、上記従来技術の課題に鑑みてなされたものであり、その目的は、蓋部外側面にサブ液晶表示部を有する折畳み型携帯電話において、ＬＥＤなどの発光手段を増やすことなく、サブ液晶表示部周辺の発光範囲を拡大することにある。   The present invention has been made in view of the above-mentioned problems of the prior art, and the object thereof is a foldable mobile phone having a sub liquid crystal display unit on the outer surface of the cover unit, without increasing the number of light emitting means such as LEDs. The purpose is to expand the light emission range around the liquid crystal display.

本発明は、電話機本体に対して開閉自在に連結された蓋部を備え、該蓋部の内側面だけでなく外側面にも表示機能を持つ折畳み型携帯電話端末に関する。そして、上記課題を解決するために、上記の蓋部の内部に、蓋部の外側面に向けて情報表示する表示パネルと、該表示パネルを露出させる窓穴が開けられた導光板と、該導光板の側面に向けて光を発光する発光素子とを有する。さらに、蓋部の外側面の、導光板の発光範囲に対応する部分が光透過性素材で構成されている。   The present invention relates to a foldable mobile phone terminal that includes a lid that is openably and closably connected to a telephone body, and that has a display function on the outer side as well as the inner side of the lid. In order to solve the above problems, a display panel for displaying information toward the outer surface of the lid, a light guide plate having a window hole for exposing the display panel, A light emitting element that emits light toward the side surface of the light guide plate. Furthermore, the part of the outer surface of the lid corresponding to the light emission range of the light guide plate is made of a light transmissive material.

このような構成では、導光板に表示パネルを露出させる窓穴を開けたことにより、表示パネルの周囲に導光板を配置できるので、蓋部の外側面の表示部周辺の発光範囲が広がる。これにより、着信時の発光によるエンターテイメント性を一層高めることが可能になる。   In such a configuration, since the light guide plate can be disposed around the display panel by opening the window hole for exposing the display panel to the light guide plate, the light emission range around the display portion on the outer surface of the lid portion is widened. As a result, it is possible to further enhance entertainment characteristics by light emission at the time of incoming call.

また、上記のような携帯電話端末において、表示パネルを露出させる窓穴が設けられた反射板を有し、該反射板が、導光板の表示パネル側の面に配置されていることが好ましい。   In addition, the mobile phone terminal as described above preferably includes a reflection plate provided with a window hole for exposing the display panel, and the reflection plate is disposed on the surface of the light guide plate on the display panel side.

さらに、表示パネルと発光素子の制御回路とを実装する回路基板をさらに備えたものが考えられる。また、表示パネルには液晶表示パネルを、発光素子にはＬＥＤを用いることができる。   Further, it may be possible to further include a circuit board on which a display panel and a light emitting element control circuit are mounted. Further, a liquid crystal display panel can be used for the display panel, and an LED can be used for the light emitting element.

以上説明したとおりの本発明によれば、蓋部の内側面だけでなく外側面にも表示機能を持つ折畳み型携帯電話端末において、ＬＥＤなどの発光手段を増やすことなく、蓋部外側面の表示部周辺の発光範囲を拡大することができる。   According to the present invention as described above, in the folding mobile phone terminal having a display function not only on the inner side surface but also on the outer side surface, the display on the outer side surface of the lid portion can be performed without increasing the number of light emitting means such as LEDs. The light emission range around the part can be expanded.

以下、本発明の実施の形態について図面を参照して説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図１は本発明の実施形態による折畳み状態の携帯電話を、サブ液晶表示部を備えた蓋部の斜め上方から見た外観図である。図２は、図１に示した、サブ液晶表示部を備えた蓋部の分解図である。但し、図２には本発明に関連する部分のみを示している。   FIG. 1 is an external view of a cellular phone in a folded state according to an embodiment of the present invention as viewed obliquely from above a lid portion provided with a sub liquid crystal display portion. FIG. 2 is an exploded view of the lid provided with the sub liquid crystal display unit shown in FIG. However, FIG. 2 shows only the part related to the present invention.

図１に示すように、本実施形態の携帯電話端末は、キー操作部を含む電話機本体１０１（第一の筐体）と、表示部を含む蓋部１０２（第二の筐体）とがヒンジ１０３により二つ折りに重ね合わせられる折畳み型となっている。蓋部１０２の背面部１０２ａにはカメラ用レンズ１０６が設けられ、これにより、電話機本体１０１に対して蓋部１０２を開いた状態で、カメラ用レンズ１０６による画像を蓋部前面（内側面）の不図示のメイン液晶画面で見ながら撮影可能になっている。   As shown in FIG. 1, in the mobile phone terminal of the present embodiment, a telephone main body 101 (first casing) including a key operation unit and a lid 102 (second casing) including a display unit are hinged. 103 is a folding type that is overlapped in two. A camera lens 106 is provided on the back surface 102 a of the lid 102, so that an image of the camera lens 106 can be displayed on the front (inner side) of the lid with the lid 102 opened with respect to the telephone body 101. Shooting is possible while viewing on a main liquid crystal screen (not shown).

蓋部の背面部（外側面）１０２ａは、折畳み状態において電波受信状況や掛かってきた相手をサブ液晶表示部１０４により確認できるようになっている。そして、その背面部１０２ａにおけるサブ液晶表示部１０４の周囲（図中斜線部）が着信時などに発光する。なお、図中の点線は、後述する導光板の発光範囲１０５を示している。   The back surface (outer surface) 102a of the lid is configured to allow the sub liquid crystal display unit 104 to confirm the radio wave reception status and the other party that has been engaged in the folded state. Then, the periphery of the sub liquid crystal display unit 104 (shaded portion in the figure) on the back surface portion 102a emits light when receiving an incoming call. In addition, the dotted line in a figure has shown the light emission range 105 of the light-guide plate mentioned later.

さらに、図２を参照して詳述すると、蓋部１０２は、開いた状態において電話機の前面側となる不図示のフロントケースと、開状態で電話機の背面側となるリアケース２０１とを接合してなる筐体である。   Further, in detail with reference to FIG. 2, the lid 102 joins a front case (not shown) which is the front side of the telephone in the opened state and a rear case 201 which is the rear side of the telephone in the opened state. It is a case.

蓋部１０２の内部には、リアケース２０１に近い側から順番に、ＬＥＤ用基板２０８、ホルダー２１０、回路基板２１４が配設されている。   Inside the lid portion 102, an LED substrate 208, a holder 210, and a circuit substrate 214 are disposed in order from the side closer to the rear case 201.

回路基板２１４のリアケース２０１側の面には、カメラ２１１やサブ液晶パネル２１２、およびＬＥＤ２０５ａ〜２０５ｄの点灯制御を行うＬＥＤ制御回路２１３と、ＬＥＤ用基板２０８と接続するためのコネクタ２０６ａが実装されている。このような回路基板２１４はホルダー２１０と固定される。   On the surface of the circuit board 214 on the rear case 201 side, an LED control circuit 213 that controls lighting of the camera 211, the sub liquid crystal panel 212, and the LEDs 205a to 205d, and a connector 206a for connecting to the LED board 208 are mounted. ing. Such a circuit board 214 is fixed to the holder 210.

ホルダー２１０には、回路基板２１４上のサブ液晶パネル２１２を露出させるサブ液晶表示用窓穴２０９が開口している。   The holder 210 has a sub liquid crystal display window hole 209 that exposes the sub liquid crystal panel 212 on the circuit board 214.

ホルダー２１０のリアケース２０１側の面には、ＬＥＤ基板２０８、反射板２０４、導光板２０３がこの順番で積層されて固定されている。ＬＥＤ基板２０８、反射板２０４、導光板２０３の夫々には、サブ液晶パネル２１２の表示内容を視認できるように、サブ液晶表示用窓穴２０７が設けられている。   On the surface of the holder 210 on the rear case 201 side, an LED substrate 208, a reflection plate 204, and a light guide plate 203 are laminated and fixed in this order. A sub liquid crystal display window hole 207 is provided in each of the LED substrate 208, the reflection plate 204, and the light guide plate 203 so that the display content of the sub liquid crystal panel 212 can be visually recognized.

ＬＥＤ用基板２０８にはＬＥＤ２０５ａ〜２０５ｄが実装されると共に、基板接続用のコネクタ２０６ｂが実装されている。ＬＥＤ用基板２０８に実装されたコネクタ２０６ｂは、回路基板２１４に実装されたコネクタ２０６ａと接続され、ＬＥＤ点灯回路が構成される。   LEDs 205a to 205d are mounted on the LED substrate 208, and a connector 206b for connecting the substrate is mounted. The connector 206b mounted on the LED board 208 is connected to the connector 206a mounted on the circuit board 214, thereby forming an LED lighting circuit.

ＬＥＤ２０５ａ〜２０５ｄの光を効率良く導光板２０３に入力するために、各ＬＥＤ２０５ａ，２０５ｂ，２０５ｃ，２０５ｄの発光面は導光板２０３と水平な方向に対向し、各ＬＥＤ２０５は導光板２０３の側面の近くに配置される。また、図中の下方向への光の漏れを無くすために、反射板２０４が導光板２０３とＬＥＤ基板２０８の間に配置されている。   In order to efficiently input the light from the LEDs 205 a to 205 d to the light guide plate 203, the light emitting surface of each LED 205 a, 205 b, 205 c, 205 d faces the light guide plate 203 in the horizontal direction, and each LED 205 is near the side surface of the light guide plate 203. Placed in. In addition, a reflection plate 204 is disposed between the light guide plate 203 and the LED substrate 208 in order to eliminate light leakage downward in the drawing.

ＬＥＤ２０５ａ〜２０５ｄが発光すると、光は導光板２０３の側面から入射し、導光板２０３内に広がることで導光板２０３の全体を均一に光らせることになる。そして、導光板２０３の発光は確認窓２０２を通してリアケース２０１の外部に出力される。   When the LEDs 205a to 205d emit light, the light enters from the side surface of the light guide plate 203 and spreads in the light guide plate 203, so that the entire light guide plate 203 is illuminated uniformly. Light emitted from the light guide plate 203 is output to the outside of the rear case 201 through the confirmation window 202.

リアケース２０１における確認窓２０２は、導光板２０３からの光をケース外部に透過できるように、導光板２０３の発光範囲（導光板２０３の４辺で囲まれる範囲）に対応する部分を光透過性素材で構成したものである。この光透過性素材は透明体が考えられ、サブ液晶パネル２１２の表示色や導光板２０３の発光色を変えない場合は無色・透明な材料であることが好ましい。   The confirmation window 202 in the rear case 201 has a light-transmitting portion corresponding to the light emission range of the light guide plate 203 (the range surrounded by the four sides of the light guide plate 203) so that the light from the light guide plate 203 can be transmitted to the outside of the case. It is composed of materials. The light transmissive material may be a transparent material, and is preferably a colorless and transparent material when the display color of the sub liquid crystal panel 212 and the light emission color of the light guide plate 203 are not changed.

以上の構成において、ユーザは、サブ液晶パネル２１２の表示内容を、窓穴２０９と２０７、および確認窓２０２を通して確認することができる。   In the above configuration, the user can confirm the display content of the sub liquid crystal panel 212 through the window holes 209 and 207 and the confirmation window 202.

一方、着信が検出された場合、ＬＥＤ制御回路２１３からの信号によりＬＥＤ２０５ａ〜２０５ｄが点灯制御される。ＬＥＤ２０５ａ〜２０５ｄの光は上述したように、導光板２０３を経由し確認窓２０２を通してリアケース２０１の外部に出力される。   On the other hand, when an incoming call is detected, lighting of the LEDs 205a to 205d is controlled by a signal from the LED control circuit 213. As described above, the lights of the LEDs 205a to 205d are output to the outside of the rear case 201 through the light guide plate 203 and the confirmation window 202.

なお、ＬＥＤ２０５ａ〜２０５ｄの発光色は単色でも良いが、Ｒｅｄ／Ｇｒｅｅｎ／Ｂｌｕｅなどの多色ＬＥＤを使用して制御を行うことで、発光時の色を多彩に変えることも可能である。   Note that the emission color of the LEDs 205a to 205d may be a single color, but by controlling using a multicolor LED such as Red / Green / Blue, it is possible to change the color at the time of emission in various ways.

また、図２に示した部品を組み立てた折畳み型携帯電話の外観図が図１である。この図に示すように、電話機が着信などを検出した際、サブ液晶表示部１０４で表示内容が確認できるとともに、サブ液晶表示部１０４周囲（図中斜線部）が発光する。つまり、蓋部背面部１０２ａにサブ液晶表示部１０４を有する折畳み型携帯電話であっても、背面部１０２の広範囲が発光し、着信時の発光によるエンターテイメント性を高めることができる。   FIG. 1 is an external view of a foldable mobile phone in which the components shown in FIG. 2 are assembled. As shown in this figure, when the telephone detects an incoming call or the like, the display content can be confirmed on the sub liquid crystal display unit 104, and the periphery of the sub liquid crystal display unit 104 (shaded portion in the figure) emits light. That is, even in the case of a foldable mobile phone having the sub-liquid crystal display unit 104 on the cover back surface portion 102a, a wide area of the back surface portion 102 emits light, and entertainment characteristics due to light emission at the time of incoming call can be improved.

尚、本発明の携帯電話の発光部に採用した導光板方式は、発光範囲をＥＬライトで照光する方式と比べて、回路構成が簡単にできるという利点もある。ＥＬライトに必要な昇圧回路が不要になるからである。   Note that the light guide plate method employed in the light emitting unit of the mobile phone of the present invention has an advantage that the circuit configuration can be simplified as compared with the method in which the light emission range is illuminated with an EL light. This is because a booster circuit necessary for EL light is not necessary.

本発明の実施形態による折畳み状態の携帯電話を、サブ液晶表示部を備えた蓋部の斜め上方から見た外観図である。It is the external view which looked at the mobile phone of the folding state by embodiment of this invention from diagonally upward of the cover part provided with the sub liquid crystal display part. 本発明の実施形態による折畳み型携帯電話における、サブ液晶表示部を備えた蓋部の分解図である。FIG. 5 is an exploded view of a lid provided with a sub liquid crystal display unit in a folding cellular phone according to an embodiment of the present invention. 従来の折畳み型携帯電話のヒンジを折畳んだ状態における、サブ液晶表示部を備えた蓋部背面側を示す図である。It is a figure which shows the cover part back side provided with the sub liquid crystal display part in the state which folded the hinge of the conventional folding type mobile telephone.

符号の説明Explanation of symbols

１０１ 電話機本体
１０２ 蓋部
１０２ａ 背面部
１０３ ヒンジ
１０４ サブ液晶表示部
１０５ 導光板の発光範囲
１０６ カメラ用レンズ
２０１ リアケース
２０２ 確認窓
２０３ 導光板
２０４ 反射板
２０５ａ〜２０５ｄ ＬＥＤ
２０６ａ、２０６ｂ コネクタ
２０７、２０９ サブ液晶表示用窓穴
２０８ ＬＥＤ用基板
２１０ ホルダー
２１１ カメラ
２１２ サブ液晶パネル
２１３ ＬＥＤ制御回路
２１４ 回路基板 DESCRIPTION OF SYMBOLS 101 Telephone main body 102 Cover part 102a Back surface part 103 Hinge 104 Sub liquid crystal display part 105 Light emission range of a light guide plate 106 Camera lens 201 Rear case 202 Confirmation window 203 Light guide plate 204 Reflective plates 205a-205d LED
206a, 206b Connectors 207, 209 Sub liquid crystal display window 208 LED board 210 Holder 211 Camera 212 Sub liquid crystal panel 213 LED control circuit 214 Circuit board

Claims (5)

電話機本体に対して開閉自在に連結された蓋部を備え、該蓋部の内側面だけでなく外側面にも表示機能を持つ折畳み型携帯電話端末において、
前記蓋部の内部に、前記蓋部の外側面に向けて情報表示する表示パネルと、該表示パネルを露出させる窓穴が開けられた導光板と、該導光板の側面に向けて光を発光する発光素子とを有し、前記蓋部の外側面の、前記導光板の発光範囲に対応する部分が光透過性素材で構成されていることを特徴とする折畳み型携帯電話端末。 In a foldable mobile phone terminal comprising a lid that is openably and closably connected to the telephone body, and having a display function on the outer side as well as the inner side of the lid,
Inside the lid, a display panel that displays information toward the outer surface of the lid, a light guide plate with a window hole that exposes the display panel, and light emitted toward the side of the light guide plate And a portion of the outer surface of the lid corresponding to the light emission range of the light guide plate is made of a light transmissive material. 前記表示パネルを露出させる窓穴が設けられた反射板を有し、該反射板が前記導光板の前記表示パネル側の面に配置されていることを特徴とする請求項１に記載の折畳み型携帯電話端末。   2. The folding type according to claim 1, further comprising a reflection plate provided with a window hole for exposing the display panel, wherein the reflection plate is disposed on a surface of the light guide plate on the display panel side. Mobile phone terminal. 前記表示パネルと前記発光素子の制御回路とを実装する回路基板をさらに備えたことを特徴とする請求項１または２に記載の折畳み型携帯電話端末。   The foldable mobile phone terminal according to claim 1, further comprising a circuit board on which the display panel and a control circuit for the light emitting element are mounted. 前記表示パネルは液晶表示パネルである請求項１から３のいずれかに記載の折畳み型携帯電話端末。   The foldable mobile phone terminal according to any one of claims 1 to 3, wherein the display panel is a liquid crystal display panel. 前記発光素子がＬＥＤであって、前記導光板の側方に複数配置されている請求項１から４のいずれかに記載の折畳み型携帯電話端末。   The foldable mobile phone terminal according to any one of claims 1 to 4, wherein the light emitting element is an LED, and a plurality of the light emitting elements are arranged on a side of the light guide plate.
JP2006189110A 2006-07-10 2006-07-10 Folding mobile phone terminal Expired - Fee Related JP4687904B2 (en)

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CN102316181A (en) * 2010-07-06 2012-01-11 上海闻泰电子科技有限公司 Method for switching visual effect of appearance of mobile phone and mobile phone
CN103442110A (en) * 2013-09-11 2013-12-11 上海丰灼实业有限公司 Accessory of mobile terminal
CN106572215A (en) * 2016-11-04 2017-04-19 捷开通讯(深圳)有限公司 Mobile terminal and battery cover
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JP2009267983A (en) * 2008-04-28 2009-11-12 Fujitsu Ltd Mobile terminal device
CN102316181A (en) * 2010-07-06 2012-01-11 上海闻泰电子科技有限公司 Method for switching visual effect of appearance of mobile phone and mobile phone
CN103442110A (en) * 2013-09-11 2013-12-11 上海丰灼实业有限公司 Accessory of mobile terminal
CN106572215A (en) * 2016-11-04 2017-04-19 捷开通讯(深圳)有限公司 Mobile terminal and battery cover
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CN107172239A (en) * 2017-06-07 2017-09-15 惠州Tcl移动通信有限公司 It is a kind of can Dynamic Announce terminal bonnet, terminal and Display Realization method

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