WO2016127467A1 - 智能手表和弧形液晶屏 - Google Patents

智能手表和弧形液晶屏 Download PDF

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Publication number
WO2016127467A1
WO2016127467A1 PCT/CN2015/074470 CN2015074470W WO2016127467A1 WO 2016127467 A1 WO2016127467 A1 WO 2016127467A1 CN 2015074470 W CN2015074470 W CN 2015074470W WO 2016127467 A1 WO2016127467 A1 WO 2016127467A1
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Prior art keywords
liquid crystal
crystal panel
curved liquid
guide plate
light guide
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Ceased
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PCT/CN2015/074470
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English (en)
French (fr)
Inventor
张彦学
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Wuhan China Star Optoelectronics Technology Co Ltd
TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
Wuhan China Star Optoelectronics Technology Co Ltd
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Publication of WO2016127467A1 publication Critical patent/WO2016127467A1/zh
Anticipated expiration legal-status Critical
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
    • G04G9/12—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals

Definitions

  • the invention relates to a curved liquid crystal screen and a smart watch using the curved liquid crystal screen.
  • the curved liquid crystal screen can also be applied to other electronic products, wherein the curved liquid crystal screen refers to the wearing of the liquid crystal screen.
  • the surface of the person is curved.
  • Smart watches usually consist of a strap and a watch. According to the shape of the head, the head of the smart watch can be divided into straight and curved.
  • the curved head is more popular because the curved head fits better with the wearer's wrist.
  • the existing curved head is equipped with a flat LCD screen.
  • the visual effect of the flat LCD screen is far less than the visual effect of the curved LCD screen.
  • the existing smart watch does not have a curved LCD screen. Because the curved liquid crystal screen needs a curved liquid crystal panel and a backlight module matched therewith, wherein the arc-shaped liquid crystal panel is manufactured without problems, and it is difficult to manufacture the backlight module matched with it.
  • the backlight module cannot provide sufficient light source for the curved liquid crystal panel, and the curved LCD screen cannot be used normally.
  • the object of the present invention is to provide a smart watch with better comfort and better visual effect, which uses a curved head and a curved liquid crystal screen mounted in the curved head, the curved LCD screen
  • the backlight module can provide sufficient light source for its curved liquid crystal panel, so that the curved liquid crystal screen can be used normally.
  • the object of the present invention is to provide a curved liquid crystal screen with better visual effects.
  • the backlight module of the curved liquid crystal panel can provide sufficient light source for the curved liquid crystal panel, so that the curved liquid crystal screen can be used normally.
  • a smart watch comprising a watch band and a curved watch head.
  • the curved head includes a housing having a positioning groove and a curved liquid crystal screen housed in the positioning groove.
  • the curved liquid crystal panel comprises a curved liquid crystal panel and a backlight module engaged with the back surface of the curved liquid crystal panel.
  • the backlight module includes a light guide plate, a reflective sheet, and a ring sleeve surrounding the light guide plate.
  • a plurality of light-emitting elements are circumferentially spaced apart on the inner surface of the collar, and a plurality of grooves are provided on the outer peripheral surface of the light guide plate to accommodate the respective light-emitting elements.
  • the upper surface of the light guide plate is a convex surface that can be engaged with the concave lower surface of the curved liquid crystal panel, and the lower surface is a plane that can be engaged with the reflective sheet.
  • a downwardly extending flange for receiving and positioning the reflective sheet is provided on the lower surface of the light guide plate.
  • the collar is configured to be nested simultaneously on the light guide and the curved liquid crystal panel.
  • the light-emitting elements are cube-shaped LEDs having a quadrangular shape.
  • the four inclined faces of the quadrangular truncated groove are respectively opposite to the four sides of the cubic LED.
  • a curved protective glass capable of covering the curved liquid crystal panel is provided on the housing.
  • a curved liquid crystal panel comprising a curved liquid crystal panel and a backlight module coupled to the back surface of the curved liquid crystal panel.
  • the backlight module includes a light guide plate, a reflective sheet, and a ring sleeve surrounding the light guide plate.
  • a plurality of light-emitting elements are circumferentially spaced apart on the inner surface of the collar, and a plurality of grooves are provided on the outer peripheral surface of the light guide plate to accommodate the respective light-emitting elements.
  • the upper surface of the light guide plate is a convex surface that can be engaged with the concave lower surface of the curved liquid crystal panel, and the lower surface is a plane that can be engaged with the reflective sheet.
  • a downwardly extending flange for receiving and positioning the reflective sheet is provided on the lower surface of the light guide plate.
  • the collar is configured to be nested simultaneously on the light guide and the curved liquid crystal panel.
  • the light-emitting elements are cube-shaped LEDs having a quadrangular shape.
  • the four inclined faces of the quadrangular truncated groove are respectively opposite to the four sides of the cubic LED.
  • a curved protective glass capable of covering the curved liquid crystal panel is provided on the housing.
  • the smart watch according to the present invention has a curved head, and the back of the curved head can be in good contact with the wearer's wrist when worn, so that the wearer can enjoy better comfort; and since the smart watch is installed
  • the curved LCD screen allows the wearer to enjoy better visual effects.
  • the smart watch according to the present invention The backlight module of the curved liquid crystal panel can provide sufficient light source for the curved liquid crystal panel of the curved liquid crystal screen, so that the curved liquid crystal screen can be normally displayed.
  • the convex surface of the light guide plate of the smart watch of the present invention can also correct the position of the curved liquid crystal panel, and assist the positioning groove to accurately position the curved liquid crystal panel.
  • the smart watch according to the present invention has a simple structure, is easy to assemble, has superior performance, and adopts a more user-friendly design concept, so that the wearer can enjoy a more comfortable experience.
  • Figure 1 shows a smart watch in accordance with the present invention
  • Figure 2 is a cross-sectional view of a curved head of a smart watch in accordance with the present invention
  • Figure 3 shows a curved liquid crystal panel of a curved liquid crystal screen of a smart watch according to the present invention
  • Figure 4 shows a loop of a curved LCD screen of a smart watch according to the present invention
  • 5 and 6 each show a light guide plate of a curved liquid crystal panel of a smart watch according to the present invention.
  • the smart watch can be classified into many types, and the smart watch of the present invention can be any type of smart watch.
  • Fig. 1 both a smart watch 10 according to a first aspect of the invention is shown, and a curved liquid crystal panel 5 according to a second aspect of the invention is shown.
  • the smart watch 10 includes a watch band 2 and an arcuate watch head 3 connected to the watch band 2. The wearer can attach the curved head 3 to his wrist by means of the strap 2.
  • the curved head 3 includes a housing 31 having a positioning groove 32.
  • the positioning groove 32 may have a cylindrical shape or a prism shape and is provided with an arcuate opening at its top end.
  • a curved liquid crystal panel 5 is mounted in the positioning groove 32, and the so-called curved liquid crystal panel 5 means that the front surface of the liquid crystal panel (i.e., the surface facing the wearer in use) is curved.
  • An arc-shaped protective glass 6 capable of covering the curved liquid crystal panel 5 may be provided on the casing 31, that is, the curved protective glass 6 may cover the opening of the positioning groove 32. The curved protective glass 6 can protect the curved liquid crystal panel 5 from damage.
  • the fixing manner between the curved protective glass 6 and the housing 31 can be selected as a snapping, screwing or gluing.
  • the curved protective glass 6 may be embedded in the upper surface of the casing 31, and the upper surface of the curved protective glass 6 is flush with the upper surface of the casing 31.
  • the curved head 3 can have a rounded upper surface above it to prevent the wearer from hooking other items while wearing.
  • the curved liquid crystal panel 5 can be circular or polygonal.
  • the curved liquid crystal panel 5 includes a curved liquid crystal panel 51 (see FIG. 3, the curved liquid crystal panel 51 has an arcuate cross section), and is bonded to the back surface of the curved liquid crystal panel 51 (ie, the surface facing away from the wearer in use).
  • the backlight module 52 The curved liquid crystal panel 51 can be selected as a liquid crystal panel of a thin film transistor liquid crystal display (TFT LCD), that is, the curved liquid crystal panel 51 can include a polarizing film, a color filter substrate, a liquid crystal layer, an array substrate, and Polarizers, as well as drive circuits and printed circuit boards.
  • the driving circuit can be connected to the array substrate through a printed circuit board to control an electric field in the liquid crystal layer.
  • the liquid crystal panel of the thin film transistor liquid crystal display is well known to those skilled in the art and will not be described in detail herein.
  • the backlight module 52 includes a light guide plate 521, a reflection sheet 523, which is sequentially away from the curved liquid crystal panel 51, and a collar 522 (see FIG. 2) that surrounds the light guide plate 521.
  • the collar 522 can be selected as a circuit board.
  • a plurality of light-emitting elements 522a are circumferentially spaced apart on the inner surface of the collar 522, and a plurality of grooves respectively accommodating the respective light-emitting elements 522a are provided on the outer peripheral surface of the light guide plate 521.
  • 512a see Figure 5 or Figure 6).
  • the light-emitting element 522a can be embedded in the light guide plate 521, the volume of the curved liquid crystal panel 5 can be reduced, and at the same time, the curved head 3 has a narrower bezel.
  • the upper surface of the light guide plate 521 is configured as a convex surface 521b (see FIG. 6) capable of engaging the concave lower surface of the curved liquid crystal panel 51, and the lower surface thereof is a plane 521c capable of engaging the reflective sheet 523 ( See Figure 5). It is easy to understand that the convex surface 521b is curved.
  • the light-emitting elements 522a can be disposed evenly spaced along the inner surface of the cuff 522 such that the light exit from the convex surface 521b of the light guide plate 521 is more uniform.
  • the light emitted from the light-emitting element 522a can enter the light guide plate 521 from the side of the light guide plate 521, and a portion thereof can be directly refracted on the convex surface 521b (ie, the upper surface) of the light guide plate 521 and enter the curved liquid crystal.
  • the other portion can be reflected on the plane 521c (ie, the lower surface) of the light guide plate 521 or the reflection sheet 523 to return to the convex surface 521b of the light guide plate 521, wherein part of the light can enter the arc after being refracted.
  • the remaining light can be returned to the plane 521c of the light guide plate 521 or the reflection sheet 523 for reflection, and reciprocated until most of the light sources pass through the convex surface 521b and enter the curved liquid crystal panel 51.
  • a small portion of the light can leak from the sidewall of the light guide plate 521, but the loss is also minimal, so that the light guide plate 521 can guide all the light sources from the convex surface 521b to provide sufficient space for the curved liquid crystal panel 51.
  • the convex surface 521b above the light guide plate 521 is equivalent to the convex lens, and the convex lens has the condensing property, the light entering the light guide plate 521 from the side can be collected by the convex surface 521b and enter the curved liquid crystal panel 51, thereby improving The utilization of light increases the display brightness of the curved liquid crystal panel 51. Therefore, the back of the smart watch 10 according to the present invention
  • the optical module 52 can provide a sufficient light source for the curved liquid crystal panel 51 of the smart watch 10 so that the curved liquid crystal panel 5 can be normally displayed.
  • the convex surface 521b of the light guide plate 521 can also correct the position of the curved liquid crystal panel 51, and the auxiliary positioning groove 32 accurately positions the curved liquid crystal panel 51.
  • optical dots capable of reflecting light are provided on the lower surface of the light guide plate 521, and the optical dots are protrusions or grooves distributed in a rectangular form.
  • the optical dot can scatter the light to make the light of the convex surface 521b of the light guide plate 521 more uniform, thereby ensuring a more uniform brightness of the curved liquid crystal panel 5.
  • a flange 521e extending downward for receiving and positioning the reflection sheet 523 is provided on the lower surface 521c of the light guide plate 521.
  • the flange 521e can be sleeved on the reflection sheet 523 so that it can firmly position the reflection sheet 523 so that the reflection sheet 523 cannot perform any movement.
  • the light guide plate 521 is selected to be circular, and the flange 521e is selected to be annular.
  • the collar 522 is configured to be nested over the light guide plate 521 and the curved liquid crystal panel 51 at the same time.
  • the light guide plate 521 and the curved liquid crystal panel 51 can be accurately positioned, and on the other hand, the curved liquid crystal panel 5 can be easily manufactured as an independent individual, so that the prefabrication of the curved liquid crystal panel 5 can be realized, which is advantageous for improving production. effectiveness.
  • the light-emitting element 522a is selected as a cube-shaped LED (i.e., a light-emitting diode), and the recess 512a for accommodating the light-emitting element 522a is configured in a quadrangular shape.
  • the groove 512c of this shape is convenient to manufacture and can reduce the cost. More preferably, the four slopes of the quadrangular pyramid-shaped recess 512a are respectively disposed opposite to the four sides of the cubic LED.
  • the backlight module 52 of the curved liquid crystal panel 5 of the smart watch 10 of the present invention can provide sufficient light source for the curved liquid crystal panel 51 of the curved liquid crystal panel 5, so that the curved liquid crystal panel 51 can display normally. .
  • the smart watch 10 according to the present invention has a curved curved head 3, and the back of the curved head 3 can be in good contact with the wearer's wrist when worn, so that the wearer can enjoy better comfort. Moreover, since the smart watch 10 is provided with the curved liquid crystal screen 5, the wearer can enjoy a better visual effect.

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  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Liquid Crystal (AREA)

Abstract

一种智能手表（10）和弧形液晶屏（5），智能手表（10）的弧形表头（3）包括壳体（31）及壳体（31）内的弧形液晶屏（5），弧形液晶屏（5）包括弧形液晶面板（51）及背光模组（52）；背光模组（52）包括导光板（521）、反射片（523）和环套（522）；在环套（522）的内表面上设有发光元件（522a），在导光板（521）的外周面上设有容纳发光元件（522a）的凹槽（512a）；导光板（521）的上表面为凸面（521b），而下表面为平面（521c）；背光模组（52）可为弧形液晶面板（51）提供充足的光源，以便弧形液晶屏（5）正常使用。

Description

智能手表和弧形液晶屏
相关申请的交叉引用
本申请要求享有于2015年2月15日提交的名称为“智能手表和弧形液晶屏”的中国专利申请CN201510082866.6的优先权，该申请的全部内容通过引用并入本文中。
技术领域
本发明属涉及一种弧形液晶屏和使用该弧形液晶屏的智能手表，当然该弧形液晶屏也可应用在其他电子产品中，其中弧形液晶屏是指液晶屏的使用时朝向佩戴者的表面为弧形。
背景技术
随着科技的进步，推动了智能手表的发展，使得智能手表受到了人们的青睐。与此同时，人们对智能手表的舒适程度也随之增高，尤其是佩戴时的舒适性和视觉效果。
智能手表通常由表带和表头组成。根据表头的形状，可将智能手表的表头分成平直的和弧形的。由于弧形的表头能够与佩戴者的腕部更好地吻合，使得弧形的表头更受人们欢迎。现有弧形的表头内部都搭载着平直的液晶屏，平直的液晶屏的视觉效果远不及弧形液晶屏的视觉效果，目前现有的智能手表并没有搭载弧形液晶屏，这是因为弧形液晶屏需要由弧形的液晶面板和与之相配合的背光模组，其中制造弧形的液晶面板是没有问题的，而制造与之相配合的背光模组存在困难，现有的背光模组都不能为弧形的液晶面板提供充足的光源，导致该弧形液晶屏无法正常使用。
发明内容
本发明的目的提供一种具有较好舒适度和较好视觉效果的智能手表，该智能手表使用了弧形表头及安装在该弧形表头内的弧形液晶屏，该弧形液晶屏的背光模组可为其弧形液晶面板提供充足的光源，以便弧形液晶屏可以正常使用。另外， 本发明的目的是提供一种具有较好视觉效果的弧形液晶屏，该弧形液晶屏的背光模组可为弧形液晶面板提供充足的光源，以便该弧形液晶屏可以正常使用。
根据本发明的第一方面，提供了一种智能手表，该智能手表包括表带和弧形表头。该弧形表头包括具有定位槽的壳体及容纳在定位槽内的弧形液晶屏，弧形液晶屏包括弧形液晶面板及与弧形液晶面板的背面相接合的背光模组。该背光模组包括导光板、反射片和环绕在导光板外的环套。在环套的内表面上沿周向间隔开地设有多个发光元件，而在导光板的外周面上设有能够分别容纳各发光元件的多个凹槽。导光板的上表面为能够与弧形液晶面板的内凹的下表面相接合的凸面，而下表面为能够与反射片相接合的平面。
在一个实施例中，在导光板的下表面上设有向下延伸的用于容纳并定位反射片的凸缘。
在一个实施例中，环套构造成能够同时套接在导光板和弧形液晶面板上。
在一个实施例中，发光元件为立方体形的LED，凹槽呈四棱台形。其中，四棱台形凹槽的四个斜面分别与立方体形的LED的四个侧面相对。
在一个实施例中，在壳体上设有能够覆盖弧形液晶屏的弧形保护玻璃。
根据本发明的第二方面，提供了一种弧形液晶屏，其包括弧形液晶面板及与弧形液晶面板的背面相接合的背光模组。该背光模组包括导光板、反射片和环绕在导光板外的环套。在环套的内表面上沿周向间隔开地设有多个发光元件，而在导光板的外周面上设有能够分别容纳各发光元件的多个凹槽。其中，导光板的上表面为能够与弧形液晶面板的内凹的下表面相接合的凸面，而下表面为能够与反射片相接合的平面。
在一个实施例中，在导光板的下表面上设有向下延伸的用于容纳并定位反射片的凸缘。
在一个实施例中，环套构造成能够同时套接在导光板和弧形液晶面板上。
在一个实施例中，发光元件为立方体形的LED，凹槽呈四棱台形。其中，四棱台形凹槽的四个斜面分别与立方体形的LED的四个侧面相对。
在一个实施例中，在壳体上设有能够覆盖弧形液晶屏的弧形保护玻璃。
根据本发明的智能手表具有弧形表头，佩戴时弧形表头的背部可与佩戴者的腕部很好地接触，使得佩戴者可享有较好的舒适感；又由于该智能手表安装了弧形液晶屏，因此佩戴者可享有较好的视觉效果。同时，根据本发明的智能手表的 弧形液晶屏的背光模组可为该弧形液晶屏的弧形液晶面板提供充足的光源，以便该弧形液晶屏可以正常显示。除此之外，本发明的智能手表的导光板的凸面还能够校正弧形液晶面板的位置，辅助定位槽准确定位弧形液晶面板。
根据本发明的智能手表的结构简单，组装容易，性能优越，采用了更人性化的设计理念，使佩戴者可享有更加舒适的体验。
附图说明
在下文中将基于实施例并参考附图来对本发明进行更详细的描述。其中：
图1显示了根据本发明的智能手表；
图2是根据本发明的智能手表的弧形表头的剖视图；
图3显示了根据本发明的智能手表的弧形液晶屏的弧形液晶面板；
图4显示了根据本发明的智能手表的弧形液晶屏的环套；以及
图5和6均显示了根据本发明的智能手表的弧形液晶屏的导光板。
在附图中相同的部件使用相同的附图标记。附图并未按照实际的比例绘制。
具体实施方式
下面将结合附图对本发明作进一步说明。
智能手表可分为许多种类，本发明的智能手表可以是任意一种智能手表。在图1中既显示了根据本发明的第一方面所提供的智能手表10，又显示了根据本发明的第二方面所提供的弧形液晶屏5。该智能手表10包括表带2和与表带2相连的弧形表头3。佩戴者可通过表带2可把弧形表头3固定于他的腕部。
如图2所示，弧形表头3包括具有定位槽32的壳体31。该定位槽32可呈圆柱形或棱柱形，并在其顶端设有弧形的开口。在定位槽32内安装有弧形液晶屏5，所谓的弧形液晶屏5是指液晶屏的正面(即使用时朝向佩戴者的表面)为弧形。在壳体31上可设有能够覆盖弧形液晶屏5的弧形保护玻璃6，也就是说弧形保护玻璃6可覆盖定位槽32的开口。弧形保护玻璃6能够保护弧形液晶屏5，以防止其受到损伤。弧形保护玻璃6与壳体31之间的固定方式可选为卡接、螺接或胶接等。在一个未示出的实施例中，弧形保护玻璃6可嵌入在壳体31的上表面内，并且弧形保护玻璃6的上表面与壳体31的上表面相齐平。这样，弧形表头3上方可具有一个圆滑的上表面，以避免佩戴者佩戴时钩挂其他物品。
根据本发明，弧形液晶屏5可选为圆形或多边形。该弧形液晶屏5包括弧形液晶面板51(见图3，弧形液晶面板51的截面为弧形)，以及与弧形液晶面板51的背面(即使用时背向佩戴者的表面)相接合的背光模组52。其中，弧形液晶面板51可选为薄膜晶体管液晶显示器(简称TFT LCD)的液晶面板，也就是说该弧形液晶面板51可包括依次堆叠的偏光膜、彩膜基板、液晶层、阵列基板和偏光片，以及驱动电路和印刷电路板。驱动电路可通过印刷电路板与阵列基板相连，以便控制液晶层内的电场。其中，所述薄膜晶体管液晶显示器的液晶面板属于本领域技术人员熟知的，在此不作详细说明。
根据本发明，背光模组52包括依次远离弧形液晶面板51的导光板521、反射片523，以及环绕在导光板521外的环套522(见图2)。该环套522可选为电路板。在环套522的内表面上沿周向间隔开地设有多个发光元件522a(见图4)，而在导光板521的外周面上设有能够分别容纳各发光元件522a的多个凹槽512a(见图5或图6)。由于发光元件522a能够嵌入到导光板521内，这样可以减小弧形液晶屏5的体积，同时还有利弧形表头3具有更窄的边框。其中，导光板521的上表面构造成能够与弧形液晶面板51的内凹的下表面相接合的凸面521b(见图6)，而其下表面为能够与反射片523相接合的平面521c(见图5)。容易理解，凸面521b为弧形。在一个优选的实施例中，可把发光元件522a设置成沿着环套522的内表面均匀间隔开，以便导光板521的凸面521b的出光更加均匀。
在该实施例中，发光元件522a发出的光可从导光板521的侧边进入到导光板521内，一部分可直接在导光板521的凸面521b(即上表面)上发生折射并进入弧形液晶面板51内；而另一部分可在导光板521的平面521c(即下表面)或反射片523上进行反射，从而再次回到导光板521的凸面521b上，其中部分光可在折射后进入弧形液晶面板51内，剩余光可再回到导光板521的平面521c或反射片523上进行反射，往复循环直至大部分的光源都经凸面521b后进入弧形液晶面板51内为止。其中，有一小部分光可从导光板521的侧壁处漏出损失，但这点损失也是微乎其微，因此导光板521几乎可以把全部的光源从凸面521b引导出去，以便为弧形液晶面板51提供充足的光源。同时，由于导光板521上方的凸面521b相当于凸透镜，并且凸透镜具有聚光特性，因此从侧边进入导光板521的光可被凸面521b聚集后进入到弧形液晶面板51内，由此可以提高光的利用率，提高弧形液晶面板51的显示亮度。因此，根据本发明的智能手表10的背 光模组52能够为该智能手表10的弧形液晶面板51提供充足的光源，以便该弧形液晶屏5可以正常显示。除此之外，导光板521的凸面521b还能够校正弧形液晶面板51的位置，辅助定位槽32准确定位弧形液晶面板51。
在一个实施例中，在导光板521的下表面上设有能够反射光线的光学网点，所述光学网点为矩形形式分布的凸起或凹槽。当光照射到光学网点时，光学网点能够把光散射出去，以使导光板521的凸面521b的出光更加均匀，从而保证弧形液晶屏5的亮度更加均匀。
在一个实施例中，在导光板521的下表面521c上设有向下延伸的用于容纳并定位反射片523的凸缘521e。凸缘521e能够套接在反射片523上，以便其可以牢固地定位反射片523，使得反射片523不能进行任何移动。优选地，导光板521选为圆形，而凸缘521e选为圆环形。
在一个实施例中，环套522构造成能够同时套接在导光板521和弧形液晶面板51上。通过这种方式，一方面可以准确定位导光板521和弧形液晶面板51，另一方面可方便弧形液晶屏5制造成独立的个体，从而可以实现弧形液晶屏5的预制，有利提高生产效率。
在一个优选的实施例中，发光元件522a选择成立方体形的LED(即发光二极管)，而用于容纳发光元件522a的凹槽512a构造成四棱台形。这种形状的凹槽512c方便制造，可以降低成本。更优选地，四棱台形的凹槽512a的四个斜面分别设置成与立方体形的LED的四个侧面相对。通过大量实验验证，当立方体形的LED的四个侧面与四棱台形凹槽512a的四个斜面相对时，立方体形LED发出的光可顺利地进入到导光板521内，降低传播过程的能力损失，提高弧形液晶面板51的亮度。
综上可知，本发明的智能手表10的弧形液晶屏5的背光模组52可为该弧形液晶屏5的弧形液晶面板51提供充足的光源，以便该弧形液晶面板51能够正常显示。
同时，根据本发明的智能手表10具有弧形的弧形表头3，佩戴时弧形表头3的背部可与佩戴者的腕部很好地接触，使得佩戴者可享有较好的舒适感；又由于该智能手表10安装了弧形液晶屏5，因此佩戴者可享有较好的视觉效果。
虽然已经参考优选实施例对本发明进行了描述，但在不脱离本发明的范围的情况下，可以对其进行各种改进并且可以用等效物替换其中的部件。尤其是，只 要不存在结构冲突，各个实施例中所提到的各项技术特征均可以任意方式组合起来。本发明并不局限于文中公开的特定实施例，而是包括落入权利要求的范围内的所有技术方案。

Claims (16)

  1. 一种智能手表，包括表带和弧形表头，其中所述弧形表头包括具有定位槽的壳体及容纳在所述定位槽内的弧形液晶屏，所述弧形液晶屏包括弧形液晶面板及与所述弧形液晶面板的背面相接合的背光模组，所述背光模组包括导光板、反射片和环绕在所述导光板外的环套，其中，在所述环套的内表面上沿周向间隔开地设有多个发光元件，在所述导光板的外周面上设有能够分别容纳各所述发光元件的多个凹槽，所述导光板的上表面为能够与所述弧形液晶面板的内凹的下表面相接合的凸面，而下表面为能够与所述反射片相接合的平面。
  2. 根据权利要求1所述的智能手表，其中，在所述导光板的下表面上设有向下延伸的用于容纳并定位所述反射片的凸缘。
  3. 根据权利要求1所述的智能手表，其中，所述环套构造成能够同时套接在所述导光板和弧形液晶面板上。
  4. 根据权利要求3所述的智能手表，其中，所述发光元件为立方体形的LED，所述凹槽呈四棱台形。
  5. 根据权利要求1所述的智能手表，其中，四棱台形所述凹槽的四个斜面分别与立方体形的所述LED的四个侧面相对。
  6. 根据权利要求1所述的智能手表，其中，在所述壳体上设有能够覆盖所述弧形液晶屏的弧形保护玻璃。
  7. 根据权利要求1所述的智能手表，其中，在所述导光板的下表面上设有能够反射光线的光学网点。
  8. 根据权利要求1所述的智能手表，其中，所述弧形液晶面板为薄膜晶体管液晶显示器的液晶面板。
  9. 一种弧形液晶屏，包括弧形液晶面板及与所述弧形液晶面板的背面相接合的背光模组，所述背光模组包括导光板、反射片和环绕在所述导光板外的环套，在所述环套的内表面上沿周向间隔开地设有多个发光元件，在所述导光板的外周面上设有能够分别容纳各所述发光元件的多个凹槽，所述导光板的上表面为能够与所述弧形液晶面板的内凹的下表面相接合的凸面，而下表面为能够与所述反射片相接合的平面。
  10. 根据权利要求9所述的弧形液晶屏，其中，在所述导光板的下表面上设 有向下延伸的用于容纳并定位所述反射片的凸缘。
  11. 根据权利要求9所述的弧形液晶屏，其中，所述环套构造成能够同时套接在所述导光板和弧形液晶面板上。
  12. 根据权利要求9所述的弧形液晶屏，其中，所述发光元件为立方体形的LED，所述凹槽呈四棱台形。
  13. 根据权利要求12所述的弧形液晶屏，其中，四棱台形所述凹槽的四个斜面分别与立方体形的所述LED的四个侧面相对。
  14. 根据权利要求9所述的弧形液晶屏，其中，在所述壳体上设有能够覆盖所述弧形液晶屏的弧形保护玻璃。
  15. 根据权利要求9所述的弧形液晶屏，其中，在所述导光板的下表面上设有能够反射光线的光学网点。
  16. 根据权利要求9所述的弧形液晶屏，其中，所述弧形液晶面板为薄膜晶体管液晶显示器的液晶面板。
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