WO2016161780A1 - 一种新型镀膜结构的智能后视镜 - Google Patents

一种新型镀膜结构的智能后视镜 Download PDF

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Publication number
WO2016161780A1
WO2016161780A1 PCT/CN2015/090705 CN2015090705W WO2016161780A1 WO 2016161780 A1 WO2016161780 A1 WO 2016161780A1 CN 2015090705 W CN2015090705 W CN 2015090705W WO 2016161780 A1 WO2016161780 A1 WO 2016161780A1
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WIPO (PCT)
Prior art keywords
glass cover
coating structure
novel coating
smart
mirror
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PCT/CN2015/090705
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English (en)
French (fr)
Inventor
单岳平
肖年涛
黄文列
林艺超
黄琦瑶
林树茂
黄�焕
李峰
苏初榜
谢雄才
何基强
李建华
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信利半导体有限公司
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Application filed by 信利半导体有限公司 filed Critical 信利半导体有限公司
Publication of WO2016161780A1 publication Critical patent/WO2016161780A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/02—Rear-view mirror arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/12—Mirror assemblies combined with other articles, e.g. clocks

Definitions

  • the invention relates to the technical field of automobile accessories, in particular to a smart rearview mirror with a novel coating structure.
  • the market puts forward higher requirements on the safety, operation convenience, durability and aesthetics of the rearview mirror of the car.
  • the existing smart rearview mirrors in the market have obvious disadvantages, are cumbersome, optical properties such as brightness, contrast is too low, and the color difference between the smart display area and the non-view area is obvious when the smart display area is not lit.
  • the invention provides a novel rearview mirror with a coating structure, which can ensure the appearance, lightness and the display visual effect under the premise of ensuring optical performance, and ensure the safety and comfort of the driver driving the vehicle.
  • the utility model relates to a smart rearview mirror with a novel coating structure, comprising: a glass cover plate fixed to each other, an iron frame, and a touch screen which is sequentially attached between the glass cover plate and the iron frame, TFT a display panel and a backlight module, wherein the glass cover is provided with a display area corresponding to the touch screen, and an outer surface of the glass cover is coated with a plating layer and an anti-fingerprint film disposed on the plating layer,
  • the glass cover is provided with a photosensitive hole
  • the iron frame is provided with a concave hole or a groove corresponding to the photosensitive hole.
  • the glass cover is further provided with an upward button and a downward button, and a diffusion film is attached to the bottom of the up button and the down button.
  • the photosensitive holes are rectangular, circular, elliptical or irregular.
  • the front surface of the touch screen is adhered to the inner surface of the glass cover by liquid optical glue.
  • the back surface of the touch screen is pasted to the TFT by a solid optical adhesive The light exit surface of the display panel.
  • the TFT The light-incident surface of the display panel is fixed by a black adhesive paper and a backlight module.
  • the backlight module comprises a plastic frame and a bearing glass, a light guide plate and an optical film fixed in the plastic frame, wherein the light guide plate is a wedge-shaped light guide plate.
  • the TFT The display panel is connected to an HD camera mounted on the rear of the car.
  • the mirror surface of the glass cover plate is preferably a semi-transparent glass material, and the reflectance thereof is between 40%-60%.
  • the mirror cover of the glass cover has a thickness of 0.7 mm. .
  • the intelligent rearview mirror of the novel coating structure of the invention is fully bonded by the optical glue to achieve extremely light and thinning in accordance with the reliability requirement, and at the same time, the intelligent rearview mirror of the novel coating structure adopts a coating laminated structure.
  • the display visual effect is improved, and the safety and comfort of the driver's driving vehicle are also ensured.
  • FIG. 1 is a schematic exploded view showing an embodiment of a smart rearview mirror of a novel coating structure according to the present invention
  • FIG. 2 is another schematic structural view of an embodiment of a smart rearview mirror of a novel coating structure according to the present invention.
  • Figure 3 is a schematic view of the structure of the iron frame of Figure 1.
  • the smart rearview mirror of the novel coating structure of the present invention comprises a glass cover 1 and an iron frame 2 fixed to each other, and sequentially attached between the glass cover 1 and the iron frame 2 .
  • a touch panel (TP) 3 TP
  • TFT display panel 4 TFT
  • backlight module 5 TP
  • the glass cover 1 is provided with a display area 6 corresponding to the touch screen 3
  • the outer surface of the glass cover 1 is coated with a plating layer And an anti-fingerprint film 8 disposed on the plating layer 7.
  • the glass cover plate 1 is provided with a photosensitive hole 9, and the iron frame 2 is provided with a concave hole or a groove corresponding to the photosensitive hole 9 (Fig. Not shown).
  • the plating layer 7 is composed of one or more of SiN 4 , Nb 2 O 5 , and SiO 2 .
  • the glass cover 1 is further provided with an up button 10 and a down button 11, the up button 10 and the down button 11
  • a diffusing film (not shown) is attached to the bottom of the film, so that the light transmitted through the button is uniformly softened; the photosensitive hole 9 is used for detecting the peripheral light of the optocoupler element, and the display brightness is optimally adjusted.
  • Display area 6 and touch screen 3 The mirror meets the 50%+-10% reflectance requirement for optimal visibility integration.
  • the photosensitive holes 9 may be rectangular, circular, elliptical, irregular, etc., and the iron frame 2 may be provided with a plurality of concave holes or grooves. 21, corresponding to the aperture size and shape of the photosensitive aperture 9, it should be noted that the photosensitive aperture 9 and the iron frame 2
  • the shape of the recessed hole or the groove can be adjusted and changed according to actual needs, and is not limited. That is to say, the photosensitive hole provided by the present invention and the concave hole or groove of the iron frame can be various shapes or even not Slotting, design different shapes according to different needs.
  • the recessed hole or groove 21 Corresponds to the thinner side of the light guide plate to reduce the center of gravity offset.
  • the FPC is not attached to the iron frame 2 on both sides.
  • the mirror surface of the glass cover 1 is preferably a semi-transparent glass material, and the reflectivity thereof is between 40% and 60%. Between the thickness and the thickness required to achieve a reliability of 0.7 mm; the thickness of the ITO (Indium Tin Oxide) conductive glass of the touch screen 3 is 0.2 mm.
  • the front surface of the touch screen 3 is pasted to the glass cover by a liquid optical adhesive (OCA) 12
  • OCA liquid optical adhesive
  • the inner surface of the cover glass 1 is also coated with an ink layer (not shown).
  • the back surface of the touch screen 3 is pasted to the TFT display panel by a solid optical adhesive (OCA) 13
  • OCA solid optical adhesive
  • the illuminating surface can further reduce the thickness under the condition of satisfying the optical performance requirement; the light-incident surface of the TFT display panel 4 is pasted and fixed with the backlight module 5 through the black adhesive paper.
  • the backlight module 5 The utility model comprises a rubber frame, a bearing glass fixed on the plastic frame, a light guide plate and an optical film (including a reflective film, a diffusion film and the like).
  • the light guide plate is a wedge-shaped light guide plate, which can reduce weight and maintain the center of gravity and improve The light output effect of the backlight module.
  • the pupil and the black adhesive paper are attached to the backlight module 5 to shield the backlight module 5 from dust and dust.
  • the smart rearview mirror of the novel coating structure of the invention can design the shape of the rearview mirror surface according to the actual situation, and can also ensure the optical performance under the premise of designing the weight of the iron plate and the plastic frame and the shape of the light guide plate. , beautiful, light and thin (the module weight can be as light as 110g or so), and with high-brightness backlight and full-view IPS screen, the best intelligent display visual effects.
  • the intelligent rearview mirror of the novel coating structure of the present invention has good heat dissipation performance at a high temperature of 70. The performance is still good.
  • the TFT display panel of the smart mirror of the novel coated structure of the present invention 4 Connected to the high-end camera mounted on the rear of the vehicle for displaying the image video of the scene behind the vehicle captured by the high-definition camera, so that the smart rear view mirror of the new coated structure of the present invention can clearly and unobstructed the scene behind the vehicle.
  • the driver can view the various traffic conditions, broaden the horizon, and eliminate blind spots, thus creating a more comfortable and safe driving experience.
  • the intelligent rearview mirror of the novel coating structure of the invention can also integrate the functions of a car Bluetooth phone, video and audio, map navigation, driving fault detection and early warning, reversing real-time image, driving recorder and the like.
  • the present invention fully bonds by optical glue to achieve extremely light and thin requirements in accordance with reliability requirements, and realizes a rear view mirror surface and an intelligent display area by optimizing the ink ratio and adopting a novel coating laminated structure. Integration of visual effects.
  • the smart rearview mirror of the novel coating structure of the invention is fully bonded by the optical glue to achieve extremely light and thinning in accordance with the reliability requirement, and at the same time, the intelligent rearview mirror of the novel coating structure of the invention is coated by coating.
  • the structure improves the display visual effect and ensures the safety and comfort of the driver driving the vehicle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

一种新型镀膜结构的智能后视镜，包括：相互固定的玻璃盖板（1）、铁架（2）以及依次贴设于所述玻璃盖板、铁架之间的触摸屏（3）、TFT显示面板（4）及背光模组（5），所述玻璃盖板上开设有与所述触摸屏对应的显示区域（6），所述玻璃盖板的外表面贴设有镀层（7）及设于所述镀层上的防指纹膜（8），所述玻璃盖板上设有感光孔（9），所述铁架设有与所述感光孔对应的凹孔或凹槽。该后视镜通过光学胶来进行全贴合，达到符合可靠性要求的极轻薄化，并采用镀膜层叠结构，提高了显示视觉效果，也保证了驾驶者驾驶车辆的安全性及舒适性。

Description

一种新型镀膜结构的智能后视镜
技术领域
本发明涉及汽车配件技术领域，特别涉及一种新型镀膜结构的智能后视镜。
背景技术
目前，传统汽车后视镜系统大多数由平面镜的车内后视镜和球面镜的车外左右车门镜组成的，是重要的汽车主动安全装置，驾驶员坐在驾驶室座位上直接从这个系统获取车内外信息的。但这个系统存在很多缺点，例如空间盲区，视觉误差，死角，视野宽度不足等等，这些缺点都是影响行车安全的隐患。
随着汽车产品市场观念的不断更新和变化，市场对轿车后视镜安全性、操作方便性、经久耐用性及美观性等方面提出了更高的要求。 另外，市场中现存的智能后视镜缺点明显，笨重，光学性能如亮度，对比度太低，且智能显示区域不点亮时与非视区色差明显。
发明内容
本发明提出一种新型镀膜结构的智能后视镜，能保证光学性能的前提下，达到美观，轻薄，并提高显示视觉效果，保证驾驶者驾驶车辆的安全性及舒适性。
为实现上述发明目的，本发明采用如下技术方案：
一种新型镀膜结构的智能后视镜，包括：相互固定的玻璃盖板、铁架以及依次贴设于所述玻璃盖板、铁架之间的触摸屏、 TFT 显示面板及背光模组，所述玻璃盖板上开设有与所述触摸屏对应的显示区域，所述玻璃盖板的外表面贴设有镀层及设于所述镀层上的防指纹膜，所述玻璃盖板上设有感光孔，所述铁架设有与所述感光孔对应的凹孔或凹槽。
进一步地，在上述的一种新型镀膜结构的智能后视镜中，所述玻璃盖板上还设有向上按键及向下按键，所述向上按键及向下按键的底部贴上扩散膜。
进一步地，在上述的一种新型镀膜结构的智能后视镜中，所述感光孔为矩形，圆形，椭圆形或不规则图形。
进一步地，在上述的一种新型镀膜结构的智能后视镜中，所述触摸屏的正面通过液态光学胶粘贴于所述玻璃盖板的内表面上。
进一步地，在上述的一种新型镀膜结构的智能后视镜中，，所述触摸屏的背面通过固态光学胶粘贴于所述 TFT 显示面板的出光面。
进一步地，在上述的一种新型镀膜结构的智能后视镜中，所述 TFT 显示面板的入光面通过黑色粘纸与背光模组粘贴固定。
进一步地，在上述的一种新型镀膜结构的智能后视镜中，所述背光模组包括胶架及固定于胶架中的承载玻璃、导光板及光学膜，所述导光板为楔形导光板。
进一步地，在上述的一种新型镀膜结构的智能后视镜中，所述 TFT 显示面板连接于装载于车尾的高清摄像头。
进一步地，在上述的一种新型镀膜结构的智能后视镜中，所述玻璃盖板的镜面优选为半透玻璃材料，其反射率介于 40%-60% 之间。
进一步地，在上述的一种新型镀膜结构的智能后视镜中，其特征在于，所述玻璃盖板的镜面厚度为 0.7mm 。
本发明一种新型镀膜结构的智能后视镜通过光学胶来进行全贴合，达到符合可靠性要求的极轻薄化，同时，本发明一种新型镀膜结构的智能后视镜采用镀膜层叠结构，提高了显示视觉效果，也保证了驾驶者驾驶车辆的安全性及舒适性。
附图说明
图 1 为本发明一种新型镀膜结构的智能后视镜一实施例的分解结构示意图；
图 2 为本发明一种新型镀膜结构的智能后视镜一实施例的另一结构示意图；
图 3 为图 1 中铁架的结构示意图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
请参阅图 1 及图 2 ，本发明的一种新型镀膜结构的智能后视镜包括相互固定的玻璃盖板 1 、铁架 2 以及依次贴设于所述玻璃盖板 1 、铁架 2 之间的触摸屏（ TP ） 3 、 TFT 显示面板 4 及背光模组 5 ，所述玻璃盖板 1 上开设有与所述触摸屏 3 对应的显示区域 6 ，所述玻璃盖板 1 的外表面贴设有镀层 7 及设于所述镀层 7 上的防指纹膜 8 ，所述玻璃盖板 1 上设有感光孔 9 ，所述铁架 2 设有与所述感光孔 9 对应的凹孔或凹槽（图未示）。本实施例中，所述镀层 7 由 SiN4 、 Nb2O5 、 SiO2 中的一种或几种组成。
其中，所述玻璃盖板 1 上还设有向上按键 10 及向下按键 11 ，所述向上按键 10 及向下按键 11 的底部贴上扩散膜（图未示），这样就保证按键透过光均匀柔和；所述感光孔 9 用于光耦元件探测外围光线，对显示亮度进行优化调整。显示区域 6 及触摸屏 3 的镜面满足反射率 50%+-10% 要求，使可视性一体化达到最佳。
请参阅图 3 ，所述感光孔 9 可为矩形，圆形，椭圆形，不规则图形等，所述铁架 2 可设有若干凹孔或凹槽 21 ，对应感光孔 9 的孔径大小和形状，需要说明的是，所述感光孔 9 及铁架 2 的凹孔或凹槽的形状可以根据实际需要进行调整变化，并不受局限，也就是说本发明所提供的感光孔以及铁架的凹孔或凹槽可以为各种形状，甚至于不进行开槽，根据不同需求设计不同形状。另外，所述凹孔或凹槽 21 对应导光板厚度较薄的一侧，以此减小重心偏移，另外，不影响 FPC 双面粘贴于铁架 2 上。
本实施例中，所述玻璃盖板 1 的镜面优选为半透玻璃材料，其反射率介于 40%-60% 之间，且厚度在保证可靠性要求的情况下达到了 0.7mm ；所述触摸屏 3 的 ITO （氧化铟锡）导电玻璃的厚度为 0.2mm 。
本实例中，所述触摸屏 3 的正面通过液态光学胶（ OCA ） 12 粘贴于所述玻璃盖板 1 的内表面上，所述玻璃盖板 1 内表面还涂覆有油墨层（图未示）。
所述触摸屏 3 的背面通过固态光学胶（ OCA ） 13 粘贴于所述 TFT 显示面板 4 的出光面，可以满足光学性能要求情况下，将厚度进一步减薄；所述 TFT 显示面板 4 的入光面通过黑色粘纸与背光模组 5 粘贴固定。所述背光模组 5 包括胶架及固定于胶架中的承载玻璃、导光板及光学膜（包括反射膜、扩散膜等），本实施例中，所述导光板为楔形导光板，可减重和保持重心，提高背光模组的出光效果。通过所述铁架 2 掏孔以及通过加外贴黑色粘纸，起到了对背光模组 5 遮光防尘的作用。
本发明的一种新型镀膜结构的智能后视镜可以根据实际情况需要对后视镜面进行形状的设计，也可以通过铁架和胶架，以及导光板形状重量的设计，保证光学性能的前提下，达到美观，轻薄（模组重量可以轻至 110g 左右），而且具有高亮度背光和全视角 IPS 屏，最好的智能显示视觉效果。另外，本发明的一种新型镀膜结构的智能后视镜的散热性能良好，在高温 70 度工作性能仍然良好。
需要说明的是，本发明的一种新型镀膜结构的智能后视镜的 TFT 显示面板 4 连接于装载于车尾的高清摄像头，用于显示所述高清摄像头拍摄的车辆后方场景的图像视频，这样，通过本发明的一种新型镀膜结构的智能后视镜可将车辆后方场景清晰无阻地呈现给驾驶者，使得驾驶者对各种交通状况一览无余，拓宽视野，同时消除盲点死角，从而为其创造更为舒适安全的驾驶体验。另外，本发明的一种新型镀膜结构的智能后视镜还可以集成车载蓝牙电话，视频影音，地图导航，行车故障检测及预警，倒车实时影像，行车记录仪等等功能。
相比于现有技术，本发明通过光学胶来进行全贴合，达到符合可靠性要求的极轻薄化，且通过优化油墨配比，采用新型镀膜层叠结构，实现了后视镜面和智能显示区域视觉效果一体化。
因此，本发明一种新型镀膜结构的智能后视镜通过光学胶来进行全贴合，达到符合可靠性要求的极轻薄化，同时，本发明一种新型镀膜结构的智能后视镜采用镀膜层叠结构，提高了显示视觉效果，也保证了驾驶者驾驶车辆的安全性及舒适性。
这里本发明的描述和应用是说明性的，并非想将本发明的范围限制在上述实施例中。这里所披露的实施例的变形和改变是可能的，对于那些本领域的普通技术人员来说实施例的替换和等效的各种部件是公知的。本领域技术人员应该清楚的是，在不脱离本发明的精神或本质特征的情况下，本发明可以以其它形式、结构、布置、比例，以及用其它组件、材料和部件来实现。在不脱离本发明范围和精神的情况下，可以对这里所披露的实施例进行其它变形和改变。

Claims (10)

  1. 一种新型镀膜结构的智能后视镜，其特征在于，包括：相互固定的玻璃盖板、铁架以及依次贴设于所述玻璃盖板、铁架之间的触摸屏、TFT 显示面板及背光模组，所述玻璃盖板上开设有与所述触摸屏对应的显示区域，所述玻璃盖板的外表面贴设有镀层及设于所述镀层上的防指纹膜，所述玻璃盖板上设有感光孔，所述铁架设有与所述感光孔对应的凹孔或凹槽。
  2. 根据权利要求 1 所述的一种新型镀膜结构的智能后视镜，其特征在于，所述玻璃盖板上还设有向上按键及向下按键，所述向上按键及向下按键的底部贴上扩散膜。
  3. 根据权利要求 2 所述的一种新型镀膜结构的智能后视镜，其特征在于，所述感光孔为矩形，圆形，椭圆形或不规则图形。
  4. 根据权利要求 1 所述的一种新型镀膜结构的智能后视镜，其特征在于，所述触摸屏的正面通过液态光学胶粘贴于所述玻璃盖板的内表面上。
  5. 根据权利要求 4 所述的一种新型镀膜结构的智能后视镜，其特征在于，所述触摸屏的背面通过固态光学胶粘贴于所述 TFT 显示面板的出光面。
  6. 根据权利要求 5 所述的一种新型镀膜结构的智能后视镜，其特征在于，所述 TFT 显示面板的入光面通过黑色粘纸与背光模组粘贴固定。
  7. 根据权利要求 6 所述的一种新型镀膜结构的智能后视镜，其特征在于，所述背光模组包括胶架及固定于胶架中的承载玻璃、导光板及光学膜，所述导光板为楔形导光板。
  8. 根据权利要求 1~7 任一项所述的一种新型镀膜结构的智能后视镜，其特征在于，所述 TFT 显示面板连接于装载于车尾的高清摄像头。
  9. 根据权利要求 8 所述的一种新型镀膜结构的智能后视镜，其特征在于，所述玻璃盖板的镜面优选为半透玻璃材料，其反射率介于 40%-60% 之间。
  10. 根据权利要求 9 所述的一种新型镀膜结构的智能后视镜，其特征在于，其特征在于，所述玻璃盖板的镜面厚度为 0.7mm 。
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