WO2020177512A1 - 终端设备 - Google Patents

终端设备 Download PDF

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Publication number
WO2020177512A1
WO2020177512A1 PCT/CN2020/074978 CN2020074978W WO2020177512A1 WO 2020177512 A1 WO2020177512 A1 WO 2020177512A1 CN 2020074978 W CN2020074978 W CN 2020074978W WO 2020177512 A1 WO2020177512 A1 WO 2020177512A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
emitting surface
terminal device
glass cover
light guide
Prior art date
Application number
PCT/CN2020/074978
Other languages
English (en)
French (fr)
Inventor
黄攀
Original Assignee
维沃移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Priority to EP20766587.8A priority Critical patent/EP3934214B1/en
Priority to ES20766587T priority patent/ES2957799T3/es
Publication of WO2020177512A1 publication Critical patent/WO2020177512A1/zh
Priority to US17/460,416 priority patent/US11799998B2/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials

Definitions

  • the embodiments of the present disclosure relate to the field of communication technology, and in particular to a terminal device.
  • the technology to assist face recognition and unlocking is generally screen fill light or infrared fill light. Since the screen brightness is high when the screen is filled with light, it will cause glare and the user experience is poor, so infrared fill light is more favored by users. However, the light guide column in the infrared light supplement structure is close to the display screen. The light irradiated by the infrared supplement light lamp on the light guide column is likely to pass through the light guide column and irradiate to the display screen. The use of smart terminals.
  • the embodiment of the present disclosure provides a terminal device, which solves the problem that the light irradiated by the infrared supplement light lamp in the related art on the light guide may pass through the light guide and irradiate to the display screen, causing the display to change color and leak light.
  • Some embodiments of the present disclosure provide a terminal device, including:
  • a housing with a accommodating gap is located below the glass cover;
  • a light guide rod arranged in the accommodating gap
  • An infrared supplement light lamp arranged under the light guide column;
  • a light shielding body is arranged between the light guide column and the display screen.
  • a light shielding body is arranged between the light guide column and the display screen.
  • the light-shielding body can prevent the light emitted by the infrared fill light from being irradiated to the display screen, causing the problem of discoloration and light leakage of the display screen.
  • Figure 1 shows one of the cross-sectional views of a terminal device provided by some embodiments of the present disclosure
  • Figure 2 shows the second cross-sectional view of a terminal device provided by some embodiments of the present disclosure
  • Figure 3 shows the third cross-sectional view of a terminal device provided by some embodiments of the present disclosure
  • Figure 4 shows the fourth cross-sectional view of the terminal device provided by some embodiments of the present disclosure
  • Figure 5 shows one of the front schematic diagrams of a terminal device provided by some embodiments of the present disclosure
  • Fig. 6 shows the second schematic front view of a terminal device provided by some embodiments of the present disclosure.
  • Fig. 7 shows the third front schematic diagram of a terminal device provided by some embodiments of the present disclosure.
  • a terminal device is provided.
  • the terminal device can be a mobile terminal (such as a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle terminal, a wearable device, etc.), a desktop computer, or a smart TV.
  • the terminal device includes: a display screen 101; a glass cover plate 102 covering the display screen 101; a housing 103, the housing 103 has a housing gap 104, the housing The gap 104 is located under the glass cover 102; the light guide column 105 is arranged in the accommodating gap 104; the infrared fill light 106 is arranged under the light guide column 105.
  • a light shielding body 107 is arranged between the light guide rod 105 and the display screen 101 to prevent the light emitted by the infrared supplement light lamp 106 from being irradiated to the display screen 101, causing the display screen 101 to change color and leak light.
  • the light shielding body 107 and the light guide rod 105 are arranged at intervals, and specifically arranged on the side wall of the accommodating gap 104 close to the display screen 101. In this way, a certain distance (greater than 0) between the light shielding body 107 and the light guide rod 105 can reduce the absorption of the light emitted by the infrared supplement light lamp 106 by the light shielding body 107.
  • the light-shielding body 107 is copper foil, which is easy to install due to its relatively hard texture.
  • the copper foil can be bonded to the side wall of the side wall close to the display screen 101 by the accommodating gap 104 by means of back glue.
  • the light guide rod 105 includes a light exit surface for enhancing the energy of the central area of the light beam or the energy of the surrounding area outside the central area.
  • the light beam mentioned here is a light beam formed by the infrared light penetrating the light guide rod 105 and irradiating the light outside the terminal device.
  • the light exit surface of the light guide rod 105 provided by some embodiments of the present disclosure will be specifically described as follows:
  • the light-emitting surface of the light guide column 105 facing the glass cover plate 102 includes: a first light-emitting surface 1051 that is opposite to the glass cover plate 102 and is curved, as shown in FIG. 1.
  • the arc surface described here is an arc surface protruding toward the glass cover 102 direction.
  • the arc-shaped first light-emitting surface 1051 can increase the energy of the central area of the light beam irradiated to the outside of the terminal device.
  • the central area of the beam illuminates the central area of the face, and the surrounding area of the beam (ie the area outside the central area) illuminates the surrounding area of the face (ie the area outside the central area of the face) Therefore, the light guiding effect of the arc-shaped first light-emitting surface 1051 during face recognition is specifically shown to increase the illuminance of the central area of the face.
  • the light-emitting surface of the light guide column 105 facing the glass cover 102 includes: a first light-emitting surface 1051 that is opposite to the glass cover 102 and is flat or curved, and a second light-emitting surface that faces the top of the terminal device and is an inclined surface 1052, as shown in Figure 2.
  • the arc surface described here is an arc surface protruding toward the glass cover 102 direction.
  • the energy of the central area of the light beam irradiated to the outside of the terminal device can be increased.
  • the specific performance is to increase the illuminance of the central area of the face.
  • the function of the second light-emitting surface 1052 is mainly to guide the light toward the top of the terminal device and increase the energy of the light toward the top of the terminal device.
  • the specific performance is to increase the illumination of the forehead area of the face.
  • the first exit surface when it is not necessary to increase the energy of the central area of the beam, can be designed to be flat.
  • the light-emitting surface of the light guide column 105 facing the glass cover 102 includes: a first light-emitting surface 1051 that is opposite to the glass cover 102 and is a flat or curved surface, and a third light-emitting surface that faces away from the top of the terminal device and is an inclined surface 1053, as shown in Figure 6.
  • the arc surface described here is an arc surface protruding toward the glass cover 102 direction.
  • the energy of the central area of the light beam irradiated to the outside of the terminal device can be increased.
  • the specific performance is to increase the illuminance of the central area of the face.
  • the function of the third light-emitting surface 1053 is to direct the light away from the top of the terminal device (that is, toward the bottom of the terminal device), and to increase the energy of the light beam toward the bottom of the terminal device.
  • the specific performance is to increase the illuminance of the chin area of the face.
  • the first exit surface when it is not necessary to increase the energy of the central area of the beam, can be designed to be flat.
  • the light-emitting surface of the light guide column 105 facing the glass cover 102 includes: a first light-emitting surface 1051 that is opposite to the glass cover 102 and is flat or curved, and a second light-emitting surface that faces the top of the terminal device and is an inclined surface 1052 and a third light-emitting surface 1053 that is inclined away from the top of the terminal device.
  • the arc surface described here is an arc surface protruding toward the glass cover 102 direction.
  • the energy of the central area of the light beam irradiated to the outside of the terminal device can be increased.
  • the specific performance is to increase the illuminance of the central area of the face.
  • the function of the second light-emitting surface 1052 is mainly to guide the light toward the top of the terminal device and increase the energy of the light toward the top of the terminal device.
  • the specific performance is to increase the illumination of the forehead area of the face.
  • the function of the third light-emitting surface 1053 is to direct the light away from the top of the terminal device (that is, toward the bottom of the terminal device), and to increase the energy of the light beam toward the bottom of the terminal device.
  • the specific performance is to increase the illuminance of the chin area of the face.
  • the first exit surface can be designed as a plane.
  • the embodiments described in (1) to (4) above can be selected according to actual needs.
  • the light emitting surface of the infrared supplement light lamp 106 is aligned with the light emitting surface of the light guide rod 105, even if the infrared light
  • the projection of the light-emitting surface of the fill light 106 on the glass cover 102 overlaps with the projection of the first light-emitting surface 1051 of the light guide rod 105 on the glass cover 102.
  • the amount of eccentricity between the light emitting center of the infrared supplement light lamp 106 and the center of the first light emitting surface 1051 of the light guide rod 105 is less than a preset value.
  • the preset value is a smaller value, such as 0.80mm.
  • the eccentricity is smaller, the total amount of light beams irradiated to the outside of the terminal device can be relatively higher. Therefore, in the design, the luminous center of the infrared fill light 106 and the center of the first light-emitting surface 1051 of the light guide 105 It may be concentric, that is, the eccentricity value is 0.
  • the light guide rod 105 extends toward one end of the infrared supplement light lamp 106 to outside the accommodating gap 104, and extends around the horizontal direction to be bonded to the housing 103.
  • the light incident surface of the light guide rod forms a side of the light guide rod that faces the infrared supplement light lamp 106 with the extension part of the light guide rod.
  • the light exit surface of the light guide rod 105 can be improved, but the light entrance surface of the light guide rod 105 can also be improved to improve the light guide effect.
  • a light guide pattern is formed on the light incident surface of the light guide rod 105 facing the infrared supplement light lamp 106.
  • the light guide pattern can adjust the direction of light propagation, has a shaping and optimizing effect on the light irradiated on it, and adjusts the energy distribution between the central area of the light beam and the surrounding area.
  • the light guide pattern includes: a circular central ring 10541 and a plurality of tooth-shaped structures 10542 arranged around the central ring 10541.
  • the surface of the center ring 10541 is a curved surface, and the teeth in the toothed structure 10542 point in the direction of the infrared fill light 106.
  • the infrared fill light 106 is arranged opposite to the center circle 10541.
  • the size of the center circle 10541 affects the center energy of the light beam passing through the light exit surface of the light guide rod 105.
  • the larger the central circle 10541 the higher the energy in the central area of the beam, and the lower the energy in the surrounding area; conversely, the smaller the central circle 10541, the lower the energy in the central area of the beam, and the higher the energy in the surrounding area.
  • the depth, angle, and distance between these tooth-shaped structures 10542 will also affect the light distribution of the light beam, and mainly affect the energy of the surrounding area of the light beam.
  • an inclined surface is formed on a part of the side wall (hereinafter referred to as the first side wall) 1031 of the accommodating gap 104 away from the actual screen.
  • the inclined surface makes the width of the accommodating gap 104 closer to the glass cover 102 smaller than the width of the end away from the glass cover 102 to increase the space of the accommodating gap 104, and the shape of the light guide rod 105 is the same as that of the accommodating gap 104 It is suitable, that is to say, the width of the light guide rod 105 corresponding to the inclined surface gradually increases toward the direction of the infrared fill light 106, which can ensure the size of the light guide rod 105 to the greatest extent and increase the light output rate of the light guide rod , Improve the light guide effect.
  • an ink layer is provided at a position corresponding to the accommodating gap on the lower surface of the glass cover.
  • the infrared light transmittance of the ink layer is greater than the first preset value, the visible light transmittance is less than the second preset value, and the first preset value is greater than the second preset value.
  • the first preset value is a larger value, generally greater than or equal to 85%.
  • the second preset value is a smaller value, generally less than or equal to 5%.
  • the terminal equipment in the related technology when it has the front camera function and the infrared light supplement function, it is generally necessary to set a camera module corresponding to the front camera function.
  • the camera module can only transmit visible light and infrared light. It is completely filtered; a camera module for infrared imaging is set corresponding to the infrared supplement light function.
  • full-screen terminal devices such as notch terminal, water drop screen terminal, etc.
  • setting two camera modules in front of the terminal device will affect the appearance of the terminal device and increase the cost.
  • some embodiments of the present disclosure are improved by adopting a camera module 108 that can be used for ordinary photographing and infrared imaging when infrared light is supplemented, as shown in FIG. 4.
  • the filter between the lens of the camera module 108 and the photosensitive sensor is a specially customized filter.
  • the filter sheet can transmit certain infrared light, and its infrared light transmittance is greater than a third preset value.
  • the third preset value is a smaller value, such as 1%.
  • the infrared transmittance of the filter can be adjusted according to specific conditions. For example, when the energy of the infrared fill light 106 as the transmitting end is insufficient, the transmittance of the filter can be appropriately increased; when used as the infrared fill light of the transmitting end When the energy of the lamp 106 is sufficient, the transmittance of the filter can be appropriately reduced.
  • the adjustment range of the infrared transmittance of the filter must be limited. Too low will affect infrared imaging, and too high will affect ordinary photographing effects. Optionally, the adjustment range is between 0.3% and 1.5%.
  • one camera module 108 can not only meet the requirements of ordinary photography, but also meet the requirements of infrared imaging. Only one camera hole 109 needs to be opened on the glass cover, as shown in FIG. 5, ensuring The appearance of the terminal equipment is improved, and the production cost is reduced.
  • the terminal device described in some embodiments of the present disclosure may be a water drop screen terminal, and the display screen 101 has a water drop shaped notch 110 to form a water drop screen.
  • the gap 110 is generally opened at one end of the display screen 101 corresponding to the top of the terminal device.
  • the opening of the notch 110 faces the direction of the top of the terminal device.
  • the width of the gap 110 along the width direction of the terminal device gradually becomes smaller in the direction from the top to the bottom of the terminal device (that is, the length direction of the terminal device).
  • the notch 110 is an axisymmetric figure.
  • the width of the accommodating gap 104 between the housings 103 is small.
  • the light guide rod 105 is arranged in the narrower accommodating gap 104, and the width of the light guide rod 105 needs to be reduced accordingly, but this will reduce the light entering the light guide rod 105 and affect the light guide effect.
  • the infrared light supplement structure described above in some embodiments of the present disclosure improves the structure of the accommodating gap and the structure of the light guide column (such as the light exit surface and the light entrance surface), etc., and is applied to the water drop screen terminal. It can also meet the needs of users.
  • the ink layer on the lower surface of the glass cover includes: a first ink area covering the gap 110 on the display screen 101 and conforming to the gap 110, and two ink areas respectively disposed in the first ink area. Side and strip-shaped second ink area.
  • the width of the second ink area (the width in the direction from the top to the bottom of the terminal device) is smaller than the width of the first ink area (the width in the direction from the top to the bottom of the terminal device).
  • the light guide rod 105 can be arranged in the accommodating gap 104 under the first ink area, as indicated by 111 in FIG. 1, or can be arranged in the accommodating gap 104 under the second ink area, as shown in Fig. 2 112 indicates the location.
  • the camera module described above in some embodiments of the present disclosure can also be applied to a water drop screen terminal to ensure the appearance of the terminal device and reduce the production cost.
  • a light shielding body is provided between the light guide column and the display screen.
  • the light-shielding body can prevent the light emitted by the infrared fill light from being irradiated to the display screen, causing the problem of discoloration and light leakage of the display screen.
  • some embodiments of the present disclosure further adjust the light-emitting surface and the light-incident surface of the light guide rod.
  • some embodiments of the present disclosure also improve the camera module, so that the use of one camera module can satisfy both ordinary photographing and infrared imaging. demand.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with “first” and “second” may explicitly or implicitly include one or more of these features. In the description of the present disclosure, "a plurality of” means at least two, such as two, three, etc., unless otherwise specifically defined.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , Or integrated; it can be mechanically connected, or it can be electrically connected or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two components or the interaction of two components.
  • installed may be a fixed connection or a detachable connection , Or integrated; it can be mechanically connected, or it can be electrically connected or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two components or the interaction of two components.
  • the "above” or “below” of the first feature of the second feature may include the first and second features in direct contact, or may include the first and second features Not in direct contact but through other features between them.
  • “above”, “above” and “above” the second feature of the first feature include the first feature being directly above and obliquely above the second feature, or it simply means that the level of the first feature is higher than the second feature.
  • the “below”, “below” and “below” the first feature of the second feature include the first feature directly below and obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Planar Illumination Modules (AREA)
  • Studio Devices (AREA)
  • Telephone Set Structure (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

本公开实施例提供了一种终端设备，包括：显示屏；盖设于所述显示屏上方的玻璃盖板；具有一容置缝隙的壳体，所述容置缝隙处于所述玻璃盖板的下方；设置于所述容置缝隙中的导光柱；设置于所述导光柱下方的红外补光灯；其中，所述导光柱与所述显示屏之间设置有遮光体。

Description

终端设备
相关申请的交叉引用
本申请主张在2019年3月1日在中国提交的中国专利申请号No.201910155862.4的优先权，其全部内容通过引用包含于此。
技术领域
本公开实施例涉及通信技术领域，尤其涉及一种终端设备。
背景技术
随着智能终端(如手机)的发展和普及，智能终端的功能日益强大，除了常用的拍照，人脸识别的普及度也越来越高，尤其是人脸识别解锁技术得到越来越广泛的应用。而在光照条件差的环境下，辅助进行人脸识别解锁的技术一般是屏幕补光或红外补光。由于屏幕补光时屏幕亮度高，会造成刺眼，用户体验差，因此红外补光更受到用户的青睐。但红外补光结构中的导光柱靠近显示屏，红外补光灯照射至导光柱上的光线，很可能穿过导光柱，照射至显示屏处，引起显示屏变色漏光的问题出现，影响用户对智能终端的使用。
发明内容
本公开实施例提供了一种终端设备，解决相关技术中的红外补光灯照射至导光柱上的光线，可能穿过导光柱，照射至显示屏处，引起显示屏变色漏光的问题。
为了解决上述技术问题，本公开采用如下技术方案：
本公开的一些实施例提供了一种终端设备，包括：
显示屏；
盖设于所述显示屏上方的玻璃盖板；
具有一容置缝隙的壳体，所述容置缝隙处于所述玻璃盖板的下方；
设置于所述容置缝隙中的导光柱；
设置于所述导光柱下方的红外补光灯；
其中，所述导光柱与所述显示屏之间设置有遮光体。
本公开的一些实施例中，在导光柱与显示屏之间设置有遮光体。通过该遮光体可以防止红外补光灯发出的光线照射至显示屏处，导致显示屏变色漏光的问题出现。
附图说明
为了更清楚地说明本公开实施例的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1表示本公开的一些实施例提供的终端设备的剖面图之一；
图2表示本公开的一些实施例提供的终端设备的剖面图之二；
图3表示本公开的一些实施例提供的终端设备的剖面图之三；
图4表示本公开的一些实施例提供的终端设备的剖面图之四；
图5表示本公开的一些实施例提供的终端设备的正面示意图之一；
图6表示本公开的一些实施例提供的终端设备的正面示意图之二；以及
图7表示本公开的一些实施例提供的终端设备的正面示意图之三。
具体实施方式
下面将参照附图更详细地描述本公开的示例性实施例。虽然附图中显示了本公开的示例性实施例，然而应当理解，可以以各种形式实现本公开而不应被这里阐述的实施例所限制。相反，提供这些实施例是为了能够更透彻地理解本公开，并且能够将本公开的范围完整的传达给本领域的技术人员。
依据本公开实施例的一个方面，提供了一种终端设备。该终端设备可以是移动终端(如手机、平板电脑、笔记本电脑、掌上电脑、车载终端、可穿戴设备等)、台式电脑或智能电视等。
如图1至图3所示，该终端设备包括：显示屏101；盖设于该显示屏101上方的玻璃盖板102；壳体103，该壳体103具有一容置缝隙104，该容置缝隙104处于玻璃盖板102的下方；设置于该容置缝隙104中的导光柱105； 设置于该导光柱105下方的红外补光灯106。
其中，导光柱105与显示屏101之间设置有遮光体107，以防止红外补光灯106发出的光线照射至显示屏101处，导致显示屏101变色漏光的问题出现。
可选地，遮光体107与导光柱105间隔设置，具体设置于容置缝隙104靠近显示屏101一侧的侧壁上。这样，使遮光体107与导光柱105之间具有一定间距(大于0)，可以减少遮光体107对红外补光灯106发出的光线的吸收。
可选地，该遮光体107为铜箔，由于铜箔质地比较硬，因此便于安装。其中，可以通过背胶方式，将铜箔粘结与容置缝隙104靠近显示屏101一侧的侧壁上。
进一步地，本公开的一些实施例中，导光柱105包括：用于增强光束的中心区域能量或中心区域外的周围区域的能量的出光面。其中，这里所述的光束为红外补光灯穿过导光柱105，照射至终端设备外部的光线所形成的光束。
下面对本公开的一些实施例提供的导光柱105的出光面，进行具体描述，如下所述：
(1)导光柱105朝向玻璃盖板102的出光面包括：与玻璃盖板102相对且呈弧面的第一出光面1051，如图1所示。
其中，这里所述的弧面为向玻璃盖板102方向凸出的弧面。该呈弧形的第一出光面1051可以提升照射到终端设备外部的光束的中心区域的能量。
由于在进行人脸识别时，一般是尽量使光束的中心区域照射人脸中心区域，光束的周围区域(即中心区域外的区域)照射人脸的周围区域(即人脸中心区域外的区域)，因此，呈弧形的第一出光面1051其导光效果在人脸识别时，具体表现为可以提升人脸中心区域的照度。
(2)导光柱105朝向玻璃盖板102的出光面包括：与玻璃盖板102相对且呈平面或弧面的第一出光面1051和朝向终端设备的顶部方向且呈倾斜面的第二出光面1052，如图2所示。
其中，这里所述的弧面为向玻璃盖板102方向凸出的弧面。当第一出光 面1051呈弧形时，可以提升照射到终端设备外部的光束的中心区域的能量。在进行人脸识别时，具体表现为提升人脸中心区域的照度。
其中，第二出光面1052的作用主要是将光线导向终端设备的顶部方向，提升光束朝向终端设备顶部方向的能量。在人脸识别时，具体表现为提升人脸额头区域的照度。
其中，当不需要提升光束的中心区域的能量时，可以设计第一出面呈平面。
(3)导光柱105朝向玻璃盖板102的出光面包括：与玻璃盖板102相对且呈平面或弧面的第一出光面1051和背离终端设备的顶部方向且呈倾斜面的第三出光面1053，如图6所示。
其中，这里所述的弧面为向玻璃盖板102方向凸出的弧面。当第一出光面1051呈弧形时，可以提升照射到终端设备外部的光束的中心区域的能量。在进行人脸识别时，具体表现为提升人脸中心区域的照度。
其中，第三出光面1053的作用主要是将光线导向背离终端设备的顶部方向(即朝向终端设备的底部方向)，提升光束朝向终端设备底部方向的能量。在人脸识别时，具体表现为提升人脸下巴区域的照度。
其中，当不需要提升光束的中心区域的能量时，可以设计第一出面呈平面。
(4)导光柱105朝向玻璃盖板102的出光面包括：与玻璃盖板102相对且呈平面或弧面的第一出光面1051、朝向终端设备的顶部方向且呈倾斜面的第二出光面1052和背离终端设备的顶部方向且呈倾斜面的第三出光面1053。
其中，这里所述的弧面为向玻璃盖板102方向凸出的弧面。当第一出光面1051呈弧形时，可以提升照射到终端设备外部的光束的中心区域的能量。在进行人脸识别时，具体表现为提升人脸中心区域的照度。
其中，第二出光面1052的作用主要是将光线导向终端设备的顶部方向，提升光束朝向终端设备顶部方向的能量。在人脸识别时，具体表现为提升人脸额头区域的照度。
其中，第三出光面1053的作用主要是将光线导向背离终端设备的顶部方向(即朝向终端设备的底部方向)，提升光束朝向终端设备底部方向的能量。 在人脸识别时，具体表现为提升人脸下巴区域的照度。
需要说明的是，当不需要提升光束的中心区域的能量时，可以设计第一出面为平面。此外，上述(1)至(4)中所述的实施方式，可根据实际需求选择。
进一步地，本公开的一些实施例中，为了尽量多的使红外补光灯106发出的光线照射至终端外部，使红外补光灯106的发光面与导光柱105的出光面进行对齐，即使红外补光灯106的发光面在玻璃盖板102上的投影与导光柱105的第一出光面1051在玻璃盖板102上的投影重叠。
可选地，红外补光灯106的发光中心与导光柱105的第一出光面1051的中心的偏心量小于预设值。该预设值为一数值较小的值，如0.80mm等。由于偏心量越小，照射到终端设备外部的光束的总量能相对越高，因此，在设计时，可使红外补光灯106的发光中心与导光柱105的第一出光面1051的中心尽可能同心，即偏心量取值为0。
进一步地，本公开的一些实施例中，导光柱105朝向红外补光灯106的一端延伸至容置缝隙104外，并在水平方向四周延伸与壳体103粘结。导光柱的入光面形成与导光柱该延伸部分朝向红外补光灯106的一面。
本公开的一些实施例中，不仅可以对导光柱105的出光面进行改进，对于导光柱105的入光面也可进行改进，以改善导光效果。如在导光柱105朝向红外补光灯106的入光面形成有导光纹路。该导光纹路可以调整光线传播方向，对照射于其上的光线具有整形优化的作用，调整光束的中心区域与周围区域的能量分配。
具体地，该导光纹路包括：一个呈圆形的中心圈10541和围绕该中心圈10541设置的多个齿形结构10542。该中心圈10541的表面为弧面，该齿形结构10542中的齿指向红外补光灯106的方向。
其中，红外补光灯106与该中心圈10541相对设置。该中心圈10541的大小，影响穿过导光柱105出光面的光束的中心能量。一般，中心圈10541越大，光束的中心区域能量越高，周围区域的能量越低；反之，中心圈10541越小，光束的中心区域能量越低，周围区域的能量越高。这些齿形结构10542的深度、角度以及彼此之间的间距也会影响光束的光线的分布，并且主要影 响光束的周围区域的能量。
可选地，本公开的一些实施例中，在容置缝隙104的远离现实屏的部分侧壁(以下称为第一侧壁)1031上形成一倾斜面。该倾斜面使该容置缝隙104靠近玻璃盖板102一端的宽度小于远离玻璃盖板102一端的宽度，以增大容置缝隙104的空间，而导光柱105的形状与容置缝隙104的形状相适配，也就是说对应倾斜面的这部分导光柱105，其宽度向靠近红外补光灯106方向逐渐增大，这样能够最大限度地保证导光柱105的大小，增大导光柱的出光率，提高导光效果。
进一步地，本公开的一些实施例中，玻璃盖板下表面对应容置缝隙的位置设置有油墨层。该油墨层的红外光透过率大于第一预设值，可见光透过率小于第二预设值，第一预设值大于第二预设值。
其中，第一预设值为数值较大的值，一般大于或等于85％。第二预设值为数值较小的值，一般小于或等于5％。由此可以看出，本公开的一些实施例中，油墨层的红外光透过率很高，可见光透过率很低，这样可以减小对穿过油墨层的红外光线的能量的影响，同时又由于红外光对于人眼不可见，因此用户很难透过油墨层看到油墨层下方的红外补光结构，这样还可更好的保证终端设备的外观。
进一步地，对于相关技术中的终端设备，在其具有前置拍照功能和红外补光功能时，一般需要对应前置拍照功能设置一个摄像头模组，该摄像头模组只能透过可见光，红外光被完全过滤了；对应红外补光功能设置一个用于红外成像的摄像头模组。对于全面屏终端设备(如刘海屏终端、水滴屏终端等)，在终端设备的前面设置两个摄像头模组会影响终端设备的外观，同时也会增加成本。对此，本公开的一些实施例进行了改进，采用一种既能用于普通拍照，又能用于红外补光时进行红外成像的摄像头模组108，如图4所示。
其中，该摄像头模组108的镜头与感光传感器之间的滤光片为专门定制的滤光片。该滤波光片能透过一定的红外光，其红外光透过率为大于0的第三预设值。
其中，该第三预设值为数值较小的一个数值，如1％。该滤光片的红外透过率可依据具体情况进行调整，如，当作为发射端的红外补光灯106的能量 不足时，可适当提升滤光片的透过率；当作为发射端的红外补光灯106的能量充足时，可适当降低滤光片的透过率。但滤光片的红外透过率的调整范围须有一定限制，太低会影响红外成像，太高会影响普通拍照效果，可选地，其调整范围为0.3％到1.5％之间。
本公开的一些实施例中，采用一个摄像头模组108既可既满足普通拍照需求，又可满足红外成像需求，在玻璃盖上仅需开设一个摄像头孔109即可，如图5所示，保证了终端设备的外观，降低了生产成本。
可选地，如图6和图7所示，本公开的一些实施例中所述的终端设备，可以是水滴屏终端，该显示屏101具有一呈水滴形状缺口110，形成水滴屏。
其中，该缺口110一般开设于显示屏101对应终端设备顶部的一端。该缺口110的开口朝向终端设备顶部的方向。该缺口110沿终端设备宽度方向的宽度，在终端设备顶部到底部的方向(即终端设备的长度方向)上逐渐变小。可选地，该缺口110为轴对称图形。
对于水滴屏终端设备而言，由于屏占比很大，因此壳体103之间的容置缝隙104的宽度很小。在更加狭小的容置缝隙104中设置导光柱105，导光柱105的宽度需相应的减小，但这样会减少进入导光柱105内的光线，影响导光效果。而本公开的一些实施例上面所述的红外补光结构，对容置缝隙的结构以及导光柱的结构(如出光面和入光面)等进行了改进，将其应用于水滴屏终端中，同样可以满足用户的使用需求。
其中，对于水滴屏终端而言，玻璃盖板下表面的油墨层包括：遮盖住显示屏101上的缺口110且与该缺口110随形的第一油墨区和分别设置于该第一油墨区两侧且呈条状的第二油墨区。第二油墨区的宽度(沿终端设备顶部到底部方向上的宽度)小于第一油墨区的宽度(沿终端设备顶部到底部方向上的宽度)。导光柱105可以设置于第一油墨区下方的容置缝隙104中，如图1中的111所指示的位置，也可以设置于第二油墨区下方的容置缝隙104中，如图2中的112所指示的位置。
进一步地，本公开的一些实施例上面所述的摄像头模组，也同样可以应用于水滴屏终端中，以保证终端设备的外观，降低生产成本。
综上所述，本公开的一些实施例中，在导光柱与显示屏之间设置有遮光 体。通过该遮光体可以防止红外补光灯发出的光线照射至显示屏处，导致显示屏变色漏光的问题出现。此外，为了改善出光效果，本公开的一些实施例还对导光柱的出光面和入光面进行了调整。进一步地，为了保证了终端设备的外观，降低了生产成本，本公开的一些实施例还对摄像头模组进行了改进，使得使用一个摄像头模组，就可以既满足普通拍照，又可以满足红外成像需求。
在本公开的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本公开的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
在本公开中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接或可以互相通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本公开中的具体含义。
在本公开中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示 第一特征水平高度小于第二特征。
本说明书中的各个实施例均采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似的部分互相参见即可。
尽管已描述了本公开的一些实施例的可选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例做出另外的变更和修改。所以，所附权利要求意欲解释为包括可选实施例以及落入本公开的一些实施例范围的所有变更和修改。
最后，还需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者终端设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者终端设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者终端设备中还存在另外的相同要素。
以上所述的是本公开的可选实施方式，应当指出对于本技术领域的普通人员来说，在不脱离本公开所述的原理前提下还可以作出若干改进和润饰，这些改进和润饰也在本公开的保护范围内。

Claims (10)

  1. 一种终端设备，包括：
    显示屏；
    盖设于所述显示屏上方的玻璃盖板；
    具有一容置缝隙的壳体，所述容置缝隙处于所述玻璃盖板的下方；
    设置于所述容置缝隙中的导光柱；
    设置于所述导光柱下方的红外补光灯；
    其中，所述导光柱与所述显示屏之间设置有遮光体。
  2. 根据权利要求1所述的终端设备，其中，所述遮光体设置于所述容置缝隙靠近所述显示屏一侧的侧壁上。
  3. 根据权利要求1所述的终端设备，其中，所述导光柱朝向所述玻璃盖板的出光面包括：与所述玻璃盖板相对且呈弧面的第一出光面。
  4. 根据权利要求1所述的终端设备，其中，所述导光柱朝向所述玻璃盖板的出光面包括：与所述玻璃盖板相对且呈平面或弧面的第一出光面和朝向所述终端设备的顶部方向且呈倾斜面的第二出光面。
  5. 根据权利要求1所述的终端设备，其中，所述导光柱朝向所述玻璃盖板的出光面包括：与所述玻璃盖板相对且呈平面或弧面的第一出光面和背离所述终端设备的顶部方向且呈倾斜面的第三出光面。
  6. 根据权利要求1所述的终端设备，其中，所述导光柱朝向所述玻璃盖板的出光面包括：与所述玻璃盖板相对且呈平面或弧面的第一出光面、朝向所述终端设备的顶部方向且呈倾斜面的第二出光面和背离所述终端设备的顶部方向且呈倾斜面的第三出光面。
  7. 根据权利要求3至6任一项所述的终端设备，其中，所述红外补光灯的发光面在所述玻璃盖板上的投影与所述导光柱的第一出光面在所述玻璃盖板上的投影重叠。
  8. 根据权利要求1所述的终端设备，其中，所述导光柱的入光面形成有用于调整光线传播方向的导光纹路；
    其中，所述导光纹路包括：一个呈圆形的中心圈和围绕所述中心圈设置 的多个齿形结构，所述中心圈的表面为弧面，所述齿形结构中的齿指向所述红外补光灯的方向。
  9. 根据权利要求1所述的终端设备，其中，所述玻璃盖板下表面对应所述容置缝隙的位置设置有油墨层；
    其中，所述油墨层的红外光透过率大于第一预设值，可见光透过率小于第二预设值，所述第一预设值大于所述第二预设值。
  10. 根据权利要求1所述的终端设备，还包括：用于拍照和红外补光时进行红外成像的摄像头模组，所述摄像头模组的镜头与感光传感器之间的滤光片的红外光透过率为大于0的第三预设值。
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