WO2019100987A1 - 终端设备 - Google Patents

终端设备 Download PDF

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Publication number
WO2019100987A1
WO2019100987A1 PCT/CN2018/115391 CN2018115391W WO2019100987A1 WO 2019100987 A1 WO2019100987 A1 WO 2019100987A1 CN 2018115391 W CN2018115391 W CN 2018115391W WO 2019100987 A1 WO2019100987 A1 WO 2019100987A1
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WO
WIPO (PCT)
Prior art keywords
light
terminal device
light incident
incident surface
middle frame
Prior art date
Application number
PCT/CN2018/115391
Other languages
English (en)
French (fr)
Inventor
段俊杰
侯海军
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 ES18880702T priority Critical patent/ES2929722T3/es
Priority to US16/766,241 priority patent/US11587515B2/en
Priority to EP18880702.8A priority patent/EP3716253B1/en
Publication of WO2019100987A1 publication Critical patent/WO2019100987A1/zh

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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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406—Control of illumination source
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • 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
    • 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
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
    • H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion

Definitions

  • the present disclosure relates to the field of terminal technologies, and in particular, to a terminal device.
  • the ambient light sensor 11 detects the brightness of the ambient light of the current display module 12 and adjusts the backlight brightness of the display module 12 according to certain rules, thereby realizing the backlight brightness automatically with the ambient light.
  • the purpose of the adjustment Considering the linear propagation characteristics of light, there may be differences in the intensity of light perceived at different angles.
  • the ambient light sensor 11 in order to accurately simulate the ambient light perceived by the human eye, the ambient light sensor 11 usually needs to be designed on the upper part of the front side of the display module (substantially in a position flush with the line of sight when the user uses the electronic product), and must be located on the cover 13 In the area, this requires the cover 13 to have a certain width to accommodate the ambient light sensor 11, thereby limiting the implementation of the full screen.
  • the present disclosure provides a terminal device, including: a display module, a middle frame that fixes the display module, a light guide column embedded in the middle frame, and an ambient light sensor located at a bottom of the light guide column;
  • the light incident surface of the light guide column directs ambient light to the ambient light sensor.
  • FIG. 1 is a schematic structural diagram of a terminal device in related art
  • FIG. 2 is a cross-sectional view showing a partial structure of a terminal device according to an embodiment of the present disclosure
  • FIG. 3 is a schematic structural diagram of a light guiding column according to an embodiment of the present disclosure.
  • Figure 4 (a) and Figure 4 (b) are schematic diagrams of light-collecting simulation of the light guide column
  • Figure 5 (a) is a perspective view of a light guide column structure according to the present disclosure
  • Figure 5 (b) is a side view of the structure of the light guide column according to the present disclosure.
  • Figure 5 (c) is a front elevational view of the light guide column structure of the present disclosure.
  • Figure 5 (d) is a top view of the light guide column structure of the present disclosure.
  • Figure 6 (a) is a front view of the assembly relationship of the light guide column in the whole machine
  • Figure 6 (b) is a top view of the assembly relationship of the light guide column in the whole machine.
  • the embodiment of the present disclosure provides a terminal device.
  • the present disclosure is directed to a design scheme of a full-screen terminal device having a specific light guiding column structure, and designing a boundary of the light guiding column by means of a shaped light guiding column (ie, a light-incident surface, a light-emitting surface, and a reflection of the light guiding column)
  • a shaped light guiding column ie, a light-incident surface, a light-emitting surface, and a reflection of the light guiding column
  • the ambient light sensor ie, sensed by the sensing area of the ambient light sensor
  • the ambient light sensor is rationally laid out through the light guide column to avoid occupying the frame of the terminal device, which is beneficial to the comprehensive screen design of the terminal device.
  • FIG. 2 is a cross-sectional view showing a partial structure of a terminal device according to an embodiment of the present disclosure.
  • a component structure that is improved around an ambient light sensor is mainly shown.
  • the method mainly includes: a display module 21 and a fixed display module. a middle frame 22 of 21, a light guide column 23 embedded in the middle frame 22, and an ambient light sensor 24 located at the bottom of the light guide column 23; the light incident surface of the light guide column 23 guides ambient light to the ambient light sensor 24 .
  • the display module 21 includes a screen and a cover covering the screen.
  • the cover may be a glass cover or a cover of other materials.
  • the light guide column 23 is embedded in the middle frame 22, and has a micro exposed surface at the top as an incident surface, and the incident surface is located between the outer surface of the middle frame 22 and the outer surface of the display module.
  • the ambient light sensor 24 is located at the bottom of the light guide column 23, and is disposed at a position where the light is received to the maximum extent. Further, the external ambient light is guided to the ambient light sensor 24 through the light guide column 23 in a predetermined optical transmission path.
  • the light guide column is embedded in the middle frame, and the ambient light sensor is located at the bottom of the light guide column.
  • the light incident surface of the light guide column guides the ambient light to the ambient light sensor. Therefore, the light guiding column can realize effective sensitization without occupying the frame of the terminal device; further, it does not affect the screen ratio of the terminal device, and is beneficial to the comprehensive screen design of the terminal device.
  • the ambient light sensor in the proposal of the present disclosure is embedded in the middle frame, no additional printing window is required, thereby avoiding the problem of poor visual appearance caused by the use of the circular hole-shaped window in the related art, and at the same time, avoiding printing ink.
  • the light transmittance and haze affect the sensitization performance of the ambient light sensor, and the sensitivity of the color inconsistency in printing ink is inconsistent.
  • the light guide column 23 includes: a light incident surface A at the top, a light exit surface B at the bottom, and a first reflective surface C1 connected to the middle frame 22 . a second reflecting surface C2 opposite to the display module, wherein a part of the light incident through the light incident surface A is reflected by the first reflecting surface C1 and the second reflecting surface C2 to the light emitting surface B .
  • the first reflecting surface C1 is assembled with the middle frame 22, and the second reflecting surface C2 is formed by at least the reflecting surface C21 and the reflecting surface C22 in the figure, and the light incident surface A and the light exit surface B are transmitted. surface.
  • the light-incident surface A is designed as a flat light surface for receiving ambient light and is effectively coupled to the inside of the light guide column; the first reflective surface C1 serves as a main light guiding surface of the light inside the light guiding column 23, and will be transmitted from the light-incident surface A.
  • the ambient light coming in is reflected to the light exit surface B, after which the light escapes from the light exit surface B into the ambient light sensor 24 parallel to the light exit surface B.
  • the ambient light is transmitted to the photosensitive area of the ambient light sensor in a predetermined path by means of a profiled light guide.
  • the light incident from the light incident surface is refracted into the light guide column, and the reflected light is formed on the reflective surface.
  • the light incident at different angles is reflected by different reflections and finally reaches the ambient light sensor located at the bottom of the light guide column.
  • the second reflecting surface of the light guide column can meet the aesthetic design according to the requirements of the industrial design of the product, and then based on the design of the light entrance surface to match the optimal shape.
  • the light incident surface A of the light guiding column 23 includes a first light incident surface A1 and a second light incident surface A2, and the first light incident surface A1.
  • the surface is parallel to the surface of the cover plate of the top layer of the display module 21.
  • the second light incident surface A2 forms an angle with the first light incident surface A1 and is smoothly connected with the outer surface of the middle frame 22 to form a smooth surface. . Therefore, the light guide column 23 can simultaneously receive the light incident from the obliquely above the terminal device and the light transmitted from the edge of the cover plate, thereby achieving a better light-receiving viewing angle.
  • the surface of the light-emitting surface B is provided with a sunburst so that the light can escape, which is convenient for the ambient light sensor to sense and detect.
  • the second light incident surface A2 and the first light incident surface A1 have a first predetermined angle ⁇ ; the first reflective surface C1 and the second light incident surface A2.
  • the second predetermined angle ⁇ is formed; the light-emitting surface B and the first reflective surface C1 have a third predetermined angle ⁇ .
  • the value of each angle can be adjusted according to the detection accuracy of the ambient light sensor to achieve the best effective sensitization.
  • the guide is The ambient light collected by the light column is the most efficient.
  • FIG. 4( a ) simulates the ambient light incident on the light guide column and is guided by the light guide column. Guided to the ambient light sensor, the ambient light sensing in the front and top directions can also be achieved, and the viewing angle can be maintained above 60°.
  • Figure 4(b) is a schematic diagram of the viewing angle distribution, where the abscissa is the light angle. The ordinate is the detected light intensity, and the light angle at the half-life is 60°. Therefore, the light-receiving viewing angle is determined to be 60°, which is superior to the light-receiving viewing angle of the light guiding hole formed by the printing method in FIG. 1 by 30° to 40°.
  • the design of the shaped light guide column also has a structural design.
  • the part of the optical design is mainly reflected by the interaction of the transmissive surface and the reflecting surface in the typical optical path, so that the ambient light incident from the incident surface at the top of the light guiding column can reach the light emitting surface at the bottom of the light guiding column.
  • the part of the structural design is mainly embodied in the assembly design.
  • the light guide column is provided with a positioning portion for positioning in the middle frame. 5(a) to 5(d), respectively, a perspective view, a side view, a front view, and a top view of the light guide column are shown.
  • the light guide column is provided with a positioning portion 51 for positioning the middle frame, and the positioning portion 51 is specifically disposed at a protruding bone position on the side of the light guide column to extend to the inner frame and the middle frame. At the same time, it can also play a role.
  • the second reflective surface of the light guiding rod forms a bearing surface for carrying the display module.
  • the second reflecting surface C2 in the light guiding column is used not only for reflecting the incident light but also for carrying the display mode.
  • the bearing surface 52 of the group, as shown in FIG. 2, may specifically include: a first bearing surface contacting the bearing display module, and a second bearing surface carrying the cover.
  • the light guide column structure of the present disclosure may include the positioning portion 51 without the bearing surface when performing the assembly design; or, the bearing surface 52 may be included without the positioning portion; or The positioning portion 51 and the bearing surface 52 are included.
  • a bearing portion 53 is disposed at a side wall adjacent to the left and right sides of the first reflecting surface C1 for carrying the middle and left direction middle frame, and the carrying portion 53 may specifically be a wedge member.
  • Fig. 6(a) - Fig. 6(b) are schematic diagrams showing the assembly relationship of the light guiding column in the whole machine. From the front view, you can see that there is a part of the exposed surface of the light guide column on the front of the top middle frame (the first light-incident surface) to receive the light from the front of the terminal. From the top view, you can see that there is a part of the exposed surface of the light guide bar at the top of the middle frame (second light entrance surface) to receive the light on the top side. Referring to the partial structural sectional view shown in FIG. 2, the assembly structure of the terminal device can be clearly seen. The middle frame 22 and the light guiding column 23 are wedge-shaped assembled, and the light guiding column is matched with the positioning portion, the bearing portion, the bearing surface and other adjacent components. .
  • the surface of the second reflective surface is provided with a light shielding layer.
  • the light shielding layer covers the entire second reflective surface, on the one hand, the reflection of the light in the light guide column is enhanced, and on the other hand, the light is prevented from being emitted from the second reflective surface to affect the normal display of the display module, and the display can be avoided. Shows the effect of the module's light on the ambient light sensor.
  • the material of the light guide column is a transparent polymer material.
  • the light guide column is filled with an additive for controlling transmittance.
  • an acrylic material can be used, and the non-imaging optical diffusion can be realized by surface treatment and internal toner filling, so that light of various angles can be sensed.
  • the degree of freedom of optical control of the light guide column is better than that of the glass cover spray ink in the related art, and the direct control of transmittance, refractive index and spectral curve can be realized, and more advanced applications can be derived.
  • the light guide pillar structure can be used in more optical illumination or light sensing systems.
  • the light guide column in the present disclosure may be separately embedded on the middle frame, or may be shared with the antenna tape on the middle frame to reduce the number of openings on the middle frame.
  • the specific position of the light guide column on the side middle frame is not limited, and the front side of the front side of the display screen is preferred.
  • the terminal device related to the present disclosure is mainly designed with an ultra-narrow bezel to achieve a comprehensive screen.
  • the terminal device can be any product or component having a display function such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator, a smart wearable device, and the like.
  • Other indispensable components of the terminal device are understood by those skilled in the art, and are not described herein, nor should they be construed as limiting the disclosure.

Abstract

一种终端设备，主要包括：显示模组（21）、固定所述显示模组（21）的中框（22）、嵌在中框（22）上的导光柱（23）、位于导光柱（23）底部的环境光传感器（24）；其中，导光柱（23）的入光面将环境光引导至环境光传感器（24）。

Description

终端设备
相关申请的交叉引用
本申请主张在2017年11月22日在中国提交的中国专利申请号No.201711175798.3的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及终端技术领域，尤其涉及一种终端设备。
背景技术
随着智能手机等电子显示设备的快速发展，以及用户对电子产品的显示性能的要求逐步提升，全面屏(超窄边框)的设计已经成为当前研究的主流方向。而要实现全面屏的设计，就需要对显示屏上的器件重新布局，以避免这类器件占据过多的边框。
相关技术中，在硬件方面，影响全面屏设计的主要因素就是环境光传感器。参照图1所示，在工作环境下，环境光传感器11检测当前显示模组12所处环境光的亮度，并根据一定规则辅助调整显示模组12背光亮度，从而，实现背光亮度随环境光自动调节的目的。考虑到光线的直线传播特性，不同角度感受到的光线强度可能存在差异。那么，为了准确模拟检测人眼所感受到的环境光，环境光传感器11通常需要设计在显示模组正面的上部(基本与用户使用电子产品时的视线齐平的位置)，且必须位于盖板13区域中，这就需要盖板13具备一定的宽度去容纳环境光传感器11，从而，限制全面屏的实现。
发明内容
本公开提供了一种终端设备，包括：显示模组、固定所述显示模组的中框、嵌在所述中框上的导光柱、位于所述导光柱底部的环境光传感器；
其中，所述导光柱的入光面将环境光引导至所述环境光传感器。
附图说明
此处所说明的附图用来提供对本公开的进一步理解，构成本公开的一部分，本公开的示意性实施例及其说明用于解释本公开，并不构成对本公开的不当限定。在附图中：
图1为相关技术中终端设备的结构示意图；
图2为本公开实施例提供的终端设备的局部结构剖视图；
图3为本公开实施例提供的导光柱结构示意图；
图4(a)和图4(b)分别为导光柱收光仿真示意图；
图5(a)为本公开所涉及的导光柱结构的透视图；
图5(b)为本公开所涉及的导光柱结构的侧视图；
图5(c)为本公开所涉及的导光柱结构的正视图；
图5(d)为本公开所涉及的导光柱结构的顶视图；
图6(a)为导光柱在整机中的装配关系的正视图；
图6(b)为导光柱在整机中的装配关系的顶视图。
具体实施方式
为使本公开的目的、技术方案和优点更加清楚，下面将结合本公开具体实施例及相应的附图对本公开技术方案进行清楚、完整地描述。显然，所描述的实施例仅是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
针对相关技术中环境光传感器的布局限制全面屏设计的问题，本公开实施例提供一种终端设备。
需要说明的是，本公开旨在提出一种具有特定导光柱结构的全面屏终端设备设计方案，通过异形导光柱的方式，设计导光柱的边界(即导光柱的入光面、出光面以及反射面)来控制外部环境光进入导光柱内部后的传播路径，以较广的角度和较强的耦合度将外部的环境光引导到环境光传感器(即被环境光传感器的感应区感应)，从而实现有效感光，同时，通过导光柱将环境光传感器进行合理布局，避免占用终端设备的边框，有利于终端设备的全面屏 设计。
以下结合附图，详细说明本公开各实施例提供的技术方案。
图2为本公开实施例提供的终端设备的局部结构剖视图，在该剖视图中，主要展示了围绕环境光传感器进行改进的部件结构，其中，主要包括：显示模组21、固定所述显示模组21的中框22、嵌在所述中框22上的导光柱23、位于所述导光柱23底部的环境光传感器24；所述导光柱23的入光面将环境光引导至环境光传感器24。
在上述显示模组21中，包含有屏幕，以及覆盖所述屏幕的盖板，所述盖板可以玻璃盖板，也可以为其他材质的盖板。导光柱23内嵌在中框22上，在顶部有微型露出面作为入射面，该入射面位于中框22外表面和显示模组外表面之间。环境光传感器24位于导光柱23的底部，其设置位置应以最大程度接收光线为主进行设计；进而，外部环境光通过导光柱23以预设光学传输路径被引导至环境光传感器24。
通过上述技术方案，导光柱嵌在中框上，环境光传感器位于导光柱的底部，根据几何光学原理，导光柱的入光面将环境光引导至所述环境光传感器。从而，导光柱在不占据终端设备边框的前提下，可实现有效感光；进而，不影响终端设备的屏占比，有利于终端设备的全面屏设计。
此外，考虑到本公开提案中的环境光传感器嵌在中框上，不需要额外印刷视窗，因此，避免了相关技术中采用圆孔形视窗带来的视觉较差的问题，同时，避免印刷油墨带来的透光率及雾度影响环境光传感器的感光性能的问题，以及对印刷油墨时颜色不一致所产生的敏感度不一致的问题。
可选地，在本公开中，参照图3所示，所述导光柱23包括：位于顶部的入光面A，位于底部的出光面B，与所述中框22连接的第一反射面C1，与所述显示模组相对的第二反射面C2，其中，经所述入光面A入射的部分光线，通过所述第一反射面C1和第二反射面C2反射至所述出光面B。所述第一反射面C1与所述中框22装配连接，所述第二反射面C2至少由图示中的反射面C21和反射面C22构成，所述入光面A以及出光面B为透射面。其中，入光面A设计为平整的光面，用来接收环境光并有效耦合到导光柱内部；第一反射面C1作为导光柱23内部光线的主要导光面，将从入光面A透射过来 的环境光反射到出光面B，之后，光线从出光面B逃逸进入与出光面B平行的环境光传感器24。
通过异形导光的方式，把环境光以预设的路径传输到环境光传感器的感光区。从入光面入射进来的光线经过折射进入导光柱内部后，在反射面形成反射光，不同角度入射的光线经过不同的反射最后都能够到达位于导光柱底部的环境光传感器。导光柱的第二反射面可根据产品工业设计的需求来满足美学设计，再基于入光面的设计来匹配最佳的形状。
可选地，在本公开中，继续参照图3所示，所述导光柱23的入光面A包括相接的第一入光面A1和第二入光面A2，第一入光面A1的表面与显示模组21顶层的盖板的表面平行，所述第二入光面A2与所述第一入光面A1形成角度并与中框22的外表面平滑衔接设置，从而形成平滑表面。从而，导光柱23可以同时承接终端设备斜上方入射进来的光线以及盖板的边缘透射过来的光线，进而达到较好的收光视角。
可选地，在本公开中，出光面B的表面设置有晒纹，以使光线可以逃逸出来，便于环境光传感器感应并检测。
可选地，在本公开中，仍参照图3所示，第二入光面A2与第一入光面A1呈第一预设夹角α；第一反射面C1与第二入光面A2呈第二预设夹角β；出光面B与第一反射面C1呈第三预设夹角γ。在实际的设计过程中，可根据环境光传感器的检测精度，调整各个夹角的取值，以实现最佳的有效感光。
可选地，本公开中导光柱内部的第一预设夹角α为65°、所述第二预设夹角β为145°、所述第三预设夹角γ为80°时，导光柱所收集到的环境光的效率最高。
进一步参照图4(a)和图4(b)仿真图所示，可以看到在满足正面大屏占比的前提下，图4(a)仿真模拟环境光入射至导光柱，并由导光柱引导至环境光传感器，同样可以实现正面及顶部方向的环境光感测，同时收光视角也能保持在60°以上；图4(b)为收光视角分布示意图，其中的横坐标为光线角度，纵坐标为检测光强，在半衰期的光线角度为60°，因此，确定收光视角为60°，优于图1中采用印刷方式形成的导光孔的收光视角30°～40°。
此异形导光柱的设计除了包含了光学设计外，还有结构设计。光学设计 的部分，主要体现为典型光路中的透射面和反射面的相互配合，使得从导光柱顶部入射面入射进来的环境光能够到达导光柱底部的出光面。结构设计的部分，主要体现为装配设计。可选地，所述导光柱设置有用以定位于所述中框的定位部。参照图5(a)-图5(d)所示，分别对应为导光柱的透视图、侧视图、正视图、顶视图。参照透视图以及正视图可知，导光柱设置有用以定位所述中框的定位部51，该定位部51具体设置在导光柱侧边的突出骨位，以延伸至中框内部与中框配合定位，同时还可以起到承载作用。
可选地，在本公开中，所述导光柱的第二反射面形成用于承载所述显示模组的承载面。参照图5(a)和图5(b)分别所示的透视图和侧视图可知，导光柱中的第二反射面C2不仅用于对入射进来的光线进行反射，还形成有用于承载显示模组的承载面52，同时，参照图2可知，该承载面52具体可包括：接触承载显示模组的第一承载面，以及承载盖板的第二承载面。
需要说明的是，本公开所涉及的导光柱结构在进行装配设计时，可以包含定位部51，而不设置承载面；或者，也可以包含承载面52，而不设置定位部；或者，也可以包含定位部51和承载面52。
在本公开中，在靠近第一反射面C1的左右两侧的旁壁处设计有承载部53，用来承载左右方向中框，该承载部53具体可以为楔形部件。
进一步，参照图6(a)-图6(b)所示。图6(a)-图6(b)为导光柱在整机中的装配关系示意图。从正视图可以看到顶部中框正面有一部分导光柱的露出面(第一入光面)，用来接收终端设备正面的光线。从顶视图可以看到中框顶部有一部分导光柱的露出面(第二入光面)，用来接收顶侧的光线。结合图2所示的局部结构剖视图可以清晰得看到终端设备整机的装配结构，中框22与导光柱23呈楔形装配，导光柱以定位部以及承载部、承载面与其他邻接部件配合承接。
可选地，在本公开中，所述第二反射面的表面设有遮光层。该遮光层覆盖整个第二反射面上，一方面可以增强对导光柱内的光线的反射，另一方面，避免光线从所述第二反射面射出而影响显示模组的正常显示，还可以避免显示模组的光线对环境光传感器的影响。
在本公开中，所涉及的导光柱的材质为透明高分子材料。所述导光柱中 填充有用于控制透射率的添加剂。具体可以采用亚克力材料，通过表面处理及内部的色粉填充，可以实现非成像光学扩散，从而使各个角度的光线都能够被感测得到。
另外，导光柱对光学控制的自由度要优于相关技术中的玻璃盖板喷涂油墨的方式，其对透过率、折射率、光谱曲线等都能够实现直接控制，能够衍生出更多高级应用。该导光柱结构可以使用在较多光学照明或是光感测系统中。
本公开中的导光柱可以单独嵌在中框上，也可以与中框上的天线带共用位置以减小中框上的开口数量。导光柱在侧面中框上的具体位置不限，以显示屏正面的前侧面为佳。
本公开涉及的终端设备以超窄边框设计为主，以实现全面屏为目的。终端设备可以为手机、平板电脑、电视机、显示器、笔记本电脑、数码相框、导航仪、智能穿戴设备等任何具有显示功能的产品或部件。该终端设备的其它必不可少的组成部分均为本领域的普通技术人员应该理解具有的，在此不做赘述，也不应作为对本公开的限制。
以上所述仅为本公开的实施例而已，并不用于限制本公开。对于本领域技术人员来说，本公开可以有各种更改和变化。凡在本公开的精神和原理之内所作的任何修改、等同替换、改进等，均应包含在本公开的权利要求范围之内。

Claims (10)

  1. 一种终端设备，包括：显示模组、固定所述显示模组的中框、嵌在所述中框上的导光柱、位于所述导光柱底部的环境光传感器；
    其中，所述导光柱的入光面将环境光引导至所述环境光传感器。
  2. 如权利要求1所述的终端设备，其中，所述导光柱包括位于顶部的入光面，位于底部的出光面，与所述中框连接的第一反射面，与所述显示模组相对的第二反射面；
    其中，经所述入光面入射的部分光线，通过所述第一反射面和第二反射面反射至所述出光面。
  3. 如权利要求2所述的终端设备，其中，所述导光柱的入光面包括相接的第一入光面和第二入光面，所述第一入光面的表面与所述显示模组顶层的盖板的表面平行，所述第二入光面与所述第一入光面形成角度并与所述中框的外表面平滑衔接设置。
  4. 如权利要求3所述的终端设备，其中，
    所述第二入光面与所述第一入光面呈第一预设夹角；
    所述第一装配面与所述第二入光面呈第二预设夹角；
    所述出光面与所述第一装配面呈第三预设夹角。
  5. 如权利要求4所述的终端设备，其中，所述第一预设夹角为65°；所述第二预设夹角为145°；所述第三预设夹角为80°。
  6. 如权利要求1所述的终端设备，其中，所述导光柱设置有用以定位于所述中框的定位部。
  7. 如权利要求2-5中任一项所述的终端设备，其中，所述导光柱的第二反射面形成用于承载所述显示模组的承载面。
  8. 如权利要求7所述的终端设备，其中，所述第二反射面的表面设有遮光层。
  9. 如权利要求1-6、8中任一项所述的终端设备，其中，所述出光面的表面设置有晒纹。
  10. 如权利要求1-6、8中任一项所述的终端设备，其中，所述导光柱的 材质为透明高分子材料。
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