WO2018177279A1 - 背光结构和显示装置 - Google Patents

背光结构和显示装置 Download PDF

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Publication number
WO2018177279A1
WO2018177279A1 PCT/CN2018/080638 CN2018080638W WO2018177279A1 WO 2018177279 A1 WO2018177279 A1 WO 2018177279A1 CN 2018080638 W CN2018080638 W CN 2018080638W WO 2018177279 A1 WO2018177279 A1 WO 2018177279A1
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WO
WIPO (PCT)
Prior art keywords
sub
backlight
light
main
backlight unit
Prior art date
Application number
PCT/CN2018/080638
Other languages
English (en)
French (fr)
Inventor
王彦明
王翠娥
于超
常橙
刘蕊
王大威
刘岗
穆景飞
Original Assignee
京东方科技集团股份有限公司
北京京东方光电科技有限公司
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 京东方科技集团股份有限公司, 北京京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US16/303,746 priority Critical patent/US20200319395A1/en
Publication of WO2018177279A1 publication Critical patent/WO2018177279A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/10—Construction
    • 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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
    • 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
    • G02B6/0085—Means for removing heat created by the light source from the package

Definitions

  • the present disclosure relates to the field of display technologies, and in particular, to a backlight structure and a display device.
  • the display device only needs to perform partial display, for example, viewing basic information (such as time, incoming call, push, etc.), one-hand operation mode, VR usage mode, and the like.
  • the present disclosure provides a backlight structure including a sub-backlight unit and a side-in type main backlight module, the main backlight module includes a main reflective sheet, and the main reflective sheet is provided with at least one light transmissive area.
  • a backlight unit is disposed on a side of the main backlight module on which the main reflective sheet is disposed, and a light emitting side of the sub-backlight unit is disposed corresponding to the light transmissive area, so that the transparent area is opposite The outgoing light of the backlight unit is transmitted.
  • the main backlight module further includes a main light source, the light incident side of the main light panel is provided with a main backlight, and the main reflective sheet is disposed near the sub backlight unit of the main light panel. One side.
  • the sub-backlight unit includes a sub-light guide plate, and a light source side of the sub-light guide plate is provided with a sub-backlight, and a side of the sub-light guide plate remote from the main backlight module is provided with a sub-light source A reflective sheet.
  • a sub-shading gel is disposed over the sub-backlight, and the sub-shield has a thickness ranging from about 0.03 mm to about 0.3 mm.
  • the sub-blocking gel has a thickness of about 0.03 mm.
  • the sub-shading gel has a thickness of about 0.05 mm.
  • the sub-backlight unit further includes a sub-flexible circuit board disposed on the sub-flexible circuit board, the sub-flexible circuit board having a thickness ranging from about 0.06 mm to about 0.13 mm. .
  • the sub-flexible circuit board has a thickness of about 0.06 mm.
  • a side of the sub-flexible circuit board remote from the sub-backlight is provided with a heat sink for fixedly connecting the sub-flexible circuit board and the sub-reflective sheet.
  • the light transmissive region has a circular shape or a quadrilateral shape with rounded corners.
  • the light transmissive region is an opening disposed on the primary reflective sheet.
  • an orthographic projection of the light exiting surface of the sub-backlight unit on a plane parallel to the main reflective sheet at least partially overlaps an orthographic projection of the light transmissive area on the plane.
  • an orthographic projection of the light exiting surface of the sub-backlight unit on a plane parallel to the main reflective sheet covers an orthographic projection of the light transmissive area on the plane.
  • the present disclosure also provides a display device including a display panel and any of the backlight structures described herein, the display panel being disposed on a light exiting side of the backlight structure.
  • the display device further includes a housing configured to receive the display panel and the backlight structure, a bottom of the housing is provided with a recess, and the sub-backlight unit is at least partially It is housed within the recess.
  • the sub-backlight unit and the main backlight module are of a unitary structure.
  • the sub-backlight unit is integral with the housing.
  • FIG. 1 is a schematic diagram of a split structure of a display device including a backlight structure, in accordance with some embodiments of the present disclosure
  • FIG. 2 is a schematic view showing the assembled structure of the display device including the backlight structure shown in FIG. 1;
  • FIG. 3 is a schematic diagram of a split structure of a display device including a backlight structure, in accordance with some embodiments of the present disclosure
  • FIG. 4 is a schematic view showing the assembled structure of the display device including the backlight structure shown in FIG. 3;
  • FIG. 5 is a schematic diagram of a split structure of a display device including a backlight structure, according to some embodiments of the present disclosure
  • FIG. 6 is a schematic view showing the assembled structure of the display device including the backlight structure shown in FIG. 5.
  • the backlight structure and the display device provided by the embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
  • the embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.
  • the backlight structure and the display device of the embodiments of the present disclosure are described below by taking a smart phone as an example.
  • the embodiments of the present disclosure can also be applied to other display devices other than the smart phone. For example, tablets, laptops, monitors, televisions, monitors, electronic paper books, etc.
  • the display device only needs to perform partial display. For example, view basic information (such as time, incoming calls, push, etc.), one-handed operation mode, VR usage mode, and so on.
  • the development of the above display technology and the requirements of the user experience have brought about a significant increase in power consumption and heat generation. Therefore, the development of the above display technology and the requirements of the user experience put forward higher requirements on the battery of the smart phone.
  • the prior art extends the standby time of the mobile phone by increasing the battery capacity and adopting fast charging, but will increase the weight of the mobile phone and Reduce battery life.
  • the present disclosure particularly provides a backlight structure and display device that substantially obviate one or more of the problems due to the limitations and disadvantages of the related art.
  • FIG. 1 is a schematic diagram of a split structure of a display device including a backlight structure according to some embodiments of the present disclosure
  • FIG. 2 is a schematic view showing an assembled structure of the display device including the backlight structure illustrated in FIG. 1.
  • the backlight structure in some embodiments includes a sub-backlight unit 6 and a side-in type main backlight module 4.
  • the main backlight module 4 has a first side and a second side opposite to the first side.
  • the first side is a light exiting side of the main backlight module 4 .
  • the sub-backlight unit 6 has a third side and a fourth side opposite to the third side, for example, the third side is a light exiting side of the sub-backlight unit 6.
  • the main backlight module 4 includes a main reflective sheet 4-9, and the main reflective sheet 4-9 is provided with at least one light transmissive area A (only one light transmissive area A is shown by way of example in the drawing)
  • the at least one light-transmitting region A may be provided in such a manner that an opening is provided on the main reflection sheet 4-9.
  • the shape, size, and the like of the light transmitting region A may be set as needed.
  • the light transmitting region may have a circular shape or a quadrangular shape with rounded corners.
  • the sub-backlight unit 6 is disposed on a side of the main backlight module 4 on which the main reflection sheet 4-9 is disposed.
  • the main reflection sheet 4-9 is disposed on a second side of the main backlight module 4 opposite to the light exit side (first side), and the sub backlight unit 6
  • the light exit side (third side) faces the second side.
  • the light-emitting side of the sub-backlight unit 6 is disposed corresponding to the light-transmitting area A such that the light-transmitting area A transmits the light emitted by the sub-backlight unit 6 .
  • the light emitted from the sub-backlight unit 6 can directly enter the main backlight unit 4 through the opening.
  • an orthographic projection of the light exiting surface of the sub-backlight unit 6 on a plane parallel to the main reflective sheet 4-9 at least partially overlaps with an orthographic projection of the light transmissive area A on the plane.
  • an orthographic projection of the light-emitting surface of the sub-backlight unit 6 on a plane parallel to the main reflection sheet 4-9 covers a positive projection of the light-transmitting area A on the plane.
  • an orthographic projection of the effective light-emitting surface of the sub-backlight unit 6 on a plane parallel to the main reflection sheet 4-9 at least partially overlaps with an orthographic projection of the light-transmitting area A on the plane .
  • an orthographic projection of the effective light-emitting surface of the sub-backlight unit 6 on a plane parallel to the main reflection sheet 4-9 covers an orthographic projection of the light-transmitting area A on the plane.
  • the term "effective light-emitting surface” refers to a portion from which the exit light exits the sub-backlight unit 6, for example, a portion of the light-emitting surface of the light guide plate of the sub-backlight unit 6 that is not covered by the light-shielding glue.
  • one sub-backlight unit is disposed corresponding to one light-transmitting region.
  • one sub-backlight unit may be disposed corresponding to a plurality of light-transmissive regions (eg, a plurality of separate light-transmitting regions), or a plurality of sub-backlight units may be transparent to one
  • a light area for example, a continuous light-transmitting area
  • the main backlight module 4 further includes a main light guide 4-8, and the light incident side of the main light guide 4-8 is provided with a main backlight 4-11,
  • the main backlights 4-11 are, for example, light emitting diodes.
  • the main reflection sheet 4-9 is disposed on a side of the main light guide plate 4-8 close to the sub-backlight unit 6.
  • the sub-backlight unit 6 includes sub-light guide plates 6-7, and the light-receiving side of the sub-light guide plates 6-7 is provided with a sub-backlight 6-6, which is, for example, a light-emitting diode.
  • a side of the sub-light guide plate 6-7 remote from the main backlight module 4 is provided with sub-reflecting sheets 6-8.
  • a sub-shading gel 6-1 is disposed above the sub-backlight 6-6, and the sub-shield 6-1 has a thickness ranging from about 0.03 mm to about 0.3. Mm.
  • the sub-shield 6-1 has a thickness of about 0.03 mm or about 0.05 mm.
  • the sub-backlight unit 6 further includes a sub-flexible circuit board 6-4 disposed on the sub-flexible circuit board 6-4, the sub-flexible circuit board 6 The thickness of -4 ranges from about 0.06 mm to about 0.13 mm.
  • the sub-flexible circuit board 6-4 has a thickness of about 0.06 mm.
  • a side of the sub-flexible circuit board 6-4 remote from the sub-backlight 6-6 is provided with a heat sink 6-5 having a viscosity for a fixed connection.
  • the heat sink 6-5 is made of a graphite material to improve the heat dissipation effect.
  • the sub-flexible circuit board 6-4 is provided with a sub-light strip adhesive 6-3, and the sub-light strip adhesive 6-3 is provided with a sub-plastic frame 6-2.
  • the main backlight module 4 further includes a main light shielding adhesive 4-1, a main flexible circuit board 4-2, a main light strip adhesive 4-3, and a main plastic frame 4. - 4, the first prism 4-5, the second prism 4-6, the main diffusion film 4-7, and the main reflection sheet backing 4-10.
  • the main reflective sheet adhesive 4-10 is disposed on a side of the main reflective sheet 4-9 remote from the sub-backlight unit 6, and the main plastic frame 4-4 is disposed on the main reflective sheet adhesive 4-
  • the main strip strip adhesive 4-3 is disposed on a side of the main plastic frame 4-4 away from the main reflective sheet adhesive 4-10.
  • the main flexible circuit board 4-2 is disposed on a side of the main light strip adhesive 4-3 away from the main plastic frame 4-4.
  • the display device further includes a display panel disposed on a light exiting side of the backlight structure, and includes a cover glass 1, an optical transparent adhesive 2, and a display module 3.
  • the display device further includes a housing 5-1.
  • the housing 5-1 is, for example, a middle case of a display device for accommodating the display panel and the backlight structure.
  • the bottom of the housing 5-1 is provided with a recess, and the sub-backlight unit 6 is at least partially housed within the recess.
  • the sub-backlight unit 6 is at least partially housed within the recess in the height direction.
  • a lower distance between the lower surface of the sub-backlight unit 6 and the bottom of the recess of the housing 5-1 has a safety distance of about 0.2 mm to about 0.3 mm.
  • the side of the sub-backlight unit 6 has a safe distance of between about 0.2 mm and about 0.3 mm between the side walls of the recess of the housing 5-1.
  • a foam rubber or a hot melt adhesive 5-2 is disposed between the cover glass 1 and the casing 5-1, and the casing 5-1 is provided.
  • the bottom of the bottom (including the bottom of the groove) is provided with a buffer foam or graphite 5-3, respectively, and the buffer foam or graphite 5-3 may be provided with a support buffer foam 7.
  • the main backlight module and the sub-backlight unit can be freely switched according to different usage environments (ie, one of the main backlight module and the sub-backlight unit is turned on, the other is turned off), and the main backlight can also be used.
  • the module and the sub-backlight unit are turned on at the same time.
  • partial display for example, display time, incoming call, push, etc.
  • only the sub-backlight unit can be turned on to turn off the main backlight module, thereby effectively reducing the power consumption of the display device and prolonging the life time of the display device.
  • the main backlight module and the sub-backlight unit can be turned on at the same time, thereby achieving high color gamut, high brightness, and high contrast display requirements.
  • FIG. 3 is a schematic diagram of a split structure of a display device including a backlight structure according to some embodiments of the present disclosure
  • FIG. 4 is a schematic view showing an assembled structure of the display device including the backlight structure illustrated in FIG.
  • the display panel, the main backlight module, and the sub-backlight unit shown in FIG. 3 and FIG. 4 have the same structure as the display panel, the main backlight module, and the sub-backlight unit shown in FIG. 1 and FIG. 2 .
  • the display device shown in FIG. 3 and FIG. 4 is different from the display device shown in FIG. 1 and FIG. 2 in that the sub-backlight unit of FIGS. 1 and 2 and the main backlight module are integrated, and the figure is 3 and the sub-backlight unit of FIG. 4 is integral with the housing.
  • FIG. 5 is a schematic diagram of a split structure of a display device including a backlight structure according to some embodiments of the present disclosure
  • FIG. 6 is a schematic view showing an assembled structure of the display device including the backlight structure illustrated in FIG. 5.
  • the display panel and the main backlight module shown in FIG. 5 and FIG. 6 have the same structure as the display panel and the main backlight module shown in FIG. 1 and FIG. 2 .
  • FIG. 1 and FIG. 2 No longer.
  • the display device illustrated in FIGS. 5 and 6 is the same as the display device illustrated in FIGS. 3 and 4 in that the sub-backlight unit is of a unitary structure with the housing.
  • the display device shown in FIGS. 5 and 6 is different from the display device shown in FIGS. 3 and 4 in that the sub-plastic frame 6-2 of FIG. 3 and FIG. 4, the sub-light strip adhesive 6-3, and the sub-flexibility
  • the circuit board 6-4 is formed by assembly with the housing 5-1, and the sub-plastic frame 6-2 of FIGS. 5 and 6 and the housing 5-1 are integrally formed by casting.
  • the sub-reflective sheet 6-8 and the sub-mold frame 6-2 are disposed on the bottom of the groove of the casing 5-1, and the sub-light guide plate 6-7 is disposed on the sub-reflecting sheet 6-8.
  • Upper sub-light source (light-emitting diode) 6-6 is disposed upside down on the lower surface of the sub-flexible circuit board 6-4, and the sub-light strip adhesive 6-3 is disposed on the upper surface of the sub-flexible circuit board 6-4, and the sub-shading glue 6-1 is set on the sub-light strip adhesive 6-3.
  • a protective film layer 8 is further included, and the protective film layer 8 is removed when the display device is assembled.
  • the backlight structure includes a sub-backlight unit and a side-in type main backlight module
  • the main backlight module includes a main reflective sheet
  • the main reflective sheet is provided with at least one light transmissive area
  • a sub-backlight unit is disposed on a side of the main backlight module on which the main reflection sheet is disposed
  • a light-emitting side of the sub-backlight unit is disposed corresponding to the light-transmitting area, so that the light-transmissive area is The outgoing light of the sub-backlight unit is transmitted.
  • the main backlight module and the sub-backlight unit are freely switched according to different usage environments (ie, one of the main backlight module and the sub-backlight unit is turned on, and the other is turned off), thereby effectively reducing the work of the display device.
  • the consumption time is extended, and the main backlight module and the sub-backlight unit can be simultaneously turned on, thereby realizing high color gamut, high brightness and high contrast display requirements.
  • the display device disposes the sub-backlight unit within the recess of the housing, and the main backlight module shares a display panel with the sub-backlight unit, and the sub-display screen does not need to be separately disposed outside the main display screen. At the same time, the structural strength, thickness and quality of the display device are less affected.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
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Abstract

一种背光结构和显示装置。背光结构包括子背光单元（6）和侧入式主背光模组（4）。主背光模组（4）包括主反射片（4-9），主反射片（4-9）上设置至少一个透光区域（A）。子背光单元（6）设置在主背光模组（4）的设置有主反射片（4-9）的一侧。子背光单元（6）的出光侧与透光区域（A）对应设置，以使透光区域（A）对子背光单元（6）的出射光进行透射。

Description

背光结构和显示装置
相关申请的交叉引用
本申请要求于2017年4月1日提交的中国专利申请No.201710215802.8的优先权，其全部内容通过引用合并于此。
技术领域
本公开涉及显示技术领域，尤其涉及一种背光结构和显示装置。
背景技术
随着智能手机的发展，大屏幕、高分辨率以及VR(Virtual Reality，虚拟现实)兼容显示装置成为主流。
在一些应用环境下，显示装置只需要进行局部显示，例如，查看基本信息(比如时间、来电、推送等)、单手操作模式、VR使用模式等。
发明内容
一方面，本公开提供了一种背光结构，包括子背光单元和侧入式主背光模组，所述主背光模组包括主反射片，所述主反射片上设置有至少一个透光区域，所述子背光单元设置在所述主背光模组的设置有所述主反射片的一侧，所述子背光单元的出光侧与所述透光区域对应设置，以使所述透光区域对所述子背光单元的出射光进行透射。
在一些实施例中，所述主背光模组还包括主导光板，所述主导光板的入光侧设置有主背光源，所述主反射片设置在所述主导光板的靠近所述子背光单元的一侧。
在一些实施例中，所述子背光单元包括子导光板，所述子导光板的入光侧设置有子背光源，所述子导光板的远离所述主背光模组的一侧设置有子反射片。
在一些实施例中，所述子背光源的上方设置有子遮光胶，所述子遮光胶的厚度范围为大约0.03mm至大约0.3mm。
在一些实施例中，所述子遮光胶的厚度为大约0.03mm。
在一些实施例中，所述子遮光胶的厚度为大约0.05mm。
在一些实施例中，所述子背光单元还包括子柔性电路板，所述子背光源设置在所述子柔性电路板上，所述子柔性电路板的厚度范围为大约0.06mm至大约0.13mm。
在一些实施例中，所述子柔性电路板的厚度为大约0.06mm。
在一些实施例中，所述子柔性电路板的远离所述子背光源的一侧设置有散热片，所述散热片用于固定连接所述子柔性电路板与所述子反射片。
在一些实施例中，所述透光区域的形状为圆形或者具有圆角的四边形。
在一些实施例中，所述透光区域为设置在所述主反射片上的开口。
在一些实施例中，所述子背光单元的出光面在平行于所述主反射片的平面上的正投影与所述透光区域在所述平面上的正投影至少部分地重叠。
在一些实施例中，所述子背光单元的出光面在平行于所述主反射片的平面上的正投影覆盖所述透光区域在所述平面上的正投影。
另一方面，本公开还提供了一种显示装置，包括显示面板和本文所述的任一背光结构，所述显示面板设置在所述背光结构的出光侧。
在一些实施例中，所述显示装置还包括壳体，所述壳体构造为容纳所述显示面板和所述背光结构，所述壳体的底部设置有凹槽，所述子背光单元至少部分地容纳在所述凹槽之内。
在一些实施例中，所述子背光单元与所述主背光模组为一体结构。
在一些实施例中，所述子背光单元与所述壳体为一体结构。
附图说明
图1为根据本公开的一些实施例的包括背光结构的显示装置的 拆分结构示意图；
图2为图1所示的包括背光结构的显示装置的组装结构示意图；
图3为根据本公开的一些实施例的包括背光结构的显示装置的拆分结构示意图；
图4为图3所示的包括背光结构的显示装置的组装结构示意图；
图5为根据本公开的一些实施例的包括背光结构的显示装置的拆分结构示意图；
图6为图5所示的包括背光结构的显示装置的组装结构示意图。
具体实施方式
为使本领域的技术人员更好地理解本发明的技术方案，下面结合附图对本公开的实施例提供的背光结构和显示装置进行详细描述。下面通过参考附图描述的实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。需注意，以下以智能手机为例对本公开实施例的背光结构和显示装置进行了描述，但是，本领域技术人员应该认识到，本公开的实施例也可以应用于除智能手机以外的其他显示设备，例如，平板电脑、笔记本电脑、显示器、电视、监视器、电纸书等。
随着智能手机的发展，大屏幕(例如，5.5英寸、5.7英寸、6.0英寸)、高分辨率(FHD(Full High Definition)、QHD(Quarter High Definition)、UHD(Ultra High Definition))以及VR(Virtual Reality)兼容显示装置成为主流。
此外，在一些应用环境下，显示装置只需要进行局部显示。例如，查看基本信息(比如时间、来电、推送等)、单手操作模式、VR使用模式等。
此外，用户体验要求也逐步提升，要求高亮度、高色域以及高对比度。
上述显示技术的发展和用户体验的要求同时带来了功耗以及发热的大幅度增加。因此，上述显示技术的发展和用户体验的要求对智能手机的电池提出了更高要求，现有技术通过增大电池容量、采用快 充等方式延长手机的待机时间，但是将会增加手机重量以及降低电池寿命。
因此，本公开特别提供了一种背光结构和显示装置，其基本避免了由于现有技术的限制和缺点而导致的问题中的一个或多个。
图1为根据本公开的一些实施例的包括背光结构的显示装置的拆分结构示意图，图2为图1所示的包括背光结构的显示装置的组装结构示意图。如图1和图2所示，一些实施例中的所述背光结构包括子背光单元6和侧入式主背光模组4。
所述主背光模组4具有第一侧和与所述第一侧相对的第二侧，例如，所述第一侧为所述主背光模组4的出光侧。所述子背光单元6具有第三侧和与所述第三侧相对的第四侧，例如，所述第三侧为所述子背光单元6的出光侧。
所述主背光模组4包括主反射片4-9，所述主反射片4-9上设置有至少一个透光区域A(在附图中通过示例的方式示出了仅一个透光区域A)，例如，可以采用在主反射片4-9上设置开口的方式来设置所述至少一个透光区域A。所述透光区域A的形状和尺寸等可以根据需要进行设置。例如，所述透光区域的形状可以为圆形或者具有圆角的四边形。
所述子背光单元6设置在所述主背光模组4的设置有所述主反射片4-9的一侧。例如，如图1和图2所示，所述主反射片4-9设置在所述主背光模组4的与出光侧(第一侧)相对的第二侧，所述子背光单元6的出光侧(第三侧)面对所述第二侧。
参见图1和图2，所述子背光单元6的出光侧与所述透光区域A对应设置，以使所述透光区域A对所述子背光单元6的出射光进行透射。例如，在主反射片4-9上设置开口作为透光区域A的情况下，子背光单元6的出射光可以直接穿过所述开口而入射至所述主背光单元4。可选地，所述子背光单元6的出光面在平行于所述主反射片4-9的平面上的正投影与所述透光区域A在所述平面上的正投影至少部分地重叠。可选的，所述子背光单元6的出光面在平行于所述主反射片4-9的平面上的正投影覆盖所述透光区域A在所述平面上的正投 影。可选地，所述子背光单元6的有效出光面在平行于所述主反射片4-9的平面上的正投影与所述透光区域A在所述平面上的正投影至少部分地重叠。可选的，所述子背光单元6的有效出光面在平行于所述主反射片4-9的平面上的正投影覆盖所述透光区域A在所述平面上的正投影。这里，术语“有效出光面”指的是出射光从其离开子背光单元6的表面，例如，子背光单元6的导光板的出光面的未被遮光胶覆盖的部分。
需注意，在本文描述的实施例中，描述了一个子背光单元与一个透光区域对应设置的情况。但是，根据本公开的实施例，本领域技术人员应该理解，一个子背光单元可以与多个透光区域(例如，多个分离的透光区域)对应设置，或者多个子背光单元可以与一个透光区域(例如，一个连续的透光区域)对应设置。
参见图1和图2，在一些实施例中，所述主背光模组4还包括主导光板4-8，所述主导光板4-8的入光侧设置有主背光源4-11，所述主背光源4-11例如为发光二极管。所述主反射片4-9设置在所述主导光板4-8的靠近所述子背光单元6的一侧。所述子背光单元6包括子导光板6-7，所述子导光板6-7的入光侧设置有子背光源6-6，所述子背光源6-6例如为发光二极管。所述子导光板6-7的远离所述主背光模组4的一侧设置有子反射片6-8。
参见图1和图2，在一些实施例中，所述子背光源6-6的上方设置有子遮光胶6-1，所述子遮光胶6-1的厚度范围为大约0.03mm至大约0.3mm。可选地，所述子遮光胶6-1的厚度为大约0.03mm或者大约0.05mm。在一些实施例中，所述子背光单元6还包括子柔性电路板6-4，所述子背光源6-6设置在所述子柔性电路板6-4上，所述子柔性电路板6-4的厚度范围为大约0.06mm至大约0.13mm。可选地，所述子柔性电路板6-4的厚度为大约0.06mm。在一些实施例中，所述子柔性电路板6-4的远离所述子背光源6-6的一侧设置有散热片6-5，所述散热片6-5具有粘性，用于固定连接所述子柔性电路板6-4与所述子反射片6-8。可选地，所述散热片6-5由石墨材料制成，从而提高散热效果。在一些实施例中，所述子柔性电路板6-4上设置有 子灯条背胶6-3，所述子灯条背胶6-3上设置有子胶框6-2。
参见图1和图2，在一些实施例中，所述主背光模组4还包括主遮光胶4-1、主柔性电路板4-2、主灯条背胶4-3、主胶框4-4、第一棱镜4-5、第二棱镜4-6、主扩散膜4-7以及主反射片背胶4-10。主反射片背胶4-10设置在所述主反射片4-9的远离所述子背光单元6的一侧上，所述主胶框4-4设置在所述主反射片背胶4-10的远离所述主反射片4-9的一侧上，所述主灯条背胶4-3设置在所述主胶框4-4的远离所述主反射片背胶4-10的一侧上，所述主柔性电路板4-2设置在所述主灯条背胶4-3的远离所述主胶框4-4的一侧上。
参见图1和图2，所述显示装置还包括显示面板，所述显示面板设置在所述背光结构的出光侧，并且包括保护玻璃1、光学透明胶2以及显示模组3。在一些实施例中，所述显示装置还包括壳体5-1。壳体5-1例如是显示装置的中壳，其用于容纳所述显示面板和所述背光结构。在一些实施例中，如图1和图2所示，所述壳体5-1的底部设置有凹槽，所述子背光单元6至少部分地容纳在所述凹槽之内。例如，所述子背光单元6在高度方向上至少部分地容纳在所述凹槽之内。可选地，所述子背光单元6的下表面与壳体5-1的凹槽的底部之间具有大约0.2mm至大约0.3mm的安全距离。可选地，子背光单元6的侧面与壳体5-1的凹槽的侧壁之间具有大约0.2mm至大约0.3mm的安全距离。
如图1和图2所示，在一些实施例中，所述保护玻璃1与所述壳体5-1之间设置有泡棉胶或热熔胶5-2，所述壳体5-1的底部(包括所述凹槽的底部)分别设置有缓冲泡棉或者石墨5-3，所述缓冲泡棉或者石墨5-3上可以设置有支撑缓冲泡棉7。
在实际应用中，根据不同的使用环境，可以对主背光模组和子背光单元进行自由切换(即，主背光模组和子背光单元中的一者开启，另一者关闭)，也可以将主背光模组和子背光单元同时开启。例如，在进行局部显示(例如，显示时间、来电、推送等)时，可以仅开启子背光单元而关闭主背光模组，从而能够有效降低显示装置的功耗，延长显示装置的续航时间。又例如，可以同时开启主背光模组和子背 光单元，从而实现高色域、高亮度和高对比度的显示要求。
图3为根据本公开的一些实施例的包括背光结构的显示装置的拆分结构示意图，图4为图3所示的包括背光结构的显示装置的组装结构示意图。图3和图4示出的显示面板、主背光模组、子背光单元与图1和图2示出的显示面板、主背光模组、子背光单元的结构相同，具体内容可参照关于图1和图2的描述，此处不再赘述。图3和图4示出的显示装置与图1和图2示出的显示装置不同之处在于，图1和图2的所述子背光单元与所述主背光模组为一体结构，而图3和图4的所述子背光单元与所述壳体为一体结构。
图5为根据本公开的一些实施例的包括背光结构的显示装置的拆分结构示意图，图6为图5所示的包括背光结构的显示装置的组装结构示意图。图5和图6示出的显示面板、主背光模组与图1和图2示出的显示面板、主背光模组的结构相同，具体内容可参照关于图1和图2的描述，此处不再赘述。
图5和图6示出的显示装置与图3和图4示出的显示装置相同之处在于，所述子背光单元与所述壳体为一体结构。图5和图6示出的显示装置与图3和图4示出的显示装置不同之处在于，图3和图4的子胶框6-2、子灯条背胶6-3、子柔性电路板6-4与壳体5-1之间通过组装形成，而图5和图6的子胶框6-2与壳体5-1之间通过浇注一体形成。
具体来说，参照图5和图6，子反射片6-8和子胶框6-2设置在壳体5-1的凹槽底部上，子导光板6-7设置在子反射片6-8上，子背光源(发光二极管)6-6倒立设置在子柔性电路板6-4的下表面，子灯条背胶6-3设置在子柔性电路板6-4的上表面，子遮光胶6-1设置在子灯条背胶6-3上。
此外，在图3至图6示出的显示装置中，还包括保护膜层8，在对显示装置进行组装时，移除所述保护膜层8。
根据本公开的实施例，所述背光结构包括子背光单元和侧入式主背光模组，所述主背光模组包括主反射片，所述主反射片上设置有至少一个透光区域，所述子背光单元设置在所述主背光模组的设置有 所述主反射片的一侧，所述子背光单元的出光侧与所述透光区域对应设置，以使所述透光区域对所述子背光单元的出射光进行透射。在实际应用中，根据不同的使用环境对主背光模组和子背光单元进行自由切换(即，主背光模组和子背光单元中的一者开启，另一者关闭)，有效降低了显示装置的功耗，延长了显示装置的续航时间，也可以将主背光模组和子背光单元同时开启，从而实现了高色域、高亮度和高对比度的显示要求。根据本公开的实施例，显示装置将子背光单元设置在壳体的凹槽之内，主背光模组与子背光单元共用一个显示面板，不需要在主显示屏之外单独设置副显示屏，同时对显示装置的结构强度、厚度以及质量影响较小。
可以理解的是，以上实施方式仅仅是为了说明本发明的原理而采用的示例性实施方式，然而本发明并不局限于此。对于本领域内的普通技术人员而言，在不脱离本发明的精神和实质的情况下，可以做出各种变型和改进，这些变型和改进也视为本发明的保护范围。

Claims (17)

  1. 一种背光结构，包括子背光单元和侧入式主背光模组，所述主背光模组包括主反射片，所述主反射片上设置有至少一个透光区域，所述子背光单元设置在所述主背光模组的设置有所述主反射片的一侧，所述子背光单元的出光侧与所述透光区域对应设置，以使所述透光区域对所述子背光单元的出射光进行透射。
  2. 根据权利要求1所述的背光结构，其中，所述主背光模组还包括主导光板，所述主导光板的入光侧设置有主背光源，所述主反射片设置在所述主导光板的靠近所述子背光单元的一侧。
  3. 根据权利要求1所述的背光结构，其中，所述子背光单元包括子导光板，所述子导光板的入光侧设置有子背光源，所述子导光板的远离所述主背光模组的一侧设置有子反射片。
  4. 根据权利要求3所述的背光结构，其中，所述子背光源的上方设置有子遮光胶，所述子遮光胶的厚度范围为大约0.03mm至大约0.3mm。
  5. 根据权利要求4所述的背光结构，其中，所述子遮光胶的厚度为大约0.03mm。
  6. 根据权利要求4所述的背光结构，其中，所述子遮光胶的厚度为大约0.05mm。
  7. 根据权利要求3所述的背光结构，其中，所述子背光单元还包括子柔性电路板，所述子背光源设置在所述子柔性电路板上，所述子柔性电路板的厚度范围为大约0.06mm至大约0.13mm。
  8. 根据权利要求7所述的背光结构，其中，所述子柔性电路板的厚度为大约0.06mm。
  9. 根据权利要求7所述的背光结构，其中，所述子柔性电路板的远离所述子背光源的一侧设置有散热片，所述散热片用于固定连接所述子柔性电路板与所述子反射片。
  10. 根据权利要求1所述的背光结构，其中，所述透光区域的形状为圆形或者具有圆角的四边形。
  11. 根据权利要求1所述的背光结构，其中，所述透光区域为设置在所述主反射片上的开口。
  12. 根据权利要求1所述的背光结构，其中，所述子背光单元的出光面在平行于所述主反射片的平面上的正投影与所述透光区域在所述平面上的正投影至少部分地重叠。
  13. 根据权利要求1所述的背光结构，其中，所述子背光单元的出光面在平行于所述主反射片的平面上的正投影覆盖所述透光区域在所述平面上的正投影。
  14. 一种显示装置，包括显示面板和权利要求1至13中任一项所述的背光结构，所述显示面板设置在所述背光结构的出光侧。
  15. 根据权利要求14所述的显示装置，还包括壳体，所述壳体构造为容纳所述显示面板和所述背光结构，所述壳体的底部设置有凹槽，所述子背光单元至少部分地容纳在所述凹槽之内。
  16. 根据权利要求15所述的显示装置，其中，所述子背光单元 与所述主背光模组为一体结构。
  17. 根据权利要求15所述的显示装置，其中，所述子背光单元与所述壳体为一体结构。
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CN106813164A (zh) * 2017-04-01 2017-06-09 京东方科技集团股份有限公司 背光结构和显示装置
CN107132695B (zh) * 2017-06-21 2023-12-26 深圳市泰衡诺科技有限公司 手机背光模组缓冲结构
CN107145003A (zh) * 2017-07-24 2017-09-08 京东方科技集团股份有限公司 一种中壳、显示组件、显示设备及显示组件的组装方法
CN108761912A (zh) * 2018-05-31 2018-11-06 江苏聚泰科技有限公司 一种防震背光模组
CN110908029A (zh) 2019-11-14 2020-03-24 Tcl华星光电技术有限公司 光纯化层、侧入式背光模组及偏光片
CN210982992U (zh) * 2019-12-16 2020-07-10 中强光电股份有限公司 背光模块
CN114527598B (zh) * 2022-02-25 2023-11-28 武汉华星光电技术有限公司 显示模组及其制作方法、移动终端

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1501142A (zh) * 2002-09-28 2004-06-02 ���ǵ�����ʽ���� 背光组件、液晶显示装置及其制造方法
KR20110056708A (ko) * 2009-11-23 2011-05-31 엘지디스플레이 주식회사 백라이트 유닛과 이를 이용한 액정표시장치
CN202253209U (zh) * 2011-10-14 2012-05-30 深圳市华星光电技术有限公司 背光模组及含有该背光模组的液晶显示器
US20120188465A1 (en) * 2009-10-06 2012-07-26 Sharp Kabushiki Kaisha Lighting device, display device and television receiver
CN103499899A (zh) * 2013-10-08 2014-01-08 潘磊 一种带多层背光的液晶显示装置
CN103712124A (zh) * 2012-10-04 2014-04-09 三星显示有限公司 背光单元
CN203656813U (zh) * 2013-12-03 2014-06-18 辅讯光电工业（苏州）有限公司 一种背光模组及使用其的显示器
CN204086760U (zh) * 2014-10-22 2015-01-07 应夏英 一种改进的可提升局部暗度的背光模块
CN105759498A (zh) * 2016-03-01 2016-07-13 京东方科技集团股份有限公司 一种显示装置
CN106813164A (zh) * 2017-04-01 2017-06-09 京东方科技集团股份有限公司 背光结构和显示装置

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1501142A (zh) * 2002-09-28 2004-06-02 ���ǵ�����ʽ���� 背光组件、液晶显示装置及其制造方法
US20120188465A1 (en) * 2009-10-06 2012-07-26 Sharp Kabushiki Kaisha Lighting device, display device and television receiver
KR20110056708A (ko) * 2009-11-23 2011-05-31 엘지디스플레이 주식회사 백라이트 유닛과 이를 이용한 액정표시장치
CN202253209U (zh) * 2011-10-14 2012-05-30 深圳市华星光电技术有限公司 背光模组及含有该背光模组的液晶显示器
CN103712124A (zh) * 2012-10-04 2014-04-09 三星显示有限公司 背光单元
CN103499899A (zh) * 2013-10-08 2014-01-08 潘磊 一种带多层背光的液晶显示装置
CN203656813U (zh) * 2013-12-03 2014-06-18 辅讯光电工业（苏州）有限公司 一种背光模组及使用其的显示器
CN204086760U (zh) * 2014-10-22 2015-01-07 应夏英 一种改进的可提升局部暗度的背光模块
CN105759498A (zh) * 2016-03-01 2016-07-13 京东方科技集团股份有限公司 一种显示装置
CN106813164A (zh) * 2017-04-01 2017-06-09 京东方科技集团股份有限公司 背光结构和显示装置

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