WO2021103233A1 - 背光结构和显示面板 - Google Patents

背光结构和显示面板 Download PDF

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Publication number
WO2021103233A1
WO2021103233A1 PCT/CN2019/128019 CN2019128019W WO2021103233A1 WO 2021103233 A1 WO2021103233 A1 WO 2021103233A1 CN 2019128019 W CN2019128019 W CN 2019128019W WO 2021103233 A1 WO2021103233 A1 WO 2021103233A1
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WO
WIPO (PCT)
Prior art keywords
light
openings
supporting
diffuser plate
supporting structures
Prior art date
Application number
PCT/CN2019/128019
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English (en)
French (fr)
Inventor
丘永元
付琳琳
罗聪
程希
Original Assignee
惠州市华星光电技术有限公司
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Application filed by 惠州市华星光电技术有限公司 filed Critical 惠州市华星光电技术有限公司
Publication of WO2021103233A1 publication Critical patent/WO2021103233A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • 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
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements

Definitions

  • This application relates to the display field, and in particular to a backlight structure and a display panel.
  • Mini-LED sub-millimeter light-emitting diode
  • mini-LED can greatly reduce the size of the display panel when it is used as the backlight source of the display panel.
  • mini-LED can be used with the display panel to control multiple partitions, so that each partition can be driven to emit light separately.
  • the size and pitch of the Mini-LED, as well as the required light mixing distance, are the key determining parameters for the thickness and cost of the whole machine.
  • a certain distance such as 5 millimeters (mm)
  • the pitch is also less than a certain distance, such as 10mm
  • the traditional The placement space of the heat dissipation support is limited, and it is difficult to provide sufficient support between the large-size display panel and the Mini-LED.
  • an active matrix (AM) drive method is proposed. This method uses a thin film transistor (TFT) structure formed on a glass substrate. The glass substrate cannot be opened, so the heat dissipation support Placement position and support method have become problems that need to be solved for large-size products.
  • TFT thin film transistor
  • Mini-LED sub-millimeter light emitting diode
  • the backlight structure includes: a light board including a plurality of sub-millimeter light emitting diodes arranged on a substrate; a diffuser board, the diffuser board is located above the light board, the diffuser board has an upper surface and A lower surface, the lower surface facing the light board; and a plurality of supporting structures, the multiple supporting structures are arranged at intervals between the light board and the diffuser plate, the supporting structure includes a top structure and a bottom structure , And a connecting portion connected between the top structure and the bottom structure; wherein the diffuser plate has a plurality of openings, the plurality of openings and the plurality of supporting structures are arranged one to one, and at least one of the openings The hole and the corresponding supporting structure abut against the junction between the top end structure of the supporting structure and the connecting portion, wherein the size of the connecting portion is larger than the size of the at least one opening.
  • the top end structure of at least one of the plurality of support structures is a semi-cylindrical body, a columnar body or a square column, and the top end structure is the same shape as the opening corresponding to the diffuser plate.
  • the plurality of openings are circular, with a diameter of less than 15 mm.
  • the diameter of the plurality of openings is in the range of 5-8 mm.
  • the connecting portion of at least one of the plurality of supporting structures is a columnar or cone-shaped body.
  • At least one of the plurality of supporting structures is a triangular piece, the top end structure of the triangular piece is nested in the opening, and one side of the triangular piece is attached to the round table.
  • the light panel is formed by splicing and disposing a plurality of light bars, and the plurality of supporting structures are respectively arranged above the splicing joints of the adjacent plurality of light bars.
  • At least one of the plurality of support structures has a reflective coating, and the surface of the reflective coating is a mirror structure.
  • it further includes transparent glue coated between at least one of the plurality of openings and at least one of the plurality of support structures, and the transparent glue connects the support structure to the diffuser plate.
  • the present application further provides a display panel, the display panel includes a backlight structure, and the backlight structure includes:
  • a light board includes a plurality of sub-millimeter light-emitting diodes arranged on a substrate;
  • a diffuser plate the diffuser plate is located above the light plate, the diffuser plate has an upper surface and a lower surface that are opposed to each other, and the lower surface faces the light plate;
  • a plurality of supporting structures are arranged at intervals between the light board and the diffuser plate, the supporting structure includes a top structure, a bottom structure, and a connecting portion connected between the top structure and the bottom structure ;
  • the diffuser plate has a plurality of openings, the plurality of openings and the plurality of supporting structures are arranged one to one, and at least one of the openings and the corresponding supporting structure abut against the supporting structure At the junction of the top structure and the connecting portion, the size of the connecting portion is larger than the size of the at least one opening.
  • the top end structure of at least one of the plurality of support structures is a semi-cylindrical body, a columnar body or a square column, and the top end structure is the same shape as the opening corresponding to the diffuser plate.
  • the plurality of openings are circular, with a diameter of less than 15 mm.
  • the diameter of the plurality of openings is in the range of 5-8 mm.
  • the connecting portion of at least one of the plurality of supporting structures is a columnar or cone-shaped body.
  • At least one of the plurality of supporting structures is a triangular piece, the top end structure of the triangular piece is nested in the opening, and one side of the triangular piece is attached to the round table.
  • the light panel is formed by splicing and disposing a plurality of light bars, and the plurality of supporting structures are respectively arranged above the splicing joints of the adjacent plurality of light bars.
  • At least one of the plurality of support structures has a reflective coating, and the surface of the reflective coating is a mirror structure.
  • it further includes transparent glue coated between at least one of the plurality of openings and at least one of the plurality of support structures, and the transparent glue connects the support structure to the diffuser plate.
  • the present application further provides a backlight structure, including:
  • a light board includes a plurality of sub-millimeter light-emitting diodes arranged on a substrate;
  • a diffuser plate the diffuser plate is located above the light plate, the diffuser plate has an upper surface and a lower surface that are opposed to each other, and the lower surface faces the light plate;
  • a plurality of supporting structures are arranged at intervals between the light board and the diffuser plate, the supporting structure includes a top structure, a bottom structure, and a connecting portion connected between the top structure and the bottom structure ;
  • the diffuser plate has a plurality of openings, the plurality of openings and the plurality of supporting structures are arranged one to one, and at least one of the openings and the corresponding supporting structure abut against the supporting structure
  • the junction of the top structure and the connecting portion; the size of the connecting portion is larger than the size of the at least one opening; and the light board is formed by splicing a plurality of light bars, the more Two supporting structures are respectively arranged above the splicing joints of the adjacent light bars.
  • the top end structure of at least one of the plurality of support structures is a semi-cylindrical body, a columnar body or a square column, and the top end structure is the same shape as the opening corresponding to the diffuser plate.
  • the backlight structure and the display panel provided by the present application have a plurality of openings through the diffuser in the backlight structure, and at least one of the openings abuts against the supporting structure, so that the light mixing distance can meet the product specifications. At the same time, it solves the problem of small space and difficulty in placing support pieces caused by thinning.
  • FIG. 1 is a schematic diagram of a backlight structure provided by an embodiment of the present invention
  • Figure 2 is a schematic diagram of a supporting structure provided by an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of another supporting structure provided by an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of another supporting structure provided by an embodiment of the present invention.
  • the present application provides a backlight structure.
  • the diffuser in the backlight structure has a plurality of openings, and at least one of the openings abuts against the supporting structure, so that the light mixing distance can meet the product specifications, and at the same time, it can solve the small space caused by thinning. , It is difficult to place the support.
  • FIG. 1 is a schematic diagram of a backlight structure provided by an embodiment of the present invention.
  • the backlight structure includes a light plate 100, a diffuser plate 200 is located above the light plate 100, and the light plate 100 includes a plurality of sub-millimeter light-emitting diodes arranged on a substrate 110 And, a plurality of supporting structures 120 are arranged at intervals between the light panel 100 and the diffuser plate 200.
  • the supporting structure 120 includes a top structure 121, a bottom structure 122, and a connecting portion 123 connected between the top structure 121 and the bottom structure 122.
  • the diffuser plate 200 has a plurality of openings 210, at least one opening 210 and one of the supporting structures abut at the junction of the top structure 121 and the connecting portion 123, wherein the size of the connecting portion 123 is larger than the at least one supporting structure.
  • the diffuser plate has an upper surface and a lower surface opposite to each other, and the lower surface faces the light board 100.
  • the plurality of support structures 120 in the backlight structure can be columnar, cone, triangular, or any combination of other shapes. That is, the plurality of support structures 120 in the backlight structure can be composed of support structures of various shapes and structures. It is composed of 120, as long as the individual support structure 120 can fit into the opening 210 of the corresponding diffuser 200 to provide support, achieve positioning and maintain the light mixing distance to meet product specifications.
  • the application does not limit the shape of the support structure 120.
  • FIG. 2 is a schematic diagram of a supporting structure provided by an embodiment of the present invention.
  • the top structure 121 of the support structure 120 is a cylinder
  • the bottom structure 122 is a cone cylinder
  • the connecting part 123 is also a cone cylinder.
  • the cross-sectional area and shape of the top end of the connecting part 123 are equal to that of the cylinder of the top structure 121.
  • the cross-sectional area and shape of the bottom of the connecting portion 123 are equal to the cross-sectional area and shape of the top of the bottom structure 122, where the top structure 121 and the opening 210 at the corresponding position of the diffuser 200 have the same shape, and the top structure 121 can be sleeved In the corresponding opening, since the size of the conical cylinder of the connecting portion 123 is larger than the size of the opening 210, the diffusion plate 200 is provided with abutment and support.
  • FIG. 3 is a schematic diagram of another supporting structure provided by an embodiment of the present invention.
  • the top structure 121 of the support structure 120 is a semi-cylinder
  • the bottom structure 122 is a truncated cone
  • the connecting portion 123 is a cylinder.
  • the cylinder diameter of the connecting portion 123 is equal to the diameter of the semi-cylinder of the top structure 121.
  • the top end structure 121 is sleeved in the corresponding opening 210. Because of the difference in cross-sectional area between the cylindrical connecting portion 123 and the semi-cylindrical top structure 121, it is equal to 1% of the top surface of the connecting portion 123 in the horizontal direction.
  • the /2 circle area provides abutment and support for the diffuser 200.
  • the top structure 121 can also be a column with a diameter smaller than the connecting portion 123, and the bottom of the connecting portion 123 is welded to a truncated table 122, as shown in the bottom structure 122 in FIG. 3, or welded to the gasket, as long as the gasket
  • the area may be larger than the diameter of the column, and the shape of the gasket is not limited.
  • the top structure can also be a square column. As long as the corresponding opening shapes are matched, the size of the top structure can be fitted to the corresponding openings to provide positioning and matching in the horizontal direction. .
  • the supporting structure is a triangular piece.
  • One corner of the triangular piece that is, the top structure 121, fits into the opening 210, and the triangular piece
  • the side of the connecting portion 123 which is the bottom of the connecting portion 123, is welded or attached to the round table 122. Since the size of the connecting portion 123 in the horizontal direction has a length greater than the size of the opening 210, the diffuser plate 200 is provided with abutment and support.
  • the supporting structure is integrally formed.
  • a reflective coating can be applied to the support structure 120, and the surface of the reflective coating is a mirror structure.
  • the supporting structure itself is made of materials with heat dissipation and high reflection.
  • the reflective coating can reflect the light irradiated on the supporting structure 120 toward the diffuser 200, which improves the light utilization rate of the backlight light source.
  • the mirror structure can further improve the reflection effect of the support structure 120.
  • transparent glue can be applied between at least one opening and the corresponding support structure, so that the transparent glue connects the support structure to the diffuser 200 to increase the robustness of the product.
  • transparent glue is applied on the upper surface of the diffuser 200 adjacent to the opening 210 to coat the inner wall of the opening 210, or the upper surface of the diffuser 200 can be coated with transparent glue on the entire surface.
  • transparent glue is applied to the top structure 121 of the support structure 120 and then nested in the opening 210.
  • the opening of the diffuser plate 200 is, for example, circular, with a circular diameter less than 15 millimeters (mm); preferably, the circular diameter ranges from 5 to 8 mm.
  • the light board 100 may be formed by splicing multiple light bars, and the multiple supporting structures 120 are respectively arranged above the joint 101 where adjacent light bars are joined.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Planar Illumination Modules (AREA)
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Abstract

一种背光结构和显示面板，背光结构包括灯板（100），扩散板（200），以及多个支撑结构（120），多个支撑结构（120）间隔设置于灯板（100）与扩散板（200）之间，支撑结构（120）包括顶端结构（121）、底部结构（122），以及连接于顶端结构（121）与底部结构（122）之间的连接部（123）；扩散板（200）具有多个开孔（210），至少一开孔（210）与支撑结构（120）相抵靠。

Description

背光结构和显示面板 技术领域
本申请涉及显示领域，尤其涉及一种背光结构和显示面板。
 背景技术
次毫米发光二极管(Mini-LED)因为尺寸小，用做显示面板的背光源时，可以极大的降低显示面板的尺寸。另一方面，mini-LED因为尺寸小，能够于搭配显示面板进行多个分区的控制，让各别分区可以单独驱动发光。
Mini-LED的尺寸及其节距(pitch)，以及所需混光距离是整机厚度和成本的关键决定参数。在大尺寸产品中，受限于产品薄型化规格以及发光二极管发光特性，当混光距离小于一定距离，例如5毫米(mm)，加上节距也小于一定距离，例如10mm，此时，传统散热支撑件的放置空间受到限制，难以在大尺寸显示面板与Mini-LED之间提供足够的支撑。另一方面，随着分区数增加需求，主动数组式(Active matrix, AM)驱动方式被提出，该方式采用玻璃基板上形成薄膜晶体管(TFT)结构，玻璃基板无法开孔，因此散热支撑件的放置位置以及支撑方式成为大尺寸产品需解决的问题。
 技术问题
次毫米发光二极管(Mini-LED)因为尺寸小，用做显示面板的背光源时，传统散热支撑件的放置空间受到限制，因此散热支撑件的放置位置以及支撑方式成为大尺寸产品需解决的问题。
 技术解决方案
在次毫米发光二极管(Mini-LED)应用于大尺寸背光源中，为了确保混光距离维持在符合大尺寸显示面板的需求，同时解决薄型化造成的空间小、难以放置支撑件的问题，本申请提供了一种背光结构。所述背光结构包括：灯板，所述灯板包括多个次毫米发光二极管设置在基板上；扩散板，所述扩散板位于所述灯板上方，所述扩散板具有相对设置的上表面与下表面，所述下表面面向所述灯板；以及多个支撑结构，所述多个支撑结构间隔设置于所述灯板与所述扩散板之间，所述支撑结构包括顶端结构、底部结构，以及连接于顶端结构与底部结构之间的连接部；其中，所述扩散板具有多个开孔，所述多个开孔与所述多个支撑结构一对一设置，至少一所述开孔与对应的所述支撑结构抵靠在所述支撑结构的所述顶端结构与所述连接部的交界处，其中，所述连接部的尺寸大于所述至少一所述开孔的尺寸。
于一实施例中，所述多个支撑结构至少其中之一的所述顶端结构为半圆柱体、柱状体或方形柱，所述顶端结构与所述扩散板对应的所述开孔形状相同。
于一实施例中，所述多个开孔为圆形，其直径小于15毫米。
于一实施例中，所述多个开孔的直径范围为5-8毫米。
于一实施例中，所述多个支撑结构至少其中之一的所述连接部为柱状或锥形体。
于一实施例中，所述多个支撑结构至少其中之一为三角片，所述三角片的所述顶端结构套合于所述开孔，所述三角片的一边贴合于圆台。
于一实施例中，所述灯板由多个灯条拼接设置而成，所述多个支撑结构分别设置在相邻所述多个灯条拼接的连接处上方。
于一实施例中，所述多个支撑结构至少其中之一具有反射涂层，所述反射涂层的表面为镜面结构。
于一实施例中，更包括透明胶水涂覆在至少一所述多个开孔与至少一所述多个支撑结构之间，所述透明胶水将所述支撑结构连接至所述扩散板。
本申请更提供一种显示面板，所述显示面板包括背光结构，所述背光结构包括：
灯板，所述灯板包括多个次毫米发光二极管设置在基板上；
扩散板，所述扩散板位于所述灯板上方，所述扩散板具有相对设置的上表面与下表面，所述下表面面向所述灯板；以及
多个支撑结构，所述多个支撑结构间隔设置于所述灯板与所述扩散板之间，所述支撑结构包括顶端结构、底部结构，以及连接于顶端结构与底部结构之间的连接部；
其中，所述扩散板具有多个开孔，所述多个开孔与所述多个支撑结构一对一设置，至少一所述开孔与对应的所述支撑结构抵靠在所述支撑结构的所述顶端结构与所述连接部的交界处，其中，所述连接部的尺寸大于所述至少一所述开孔的尺寸。
于一实施例中，所述多个支撑结构至少其中之一的所述顶端结构为半圆柱体、柱状体或方形柱，所述顶端结构与所述扩散板对应的所述开孔形状相同。
于一实施例中，所述多个开孔为圆形，其直径小于15毫米。
于一实施例中，所述多个开孔的直径范围为5-8毫米。
于一实施例中，所述多个支撑结构至少其中之一的所述连接部为柱状或锥形体。
于一实施例中，所述多个支撑结构至少其中之一为三角片，所述三角片的所述顶端结构套合于所述开孔，所述三角片的一边贴合于圆台。
于一实施例中，所述灯板由多个灯条拼接设置而成，所述多个支撑结构分别设置在相邻所述多个灯条拼接的连接处上方。
于一实施例中，所述多个支撑结构至少其中之一具有反射涂层，所述反射涂层的表面为镜面结构。
于一实施例中，更包括透明胶水涂覆在至少一所述多个开孔与至少一所述多个支撑结构之间，所述透明胶水将所述支撑结构连接至所述扩散板。
本申请更提供一种背光结构，包括：
灯板，所述灯板包括多个次毫米发光二极管设置在基板上；
扩散板，所述扩散板位于所述灯板上方，所述扩散板具有相对设置的上表面与下表面，所述下表面面向所述灯板；以及
多个支撑结构，所述多个支撑结构间隔设置于所述灯板与所述扩散板之间，所述支撑结构包括顶端结构、底部结构，以及连接于顶端结构与底部结构之间的连接部；
其中，所述扩散板具有多个开孔，所述多个开孔与所述多个支撑结构一对一设置，至少一所述开孔与对应的所述支撑结构抵靠在所述支撑结构的所述顶端结构与所述连接部的交界处；所述连接部的尺寸大于所述至少一所述开孔的尺寸；以及所述灯板由多个灯条拼接设置而成，所述多个支撑结构分别设置在相邻所述多个灯条拼接的连接处上方。
于一实施例中，所述多个支撑结构至少其中之一的所述顶端结构为半圆柱体、柱状体或方形柱，所述顶端结构与所述扩散板对应的所述开孔形状相同。
 有益效果
相较于现有技术，本申请提供的背光结构和显示面板，透过背光结构中的扩散板具有多个开孔，至少一开孔与支撑结构相抵靠，可以让混光距离符合产品规格，同时解决薄型化造成的空间小、难以放置支撑件的问题。
 附图说明
为了更清楚地说明实施例或本提案中的技术方案，下面将对实施例或本提案技术描述中所需要使用的附图作简单介绍，显而易见地，下面描述中的附图仅仅是本提案的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的背光结构示意图；
图2为本发明实施例提供的支撑结构示意图；
图3为本发明实施例提供的另一种支撑结构示意图；以及
图4为本发明实施例提供的又一种支撑结构示意图。
 本发明的最佳实施方式
以下各实施例的说明是参考附加的图示，用以例示本申请可用以实施的特定实施例。本申请所提到的方向用语，例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本申请，而非用以限制本申请。在图中，结构相似的单元是用以相同标号表示。
本申请提供了一种背光结构，透过背光结构中的扩散板具有多个开孔，至少一开孔与支撑结构相抵靠，可以让混光距离符合产品规格，同时解决薄型化造成的空间小、难以放置支撑件的问题。
参见图1，图1为本发明实施例提供的背光结构示意图，所述背光结构包括灯板100，扩散板200位于灯板100上方，灯板100包括多个次毫米发光二极管设置在基板110上，以及，多个支撑结构120间隔设置于灯板100与扩散板200之间，支撑结构120包括顶端结构121、底部结构122，以及连接于顶端结构121与底部结构122之间的连接部123。其中，扩散板200具有多个开孔210，至少一个开孔210与其中一个支撑结构抵靠在顶端结构121与连接部123的交界处，其中，所述连接部123的尺寸大于所述至少一个开孔210的尺寸。具体地，扩散板具有相对设置的上表面与下表面，下表面面向灯板100。
背光结构中的多个支撑结构120可以是柱状、锥形体、三角片，或是任何其它形状的搭配组合，也就是说，背光结构中的多个支撑结构120可以由多种形状结构的支撑结构120组成，只要个别支撑结构120可以套合于对应的扩散板200的开孔210、提供支撑，达到定位及维持混光距离符合产品规格即可。本申请不限制支撑结构120的形状。
请参见图1与图2，图2为本发明实施例提供的支撑结构示意图。如图2所示，支撑结构120的顶端结构121为圆柱体，底部结构122是锥柱体，连接部123也是锥柱体，连接部123的顶端截面积与形状等于顶端结构121圆柱体的截面积与形状，连接部123的底部截面积与形状等于底部结构122的顶端的截面积与形状，其中，顶端结构121与扩散板200对应位置的开孔210的形状相同，顶端结构121可套设于对应的开孔中，由于连接部123锥柱体的尺寸大于开孔210尺寸，因此对扩散板200提供了抵靠与支撑。
在另一实施例中，请参见图1与图3，图3为本发明实施例提供的又一种支撑结构示意图。如图3所示，支撑结构120的顶端结构121为半圆柱体，底部结构122是圆台，连接部123是圆柱体，连接部123的圆柱直径等于顶端结构121半圆柱体的直径，半圆柱体的顶端结构121套设于对应的开孔210中，由于圆柱体的连接部123与半圆柱体的顶端结构121之间具有截面积的差异，等于在水平方向上，连接部123顶面的1/2圆面积提供了扩散板200抵靠与支撑。实际运用上，顶端结构121也可以是直径小于连接部123的柱状体，连接部123的底部焊接到一圆台122，如图3所示之底部结构122，或者是焊接于衬垫，只要衬垫面积大于柱状直径即可，不限定衬垫形状。再者，顶端结构除了上述的半圆柱体、柱状体，也可以是方形柱，只要对应的开孔形状相配合，顶端结构的尺寸可以套合于对应的开孔，提供水平方向上的定位配合。
图4为本发明实施例提供的另一种支撑结构示意图，如图4所示，支撑结构为三角片，所述三角片的一角，也就是顶端结构121，套合于开孔210，三角片的一边，也就是连接部123的底部，透过焊接或贴合于圆台122，由于连接部123的尺寸在水平方向上具有大于开孔210尺寸的长度，因此对扩散板200提供了抵靠与支撑。优选地，支撑结构是一体成形。
其中，更可在支撑结构120涂覆反射涂层，且反射涂层的表面为镜面结构。或者支撑结构本身即由具有散热及高反射的材质制作而成。反射涂层能够将照射到所述支撑结构120上的光线反射向扩散板200，提高了背光光源的光线利用率。镜面结构能够进一步提高支撑结构120的反射效果。
实际运用本申请方案时，可以依产品需求，涂覆透明胶水在至少一个开孔与对应的支撑结构之间，让透明胶水将支撑结构连接至扩散板200，以增加产品的坚固性。具体地，在扩散板200的上表面邻近开孔210的地方进行涂覆透明胶水，使其涂覆于开孔210内壁，也可以是在扩散板200的上表面全面涂覆透明胶水。或者是涂覆透明胶水在支撑结构120的顶端结构121再进行套合于开孔210中。
在一实施例中，扩散板200的开孔例如是圆形，圆形直径小于15毫米(mm)；优选地，圆形直径范围为5-8mm。
在一实施例中，灯板100可以由多个灯条拼接设置而成，多个支撑结构120分别设置在相邻灯条拼接的连接处101上方。
综上所述，虽然本申请已以优选实施例揭露如上，但上述优选实施例并非用以限制本申请，本领域的普通技术人员，在不脱离本申请的精神和范围内，均可作各种更动与润饰，因此本申请的保护范围以权利要求界定的范围为准。

Claims (20)

  1. 一种背光结构，包括：
    灯板，所述灯板包括多个次毫米发光二极管设置在基板上；
    扩散板，所述扩散板位于所述灯板上方，所述扩散板具有相对设置的上表面与下表面，所述下表面面向所述灯板；以及
    多个支撑结构，所述多个支撑结构间隔设置于所述灯板与所述扩散板之间，所述支撑结构包括顶端结构、底部结构，以及连接于顶端结构与底部结构之间的连接部；
    其中，所述扩散板具有多个开孔，所述多个开孔与所述多个支撑结构一对一设置，至少一所述开孔与对应的所述支撑结构抵靠在所述支撑结构的所述顶端结构与所述连接部的交界处，其中，所述连接部的尺寸大于所述至少一所述开孔的尺寸。
  2. 根据权利要求1所述的背光结构，其中，所述多个支撑结构至少其中之一的所述顶端结构为半圆柱体、柱状体或方形柱，所述顶端结构与所述扩散板对应的所述开孔形状相同。
  3. 根据权利要求2所述的背光结构，其中，所述多个开孔为圆形，其直径小于15毫米。
  4. 根据权利要求3所述的背光结构，其中，所述多个开孔的直径范围为5-8毫米。
  5. 根据权利要求1所述的背光结构，其中，所述多个支撑结构至少其中之一的所述连接部为柱状或锥形体。
  6. 根据权利要求1所述的背光结构，其中，所述多个支撑结构至少其中之一为三角片，所述三角片的所述顶端结构套合于所述开孔，所述三角片的一边贴合于圆台。
  7. 根据权利要求1所述的背光结构，其中，所述灯板由多个灯条拼接设置而成，所述多个支撑结构分别设置在相邻所述多个灯条拼接的连接处上方。
  8. 根据权利要求1所述的背光结构，其中，所述多个支撑结构至少其中之一具有反射涂层，所述反射涂层的表面为镜面结构。
  9. 根据权利要求1所述的背光结构，其中，更包括透明胶水涂覆在至少一所述多个开孔与至少一所述多个支撑结构之间，所述透明胶水将所述支撑结构连接至所述扩散板。
  10. 一种显示面板，所述显示面板包括背光结构，其中，所述背光结构包括：
    灯板，所述灯板包括多个次毫米发光二极管设置在基板上；
    扩散板，所述扩散板位于所述灯板上方，所述扩散板具有相对设置的上表面与下表面，所述下表面面向所述灯板；以及
    多个支撑结构，所述多个支撑结构间隔设置于所述灯板与所述扩散板之间，所述支撑结构包括顶端结构、底部结构，以及连接于顶端结构与底部结构之间的连接部；
    其中，所述扩散板具有多个开孔，所述多个开孔与所述多个支撑结构一对一设置，至少一所述开孔与对应的所述支撑结构抵靠在所述支撑结构的所述顶端结构与所述连接部的交界处，其中，所述连接部的尺寸大于所述至少一所述开孔的尺寸。
  11. 根据权利要求10所述的显示面板，其中，所述多个支撑结构至少其中之一的所述顶端结构为半圆柱体、柱状体或方形柱，所述顶端结构与所述扩散板对应的所述开孔形状相同。
  12. 根据权利要求11所述的显示面板，其中，所述多个开孔为圆形，其直径小于15毫米。
  13. 根据权利要求12所述的显示面板，其中，所述多个开孔的直径范围为5-8毫米。
  14. 根据权利要求10所述的显示面板，其中，所述多个支撑结构至少其中之一的所述连接部为柱状或锥形体。
  15. 根据权利要求10所述的显示面板，其中，所述多个支撑结构至少其中之一为三角片，所述三角片的所述顶端结构套合于所述开孔，所述三角片的一边贴合于圆台。
  16. 根据权利要求10所述的显示面板，其中，所述灯板由多个灯条拼接设置而成，所述多个支撑结构分别设置在相邻所述多个灯条拼接的连接处上方。
  17. 根据权利要求10所述的显示面板，其中，所述多个支撑结构至少其中之一具有反射涂层，所述反射涂层的表面为镜面结构。
  18. 根据权利要求10所述的显示面板，其中，更包括透明胶水涂覆在至少一所述多个开孔与至少一所述多个支撑结构之间，所述透明胶水将所述支撑结构连接至所述扩散板。
  19. 一种背光结构，包括：
    灯板，所述灯板包括多个次毫米发光二极管设置在基板上；
    扩散板，所述扩散板位于所述灯板上方，所述扩散板具有相对设置的上表面与下表面，所述下表面面向所述灯板；以及
    多个支撑结构，所述多个支撑结构间隔设置于所述灯板与所述扩散板之间，所述支撑结构包括顶端结构、底部结构，以及连接于顶端结构与底部结构之间的连接部；
    其中，所述扩散板具有多个开孔，所述多个开孔与所述多个支撑结构一对一设置，至少一所述开孔与对应的所述支撑结构抵靠在所述支撑结构的所述顶端结构与所述连接部的交界处；所述连接部的尺寸大于所述至少一所述开孔的尺寸；以及所述灯板由多个灯条拼接设置而成，所述多个支撑结构分别设置在相邻所述多个灯条拼接的连接处上方。
  20. 根据权利要求19所述的背光结构，其中，所述多个支撑结构至少其中之一的所述顶端结构为半圆柱体、柱状体或方形柱，所述顶端结构与所述扩散板对应的所述开孔形状相同。
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