WO2020207102A1 - 一种面光源器件及其制备方法、显示装置 - Google Patents

一种面光源器件及其制备方法、显示装置 Download PDF

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Publication number
WO2020207102A1
WO2020207102A1 PCT/CN2020/073521 CN2020073521W WO2020207102A1 WO 2020207102 A1 WO2020207102 A1 WO 2020207102A1 CN 2020073521 W CN2020073521 W CN 2020073521W WO 2020207102 A1 WO2020207102 A1 WO 2020207102A1
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Prior art keywords
layer
light source
opening
source device
pcb
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French (fr)
Inventor
熊充
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Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
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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
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • 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
    • G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light

Definitions

  • the invention relates to the field of display technology, in particular to a surface light source device, a preparation method thereof, and a display device.
  • liquid crystal display is a passive light-emitting element.
  • the display itself does not emit light, but is illuminated by the backlight below it.
  • the backlight source and the liquid crystal display are combined to form a liquid crystal display module.
  • the so-called BackLight is a light source located behind the liquid crystal display (LCD), and its luminous effect will directly affect the visual effect of the liquid crystal display module (LCM).
  • the backlight source is mainly composed of a light source, a light guide plate, an optical film, and a plastic frame.
  • the backlight has the characteristics of high brightness, long life and uniform light emission. According to different light source distribution positions, it is divided into direct-lit backlight and edge-lit backlight.
  • the direct type backlight is to place the light source (LED chip array) and the printed circuit board at the bottom of the backlight. After the light is emitted from the LED, it passes through the bottom reflector, and then passes through the diffuser and brightness enhancement film on the surface evenly.
  • the edge-lit backlight is a backlight made by placing a linear or point light source on the side of a specially designed light guide plate.
  • the principle of the light guide plate is to use the dot distribution at the bottom of the light guide acrylic plate to destroy the interference phenomenon of light, and evenly convert the line light source into a surface light source. Its role is to guide the scattering direction of the light and make the light distribution more uniform so that it cannot be seen from the front.
  • the shadow to the reflection point is used to improve the brightness of the panel and to ensure the uniformity of the panel brightness.
  • the excellent light guide plate has a great influence on the backlight.
  • the LCD backlight is a flat, uniform lighting device.
  • the cold cathode fluorescent tubes or LED strips as the light source are arranged on both sides or one side of the entire backlight (it may be the long side or the short side).
  • the cold cathode tube is a linear light source, and the LED is a point light source.
  • a light guide plate is needed to convert this light source into a surface light source.
  • the light guide plate is generally made of acrylic plastic with high light transmittance, and the surface is very smooth and flat, so that most of the internal light will be regularly reflected on the flat surface and will not be emitted to the outside of the light guide plate.
  • White dots are printed on the bottom of the light guide plate of the liquid crystal display.
  • the light guide plate At the position where the light guide plate is printed with dots, the light will no longer be totally reflected regularly but will be emitted above the light guide plate. Controlling the density of dots at each position can control how much light the light guide plate emits at this position. Precisely designed light guide plate dots can spread the incident light on both sides evenly on the entire plane. Optical films will be placed above the light guide plate. These films can uniform light and gather large-angle light for frontal observation.
  • Mini-LEDs are used in TV backlights.
  • a common solution is to print blue mini-LEDs on the PCB to form an LED array, and then place an optical diffusion film and a wavelength conversion material film above the LEDs to produce uniform white light.
  • Surface light source Due to the limitation of the LED printing machine, the size of the PCB cannot be very large, so multiple PCBs need to be spliced into a large light emitting surface light source. This will cause two problems. One is that the slits at the PCB splicing place will bring about taste problems such as dark lines, and the other is that the inconsistency of the ink reflectivity and color difference of each PCB will cause blocky mosaics with uneven brightness.
  • the wavelength conversion material film above the LED also has the problems of thick thickness and high cost, which is not conducive to the design requirements of thinning. Therefore, it is necessary to find a new type of surface light source device to solve the above problems.
  • the present invention sets out to solve the problem and also proposes a thin design of the QD solution.
  • An object of the present invention is to provide a surface light source device, a preparation method thereof, and a display device, which can solve the optical taste problems such as mosaic phenomenon caused by PCB ink differences in the current surface light source device and dark lines caused by splicing slits.
  • an embodiment of the present invention provides a surface light source device, which includes: a substrate, a reflective layer, a photoresist layer, a QD layer, an encapsulation layer, and a PCB module.
  • the reflective layer is arranged on the substrate at intervals, wherein a first opening is formed between two adjacent reflective layers; the photoresist layer is correspondingly arranged on the reflective layer, and two adjacent photoresist layers A second opening is formed between the second opening, and the second opening is provided corresponding to the first opening; the QD layer is provided in the first opening between the reflective layers; the encapsulation layer is provided on the photoresist layer And the second opening;
  • the PCB module includes: a PCB and an LED, the PCB is arranged on the encapsulation layer, the LEDs are arranged at intervals on the surface of the PCB facing the encapsulation layer, wherein each The setting position of the LED downward corresponds to the position of the QD layer.
  • the reflective layer is a metal reflective layer.
  • constituent material of the metal reflective layer includes one or more of aluminum, silver and titanium.
  • the PCB module includes two or more than two.
  • the position of the splicing seam between two adjacent PCB modules corresponds to the position of the reflective layer.
  • Another embodiment of the present invention also provides a method for preparing the surface light source device of the present invention, which includes the following steps:
  • the preparation method of the surface light source device further includes: S7, immersing the LED in the encapsulation layer for lighting, detecting and adjusting the position of the LED to correspond to the position of the QD layer by a CCD camera.
  • the reflective layer is prepared by sputtering or deposition.
  • the LED is arranged on the PCB by welding.
  • Another embodiment of the present invention also provides a display device, which includes the surface light source device related to the present invention.
  • the present invention relates to a surface light source device, a preparation method thereof, and a display device.
  • the splicing seam between PCB modules and the PCB correspond to the reflective layer.
  • the position is set, the blue light emitted by the LED is converted into white light after QD.
  • the white light is reflected by the optical scattering material and no longer passes through the PCB ink and slits, but is directly reflected by the reflective layer.
  • the QD layer is encapsulated in the opening area of the reflective layer, which is conducive to the realization of a thin white surface with high color gamut light source.
  • Fig. 1 is a schematic structural diagram of Embodiment 1 of a surface light source device of the present invention.
  • Fig. 2 is a working schematic diagram of Embodiment 2 of the surface light source device of the present invention.
  • Embodiment 3 is a schematic diagram of the first preparation of Embodiment 1 of the surface light source device of the present invention.
  • FIG. 4 is a schematic diagram of the second preparation of Embodiment 1 of the surface light source device of the present invention.
  • FIG. 5 is a schematic diagram of the third preparation of Embodiment 1 of the surface light source device of the present invention.
  • Fig. 6 is a fourth schematic diagram of the preparation of Embodiment 1 of the surface light source device of the present invention.
  • FIG. 7 is a fifth schematic diagram of the preparation of Embodiment 1 of the surface light source device of the present invention.
  • FIG. 8 is a schematic diagram of the sixth preparation of Embodiment 1 of the surface light source device of the present invention.
  • the component can be directly placed on the other component; there may also be an intermediate component on which the component is placed , And the intermediate component is placed on another component.
  • a component is described as “installed to” or “connected to” another component, both can be understood as directly “installed” or “connected”, or a component is “installed to” or “connected to” through an intermediate component Another component.
  • a surface light source device 100 includes: a substrate 1, a reflective layer 2, a photoresist layer 3, a QD layer 4, an encapsulation layer 5, and a PCB module 6.
  • the reflective layer 2 is arranged on the substrate 1 at intervals, and a first opening is formed between two adjacent reflective layers 2; the reflective layer 2 is a metal reflective layer, specifically, wherein The constituent materials of the metal reflective layer include one or more of aluminum, silver and titanium.
  • the reflective layer 2 thus made can avoid light penetration, has a good light reflection effect, and is beneficial to realize light diffusion, thereby forming a surface light source.
  • the photoresist layer 3 is correspondingly disposed on the reflective layer 2, and a second opening is formed between two adjacent photoresist layers 3, and the second opening corresponds to the first
  • the opening is provided; the QD layer 4 is provided in the first opening between the reflective layers 2; thereby, it is beneficial to realize a thin white surface light source with a high color gamut.
  • the packaging layer 5 is disposed on the photoresist layer 3 and the second opening;
  • the PCB module 6 includes: a PCB 61 and an LED 62, and the PCB 61 is disposed on the package On layer 3, the LED 62 corresponding to the QD layer 4 is arranged on the surface of the PCB 61 facing the packaging layer 5.
  • the PCB 61 can be covered by the reflective layer 2.
  • the blue light emitted by the LED 62 is converted into white light after passing through the QD layer 4, the white light will not pass through the PCB after being reflected by the optical scattering material.
  • 61 ink and slits, but directly reflected by the reflective layer 2 to form a white surface light source, avoiding the PCB 61's ink reflectivity and chromatic aberration are inconsistent, resulting in blocky uneven brightness mosaic phenomenon.
  • the PCB module 6 includes two numbers.
  • the position of the splicing seam between two adjacent PCB modules 6 corresponds to the position of the reflective layer 2.
  • the splicing seams between the PCB modules 6 and the PCB 61 can be covered by the reflective layer 2.
  • the blue light emitted by the LED 62 passes through the QD layer 4, it is converted into white light, and the white light is reflected back by the optical scattering material and no longer passes through the PCB 61
  • the ink and the slit are directly reflected by the reflective layer 2 to form a white surface light source, which avoids the mosaic phenomenon of blocky uneven brightness caused by inconsistent ink reflectivity and color difference of the PCB 61.
  • this embodiment also provides a method for manufacturing a surface light source device, which includes: S1, providing a substrate 1, and forming a reflective layer on the substrate 1 through a sputtering or deposition process 2; S2, patterning the reflective layer 2 through a photomask and etching process to form a first opening between two adjacent reflective layers 2 to obtain reflective layers 2 arranged at intervals; S3, in The reflective layer 2 and the first opening are coated with photoresist, and the photoresist is exposed to UV light 7 from the back of the substrate 1, and a setting corresponding to the first opening is formed between two adjacent photoresist layers 3 S4, spray QD solution in the first openings between the reflective layers 2 to form a photoresist layer 3 correspondingly disposed on the reflective layer 2; after curing, obtain a QD layer 4 S5, apply glue on the QD layer 4 and the photoresist layer 3 to form an encapsulation layer 5; S6, at a position corresponding to the QD layer 4 on the surface of
  • the preparation method of the surface light source device further includes: S7, immersing the LED 62 in the encapsulation layer 5 for lighting, and detecting and adjusting the position of the LED 62 by the CCD camera 8.
  • the position of layer 4 corresponds.
  • Another embodiment of the present invention also provides a display device, which includes the surface light source device related to the present invention.

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

Abstract

本发明涉及一种面光源器件及其制备方法、显示装置。其中面光源器件包括：基板、反射层、光刻胶层、QD层、封装层以及PCB模块。一方面，通过LED与反射层的开口以及QD层的耦合，将PCB模块之间的拼接缝及PCB对应于所述反射层的位置设置，LED发出的蓝光经过QD后转化为白光，白光被光学散射材料反射回来后不再经过PCB油墨和狭缝，而是直接经反射层反射出去。由此可以避免PCB的油墨反射率和色差不一致导致的块状的亮度不均的马赛克现象；另一方面，把QD层封装于反射层的开口区域，有利于实现薄型化高色域的白光面光源。

Description

一种面光源器件及其制备方法、显示装置
本申请要求于2019年04月09日提交中国专利局、申请号为201910281844.0、发明名称为“一种面光源器件及其制备方法、显示装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及显示技术领域，具体涉及一种面光源器件及其制备方法、显示装置。
 背景技术
随着液晶显示技术的不断发展，液晶显示器特别是彩色液晶显示器的应用领域也在不断拓宽。受液晶显示器的市场拉动，背光源产业，呈现一派繁荣景象。液晶显示是被动发光元件，显示屏本身并不发光，而是由其下方的背光源照亮的。背光源和液晶显示屏组合在一起构成了液晶显示模块。
所谓背光源（BackLight）是位于液晶显示器（LCD）背后的一种光源，它的发光效果将直接影响到液晶显示模块（LCM）视觉效果。背光源主要由光源、导光板、光学用膜片、塑胶框等组成。背光源具有亮度高，寿命长、发光均匀等特点。依光源分布位置不同则分为直下式背光源和侧光式背光源。
直下式背光源是将光源(LED晶片阵列)及印刷电路板置于背光源底部，光线从LED射出后，通过底部的反射片，再通过表面的扩散板、增亮膜均匀地射出。
侧光式背光源是将线形或点状光源设置在经过特殊设计的导光板的侧边做成的背光源。导光板原理是利用导光压克力板底的网点分布破坏光的干涉现象，将线光源均匀转换成面光源，其作用在于引导光的散射方向，让光的分布更加均匀使从正面看不到反射点的影子，用来提高面板的亮度，并确保面板亮度的均匀性，其中导光板的优良对背光影响甚大。
液晶背光是一个平面的均匀照明装置，作为光源的冷阴极荧光灯管或LED灯条排列在整个背光源的两边或一边（可能是长边，也可能是短边）。冷阴极灯管是线光源，LED是点光源，把此光源转换为面光源需要使用导光板。导光板一般由高透光率的亚克力塑料制成，表面非常光滑平整，以致于大部分内部光线会在其平整表面上规则的全反射，而不会射出到导光板外部。液晶显示器的导光板的底部印有白色的网点。在导光板印有网点的位置上，光线不再规则的全反射而是会向导光板上方射出。控制每个位置网点的密度就可以控制导光板在这个位置射出光线的多少。精密设计的导光板网点可以让两侧入射的光线均匀的铺散在整个平面上。导光板上方会再放置光学膜片，这些膜片起到均匀光线，并且汇聚大角度光供正面观察等作用。
 技术问题
目前Mini-LED被用于TV背光中，常见的方案是把蓝光mini-LED打件在PCB上，形成LED阵列，然后在LED上方放置光学扩散膜片和波长转换材料膜片以产生均匀的白光面光源。由于LED打件机台的限制，PCB的尺寸不能做到很大，因此需要多块PCB拼接成一块大的发光面光源。这样就会产生两个问题，一是PCB拼接处的狭缝会带来暗线等品味问题，二是每块PCB的油墨反射率和色差不一致会导致块状的亮度不均的马赛克现象。LED上方的波长转换材料膜片也存在厚度较厚，成本高的问题，不利于薄型化的设计需求。因此需要寻求一种新型的面光源器件已解决上述问题。本发明着手解决，还提出了QD方案的薄型化设计。
 技术解决方案
本发明的一个目的是提供一种面光源器件及其制备方法、显示装置，其能够解决目前的面光源器件中存在的PCB油墨差异导致的马赛克现象和拼接狭缝导致的暗线等光学品味问题。
为了解决上述问题，本发明的一个实施方式提供了一种面光源器件，其中包括：基板、反射层、光刻胶层、QD层、封装层以及PCB模块。其中所述反射层间隔设置于所述基板上，其中相邻两反射层之间形成有第一开口；所述光刻胶层对应设置于所述反射层上，且相邻两光刻胶层间形成有第二开口，所述第二开口对应所述第一开口设置；所述QD层设置于所述反射层之间的第一开口中；所述封装层设置于所述光刻胶层及所述第二开口中；所述PCB模块包括：PCB和 LED，所述PCB设置于所述封装层上，所述LED间隔设置于所述PCB朝向所述封装层的表面上，其中每一LED的设置位置向下对应所述QD层的位置。
进一步地，其中所述反射层为金属反射层。
进一步地，其中所述金属反射层的组成材料包括铝、银以及钛中的一种或多种。
进一步地，其中所述PCB模块包括2个或2个以上的数量。
进一步地，其中相邻两所述PCB模块之间的拼接缝位置对应于所述反射层的位置设置。
本发明的另一个实施方式还提供了一种本发明涉及的所述面光源器件的制备方法，其中包括以下步骤：
S1，提供一基板，在所述基板上形成一层反射层；
S2，利用光罩及蚀刻工艺，对所述反射层进行图案化处理，在相邻两所述反射层之间形成第一开口，从而得到间隔设置于所述基板上的反射层；
S3，在所述反射层及所述第一开口上涂覆光刻胶，并从基板背面对光刻胶进行UV曝光，在相邻两光刻胶层间形成对应于第一开口设置的第二开口，从而形成对应设置于所述反射层上的光刻胶层；
S4，在所述反射层之间的第一开口中喷涂QD溶液，经过固化处理，得到QD层；
S5，在所述第二开口以及所述光刻胶层上涂覆胶水，形成封装层；
S6，在PCB朝向所述封装层的表面上对应于所述QD层的位置处设置LED，然后将带有LED的PCB模块设置于所述封装层上。
进一步地，其中所述面光源器件的制备方法还包括：S7，将所述LED浸入所述封装层中的点亮，通过CCD相机检测并调节LED的位置使其与QD层的位置对应。
进一步地，其中所述反射层通过溅射或沉积制备。
进一步地，其中所述LED通过焊接设置于所述PCB上。
本发明的另一个实施方式还提供了一种显示装置，其中包括本发明涉及的所述面光源器件。
 有益效果
本发明涉及一种面光源器件及其制备方法、显示装置，一方面，通过LED与反射层的开口以及QD层的耦合，将PCB模块之间的拼接缝及PCB对应于所述反射层的位置设置，LED发出的蓝光经过QD后转化为白光，白光被光学散射材料反射回来后不再经过PCB油墨和狭缝，而是直接经反射层反射出去。由此可以避免PCB的油墨反射率和色差不一致导致的块状的亮度不均的马赛克现象；另一方面，把QD层封装于反射层的开口区域，有利于实现薄型化高色域的白光面光源。
 附图说明
为了更清楚地说明本发明实施例中的技术方案，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发明的一些实施例，对于本领域技术人员来讲，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是本发明面光源器件实施例1的结构示意图。
图2是本发明面光源器件实施例2的工作示意图。
图3是本发明面光源器件实施例1的第一制备示意图。
图4是本发明面光源器件实施例1的第二制备示意图。
图5是本发明面光源器件实施例1的第三制备示意图。
图6是本发明面光源器件实施例1的第四制备示意图。
图7是本发明面光源器件实施例1的第五制备示意图。
图8是本发明面光源器件实施例1的第六制备示意图。
图中部件标识如下：
100、面光源器件
1、基板                        2、反射层
3、光刻胶层                    4、QD层
5、封装层                      6、PCB模块
61、PCB                        62、LED
7、UV光                        8、CCD相机。
 本发明的实施方式
以下结合说明书附图详细说明本发明的优选实施例，以向本领域中的技术人员完整介绍本发明的技术内容，以举例证明本发明可以实施，使得本发明公开的技术内容更加清楚，使得本领域的技术人员更容易理解如何实施本发明。然而本发明可以通过许多不同形式的实施例来得以体现，本发明的保护范围并非仅限于文中提到的实施例，下文实施例的说明并非用来限制本发明的范围。
本发明所提到的方向用语，例如「上」、「下」、「前」、「后」、「左」、「右」、「内」、「外」、「侧面」等，仅是附图中的方向，本文所使用的方向用语是用来解释和说明本发明，而不是用来限定本发明的保护范围。
在附图中，结构相同的部件以相同数字标号表示，各处结构或功能相似的组件以相似数字标号表示。此外，为了便于理解和描述，附图所示的每一组件的尺寸和厚度是任意示出的 ，本发明并没有限定每个组件的尺寸和厚度。
当某些组件，被描述为“在”另一组件“上”时，所述组件可以直接置于所述另一组件上；也可以存在一中间组件，所述组件置于所述中间组件上，且所述中间组件置于另一组件上。当一个组件被描述为“安装至”或“连接至”另一组件时，二者可以理解为直接“安装”或“连接”，或者一个组件通过一中间组件“安装至”或“连接至”另一个组件。
实施例1
如图1所示，一种面光源器件100，其中包括：基板1、反射层2、光刻胶层3、QD层4、封装层5以及PCB模块6。
如图1所示，其中所述反射层2间隔设置于所述基板1上，其中相邻两反射层2之间形成有第一开口；所述反射层2为金属反射层，具体的，其中所述金属反射层的组成材料包括铝、银以及钛中的一种或多种。由此制成的反射层2可以避免光穿透，光反射效果好，有利于实现光扩散，从而形成面光源。
如图1所示，其中所述光刻胶层3对应设置于所述反射层2上，且相邻两光刻胶层3间形成有第二开口，所述第二开口对应所述第一开口设置；所述QD层4设置于所述反射层2之间的第一开口中；由此有利于实现薄型化高色域的白面光源。
如图1所示，所述封装层5设置于所述光刻胶层3及所述第二开口上；所述PCB模块6包括：PCB 61和 LED 62，所述PCB 61设置于所述封装层3上，所述LED 62对应于所述QD层4设置于所述PCB 61朝向所述封装层5的表面上。由此可以将PCB 61被反射层2覆盖，当LED 62发出的蓝光经过QD层4后转化为白光，白光被光学散射材料反射回来后不再经过PCB 61油墨和狭缝，而是直接经过反射层2反射出去形成白色面光源，避免了PCB 61的油墨反射率和色差不一致导致的块状的亮度不均的马赛克现象。
实施例2
以下仅就本实施例与实施例 1 之间的相异之处进行说明，而其相同之处 则在此不再赘述。
如图2所示，其中所述PCB模块6包括2个数量。其中相邻两所述PCB模块6之间的拼接缝位置对应于所述反射层2的位置设置。由此可以将PCB模块6之间的拼接缝及PCB 61被反射层2覆盖，当LED 62发出的蓝光经过QD层4后转化为白光，白光被光学散射材料反射回来后不再经过PCB 61油墨和狭缝，而是直接经过反射层2反射出去形成白色面光源，避免了PCB 61的油墨反射率和色差不一致导致的块状的亮度不均的马赛克现象。
实施例3
如图3-7所示，本实施例还提供了一种面光源器件的制备方法，其中包括：S1，提供一基板1，通过溅射或沉积工艺在所述基板1上形成一层反射层2；S2，通过光罩及蚀刻工艺，对所述反射层2进行图案化处理，在相邻两所述反射层2之间形成第一开口，从而得到间隔设置的反射层2；S3，在所述反射层2及所述第一开口上涂覆光刻胶，并从基板1背面对光刻胶进行UV光7曝光，在相邻两光刻胶层3间形成对应于第一开口设置的第二开口，从而形成对应设置于所述反射层2上的光刻胶层3；S4，在所述反射层2之间的第一开口中喷涂QD溶液，经过固化处理，得到QD层4；S5，在所述QD层4以及所述光刻胶层3上涂覆胶水，形成封装层5；S6，在PCB 61朝向所述封装层的表面上对应于所述QD层4的位置处设置LED 62，具体的，所述LED 62通过焊接设置于所述PCB 61上，然后将带有LED 62的PCB模块6设置于所述封装层5上。
如图8所示，所述面光源器件的制备方法还包括：S7，将所述LED 62浸入所述封装层5中的点亮，通过CCD相机8检测并调节LED 62的位置使其与QD层4的位置对应。
本发明的另一个实施方式还提供了一种显示装置，其中包括本发明涉及的所述面光源器件。
以上对本发明所提供的面光源器件及其制备方法、显示装置进行了详细介绍。应理解，本文所述的示例性实施方式应仅被认为是描述性的，用于帮助理解本发明的方法及其核心思想，而并不用于限制本发明。在每个示例性实施方式中对特征或方面的描述通常应被视作适用于其他示例性实施例中的类似特征或方面。尽管参考示例性实施例描述了本发明，但可建议所属领域的技术人员进行各种变化和更改。本发明意图涵盖所附权利要求书的范围内的这些变化和更改，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种面光源器件，其中包括：
    基板，
    反射层，所述反射层间隔设置于所述基板上，其中相邻两反射层之间形成有第一开口；
    光刻胶层，所述光刻胶层对应设置于所述反射层上，且相邻两光刻胶层间形成有第二开口，所述第二开口对应所述第一开口设置；
    QD层，所述QD层设置于所述反射层之间的第一开口中；
    封装层，所述封装层设置于所述光刻胶层及所述第二开口中；以及
    PCB模块，所述PCB模块包括：
    PCB，所述PCB设置于所述封装层上，
    LED，所述LED间隔设置于所述PCB朝向所述封装层的表面上，其中每一LED的设置位置向下对应所述QD层的位置。
  2. 根据权利要求1所述的面光源器件，其中所述反射层为金属反射层。
  3. 根据权利要求2所述的面光源器件，其中所述金属反射层的组成材料包括铝、银以及钛中的一种或多种。
  4. 根据权利要求1所述的面光源器件，其中所述PCB模块包括2个或2个以上的数量。
  5. 根据权利要求4所述的面光源器件，其中相邻两所述PCB模块之间的拼接缝位置对应于所述反射层的位置设置。
  6. 一种制备权利要求1所述的面光源器件的制备方法，其中包括：
    S1，提供一基板，在所述基板上形成一层反射层；
    S2，利用光罩及蚀刻工艺，对所述反射层进行图案化处理，在相邻两所述反射层之间形成第一开口，从而得到间隔设置于所述基板上的反射层；
    S3，在所述反射层及所述第一开口上涂覆光刻胶，并从基板背面对光刻胶进行UV曝光，在相邻两光刻胶层间形成对应于第一开口设置的第二开口，从而形成对应设置于所述反射层上的光刻胶层；
    S4，在所述反射层之间的第一开口中喷涂QD溶液，经过固化处理，得到QD层；
    S5，在所述第二开口以及所述光刻胶层上涂覆胶水，形成封装层；
    S6，在PCB朝向所述封装层的表面上对应于所述QD层的位置处设置LED，然后将带有LED的PCB模块设置于所述封装层上。
  7. 根据权利要求6所述的面光源器件的制备方法，其中还包括：
    S7，将所述LED浸入所述封装层中的点亮，通过CCD相机检测并调节LED的位置使其与QD层的位置对应。
  8. 根据权利要求6所述的面光源器件的制备方法，其中所述反射层通过溅射或沉积制备。
  9. 根据权利要求6所述的面光源器件的制备方法，其中所述LED通过焊接设置于所述PCB上。
  10. 一种显示装置，其中包括权利要求1所述的面光源器件。
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